xref: /dpdk/drivers/net/bnx2x/elink.c (revision 089e5ed727a15da2729cfee9b63533dd120bd04c)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright (c) 2007-2013 Broadcom Corporation.
3  *
4  * Eric Davis        <edavis@broadcom.com>
5  * David Christensen <davidch@broadcom.com>
6  * Gary Zambrano     <zambrano@broadcom.com>
7  *
8  * Copyright (c) 2013-2015 Brocade Communications Systems, Inc.
9  * Copyright (c) 2015-2018 Cavium Inc.
10  * All rights reserved.
11  * www.cavium.com
12  */
13 
14 #include "bnx2x.h"
15 #include "elink.h"
16 #include "ecore_mfw_req.h"
17 #include "ecore_fw_defs.h"
18 #include "ecore_hsi.h"
19 #include "ecore_reg.h"
20 
21 
22 #define MDIO_REG_BANK_CL73_IEEEB0			0x0
23 	#define MDIO_CL73_IEEEB0_CL73_AN_CONTROL		0x0
24 		#define MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN	0x0200
25 		#define MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN		0x1000
26 		#define MDIO_CL73_IEEEB0_CL73_AN_CONTROL_MAIN_RST	0x8000
27 
28 #define MDIO_REG_BANK_CL73_IEEEB1			0x10
29 	#define MDIO_CL73_IEEEB1_AN_ADV1			0x00
30 		#define	MDIO_CL73_IEEEB1_AN_ADV1_PAUSE			0x0400
31 		#define	MDIO_CL73_IEEEB1_AN_ADV1_ASYMMETRIC		0x0800
32 		#define	MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH		0x0C00
33 		#define	MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK		0x0C00
34 	#define MDIO_CL73_IEEEB1_AN_ADV2				0x01
35 		#define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M		0x0000
36 		#define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX		0x0020
37 		#define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4		0x0040
38 		#define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR		0x0080
39 	#define	MDIO_CL73_IEEEB1_AN_LP_ADV1			0x03
40 		#define	MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE		0x0400
41 		#define	MDIO_CL73_IEEEB1_AN_LP_ADV1_ASYMMETRIC		0x0800
42 		#define	MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_BOTH		0x0C00
43 		#define	MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK		0x0C00
44 	#define	MDIO_CL73_IEEEB1_AN_LP_ADV2			0x04
45 
46 #define	MDIO_REG_BANK_RX0				0x80b0
47 	#define	MDIO_RX0_RX_STATUS				0x10
48 		#define	MDIO_RX0_RX_STATUS_SIGDET			0x8000
49 		#define	MDIO_RX0_RX_STATUS_RX_SEQ_DONE			0x1000
50 	#define	MDIO_RX0_RX_EQ_BOOST				0x1c
51 		#define	MDIO_RX0_RX_EQ_BOOST_EQUALIZER_CTRL_MASK	0x7
52 		#define	MDIO_RX0_RX_EQ_BOOST_OFFSET_CTRL		0x10
53 
54 #define	MDIO_REG_BANK_RX1				0x80c0
55 	#define	MDIO_RX1_RX_EQ_BOOST				0x1c
56 		#define	MDIO_RX1_RX_EQ_BOOST_EQUALIZER_CTRL_MASK	0x7
57 		#define	MDIO_RX1_RX_EQ_BOOST_OFFSET_CTRL		0x10
58 
59 #define	MDIO_REG_BANK_RX2				0x80d0
60 	#define	MDIO_RX2_RX_EQ_BOOST				0x1c
61 		#define	MDIO_RX2_RX_EQ_BOOST_EQUALIZER_CTRL_MASK	0x7
62 		#define	MDIO_RX2_RX_EQ_BOOST_OFFSET_CTRL		0x10
63 
64 #define	MDIO_REG_BANK_RX3				0x80e0
65 	#define	MDIO_RX3_RX_EQ_BOOST				0x1c
66 		#define	MDIO_RX3_RX_EQ_BOOST_EQUALIZER_CTRL_MASK	0x7
67 		#define	MDIO_RX3_RX_EQ_BOOST_OFFSET_CTRL		0x10
68 
69 #define	MDIO_REG_BANK_RX_ALL				0x80f0
70 	#define	MDIO_RX_ALL_RX_EQ_BOOST				0x1c
71 		#define	MDIO_RX_ALL_RX_EQ_BOOST_EQUALIZER_CTRL_MASK	0x7
72 		#define	MDIO_RX_ALL_RX_EQ_BOOST_OFFSET_CTRL	0x10
73 
74 #define	MDIO_REG_BANK_TX0				0x8060
75 	#define	MDIO_TX0_TX_DRIVER				0x17
76 		#define	MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK		0xf000
77 		#define	MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT		12
78 		#define	MDIO_TX0_TX_DRIVER_IDRIVER_MASK			0x0f00
79 		#define	MDIO_TX0_TX_DRIVER_IDRIVER_SHIFT		8
80 		#define	MDIO_TX0_TX_DRIVER_IPREDRIVER_MASK		0x00f0
81 		#define	MDIO_TX0_TX_DRIVER_IPREDRIVER_SHIFT		4
82 		#define	MDIO_TX0_TX_DRIVER_IFULLSPD_MASK		0x000e
83 		#define	MDIO_TX0_TX_DRIVER_IFULLSPD_SHIFT		1
84 		#define	MDIO_TX0_TX_DRIVER_ICBUF1T			1
85 
86 #define	MDIO_REG_BANK_TX1				0x8070
87 	#define	MDIO_TX1_TX_DRIVER				0x17
88 		#define	MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK		0xf000
89 		#define	MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT		12
90 		#define	MDIO_TX0_TX_DRIVER_IDRIVER_MASK			0x0f00
91 		#define	MDIO_TX0_TX_DRIVER_IDRIVER_SHIFT		8
92 		#define	MDIO_TX0_TX_DRIVER_IPREDRIVER_MASK		0x00f0
93 		#define	MDIO_TX0_TX_DRIVER_IPREDRIVER_SHIFT		4
94 		#define	MDIO_TX0_TX_DRIVER_IFULLSPD_MASK		0x000e
95 		#define	MDIO_TX0_TX_DRIVER_IFULLSPD_SHIFT		1
96 		#define	MDIO_TX0_TX_DRIVER_ICBUF1T			1
97 
98 #define	MDIO_REG_BANK_TX2				0x8080
99 	#define	MDIO_TX2_TX_DRIVER				0x17
100 		#define	MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK		0xf000
101 		#define	MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT		12
102 		#define	MDIO_TX0_TX_DRIVER_IDRIVER_MASK			0x0f00
103 		#define	MDIO_TX0_TX_DRIVER_IDRIVER_SHIFT		8
104 		#define	MDIO_TX0_TX_DRIVER_IPREDRIVER_MASK		0x00f0
105 		#define	MDIO_TX0_TX_DRIVER_IPREDRIVER_SHIFT		4
106 		#define	MDIO_TX0_TX_DRIVER_IFULLSPD_MASK		0x000e
107 		#define	MDIO_TX0_TX_DRIVER_IFULLSPD_SHIFT		1
108 		#define	MDIO_TX0_TX_DRIVER_ICBUF1T			1
109 
110 #define	MDIO_REG_BANK_TX3				0x8090
111 	#define	MDIO_TX3_TX_DRIVER				0x17
112 		#define	MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK		0xf000
113 		#define	MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT		12
114 		#define	MDIO_TX0_TX_DRIVER_IDRIVER_MASK			0x0f00
115 		#define	MDIO_TX0_TX_DRIVER_IDRIVER_SHIFT		8
116 		#define	MDIO_TX0_TX_DRIVER_IPREDRIVER_MASK		0x00f0
117 		#define	MDIO_TX0_TX_DRIVER_IPREDRIVER_SHIFT		4
118 		#define	MDIO_TX0_TX_DRIVER_IFULLSPD_MASK		0x000e
119 		#define	MDIO_TX0_TX_DRIVER_IFULLSPD_SHIFT		1
120 		#define	MDIO_TX0_TX_DRIVER_ICBUF1T			1
121 
122 #define	MDIO_REG_BANK_XGXS_BLOCK0			0x8000
123 	#define	MDIO_BLOCK0_XGXS_CONTROL			0x10
124 
125 #define	MDIO_REG_BANK_XGXS_BLOCK1			0x8010
126 	#define	MDIO_BLOCK1_LANE_CTRL0				0x15
127 	#define	MDIO_BLOCK1_LANE_CTRL1				0x16
128 	#define	MDIO_BLOCK1_LANE_CTRL2				0x17
129 	#define	MDIO_BLOCK1_LANE_PRBS				0x19
130 
131 #define	MDIO_REG_BANK_XGXS_BLOCK2			0x8100
132 	#define	MDIO_XGXS_BLOCK2_RX_LN_SWAP			0x10
133 		#define	MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE		0x8000
134 		#define	MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE	0x4000
135 		#define	MDIO_XGXS_BLOCK2_TX_LN_SWAP		0x11
136 		#define	MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE		0x8000
137 		#define	MDIO_XGXS_BLOCK2_UNICORE_MODE_10G	0x14
138 		#define	MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS	0x0001
139 		#define	MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS	0x0010
140 		#define	MDIO_XGXS_BLOCK2_TEST_MODE_LANE		0x15
141 
142 #define	MDIO_REG_BANK_GP_STATUS				0x8120
143 #define	MDIO_GP_STATUS_TOP_AN_STATUS1				0x1B
144 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE	0x0001
145 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE	0x0002
146 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS		0x0004
147 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS		0x0008
148 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE	0x0010
149 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_LP_NP_BAM_ABLE	0x0020
150 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE	0x0040
151 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE	0x0080
152 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK		0x3f00
153 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M		0x0000
154 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M		0x0100
155 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G		0x0200
156 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G		0x0300
157 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G		0x0400
158 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G		0x0500
159 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG	0x0600
160 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4	0x0700
161 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12G_HIG	0x0800
162 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12_5G	0x0900
163 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_13G		0x0A00
164 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_15G		0x0B00
165 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_16G		0x0C00
166 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX	0x0D00
167 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4	0x0E00
168 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR	0x0F00
169 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI	0x1B00
170 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS	0x1E00
171 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI	0x1F00
172 	#define	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2	0x3900
173 
174 
175 #define	MDIO_REG_BANK_10G_PARALLEL_DETECT		0x8130
176 #define	MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS		0x10
177 #define	MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK		0x8000
178 #define	MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL		0x11
179 #define	MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN	0x1
180 #define	MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK		0x13
181 #define	MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT		(0xb71<<1)
182 
183 #define	MDIO_REG_BANK_SERDES_DIGITAL			0x8300
184 #define	MDIO_SERDES_DIGITAL_A_1000X_CONTROL1			0x10
185 #define	MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE			0x0001
186 #define	MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_TBI_IF			0x0002
187 #define	MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN		0x0004
188 #define	MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT	0x0008
189 #define	MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET			0x0010
190 #define	MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE			0x0020
191 #define	MDIO_SERDES_DIGITAL_A_1000X_CONTROL2			0x11
192 #define	MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN			0x0001
193 #define	MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_AN_FST_TMR			0x0040
194 #define	MDIO_SERDES_DIGITAL_A_1000X_STATUS1			0x14
195 #define	MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SGMII			0x0001
196 #define	MDIO_SERDES_DIGITAL_A_1000X_STATUS1_LINK			0x0002
197 #define	MDIO_SERDES_DIGITAL_A_1000X_STATUS1_DUPLEX			0x0004
198 #define	MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_MASK			0x0018
199 #define	MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_SHIFT			3
200 #define	MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_2_5G			0x0018
201 #define	MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_1G			0x0010
202 #define	MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_100M			0x0008
203 #define	MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_10M			0x0000
204 #define	MDIO_SERDES_DIGITAL_A_1000X_STATUS2			0x15
205 #define	MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED			0x0002
206 #define	MDIO_SERDES_DIGITAL_MISC1				0x18
207 #define	MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_MASK			0xE000
208 #define	MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_25M			0x0000
209 #define	MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_100M			0x2000
210 #define	MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_125M			0x4000
211 #define	MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M			0x6000
212 #define	MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_187_5M			0x8000
213 #define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL			0x0010
214 #define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK			0x000f
215 #define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_2_5G			0x0000
216 #define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_5G			0x0001
217 #define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_6G			0x0002
218 #define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_HIG			0x0003
219 #define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4			0x0004
220 #define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_12G			0x0005
221 #define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_12_5G			0x0006
222 #define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G			0x0007
223 #define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_15G			0x0008
224 #define	MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_16G			0x0009
225 
226 #define	MDIO_REG_BANK_OVER_1G				0x8320
227 #define	MDIO_OVER_1G_DIGCTL_3_4					0x14
228 #define	MDIO_OVER_1G_DIGCTL_3_4_MP_ID_MASK				0xffe0
229 #define	MDIO_OVER_1G_DIGCTL_3_4_MP_ID_SHIFT				5
230 #define	MDIO_OVER_1G_UP1					0x19
231 #define	MDIO_OVER_1G_UP1_2_5G						0x0001
232 #define	MDIO_OVER_1G_UP1_5G						0x0002
233 #define	MDIO_OVER_1G_UP1_6G						0x0004
234 #define	MDIO_OVER_1G_UP1_10G						0x0010
235 #define	MDIO_OVER_1G_UP1_10GH						0x0008
236 #define	MDIO_OVER_1G_UP1_12G						0x0020
237 #define	MDIO_OVER_1G_UP1_12_5G						0x0040
238 #define	MDIO_OVER_1G_UP1_13G						0x0080
239 #define	MDIO_OVER_1G_UP1_15G						0x0100
240 #define	MDIO_OVER_1G_UP1_16G						0x0200
241 #define	MDIO_OVER_1G_UP2					0x1A
242 #define	MDIO_OVER_1G_UP2_IPREDRIVER_MASK				0x0007
243 #define	MDIO_OVER_1G_UP2_IDRIVER_MASK					0x0038
244 #define	MDIO_OVER_1G_UP2_PREEMPHASIS_MASK				0x03C0
245 #define	MDIO_OVER_1G_UP3					0x1B
246 #define	MDIO_OVER_1G_UP3_HIGIG2						0x0001
247 #define	MDIO_OVER_1G_LP_UP1					0x1C
248 #define	MDIO_OVER_1G_LP_UP2					0x1D
249 #define	MDIO_OVER_1G_LP_UP2_MR_ADV_OVER_1G_MASK				0x03ff
250 #define	MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK				0x0780
251 #define	MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT				7
252 #define	MDIO_OVER_1G_LP_UP3						0x1E
253 
254 #define	MDIO_REG_BANK_REMOTE_PHY			0x8330
255 #define	MDIO_REMOTE_PHY_MISC_RX_STATUS				0x10
256 #define	MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG	0x0010
257 #define	MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG	0x0600
258 
259 #define	MDIO_REG_BANK_BAM_NEXT_PAGE			0x8350
260 #define	MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL			0x10
261 #define	MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE			0x0001
262 #define	MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN			0x0002
263 
264 #define	MDIO_REG_BANK_CL73_USERB0		0x8370
265 #define	MDIO_CL73_USERB0_CL73_UCTRL				0x10
266 #define	MDIO_CL73_USERB0_CL73_UCTRL_USTAT1_MUXSEL			0x0002
267 #define	MDIO_CL73_USERB0_CL73_USTAT1				0x11
268 #define	MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK			0x0100
269 #define	MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37		0x0400
270 #define	MDIO_CL73_USERB0_CL73_BAM_CTRL1				0x12
271 #define	MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN				0x8000
272 #define	MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN		0x4000
273 #define	MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN		0x2000
274 #define	MDIO_CL73_USERB0_CL73_BAM_CTRL3				0x14
275 #define	MDIO_CL73_USERB0_CL73_BAM_CTRL3_USE_CL73_HCD_MR			0x0001
276 
277 #define	MDIO_REG_BANK_AER_BLOCK			0xFFD0
278 #define	MDIO_AER_BLOCK_AER_REG					0x1E
279 
280 #define	MDIO_REG_BANK_COMBO_IEEE0		0xFFE0
281 #define	MDIO_COMBO_IEEE0_MII_CONTROL				0x10
282 #define	MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK			0x2040
283 #define	MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_10			0x0000
284 #define	MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100			0x2000
285 #define	MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000			0x0040
286 #define	MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX				0x0100
287 #define	MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN				0x0200
288 #define	MDIO_COMBO_IEEO_MII_CONTROL_AN_EN				0x1000
289 #define	MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK				0x4000
290 #define	MDIO_COMBO_IEEO_MII_CONTROL_RESET				0x8000
291 #define	MDIO_COMBO_IEEE0_MII_STATUS				0x11
292 #define	MDIO_COMBO_IEEE0_MII_STATUS_LINK_PASS				0x0004
293 #define	MDIO_COMBO_IEEE0_MII_STATUS_AUTONEG_COMPLETE			0x0020
294 #define	MDIO_COMBO_IEEE0_AUTO_NEG_ADV				0x14
295 #define	MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX			0x0020
296 #define	MDIO_COMBO_IEEE0_AUTO_NEG_ADV_HALF_DUPLEX			0x0040
297 #define	MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK			0x0180
298 #define	MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE			0x0000
299 #define	MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC			0x0080
300 #define	MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC			0x0100
301 #define	MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH			0x0180
302 #define	MDIO_COMBO_IEEE0_AUTO_NEG_ADV_NEXT_PAGE				0x8000
303 #define	MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1		0x15
304 #define	MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_NEXT_PAGE	0x8000
305 #define	MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_ACK		0x4000
306 #define	MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_PAUSE_MASK	0x0180
307 #define	MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_PAUSE_NONE	0x0000
308 #define	MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_PAUSE_BOTH	0x0180
309 #define	MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_HALF_DUP_CAP	0x0040
310 #define	MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_FULL_DUP_CAP	0x0020
311 /*WhenthelinkpartnerisinSGMIImode(bit0=1),then
312 bit15=link,bit12=duplex,bits11:10=speed,bit14=acknowledge.
313 Theotherbitsarereservedandshouldbezero*/
314 #define	MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_SGMII_MODE	0x0001
315 
316 
317 #define	MDIO_PMA_DEVAD			0x1
318 /*ieee*/
319 #define	MDIO_PMA_REG_CTRL		0x0
320 #define	MDIO_PMA_REG_STATUS		0x1
321 #define	MDIO_PMA_REG_10G_CTRL2		0x7
322 #define MDIO_PMA_REG_TX_DISABLE		0x0009
323 #define	MDIO_PMA_REG_RX_SD		0xa
324 /*bnx2x*/
325 #define	MDIO_PMA_REG_BCM_CTRL		0x0096
326 #define MDIO_PMA_REG_FEC_CTRL		0x00ab
327 #define	MDIO_PMA_LASI_RXCTRL		0x9000
328 #define	MDIO_PMA_LASI_TXCTRL		0x9001
329 #define	MDIO_PMA_LASI_CTRL		0x9002
330 #define	MDIO_PMA_LASI_RXSTAT		0x9003
331 #define	MDIO_PMA_LASI_TXSTAT		0x9004
332 #define	MDIO_PMA_LASI_STAT		0x9005
333 #define	MDIO_PMA_REG_PHY_IDENTIFIER	0xc800
334 #define	MDIO_PMA_REG_DIGITAL_CTRL	0xc808
335 #define	MDIO_PMA_REG_DIGITAL_STATUS	0xc809
336 #define	MDIO_PMA_REG_TX_POWER_DOWN	0xca02
337 #define	MDIO_PMA_REG_CMU_PLL_BYPASS	0xca09
338 #define	MDIO_PMA_REG_MISC_CTRL		0xca0a
339 #define	MDIO_PMA_REG_GEN_CTRL		0xca10
340 	#define	MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP	0x0188
341 	#define	MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET		0x018a
342 #define	MDIO_PMA_REG_M8051_MSGIN_REG	0xca12
343 #define	MDIO_PMA_REG_M8051_MSGOUT_REG	0xca13
344 #define	MDIO_PMA_REG_ROM_VER1		0xca19
345 #define	MDIO_PMA_REG_ROM_VER2		0xca1a
346 #define	MDIO_PMA_REG_EDC_FFE_MAIN	0xca1b
347 #define	MDIO_PMA_REG_PLL_BANDWIDTH	0xca1d
348 #define MDIO_PMA_REG_PLL_CTRL 		0xca1e
349 #define MDIO_PMA_REG_MISC_CTRL0 	0xca23
350 #define MDIO_PMA_REG_LRM_MODE	 	0xca3f
351 #define	MDIO_PMA_REG_CDR_BANDWIDTH 	0xca46
352 #define	MDIO_PMA_REG_MISC_CTRL1		0xca85
353 
354 #define MDIO_PMA_REG_SFP_TWO_WIRE_CTRL		0x8000
355 #define MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK	0x000c
356 #define MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE		0x0000
357 #define MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE	0x0004
358 #define MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IN_PROGRESS	0x0008
359 #define MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_FAILED		0x000c
360 #define MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT 	0x8002
361 #define MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR 	0x8003
362 #define MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF	0xc820
363 	#define MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK 0xff
364 #define MDIO_PMA_REG_8726_TX_CTRL1		0xca01
365 #define MDIO_PMA_REG_8726_TX_CTRL2		0xca05
366 
367 #define MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR	0x8005
368 #define MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF	0x8007
369 	#define MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK 0xff
370 #define MDIO_PMA_REG_8727_MISC_CTRL		0x8309
371 #define MDIO_PMA_REG_8727_TX_CTRL1		0xca02
372 #define MDIO_PMA_REG_8727_TX_CTRL2		0xca05
373 #define MDIO_PMA_REG_8727_PCS_OPT_CTRL		0xc808
374 #define MDIO_PMA_REG_8727_GPIO_CTRL		0xc80e
375 #define MDIO_PMA_REG_8727_PCS_GP		0xc842
376 #define MDIO_PMA_REG_8727_OPT_CFG_REG		0xc8e4
377 
378 #define MDIO_AN_REG_8727_MISC_CTRL		0x8309
379 #define	MDIO_PMA_REG_8073_CHIP_REV			0xc801
380 #define MDIO_PMA_REG_8073_SPEED_LINK_STATUS		0xc820
381 #define MDIO_PMA_REG_8073_XAUI_WA 			0xc841
382 #define MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL 		0xcd08
383 
384 #define MDIO_PMA_REG_7101_RESET		0xc000
385 #define	MDIO_PMA_REG_7107_LED_CNTL	0xc007
386 #define	MDIO_PMA_REG_7107_LINK_LED_CNTL	0xc009
387 #define	MDIO_PMA_REG_7101_VER1		0xc026
388 #define	MDIO_PMA_REG_7101_VER2		0xc027
389 
390 #define MDIO_PMA_REG_8481_PMD_SIGNAL	0xa811
391 #define MDIO_PMA_REG_8481_LED1_MASK	0xa82c
392 #define MDIO_PMA_REG_8481_LED2_MASK	0xa82f
393 #define MDIO_PMA_REG_8481_LED3_MASK	0xa832
394 #define MDIO_PMA_REG_8481_LED3_BLINK	0xa834
395 #define MDIO_PMA_REG_8481_LED5_MASK	                0xa838
396 #define MDIO_PMA_REG_8481_SIGNAL_MASK	0xa835
397 #define MDIO_PMA_REG_8481_LINK_SIGNAL	0xa83b
398 #define MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK	0x800
399 #define MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT	11
400 
401 
402 
403 #define	MDIO_WIS_DEVAD			0x2
404 /*bnx2x*/
405 #define	MDIO_WIS_REG_LASI_CNTL		0x9002
406 #define	MDIO_WIS_REG_LASI_STATUS	0x9005
407 
408 #define	MDIO_PCS_DEVAD			0x3
409 #define	MDIO_PCS_REG_STATUS		0x0020
410 #define MDIO_PCS_REG_LASI_STATUS	0x9005
411 #define MDIO_PCS_REG_7101_DSP_ACCESS	0xD000
412 #define MDIO_PCS_REG_7101_SPI_MUX 	0xD008
413 #define MDIO_PCS_REG_7101_SPI_CTRL_ADDR 0xE12A
414 	#define MDIO_PCS_REG_7101_SPI_RESET_BIT (5)
415 #define MDIO_PCS_REG_7101_SPI_FIFO_ADDR 0xE02A
416 	#define MDIO_PCS_REG_7101_SPI_FIFO_ADDR_WRITE_ENABLE_CMD (6)
417 	#define MDIO_PCS_REG_7101_SPI_FIFO_ADDR_BULK_ERASE_CMD   (0xC7)
418 	#define MDIO_PCS_REG_7101_SPI_FIFO_ADDR_PAGE_PROGRAM_CMD (2)
419 #define MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR 0xE028
420 
421 
422 
423 #define	MDIO_XS_DEVAD			0x4
424 #define	MDIO_XS_REG_STATUS		0x0001
425 #define MDIO_XS_PLL_SEQUENCER 		0x8000
426 #define	MDIO_XS_SFX7101_XGXS_TEST1	0xc00a
427 
428 #define MDIO_XS_8706_REG_BANK_RX0	0x80bc
429 #define MDIO_XS_8706_REG_BANK_RX1	0x80cc
430 #define MDIO_XS_8706_REG_BANK_RX2	0x80dc
431 #define MDIO_XS_8706_REG_BANK_RX3	0x80ec
432 #define MDIO_XS_8706_REG_BANK_RXA	0x80fc
433 
434 #define MDIO_XS_REG_8073_RX_CTRL_PCIE	0x80FA
435 
436 #define	MDIO_AN_DEVAD			0x7
437 /*ieee*/
438 #define	MDIO_AN_REG_CTRL		0x0000
439 #define	MDIO_AN_REG_STATUS		0x0001
440 	#define	MDIO_AN_REG_STATUS_AN_COMPLETE		0x0020
441 #define	MDIO_AN_REG_ADV_PAUSE		0x0010
442 	#define	MDIO_AN_REG_ADV_PAUSE_PAUSE		0x0400
443 	#define	MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC	0x0800
444 	#define	MDIO_AN_REG_ADV_PAUSE_BOTH		0x0C00
445 	#define	MDIO_AN_REG_ADV_PAUSE_MASK		0x0C00
446 #define	MDIO_AN_REG_ADV			0x0011
447 #define MDIO_AN_REG_ADV2		0x0012
448 #define	MDIO_AN_REG_LP_AUTO_NEG		0x0013
449 #define	MDIO_AN_REG_LP_AUTO_NEG2	0x0014
450 #define	MDIO_AN_REG_MASTER_STATUS	0x0021
451 #define	MDIO_AN_REG_EEE_ADV		0x003c
452 #define	MDIO_AN_REG_LP_EEE_ADV		0x003d
453 /*bnx2x*/
454 #define	MDIO_AN_REG_LINK_STATUS		0x8304
455 #define	MDIO_AN_REG_CL37_CL73		0x8370
456 #define	MDIO_AN_REG_CL37_AN		0xffe0
457 #define	MDIO_AN_REG_CL37_FC_LD		0xffe4
458 #define 	MDIO_AN_REG_CL37_FC_LP		0xffe5
459 #define 	MDIO_AN_REG_1000T_STATUS	0xffea
460 
461 #define MDIO_AN_REG_8073_2_5G		0x8329
462 #define MDIO_AN_REG_8073_BAM		0x8350
463 
464 #define MDIO_AN_REG_8481_10GBASE_T_AN_CTRL	0x0020
465 #define MDIO_AN_REG_8481_LEGACY_MII_CTRL	0xffe0
466 	#define MDIO_AN_REG_8481_MII_CTRL_FORCE_1G	0x40
467 #define MDIO_AN_REG_8481_LEGACY_MII_STATUS	0xffe1
468 #define MDIO_AN_REG_848xx_ID_MSB		0xffe2
469 	#define BNX2X84858_PHY_ID					0x600d
470 #define MDIO_AN_REG_848xx_ID_LSB		0xffe3
471 #define MDIO_AN_REG_8481_LEGACY_AN_ADV		0xffe4
472 #define MDIO_AN_REG_8481_LEGACY_AN_EXPANSION	0xffe6
473 #define MDIO_AN_REG_8481_1000T_CTRL		0xffe9
474 #define MDIO_AN_REG_8481_1G_100T_EXT_CTRL	0xfff0
475 	#define MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF	0x0008
476 #define MDIO_AN_REG_8481_EXPANSION_REG_RD_RW	0xfff5
477 #define MDIO_AN_REG_8481_EXPANSION_REG_ACCESS	0xfff7
478 #define MDIO_AN_REG_8481_AUX_CTRL		0xfff8
479 #define MDIO_AN_REG_8481_LEGACY_SHADOW		0xfffc
480 
481 /* BNX2X84823 only */
482 #define	MDIO_CTL_DEVAD			0x1e
483 #define MDIO_CTL_REG_84823_MEDIA		0x401a
484 	#define MDIO_CTL_REG_84823_MEDIA_MAC_MASK		0x0018
485 	/* These pins configure the BNX2X84823 interface to MAC after reset. */
486 		#define MDIO_CTL_REG_84823_CTRL_MAC_XFI			0x0008
487 		#define MDIO_CTL_REG_84823_MEDIA_MAC_XAUI_M		0x0010
488 	/* These pins configure the BNX2X84823 interface to Line after reset. */
489 	#define MDIO_CTL_REG_84823_MEDIA_LINE_MASK		0x0060
490 		#define MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L		0x0020
491 		#define MDIO_CTL_REG_84823_MEDIA_LINE_XFI		0x0040
492 	/* When this pin is active high during reset, 10GBASE-T core is power
493 	 * down, When it is active low the 10GBASE-T is power up
494 	 */
495 	#define MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN	0x0080
496 	#define MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK		0x0100
497 		#define MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER	0x0000
498 		#define MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER		0x0100
499 	#define MDIO_CTL_REG_84823_MEDIA_FIBER_1G			0x1000
500 #define MDIO_CTL_REG_84823_USER_CTRL_REG			0x4005
501 	#define MDIO_CTL_REG_84823_USER_CTRL_CMS			0x0080
502 #define MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH		0xa82b
503 	#define MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ	0x2f
504 #define MDIO_PMA_REG_84823_CTL_LED_CTL_1			0xa8e3
505 #define MDIO_PMA_REG_84833_CTL_LED_CTL_1			0xa8ec
506 	#define MDIO_PMA_REG_84823_LED3_STRETCH_EN			0x0080
507 
508 /* BNX2X84833 only */
509 #define MDIO_84833_TOP_CFG_FW_REV			0x400f
510 #define MDIO_84833_TOP_CFG_FW_EEE			0x10b1
511 #define MDIO_84833_TOP_CFG_FW_NO_EEE			0x1f81
512 #define MDIO_84833_TOP_CFG_XGPHY_STRAP1 		0x401a
513 #define MDIO_84833_SUPER_ISOLATE			0x8000
514 /* These are mailbox register set used by 84833/84858. */
515 #define MDIO_848xx_TOP_CFG_SCRATCH_REG0			0x4005
516 #define MDIO_848xx_TOP_CFG_SCRATCH_REG1			0x4006
517 #define MDIO_848xx_TOP_CFG_SCRATCH_REG2			0x4007
518 #define MDIO_848xx_TOP_CFG_SCRATCH_REG3			0x4008
519 #define MDIO_848xx_TOP_CFG_SCRATCH_REG4			0x4009
520 #define MDIO_848xx_TOP_CFG_SCRATCH_REG26		0x4037
521 #define MDIO_848xx_TOP_CFG_SCRATCH_REG27		0x4038
522 #define MDIO_848xx_TOP_CFG_SCRATCH_REG28		0x4039
523 #define MDIO_848xx_TOP_CFG_SCRATCH_REG29		0x403a
524 #define MDIO_848xx_TOP_CFG_SCRATCH_REG30		0x403b
525 #define MDIO_848xx_TOP_CFG_SCRATCH_REG31		0x403c
526 #define MDIO_848xx_CMD_HDLR_COMMAND	(MDIO_848xx_TOP_CFG_SCRATCH_REG0)
527 #define MDIO_848xx_CMD_HDLR_STATUS	(MDIO_848xx_TOP_CFG_SCRATCH_REG26)
528 #define MDIO_848xx_CMD_HDLR_DATA1	(MDIO_848xx_TOP_CFG_SCRATCH_REG27)
529 #define MDIO_848xx_CMD_HDLR_DATA2	(MDIO_848xx_TOP_CFG_SCRATCH_REG28)
530 #define MDIO_848xx_CMD_HDLR_DATA3	(MDIO_848xx_TOP_CFG_SCRATCH_REG29)
531 #define MDIO_848xx_CMD_HDLR_DATA4	(MDIO_848xx_TOP_CFG_SCRATCH_REG30)
532 #define MDIO_848xx_CMD_HDLR_DATA5	(MDIO_848xx_TOP_CFG_SCRATCH_REG31)
533 
534 /* Mailbox command set used by 84833/84858 */
535 #define PHY848xx_CMD_SET_PAIR_SWAP			0x8001
536 #define PHY848xx_CMD_GET_EEE_MODE			0x8008
537 #define PHY848xx_CMD_SET_EEE_MODE			0x8009
538 #define PHY848xx_CMD_GET_CURRENT_TEMP			0x8031
539 /* Mailbox status set used by 84833 only */
540 #define PHY84833_STATUS_CMD_RECEIVED			0x0001
541 #define PHY84833_STATUS_CMD_IN_PROGRESS			0x0002
542 #define PHY84833_STATUS_CMD_COMPLETE_PASS		0x0004
543 #define PHY84833_STATUS_CMD_COMPLETE_ERROR		0x0008
544 #define PHY84833_STATUS_CMD_OPEN_FOR_CMDS		0x0010
545 #define PHY84833_STATUS_CMD_SYSTEM_BOOT			0x0020
546 #define PHY84833_STATUS_CMD_NOT_OPEN_FOR_CMDS		0x0040
547 #define PHY84833_STATUS_CMD_CLEAR_COMPLETE		0x0080
548 #define PHY84833_STATUS_CMD_OPEN_OVERRIDE		0xa5a5
549 /* Mailbox Process */
550 #define PHY84833_MB_PROCESS1				1
551 #define PHY84833_MB_PROCESS2				2
552 #define PHY84833_MB_PROCESS3				3
553 
554 
555 /* Mailbox status set used by 84858 only */
556 #define PHY84858_STATUS_CMD_RECEIVED			0x0001
557 #define PHY84858_STATUS_CMD_IN_PROGRESS			0x0002
558 #define PHY84858_STATUS_CMD_COMPLETE_PASS		0x0004
559 #define PHY84858_STATUS_CMD_COMPLETE_ERROR		0x0008
560 #define PHY84858_STATUS_CMD_SYSTEM_BUSY                 0xbbbb
561 
562 
563 /* Warpcore clause 45 addressing */
564 #define MDIO_WC_DEVAD					0x3
565 #define MDIO_WC_REG_IEEE0BLK_MIICNTL                    0x0
566 #define MDIO_WC_REG_IEEE0BLK_AUTONEGNP                  0x7
567 #define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT0       0x10
568 #define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1       0x11
569 #define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2       0x12
570 	#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY	0x4000
571 	#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ		0x8000
572 #define MDIO_WC_REG_PCS_STATUS2				0x0021
573 #define MDIO_WC_REG_PMD_KR_CONTROL			0x0096
574 #define MDIO_WC_REG_XGXSBLK0_XGXSCONTROL                0x8000
575 #define MDIO_WC_REG_XGXSBLK0_MISCCONTROL1               0x800e
576 #define MDIO_WC_REG_XGXSBLK1_DESKEW                     0x8010
577 #define MDIO_WC_REG_XGXSBLK1_LANECTRL0                  0x8015
578 #define MDIO_WC_REG_XGXSBLK1_LANECTRL1                  0x8016
579 #define MDIO_WC_REG_XGXSBLK1_LANECTRL2                  0x8017
580 #define MDIO_WC_REG_XGXSBLK1_LANECTRL3                  0x8018
581 #define MDIO_WC_REG_XGXSBLK1_LANETEST0                  0x801a
582 #define MDIO_WC_REG_TX0_ANA_CTRL0			0x8061
583 #define MDIO_WC_REG_TX1_ANA_CTRL0			0x8071
584 #define MDIO_WC_REG_TX2_ANA_CTRL0			0x8081
585 #define MDIO_WC_REG_TX3_ANA_CTRL0			0x8091
586 #define MDIO_WC_REG_TX0_TX_DRIVER			0x8067
587 #define MDIO_WC_REG_TX0_TX_DRIVER_IFIR_OFFSET			0x01
588 #define MDIO_WC_REG_TX0_TX_DRIVER_IFIR_MASK				0x000e
589 #define MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET		0x04
590 #define MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_MASK			0x00f0
591 #define MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET		0x08
592 #define MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_MASK				0x0f00
593 #define MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET		0x0c
594 #define MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_MASK			0x7000
595 #define MDIO_WC_REG_TX1_TX_DRIVER			0x8077
596 #define MDIO_WC_REG_TX2_TX_DRIVER			0x8087
597 #define MDIO_WC_REG_TX3_TX_DRIVER			0x8097
598 #define MDIO_WC_REG_RX0_ANARXCONTROL1G                  0x80b9
599 #define MDIO_WC_REG_RX2_ANARXCONTROL1G                  0x80d9
600 #define MDIO_WC_REG_RX0_PCI_CTRL			0x80ba
601 #define MDIO_WC_REG_RX1_PCI_CTRL			0x80ca
602 #define MDIO_WC_REG_RX2_PCI_CTRL			0x80da
603 #define MDIO_WC_REG_RX3_PCI_CTRL			0x80ea
604 #define MDIO_WC_REG_RXB_ANA_RX_CONTROL_PCI		0x80fa
605 #define MDIO_WC_REG_XGXSBLK2_UNICORE_MODE_10G 		0x8104
606 #define MDIO_WC_REG_XGXSBLK2_LANE_RESET			0x810a
607 #define MDIO_WC_REG_XGXS_STATUS3			0x8129
608 #define MDIO_WC_REG_PAR_DET_10G_STATUS			0x8130
609 #define MDIO_WC_REG_PAR_DET_10G_CTRL			0x8131
610 #define MDIO_WC_REG_XGXS_STATUS4                        0x813c
611 #define MDIO_WC_REG_XGXS_X2_CONTROL2 		        0x8141
612 #define MDIO_WC_REG_XGXS_X2_CONTROL3 		        0x8142
613 #define MDIO_WC_REG_XGXS_RX_LN_SWAP1		      	0x816B
614 #define MDIO_WC_REG_XGXS_TX_LN_SWAP1		      	0x8169
615 #define MDIO_WC_REG_GP2_STATUS_GP_2_0			0x81d0
616 #define MDIO_WC_REG_GP2_STATUS_GP_2_1			0x81d1
617 #define MDIO_WC_REG_GP2_STATUS_GP_2_2			0x81d2
618 #define MDIO_WC_REG_GP2_STATUS_GP_2_3			0x81d3
619 #define MDIO_WC_REG_GP2_STATUS_GP_2_4			0x81d4
620 	#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL 0x1000
621 	#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_AN_CMPL 0x0100
622 	#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP 0x0010
623 	#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_AN_CAP 0x1
624 #define MDIO_WC_REG_UC_INFO_B0_DEAD_TRAP                0x81EE
625 #define MDIO_WC_REG_UC_INFO_B1_VERSION                  0x81F0
626 #define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE		0x81F2
627 	#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_LANE0_OFFSET	0x0
628 		#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT        0x0
629 		#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_OPT_LR     0x1
630 		#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC        0x2
631 		#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_XLAUI      0x3
632 		#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_LONG_CH_6G     0x4
633 	#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_LANE1_OFFSET	0x4
634 	#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_LANE2_OFFSET	0x8
635 	#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_LANE3_OFFSET	0xc
636 #define MDIO_WC_REG_UC_INFO_B1_CRC                      0x81FE
637 #define MDIO_WC_REG_DSC1B0_UC_CTRL				0x820e
638 #define MDIO_WC_REG_DSC1B0_UC_CTRL_RDY4CMD			(1<<7)
639 #define MDIO_WC_REG_DSC_SMC				0x8213
640 #define MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0		0x821e
641 #define MDIO_WC_REG_TX_FIR_TAP				0x82e2
642 	#define MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET		0x00
643 	#define MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_MASK			0x000f
644 	#define MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET		0x04
645 	#define MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_MASK		0x03f0
646 	#define MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET		0x0a
647 	#define MDIO_WC_REG_TX_FIR_TAP_POST_TAP_MASK		0x7c00
648 	#define MDIO_WC_REG_TX_FIR_TAP_ENABLE		0x8000
649 #define MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP		0x82e2
650 #define MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL      0x82e3
651 #define MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL	0x82e6
652 #define MDIO_WC_REG_CL72_USERB0_CL72_BR_DEF_CTRL	0x82e7
653 #define MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL	0x82e8
654 #define MDIO_WC_REG_CL72_USERB0_CL72_MISC4_CONTROL      0x82ec
655 #define MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1         0x8300
656 #define MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2         0x8301
657 #define MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3         0x8302
658 #define MDIO_WC_REG_SERDESDIGITAL_STATUS1000X1          0x8304
659 #define MDIO_WC_REG_SERDESDIGITAL_MISC1                 0x8308
660 #define MDIO_WC_REG_SERDESDIGITAL_MISC2                 0x8309
661 #define MDIO_WC_REG_DIGITAL3_UP1                        0x8329
662 #define MDIO_WC_REG_DIGITAL3_LP_UP1                     0x832c
663 #define MDIO_WC_REG_DIGITAL4_MISC3                      0x833c
664 #define MDIO_WC_REG_DIGITAL4_MISC5                      0x833e
665 #define MDIO_WC_REG_DIGITAL5_MISC6                      0x8345
666 #define MDIO_WC_REG_DIGITAL5_MISC7                      0x8349
667 #define MDIO_WC_REG_DIGITAL5_LINK_STATUS		0x834d
668 #define MDIO_WC_REG_DIGITAL5_ACTUAL_SPEED               0x834e
669 #define MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL           0x8350
670 #define MDIO_WC_REG_CL49_USERB0_CTRL	                0x8368
671 #define MDIO_WC_REG_CL73_USERB0_CTRL                    0x8370
672 #define MDIO_WC_REG_CL73_USERB0_USTAT                   0x8371
673 #define MDIO_WC_REG_CL73_BAM_CTRL1			0x8372
674 #define MDIO_WC_REG_CL73_BAM_CTRL2			0x8373
675 #define MDIO_WC_REG_CL73_BAM_CTRL3			0x8374
676 #define MDIO_WC_REG_CL73_BAM_CODE_FIELD			0x837b
677 #define MDIO_WC_REG_EEE_COMBO_CONTROL0                  0x8390
678 #define MDIO_WC_REG_TX66_CONTROL                        0x83b0
679 #define MDIO_WC_REG_RX66_CONTROL                        0x83c0
680 #define MDIO_WC_REG_RX66_SCW0                           0x83c2
681 #define MDIO_WC_REG_RX66_SCW1                           0x83c3
682 #define MDIO_WC_REG_RX66_SCW2                           0x83c4
683 #define MDIO_WC_REG_RX66_SCW3                           0x83c5
684 #define MDIO_WC_REG_RX66_SCW0_MASK                      0x83c6
685 #define MDIO_WC_REG_RX66_SCW1_MASK                      0x83c7
686 #define MDIO_WC_REG_RX66_SCW2_MASK                      0x83c8
687 #define MDIO_WC_REG_RX66_SCW3_MASK                      0x83c9
688 #define MDIO_WC_REG_FX100_CTRL1				0x8400
689 #define MDIO_WC_REG_FX100_CTRL3				0x8402
690 #define MDIO_WC_REG_CL82_USERB1_TX_CTRL5		0x8436
691 #define MDIO_WC_REG_CL82_USERB1_TX_CTRL6		0x8437
692 #define MDIO_WC_REG_CL82_USERB1_TX_CTRL7		0x8438
693 #define MDIO_WC_REG_CL82_USERB1_TX_CTRL9		0x8439
694 #define MDIO_WC_REG_CL82_USERB1_RX_CTRL10		0x843a
695 #define MDIO_WC_REG_CL82_USERB1_RX_CTRL11		0x843b
696 #define MDIO_WC_REG_ETA_CL73_OUI1			0x8453
697 #define MDIO_WC_REG_ETA_CL73_OUI2			0x8454
698 #define MDIO_WC_REG_ETA_CL73_OUI3			0x8455
699 #define MDIO_WC_REG_ETA_CL73_LD_BAM_CODE		0x8456
700 #define MDIO_WC_REG_ETA_CL73_LD_UD_CODE			0x8457
701 #define MDIO_WC_REG_MICROBLK_CMD                        0xffc2
702 #define MDIO_WC_REG_MICROBLK_DL_STATUS                  0xffc5
703 #define MDIO_WC_REG_MICROBLK_CMD3                       0xffcc
704 
705 #define MDIO_WC_REG_AERBLK_AER                          0xffde
706 #define MDIO_WC_REG_COMBO_IEEE0_MIICTRL			0xffe0
707 #define MDIO_WC_REG_COMBO_IEEE0_MIIISTAT                0xffe1
708 
709 #define MDIO_WC0_XGXS_BLK2_LANE_RESET                   0x810A
710 #define MDIO_WC0_XGXS_BLK2_LANE_RESET_RX_BITSHIFT	0
711 #define MDIO_WC0_XGXS_BLK2_LANE_RESET_TX_BITSHIFT	4
712 
713 #define MDIO_WC0_XGXS_BLK6_XGXS_X2_CONTROL2             0x8141
714 
715 #define DIGITAL5_ACTUAL_SPEED_TX_MASK                   0x003f
716 
717 /* 54618se */
718 #define MDIO_REG_GPHY_MII_STATUS			0x1
719 #define MDIO_REG_GPHY_PHYID_LSB				0x3
720 #define MDIO_REG_GPHY_CL45_ADDR_REG			0xd
721 	#define MDIO_REG_GPHY_CL45_REG_WRITE		0x4000
722 	#define MDIO_REG_GPHY_CL45_REG_READ		0xc000
723 #define MDIO_REG_GPHY_CL45_DATA_REG			0xe
724 	#define MDIO_REG_GPHY_EEE_RESOLVED		0x803e
725 #define MDIO_REG_GPHY_EXP_ACCESS_GATE			0x15
726 #define MDIO_REG_GPHY_EXP_ACCESS			0x17
727 	#define MDIO_REG_GPHY_EXP_ACCESS_TOP		0xd00
728 	#define MDIO_REG_GPHY_EXP_TOP_2K_BUF		0x40
729 #define MDIO_REG_GPHY_AUX_STATUS			0x19
730 #define MDIO_REG_INTR_STATUS				0x1a
731 #define MDIO_REG_INTR_MASK				0x1b
732 	#define MDIO_REG_INTR_MASK_LINK_STATUS			(0x1 << 1)
733 #define MDIO_REG_GPHY_SHADOW				0x1c
734 	#define MDIO_REG_GPHY_SHADOW_LED_SEL1			(0x0d << 10)
735 	#define MDIO_REG_GPHY_SHADOW_LED_SEL2			(0x0e << 10)
736 	#define MDIO_REG_GPHY_SHADOW_WR_ENA			(0x1 << 15)
737 	#define MDIO_REG_GPHY_SHADOW_AUTO_DET_MED		(0x1e << 10)
738 	#define MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD		(0x1 << 8)
739 
740 
741 typedef elink_status_t (*read_sfp_module_eeprom_func_p)(struct elink_phy *phy,
742 					     struct elink_params *params,
743 					     uint8_t dev_addr, uint16_t addr,
744 					     uint8_t byte_cnt,
745 					     uint8_t *o_buf, uint8_t);
746 /********************************************************/
747 #define ELINK_ETH_HLEN			14
748 /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
749 #define ELINK_ETH_OVREHEAD			(ELINK_ETH_HLEN + 8 + 8)
750 #define ELINK_ETH_MIN_PACKET_SIZE		60
751 #define ELINK_ETH_MAX_PACKET_SIZE		1500
752 #define ELINK_ETH_MAX_JUMBO_PACKET_SIZE	9600
753 #define ELINK_MDIO_ACCESS_TIMEOUT		1000
754 #define WC_LANE_MAX			4
755 #define I2C_SWITCH_WIDTH		2
756 #define I2C_BSC0			0
757 #define I2C_BSC1			1
758 #define I2C_WA_RETRY_CNT		3
759 #define I2C_WA_PWR_ITER			(I2C_WA_RETRY_CNT - 1)
760 #define MCPR_IMC_COMMAND_READ_OP	1
761 #define MCPR_IMC_COMMAND_WRITE_OP	2
762 
763 /* LED Blink rate that will achieve ~15.9Hz */
764 #define LED_BLINK_RATE_VAL_E3		354
765 #define LED_BLINK_RATE_VAL_E1X_E2	480
766 /***********************************************************/
767 /*			Shortcut definitions		   */
768 /***********************************************************/
769 
770 #define ELINK_NIG_LATCH_BC_ENABLE_MI_INT 0
771 
772 #define ELINK_NIG_STATUS_EMAC0_MI_INT \
773 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
774 #define ELINK_NIG_STATUS_XGXS0_LINK10G \
775 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
776 #define ELINK_NIG_STATUS_XGXS0_LINK_STATUS \
777 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
778 #define ELINK_NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
779 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
780 #define ELINK_NIG_STATUS_SERDES0_LINK_STATUS \
781 		NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
782 #define ELINK_NIG_MASK_MI_INT \
783 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
784 #define ELINK_NIG_MASK_XGXS0_LINK10G \
785 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
786 #define ELINK_NIG_MASK_XGXS0_LINK_STATUS \
787 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
788 #define ELINK_NIG_MASK_SERDES0_LINK_STATUS \
789 		NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
790 
791 #define ELINK_MDIO_AN_CL73_OR_37_COMPLETE \
792 		(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
793 		 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
794 
795 #define ELINK_XGXS_RESET_BITS \
796 	(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW |   \
797 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ |      \
798 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN |    \
799 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
800 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
801 
802 #define ELINK_SERDES_RESET_BITS \
803 	(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
804 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ |    \
805 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN |  \
806 	 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
807 
808 #define ELINK_AUTONEG_CL37		SHARED_HW_CFG_AN_ENABLE_CL37
809 #define ELINK_AUTONEG_CL73		SHARED_HW_CFG_AN_ENABLE_CL73
810 #define ELINK_AUTONEG_BAM		SHARED_HW_CFG_AN_ENABLE_BAM
811 #define ELINK_AUTONEG_PARALLEL \
812 				SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
813 #define ELINK_AUTONEG_SGMII_FIBER_AUTODET \
814 				SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
815 #define ELINK_AUTONEG_REMOTE_PHY	SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
816 
817 #define ELINK_GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
818 			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
819 #define ELINK_GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
820 			MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
821 #define ELINK_GP_STATUS_SPEED_MASK \
822 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
823 #define ELINK_GP_STATUS_10M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
824 #define ELINK_GP_STATUS_100M	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
825 #define ELINK_GP_STATUS_1G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
826 #define ELINK_GP_STATUS_2_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
827 #define ELINK_GP_STATUS_5G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
828 #define ELINK_GP_STATUS_6G	MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
829 #define ELINK_GP_STATUS_10G_HIG \
830 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
831 #define ELINK_GP_STATUS_10G_CX4 \
832 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
833 #define ELINK_GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
834 #define ELINK_GP_STATUS_10G_KX4 \
835 			MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
836 #define	ELINK_GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
837 #define	ELINK_GP_STATUS_10G_XFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
838 #define	ELINK_GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
839 #define	ELINK_GP_STATUS_10G_SFI   MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
840 #define	ELINK_GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
841 #define ELINK_LINK_10THD		LINK_STATUS_SPEED_AND_DUPLEX_10THD
842 #define ELINK_LINK_10TFD		LINK_STATUS_SPEED_AND_DUPLEX_10TFD
843 #define ELINK_LINK_100TXHD		LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
844 #define ELINK_LINK_100T4		LINK_STATUS_SPEED_AND_DUPLEX_100T4
845 #define ELINK_LINK_100TXFD		LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
846 #define ELINK_LINK_1000THD		LINK_STATUS_SPEED_AND_DUPLEX_1000THD
847 #define ELINK_LINK_1000TFD		LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
848 #define ELINK_LINK_1000XFD		LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
849 #define ELINK_LINK_2500THD		LINK_STATUS_SPEED_AND_DUPLEX_2500THD
850 #define ELINK_LINK_2500TFD		LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
851 #define ELINK_LINK_2500XFD		LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
852 #define ELINK_LINK_10GTFD		LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
853 #define ELINK_LINK_10GXFD		LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
854 #define ELINK_LINK_20GTFD		LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
855 #define ELINK_LINK_20GXFD		LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
856 
857 #define ELINK_LINK_UPDATE_MASK \
858 			(LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
859 			 LINK_STATUS_LINK_UP | \
860 			 LINK_STATUS_PHYSICAL_LINK_FLAG | \
861 			 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
862 			 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
863 			 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
864 			 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
865 			 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
866 			 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
867 
868 #define ELINK_SFP_EEPROM_CON_TYPE_ADDR		0x2
869 	#define ELINK_SFP_EEPROM_CON_TYPE_VAL_UNKNOWN	0x0
870 	#define ELINK_SFP_EEPROM_CON_TYPE_VAL_LC	0x7
871 	#define ELINK_SFP_EEPROM_CON_TYPE_VAL_COPPER	0x21
872 	#define ELINK_SFP_EEPROM_CON_TYPE_VAL_RJ45	0x22
873 
874 
875 #define ELINK_SFP_EEPROM_10G_COMP_CODE_ADDR		0x3
876 	#define ELINK_SFP_EEPROM_10G_COMP_CODE_SR_MASK	(1 << 4)
877 	#define ELINK_SFP_EEPROM_10G_COMP_CODE_LR_MASK	(1 << 5)
878 	#define ELINK_SFP_EEPROM_10G_COMP_CODE_LRM_MASK	(1 << 6)
879 
880 #define ELINK_SFP_EEPROM_1G_COMP_CODE_ADDR		0x6
881 	#define ELINK_SFP_EEPROM_1G_COMP_CODE_SX	(1 << 0)
882 	#define ELINK_SFP_EEPROM_1G_COMP_CODE_LX	(1 << 1)
883 	#define ELINK_SFP_EEPROM_1G_COMP_CODE_CX	(1 << 2)
884 	#define ELINK_SFP_EEPROM_1G_COMP_CODE_BASE_T	(1 << 3)
885 
886 #define ELINK_SFP_EEPROM_FC_TX_TECH_ADDR		0x8
887 	#define ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
888 	#define ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE  0x8
889 
890 #define ELINK_SFP_EEPROM_OPTIONS_ADDR			0x40
891 	#define ELINK_SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
892 #define ELINK_SFP_EEPROM_OPTIONS_SIZE			2
893 
894 #define ELINK_EDC_MODE_LINEAR				0x0022
895 #define ELINK_EDC_MODE_LIMITING				0x0044
896 #define ELINK_EDC_MODE_PASSIVE_DAC			0x0055
897 #define ELINK_EDC_MODE_ACTIVE_DAC			0x0066
898 
899 /* ETS defines*/
900 #define DCBX_INVALID_COS					(0xFF)
901 
902 #define ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND		(0x5000)
903 #define ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT		(0x5000)
904 #define ELINK_ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS		(1360)
905 #define ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS			(2720)
906 #define ELINK_ETS_E3B0_PBF_MIN_W_VAL				(10000)
907 
908 #define ELINK_MAX_PACKET_SIZE					(9700)
909 #define MAX_KR_LINK_RETRY				4
910 #define DEFAULT_TX_DRV_BRDCT		2
911 #define DEFAULT_TX_DRV_IFIR		0
912 #define DEFAULT_TX_DRV_POST2		3
913 #define DEFAULT_TX_DRV_IPRE_DRIVER	6
914 
915 /**********************************************************/
916 /*                     INTERFACE                          */
917 /**********************************************************/
918 
919 #define CL22_WR_OVER_CL45(_sc, _phy, _bank, _addr, _val) \
920 	elink_cl45_write(_sc, _phy, \
921 		(_phy)->def_md_devad, \
922 		(_bank + (_addr & 0xf)), \
923 		_val)
924 
925 #define CL22_RD_OVER_CL45(_sc, _phy, _bank, _addr, _val) \
926 	elink_cl45_read(_sc, _phy, \
927 		(_phy)->def_md_devad, \
928 		(_bank + (_addr & 0xf)), \
929 		_val)
930 
931 static elink_status_t elink_check_half_open_conn(struct elink_params *params,
932 				      struct elink_vars *vars, uint8_t notify);
933 static elink_status_t elink_sfp_module_detection(struct elink_phy *phy,
934 				      struct elink_params *params);
935 
936 static uint32_t elink_bits_en(struct bnx2x_softc *sc, uint32_t reg, uint32_t bits)
937 {
938 	uint32_t val = REG_RD(sc, reg);
939 
940 	val |= bits;
941 	REG_WR(sc, reg, val);
942 	return val;
943 }
944 
945 static uint32_t elink_bits_dis(struct bnx2x_softc *sc, uint32_t reg,
946 			       uint32_t bits)
947 {
948 	uint32_t val = REG_RD(sc, reg);
949 
950 	val &= ~bits;
951 	REG_WR(sc, reg, val);
952 	return val;
953 }
954 
955 /*
956  * elink_check_lfa - This function checks if link reinitialization is required,
957  *                   or link flap can be avoided.
958  *
959  * @params:	link parameters
960  * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
961  *         condition code.
962  */
963 static int elink_check_lfa(struct elink_params *params)
964 {
965 	uint32_t link_status, cfg_idx, lfa_mask, cfg_size;
966 	uint32_t cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
967 	uint32_t saved_val, req_val, eee_status;
968 	struct bnx2x_softc *sc = params->sc;
969 
970 	additional_config =
971 		REG_RD(sc, params->lfa_base +
972 			   offsetof(struct shmem_lfa, additional_config));
973 
974 	/* NOTE: must be first condition checked -
975 	* to verify DCC bit is cleared in any case!
976 	*/
977 	if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
978 		ELINK_DEBUG_P0(sc, "No LFA due to DCC flap after clp exit");
979 		REG_WR(sc, params->lfa_base +
980 			   offsetof(struct shmem_lfa, additional_config),
981 		       additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
982 		return LFA_DCC_LFA_DISABLED;
983 	}
984 
985 	/* Verify that link is up */
986 	link_status = REG_RD(sc, params->shmem_base +
987 			     offsetof(struct shmem_region,
988 				      port_mb[params->port].link_status));
989 	if (!(link_status & LINK_STATUS_LINK_UP))
990 		return LFA_LINK_DOWN;
991 
992 	/* if loaded after BOOT from SAN, don't flap the link in any case and
993 	 * rely on link set by preboot driver
994 	 */
995 	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_BOOT_FROM_SAN)
996 		return 0;
997 
998 	/* Verify that loopback mode is not set */
999 	if (params->loopback_mode)
1000 		return LFA_LOOPBACK_ENABLED;
1001 
1002 	/* Verify that MFW supports LFA */
1003 	if (!params->lfa_base)
1004 		return LFA_MFW_IS_TOO_OLD;
1005 
1006 	if (params->num_phys == 3) {
1007 		cfg_size = 2;
1008 		lfa_mask = 0xffffffff;
1009 	} else {
1010 		cfg_size = 1;
1011 		lfa_mask = 0xffff;
1012 	}
1013 
1014 	/* Compare Duplex */
1015 	saved_val = REG_RD(sc, params->lfa_base +
1016 			   offsetof(struct shmem_lfa, req_duplex));
1017 	req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
1018 	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
1019 		ELINK_DEBUG_P2(sc, "Duplex mismatch %x vs. %x",
1020 			       (saved_val & lfa_mask), (req_val & lfa_mask));
1021 		return LFA_DUPLEX_MISMATCH;
1022 	}
1023 	/* Compare Flow Control */
1024 	saved_val = REG_RD(sc, params->lfa_base +
1025 			   offsetof(struct shmem_lfa, req_flow_ctrl));
1026 	req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
1027 	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
1028 		ELINK_DEBUG_P2(sc, "Flow control mismatch %x vs. %x",
1029 			       (saved_val & lfa_mask), (req_val & lfa_mask));
1030 		return LFA_FLOW_CTRL_MISMATCH;
1031 	}
1032 	/* Compare Link Speed */
1033 	saved_val = REG_RD(sc, params->lfa_base +
1034 			   offsetof(struct shmem_lfa, req_line_speed));
1035 	req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
1036 	if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
1037 		ELINK_DEBUG_P2(sc, "Link speed mismatch %x vs. %x",
1038 			       (saved_val & lfa_mask), (req_val & lfa_mask));
1039 		return LFA_LINK_SPEED_MISMATCH;
1040 	}
1041 
1042 	for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
1043 		cur_speed_cap_mask = REG_RD(sc, params->lfa_base +
1044 					    offsetof(struct shmem_lfa,
1045 						     speed_cap_mask[cfg_idx]));
1046 
1047 		if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
1048 			ELINK_DEBUG_P2(sc, "Speed Cap mismatch %x vs. %x",
1049 				       cur_speed_cap_mask,
1050 				       params->speed_cap_mask[cfg_idx]);
1051 			return LFA_SPEED_CAP_MISMATCH;
1052 		}
1053 	}
1054 
1055 	cur_req_fc_auto_adv =
1056 		REG_RD(sc, params->lfa_base +
1057 		       offsetof(struct shmem_lfa, additional_config)) &
1058 		REQ_FC_AUTO_ADV_MASK;
1059 
1060 	if ((uint16_t)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
1061 		ELINK_DEBUG_P2(sc, "Flow Ctrl AN mismatch %x vs. %x",
1062 			       cur_req_fc_auto_adv, params->req_fc_auto_adv);
1063 		return LFA_FLOW_CTRL_MISMATCH;
1064 	}
1065 
1066 	eee_status = REG_RD(sc, params->shmem2_base +
1067 			    offsetof(struct shmem2_region,
1068 				     eee_status[params->port]));
1069 
1070 	if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
1071 	     (params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI)) ||
1072 	    ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
1073 	     (params->eee_mode & ELINK_EEE_MODE_ADV_LPI))) {
1074 		ELINK_DEBUG_P2(sc, "EEE mismatch %x vs. %x", params->eee_mode,
1075 			       eee_status);
1076 		return LFA_EEE_MISMATCH;
1077 	}
1078 
1079 	/* LFA conditions are met */
1080 	return 0;
1081 }
1082 /******************************************************************/
1083 /*			EPIO/GPIO section			  */
1084 /******************************************************************/
1085 static void elink_get_epio(struct bnx2x_softc *sc, uint32_t epio_pin,
1086 			   uint32_t *en)
1087 {
1088 	uint32_t epio_mask, gp_oenable;
1089 	*en = 0;
1090 	/* Sanity check */
1091 	if (epio_pin > 31) {
1092 		ELINK_DEBUG_P1(sc, "Invalid EPIO pin %d to get", epio_pin);
1093 		return;
1094 	}
1095 
1096 	epio_mask = 1 << epio_pin;
1097 	/* Set this EPIO to output */
1098 	gp_oenable = REG_RD(sc, MCP_REG_MCPR_GP_OENABLE);
1099 	REG_WR(sc, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
1100 
1101 	*en = (REG_RD(sc, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
1102 }
1103 static void elink_set_epio(struct bnx2x_softc *sc, uint32_t epio_pin, uint32_t en)
1104 {
1105 	uint32_t epio_mask, gp_output, gp_oenable;
1106 
1107 	/* Sanity check */
1108 	if (epio_pin > 31) {
1109 		ELINK_DEBUG_P1(sc, "Invalid EPIO pin %d to set", epio_pin);
1110 		return;
1111 	}
1112 	ELINK_DEBUG_P2(sc, "Setting EPIO pin %d to %d", epio_pin, en);
1113 	epio_mask = 1 << epio_pin;
1114 	/* Set this EPIO to output */
1115 	gp_output = REG_RD(sc, MCP_REG_MCPR_GP_OUTPUTS);
1116 	if (en)
1117 		gp_output |= epio_mask;
1118 	else
1119 		gp_output &= ~epio_mask;
1120 
1121 	REG_WR(sc, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
1122 
1123 	/* Set the value for this EPIO */
1124 	gp_oenable = REG_RD(sc, MCP_REG_MCPR_GP_OENABLE);
1125 	REG_WR(sc, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
1126 }
1127 
1128 static void elink_set_cfg_pin(struct bnx2x_softc *sc, uint32_t pin_cfg,
1129 			      uint32_t val)
1130 {
1131 	if (pin_cfg == PIN_CFG_NA)
1132 		return;
1133 	if (pin_cfg >= PIN_CFG_EPIO0) {
1134 		elink_set_epio(sc, pin_cfg - PIN_CFG_EPIO0, val);
1135 	} else {
1136 		uint8_t gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
1137 		uint8_t gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
1138 		elink_cb_gpio_write(sc, gpio_num, (uint8_t)val, gpio_port);
1139 	}
1140 }
1141 
1142 static uint32_t elink_get_cfg_pin(struct bnx2x_softc *sc, uint32_t pin_cfg,
1143 				  uint32_t *val)
1144 {
1145 	if (pin_cfg == PIN_CFG_NA)
1146 		return ELINK_STATUS_ERROR;
1147 	if (pin_cfg >= PIN_CFG_EPIO0) {
1148 		elink_get_epio(sc, pin_cfg - PIN_CFG_EPIO0, val);
1149 	} else {
1150 		uint8_t gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
1151 		uint8_t gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
1152 		*val = elink_cb_gpio_read(sc, gpio_num, gpio_port);
1153 	}
1154 	return ELINK_STATUS_OK;
1155 }
1156 
1157 /******************************************************************/
1158 /*				ETS section			  */
1159 /******************************************************************/
1160 static void elink_ets_e2e3a0_disabled(struct elink_params *params)
1161 {
1162 	/* ETS disabled configuration*/
1163 	struct bnx2x_softc *sc = params->sc;
1164 
1165 	ELINK_DEBUG_P0(sc, "ETS E2E3 disabled configuration");
1166 
1167 	/* mapping between entry  priority to client number (0,1,2 -debug and
1168 	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1169 	 * 3bits client num.
1170 	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
1171 	 * cos1-100     cos0-011     dbg1-010     dbg0-001     MCP-000
1172 	 */
1173 
1174 	REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
1175 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1176 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
1177 	 * COS0 entry, 4 - COS1 entry.
1178 	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
1179 	 * bit4   bit3	  bit2   bit1	  bit0
1180 	 * MCP and debug are strict
1181 	 */
1182 
1183 	REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1184 	/* defines which entries (clients) are subjected to WFQ arbitration */
1185 	REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
1186 	/* For strict priority entries defines the number of consecutive
1187 	 * slots for the highest priority.
1188 	 */
1189 	REG_WR(sc, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1190 	/* mapping between the CREDIT_WEIGHT registers and actual client
1191 	 * numbers
1192 	 */
1193 	REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
1194 	REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
1195 	REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
1196 
1197 	REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
1198 	REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
1199 	REG_WR(sc, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
1200 	/* ETS mode disable */
1201 	REG_WR(sc, PBF_REG_ETS_ENABLED, 0);
1202 	/* If ETS mode is enabled (there is no strict priority) defines a WFQ
1203 	 * weight for COS0/COS1.
1204 	 */
1205 	REG_WR(sc, PBF_REG_COS0_WEIGHT, 0x2710);
1206 	REG_WR(sc, PBF_REG_COS1_WEIGHT, 0x2710);
1207 	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
1208 	REG_WR(sc, PBF_REG_COS0_UPPER_BOUND, 0x989680);
1209 	REG_WR(sc, PBF_REG_COS1_UPPER_BOUND, 0x989680);
1210 	/* Defines the number of consecutive slots for the strict priority */
1211 	REG_WR(sc, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
1212 }
1213 /******************************************************************************
1214  * Description:
1215  *	Getting min_w_val will be set according to line speed .
1216  *.
1217  ******************************************************************************/
1218 static uint32_t elink_ets_get_min_w_val_nig(const struct elink_vars *vars)
1219 {
1220 	uint32_t min_w_val = 0;
1221 	/* Calculate min_w_val.*/
1222 	if (vars->link_up) {
1223 		if (vars->line_speed == ELINK_SPEED_20000)
1224 			min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
1225 		else
1226 			min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
1227 	} else {
1228 		min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
1229 	}
1230 	/* If the link isn't up (static configuration for example ) The
1231 	 * link will be according to 20GBPS.
1232 	 */
1233 	return min_w_val;
1234 }
1235 /******************************************************************************
1236  * Description:
1237  *	Getting credit upper bound form min_w_val.
1238  *.
1239  ******************************************************************************/
1240 static uint32_t elink_ets_get_credit_upper_bound(const uint32_t min_w_val)
1241 {
1242 	const uint32_t credit_upper_bound = (uint32_t)
1243 						ELINK_MAXVAL((150 * min_w_val),
1244 							ELINK_MAX_PACKET_SIZE);
1245 	return credit_upper_bound;
1246 }
1247 /******************************************************************************
1248  * Description:
1249  *	Set credit upper bound for NIG.
1250  *.
1251  ******************************************************************************/
1252 static void elink_ets_e3b0_set_credit_upper_bound_nig(
1253 	const struct elink_params *params,
1254 	const uint32_t min_w_val)
1255 {
1256 	struct bnx2x_softc *sc = params->sc;
1257 	const uint8_t port = params->port;
1258 	const uint32_t credit_upper_bound =
1259 	    elink_ets_get_credit_upper_bound(min_w_val);
1260 
1261 	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
1262 		NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
1263 	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
1264 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
1265 	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
1266 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
1267 	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
1268 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
1269 	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
1270 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
1271 	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
1272 		   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
1273 
1274 	if (!port) {
1275 		REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
1276 			credit_upper_bound);
1277 		REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
1278 			credit_upper_bound);
1279 		REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
1280 			credit_upper_bound);
1281 	}
1282 }
1283 /******************************************************************************
1284  * Description:
1285  *	Will return the NIG ETS registers to init values.Except
1286  *	credit_upper_bound.
1287  *	That isn't used in this configuration (No WFQ is enabled) and will be
1288  *	configured according to spec
1289  *.
1290  ******************************************************************************/
1291 static void elink_ets_e3b0_nig_disabled(const struct elink_params *params,
1292 					const struct elink_vars *vars)
1293 {
1294 	struct bnx2x_softc *sc = params->sc;
1295 	const uint8_t port = params->port;
1296 	const uint32_t min_w_val = elink_ets_get_min_w_val_nig(vars);
1297 	/* Mapping between entry  priority to client number (0,1,2 -debug and
1298 	 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
1299 	 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
1300 	 * reset value or init tool
1301 	 */
1302 	if (port) {
1303 		REG_WR(sc, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
1304 		REG_WR(sc, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
1305 	} else {
1306 		REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
1307 		REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
1308 	}
1309 	/* For strict priority entries defines the number of consecutive
1310 	 * slots for the highest priority.
1311 	 */
1312 	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
1313 		   NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1314 	/* Mapping between the CREDIT_WEIGHT registers and actual client
1315 	 * numbers
1316 	 */
1317 	if (port) {
1318 		/*Port 1 has 6 COS*/
1319 		REG_WR(sc, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
1320 		REG_WR(sc, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
1321 	} else {
1322 		/*Port 0 has 9 COS*/
1323 		REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
1324 		       0x43210876);
1325 		REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
1326 	}
1327 
1328 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1329 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 -
1330 	 * COS0 entry, 4 - COS1 entry.
1331 	 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
1332 	 * bit4   bit3	  bit2   bit1	  bit0
1333 	 * MCP and debug are strict
1334 	 */
1335 	if (port)
1336 		REG_WR(sc, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
1337 	else
1338 		REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
1339 	/* defines which entries (clients) are subjected to WFQ arbitration */
1340 	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
1341 		   NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
1342 
1343 	/* Please notice the register address are note continuous and a
1344 	 * for here is note appropriate.In 2 port mode port0 only COS0-5
1345 	 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
1346 	 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
1347 	 * are never used for WFQ
1348 	 */
1349 	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
1350 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
1351 	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
1352 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
1353 	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
1354 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
1355 	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
1356 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
1357 	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
1358 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
1359 	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
1360 		   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
1361 	if (!port) {
1362 		REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
1363 		REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
1364 		REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
1365 	}
1366 
1367 	elink_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
1368 }
1369 /******************************************************************************
1370  * Description:
1371  *	Set credit upper bound for PBF.
1372  *.
1373  ******************************************************************************/
1374 static void elink_ets_e3b0_set_credit_upper_bound_pbf(
1375 	const struct elink_params *params,
1376 	const uint32_t min_w_val)
1377 {
1378 	struct bnx2x_softc *sc = params->sc;
1379 	const uint32_t credit_upper_bound =
1380 	    elink_ets_get_credit_upper_bound(min_w_val);
1381 	const uint8_t port = params->port;
1382 	uint32_t base_upper_bound = 0;
1383 	uint8_t max_cos = 0;
1384 	uint8_t i = 0;
1385 	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
1386 	 * port mode port1 has COS0-2 that can be used for WFQ.
1387 	 */
1388 	if (!port) {
1389 		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
1390 		max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
1391 	} else {
1392 		base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
1393 		max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1;
1394 	}
1395 
1396 	for (i = 0; i < max_cos; i++)
1397 		REG_WR(sc, base_upper_bound + (i << 2), credit_upper_bound);
1398 }
1399 
1400 /******************************************************************************
1401  * Description:
1402  *	Will return the PBF ETS registers to init values.Except
1403  *	credit_upper_bound.
1404  *	That isn't used in this configuration (No WFQ is enabled) and will be
1405  *	configured according to spec
1406  *.
1407  ******************************************************************************/
1408 static void elink_ets_e3b0_pbf_disabled(const struct elink_params *params)
1409 {
1410 	struct bnx2x_softc *sc = params->sc;
1411 	const uint8_t port = params->port;
1412 	const uint32_t min_w_val_pbf = ELINK_ETS_E3B0_PBF_MIN_W_VAL;
1413 	uint8_t i = 0;
1414 	uint32_t base_weight = 0;
1415 	uint8_t max_cos = 0;
1416 
1417 	/* Mapping between entry  priority to client number 0 - COS0
1418 	 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
1419 	 * TODO_ETS - Should be done by reset value or init tool
1420 	 */
1421 	if (port)
1422 		/*  0x688 (|011|0 10|00 1|000) */
1423 		REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1, 0x688);
1424 	else
1425 		/*  (10 1|100 |011|0 10|00 1|000) */
1426 		REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0, 0x2C688);
1427 
1428 	/* TODO_ETS - Should be done by reset value or init tool */
1429 	if (port)
1430 		/* 0x688 (|011|0 10|00 1|000)*/
1431 		REG_WR(sc, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
1432 	else
1433 	/* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
1434 	REG_WR(sc, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
1435 
1436 	REG_WR(sc, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
1437 		   PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0, 0x100);
1438 
1439 
1440 	REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
1441 		   PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0, 0);
1442 
1443 	REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
1444 		   PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0, 0);
1445 	/* In 2 port mode port0 has COS0-5 that can be used for WFQ.
1446 	 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
1447 	 */
1448 	if (!port) {
1449 		base_weight = PBF_REG_COS0_WEIGHT_P0;
1450 		max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
1451 	} else {
1452 		base_weight = PBF_REG_COS0_WEIGHT_P1;
1453 		max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1;
1454 	}
1455 
1456 	for (i = 0; i < max_cos; i++)
1457 		REG_WR(sc, base_weight + (0x4 * i), 0);
1458 
1459 	elink_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1460 }
1461 /******************************************************************************
1462  * Description:
1463  *	E3B0 disable will return basicly the values to init values.
1464  *.
1465  ******************************************************************************/
1466 static elink_status_t elink_ets_e3b0_disabled(const struct elink_params *params,
1467 				   const struct elink_vars *vars)
1468 {
1469 	struct bnx2x_softc *sc = params->sc;
1470 
1471 	if (!CHIP_IS_E3B0(sc)) {
1472 		ELINK_DEBUG_P0(sc,
1473 		   "elink_ets_e3b0_disabled the chip isn't E3B0");
1474 		return ELINK_STATUS_ERROR;
1475 	}
1476 
1477 	elink_ets_e3b0_nig_disabled(params, vars);
1478 
1479 	elink_ets_e3b0_pbf_disabled(params);
1480 
1481 	return ELINK_STATUS_OK;
1482 }
1483 
1484 /******************************************************************************
1485  * Description:
1486  *	Disable will return basicly the values to init values.
1487  *
1488  ******************************************************************************/
1489 elink_status_t elink_ets_disabled(struct elink_params *params,
1490 		      struct elink_vars *vars)
1491 {
1492 	struct bnx2x_softc *sc = params->sc;
1493 	elink_status_t elink_status = ELINK_STATUS_OK;
1494 
1495 	if ((CHIP_IS_E2(sc)) || (CHIP_IS_E3A0(sc))) {
1496 		elink_ets_e2e3a0_disabled(params);
1497 	} else if (CHIP_IS_E3B0(sc)) {
1498 		elink_status = elink_ets_e3b0_disabled(params, vars);
1499 	} else {
1500 		ELINK_DEBUG_P0(sc, "elink_ets_disabled - chip not supported");
1501 		return ELINK_STATUS_ERROR;
1502 	}
1503 
1504 	return elink_status;
1505 }
1506 
1507 /******************************************************************************
1508  * Description
1509  *	Set the COS mappimg to SP and BW until this point all the COS are not
1510  *	set as SP or BW.
1511  ******************************************************************************/
1512 static elink_status_t elink_ets_e3b0_cli_map(const struct elink_params *params,
1513 		  __rte_unused const struct elink_ets_params *ets_params,
1514 		  const uint8_t cos_sp_bitmap,
1515 		  const uint8_t cos_bw_bitmap)
1516 {
1517 	struct bnx2x_softc *sc = params->sc;
1518 	const uint8_t port = params->port;
1519 	const uint8_t nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
1520 	const uint8_t pbf_cli_sp_bitmap = cos_sp_bitmap;
1521 	const uint8_t nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
1522 	const uint8_t pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
1523 
1524 	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
1525 	       NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
1526 
1527 	REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
1528 	       PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0, pbf_cli_sp_bitmap);
1529 
1530 	REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
1531 	       NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
1532 	       nig_cli_subject2wfq_bitmap);
1533 
1534 	REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
1535 	       PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
1536 	       pbf_cli_subject2wfq_bitmap);
1537 
1538 	return ELINK_STATUS_OK;
1539 }
1540 
1541 /******************************************************************************
1542  * Description:
1543  *	This function is needed because NIG ARB_CREDIT_WEIGHT_X are
1544  *	not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
1545  ******************************************************************************/
1546 static elink_status_t elink_ets_e3b0_set_cos_bw(struct bnx2x_softc *sc,
1547 				     const uint8_t cos_entry,
1548 				     const uint32_t min_w_val_nig,
1549 				     const uint32_t min_w_val_pbf,
1550 				     const uint16_t total_bw,
1551 				     const uint8_t bw,
1552 				     const uint8_t port)
1553 {
1554 	uint32_t nig_reg_address_crd_weight = 0;
1555 	uint32_t pbf_reg_address_crd_weight = 0;
1556 	/* Calculate and set BW for this COS - use 1 instead of 0 for BW */
1557 	const uint32_t cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
1558 	const uint32_t cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
1559 
1560 	switch (cos_entry) {
1561 	case 0:
1562 	    nig_reg_address_crd_weight =
1563 		 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
1564 		     NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
1565 	     pbf_reg_address_crd_weight = (port) ?
1566 		 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
1567 		break;
1568 	case 1:
1569 	     nig_reg_address_crd_weight = (port) ?
1570 		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
1571 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
1572 	     pbf_reg_address_crd_weight = (port) ?
1573 		 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
1574 		break;
1575 	case 2:
1576 	     nig_reg_address_crd_weight = (port) ?
1577 		 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
1578 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
1579 
1580 		 pbf_reg_address_crd_weight = (port) ?
1581 		     PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
1582 		break;
1583 	case 3:
1584 		if (port)
1585 			return ELINK_STATUS_ERROR;
1586 		nig_reg_address_crd_weight =
1587 			NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
1588 		pbf_reg_address_crd_weight =
1589 			PBF_REG_COS3_WEIGHT_P0;
1590 		break;
1591 	case 4:
1592 		if (port)
1593 		return ELINK_STATUS_ERROR;
1594 	     nig_reg_address_crd_weight =
1595 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
1596 	     pbf_reg_address_crd_weight = PBF_REG_COS4_WEIGHT_P0;
1597 		break;
1598 	case 5:
1599 		if (port)
1600 		return ELINK_STATUS_ERROR;
1601 	     nig_reg_address_crd_weight =
1602 		 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
1603 	     pbf_reg_address_crd_weight = PBF_REG_COS5_WEIGHT_P0;
1604 		break;
1605 	}
1606 
1607 	REG_WR(sc, nig_reg_address_crd_weight, cos_bw_nig);
1608 
1609 	REG_WR(sc, pbf_reg_address_crd_weight, cos_bw_pbf);
1610 
1611 	return ELINK_STATUS_OK;
1612 }
1613 /******************************************************************************
1614  * Description:
1615  *	Calculate the total BW.A value of 0 isn't legal.
1616  *
1617  ******************************************************************************/
1618 static elink_status_t elink_ets_e3b0_get_total_bw(
1619 	const struct elink_params *params,
1620 	struct elink_ets_params *ets_params,
1621 	uint16_t *total_bw)
1622 {
1623 	struct bnx2x_softc *sc = params->sc;
1624 	uint8_t cos_idx = 0;
1625 	uint8_t is_bw_cos_exist = 0;
1626 
1627 	*total_bw = 0;
1628 	/* Calculate total BW requested */
1629 	for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
1630 		if (ets_params->cos[cos_idx].state == elink_cos_state_bw) {
1631 			is_bw_cos_exist = 1;
1632 			if (!ets_params->cos[cos_idx].params.bw_params.bw) {
1633 				ELINK_DEBUG_P0(sc, "elink_ets_E3B0_config BW"
1634 						   " was set to 0");
1635 				/* This is to prevent a state when ramrods
1636 				 * can't be sent
1637 				 */
1638 				ets_params->cos[cos_idx].params.bw_params.bw
1639 					 = 1;
1640 			}
1641 			*total_bw +=
1642 				ets_params->cos[cos_idx].params.bw_params.bw;
1643 		}
1644 	}
1645 
1646 	/* Check total BW is valid */
1647 	if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
1648 		if (*total_bw == 0) {
1649 			ELINK_DEBUG_P0(sc,
1650 			   "elink_ets_E3B0_config total BW shouldn't be 0");
1651 			return ELINK_STATUS_ERROR;
1652 		}
1653 		ELINK_DEBUG_P0(sc,
1654 		   "elink_ets_E3B0_config total BW should be 100");
1655 		/* We can handle a case whre the BW isn't 100 this can happen
1656 		 * if the TC are joined.
1657 		 */
1658 	}
1659 	return ELINK_STATUS_OK;
1660 }
1661 
1662 /******************************************************************************
1663  * Description:
1664  *	Invalidate all the sp_pri_to_cos.
1665  *
1666  ******************************************************************************/
1667 static void elink_ets_e3b0_sp_pri_to_cos_init(uint8_t *sp_pri_to_cos)
1668 {
1669 	uint8_t pri = 0;
1670 	for (pri = 0; pri < ELINK_DCBX_MAX_NUM_COS; pri++)
1671 		sp_pri_to_cos[pri] = DCBX_INVALID_COS;
1672 }
1673 /******************************************************************************
1674  * Description:
1675  *	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1676  *	according to sp_pri_to_cos.
1677  *
1678  ******************************************************************************/
1679 static elink_status_t elink_ets_e3b0_sp_pri_to_cos_set(
1680 					    const struct elink_params *params,
1681 					    uint8_t *sp_pri_to_cos,
1682 					    const uint8_t pri,
1683 					    const uint8_t cos_entry)
1684 {
1685 	struct bnx2x_softc *sc = params->sc;
1686 	const uint8_t port = params->port;
1687 	const uint8_t max_num_of_cos = (port) ?
1688 		ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 :
1689 		ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
1690 
1691 	if (pri >= max_num_of_cos) {
1692 		ELINK_DEBUG_P0(sc, "elink_ets_e3b0_sp_pri_to_cos_set invalid "
1693 		   "parameter Illegal strict priority");
1694 		return ELINK_STATUS_ERROR;
1695 	}
1696 
1697 	if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
1698 		ELINK_DEBUG_P0(sc, "elink_ets_e3b0_sp_pri_to_cos_set invalid "
1699 				   "parameter There can't be two COS's with "
1700 				   "the same strict pri");
1701 		return ELINK_STATUS_ERROR;
1702 	}
1703 
1704 	sp_pri_to_cos[pri] = cos_entry;
1705 	return ELINK_STATUS_OK;
1706 }
1707 
1708 /******************************************************************************
1709  * Description:
1710  *	Returns the correct value according to COS and priority in
1711  *	the sp_pri_cli register.
1712  *
1713  ******************************************************************************/
1714 static uint64_t elink_e3b0_sp_get_pri_cli_reg(const uint8_t cos,
1715 					 const uint8_t cos_offset,
1716 					 const uint8_t pri_set,
1717 					 const uint8_t pri_offset,
1718 					 const uint8_t entry_size)
1719 {
1720 	uint64_t pri_cli_nig = 0;
1721 	pri_cli_nig = ((uint64_t)(cos + cos_offset)) << (entry_size *
1722 						    (pri_set + pri_offset));
1723 
1724 	return pri_cli_nig;
1725 }
1726 /******************************************************************************
1727  * Description:
1728  *	Returns the correct value according to COS and priority in the
1729  *	sp_pri_cli register for NIG.
1730  *
1731  ******************************************************************************/
1732 static uint64_t elink_e3b0_sp_get_pri_cli_reg_nig(const uint8_t cos,
1733 						  const uint8_t pri_set)
1734 {
1735 	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
1736 	const uint8_t nig_cos_offset = 3;
1737 	const uint8_t nig_pri_offset = 3;
1738 
1739 	return elink_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
1740 		nig_pri_offset, 4);
1741 }
1742 
1743 /******************************************************************************
1744  * Description:
1745  *	Returns the correct value according to COS and priority in the
1746  *	sp_pri_cli register for PBF.
1747  *
1748  ******************************************************************************/
1749 static uint64_t elink_e3b0_sp_get_pri_cli_reg_pbf(const uint8_t cos,
1750 						  const uint8_t pri_set)
1751 {
1752 	const uint8_t pbf_cos_offset = 0;
1753 	const uint8_t pbf_pri_offset = 0;
1754 
1755 	return elink_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
1756 		pbf_pri_offset, 3);
1757 }
1758 
1759 /******************************************************************************
1760  * Description:
1761  *	Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1762  *	according to sp_pri_to_cos.(which COS has higher priority)
1763  *
1764  ******************************************************************************/
1765 static elink_status_t elink_ets_e3b0_sp_set_pri_cli_reg(
1766 					     const struct elink_params *params,
1767 					     uint8_t *sp_pri_to_cos)
1768 {
1769 	struct bnx2x_softc *sc = params->sc;
1770 	uint8_t i = 0;
1771 	const uint8_t port = params->port;
1772 	/* MCP Dbg0 and dbg1 are always with higher strict pri*/
1773 	uint64_t pri_cli_nig = 0x210;
1774 	uint32_t pri_cli_pbf = 0x0;
1775 	uint8_t pri_set = 0;
1776 	uint8_t pri_bitmask = 0;
1777 	const uint8_t max_num_of_cos = (port) ?
1778 		ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 :
1779 		ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
1780 
1781 	uint8_t cos_bit_to_set = (1 << max_num_of_cos) - 1;
1782 
1783 	/* Set all the strict priority first */
1784 	for (i = 0; i < max_num_of_cos; i++) {
1785 		if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1786 			if (sp_pri_to_cos[i] >= ELINK_DCBX_MAX_NUM_COS) {
1787 				ELINK_DEBUG_P0(sc,
1788 					   "elink_ets_e3b0_sp_set_pri_cli_reg "
1789 					   "invalid cos entry");
1790 				return ELINK_STATUS_ERROR;
1791 			}
1792 
1793 			pri_cli_nig |= elink_e3b0_sp_get_pri_cli_reg_nig(
1794 			    sp_pri_to_cos[i], pri_set);
1795 
1796 			pri_cli_pbf |= elink_e3b0_sp_get_pri_cli_reg_pbf(
1797 			    sp_pri_to_cos[i], pri_set);
1798 			pri_bitmask = 1 << sp_pri_to_cos[i];
1799 			/* COS is used remove it from bitmap.*/
1800 			if (!(pri_bitmask & cos_bit_to_set)) {
1801 				ELINK_DEBUG_P0(sc,
1802 					"elink_ets_e3b0_sp_set_pri_cli_reg "
1803 					"invalid There can't be two COS's with"
1804 					" the same strict pri");
1805 				return ELINK_STATUS_ERROR;
1806 			}
1807 			cos_bit_to_set &= ~pri_bitmask;
1808 			pri_set++;
1809 		}
1810 	}
1811 
1812 	/* Set all the Non strict priority i= COS*/
1813 	for (i = 0; i < max_num_of_cos; i++) {
1814 		pri_bitmask = 1 << i;
1815 		/* Check if COS was already used for SP */
1816 		if (pri_bitmask & cos_bit_to_set) {
1817 			/* COS wasn't used for SP */
1818 			pri_cli_nig |= elink_e3b0_sp_get_pri_cli_reg_nig(
1819 			    i, pri_set);
1820 
1821 			pri_cli_pbf |= elink_e3b0_sp_get_pri_cli_reg_pbf(
1822 			    i, pri_set);
1823 			/* COS is used remove it from bitmap.*/
1824 			cos_bit_to_set &= ~pri_bitmask;
1825 			pri_set++;
1826 		}
1827 	}
1828 
1829 	if (pri_set != max_num_of_cos) {
1830 		ELINK_DEBUG_P0(sc, "elink_ets_e3b0_sp_set_pri_cli_reg not all "
1831 				   "entries were set");
1832 		return ELINK_STATUS_ERROR;
1833 	}
1834 
1835 	if (port) {
1836 		/* Only 6 usable clients*/
1837 		REG_WR(sc, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1838 		       (uint32_t)pri_cli_nig);
1839 
1840 		REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1, pri_cli_pbf);
1841 	} else {
1842 		/* Only 9 usable clients*/
1843 		const uint32_t pri_cli_nig_lsb = (uint32_t)(pri_cli_nig);
1844 		const uint32_t pri_cli_nig_msb = (uint32_t)
1845 						((pri_cli_nig >> 32) & 0xF);
1846 
1847 		REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1848 		       pri_cli_nig_lsb);
1849 		REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1850 		       pri_cli_nig_msb);
1851 
1852 		REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0, pri_cli_pbf);
1853 	}
1854 	return ELINK_STATUS_OK;
1855 }
1856 
1857 /******************************************************************************
1858  * Description:
1859  *	Configure the COS to ETS according to BW and SP settings.
1860  ******************************************************************************/
1861 elink_status_t elink_ets_e3b0_config(const struct elink_params *params,
1862 			 const struct elink_vars *vars,
1863 			 struct elink_ets_params *ets_params)
1864 {
1865 	struct bnx2x_softc *sc = params->sc;
1866 	elink_status_t elink_status = ELINK_STATUS_OK;
1867 	const uint8_t port = params->port;
1868 	uint16_t total_bw = 0;
1869 	const uint32_t min_w_val_nig = elink_ets_get_min_w_val_nig(vars);
1870 	const uint32_t min_w_val_pbf = ELINK_ETS_E3B0_PBF_MIN_W_VAL;
1871 	uint8_t cos_bw_bitmap = 0;
1872 	uint8_t cos_sp_bitmap = 0;
1873 	uint8_t sp_pri_to_cos[ELINK_DCBX_MAX_NUM_COS] = {0};
1874 	const uint8_t max_num_of_cos = (port) ?
1875 		ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 :
1876 		ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
1877 	uint8_t cos_entry = 0;
1878 
1879 	if (!CHIP_IS_E3B0(sc)) {
1880 		ELINK_DEBUG_P0(sc,
1881 		   "elink_ets_e3b0_disabled the chip isn't E3B0");
1882 		return ELINK_STATUS_ERROR;
1883 	}
1884 
1885 	if (ets_params->num_of_cos > max_num_of_cos) {
1886 		ELINK_DEBUG_P0(sc, "elink_ets_E3B0_config the number of COS "
1887 				   "isn't supported");
1888 		return ELINK_STATUS_ERROR;
1889 	}
1890 
1891 	/* Prepare sp strict priority parameters*/
1892 	elink_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1893 
1894 	/* Prepare BW parameters*/
1895 	elink_status = elink_ets_e3b0_get_total_bw(params, ets_params,
1896 						   &total_bw);
1897 	if (elink_status != ELINK_STATUS_OK) {
1898 		ELINK_DEBUG_P0(sc,
1899 		   "elink_ets_E3B0_config get_total_bw failed");
1900 		return ELINK_STATUS_ERROR;
1901 	}
1902 
1903 	/* Upper bound is set according to current link speed (min_w_val
1904 	 * should be the same for upper bound and COS credit val).
1905 	 */
1906 	elink_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1907 	elink_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1908 
1909 
1910 	for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1911 		if (elink_cos_state_bw == ets_params->cos[cos_entry].state) {
1912 			cos_bw_bitmap |= (1 << cos_entry);
1913 			/* The function also sets the BW in HW(not the mappin
1914 			 * yet)
1915 			 */
1916 			elink_status = elink_ets_e3b0_set_cos_bw(
1917 				sc, cos_entry, min_w_val_nig, min_w_val_pbf,
1918 				total_bw,
1919 				ets_params->cos[cos_entry].params.bw_params.bw,
1920 				 port);
1921 		} else if (elink_cos_state_strict ==
1922 			ets_params->cos[cos_entry].state){
1923 			cos_sp_bitmap |= (1 << cos_entry);
1924 
1925 			elink_status = elink_ets_e3b0_sp_pri_to_cos_set(
1926 				params,
1927 				sp_pri_to_cos,
1928 				ets_params->cos[cos_entry].params.sp_params.pri,
1929 				cos_entry);
1930 
1931 		} else {
1932 			ELINK_DEBUG_P0(sc,
1933 			   "elink_ets_e3b0_config cos state not valid");
1934 			return ELINK_STATUS_ERROR;
1935 		}
1936 		if (elink_status != ELINK_STATUS_OK) {
1937 			ELINK_DEBUG_P0(sc,
1938 			   "elink_ets_e3b0_config set cos bw failed");
1939 			return elink_status;
1940 		}
1941 	}
1942 
1943 	/* Set SP register (which COS has higher priority) */
1944 	elink_status = elink_ets_e3b0_sp_set_pri_cli_reg(params,
1945 							 sp_pri_to_cos);
1946 
1947 	if (elink_status != ELINK_STATUS_OK) {
1948 		ELINK_DEBUG_P0(sc,
1949 		   "elink_ets_E3B0_config set_pri_cli_reg failed");
1950 		return elink_status;
1951 	}
1952 
1953 	/* Set client mapping of BW and strict */
1954 	elink_status = elink_ets_e3b0_cli_map(params, ets_params,
1955 					      cos_sp_bitmap,
1956 					      cos_bw_bitmap);
1957 
1958 	if (elink_status != ELINK_STATUS_OK) {
1959 		ELINK_DEBUG_P0(sc, "elink_ets_E3B0_config SP failed");
1960 		return elink_status;
1961 	}
1962 	return ELINK_STATUS_OK;
1963 }
1964 static void elink_ets_bw_limit_common(const struct elink_params *params)
1965 {
1966 	/* ETS disabled configuration */
1967 	struct bnx2x_softc *sc = params->sc;
1968 	ELINK_DEBUG_P0(sc, "ETS enabled BW limit configuration");
1969 	/* Defines which entries (clients) are subjected to WFQ arbitration
1970 	 * COS0 0x8
1971 	 * COS1 0x10
1972 	 */
1973 	REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
1974 	/* Mapping between the ARB_CREDIT_WEIGHT registers and actual
1975 	 * client numbers (WEIGHT_0 does not actually have to represent
1976 	 * client 0)
1977 	 *    PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
1978 	 *  cos1-001     cos0-000     dbg1-100     dbg0-011     MCP-010
1979 	 */
1980 	REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1981 
1982 	REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1983 	       ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1984 	REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1985 	       ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1986 
1987 	/* ETS mode enabled*/
1988 	REG_WR(sc, PBF_REG_ETS_ENABLED, 1);
1989 
1990 	/* Defines the number of consecutive slots for the strict priority */
1991 	REG_WR(sc, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
1992 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1993 	 * as strict.  Bits 0,1,2 - debug and management entries, 3 - COS0
1994 	 * entry, 4 - COS1 entry.
1995 	 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1996 	 * bit4   bit3	  bit2     bit1	   bit0
1997 	 * MCP and debug are strict
1998 	 */
1999 	REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
2000 
2001 	/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
2002 	REG_WR(sc, PBF_REG_COS0_UPPER_BOUND,
2003 	       ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
2004 	REG_WR(sc, PBF_REG_COS1_UPPER_BOUND,
2005 	       ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
2006 }
2007 
2008 void elink_ets_bw_limit(const struct elink_params *params,
2009 			const uint32_t cos0_bw,
2010 			const uint32_t cos1_bw)
2011 {
2012 	/* ETS disabled configuration*/
2013 	struct bnx2x_softc *sc = params->sc;
2014 	const uint32_t total_bw = cos0_bw + cos1_bw;
2015 	uint32_t cos0_credit_weight = 0;
2016 	uint32_t cos1_credit_weight = 0;
2017 
2018 	ELINK_DEBUG_P0(sc, "ETS enabled BW limit configuration");
2019 
2020 	if ((!total_bw) ||
2021 	    (!cos0_bw) ||
2022 	    (!cos1_bw)) {
2023 		ELINK_DEBUG_P0(sc, "Total BW can't be zero");
2024 		return;
2025 	}
2026 
2027 	cos0_credit_weight = (cos0_bw * ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT) /
2028 		total_bw;
2029 	cos1_credit_weight = (cos1_bw * ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT) /
2030 		total_bw;
2031 
2032 	elink_ets_bw_limit_common(params);
2033 
2034 	REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
2035 	REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
2036 
2037 	REG_WR(sc, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
2038 	REG_WR(sc, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
2039 }
2040 
2041 elink_status_t elink_ets_strict(const struct elink_params *params,
2042 				const uint8_t strict_cos)
2043 {
2044 	/* ETS disabled configuration*/
2045 	struct bnx2x_softc *sc = params->sc;
2046 	uint32_t val	= 0;
2047 
2048 	ELINK_DEBUG_P0(sc, "ETS enabled strict configuration");
2049 	/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
2050 	 * as strict.  Bits 0,1,2 - debug and management entries,
2051 	 * 3 - COS0 entry, 4 - COS1 entry.
2052 	 *  COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
2053 	 *  bit4   bit3	  bit2      bit1     bit0
2054 	 * MCP and debug are strict
2055 	 */
2056 	REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
2057 	/* For strict priority entries defines the number of consecutive slots
2058 	 * for the highest priority.
2059 	 */
2060 	REG_WR(sc, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
2061 	/* ETS mode disable */
2062 	REG_WR(sc, PBF_REG_ETS_ENABLED, 0);
2063 	/* Defines the number of consecutive slots for the strict priority */
2064 	REG_WR(sc, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
2065 
2066 	/* Defines the number of consecutive slots for the strict priority */
2067 	REG_WR(sc, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
2068 
2069 	/* Mapping between entry  priority to client number (0,1,2 -debug and
2070 	 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
2071 	 * 3bits client num.
2072 	 *   PRI4    |    PRI3    |    PRI2    |    PRI1    |    PRI0
2073 	 * dbg0-010     dbg1-001     cos1-100     cos0-011     MCP-000
2074 	 * dbg0-010     dbg1-001     cos0-011     cos1-100     MCP-000
2075 	 */
2076 	val = (!strict_cos) ? 0x2318 : 0x22E0;
2077 	REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
2078 
2079 	return ELINK_STATUS_OK;
2080 }
2081 
2082 /******************************************************************/
2083 /*			PFC section				  */
2084 /******************************************************************/
2085 static void elink_update_pfc_xmac(struct elink_params *params,
2086 				  struct elink_vars *vars,
2087 				  __rte_unused uint8_t is_lb)
2088 {
2089 	struct bnx2x_softc *sc = params->sc;
2090 	uint32_t xmac_base;
2091 	uint32_t pause_val, pfc0_val, pfc1_val;
2092 
2093 	/* XMAC base adrr */
2094 	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
2095 
2096 	/* Initialize pause and pfc registers */
2097 	pause_val = 0x18000;
2098 	pfc0_val = 0xFFFF8000;
2099 	pfc1_val = 0x2;
2100 
2101 	/* No PFC support */
2102 	if (!(params->feature_config_flags &
2103 	      ELINK_FEATURE_CONFIG_PFC_ENABLED)) {
2104 
2105 		/* RX flow control - Process pause frame in receive direction
2106 		 */
2107 		if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX)
2108 			pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
2109 
2110 		/* TX flow control - Send pause packet when buffer is full */
2111 		if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)
2112 			pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
2113 	} else {/* PFC support */
2114 		pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
2115 			XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
2116 			XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
2117 			XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
2118 			XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
2119 		/* Write pause and PFC registers */
2120 		REG_WR(sc, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
2121 		REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
2122 		REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
2123 		pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
2124 
2125 	}
2126 
2127 	/* Write pause and PFC registers */
2128 	REG_WR(sc, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
2129 	REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
2130 	REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
2131 
2132 
2133 	/* Set MAC address for source TX Pause/PFC frames */
2134 	REG_WR(sc, xmac_base + XMAC_REG_CTRL_SA_LO,
2135 	       ((params->mac_addr[2] << 24) |
2136 		(params->mac_addr[3] << 16) |
2137 		(params->mac_addr[4] << 8) |
2138 		(params->mac_addr[5])));
2139 	REG_WR(sc, xmac_base + XMAC_REG_CTRL_SA_HI,
2140 	       ((params->mac_addr[0] << 8) |
2141 		(params->mac_addr[1])));
2142 
2143 	DELAY(30);
2144 }
2145 
2146 static void elink_emac_get_pfc_stat(struct elink_params *params,
2147 				    uint32_t pfc_frames_sent[2],
2148 				    uint32_t pfc_frames_received[2])
2149 {
2150 	/* Read pfc statistic */
2151 	struct bnx2x_softc *sc = params->sc;
2152 	uint32_t emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2153 	uint32_t val_xon = 0;
2154 	uint32_t val_xoff = 0;
2155 
2156 	ELINK_DEBUG_P0(sc, "pfc statistic read from EMAC");
2157 
2158 	/* PFC received frames */
2159 	val_xoff = REG_RD(sc, emac_base +
2160 				EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
2161 	val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
2162 	val_xon = REG_RD(sc, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
2163 	val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
2164 
2165 	pfc_frames_received[0] = val_xon + val_xoff;
2166 
2167 	/* PFC received sent */
2168 	val_xoff = REG_RD(sc, emac_base +
2169 				EMAC_REG_RX_PFC_STATS_XOFF_SENT);
2170 	val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
2171 	val_xon = REG_RD(sc, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
2172 	val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
2173 
2174 	pfc_frames_sent[0] = val_xon + val_xoff;
2175 }
2176 
2177 /* Read pfc statistic*/
2178 void elink_pfc_statistic(struct elink_params *params, struct elink_vars *vars,
2179 			 uint32_t pfc_frames_sent[2],
2180 			 uint32_t pfc_frames_received[2])
2181 {
2182 	/* Read pfc statistic */
2183 	struct bnx2x_softc *sc = params->sc;
2184 
2185 	ELINK_DEBUG_P0(sc, "pfc statistic");
2186 
2187 	if (!vars->link_up)
2188 		return;
2189 
2190 	if (vars->mac_type == ELINK_MAC_TYPE_EMAC) {
2191 		ELINK_DEBUG_P0(sc, "About to read PFC stats from EMAC");
2192 		elink_emac_get_pfc_stat(params, pfc_frames_sent,
2193 					pfc_frames_received);
2194 	}
2195 }
2196 /******************************************************************/
2197 /*			MAC/PBF section				  */
2198 /******************************************************************/
2199 static void elink_set_mdio_clk(struct bnx2x_softc *sc,
2200 			       __rte_unused uint32_t chip_id,
2201 			       uint32_t emac_base)
2202 {
2203 	uint32_t new_mode, cur_mode;
2204 	uint32_t clc_cnt;
2205 	/* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
2206 	 * (a value of 49==0x31) and make sure that the AUTO poll is off
2207 	 */
2208 	cur_mode = REG_RD(sc, emac_base + EMAC_REG_EMAC_MDIO_MODE);
2209 
2210 	if (USES_WARPCORE(sc))
2211 		clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
2212 	else
2213 		clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
2214 
2215 	if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
2216 	    (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
2217 		return;
2218 
2219 	new_mode = cur_mode &
2220 		~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
2221 	new_mode |= clc_cnt;
2222 	new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
2223 
2224 	ELINK_DEBUG_P2(sc, "Changing emac_mode from 0x%x to 0x%x",
2225 	   cur_mode, new_mode);
2226 	REG_WR(sc, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
2227 	DELAY(40);
2228 }
2229 
2230 static uint8_t elink_is_4_port_mode(struct bnx2x_softc *sc)
2231 {
2232 	uint32_t port4mode_ovwr_val;
2233 	/* Check 4-port override enabled */
2234 	port4mode_ovwr_val = REG_RD(sc, MISC_REG_PORT4MODE_EN_OVWR);
2235 	if (port4mode_ovwr_val & (1 << 0)) {
2236 		/* Return 4-port mode override value */
2237 		return ((port4mode_ovwr_val & (1 << 1)) == (1 << 1));
2238 	}
2239 	/* Return 4-port mode from input pin */
2240 	return (uint8_t)REG_RD(sc, MISC_REG_PORT4MODE_EN);
2241 }
2242 
2243 static void elink_set_mdio_emac_per_phy(struct bnx2x_softc *sc,
2244 					struct elink_params *params)
2245 {
2246 	uint8_t phy_index;
2247 
2248 	/* Set mdio clock per phy */
2249 	for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys;
2250 	      phy_index++)
2251 		elink_set_mdio_clk(sc, params->chip_id,
2252 				   params->phy[phy_index].mdio_ctrl);
2253 }
2254 
2255 static void elink_emac_init(struct elink_params *params,
2256 			    __rte_unused struct elink_vars *vars)
2257 {
2258 	/* reset and unreset the emac core */
2259 	struct bnx2x_softc *sc = params->sc;
2260 	uint8_t port = params->port;
2261 	uint32_t emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2262 	uint32_t val;
2263 	uint16_t timeout;
2264 
2265 	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2266 	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
2267 	DELAY(5);
2268 	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2269 	       (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
2270 
2271 	/* init emac - use read-modify-write */
2272 	/* self clear reset */
2273 	val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE);
2274 	elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MODE,
2275 			   (val | EMAC_MODE_RESET));
2276 
2277 	timeout = 200;
2278 	do {
2279 		val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE);
2280 		ELINK_DEBUG_P1(sc, "EMAC reset reg is %u", val);
2281 		if (!timeout) {
2282 			ELINK_DEBUG_P0(sc, "EMAC timeout!");
2283 			return;
2284 		}
2285 		timeout--;
2286 	} while (val & EMAC_MODE_RESET);
2287 
2288 	elink_set_mdio_emac_per_phy(sc, params);
2289 	/* Set mac address */
2290 	val = ((params->mac_addr[0] << 8) |
2291 		params->mac_addr[1]);
2292 	elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MAC_MATCH, val);
2293 
2294 	val = ((params->mac_addr[2] << 24) |
2295 	       (params->mac_addr[3] << 16) |
2296 	       (params->mac_addr[4] << 8) |
2297 		params->mac_addr[5]);
2298 	elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MAC_MATCH + 4, val);
2299 }
2300 
2301 static void elink_set_xumac_nig(struct elink_params *params,
2302 				uint16_t tx_pause_en,
2303 				uint8_t enable)
2304 {
2305 	struct bnx2x_softc *sc = params->sc;
2306 
2307 	REG_WR(sc, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
2308 	       enable);
2309 	REG_WR(sc, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
2310 	       enable);
2311 	REG_WR(sc, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
2312 	       NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
2313 }
2314 
2315 static void elink_set_umac_rxtx(struct elink_params *params, uint8_t en)
2316 {
2317 	uint32_t umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
2318 	uint32_t val;
2319 	struct bnx2x_softc *sc = params->sc;
2320 	if (!(REG_RD(sc, MISC_REG_RESET_REG_2) &
2321 		   (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
2322 		return;
2323 	val = REG_RD(sc, umac_base + UMAC_REG_COMMAND_CONFIG);
2324 	if (en)
2325 		val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
2326 			UMAC_COMMAND_CONFIG_REG_RX_ENA);
2327 	else
2328 		val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
2329 			 UMAC_COMMAND_CONFIG_REG_RX_ENA);
2330 	/* Disable RX and TX */
2331 	REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val);
2332 }
2333 
2334 static void elink_umac_enable(struct elink_params *params,
2335 			    struct elink_vars *vars, uint8_t lb)
2336 {
2337 	uint32_t val;
2338 	uint32_t umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
2339 	struct bnx2x_softc *sc = params->sc;
2340 	/* Reset UMAC */
2341 	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2342 	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
2343 	DELAY(1000 * 1);
2344 
2345 	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2346 	       (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
2347 
2348 	ELINK_DEBUG_P0(sc, "enabling UMAC");
2349 
2350 	/* This register opens the gate for the UMAC despite its name */
2351 	REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port * 4, 1);
2352 
2353 	val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
2354 		UMAC_COMMAND_CONFIG_REG_PAD_EN |
2355 		UMAC_COMMAND_CONFIG_REG_SW_RESET |
2356 		UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
2357 	switch (vars->line_speed) {
2358 	case ELINK_SPEED_10:
2359 		val |= (0 << 2);
2360 		break;
2361 	case ELINK_SPEED_100:
2362 		val |= (1 << 2);
2363 		break;
2364 	case ELINK_SPEED_1000:
2365 		val |= (2 << 2);
2366 		break;
2367 	case ELINK_SPEED_2500:
2368 		val |= (3 << 2);
2369 		break;
2370 	default:
2371 		ELINK_DEBUG_P1(sc, "Invalid speed for UMAC %d",
2372 			       vars->line_speed);
2373 		break;
2374 	}
2375 	if (!(vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
2376 		val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
2377 
2378 	if (!(vars->flow_ctrl & ELINK_FLOW_CTRL_RX))
2379 		val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
2380 
2381 	if (vars->duplex == DUPLEX_HALF)
2382 		val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
2383 
2384 	REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val);
2385 	DELAY(50);
2386 
2387 	/* Configure UMAC for EEE */
2388 	if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
2389 		ELINK_DEBUG_P0(sc, "configured UMAC for EEE");
2390 		REG_WR(sc, umac_base + UMAC_REG_UMAC_EEE_CTRL,
2391 		       UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
2392 		REG_WR(sc, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
2393 	} else {
2394 		REG_WR(sc, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
2395 	}
2396 
2397 	/* Set MAC address for source TX Pause/PFC frames (under SW reset) */
2398 	REG_WR(sc, umac_base + UMAC_REG_MAC_ADDR0,
2399 	       ((params->mac_addr[2] << 24) |
2400 		(params->mac_addr[3] << 16) |
2401 		(params->mac_addr[4] << 8) |
2402 		(params->mac_addr[5])));
2403 	REG_WR(sc, umac_base + UMAC_REG_MAC_ADDR1,
2404 	       ((params->mac_addr[0] << 8) |
2405 		(params->mac_addr[1])));
2406 
2407 	/* Enable RX and TX */
2408 	val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
2409 	val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
2410 		UMAC_COMMAND_CONFIG_REG_RX_ENA;
2411 	REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val);
2412 	DELAY(50);
2413 
2414 	/* Remove SW Reset */
2415 	val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
2416 
2417 	/* Check loopback mode */
2418 	if (lb)
2419 		val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
2420 	REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val);
2421 
2422 	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
2423 	 * length used by the MAC receive logic to check frames.
2424 	 */
2425 	REG_WR(sc, umac_base + UMAC_REG_MAXFR, 0x2710);
2426 	elink_set_xumac_nig(params,
2427 			    ((vars->flow_ctrl & ELINK_FLOW_CTRL_TX) != 0), 1);
2428 	vars->mac_type = ELINK_MAC_TYPE_UMAC;
2429 
2430 }
2431 
2432 /* Define the XMAC mode */
2433 static void elink_xmac_init(struct elink_params *params, uint32_t max_speed)
2434 {
2435 	struct bnx2x_softc *sc = params->sc;
2436 	uint32_t is_port4mode = elink_is_4_port_mode(sc);
2437 
2438 	/* In 4-port mode, need to set the mode only once, so if XMAC is
2439 	 * already out of reset, it means the mode has already been set,
2440 	 * and it must not* reset the XMAC again, since it controls both
2441 	 * ports of the path
2442 	 */
2443 
2444 	if (((CHIP_NUM(sc) == CHIP_NUM_57840_4_10) ||
2445 	     (CHIP_NUM(sc) == CHIP_NUM_57840_2_20) ||
2446 	     (CHIP_NUM(sc) == CHIP_NUM_57840_OBS)) &&
2447 	    is_port4mode &&
2448 	    (REG_RD(sc, MISC_REG_RESET_REG_2) &
2449 	     MISC_REGISTERS_RESET_REG_2_XMAC)) {
2450 		ELINK_DEBUG_P0(sc,
2451 		   "XMAC already out of reset in 4-port mode");
2452 		return;
2453 	}
2454 
2455 	/* Hard reset */
2456 	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2457 	       MISC_REGISTERS_RESET_REG_2_XMAC);
2458 	DELAY(1000 * 1);
2459 
2460 	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2461 	       MISC_REGISTERS_RESET_REG_2_XMAC);
2462 	if (is_port4mode) {
2463 		ELINK_DEBUG_P0(sc, "Init XMAC to 2 ports x 10G per path");
2464 
2465 		/* Set the number of ports on the system side to up to 2 */
2466 		REG_WR(sc, MISC_REG_XMAC_CORE_PORT_MODE, 1);
2467 
2468 		/* Set the number of ports on the Warp Core to 10G */
2469 		REG_WR(sc, MISC_REG_XMAC_PHY_PORT_MODE, 3);
2470 	} else {
2471 		/* Set the number of ports on the system side to 1 */
2472 		REG_WR(sc, MISC_REG_XMAC_CORE_PORT_MODE, 0);
2473 		if (max_speed == ELINK_SPEED_10000) {
2474 			ELINK_DEBUG_P0(sc,
2475 			   "Init XMAC to 10G x 1 port per path");
2476 			/* Set the number of ports on the Warp Core to 10G */
2477 			REG_WR(sc, MISC_REG_XMAC_PHY_PORT_MODE, 3);
2478 		} else {
2479 			ELINK_DEBUG_P0(sc,
2480 			   "Init XMAC to 20G x 2 ports per path");
2481 			/* Set the number of ports on the Warp Core to 20G */
2482 			REG_WR(sc, MISC_REG_XMAC_PHY_PORT_MODE, 1);
2483 		}
2484 	}
2485 	/* Soft reset */
2486 	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2487 	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
2488 	DELAY(1000 * 1);
2489 
2490 	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2491 	       MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
2492 
2493 }
2494 
2495 static void elink_set_xmac_rxtx(struct elink_params *params, uint8_t en)
2496 {
2497 	uint8_t port = params->port;
2498 	struct bnx2x_softc *sc = params->sc;
2499 	uint32_t pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
2500 	uint32_t val;
2501 
2502 	if (REG_RD(sc, MISC_REG_RESET_REG_2) &
2503 	    MISC_REGISTERS_RESET_REG_2_XMAC) {
2504 		/* Send an indication to change the state in the NIG back to XON
2505 		 * Clearing this bit enables the next set of this bit to get
2506 		 * rising edge
2507 		 */
2508 		pfc_ctrl = REG_RD(sc, xmac_base + XMAC_REG_PFC_CTRL_HI);
2509 		REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI,
2510 		       (pfc_ctrl & ~(1 << 1)));
2511 		REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI,
2512 		       (pfc_ctrl | (1 << 1)));
2513 		ELINK_DEBUG_P1(sc, "Disable XMAC on port %x", port);
2514 		val = REG_RD(sc, xmac_base + XMAC_REG_CTRL);
2515 		if (en)
2516 			val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
2517 		else
2518 			val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
2519 		REG_WR(sc, xmac_base + XMAC_REG_CTRL, val);
2520 	}
2521 }
2522 
2523 static elink_status_t elink_xmac_enable(struct elink_params *params,
2524 			     struct elink_vars *vars, uint8_t lb)
2525 {
2526 	uint32_t val, xmac_base;
2527 	struct bnx2x_softc *sc = params->sc;
2528 	ELINK_DEBUG_P0(sc, "enabling XMAC");
2529 
2530 	xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
2531 
2532 	elink_xmac_init(params, vars->line_speed);
2533 
2534 	/* This register determines on which events the MAC will assert
2535 	 * error on the i/f to the NIG along w/ EOP.
2536 	 */
2537 
2538 	/* This register tells the NIG whether to send traffic to UMAC
2539 	 * or XMAC
2540 	 */
2541 	REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port * 4, 0);
2542 
2543 	/* When XMAC is in XLGMII mode, disable sending idles for fault
2544 	 * detection.
2545 	 */
2546 	if (!(params->phy[ELINK_INT_PHY].flags & ELINK_FLAGS_TX_ERROR_CHECK)) {
2547 		REG_WR(sc, xmac_base + XMAC_REG_RX_LSS_CTRL,
2548 		       (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
2549 			XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
2550 		REG_WR(sc, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
2551 		REG_WR(sc, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
2552 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
2553 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
2554 	}
2555 	/* Set Max packet size */
2556 	REG_WR(sc, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
2557 
2558 	/* CRC append for Tx packets */
2559 	REG_WR(sc, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
2560 
2561 	/* update PFC */
2562 	elink_update_pfc_xmac(params, vars, 0);
2563 
2564 	if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
2565 		ELINK_DEBUG_P0(sc, "Setting XMAC for EEE");
2566 		REG_WR(sc, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
2567 		REG_WR(sc, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
2568 	} else {
2569 		REG_WR(sc, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
2570 	}
2571 
2572 	/* Enable TX and RX */
2573 	val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
2574 
2575 	/* Set MAC in XLGMII mode for dual-mode */
2576 	if ((vars->line_speed == ELINK_SPEED_20000) &&
2577 	    (params->phy[ELINK_INT_PHY].supported &
2578 	     ELINK_SUPPORTED_20000baseKR2_Full))
2579 		val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
2580 
2581 	/* Check loopback mode */
2582 	if (lb)
2583 		val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
2584 	REG_WR(sc, xmac_base + XMAC_REG_CTRL, val);
2585 	elink_set_xumac_nig(params,
2586 			    ((vars->flow_ctrl & ELINK_FLOW_CTRL_TX) != 0), 1);
2587 
2588 	vars->mac_type = ELINK_MAC_TYPE_XMAC;
2589 
2590 	return ELINK_STATUS_OK;
2591 }
2592 
2593 static elink_status_t elink_emac_enable(struct elink_params *params,
2594 			     struct elink_vars *vars, uint8_t lb)
2595 {
2596 	struct bnx2x_softc *sc = params->sc;
2597 	uint8_t port = params->port;
2598 	uint32_t emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2599 	uint32_t val;
2600 
2601 	ELINK_DEBUG_P0(sc, "enabling EMAC");
2602 
2603 	/* Disable BMAC */
2604 	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2605 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2606 
2607 	/* enable emac and not bmac */
2608 	REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + port * 4, 1);
2609 
2610 #ifdef ELINK_INCLUDE_EMUL
2611 	/* for paladium */
2612 	if (CHIP_REV_IS_EMUL(sc)) {
2613 		/* Use lane 1 (of lanes 0-3) */
2614 		REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port * 4, 1);
2615 		REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port * 4, 1);
2616 	}
2617 	/* for fpga */
2618 	else
2619 #endif
2620 #ifdef ELINK_INCLUDE_FPGA
2621 	if (CHIP_REV_IS_FPGA(sc)) {
2622 		/* Use lane 1 (of lanes 0-3) */
2623 		ELINK_DEBUG_P0(sc, "elink_emac_enable: Setting FPGA");
2624 
2625 		REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port * 4, 1);
2626 		REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port * 4, 0);
2627 	} else
2628 #endif
2629 	/* ASIC */
2630 	if (vars->phy_flags & PHY_XGXS_FLAG) {
2631 		uint32_t ser_lane = ((params->lane_config &
2632 				 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
2633 				PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
2634 
2635 		ELINK_DEBUG_P0(sc, "XGXS");
2636 		/* select the master lanes (out of 0-3) */
2637 		REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port * 4, ser_lane);
2638 		/* select XGXS */
2639 		REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port * 4, 1);
2640 
2641 	} else { /* SerDes */
2642 		ELINK_DEBUG_P0(sc, "SerDes");
2643 		/* select SerDes */
2644 		REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port * 4, 0);
2645 	}
2646 
2647 	elink_bits_en(sc, emac_base + EMAC_REG_EMAC_RX_MODE,
2648 		      EMAC_RX_MODE_RESET);
2649 	elink_bits_en(sc, emac_base + EMAC_REG_EMAC_TX_MODE,
2650 		      EMAC_TX_MODE_RESET);
2651 
2652 #if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
2653 	if (CHIP_REV_IS_SLOW(sc)) {
2654 		/* config GMII mode */
2655 		val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE);
2656 		elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MODE,
2657 				   (val | EMAC_MODE_PORT_GMII));
2658 	} else { /* ASIC */
2659 #endif
2660 		/* pause enable/disable */
2661 		elink_bits_dis(sc, emac_base + EMAC_REG_EMAC_RX_MODE,
2662 			       EMAC_RX_MODE_FLOW_EN);
2663 
2664 		elink_bits_dis(sc,  emac_base + EMAC_REG_EMAC_TX_MODE,
2665 			       (EMAC_TX_MODE_EXT_PAUSE_EN |
2666 				EMAC_TX_MODE_FLOW_EN));
2667 		if (!(params->feature_config_flags &
2668 		      ELINK_FEATURE_CONFIG_PFC_ENABLED)) {
2669 			if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX)
2670 				elink_bits_en(sc, emac_base +
2671 					      EMAC_REG_EMAC_RX_MODE,
2672 					      EMAC_RX_MODE_FLOW_EN);
2673 
2674 			if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)
2675 				elink_bits_en(sc, emac_base +
2676 					      EMAC_REG_EMAC_TX_MODE,
2677 					      (EMAC_TX_MODE_EXT_PAUSE_EN |
2678 					       EMAC_TX_MODE_FLOW_EN));
2679 		} else
2680 			elink_bits_en(sc, emac_base + EMAC_REG_EMAC_TX_MODE,
2681 				      EMAC_TX_MODE_FLOW_EN);
2682 #if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
2683 	}
2684 #endif
2685 
2686 	/* KEEP_VLAN_TAG, promiscuous */
2687 	val = REG_RD(sc, emac_base + EMAC_REG_EMAC_RX_MODE);
2688 	val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
2689 
2690 	/* Setting this bit causes MAC control frames (except for pause
2691 	 * frames) to be passed on for processing. This setting has no
2692 	 * affect on the operation of the pause frames. This bit effects
2693 	 * all packets regardless of RX Parser packet sorting logic.
2694 	 * Turn the PFC off to make sure we are in Xon state before
2695 	 * enabling it.
2696 	 */
2697 	elink_cb_reg_write(sc, emac_base + EMAC_REG_RX_PFC_MODE, 0);
2698 	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED) {
2699 		ELINK_DEBUG_P0(sc, "PFC is enabled");
2700 		/* Enable PFC again */
2701 		elink_cb_reg_write(sc, emac_base + EMAC_REG_RX_PFC_MODE,
2702 			EMAC_REG_RX_PFC_MODE_RX_EN |
2703 			EMAC_REG_RX_PFC_MODE_TX_EN |
2704 			EMAC_REG_RX_PFC_MODE_PRIORITIES);
2705 
2706 		elink_cb_reg_write(sc, emac_base + EMAC_REG_RX_PFC_PARAM,
2707 			((0x0101 <<
2708 			  EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
2709 			 (0x00ff <<
2710 			  EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
2711 		val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
2712 	}
2713 	elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_RX_MODE, val);
2714 
2715 	/* Set Loopback */
2716 	val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE);
2717 	if (lb)
2718 		val |= 0x810;
2719 	else
2720 		val &= ~0x810;
2721 	elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MODE, val);
2722 
2723 	/* Enable emac */
2724 	REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port * 4, 1);
2725 
2726 	/* Enable emac for jumbo packets */
2727 	elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_RX_MTU_SIZE,
2728 		(EMAC_RX_MTU_SIZE_JUMBO_ENA |
2729 		 (ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD)));
2730 
2731 	/* Strip CRC */
2732 	REG_WR(sc, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port * 4, 0x1);
2733 
2734 	/* Disable the NIG in/out to the bmac */
2735 	REG_WR(sc, NIG_REG_BMAC0_IN_EN + port * 4, 0x0);
2736 	REG_WR(sc, NIG_REG_BMAC0_PAUSE_OUT_EN + port * 4, 0x0);
2737 	REG_WR(sc, NIG_REG_BMAC0_OUT_EN + port * 4, 0x0);
2738 
2739 	/* Enable the NIG in/out to the emac */
2740 	REG_WR(sc, NIG_REG_EMAC0_IN_EN + port * 4, 0x1);
2741 	val = 0;
2742 	if ((params->feature_config_flags &
2743 	      ELINK_FEATURE_CONFIG_PFC_ENABLED) ||
2744 	    (vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
2745 		val = 1;
2746 
2747 	REG_WR(sc, NIG_REG_EMAC0_PAUSE_OUT_EN + port * 4, val);
2748 	REG_WR(sc, NIG_REG_EGRESS_EMAC0_OUT_EN + port * 4, 0x1);
2749 
2750 #ifdef ELINK_INCLUDE_EMUL
2751 	if (CHIP_REV_IS_EMUL(sc)) {
2752 		/* Take the BigMac out of reset */
2753 		REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2754 		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2755 
2756 		/* Enable access for bmac registers */
2757 		REG_WR(sc, NIG_REG_BMAC0_REGS_OUT_EN + port * 4, 0x1);
2758 	} else
2759 #endif
2760 	REG_WR(sc, NIG_REG_BMAC0_REGS_OUT_EN + port * 4, 0x0);
2761 
2762 	vars->mac_type = ELINK_MAC_TYPE_EMAC;
2763 	return ELINK_STATUS_OK;
2764 }
2765 
2766 static void elink_update_pfc_bmac1(struct elink_params *params,
2767 				   struct elink_vars *vars)
2768 {
2769 	uint32_t wb_data[2];
2770 	struct bnx2x_softc *sc = params->sc;
2771 	uint32_t bmac_addr =  params->port ? NIG_REG_INGRESS_BMAC1_MEM :
2772 		NIG_REG_INGRESS_BMAC0_MEM;
2773 
2774 	uint32_t val = 0x14;
2775 	if ((!(params->feature_config_flags &
2776 	      ELINK_FEATURE_CONFIG_PFC_ENABLED)) &&
2777 		(vars->flow_ctrl & ELINK_FLOW_CTRL_RX))
2778 		/* Enable BigMAC to react on received Pause packets */
2779 		val |= (1 << 5);
2780 	wb_data[0] = val;
2781 	wb_data[1] = 0;
2782 	REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
2783 
2784 	/* TX control */
2785 	val = 0xc0;
2786 	if (!(params->feature_config_flags &
2787 	      ELINK_FEATURE_CONFIG_PFC_ENABLED) &&
2788 		(vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
2789 		val |= 0x800000;
2790 	wb_data[0] = val;
2791 	wb_data[1] = 0;
2792 	REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
2793 }
2794 
2795 static void elink_update_pfc_bmac2(struct elink_params *params,
2796 				   struct elink_vars *vars,
2797 				   uint8_t is_lb)
2798 {
2799 	/* Set rx control: Strip CRC and enable BigMAC to relay
2800 	 * control packets to the system as well
2801 	 */
2802 	uint32_t wb_data[2];
2803 	struct bnx2x_softc *sc = params->sc;
2804 	uint32_t bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
2805 		NIG_REG_INGRESS_BMAC0_MEM;
2806 	uint32_t val = 0x14;
2807 
2808 	if ((!(params->feature_config_flags &
2809 	      ELINK_FEATURE_CONFIG_PFC_ENABLED)) &&
2810 		(vars->flow_ctrl & ELINK_FLOW_CTRL_RX))
2811 		/* Enable BigMAC to react on received Pause packets */
2812 		val |= (1 << 5);
2813 	wb_data[0] = val;
2814 	wb_data[1] = 0;
2815 	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
2816 	DELAY(30);
2817 
2818 	/* Tx control */
2819 	val = 0xc0;
2820 	if (!(params->feature_config_flags &
2821 				ELINK_FEATURE_CONFIG_PFC_ENABLED) &&
2822 	    (vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
2823 		val |= 0x800000;
2824 	wb_data[0] = val;
2825 	wb_data[1] = 0;
2826 	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
2827 
2828 	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED) {
2829 		ELINK_DEBUG_P0(sc, "PFC is enabled");
2830 		/* Enable PFC RX & TX & STATS and set 8 COS  */
2831 		wb_data[0] = 0x0;
2832 		wb_data[0] |= (1 << 0);  /* RX */
2833 		wb_data[0] |= (1 << 1);  /* TX */
2834 		wb_data[0] |= (1 << 2);  /* Force initial Xon */
2835 		wb_data[0] |= (1 << 3);  /* 8 cos */
2836 		wb_data[0] |= (1 << 5);  /* STATS */
2837 		wb_data[1] = 0;
2838 		REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2839 			    wb_data, 2);
2840 		/* Clear the force Xon */
2841 		wb_data[0] &= ~(1 << 2);
2842 	} else {
2843 		ELINK_DEBUG_P0(sc, "PFC is disabled");
2844 		/* Disable PFC RX & TX & STATS and set 8 COS */
2845 		wb_data[0] = 0x8;
2846 		wb_data[1] = 0;
2847 	}
2848 
2849 	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2850 
2851 	/* Set Time (based unit is 512 bit time) between automatic
2852 	 * re-sending of PP packets amd enable automatic re-send of
2853 	 * Per-Priroity Packet as long as pp_gen is asserted and
2854 	 * pp_disable is low.
2855 	 */
2856 	val = 0x8000;
2857 	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
2858 		val |= (1 << 16); /* enable automatic re-send */
2859 
2860 	wb_data[0] = val;
2861 	wb_data[1] = 0;
2862 	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
2863 		    wb_data, 2);
2864 
2865 	/* mac control */
2866 	val = 0x3; /* Enable RX and TX */
2867 	if (is_lb) {
2868 		val |= 0x4; /* Local loopback */
2869 		ELINK_DEBUG_P0(sc, "enable bmac loopback");
2870 	}
2871 	/* When PFC enabled, Pass pause frames towards the NIG. */
2872 	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
2873 		val |= ((1 << 6) | (1 << 5));
2874 
2875 	wb_data[0] = val;
2876 	wb_data[1] = 0;
2877 	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2878 }
2879 
2880 /******************************************************************************
2881  * Description:
2882  *  This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2883  *  not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2884  ******************************************************************************/
2885 static elink_status_t elink_pfc_nig_rx_priority_mask(struct bnx2x_softc *sc,
2886 					   uint8_t cos_entry,
2887 					   uint32_t priority_mask, uint8_t port)
2888 {
2889 	uint32_t nig_reg_rx_priority_mask_add = 0;
2890 
2891 	switch (cos_entry) {
2892 	case 0:
2893 	     nig_reg_rx_priority_mask_add = (port) ?
2894 		 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2895 		 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2896 		break;
2897 	case 1:
2898 	    nig_reg_rx_priority_mask_add = (port) ?
2899 		NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2900 		NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2901 		break;
2902 	case 2:
2903 	    nig_reg_rx_priority_mask_add = (port) ?
2904 		NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2905 		NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2906 		break;
2907 	case 3:
2908 		if (port)
2909 		return ELINK_STATUS_ERROR;
2910 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2911 		break;
2912 	case 4:
2913 		if (port)
2914 		return ELINK_STATUS_ERROR;
2915 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2916 		break;
2917 	case 5:
2918 		if (port)
2919 		return ELINK_STATUS_ERROR;
2920 	    nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2921 		break;
2922 	}
2923 
2924 	REG_WR(sc, nig_reg_rx_priority_mask_add, priority_mask);
2925 
2926 	return ELINK_STATUS_OK;
2927 }
2928 static void elink_update_mng(struct elink_params *params, uint32_t link_status)
2929 {
2930 	struct bnx2x_softc *sc = params->sc;
2931 
2932 	REG_WR(sc, params->shmem_base +
2933 	       offsetof(struct shmem_region,
2934 			port_mb[params->port].link_status), link_status);
2935 }
2936 
2937 static void elink_update_pfc_nig(struct elink_params *params,
2938 		__rte_unused struct elink_vars *vars,
2939 		struct elink_nig_brb_pfc_port_params *nig_params)
2940 {
2941 	uint32_t xcm_mask = 0, ppp_enable = 0, pause_enable = 0;
2942 	uint32_t llfc_out_en = 0;
2943 	uint32_t llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2944 	uint32_t pkt_priority_to_cos = 0;
2945 	struct bnx2x_softc *sc = params->sc;
2946 	uint8_t port = params->port;
2947 
2948 	int set_pfc = params->feature_config_flags &
2949 		ELINK_FEATURE_CONFIG_PFC_ENABLED;
2950 	ELINK_DEBUG_P0(sc, "updating pfc nig parameters");
2951 
2952 	/* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2953 	 * MAC control frames (that are not pause packets)
2954 	 * will be forwarded to the XCM.
2955 	 */
2956 	xcm_mask = REG_RD(sc, port ? NIG_REG_LLH1_XCM_MASK :
2957 			  NIG_REG_LLH0_XCM_MASK);
2958 	/* NIG params will override non PFC params, since it's possible to
2959 	 * do transition from PFC to SAFC
2960 	 */
2961 	if (set_pfc) {
2962 		pause_enable = 0;
2963 		llfc_out_en = 0;
2964 		llfc_enable = 0;
2965 		if (CHIP_IS_E3(sc))
2966 			ppp_enable = 0;
2967 		else
2968 			ppp_enable = 1;
2969 		xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2970 				     NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2971 		xcm_out_en = 0;
2972 		hwpfc_enable = 1;
2973 	} else  {
2974 		if (nig_params) {
2975 			llfc_out_en = nig_params->llfc_out_en;
2976 			llfc_enable = nig_params->llfc_enable;
2977 			pause_enable = nig_params->pause_enable;
2978 		} else  /* Default non PFC mode - PAUSE */
2979 			pause_enable = 1;
2980 
2981 		xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2982 			NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2983 		xcm_out_en = 1;
2984 	}
2985 
2986 	if (CHIP_IS_E3(sc))
2987 		REG_WR(sc, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2988 		       NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2989 	REG_WR(sc, port ? NIG_REG_LLFC_OUT_EN_1 :
2990 	       NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2991 	REG_WR(sc, port ? NIG_REG_LLFC_ENABLE_1 :
2992 	       NIG_REG_LLFC_ENABLE_0, llfc_enable);
2993 	REG_WR(sc, port ? NIG_REG_PAUSE_ENABLE_1 :
2994 	       NIG_REG_PAUSE_ENABLE_0, pause_enable);
2995 
2996 	REG_WR(sc, port ? NIG_REG_PPP_ENABLE_1 :
2997 	       NIG_REG_PPP_ENABLE_0, ppp_enable);
2998 
2999 	REG_WR(sc, port ? NIG_REG_LLH1_XCM_MASK :
3000 	       NIG_REG_LLH0_XCM_MASK, xcm_mask);
3001 
3002 	REG_WR(sc, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
3003 	       NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
3004 
3005 	/* Output enable for RX_XCM # IF */
3006 	REG_WR(sc, port ? NIG_REG_XCM1_OUT_EN :
3007 	       NIG_REG_XCM0_OUT_EN, xcm_out_en);
3008 
3009 	/* HW PFC TX enable */
3010 	REG_WR(sc, port ? NIG_REG_P1_HWPFC_ENABLE :
3011 	       NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
3012 
3013 	if (nig_params) {
3014 		uint8_t i = 0;
3015 		pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
3016 
3017 		for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
3018 			elink_pfc_nig_rx_priority_mask(sc, i,
3019 		nig_params->rx_cos_priority_mask[i], port);
3020 
3021 		REG_WR(sc, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
3022 		       NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
3023 		       nig_params->llfc_high_priority_classes);
3024 
3025 		REG_WR(sc, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
3026 		       NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
3027 		       nig_params->llfc_low_priority_classes);
3028 	}
3029 	REG_WR(sc, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
3030 	       NIG_REG_P0_PKT_PRIORITY_TO_COS,
3031 	       pkt_priority_to_cos);
3032 }
3033 
3034 elink_status_t elink_update_pfc(struct elink_params *params,
3035 		      struct elink_vars *vars,
3036 		      struct elink_nig_brb_pfc_port_params *pfc_params)
3037 {
3038 	/* The PFC and pause are orthogonal to one another, meaning when
3039 	 * PFC is enabled, the pause are disabled, and when PFC is
3040 	 * disabled, pause are set according to the pause result.
3041 	 */
3042 	uint32_t val;
3043 	struct bnx2x_softc *sc = params->sc;
3044 	uint8_t bmac_loopback = (params->loopback_mode == ELINK_LOOPBACK_BMAC);
3045 
3046 	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
3047 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
3048 	else
3049 		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
3050 
3051 	elink_update_mng(params, vars->link_status);
3052 
3053 	/* Update NIG params */
3054 	elink_update_pfc_nig(params, vars, pfc_params);
3055 
3056 	if (!vars->link_up)
3057 		return ELINK_STATUS_OK;
3058 
3059 	ELINK_DEBUG_P0(sc, "About to update PFC in BMAC");
3060 
3061 	if (CHIP_IS_E3(sc)) {
3062 		if (vars->mac_type == ELINK_MAC_TYPE_XMAC)
3063 			elink_update_pfc_xmac(params, vars, 0);
3064 	} else {
3065 		val = REG_RD(sc, MISC_REG_RESET_REG_2);
3066 		if ((val &
3067 		     (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
3068 		    == 0) {
3069 			ELINK_DEBUG_P0(sc, "About to update PFC in EMAC");
3070 			elink_emac_enable(params, vars, 0);
3071 			return ELINK_STATUS_OK;
3072 		}
3073 		if (CHIP_IS_E2(sc))
3074 			elink_update_pfc_bmac2(params, vars, bmac_loopback);
3075 		else
3076 			elink_update_pfc_bmac1(params, vars);
3077 
3078 		val = 0;
3079 		if ((params->feature_config_flags &
3080 		     ELINK_FEATURE_CONFIG_PFC_ENABLED) ||
3081 		    (vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
3082 			val = 1;
3083 		REG_WR(sc, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port * 4, val);
3084 	}
3085 	return ELINK_STATUS_OK;
3086 }
3087 
3088 static elink_status_t elink_bmac1_enable(struct elink_params *params,
3089 			      struct elink_vars *vars,
3090 			      uint8_t is_lb)
3091 {
3092 	struct bnx2x_softc *sc = params->sc;
3093 	uint8_t port = params->port;
3094 	uint32_t bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
3095 			       NIG_REG_INGRESS_BMAC0_MEM;
3096 	uint32_t wb_data[2];
3097 	uint32_t val;
3098 
3099 	ELINK_DEBUG_P0(sc, "Enabling BigMAC1");
3100 
3101 	/* XGXS control */
3102 	wb_data[0] = 0x3c;
3103 	wb_data[1] = 0;
3104 	REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
3105 		    wb_data, 2);
3106 
3107 	/* TX MAC SA */
3108 	wb_data[0] = ((params->mac_addr[2] << 24) |
3109 		       (params->mac_addr[3] << 16) |
3110 		       (params->mac_addr[4] << 8) |
3111 			params->mac_addr[5]);
3112 	wb_data[1] = ((params->mac_addr[0] << 8) |
3113 			params->mac_addr[1]);
3114 	REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
3115 
3116 	/* MAC control */
3117 	val = 0x3;
3118 	if (is_lb) {
3119 		val |= 0x4;
3120 		ELINK_DEBUG_P0(sc,  "enable bmac loopback");
3121 	}
3122 	wb_data[0] = val;
3123 	wb_data[1] = 0;
3124 	REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
3125 
3126 	/* Set rx mtu */
3127 	wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
3128 	wb_data[1] = 0;
3129 	REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
3130 
3131 	elink_update_pfc_bmac1(params, vars);
3132 
3133 	/* Set tx mtu */
3134 	wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
3135 	wb_data[1] = 0;
3136 	REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
3137 
3138 	/* Set cnt max size */
3139 	wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
3140 	wb_data[1] = 0;
3141 	REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
3142 
3143 	/* Configure SAFC */
3144 	wb_data[0] = 0x1000200;
3145 	wb_data[1] = 0;
3146 	REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
3147 		    wb_data, 2);
3148 #ifdef ELINK_INCLUDE_EMUL
3149 	/* Fix for emulation */
3150 	if (CHIP_REV_IS_EMUL(sc)) {
3151 		wb_data[0] = 0xf000;
3152 		wb_data[1] = 0;
3153 		REG_WR_DMAE(sc,	bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD,
3154 			    wb_data, 2);
3155 	}
3156 #endif
3157 
3158 	return ELINK_STATUS_OK;
3159 }
3160 
3161 static elink_status_t elink_bmac2_enable(struct elink_params *params,
3162 			      struct elink_vars *vars,
3163 			      uint8_t is_lb)
3164 {
3165 	struct bnx2x_softc *sc = params->sc;
3166 	uint8_t port = params->port;
3167 	uint32_t bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
3168 			       NIG_REG_INGRESS_BMAC0_MEM;
3169 	uint32_t wb_data[2];
3170 
3171 	ELINK_DEBUG_P0(sc, "Enabling BigMAC2");
3172 
3173 	wb_data[0] = 0;
3174 	wb_data[1] = 0;
3175 	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
3176 	DELAY(30);
3177 
3178 	/* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
3179 	wb_data[0] = 0x3c;
3180 	wb_data[1] = 0;
3181 	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
3182 		    wb_data, 2);
3183 
3184 	DELAY(30);
3185 
3186 	/* TX MAC SA */
3187 	wb_data[0] = ((params->mac_addr[2] << 24) |
3188 		       (params->mac_addr[3] << 16) |
3189 		       (params->mac_addr[4] << 8) |
3190 			params->mac_addr[5]);
3191 	wb_data[1] = ((params->mac_addr[0] << 8) |
3192 			params->mac_addr[1]);
3193 	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
3194 		    wb_data, 2);
3195 
3196 	DELAY(30);
3197 
3198 	/* Configure SAFC */
3199 	wb_data[0] = 0x1000200;
3200 	wb_data[1] = 0;
3201 	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
3202 		    wb_data, 2);
3203 	DELAY(30);
3204 
3205 	/* Set RX MTU */
3206 	wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
3207 	wb_data[1] = 0;
3208 	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
3209 	DELAY(30);
3210 
3211 	/* Set TX MTU */
3212 	wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
3213 	wb_data[1] = 0;
3214 	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
3215 	DELAY(30);
3216 	/* Set cnt max size */
3217 	wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD - 2;
3218 	wb_data[1] = 0;
3219 	REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
3220 	DELAY(30);
3221 	elink_update_pfc_bmac2(params, vars, is_lb);
3222 
3223 	return ELINK_STATUS_OK;
3224 }
3225 
3226 static elink_status_t elink_bmac_enable(struct elink_params *params,
3227 			     struct elink_vars *vars,
3228 			     uint8_t is_lb, uint8_t reset_bmac)
3229 {
3230 	elink_status_t rc = ELINK_STATUS_OK;
3231 	uint8_t port = params->port;
3232 	struct bnx2x_softc *sc = params->sc;
3233 	uint32_t val;
3234 	/* Reset and unreset the BigMac */
3235 	if (reset_bmac) {
3236 		REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
3237 		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
3238 		DELAY(1000 * 1);
3239 	}
3240 
3241 	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
3242 	       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
3243 
3244 	/* Enable access for bmac registers */
3245 	REG_WR(sc, NIG_REG_BMAC0_REGS_OUT_EN + port * 4, 0x1);
3246 
3247 	/* Enable BMAC according to BMAC type*/
3248 	if (CHIP_IS_E2(sc))
3249 		rc = elink_bmac2_enable(params, vars, is_lb);
3250 	else
3251 		rc = elink_bmac1_enable(params, vars, is_lb);
3252 	REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port * 4, 0x1);
3253 	REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port * 4, 0x0);
3254 	REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + port * 4, 0x0);
3255 	val = 0;
3256 	if ((params->feature_config_flags &
3257 	      ELINK_FEATURE_CONFIG_PFC_ENABLED) ||
3258 	    (vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
3259 		val = 1;
3260 	REG_WR(sc, NIG_REG_BMAC0_PAUSE_OUT_EN + port * 4, val);
3261 	REG_WR(sc, NIG_REG_EGRESS_EMAC0_OUT_EN + port * 4, 0x0);
3262 	REG_WR(sc, NIG_REG_EMAC0_IN_EN + port * 4, 0x0);
3263 	REG_WR(sc, NIG_REG_EMAC0_PAUSE_OUT_EN + port * 4, 0x0);
3264 	REG_WR(sc, NIG_REG_BMAC0_IN_EN + port * 4, 0x1);
3265 	REG_WR(sc, NIG_REG_BMAC0_OUT_EN + port * 4, 0x1);
3266 
3267 	vars->mac_type = ELINK_MAC_TYPE_BMAC;
3268 	return rc;
3269 }
3270 
3271 static void elink_set_bmac_rx(struct bnx2x_softc *sc,
3272 			      __rte_unused uint32_t chip_id,
3273 			      uint8_t port, uint8_t en)
3274 {
3275 	uint32_t bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
3276 			NIG_REG_INGRESS_BMAC0_MEM;
3277 	uint32_t wb_data[2];
3278 	uint32_t nig_bmac_enable = REG_RD(sc, NIG_REG_BMAC0_REGS_OUT_EN +
3279 					  port * 4);
3280 
3281 	if (CHIP_IS_E2(sc))
3282 		bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
3283 	else
3284 		bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
3285 	/* Only if the bmac is out of reset */
3286 	if (REG_RD(sc, MISC_REG_RESET_REG_2) &
3287 			(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
3288 	    nig_bmac_enable) {
3289 		/* Clear Rx Enable bit in BMAC_CONTROL register */
3290 		REG_RD_DMAE(sc, bmac_addr, wb_data, 2);
3291 		if (en)
3292 			wb_data[0] |= ELINK_BMAC_CONTROL_RX_ENABLE;
3293 		else
3294 			wb_data[0] &= ~ELINK_BMAC_CONTROL_RX_ENABLE;
3295 		REG_WR_DMAE(sc, bmac_addr, wb_data, 2);
3296 		DELAY(1000 * 1);
3297 	}
3298 }
3299 
3300 static elink_status_t elink_pbf_update(struct elink_params *params,
3301 			    uint32_t flow_ctrl,
3302 			    uint32_t line_speed)
3303 {
3304 	struct bnx2x_softc *sc = params->sc;
3305 	uint8_t port = params->port;
3306 	uint32_t init_crd, crd;
3307 	uint32_t count = 1000;
3308 
3309 	/* Disable port */
3310 	REG_WR(sc, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port * 4, 0x1);
3311 
3312 	/* Wait for init credit */
3313 	init_crd = REG_RD(sc, PBF_REG_P0_INIT_CRD + port * 4);
3314 	crd = REG_RD(sc, PBF_REG_P0_CREDIT + port * 8);
3315 	ELINK_DEBUG_P2(sc, "init_crd 0x%x  crd 0x%x", init_crd, crd);
3316 
3317 	while ((init_crd != crd) && count) {
3318 		DELAY(1000 * 5);
3319 		crd = REG_RD(sc, PBF_REG_P0_CREDIT + port * 8);
3320 		count--;
3321 	}
3322 	crd = REG_RD(sc, PBF_REG_P0_CREDIT + port * 8);
3323 	if (init_crd != crd) {
3324 		ELINK_DEBUG_P2(sc, "BUG! init_crd 0x%x != crd 0x%x",
3325 			  init_crd, crd);
3326 		return ELINK_STATUS_ERROR;
3327 	}
3328 
3329 	if (flow_ctrl & ELINK_FLOW_CTRL_RX ||
3330 	    line_speed == ELINK_SPEED_10 ||
3331 	    line_speed == ELINK_SPEED_100 ||
3332 	    line_speed == ELINK_SPEED_1000 ||
3333 	    line_speed == ELINK_SPEED_2500) {
3334 		REG_WR(sc, PBF_REG_P0_PAUSE_ENABLE + port * 4, 1);
3335 		/* Update threshold */
3336 		REG_WR(sc, PBF_REG_P0_ARB_THRSH + port * 4, 0);
3337 		/* Update init credit */
3338 		init_crd = 778;		/* (800-18-4) */
3339 
3340 	} else {
3341 		uint32_t thresh = (ELINK_ETH_MAX_JUMBO_PACKET_SIZE +
3342 			      ELINK_ETH_OVREHEAD) / 16;
3343 		REG_WR(sc, PBF_REG_P0_PAUSE_ENABLE + port * 4, 0);
3344 		/* Update threshold */
3345 		REG_WR(sc, PBF_REG_P0_ARB_THRSH + port * 4, thresh);
3346 		/* Update init credit */
3347 		switch (line_speed) {
3348 		case ELINK_SPEED_10000:
3349 			init_crd = thresh + 553 - 22;
3350 			break;
3351 		default:
3352 			ELINK_DEBUG_P1(sc, "Invalid line_speed 0x%x",
3353 				  line_speed);
3354 			return ELINK_STATUS_ERROR;
3355 		}
3356 	}
3357 	REG_WR(sc, PBF_REG_P0_INIT_CRD + port * 4, init_crd);
3358 	ELINK_DEBUG_P2(sc, "PBF updated to speed %d credit %d",
3359 		 line_speed, init_crd);
3360 
3361 	/* Probe the credit changes */
3362 	REG_WR(sc, PBF_REG_INIT_P0 + port * 4, 0x1);
3363 	DELAY(1000 * 5);
3364 	REG_WR(sc, PBF_REG_INIT_P0 + port * 4, 0x0);
3365 
3366 	/* Enable port */
3367 	REG_WR(sc, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port * 4, 0x0);
3368 	return ELINK_STATUS_OK;
3369 }
3370 
3371 /**
3372  * elink_get_emac_base - retrive emac base address
3373  *
3374  * @bp:			driver handle
3375  * @mdc_mdio_access:	access type
3376  * @port:		port id
3377  *
3378  * This function selects the MDC/MDIO access (through emac0 or
3379  * emac1) depend on the mdc_mdio_access, port, port swapped. Each
3380  * phy has a default access mode, which could also be overridden
3381  * by nvram configuration. This parameter, whether this is the
3382  * default phy configuration, or the nvram overrun
3383  * configuration, is passed here as mdc_mdio_access and selects
3384  * the emac_base for the CL45 read/writes operations
3385  */
3386 static uint32_t elink_get_emac_base(struct bnx2x_softc *sc,
3387 			       uint32_t mdc_mdio_access, uint8_t port)
3388 {
3389 	uint32_t emac_base = 0;
3390 	switch (mdc_mdio_access) {
3391 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
3392 		break;
3393 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
3394 		if (REG_RD(sc, NIG_REG_PORT_SWAP))
3395 			emac_base = GRCBASE_EMAC1;
3396 		else
3397 			emac_base = GRCBASE_EMAC0;
3398 		break;
3399 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
3400 		if (REG_RD(sc, NIG_REG_PORT_SWAP))
3401 			emac_base = GRCBASE_EMAC0;
3402 		else
3403 			emac_base = GRCBASE_EMAC1;
3404 		break;
3405 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
3406 		emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3407 		break;
3408 	case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
3409 		emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
3410 		break;
3411 	default:
3412 		break;
3413 	}
3414 	return emac_base;
3415 
3416 }
3417 
3418 /******************************************************************/
3419 /*			CL22 access functions			  */
3420 /******************************************************************/
3421 static elink_status_t elink_cl22_write(struct bnx2x_softc *sc,
3422 				       struct elink_phy *phy,
3423 				       uint16_t reg, uint16_t val)
3424 {
3425 	uint32_t tmp, mode;
3426 	uint8_t i;
3427 	elink_status_t rc = ELINK_STATUS_OK;
3428 	/* Switch to CL22 */
3429 	mode = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
3430 	REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
3431 	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
3432 
3433 	/* Address */
3434 	tmp = ((phy->addr << 21) | (reg << 16) | val |
3435 	       EMAC_MDIO_COMM_COMMAND_WRITE_22 |
3436 	       EMAC_MDIO_COMM_START_BUSY);
3437 	REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3438 
3439 	for (i = 0; i < 50; i++) {
3440 		DELAY(10);
3441 
3442 		tmp = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3443 		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3444 			DELAY(5);
3445 			break;
3446 		}
3447 	}
3448 	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3449 		ELINK_DEBUG_P0(sc, "write phy register failed");
3450 		rc = ELINK_STATUS_TIMEOUT;
3451 	}
3452 	REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
3453 	return rc;
3454 }
3455 
3456 static elink_status_t elink_cl22_read(struct bnx2x_softc *sc,
3457 				      struct elink_phy *phy,
3458 				      uint16_t reg, uint16_t *ret_val)
3459 {
3460 	uint32_t val, mode;
3461 	uint16_t i;
3462 	elink_status_t rc = ELINK_STATUS_OK;
3463 
3464 	/* Switch to CL22 */
3465 	mode = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
3466 	REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
3467 	       mode & ~EMAC_MDIO_MODE_CLAUSE_45);
3468 
3469 	/* Address */
3470 	val = ((phy->addr << 21) | (reg << 16) |
3471 	       EMAC_MDIO_COMM_COMMAND_READ_22 |
3472 	       EMAC_MDIO_COMM_START_BUSY);
3473 	REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3474 
3475 	for (i = 0; i < 50; i++) {
3476 		DELAY(10);
3477 
3478 		val = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3479 		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3480 			*ret_val = (uint16_t)(val & EMAC_MDIO_COMM_DATA);
3481 			DELAY(5);
3482 			break;
3483 		}
3484 	}
3485 	if (val & EMAC_MDIO_COMM_START_BUSY) {
3486 		ELINK_DEBUG_P0(sc, "read phy register failed");
3487 
3488 		*ret_val = 0;
3489 		rc = ELINK_STATUS_TIMEOUT;
3490 	}
3491 	REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
3492 	return rc;
3493 }
3494 
3495 /******************************************************************/
3496 /*			CL45 access functions			  */
3497 /******************************************************************/
3498 static elink_status_t elink_cl45_read(struct bnx2x_softc *sc,
3499 			   struct elink_phy *phy,
3500 			   uint8_t devad, uint16_t reg, uint16_t *ret_val)
3501 {
3502 	uint32_t val;
3503 	uint16_t i;
3504 	elink_status_t rc = ELINK_STATUS_OK;
3505 	uint32_t chip_id;
3506 	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_G) {
3507 		chip_id = (REG_RD(sc, MISC_REG_CHIP_NUM) << 16) |
3508 			  ((REG_RD(sc, MISC_REG_CHIP_REV) & 0xf) << 12);
3509 		elink_set_mdio_clk(sc, chip_id, phy->mdio_ctrl);
3510 	}
3511 
3512 	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
3513 		elink_bits_en(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3514 			      EMAC_MDIO_STATUS_10MB);
3515 	/* Address */
3516 	val = ((phy->addr << 21) | (devad << 16) | reg |
3517 	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
3518 	       EMAC_MDIO_COMM_START_BUSY);
3519 	REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3520 
3521 	for (i = 0; i < 50; i++) {
3522 		DELAY(10);
3523 
3524 		val = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3525 		if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3526 			DELAY(5);
3527 			break;
3528 		}
3529 	}
3530 	if (val & EMAC_MDIO_COMM_START_BUSY) {
3531 		ELINK_DEBUG_P0(sc, "read phy register failed");
3532 		elink_cb_event_log(sc, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT);
3533 		/* "MDC/MDIO access timeout" */
3534 
3535 		*ret_val = 0;
3536 		rc = ELINK_STATUS_TIMEOUT;
3537 	} else {
3538 		/* Data */
3539 		val = ((phy->addr << 21) | (devad << 16) |
3540 		       EMAC_MDIO_COMM_COMMAND_READ_45 |
3541 		       EMAC_MDIO_COMM_START_BUSY);
3542 		REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3543 
3544 		for (i = 0; i < 50; i++) {
3545 			DELAY(10);
3546 
3547 			val = REG_RD(sc, phy->mdio_ctrl +
3548 				     EMAC_REG_EMAC_MDIO_COMM);
3549 			if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3550 				*ret_val = (uint16_t)
3551 						(val & EMAC_MDIO_COMM_DATA);
3552 				break;
3553 			}
3554 		}
3555 		if (val & EMAC_MDIO_COMM_START_BUSY) {
3556 			ELINK_DEBUG_P0(sc, "read phy register failed");
3557 			elink_cb_event_log(sc,
3558 					   ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT);
3559 			/* "MDC/MDIO access timeout" */
3560 
3561 			*ret_val = 0;
3562 			rc = ELINK_STATUS_TIMEOUT;
3563 		}
3564 	}
3565 	/* Work around for E3 A0 */
3566 	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA) {
3567 		phy->flags ^= ELINK_FLAGS_DUMMY_READ;
3568 		if (phy->flags & ELINK_FLAGS_DUMMY_READ) {
3569 			uint16_t temp_val;
3570 			elink_cl45_read(sc, phy, devad, 0xf, &temp_val);
3571 		}
3572 	}
3573 
3574 	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
3575 		elink_bits_dis(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3576 			       EMAC_MDIO_STATUS_10MB);
3577 	return rc;
3578 }
3579 
3580 static elink_status_t elink_cl45_write(struct bnx2x_softc *sc,
3581 			    struct elink_phy *phy,
3582 			    uint8_t devad, uint16_t reg, uint16_t val)
3583 {
3584 	uint32_t tmp;
3585 	uint8_t i;
3586 	elink_status_t rc = ELINK_STATUS_OK;
3587 	uint32_t chip_id;
3588 	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_G) {
3589 		chip_id = (REG_RD(sc, MISC_REG_CHIP_NUM) << 16) |
3590 			  ((REG_RD(sc, MISC_REG_CHIP_REV) & 0xf) << 12);
3591 		elink_set_mdio_clk(sc, chip_id, phy->mdio_ctrl);
3592 	}
3593 
3594 	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
3595 		elink_bits_en(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3596 			      EMAC_MDIO_STATUS_10MB);
3597 
3598 	/* Address */
3599 	tmp = ((phy->addr << 21) | (devad << 16) | reg |
3600 	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
3601 	       EMAC_MDIO_COMM_START_BUSY);
3602 	REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3603 
3604 	for (i = 0; i < 50; i++) {
3605 		DELAY(10);
3606 
3607 		tmp = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3608 		if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3609 			DELAY(5);
3610 			break;
3611 		}
3612 	}
3613 	if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3614 		ELINK_DEBUG_P0(sc, "write phy register failed");
3615 		elink_cb_event_log(sc, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT);
3616 		/* "MDC/MDIO access timeout" */
3617 
3618 		rc = ELINK_STATUS_TIMEOUT;
3619 	} else {
3620 		/* Data */
3621 		tmp = ((phy->addr << 21) | (devad << 16) | val |
3622 		       EMAC_MDIO_COMM_COMMAND_WRITE_45 |
3623 		       EMAC_MDIO_COMM_START_BUSY);
3624 		REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3625 
3626 		for (i = 0; i < 50; i++) {
3627 			DELAY(10);
3628 
3629 			tmp = REG_RD(sc, phy->mdio_ctrl +
3630 				     EMAC_REG_EMAC_MDIO_COMM);
3631 			if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3632 				DELAY(5);
3633 				break;
3634 			}
3635 		}
3636 		if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3637 			ELINK_DEBUG_P0(sc, "write phy register failed");
3638 			elink_cb_event_log(sc,
3639 					   ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT);
3640 			/* "MDC/MDIO access timeout" */
3641 
3642 			rc = ELINK_STATUS_TIMEOUT;
3643 		}
3644 	}
3645 	/* Work around for E3 A0 */
3646 	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA) {
3647 		phy->flags ^= ELINK_FLAGS_DUMMY_READ;
3648 		if (phy->flags & ELINK_FLAGS_DUMMY_READ) {
3649 			uint16_t temp_val;
3650 			elink_cl45_read(sc, phy, devad, 0xf, &temp_val);
3651 		}
3652 	}
3653 	if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
3654 		elink_bits_dis(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3655 			       EMAC_MDIO_STATUS_10MB);
3656 	return rc;
3657 }
3658 
3659 /******************************************************************/
3660 /*			EEE section				   */
3661 /******************************************************************/
3662 static uint8_t elink_eee_has_cap(struct elink_params *params)
3663 {
3664 	struct bnx2x_softc *sc = params->sc;
3665 
3666 	if (REG_RD(sc, params->shmem2_base) <=
3667 		   offsetof(struct shmem2_region, eee_status[params->port]))
3668 		return 0;
3669 
3670 	return 1;
3671 }
3672 
3673 static elink_status_t elink_eee_nvram_to_time(uint32_t nvram_mode,
3674 					      uint32_t *idle_timer)
3675 {
3676 	switch (nvram_mode) {
3677 	case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
3678 		*idle_timer = ELINK_EEE_MODE_NVRAM_BALANCED_TIME;
3679 		break;
3680 	case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
3681 		*idle_timer = ELINK_EEE_MODE_NVRAM_AGGRESSIVE_TIME;
3682 		break;
3683 	case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
3684 		*idle_timer = ELINK_EEE_MODE_NVRAM_LATENCY_TIME;
3685 		break;
3686 	default:
3687 		*idle_timer = 0;
3688 		break;
3689 	}
3690 
3691 	return ELINK_STATUS_OK;
3692 }
3693 
3694 static elink_status_t elink_eee_time_to_nvram(uint32_t idle_timer,
3695 					      uint32_t *nvram_mode)
3696 {
3697 	switch (idle_timer) {
3698 	case ELINK_EEE_MODE_NVRAM_BALANCED_TIME:
3699 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
3700 		break;
3701 	case ELINK_EEE_MODE_NVRAM_AGGRESSIVE_TIME:
3702 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
3703 		break;
3704 	case ELINK_EEE_MODE_NVRAM_LATENCY_TIME:
3705 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
3706 		break;
3707 	default:
3708 		*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
3709 		break;
3710 	}
3711 
3712 	return ELINK_STATUS_OK;
3713 }
3714 
3715 static uint32_t elink_eee_calc_timer(struct elink_params *params)
3716 {
3717 	uint32_t eee_mode, eee_idle;
3718 	struct bnx2x_softc *sc = params->sc;
3719 
3720 	if (params->eee_mode & ELINK_EEE_MODE_OVERRIDE_NVRAM) {
3721 		if (params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME) {
3722 			/* time value in eee_mode --> used directly*/
3723 			eee_idle = params->eee_mode & ELINK_EEE_MODE_TIMER_MASK;
3724 		} else {
3725 			/* hsi value in eee_mode --> time */
3726 			if (elink_eee_nvram_to_time(params->eee_mode &
3727 						    ELINK_EEE_MODE_NVRAM_MASK,
3728 						    &eee_idle))
3729 				return 0;
3730 		}
3731 	} else {
3732 		/* hsi values in nvram --> time*/
3733 		eee_mode = ((REG_RD(sc, params->shmem_base +
3734 				    offsetof(struct shmem_region, dev_info.
3735 				    port_feature_config[params->port].
3736 				    eee_power_mode)) &
3737 			     PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
3738 			    PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
3739 
3740 		if (elink_eee_nvram_to_time(eee_mode, &eee_idle))
3741 			return 0;
3742 	}
3743 
3744 	return eee_idle;
3745 }
3746 
3747 static elink_status_t elink_eee_set_timers(struct elink_params *params,
3748 				   struct elink_vars *vars)
3749 {
3750 	uint32_t eee_idle = 0, eee_mode;
3751 	struct bnx2x_softc *sc = params->sc;
3752 
3753 	eee_idle = elink_eee_calc_timer(params);
3754 
3755 	if (eee_idle) {
3756 		REG_WR(sc, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
3757 		       eee_idle);
3758 	} else if ((params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI) &&
3759 		   (params->eee_mode & ELINK_EEE_MODE_OVERRIDE_NVRAM) &&
3760 		   (params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME)) {
3761 		ELINK_DEBUG_P0(sc, "Error: Tx LPI is enabled with timer 0");
3762 		return ELINK_STATUS_ERROR;
3763 	}
3764 
3765 	vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
3766 	if (params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME) {
3767 		/* eee_idle in 1u --> eee_status in 16u */
3768 		eee_idle >>= 4;
3769 		vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
3770 				    SHMEM_EEE_TIME_OUTPUT_BIT;
3771 	} else {
3772 		if (elink_eee_time_to_nvram(eee_idle, &eee_mode))
3773 			return ELINK_STATUS_ERROR;
3774 		vars->eee_status |= eee_mode;
3775 	}
3776 
3777 	return ELINK_STATUS_OK;
3778 }
3779 
3780 static elink_status_t elink_eee_initial_config(struct elink_params *params,
3781 				     struct elink_vars *vars, uint8_t mode)
3782 {
3783 	vars->eee_status |= ((uint32_t) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
3784 
3785 	/* Propagate params' bits --> vars (for migration exposure) */
3786 	if (params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI)
3787 		vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
3788 	else
3789 		vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
3790 
3791 	if (params->eee_mode & ELINK_EEE_MODE_ADV_LPI)
3792 		vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
3793 	else
3794 		vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
3795 
3796 	return elink_eee_set_timers(params, vars);
3797 }
3798 
3799 static elink_status_t elink_eee_disable(struct elink_phy *phy,
3800 				struct elink_params *params,
3801 				struct elink_vars *vars)
3802 {
3803 	struct bnx2x_softc *sc = params->sc;
3804 
3805 	/* Make Certain LPI is disabled */
3806 	REG_WR(sc, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
3807 
3808 	elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
3809 
3810 	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
3811 
3812 	return ELINK_STATUS_OK;
3813 }
3814 
3815 static elink_status_t elink_eee_advertise(struct elink_phy *phy,
3816 				  struct elink_params *params,
3817 				  struct elink_vars *vars, uint8_t modes)
3818 {
3819 	struct bnx2x_softc *sc = params->sc;
3820 	uint16_t val = 0;
3821 
3822 	/* Mask events preventing LPI generation */
3823 	REG_WR(sc, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
3824 
3825 	if (modes & SHMEM_EEE_10G_ADV) {
3826 		ELINK_DEBUG_P0(sc, "Advertise 10GBase-T EEE");
3827 		val |= 0x8;
3828 	}
3829 	if (modes & SHMEM_EEE_1G_ADV) {
3830 		ELINK_DEBUG_P0(sc, "Advertise 1GBase-T EEE");
3831 		val |= 0x4;
3832 	}
3833 
3834 	elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
3835 
3836 	vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
3837 	vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
3838 
3839 	return ELINK_STATUS_OK;
3840 }
3841 
3842 static void elink_update_mng_eee(struct elink_params *params,
3843 				 uint32_t eee_status)
3844 {
3845 	struct bnx2x_softc *sc = params->sc;
3846 
3847 	if (elink_eee_has_cap(params))
3848 		REG_WR(sc, params->shmem2_base +
3849 		       offsetof(struct shmem2_region,
3850 				eee_status[params->port]), eee_status);
3851 }
3852 
3853 static void elink_eee_an_resolve(struct elink_phy *phy,
3854 				  struct elink_params *params,
3855 				  struct elink_vars *vars)
3856 {
3857 	struct bnx2x_softc *sc = params->sc;
3858 	uint16_t adv = 0, lp = 0;
3859 	uint32_t lp_adv = 0;
3860 	uint8_t neg = 0;
3861 
3862 	elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
3863 	elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
3864 
3865 	if (lp & 0x2) {
3866 		lp_adv |= SHMEM_EEE_100M_ADV;
3867 		if (adv & 0x2) {
3868 			if (vars->line_speed == ELINK_SPEED_100)
3869 				neg = 1;
3870 			ELINK_DEBUG_P0(sc, "EEE negotiated - 100M");
3871 		}
3872 	}
3873 	if (lp & 0x14) {
3874 		lp_adv |= SHMEM_EEE_1G_ADV;
3875 		if (adv & 0x14) {
3876 			if (vars->line_speed == ELINK_SPEED_1000)
3877 				neg = 1;
3878 			ELINK_DEBUG_P0(sc, "EEE negotiated - 1G");
3879 		}
3880 	}
3881 	if (lp & 0x68) {
3882 		lp_adv |= SHMEM_EEE_10G_ADV;
3883 		if (adv & 0x68) {
3884 			if (vars->line_speed == ELINK_SPEED_10000)
3885 				neg = 1;
3886 			ELINK_DEBUG_P0(sc, "EEE negotiated - 10G");
3887 		}
3888 	}
3889 
3890 	vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
3891 	vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
3892 
3893 	if (neg) {
3894 		ELINK_DEBUG_P0(sc, "EEE is active");
3895 		vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
3896 	}
3897 }
3898 
3899 /******************************************************************/
3900 /*			BSC access functions from E3	          */
3901 /******************************************************************/
3902 static void elink_bsc_module_sel(struct elink_params *params)
3903 {
3904 	int idx;
3905 	uint32_t board_cfg, sfp_ctrl;
3906 	uint32_t i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3907 	struct bnx2x_softc *sc = params->sc;
3908 	uint8_t port = params->port;
3909 	/* Read I2C output PINs */
3910 	board_cfg = REG_RD(sc, params->shmem_base +
3911 			   offsetof(struct shmem_region,
3912 				    dev_info.shared_hw_config.board));
3913 	i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3914 	i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3915 			SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3916 
3917 	/* Read I2C output value */
3918 	sfp_ctrl = REG_RD(sc, params->shmem_base +
3919 			  offsetof(struct shmem_region,
3920 				 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3921 	i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3922 	i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3923 	ELINK_DEBUG_P0(sc, "Setting BSC switch");
3924 	for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3925 		elink_set_cfg_pin(sc, i2c_pins[idx], i2c_val[idx]);
3926 }
3927 
3928 static elink_status_t elink_bsc_read(struct bnx2x_softc *sc,
3929 			  uint8_t sl_devid,
3930 			  uint16_t sl_addr,
3931 			  uint8_t lc_addr,
3932 			  uint8_t xfer_cnt,
3933 			  uint32_t *data_array)
3934 {
3935 	uint32_t val, i;
3936 	elink_status_t rc = ELINK_STATUS_OK;
3937 
3938 	if (xfer_cnt > 16) {
3939 		ELINK_DEBUG_P1(sc, "invalid xfer_cnt %d. Max is 16 bytes",
3940 					xfer_cnt);
3941 		return ELINK_STATUS_ERROR;
3942 	}
3943 
3944 	xfer_cnt = 16 - lc_addr;
3945 
3946 	/* Enable the engine */
3947 	val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
3948 	val |= MCPR_IMC_COMMAND_ENABLE;
3949 	REG_WR(sc, MCP_REG_MCPR_IMC_COMMAND, val);
3950 
3951 	/* Program slave device ID */
3952 	val = (sl_devid << 16) | sl_addr;
3953 	REG_WR(sc, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3954 
3955 	/* Start xfer with 0 byte to update the address pointer ???*/
3956 	val = (MCPR_IMC_COMMAND_ENABLE) |
3957 	      (MCPR_IMC_COMMAND_WRITE_OP <<
3958 		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3959 		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3960 	REG_WR(sc, MCP_REG_MCPR_IMC_COMMAND, val);
3961 
3962 	/* Poll for completion */
3963 	i = 0;
3964 	val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
3965 	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3966 		DELAY(10);
3967 		val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
3968 		if (i++ > 1000) {
3969 			ELINK_DEBUG_P1(sc, "wr 0 byte timed out after %d try",
3970 								i);
3971 			rc = ELINK_STATUS_TIMEOUT;
3972 			break;
3973 		}
3974 	}
3975 	if (rc == ELINK_STATUS_TIMEOUT)
3976 		return rc;
3977 
3978 	/* Start xfer with read op */
3979 	val = (MCPR_IMC_COMMAND_ENABLE) |
3980 		(MCPR_IMC_COMMAND_READ_OP <<
3981 		MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3982 		(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3983 		  (xfer_cnt);
3984 	REG_WR(sc, MCP_REG_MCPR_IMC_COMMAND, val);
3985 
3986 	/* Poll for completion */
3987 	i = 0;
3988 	val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
3989 	while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3990 		DELAY(10);
3991 		val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
3992 		if (i++ > 1000) {
3993 			ELINK_DEBUG_P1(sc, "rd op timed out after %d try", i);
3994 			rc = ELINK_STATUS_TIMEOUT;
3995 			break;
3996 		}
3997 	}
3998 	if (rc == ELINK_STATUS_TIMEOUT)
3999 		return rc;
4000 
4001 	for (i = (lc_addr >> 2); i < 4; i++) {
4002 		data_array[i] = REG_RD(sc, (MCP_REG_MCPR_IMC_DATAREG0 + i * 4));
4003 #ifdef __BIG_ENDIAN
4004 		data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
4005 				((data_array[i] & 0x0000ff00) << 8) |
4006 				((data_array[i] & 0x00ff0000) >> 8) |
4007 				((data_array[i] & 0xff000000) >> 24);
4008 #endif
4009 	}
4010 	return rc;
4011 }
4012 
4013 static void elink_cl45_read_or_write(struct bnx2x_softc *sc,
4014 				     struct elink_phy *phy,
4015 				     uint8_t devad, uint16_t reg,
4016 				     uint16_t or_val)
4017 {
4018 	uint16_t val;
4019 	elink_cl45_read(sc, phy, devad, reg, &val);
4020 	elink_cl45_write(sc, phy, devad, reg, val | or_val);
4021 }
4022 
4023 static void elink_cl45_read_and_write(struct bnx2x_softc *sc,
4024 				      struct elink_phy *phy,
4025 				      uint8_t devad, uint16_t reg,
4026 				      uint16_t and_val)
4027 {
4028 	uint16_t val;
4029 	elink_cl45_read(sc, phy, devad, reg, &val);
4030 	elink_cl45_write(sc, phy, devad, reg, val & and_val);
4031 }
4032 
4033 elink_status_t elink_phy_read(struct elink_params *params, uint8_t phy_addr,
4034 		   uint8_t devad, uint16_t reg, uint16_t *ret_val)
4035 {
4036 	uint8_t phy_index;
4037 	/* Probe for the phy according to the given phy_addr, and execute
4038 	 * the read request on it
4039 	 */
4040 	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
4041 		if (params->phy[phy_index].addr == phy_addr) {
4042 			return elink_cl45_read(params->sc,
4043 					       &params->phy[phy_index], devad,
4044 					       reg, ret_val);
4045 		}
4046 	}
4047 	return ELINK_STATUS_ERROR;
4048 }
4049 
4050 elink_status_t elink_phy_write(struct elink_params *params, uint8_t phy_addr,
4051 		    uint8_t devad, uint16_t reg, uint16_t val)
4052 {
4053 	uint8_t phy_index;
4054 	/* Probe for the phy according to the given phy_addr, and execute
4055 	 * the write request on it
4056 	 */
4057 	for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
4058 		if (params->phy[phy_index].addr == phy_addr) {
4059 			return elink_cl45_write(params->sc,
4060 						&params->phy[phy_index], devad,
4061 						reg, val);
4062 		}
4063 	}
4064 	return ELINK_STATUS_ERROR;
4065 }
4066 
4067 static uint8_t elink_get_warpcore_lane(__rte_unused struct elink_phy *phy,
4068 				  struct elink_params *params)
4069 {
4070 	uint8_t lane = 0;
4071 	struct bnx2x_softc *sc = params->sc;
4072 	uint32_t path_swap, path_swap_ovr;
4073 	uint8_t path, port;
4074 
4075 	path = SC_PATH(sc);
4076 	port = params->port;
4077 
4078 	if (elink_is_4_port_mode(sc)) {
4079 		uint32_t port_swap, port_swap_ovr;
4080 
4081 		/* Figure out path swap value */
4082 		path_swap_ovr = REG_RD(sc, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
4083 		if (path_swap_ovr & 0x1)
4084 			path_swap = (path_swap_ovr & 0x2);
4085 		else
4086 			path_swap = REG_RD(sc, MISC_REG_FOUR_PORT_PATH_SWAP);
4087 
4088 		if (path_swap)
4089 			path = path ^ 1;
4090 
4091 		/* Figure out port swap value */
4092 		port_swap_ovr = REG_RD(sc, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
4093 		if (port_swap_ovr & 0x1)
4094 			port_swap = (port_swap_ovr & 0x2);
4095 		else
4096 			port_swap = REG_RD(sc, MISC_REG_FOUR_PORT_PORT_SWAP);
4097 
4098 		if (port_swap)
4099 			port = port ^ 1;
4100 
4101 		lane = (port << 1) + path;
4102 	} else { /* Two port mode - no port swap */
4103 
4104 		/* Figure out path swap value */
4105 		path_swap_ovr =
4106 			REG_RD(sc, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
4107 		if (path_swap_ovr & 0x1) {
4108 			path_swap = (path_swap_ovr & 0x2);
4109 		} else {
4110 			path_swap =
4111 				REG_RD(sc, MISC_REG_TWO_PORT_PATH_SWAP);
4112 		}
4113 		if (path_swap)
4114 			path = path ^ 1;
4115 
4116 		lane = path << 1;
4117 	}
4118 	return lane;
4119 }
4120 
4121 
4122 static void elink_set_aer_mmd(struct elink_params *params,
4123 			      struct elink_phy *phy)
4124 {
4125 	uint32_t ser_lane;
4126 	uint16_t offset, aer_val;
4127 	struct bnx2x_softc *sc = params->sc;
4128 	ser_lane = ((params->lane_config &
4129 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4130 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
4131 
4132 	offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
4133 		(phy->addr + ser_lane) : 0;
4134 
4135 	if (USES_WARPCORE(sc)) {
4136 		aer_val = elink_get_warpcore_lane(phy, params);
4137 		/* In Dual-lane mode, two lanes are joined together,
4138 		 * so in order to configure them, the AER broadcast method is
4139 		 * used here.
4140 		 * 0x200 is the broadcast address for lanes 0,1
4141 		 * 0x201 is the broadcast address for lanes 2,3
4142 		 */
4143 		if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
4144 			aer_val = (aer_val >> 1) | 0x200;
4145 	} else if (CHIP_IS_E2(sc))
4146 		aer_val = 0x3800 + offset - 1;
4147 	else
4148 		aer_val = 0x3800 + offset;
4149 
4150 	CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4151 			  MDIO_AER_BLOCK_AER_REG, aer_val);
4152 
4153 }
4154 
4155 /******************************************************************/
4156 /*			Internal phy section			  */
4157 /******************************************************************/
4158 
4159 static void elink_set_serdes_access(struct bnx2x_softc *sc, uint8_t port)
4160 {
4161 	uint32_t emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
4162 
4163 	/* Set Clause 22 */
4164 	REG_WR(sc, NIG_REG_SERDES0_CTRL_MD_ST + port * 0x10, 1);
4165 	REG_WR(sc, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
4166 	DELAY(500);
4167 	REG_WR(sc, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
4168 	DELAY(500);
4169 	 /* Set Clause 45 */
4170 	REG_WR(sc, NIG_REG_SERDES0_CTRL_MD_ST + port * 0x10, 0);
4171 }
4172 
4173 static void elink_serdes_deassert(struct bnx2x_softc *sc, uint8_t port)
4174 {
4175 	uint32_t val;
4176 
4177 	ELINK_DEBUG_P0(sc, "elink_serdes_deassert");
4178 
4179 	val = ELINK_SERDES_RESET_BITS << (port * 16);
4180 
4181 	/* Reset and unreset the SerDes/XGXS */
4182 	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
4183 	DELAY(500);
4184 	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
4185 
4186 	elink_set_serdes_access(sc, port);
4187 
4188 	REG_WR(sc, NIG_REG_SERDES0_CTRL_MD_DEVAD + port * 0x10,
4189 	       ELINK_DEFAULT_PHY_DEV_ADDR);
4190 }
4191 
4192 static void elink_xgxs_specific_func(struct elink_phy *phy,
4193 				     struct elink_params *params,
4194 				     uint32_t action)
4195 {
4196 	struct bnx2x_softc *sc = params->sc;
4197 	switch (action) {
4198 	case ELINK_PHY_INIT:
4199 		/* Set correct devad */
4200 		REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_ST + params->port * 0x18, 0);
4201 		REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port * 0x18,
4202 		       phy->def_md_devad);
4203 		break;
4204 	}
4205 }
4206 
4207 static void elink_xgxs_deassert(struct elink_params *params)
4208 {
4209 	struct bnx2x_softc *sc = params->sc;
4210 	uint8_t port;
4211 	uint32_t val;
4212 	ELINK_DEBUG_P0(sc, "elink_xgxs_deassert");
4213 	port = params->port;
4214 
4215 	val = ELINK_XGXS_RESET_BITS << (port * 16);
4216 
4217 	/* Reset and unreset the SerDes/XGXS */
4218 	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
4219 	DELAY(500);
4220 	REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
4221 	elink_xgxs_specific_func(&params->phy[ELINK_INT_PHY], params,
4222 				 ELINK_PHY_INIT);
4223 }
4224 
4225 static void elink_calc_ieee_aneg_adv(struct elink_phy *phy,
4226 				     struct elink_params *params,
4227 				     uint16_t *ieee_fc)
4228 {
4229 	struct bnx2x_softc *sc = params->sc;
4230 	*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
4231 	/* Resolve pause mode and advertisement Please refer to Table
4232 	 * 28B-3 of the 802.3ab-1999 spec
4233 	 */
4234 
4235 	switch (phy->req_flow_ctrl) {
4236 	case ELINK_FLOW_CTRL_AUTO:
4237 		switch (params->req_fc_auto_adv) {
4238 		case ELINK_FLOW_CTRL_BOTH:
4239 		case ELINK_FLOW_CTRL_RX:
4240 			*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
4241 			break;
4242 		case ELINK_FLOW_CTRL_TX:
4243 			*ieee_fc |=
4244 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
4245 			break;
4246 		default:
4247 			break;
4248 		}
4249 		break;
4250 	case ELINK_FLOW_CTRL_TX:
4251 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
4252 		break;
4253 
4254 	case ELINK_FLOW_CTRL_RX:
4255 	case ELINK_FLOW_CTRL_BOTH:
4256 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
4257 		break;
4258 
4259 	case ELINK_FLOW_CTRL_NONE:
4260 	default:
4261 		*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
4262 		break;
4263 	}
4264 	ELINK_DEBUG_P1(sc, "ieee_fc = 0x%x", *ieee_fc);
4265 }
4266 
4267 static void set_phy_vars(struct elink_params *params,
4268 			 struct elink_vars *vars)
4269 {
4270 	struct bnx2x_softc *sc = params->sc;
4271 	uint8_t actual_phy_idx, phy_index, link_cfg_idx;
4272 	uint8_t phy_config_swapped = params->multi_phy_config &
4273 			PORT_HW_CFG_PHY_SWAPPED_ENABLED;
4274 	for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys;
4275 	      phy_index++) {
4276 		link_cfg_idx = ELINK_LINK_CONFIG_IDX(phy_index);
4277 		actual_phy_idx = phy_index;
4278 		if (phy_config_swapped) {
4279 			if (phy_index == ELINK_EXT_PHY1)
4280 				actual_phy_idx = ELINK_EXT_PHY2;
4281 			else if (phy_index == ELINK_EXT_PHY2)
4282 				actual_phy_idx = ELINK_EXT_PHY1;
4283 		}
4284 		params->phy[actual_phy_idx].req_flow_ctrl =
4285 			params->req_flow_ctrl[link_cfg_idx];
4286 
4287 		params->phy[actual_phy_idx].req_line_speed =
4288 			params->req_line_speed[link_cfg_idx];
4289 
4290 		params->phy[actual_phy_idx].speed_cap_mask =
4291 			params->speed_cap_mask[link_cfg_idx];
4292 
4293 		params->phy[actual_phy_idx].req_duplex =
4294 			params->req_duplex[link_cfg_idx];
4295 
4296 		if (params->req_line_speed[link_cfg_idx] ==
4297 		    ELINK_SPEED_AUTO_NEG)
4298 			vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
4299 
4300 		ELINK_DEBUG_P3(sc, "req_flow_ctrl %x, req_line_speed %x,"
4301 			   " speed_cap_mask %x",
4302 			   params->phy[actual_phy_idx].req_flow_ctrl,
4303 			   params->phy[actual_phy_idx].req_line_speed,
4304 			   params->phy[actual_phy_idx].speed_cap_mask);
4305 	}
4306 }
4307 
4308 static void elink_ext_phy_set_pause(struct elink_params *params,
4309 				    struct elink_phy *phy,
4310 				    struct elink_vars *vars)
4311 {
4312 	uint16_t val;
4313 	struct bnx2x_softc *sc = params->sc;
4314 	/* Read modify write pause advertizing */
4315 	elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
4316 
4317 	val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
4318 
4319 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
4320 	elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
4321 	if ((vars->ieee_fc &
4322 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
4323 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
4324 		val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
4325 	}
4326 	if ((vars->ieee_fc &
4327 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
4328 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
4329 		val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
4330 	}
4331 	ELINK_DEBUG_P1(sc, "Ext phy AN advertize 0x%x", val);
4332 	elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
4333 }
4334 
4335 static void elink_pause_resolve(__rte_unused struct elink_phy *phy,
4336 				struct elink_params *params,
4337 				struct elink_vars *vars,
4338 				uint32_t pause_result)
4339 {
4340 	struct bnx2x_softc *sc = params->sc;
4341 						/*  LD	    LP	 */
4342 	switch (pause_result) {			/* ASYM P ASYM P */
4343 	case 0xb:				/*   1  0   1  1 */
4344 		ELINK_DEBUG_P0(sc, "Flow Control: TX only");
4345 		vars->flow_ctrl = ELINK_FLOW_CTRL_TX;
4346 		break;
4347 
4348 	case 0xe:				/*   1  1   1  0 */
4349 		ELINK_DEBUG_P0(sc, "Flow Control: RX only");
4350 		vars->flow_ctrl = ELINK_FLOW_CTRL_RX;
4351 		break;
4352 
4353 	case 0x5:				/*   0  1   0  1 */
4354 	case 0x7:				/*   0  1   1  1 */
4355 	case 0xd:				/*   1  1   0  1 */
4356 	case 0xf:				/*   1  1   1  1 */
4357 		/* If the user selected to advertise RX ONLY,
4358 		 * although we advertised both, need to enable
4359 		 * RX only.
4360 		 */
4361 
4362 		if (params->req_fc_auto_adv == ELINK_FLOW_CTRL_BOTH) {
4363 			ELINK_DEBUG_P0(sc, "Flow Control: RX & TX");
4364 		vars->flow_ctrl = ELINK_FLOW_CTRL_BOTH;
4365 		} else {
4366 			ELINK_DEBUG_P0(sc, "Flow Control: RX only");
4367 			vars->flow_ctrl = ELINK_FLOW_CTRL_RX;
4368 		}
4369 		break;
4370 	default:
4371 		ELINK_DEBUG_P0(sc, "Flow Control: None");
4372 		vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
4373 		break;
4374 	}
4375 	if (pause_result & (1 << 0))
4376 		vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
4377 	if (pause_result & (1 << 1))
4378 		vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
4379 
4380 }
4381 
4382 static void elink_ext_phy_update_adv_fc(struct elink_phy *phy,
4383 					struct elink_params *params,
4384 					struct elink_vars *vars)
4385 {
4386 	uint16_t ld_pause;		/* local */
4387 	uint16_t lp_pause;		/* link partner */
4388 	uint16_t pause_result;
4389 	struct bnx2x_softc *sc = params->sc;
4390 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY2_TYPE_BNX2X54618SE) {
4391 		elink_cl22_read(sc, phy, 0x4, &ld_pause);
4392 		elink_cl22_read(sc, phy, 0x5, &lp_pause);
4393 	} else if (CHIP_IS_E3(sc) &&
4394 		ELINK_SINGLE_MEDIA_DIRECT(params)) {
4395 		uint8_t lane = elink_get_warpcore_lane(phy, params);
4396 		uint16_t gp_status, gp_mask;
4397 		elink_cl45_read(sc, phy,
4398 				MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
4399 				&gp_status);
4400 		gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
4401 			   MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
4402 			lane;
4403 		if ((gp_status & gp_mask) == gp_mask) {
4404 			elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
4405 					MDIO_AN_REG_ADV_PAUSE, &ld_pause);
4406 			elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
4407 					MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
4408 		} else {
4409 			elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
4410 					MDIO_AN_REG_CL37_FC_LD, &ld_pause);
4411 			elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
4412 					MDIO_AN_REG_CL37_FC_LP, &lp_pause);
4413 			ld_pause = ((ld_pause &
4414 				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
4415 				    << 3);
4416 			lp_pause = ((lp_pause &
4417 				     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
4418 				    << 3);
4419 		}
4420 	} else {
4421 		elink_cl45_read(sc, phy,
4422 				MDIO_AN_DEVAD,
4423 				MDIO_AN_REG_ADV_PAUSE, &ld_pause);
4424 		elink_cl45_read(sc, phy,
4425 				MDIO_AN_DEVAD,
4426 				MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
4427 	}
4428 	pause_result = (ld_pause &
4429 			MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
4430 	pause_result |= (lp_pause &
4431 			 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
4432 	ELINK_DEBUG_P1(sc, "Ext PHY pause result 0x%x", pause_result);
4433 	elink_pause_resolve(phy, params, vars, pause_result);
4434 
4435 }
4436 
4437 static uint8_t elink_ext_phy_resolve_fc(struct elink_phy *phy,
4438 				   struct elink_params *params,
4439 				   struct elink_vars *vars)
4440 {
4441 	uint8_t ret = 0;
4442 	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
4443 	if (phy->req_flow_ctrl != ELINK_FLOW_CTRL_AUTO) {
4444 		/* Update the advertised flow-controled of LD/LP in AN */
4445 		if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
4446 			elink_ext_phy_update_adv_fc(phy, params, vars);
4447 		/* But set the flow-control result as the requested one */
4448 		vars->flow_ctrl = phy->req_flow_ctrl;
4449 	} else if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG)
4450 		vars->flow_ctrl = params->req_fc_auto_adv;
4451 	else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
4452 		ret = 1;
4453 		elink_ext_phy_update_adv_fc(phy, params, vars);
4454 	}
4455 	return ret;
4456 }
4457 /******************************************************************/
4458 /*			Warpcore section			  */
4459 /******************************************************************/
4460 /* The init_internal_warpcore should mirror the xgxs,
4461  * i.e. reset the lane (if needed), set aer for the
4462  * init configuration, and set/clear SGMII flag. Internal
4463  * phy init is done purely in phy_init stage.
4464  */
4465 #define WC_TX_DRIVER(post2, idriver, ipre, ifir) \
4466 	((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
4467 	 (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
4468 	 (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET) | \
4469 	 (ifir << MDIO_WC_REG_TX0_TX_DRIVER_IFIR_OFFSET))
4470 
4471 #define WC_TX_FIR(post, main, pre) \
4472 	((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
4473 	 (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
4474 	 (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
4475 
4476 static void elink_update_link_attr(struct elink_params *params,
4477 				   uint32_t link_attr)
4478 {
4479 	struct bnx2x_softc *sc = params->sc;
4480 
4481 	if (SHMEM2_HAS(sc, link_attr_sync))
4482 		REG_WR(sc, params->shmem2_base +
4483 		       offsetof(struct shmem2_region,
4484 				link_attr_sync[params->port]), link_attr);
4485 }
4486 
4487 static void elink_warpcore_enable_AN_KR2(struct elink_phy *phy,
4488 					 struct elink_params *params,
4489 					 __rte_unused struct elink_vars *vars)
4490 {
4491 	struct bnx2x_softc *sc = params->sc;
4492 	uint16_t i;
4493 	static struct elink_reg_set reg_set[] = {
4494 		/* Step 1 - Program the TX/RX alignment markers */
4495 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
4496 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
4497 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
4498 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
4499 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
4500 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
4501 		/* Step 2 - Configure the NP registers */
4502 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
4503 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
4504 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
4505 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
4506 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
4507 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
4508 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
4509 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
4510 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
4511 	};
4512 	ELINK_DEBUG_P0(sc, "Enabling 20G-KR2");
4513 
4514 	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4515 				 MDIO_WC_REG_CL49_USERB0_CTRL, (3 << 6));
4516 
4517 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
4518 		elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
4519 				 reg_set[i].val);
4520 
4521 	/* Start KR2 work-around timer which handles BNX2X8073 link-parner */
4522 	params->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
4523 	elink_update_link_attr(params, params->link_attr_sync);
4524 }
4525 
4526 static void elink_disable_kr2(struct elink_params *params,
4527 			      struct elink_vars *vars,
4528 			      struct elink_phy *phy)
4529 {
4530 	struct bnx2x_softc *sc = params->sc;
4531 	int i;
4532 	static struct elink_reg_set reg_set[] = {
4533 		/* Step 1 - Program the TX/RX alignment markers */
4534 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
4535 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
4536 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
4537 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
4538 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
4539 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
4540 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
4541 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
4542 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
4543 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
4544 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
4545 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
4546 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
4547 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
4548 		{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
4549 	};
4550 	ELINK_DEBUG_P0(sc, "Disabling 20G-KR2");
4551 
4552 	for (i = 0; i < (int)ARRAY_SIZE(reg_set); i++)
4553 		elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
4554 				 reg_set[i].val);
4555 	params->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
4556 	elink_update_link_attr(params, params->link_attr_sync);
4557 
4558 	vars->check_kr2_recovery_cnt = ELINK_CHECK_KR2_RECOVERY_CNT;
4559 }
4560 
4561 static void elink_warpcore_set_lpi_passthrough(struct elink_phy *phy,
4562 					       struct elink_params *params)
4563 {
4564 	struct bnx2x_softc *sc = params->sc;
4565 
4566 	ELINK_DEBUG_P0(sc, "Configure WC for LPI pass through");
4567 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4568 			 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
4569 	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4570 				 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
4571 }
4572 
4573 static void elink_warpcore_restart_AN_KR(struct elink_phy *phy,
4574 					 struct elink_params *params)
4575 {
4576 	/* Restart autoneg on the leading lane only */
4577 	struct bnx2x_softc *sc = params->sc;
4578 	uint16_t lane = elink_get_warpcore_lane(phy, params);
4579 	CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4580 			  MDIO_AER_BLOCK_AER_REG, lane);
4581 	elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
4582 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4583 
4584 	/* Restore AER */
4585 	elink_set_aer_mmd(params, phy);
4586 }
4587 
4588 static void elink_warpcore_enable_AN_KR(struct elink_phy *phy,
4589 					struct elink_params *params,
4590 					struct elink_vars *vars) {
4591 	uint16_t lane, i, cl72_ctrl, an_adv = 0, val;
4592 	uint32_t wc_lane_config;
4593 	struct bnx2x_softc *sc = params->sc;
4594 	static struct elink_reg_set reg_set[] = {
4595 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
4596 		{MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
4597 		{MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
4598 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
4599 		/* Disable Autoneg: re-enable it after adv is done. */
4600 		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
4601 		{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
4602 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
4603 	};
4604 	ELINK_DEBUG_P0(sc,  "Enable Auto Negotiation for KR");
4605 	/* Set to default registers that may be overridden by 10G force */
4606 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
4607 		elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
4608 				 reg_set[i].val);
4609 
4610 	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4611 			MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
4612 	cl72_ctrl &= 0x08ff;
4613 	cl72_ctrl |= 0x3800;
4614 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4615 			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
4616 
4617 	/* Check adding advertisement for 1G KX */
4618 	if (((vars->line_speed == ELINK_SPEED_AUTO_NEG) &&
4619 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
4620 	    (vars->line_speed == ELINK_SPEED_1000)) {
4621 		uint16_t addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
4622 		an_adv |= (1 << 5);
4623 
4624 		/* Enable CL37 1G Parallel Detect */
4625 		elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, addr, 0x1);
4626 		ELINK_DEBUG_P0(sc, "Advertize 1G");
4627 	}
4628 	if (((vars->line_speed == ELINK_SPEED_AUTO_NEG) &&
4629 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
4630 	    (vars->line_speed ==  ELINK_SPEED_10000)) {
4631 		/* Check adding advertisement for 10G KR */
4632 		an_adv |= (1 << 7);
4633 		/* Enable 10G Parallel Detect */
4634 		CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4635 				  MDIO_AER_BLOCK_AER_REG, 0);
4636 
4637 		elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
4638 				 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
4639 		elink_set_aer_mmd(params, phy);
4640 		ELINK_DEBUG_P0(sc, "Advertize 10G");
4641 	}
4642 
4643 	/* Set Transmit PMD settings */
4644 	lane = elink_get_warpcore_lane(phy, params);
4645 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4646 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10 * lane,
4647 			 WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
4648 	/* Configure the next lane if dual mode */
4649 	if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
4650 		elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4651 				 MDIO_WC_REG_TX0_TX_DRIVER + 0x10 * (lane + 1),
4652 				 WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
4653 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4654 			 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
4655 			 0x03f0);
4656 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4657 			 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
4658 			 0x03f0);
4659 
4660 	/* Advertised speeds */
4661 	elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
4662 			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
4663 
4664 	/* Advertised and set FEC (Forward Error Correction) */
4665 	elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
4666 			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
4667 			 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
4668 			  MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
4669 
4670 	/* Enable CL37 BAM */
4671 	if (REG_RD(sc, params->shmem_base +
4672 		   offsetof(struct shmem_region, dev_info.
4673 			    port_hw_config[params->port].default_cfg)) &
4674 	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
4675 		elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4676 					 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
4677 					 1);
4678 		ELINK_DEBUG_P0(sc, "Enable CL37 BAM on KR");
4679 	}
4680 
4681 	/* Advertise pause */
4682 	elink_ext_phy_set_pause(params, phy, vars);
4683 	vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
4684 	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4685 				 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
4686 
4687 	/* Over 1G - AN local device user page 1 */
4688 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4689 			MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
4690 
4691 	if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
4692 	     (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
4693 	    (phy->req_line_speed == ELINK_SPEED_20000)) {
4694 
4695 		CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4696 				  MDIO_AER_BLOCK_AER_REG, lane);
4697 
4698 		elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4699 					 MDIO_WC_REG_RX1_PCI_CTRL +
4700 					 (0x10 * lane),
4701 					 (1 << 11));
4702 
4703 		elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4704 				 MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
4705 		elink_set_aer_mmd(params, phy);
4706 
4707 		elink_warpcore_enable_AN_KR2(phy, params, vars);
4708 	} else {
4709 		/* Enable Auto-Detect to support 1G over CL37 as well */
4710 		elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4711 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
4712 		wc_lane_config = REG_RD(sc, params->shmem_base +
4713 					offsetof(struct shmem_region, dev_info.
4714 					shared_hw_config.wc_lane_config));
4715 		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4716 				MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4), &val);
4717 		/* Force cl48 sync_status LOW to avoid getting stuck in CL73
4718 		 * parallel-detect loop when CL73 and CL37 are enabled.
4719 		 */
4720 		val |= 1 << 11;
4721 
4722 		/* Restore Polarity settings in case it was run over by
4723 		 * previous link owner
4724 		 */
4725 		if (wc_lane_config &
4726 		    (SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED << lane))
4727 			val |= 3 << 2;
4728 		else
4729 			val &= ~(3 << 2);
4730 		elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4731 				 MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4),
4732 				 val);
4733 
4734 		elink_disable_kr2(params, vars, phy);
4735 	}
4736 
4737 	/* Enable Autoneg: only on the main lane */
4738 	elink_warpcore_restart_AN_KR(phy, params);
4739 }
4740 
4741 static void elink_warpcore_set_10G_KR(struct elink_phy *phy,
4742 				      struct elink_params *params,
4743 				      __rte_unused struct elink_vars *vars)
4744 {
4745 	struct bnx2x_softc *sc = params->sc;
4746 	uint16_t val16, i, lane;
4747 	static struct elink_reg_set reg_set[] = {
4748 		/* Disable Autoneg */
4749 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
4750 		{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
4751 			0x3f00},
4752 		{MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
4753 		{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
4754 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
4755 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
4756 		/* Leave cl72 training enable, needed for KR */
4757 		{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
4758 	};
4759 
4760 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
4761 		elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
4762 				 reg_set[i].val);
4763 
4764 	lane = elink_get_warpcore_lane(phy, params);
4765 	/* Global registers */
4766 	CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4767 			  MDIO_AER_BLOCK_AER_REG, 0);
4768 	/* Disable CL36 PCS Tx */
4769 	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4770 			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
4771 	val16 &= ~(0x0011 << lane);
4772 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4773 			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
4774 
4775 	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4776 			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
4777 	val16 |= (0x0303 << (lane << 1));
4778 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4779 			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
4780 	/* Restore AER */
4781 	elink_set_aer_mmd(params, phy);
4782 	/* Set speed via PMA/PMD register */
4783 	elink_cl45_write(sc, phy, MDIO_PMA_DEVAD,
4784 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
4785 
4786 	elink_cl45_write(sc, phy, MDIO_PMA_DEVAD,
4787 			 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
4788 
4789 	/* Enable encoded forced speed */
4790 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4791 			 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
4792 
4793 	/* Turn TX scramble payload only the 64/66 scrambler */
4794 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4795 			 MDIO_WC_REG_TX66_CONTROL, 0x9);
4796 
4797 	/* Turn RX scramble payload only the 64/66 scrambler */
4798 	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4799 				 MDIO_WC_REG_RX66_CONTROL, 0xF9);
4800 
4801 	/* Set and clear loopback to cause a reset to 64/66 decoder */
4802 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4803 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
4804 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4805 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
4806 
4807 }
4808 
4809 static void elink_warpcore_set_10G_XFI(struct elink_phy *phy,
4810 				       struct elink_params *params,
4811 				       uint8_t is_xfi)
4812 {
4813 	struct bnx2x_softc *sc = params->sc;
4814 	uint16_t misc1_val, tap_val, tx_driver_val, lane, val;
4815 	uint32_t cfg_tap_val, tx_drv_brdct, tx_equal;
4816 	uint32_t ifir_val, ipost2_val, ipre_driver_val;
4817 	/* Hold rxSeqStart */
4818 	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4819 				 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
4820 
4821 	/* Hold tx_fifo_reset */
4822 	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4823 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
4824 
4825 	/* Disable CL73 AN */
4826 	elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
4827 
4828 	/* Disable 100FX Enable and Auto-Detect */
4829 	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
4830 				  MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
4831 
4832 	/* Disable 100FX Idle detect */
4833 	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4834 				 MDIO_WC_REG_FX100_CTRL3, 0x0080);
4835 
4836 	/* Set Block address to Remote PHY & Clear forced_speed[5] */
4837 	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
4838 				  MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
4839 
4840 	/* Turn off auto-detect & fiber mode */
4841 	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
4842 				  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4843 				  0xFFEE);
4844 
4845 	/* Set filter_force_link, disable_false_link and parallel_detect */
4846 	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4847 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
4848 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4849 			 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4850 			 ((val | 0x0006) & 0xFFFE));
4851 
4852 	/* Set XFI / SFI */
4853 	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4854 			MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
4855 
4856 	misc1_val &= ~(0x1f);
4857 
4858 	if (is_xfi) {
4859 		misc1_val |= 0x5;
4860 		tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
4861 		tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03, 0);
4862 	} else {
4863 		cfg_tap_val = REG_RD(sc, params->shmem_base +
4864 				     offsetof(struct shmem_region, dev_info.
4865 					      port_hw_config[params->port].
4866 					      sfi_tap_values));
4867 
4868 		tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
4869 
4870 		misc1_val |= 0x9;
4871 
4872 		/* TAP values are controlled by nvram, if value there isn't 0 */
4873 		if (tx_equal)
4874 			tap_val = (uint16_t)tx_equal;
4875 		else
4876 			tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
4877 
4878 		ifir_val = DEFAULT_TX_DRV_IFIR;
4879 		ipost2_val = DEFAULT_TX_DRV_POST2;
4880 		ipre_driver_val = DEFAULT_TX_DRV_IPRE_DRIVER;
4881 		tx_drv_brdct = DEFAULT_TX_DRV_BRDCT;
4882 
4883 		/* If any of the IFIR/IPRE_DRIVER/POST@ is set, apply all
4884 		 * configuration.
4885 		 */
4886 		if (cfg_tap_val & (PORT_HW_CFG_TX_DRV_IFIR_MASK |
4887 				   PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK |
4888 				   PORT_HW_CFG_TX_DRV_POST2_MASK)) {
4889 			ifir_val = (cfg_tap_val &
4890 				    PORT_HW_CFG_TX_DRV_IFIR_MASK) >>
4891 				PORT_HW_CFG_TX_DRV_IFIR_SHIFT;
4892 			ipre_driver_val = (cfg_tap_val &
4893 					   PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK)
4894 			>> PORT_HW_CFG_TX_DRV_IPREDRIVER_SHIFT;
4895 			ipost2_val = (cfg_tap_val &
4896 				      PORT_HW_CFG_TX_DRV_POST2_MASK) >>
4897 				PORT_HW_CFG_TX_DRV_POST2_SHIFT;
4898 		}
4899 
4900 		if (cfg_tap_val & PORT_HW_CFG_TX_DRV_BROADCAST_MASK) {
4901 			tx_drv_brdct = (cfg_tap_val &
4902 					PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
4903 				PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
4904 		}
4905 
4906 		tx_driver_val = WC_TX_DRIVER(ipost2_val, tx_drv_brdct,
4907 					     ipre_driver_val, ifir_val);
4908 	}
4909 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4910 			 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
4911 
4912 	/* Set Transmit PMD settings */
4913 	lane = elink_get_warpcore_lane(phy, params);
4914 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4915 			 MDIO_WC_REG_TX_FIR_TAP,
4916 			 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
4917 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4918 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10 * lane,
4919 			 tx_driver_val);
4920 
4921 	/* Enable fiber mode, enable and invert sig_det */
4922 	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4923 				 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
4924 
4925 	/* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
4926 	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4927 				 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
4928 
4929 	elink_warpcore_set_lpi_passthrough(phy, params);
4930 
4931 	/* 10G XFI Full Duplex */
4932 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4933 			 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
4934 
4935 	/* Release tx_fifo_reset */
4936 	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
4937 				  MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4938 				  0xFFFE);
4939 	/* Release rxSeqStart */
4940 	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
4941 				  MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
4942 }
4943 
4944 static void elink_warpcore_set_20G_force_KR2(struct elink_phy *phy,
4945 					     struct elink_params *params)
4946 {
4947 	uint16_t val;
4948 	struct bnx2x_softc *sc = params->sc;
4949 	/* Set global registers, so set AER lane to 0 */
4950 	CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4951 			  MDIO_AER_BLOCK_AER_REG, 0);
4952 
4953 	/* Disable sequencer */
4954 	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
4955 				  MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1 << 13));
4956 
4957 	elink_set_aer_mmd(params, phy);
4958 
4959 	elink_cl45_read_and_write(sc, phy, MDIO_PMA_DEVAD,
4960 				  MDIO_WC_REG_PMD_KR_CONTROL, ~(1 << 1));
4961 	elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
4962 			 MDIO_AN_REG_CTRL, 0);
4963 	/* Turn off CL73 */
4964 	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4965 			MDIO_WC_REG_CL73_USERB0_CTRL, &val);
4966 	val &= ~(1 << 5);
4967 	val |= (1 << 6);
4968 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4969 			 MDIO_WC_REG_CL73_USERB0_CTRL, val);
4970 
4971 	/* Set 20G KR2 force speed */
4972 	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4973 				 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
4974 
4975 	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4976 				 MDIO_WC_REG_DIGITAL4_MISC3, (1 << 7));
4977 
4978 	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4979 			MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
4980 	val &= ~(3 << 14);
4981 	val |= (1 << 15);
4982 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4983 			 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
4984 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4985 			 MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
4986 
4987 	/* Enable sequencer (over lane 0) */
4988 	CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4989 			  MDIO_AER_BLOCK_AER_REG, 0);
4990 
4991 	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4992 				 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1 << 13));
4993 
4994 	elink_set_aer_mmd(params, phy);
4995 }
4996 
4997 static void elink_warpcore_set_20G_DXGXS(struct bnx2x_softc *sc,
4998 					 struct elink_phy *phy,
4999 					 uint16_t lane)
5000 {
5001 	/* Rx0 anaRxControl1G */
5002 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5003 			 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
5004 
5005 	/* Rx2 anaRxControl1G */
5006 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5007 			 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
5008 
5009 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5010 			 MDIO_WC_REG_RX66_SCW0, 0xE070);
5011 
5012 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5013 			 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
5014 
5015 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5016 			 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
5017 
5018 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5019 			 MDIO_WC_REG_RX66_SCW3, 0x8090);
5020 
5021 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5022 			 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
5023 
5024 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5025 			 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
5026 
5027 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5028 			 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
5029 
5030 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5031 			 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
5032 
5033 	/* Serdes Digital Misc1 */
5034 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5035 			 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
5036 
5037 	/* Serdes Digital4 Misc3 */
5038 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5039 			 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
5040 
5041 	/* Set Transmit PMD settings */
5042 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5043 			 MDIO_WC_REG_TX_FIR_TAP,
5044 			 (WC_TX_FIR(0x12, 0x2d, 0x00) |
5045 			  MDIO_WC_REG_TX_FIR_TAP_ENABLE));
5046 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5047 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10 * lane,
5048 			 WC_TX_DRIVER(0x02, 0x02, 0x02, 0));
5049 }
5050 
5051 static void elink_warpcore_set_sgmii_speed(struct elink_phy *phy,
5052 					   struct elink_params *params,
5053 					   uint8_t fiber_mode,
5054 					   uint8_t always_autoneg)
5055 {
5056 	struct bnx2x_softc *sc = params->sc;
5057 	uint16_t val16, digctrl_kx1, digctrl_kx2;
5058 
5059 	/* Clear XFI clock comp in non-10G single lane mode. */
5060 	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
5061 				  MDIO_WC_REG_RX66_CONTROL, ~(3 << 13));
5062 
5063 	elink_warpcore_set_lpi_passthrough(phy, params);
5064 
5065 	if (always_autoneg || phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
5066 		/* SGMII Autoneg */
5067 		elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
5068 					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
5069 					 0x1000);
5070 		ELINK_DEBUG_P0(sc, "set SGMII AUTONEG");
5071 	} else {
5072 		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5073 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
5074 		val16 &= 0xcebf;
5075 		switch (phy->req_line_speed) {
5076 		case ELINK_SPEED_10:
5077 			break;
5078 		case ELINK_SPEED_100:
5079 			val16 |= 0x2000;
5080 			break;
5081 		case ELINK_SPEED_1000:
5082 			val16 |= 0x0040;
5083 			break;
5084 		default:
5085 			ELINK_DEBUG_P1(sc,
5086 			   "Speed not supported: 0x%x", phy->req_line_speed);
5087 			return;
5088 		}
5089 
5090 		if (phy->req_duplex == DUPLEX_FULL)
5091 			val16 |= 0x0100;
5092 
5093 		elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5094 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
5095 
5096 		ELINK_DEBUG_P1(sc, "set SGMII force speed %d",
5097 			       phy->req_line_speed);
5098 		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5099 				MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
5100 		ELINK_DEBUG_P1(sc, "  (readback) %x", val16);
5101 	}
5102 
5103 	/* SGMII Slave mode and disable signal detect */
5104 	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5105 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
5106 	if (fiber_mode)
5107 		digctrl_kx1 = 1;
5108 	else
5109 		digctrl_kx1 &= 0xff4a;
5110 
5111 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5112 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
5113 			digctrl_kx1);
5114 
5115 	/* Turn off parallel detect */
5116 	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5117 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
5118 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5119 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
5120 			(digctrl_kx2 & ~(1 << 2)));
5121 
5122 	/* Re-enable parallel detect */
5123 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5124 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
5125 			(digctrl_kx2 | (1 << 2)));
5126 
5127 	/* Enable autodet */
5128 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5129 			MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
5130 			(digctrl_kx1 | 0x10));
5131 }
5132 
5133 
5134 static void elink_warpcore_reset_lane(struct bnx2x_softc *sc,
5135 				      struct elink_phy *phy,
5136 				      uint8_t reset)
5137 {
5138 	uint16_t val;
5139 	/* Take lane out of reset after configuration is finished */
5140 	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5141 			MDIO_WC_REG_DIGITAL5_MISC6, &val);
5142 	if (reset)
5143 		val |= 0xC000;
5144 	else
5145 		val &= 0x3FFF;
5146 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5147 			 MDIO_WC_REG_DIGITAL5_MISC6, val);
5148 	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5149 			 MDIO_WC_REG_DIGITAL5_MISC6, &val);
5150 }
5151 
5152 /* Clear SFI/XFI link settings registers */
5153 static void elink_warpcore_clear_regs(struct elink_phy *phy,
5154 				      struct elink_params *params,
5155 				      uint16_t lane)
5156 {
5157 	struct bnx2x_softc *sc = params->sc;
5158 	uint16_t i;
5159 	static struct elink_reg_set wc_regs[] = {
5160 		{MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
5161 		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
5162 		{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
5163 		{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
5164 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
5165 			0x0195},
5166 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
5167 			0x0007},
5168 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
5169 			0x0002},
5170 		{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
5171 		{MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
5172 		{MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
5173 		{MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
5174 	};
5175 	/* Set XFI clock comp as default. */
5176 	elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
5177 				 MDIO_WC_REG_RX66_CONTROL, (3 << 13));
5178 
5179 	for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
5180 		elink_cl45_write(sc, phy, wc_regs[i].devad, wc_regs[i].reg,
5181 				 wc_regs[i].val);
5182 
5183 	lane = elink_get_warpcore_lane(phy, params);
5184 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5185 			 MDIO_WC_REG_TX0_TX_DRIVER + 0x10 * lane, 0x0990);
5186 
5187 }
5188 
5189 static elink_status_t elink_get_mod_abs_int_cfg(struct bnx2x_softc *sc,
5190 						__rte_unused uint32_t chip_id,
5191 						uint32_t shmem_base,
5192 						uint8_t port,
5193 						uint8_t *gpio_num,
5194 						uint8_t *gpio_port)
5195 {
5196 	uint32_t cfg_pin;
5197 	*gpio_num = 0;
5198 	*gpio_port = 0;
5199 	if (CHIP_IS_E3(sc)) {
5200 		cfg_pin = (REG_RD(sc, shmem_base +
5201 				offsetof(struct shmem_region,
5202 				dev_info.port_hw_config[port].e3_sfp_ctrl)) &
5203 				PORT_HW_CFG_E3_MOD_ABS_MASK) >>
5204 				PORT_HW_CFG_E3_MOD_ABS_SHIFT;
5205 
5206 		/*
5207 		 * This should not happen since this function is called
5208 		 * from interrupt triggered by GPIO (since EPIO can only
5209 		 * generate interrupts to MCP).
5210 		 * So if this function was called and none of the GPIOs was set,
5211 		 * it means something disastrous has already happened.
5212 		 */
5213 		if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
5214 		    (cfg_pin > PIN_CFG_GPIO3_P1)) {
5215 			ELINK_DEBUG_P1(sc,
5216 			   "No cfg pin %x for module detect indication",
5217 			   cfg_pin);
5218 			return ELINK_STATUS_ERROR;
5219 		}
5220 
5221 		*gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
5222 		*gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
5223 	} else {
5224 		*gpio_num = MISC_REGISTERS_GPIO_3;
5225 		*gpio_port = port;
5226 	}
5227 
5228 	return ELINK_STATUS_OK;
5229 }
5230 
5231 static int elink_is_sfp_module_plugged(__rte_unused struct elink_phy *phy,
5232 				       struct elink_params *params)
5233 {
5234 	struct bnx2x_softc *sc = params->sc;
5235 	uint8_t gpio_num, gpio_port;
5236 	uint32_t gpio_val;
5237 	if (elink_get_mod_abs_int_cfg(sc, params->chip_id,
5238 				      params->shmem_base, params->port,
5239 				      &gpio_num, &gpio_port) != ELINK_STATUS_OK)
5240 		return 0;
5241 	gpio_val = elink_cb_gpio_read(sc, gpio_num, gpio_port);
5242 
5243 	/* Call the handling function in case module is detected */
5244 	if (gpio_val == 0)
5245 		return 1;
5246 	else
5247 		return 0;
5248 }
5249 static int elink_warpcore_get_sigdet(struct elink_phy *phy,
5250 				     struct elink_params *params)
5251 {
5252 	uint16_t gp2_status_reg0, lane;
5253 	struct bnx2x_softc *sc = params->sc;
5254 
5255 	lane = elink_get_warpcore_lane(phy, params);
5256 
5257 	elink_cl45_read(sc, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
5258 				 &gp2_status_reg0);
5259 
5260 	return (gp2_status_reg0 >> (8 + lane)) & 0x1;
5261 }
5262 
5263 static void elink_warpcore_config_runtime(struct elink_phy *phy,
5264 					  struct elink_params *params,
5265 					  struct elink_vars *vars)
5266 {
5267 	struct bnx2x_softc *sc = params->sc;
5268 	uint32_t serdes_net_if;
5269 	uint16_t gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
5270 
5271 	vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
5272 
5273 	if (!vars->turn_to_run_wc_rt)
5274 		return;
5275 
5276 	if (vars->rx_tx_asic_rst) {
5277 		uint16_t lane = elink_get_warpcore_lane(phy, params);
5278 		serdes_net_if = (REG_RD(sc, params->shmem_base +
5279 				offsetof(struct shmem_region, dev_info.
5280 				port_hw_config[params->port].default_cfg)) &
5281 				PORT_HW_CFG_NET_SERDES_IF_MASK);
5282 
5283 		switch (serdes_net_if) {
5284 		case PORT_HW_CFG_NET_SERDES_IF_KR:
5285 			/* Do we get link yet? */
5286 			elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 0x81d1,
5287 					&gp_status1);
5288 			lnkup = (gp_status1 >> (8 + lane)) & 0x1;/* 1G */
5289 				/*10G KR*/
5290 			lnkup_kr = (gp_status1 >> (12 + lane)) & 0x1;
5291 
5292 			if (lnkup_kr || lnkup) {
5293 				vars->rx_tx_asic_rst = 0;
5294 			} else {
5295 				/* Reset the lane to see if link comes up.*/
5296 				elink_warpcore_reset_lane(sc, phy, 1);
5297 				elink_warpcore_reset_lane(sc, phy, 0);
5298 
5299 				/* Restart Autoneg */
5300 				elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
5301 					MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
5302 
5303 				vars->rx_tx_asic_rst--;
5304 				ELINK_DEBUG_P1(sc, "0x%x retry left",
5305 				vars->rx_tx_asic_rst);
5306 			}
5307 			break;
5308 
5309 		default:
5310 			break;
5311 		}
5312 
5313 	} /*params->rx_tx_asic_rst*/
5314 }
5315 
5316 static void elink_warpcore_config_sfi(struct elink_phy *phy,
5317 				      struct elink_params *params)
5318 {
5319 	uint16_t lane = elink_get_warpcore_lane(phy, params);
5320 	struct bnx2x_softc *sc = params->sc;
5321 	elink_warpcore_clear_regs(phy, params, lane);
5322 	if ((params->req_line_speed[ELINK_LINK_CONFIG_IDX(ELINK_INT_PHY)] ==
5323 	     ELINK_SPEED_10000) &&
5324 	    (phy->media_type != ELINK_ETH_PHY_SFP_1G_FIBER)) {
5325 		ELINK_DEBUG_P0(sc, "Setting 10G SFI");
5326 		elink_warpcore_set_10G_XFI(phy, params, 0);
5327 	} else {
5328 		ELINK_DEBUG_P0(sc, "Setting 1G Fiber");
5329 		elink_warpcore_set_sgmii_speed(phy, params, 1, 0);
5330 	}
5331 }
5332 
5333 static void elink_sfp_e3_set_transmitter(struct elink_params *params,
5334 					 struct elink_phy *phy,
5335 					 uint8_t tx_en)
5336 {
5337 	struct bnx2x_softc *sc = params->sc;
5338 	uint32_t cfg_pin;
5339 	uint8_t port = params->port;
5340 
5341 	cfg_pin = REG_RD(sc, params->shmem_base +
5342 			 offsetof(struct shmem_region,
5343 				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
5344 		PORT_HW_CFG_E3_TX_LASER_MASK;
5345 	/* Set the !tx_en since this pin is DISABLE_TX_LASER */
5346 	ELINK_DEBUG_P1(sc, "Setting WC TX to %d", tx_en);
5347 
5348 	/* For 20G, the expected pin to be used is 3 pins after the current */
5349 	elink_set_cfg_pin(sc, cfg_pin, tx_en ^ 1);
5350 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
5351 		elink_set_cfg_pin(sc, cfg_pin + 3, tx_en ^ 1);
5352 }
5353 
5354 static uint8_t elink_warpcore_config_init(struct elink_phy *phy,
5355 				       struct elink_params *params,
5356 				       struct elink_vars *vars)
5357 {
5358 	struct bnx2x_softc *sc = params->sc;
5359 	uint32_t serdes_net_if;
5360 	uint8_t fiber_mode;
5361 	uint16_t lane = elink_get_warpcore_lane(phy, params);
5362 	serdes_net_if = (REG_RD(sc, params->shmem_base +
5363 			 offsetof(struct shmem_region, dev_info.
5364 				  port_hw_config[params->port].default_cfg)) &
5365 			 PORT_HW_CFG_NET_SERDES_IF_MASK);
5366 	ELINK_DEBUG_P2(sc, "Begin Warpcore init, link_speed %d, "
5367 			   "serdes_net_if = 0x%x",
5368 		       vars->line_speed, serdes_net_if);
5369 	elink_set_aer_mmd(params, phy);
5370 	elink_warpcore_reset_lane(sc, phy, 1);
5371 	vars->phy_flags |= PHY_XGXS_FLAG;
5372 	if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
5373 	    (phy->req_line_speed &&
5374 	     ((phy->req_line_speed == ELINK_SPEED_100) ||
5375 	      (phy->req_line_speed == ELINK_SPEED_10)))) {
5376 		vars->phy_flags |= PHY_SGMII_FLAG;
5377 		ELINK_DEBUG_P0(sc, "Setting SGMII mode");
5378 		elink_warpcore_clear_regs(phy, params, lane);
5379 		elink_warpcore_set_sgmii_speed(phy, params, 0, 1);
5380 	} else {
5381 		switch (serdes_net_if) {
5382 		case PORT_HW_CFG_NET_SERDES_IF_KR:
5383 			/* Enable KR Auto Neg */
5384 			if (params->loopback_mode != ELINK_LOOPBACK_EXT)
5385 				elink_warpcore_enable_AN_KR(phy, params, vars);
5386 			else {
5387 				ELINK_DEBUG_P0(sc, "Setting KR 10G-Force");
5388 				elink_warpcore_set_10G_KR(phy, params, vars);
5389 			}
5390 			break;
5391 
5392 		case PORT_HW_CFG_NET_SERDES_IF_XFI:
5393 			elink_warpcore_clear_regs(phy, params, lane);
5394 			if (vars->line_speed == ELINK_SPEED_10000) {
5395 				ELINK_DEBUG_P0(sc, "Setting 10G XFI");
5396 				elink_warpcore_set_10G_XFI(phy, params, 1);
5397 			} else {
5398 				if (ELINK_SINGLE_MEDIA_DIRECT(params)) {
5399 					ELINK_DEBUG_P0(sc, "1G Fiber");
5400 					fiber_mode = 1;
5401 				} else {
5402 					ELINK_DEBUG_P0(sc, "10/100/1G SGMII");
5403 					fiber_mode = 0;
5404 				}
5405 				elink_warpcore_set_sgmii_speed(phy,
5406 								params,
5407 								fiber_mode,
5408 								0);
5409 			}
5410 
5411 			break;
5412 
5413 		case PORT_HW_CFG_NET_SERDES_IF_SFI:
5414 			/* Issue Module detection if module is plugged, or
5415 			 * enabled transmitter to avoid current leakage in case
5416 			 * no module is connected
5417 			 */
5418 			if ((params->loopback_mode == ELINK_LOOPBACK_NONE) ||
5419 			    (params->loopback_mode == ELINK_LOOPBACK_EXT)) {
5420 				if (elink_is_sfp_module_plugged(phy, params))
5421 					elink_sfp_module_detection(phy, params);
5422 				else
5423 					elink_sfp_e3_set_transmitter(params,
5424 								     phy, 1);
5425 			}
5426 
5427 			elink_warpcore_config_sfi(phy, params);
5428 			break;
5429 
5430 		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
5431 			if (vars->line_speed != ELINK_SPEED_20000) {
5432 				ELINK_DEBUG_P0(sc, "Speed not supported yet");
5433 				return 0;
5434 			}
5435 			ELINK_DEBUG_P0(sc, "Setting 20G DXGXS");
5436 			elink_warpcore_set_20G_DXGXS(sc, phy, lane);
5437 			/* Issue Module detection */
5438 
5439 			elink_sfp_module_detection(phy, params);
5440 			break;
5441 		case PORT_HW_CFG_NET_SERDES_IF_KR2:
5442 			if (!params->loopback_mode) {
5443 				elink_warpcore_enable_AN_KR(phy, params, vars);
5444 			} else {
5445 				ELINK_DEBUG_P0(sc, "Setting KR 20G-Force");
5446 				elink_warpcore_set_20G_force_KR2(phy, params);
5447 			}
5448 			break;
5449 		default:
5450 			ELINK_DEBUG_P1(sc,
5451 			   "Unsupported Serdes Net Interface 0x%x",
5452 			   serdes_net_if);
5453 			return 0;
5454 		}
5455 	}
5456 
5457 	/* Take lane out of reset after configuration is finished */
5458 	elink_warpcore_reset_lane(sc, phy, 0);
5459 	ELINK_DEBUG_P0(sc, "Exit config init");
5460 
5461 	return 0;
5462 }
5463 
5464 static void elink_warpcore_link_reset(struct elink_phy *phy,
5465 				      struct elink_params *params)
5466 {
5467 	struct bnx2x_softc *sc = params->sc;
5468 	uint16_t val16, lane;
5469 	elink_sfp_e3_set_transmitter(params, phy, 0);
5470 	elink_set_mdio_emac_per_phy(sc, params);
5471 	elink_set_aer_mmd(params, phy);
5472 	/* Global register */
5473 	elink_warpcore_reset_lane(sc, phy, 1);
5474 
5475 	/* Clear loopback settings (if any) */
5476 	/* 10G & 20G */
5477 	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
5478 				  MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
5479 
5480 	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
5481 				  MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
5482 
5483 	/* Update those 1-copy registers */
5484 	CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
5485 			  MDIO_AER_BLOCK_AER_REG, 0);
5486 	/* Enable 1G MDIO (1-copy) */
5487 	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
5488 				  MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
5489 				  ~0x10);
5490 
5491 	elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
5492 				  MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
5493 	lane = elink_get_warpcore_lane(phy, params);
5494 	/* Disable CL36 PCS Tx */
5495 	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5496 			MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
5497 	val16 |= (0x11 << lane);
5498 	if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
5499 		val16 |= (0x22 << lane);
5500 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5501 			 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
5502 
5503 	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5504 			MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
5505 	val16 &= ~(0x0303 << (lane << 1));
5506 	val16 |= (0x0101 << (lane << 1));
5507 	if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE) {
5508 		val16 &= ~(0x0c0c << (lane << 1));
5509 		val16 |= (0x0404 << (lane << 1));
5510 	}
5511 
5512 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5513 			 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
5514 	/* Restore AER */
5515 	elink_set_aer_mmd(params, phy);
5516 
5517 }
5518 
5519 static void elink_set_warpcore_loopback(struct elink_phy *phy,
5520 					struct elink_params *params)
5521 {
5522 	struct bnx2x_softc *sc = params->sc;
5523 	uint16_t val16;
5524 	uint32_t lane;
5525 	ELINK_DEBUG_P2(sc, "Setting Warpcore loopback type %x, speed %d",
5526 		       params->loopback_mode, phy->req_line_speed);
5527 
5528 	if (phy->req_line_speed < ELINK_SPEED_10000 ||
5529 	    phy->supported & ELINK_SUPPORTED_20000baseKR2_Full) {
5530 		/* 10/100/1000/20G-KR2 */
5531 
5532 		/* Update those 1-copy registers */
5533 		CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
5534 				  MDIO_AER_BLOCK_AER_REG, 0);
5535 		/* Enable 1G MDIO (1-copy) */
5536 		elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
5537 					 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
5538 					 0x10);
5539 		/* Set 1G loopback based on lane (1-copy) */
5540 		lane = elink_get_warpcore_lane(phy, params);
5541 		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5542 				MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
5543 		val16 |= (1 << lane);
5544 		if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
5545 			val16 |= (2 << lane);
5546 		elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5547 				 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
5548 				 val16);
5549 
5550 		/* Switch back to 4-copy registers */
5551 		elink_set_aer_mmd(params, phy);
5552 	} else {
5553 		/* 10G / 20G-DXGXS */
5554 		elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
5555 					 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
5556 					 0x4000);
5557 		elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
5558 					 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
5559 	}
5560 }
5561 
5562 
5563 
5564 static void elink_sync_link(struct elink_params *params,
5565 			     struct elink_vars *vars)
5566 {
5567 	struct bnx2x_softc *sc = params->sc;
5568 	uint8_t link_10g_plus;
5569 	if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
5570 		vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
5571 	vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
5572 	if (vars->link_up) {
5573 		ELINK_DEBUG_P0(sc, "phy link up");
5574 		ELINK_DEBUG_P1(sc, "link status = %x", vars->link_status);
5575 
5576 		vars->phy_link_up = 1;
5577 		vars->duplex = DUPLEX_FULL;
5578 		switch (vars->link_status &
5579 			LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
5580 		case ELINK_LINK_10THD:
5581 			vars->duplex = DUPLEX_HALF;
5582 			/* Fall thru */
5583 		case ELINK_LINK_10TFD:
5584 			vars->line_speed = ELINK_SPEED_10;
5585 			break;
5586 
5587 		case ELINK_LINK_100TXHD:
5588 			vars->duplex = DUPLEX_HALF;
5589 			/* Fall thru */
5590 		case ELINK_LINK_100T4:
5591 		case ELINK_LINK_100TXFD:
5592 			vars->line_speed = ELINK_SPEED_100;
5593 			break;
5594 
5595 		case ELINK_LINK_1000THD:
5596 			vars->duplex = DUPLEX_HALF;
5597 			/* Fall thru */
5598 		case ELINK_LINK_1000TFD:
5599 			vars->line_speed = ELINK_SPEED_1000;
5600 			break;
5601 
5602 		case ELINK_LINK_2500THD:
5603 			vars->duplex = DUPLEX_HALF;
5604 			/* Fall thru */
5605 		case ELINK_LINK_2500TFD:
5606 			vars->line_speed = ELINK_SPEED_2500;
5607 			break;
5608 
5609 		case ELINK_LINK_10GTFD:
5610 			vars->line_speed = ELINK_SPEED_10000;
5611 			break;
5612 		case ELINK_LINK_20GTFD:
5613 			vars->line_speed = ELINK_SPEED_20000;
5614 			break;
5615 		default:
5616 			break;
5617 		}
5618 		vars->flow_ctrl = 0;
5619 		if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
5620 			vars->flow_ctrl |= ELINK_FLOW_CTRL_TX;
5621 
5622 		if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
5623 			vars->flow_ctrl |= ELINK_FLOW_CTRL_RX;
5624 
5625 		if (!vars->flow_ctrl)
5626 			vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
5627 
5628 		if (vars->line_speed &&
5629 		    ((vars->line_speed == ELINK_SPEED_10) ||
5630 		     (vars->line_speed == ELINK_SPEED_100))) {
5631 			vars->phy_flags |= PHY_SGMII_FLAG;
5632 		} else {
5633 			vars->phy_flags &= ~PHY_SGMII_FLAG;
5634 		}
5635 		if (vars->line_speed &&
5636 		    USES_WARPCORE(sc) &&
5637 		    (vars->line_speed == ELINK_SPEED_1000))
5638 			vars->phy_flags |= PHY_SGMII_FLAG;
5639 		/* Anything 10 and over uses the bmac */
5640 		link_10g_plus = (vars->line_speed >= ELINK_SPEED_10000);
5641 
5642 		if (link_10g_plus) {
5643 			if (USES_WARPCORE(sc))
5644 				vars->mac_type = ELINK_MAC_TYPE_XMAC;
5645 			else
5646 				vars->mac_type = ELINK_MAC_TYPE_BMAC;
5647 		} else {
5648 			if (USES_WARPCORE(sc))
5649 				vars->mac_type = ELINK_MAC_TYPE_UMAC;
5650 			else
5651 				vars->mac_type = ELINK_MAC_TYPE_EMAC;
5652 		}
5653 	} else { /* Link down */
5654 		ELINK_DEBUG_P0(sc, "phy link down");
5655 
5656 		vars->phy_link_up = 0;
5657 
5658 		vars->line_speed = 0;
5659 		vars->duplex = DUPLEX_FULL;
5660 		vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
5661 
5662 		/* Indicate no mac active */
5663 		vars->mac_type = ELINK_MAC_TYPE_NONE;
5664 		if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
5665 			vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
5666 		if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
5667 			vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
5668 	}
5669 }
5670 
5671 void elink_link_status_update(struct elink_params *params,
5672 			      struct elink_vars *vars)
5673 {
5674 	struct bnx2x_softc *sc = params->sc;
5675 	uint8_t port = params->port;
5676 	uint32_t sync_offset, media_types;
5677 	/* Update PHY configuration */
5678 	set_phy_vars(params, vars);
5679 
5680 	vars->link_status = REG_RD(sc, params->shmem_base +
5681 				   offsetof(struct shmem_region,
5682 					    port_mb[port].link_status));
5683 
5684 	/* Force link UP in non LOOPBACK_EXT loopback mode(s) */
5685 	if (params->loopback_mode != ELINK_LOOPBACK_NONE &&
5686 	    params->loopback_mode != ELINK_LOOPBACK_EXT)
5687 		vars->link_status |= LINK_STATUS_LINK_UP;
5688 
5689 	if (elink_eee_has_cap(params))
5690 		vars->eee_status = REG_RD(sc, params->shmem2_base +
5691 					  offsetof(struct shmem2_region,
5692 						   eee_status[params->port]));
5693 
5694 	vars->phy_flags = PHY_XGXS_FLAG;
5695 	elink_sync_link(params, vars);
5696 	/* Sync media type */
5697 	sync_offset = params->shmem_base +
5698 			offsetof(struct shmem_region,
5699 				 dev_info.port_hw_config[port].media_type);
5700 	media_types = REG_RD(sc, sync_offset);
5701 
5702 	params->phy[ELINK_INT_PHY].media_type =
5703 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
5704 		PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
5705 	params->phy[ELINK_EXT_PHY1].media_type =
5706 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
5707 		PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
5708 	params->phy[ELINK_EXT_PHY2].media_type =
5709 		(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
5710 		PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
5711 	ELINK_DEBUG_P1(sc, "media_types = 0x%x", media_types);
5712 
5713 	/* Sync AEU offset */
5714 	sync_offset = params->shmem_base +
5715 			offsetof(struct shmem_region,
5716 				 dev_info.port_hw_config[port].aeu_int_mask);
5717 
5718 	vars->aeu_int_mask = REG_RD(sc, sync_offset);
5719 
5720 	/* Sync PFC status */
5721 	if (vars->link_status & LINK_STATUS_PFC_ENABLED)
5722 		params->feature_config_flags |=
5723 					ELINK_FEATURE_CONFIG_PFC_ENABLED;
5724 	else
5725 		params->feature_config_flags &=
5726 					~ELINK_FEATURE_CONFIG_PFC_ENABLED;
5727 
5728 	if (SHMEM2_HAS(sc, link_attr_sync))
5729 		params->link_attr_sync = SHMEM2_RD(sc,
5730 						 link_attr_sync[params->port]);
5731 
5732 	ELINK_DEBUG_P3(sc, "link_status 0x%x  phy_link_up %x int_mask 0x%x",
5733 		 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
5734 	ELINK_DEBUG_P3(sc, "line_speed %x  duplex %x  flow_ctrl 0x%x",
5735 		 vars->line_speed, vars->duplex, vars->flow_ctrl);
5736 }
5737 
5738 static void elink_set_master_ln(struct elink_params *params,
5739 				struct elink_phy *phy)
5740 {
5741 	struct bnx2x_softc *sc = params->sc;
5742 	uint16_t new_master_ln, ser_lane;
5743 	ser_lane = ((params->lane_config &
5744 		     PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
5745 		    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
5746 
5747 	/* Set the master_ln for AN */
5748 	CL22_RD_OVER_CL45(sc, phy,
5749 			  MDIO_REG_BANK_XGXS_BLOCK2,
5750 			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
5751 			  &new_master_ln);
5752 
5753 	CL22_WR_OVER_CL45(sc, phy,
5754 			  MDIO_REG_BANK_XGXS_BLOCK2,
5755 			  MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
5756 			  (new_master_ln | ser_lane));
5757 }
5758 
5759 static elink_status_t elink_reset_unicore(struct elink_params *params,
5760 			       struct elink_phy *phy,
5761 			       uint8_t set_serdes)
5762 {
5763 	struct bnx2x_softc *sc = params->sc;
5764 	uint16_t mii_control;
5765 	uint16_t i;
5766 	CL22_RD_OVER_CL45(sc, phy,
5767 			  MDIO_REG_BANK_COMBO_IEEE0,
5768 			  MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
5769 
5770 	/* Reset the unicore */
5771 	CL22_WR_OVER_CL45(sc, phy,
5772 			  MDIO_REG_BANK_COMBO_IEEE0,
5773 			  MDIO_COMBO_IEEE0_MII_CONTROL,
5774 			  (mii_control |
5775 			   MDIO_COMBO_IEEO_MII_CONTROL_RESET));
5776 	if (set_serdes)
5777 		elink_set_serdes_access(sc, params->port);
5778 
5779 	/* Wait for the reset to self clear */
5780 	for (i = 0; i < ELINK_MDIO_ACCESS_TIMEOUT; i++) {
5781 		DELAY(5);
5782 
5783 		/* The reset erased the previous bank value */
5784 		CL22_RD_OVER_CL45(sc, phy,
5785 				  MDIO_REG_BANK_COMBO_IEEE0,
5786 				  MDIO_COMBO_IEEE0_MII_CONTROL,
5787 				  &mii_control);
5788 
5789 		if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
5790 			DELAY(5);
5791 			return ELINK_STATUS_OK;
5792 		}
5793 	}
5794 
5795 	elink_cb_event_log(sc, ELINK_LOG_ID_PHY_UNINITIALIZED, params->port);
5796 			     /* "Warning: PHY was not initialized,"
5797 			      * " Port %d",
5798 			      */
5799 
5800 	ELINK_DEBUG_P0(sc, "BUG! XGXS is still in reset!");
5801 	return ELINK_STATUS_ERROR;
5802 
5803 }
5804 
5805 static void elink_set_swap_lanes(struct elink_params *params,
5806 				 struct elink_phy *phy)
5807 {
5808 	struct bnx2x_softc *sc = params->sc;
5809 	/* Each two bits represents a lane number:
5810 	 * No swap is 0123 => 0x1b no need to enable the swap
5811 	 */
5812 	uint16_t rx_lane_swap, tx_lane_swap;
5813 
5814 	rx_lane_swap = ((params->lane_config &
5815 			 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
5816 			PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
5817 	tx_lane_swap = ((params->lane_config &
5818 			 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
5819 			PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
5820 
5821 	if (rx_lane_swap != 0x1b) {
5822 		CL22_WR_OVER_CL45(sc, phy,
5823 				  MDIO_REG_BANK_XGXS_BLOCK2,
5824 				  MDIO_XGXS_BLOCK2_RX_LN_SWAP,
5825 				  (rx_lane_swap |
5826 				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
5827 				   MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
5828 	} else {
5829 		CL22_WR_OVER_CL45(sc, phy,
5830 				  MDIO_REG_BANK_XGXS_BLOCK2,
5831 				  MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
5832 	}
5833 
5834 	if (tx_lane_swap != 0x1b) {
5835 		CL22_WR_OVER_CL45(sc, phy,
5836 				  MDIO_REG_BANK_XGXS_BLOCK2,
5837 				  MDIO_XGXS_BLOCK2_TX_LN_SWAP,
5838 				  (tx_lane_swap |
5839 				   MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
5840 	} else {
5841 		CL22_WR_OVER_CL45(sc, phy,
5842 				  MDIO_REG_BANK_XGXS_BLOCK2,
5843 				  MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
5844 	}
5845 }
5846 
5847 static void elink_set_parallel_detection(struct elink_phy *phy,
5848 					 struct elink_params *params)
5849 {
5850 	struct bnx2x_softc *sc = params->sc;
5851 	uint16_t control2;
5852 	CL22_RD_OVER_CL45(sc, phy,
5853 			  MDIO_REG_BANK_SERDES_DIGITAL,
5854 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
5855 			  &control2);
5856 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5857 		control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
5858 	else
5859 		control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
5860 	ELINK_DEBUG_P2(sc, "phy->speed_cap_mask = 0x%x, control2 = 0x%x",
5861 		phy->speed_cap_mask, control2);
5862 	CL22_WR_OVER_CL45(sc, phy,
5863 			  MDIO_REG_BANK_SERDES_DIGITAL,
5864 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
5865 			  control2);
5866 
5867 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
5868 	     (phy->speed_cap_mask &
5869 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
5870 		ELINK_DEBUG_P0(sc, "XGXS");
5871 
5872 		CL22_WR_OVER_CL45(sc, phy,
5873 				 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5874 				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
5875 				 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
5876 
5877 		CL22_RD_OVER_CL45(sc, phy,
5878 				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5879 				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5880 				  &control2);
5881 
5882 
5883 		control2 |=
5884 		    MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
5885 
5886 		CL22_WR_OVER_CL45(sc, phy,
5887 				  MDIO_REG_BANK_10G_PARALLEL_DETECT,
5888 				  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5889 				  control2);
5890 
5891 		/* Disable parallel detection of HiG */
5892 		CL22_WR_OVER_CL45(sc, phy,
5893 				  MDIO_REG_BANK_XGXS_BLOCK2,
5894 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
5895 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
5896 				  MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
5897 	}
5898 }
5899 
5900 static void elink_set_autoneg(struct elink_phy *phy,
5901 			      struct elink_params *params,
5902 			      struct elink_vars *vars,
5903 			      uint8_t enable_cl73)
5904 {
5905 	struct bnx2x_softc *sc = params->sc;
5906 	uint16_t reg_val;
5907 
5908 	/* CL37 Autoneg */
5909 	CL22_RD_OVER_CL45(sc, phy,
5910 			  MDIO_REG_BANK_COMBO_IEEE0,
5911 			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5912 
5913 	/* CL37 Autoneg Enabled */
5914 	if (vars->line_speed == ELINK_SPEED_AUTO_NEG)
5915 		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
5916 	else /* CL37 Autoneg Disabled */
5917 		reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5918 			     MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
5919 
5920 	CL22_WR_OVER_CL45(sc, phy,
5921 			  MDIO_REG_BANK_COMBO_IEEE0,
5922 			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5923 
5924 	/* Enable/Disable Autodetection */
5925 
5926 	CL22_RD_OVER_CL45(sc, phy,
5927 			  MDIO_REG_BANK_SERDES_DIGITAL,
5928 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
5929 	reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
5930 		    MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
5931 	reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
5932 	if (vars->line_speed == ELINK_SPEED_AUTO_NEG)
5933 		reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5934 	else
5935 		reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5936 
5937 	CL22_WR_OVER_CL45(sc, phy,
5938 			  MDIO_REG_BANK_SERDES_DIGITAL,
5939 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
5940 
5941 	/* Enable TetonII and BAM autoneg */
5942 	CL22_RD_OVER_CL45(sc, phy,
5943 			  MDIO_REG_BANK_BAM_NEXT_PAGE,
5944 			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5945 			  &reg_val);
5946 	if (vars->line_speed == ELINK_SPEED_AUTO_NEG) {
5947 		/* Enable BAM aneg Mode and TetonII aneg Mode */
5948 		reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5949 			    MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5950 	} else {
5951 		/* TetonII and BAM Autoneg Disabled */
5952 		reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5953 			     MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5954 	}
5955 	CL22_WR_OVER_CL45(sc, phy,
5956 			  MDIO_REG_BANK_BAM_NEXT_PAGE,
5957 			  MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5958 			  reg_val);
5959 
5960 	if (enable_cl73) {
5961 		/* Enable Cl73 FSM status bits */
5962 		CL22_WR_OVER_CL45(sc, phy,
5963 				  MDIO_REG_BANK_CL73_USERB0,
5964 				  MDIO_CL73_USERB0_CL73_UCTRL,
5965 				  0xe);
5966 
5967 		/* Enable BAM Station Manager*/
5968 		CL22_WR_OVER_CL45(sc, phy,
5969 			MDIO_REG_BANK_CL73_USERB0,
5970 			MDIO_CL73_USERB0_CL73_BAM_CTRL1,
5971 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
5972 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
5973 			MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
5974 
5975 		/* Advertise CL73 link speeds */
5976 		CL22_RD_OVER_CL45(sc, phy,
5977 				  MDIO_REG_BANK_CL73_IEEEB1,
5978 				  MDIO_CL73_IEEEB1_AN_ADV2,
5979 				  &reg_val);
5980 		if (phy->speed_cap_mask &
5981 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5982 			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
5983 		if (phy->speed_cap_mask &
5984 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5985 			reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
5986 
5987 		CL22_WR_OVER_CL45(sc, phy,
5988 				  MDIO_REG_BANK_CL73_IEEEB1,
5989 				  MDIO_CL73_IEEEB1_AN_ADV2,
5990 				  reg_val);
5991 
5992 		/* CL73 Autoneg Enabled */
5993 		reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5994 
5995 	} else /* CL73 Autoneg Disabled */
5996 		reg_val = 0;
5997 
5998 	CL22_WR_OVER_CL45(sc, phy,
5999 			  MDIO_REG_BANK_CL73_IEEEB0,
6000 			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
6001 }
6002 
6003 /* Program SerDes, forced speed */
6004 static void elink_program_serdes(struct elink_phy *phy,
6005 				 struct elink_params *params,
6006 				 struct elink_vars *vars)
6007 {
6008 	struct bnx2x_softc *sc = params->sc;
6009 	uint16_t reg_val;
6010 
6011 	/* Program duplex, disable autoneg and sgmii*/
6012 	CL22_RD_OVER_CL45(sc, phy,
6013 			  MDIO_REG_BANK_COMBO_IEEE0,
6014 			  MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
6015 	reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
6016 		     MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
6017 		     MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
6018 	if (phy->req_duplex == DUPLEX_FULL)
6019 		reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
6020 	CL22_WR_OVER_CL45(sc, phy,
6021 			  MDIO_REG_BANK_COMBO_IEEE0,
6022 			  MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
6023 
6024 	/* Program speed
6025 	 *  - needed only if the speed is greater than 1G (2.5G or 10G)
6026 	 */
6027 	CL22_RD_OVER_CL45(sc, phy,
6028 			  MDIO_REG_BANK_SERDES_DIGITAL,
6029 			  MDIO_SERDES_DIGITAL_MISC1, &reg_val);
6030 	/* Clearing the speed value before setting the right speed */
6031 	ELINK_DEBUG_P1(sc, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x", reg_val);
6032 
6033 	reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
6034 		     MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
6035 
6036 	if (!((vars->line_speed == ELINK_SPEED_1000) ||
6037 	      (vars->line_speed == ELINK_SPEED_100) ||
6038 	      (vars->line_speed == ELINK_SPEED_10))) {
6039 
6040 		reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
6041 			    MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
6042 		if (vars->line_speed == ELINK_SPEED_10000)
6043 			reg_val |=
6044 				MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
6045 	}
6046 
6047 	CL22_WR_OVER_CL45(sc, phy,
6048 			  MDIO_REG_BANK_SERDES_DIGITAL,
6049 			  MDIO_SERDES_DIGITAL_MISC1, reg_val);
6050 
6051 }
6052 
6053 static void elink_set_brcm_cl37_advertisement(struct elink_phy *phy,
6054 					      struct elink_params *params)
6055 {
6056 	struct bnx2x_softc *sc = params->sc;
6057 	uint16_t val = 0;
6058 
6059 	/* Set extended capabilities */
6060 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
6061 		val |= MDIO_OVER_1G_UP1_2_5G;
6062 	if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
6063 		val |= MDIO_OVER_1G_UP1_10G;
6064 	CL22_WR_OVER_CL45(sc, phy,
6065 			  MDIO_REG_BANK_OVER_1G,
6066 			  MDIO_OVER_1G_UP1, val);
6067 
6068 	CL22_WR_OVER_CL45(sc, phy,
6069 			  MDIO_REG_BANK_OVER_1G,
6070 			  MDIO_OVER_1G_UP3, 0x400);
6071 }
6072 
6073 static void elink_set_ieee_aneg_advertisement(struct elink_phy *phy,
6074 					      struct elink_params *params,
6075 					      uint16_t ieee_fc)
6076 {
6077 	struct bnx2x_softc *sc = params->sc;
6078 	uint16_t val;
6079 	/* For AN, we are always publishing full duplex */
6080 
6081 	CL22_WR_OVER_CL45(sc, phy,
6082 			  MDIO_REG_BANK_COMBO_IEEE0,
6083 			  MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
6084 	CL22_RD_OVER_CL45(sc, phy,
6085 			  MDIO_REG_BANK_CL73_IEEEB1,
6086 			  MDIO_CL73_IEEEB1_AN_ADV1, &val);
6087 	val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
6088 	val |= ((ieee_fc << 3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
6089 	CL22_WR_OVER_CL45(sc, phy,
6090 			  MDIO_REG_BANK_CL73_IEEEB1,
6091 			  MDIO_CL73_IEEEB1_AN_ADV1, val);
6092 }
6093 
6094 static void elink_restart_autoneg(struct elink_phy *phy,
6095 				  struct elink_params *params,
6096 				  uint8_t enable_cl73)
6097 {
6098 	struct bnx2x_softc *sc = params->sc;
6099 	uint16_t mii_control;
6100 
6101 	ELINK_DEBUG_P0(sc, "elink_restart_autoneg");
6102 	/* Enable and restart BAM/CL37 aneg */
6103 
6104 	if (enable_cl73) {
6105 		CL22_RD_OVER_CL45(sc, phy,
6106 				  MDIO_REG_BANK_CL73_IEEEB0,
6107 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
6108 				  &mii_control);
6109 
6110 		CL22_WR_OVER_CL45(sc, phy,
6111 				  MDIO_REG_BANK_CL73_IEEEB0,
6112 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
6113 				  (mii_control |
6114 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
6115 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
6116 	} else {
6117 
6118 		CL22_RD_OVER_CL45(sc, phy,
6119 				  MDIO_REG_BANK_COMBO_IEEE0,
6120 				  MDIO_COMBO_IEEE0_MII_CONTROL,
6121 				  &mii_control);
6122 		ELINK_DEBUG_P1(sc,
6123 			 "elink_restart_autoneg mii_control before = 0x%x",
6124 			 mii_control);
6125 		CL22_WR_OVER_CL45(sc, phy,
6126 				  MDIO_REG_BANK_COMBO_IEEE0,
6127 				  MDIO_COMBO_IEEE0_MII_CONTROL,
6128 				  (mii_control |
6129 				   MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
6130 				   MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
6131 	}
6132 }
6133 
6134 static void elink_initialize_sgmii_process(struct elink_phy *phy,
6135 					   struct elink_params *params,
6136 					   struct elink_vars *vars)
6137 {
6138 	struct bnx2x_softc *sc = params->sc;
6139 	uint16_t control1;
6140 
6141 	/* In SGMII mode, the unicore is always slave */
6142 
6143 	CL22_RD_OVER_CL45(sc, phy,
6144 			  MDIO_REG_BANK_SERDES_DIGITAL,
6145 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
6146 			  &control1);
6147 	control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
6148 	/* Set sgmii mode (and not fiber) */
6149 	control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
6150 		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
6151 		      MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
6152 	CL22_WR_OVER_CL45(sc, phy,
6153 			  MDIO_REG_BANK_SERDES_DIGITAL,
6154 			  MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
6155 			  control1);
6156 
6157 	/* If forced speed */
6158 	if (!(vars->line_speed == ELINK_SPEED_AUTO_NEG)) {
6159 		/* Set speed, disable autoneg */
6160 		uint16_t mii_control;
6161 
6162 		CL22_RD_OVER_CL45(sc, phy,
6163 				  MDIO_REG_BANK_COMBO_IEEE0,
6164 				  MDIO_COMBO_IEEE0_MII_CONTROL,
6165 				  &mii_control);
6166 		mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
6167 				 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK |
6168 				 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
6169 
6170 		switch (vars->line_speed) {
6171 		case ELINK_SPEED_100:
6172 			mii_control |=
6173 				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
6174 			break;
6175 		case ELINK_SPEED_1000:
6176 			mii_control |=
6177 				MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
6178 			break;
6179 		case ELINK_SPEED_10:
6180 			/* There is nothing to set for 10M */
6181 			break;
6182 		default:
6183 			/* Invalid speed for SGMII */
6184 			ELINK_DEBUG_P1(sc, "Invalid line_speed 0x%x",
6185 				  vars->line_speed);
6186 			break;
6187 		}
6188 
6189 		/* Setting the full duplex */
6190 		if (phy->req_duplex == DUPLEX_FULL)
6191 			mii_control |=
6192 				MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
6193 		CL22_WR_OVER_CL45(sc, phy,
6194 				  MDIO_REG_BANK_COMBO_IEEE0,
6195 				  MDIO_COMBO_IEEE0_MII_CONTROL,
6196 				  mii_control);
6197 
6198 	} else { /* AN mode */
6199 		/* Enable and restart AN */
6200 		elink_restart_autoneg(phy, params, 0);
6201 	}
6202 }
6203 
6204 /* Link management
6205  */
6206 static elink_status_t elink_direct_parallel_detect_used(struct elink_phy *phy,
6207 					     struct elink_params *params)
6208 {
6209 	struct bnx2x_softc *sc = params->sc;
6210 	uint16_t pd_10g, status2_1000x;
6211 	if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG)
6212 		return ELINK_STATUS_OK;
6213 	CL22_RD_OVER_CL45(sc, phy,
6214 			  MDIO_REG_BANK_SERDES_DIGITAL,
6215 			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
6216 			  &status2_1000x);
6217 	CL22_RD_OVER_CL45(sc, phy,
6218 			  MDIO_REG_BANK_SERDES_DIGITAL,
6219 			  MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
6220 			  &status2_1000x);
6221 	if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
6222 		ELINK_DEBUG_P1(sc, "1G parallel detect link on port %d",
6223 			 params->port);
6224 		return 1;
6225 	}
6226 
6227 	CL22_RD_OVER_CL45(sc, phy,
6228 			  MDIO_REG_BANK_10G_PARALLEL_DETECT,
6229 			  MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
6230 			  &pd_10g);
6231 
6232 	if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
6233 		ELINK_DEBUG_P1(sc, "10G parallel detect link on port %d",
6234 			 params->port);
6235 		return 1;
6236 	}
6237 	return ELINK_STATUS_OK;
6238 }
6239 
6240 static void elink_update_adv_fc(struct elink_phy *phy,
6241 				struct elink_params *params,
6242 				struct elink_vars *vars,
6243 				uint32_t gp_status)
6244 {
6245 	uint16_t ld_pause;   /* local driver */
6246 	uint16_t lp_pause;   /* link partner */
6247 	uint16_t pause_result;
6248 	struct bnx2x_softc *sc = params->sc;
6249 	if ((gp_status &
6250 	     (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
6251 	      MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
6252 	    (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
6253 	     MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
6254 
6255 		CL22_RD_OVER_CL45(sc, phy,
6256 				  MDIO_REG_BANK_CL73_IEEEB1,
6257 				  MDIO_CL73_IEEEB1_AN_ADV1,
6258 				  &ld_pause);
6259 		CL22_RD_OVER_CL45(sc, phy,
6260 				  MDIO_REG_BANK_CL73_IEEEB1,
6261 				  MDIO_CL73_IEEEB1_AN_LP_ADV1,
6262 				  &lp_pause);
6263 		pause_result = (ld_pause &
6264 				MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
6265 		pause_result |= (lp_pause &
6266 				 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
6267 		ELINK_DEBUG_P1(sc, "pause_result CL73 0x%x", pause_result);
6268 	} else {
6269 		CL22_RD_OVER_CL45(sc, phy,
6270 				  MDIO_REG_BANK_COMBO_IEEE0,
6271 				  MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
6272 				  &ld_pause);
6273 		CL22_RD_OVER_CL45(sc, phy,
6274 			MDIO_REG_BANK_COMBO_IEEE0,
6275 			MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
6276 			&lp_pause);
6277 		pause_result = (ld_pause &
6278 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) >> 5;
6279 		pause_result |= (lp_pause &
6280 				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) >> 7;
6281 		ELINK_DEBUG_P1(sc, "pause_result CL37 0x%x", pause_result);
6282 	}
6283 	elink_pause_resolve(phy, params, vars, pause_result);
6284 
6285 }
6286 
6287 static void elink_flow_ctrl_resolve(struct elink_phy *phy,
6288 				    struct elink_params *params,
6289 				    struct elink_vars *vars,
6290 				    uint32_t gp_status)
6291 {
6292 	struct bnx2x_softc *sc = params->sc;
6293 	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
6294 
6295 	/* Resolve from gp_status in case of AN complete and not sgmii */
6296 	if (phy->req_flow_ctrl != ELINK_FLOW_CTRL_AUTO) {
6297 		/* Update the advertised flow-controled of LD/LP in AN */
6298 		if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
6299 			elink_update_adv_fc(phy, params, vars, gp_status);
6300 		/* But set the flow-control result as the requested one */
6301 		vars->flow_ctrl = phy->req_flow_ctrl;
6302 	} else if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG)
6303 		vars->flow_ctrl = params->req_fc_auto_adv;
6304 	else if ((gp_status & ELINK_MDIO_AN_CL73_OR_37_COMPLETE) &&
6305 		 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
6306 		if (elink_direct_parallel_detect_used(phy, params)) {
6307 			vars->flow_ctrl = params->req_fc_auto_adv;
6308 			return;
6309 		}
6310 		elink_update_adv_fc(phy, params, vars, gp_status);
6311 	}
6312 	ELINK_DEBUG_P1(sc, "flow_ctrl 0x%x", vars->flow_ctrl);
6313 }
6314 
6315 static void elink_check_fallback_to_cl37(struct elink_phy *phy,
6316 					 struct elink_params *params)
6317 {
6318 	struct bnx2x_softc *sc = params->sc;
6319 	uint16_t rx_status, ustat_val, cl37_fsm_received;
6320 	ELINK_DEBUG_P0(sc, "elink_check_fallback_to_cl37");
6321 	/* Step 1: Make sure signal is detected */
6322 	CL22_RD_OVER_CL45(sc, phy,
6323 			  MDIO_REG_BANK_RX0,
6324 			  MDIO_RX0_RX_STATUS,
6325 			  &rx_status);
6326 	if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
6327 	    (MDIO_RX0_RX_STATUS_SIGDET)) {
6328 		ELINK_DEBUG_P1(sc, "Signal is not detected. Restoring CL73."
6329 			     "rx_status(0x80b0) = 0x%x", rx_status);
6330 		CL22_WR_OVER_CL45(sc, phy,
6331 				  MDIO_REG_BANK_CL73_IEEEB0,
6332 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
6333 				  MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
6334 		return;
6335 	}
6336 	/* Step 2: Check CL73 state machine */
6337 	CL22_RD_OVER_CL45(sc, phy,
6338 			  MDIO_REG_BANK_CL73_USERB0,
6339 			  MDIO_CL73_USERB0_CL73_USTAT1,
6340 			  &ustat_val);
6341 	if ((ustat_val &
6342 	     (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
6343 	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
6344 	    (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
6345 	      MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
6346 		ELINK_DEBUG_P1(sc, "CL73 state-machine is not stable. "
6347 			     "ustat_val(0x8371) = 0x%x", ustat_val);
6348 		return;
6349 	}
6350 	/* Step 3: Check CL37 Message Pages received to indicate LP
6351 	 * supports only CL37
6352 	 */
6353 	CL22_RD_OVER_CL45(sc, phy,
6354 			  MDIO_REG_BANK_REMOTE_PHY,
6355 			  MDIO_REMOTE_PHY_MISC_RX_STATUS,
6356 			  &cl37_fsm_received);
6357 	if ((cl37_fsm_received &
6358 	     (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
6359 	     MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
6360 	    (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
6361 	      MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
6362 		ELINK_DEBUG_P1(sc, "No CL37 FSM were received. "
6363 			     "misc_rx_status(0x8330) = 0x%x",
6364 			 cl37_fsm_received);
6365 		return;
6366 	}
6367 	/* The combined cl37/cl73 fsm state information indicating that
6368 	 * we are connected to a device which does not support cl73, but
6369 	 * does support cl37 BAM. In this case we disable cl73 and
6370 	 * restart cl37 auto-neg
6371 	 */
6372 
6373 	/* Disable CL73 */
6374 	CL22_WR_OVER_CL45(sc, phy,
6375 			  MDIO_REG_BANK_CL73_IEEEB0,
6376 			  MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
6377 			  0);
6378 	/* Restart CL37 autoneg */
6379 	elink_restart_autoneg(phy, params, 0);
6380 	ELINK_DEBUG_P0(sc, "Disabling CL73, and restarting CL37 autoneg");
6381 }
6382 
6383 static void elink_xgxs_an_resolve(struct elink_phy *phy,
6384 				  struct elink_params *params,
6385 				  struct elink_vars *vars,
6386 				  uint32_t gp_status)
6387 {
6388 	if (gp_status & ELINK_MDIO_AN_CL73_OR_37_COMPLETE)
6389 		vars->link_status |=
6390 			LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6391 
6392 	if (elink_direct_parallel_detect_used(phy, params))
6393 		vars->link_status |=
6394 			LINK_STATUS_PARALLEL_DETECTION_USED;
6395 }
6396 static elink_status_t elink_get_link_speed_duplex(struct elink_phy *phy,
6397 				     struct elink_params *params,
6398 				      struct elink_vars *vars,
6399 				      uint16_t is_link_up,
6400 				      uint16_t speed_mask,
6401 				      uint16_t is_duplex)
6402 {
6403 	struct bnx2x_softc *sc = params->sc;
6404 	if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
6405 		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
6406 	if (is_link_up) {
6407 		ELINK_DEBUG_P0(sc, "phy link up");
6408 
6409 		vars->phy_link_up = 1;
6410 		vars->link_status |= LINK_STATUS_LINK_UP;
6411 
6412 		switch (speed_mask) {
6413 		case ELINK_GP_STATUS_10M:
6414 			vars->line_speed = ELINK_SPEED_10;
6415 			if (is_duplex == DUPLEX_FULL)
6416 				vars->link_status |= ELINK_LINK_10TFD;
6417 			else
6418 				vars->link_status |= ELINK_LINK_10THD;
6419 			break;
6420 
6421 		case ELINK_GP_STATUS_100M:
6422 			vars->line_speed = ELINK_SPEED_100;
6423 			if (is_duplex == DUPLEX_FULL)
6424 				vars->link_status |= ELINK_LINK_100TXFD;
6425 			else
6426 				vars->link_status |= ELINK_LINK_100TXHD;
6427 			break;
6428 
6429 		case ELINK_GP_STATUS_1G:
6430 		case ELINK_GP_STATUS_1G_KX:
6431 			vars->line_speed = ELINK_SPEED_1000;
6432 			if (is_duplex == DUPLEX_FULL)
6433 				vars->link_status |= ELINK_LINK_1000TFD;
6434 			else
6435 				vars->link_status |= ELINK_LINK_1000THD;
6436 			break;
6437 
6438 		case ELINK_GP_STATUS_2_5G:
6439 			vars->line_speed = ELINK_SPEED_2500;
6440 			if (is_duplex == DUPLEX_FULL)
6441 				vars->link_status |= ELINK_LINK_2500TFD;
6442 			else
6443 				vars->link_status |= ELINK_LINK_2500THD;
6444 			break;
6445 
6446 		case ELINK_GP_STATUS_5G:
6447 		case ELINK_GP_STATUS_6G:
6448 			ELINK_DEBUG_P1(sc,
6449 				 "link speed unsupported  gp_status 0x%x",
6450 				  speed_mask);
6451 			return ELINK_STATUS_ERROR;
6452 
6453 		case ELINK_GP_STATUS_10G_KX4:
6454 		case ELINK_GP_STATUS_10G_HIG:
6455 		case ELINK_GP_STATUS_10G_CX4:
6456 		case ELINK_GP_STATUS_10G_KR:
6457 		case ELINK_GP_STATUS_10G_SFI:
6458 		case ELINK_GP_STATUS_10G_XFI:
6459 			vars->line_speed = ELINK_SPEED_10000;
6460 			vars->link_status |= ELINK_LINK_10GTFD;
6461 			break;
6462 		case ELINK_GP_STATUS_20G_DXGXS:
6463 		case ELINK_GP_STATUS_20G_KR2:
6464 			vars->line_speed = ELINK_SPEED_20000;
6465 			vars->link_status |= ELINK_LINK_20GTFD;
6466 			break;
6467 		default:
6468 			ELINK_DEBUG_P1(sc,
6469 				  "link speed unsupported gp_status 0x%x",
6470 				  speed_mask);
6471 			return ELINK_STATUS_ERROR;
6472 		}
6473 	} else { /* link_down */
6474 		ELINK_DEBUG_P0(sc, "phy link down");
6475 
6476 		vars->phy_link_up = 0;
6477 
6478 		vars->duplex = DUPLEX_FULL;
6479 		vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
6480 		vars->mac_type = ELINK_MAC_TYPE_NONE;
6481 	}
6482 	ELINK_DEBUG_P2(sc, " in elink_get_link_speed_duplex vars->link_status = %x, vars->duplex = %x",
6483 			vars->link_status, vars->duplex);
6484 	ELINK_DEBUG_P2(sc, " phy_link_up %x line_speed %d",
6485 		    vars->phy_link_up, vars->line_speed);
6486 	return ELINK_STATUS_OK;
6487 }
6488 
6489 static uint8_t elink_link_settings_status(struct elink_phy *phy,
6490 				      struct elink_params *params,
6491 				      struct elink_vars *vars)
6492 {
6493 	struct bnx2x_softc *sc = params->sc;
6494 
6495 	uint16_t gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
6496 	elink_status_t rc = ELINK_STATUS_OK;
6497 
6498 	/* Read gp_status */
6499 	CL22_RD_OVER_CL45(sc, phy,
6500 			  MDIO_REG_BANK_GP_STATUS,
6501 			  MDIO_GP_STATUS_TOP_AN_STATUS1,
6502 			  &gp_status);
6503 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS) {
6504 		duplex = DUPLEX_FULL;
6505 		ELINK_DEBUG_P1(sc, "duplex status read from phy is = %x",
6506 				duplex);
6507 	} else {
6508 		ELINK_DEBUG_P1(sc, "phy status does not allow interface to be FULL_DUPLEX : %x",
6509 			gp_status);
6510 	}
6511 
6512 
6513 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
6514 		link_up = 1;
6515 	speed_mask = gp_status & ELINK_GP_STATUS_SPEED_MASK;
6516 	ELINK_DEBUG_P3(sc, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x",
6517 		       gp_status, link_up, speed_mask);
6518 	rc = elink_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
6519 					 duplex);
6520 	if (rc == ELINK_STATUS_ERROR)
6521 		return rc;
6522 
6523 	if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
6524 		if (ELINK_SINGLE_MEDIA_DIRECT(params)) {
6525 			vars->duplex = duplex;
6526 			elink_flow_ctrl_resolve(phy, params, vars, gp_status);
6527 			if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
6528 				elink_xgxs_an_resolve(phy, params, vars,
6529 						      gp_status);
6530 		}
6531 	} else { /* Link_down */
6532 		if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
6533 		    ELINK_SINGLE_MEDIA_DIRECT(params)) {
6534 			/* Check signal is detected */
6535 			elink_check_fallback_to_cl37(phy, params);
6536 		}
6537 	}
6538 
6539 	/* Read LP advertised speeds*/
6540 	if (ELINK_SINGLE_MEDIA_DIRECT(params) &&
6541 	    (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
6542 		uint16_t val;
6543 
6544 		CL22_RD_OVER_CL45(sc, phy, MDIO_REG_BANK_CL73_IEEEB1,
6545 				  MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
6546 
6547 		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
6548 			vars->link_status |=
6549 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
6550 		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
6551 			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
6552 			vars->link_status |=
6553 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
6554 
6555 		CL22_RD_OVER_CL45(sc, phy, MDIO_REG_BANK_OVER_1G,
6556 				  MDIO_OVER_1G_LP_UP1, &val);
6557 
6558 		if (val & MDIO_OVER_1G_UP1_2_5G)
6559 			vars->link_status |=
6560 				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
6561 		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
6562 			vars->link_status |=
6563 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
6564 	}
6565 
6566 	ELINK_DEBUG_P3(sc, "duplex %x  flow_ctrl 0x%x link_status 0x%x",
6567 		   vars->duplex, vars->flow_ctrl, vars->link_status);
6568 	return rc;
6569 }
6570 
6571 static uint8_t elink_warpcore_read_status(struct elink_phy *phy,
6572 				     struct elink_params *params,
6573 				     struct elink_vars *vars)
6574 {
6575 	struct bnx2x_softc *sc = params->sc;
6576 	uint8_t lane;
6577 	uint16_t gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
6578 	elink_status_t rc = ELINK_STATUS_OK;
6579 	lane = elink_get_warpcore_lane(phy, params);
6580 	/* Read gp_status */
6581 	if ((params->loopback_mode) &&
6582 	    (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)) {
6583 		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6584 				MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
6585 		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6586 				MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
6587 		link_up &= 0x1;
6588 		ELINK_DEBUG_P1(sc, "params->loopback_mode link_up read = %x",
6589 				link_up);
6590 	} else if ((phy->req_line_speed > ELINK_SPEED_10000) &&
6591 		(phy->supported & ELINK_SUPPORTED_20000baseMLD2_Full)) {
6592 		uint16_t temp_link_up;
6593 		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6594 				1, &temp_link_up);
6595 		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6596 				1, &link_up);
6597 		ELINK_DEBUG_P2(sc, "PCS RX link status = 0x%x-->0x%x",
6598 			       temp_link_up, link_up);
6599 		link_up &= (1 << 2);
6600 		if (link_up)
6601 			elink_ext_phy_resolve_fc(phy, params, vars);
6602 	} else {
6603 		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6604 				MDIO_WC_REG_GP2_STATUS_GP_2_1,
6605 				&gp_status1);
6606 		ELINK_DEBUG_P1(sc, "0x81d1 = 0x%x", gp_status1);
6607 		/* Check for either KR, 1G, or AN up. */
6608 		link_up = ((gp_status1 >> 8) |
6609 			   (gp_status1 >> 12) |
6610 			   (gp_status1)) &
6611 			(1 << lane);
6612 		if (phy->supported & ELINK_SUPPORTED_20000baseKR2_Full) {
6613 			uint16_t an_link;
6614 			elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
6615 					MDIO_AN_REG_STATUS, &an_link);
6616 			elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
6617 					MDIO_AN_REG_STATUS, &an_link);
6618 			link_up |= (an_link & (1 << 2));
6619 			ELINK_DEBUG_P2(sc, "an_link = %x, link_up = %x",
6620 					an_link, link_up);
6621 		}
6622 		if (link_up && ELINK_SINGLE_MEDIA_DIRECT(params)) {
6623 			uint16_t pd, gp_status4;
6624 			if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
6625 				/* Check Autoneg complete */
6626 				elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6627 						MDIO_WC_REG_GP2_STATUS_GP_2_4,
6628 						&gp_status4);
6629 				if (gp_status4 & ((1 << 12) << lane))
6630 					vars->link_status |=
6631 					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6632 
6633 				/* Check parallel detect used */
6634 				elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6635 						MDIO_WC_REG_PAR_DET_10G_STATUS,
6636 						&pd);
6637 				if (pd & (1 << 15))
6638 					vars->link_status |=
6639 					LINK_STATUS_PARALLEL_DETECTION_USED;
6640 				ELINK_DEBUG_P2(sc, "pd = %x, link_status = %x",
6641 						pd, vars->link_status);
6642 			}
6643 			elink_ext_phy_resolve_fc(phy, params, vars);
6644 			vars->duplex = duplex;
6645 			ELINK_DEBUG_P3(sc, " ELINK_SINGLE_MEDIA_DIRECT duplex %x  flow_ctrl 0x%x link_status 0x%x",
6646 					vars->duplex, vars->flow_ctrl,
6647 					vars->link_status);
6648 		}
6649 	}
6650 	ELINK_DEBUG_P3(sc, "duplex %x  flow_ctrl 0x%x link_status 0x%x",
6651 			vars->duplex, vars->flow_ctrl, vars->link_status);
6652 	if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
6653 	    ELINK_SINGLE_MEDIA_DIRECT(params)) {
6654 		uint16_t val;
6655 
6656 		elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
6657 				MDIO_AN_REG_LP_AUTO_NEG2, &val);
6658 
6659 		if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
6660 			vars->link_status |=
6661 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
6662 		if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
6663 			   MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
6664 			vars->link_status |=
6665 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
6666 		ELINK_DEBUG_P2(sc, "val = %x, link_status = %x",
6667 				val, vars->link_status);
6668 		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6669 				MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
6670 
6671 		if (val & MDIO_OVER_1G_UP1_2_5G)
6672 			vars->link_status |=
6673 				LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
6674 		if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
6675 			vars->link_status |=
6676 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
6677 		ELINK_DEBUG_P2(sc, "val = %x, link_status = %x",
6678 				val, vars->link_status);
6679 
6680 	}
6681 
6682 
6683 	if (lane < 2) {
6684 		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6685 				MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
6686 	} else {
6687 		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6688 				MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
6689 	}
6690 	ELINK_DEBUG_P2(sc, "lane %d gp_speed 0x%x", lane, gp_speed);
6691 
6692 	if ((lane & 1) == 0)
6693 		gp_speed <<= 8;
6694 	gp_speed &= 0x3f00;
6695 	link_up = !!link_up;
6696 
6697 	/* Reset the TX FIFO to fix SGMII issue */
6698 	rc = elink_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
6699 					 duplex);
6700 
6701 	/* In case of KR link down, start up the recovering procedure */
6702 	if ((!link_up) && (phy->media_type == ELINK_ETH_PHY_KR) &&
6703 	    (!(phy->flags & ELINK_FLAGS_WC_DUAL_MODE)))
6704 		vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
6705 
6706 	ELINK_DEBUG_P3(sc, "duplex %x  flow_ctrl 0x%x link_status 0x%x",
6707 		   vars->duplex, vars->flow_ctrl, vars->link_status);
6708 	return rc;
6709 }
6710 static void elink_set_gmii_tx_driver(struct elink_params *params)
6711 {
6712 	struct bnx2x_softc *sc = params->sc;
6713 	struct elink_phy *phy = &params->phy[ELINK_INT_PHY];
6714 	uint16_t lp_up2;
6715 	uint16_t tx_driver;
6716 	uint16_t bank;
6717 
6718 	/* Read precomp */
6719 	CL22_RD_OVER_CL45(sc, phy,
6720 			  MDIO_REG_BANK_OVER_1G,
6721 			  MDIO_OVER_1G_LP_UP2, &lp_up2);
6722 
6723 	/* Bits [10:7] at lp_up2, positioned at [15:12] */
6724 	lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
6725 		   MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
6726 		  MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
6727 
6728 	if (lp_up2 == 0)
6729 		return;
6730 
6731 	for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
6732 	      bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
6733 		CL22_RD_OVER_CL45(sc, phy,
6734 				  bank,
6735 				  MDIO_TX0_TX_DRIVER, &tx_driver);
6736 
6737 		/* Replace tx_driver bits [15:12] */
6738 		if (lp_up2 !=
6739 		    (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
6740 			tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
6741 			tx_driver |= lp_up2;
6742 			CL22_WR_OVER_CL45(sc, phy,
6743 					  bank,
6744 					  MDIO_TX0_TX_DRIVER, tx_driver);
6745 		}
6746 	}
6747 }
6748 
6749 static elink_status_t elink_emac_program(struct elink_params *params,
6750 			      struct elink_vars *vars)
6751 {
6752 	struct bnx2x_softc *sc = params->sc;
6753 	uint8_t port = params->port;
6754 	uint16_t mode = 0;
6755 
6756 	ELINK_DEBUG_P0(sc, "setting link speed & duplex");
6757 	elink_bits_dis(sc, GRCBASE_EMAC0 + port * 0x400 +
6758 		       EMAC_REG_EMAC_MODE,
6759 		       (EMAC_MODE_25G_MODE |
6760 			EMAC_MODE_PORT_MII_10M |
6761 			EMAC_MODE_HALF_DUPLEX));
6762 	switch (vars->line_speed) {
6763 	case ELINK_SPEED_10:
6764 		mode |= EMAC_MODE_PORT_MII_10M;
6765 		break;
6766 
6767 	case ELINK_SPEED_100:
6768 		mode |= EMAC_MODE_PORT_MII;
6769 		break;
6770 
6771 	case ELINK_SPEED_1000:
6772 		mode |= EMAC_MODE_PORT_GMII;
6773 		break;
6774 
6775 	case ELINK_SPEED_2500:
6776 		mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
6777 		break;
6778 
6779 	default:
6780 		/* 10G not valid for EMAC */
6781 		ELINK_DEBUG_P1(sc, "Invalid line_speed 0x%x",
6782 			   vars->line_speed);
6783 		return ELINK_STATUS_ERROR;
6784 	}
6785 
6786 	if (vars->duplex == DUPLEX_HALF)
6787 		mode |= EMAC_MODE_HALF_DUPLEX;
6788 	elink_bits_en(sc,
6789 		      GRCBASE_EMAC0 + port * 0x400 + EMAC_REG_EMAC_MODE,
6790 		      mode);
6791 
6792 	elink_set_led(params, vars, ELINK_LED_MODE_OPER, vars->line_speed);
6793 	return ELINK_STATUS_OK;
6794 }
6795 
6796 static void elink_set_preemphasis(struct elink_phy *phy,
6797 				  struct elink_params *params)
6798 {
6799 
6800 	uint16_t bank, i = 0;
6801 	struct bnx2x_softc *sc = params->sc;
6802 
6803 	for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
6804 	     bank += (MDIO_REG_BANK_RX1 - MDIO_REG_BANK_RX0), i++) {
6805 		CL22_WR_OVER_CL45(sc, phy,
6806 				  bank,
6807 				  MDIO_RX0_RX_EQ_BOOST,
6808 				  phy->rx_preemphasis[i]);
6809 	}
6810 
6811 	for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
6812 	     bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
6813 		CL22_WR_OVER_CL45(sc, phy,
6814 				  bank,
6815 				  MDIO_TX0_TX_DRIVER,
6816 				  phy->tx_preemphasis[i]);
6817 	}
6818 }
6819 
6820 static uint8_t elink_xgxs_config_init(struct elink_phy *phy,
6821 				   struct elink_params *params,
6822 				   struct elink_vars *vars)
6823 {
6824 	struct bnx2x_softc *sc = params->sc;
6825 	uint8_t enable_cl73 = (ELINK_SINGLE_MEDIA_DIRECT(params) ||
6826 			  (params->loopback_mode == ELINK_LOOPBACK_XGXS));
6827 	if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
6828 		if (ELINK_SINGLE_MEDIA_DIRECT(params) &&
6829 		    (params->feature_config_flags &
6830 		     ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
6831 			elink_set_preemphasis(phy, params);
6832 
6833 		/* Forced speed requested? */
6834 		if (vars->line_speed != ELINK_SPEED_AUTO_NEG ||
6835 		    (ELINK_SINGLE_MEDIA_DIRECT(params) &&
6836 		     params->loopback_mode == ELINK_LOOPBACK_EXT)) {
6837 			ELINK_DEBUG_P0(sc, "not SGMII, no AN");
6838 
6839 			/* Disable autoneg */
6840 			elink_set_autoneg(phy, params, vars, 0);
6841 
6842 			/* Program speed and duplex */
6843 			elink_program_serdes(phy, params, vars);
6844 
6845 		} else { /* AN_mode */
6846 			ELINK_DEBUG_P0(sc, "not SGMII, AN");
6847 
6848 			/* AN enabled */
6849 			elink_set_brcm_cl37_advertisement(phy, params);
6850 
6851 			/* Program duplex & pause advertisement (for aneg) */
6852 			elink_set_ieee_aneg_advertisement(phy, params,
6853 							  vars->ieee_fc);
6854 
6855 			/* Enable autoneg */
6856 			elink_set_autoneg(phy, params, vars, enable_cl73);
6857 
6858 			/* Enable and restart AN */
6859 			elink_restart_autoneg(phy, params, enable_cl73);
6860 		}
6861 
6862 	} else { /* SGMII mode */
6863 		ELINK_DEBUG_P0(sc, "SGMII");
6864 
6865 		elink_initialize_sgmii_process(phy, params, vars);
6866 	}
6867 
6868 	return 0;
6869 }
6870 
6871 static elink_status_t elink_prepare_xgxs(struct elink_phy *phy,
6872 			  struct elink_params *params,
6873 			  struct elink_vars *vars)
6874 {
6875 	elink_status_t rc;
6876 	vars->phy_flags |= PHY_XGXS_FLAG;
6877 	if ((phy->req_line_speed &&
6878 	     ((phy->req_line_speed == ELINK_SPEED_100) ||
6879 	      (phy->req_line_speed == ELINK_SPEED_10))) ||
6880 	    (!phy->req_line_speed &&
6881 	     (phy->speed_cap_mask >=
6882 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
6883 	     (phy->speed_cap_mask <
6884 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
6885 	    (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
6886 		vars->phy_flags |= PHY_SGMII_FLAG;
6887 	else
6888 		vars->phy_flags &= ~PHY_SGMII_FLAG;
6889 
6890 	elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
6891 	elink_set_aer_mmd(params, phy);
6892 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
6893 		elink_set_master_ln(params, phy);
6894 
6895 	rc = elink_reset_unicore(params, phy, 0);
6896 	/* Reset the SerDes and wait for reset bit return low */
6897 	if (rc != ELINK_STATUS_OK)
6898 		return rc;
6899 
6900 	elink_set_aer_mmd(params, phy);
6901 	/* Setting the masterLn_def again after the reset */
6902 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
6903 		elink_set_master_ln(params, phy);
6904 		elink_set_swap_lanes(params, phy);
6905 	}
6906 
6907 	return rc;
6908 }
6909 
6910 static uint16_t elink_wait_reset_complete(struct bnx2x_softc *sc,
6911 				     struct elink_phy *phy,
6912 				     struct elink_params *params)
6913 {
6914 	uint16_t cnt, ctrl;
6915 	/* Wait for soft reset to get cleared up to 1 sec */
6916 	for (cnt = 0; cnt < 1000; cnt++) {
6917 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY2_TYPE_BNX2X54618SE)
6918 			elink_cl22_read(sc, phy,
6919 				MDIO_PMA_REG_CTRL, &ctrl);
6920 		else
6921 			elink_cl45_read(sc, phy,
6922 				MDIO_PMA_DEVAD,
6923 				MDIO_PMA_REG_CTRL, &ctrl);
6924 		if (!(ctrl & (1 << 15)))
6925 			break;
6926 		DELAY(1000 * 1);
6927 	}
6928 
6929 	if (cnt == 1000)
6930 		elink_cb_event_log(sc, ELINK_LOG_ID_PHY_UNINITIALIZED,
6931 				   params->port);
6932 				     /* "Warning: PHY was not initialized,"
6933 				      * " Port %d",
6934 				      */
6935 
6936 	ELINK_DEBUG_P2(sc, "control reg 0x%x (after %d ms)", ctrl, cnt);
6937 	return cnt;
6938 }
6939 
6940 static void elink_link_int_enable(struct elink_params *params)
6941 {
6942 	uint8_t port = params->port;
6943 	uint32_t mask;
6944 	struct bnx2x_softc *sc = params->sc;
6945 
6946 	/* Setting the status to report on link up for either XGXS or SerDes */
6947 	if (CHIP_IS_E3(sc)) {
6948 		mask = ELINK_NIG_MASK_XGXS0_LINK_STATUS;
6949 		if (!(ELINK_SINGLE_MEDIA_DIRECT(params)))
6950 			mask |= ELINK_NIG_MASK_MI_INT;
6951 	} else if (params->switch_cfg == ELINK_SWITCH_CFG_10G) {
6952 		mask = (ELINK_NIG_MASK_XGXS0_LINK10G |
6953 			ELINK_NIG_MASK_XGXS0_LINK_STATUS);
6954 		ELINK_DEBUG_P0(sc, "enabled XGXS interrupt");
6955 		if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) &&
6956 			params->phy[ELINK_INT_PHY].type !=
6957 				PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
6958 			mask |= ELINK_NIG_MASK_MI_INT;
6959 			ELINK_DEBUG_P0(sc, "enabled external phy int");
6960 		}
6961 
6962 	} else { /* SerDes */
6963 		mask = ELINK_NIG_MASK_SERDES0_LINK_STATUS;
6964 		ELINK_DEBUG_P0(sc, "enabled SerDes interrupt");
6965 		if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) &&
6966 			params->phy[ELINK_INT_PHY].type !=
6967 				PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
6968 			mask |= ELINK_NIG_MASK_MI_INT;
6969 			ELINK_DEBUG_P0(sc, "enabled external phy int");
6970 		}
6971 	}
6972 	elink_bits_en(sc,
6973 		      NIG_REG_MASK_INTERRUPT_PORT0 + port * 4,
6974 		      mask);
6975 
6976 	ELINK_DEBUG_P3(sc, "port %x, is_xgxs %x, int_status 0x%x", port,
6977 		 (params->switch_cfg == ELINK_SWITCH_CFG_10G),
6978 		 REG_RD(sc, NIG_REG_STATUS_INTERRUPT_PORT0 + port * 4));
6979 	ELINK_DEBUG_P3(sc, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x",
6980 		 REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 + port * 4),
6981 		 REG_RD(sc, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port * 0x18),
6982 		 REG_RD(sc, NIG_REG_SERDES0_STATUS_LINK_STATUS + port * 0x3c));
6983 	ELINK_DEBUG_P2(sc, " 10G %x, XGXS_LINK %x",
6984 	   REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK10G + port * 0x68),
6985 	   REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK_STATUS + port * 0x68));
6986 }
6987 
6988 static void elink_rearm_latch_signal(struct bnx2x_softc *sc, uint8_t port,
6989 				     uint8_t exp_mi_int)
6990 {
6991 	uint32_t latch_status = 0;
6992 
6993 	/* Disable the MI INT ( external phy int ) by writing 1 to the
6994 	 * status register. Link down indication is high-active-signal,
6995 	 * so in this case we need to write the status to clear the XOR
6996 	 */
6997 	/* Read Latched signals */
6998 	latch_status = REG_RD(sc,
6999 				    NIG_REG_LATCH_STATUS_0 + port * 8);
7000 	ELINK_DEBUG_P1(sc, "latch_status = 0x%x", latch_status);
7001 	/* Handle only those with latched-signal=up.*/
7002 	if (exp_mi_int)
7003 		elink_bits_en(sc,
7004 			      NIG_REG_STATUS_INTERRUPT_PORT0
7005 			      + port * 4,
7006 			      ELINK_NIG_STATUS_EMAC0_MI_INT);
7007 	else
7008 		elink_bits_dis(sc,
7009 			       NIG_REG_STATUS_INTERRUPT_PORT0
7010 			       + port * 4,
7011 			       ELINK_NIG_STATUS_EMAC0_MI_INT);
7012 
7013 	if (latch_status & 1) {
7014 
7015 		/* For all latched-signal=up : Re-Arm Latch signals */
7016 		REG_WR(sc, NIG_REG_LATCH_STATUS_0 + port * 8,
7017 		       (latch_status & 0xfffe) | (latch_status & 1));
7018 	}
7019 	/* For all latched-signal=up,Write original_signal to status */
7020 }
7021 
7022 static void elink_link_int_ack(struct elink_params *params,
7023 			       struct elink_vars *vars, uint8_t is_10g_plus)
7024 {
7025 	struct bnx2x_softc *sc = params->sc;
7026 	uint8_t port = params->port;
7027 	uint32_t mask;
7028 	/* First reset all status we assume only one line will be
7029 	 * change at a time
7030 	 */
7031 	elink_bits_dis(sc, NIG_REG_STATUS_INTERRUPT_PORT0 + port * 4,
7032 		       (ELINK_NIG_STATUS_XGXS0_LINK10G |
7033 			ELINK_NIG_STATUS_XGXS0_LINK_STATUS |
7034 			ELINK_NIG_STATUS_SERDES0_LINK_STATUS));
7035 	if (vars->phy_link_up) {
7036 		if (USES_WARPCORE(sc))
7037 			mask = ELINK_NIG_STATUS_XGXS0_LINK_STATUS;
7038 		else {
7039 			if (is_10g_plus)
7040 				mask = ELINK_NIG_STATUS_XGXS0_LINK10G;
7041 			else if (params->switch_cfg == ELINK_SWITCH_CFG_10G) {
7042 				/* Disable the link interrupt by writing 1 to
7043 				 * the relevant lane in the status register
7044 				 */
7045 				uint32_t ser_lane =
7046 					((params->lane_config &
7047 				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
7048 				    PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
7049 				mask = ((1 << ser_lane) <<
7050 				       ELINK_NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
7051 			} else
7052 				mask = ELINK_NIG_STATUS_SERDES0_LINK_STATUS;
7053 		}
7054 		ELINK_DEBUG_P1(sc, "Ack link up interrupt with mask 0x%x",
7055 			       mask);
7056 		elink_bits_en(sc,
7057 			      NIG_REG_STATUS_INTERRUPT_PORT0 + port * 4,
7058 			      mask);
7059 	}
7060 }
7061 
7062 static elink_status_t elink_format_ver(uint32_t num, uint8_t *str,
7063 				       uint16_t *len)
7064 {
7065 	uint8_t *str_ptr = str;
7066 	uint32_t mask = 0xf0000000;
7067 	uint8_t shift = 8 * 4;
7068 	uint8_t digit;
7069 	uint8_t remove_leading_zeros = 1;
7070 	if (*len < 10) {
7071 		/* Need more than 10chars for this format */
7072 		*str_ptr = '\0';
7073 		(*len)--;
7074 		return ELINK_STATUS_ERROR;
7075 	}
7076 	while (shift > 0) {
7077 
7078 		shift -= 4;
7079 		digit = ((num & mask) >> shift);
7080 		if (digit == 0 && remove_leading_zeros) {
7081 			mask = mask >> 4;
7082 			continue;
7083 		} else if (digit < 0xa)
7084 			*str_ptr = digit + '0';
7085 		else
7086 			*str_ptr = digit - 0xa + 'a';
7087 		remove_leading_zeros = 0;
7088 		str_ptr++;
7089 		(*len)--;
7090 		mask = mask >> 4;
7091 		if (shift == 4 * 4) {
7092 			*str_ptr = '.';
7093 			str_ptr++;
7094 			(*len)--;
7095 			remove_leading_zeros = 1;
7096 		}
7097 	}
7098 	return ELINK_STATUS_OK;
7099 }
7100 
7101 
7102 static elink_status_t elink_null_format_ver(__rte_unused uint32_t spirom_ver,
7103 				 uint8_t *str,
7104 				 uint16_t *len)
7105 {
7106 	str[0] = '\0';
7107 	(*len)--;
7108 	return ELINK_STATUS_OK;
7109 }
7110 
7111 elink_status_t elink_get_ext_phy_fw_version(struct elink_params *params,
7112 				 uint8_t *version,
7113 				 uint16_t len)
7114 {
7115 	struct bnx2x_softc *sc;
7116 	uint32_t spirom_ver = 0;
7117 	elink_status_t status = ELINK_STATUS_OK;
7118 	uint8_t *ver_p = version;
7119 	uint16_t remain_len = len;
7120 	if (version == NULL || params == NULL)
7121 		return ELINK_STATUS_ERROR;
7122 	sc = params->sc;
7123 
7124 	/* Extract first external phy*/
7125 	version[0] = '\0';
7126 	spirom_ver = REG_RD(sc, params->phy[ELINK_EXT_PHY1].ver_addr);
7127 
7128 	if (params->phy[ELINK_EXT_PHY1].format_fw_ver) {
7129 		status |= params->phy[ELINK_EXT_PHY1].format_fw_ver(spirom_ver,
7130 							      ver_p,
7131 							      &remain_len);
7132 		ver_p += (len - remain_len);
7133 	}
7134 	if ((params->num_phys == ELINK_MAX_PHYS) &&
7135 	    (params->phy[ELINK_EXT_PHY2].ver_addr != 0)) {
7136 		spirom_ver = REG_RD(sc, params->phy[ELINK_EXT_PHY2].ver_addr);
7137 		if (params->phy[ELINK_EXT_PHY2].format_fw_ver) {
7138 			*ver_p = '/';
7139 			ver_p++;
7140 			remain_len--;
7141 			status |= params->phy[ELINK_EXT_PHY2].format_fw_ver(
7142 				spirom_ver,
7143 				ver_p,
7144 				&remain_len);
7145 			ver_p = version + (len - remain_len);
7146 		}
7147 	}
7148 	*ver_p = '\0';
7149 	return status;
7150 }
7151 
7152 static void elink_set_xgxs_loopback(struct elink_phy *phy,
7153 				    struct elink_params *params)
7154 {
7155 	uint8_t port = params->port;
7156 	struct bnx2x_softc *sc = params->sc;
7157 
7158 	if (phy->req_line_speed != ELINK_SPEED_1000) {
7159 		uint32_t md_devad = 0;
7160 
7161 		ELINK_DEBUG_P0(sc, "XGXS 10G loopback enable");
7162 
7163 		if (!CHIP_IS_E3(sc)) {
7164 			/* Change the uni_phy_addr in the nig */
7165 			md_devad = REG_RD(sc, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
7166 					       port * 0x18));
7167 
7168 			REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_DEVAD + port * 0x18,
7169 			       0x5);
7170 		}
7171 
7172 		elink_cl45_write(sc, phy,
7173 				 5,
7174 				 (MDIO_REG_BANK_AER_BLOCK +
7175 				  (MDIO_AER_BLOCK_AER_REG & 0xf)),
7176 				 0x2800);
7177 
7178 		elink_cl45_write(sc, phy,
7179 				 5,
7180 				 (MDIO_REG_BANK_CL73_IEEEB0 +
7181 				  (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
7182 				 0x6041);
7183 		DELAY(1000 * 200);
7184 		/* Set aer mmd back */
7185 		elink_set_aer_mmd(params, phy);
7186 
7187 		if (!CHIP_IS_E3(sc)) {
7188 			/* And md_devad */
7189 			REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_DEVAD + port * 0x18,
7190 			       md_devad);
7191 		}
7192 	} else {
7193 		uint16_t mii_ctrl;
7194 		ELINK_DEBUG_P0(sc, "XGXS 1G loopback enable");
7195 		elink_cl45_read(sc, phy, 5,
7196 				(MDIO_REG_BANK_COMBO_IEEE0 +
7197 				(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
7198 				&mii_ctrl);
7199 		elink_cl45_write(sc, phy, 5,
7200 				 (MDIO_REG_BANK_COMBO_IEEE0 +
7201 				 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
7202 				 mii_ctrl |
7203 				 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
7204 	}
7205 }
7206 
7207 elink_status_t elink_set_led(struct elink_params *params,
7208 		  struct elink_vars *vars, uint8_t mode, uint32_t speed)
7209 {
7210 	uint8_t port = params->port;
7211 	uint16_t hw_led_mode = params->hw_led_mode;
7212 	elink_status_t rc = ELINK_STATUS_OK;
7213 	uint8_t phy_idx;
7214 	uint32_t tmp;
7215 	uint32_t emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
7216 	struct bnx2x_softc *sc = params->sc;
7217 	ELINK_DEBUG_P2(sc, "elink_set_led: port %x, mode %d", port, mode);
7218 	ELINK_DEBUG_P2(sc, "speed 0x%x, hw_led_mode 0x%x",
7219 		 speed, hw_led_mode);
7220 	/* In case */
7221 	for (phy_idx = ELINK_EXT_PHY1; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
7222 		if (params->phy[phy_idx].set_link_led) {
7223 			params->phy[phy_idx].set_link_led(
7224 				&params->phy[phy_idx], params, mode);
7225 		}
7226 	}
7227 #ifdef ELINK_INCLUDE_EMUL
7228 	if (params->feature_config_flags &
7229 	    ELINK_FEATURE_CONFIG_EMUL_DISABLE_EMAC)
7230 		return rc;
7231 #endif
7232 
7233 	switch (mode) {
7234 	case ELINK_LED_MODE_FRONT_PANEL_OFF:
7235 	case ELINK_LED_MODE_OFF:
7236 		REG_WR(sc, NIG_REG_LED_10G_P0 + port * 4, 0);
7237 		REG_WR(sc, NIG_REG_LED_MODE_P0 + port * 4,
7238 		       SHARED_HW_CFG_LED_MAC1);
7239 
7240 		tmp = elink_cb_reg_read(sc, emac_base + EMAC_REG_EMAC_LED);
7241 		if (params->phy[ELINK_EXT_PHY1].type ==
7242 			PORT_HW_CFG_XGXS_EXT_PHY2_TYPE_BNX2X54618SE)
7243 			tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
7244 				EMAC_LED_100MB_OVERRIDE |
7245 				EMAC_LED_10MB_OVERRIDE);
7246 		else
7247 			tmp |= EMAC_LED_OVERRIDE;
7248 
7249 		elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED, tmp);
7250 		break;
7251 
7252 	case ELINK_LED_MODE_OPER:
7253 		/* For all other phys, OPER mode is same as ON, so in case
7254 		 * link is down, do nothing
7255 		 */
7256 		if (!vars->link_up)
7257 			break;
7258 		/* fallthrough */
7259 	case ELINK_LED_MODE_ON:
7260 		if (((params->phy[ELINK_EXT_PHY1].type ==
7261 			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8727) ||
7262 			 (params->phy[ELINK_EXT_PHY1].type ==
7263 			  PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8722)) &&
7264 		    CHIP_IS_E2(sc) && params->num_phys == 2) {
7265 			/* This is a work-around for E2 + 8727 Configurations */
7266 			if (mode == ELINK_LED_MODE_ON ||
7267 				speed == ELINK_SPEED_10000){
7268 				REG_WR(sc, NIG_REG_LED_MODE_P0 + port * 4, 0);
7269 				REG_WR(sc, NIG_REG_LED_10G_P0 + port * 4, 1);
7270 
7271 				tmp = elink_cb_reg_read(sc, emac_base +
7272 							EMAC_REG_EMAC_LED);
7273 				elink_cb_reg_write(sc, emac_base +
7274 						   EMAC_REG_EMAC_LED,
7275 						   (tmp | EMAC_LED_OVERRIDE));
7276 				/* Return here without enabling traffic
7277 				 * LED blink and setting rate in ON mode.
7278 				 * In oper mode, enabling LED blink
7279 				 * and setting rate is needed.
7280 				 */
7281 				if (mode == ELINK_LED_MODE_ON)
7282 					return rc;
7283 			}
7284 		} else if (ELINK_SINGLE_MEDIA_DIRECT(params)) {
7285 			/* This is a work-around for HW issue found when link
7286 			 * is up in CL73
7287 			 */
7288 			if ((!CHIP_IS_E3(sc)) ||
7289 			    (CHIP_IS_E3(sc) &&
7290 			     mode == ELINK_LED_MODE_ON))
7291 				REG_WR(sc, NIG_REG_LED_10G_P0 + port * 4, 1);
7292 
7293 			if (CHIP_IS_E1x(sc) ||
7294 			    CHIP_IS_E2(sc) ||
7295 			    (mode == ELINK_LED_MODE_ON))
7296 				REG_WR(sc, NIG_REG_LED_MODE_P0 + port * 4, 0);
7297 			else
7298 				REG_WR(sc, NIG_REG_LED_MODE_P0 + port * 4,
7299 				       hw_led_mode);
7300 		} else if ((params->phy[ELINK_EXT_PHY1].type ==
7301 			    PORT_HW_CFG_XGXS_EXT_PHY2_TYPE_BNX2X54618SE) &&
7302 			   (mode == ELINK_LED_MODE_ON)) {
7303 			REG_WR(sc, NIG_REG_LED_MODE_P0 + port * 4, 0);
7304 			tmp = elink_cb_reg_read(sc, emac_base +
7305 						EMAC_REG_EMAC_LED);
7306 			elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED,
7307 					   tmp | EMAC_LED_OVERRIDE |
7308 					   EMAC_LED_1000MB_OVERRIDE);
7309 			/* Break here; otherwise, it'll disable the
7310 			 * intended override.
7311 			 */
7312 			break;
7313 		} else {
7314 			uint32_t nig_led_mode = ((params->hw_led_mode <<
7315 					     SHARED_HW_CFG_LED_MODE_SHIFT) ==
7316 					    SHARED_HW_CFG_LED_EXTPHY2) ?
7317 				(SHARED_HW_CFG_LED_PHY1 >>
7318 				 SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
7319 			REG_WR(sc, NIG_REG_LED_MODE_P0 + port * 4,
7320 			       nig_led_mode);
7321 		}
7322 
7323 		REG_WR(sc, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port * 4,
7324 		       0);
7325 		/* Set blinking rate to ~15.9Hz */
7326 		if (CHIP_IS_E3(sc))
7327 			REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port * 4,
7328 			       LED_BLINK_RATE_VAL_E3);
7329 		else
7330 			REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port * 4,
7331 			       LED_BLINK_RATE_VAL_E1X_E2);
7332 		REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
7333 		       port * 4, 1);
7334 		tmp = elink_cb_reg_read(sc, emac_base + EMAC_REG_EMAC_LED);
7335 		elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED,
7336 			(tmp & (~EMAC_LED_OVERRIDE)));
7337 
7338 		if (CHIP_IS_E1(sc) &&
7339 		    ((speed == ELINK_SPEED_2500) ||
7340 		     (speed == ELINK_SPEED_1000) ||
7341 		     (speed == ELINK_SPEED_100) ||
7342 		     (speed == ELINK_SPEED_10))) {
7343 			/* For speeds less than 10G LED scheme is different */
7344 			REG_WR(sc, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
7345 			       + port * 4, 1);
7346 			REG_WR(sc, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
7347 			       port * 4, 0);
7348 			REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
7349 			       port * 4, 1);
7350 		}
7351 		break;
7352 
7353 	default:
7354 		rc = ELINK_STATUS_ERROR;
7355 		ELINK_DEBUG_P1(sc, "elink_set_led: Invalid led mode %d",
7356 			 mode);
7357 		break;
7358 	}
7359 	return rc;
7360 
7361 }
7362 
7363 /* This function comes to reflect the actual link state read DIRECTLY from the
7364  * HW
7365  */
7366 elink_status_t elink_test_link(struct elink_params *params,
7367 			       __rte_unused struct elink_vars *vars,
7368 		    uint8_t is_serdes)
7369 {
7370 	struct bnx2x_softc *sc = params->sc;
7371 	uint16_t gp_status = 0, phy_index = 0;
7372 	uint8_t ext_phy_link_up = 0, serdes_phy_type;
7373 	struct elink_vars temp_vars;
7374 	struct elink_phy *int_phy = &params->phy[ELINK_INT_PHY];
7375 #ifdef ELINK_INCLUDE_FPGA
7376 	if (CHIP_REV_IS_FPGA(sc))
7377 		return ELINK_STATUS_OK;
7378 #endif
7379 #ifdef ELINK_INCLUDE_EMUL
7380 	if (CHIP_REV_IS_EMUL(sc))
7381 		return ELINK_STATUS_OK;
7382 #endif
7383 
7384 	if (CHIP_IS_E3(sc)) {
7385 		uint16_t link_up;
7386 		if (params->req_line_speed[ELINK_LINK_CONFIG_IDX(ELINK_INT_PHY)]
7387 		    > ELINK_SPEED_10000) {
7388 			/* Check 20G link */
7389 			elink_cl45_read(sc, int_phy, MDIO_WC_DEVAD,
7390 					1, &link_up);
7391 			elink_cl45_read(sc, int_phy, MDIO_WC_DEVAD,
7392 					1, &link_up);
7393 			link_up &= (1 << 2);
7394 		} else {
7395 			/* Check 10G link and below*/
7396 			uint8_t lane = elink_get_warpcore_lane(int_phy, params);
7397 			elink_cl45_read(sc, int_phy, MDIO_WC_DEVAD,
7398 					MDIO_WC_REG_GP2_STATUS_GP_2_1,
7399 					&gp_status);
7400 			gp_status = ((gp_status >> 8) & 0xf) |
7401 				((gp_status >> 12) & 0xf);
7402 			link_up = gp_status & (1 << lane);
7403 		}
7404 		if (!link_up)
7405 			return ELINK_STATUS_NO_LINK;
7406 	} else {
7407 		CL22_RD_OVER_CL45(sc, int_phy,
7408 			  MDIO_REG_BANK_GP_STATUS,
7409 			  MDIO_GP_STATUS_TOP_AN_STATUS1,
7410 			  &gp_status);
7411 	/* Link is up only if both local phy and external phy are up */
7412 	if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
7413 		return ELINK_STATUS_NO_LINK;
7414 	}
7415 	/* In XGXS loopback mode, do not check external PHY */
7416 	if (params->loopback_mode == ELINK_LOOPBACK_XGXS)
7417 		return ELINK_STATUS_OK;
7418 
7419 	switch (params->num_phys) {
7420 	case 1:
7421 		/* No external PHY */
7422 		return ELINK_STATUS_OK;
7423 	case 2:
7424 		ext_phy_link_up = params->phy[ELINK_EXT_PHY1].read_status(
7425 			&params->phy[ELINK_EXT_PHY1],
7426 			params, &temp_vars);
7427 		break;
7428 	case 3: /* Dual Media */
7429 		for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
7430 		      phy_index++) {
7431 			serdes_phy_type = ((params->phy[phy_index].media_type ==
7432 					    ELINK_ETH_PHY_SFPP_10G_FIBER) ||
7433 					   (params->phy[phy_index].media_type ==
7434 					    ELINK_ETH_PHY_SFP_1G_FIBER) ||
7435 					   (params->phy[phy_index].media_type ==
7436 					    ELINK_ETH_PHY_XFP_FIBER) ||
7437 					   (params->phy[phy_index].media_type ==
7438 					    ELINK_ETH_PHY_DA_TWINAX));
7439 
7440 			if (is_serdes != serdes_phy_type)
7441 				continue;
7442 			if (params->phy[phy_index].read_status) {
7443 				ext_phy_link_up |=
7444 					params->phy[phy_index].read_status(
7445 						&params->phy[phy_index],
7446 						params, &temp_vars);
7447 			}
7448 		}
7449 		break;
7450 	}
7451 	if (ext_phy_link_up)
7452 		return ELINK_STATUS_OK;
7453 	return ELINK_STATUS_NO_LINK;
7454 }
7455 
7456 static elink_status_t elink_link_initialize(struct elink_params *params,
7457 				 struct elink_vars *vars)
7458 {
7459 	uint8_t phy_index, non_ext_phy;
7460 	struct bnx2x_softc *sc = params->sc;
7461 	/* In case of external phy existence, the line speed would be the
7462 	 * line speed linked up by the external phy. In case it is direct
7463 	 * only, then the line_speed during initialization will be
7464 	 * equal to the req_line_speed
7465 	 */
7466 	vars->line_speed = params->phy[ELINK_INT_PHY].req_line_speed;
7467 
7468 	/* Initialize the internal phy in case this is a direct board
7469 	 * (no external phys), or this board has external phy which requires
7470 	 * to first.
7471 	 */
7472 	if (!USES_WARPCORE(sc))
7473 		elink_prepare_xgxs(&params->phy[ELINK_INT_PHY], params, vars);
7474 	/* init ext phy and enable link state int */
7475 	non_ext_phy = (ELINK_SINGLE_MEDIA_DIRECT(params) ||
7476 		       (params->loopback_mode == ELINK_LOOPBACK_XGXS));
7477 
7478 	if (non_ext_phy ||
7479 	    (params->phy[ELINK_EXT_PHY1].flags & ELINK_FLAGS_INIT_XGXS_FIRST) ||
7480 	    (params->loopback_mode == ELINK_LOOPBACK_EXT_PHY)) {
7481 		struct elink_phy *phy = &params->phy[ELINK_INT_PHY];
7482 		if (vars->line_speed == ELINK_SPEED_AUTO_NEG &&
7483 		    (CHIP_IS_E1x(sc) ||
7484 		     CHIP_IS_E2(sc)))
7485 			elink_set_parallel_detection(phy, params);
7486 		if (params->phy[ELINK_INT_PHY].config_init)
7487 			params->phy[ELINK_INT_PHY].config_init(phy, params,
7488 							       vars);
7489 	}
7490 
7491 	/* Re-read this value in case it was changed inside config_init due to
7492 	 * limitations of optic module
7493 	 */
7494 	vars->line_speed = params->phy[ELINK_INT_PHY].req_line_speed;
7495 
7496 	/* Init external phy*/
7497 	if (non_ext_phy) {
7498 		if (params->phy[ELINK_INT_PHY].supported &
7499 		    ELINK_SUPPORTED_FIBRE)
7500 			vars->link_status |= LINK_STATUS_SERDES_LINK;
7501 	} else {
7502 		for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
7503 		      phy_index++) {
7504 			/* No need to initialize second phy in case of first
7505 			 * phy only selection. In case of second phy, we do
7506 			 * need to initialize the first phy, since they are
7507 			 * connected.
7508 			 */
7509 			if (params->phy[phy_index].supported &
7510 			    ELINK_SUPPORTED_FIBRE)
7511 				vars->link_status |= LINK_STATUS_SERDES_LINK;
7512 
7513 			if (phy_index == ELINK_EXT_PHY2 &&
7514 			    (elink_phy_selection(params) ==
7515 			     PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
7516 				ELINK_DEBUG_P0(sc,
7517 				   "Not initializing second phy");
7518 				continue;
7519 			}
7520 			params->phy[phy_index].config_init(
7521 				&params->phy[phy_index],
7522 				params, vars);
7523 		}
7524 	}
7525 	/* Reset the interrupt indication after phy was initialized */
7526 	elink_bits_dis(sc, NIG_REG_STATUS_INTERRUPT_PORT0 +
7527 		       params->port * 4,
7528 		       (ELINK_NIG_STATUS_XGXS0_LINK10G |
7529 			ELINK_NIG_STATUS_XGXS0_LINK_STATUS |
7530 			ELINK_NIG_STATUS_SERDES0_LINK_STATUS |
7531 			ELINK_NIG_MASK_MI_INT));
7532 	return ELINK_STATUS_OK;
7533 }
7534 
7535 static void elink_int_link_reset(__rte_unused struct elink_phy *phy,
7536 				 struct elink_params *params)
7537 {
7538 	/* Reset the SerDes/XGXS */
7539 	REG_WR(params->sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
7540 	       (0x1ff << (params->port * 16)));
7541 }
7542 
7543 static void elink_common_ext_link_reset(__rte_unused struct elink_phy *phy,
7544 					struct elink_params *params)
7545 {
7546 	struct bnx2x_softc *sc = params->sc;
7547 	uint8_t gpio_port;
7548 	/* HW reset */
7549 	if (CHIP_IS_E2(sc))
7550 		gpio_port = SC_PATH(sc);
7551 	else
7552 		gpio_port = params->port;
7553 	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
7554 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
7555 		       gpio_port);
7556 	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
7557 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
7558 		       gpio_port);
7559 	ELINK_DEBUG_P0(sc, "reset external PHY");
7560 }
7561 
7562 static elink_status_t elink_update_link_down(struct elink_params *params,
7563 				  struct elink_vars *vars)
7564 {
7565 	struct bnx2x_softc *sc = params->sc;
7566 	uint8_t port = params->port;
7567 
7568 	ELINK_DEBUG_P1(sc, "Port %x: Link is down", port);
7569 	elink_set_led(params, vars, ELINK_LED_MODE_OFF, 0);
7570 	vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
7571 	/* Indicate no mac active */
7572 	vars->mac_type = ELINK_MAC_TYPE_NONE;
7573 
7574 	/* Update shared memory */
7575 	vars->link_status &= ~ELINK_LINK_UPDATE_MASK;
7576 	vars->line_speed = 0;
7577 	elink_update_mng(params, vars->link_status);
7578 
7579 	/* Activate nig drain */
7580 	REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + port * 4, 1);
7581 
7582 	/* Disable emac */
7583 	if (!CHIP_IS_E3(sc))
7584 		REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port * 4, 0);
7585 
7586 	DELAY(1000 * 10);
7587 	/* Reset BigMac/Xmac */
7588 	if (CHIP_IS_E1x(sc) ||
7589 	    CHIP_IS_E2(sc))
7590 		elink_set_bmac_rx(sc, params->chip_id, params->port, 0);
7591 
7592 	if (CHIP_IS_E3(sc)) {
7593 		/* Prevent LPI Generation by chip */
7594 		REG_WR(sc, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
7595 		       0);
7596 		REG_WR(sc, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
7597 		       0);
7598 		vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
7599 				      SHMEM_EEE_ACTIVE_BIT);
7600 
7601 		elink_update_mng_eee(params, vars->eee_status);
7602 		elink_set_xmac_rxtx(params, 0);
7603 		elink_set_umac_rxtx(params, 0);
7604 	}
7605 
7606 	return ELINK_STATUS_OK;
7607 }
7608 
7609 static elink_status_t elink_update_link_up(struct elink_params *params,
7610 				struct elink_vars *vars,
7611 				uint8_t link_10g)
7612 {
7613 	struct bnx2x_softc *sc = params->sc;
7614 	uint8_t phy_idx, port = params->port;
7615 	elink_status_t rc = ELINK_STATUS_OK;
7616 
7617 	vars->link_status |= (LINK_STATUS_LINK_UP |
7618 			      LINK_STATUS_PHYSICAL_LINK_FLAG);
7619 	vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
7620 
7621 	if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)
7622 		vars->link_status |=
7623 			LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
7624 
7625 	if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX)
7626 		vars->link_status |=
7627 			LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
7628 	if (USES_WARPCORE(sc)) {
7629 		if (link_10g) {
7630 			if (elink_xmac_enable(params, vars, 0) ==
7631 			    ELINK_STATUS_NO_LINK) {
7632 				ELINK_DEBUG_P0(sc, "Found errors on XMAC");
7633 				vars->link_up = 0;
7634 				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
7635 				vars->link_status &= ~LINK_STATUS_LINK_UP;
7636 			}
7637 		} else
7638 			elink_umac_enable(params, vars, 0);
7639 		elink_set_led(params, vars,
7640 			      ELINK_LED_MODE_OPER, vars->line_speed);
7641 
7642 		if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
7643 		    (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
7644 			ELINK_DEBUG_P0(sc, "Enabling LPI assertion");
7645 			REG_WR(sc, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
7646 			       (params->port << 2), 1);
7647 			REG_WR(sc, MISC_REG_CPMU_LP_DR_ENABLE, 1);
7648 			REG_WR(sc, MISC_REG_CPMU_LP_MASK_ENT_P0 +
7649 			       (params->port << 2), 0xfc20);
7650 		}
7651 	}
7652 	if ((CHIP_IS_E1x(sc) ||
7653 	     CHIP_IS_E2(sc))) {
7654 		if (link_10g) {
7655 			if (elink_bmac_enable(params, vars, 0, 1) ==
7656 			    ELINK_STATUS_NO_LINK) {
7657 				ELINK_DEBUG_P0(sc, "Found errors on BMAC");
7658 				vars->link_up = 0;
7659 				vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
7660 				vars->link_status &= ~LINK_STATUS_LINK_UP;
7661 			}
7662 
7663 			elink_set_led(params, vars,
7664 				      ELINK_LED_MODE_OPER, ELINK_SPEED_10000);
7665 		} else {
7666 			rc = elink_emac_program(params, vars);
7667 			elink_emac_enable(params, vars, 0);
7668 
7669 			/* AN complete? */
7670 			if ((vars->link_status &
7671 			     LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
7672 			    && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
7673 			    ELINK_SINGLE_MEDIA_DIRECT(params))
7674 				elink_set_gmii_tx_driver(params);
7675 		}
7676 	}
7677 
7678 	/* PBF - link up */
7679 	if (CHIP_IS_E1x(sc))
7680 		rc |= elink_pbf_update(params, vars->flow_ctrl,
7681 				       vars->line_speed);
7682 
7683 	/* Disable drain */
7684 	REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + port * 4, 0);
7685 
7686 	/* Update shared memory */
7687 	elink_update_mng(params, vars->link_status);
7688 	elink_update_mng_eee(params, vars->eee_status);
7689 	/* Check remote fault */
7690 	for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
7691 		if (params->phy[phy_idx].flags & ELINK_FLAGS_TX_ERROR_CHECK) {
7692 			elink_check_half_open_conn(params, vars, 0);
7693 			break;
7694 		}
7695 	}
7696 	DELAY(1000 * 20);
7697 	return rc;
7698 }
7699 
7700 static void elink_chng_link_count(struct elink_params *params, uint8_t clear)
7701 {
7702 	struct bnx2x_softc *sc = params->sc;
7703 	uint32_t addr, val;
7704 
7705 	/* Verify the link_change_count is supported by the MFW */
7706 	if (!(SHMEM2_HAS(sc, link_change_count)))
7707 		return;
7708 
7709 	addr = params->shmem2_base +
7710 		offsetof(struct shmem2_region, link_change_count[params->port]);
7711 	if (clear)
7712 		val = 0;
7713 	else
7714 		val = REG_RD(sc, addr) + 1;
7715 	REG_WR(sc, addr, val);
7716 }
7717 
7718 /* The elink_link_update function should be called upon link
7719  * interrupt.
7720  * Link is considered up as follows:
7721  * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
7722  *   to be up
7723  * - SINGLE_MEDIA - The link between the 577xx and the external
7724  *   phy (XGXS) need to up as well as the external link of the
7725  *   phy (PHY_EXT1)
7726  * - DUAL_MEDIA - The link between the 577xx and the first
7727  *   external phy needs to be up, and at least one of the 2
7728  *   external phy link must be up.
7729  */
7730 elink_status_t elink_link_update(struct elink_params *params,
7731 				 struct elink_vars *vars)
7732 {
7733 	struct bnx2x_softc *sc = params->sc;
7734 	struct elink_vars phy_vars[ELINK_MAX_PHYS];
7735 	uint8_t port = params->port;
7736 	uint8_t link_10g_plus, phy_index;
7737 	uint32_t prev_link_status = vars->link_status;
7738 	uint8_t ext_phy_link_up = 0, cur_link_up;
7739 	elink_status_t rc = ELINK_STATUS_OK;
7740 	uint16_t ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
7741 	uint8_t active_external_phy = ELINK_INT_PHY;
7742 	vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
7743 	vars->link_status &= ~ELINK_LINK_UPDATE_MASK;
7744 	for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys;
7745 	      phy_index++) {
7746 		phy_vars[phy_index].flow_ctrl = 0;
7747 		phy_vars[phy_index].link_status = 0;
7748 		phy_vars[phy_index].line_speed = 0;
7749 		phy_vars[phy_index].duplex = DUPLEX_FULL;
7750 		phy_vars[phy_index].phy_link_up = 0;
7751 		phy_vars[phy_index].link_up = 0;
7752 		phy_vars[phy_index].fault_detected = 0;
7753 		/* different consideration, since vars holds inner state */
7754 		phy_vars[phy_index].eee_status = vars->eee_status;
7755 	}
7756 
7757 	if (USES_WARPCORE(sc))
7758 		elink_set_aer_mmd(params, &params->phy[ELINK_INT_PHY]);
7759 
7760 	ELINK_DEBUG_P3(sc, "port %x, XGXS?%x, int_status 0x%x",
7761 		 port, (vars->phy_flags & PHY_XGXS_FLAG),
7762 		 REG_RD(sc, NIG_REG_STATUS_INTERRUPT_PORT0 + port * 4));
7763 
7764 	ELINK_DEBUG_P3(sc, "int_mask 0x%x MI_INT %x, SERDES_LINK %x",
7765 		 REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 + port * 4),
7766 		 REG_RD(sc, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port * 0x18) > 0,
7767 		 REG_RD(sc, NIG_REG_SERDES0_STATUS_LINK_STATUS + port * 0x3c));
7768 
7769 	ELINK_DEBUG_P2(sc, " 10G %x, XGXS_LINK %x",
7770 	  REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK10G + port * 0x68),
7771 	  REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK_STATUS + port * 0x68));
7772 
7773 	/* Disable emac */
7774 	if (!CHIP_IS_E3(sc))
7775 		REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port * 4, 0);
7776 
7777 	/* Step 1:
7778 	 * Check external link change only for external phys, and apply
7779 	 * priority selection between them in case the link on both phys
7780 	 * is up. Note that instead of the common vars, a temporary
7781 	 * vars argument is used since each phy may have different link/
7782 	 * speed/duplex result
7783 	 */
7784 	for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
7785 	      phy_index++) {
7786 		struct elink_phy *phy = &params->phy[phy_index];
7787 		if (!phy->read_status)
7788 			continue;
7789 		/* Read link status and params of this ext phy */
7790 		cur_link_up = phy->read_status(phy, params,
7791 					       &phy_vars[phy_index]);
7792 		if (cur_link_up) {
7793 			ELINK_DEBUG_P1(sc, "phy in index %d link is up",
7794 				   phy_index);
7795 		} else {
7796 			ELINK_DEBUG_P1(sc, "phy in index %d link is down",
7797 				   phy_index);
7798 			continue;
7799 		}
7800 
7801 		if (!ext_phy_link_up) {
7802 			ext_phy_link_up = 1;
7803 			active_external_phy = phy_index;
7804 		} else {
7805 			switch (elink_phy_selection(params)) {
7806 			case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
7807 			case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
7808 			/* In this option, the first PHY makes sure to pass the
7809 			 * traffic through itself only.
7810 			 * Its not clear how to reset the link on the second phy
7811 			 */
7812 				active_external_phy = ELINK_EXT_PHY1;
7813 				break;
7814 			case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
7815 			/* In this option, the first PHY makes sure to pass the
7816 			 * traffic through the second PHY.
7817 			 */
7818 				active_external_phy = ELINK_EXT_PHY2;
7819 				break;
7820 			default:
7821 			/* Link indication on both PHYs with the following cases
7822 			 * is invalid:
7823 			 * - FIRST_PHY means that second phy wasn't initialized,
7824 			 * hence its link is expected to be down
7825 			 * - SECOND_PHY means that first phy should not be able
7826 			 * to link up by itself (using configuration)
7827 			 * - DEFAULT should be overridden during initialiazation
7828 			 */
7829 				ELINK_DEBUG_P1(sc, "Invalid link indication"
7830 					       " mpc=0x%x. DISABLING LINK !!!",
7831 					   params->multi_phy_config);
7832 				ext_phy_link_up = 0;
7833 				break;
7834 			}
7835 		}
7836 	}
7837 	prev_line_speed = vars->line_speed;
7838 	/* Step 2:
7839 	 * Read the status of the internal phy. In case of
7840 	 * DIRECT_SINGLE_MEDIA board, this link is the external link,
7841 	 * otherwise this is the link between the 577xx and the first
7842 	 * external phy
7843 	 */
7844 	if (params->phy[ELINK_INT_PHY].read_status)
7845 		params->phy[ELINK_INT_PHY].read_status(
7846 			&params->phy[ELINK_INT_PHY],
7847 			params, vars);
7848 	/* The INT_PHY flow control reside in the vars. This include the
7849 	 * case where the speed or flow control are not set to AUTO.
7850 	 * Otherwise, the active external phy flow control result is set
7851 	 * to the vars. The ext_phy_line_speed is needed to check if the
7852 	 * speed is different between the internal phy and external phy.
7853 	 * This case may be result of intermediate link speed change.
7854 	 */
7855 	if (active_external_phy > ELINK_INT_PHY) {
7856 		vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
7857 		/* Link speed is taken from the XGXS. AN and FC result from
7858 		 * the external phy.
7859 		 */
7860 		vars->link_status |= phy_vars[active_external_phy].link_status;
7861 
7862 		/* if active_external_phy is first PHY and link is up - disable
7863 		 * disable TX on second external PHY
7864 		 */
7865 		if (active_external_phy == ELINK_EXT_PHY1) {
7866 			if (params->phy[ELINK_EXT_PHY2].phy_specific_func) {
7867 				ELINK_DEBUG_P0(sc,
7868 				   "Disabling TX on EXT_PHY2");
7869 				params->phy[ELINK_EXT_PHY2].phy_specific_func(
7870 					&params->phy[ELINK_EXT_PHY2],
7871 					params, ELINK_DISABLE_TX);
7872 			}
7873 		}
7874 
7875 		ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
7876 		vars->duplex = phy_vars[active_external_phy].duplex;
7877 		if (params->phy[active_external_phy].supported &
7878 		    ELINK_SUPPORTED_FIBRE)
7879 			vars->link_status |= LINK_STATUS_SERDES_LINK;
7880 		else
7881 			vars->link_status &= ~LINK_STATUS_SERDES_LINK;
7882 
7883 		vars->eee_status = phy_vars[active_external_phy].eee_status;
7884 
7885 		ELINK_DEBUG_P1(sc, "Active external phy selected: %x",
7886 			   active_external_phy);
7887 	}
7888 
7889 	ELINK_DEBUG_P3(sc, "vars : phy_flags = %x, mac_type = %x, phy_link_up = %x",
7890 		       vars->phy_flags, vars->mac_type, vars->phy_link_up);
7891 	ELINK_DEBUG_P3(sc, "vars : link_up = %x, line_speed = %x, duplex = %x",
7892 		       vars->link_up, vars->line_speed, vars->duplex);
7893 	ELINK_DEBUG_P3(sc, "vars : flow_ctrl = %x, ieee_fc = %x, link_status = %x",
7894 		       vars->flow_ctrl, vars->ieee_fc, vars->link_status);
7895 	ELINK_DEBUG_P3(sc, "vars : eee_status = %x, fault_detected = %x, check_kr2_recovery_cnt = %x",
7896 		       vars->eee_status, vars->fault_detected,
7897 		       vars->check_kr2_recovery_cnt);
7898 	ELINK_DEBUG_P3(sc, "vars : periodic_flags = %x, aeu_int_mask = %x, rx_tx_asic_rst = %x",
7899 		       vars->periodic_flags, vars->aeu_int_mask,
7900 		       vars->rx_tx_asic_rst);
7901 	ELINK_DEBUG_P2(sc, "vars : turn_to_run_wc_rt = %x, rsrv2 = %x",
7902 		       vars->turn_to_run_wc_rt, vars->rsrv2);
7903 
7904 	for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
7905 	      phy_index++) {
7906 		if (params->phy[phy_index].flags &
7907 		    ELINK_FLAGS_REARM_LATCH_SIGNAL) {
7908 			elink_rearm_latch_signal(sc, port,
7909 						 phy_index ==
7910 						 active_external_phy);
7911 			break;
7912 		}
7913 	}
7914 	ELINK_DEBUG_P3(sc, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
7915 		   " ext_phy_line_speed = %d", vars->flow_ctrl,
7916 		   vars->link_status, ext_phy_line_speed);
7917 	/* Upon link speed change set the NIG into drain mode. Comes to
7918 	 * deals with possible FIFO glitch due to clk change when speed
7919 	 * is decreased without link down indicator
7920 	 */
7921 
7922 	if (vars->phy_link_up) {
7923 		if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
7924 		    (ext_phy_line_speed != vars->line_speed)) {
7925 			ELINK_DEBUG_P2(sc, "Internal link speed %d is"
7926 				   " different than the external"
7927 				   " link speed %d", vars->line_speed,
7928 				   ext_phy_line_speed);
7929 			vars->phy_link_up = 0;
7930 			ELINK_DEBUG_P0(sc, "phy_link_up set to 0");
7931 		} else if (prev_line_speed != vars->line_speed) {
7932 			REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE +
7933 			       params->port * 4, 0);
7934 			DELAY(1000 * 1);
7935 		}
7936 	}
7937 
7938 	/* Anything 10 and over uses the bmac */
7939 	link_10g_plus = (vars->line_speed >= ELINK_SPEED_10000);
7940 
7941 	elink_link_int_ack(params, vars, link_10g_plus);
7942 
7943 	/* In case external phy link is up, and internal link is down
7944 	 * (not initialized yet probably after link initialization, it
7945 	 * needs to be initialized.
7946 	 * Note that after link down-up as result of cable plug, the xgxs
7947 	 * link would probably become up again without the need
7948 	 * initialize it
7949 	 */
7950 	if (!(ELINK_SINGLE_MEDIA_DIRECT(params))) {
7951 		ELINK_DEBUG_P3(sc, "ext_phy_link_up = %d, int_link_up = %d,"
7952 			   " init_preceding = %d", ext_phy_link_up,
7953 			   vars->phy_link_up,
7954 			   params->phy[ELINK_EXT_PHY1].flags &
7955 			   ELINK_FLAGS_INIT_XGXS_FIRST);
7956 		if (!(params->phy[ELINK_EXT_PHY1].flags &
7957 		      ELINK_FLAGS_INIT_XGXS_FIRST)
7958 		    && ext_phy_link_up && !vars->phy_link_up) {
7959 			vars->line_speed = ext_phy_line_speed;
7960 			if (vars->line_speed < ELINK_SPEED_1000)
7961 				vars->phy_flags |= PHY_SGMII_FLAG;
7962 			else
7963 				vars->phy_flags &= ~PHY_SGMII_FLAG;
7964 
7965 			if (params->phy[ELINK_INT_PHY].config_init)
7966 				params->phy[ELINK_INT_PHY].config_init(
7967 					&params->phy[ELINK_INT_PHY], params,
7968 						vars);
7969 		}
7970 	}
7971 	/* Link is up only if both local phy and external phy (in case of
7972 	 * non-direct board) are up and no fault detected on active PHY.
7973 	 */
7974 	vars->link_up = (vars->phy_link_up &&
7975 			 (ext_phy_link_up ||
7976 			  ELINK_SINGLE_MEDIA_DIRECT(params)) &&
7977 			 (phy_vars[active_external_phy].fault_detected == 0));
7978 
7979 	if (vars->link_up)
7980 		ELINK_DEBUG_P0(sc, "local phy and external phy are up");
7981 	else
7982 		ELINK_DEBUG_P0(sc, "either local phy or external phy or both are down");
7983 
7984 	/* Update the PFC configuration in case it was changed */
7985 	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
7986 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
7987 	else
7988 		vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
7989 
7990 	if (vars->link_up)
7991 		rc = elink_update_link_up(params, vars, link_10g_plus);
7992 	else
7993 		rc = elink_update_link_down(params, vars);
7994 
7995 	if ((prev_link_status ^ vars->link_status) & LINK_STATUS_LINK_UP)
7996 		elink_chng_link_count(params, 0);
7997 
7998 	/* Update MCP link status was changed */
7999 	if (params->feature_config_flags &
8000 	    ELINK_FEATURE_CONFIG_BC_SUPPORTS_AFEX)
8001 		elink_cb_fw_command(sc, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
8002 
8003 	return rc;
8004 }
8005 
8006 /*****************************************************************************/
8007 /*			    External Phy section			     */
8008 /*****************************************************************************/
8009 void elink_ext_phy_hw_reset(struct bnx2x_softc *sc, uint8_t port)
8010 {
8011 	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
8012 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
8013 	DELAY(1000 * 1);
8014 	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
8015 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
8016 }
8017 
8018 static void elink_save_spirom_version(struct bnx2x_softc *sc, uint8_t port,
8019 				      uint32_t spirom_ver, uint32_t ver_addr)
8020 {
8021 	ELINK_DEBUG_P3(sc, "FW version 0x%x:0x%x for port %d",
8022 		 (uint16_t)(spirom_ver >> 16), (uint16_t)spirom_ver, port);
8023 
8024 	if (ver_addr)
8025 		REG_WR(sc, ver_addr, spirom_ver);
8026 }
8027 
8028 static void elink_save_bnx2x_spirom_ver(struct bnx2x_softc *sc,
8029 				      struct elink_phy *phy,
8030 				      uint8_t port)
8031 {
8032 	uint16_t fw_ver1, fw_ver2;
8033 
8034 	elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
8035 			MDIO_PMA_REG_ROM_VER1, &fw_ver1);
8036 	elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
8037 			MDIO_PMA_REG_ROM_VER2, &fw_ver2);
8038 	elink_save_spirom_version(sc, port, (uint32_t)(fw_ver1 << 16 | fw_ver2),
8039 				  phy->ver_addr);
8040 }
8041 
8042 static void elink_ext_phy_10G_an_resolve(struct bnx2x_softc *sc,
8043 				       struct elink_phy *phy,
8044 				       struct elink_vars *vars)
8045 {
8046 	uint16_t val;
8047 	elink_cl45_read(sc, phy,
8048 			MDIO_AN_DEVAD,
8049 			MDIO_AN_REG_STATUS, &val);
8050 	elink_cl45_read(sc, phy,
8051 			MDIO_AN_DEVAD,
8052 			MDIO_AN_REG_STATUS, &val);
8053 	if (val & (1 << 5))
8054 		vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
8055 	if ((val & (1 << 0)) == 0)
8056 		vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
8057 }
8058 
8059 /******************************************************************/
8060 /*		common BNX2X8073/BNX2X8727 PHY SECTION		  */
8061 /******************************************************************/
8062 static void elink_8073_resolve_fc(struct elink_phy *phy,
8063 				  struct elink_params *params,
8064 				  struct elink_vars *vars)
8065 {
8066 	struct bnx2x_softc *sc = params->sc;
8067 	if (phy->req_line_speed == ELINK_SPEED_10 ||
8068 	    phy->req_line_speed == ELINK_SPEED_100) {
8069 		vars->flow_ctrl = phy->req_flow_ctrl;
8070 		return;
8071 	}
8072 
8073 	if (elink_ext_phy_resolve_fc(phy, params, vars) &&
8074 	    (vars->flow_ctrl == ELINK_FLOW_CTRL_NONE)) {
8075 		uint16_t pause_result;
8076 		uint16_t ld_pause;		/* local */
8077 		uint16_t lp_pause;		/* link partner */
8078 		elink_cl45_read(sc, phy,
8079 				MDIO_AN_DEVAD,
8080 				MDIO_AN_REG_CL37_FC_LD, &ld_pause);
8081 
8082 		elink_cl45_read(sc, phy,
8083 				MDIO_AN_DEVAD,
8084 				MDIO_AN_REG_CL37_FC_LP, &lp_pause);
8085 		pause_result = (ld_pause &
8086 				MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
8087 		pause_result |= (lp_pause &
8088 				 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
8089 
8090 		elink_pause_resolve(phy, params, vars, pause_result);
8091 		ELINK_DEBUG_P1(sc, "Ext PHY CL37 pause result 0x%x",
8092 			   pause_result);
8093 	}
8094 }
8095 static elink_status_t elink_8073_8727_external_rom_boot(struct bnx2x_softc *sc,
8096 					     struct elink_phy *phy,
8097 					     uint8_t port)
8098 {
8099 	uint32_t count = 0;
8100 	uint16_t fw_ver1 = 0, fw_msgout;
8101 	elink_status_t rc = ELINK_STATUS_OK;
8102 
8103 	/* Boot port from external ROM  */
8104 	/* EDC grst */
8105 	elink_cl45_write(sc, phy,
8106 			 MDIO_PMA_DEVAD,
8107 			 MDIO_PMA_REG_GEN_CTRL,
8108 			 0x0001);
8109 
8110 	/* Ucode reboot and rst */
8111 	elink_cl45_write(sc, phy,
8112 			 MDIO_PMA_DEVAD,
8113 			 MDIO_PMA_REG_GEN_CTRL,
8114 			 0x008c);
8115 
8116 	elink_cl45_write(sc, phy,
8117 			 MDIO_PMA_DEVAD,
8118 			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
8119 
8120 	/* Reset internal microprocessor */
8121 	elink_cl45_write(sc, phy,
8122 			 MDIO_PMA_DEVAD,
8123 			 MDIO_PMA_REG_GEN_CTRL,
8124 			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
8125 
8126 	/* Release srst bit */
8127 	elink_cl45_write(sc, phy,
8128 			 MDIO_PMA_DEVAD,
8129 			 MDIO_PMA_REG_GEN_CTRL,
8130 			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
8131 
8132 	/* Delay 100ms per the PHY specifications */
8133 	DELAY(1000 * 100);
8134 
8135 	/* 8073 sometimes taking longer to download */
8136 	do {
8137 		count++;
8138 		if (count > 300) {
8139 			ELINK_DEBUG_P2(sc,
8140 				 "elink_8073_8727_external_rom_boot port %x:"
8141 				 "Download failed. fw version = 0x%x",
8142 				 port, fw_ver1);
8143 			rc = ELINK_STATUS_ERROR;
8144 			break;
8145 		}
8146 
8147 		elink_cl45_read(sc, phy,
8148 				MDIO_PMA_DEVAD,
8149 				MDIO_PMA_REG_ROM_VER1, &fw_ver1);
8150 		elink_cl45_read(sc, phy,
8151 				MDIO_PMA_DEVAD,
8152 				MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
8153 
8154 		DELAY(1000 * 1);
8155 	} while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
8156 			((fw_msgout & 0xff) != 0x03 && (phy->type ==
8157 			PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8073)));
8158 
8159 	/* Clear ser_boot_ctl bit */
8160 	elink_cl45_write(sc, phy,
8161 			 MDIO_PMA_DEVAD,
8162 			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
8163 	elink_save_bnx2x_spirom_ver(sc, phy, port);
8164 
8165 	ELINK_DEBUG_P2(sc,
8166 		 "elink_8073_8727_external_rom_boot port %x:"
8167 		 "Download complete. fw version = 0x%x",
8168 		 port, fw_ver1);
8169 
8170 	return rc;
8171 }
8172 
8173 /******************************************************************/
8174 /*			BNX2X8073 PHY SECTION			  */
8175 /******************************************************************/
8176 static elink_status_t elink_8073_is_snr_needed(struct bnx2x_softc *sc,
8177 					       struct elink_phy *phy)
8178 {
8179 	/* This is only required for 8073A1, version 102 only */
8180 	uint16_t val;
8181 
8182 	/* Read 8073 HW revision*/
8183 	elink_cl45_read(sc, phy,
8184 			MDIO_PMA_DEVAD,
8185 			MDIO_PMA_REG_8073_CHIP_REV, &val);
8186 
8187 	if (val != 1) {
8188 		/* No need to workaround in 8073 A1 */
8189 		return ELINK_STATUS_OK;
8190 	}
8191 
8192 	elink_cl45_read(sc, phy,
8193 			MDIO_PMA_DEVAD,
8194 			MDIO_PMA_REG_ROM_VER2, &val);
8195 
8196 	/* SNR should be applied only for version 0x102 */
8197 	if (val != 0x102)
8198 		return ELINK_STATUS_OK;
8199 
8200 	return 1;
8201 }
8202 
8203 static elink_status_t elink_8073_xaui_wa(struct bnx2x_softc *sc,
8204 					 struct elink_phy *phy)
8205 {
8206 	uint16_t val, cnt, cnt1;
8207 
8208 	elink_cl45_read(sc, phy,
8209 			MDIO_PMA_DEVAD,
8210 			MDIO_PMA_REG_8073_CHIP_REV, &val);
8211 
8212 	if (val > 0) {
8213 		/* No need to workaround in 8073 A1 */
8214 		return ELINK_STATUS_OK;
8215 	}
8216 	/* XAUI workaround in 8073 A0: */
8217 
8218 	/* After loading the boot ROM and restarting Autoneg, poll
8219 	 * Dev1, Reg $C820:
8220 	 */
8221 
8222 	for (cnt = 0; cnt < 1000; cnt++) {
8223 		elink_cl45_read(sc, phy,
8224 				MDIO_PMA_DEVAD,
8225 				MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
8226 				&val);
8227 		  /* If bit [14] = 0 or bit [13] = 0, continue on with
8228 		   * system initialization (XAUI work-around not required, as
8229 		   * these bits indicate 2.5G or 1G link up).
8230 		   */
8231 		if (!(val & (1 << 14)) || !(val & (1 << 13))) {
8232 			ELINK_DEBUG_P0(sc, "XAUI work-around not required");
8233 			return ELINK_STATUS_OK;
8234 		} else if (!(val & (1 << 15))) {
8235 			ELINK_DEBUG_P0(sc, "bit 15 went off");
8236 			/* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
8237 			 * MSB (bit15) goes to 1 (indicating that the XAUI
8238 			 * workaround has completed), then continue on with
8239 			 * system initialization.
8240 			 */
8241 			for (cnt1 = 0; cnt1 < 1000; cnt1++) {
8242 				elink_cl45_read(sc, phy,
8243 					MDIO_PMA_DEVAD,
8244 					MDIO_PMA_REG_8073_XAUI_WA, &val);
8245 				if (val & (1 << 15)) {
8246 					ELINK_DEBUG_P0(sc,
8247 					  "XAUI workaround has completed");
8248 					return ELINK_STATUS_OK;
8249 				}
8250 				DELAY(1000 * 3);
8251 			}
8252 			break;
8253 		}
8254 		DELAY(1000 * 3);
8255 	}
8256 	ELINK_DEBUG_P0(sc, "Warning: XAUI work-around timeout !!!");
8257 	return ELINK_STATUS_ERROR;
8258 }
8259 
8260 static void elink_807x_force_10G(struct bnx2x_softc *sc, struct elink_phy *phy)
8261 {
8262 	/* Force KR or KX */
8263 	elink_cl45_write(sc, phy,
8264 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
8265 	elink_cl45_write(sc, phy,
8266 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
8267 	elink_cl45_write(sc, phy,
8268 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
8269 	elink_cl45_write(sc, phy,
8270 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
8271 }
8272 
8273 static void elink_8073_set_pause_cl37(struct elink_params *params,
8274 				      struct elink_phy *phy,
8275 				      struct elink_vars *vars)
8276 {
8277 	uint16_t cl37_val;
8278 	struct bnx2x_softc *sc = params->sc;
8279 	elink_cl45_read(sc, phy,
8280 			MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
8281 
8282 	cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
8283 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
8284 	elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
8285 	if ((vars->ieee_fc &
8286 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
8287 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
8288 		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
8289 	}
8290 	if ((vars->ieee_fc &
8291 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
8292 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
8293 		cl37_val |=  MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
8294 	}
8295 	if ((vars->ieee_fc &
8296 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
8297 	    MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
8298 		cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
8299 	}
8300 	ELINK_DEBUG_P1(sc,
8301 		 "Ext phy AN advertize cl37 0x%x", cl37_val);
8302 
8303 	elink_cl45_write(sc, phy,
8304 			 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
8305 	DELAY(1000 * 500);
8306 }
8307 
8308 static void elink_8073_specific_func(struct elink_phy *phy,
8309 				     struct elink_params *params,
8310 				     uint32_t action)
8311 {
8312 	struct bnx2x_softc *sc = params->sc;
8313 	switch (action) {
8314 	case ELINK_PHY_INIT:
8315 		/* Enable LASI */
8316 		elink_cl45_write(sc, phy,
8317 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8318 				 (1 << 2));
8319 		elink_cl45_write(sc, phy,
8320 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,  0x0004);
8321 		break;
8322 	}
8323 }
8324 
8325 static uint8_t elink_8073_config_init(struct elink_phy *phy,
8326 				  struct elink_params *params,
8327 				  struct elink_vars *vars)
8328 {
8329 	struct bnx2x_softc *sc = params->sc;
8330 	uint16_t val = 0, tmp1;
8331 	uint8_t gpio_port;
8332 	ELINK_DEBUG_P0(sc, "Init 8073");
8333 
8334 	if (CHIP_IS_E2(sc))
8335 		gpio_port = SC_PATH(sc);
8336 	else
8337 		gpio_port = params->port;
8338 	/* Restore normal power mode*/
8339 	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
8340 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
8341 
8342 	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
8343 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
8344 
8345 	elink_8073_specific_func(phy, params, ELINK_PHY_INIT);
8346 	elink_8073_set_pause_cl37(params, phy, vars);
8347 
8348 	elink_cl45_read(sc, phy,
8349 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
8350 
8351 	elink_cl45_read(sc, phy,
8352 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
8353 
8354 	ELINK_DEBUG_P1(sc, "Before rom RX_ALARM(port1): 0x%x", tmp1);
8355 
8356 	/* Swap polarity if required - Must be done only in non-1G mode */
8357 	if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
8358 		/* Configure the 8073 to swap _P and _N of the KR lines */
8359 		ELINK_DEBUG_P0(sc, "Swapping polarity for the 8073");
8360 		/* 10G Rx/Tx and 1G Tx signal polarity swap */
8361 		elink_cl45_read(sc, phy,
8362 				MDIO_PMA_DEVAD,
8363 				MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
8364 		elink_cl45_write(sc, phy,
8365 				 MDIO_PMA_DEVAD,
8366 				 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
8367 				 (val | (3 << 9)));
8368 	}
8369 
8370 
8371 	/* Enable CL37 BAM */
8372 	if (REG_RD(sc, params->shmem_base +
8373 			 offsetof(struct shmem_region, dev_info.
8374 				  port_hw_config[params->port].default_cfg)) &
8375 	    PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
8376 
8377 		elink_cl45_read(sc, phy,
8378 				MDIO_AN_DEVAD,
8379 				MDIO_AN_REG_8073_BAM, &val);
8380 		elink_cl45_write(sc, phy,
8381 				 MDIO_AN_DEVAD,
8382 				 MDIO_AN_REG_8073_BAM, val | 1);
8383 		ELINK_DEBUG_P0(sc, "Enable CL37 BAM on KR");
8384 	}
8385 	if (params->loopback_mode == ELINK_LOOPBACK_EXT) {
8386 		elink_807x_force_10G(sc, phy);
8387 		ELINK_DEBUG_P0(sc, "Forced speed 10G on 807X");
8388 		return ELINK_STATUS_OK;
8389 	} else {
8390 		elink_cl45_write(sc, phy,
8391 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
8392 	}
8393 	if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG) {
8394 		if (phy->req_line_speed == ELINK_SPEED_10000) {
8395 			val = (1 << 7);
8396 		} else if (phy->req_line_speed ==  ELINK_SPEED_2500) {
8397 			val = (1 << 5);
8398 			/* Note that 2.5G works only when used with 1G
8399 			 * advertisement
8400 			 */
8401 		} else
8402 			val = (1 << 5);
8403 	} else {
8404 		val = 0;
8405 		if (phy->speed_cap_mask &
8406 			PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
8407 			val |= (1 << 7);
8408 
8409 		/* Note that 2.5G works only when used with 1G advertisement */
8410 		if (phy->speed_cap_mask &
8411 			(PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
8412 			 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
8413 			val |= (1 << 5);
8414 		ELINK_DEBUG_P1(sc, "807x autoneg val = 0x%x", val);
8415 	}
8416 
8417 	elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
8418 	elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
8419 
8420 	if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
8421 	     (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)) ||
8422 	    (phy->req_line_speed == ELINK_SPEED_2500)) {
8423 		uint16_t phy_ver;
8424 		/* Allow 2.5G for A1 and above */
8425 		elink_cl45_read(sc, phy,
8426 				MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
8427 				&phy_ver);
8428 		ELINK_DEBUG_P0(sc, "Add 2.5G");
8429 		if (phy_ver > 0)
8430 			tmp1 |= 1;
8431 		else
8432 			tmp1 &= 0xfffe;
8433 	} else {
8434 		ELINK_DEBUG_P0(sc, "Disable 2.5G");
8435 		tmp1 &= 0xfffe;
8436 	}
8437 
8438 	elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
8439 	/* Add support for CL37 (passive mode) II */
8440 
8441 	elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
8442 	elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
8443 			 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
8444 				  0x20 : 0x40)));
8445 
8446 	/* Add support for CL37 (passive mode) III */
8447 	elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8448 
8449 	/* The SNR will improve about 2db by changing BW and FEE main
8450 	 * tap. Rest commands are executed after link is up
8451 	 * Change FFE main cursor to 5 in EDC register
8452 	 */
8453 	if (elink_8073_is_snr_needed(sc, phy))
8454 		elink_cl45_write(sc, phy,
8455 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
8456 				 0xFB0C);
8457 
8458 	/* Enable FEC (Forware Error Correction) Request in the AN */
8459 	elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
8460 	tmp1 |= (1 << 15);
8461 	elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
8462 
8463 	elink_ext_phy_set_pause(params, phy, vars);
8464 
8465 	/* Restart autoneg */
8466 	DELAY(1000 * 500);
8467 	elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8468 	ELINK_DEBUG_P2(sc, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x",
8469 		   ((val & (1 << 5)) > 0), ((val & (1 << 7)) > 0));
8470 	return ELINK_STATUS_OK;
8471 }
8472 
8473 static uint8_t elink_8073_read_status(struct elink_phy *phy,
8474 				 struct elink_params *params,
8475 				 struct elink_vars *vars)
8476 {
8477 	struct bnx2x_softc *sc = params->sc;
8478 	uint8_t link_up = 0;
8479 	uint16_t val1, val2;
8480 	uint16_t link_status = 0;
8481 	uint16_t an1000_status = 0;
8482 
8483 	elink_cl45_read(sc, phy,
8484 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
8485 
8486 	ELINK_DEBUG_P1(sc, "8703 LASI status 0x%x", val1);
8487 
8488 	/* Clear the interrupt LASI status register */
8489 	elink_cl45_read(sc, phy,
8490 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
8491 	elink_cl45_read(sc, phy,
8492 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
8493 	ELINK_DEBUG_P2(sc, "807x PCS status 0x%x->0x%x", val2, val1);
8494 	/* Clear MSG-OUT */
8495 	elink_cl45_read(sc, phy,
8496 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
8497 
8498 	/* Check the LASI */
8499 	elink_cl45_read(sc, phy,
8500 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8501 
8502 	ELINK_DEBUG_P1(sc, "KR 0x9003 0x%x", val2);
8503 
8504 	/* Check the link status */
8505 	elink_cl45_read(sc, phy,
8506 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
8507 	ELINK_DEBUG_P1(sc, "KR PCS status 0x%x", val2);
8508 
8509 	elink_cl45_read(sc, phy,
8510 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
8511 	elink_cl45_read(sc, phy,
8512 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
8513 	link_up = ((val1 & 4) == 4);
8514 	ELINK_DEBUG_P1(sc, "PMA_REG_STATUS=0x%x", val1);
8515 
8516 	if (link_up &&
8517 	     ((phy->req_line_speed != ELINK_SPEED_10000))) {
8518 		if (elink_8073_xaui_wa(sc, phy) != 0)
8519 			return 0;
8520 	}
8521 	elink_cl45_read(sc, phy,
8522 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
8523 	elink_cl45_read(sc, phy,
8524 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
8525 
8526 	/* Check the link status on 1.1.2 */
8527 	elink_cl45_read(sc, phy,
8528 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
8529 	elink_cl45_read(sc, phy,
8530 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
8531 	ELINK_DEBUG_P3(sc, "KR PMA status 0x%x->0x%x,"
8532 		   "an_link_status=0x%x", val2, val1, an1000_status);
8533 
8534 	link_up = (((val1 & 4) == 4) || (an1000_status & (1 << 1)));
8535 	if (link_up && elink_8073_is_snr_needed(sc, phy)) {
8536 		/* The SNR will improve about 2dbby changing the BW and FEE main
8537 		 * tap. The 1st write to change FFE main tap is set before
8538 		 * restart AN. Change PLL Bandwidth in EDC register
8539 		 */
8540 		elink_cl45_write(sc, phy,
8541 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
8542 				 0x26BC);
8543 
8544 		/* Change CDR Bandwidth in EDC register */
8545 		elink_cl45_write(sc, phy,
8546 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
8547 				 0x0333);
8548 	}
8549 	elink_cl45_read(sc, phy,
8550 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
8551 			&link_status);
8552 
8553 	/* Bits 0..2 --> speed detected, bits 13..15--> link is down */
8554 	if ((link_status & (1 << 2)) && (!(link_status & (1 << 15)))) {
8555 		link_up = 1;
8556 		vars->line_speed = ELINK_SPEED_10000;
8557 		ELINK_DEBUG_P1(sc, "port %x: External link up in 10G",
8558 			   params->port);
8559 	} else if ((link_status & (1 << 1)) && (!(link_status & (1 << 14)))) {
8560 		link_up = 1;
8561 		vars->line_speed = ELINK_SPEED_2500;
8562 		ELINK_DEBUG_P1(sc, "port %x: External link up in 2.5G",
8563 			   params->port);
8564 	} else if ((link_status & (1 << 0)) && (!(link_status & (1 << 13)))) {
8565 		link_up = 1;
8566 		vars->line_speed = ELINK_SPEED_1000;
8567 		ELINK_DEBUG_P1(sc, "port %x: External link up in 1G",
8568 			   params->port);
8569 	} else {
8570 		link_up = 0;
8571 		ELINK_DEBUG_P1(sc, "port %x: External link is down",
8572 			   params->port);
8573 	}
8574 
8575 	if (link_up) {
8576 		/* Swap polarity if required */
8577 		if (params->lane_config &
8578 		    PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
8579 			/* Configure the 8073 to swap P and N of the KR lines */
8580 			elink_cl45_read(sc, phy,
8581 					MDIO_XS_DEVAD,
8582 					MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
8583 			/* Set bit 3 to invert Rx in 1G mode and clear this bit
8584 			 * when it`s in 10G mode.
8585 			 */
8586 			if (vars->line_speed == ELINK_SPEED_1000) {
8587 				ELINK_DEBUG_P0(sc, "Swapping 1G polarity for"
8588 					       " the 8073");
8589 				val1 |= (1 << 3);
8590 			} else
8591 				val1 &= ~(1 << 3);
8592 
8593 			elink_cl45_write(sc, phy,
8594 					 MDIO_XS_DEVAD,
8595 					 MDIO_XS_REG_8073_RX_CTRL_PCIE,
8596 					 val1);
8597 		}
8598 		elink_ext_phy_10G_an_resolve(sc, phy, vars);
8599 		elink_8073_resolve_fc(phy, params, vars);
8600 		vars->duplex = DUPLEX_FULL;
8601 	}
8602 
8603 	if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
8604 		elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
8605 				MDIO_AN_REG_LP_AUTO_NEG2, &val1);
8606 
8607 		if (val1 & (1 << 5))
8608 			vars->link_status |=
8609 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
8610 		if (val1 & (1 << 7))
8611 			vars->link_status |=
8612 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
8613 	}
8614 
8615 	return link_up;
8616 }
8617 
8618 static void elink_8073_link_reset(__rte_unused struct elink_phy *phy,
8619 				  struct elink_params *params)
8620 {
8621 	struct bnx2x_softc *sc = params->sc;
8622 	uint8_t gpio_port;
8623 	if (CHIP_IS_E2(sc))
8624 		gpio_port = SC_PATH(sc);
8625 	else
8626 		gpio_port = params->port;
8627 	ELINK_DEBUG_P1(sc, "Setting 8073 port %d into low power mode",
8628 	   gpio_port);
8629 	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
8630 		       MISC_REGISTERS_GPIO_OUTPUT_LOW,
8631 		       gpio_port);
8632 }
8633 
8634 /******************************************************************/
8635 /*			BNX2X8705 PHY SECTION			  */
8636 /******************************************************************/
8637 static uint8_t elink_8705_config_init(struct elink_phy *phy,
8638 				  struct elink_params *params,
8639 				  __rte_unused struct elink_vars *vars)
8640 {
8641 	struct bnx2x_softc *sc = params->sc;
8642 	ELINK_DEBUG_P0(sc, "init 8705");
8643 	/* Restore normal power mode*/
8644 	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
8645 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
8646 	/* HW reset */
8647 	elink_ext_phy_hw_reset(sc, params->port);
8648 	elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8649 	elink_wait_reset_complete(sc, phy, params);
8650 
8651 	elink_cl45_write(sc, phy,
8652 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
8653 	elink_cl45_write(sc, phy,
8654 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
8655 	elink_cl45_write(sc, phy,
8656 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
8657 	elink_cl45_write(sc, phy,
8658 			 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
8659 	/* BNX2X8705 doesn't have microcode, hence the 0 */
8660 	elink_save_spirom_version(sc, params->port, params->shmem_base, 0);
8661 	return ELINK_STATUS_OK;
8662 }
8663 
8664 static uint8_t elink_8705_read_status(struct elink_phy *phy,
8665 				 struct elink_params *params,
8666 				 struct elink_vars *vars)
8667 {
8668 	uint8_t link_up = 0;
8669 	uint16_t val1, rx_sd;
8670 	struct bnx2x_softc *sc = params->sc;
8671 	ELINK_DEBUG_P0(sc, "read status 8705");
8672 	elink_cl45_read(sc, phy,
8673 		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
8674 	ELINK_DEBUG_P1(sc, "8705 LASI status 0x%x", val1);
8675 
8676 	elink_cl45_read(sc, phy,
8677 		      MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
8678 	ELINK_DEBUG_P1(sc, "8705 LASI status 0x%x", val1);
8679 
8680 	elink_cl45_read(sc, phy,
8681 		      MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8682 
8683 	elink_cl45_read(sc, phy,
8684 		      MDIO_PMA_DEVAD, 0xc809, &val1);
8685 	elink_cl45_read(sc, phy,
8686 		      MDIO_PMA_DEVAD, 0xc809, &val1);
8687 
8688 	ELINK_DEBUG_P1(sc, "8705 1.c809 val=0x%x", val1);
8689 	link_up = ((rx_sd & 0x1) && (val1 & (1 << 9)) &&
8690 		   ((val1 & (1 << 8)) == 0));
8691 	if (link_up) {
8692 		vars->line_speed = ELINK_SPEED_10000;
8693 		elink_ext_phy_resolve_fc(phy, params, vars);
8694 	}
8695 	return link_up;
8696 }
8697 
8698 /******************************************************************/
8699 /*			SFP+ module Section			  */
8700 /******************************************************************/
8701 static void elink_set_disable_pmd_transmit(struct elink_params *params,
8702 					   struct elink_phy *phy,
8703 					   uint8_t pmd_dis)
8704 {
8705 	struct bnx2x_softc *sc = params->sc;
8706 	/* Disable transmitter only for bootcodes which can enable it afterwards
8707 	 * (for D3 link)
8708 	 */
8709 	if (pmd_dis) {
8710 		if (params->feature_config_flags &
8711 		     ELINK_FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED) {
8712 			ELINK_DEBUG_P0(sc, "Disabling PMD transmitter");
8713 		} else {
8714 			ELINK_DEBUG_P0(sc, "NOT disabling PMD transmitter");
8715 			return;
8716 		}
8717 	} else
8718 		ELINK_DEBUG_P0(sc, "Enabling PMD transmitter");
8719 	elink_cl45_write(sc, phy,
8720 			 MDIO_PMA_DEVAD,
8721 			 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
8722 }
8723 
8724 static uint8_t elink_get_gpio_port(struct elink_params *params)
8725 {
8726 	uint8_t gpio_port;
8727 	uint32_t swap_val, swap_override;
8728 	struct bnx2x_softc *sc = params->sc;
8729 	if (CHIP_IS_E2(sc))
8730 		gpio_port = SC_PATH(sc);
8731 	else
8732 		gpio_port = params->port;
8733 	swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
8734 	swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
8735 	return gpio_port ^ (swap_val && swap_override);
8736 }
8737 
8738 static void elink_sfp_e1e2_set_transmitter(struct elink_params *params,
8739 					   struct elink_phy *phy,
8740 					   uint8_t tx_en)
8741 {
8742 	uint16_t val;
8743 	uint8_t port = params->port;
8744 	struct bnx2x_softc *sc = params->sc;
8745 	uint32_t tx_en_mode;
8746 
8747 	/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
8748 	tx_en_mode = REG_RD(sc, params->shmem_base +
8749 			    offsetof(struct shmem_region,
8750 				     dev_info.port_hw_config[port].sfp_ctrl)) &
8751 		PORT_HW_CFG_TX_LASER_MASK;
8752 	ELINK_DEBUG_P3(sc, "Setting transmitter tx_en=%x for port %x "
8753 			   "mode = %x", tx_en, port, tx_en_mode);
8754 	switch (tx_en_mode) {
8755 	case PORT_HW_CFG_TX_LASER_MDIO:
8756 
8757 		elink_cl45_read(sc, phy,
8758 				MDIO_PMA_DEVAD,
8759 				MDIO_PMA_REG_PHY_IDENTIFIER,
8760 				&val);
8761 
8762 		if (tx_en)
8763 			val &= ~(1 << 15);
8764 		else
8765 			val |= (1 << 15);
8766 
8767 		elink_cl45_write(sc, phy,
8768 				 MDIO_PMA_DEVAD,
8769 				 MDIO_PMA_REG_PHY_IDENTIFIER,
8770 				 val);
8771 	break;
8772 	case PORT_HW_CFG_TX_LASER_GPIO0:
8773 	case PORT_HW_CFG_TX_LASER_GPIO1:
8774 	case PORT_HW_CFG_TX_LASER_GPIO2:
8775 	case PORT_HW_CFG_TX_LASER_GPIO3:
8776 	{
8777 		uint16_t gpio_pin;
8778 		uint8_t gpio_port, gpio_mode;
8779 		if (tx_en)
8780 			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
8781 		else
8782 			gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
8783 
8784 		gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
8785 		gpio_port = elink_get_gpio_port(params);
8786 		elink_cb_gpio_write(sc, gpio_pin, gpio_mode, gpio_port);
8787 		break;
8788 	}
8789 	default:
8790 		ELINK_DEBUG_P1(sc, "Invalid TX_LASER_MDIO 0x%x", tx_en_mode);
8791 		break;
8792 	}
8793 }
8794 
8795 static void elink_sfp_set_transmitter(struct elink_params *params,
8796 				      struct elink_phy *phy,
8797 				      uint8_t tx_en)
8798 {
8799 	struct bnx2x_softc *sc = params->sc;
8800 	ELINK_DEBUG_P1(sc, "Setting SFP+ transmitter to %d", tx_en);
8801 	if (CHIP_IS_E3(sc))
8802 		elink_sfp_e3_set_transmitter(params, phy, tx_en);
8803 	else
8804 		elink_sfp_e1e2_set_transmitter(params, phy, tx_en);
8805 }
8806 
8807 static elink_status_t elink_8726_read_sfp_module_eeprom(struct elink_phy *phy,
8808 			     struct elink_params *params,
8809 			     uint8_t dev_addr, uint16_t addr,
8810 			     uint8_t byte_cnt,
8811 			     uint8_t *o_buf, __rte_unused uint8_t is_init)
8812 {
8813 	struct bnx2x_softc *sc = params->sc;
8814 	uint16_t val = 0;
8815 	uint16_t i;
8816 	if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) {
8817 		ELINK_DEBUG_P0(sc,
8818 		   "Reading from eeprom is limited to 0xf");
8819 		return ELINK_STATUS_ERROR;
8820 	}
8821 	/* Set the read command byte count */
8822 	elink_cl45_write(sc, phy,
8823 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
8824 			 (byte_cnt | (dev_addr << 8)));
8825 
8826 	/* Set the read command address */
8827 	elink_cl45_write(sc, phy,
8828 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
8829 			 addr);
8830 
8831 	/* Activate read command */
8832 	elink_cl45_write(sc, phy,
8833 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8834 			 0x2c0f);
8835 
8836 	/* Wait up to 500us for command complete status */
8837 	for (i = 0; i < 100; i++) {
8838 		elink_cl45_read(sc, phy,
8839 				MDIO_PMA_DEVAD,
8840 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8841 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8842 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
8843 			break;
8844 		DELAY(5);
8845 	}
8846 
8847 	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
8848 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
8849 		ELINK_DEBUG_P1(sc,
8850 			 "Got bad status 0x%x when reading from SFP+ EEPROM",
8851 			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
8852 		return ELINK_STATUS_ERROR;
8853 	}
8854 
8855 	/* Read the buffer */
8856 	for (i = 0; i < byte_cnt; i++) {
8857 		elink_cl45_read(sc, phy,
8858 				MDIO_PMA_DEVAD,
8859 				MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
8860 		o_buf[i] = (uint8_t)
8861 				(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
8862 	}
8863 
8864 	for (i = 0; i < 100; i++) {
8865 		elink_cl45_read(sc, phy,
8866 				MDIO_PMA_DEVAD,
8867 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8868 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8869 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
8870 			return ELINK_STATUS_OK;
8871 		DELAY(1000 * 1);
8872 	}
8873 	return ELINK_STATUS_ERROR;
8874 }
8875 
8876 static void elink_warpcore_power_module(struct elink_params *params,
8877 					uint8_t power)
8878 {
8879 	uint32_t pin_cfg;
8880 	struct bnx2x_softc *sc = params->sc;
8881 
8882 	pin_cfg = (REG_RD(sc, params->shmem_base +
8883 			  offsetof(struct shmem_region,
8884 			dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
8885 			PORT_HW_CFG_E3_PWR_DIS_MASK) >>
8886 			PORT_HW_CFG_E3_PWR_DIS_SHIFT;
8887 
8888 	if (pin_cfg == PIN_CFG_NA)
8889 		return;
8890 	ELINK_DEBUG_P2(sc, "Setting SFP+ module power to %d using pin cfg %d",
8891 		       power, pin_cfg);
8892 	/* Low ==> corresponding SFP+ module is powered
8893 	 * high ==> the SFP+ module is powered down
8894 	 */
8895 	elink_set_cfg_pin(sc, pin_cfg, power ^ 1);
8896 }
8897 static elink_status_t elink_warpcore_read_sfp_module_eeprom(
8898 					 __rte_unused struct elink_phy *phy,
8899 					 struct elink_params *params,
8900 					 uint8_t dev_addr,
8901 					 uint16_t addr,
8902 					 uint8_t byte_cnt,
8903 					 uint8_t *o_buf,
8904 					 uint8_t is_init)
8905 {
8906 	elink_status_t rc = ELINK_STATUS_OK;
8907 	uint8_t i, j = 0, cnt = 0;
8908 	uint32_t data_array[4];
8909 	uint16_t addr32;
8910 	struct bnx2x_softc *sc = params->sc;
8911 
8912 	if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) {
8913 		ELINK_DEBUG_P0(sc,
8914 		   "Reading from eeprom is limited to 16 bytes");
8915 		return ELINK_STATUS_ERROR;
8916 	}
8917 
8918 	/* 4 byte aligned address */
8919 	addr32 = addr & (~0x3);
8920 	do {
8921 		if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
8922 			elink_warpcore_power_module(params, 0);
8923 			/* Note that 100us are not enough here */
8924 			DELAY(1000 * 1);
8925 			elink_warpcore_power_module(params, 1);
8926 		}
8927 
8928 		elink_bsc_module_sel(params);
8929 		rc = elink_bsc_read(sc, dev_addr, addr32, 0, byte_cnt,
8930 				    data_array);
8931 	} while ((rc != ELINK_STATUS_OK) && (++cnt < I2C_WA_RETRY_CNT));
8932 
8933 	if (rc == ELINK_STATUS_OK) {
8934 		for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
8935 			o_buf[j] = *((uint8_t *)data_array + i);
8936 			j++;
8937 		}
8938 	}
8939 
8940 	return rc;
8941 }
8942 
8943 static elink_status_t elink_8727_read_sfp_module_eeprom(struct elink_phy *phy,
8944 					     struct elink_params *params,
8945 					     uint8_t dev_addr, uint16_t addr,
8946 					     uint8_t byte_cnt,
8947 					     uint8_t *o_buf,
8948 					     __rte_unused uint8_t is_init)
8949 {
8950 	struct bnx2x_softc *sc = params->sc;
8951 	uint16_t val, i;
8952 
8953 	if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) {
8954 		ELINK_DEBUG_P0(sc,
8955 		   "Reading from eeprom is limited to 0xf");
8956 		return ELINK_STATUS_ERROR;
8957 	}
8958 
8959 	/* Set 2-wire transfer rate of SFP+ module EEPROM
8960 	 * to 100Khz since some DACs(direct attached cables) do
8961 	 * not work at 400Khz.
8962 	 */
8963 	elink_cl45_write(sc, phy,
8964 			 MDIO_PMA_DEVAD,
8965 			 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
8966 			 ((dev_addr << 8) | 1));
8967 
8968 	/* Need to read from 1.8000 to clear it */
8969 	elink_cl45_read(sc, phy,
8970 			MDIO_PMA_DEVAD,
8971 			MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8972 			&val);
8973 
8974 	/* Set the read command byte count */
8975 	elink_cl45_write(sc, phy,
8976 			 MDIO_PMA_DEVAD,
8977 			 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
8978 			 ((byte_cnt < 2) ? 2 : byte_cnt));
8979 
8980 	/* Set the read command address */
8981 	elink_cl45_write(sc, phy,
8982 			 MDIO_PMA_DEVAD,
8983 			 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
8984 			 addr);
8985 	/* Set the destination address */
8986 	elink_cl45_write(sc, phy,
8987 			 MDIO_PMA_DEVAD,
8988 			 0x8004,
8989 			 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
8990 
8991 	/* Activate read command */
8992 	elink_cl45_write(sc, phy,
8993 			 MDIO_PMA_DEVAD,
8994 			 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8995 			 0x8002);
8996 	/* Wait appropriate time for two-wire command to finish before
8997 	 * polling the status register
8998 	 */
8999 	DELAY(1000 * 1);
9000 
9001 	/* Wait up to 500us for command complete status */
9002 	for (i = 0; i < 100; i++) {
9003 		elink_cl45_read(sc, phy,
9004 				MDIO_PMA_DEVAD,
9005 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
9006 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
9007 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
9008 			break;
9009 		DELAY(5);
9010 	}
9011 
9012 	if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
9013 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
9014 		ELINK_DEBUG_P1(sc,
9015 			 "Got bad status 0x%x when reading from SFP+ EEPROM",
9016 			 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
9017 		return ELINK_STATUS_TIMEOUT;
9018 	}
9019 
9020 	/* Read the buffer */
9021 	for (i = 0; i < byte_cnt; i++) {
9022 		elink_cl45_read(sc, phy,
9023 				MDIO_PMA_DEVAD,
9024 				MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
9025 		o_buf[i] = (uint8_t)
9026 				(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
9027 	}
9028 
9029 	for (i = 0; i < 100; i++) {
9030 		elink_cl45_read(sc, phy,
9031 				MDIO_PMA_DEVAD,
9032 				MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
9033 		if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
9034 		    MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
9035 			return ELINK_STATUS_OK;
9036 		DELAY(1000 * 1);
9037 	}
9038 
9039 	return ELINK_STATUS_ERROR;
9040 }
9041 elink_status_t elink_read_sfp_module_eeprom(struct elink_phy *phy,
9042 				 struct elink_params *params, uint8_t dev_addr,
9043 				 uint16_t addr, uint16_t byte_cnt,
9044 				 uint8_t *o_buf)
9045 {
9046 	elink_status_t rc = 0;
9047 	struct bnx2x_softc *sc = params->sc;
9048 	uint8_t xfer_size;
9049 	uint8_t *user_data = o_buf;
9050 	read_sfp_module_eeprom_func_p read_func;
9051 	if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
9052 		ELINK_DEBUG_P1(sc, "invalid dev_addr 0x%x", dev_addr);
9053 		return ELINK_STATUS_ERROR;
9054 	}
9055 
9056 	switch (phy->type) {
9057 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8726:
9058 		read_func = elink_8726_read_sfp_module_eeprom;
9059 		break;
9060 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8727:
9061 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8722:
9062 		read_func = elink_8727_read_sfp_module_eeprom;
9063 		break;
9064 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
9065 		read_func = elink_warpcore_read_sfp_module_eeprom;
9066 		break;
9067 	default:
9068 		return ELINK_OP_NOT_SUPPORTED;
9069 	}
9070 
9071 	while (!rc && (byte_cnt > 0)) {
9072 		xfer_size = (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) ?
9073 			ELINK_SFP_EEPROM_PAGE_SIZE : byte_cnt;
9074 		rc = read_func(phy, params, dev_addr, addr, xfer_size,
9075 			       user_data, 0);
9076 		byte_cnt -= xfer_size;
9077 		user_data += xfer_size;
9078 		addr += xfer_size;
9079 	}
9080 	return rc;
9081 }
9082 
9083 static elink_status_t elink_get_edc_mode(struct elink_phy *phy,
9084 			      struct elink_params *params,
9085 			      uint16_t *edc_mode)
9086 {
9087 	struct bnx2x_softc *sc = params->sc;
9088 	uint32_t sync_offset = 0, phy_idx, media_types;
9089 	uint8_t val[ELINK_SFP_EEPROM_FC_TX_TECH_ADDR + 1];
9090 	uint8_t check_limiting_mode = 0;
9091 	*edc_mode = ELINK_EDC_MODE_LIMITING;
9092 	phy->media_type = ELINK_ETH_PHY_UNSPECIFIED;
9093 	/* First check for copper cable */
9094 	if (elink_read_sfp_module_eeprom(phy,
9095 					 params,
9096 					 ELINK_I2C_DEV_ADDR_A0,
9097 					 0,
9098 					 ELINK_SFP_EEPROM_FC_TX_TECH_ADDR + 1,
9099 					 (uint8_t *)val) != 0) {
9100 		ELINK_DEBUG_P0(sc, "Failed to read from SFP+ module EEPROM");
9101 		return ELINK_STATUS_ERROR;
9102 	}
9103 	params->link_attr_sync &= ~LINK_SFP_EEPROM_COMP_CODE_MASK;
9104 	params->link_attr_sync |= val[ELINK_SFP_EEPROM_10G_COMP_CODE_ADDR] <<
9105 		LINK_SFP_EEPROM_COMP_CODE_SHIFT;
9106 	elink_update_link_attr(params, params->link_attr_sync);
9107 	switch (val[ELINK_SFP_EEPROM_CON_TYPE_ADDR]) {
9108 	case ELINK_SFP_EEPROM_CON_TYPE_VAL_COPPER:
9109 	{
9110 		uint8_t copper_module_type;
9111 		phy->media_type = ELINK_ETH_PHY_DA_TWINAX;
9112 		/* Check if its active cable (includes SFP+ module)
9113 		 * of passive cable
9114 		 */
9115 		copper_module_type = val[ELINK_SFP_EEPROM_FC_TX_TECH_ADDR];
9116 		if (copper_module_type &
9117 		    ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
9118 			ELINK_DEBUG_P0(sc, "Active Copper cable detected");
9119 			if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
9120 				*edc_mode = ELINK_EDC_MODE_ACTIVE_DAC;
9121 			else
9122 				check_limiting_mode = 1;
9123 		} else {
9124 			*edc_mode = ELINK_EDC_MODE_PASSIVE_DAC;
9125 			/* Even in case PASSIVE_DAC indication is not set,
9126 			 * treat it as a passive DAC cable, since some cables
9127 			 * don't have this indication.
9128 			 */
9129 			if (copper_module_type &
9130 			   ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
9131 				ELINK_DEBUG_P0(sc,
9132 					       "Passive Copper cable detected");
9133 			} else {
9134 				ELINK_DEBUG_P0(sc,
9135 					       "Unknown copper-cable-type");
9136 			}
9137 		}
9138 		break;
9139 	}
9140 	case ELINK_SFP_EEPROM_CON_TYPE_VAL_UNKNOWN:
9141 	case ELINK_SFP_EEPROM_CON_TYPE_VAL_LC:
9142 	case ELINK_SFP_EEPROM_CON_TYPE_VAL_RJ45:
9143 		check_limiting_mode = 1;
9144 		/* Module is considered as 1G in case it's NOT compliant with
9145 		 * any 10G ethernet protocol, but is 1G Ethernet compliant.
9146 		 */
9147 		if (((val[ELINK_SFP_EEPROM_10G_COMP_CODE_ADDR] &
9148 		      (ELINK_SFP_EEPROM_10G_COMP_CODE_SR_MASK |
9149 		       ELINK_SFP_EEPROM_10G_COMP_CODE_LR_MASK |
9150 		       ELINK_SFP_EEPROM_10G_COMP_CODE_LRM_MASK)) == 0) &&
9151 		    (val[ELINK_SFP_EEPROM_1G_COMP_CODE_ADDR] != 0)) {
9152 			ELINK_DEBUG_P0(sc, "1G SFP module detected");
9153 			phy->media_type = ELINK_ETH_PHY_SFP_1G_FIBER;
9154 			if (phy->req_line_speed != ELINK_SPEED_1000) {
9155 				uint8_t gport = params->port;
9156 				phy->req_line_speed = ELINK_SPEED_1000;
9157 				if (!CHIP_IS_E1x(sc)) {
9158 					gport = SC_PATH(sc) +
9159 					(params->port << 1);
9160 				}
9161 				elink_cb_event_log(sc,
9162 						   ELINK_LOG_ID_NON_10G_MODULE,
9163 						   gport);
9164 				 /*"Warning: Link speed was forced to 1000Mbps."
9165 				  *" Current SFP module in port %d is not"
9166 				  *" compliant with 10G Ethernet",
9167 				  */
9168 			}
9169 
9170 			if (val[ELINK_SFP_EEPROM_1G_COMP_CODE_ADDR] &
9171 			    ELINK_SFP_EEPROM_1G_COMP_CODE_BASE_T) {
9172 				/* Some 1G-baseT modules will not link up,
9173 				 * unless TX_EN is toggled with long delay in
9174 				 * between.
9175 				 */
9176 				elink_sfp_set_transmitter(params, phy, 0);
9177 				DELAY(1000 * 40);
9178 				elink_sfp_set_transmitter(params, phy, 1);
9179 			}
9180 		} else {
9181 			int idx, cfg_idx = 0;
9182 			ELINK_DEBUG_P0(sc, "10G Optic module detected");
9183 			for (idx = ELINK_INT_PHY; idx < ELINK_MAX_PHYS; idx++) {
9184 				if (params->phy[idx].type == phy->type) {
9185 					cfg_idx = ELINK_LINK_CONFIG_IDX(idx);
9186 					break;
9187 				}
9188 			}
9189 			phy->media_type = ELINK_ETH_PHY_SFPP_10G_FIBER;
9190 			phy->req_line_speed = params->req_line_speed[cfg_idx];
9191 		}
9192 		break;
9193 	default:
9194 		ELINK_DEBUG_P1(sc, "Unable to determine module type 0x%x !!!",
9195 			 val[ELINK_SFP_EEPROM_CON_TYPE_ADDR]);
9196 		return ELINK_STATUS_ERROR;
9197 	}
9198 	sync_offset = params->shmem_base +
9199 		offsetof(struct shmem_region,
9200 			 dev_info.port_hw_config[params->port].media_type);
9201 	media_types = REG_RD(sc, sync_offset);
9202 	/* Update media type for non-PMF sync */
9203 	for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
9204 		if (&(params->phy[phy_idx]) == phy) {
9205 			media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
9206 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
9207 			media_types |= ((phy->media_type &
9208 					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
9209 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
9210 			break;
9211 		}
9212 	}
9213 	REG_WR(sc, sync_offset, media_types);
9214 	if (check_limiting_mode) {
9215 		uint8_t options[ELINK_SFP_EEPROM_OPTIONS_SIZE];
9216 		if (elink_read_sfp_module_eeprom(phy,
9217 						 params,
9218 						 ELINK_I2C_DEV_ADDR_A0,
9219 						 ELINK_SFP_EEPROM_OPTIONS_ADDR,
9220 						 ELINK_SFP_EEPROM_OPTIONS_SIZE,
9221 						 options) != 0) {
9222 			ELINK_DEBUG_P0(sc,
9223 			   "Failed to read Option field from module EEPROM");
9224 			return ELINK_STATUS_ERROR;
9225 		}
9226 		if ((options[0] & ELINK_SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
9227 			*edc_mode = ELINK_EDC_MODE_LINEAR;
9228 		else
9229 			*edc_mode = ELINK_EDC_MODE_LIMITING;
9230 	}
9231 	ELINK_DEBUG_P1(sc, "EDC mode is set to 0x%x", *edc_mode);
9232 	return ELINK_STATUS_OK;
9233 }
9234 /* This function read the relevant field from the module (SFP+), and verify it
9235  * is compliant with this board
9236  */
9237 static elink_status_t elink_verify_sfp_module(struct elink_phy *phy,
9238 				   struct elink_params *params)
9239 {
9240 	struct bnx2x_softc *sc = params->sc;
9241 	uint32_t val, cmd;
9242 	uint32_t fw_resp, fw_cmd_param;
9243 	char vendor_name[ELINK_SFP_EEPROM_VENDOR_NAME_SIZE + 1];
9244 	char vendor_pn[ELINK_SFP_EEPROM_PART_NO_SIZE + 1];
9245 	phy->flags &= ~ELINK_FLAGS_SFP_NOT_APPROVED;
9246 	val = REG_RD(sc, params->shmem_base +
9247 			 offsetof(struct shmem_region, dev_info.
9248 				  port_feature_config[params->port].config));
9249 	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9250 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
9251 		ELINK_DEBUG_P0(sc, "NOT enforcing module verification");
9252 		return ELINK_STATUS_OK;
9253 	}
9254 
9255 	if (params->feature_config_flags &
9256 	    ELINK_FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
9257 		/* Use specific phy request */
9258 		cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
9259 	} else if (params->feature_config_flags &
9260 		   ELINK_FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
9261 		/* Use first phy request only in case of non-dual media*/
9262 		if (ELINK_DUAL_MEDIA(params)) {
9263 			ELINK_DEBUG_P0(sc,
9264 			   "FW does not support OPT MDL verification");
9265 			return ELINK_STATUS_ERROR;
9266 		}
9267 		cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
9268 	} else {
9269 		/* No support in OPT MDL detection */
9270 		ELINK_DEBUG_P0(sc,
9271 		   "FW does not support OPT MDL verification");
9272 		return ELINK_STATUS_ERROR;
9273 	}
9274 
9275 	fw_cmd_param = ELINK_FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
9276 	fw_resp = elink_cb_fw_command(sc, cmd, fw_cmd_param);
9277 	if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
9278 		ELINK_DEBUG_P0(sc, "Approved module");
9279 		return ELINK_STATUS_OK;
9280 	}
9281 
9282 	/* Format the warning message */
9283 	if (elink_read_sfp_module_eeprom(phy,
9284 					 params,
9285 					 ELINK_I2C_DEV_ADDR_A0,
9286 					 ELINK_SFP_EEPROM_VENDOR_NAME_ADDR,
9287 					 ELINK_SFP_EEPROM_VENDOR_NAME_SIZE,
9288 					 (uint8_t *)vendor_name))
9289 		vendor_name[0] = '\0';
9290 	else
9291 		vendor_name[ELINK_SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
9292 	if (elink_read_sfp_module_eeprom(phy,
9293 					 params,
9294 					 ELINK_I2C_DEV_ADDR_A0,
9295 					 ELINK_SFP_EEPROM_PART_NO_ADDR,
9296 					 ELINK_SFP_EEPROM_PART_NO_SIZE,
9297 					 (uint8_t *)vendor_pn))
9298 		vendor_pn[0] = '\0';
9299 	else
9300 		vendor_pn[ELINK_SFP_EEPROM_PART_NO_SIZE] = '\0';
9301 
9302 	elink_cb_event_log(sc, ELINK_LOG_ID_UNQUAL_IO_MODULE, params->port,
9303 			   vendor_name, vendor_pn);
9304 			     /* "Warning: Unqualified SFP+ module detected,"
9305 			      * " Port %d from %s part number %s",
9306 			      */
9307 
9308 	if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
9309 	    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
9310 		phy->flags |= ELINK_FLAGS_SFP_NOT_APPROVED;
9311 	return ELINK_STATUS_ERROR;
9312 }
9313 
9314 static elink_status_t elink_wait_for_sfp_module_initialized(
9315 						 struct elink_phy *phy,
9316 						 struct elink_params *params)
9317 
9318 {
9319 	uint8_t val;
9320 	elink_status_t rc;
9321 	struct bnx2x_softc *sc = params->sc;
9322 	uint16_t timeout;
9323 	/* Initialization time after hot-plug may take up to 300ms for
9324 	 * some phys type ( e.g. JDSU )
9325 	 */
9326 
9327 	for (timeout = 0; timeout < 60; timeout++) {
9328 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
9329 			rc = elink_warpcore_read_sfp_module_eeprom(
9330 				phy, params, ELINK_I2C_DEV_ADDR_A0, 1, 1, &val,
9331 				1);
9332 		else
9333 			rc = elink_read_sfp_module_eeprom(phy, params,
9334 							  ELINK_I2C_DEV_ADDR_A0,
9335 							  1, 1, &val);
9336 		if (rc == 0) {
9337 			ELINK_DEBUG_P1(sc,
9338 			   "SFP+ module initialization took %d ms",
9339 			   timeout * 5);
9340 			return ELINK_STATUS_OK;
9341 		}
9342 		DELAY(1000 * 5);
9343 	}
9344 	rc = elink_read_sfp_module_eeprom(phy, params, ELINK_I2C_DEV_ADDR_A0,
9345 					  1, 1, &val);
9346 	return rc;
9347 }
9348 
9349 static void elink_8727_power_module(struct bnx2x_softc *sc,
9350 				    struct elink_phy *phy,
9351 				    uint8_t is_power_up) {
9352 	/* Make sure GPIOs are not using for LED mode */
9353 	uint16_t val;
9354 	/* In the GPIO register, bit 4 is use to determine if the GPIOs are
9355 	 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
9356 	 * output
9357 	 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
9358 	 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
9359 	 * where the 1st bit is the over-current(only input), and 2nd bit is
9360 	 * for power( only output )
9361 	 *
9362 	 * In case of NOC feature is disabled and power is up, set GPIO control
9363 	 *  as input to enable listening of over-current indication
9364 	 */
9365 	if (phy->flags & ELINK_FLAGS_NOC)
9366 		return;
9367 	if (is_power_up)
9368 		val = (1 << 4);
9369 	else
9370 		/* Set GPIO control to OUTPUT, and set the power bit
9371 		 * to according to the is_power_up
9372 		 */
9373 		val = (1 << 1);
9374 
9375 	elink_cl45_write(sc, phy,
9376 			 MDIO_PMA_DEVAD,
9377 			 MDIO_PMA_REG_8727_GPIO_CTRL,
9378 			 val);
9379 }
9380 
9381 static elink_status_t elink_8726_set_limiting_mode(struct bnx2x_softc *sc,
9382 					struct elink_phy *phy,
9383 					uint16_t edc_mode)
9384 {
9385 	uint16_t cur_limiting_mode;
9386 
9387 	elink_cl45_read(sc, phy,
9388 			MDIO_PMA_DEVAD,
9389 			MDIO_PMA_REG_ROM_VER2,
9390 			&cur_limiting_mode);
9391 	ELINK_DEBUG_P1(sc, "Current Limiting mode is 0x%x",
9392 		 cur_limiting_mode);
9393 
9394 	if (edc_mode == ELINK_EDC_MODE_LIMITING) {
9395 		ELINK_DEBUG_P0(sc, "Setting LIMITING MODE");
9396 		elink_cl45_write(sc, phy,
9397 				 MDIO_PMA_DEVAD,
9398 				 MDIO_PMA_REG_ROM_VER2,
9399 				 ELINK_EDC_MODE_LIMITING);
9400 	} else { /* LRM mode ( default )*/
9401 
9402 		ELINK_DEBUG_P0(sc, "Setting LRM MODE");
9403 
9404 		/* Changing to LRM mode takes quite few seconds. So do it only
9405 		 * if current mode is limiting (default is LRM)
9406 		 */
9407 		if (cur_limiting_mode != ELINK_EDC_MODE_LIMITING)
9408 			return ELINK_STATUS_OK;
9409 
9410 		elink_cl45_write(sc, phy,
9411 				 MDIO_PMA_DEVAD,
9412 				 MDIO_PMA_REG_LRM_MODE,
9413 				 0);
9414 		elink_cl45_write(sc, phy,
9415 				 MDIO_PMA_DEVAD,
9416 				 MDIO_PMA_REG_ROM_VER2,
9417 				 0x128);
9418 		elink_cl45_write(sc, phy,
9419 				 MDIO_PMA_DEVAD,
9420 				 MDIO_PMA_REG_MISC_CTRL0,
9421 				 0x4008);
9422 		elink_cl45_write(sc, phy,
9423 				 MDIO_PMA_DEVAD,
9424 				 MDIO_PMA_REG_LRM_MODE,
9425 				 0xaaaa);
9426 	}
9427 	return ELINK_STATUS_OK;
9428 }
9429 
9430 static elink_status_t elink_8727_set_limiting_mode(struct bnx2x_softc *sc,
9431 					struct elink_phy *phy,
9432 					uint16_t edc_mode)
9433 {
9434 	uint16_t phy_identifier;
9435 	uint16_t rom_ver2_val;
9436 	elink_cl45_read(sc, phy,
9437 			MDIO_PMA_DEVAD,
9438 			MDIO_PMA_REG_PHY_IDENTIFIER,
9439 			&phy_identifier);
9440 
9441 	elink_cl45_write(sc, phy,
9442 			 MDIO_PMA_DEVAD,
9443 			 MDIO_PMA_REG_PHY_IDENTIFIER,
9444 			 (phy_identifier & ~(1 << 9)));
9445 
9446 	elink_cl45_read(sc, phy,
9447 			MDIO_PMA_DEVAD,
9448 			MDIO_PMA_REG_ROM_VER2,
9449 			&rom_ver2_val);
9450 	/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
9451 	elink_cl45_write(sc, phy,
9452 			 MDIO_PMA_DEVAD,
9453 			 MDIO_PMA_REG_ROM_VER2,
9454 			 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
9455 
9456 	elink_cl45_write(sc, phy,
9457 			 MDIO_PMA_DEVAD,
9458 			 MDIO_PMA_REG_PHY_IDENTIFIER,
9459 			 (phy_identifier | (1 << 9)));
9460 
9461 	return ELINK_STATUS_OK;
9462 }
9463 
9464 static void elink_8727_specific_func(struct elink_phy *phy,
9465 				     struct elink_params *params,
9466 				     uint32_t action)
9467 {
9468 	struct bnx2x_softc *sc = params->sc;
9469 	uint16_t val;
9470 	switch (action) {
9471 	case ELINK_DISABLE_TX:
9472 		elink_sfp_set_transmitter(params, phy, 0);
9473 		break;
9474 	case ELINK_ENABLE_TX:
9475 		if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED))
9476 			elink_sfp_set_transmitter(params, phy, 1);
9477 		break;
9478 	case ELINK_PHY_INIT:
9479 		elink_cl45_write(sc, phy,
9480 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9481 				 (1 << 2) | (1 << 5));
9482 		elink_cl45_write(sc, phy,
9483 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
9484 				 0);
9485 		elink_cl45_write(sc, phy,
9486 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
9487 		/* Make MOD_ABS give interrupt on change */
9488 		elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
9489 				MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9490 				&val);
9491 		val |= (1 << 12);
9492 		if (phy->flags & ELINK_FLAGS_NOC)
9493 			val |= (3 << 5);
9494 		/* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
9495 		 * status which reflect SFP+ module over-current
9496 		 */
9497 		if (!(phy->flags & ELINK_FLAGS_NOC))
9498 			val &= 0xff8f; /* Reset bits 4-6 */
9499 		elink_cl45_write(sc, phy,
9500 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9501 				 val);
9502 		break;
9503 	default:
9504 		ELINK_DEBUG_P1(sc, "Function 0x%x not supported by 8727",
9505 		   action);
9506 		return;
9507 	}
9508 }
9509 
9510 static void elink_set_e1e2_module_fault_led(struct elink_params *params,
9511 					   uint8_t gpio_mode)
9512 {
9513 	struct bnx2x_softc *sc = params->sc;
9514 
9515 	uint32_t fault_led_gpio = REG_RD(sc, params->shmem_base +
9516 			    offsetof(struct shmem_region,
9517 			dev_info.port_hw_config[params->port].sfp_ctrl)) &
9518 		PORT_HW_CFG_FAULT_MODULE_LED_MASK;
9519 	switch (fault_led_gpio) {
9520 	case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
9521 		return;
9522 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
9523 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
9524 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
9525 	case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
9526 	{
9527 		uint8_t gpio_port = elink_get_gpio_port(params);
9528 		uint16_t gpio_pin = fault_led_gpio -
9529 			PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
9530 		ELINK_DEBUG_P3(sc, "Set fault module-detected led "
9531 				   "pin %x port %x mode %x",
9532 			       gpio_pin, gpio_port, gpio_mode);
9533 		elink_cb_gpio_write(sc, gpio_pin, gpio_mode, gpio_port);
9534 	}
9535 	break;
9536 	default:
9537 		ELINK_DEBUG_P1(sc, "Error: Invalid fault led mode 0x%x",
9538 			       fault_led_gpio);
9539 	}
9540 }
9541 
9542 static void elink_set_e3_module_fault_led(struct elink_params *params,
9543 					  uint8_t gpio_mode)
9544 {
9545 	uint32_t pin_cfg;
9546 	uint8_t port = params->port;
9547 	struct bnx2x_softc *sc = params->sc;
9548 	pin_cfg = (REG_RD(sc, params->shmem_base +
9549 			 offsetof(struct shmem_region,
9550 				  dev_info.port_hw_config[port].e3_sfp_ctrl)) &
9551 		PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
9552 		PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
9553 	ELINK_DEBUG_P2(sc, "Setting Fault LED to %d using pin cfg %d",
9554 		       gpio_mode, pin_cfg);
9555 	elink_set_cfg_pin(sc, pin_cfg, gpio_mode);
9556 }
9557 
9558 static void elink_set_sfp_module_fault_led(struct elink_params *params,
9559 					   uint8_t gpio_mode)
9560 {
9561 	struct bnx2x_softc *sc = params->sc;
9562 	ELINK_DEBUG_P1(sc, "Setting SFP+ module fault LED to %d", gpio_mode);
9563 	if (CHIP_IS_E3(sc)) {
9564 		/* Low ==> if SFP+ module is supported otherwise
9565 		 * High ==> if SFP+ module is not on the approved vendor list
9566 		 */
9567 		elink_set_e3_module_fault_led(params, gpio_mode);
9568 	} else
9569 		elink_set_e1e2_module_fault_led(params, gpio_mode);
9570 }
9571 
9572 static void elink_warpcore_hw_reset(__rte_unused struct elink_phy *phy,
9573 				    struct elink_params *params)
9574 {
9575 	struct bnx2x_softc *sc = params->sc;
9576 	elink_warpcore_power_module(params, 0);
9577 	/* Put Warpcore in low power mode */
9578 	REG_WR(sc, MISC_REG_WC0_RESET, 0x0c0e);
9579 
9580 	/* Put LCPLL in low power mode */
9581 	REG_WR(sc, MISC_REG_LCPLL_E40_PWRDWN, 1);
9582 	REG_WR(sc, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
9583 	REG_WR(sc, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
9584 }
9585 
9586 static void elink_power_sfp_module(struct elink_params *params,
9587 				   struct elink_phy *phy,
9588 				   uint8_t power)
9589 {
9590 	struct bnx2x_softc *sc = params->sc;
9591 	ELINK_DEBUG_P1(sc, "Setting SFP+ power to %x", power);
9592 
9593 	switch (phy->type) {
9594 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8727:
9595 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8722:
9596 		elink_8727_power_module(params->sc, phy, power);
9597 		break;
9598 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
9599 		elink_warpcore_power_module(params, power);
9600 		break;
9601 	default:
9602 		break;
9603 	}
9604 }
9605 static void elink_warpcore_set_limiting_mode(struct elink_params *params,
9606 					     struct elink_phy *phy,
9607 					     uint16_t edc_mode)
9608 {
9609 	uint16_t val = 0;
9610 	uint16_t mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
9611 	struct bnx2x_softc *sc = params->sc;
9612 
9613 	uint8_t lane = elink_get_warpcore_lane(phy, params);
9614 	/* This is a global register which controls all lanes */
9615 	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
9616 			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
9617 	val &= ~(0xf << (lane << 2));
9618 
9619 	switch (edc_mode) {
9620 	case ELINK_EDC_MODE_LINEAR:
9621 	case ELINK_EDC_MODE_LIMITING:
9622 		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
9623 		break;
9624 	case ELINK_EDC_MODE_PASSIVE_DAC:
9625 	case ELINK_EDC_MODE_ACTIVE_DAC:
9626 		mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
9627 		break;
9628 	default:
9629 		break;
9630 	}
9631 
9632 	val |= (mode << (lane << 2));
9633 	elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
9634 			 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
9635 	/* A must read */
9636 	elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
9637 			MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
9638 
9639 	/* Restart microcode to re-read the new mode */
9640 	elink_warpcore_reset_lane(sc, phy, 1);
9641 	elink_warpcore_reset_lane(sc, phy, 0);
9642 
9643 }
9644 
9645 static void elink_set_limiting_mode(struct elink_params *params,
9646 				    struct elink_phy *phy,
9647 				    uint16_t edc_mode)
9648 {
9649 	switch (phy->type) {
9650 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8726:
9651 		elink_8726_set_limiting_mode(params->sc, phy, edc_mode);
9652 		break;
9653 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8727:
9654 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8722:
9655 		elink_8727_set_limiting_mode(params->sc, phy, edc_mode);
9656 		break;
9657 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
9658 		elink_warpcore_set_limiting_mode(params, phy, edc_mode);
9659 		break;
9660 	}
9661 }
9662 
9663 elink_status_t elink_sfp_module_detection(struct elink_phy *phy,
9664 			       struct elink_params *params)
9665 {
9666 	struct bnx2x_softc *sc = params->sc;
9667 	uint16_t edc_mode;
9668 	elink_status_t rc = ELINK_STATUS_OK;
9669 
9670 	uint32_t val = REG_RD(sc, params->shmem_base +
9671 			     offsetof(struct shmem_region, dev_info.
9672 				     port_feature_config[params->port].config));
9673 	/* Enabled transmitter by default */
9674 	elink_sfp_set_transmitter(params, phy, 1);
9675 	ELINK_DEBUG_P1(sc, "SFP+ module plugged in/out detected on port %d",
9676 		 params->port);
9677 	/* Power up module */
9678 	elink_power_sfp_module(params, phy, 1);
9679 	if (elink_get_edc_mode(phy, params, &edc_mode) != 0) {
9680 		ELINK_DEBUG_P0(sc, "Failed to get valid module type");
9681 		return ELINK_STATUS_ERROR;
9682 	} else if (elink_verify_sfp_module(phy, params) != 0) {
9683 		/* Check SFP+ module compatibility */
9684 		ELINK_DEBUG_P0(sc, "Module verification failed!!");
9685 		rc = ELINK_STATUS_ERROR;
9686 		/* Turn on fault module-detected led */
9687 		elink_set_sfp_module_fault_led(params,
9688 					       MISC_REGISTERS_GPIO_HIGH);
9689 
9690 		/* Check if need to power down the SFP+ module */
9691 		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9692 		     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
9693 			ELINK_DEBUG_P0(sc, "Shutdown SFP+ module!!");
9694 			elink_power_sfp_module(params, phy, 0);
9695 			return rc;
9696 		}
9697 	} else {
9698 		/* Turn off fault module-detected led */
9699 		elink_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
9700 	}
9701 
9702 	/* Check and set limiting mode / LRM mode on 8726. On 8727 it
9703 	 * is done automatically
9704 	 */
9705 	elink_set_limiting_mode(params, phy, edc_mode);
9706 
9707 	/* Disable transmit for this module if the module is not approved, and
9708 	 * laser needs to be disabled.
9709 	 */
9710 	if ((rc != 0) &&
9711 	    ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9712 	     PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
9713 		elink_sfp_set_transmitter(params, phy, 0);
9714 
9715 	return rc;
9716 }
9717 
9718 void elink_handle_module_detect_int(struct elink_params *params)
9719 {
9720 	struct bnx2x_softc *sc = params->sc;
9721 	struct elink_phy *phy;
9722 	uint32_t gpio_val;
9723 	uint8_t gpio_num, gpio_port;
9724 	if (CHIP_IS_E3(sc)) {
9725 		phy = &params->phy[ELINK_INT_PHY];
9726 		/* Always enable TX laser, will be disabled in case of fault */
9727 		elink_sfp_set_transmitter(params, phy, 1);
9728 	} else {
9729 		phy = &params->phy[ELINK_EXT_PHY1];
9730 	}
9731 	if (elink_get_mod_abs_int_cfg(sc, params->chip_id, params->shmem_base,
9732 				      params->port, &gpio_num, &gpio_port) ==
9733 	    ELINK_STATUS_ERROR) {
9734 		ELINK_DEBUG_P0(sc, "Failed to get MOD_ABS interrupt config");
9735 		return;
9736 	}
9737 
9738 	/* Set valid module led off */
9739 	elink_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
9740 
9741 	/* Get current gpio val reflecting module plugged in / out*/
9742 	gpio_val = elink_cb_gpio_read(sc, gpio_num, gpio_port);
9743 
9744 	/* Call the handling function in case module is detected */
9745 	if (gpio_val == 0) {
9746 		elink_set_mdio_emac_per_phy(sc, params);
9747 		elink_set_aer_mmd(params, phy);
9748 
9749 		elink_power_sfp_module(params, phy, 1);
9750 		elink_cb_gpio_int_write(sc, gpio_num,
9751 				   MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
9752 				   gpio_port);
9753 		if (elink_wait_for_sfp_module_initialized(phy, params) == 0) {
9754 			elink_sfp_module_detection(phy, params);
9755 			if (CHIP_IS_E3(sc)) {
9756 				uint16_t rx_tx_in_reset;
9757 				/* In case WC is out of reset, reconfigure the
9758 				 * link speed while taking into account 1G
9759 				 * module limitation.
9760 				 */
9761 				elink_cl45_read(sc, phy,
9762 						MDIO_WC_DEVAD,
9763 						MDIO_WC_REG_DIGITAL5_MISC6,
9764 						&rx_tx_in_reset);
9765 				if ((!rx_tx_in_reset) &&
9766 				    (params->link_flags &
9767 				     ELINK_PHY_INITIALIZED)) {
9768 					elink_warpcore_reset_lane(sc, phy, 1);
9769 					elink_warpcore_config_sfi(phy, params);
9770 					elink_warpcore_reset_lane(sc, phy, 0);
9771 				}
9772 			}
9773 		} else {
9774 			ELINK_DEBUG_P0(sc, "SFP+ module is not initialized");
9775 		}
9776 	} else {
9777 		elink_cb_gpio_int_write(sc, gpio_num,
9778 				   MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
9779 				   gpio_port);
9780 		/* Module was plugged out.
9781 		 * Disable transmit for this module
9782 		 */
9783 		phy->media_type = ELINK_ETH_PHY_NOT_PRESENT;
9784 	}
9785 }
9786 
9787 /******************************************************************/
9788 /*		Used by 8706 and 8727                             */
9789 /******************************************************************/
9790 static void elink_sfp_mask_fault(struct bnx2x_softc *sc,
9791 				 struct elink_phy *phy,
9792 				 uint16_t alarm_status_offset,
9793 				 uint16_t alarm_ctrl_offset)
9794 {
9795 	uint16_t alarm_status, val;
9796 	elink_cl45_read(sc, phy,
9797 			MDIO_PMA_DEVAD, alarm_status_offset,
9798 			&alarm_status);
9799 	elink_cl45_read(sc, phy,
9800 			MDIO_PMA_DEVAD, alarm_status_offset,
9801 			&alarm_status);
9802 	/* Mask or enable the fault event. */
9803 	elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
9804 	if (alarm_status & (1 << 0))
9805 		val &= ~(1 << 0);
9806 	else
9807 		val |= (1 << 0);
9808 	elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
9809 }
9810 /******************************************************************/
9811 /*		common BNX2X8706/BNX2X8726 PHY SECTION		  */
9812 /******************************************************************/
9813 static uint8_t elink_8706_8726_read_status(struct elink_phy *phy,
9814 				      struct elink_params *params,
9815 				      struct elink_vars *vars)
9816 {
9817 	uint8_t link_up = 0;
9818 	uint16_t val1, val2, rx_sd, pcs_status;
9819 	struct bnx2x_softc *sc = params->sc;
9820 	ELINK_DEBUG_P0(sc, "XGXS 8706/8726");
9821 	/* Clear RX Alarm*/
9822 	elink_cl45_read(sc, phy,
9823 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
9824 
9825 	elink_sfp_mask_fault(sc, phy, MDIO_PMA_LASI_TXSTAT,
9826 			     MDIO_PMA_LASI_TXCTRL);
9827 
9828 	/* Clear LASI indication*/
9829 	elink_cl45_read(sc, phy,
9830 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
9831 	elink_cl45_read(sc, phy,
9832 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
9833 	ELINK_DEBUG_P2(sc, "8706/8726 LASI status 0x%x--> 0x%x", val1, val2);
9834 
9835 	elink_cl45_read(sc, phy,
9836 			MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
9837 	elink_cl45_read(sc, phy,
9838 			MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
9839 	elink_cl45_read(sc, phy,
9840 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
9841 	elink_cl45_read(sc, phy,
9842 			MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
9843 
9844 	ELINK_DEBUG_P3(sc, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
9845 			" link_status 0x%x", rx_sd, pcs_status, val2);
9846 	/* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
9847 	 * are set, or if the autoneg bit 1 is set
9848 	 */
9849 	link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1 << 1)));
9850 	if (link_up) {
9851 		if (val2 & (1 << 1))
9852 			vars->line_speed = ELINK_SPEED_1000;
9853 		else
9854 			vars->line_speed = ELINK_SPEED_10000;
9855 		elink_ext_phy_resolve_fc(phy, params, vars);
9856 		vars->duplex = DUPLEX_FULL;
9857 	}
9858 
9859 	/* Capture 10G link fault. Read twice to clear stale value. */
9860 	if (vars->line_speed == ELINK_SPEED_10000) {
9861 		elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
9862 			    MDIO_PMA_LASI_TXSTAT, &val1);
9863 		elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
9864 			    MDIO_PMA_LASI_TXSTAT, &val1);
9865 		if (val1 & (1 << 0))
9866 			vars->fault_detected = 1;
9867 	}
9868 
9869 	return link_up;
9870 }
9871 
9872 /******************************************************************/
9873 /*			BNX2X8706 PHY SECTION			  */
9874 /******************************************************************/
9875 static uint8_t elink_8706_config_init(struct elink_phy *phy,
9876 				 struct elink_params *params,
9877 				 __rte_unused struct elink_vars *vars)
9878 {
9879 	uint32_t tx_en_mode;
9880 	uint16_t cnt, val, tmp1;
9881 	struct bnx2x_softc *sc = params->sc;
9882 
9883 	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
9884 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
9885 	/* HW reset */
9886 	elink_ext_phy_hw_reset(sc, params->port);
9887 	elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
9888 	elink_wait_reset_complete(sc, phy, params);
9889 
9890 	/* Wait until fw is loaded */
9891 	for (cnt = 0; cnt < 100; cnt++) {
9892 		elink_cl45_read(sc, phy,
9893 				MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
9894 		if (val)
9895 			break;
9896 		DELAY(1000 * 10);
9897 	}
9898 	ELINK_DEBUG_P1(sc, "XGXS 8706 is initialized after %d ms", cnt);
9899 	if ((params->feature_config_flags &
9900 	     ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9901 		uint8_t i;
9902 		uint16_t reg;
9903 		for (i = 0; i < 4; i++) {
9904 			reg = MDIO_XS_8706_REG_BANK_RX0 +
9905 				i * (MDIO_XS_8706_REG_BANK_RX1 -
9906 				     MDIO_XS_8706_REG_BANK_RX0);
9907 			elink_cl45_read(sc, phy, MDIO_XS_DEVAD, reg, &val);
9908 			/* Clear first 3 bits of the control */
9909 			val &= ~0x7;
9910 			/* Set control bits according to configuration */
9911 			val |= (phy->rx_preemphasis[i] & 0x7);
9912 			ELINK_DEBUG_P2(sc, "Setting RX Equalizer to BNX2X8706"
9913 				   " reg 0x%x <-- val 0x%x", reg, val);
9914 			elink_cl45_write(sc, phy, MDIO_XS_DEVAD, reg, val);
9915 		}
9916 	}
9917 	/* Force speed */
9918 	if (phy->req_line_speed == ELINK_SPEED_10000) {
9919 		ELINK_DEBUG_P0(sc, "XGXS 8706 force 10Gbps");
9920 
9921 		elink_cl45_write(sc, phy,
9922 				 MDIO_PMA_DEVAD,
9923 				 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
9924 		elink_cl45_write(sc, phy,
9925 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
9926 				 0);
9927 		/* Arm LASI for link and Tx fault. */
9928 		elink_cl45_write(sc, phy,
9929 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
9930 	} else {
9931 		/* Force 1Gbps using autoneg with 1G advertisement */
9932 
9933 		/* Allow CL37 through CL73 */
9934 		ELINK_DEBUG_P0(sc, "XGXS 8706 AutoNeg");
9935 		elink_cl45_write(sc, phy,
9936 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
9937 
9938 		/* Enable Full-Duplex advertisement on CL37 */
9939 		elink_cl45_write(sc, phy,
9940 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
9941 		/* Enable CL37 AN */
9942 		elink_cl45_write(sc, phy,
9943 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
9944 		/* 1G support */
9945 		elink_cl45_write(sc, phy,
9946 				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1 << 5));
9947 
9948 		/* Enable clause 73 AN */
9949 		elink_cl45_write(sc, phy,
9950 				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
9951 		elink_cl45_write(sc, phy,
9952 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9953 				 0x0400);
9954 		elink_cl45_write(sc, phy,
9955 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
9956 				 0x0004);
9957 	}
9958 	elink_save_bnx2x_spirom_ver(sc, phy, params->port);
9959 
9960 	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
9961 	 * power mode, if TX Laser is disabled
9962 	 */
9963 
9964 	tx_en_mode = REG_RD(sc, params->shmem_base +
9965 			    offsetof(struct shmem_region,
9966 				dev_info.port_hw_config[params->port].sfp_ctrl))
9967 			& PORT_HW_CFG_TX_LASER_MASK;
9968 
9969 	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9970 		ELINK_DEBUG_P0(sc, "Enabling TXONOFF_PWRDN_DIS");
9971 		elink_cl45_read(sc, phy,
9972 			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
9973 		tmp1 |= 0x1;
9974 		elink_cl45_write(sc, phy,
9975 			MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
9976 	}
9977 
9978 	return ELINK_STATUS_OK;
9979 }
9980 
9981 static uint8_t elink_8706_read_status(struct elink_phy *phy,
9982 				  struct elink_params *params,
9983 				  struct elink_vars *vars)
9984 {
9985 	return elink_8706_8726_read_status(phy, params, vars);
9986 }
9987 
9988 /******************************************************************/
9989 /*			BNX2X8726 PHY SECTION			  */
9990 /******************************************************************/
9991 static void elink_8726_config_loopback(struct elink_phy *phy,
9992 				       struct elink_params *params)
9993 {
9994 	struct bnx2x_softc *sc = params->sc;
9995 	ELINK_DEBUG_P0(sc, "PMA/PMD ext_phy_loopback: 8726");
9996 	elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
9997 }
9998 
9999 static void elink_8726_external_rom_boot(struct elink_phy *phy,
10000 					 struct elink_params *params)
10001 {
10002 	struct bnx2x_softc *sc = params->sc;
10003 	/* Need to wait 100ms after reset */
10004 	DELAY(1000 * 100);
10005 
10006 	/* Micro controller re-boot */
10007 	elink_cl45_write(sc, phy,
10008 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
10009 
10010 	/* Set soft reset */
10011 	elink_cl45_write(sc, phy,
10012 			 MDIO_PMA_DEVAD,
10013 			 MDIO_PMA_REG_GEN_CTRL,
10014 			 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
10015 
10016 	elink_cl45_write(sc, phy,
10017 			 MDIO_PMA_DEVAD,
10018 			 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
10019 
10020 	elink_cl45_write(sc, phy,
10021 			 MDIO_PMA_DEVAD,
10022 			 MDIO_PMA_REG_GEN_CTRL,
10023 			 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
10024 
10025 	/* Wait for 150ms for microcode load */
10026 	DELAY(1000 * 150);
10027 
10028 	/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
10029 	elink_cl45_write(sc, phy,
10030 			 MDIO_PMA_DEVAD,
10031 			 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
10032 
10033 	DELAY(1000 * 200);
10034 	elink_save_bnx2x_spirom_ver(sc, phy, params->port);
10035 }
10036 
10037 static uint8_t elink_8726_read_status(struct elink_phy *phy,
10038 				 struct elink_params *params,
10039 				 struct elink_vars *vars)
10040 {
10041 	struct bnx2x_softc *sc = params->sc;
10042 	uint16_t val1;
10043 	uint8_t link_up = elink_8706_8726_read_status(phy, params, vars);
10044 	if (link_up) {
10045 		elink_cl45_read(sc, phy,
10046 				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
10047 				&val1);
10048 		if (val1 & (1 << 15)) {
10049 			ELINK_DEBUG_P0(sc, "Tx is disabled");
10050 			link_up = 0;
10051 			vars->line_speed = 0;
10052 		}
10053 	}
10054 	return link_up;
10055 }
10056 
10057 
10058 static uint8_t elink_8726_config_init(struct elink_phy *phy,
10059 				  struct elink_params *params,
10060 				  struct elink_vars *vars)
10061 {
10062 	struct bnx2x_softc *sc = params->sc;
10063 	ELINK_DEBUG_P0(sc, "Initializing BNX2X8726");
10064 
10065 	elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1 << 15);
10066 	elink_wait_reset_complete(sc, phy, params);
10067 
10068 	elink_8726_external_rom_boot(phy, params);
10069 
10070 	/* Need to call module detected on initialization since the module
10071 	 * detection triggered by actual module insertion might occur before
10072 	 * driver is loaded, and when driver is loaded, it reset all
10073 	 * registers, including the transmitter
10074 	 */
10075 	elink_sfp_module_detection(phy, params);
10076 
10077 	if (phy->req_line_speed == ELINK_SPEED_1000) {
10078 		ELINK_DEBUG_P0(sc, "Setting 1G force");
10079 		elink_cl45_write(sc, phy,
10080 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
10081 		elink_cl45_write(sc, phy,
10082 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
10083 		elink_cl45_write(sc, phy,
10084 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
10085 		elink_cl45_write(sc, phy,
10086 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
10087 				 0x400);
10088 	} else if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
10089 		   (phy->speed_cap_mask &
10090 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
10091 		   ((phy->speed_cap_mask &
10092 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
10093 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
10094 		ELINK_DEBUG_P0(sc, "Setting 1G clause37");
10095 		/* Set Flow control */
10096 		elink_ext_phy_set_pause(params, phy, vars);
10097 		elink_cl45_write(sc, phy,
10098 				 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
10099 		elink_cl45_write(sc, phy,
10100 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
10101 		elink_cl45_write(sc, phy,
10102 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
10103 		elink_cl45_write(sc, phy,
10104 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
10105 		elink_cl45_write(sc, phy,
10106 				MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
10107 		/* Enable RX-ALARM control to receive interrupt for 1G speed
10108 		 * change
10109 		 */
10110 		elink_cl45_write(sc, phy,
10111 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
10112 		elink_cl45_write(sc, phy,
10113 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
10114 				 0x400);
10115 
10116 	} else { /* Default 10G. Set only LASI control */
10117 		elink_cl45_write(sc, phy,
10118 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
10119 	}
10120 
10121 	/* Set TX PreEmphasis if needed */
10122 	if ((params->feature_config_flags &
10123 	     ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
10124 		ELINK_DEBUG_P2(sc,
10125 		   "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x",
10126 			 phy->tx_preemphasis[0],
10127 			 phy->tx_preemphasis[1]);
10128 		elink_cl45_write(sc, phy,
10129 				 MDIO_PMA_DEVAD,
10130 				 MDIO_PMA_REG_8726_TX_CTRL1,
10131 				 phy->tx_preemphasis[0]);
10132 
10133 		elink_cl45_write(sc, phy,
10134 				 MDIO_PMA_DEVAD,
10135 				 MDIO_PMA_REG_8726_TX_CTRL2,
10136 				 phy->tx_preemphasis[1]);
10137 	}
10138 
10139 	return ELINK_STATUS_OK;
10140 
10141 }
10142 
10143 static void elink_8726_link_reset(struct elink_phy *phy,
10144 				  struct elink_params *params)
10145 {
10146 	struct bnx2x_softc *sc = params->sc;
10147 	ELINK_DEBUG_P1(sc, "elink_8726_link_reset port %d", params->port);
10148 	/* Set serial boot control for external load */
10149 	elink_cl45_write(sc, phy,
10150 			 MDIO_PMA_DEVAD,
10151 			 MDIO_PMA_REG_GEN_CTRL, 0x0001);
10152 }
10153 
10154 /******************************************************************/
10155 /*			BNX2X8727 PHY SECTION			  */
10156 /******************************************************************/
10157 
10158 static void elink_8727_set_link_led(struct elink_phy *phy,
10159 				    struct elink_params *params, uint8_t mode)
10160 {
10161 	struct bnx2x_softc *sc = params->sc;
10162 	uint16_t led_mode_bitmask = 0;
10163 	uint16_t gpio_pins_bitmask = 0;
10164 	uint16_t val;
10165 	/* Only NOC flavor requires to set the LED specifically */
10166 	if (!(phy->flags & ELINK_FLAGS_NOC))
10167 		return;
10168 	switch (mode) {
10169 	case ELINK_LED_MODE_FRONT_PANEL_OFF:
10170 	case ELINK_LED_MODE_OFF:
10171 		led_mode_bitmask = 0;
10172 		gpio_pins_bitmask = 0x03;
10173 		break;
10174 	case ELINK_LED_MODE_ON:
10175 		led_mode_bitmask = 0;
10176 		gpio_pins_bitmask = 0x02;
10177 		break;
10178 	case ELINK_LED_MODE_OPER:
10179 		led_mode_bitmask = 0x60;
10180 		gpio_pins_bitmask = 0x11;
10181 		break;
10182 	}
10183 	elink_cl45_read(sc, phy,
10184 			MDIO_PMA_DEVAD,
10185 			MDIO_PMA_REG_8727_PCS_OPT_CTRL,
10186 			&val);
10187 	val &= 0xff8f;
10188 	val |= led_mode_bitmask;
10189 	elink_cl45_write(sc, phy,
10190 			 MDIO_PMA_DEVAD,
10191 			 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
10192 			 val);
10193 	elink_cl45_read(sc, phy,
10194 			MDIO_PMA_DEVAD,
10195 			MDIO_PMA_REG_8727_GPIO_CTRL,
10196 			&val);
10197 	val &= 0xffe0;
10198 	val |= gpio_pins_bitmask;
10199 	elink_cl45_write(sc, phy,
10200 			 MDIO_PMA_DEVAD,
10201 			 MDIO_PMA_REG_8727_GPIO_CTRL,
10202 			 val);
10203 }
10204 static void elink_8727_hw_reset(__rte_unused struct elink_phy *phy,
10205 				struct elink_params *params) {
10206 	uint32_t swap_val, swap_override;
10207 	uint8_t port;
10208 	/* The PHY reset is controlled by GPIO 1. Fake the port number
10209 	 * to cancel the swap done in set_gpio()
10210 	 */
10211 	struct bnx2x_softc *sc = params->sc;
10212 	swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
10213 	swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
10214 	port = (swap_val && swap_override) ^ 1;
10215 	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
10216 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
10217 }
10218 
10219 static void elink_8727_config_speed(struct elink_phy *phy,
10220 				    struct elink_params *params)
10221 {
10222 	struct bnx2x_softc *sc = params->sc;
10223 	uint16_t tmp1, val;
10224 	/* Set option 1G speed */
10225 	if ((phy->req_line_speed == ELINK_SPEED_1000) ||
10226 	    (phy->media_type == ELINK_ETH_PHY_SFP_1G_FIBER)) {
10227 		ELINK_DEBUG_P0(sc, "Setting 1G force");
10228 		elink_cl45_write(sc, phy,
10229 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
10230 		elink_cl45_write(sc, phy,
10231 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
10232 		elink_cl45_read(sc, phy,
10233 				MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
10234 		ELINK_DEBUG_P1(sc, "1.7 = 0x%x", tmp1);
10235 		/* Power down the XAUI until link is up in case of dual-media
10236 		 * and 1G
10237 		 */
10238 		if (ELINK_DUAL_MEDIA(params)) {
10239 			elink_cl45_read(sc, phy,
10240 					MDIO_PMA_DEVAD,
10241 					MDIO_PMA_REG_8727_PCS_GP, &val);
10242 			val |= (3 << 10);
10243 			elink_cl45_write(sc, phy,
10244 					 MDIO_PMA_DEVAD,
10245 					 MDIO_PMA_REG_8727_PCS_GP, val);
10246 		}
10247 	} else if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
10248 		   ((phy->speed_cap_mask &
10249 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
10250 		   ((phy->speed_cap_mask &
10251 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
10252 		   PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
10253 
10254 		ELINK_DEBUG_P0(sc, "Setting 1G clause37");
10255 		elink_cl45_write(sc, phy,
10256 				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
10257 		elink_cl45_write(sc, phy,
10258 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
10259 	} else {
10260 		/* Since the 8727 has only single reset pin, need to set the 10G
10261 		 * registers although it is default
10262 		 */
10263 		elink_cl45_write(sc, phy,
10264 				 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
10265 				 0x0020);
10266 		elink_cl45_write(sc, phy,
10267 				 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
10268 		elink_cl45_write(sc, phy,
10269 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
10270 		elink_cl45_write(sc, phy,
10271 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
10272 				 0x0008);
10273 	}
10274 }
10275 
10276 static uint8_t elink_8727_config_init(struct elink_phy *phy,
10277 				  struct elink_params *params,
10278 				  __rte_unused struct elink_vars *vars)
10279 {
10280 	uint32_t tx_en_mode;
10281 	uint16_t tmp1, mod_abs, tmp2;
10282 	struct bnx2x_softc *sc = params->sc;
10283 	/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
10284 
10285 	elink_wait_reset_complete(sc, phy, params);
10286 
10287 	ELINK_DEBUG_P0(sc, "Initializing BNX2X8727");
10288 
10289 	elink_8727_specific_func(phy, params, ELINK_PHY_INIT);
10290 	/* Initially configure MOD_ABS to interrupt when module is
10291 	 * presence( bit 8)
10292 	 */
10293 	elink_cl45_read(sc, phy,
10294 			MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
10295 	/* Set EDC off by setting OPTXLOS signal input to low (bit 9).
10296 	 * When the EDC is off it locks onto a reference clock and avoids
10297 	 * becoming 'lost'
10298 	 */
10299 	mod_abs &= ~(1 << 8);
10300 	if (!(phy->flags & ELINK_FLAGS_NOC))
10301 		mod_abs &= ~(1 << 9);
10302 	elink_cl45_write(sc, phy,
10303 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
10304 
10305 	/* Enable/Disable PHY transmitter output */
10306 	elink_set_disable_pmd_transmit(params, phy, 0);
10307 
10308 	elink_8727_power_module(sc, phy, 1);
10309 
10310 	elink_cl45_read(sc, phy,
10311 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
10312 
10313 	elink_cl45_read(sc, phy,
10314 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
10315 
10316 	elink_8727_config_speed(phy, params);
10317 
10318 
10319 	/* Set TX PreEmphasis if needed */
10320 	if ((params->feature_config_flags &
10321 	     ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
10322 		ELINK_DEBUG_P2(sc, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x",
10323 			   phy->tx_preemphasis[0],
10324 			   phy->tx_preemphasis[1]);
10325 		elink_cl45_write(sc, phy,
10326 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
10327 				 phy->tx_preemphasis[0]);
10328 
10329 		elink_cl45_write(sc, phy,
10330 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
10331 				 phy->tx_preemphasis[1]);
10332 	}
10333 
10334 	/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
10335 	 * power mode, if TX Laser is disabled
10336 	 */
10337 	tx_en_mode = REG_RD(sc, params->shmem_base +
10338 			    offsetof(struct shmem_region,
10339 				dev_info.port_hw_config[params->port].sfp_ctrl))
10340 			& PORT_HW_CFG_TX_LASER_MASK;
10341 
10342 	if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
10343 
10344 		ELINK_DEBUG_P0(sc, "Enabling TXONOFF_PWRDN_DIS");
10345 		elink_cl45_read(sc, phy,
10346 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
10347 		tmp2 |= 0x1000;
10348 		tmp2 &= 0xFFEF;
10349 		elink_cl45_write(sc, phy,
10350 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
10351 		elink_cl45_read(sc, phy,
10352 				MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
10353 				&tmp2);
10354 		elink_cl45_write(sc, phy,
10355 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
10356 				 (tmp2 & 0x7fff));
10357 	}
10358 
10359 	return ELINK_STATUS_OK;
10360 }
10361 
10362 static void elink_8727_handle_mod_abs(struct elink_phy *phy,
10363 				      struct elink_params *params)
10364 {
10365 	struct bnx2x_softc *sc = params->sc;
10366 	uint16_t mod_abs, rx_alarm_status;
10367 	uint32_t val = REG_RD(sc, params->shmem_base +
10368 			     offsetof(struct shmem_region, dev_info.
10369 				      port_feature_config[params->port].
10370 				      config));
10371 	elink_cl45_read(sc, phy,
10372 			MDIO_PMA_DEVAD,
10373 			MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
10374 	if (mod_abs & (1 << 8)) {
10375 
10376 		/* Module is absent */
10377 		ELINK_DEBUG_P0(sc,
10378 		   "MOD_ABS indication show module is absent");
10379 		phy->media_type = ELINK_ETH_PHY_NOT_PRESENT;
10380 		/* 1. Set mod_abs to detect next module
10381 		 *    presence event
10382 		 * 2. Set EDC off by setting OPTXLOS signal input to low
10383 		 *    (bit 9).
10384 		 *    When the EDC is off it locks onto a reference clock and
10385 		 *    avoids becoming 'lost'.
10386 		 */
10387 		mod_abs &= ~(1 << 8);
10388 		if (!(phy->flags & ELINK_FLAGS_NOC))
10389 			mod_abs &= ~(1 << 9);
10390 		elink_cl45_write(sc, phy,
10391 				 MDIO_PMA_DEVAD,
10392 				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
10393 
10394 		/* Clear RX alarm since it stays up as long as
10395 		 * the mod_abs wasn't changed
10396 		 */
10397 		elink_cl45_read(sc, phy,
10398 				MDIO_PMA_DEVAD,
10399 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
10400 
10401 	} else {
10402 		/* Module is present */
10403 		ELINK_DEBUG_P0(sc,
10404 		   "MOD_ABS indication show module is present");
10405 		/* First disable transmitter, and if the module is ok, the
10406 		 * module_detection will enable it
10407 		 * 1. Set mod_abs to detect next module absent event ( bit 8)
10408 		 * 2. Restore the default polarity of the OPRXLOS signal and
10409 		 * this signal will then correctly indicate the presence or
10410 		 * absence of the Rx signal. (bit 9)
10411 		 */
10412 		mod_abs |= (1 << 8);
10413 		if (!(phy->flags & ELINK_FLAGS_NOC))
10414 			mod_abs |= (1 << 9);
10415 		elink_cl45_write(sc, phy,
10416 				 MDIO_PMA_DEVAD,
10417 				 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
10418 
10419 		/* Clear RX alarm since it stays up as long as the mod_abs
10420 		 * wasn't changed. This is need to be done before calling the
10421 		 * module detection, otherwise it will clear* the link update
10422 		 * alarm
10423 		 */
10424 		elink_cl45_read(sc, phy,
10425 				MDIO_PMA_DEVAD,
10426 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
10427 
10428 
10429 		if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
10430 		    PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
10431 			elink_sfp_set_transmitter(params, phy, 0);
10432 
10433 		if (elink_wait_for_sfp_module_initialized(phy, params) == 0)
10434 			elink_sfp_module_detection(phy, params);
10435 		else
10436 			ELINK_DEBUG_P0(sc, "SFP+ module is not initialized");
10437 
10438 		/* Reconfigure link speed based on module type limitations */
10439 		elink_8727_config_speed(phy, params);
10440 	}
10441 
10442 	ELINK_DEBUG_P1(sc, "8727 RX_ALARM_STATUS 0x%x",
10443 		   rx_alarm_status);
10444 	/* No need to check link status in case of module plugged in/out */
10445 }
10446 
10447 static uint8_t elink_8727_read_status(struct elink_phy *phy,
10448 				 struct elink_params *params,
10449 				 struct elink_vars *vars)
10450 
10451 {
10452 	struct bnx2x_softc *sc = params->sc;
10453 	uint8_t link_up = 0;
10454 	uint16_t link_status = 0;
10455 	uint16_t rx_alarm_status, lasi_ctrl, val1;
10456 
10457 	/* If PHY is not initialized, do not check link status */
10458 	elink_cl45_read(sc, phy,
10459 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
10460 			&lasi_ctrl);
10461 	if (!lasi_ctrl)
10462 		return 0;
10463 
10464 	/* Check the LASI on Rx */
10465 	elink_cl45_read(sc, phy,
10466 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
10467 			&rx_alarm_status);
10468 	vars->line_speed = 0;
10469 	ELINK_DEBUG_P1(sc, "8727 RX_ALARM_STATUS  0x%x", rx_alarm_status);
10470 
10471 	elink_sfp_mask_fault(sc, phy, MDIO_PMA_LASI_TXSTAT,
10472 			     MDIO_PMA_LASI_TXCTRL);
10473 
10474 	elink_cl45_read(sc, phy,
10475 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
10476 
10477 	ELINK_DEBUG_P1(sc, "8727 LASI status 0x%x", val1);
10478 
10479 	/* Clear MSG-OUT */
10480 	elink_cl45_read(sc, phy,
10481 			MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
10482 
10483 	/* If a module is present and there is need to check
10484 	 * for over current
10485 	 */
10486 	if (!(phy->flags & ELINK_FLAGS_NOC) && !(rx_alarm_status & (1 << 5))) {
10487 		/* Check over-current using 8727 GPIO0 input*/
10488 		elink_cl45_read(sc, phy,
10489 				MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
10490 				&val1);
10491 
10492 		if ((val1 & (1 << 8)) == 0) {
10493 			uint8_t oc_port = params->port;
10494 			if (!CHIP_IS_E1x(sc))
10495 				oc_port = SC_PATH(sc) + (params->port << 1);
10496 			ELINK_DEBUG_P1(sc,
10497 			   "8727 Power fault has been detected on port %d",
10498 			   oc_port);
10499 			elink_cb_event_log(sc, ELINK_LOG_ID_OVER_CURRENT,
10500 					   oc_port);
10501 					/* "Error: Power fault on Port %d has "
10502 					 *  "been detected and the power to "
10503 					 *  "that SFP+ module has been removed "
10504 					 *  "to prevent failure of the card. "
10505 					 *  "Please remove the SFP+ module and "
10506 					 *  "restart the system to clear this "
10507 					 *  "error.",
10508 					 */
10509 			/* Disable all RX_ALARMs except for mod_abs */
10510 			elink_cl45_write(sc, phy,
10511 					 MDIO_PMA_DEVAD,
10512 					 MDIO_PMA_LASI_RXCTRL, (1 << 5));
10513 
10514 			elink_cl45_read(sc, phy,
10515 					MDIO_PMA_DEVAD,
10516 					MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
10517 			/* Wait for module_absent_event */
10518 			val1 |= (1 << 8);
10519 			elink_cl45_write(sc, phy,
10520 					 MDIO_PMA_DEVAD,
10521 					 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
10522 			/* Clear RX alarm */
10523 			elink_cl45_read(sc, phy,
10524 				MDIO_PMA_DEVAD,
10525 				MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
10526 			elink_8727_power_module(params->sc, phy, 0);
10527 			return 0;
10528 		}
10529 	} /* Over current check */
10530 
10531 	/* When module absent bit is set, check module */
10532 	if (rx_alarm_status & (1 << 5)) {
10533 		elink_8727_handle_mod_abs(phy, params);
10534 		/* Enable all mod_abs and link detection bits */
10535 		elink_cl45_write(sc, phy,
10536 				 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
10537 				 ((1 << 5) | (1 << 2)));
10538 	}
10539 
10540 	if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED)) {
10541 		ELINK_DEBUG_P0(sc, "Enabling 8727 TX laser");
10542 		elink_sfp_set_transmitter(params, phy, 1);
10543 	} else {
10544 		ELINK_DEBUG_P0(sc, "Tx is disabled");
10545 		return 0;
10546 	}
10547 
10548 	elink_cl45_read(sc, phy,
10549 			MDIO_PMA_DEVAD,
10550 			MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
10551 
10552 	/* Bits 0..2 --> speed detected,
10553 	 * Bits 13..15--> link is down
10554 	 */
10555 	if ((link_status & (1 << 2)) && (!(link_status & (1 << 15)))) {
10556 		link_up = 1;
10557 		vars->line_speed = ELINK_SPEED_10000;
10558 		ELINK_DEBUG_P1(sc, "port %x: External link up in 10G",
10559 			   params->port);
10560 	} else if ((link_status & (1 << 0)) && (!(link_status & (1 << 13)))) {
10561 		link_up = 1;
10562 		vars->line_speed = ELINK_SPEED_1000;
10563 		ELINK_DEBUG_P1(sc, "port %x: External link up in 1G",
10564 			   params->port);
10565 	} else {
10566 		link_up = 0;
10567 		ELINK_DEBUG_P1(sc, "port %x: External link is down",
10568 			   params->port);
10569 	}
10570 
10571 	/* Capture 10G link fault. */
10572 	if (vars->line_speed == ELINK_SPEED_10000) {
10573 		elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
10574 			    MDIO_PMA_LASI_TXSTAT, &val1);
10575 
10576 		elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
10577 			    MDIO_PMA_LASI_TXSTAT, &val1);
10578 
10579 		if (val1 & (1 << 0)) {
10580 			vars->fault_detected = 1;
10581 		}
10582 	}
10583 
10584 	if (link_up) {
10585 		elink_ext_phy_resolve_fc(phy, params, vars);
10586 		vars->duplex = DUPLEX_FULL;
10587 		ELINK_DEBUG_P1(sc, "duplex = 0x%x", vars->duplex);
10588 	}
10589 
10590 	if ((ELINK_DUAL_MEDIA(params)) &&
10591 	    (phy->req_line_speed == ELINK_SPEED_1000)) {
10592 		elink_cl45_read(sc, phy,
10593 				MDIO_PMA_DEVAD,
10594 				MDIO_PMA_REG_8727_PCS_GP, &val1);
10595 		/* In case of dual-media board and 1G, power up the XAUI side,
10596 		 * otherwise power it down. For 10G it is done automatically
10597 		 */
10598 		if (link_up)
10599 			val1 &= ~(3 << 10);
10600 		else
10601 			val1 |= (3 << 10);
10602 		elink_cl45_write(sc, phy,
10603 				 MDIO_PMA_DEVAD,
10604 				 MDIO_PMA_REG_8727_PCS_GP, val1);
10605 	}
10606 	return link_up;
10607 }
10608 
10609 static void elink_8727_link_reset(struct elink_phy *phy,
10610 				  struct elink_params *params)
10611 {
10612 	struct bnx2x_softc *sc = params->sc;
10613 
10614 	/* Enable/Disable PHY transmitter output */
10615 	elink_set_disable_pmd_transmit(params, phy, 1);
10616 
10617 	/* Disable Transmitter */
10618 	elink_sfp_set_transmitter(params, phy, 0);
10619 	/* Clear LASI */
10620 	elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
10621 
10622 }
10623 
10624 /******************************************************************/
10625 /*		BNX2X8481/BNX2X84823/BNX2X84833 PHY SECTION	          */
10626 /******************************************************************/
10627 static int elink_is_8483x_8485x(struct elink_phy *phy)
10628 {
10629 	return ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84833) ||
10630 		(phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84834) ||
10631 		(phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84858));
10632 }
10633 
10634 static void elink_save_848xx_spirom_version(struct elink_phy *phy,
10635 					    struct bnx2x_softc *sc,
10636 					    uint8_t port)
10637 {
10638 	uint16_t val, fw_ver2, cnt, i;
10639 	static struct elink_reg_set reg_set[] = {
10640 		{MDIO_PMA_DEVAD, 0xA819, 0x0014},
10641 		{MDIO_PMA_DEVAD, 0xA81A, 0xc200},
10642 		{MDIO_PMA_DEVAD, 0xA81B, 0x0000},
10643 		{MDIO_PMA_DEVAD, 0xA81C, 0x0300},
10644 		{MDIO_PMA_DEVAD, 0xA817, 0x0009}
10645 	};
10646 	uint16_t fw_ver1;
10647 
10648 	if (elink_is_8483x_8485x(phy)) {
10649 		elink_cl45_read(sc, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
10650 		elink_save_spirom_version(sc, port, fw_ver1 & 0xfff,
10651 				phy->ver_addr);
10652 	} else {
10653 		/* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
10654 		/* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
10655 		for (i = 0; i < ARRAY_SIZE(reg_set); i++)
10656 			elink_cl45_write(sc, phy, reg_set[i].devad,
10657 					 reg_set[i].reg, reg_set[i].val);
10658 
10659 		for (cnt = 0; cnt < 100; cnt++) {
10660 			elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA818, &val);
10661 			if (val & 1)
10662 				break;
10663 			DELAY(5);
10664 		}
10665 		if (cnt == 100) {
10666 			ELINK_DEBUG_P0(sc, "Unable to read 848xx "
10667 					"phy fw version(1)");
10668 			elink_save_spirom_version(sc, port, 0,
10669 						  phy->ver_addr);
10670 			return;
10671 		}
10672 
10673 
10674 		/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
10675 		elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
10676 		elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
10677 		elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
10678 		for (cnt = 0; cnt < 100; cnt++) {
10679 			elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA818, &val);
10680 			if (val & 1)
10681 				break;
10682 			DELAY(5);
10683 		}
10684 		if (cnt == 100) {
10685 			ELINK_DEBUG_P0(sc, "Unable to read 848xx phy fw "
10686 					"version(2)");
10687 			elink_save_spirom_version(sc, port, 0,
10688 						  phy->ver_addr);
10689 			return;
10690 		}
10691 
10692 		/* lower 16 bits of the register SPI_FW_STATUS */
10693 		elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
10694 		/* upper 16 bits of register SPI_FW_STATUS */
10695 		elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
10696 
10697 		elink_save_spirom_version(sc, port, (fw_ver2 << 16) | fw_ver1,
10698 					  phy->ver_addr);
10699 	}
10700 
10701 }
10702 static void elink_848xx_set_led(struct bnx2x_softc *sc,
10703 				struct elink_phy *phy)
10704 {
10705 	uint16_t val, offset, i;
10706 	static struct elink_reg_set reg_set[] = {
10707 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
10708 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
10709 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
10710 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
10711 		{MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
10712 			MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
10713 		{MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
10714 	};
10715 	/* PHYC_CTL_LED_CTL */
10716 	elink_cl45_read(sc, phy,
10717 			MDIO_PMA_DEVAD,
10718 			MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
10719 	val &= 0xFE00;
10720 	val |= 0x0092;
10721 
10722 	elink_cl45_write(sc, phy,
10723 			 MDIO_PMA_DEVAD,
10724 			 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
10725 
10726 	for (i = 0; i < ARRAY_SIZE(reg_set); i++)
10727 		elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
10728 				 reg_set[i].val);
10729 
10730 	if (elink_is_8483x_8485x(phy))
10731 		offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
10732 	else
10733 		offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
10734 
10735 	/* stretch_en for LED3*/
10736 	elink_cl45_read_or_write(sc, phy,
10737 				 MDIO_PMA_DEVAD, offset,
10738 				 MDIO_PMA_REG_84823_LED3_STRETCH_EN);
10739 }
10740 
10741 static void elink_848xx_specific_func(struct elink_phy *phy,
10742 				      struct elink_params *params,
10743 				      uint32_t action)
10744 {
10745 	struct bnx2x_softc *sc = params->sc;
10746 	switch (action) {
10747 	case ELINK_PHY_INIT:
10748 		if (!elink_is_8483x_8485x(phy)) {
10749 			/* Save spirom version */
10750 			elink_save_848xx_spirom_version(phy, sc, params->port);
10751 		}
10752 		/* This phy uses the NIG latch mechanism since link indication
10753 		 * arrives through its LED4 and not via its LASI signal, so we
10754 		 * get steady signal instead of clear on read
10755 		 */
10756 		elink_bits_en(sc, NIG_REG_LATCH_BC_0 + params->port * 4,
10757 			      1 << ELINK_NIG_LATCH_BC_ENABLE_MI_INT);
10758 
10759 		elink_848xx_set_led(sc, phy);
10760 		break;
10761 	}
10762 }
10763 
10764 static elink_status_t elink_848xx_cmn_config_init(struct elink_phy *phy,
10765 				       struct elink_params *params,
10766 				       struct elink_vars *vars)
10767 {
10768 	struct bnx2x_softc *sc = params->sc;
10769 	uint16_t autoneg_val, an_1000_val, an_10_100_val;
10770 
10771 	elink_848xx_specific_func(phy, params, ELINK_PHY_INIT);
10772 	elink_cl45_write(sc, phy,
10773 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
10774 
10775 	/* set 1000 speed advertisement */
10776 	elink_cl45_read(sc, phy,
10777 			MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
10778 			&an_1000_val);
10779 
10780 	elink_ext_phy_set_pause(params, phy, vars);
10781 	elink_cl45_read(sc, phy,
10782 			MDIO_AN_DEVAD,
10783 			MDIO_AN_REG_8481_LEGACY_AN_ADV,
10784 			&an_10_100_val);
10785 	elink_cl45_read(sc, phy,
10786 			MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
10787 			&autoneg_val);
10788 	/* Disable forced speed */
10789 	autoneg_val &= ~((1 << 6) | (1 << 8) | (1 << 9) | (1 << 12) |
10790 			 (1 << 13));
10791 	an_10_100_val &= ~((1 << 5) | (1 << 6) | (1 << 7) | (1 << 8));
10792 
10793 	if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
10794 	     (phy->speed_cap_mask &
10795 	     PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10796 	    (phy->req_line_speed == ELINK_SPEED_1000)) {
10797 		an_1000_val |= (1 << 8);
10798 		autoneg_val |= (1 << 9 | 1 << 12);
10799 		if (phy->req_duplex == DUPLEX_FULL)
10800 			an_1000_val |= (1 << 9);
10801 		ELINK_DEBUG_P0(sc, "Advertising 1G");
10802 	} else
10803 		an_1000_val &= ~((1 << 8) | (1 << 9));
10804 
10805 	elink_cl45_write(sc, phy,
10806 			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
10807 			 an_1000_val);
10808 
10809 	/* Set 10/100 speed advertisement */
10810 	if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
10811 		if (phy->speed_cap_mask &
10812 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
10813 			/* Enable autoneg and restart autoneg for legacy speeds
10814 			 */
10815 			autoneg_val |= (1 << 9 | 1 << 12);
10816 			an_10_100_val |= (1 << 8);
10817 			ELINK_DEBUG_P0(sc, "Advertising 100M-FD");
10818 		}
10819 
10820 		if (phy->speed_cap_mask &
10821 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
10822 			/* Enable autoneg and restart autoneg for legacy speeds
10823 			 */
10824 			autoneg_val |= (1 << 9 | 1 << 12);
10825 			an_10_100_val |= (1 << 7);
10826 			ELINK_DEBUG_P0(sc, "Advertising 100M-HD");
10827 		}
10828 
10829 		if ((phy->speed_cap_mask &
10830 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
10831 		    (phy->supported & ELINK_SUPPORTED_10baseT_Full)) {
10832 			an_10_100_val |= (1 << 6);
10833 			autoneg_val |= (1 << 9 | 1 << 12);
10834 			ELINK_DEBUG_P0(sc, "Advertising 10M-FD");
10835 		}
10836 
10837 		if ((phy->speed_cap_mask &
10838 		     PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
10839 		    (phy->supported & ELINK_SUPPORTED_10baseT_Half)) {
10840 			an_10_100_val |= (1 << 5);
10841 			autoneg_val |= (1 << 9 | 1 << 12);
10842 			ELINK_DEBUG_P0(sc, "Advertising 10M-HD");
10843 		}
10844 	}
10845 
10846 	/* Only 10/100 are allowed to work in FORCE mode */
10847 	if ((phy->req_line_speed == ELINK_SPEED_100) &&
10848 	    (phy->supported &
10849 	     (ELINK_SUPPORTED_100baseT_Half |
10850 	      ELINK_SUPPORTED_100baseT_Full))) {
10851 		autoneg_val |= (1 << 13);
10852 		/* Enabled AUTO-MDIX when autoneg is disabled */
10853 		elink_cl45_write(sc, phy,
10854 				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
10855 				 (1 << 15 | 1 << 9 | 7 << 0));
10856 		/* The PHY needs this set even for forced link. */
10857 		an_10_100_val |= (1 << 8) | (1 << 7);
10858 		ELINK_DEBUG_P0(sc, "Setting 100M force");
10859 	}
10860 	if ((phy->req_line_speed == ELINK_SPEED_10) &&
10861 	    (phy->supported &
10862 	     (ELINK_SUPPORTED_10baseT_Half |
10863 	      ELINK_SUPPORTED_10baseT_Full))) {
10864 		/* Enabled AUTO-MDIX when autoneg is disabled */
10865 		elink_cl45_write(sc, phy,
10866 				 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
10867 				 (1 << 15 | 1 << 9 | 7 << 0));
10868 		ELINK_DEBUG_P0(sc, "Setting 10M force");
10869 	}
10870 
10871 	elink_cl45_write(sc, phy,
10872 			 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
10873 			 an_10_100_val);
10874 
10875 	if (phy->req_duplex == DUPLEX_FULL)
10876 		autoneg_val |= (1 << 8);
10877 
10878 	/* Always write this if this is not 84833/4.
10879 	 * For 84833/4, write it only when it's a forced speed.
10880 	 */
10881 	if (!elink_is_8483x_8485x(phy) ||
10882 	    ((autoneg_val & (1 << 12)) == 0))
10883 		elink_cl45_write(sc, phy,
10884 			 MDIO_AN_DEVAD,
10885 			 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
10886 
10887 	if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
10888 	     (phy->speed_cap_mask &
10889 	      PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
10890 	    (phy->req_line_speed == ELINK_SPEED_10000)) {
10891 		ELINK_DEBUG_P0(sc, "Advertising 10G");
10892 		/* Restart autoneg for 10G*/
10893 
10894 		elink_cl45_read_or_write(
10895 			sc, phy,
10896 			MDIO_AN_DEVAD,
10897 			MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
10898 			0x1000);
10899 		elink_cl45_write(sc, phy,
10900 				 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
10901 				 0x3200);
10902 	} else
10903 		elink_cl45_write(sc, phy,
10904 				 MDIO_AN_DEVAD,
10905 				 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
10906 				 1);
10907 
10908 	return ELINK_STATUS_OK;
10909 }
10910 
10911 static uint8_t elink_8481_config_init(struct elink_phy *phy,
10912 				  struct elink_params *params,
10913 				  struct elink_vars *vars)
10914 {
10915 	struct bnx2x_softc *sc = params->sc;
10916 	/* Restore normal power mode*/
10917 	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
10918 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
10919 
10920 	/* HW reset */
10921 	elink_ext_phy_hw_reset(sc, params->port);
10922 	elink_wait_reset_complete(sc, phy, params);
10923 
10924 	elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1 << 15);
10925 	return elink_848xx_cmn_config_init(phy, params, vars);
10926 }
10927 
10928 #define PHY848xx_CMDHDLR_WAIT 300
10929 #define PHY848xx_CMDHDLR_MAX_ARGS 5
10930 
10931 static elink_status_t elink_84858_cmd_hdlr(struct elink_phy *phy,
10932 					   struct elink_params *params,
10933 					   uint16_t fw_cmd,
10934 					   uint16_t cmd_args[], int argc)
10935 {
10936 	int idx;
10937 	uint16_t val;
10938 	struct bnx2x_softc *sc = params->sc;
10939 
10940 	/* Step 1: Poll the STATUS register to see whether the previous command
10941 	 * is in progress or the system is busy (CMD_IN_PROGRESS or
10942 	 * SYSTEM_BUSY). If previous command is in progress or system is busy,
10943 	 * check again until the previous command finishes execution and the
10944 	 * system is available for taking command
10945 	 */
10946 
10947 	for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
10948 		elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
10949 				MDIO_848xx_CMD_HDLR_STATUS, &val);
10950 		if ((val != PHY84858_STATUS_CMD_IN_PROGRESS) &&
10951 		    (val != PHY84858_STATUS_CMD_SYSTEM_BUSY))
10952 			break;
10953 		DELAY(1000 * 1);
10954 	}
10955 	if (idx >= PHY848xx_CMDHDLR_WAIT) {
10956 		ELINK_DEBUG_P0(sc, "FW cmd: FW not ready.");
10957 		return ELINK_STATUS_ERROR;
10958 	}
10959 
10960 	/* Step2: If any parameters are required for the function, write them
10961 	 * to the required DATA registers
10962 	 */
10963 
10964 	for (idx = 0; idx < argc; idx++) {
10965 		elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
10966 				 MDIO_848xx_CMD_HDLR_DATA1 + idx,
10967 				 cmd_args[idx]);
10968 	}
10969 
10970 	/* Step3: When the firmware is ready for commands, write the 'Command
10971 	 * code' to the CMD register
10972 	 */
10973 	elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
10974 			 MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
10975 
10976 	/* Step4: Once the command has been written, poll the STATUS register
10977 	 * to check whether the command has completed (CMD_COMPLETED_PASS/
10978 	 * CMD_FOR_CMDS or CMD_COMPLETED_ERROR).
10979 	 */
10980 
10981 	for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
10982 		elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
10983 				MDIO_848xx_CMD_HDLR_STATUS, &val);
10984 		if ((val == PHY84858_STATUS_CMD_COMPLETE_PASS) ||
10985 		    (val == PHY84858_STATUS_CMD_COMPLETE_ERROR))
10986 			break;
10987 		DELAY(1000 * 1);
10988 	}
10989 	if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
10990 	    (val == PHY84858_STATUS_CMD_COMPLETE_ERROR)) {
10991 		ELINK_DEBUG_P0(sc, "FW cmd failed.");
10992 		return ELINK_STATUS_ERROR;
10993 	}
10994 	/* Step5: Once the command has completed, read the specficied DATA
10995 	 * registers for any saved results for the command, if applicable
10996 	 */
10997 
10998 	/* Gather returning data */
10999 	for (idx = 0; idx < argc; idx++) {
11000 		elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
11001 				MDIO_848xx_CMD_HDLR_DATA1 + idx,
11002 				&cmd_args[idx]);
11003 	}
11004 
11005 	return ELINK_STATUS_OK;
11006 }
11007 
11008 static elink_status_t elink_84833_cmd_hdlr(struct elink_phy *phy,
11009 				struct elink_params *params, uint16_t fw_cmd,
11010 				uint16_t cmd_args[], int argc, int process)
11011 {
11012 	int idx;
11013 	uint16_t val;
11014 	struct bnx2x_softc *sc = params->sc;
11015 	elink_status_t rc = ELINK_STATUS_OK;
11016 
11017 	if (process == PHY84833_MB_PROCESS2) {
11018 	/* Write CMD_OPEN_OVERRIDE to STATUS reg */
11019 	elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
11020 				 MDIO_848xx_CMD_HDLR_STATUS,
11021 			PHY84833_STATUS_CMD_OPEN_OVERRIDE);
11022 	}
11023 
11024 	for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
11025 		elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
11026 			       MDIO_848xx_CMD_HDLR_STATUS, &val);
11027 		if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
11028 			break;
11029 		DELAY(1000 * 1);
11030 	}
11031 	if (idx >= PHY848xx_CMDHDLR_WAIT) {
11032 		ELINK_DEBUG_P0(sc, "FW cmd: FW not ready.");
11033 		/* if the status is CMD_COMPLETE_PASS or CMD_COMPLETE_ERROR
11034 		 * clear the status to CMD_CLEAR_COMPLETE
11035 		 */
11036 		if (val == PHY84833_STATUS_CMD_COMPLETE_PASS ||
11037 		    val == PHY84833_STATUS_CMD_COMPLETE_ERROR) {
11038 			elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
11039 					 MDIO_848xx_CMD_HDLR_STATUS,
11040 					 PHY84833_STATUS_CMD_CLEAR_COMPLETE);
11041 		}
11042 		return ELINK_STATUS_ERROR;
11043 	}
11044 	if (process == PHY84833_MB_PROCESS1 ||
11045 	    process == PHY84833_MB_PROCESS2) {
11046 		/* Prepare argument(s) */
11047 	for (idx = 0; idx < argc; idx++) {
11048 		elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
11049 					 MDIO_848xx_CMD_HDLR_DATA1 + idx,
11050 				cmd_args[idx]);
11051 	}
11052 	}
11053 
11054 	/* Issue command */
11055 	elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
11056 			MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
11057 	for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
11058 		elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
11059 			       MDIO_848xx_CMD_HDLR_STATUS, &val);
11060 		if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
11061 			(val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
11062 			break;
11063 		DELAY(1000 * 1);
11064 	}
11065 	if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
11066 		(val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
11067 		ELINK_DEBUG_P0(sc, "FW cmd failed.");
11068 		rc = ELINK_STATUS_ERROR;
11069 	}
11070 	if (process == PHY84833_MB_PROCESS3 && rc == ELINK_STATUS_OK) {
11071 	/* Gather returning data */
11072 	for (idx = 0; idx < argc; idx++) {
11073 		elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
11074 					MDIO_848xx_CMD_HDLR_DATA1 + idx,
11075 				&cmd_args[idx]);
11076 	}
11077 	}
11078 	if (val == PHY84833_STATUS_CMD_COMPLETE_ERROR ||
11079 	    val == PHY84833_STATUS_CMD_COMPLETE_PASS) {
11080 	elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
11081 				 MDIO_848xx_CMD_HDLR_STATUS,
11082 			PHY84833_STATUS_CMD_CLEAR_COMPLETE);
11083 	}
11084 	return rc;
11085 }
11086 
11087 static elink_status_t elink_848xx_cmd_hdlr(struct elink_phy *phy,
11088 					   struct elink_params *params,
11089 					   uint16_t fw_cmd,
11090 					   uint16_t cmd_args[], int argc,
11091 					   int process)
11092 {
11093 	struct bnx2x_softc *sc = params->sc;
11094 
11095 	if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84858) ||
11096 	    (REG_RD(sc, params->shmem2_base +
11097 		    offsetof(struct shmem2_region,
11098 			     link_attr_sync[params->port])) &
11099 			     LINK_ATTR_84858)) {
11100 		return elink_84858_cmd_hdlr(phy, params, fw_cmd, cmd_args,
11101 					    argc);
11102 	} else {
11103 		return elink_84833_cmd_hdlr(phy, params, fw_cmd, cmd_args,
11104 					    argc, process);
11105 	}
11106 }
11107 
11108 static elink_status_t elink_848xx_pair_swap_cfg(struct elink_phy *phy,
11109 				   struct elink_params *params,
11110 				   __rte_unused struct elink_vars *vars)
11111 {
11112 	uint32_t pair_swap;
11113 	uint16_t data[PHY848xx_CMDHDLR_MAX_ARGS];
11114 	elink_status_t status;
11115 	struct bnx2x_softc *sc = params->sc;
11116 
11117 	/* Check for configuration. */
11118 	pair_swap = REG_RD(sc, params->shmem_base +
11119 			   offsetof(struct shmem_region,
11120 			dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
11121 		PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
11122 
11123 	if (pair_swap == 0)
11124 		return ELINK_STATUS_OK;
11125 
11126 	/* Only the second argument is used for this command */
11127 	data[1] = (uint16_t)pair_swap;
11128 
11129 	status = elink_848xx_cmd_hdlr(phy, params,
11130 				      PHY848xx_CMD_SET_PAIR_SWAP, data,
11131 				      2, PHY84833_MB_PROCESS2);
11132 	if (status == ELINK_STATUS_OK)
11133 		ELINK_DEBUG_P1(sc, "Pairswap OK, val=0x%x", data[1]);
11134 
11135 	return status;
11136 }
11137 
11138 static uint8_t elink_84833_get_reset_gpios(struct bnx2x_softc *sc,
11139 				      uint32_t shmem_base_path[],
11140 				      __rte_unused uint32_t chip_id)
11141 {
11142 	uint32_t reset_pin[2];
11143 	uint32_t idx;
11144 	uint8_t reset_gpios;
11145 	if (CHIP_IS_E3(sc)) {
11146 		/* Assume that these will be GPIOs, not EPIOs. */
11147 		for (idx = 0; idx < 2; idx++) {
11148 			/* Map config param to register bit. */
11149 			reset_pin[idx] = REG_RD(sc, shmem_base_path[idx] +
11150 				offsetof(struct shmem_region,
11151 				dev_info.port_hw_config[0].e3_cmn_pin_cfg));
11152 			reset_pin[idx] = (reset_pin[idx] &
11153 				PORT_HW_CFG_E3_PHY_RESET_MASK) >>
11154 				PORT_HW_CFG_E3_PHY_RESET_SHIFT;
11155 			reset_pin[idx] -= PIN_CFG_GPIO0_P0;
11156 			reset_pin[idx] = (1 << reset_pin[idx]);
11157 		}
11158 		reset_gpios = (uint8_t)(reset_pin[0] | reset_pin[1]);
11159 	} else {
11160 		/* E2, look from diff place of shmem. */
11161 		for (idx = 0; idx < 2; idx++) {
11162 			reset_pin[idx] = REG_RD(sc, shmem_base_path[idx] +
11163 				offsetof(struct shmem_region,
11164 				dev_info.port_hw_config[0].default_cfg));
11165 			reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
11166 			reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
11167 			reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
11168 			reset_pin[idx] = (1 << reset_pin[idx]);
11169 		}
11170 		reset_gpios = (uint8_t)(reset_pin[0] | reset_pin[1]);
11171 	}
11172 
11173 	return reset_gpios;
11174 }
11175 
11176 static void elink_84833_hw_reset_phy(struct elink_phy *phy,
11177 				struct elink_params *params)
11178 {
11179 	struct bnx2x_softc *sc = params->sc;
11180 	uint8_t reset_gpios;
11181 	uint32_t other_shmem_base_addr = REG_RD(sc, params->shmem2_base +
11182 				offsetof(struct shmem2_region,
11183 				other_shmem_base_addr));
11184 
11185 	uint32_t shmem_base_path[2];
11186 
11187 	/* Work around for 84833 LED failure inside RESET status */
11188 	elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
11189 		MDIO_AN_REG_8481_LEGACY_MII_CTRL,
11190 		MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
11191 	elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
11192 		MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
11193 		MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
11194 
11195 	shmem_base_path[0] = params->shmem_base;
11196 	shmem_base_path[1] = other_shmem_base_addr;
11197 
11198 	reset_gpios = elink_84833_get_reset_gpios(sc, shmem_base_path,
11199 						  params->chip_id);
11200 
11201 	elink_cb_gpio_mult_write(sc, reset_gpios,
11202 				 MISC_REGISTERS_GPIO_OUTPUT_LOW);
11203 	DELAY(10);
11204 	ELINK_DEBUG_P1(sc, "84833 hw reset on pin values 0x%x",
11205 		reset_gpios);
11206 }
11207 
11208 static elink_status_t elink_8483x_disable_eee(struct elink_phy *phy,
11209 				   struct elink_params *params,
11210 				   struct elink_vars *vars)
11211 {
11212 	elink_status_t rc;
11213 	struct bnx2x_softc *sc = params->sc;
11214 	uint16_t cmd_args = 0;
11215 
11216 	ELINK_DEBUG_P0(sc, "Don't Advertise 10GBase-T EEE");
11217 
11218 	/* Prevent Phy from working in EEE and advertising it */
11219 	rc = elink_848xx_cmd_hdlr(phy, params, PHY848xx_CMD_SET_EEE_MODE,
11220 				  &cmd_args, 1, PHY84833_MB_PROCESS1);
11221 	if (rc != ELINK_STATUS_OK) {
11222 		ELINK_DEBUG_P0(sc, "EEE disable failed.");
11223 		return rc;
11224 	}
11225 
11226 	return elink_eee_disable(phy, params, vars);
11227 }
11228 
11229 static elink_status_t elink_8483x_enable_eee(struct elink_phy *phy,
11230 				   struct elink_params *params,
11231 				   struct elink_vars *vars)
11232 {
11233 	elink_status_t rc;
11234 	struct bnx2x_softc *sc = params->sc;
11235 	uint16_t cmd_args = 1;
11236 
11237 	rc = elink_848xx_cmd_hdlr(phy, params, PHY848xx_CMD_SET_EEE_MODE,
11238 				  &cmd_args, 1, PHY84833_MB_PROCESS1);
11239 	if (rc != ELINK_STATUS_OK) {
11240 		ELINK_DEBUG_P0(sc, "EEE enable failed.");
11241 		return rc;
11242 	}
11243 
11244 	return elink_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
11245 }
11246 
11247 #define PHY84833_CONSTANT_LATENCY 1193
11248 static uint8_t elink_848x3_config_init(struct elink_phy *phy,
11249 				   struct elink_params *params,
11250 				   struct elink_vars *vars)
11251 {
11252 	struct bnx2x_softc *sc = params->sc;
11253 	uint8_t port, initialize = 1;
11254 	uint16_t val;
11255 	uint32_t actual_phy_selection;
11256 	uint16_t cmd_args[PHY848xx_CMDHDLR_MAX_ARGS];
11257 	elink_status_t rc = ELINK_STATUS_OK;
11258 
11259 	DELAY(1000 * 1);
11260 
11261 	if (!(CHIP_IS_E1x(sc)))
11262 		port = SC_PATH(sc);
11263 	else
11264 		port = params->port;
11265 
11266 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84823) {
11267 		elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_3,
11268 			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
11269 			       port);
11270 	} else {
11271 		/* MDIO reset */
11272 		elink_cl45_write(sc, phy,
11273 				MDIO_PMA_DEVAD,
11274 				MDIO_PMA_REG_CTRL, 0x8000);
11275 	}
11276 
11277 	elink_wait_reset_complete(sc, phy, params);
11278 
11279 	/* Wait for GPHY to come out of reset */
11280 	DELAY(1000 * 50);
11281 	if (!elink_is_8483x_8485x(phy)) {
11282 		/* BNX2X84823 requires that XGXS links up first @ 10G for normal
11283 		 * behavior.
11284 		 */
11285 		uint16_t temp;
11286 		temp = vars->line_speed;
11287 		vars->line_speed = ELINK_SPEED_10000;
11288 		elink_set_autoneg(&params->phy[ELINK_INT_PHY], params, vars, 0);
11289 		elink_program_serdes(&params->phy[ELINK_INT_PHY], params, vars);
11290 		vars->line_speed = temp;
11291 	}
11292 	/* Check if this is actually BNX2X84858 */
11293 	if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84858) {
11294 		uint16_t hw_rev;
11295 
11296 		elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
11297 				MDIO_AN_REG_848xx_ID_MSB, &hw_rev);
11298 		if (hw_rev == BNX2X84858_PHY_ID) {
11299 			params->link_attr_sync |= LINK_ATTR_84858;
11300 			elink_update_link_attr(params, params->link_attr_sync);
11301 		}
11302 	}
11303 
11304 	/* Set dual-media configuration according to configuration */
11305 	elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
11306 			MDIO_CTL_REG_84823_MEDIA, &val);
11307 	val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
11308 		 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
11309 		 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
11310 		 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
11311 		 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
11312 
11313 	if (CHIP_IS_E3(sc)) {
11314 		val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
11315 			 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
11316 	} else {
11317 		val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
11318 			MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
11319 	}
11320 
11321 	actual_phy_selection = elink_phy_selection(params);
11322 
11323 	switch (actual_phy_selection) {
11324 	case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
11325 		/* Do nothing. Essentially this is like the priority copper */
11326 		break;
11327 	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
11328 		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
11329 		break;
11330 	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
11331 		val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
11332 		break;
11333 	case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
11334 		/* Do nothing here. The first PHY won't be initialized at all */
11335 		break;
11336 	case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
11337 		val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
11338 		initialize = 0;
11339 		break;
11340 	}
11341 	if (params->phy[ELINK_EXT_PHY2].req_line_speed == ELINK_SPEED_1000)
11342 		val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
11343 
11344 	elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
11345 			 MDIO_CTL_REG_84823_MEDIA, val);
11346 	ELINK_DEBUG_P2(sc, "Multi_phy config = 0x%x, Media control = 0x%x",
11347 		   params->multi_phy_config, val);
11348 
11349 	if (elink_is_8483x_8485x(phy)) {
11350 		elink_848xx_pair_swap_cfg(phy, params, vars);
11351 
11352 		/* Keep AutogrEEEn disabled. */
11353 		cmd_args[0] = 0x0;
11354 		cmd_args[1] = 0x0;
11355 		cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
11356 		cmd_args[3] = PHY84833_CONSTANT_LATENCY;
11357 		rc = elink_848xx_cmd_hdlr(phy, params,
11358 					  PHY848xx_CMD_SET_EEE_MODE, cmd_args,
11359 					  4, PHY84833_MB_PROCESS1);
11360 		if (rc != ELINK_STATUS_OK)
11361 			ELINK_DEBUG_P0(sc, "Cfg AutogrEEEn failed.");
11362 	}
11363 	if (initialize)
11364 		rc = elink_848xx_cmn_config_init(phy, params, vars);
11365 	else
11366 		elink_save_848xx_spirom_version(phy, sc, params->port);
11367 	/* 84833 PHY has a better feature and doesn't need to support this. */
11368 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84823) {
11369 		uint32_t cms_enable = REG_RD(sc, params->shmem_base +
11370 			offsetof(struct shmem_region,
11371 			dev_info.port_hw_config[params->port].default_cfg)) &
11372 			PORT_HW_CFG_ENABLE_CMS_MASK;
11373 
11374 		elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
11375 				MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
11376 		if (cms_enable)
11377 			val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
11378 		else
11379 			val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
11380 		elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
11381 				 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
11382 	}
11383 
11384 	elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
11385 			MDIO_84833_TOP_CFG_FW_REV, &val);
11386 
11387 	/* Configure EEE support */
11388 	if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
11389 	    (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
11390 	    elink_eee_has_cap(params)) {
11391 		rc = elink_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
11392 		if (rc != ELINK_STATUS_OK) {
11393 			ELINK_DEBUG_P0(sc, "Failed to configure EEE timers");
11394 			elink_8483x_disable_eee(phy, params, vars);
11395 			return rc;
11396 		}
11397 
11398 		if ((phy->req_duplex == DUPLEX_FULL) &&
11399 		    (params->eee_mode & ELINK_EEE_MODE_ADV_LPI) &&
11400 		    (elink_eee_calc_timer(params) ||
11401 		     !(params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI)))
11402 			rc = elink_8483x_enable_eee(phy, params, vars);
11403 		else
11404 			rc = elink_8483x_disable_eee(phy, params, vars);
11405 		if (rc != ELINK_STATUS_OK) {
11406 			ELINK_DEBUG_P0(sc, "Failed to set EEE advertisement");
11407 			return rc;
11408 		}
11409 	} else {
11410 		vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
11411 	}
11412 
11413 	if (elink_is_8483x_8485x(phy)) {
11414 		/* Bring PHY out of super isolate mode as the final step. */
11415 		elink_cl45_read_and_write(sc, phy,
11416 					  MDIO_CTL_DEVAD,
11417 					  MDIO_84833_TOP_CFG_XGPHY_STRAP1,
11418 					  (uint16_t)~MDIO_84833_SUPER_ISOLATE);
11419 	}
11420 	return rc;
11421 }
11422 
11423 static uint8_t elink_848xx_read_status(struct elink_phy *phy,
11424 				  struct elink_params *params,
11425 				  struct elink_vars *vars)
11426 {
11427 	struct bnx2x_softc *sc = params->sc;
11428 	uint16_t val, val1, val2;
11429 	uint8_t link_up = 0;
11430 
11431 
11432 	/* Check 10G-BaseT link status */
11433 	/* Check PMD signal ok */
11434 	elink_cl45_read(sc, phy,
11435 			MDIO_AN_DEVAD, 0xFFFA, &val1);
11436 	elink_cl45_read(sc, phy,
11437 			MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
11438 			&val2);
11439 	ELINK_DEBUG_P1(sc, "BNX2X848xx: PMD_SIGNAL 1.a811 = 0x%x", val2);
11440 
11441 	/* Check link 10G */
11442 	if (val2 & (1 << 11)) {
11443 		vars->line_speed = ELINK_SPEED_10000;
11444 		vars->duplex = DUPLEX_FULL;
11445 		link_up = 1;
11446 		elink_ext_phy_10G_an_resolve(sc, phy, vars);
11447 	} else { /* Check Legacy speed link */
11448 		uint16_t legacy_status, legacy_speed;
11449 
11450 		/* Enable expansion register 0x42 (Operation mode status) */
11451 		elink_cl45_write(sc, phy,
11452 				 MDIO_AN_DEVAD,
11453 				 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
11454 
11455 		/* Get legacy speed operation status */
11456 		elink_cl45_read(sc, phy,
11457 				MDIO_AN_DEVAD,
11458 				MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
11459 				&legacy_status);
11460 
11461 		ELINK_DEBUG_P1(sc, "Legacy speed status = 0x%x",
11462 		   legacy_status);
11463 		link_up = ((legacy_status & (1 << 11)) == (1 << 11));
11464 		legacy_speed = (legacy_status & (3 << 9));
11465 		if (legacy_speed == (0 << 9))
11466 			vars->line_speed = ELINK_SPEED_10;
11467 		else if (legacy_speed == (1 << 9))
11468 			vars->line_speed = ELINK_SPEED_100;
11469 		else if (legacy_speed == (2 << 9))
11470 			vars->line_speed = ELINK_SPEED_1000;
11471 		else { /* Should not happen: Treat as link down */
11472 			vars->line_speed = 0;
11473 			link_up = 0;
11474 		}
11475 
11476 		if (params->feature_config_flags &
11477 			ELINK_FEATURE_CONFIG_IEEE_PHY_TEST) {
11478 			uint16_t mii_ctrl;
11479 
11480 			elink_cl45_read(sc, phy,
11481 					MDIO_AN_DEVAD,
11482 					MDIO_AN_REG_8481_LEGACY_MII_CTRL,
11483 					&mii_ctrl);
11484 			/* For IEEE testing, check for a fake link. */
11485 			link_up |= ((mii_ctrl & 0x3040) == 0x40);
11486 		}
11487 
11488 		if (link_up) {
11489 			if (legacy_status & (1 << 8))
11490 				vars->duplex = DUPLEX_FULL;
11491 			else
11492 				vars->duplex = DUPLEX_HALF;
11493 
11494 			ELINK_DEBUG_P2(sc,
11495 			   "Link is up in %dMbps, is_duplex_full= %d",
11496 			   vars->line_speed,
11497 			   (vars->duplex == DUPLEX_FULL));
11498 			/* Check legacy speed AN resolution */
11499 			elink_cl45_read(sc, phy,
11500 					MDIO_AN_DEVAD,
11501 					MDIO_AN_REG_8481_LEGACY_MII_STATUS,
11502 					&val);
11503 			if (val & (1 << 5))
11504 				vars->link_status |=
11505 					LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
11506 			elink_cl45_read(sc, phy,
11507 					MDIO_AN_DEVAD,
11508 					MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
11509 					&val);
11510 			if ((val & (1 << 0)) == 0)
11511 				vars->link_status |=
11512 					LINK_STATUS_PARALLEL_DETECTION_USED;
11513 		}
11514 	}
11515 	if (link_up) {
11516 		ELINK_DEBUG_P1(sc, "BNX2X848x3: link speed is %d",
11517 			   vars->line_speed);
11518 		elink_ext_phy_resolve_fc(phy, params, vars);
11519 
11520 		/* Read LP advertised speeds */
11521 		elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
11522 				MDIO_AN_REG_CL37_FC_LP, &val);
11523 		if (val & (1 << 5))
11524 			vars->link_status |=
11525 				LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
11526 		if (val & (1 << 6))
11527 			vars->link_status |=
11528 				LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
11529 		if (val & (1 << 7))
11530 			vars->link_status |=
11531 				LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
11532 		if (val & (1 << 8))
11533 			vars->link_status |=
11534 				LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
11535 		if (val & (1 << 9))
11536 			vars->link_status |=
11537 				LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
11538 
11539 		elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
11540 				MDIO_AN_REG_1000T_STATUS, &val);
11541 
11542 		if (val & (1 << 10))
11543 			vars->link_status |=
11544 				LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
11545 		if (val & (1 << 11))
11546 			vars->link_status |=
11547 				LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
11548 
11549 		elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
11550 				MDIO_AN_REG_MASTER_STATUS, &val);
11551 
11552 		if (val & (1 << 11))
11553 			vars->link_status |=
11554 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
11555 
11556 		/* Determine if EEE was negotiated */
11557 		if (elink_is_8483x_8485x(phy))
11558 			elink_eee_an_resolve(phy, params, vars);
11559 	}
11560 
11561 	return link_up;
11562 }
11563 
11564 static elink_status_t elink_848xx_format_ver(uint32_t raw_ver, uint8_t *str,
11565 					     uint16_t *len)
11566 {
11567 	elink_status_t status = ELINK_STATUS_OK;
11568 	uint32_t spirom_ver;
11569 	spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
11570 	status = elink_format_ver(spirom_ver, str, len);
11571 	return status;
11572 }
11573 
11574 static void elink_8481_hw_reset(__rte_unused struct elink_phy *phy,
11575 				struct elink_params *params)
11576 {
11577 	elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_1,
11578 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
11579 	elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_1,
11580 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
11581 }
11582 
11583 static void elink_8481_link_reset(struct elink_phy *phy,
11584 					struct elink_params *params)
11585 {
11586 	elink_cl45_write(params->sc, phy,
11587 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
11588 	elink_cl45_write(params->sc, phy,
11589 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
11590 }
11591 
11592 static void elink_848x3_link_reset(struct elink_phy *phy,
11593 				   struct elink_params *params)
11594 {
11595 	struct bnx2x_softc *sc = params->sc;
11596 	uint8_t port;
11597 	uint16_t val16;
11598 
11599 	if (!(CHIP_IS_E1x(sc)))
11600 		port = SC_PATH(sc);
11601 	else
11602 		port = params->port;
11603 
11604 	if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84823) {
11605 		elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_3,
11606 			       MISC_REGISTERS_GPIO_OUTPUT_LOW,
11607 			       port);
11608 	} else {
11609 		elink_cl45_read(sc, phy,
11610 				MDIO_CTL_DEVAD,
11611 				MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
11612 		val16 |= MDIO_84833_SUPER_ISOLATE;
11613 		elink_cl45_write(sc, phy,
11614 				 MDIO_CTL_DEVAD,
11615 				 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
11616 	}
11617 }
11618 
11619 static void elink_848xx_set_link_led(struct elink_phy *phy,
11620 				     struct elink_params *params, uint8_t mode)
11621 {
11622 	struct bnx2x_softc *sc = params->sc;
11623 	uint16_t val;
11624 	uint8_t port;
11625 
11626 	if (!(CHIP_IS_E1x(sc)))
11627 		port = SC_PATH(sc);
11628 	else
11629 		port = params->port;
11630 	switch (mode) {
11631 	case ELINK_LED_MODE_OFF:
11632 
11633 		ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE OFF", port);
11634 
11635 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
11636 		    SHARED_HW_CFG_LED_EXTPHY1) {
11637 
11638 			/* Set LED masks */
11639 			elink_cl45_write(sc, phy,
11640 					MDIO_PMA_DEVAD,
11641 					MDIO_PMA_REG_8481_LED1_MASK,
11642 					0x0);
11643 
11644 			elink_cl45_write(sc, phy,
11645 					MDIO_PMA_DEVAD,
11646 					MDIO_PMA_REG_8481_LED2_MASK,
11647 					0x0);
11648 
11649 			elink_cl45_write(sc, phy,
11650 					MDIO_PMA_DEVAD,
11651 					MDIO_PMA_REG_8481_LED3_MASK,
11652 					0x0);
11653 
11654 			elink_cl45_write(sc, phy,
11655 					MDIO_PMA_DEVAD,
11656 					MDIO_PMA_REG_8481_LED5_MASK,
11657 					0x0);
11658 
11659 		} else {
11660 			elink_cl45_write(sc, phy,
11661 					 MDIO_PMA_DEVAD,
11662 					 MDIO_PMA_REG_8481_LED1_MASK,
11663 					 0x0);
11664 		}
11665 		break;
11666 	case ELINK_LED_MODE_FRONT_PANEL_OFF:
11667 
11668 		ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE FRONT PANEL OFF",
11669 		   port);
11670 
11671 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
11672 		    SHARED_HW_CFG_LED_EXTPHY1) {
11673 
11674 			/* Set LED masks */
11675 			elink_cl45_write(sc, phy,
11676 					 MDIO_PMA_DEVAD,
11677 					 MDIO_PMA_REG_8481_LED1_MASK,
11678 					 0x0);
11679 
11680 			elink_cl45_write(sc, phy,
11681 					 MDIO_PMA_DEVAD,
11682 					 MDIO_PMA_REG_8481_LED2_MASK,
11683 					 0x0);
11684 
11685 			elink_cl45_write(sc, phy,
11686 					 MDIO_PMA_DEVAD,
11687 					 MDIO_PMA_REG_8481_LED3_MASK,
11688 					 0x0);
11689 
11690 			elink_cl45_write(sc, phy,
11691 					 MDIO_PMA_DEVAD,
11692 					 MDIO_PMA_REG_8481_LED5_MASK,
11693 					 0x20);
11694 
11695 		} else {
11696 			elink_cl45_write(sc, phy,
11697 					 MDIO_PMA_DEVAD,
11698 					 MDIO_PMA_REG_8481_LED1_MASK,
11699 					 0x0);
11700 			if (phy->type ==
11701 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84834) {
11702 				/* Disable MI_INT interrupt before setting LED4
11703 				 * source to constant off.
11704 				 */
11705 				if (REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 +
11706 					   params->port * 4) &
11707 				    ELINK_NIG_MASK_MI_INT) {
11708 					params->link_flags |=
11709 					ELINK_LINK_FLAGS_INT_DISABLED;
11710 
11711 					elink_bits_dis(
11712 						sc,
11713 						NIG_REG_MASK_INTERRUPT_PORT0 +
11714 						params->port * 4,
11715 						ELINK_NIG_MASK_MI_INT);
11716 				}
11717 				elink_cl45_write(sc, phy,
11718 						 MDIO_PMA_DEVAD,
11719 						 MDIO_PMA_REG_8481_SIGNAL_MASK,
11720 						 0x0);
11721 			}
11722 		}
11723 		break;
11724 	case ELINK_LED_MODE_ON:
11725 
11726 		ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE ON", port);
11727 
11728 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
11729 		    SHARED_HW_CFG_LED_EXTPHY1) {
11730 			/* Set control reg */
11731 			elink_cl45_read(sc, phy,
11732 					MDIO_PMA_DEVAD,
11733 					MDIO_PMA_REG_8481_LINK_SIGNAL,
11734 					&val);
11735 			val &= 0x8000;
11736 			val |= 0x2492;
11737 
11738 			elink_cl45_write(sc, phy,
11739 					 MDIO_PMA_DEVAD,
11740 					 MDIO_PMA_REG_8481_LINK_SIGNAL,
11741 					 val);
11742 
11743 			/* Set LED masks */
11744 			elink_cl45_write(sc, phy,
11745 					 MDIO_PMA_DEVAD,
11746 					 MDIO_PMA_REG_8481_LED1_MASK,
11747 					 0x0);
11748 
11749 			elink_cl45_write(sc, phy,
11750 					 MDIO_PMA_DEVAD,
11751 					 MDIO_PMA_REG_8481_LED2_MASK,
11752 					 0x20);
11753 
11754 			elink_cl45_write(sc, phy,
11755 					 MDIO_PMA_DEVAD,
11756 					 MDIO_PMA_REG_8481_LED3_MASK,
11757 					 0x20);
11758 
11759 			elink_cl45_write(sc, phy,
11760 					 MDIO_PMA_DEVAD,
11761 					 MDIO_PMA_REG_8481_LED5_MASK,
11762 					 0x0);
11763 		} else {
11764 			elink_cl45_write(sc, phy,
11765 					 MDIO_PMA_DEVAD,
11766 					 MDIO_PMA_REG_8481_LED1_MASK,
11767 					 0x20);
11768 			if (phy->type ==
11769 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84834) {
11770 				/* Disable MI_INT interrupt before setting LED4
11771 				 * source to constant on.
11772 				 */
11773 				if (REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 +
11774 					   params->port * 4) &
11775 				    ELINK_NIG_MASK_MI_INT) {
11776 					params->link_flags |=
11777 					ELINK_LINK_FLAGS_INT_DISABLED;
11778 
11779 					elink_bits_dis(
11780 						sc,
11781 						NIG_REG_MASK_INTERRUPT_PORT0 +
11782 						params->port * 4,
11783 						ELINK_NIG_MASK_MI_INT);
11784 				}
11785 				elink_cl45_write(sc, phy,
11786 						 MDIO_PMA_DEVAD,
11787 						 MDIO_PMA_REG_8481_SIGNAL_MASK,
11788 						 0x20);
11789 			}
11790 		}
11791 		break;
11792 
11793 	case ELINK_LED_MODE_OPER:
11794 
11795 		ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE OPER", port);
11796 
11797 		if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
11798 		    SHARED_HW_CFG_LED_EXTPHY1) {
11799 
11800 			/* Set control reg */
11801 			elink_cl45_read(sc, phy,
11802 					MDIO_PMA_DEVAD,
11803 					MDIO_PMA_REG_8481_LINK_SIGNAL,
11804 					&val);
11805 
11806 			if (!((val &
11807 			       MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
11808 			  >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
11809 				ELINK_DEBUG_P0(sc, "Setting LINK_SIGNAL");
11810 				elink_cl45_write(sc, phy,
11811 						 MDIO_PMA_DEVAD,
11812 						 MDIO_PMA_REG_8481_LINK_SIGNAL,
11813 						 0xa492);
11814 			}
11815 
11816 			/* Set LED masks */
11817 			elink_cl45_write(sc, phy,
11818 					 MDIO_PMA_DEVAD,
11819 					 MDIO_PMA_REG_8481_LED1_MASK,
11820 					 0x10);
11821 
11822 			elink_cl45_write(sc, phy,
11823 					 MDIO_PMA_DEVAD,
11824 					 MDIO_PMA_REG_8481_LED2_MASK,
11825 					 0x80);
11826 
11827 			elink_cl45_write(sc, phy,
11828 					 MDIO_PMA_DEVAD,
11829 					 MDIO_PMA_REG_8481_LED3_MASK,
11830 					 0x98);
11831 
11832 			elink_cl45_write(sc, phy,
11833 					 MDIO_PMA_DEVAD,
11834 					 MDIO_PMA_REG_8481_LED5_MASK,
11835 					 0x40);
11836 
11837 		} else {
11838 			/* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
11839 			 * sources are all wired through LED1, rather than only
11840 			 * 10G in other modes.
11841 			 */
11842 			val = ((params->hw_led_mode <<
11843 				SHARED_HW_CFG_LED_MODE_SHIFT) ==
11844 			       SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
11845 
11846 			elink_cl45_write(sc, phy,
11847 					 MDIO_PMA_DEVAD,
11848 					 MDIO_PMA_REG_8481_LED1_MASK,
11849 					 val);
11850 
11851 			/* Tell LED3 to blink on source */
11852 			elink_cl45_read(sc, phy,
11853 					MDIO_PMA_DEVAD,
11854 					MDIO_PMA_REG_8481_LINK_SIGNAL,
11855 					&val);
11856 			val &= ~(7 << 6);
11857 			val |= (1 << 6); /* A83B[8:6]= 1 */
11858 			elink_cl45_write(sc, phy,
11859 					 MDIO_PMA_DEVAD,
11860 					 MDIO_PMA_REG_8481_LINK_SIGNAL,
11861 					 val);
11862 			if (phy->type ==
11863 			    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84834) {
11864 				/* Restore LED4 source to external link,
11865 				 * and re-enable interrupts.
11866 				 */
11867 				elink_cl45_write(sc, phy,
11868 						 MDIO_PMA_DEVAD,
11869 						 MDIO_PMA_REG_8481_SIGNAL_MASK,
11870 						 0x40);
11871 				if (params->link_flags &
11872 				    ELINK_LINK_FLAGS_INT_DISABLED) {
11873 					elink_link_int_enable(params);
11874 					params->link_flags &=
11875 						~ELINK_LINK_FLAGS_INT_DISABLED;
11876 				}
11877 			}
11878 		}
11879 		break;
11880 	}
11881 
11882 	/* This is a workaround for E3 + 84833 until autoneg
11883 	 * restart is fixed in f/w
11884 	 */
11885 	if (CHIP_IS_E3(sc)) {
11886 		elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
11887 				MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
11888 	}
11889 }
11890 
11891 /******************************************************************/
11892 /*			54618SE PHY SECTION			  */
11893 /******************************************************************/
11894 static void elink_54618se_specific_func(struct elink_phy *phy,
11895 					struct elink_params *params,
11896 					uint32_t action)
11897 {
11898 	struct bnx2x_softc *sc = params->sc;
11899 	uint16_t temp;
11900 	switch (action) {
11901 	case ELINK_PHY_INIT:
11902 		/* Configure LED4: set to INTR (0x6). */
11903 		/* Accessing shadow register 0xe. */
11904 		elink_cl22_write(sc, phy,
11905 				 MDIO_REG_GPHY_SHADOW,
11906 				 MDIO_REG_GPHY_SHADOW_LED_SEL2);
11907 		elink_cl22_read(sc, phy,
11908 				MDIO_REG_GPHY_SHADOW,
11909 				&temp);
11910 		temp &= ~(0xf << 4);
11911 		temp |= (0x6 << 4);
11912 		elink_cl22_write(sc, phy,
11913 				 MDIO_REG_GPHY_SHADOW,
11914 				 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
11915 		/* Configure INTR based on link status change. */
11916 		elink_cl22_write(sc, phy,
11917 				 MDIO_REG_INTR_MASK,
11918 				 ~MDIO_REG_INTR_MASK_LINK_STATUS);
11919 		break;
11920 	}
11921 }
11922 
11923 static uint8_t elink_54618se_config_init(struct elink_phy *phy,
11924 					       struct elink_params *params,
11925 					       struct elink_vars *vars)
11926 {
11927 	struct bnx2x_softc *sc = params->sc;
11928 	uint8_t port;
11929 	uint16_t autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
11930 	uint32_t cfg_pin;
11931 
11932 	ELINK_DEBUG_P0(sc, "54618SE cfg init");
11933 	DELAY(1000 * 1);
11934 
11935 	/* This works with E3 only, no need to check the chip
11936 	 * before determining the port.
11937 	 */
11938 	port = params->port;
11939 
11940 	cfg_pin = (REG_RD(sc, params->shmem_base +
11941 			offsetof(struct shmem_region,
11942 			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
11943 			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
11944 			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
11945 
11946 	/* Drive pin high to bring the GPHY out of reset. */
11947 	elink_set_cfg_pin(sc, cfg_pin, 1);
11948 
11949 	/* wait for GPHY to reset */
11950 	DELAY(1000 * 50);
11951 
11952 	/* reset phy */
11953 	elink_cl22_write(sc, phy,
11954 			 MDIO_PMA_REG_CTRL, 0x8000);
11955 	elink_wait_reset_complete(sc, phy, params);
11956 
11957 	/* Wait for GPHY to reset */
11958 	DELAY(1000 * 50);
11959 
11960 
11961 	elink_54618se_specific_func(phy, params, ELINK_PHY_INIT);
11962 	/* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
11963 	elink_cl22_write(sc, phy,
11964 			MDIO_REG_GPHY_SHADOW,
11965 			MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
11966 	elink_cl22_read(sc, phy,
11967 			MDIO_REG_GPHY_SHADOW,
11968 			&temp);
11969 	temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
11970 	elink_cl22_write(sc, phy,
11971 			MDIO_REG_GPHY_SHADOW,
11972 			MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
11973 
11974 	/* Set up fc */
11975 	/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
11976 	elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
11977 	fc_val = 0;
11978 	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
11979 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
11980 		fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
11981 
11982 	if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
11983 			MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
11984 		fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
11985 
11986 	/* Read all advertisement */
11987 	elink_cl22_read(sc, phy,
11988 			0x09,
11989 			&an_1000_val);
11990 
11991 	elink_cl22_read(sc, phy,
11992 			0x04,
11993 			&an_10_100_val);
11994 
11995 	elink_cl22_read(sc, phy,
11996 			MDIO_PMA_REG_CTRL,
11997 			&autoneg_val);
11998 
11999 	/* Disable forced speed */
12000 	autoneg_val &= ~((1 << 6) | (1 << 8) | (1 << 9) | (1 << 12) |
12001 			 (1 << 13));
12002 	an_10_100_val &= ~((1 << 5) | (1 << 6) | (1 << 7) | (1 << 8) |
12003 			   (1 << 10) | (1 << 11));
12004 
12005 	if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
12006 			(phy->speed_cap_mask &
12007 			PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
12008 			(phy->req_line_speed == ELINK_SPEED_1000)) {
12009 		an_1000_val |= (1 << 8);
12010 		autoneg_val |= (1 << 9 | 1 << 12);
12011 		if (phy->req_duplex == DUPLEX_FULL)
12012 			an_1000_val |= (1 << 9);
12013 		ELINK_DEBUG_P0(sc, "Advertising 1G");
12014 	} else
12015 		an_1000_val &= ~((1 << 8) | (1 << 9));
12016 
12017 	elink_cl22_write(sc, phy,
12018 			0x09,
12019 			an_1000_val);
12020 	elink_cl22_read(sc, phy,
12021 			0x09,
12022 			&an_1000_val);
12023 
12024 	/* Advertise 10/100 link speed */
12025 	if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
12026 		if (phy->speed_cap_mask &
12027 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
12028 			an_10_100_val |= (1 << 5);
12029 			autoneg_val |= (1 << 9 | 1 << 12);
12030 			ELINK_DEBUG_P0(sc, "Advertising 10M-HD");
12031 		}
12032 		if (phy->speed_cap_mask &
12033 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
12034 			an_10_100_val |= (1 << 6);
12035 			autoneg_val |= (1 << 9 | 1 << 12);
12036 			ELINK_DEBUG_P0(sc, "Advertising 10M-FD");
12037 		}
12038 		if (phy->speed_cap_mask &
12039 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
12040 			an_10_100_val |= (1 << 7);
12041 			autoneg_val |= (1 << 9 | 1 << 12);
12042 			ELINK_DEBUG_P0(sc, "Advertising 100M-HD");
12043 		}
12044 		if (phy->speed_cap_mask &
12045 		    PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
12046 			an_10_100_val |= (1 << 8);
12047 			autoneg_val |= (1 << 9 | 1 << 12);
12048 			ELINK_DEBUG_P0(sc, "Advertising 100M-FD");
12049 		}
12050 	}
12051 
12052 	/* Only 10/100 are allowed to work in FORCE mode */
12053 	if (phy->req_line_speed == ELINK_SPEED_100) {
12054 		autoneg_val |= (1 << 13);
12055 		/* Enabled AUTO-MDIX when autoneg is disabled */
12056 		elink_cl22_write(sc, phy,
12057 				0x18,
12058 				(1 << 15 | 1 << 9 | 7 << 0));
12059 		ELINK_DEBUG_P0(sc, "Setting 100M force");
12060 	}
12061 	if (phy->req_line_speed == ELINK_SPEED_10) {
12062 		/* Enabled AUTO-MDIX when autoneg is disabled */
12063 		elink_cl22_write(sc, phy,
12064 				0x18,
12065 				(1 << 15 | 1 << 9 | 7 << 0));
12066 		ELINK_DEBUG_P0(sc, "Setting 10M force");
12067 	}
12068 
12069 	if ((phy->flags & ELINK_FLAGS_EEE) && elink_eee_has_cap(params)) {
12070 		elink_status_t rc;
12071 
12072 		elink_cl22_write(sc, phy, MDIO_REG_GPHY_EXP_ACCESS,
12073 				 MDIO_REG_GPHY_EXP_ACCESS_TOP |
12074 				 MDIO_REG_GPHY_EXP_TOP_2K_BUF);
12075 		elink_cl22_read(sc, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
12076 		temp &= 0xfffe;
12077 		elink_cl22_write(sc, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
12078 
12079 		rc = elink_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
12080 		if (rc != ELINK_STATUS_OK) {
12081 			ELINK_DEBUG_P0(sc, "Failed to configure EEE timers");
12082 			elink_eee_disable(phy, params, vars);
12083 		} else if ((params->eee_mode & ELINK_EEE_MODE_ADV_LPI) &&
12084 			   (phy->req_duplex == DUPLEX_FULL) &&
12085 			   (elink_eee_calc_timer(params) ||
12086 			    !(params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI))) {
12087 			/* Need to advertise EEE only when requested,
12088 			 * and either no LPI assertion was requested,
12089 			 * or it was requested and a valid timer was set.
12090 			 * Also notice full duplex is required for EEE.
12091 			 */
12092 			elink_eee_advertise(phy, params, vars,
12093 					    SHMEM_EEE_1G_ADV);
12094 		} else {
12095 			ELINK_DEBUG_P0(sc, "Don't Advertise 1GBase-T EEE");
12096 			elink_eee_disable(phy, params, vars);
12097 		}
12098 	} else {
12099 		vars->eee_status &= ((uint32_t)(~SHMEM_EEE_1G_ADV) <<
12100 				    SHMEM_EEE_SUPPORTED_SHIFT);
12101 
12102 		if (phy->flags & ELINK_FLAGS_EEE) {
12103 			/* Handle legacy auto-grEEEn */
12104 			if (params->feature_config_flags &
12105 			    ELINK_FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
12106 				temp = 6;
12107 				ELINK_DEBUG_P0(sc, "Enabling Auto-GrEEEn");
12108 			} else {
12109 				temp = 0;
12110 				ELINK_DEBUG_P0(sc, "Don't Adv. EEE");
12111 			}
12112 			elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
12113 					 MDIO_AN_REG_EEE_ADV, temp);
12114 		}
12115 	}
12116 
12117 	elink_cl22_write(sc, phy,
12118 			0x04,
12119 			an_10_100_val | fc_val);
12120 
12121 	if (phy->req_duplex == DUPLEX_FULL)
12122 		autoneg_val |= (1 << 8);
12123 
12124 	elink_cl22_write(sc, phy,
12125 			MDIO_PMA_REG_CTRL, autoneg_val);
12126 
12127 	return ELINK_STATUS_OK;
12128 }
12129 
12130 
12131 static void elink_5461x_set_link_led(struct elink_phy *phy,
12132 				     struct elink_params *params, uint8_t mode)
12133 {
12134 	struct bnx2x_softc *sc = params->sc;
12135 	uint16_t temp;
12136 
12137 	elink_cl22_write(sc, phy,
12138 		MDIO_REG_GPHY_SHADOW,
12139 		MDIO_REG_GPHY_SHADOW_LED_SEL1);
12140 	elink_cl22_read(sc, phy,
12141 		MDIO_REG_GPHY_SHADOW,
12142 		&temp);
12143 	temp &= 0xff00;
12144 
12145 	ELINK_DEBUG_P1(sc, "54618x set link led (mode=%x)", mode);
12146 	switch (mode) {
12147 	case ELINK_LED_MODE_FRONT_PANEL_OFF:
12148 	case ELINK_LED_MODE_OFF:
12149 		temp |= 0x00ee;
12150 		break;
12151 	case ELINK_LED_MODE_OPER:
12152 		temp |= 0x0001;
12153 		break;
12154 	case ELINK_LED_MODE_ON:
12155 		temp |= 0x00ff;
12156 		break;
12157 	default:
12158 		break;
12159 	}
12160 	elink_cl22_write(sc, phy,
12161 		MDIO_REG_GPHY_SHADOW,
12162 		MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
12163 	return;
12164 }
12165 
12166 
12167 static void elink_54618se_link_reset(struct elink_phy *phy,
12168 				     struct elink_params *params)
12169 {
12170 	struct bnx2x_softc *sc = params->sc;
12171 	uint32_t cfg_pin;
12172 	uint8_t port;
12173 
12174 	/* In case of no EPIO routed to reset the GPHY, put it
12175 	 * in low power mode.
12176 	 */
12177 	elink_cl22_write(sc, phy, MDIO_PMA_REG_CTRL, 0x800);
12178 	/* This works with E3 only, no need to check the chip
12179 	 * before determining the port.
12180 	 */
12181 	port = params->port;
12182 	cfg_pin = (REG_RD(sc, params->shmem_base +
12183 			offsetof(struct shmem_region,
12184 			dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
12185 			PORT_HW_CFG_E3_PHY_RESET_MASK) >>
12186 			PORT_HW_CFG_E3_PHY_RESET_SHIFT;
12187 
12188 	/* Drive pin low to put GPHY in reset. */
12189 	elink_set_cfg_pin(sc, cfg_pin, 0);
12190 }
12191 
12192 static uint8_t elink_54618se_read_status(struct elink_phy *phy,
12193 				    struct elink_params *params,
12194 				    struct elink_vars *vars)
12195 {
12196 	struct bnx2x_softc *sc = params->sc;
12197 	uint16_t val;
12198 	uint8_t link_up = 0;
12199 	uint16_t legacy_status, legacy_speed;
12200 
12201 	/* Get speed operation status */
12202 	elink_cl22_read(sc, phy,
12203 			MDIO_REG_GPHY_AUX_STATUS,
12204 			&legacy_status);
12205 	ELINK_DEBUG_P1(sc, "54618SE read_status: 0x%x", legacy_status);
12206 
12207 	/* Read status to clear the PHY interrupt. */
12208 	elink_cl22_read(sc, phy,
12209 			MDIO_REG_INTR_STATUS,
12210 			&val);
12211 
12212 	link_up = ((legacy_status & (1 << 2)) == (1 << 2));
12213 
12214 	if (link_up) {
12215 		legacy_speed = (legacy_status & (7 << 8));
12216 		if (legacy_speed == (7 << 8)) {
12217 			vars->line_speed = ELINK_SPEED_1000;
12218 			vars->duplex = DUPLEX_FULL;
12219 		} else if (legacy_speed == (6 << 8)) {
12220 			vars->line_speed = ELINK_SPEED_1000;
12221 			vars->duplex = DUPLEX_HALF;
12222 		} else if (legacy_speed == (5 << 8)) {
12223 			vars->line_speed = ELINK_SPEED_100;
12224 			vars->duplex = DUPLEX_FULL;
12225 		}
12226 		/* Omitting 100Base-T4 for now */
12227 		else if (legacy_speed == (3 << 8)) {
12228 			vars->line_speed = ELINK_SPEED_100;
12229 			vars->duplex = DUPLEX_HALF;
12230 		} else if (legacy_speed == (2 << 8)) {
12231 			vars->line_speed = ELINK_SPEED_10;
12232 			vars->duplex = DUPLEX_FULL;
12233 		} else if (legacy_speed == (1 << 8)) {
12234 			vars->line_speed = ELINK_SPEED_10;
12235 			vars->duplex = DUPLEX_HALF;
12236 		} else /* Should not happen */
12237 			vars->line_speed = 0;
12238 
12239 		ELINK_DEBUG_P2(sc,
12240 		   "Link is up in %dMbps, is_duplex_full= %d",
12241 		   vars->line_speed,
12242 		   (vars->duplex == DUPLEX_FULL));
12243 
12244 		/* Check legacy speed AN resolution */
12245 		elink_cl22_read(sc, phy,
12246 				0x01,
12247 				&val);
12248 		if (val & (1 << 5))
12249 			vars->link_status |=
12250 				LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
12251 		elink_cl22_read(sc, phy,
12252 				0x06,
12253 				&val);
12254 		if ((val & (1 << 0)) == 0)
12255 			vars->link_status |=
12256 				LINK_STATUS_PARALLEL_DETECTION_USED;
12257 
12258 		ELINK_DEBUG_P1(sc, "BNX2X4618SE: link speed is %d",
12259 			   vars->line_speed);
12260 
12261 		elink_ext_phy_resolve_fc(phy, params, vars);
12262 
12263 		if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
12264 			/* Report LP advertised speeds */
12265 			elink_cl22_read(sc, phy, 0x5, &val);
12266 
12267 			if (val & (1 << 5))
12268 				vars->link_status |=
12269 				  LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
12270 			if (val & (1 << 6))
12271 				vars->link_status |=
12272 				  LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
12273 			if (val & (1 << 7))
12274 				vars->link_status |=
12275 				  LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
12276 			if (val & (1 << 8))
12277 				vars->link_status |=
12278 				  LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
12279 			if (val & (1 << 9))
12280 				vars->link_status |=
12281 				  LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
12282 
12283 			elink_cl22_read(sc, phy, 0xa, &val);
12284 			if (val & (1 << 10))
12285 				vars->link_status |=
12286 				  LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
12287 			if (val & (1 << 11))
12288 				vars->link_status |=
12289 				  LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
12290 
12291 			if ((phy->flags & ELINK_FLAGS_EEE) &&
12292 			    elink_eee_has_cap(params))
12293 				elink_eee_an_resolve(phy, params, vars);
12294 		}
12295 	}
12296 	return link_up;
12297 }
12298 
12299 static void elink_54618se_config_loopback(struct elink_phy *phy,
12300 					  struct elink_params *params)
12301 {
12302 	struct bnx2x_softc *sc = params->sc;
12303 	uint16_t val;
12304 	uint32_t umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
12305 
12306 	ELINK_DEBUG_P0(sc, "2PMA/PMD ext_phy_loopback: 54618se");
12307 
12308 	/* Enable master/slave manual mmode and set to master */
12309 	/* mii write 9 [bits set 11 12] */
12310 	elink_cl22_write(sc, phy, 0x09, 3 << 11);
12311 
12312 	/* forced 1G and disable autoneg */
12313 	/* set val [mii read 0] */
12314 	/* set val [expr $val & [bits clear 6 12 13]] */
12315 	/* set val [expr $val | [bits set 6 8]] */
12316 	/* mii write 0 $val */
12317 	elink_cl22_read(sc, phy, 0x00, &val);
12318 	val &= ~((1 << 6) | (1 << 12) | (1 << 13));
12319 	val |= (1 << 6) | (1 << 8);
12320 	elink_cl22_write(sc, phy, 0x00, val);
12321 
12322 	/* Set external loopback and Tx using 6dB coding */
12323 	/* mii write 0x18 7 */
12324 	/* set val [mii read 0x18] */
12325 	/* mii write 0x18 [expr $val | [bits set 10 15]] */
12326 	elink_cl22_write(sc, phy, 0x18, 7);
12327 	elink_cl22_read(sc, phy, 0x18, &val);
12328 	elink_cl22_write(sc, phy, 0x18, val | (1 << 10) | (1 << 15));
12329 
12330 	/* This register opens the gate for the UMAC despite its name */
12331 	REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port * 4, 1);
12332 
12333 	/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
12334 	 * length used by the MAC receive logic to check frames.
12335 	 */
12336 	REG_WR(sc, umac_base + UMAC_REG_MAXFR, 0x2710);
12337 }
12338 
12339 /******************************************************************/
12340 /*			SFX7101 PHY SECTION			  */
12341 /******************************************************************/
12342 static void elink_7101_config_loopback(struct elink_phy *phy,
12343 				       struct elink_params *params)
12344 {
12345 	struct bnx2x_softc *sc = params->sc;
12346 	/* SFX7101_XGXS_TEST1 */
12347 	elink_cl45_write(sc, phy,
12348 			 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
12349 }
12350 
12351 static uint8_t elink_7101_config_init(struct elink_phy *phy,
12352 				  struct elink_params *params,
12353 				  struct elink_vars *vars)
12354 {
12355 	uint16_t fw_ver1, fw_ver2, val;
12356 	struct bnx2x_softc *sc = params->sc;
12357 	ELINK_DEBUG_P0(sc, "Setting the SFX7101 LASI indication");
12358 
12359 	/* Restore normal power mode*/
12360 	elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
12361 		       MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
12362 	/* HW reset */
12363 	elink_ext_phy_hw_reset(sc, params->port);
12364 	elink_wait_reset_complete(sc, phy, params);
12365 
12366 	elink_cl45_write(sc, phy,
12367 			 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
12368 	ELINK_DEBUG_P0(sc, "Setting the SFX7101 LED to blink on traffic");
12369 	elink_cl45_write(sc, phy,
12370 			 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1 << 3));
12371 
12372 	elink_ext_phy_set_pause(params, phy, vars);
12373 	/* Restart autoneg */
12374 	elink_cl45_read(sc, phy,
12375 			MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
12376 	val |= 0x200;
12377 	elink_cl45_write(sc, phy,
12378 			 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
12379 
12380 	/* Save spirom version */
12381 	elink_cl45_read(sc, phy,
12382 			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
12383 
12384 	elink_cl45_read(sc, phy,
12385 			MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
12386 	elink_save_spirom_version(sc, params->port,
12387 				  (uint32_t)(fw_ver1 << 16 | fw_ver2),
12388 				  phy->ver_addr);
12389 	return ELINK_STATUS_OK;
12390 }
12391 
12392 static uint8_t elink_7101_read_status(struct elink_phy *phy,
12393 				 struct elink_params *params,
12394 				 struct elink_vars *vars)
12395 {
12396 	struct bnx2x_softc *sc = params->sc;
12397 	uint8_t link_up;
12398 	uint16_t val1, val2;
12399 	elink_cl45_read(sc, phy,
12400 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
12401 	elink_cl45_read(sc, phy,
12402 			MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
12403 	ELINK_DEBUG_P2(sc, "10G-base-T LASI status 0x%x->0x%x",
12404 		   val2, val1);
12405 	elink_cl45_read(sc, phy,
12406 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
12407 	elink_cl45_read(sc, phy,
12408 			MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
12409 	ELINK_DEBUG_P2(sc, "10G-base-T PMA status 0x%x->0x%x",
12410 		   val2, val1);
12411 	link_up = ((val1 & 4) == 4);
12412 	/* If link is up print the AN outcome of the SFX7101 PHY */
12413 	if (link_up) {
12414 		elink_cl45_read(sc, phy,
12415 				MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
12416 				&val2);
12417 		vars->line_speed = ELINK_SPEED_10000;
12418 		vars->duplex = DUPLEX_FULL;
12419 		ELINK_DEBUG_P2(sc, "SFX7101 AN status 0x%x->Master=%x",
12420 			   val2, (val2 & (1 << 14)));
12421 		elink_ext_phy_10G_an_resolve(sc, phy, vars);
12422 		elink_ext_phy_resolve_fc(phy, params, vars);
12423 
12424 		/* Read LP advertised speeds */
12425 		if (val2 & (1 << 11))
12426 			vars->link_status |=
12427 				LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
12428 	}
12429 	return link_up;
12430 }
12431 
12432 static elink_status_t elink_7101_format_ver(uint32_t spirom_ver, uint8_t *str,
12433 					    uint16_t *len)
12434 {
12435 	if (*len < 5)
12436 		return ELINK_STATUS_ERROR;
12437 	str[0] = (spirom_ver & 0xFF);
12438 	str[1] = (spirom_ver & 0xFF00) >> 8;
12439 	str[2] = (spirom_ver & 0xFF0000) >> 16;
12440 	str[3] = (spirom_ver & 0xFF000000) >> 24;
12441 	str[4] = '\0';
12442 	*len -= 5;
12443 	return ELINK_STATUS_OK;
12444 }
12445 
12446 void elink_sfx7101_sp_sw_reset(struct bnx2x_softc *sc, struct elink_phy *phy)
12447 {
12448 	uint16_t val, cnt;
12449 
12450 	elink_cl45_read(sc, phy,
12451 			MDIO_PMA_DEVAD,
12452 			MDIO_PMA_REG_7101_RESET, &val);
12453 
12454 	for (cnt = 0; cnt < 10; cnt++) {
12455 		DELAY(1000 * 50);
12456 		/* Writes a self-clearing reset */
12457 		elink_cl45_write(sc, phy,
12458 				 MDIO_PMA_DEVAD,
12459 				 MDIO_PMA_REG_7101_RESET,
12460 				 (val | (1 << 15)));
12461 		/* Wait for clear */
12462 		elink_cl45_read(sc, phy,
12463 				MDIO_PMA_DEVAD,
12464 				MDIO_PMA_REG_7101_RESET, &val);
12465 
12466 		if ((val & (1 << 15)) == 0)
12467 			break;
12468 	}
12469 }
12470 
12471 static void elink_7101_hw_reset(__rte_unused struct elink_phy *phy,
12472 				struct elink_params *params) {
12473 	/* Low power mode is controlled by GPIO 2 */
12474 	elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_2,
12475 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
12476 	/* The PHY reset is controlled by GPIO 1 */
12477 	elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_1,
12478 		       MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
12479 }
12480 
12481 static void elink_7101_set_link_led(struct elink_phy *phy,
12482 				    struct elink_params *params, uint8_t mode)
12483 {
12484 	uint16_t val = 0;
12485 	struct bnx2x_softc *sc = params->sc;
12486 	switch (mode) {
12487 	case ELINK_LED_MODE_FRONT_PANEL_OFF:
12488 	case ELINK_LED_MODE_OFF:
12489 		val = 2;
12490 		break;
12491 	case ELINK_LED_MODE_ON:
12492 		val = 1;
12493 		break;
12494 	case ELINK_LED_MODE_OPER:
12495 		val = 0;
12496 		break;
12497 	}
12498 	elink_cl45_write(sc, phy,
12499 			 MDIO_PMA_DEVAD,
12500 			 MDIO_PMA_REG_7107_LINK_LED_CNTL,
12501 			 val);
12502 }
12503 
12504 /******************************************************************/
12505 /*			STATIC PHY DECLARATION			  */
12506 /******************************************************************/
12507 
12508 static const struct elink_phy phy_null = {
12509 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
12510 	.addr		= 0,
12511 	.def_md_devad	= 0,
12512 	.flags		= ELINK_FLAGS_INIT_XGXS_FIRST,
12513 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12514 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12515 	.mdio_ctrl	= 0,
12516 	.supported	= 0,
12517 	.media_type	= ELINK_ETH_PHY_NOT_PRESENT,
12518 	.ver_addr	= 0,
12519 	.req_flow_ctrl	= 0,
12520 	.req_line_speed	= 0,
12521 	.speed_cap_mask	= 0,
12522 	.req_duplex	= 0,
12523 	.rsrv		= 0,
12524 	.config_init	= (config_init_t)NULL,
12525 	.read_status	= (read_status_t)NULL,
12526 	.link_reset	= (link_reset_t)NULL,
12527 	.config_loopback = (config_loopback_t)NULL,
12528 	.format_fw_ver	= (format_fw_ver_t)NULL,
12529 	.hw_reset	= (hw_reset_t)NULL,
12530 	.set_link_led	= (set_link_led_t)NULL,
12531 	.phy_specific_func = (phy_specific_func_t)NULL
12532 };
12533 
12534 static const struct elink_phy phy_serdes = {
12535 	.type		= PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
12536 	.addr		= 0xff,
12537 	.def_md_devad	= 0,
12538 	.flags		= 0,
12539 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12540 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12541 	.mdio_ctrl	= 0,
12542 	.supported	= (ELINK_SUPPORTED_10baseT_Half |
12543 			   ELINK_SUPPORTED_10baseT_Full |
12544 			   ELINK_SUPPORTED_100baseT_Half |
12545 			   ELINK_SUPPORTED_100baseT_Full |
12546 			   ELINK_SUPPORTED_1000baseT_Full |
12547 			   ELINK_SUPPORTED_2500baseX_Full |
12548 			   ELINK_SUPPORTED_TP |
12549 			   ELINK_SUPPORTED_Autoneg |
12550 			   ELINK_SUPPORTED_Pause |
12551 			   ELINK_SUPPORTED_Asym_Pause),
12552 	.media_type	= ELINK_ETH_PHY_BASE_T,
12553 	.ver_addr	= 0,
12554 	.req_flow_ctrl	= 0,
12555 	.req_line_speed	= 0,
12556 	.speed_cap_mask	= 0,
12557 	.req_duplex	= 0,
12558 	.rsrv		= 0,
12559 	.config_init	= (config_init_t)elink_xgxs_config_init,
12560 	.read_status	= (read_status_t)elink_link_settings_status,
12561 	.link_reset	= (link_reset_t)elink_int_link_reset,
12562 	.config_loopback = (config_loopback_t)NULL,
12563 	.format_fw_ver	= (format_fw_ver_t)NULL,
12564 	.hw_reset	= (hw_reset_t)NULL,
12565 	.set_link_led	= (set_link_led_t)NULL,
12566 	.phy_specific_func = (phy_specific_func_t)NULL
12567 };
12568 
12569 static const struct elink_phy phy_xgxs = {
12570 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
12571 	.addr		= 0xff,
12572 	.def_md_devad	= 0,
12573 	.flags		= 0,
12574 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12575 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12576 	.mdio_ctrl	= 0,
12577 	.supported	= (ELINK_SUPPORTED_10baseT_Half |
12578 			   ELINK_SUPPORTED_10baseT_Full |
12579 			   ELINK_SUPPORTED_100baseT_Half |
12580 			   ELINK_SUPPORTED_100baseT_Full |
12581 			   ELINK_SUPPORTED_1000baseT_Full |
12582 			   ELINK_SUPPORTED_2500baseX_Full |
12583 			   ELINK_SUPPORTED_10000baseT_Full |
12584 			   ELINK_SUPPORTED_FIBRE |
12585 			   ELINK_SUPPORTED_Autoneg |
12586 			   ELINK_SUPPORTED_Pause |
12587 			   ELINK_SUPPORTED_Asym_Pause),
12588 	.media_type	= ELINK_ETH_PHY_CX4,
12589 	.ver_addr	= 0,
12590 	.req_flow_ctrl	= 0,
12591 	.req_line_speed	= 0,
12592 	.speed_cap_mask	= 0,
12593 	.req_duplex	= 0,
12594 	.rsrv		= 0,
12595 	.config_init	= (config_init_t)elink_xgxs_config_init,
12596 	.read_status	= (read_status_t)elink_link_settings_status,
12597 	.link_reset	= (link_reset_t)elink_int_link_reset,
12598 	.config_loopback = (config_loopback_t)elink_set_xgxs_loopback,
12599 	.format_fw_ver	= (format_fw_ver_t)NULL,
12600 	.hw_reset	= (hw_reset_t)NULL,
12601 	.set_link_led	= (set_link_led_t)NULL,
12602 	.phy_specific_func = (phy_specific_func_t)elink_xgxs_specific_func
12603 };
12604 static const struct elink_phy phy_warpcore = {
12605 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
12606 	.addr		= 0xff,
12607 	.def_md_devad	= 0,
12608 	.flags		= ELINK_FLAGS_TX_ERROR_CHECK,
12609 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12610 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12611 	.mdio_ctrl	= 0,
12612 	.supported	= (ELINK_SUPPORTED_10baseT_Half |
12613 			   ELINK_SUPPORTED_10baseT_Full |
12614 			   ELINK_SUPPORTED_100baseT_Half |
12615 			   ELINK_SUPPORTED_100baseT_Full |
12616 			   ELINK_SUPPORTED_1000baseT_Full |
12617 			   ELINK_SUPPORTED_1000baseKX_Full |
12618 			   ELINK_SUPPORTED_10000baseT_Full |
12619 			   ELINK_SUPPORTED_10000baseKR_Full |
12620 			   ELINK_SUPPORTED_20000baseKR2_Full |
12621 			   ELINK_SUPPORTED_20000baseMLD2_Full |
12622 			   ELINK_SUPPORTED_FIBRE |
12623 			   ELINK_SUPPORTED_Autoneg |
12624 			   ELINK_SUPPORTED_Pause |
12625 			   ELINK_SUPPORTED_Asym_Pause),
12626 	.media_type	= ELINK_ETH_PHY_UNSPECIFIED,
12627 	.ver_addr	= 0,
12628 	.req_flow_ctrl	= 0,
12629 	.req_line_speed	= 0,
12630 	.speed_cap_mask	= 0,
12631 	/* req_duplex = */0,
12632 	/* rsrv = */0,
12633 	.config_init	= (config_init_t)elink_warpcore_config_init,
12634 	.read_status	= (read_status_t)elink_warpcore_read_status,
12635 	.link_reset	= (link_reset_t)elink_warpcore_link_reset,
12636 	.config_loopback = (config_loopback_t)elink_set_warpcore_loopback,
12637 	.format_fw_ver	= (format_fw_ver_t)NULL,
12638 	.hw_reset	= (hw_reset_t)elink_warpcore_hw_reset,
12639 	.set_link_led	= (set_link_led_t)NULL,
12640 	.phy_specific_func = (phy_specific_func_t)NULL
12641 };
12642 
12643 
12644 static const struct elink_phy phy_7101 = {
12645 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
12646 	.addr		= 0xff,
12647 	.def_md_devad	= 0,
12648 	.flags		= ELINK_FLAGS_FAN_FAILURE_DET_REQ,
12649 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12650 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12651 	.mdio_ctrl	= 0,
12652 	.supported	= (ELINK_SUPPORTED_10000baseT_Full |
12653 			   ELINK_SUPPORTED_TP |
12654 			   ELINK_SUPPORTED_Autoneg |
12655 			   ELINK_SUPPORTED_Pause |
12656 			   ELINK_SUPPORTED_Asym_Pause),
12657 	.media_type	= ELINK_ETH_PHY_BASE_T,
12658 	.ver_addr	= 0,
12659 	.req_flow_ctrl	= 0,
12660 	.req_line_speed	= 0,
12661 	.speed_cap_mask	= 0,
12662 	.req_duplex	= 0,
12663 	.rsrv		= 0,
12664 	.config_init	= (config_init_t)elink_7101_config_init,
12665 	.read_status	= (read_status_t)elink_7101_read_status,
12666 	.link_reset	= (link_reset_t)elink_common_ext_link_reset,
12667 	.config_loopback = (config_loopback_t)elink_7101_config_loopback,
12668 	.format_fw_ver	= (format_fw_ver_t)elink_7101_format_ver,
12669 	.hw_reset	= (hw_reset_t)elink_7101_hw_reset,
12670 	.set_link_led	= (set_link_led_t)elink_7101_set_link_led,
12671 	.phy_specific_func = (phy_specific_func_t)NULL
12672 };
12673 static const struct elink_phy phy_8073 = {
12674 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8073,
12675 	.addr		= 0xff,
12676 	.def_md_devad	= 0,
12677 	.flags		= 0,
12678 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12679 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12680 	.mdio_ctrl	= 0,
12681 	.supported	= (ELINK_SUPPORTED_10000baseT_Full |
12682 			   ELINK_SUPPORTED_2500baseX_Full |
12683 			   ELINK_SUPPORTED_1000baseT_Full |
12684 			   ELINK_SUPPORTED_FIBRE |
12685 			   ELINK_SUPPORTED_Autoneg |
12686 			   ELINK_SUPPORTED_Pause |
12687 			   ELINK_SUPPORTED_Asym_Pause),
12688 	.media_type	= ELINK_ETH_PHY_KR,
12689 	.ver_addr	= 0,
12690 	.req_flow_ctrl	= 0,
12691 	.req_line_speed	= 0,
12692 	.speed_cap_mask	= 0,
12693 	.req_duplex	= 0,
12694 	.rsrv		= 0,
12695 	.config_init	= (config_init_t)elink_8073_config_init,
12696 	.read_status	= (read_status_t)elink_8073_read_status,
12697 	.link_reset	= (link_reset_t)elink_8073_link_reset,
12698 	.config_loopback = (config_loopback_t)NULL,
12699 	.format_fw_ver	= (format_fw_ver_t)elink_format_ver,
12700 	.hw_reset	= (hw_reset_t)NULL,
12701 	.set_link_led	= (set_link_led_t)NULL,
12702 	.phy_specific_func = (phy_specific_func_t)elink_8073_specific_func
12703 };
12704 static const struct elink_phy phy_8705 = {
12705 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8705,
12706 	.addr		= 0xff,
12707 	.def_md_devad	= 0,
12708 	.flags		= ELINK_FLAGS_INIT_XGXS_FIRST,
12709 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12710 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12711 	.mdio_ctrl	= 0,
12712 	.supported	= (ELINK_SUPPORTED_10000baseT_Full |
12713 			   ELINK_SUPPORTED_FIBRE |
12714 			   ELINK_SUPPORTED_Pause |
12715 			   ELINK_SUPPORTED_Asym_Pause),
12716 	.media_type	= ELINK_ETH_PHY_XFP_FIBER,
12717 	.ver_addr	= 0,
12718 	.req_flow_ctrl	= 0,
12719 	.req_line_speed	= 0,
12720 	.speed_cap_mask	= 0,
12721 	.req_duplex	= 0,
12722 	.rsrv		= 0,
12723 	.config_init	= (config_init_t)elink_8705_config_init,
12724 	.read_status	= (read_status_t)elink_8705_read_status,
12725 	.link_reset	= (link_reset_t)elink_common_ext_link_reset,
12726 	.config_loopback = (config_loopback_t)NULL,
12727 	.format_fw_ver	= (format_fw_ver_t)elink_null_format_ver,
12728 	.hw_reset	= (hw_reset_t)NULL,
12729 	.set_link_led	= (set_link_led_t)NULL,
12730 	.phy_specific_func = (phy_specific_func_t)NULL
12731 };
12732 static const struct elink_phy phy_8706 = {
12733 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8706,
12734 	.addr		= 0xff,
12735 	.def_md_devad	= 0,
12736 	.flags		= ELINK_FLAGS_INIT_XGXS_FIRST,
12737 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12738 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12739 	.mdio_ctrl	= 0,
12740 	.supported	= (ELINK_SUPPORTED_10000baseT_Full |
12741 			   ELINK_SUPPORTED_1000baseT_Full |
12742 			   ELINK_SUPPORTED_FIBRE |
12743 			   ELINK_SUPPORTED_Pause |
12744 			   ELINK_SUPPORTED_Asym_Pause),
12745 	.media_type	= ELINK_ETH_PHY_SFPP_10G_FIBER,
12746 	.ver_addr	= 0,
12747 	.req_flow_ctrl	= 0,
12748 	.req_line_speed	= 0,
12749 	.speed_cap_mask	= 0,
12750 	.req_duplex	= 0,
12751 	.rsrv		= 0,
12752 	.config_init	= (config_init_t)elink_8706_config_init,
12753 	.read_status	= (read_status_t)elink_8706_read_status,
12754 	.link_reset	= (link_reset_t)elink_common_ext_link_reset,
12755 	.config_loopback = (config_loopback_t)NULL,
12756 	.format_fw_ver	= (format_fw_ver_t)elink_format_ver,
12757 	.hw_reset	= (hw_reset_t)NULL,
12758 	.set_link_led	= (set_link_led_t)NULL,
12759 	.phy_specific_func = (phy_specific_func_t)NULL
12760 };
12761 
12762 static const struct elink_phy phy_8726 = {
12763 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8726,
12764 	.addr		= 0xff,
12765 	.def_md_devad	= 0,
12766 	.flags		= (ELINK_FLAGS_INIT_XGXS_FIRST |
12767 			   ELINK_FLAGS_TX_ERROR_CHECK),
12768 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12769 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12770 	.mdio_ctrl	= 0,
12771 	.supported	= (ELINK_SUPPORTED_10000baseT_Full |
12772 			   ELINK_SUPPORTED_1000baseT_Full |
12773 			   ELINK_SUPPORTED_Autoneg |
12774 			   ELINK_SUPPORTED_FIBRE |
12775 			   ELINK_SUPPORTED_Pause |
12776 			   ELINK_SUPPORTED_Asym_Pause),
12777 	.media_type	= ELINK_ETH_PHY_NOT_PRESENT,
12778 	.ver_addr	= 0,
12779 	.req_flow_ctrl	= 0,
12780 	.req_line_speed	= 0,
12781 	.speed_cap_mask	= 0,
12782 	.req_duplex	= 0,
12783 	.rsrv		= 0,
12784 	.config_init	= (config_init_t)elink_8726_config_init,
12785 	.read_status	= (read_status_t)elink_8726_read_status,
12786 	.link_reset	= (link_reset_t)elink_8726_link_reset,
12787 	.config_loopback = (config_loopback_t)elink_8726_config_loopback,
12788 	.format_fw_ver	= (format_fw_ver_t)elink_format_ver,
12789 	.hw_reset	= (hw_reset_t)NULL,
12790 	.set_link_led	= (set_link_led_t)NULL,
12791 	.phy_specific_func = (phy_specific_func_t)NULL
12792 };
12793 
12794 static const struct elink_phy phy_8727 = {
12795 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8727,
12796 	.addr		= 0xff,
12797 	.def_md_devad	= 0,
12798 	.flags		= (ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12799 			   ELINK_FLAGS_TX_ERROR_CHECK),
12800 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12801 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12802 	.mdio_ctrl	= 0,
12803 	.supported	= (ELINK_SUPPORTED_10000baseT_Full |
12804 			   ELINK_SUPPORTED_1000baseT_Full |
12805 			   ELINK_SUPPORTED_FIBRE |
12806 			   ELINK_SUPPORTED_Pause |
12807 			   ELINK_SUPPORTED_Asym_Pause),
12808 	.media_type	= ELINK_ETH_PHY_NOT_PRESENT,
12809 	.ver_addr	= 0,
12810 	.req_flow_ctrl	= 0,
12811 	.req_line_speed	= 0,
12812 	.speed_cap_mask	= 0,
12813 	.req_duplex	= 0,
12814 	.rsrv		= 0,
12815 	.config_init	= (config_init_t)elink_8727_config_init,
12816 	.read_status	= (read_status_t)elink_8727_read_status,
12817 	.link_reset	= (link_reset_t)elink_8727_link_reset,
12818 	.config_loopback = (config_loopback_t)NULL,
12819 	.format_fw_ver	= (format_fw_ver_t)elink_format_ver,
12820 	.hw_reset	= (hw_reset_t)elink_8727_hw_reset,
12821 	.set_link_led	= (set_link_led_t)elink_8727_set_link_led,
12822 	.phy_specific_func = (phy_specific_func_t)elink_8727_specific_func
12823 };
12824 static const struct elink_phy phy_8481 = {
12825 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8481,
12826 	.addr		= 0xff,
12827 	.def_md_devad	= 0,
12828 	.flags		= ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12829 			  ELINK_FLAGS_REARM_LATCH_SIGNAL,
12830 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12831 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12832 	.mdio_ctrl	= 0,
12833 	.supported	= (ELINK_SUPPORTED_10baseT_Half |
12834 			   ELINK_SUPPORTED_10baseT_Full |
12835 			   ELINK_SUPPORTED_100baseT_Half |
12836 			   ELINK_SUPPORTED_100baseT_Full |
12837 			   ELINK_SUPPORTED_1000baseT_Full |
12838 			   ELINK_SUPPORTED_10000baseT_Full |
12839 			   ELINK_SUPPORTED_TP |
12840 			   ELINK_SUPPORTED_Autoneg |
12841 			   ELINK_SUPPORTED_Pause |
12842 			   ELINK_SUPPORTED_Asym_Pause),
12843 	.media_type	= ELINK_ETH_PHY_BASE_T,
12844 	.ver_addr	= 0,
12845 	.req_flow_ctrl	= 0,
12846 	.req_line_speed	= 0,
12847 	.speed_cap_mask	= 0,
12848 	.req_duplex	= 0,
12849 	.rsrv		= 0,
12850 	.config_init	= (config_init_t)elink_8481_config_init,
12851 	.read_status	= (read_status_t)elink_848xx_read_status,
12852 	.link_reset	= (link_reset_t)elink_8481_link_reset,
12853 	.config_loopback = (config_loopback_t)NULL,
12854 	.format_fw_ver	= (format_fw_ver_t)elink_848xx_format_ver,
12855 	.hw_reset	= (hw_reset_t)elink_8481_hw_reset,
12856 	.set_link_led	= (set_link_led_t)elink_848xx_set_link_led,
12857 	.phy_specific_func = (phy_specific_func_t)NULL
12858 };
12859 
12860 static const struct elink_phy phy_84823 = {
12861 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84823,
12862 	.addr		= 0xff,
12863 	.def_md_devad	= 0,
12864 	.flags		= (ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12865 			   ELINK_FLAGS_REARM_LATCH_SIGNAL |
12866 			   ELINK_FLAGS_TX_ERROR_CHECK),
12867 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12868 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12869 	.mdio_ctrl	= 0,
12870 	.supported	= (ELINK_SUPPORTED_10baseT_Half |
12871 			   ELINK_SUPPORTED_10baseT_Full |
12872 			   ELINK_SUPPORTED_100baseT_Half |
12873 			   ELINK_SUPPORTED_100baseT_Full |
12874 			   ELINK_SUPPORTED_1000baseT_Full |
12875 			   ELINK_SUPPORTED_10000baseT_Full |
12876 			   ELINK_SUPPORTED_TP |
12877 			   ELINK_SUPPORTED_Autoneg |
12878 			   ELINK_SUPPORTED_Pause |
12879 			   ELINK_SUPPORTED_Asym_Pause),
12880 	.media_type	= ELINK_ETH_PHY_BASE_T,
12881 	.ver_addr	= 0,
12882 	.req_flow_ctrl	= 0,
12883 	.req_line_speed	= 0,
12884 	.speed_cap_mask	= 0,
12885 	.req_duplex	= 0,
12886 	.rsrv		= 0,
12887 	.config_init	= (config_init_t)elink_848x3_config_init,
12888 	.read_status	= (read_status_t)elink_848xx_read_status,
12889 	.link_reset	= (link_reset_t)elink_848x3_link_reset,
12890 	.config_loopback = (config_loopback_t)NULL,
12891 	.format_fw_ver	= (format_fw_ver_t)elink_848xx_format_ver,
12892 	.hw_reset	= (hw_reset_t)NULL,
12893 	.set_link_led	= (set_link_led_t)elink_848xx_set_link_led,
12894 	.phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func
12895 };
12896 
12897 static const struct elink_phy phy_84833 = {
12898 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84833,
12899 	.addr		= 0xff,
12900 	.def_md_devad	= 0,
12901 	.flags		= (ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12902 			   ELINK_FLAGS_REARM_LATCH_SIGNAL |
12903 			   ELINK_FLAGS_TX_ERROR_CHECK |
12904 			   ELINK_FLAGS_TEMPERATURE),
12905 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12906 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12907 	.mdio_ctrl	= 0,
12908 	.supported	= (ELINK_SUPPORTED_100baseT_Half |
12909 			   ELINK_SUPPORTED_100baseT_Full |
12910 			   ELINK_SUPPORTED_1000baseT_Full |
12911 			   ELINK_SUPPORTED_10000baseT_Full |
12912 			   ELINK_SUPPORTED_TP |
12913 			   ELINK_SUPPORTED_Autoneg |
12914 			   ELINK_SUPPORTED_Pause |
12915 			   ELINK_SUPPORTED_Asym_Pause),
12916 	.media_type	= ELINK_ETH_PHY_BASE_T,
12917 	.ver_addr	= 0,
12918 	.req_flow_ctrl	= 0,
12919 	.req_line_speed	= 0,
12920 	.speed_cap_mask	= 0,
12921 	.req_duplex	= 0,
12922 	.rsrv		= 0,
12923 	.config_init	= (config_init_t)elink_848x3_config_init,
12924 	.read_status	= (read_status_t)elink_848xx_read_status,
12925 	.link_reset	= (link_reset_t)elink_848x3_link_reset,
12926 	.config_loopback = (config_loopback_t)NULL,
12927 	.format_fw_ver	= (format_fw_ver_t)elink_848xx_format_ver,
12928 	.hw_reset	= (hw_reset_t)elink_84833_hw_reset_phy,
12929 	.set_link_led	= (set_link_led_t)elink_848xx_set_link_led,
12930 	.phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func
12931 };
12932 
12933 static const struct elink_phy phy_84834 = {
12934 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84834,
12935 	.addr		= 0xff,
12936 	.def_md_devad	= 0,
12937 	.flags		= ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12938 			    ELINK_FLAGS_REARM_LATCH_SIGNAL,
12939 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12940 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12941 	.mdio_ctrl	= 0,
12942 	.supported	= (ELINK_SUPPORTED_100baseT_Half |
12943 			   ELINK_SUPPORTED_100baseT_Full |
12944 			   ELINK_SUPPORTED_1000baseT_Full |
12945 			   ELINK_SUPPORTED_10000baseT_Full |
12946 			   ELINK_SUPPORTED_TP |
12947 			   ELINK_SUPPORTED_Autoneg |
12948 			   ELINK_SUPPORTED_Pause |
12949 			   ELINK_SUPPORTED_Asym_Pause),
12950 	.media_type	= ELINK_ETH_PHY_BASE_T,
12951 	.ver_addr	= 0,
12952 	.req_flow_ctrl	= 0,
12953 	.req_line_speed	= 0,
12954 	.speed_cap_mask	= 0,
12955 	.req_duplex	= 0,
12956 	.rsrv		= 0,
12957 	.config_init	= (config_init_t)elink_848x3_config_init,
12958 	.read_status	= (read_status_t)elink_848xx_read_status,
12959 	.link_reset	= (link_reset_t)elink_848x3_link_reset,
12960 	.config_loopback = (config_loopback_t)NULL,
12961 	.format_fw_ver	= (format_fw_ver_t)elink_848xx_format_ver,
12962 	.hw_reset	= (hw_reset_t)elink_84833_hw_reset_phy,
12963 	.set_link_led	= (set_link_led_t)elink_848xx_set_link_led,
12964 	.phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func
12965 };
12966 
12967 static const struct elink_phy phy_84858 = {
12968 	.type		= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84858,
12969 	.addr		= 0xff,
12970 	.def_md_devad	= 0,
12971 	.flags		= ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12972 			    ELINK_FLAGS_REARM_LATCH_SIGNAL,
12973 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12974 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
12975 	.mdio_ctrl	= 0,
12976 	.supported	= (ELINK_SUPPORTED_100baseT_Half |
12977 			   ELINK_SUPPORTED_100baseT_Full |
12978 			   ELINK_SUPPORTED_1000baseT_Full |
12979 			   ELINK_SUPPORTED_10000baseT_Full |
12980 			   ELINK_SUPPORTED_TP |
12981 			   ELINK_SUPPORTED_Autoneg |
12982 			   ELINK_SUPPORTED_Pause |
12983 			   ELINK_SUPPORTED_Asym_Pause),
12984 	.media_type	= ELINK_ETH_PHY_BASE_T,
12985 	.ver_addr	= 0,
12986 	.req_flow_ctrl	= 0,
12987 	.req_line_speed	= 0,
12988 	.speed_cap_mask	= 0,
12989 	.req_duplex	= 0,
12990 	.rsrv		= 0,
12991 	.config_init	= (config_init_t)elink_848x3_config_init,
12992 	.read_status	= (read_status_t)elink_848xx_read_status,
12993 	.link_reset	= (link_reset_t)elink_848x3_link_reset,
12994 	.config_loopback = (config_loopback_t)NULL,
12995 	.format_fw_ver	= (format_fw_ver_t)elink_848xx_format_ver,
12996 	.hw_reset	= (hw_reset_t)elink_84833_hw_reset_phy,
12997 	.set_link_led	= (set_link_led_t)elink_848xx_set_link_led,
12998 	.phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func
12999 };
13000 
13001 
13002 static const struct elink_phy phy_54618se = {
13003 	.type		= PORT_HW_CFG_XGXS_EXT_PHY2_TYPE_BNX2X54618SE,
13004 	.addr		= 0xff,
13005 	.def_md_devad	= 0,
13006 	.flags		= ELINK_FLAGS_INIT_XGXS_FIRST,
13007 	.rx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
13008 	.tx_preemphasis	= {0xffff, 0xffff, 0xffff, 0xffff},
13009 	.mdio_ctrl	= 0,
13010 	.supported	= (ELINK_SUPPORTED_10baseT_Half |
13011 			   ELINK_SUPPORTED_10baseT_Full |
13012 			   ELINK_SUPPORTED_100baseT_Half |
13013 			   ELINK_SUPPORTED_100baseT_Full |
13014 			   ELINK_SUPPORTED_1000baseT_Full |
13015 			   ELINK_SUPPORTED_TP |
13016 			   ELINK_SUPPORTED_Autoneg |
13017 			   ELINK_SUPPORTED_Pause |
13018 			   ELINK_SUPPORTED_Asym_Pause),
13019 	.media_type	= ELINK_ETH_PHY_BASE_T,
13020 	.ver_addr	= 0,
13021 	.req_flow_ctrl	= 0,
13022 	.req_line_speed	= 0,
13023 	.speed_cap_mask	= 0,
13024 	/* req_duplex = */0,
13025 	/* rsrv = */0,
13026 	.config_init	= (config_init_t)elink_54618se_config_init,
13027 	.read_status	= (read_status_t)elink_54618se_read_status,
13028 	.link_reset	= (link_reset_t)elink_54618se_link_reset,
13029 	.config_loopback = (config_loopback_t)elink_54618se_config_loopback,
13030 	.format_fw_ver	= (format_fw_ver_t)NULL,
13031 	.hw_reset	= (hw_reset_t)NULL,
13032 	.set_link_led	= (set_link_led_t)elink_5461x_set_link_led,
13033 	.phy_specific_func = (phy_specific_func_t)elink_54618se_specific_func
13034 };
13035 /*****************************************************************/
13036 /*                                                               */
13037 /* Populate the phy according. Main function: elink_populate_phy   */
13038 /*                                                               */
13039 /*****************************************************************/
13040 
13041 static void elink_populate_preemphasis(struct bnx2x_softc *sc,
13042 				     uint32_t shmem_base,
13043 				     struct elink_phy *phy, uint8_t port,
13044 				     uint8_t phy_index)
13045 {
13046 	/* Get the 4 lanes xgxs config rx and tx */
13047 	uint32_t rx = 0, tx = 0, i;
13048 	for (i = 0; i < 2; i++) {
13049 		/* INT_PHY and ELINK_EXT_PHY1 share the same value location in
13050 		 * the shmem. When num_phys is greater than 1, than this value
13051 		 * applies only to ELINK_EXT_PHY1
13052 		 */
13053 		if (phy_index == ELINK_INT_PHY || phy_index == ELINK_EXT_PHY1) {
13054 			rx = REG_RD(sc, shmem_base +
13055 				    offsetof(struct shmem_region,
13056 			dev_info.port_hw_config[port].xgxs_config_rx[i << 1]));
13057 
13058 			tx = REG_RD(sc, shmem_base +
13059 				    offsetof(struct shmem_region,
13060 			dev_info.port_hw_config[port].xgxs_config_tx[i << 1]));
13061 		} else {
13062 			rx = REG_RD(sc, shmem_base +
13063 				    offsetof(struct shmem_region,
13064 			dev_info.port_hw_config[port].xgxs_config2_rx[i << 1]));
13065 
13066 			tx = REG_RD(sc, shmem_base +
13067 				    offsetof(struct shmem_region,
13068 			dev_info.port_hw_config[port].xgxs_config2_rx[i << 1]));
13069 		}
13070 
13071 		phy->rx_preemphasis[i << 1] = ((rx >> 16) & 0xffff);
13072 		phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
13073 
13074 		phy->tx_preemphasis[i << 1] = ((tx >> 16) & 0xffff);
13075 		phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
13076 		ELINK_DEBUG_P2(sc, "phy->rx_preemphasis = %x, phy->tx_preemphasis = %x",
13077 			phy->rx_preemphasis[i << 1],
13078 			phy->tx_preemphasis[i << 1]);
13079 	}
13080 }
13081 
13082 static uint32_t elink_get_ext_phy_config(struct bnx2x_softc *sc,
13083 				    uint32_t shmem_base,
13084 				    uint8_t phy_index, uint8_t port)
13085 {
13086 	uint32_t ext_phy_config = 0;
13087 	switch (phy_index) {
13088 	case ELINK_EXT_PHY1:
13089 		ext_phy_config = REG_RD(sc, shmem_base +
13090 					      offsetof(struct shmem_region,
13091 			dev_info.port_hw_config[port].external_phy_config));
13092 		break;
13093 	case ELINK_EXT_PHY2:
13094 		ext_phy_config = REG_RD(sc, shmem_base +
13095 					      offsetof(struct shmem_region,
13096 			dev_info.port_hw_config[port].external_phy_config2));
13097 		break;
13098 	default:
13099 		ELINK_DEBUG_P1(sc, "Invalid phy_index %d", phy_index);
13100 		return ELINK_STATUS_ERROR;
13101 	}
13102 
13103 	return ext_phy_config;
13104 }
13105 static elink_status_t elink_populate_int_phy(struct bnx2x_softc *sc,
13106 				  uint32_t shmem_base, uint8_t port,
13107 				  struct elink_phy *phy)
13108 {
13109 	uint32_t phy_addr;
13110 	uint32_t chip_id;
13111 	uint32_t switch_cfg = (REG_RD(sc, shmem_base +
13112 				       offsetof(struct shmem_region,
13113 			dev_info.port_feature_config[port].link_config)) &
13114 			  PORT_FEATURE_CONNECTED_SWITCH_MASK);
13115 	chip_id = (REG_RD(sc, MISC_REG_CHIP_NUM) << 16) |
13116 		((REG_RD(sc, MISC_REG_CHIP_REV) & 0xf) << 12);
13117 
13118 	ELINK_DEBUG_P1(sc, ":chip_id = 0x%x", chip_id);
13119 	if (USES_WARPCORE(sc)) {
13120 		uint32_t serdes_net_if;
13121 		phy_addr = REG_RD(sc,
13122 				  MISC_REG_WC0_CTRL_PHY_ADDR);
13123 		*phy = phy_warpcore;
13124 		if (REG_RD(sc, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
13125 			phy->flags |= ELINK_FLAGS_4_PORT_MODE;
13126 		else
13127 			phy->flags &= ~ELINK_FLAGS_4_PORT_MODE;
13128 			/* Check Dual mode */
13129 		serdes_net_if = (REG_RD(sc, shmem_base +
13130 					offsetof(struct shmem_region, dev_info.
13131 					port_hw_config[port].default_cfg)) &
13132 				 PORT_HW_CFG_NET_SERDES_IF_MASK);
13133 		/* Set the appropriate supported and flags indications per
13134 		 * interface type of the chip
13135 		 */
13136 		switch (serdes_net_if) {
13137 		case PORT_HW_CFG_NET_SERDES_IF_SGMII:
13138 			phy->supported &= (ELINK_SUPPORTED_10baseT_Half |
13139 					   ELINK_SUPPORTED_10baseT_Full |
13140 					   ELINK_SUPPORTED_100baseT_Half |
13141 					   ELINK_SUPPORTED_100baseT_Full |
13142 					   ELINK_SUPPORTED_1000baseT_Full |
13143 					   ELINK_SUPPORTED_FIBRE |
13144 					   ELINK_SUPPORTED_Autoneg |
13145 					   ELINK_SUPPORTED_Pause |
13146 					   ELINK_SUPPORTED_Asym_Pause);
13147 			phy->media_type = ELINK_ETH_PHY_BASE_T;
13148 			break;
13149 		case PORT_HW_CFG_NET_SERDES_IF_XFI:
13150 			phy->supported &= (ELINK_SUPPORTED_1000baseT_Full |
13151 					   ELINK_SUPPORTED_10000baseT_Full |
13152 					   ELINK_SUPPORTED_FIBRE |
13153 					   ELINK_SUPPORTED_Pause |
13154 					   ELINK_SUPPORTED_Asym_Pause);
13155 			phy->media_type = ELINK_ETH_PHY_XFP_FIBER;
13156 			break;
13157 		case PORT_HW_CFG_NET_SERDES_IF_SFI:
13158 			phy->supported &= (ELINK_SUPPORTED_1000baseT_Full |
13159 					   ELINK_SUPPORTED_10000baseT_Full |
13160 					   ELINK_SUPPORTED_FIBRE |
13161 					   ELINK_SUPPORTED_Pause |
13162 					   ELINK_SUPPORTED_Asym_Pause);
13163 			phy->media_type = ELINK_ETH_PHY_SFPP_10G_FIBER;
13164 			break;
13165 		case PORT_HW_CFG_NET_SERDES_IF_KR:
13166 			phy->media_type = ELINK_ETH_PHY_KR;
13167 			phy->supported &= (ELINK_SUPPORTED_1000baseKX_Full |
13168 					   ELINK_SUPPORTED_10000baseKR_Full |
13169 					   ELINK_SUPPORTED_FIBRE |
13170 					   ELINK_SUPPORTED_Autoneg |
13171 					   ELINK_SUPPORTED_Pause |
13172 					   ELINK_SUPPORTED_Asym_Pause);
13173 			break;
13174 		case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
13175 			phy->media_type = ELINK_ETH_PHY_KR;
13176 			phy->flags |= ELINK_FLAGS_WC_DUAL_MODE;
13177 			phy->supported &= (ELINK_SUPPORTED_20000baseMLD2_Full |
13178 					   ELINK_SUPPORTED_FIBRE |
13179 					   ELINK_SUPPORTED_Pause |
13180 					   ELINK_SUPPORTED_Asym_Pause);
13181 			break;
13182 		case PORT_HW_CFG_NET_SERDES_IF_KR2:
13183 			phy->media_type = ELINK_ETH_PHY_KR;
13184 			phy->flags |= ELINK_FLAGS_WC_DUAL_MODE;
13185 			phy->supported &= (ELINK_SUPPORTED_20000baseKR2_Full |
13186 					   ELINK_SUPPORTED_10000baseKR_Full |
13187 					   ELINK_SUPPORTED_1000baseKX_Full |
13188 					   ELINK_SUPPORTED_Autoneg |
13189 					   ELINK_SUPPORTED_FIBRE |
13190 					   ELINK_SUPPORTED_Pause |
13191 					   ELINK_SUPPORTED_Asym_Pause);
13192 			phy->flags &= ~ELINK_FLAGS_TX_ERROR_CHECK;
13193 			break;
13194 		default:
13195 			ELINK_DEBUG_P1(sc, "Unknown WC interface type 0x%x",
13196 				       serdes_net_if);
13197 			break;
13198 		}
13199 
13200 		/* Enable MDC/MDIO work-around for E3 A0 since free running MDC
13201 		 * was not set as expected. For B0, ECO will be enabled so there
13202 		 * won't be an issue there
13203 		 */
13204 		if (CHIP_REV(sc) == CHIP_REV_Ax)
13205 			phy->flags |= ELINK_FLAGS_MDC_MDIO_WA;
13206 		else
13207 			phy->flags |= ELINK_FLAGS_MDC_MDIO_WA_B0;
13208 		ELINK_DEBUG_P3(sc, "media_type = %x, flags = %x, supported = %x",
13209 				phy->media_type, phy->flags, phy->supported);
13210 	} else {
13211 		switch (switch_cfg) {
13212 		case ELINK_SWITCH_CFG_1G:
13213 			phy_addr = REG_RD(sc,
13214 					  NIG_REG_SERDES0_CTRL_PHY_ADDR +
13215 					  port * 0x10);
13216 			*phy = phy_serdes;
13217 			break;
13218 		case ELINK_SWITCH_CFG_10G:
13219 			phy_addr = REG_RD(sc,
13220 					  NIG_REG_XGXS0_CTRL_PHY_ADDR +
13221 					  port * 0x18);
13222 			*phy = phy_xgxs;
13223 			break;
13224 		default:
13225 			ELINK_DEBUG_P0(sc, "Invalid switch_cfg");
13226 			return ELINK_STATUS_ERROR;
13227 		}
13228 	}
13229 	phy->addr = (uint8_t)phy_addr;
13230 	phy->mdio_ctrl = elink_get_emac_base(sc,
13231 					    SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
13232 					    port);
13233 	if (CHIP_IS_E2(sc))
13234 		phy->def_md_devad = ELINK_E2_DEFAULT_PHY_DEV_ADDR;
13235 	else
13236 		phy->def_md_devad = ELINK_DEFAULT_PHY_DEV_ADDR;
13237 
13238 	ELINK_DEBUG_P3(sc, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x",
13239 		   port, phy->addr, phy->mdio_ctrl);
13240 
13241 	elink_populate_preemphasis(sc, shmem_base, phy, port, ELINK_INT_PHY);
13242 	return ELINK_STATUS_OK;
13243 }
13244 
13245 static elink_status_t elink_populate_ext_phy(struct bnx2x_softc *sc,
13246 				  uint8_t phy_index,
13247 				  uint32_t shmem_base,
13248 				  uint32_t shmem2_base,
13249 				  uint8_t port,
13250 				  struct elink_phy *phy)
13251 {
13252 	uint32_t ext_phy_config, phy_type, config2;
13253 	uint32_t mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
13254 	ext_phy_config = elink_get_ext_phy_config(sc, shmem_base,
13255 						  phy_index, port);
13256 	phy_type = ELINK_XGXS_EXT_PHY_TYPE(ext_phy_config);
13257 	/* Select the phy type */
13258 	switch (phy_type) {
13259 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8073:
13260 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
13261 		*phy = phy_8073;
13262 		break;
13263 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8705:
13264 		*phy = phy_8705;
13265 		break;
13266 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8706:
13267 		*phy = phy_8706;
13268 		break;
13269 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8726:
13270 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
13271 		*phy = phy_8726;
13272 		break;
13273 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8727_NOC:
13274 		/* BNX2X8727_NOC => BNX2X8727 no over current */
13275 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
13276 		*phy = phy_8727;
13277 		phy->flags |= ELINK_FLAGS_NOC;
13278 		break;
13279 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8722:
13280 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8727:
13281 		mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
13282 		*phy = phy_8727;
13283 		break;
13284 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8481:
13285 		*phy = phy_8481;
13286 		break;
13287 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84823:
13288 		*phy = phy_84823;
13289 		break;
13290 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84833:
13291 		*phy = phy_84833;
13292 		break;
13293 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84834:
13294 		*phy = phy_84834;
13295 		break;
13296 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84858:
13297 		*phy = phy_84858;
13298 		break;
13299 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X54616:
13300 	case PORT_HW_CFG_XGXS_EXT_PHY2_TYPE_BNX2X54618SE:
13301 		*phy = phy_54618se;
13302 		if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY2_TYPE_BNX2X54618SE)
13303 			phy->flags |= ELINK_FLAGS_EEE;
13304 		break;
13305 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
13306 		*phy = phy_7101;
13307 		break;
13308 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
13309 		*phy = phy_null;
13310 		return ELINK_STATUS_ERROR;
13311 	default:
13312 		*phy = phy_null;
13313 		/* In case external PHY wasn't found */
13314 		if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
13315 		    (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
13316 			return ELINK_STATUS_ERROR;
13317 		return ELINK_STATUS_OK;
13318 	}
13319 
13320 	phy->addr = ELINK_XGXS_EXT_PHY_ADDR(ext_phy_config);
13321 	elink_populate_preemphasis(sc, shmem_base, phy, port, phy_index);
13322 
13323 	/* The shmem address of the phy version is located on different
13324 	 * structures. In case this structure is too old, do not set
13325 	 * the address
13326 	 */
13327 	config2 = REG_RD(sc, shmem_base + offsetof(struct shmem_region,
13328 					dev_info.shared_hw_config.config2));
13329 	if (phy_index == ELINK_EXT_PHY1) {
13330 		phy->ver_addr = shmem_base + offsetof(struct shmem_region,
13331 				port_mb[port].ext_phy_fw_version);
13332 
13333 		/* Check specific mdc mdio settings */
13334 		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
13335 			mdc_mdio_access = config2 &
13336 			SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
13337 	} else {
13338 		uint32_t size = REG_RD(sc, shmem2_base);
13339 
13340 		if (size >
13341 		    offsetof(struct shmem2_region, ext_phy_fw_version2)) {
13342 			phy->ver_addr = shmem2_base +
13343 			    offsetof(struct shmem2_region,
13344 				     ext_phy_fw_version2[port]);
13345 		}
13346 		/* Check specific mdc mdio settings */
13347 		if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
13348 			mdc_mdio_access = (config2 &
13349 			SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
13350 			(SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
13351 			 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
13352 	}
13353 	phy->mdio_ctrl = elink_get_emac_base(sc, mdc_mdio_access, port);
13354 
13355 	if (elink_is_8483x_8485x(phy) && (phy->ver_addr)) {
13356 		/* Remove 100Mb link supported for BNX2X84833/4 when phy fw
13357 		 * version lower than or equal to 1.39
13358 		 */
13359 		uint32_t raw_ver = REG_RD(sc, phy->ver_addr);
13360 		if (((raw_ver & 0x7F) <= 39) &&
13361 		    (((raw_ver & 0xF80) >> 7) <= 1))
13362 			phy->supported &= ~(ELINK_SUPPORTED_100baseT_Half |
13363 					    ELINK_SUPPORTED_100baseT_Full);
13364 	}
13365 
13366 	ELINK_DEBUG_P3(sc, "phy_type 0x%x port %d found in index %d",
13367 		   phy_type, port, phy_index);
13368 	ELINK_DEBUG_P2(sc, "             addr=0x%x, mdio_ctl=0x%x",
13369 		   phy->addr, phy->mdio_ctrl);
13370 	return ELINK_STATUS_OK;
13371 }
13372 
13373 static elink_status_t elink_populate_phy(struct bnx2x_softc *sc,
13374 			      uint8_t phy_index, uint32_t shmem_base,
13375 			      uint32_t shmem2_base, uint8_t port,
13376 			      struct elink_phy *phy)
13377 {
13378 	elink_status_t status = ELINK_STATUS_OK;
13379 	phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
13380 	if (phy_index == ELINK_INT_PHY)
13381 		return elink_populate_int_phy(sc, shmem_base, port, phy);
13382 	status = elink_populate_ext_phy(sc, phy_index, shmem_base, shmem2_base,
13383 					port, phy);
13384 	return status;
13385 }
13386 
13387 static void elink_phy_def_cfg(struct elink_params *params,
13388 			      struct elink_phy *phy,
13389 			      uint8_t phy_index)
13390 {
13391 	struct bnx2x_softc *sc = params->sc;
13392 	uint32_t link_config;
13393 	/* Populate the default phy configuration for MF mode */
13394 	if (phy_index == ELINK_EXT_PHY2) {
13395 		link_config = REG_RD(sc, params->shmem_base +
13396 				     offsetof(struct shmem_region, dev_info.
13397 			port_feature_config[params->port].link_config2));
13398 		phy->speed_cap_mask = REG_RD(sc, params->shmem_base +
13399 					     offsetof(struct shmem_region,
13400 						      dev_info.
13401 			port_hw_config[params->port].speed_capability_mask2));
13402 	} else {
13403 		link_config = REG_RD(sc, params->shmem_base +
13404 				     offsetof(struct shmem_region, dev_info.
13405 				port_feature_config[params->port].link_config));
13406 		phy->speed_cap_mask = REG_RD(sc, params->shmem_base +
13407 					     offsetof(struct shmem_region,
13408 						      dev_info.
13409 			port_hw_config[params->port].speed_capability_mask));
13410 	}
13411 	ELINK_DEBUG_P3(sc,
13412 	   "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x",
13413 	   phy_index, link_config, phy->speed_cap_mask);
13414 
13415 	phy->req_duplex = DUPLEX_FULL;
13416 	switch (link_config  & PORT_FEATURE_LINK_SPEED_MASK) {
13417 	case PORT_FEATURE_LINK_SPEED_10M_HALF:
13418 		phy->req_duplex = DUPLEX_HALF;
13419 		/* fallthrough */
13420 	case PORT_FEATURE_LINK_SPEED_10M_FULL:
13421 		phy->req_line_speed = ELINK_SPEED_10;
13422 		break;
13423 	case PORT_FEATURE_LINK_SPEED_100M_HALF:
13424 		phy->req_duplex = DUPLEX_HALF;
13425 		/* fallthrough */
13426 	case PORT_FEATURE_LINK_SPEED_100M_FULL:
13427 		phy->req_line_speed = ELINK_SPEED_100;
13428 		break;
13429 	case PORT_FEATURE_LINK_SPEED_1G:
13430 		phy->req_line_speed = ELINK_SPEED_1000;
13431 		break;
13432 	case PORT_FEATURE_LINK_SPEED_2_5G:
13433 		phy->req_line_speed = ELINK_SPEED_2500;
13434 		break;
13435 	case PORT_FEATURE_LINK_SPEED_10G_CX4:
13436 		phy->req_line_speed = ELINK_SPEED_10000;
13437 		break;
13438 	default:
13439 		phy->req_line_speed = ELINK_SPEED_AUTO_NEG;
13440 		break;
13441 	}
13442 
13443 	ELINK_DEBUG_P2(sc, "Default config phy idx %x, req_duplex config %x",
13444 			phy_index, phy->req_duplex);
13445 
13446 	switch (link_config  & PORT_FEATURE_FLOW_CONTROL_MASK) {
13447 	case PORT_FEATURE_FLOW_CONTROL_AUTO:
13448 		phy->req_flow_ctrl = ELINK_FLOW_CTRL_AUTO;
13449 		break;
13450 	case PORT_FEATURE_FLOW_CONTROL_TX:
13451 		phy->req_flow_ctrl = ELINK_FLOW_CTRL_TX;
13452 		break;
13453 	case PORT_FEATURE_FLOW_CONTROL_RX:
13454 		phy->req_flow_ctrl = ELINK_FLOW_CTRL_RX;
13455 		break;
13456 	case PORT_FEATURE_FLOW_CONTROL_BOTH:
13457 		phy->req_flow_ctrl = ELINK_FLOW_CTRL_BOTH;
13458 		break;
13459 	default:
13460 		phy->req_flow_ctrl = ELINK_FLOW_CTRL_NONE;
13461 		break;
13462 	}
13463 	ELINK_DEBUG_P3(sc, "Requested Duplex = %x, line_speed = %x, flow_ctrl = %x",
13464 		       phy->req_duplex, phy->req_line_speed,
13465 		       phy->req_flow_ctrl);
13466 }
13467 
13468 uint32_t elink_phy_selection(struct elink_params *params)
13469 {
13470 	uint32_t phy_config_swapped, prio_cfg;
13471 	uint32_t return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
13472 
13473 	phy_config_swapped = params->multi_phy_config &
13474 		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
13475 
13476 	prio_cfg = params->multi_phy_config &
13477 			PORT_HW_CFG_PHY_SELECTION_MASK;
13478 
13479 	if (phy_config_swapped) {
13480 		switch (prio_cfg) {
13481 		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
13482 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
13483 			break;
13484 		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
13485 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
13486 			break;
13487 		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
13488 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
13489 			break;
13490 		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
13491 		     return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
13492 			break;
13493 		}
13494 	} else
13495 		return_cfg = prio_cfg;
13496 
13497 	return return_cfg;
13498 }
13499 
13500 elink_status_t elink_phy_probe(struct elink_params *params)
13501 {
13502 	uint8_t phy_index, actual_phy_idx;
13503 	uint32_t phy_config_swapped, sync_offset, media_types;
13504 	struct bnx2x_softc *sc = params->sc;
13505 	struct elink_phy *phy;
13506 	params->num_phys = 0;
13507 	ELINK_DEBUG_P0(sc, "Begin phy probe");
13508 #ifdef ELINK_INCLUDE_EMUL
13509 	if (CHIP_REV_IS_EMUL(sc))
13510 		return ELINK_STATUS_OK;
13511 #endif
13512 	phy_config_swapped = params->multi_phy_config &
13513 		PORT_HW_CFG_PHY_SWAPPED_ENABLED;
13514 
13515 	for (phy_index = ELINK_INT_PHY; phy_index < ELINK_MAX_PHYS;
13516 	      phy_index++) {
13517 		actual_phy_idx = phy_index;
13518 		if (phy_config_swapped) {
13519 			if (phy_index == ELINK_EXT_PHY1)
13520 				actual_phy_idx = ELINK_EXT_PHY2;
13521 			else if (phy_index == ELINK_EXT_PHY2)
13522 				actual_phy_idx = ELINK_EXT_PHY1;
13523 		}
13524 		ELINK_DEBUG_P3(sc, "phy_config_swapped %x, phy_index %x,"
13525 			       " actual_phy_idx %x", phy_config_swapped,
13526 			   phy_index, actual_phy_idx);
13527 		phy = &params->phy[actual_phy_idx];
13528 		if (elink_populate_phy(sc, phy_index, params->shmem_base,
13529 				       params->shmem2_base, params->port,
13530 				       phy) != ELINK_STATUS_OK) {
13531 			params->num_phys = 0;
13532 			ELINK_DEBUG_P1(sc, "phy probe failed in phy index %d",
13533 				   phy_index);
13534 			for (phy_index = ELINK_INT_PHY;
13535 			      phy_index < ELINK_MAX_PHYS;
13536 			      phy_index++)
13537 				*phy = phy_null;
13538 			return ELINK_STATUS_ERROR;
13539 		}
13540 		if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
13541 			break;
13542 
13543 		if (params->feature_config_flags &
13544 		    ELINK_FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
13545 			phy->flags &= ~ELINK_FLAGS_TX_ERROR_CHECK;
13546 
13547 		if (!(params->feature_config_flags &
13548 		      ELINK_FEATURE_CONFIG_MT_SUPPORT))
13549 			phy->flags |= ELINK_FLAGS_MDC_MDIO_WA_G;
13550 
13551 		sync_offset = params->shmem_base +
13552 			offsetof(struct shmem_region,
13553 			dev_info.port_hw_config[params->port].media_type);
13554 		media_types = REG_RD(sc, sync_offset);
13555 
13556 		/* Update media type for non-PMF sync only for the first time
13557 		 * In case the media type changes afterwards, it will be updated
13558 		 * using the update_status function
13559 		 */
13560 		if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
13561 				    (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
13562 				     actual_phy_idx))) == 0) {
13563 			media_types |= ((phy->media_type &
13564 					PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
13565 				(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
13566 				 actual_phy_idx));
13567 		}
13568 		REG_WR(sc, sync_offset, media_types);
13569 
13570 		elink_phy_def_cfg(params, phy, phy_index);
13571 		params->num_phys++;
13572 	}
13573 
13574 	ELINK_DEBUG_P1(sc, "End phy probe. #phys found %x", params->num_phys);
13575 	return ELINK_STATUS_OK;
13576 }
13577 
13578 #ifdef ELINK_INCLUDE_EMUL
13579 static elink_status_t elink_init_e3_emul_mac(struct elink_params *params,
13580 					     struct elink_vars *vars)
13581 {
13582 	struct bnx2x_softc *sc = params->sc;
13583 	vars->line_speed = params->req_line_speed[0];
13584 	/* In case link speed is auto, set speed the highest as possible */
13585 	if (params->req_line_speed[0] == ELINK_SPEED_AUTO_NEG) {
13586 		if (params->feature_config_flags &
13587 		    ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC)
13588 			vars->line_speed = ELINK_SPEED_2500;
13589 		else if (elink_is_4_port_mode(sc))
13590 			vars->line_speed = ELINK_SPEED_10000;
13591 		else
13592 			vars->line_speed = ELINK_SPEED_20000;
13593 	}
13594 	if (vars->line_speed < ELINK_SPEED_10000) {
13595 		if ((params->feature_config_flags &
13596 		     ELINK_FEATURE_CONFIG_EMUL_DISABLE_UMAC)) {
13597 			ELINK_DEBUG_P1(sc, "Invalid line speed %d while UMAC is"
13598 				   " disabled!", params->req_line_speed[0]);
13599 			return ELINK_STATUS_ERROR;
13600 		}
13601 		switch (vars->line_speed) {
13602 		case ELINK_SPEED_10:
13603 			vars->link_status = ELINK_LINK_10TFD;
13604 			break;
13605 		case ELINK_SPEED_100:
13606 			vars->link_status = ELINK_LINK_100TXFD;
13607 			break;
13608 		case ELINK_SPEED_1000:
13609 			vars->link_status = ELINK_LINK_1000TFD;
13610 			break;
13611 		case ELINK_SPEED_2500:
13612 			vars->link_status = ELINK_LINK_2500TFD;
13613 			break;
13614 		default:
13615 			ELINK_DEBUG_P1(sc, "Invalid line speed %d for UMAC",
13616 				   vars->line_speed);
13617 			return ELINK_STATUS_ERROR;
13618 		}
13619 		vars->link_status |= LINK_STATUS_LINK_UP;
13620 
13621 		if (params->loopback_mode == ELINK_LOOPBACK_UMAC)
13622 			elink_umac_enable(params, vars, 1);
13623 		else
13624 			elink_umac_enable(params, vars, 0);
13625 	} else {
13626 		/* Link speed >= 10000 requires XMAC enabled */
13627 		if (params->feature_config_flags &
13628 		    ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC) {
13629 			ELINK_DEBUG_P1(sc, "Invalid line speed %d while XMAC is"
13630 				   " disabled!", params->req_line_speed[0]);
13631 		return ELINK_STATUS_ERROR;
13632 	}
13633 		/* Check link speed */
13634 		switch (vars->line_speed) {
13635 		case ELINK_SPEED_10000:
13636 			vars->link_status = ELINK_LINK_10GTFD;
13637 			break;
13638 		case ELINK_SPEED_20000:
13639 			vars->link_status = ELINK_LINK_20GTFD;
13640 			break;
13641 		default:
13642 			ELINK_DEBUG_P1(sc, "Invalid line speed %d for XMAC",
13643 				   vars->line_speed);
13644 			return ELINK_STATUS_ERROR;
13645 		}
13646 		vars->link_status |= LINK_STATUS_LINK_UP;
13647 		if (params->loopback_mode == ELINK_LOOPBACK_XMAC)
13648 			elink_xmac_enable(params, vars, 1);
13649 		else
13650 			elink_xmac_enable(params, vars, 0);
13651 	}
13652 		return ELINK_STATUS_OK;
13653 }
13654 
13655 static elink_status_t elink_init_emul(struct elink_params *params,
13656 			    struct elink_vars *vars)
13657 {
13658 	struct bnx2x_softc *sc = params->sc;
13659 	if (CHIP_IS_E3(sc)) {
13660 		if (elink_init_e3_emul_mac(params, vars) !=
13661 		    ELINK_STATUS_OK)
13662 			return ELINK_STATUS_ERROR;
13663 	} else {
13664 		if (params->feature_config_flags &
13665 		    ELINK_FEATURE_CONFIG_EMUL_DISABLE_BMAC) {
13666 			vars->line_speed = ELINK_SPEED_1000;
13667 			vars->link_status = (LINK_STATUS_LINK_UP |
13668 					     ELINK_LINK_1000XFD);
13669 			if (params->loopback_mode ==
13670 			    ELINK_LOOPBACK_EMAC)
13671 				elink_emac_enable(params, vars, 1);
13672 			else
13673 				elink_emac_enable(params, vars, 0);
13674 		} else {
13675 			vars->line_speed = ELINK_SPEED_10000;
13676 			vars->link_status = (LINK_STATUS_LINK_UP |
13677 					     ELINK_LINK_10GTFD);
13678 			if (params->loopback_mode ==
13679 			    ELINK_LOOPBACK_BMAC)
13680 				elink_bmac_enable(params, vars, 1, 1);
13681 			else
13682 				elink_bmac_enable(params, vars, 0, 1);
13683 		}
13684 	}
13685 	vars->link_up = 1;
13686 	vars->duplex = DUPLEX_FULL;
13687 	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13688 
13689 		if (CHIP_IS_E1x(sc))
13690 			elink_pbf_update(params, vars->flow_ctrl,
13691 					 vars->line_speed);
13692 		/* Disable drain */
13693 		REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
13694 
13695 		/* update shared memory */
13696 		elink_update_mng(params, vars->link_status);
13697 	return ELINK_STATUS_OK;
13698 }
13699 #endif
13700 #ifdef ELINK_INCLUDE_FPGA
13701 static elink_status_t elink_init_fpga(struct elink_params *params,
13702 			    struct elink_vars *vars)
13703 {
13704 	/* Enable on E1.5 FPGA */
13705 	struct bnx2x_softc *sc = params->sc;
13706 	vars->duplex = DUPLEX_FULL;
13707 	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13708 	if (!(CHIP_IS_E1(sc))) {
13709 		vars->flow_ctrl = (ELINK_FLOW_CTRL_TX |
13710 				   ELINK_FLOW_CTRL_RX);
13711 		vars->link_status |= (LINK_STATUS_TX_FLOW_CONTROL_ENABLED |
13712 				      LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
13713 	}
13714 	if (CHIP_IS_E3(sc)) {
13715 		vars->line_speed = params->req_line_speed[0];
13716 		switch (vars->line_speed) {
13717 		case ELINK_SPEED_AUTO_NEG:
13718 			vars->line_speed = ELINK_SPEED_2500;
13719 		case ELINK_SPEED_2500:
13720 			vars->link_status = ELINK_LINK_2500TFD;
13721 			break;
13722 		case ELINK_SPEED_1000:
13723 			vars->link_status = ELINK_LINK_1000XFD;
13724 			break;
13725 		case ELINK_SPEED_100:
13726 			vars->link_status = ELINK_LINK_100TXFD;
13727 			break;
13728 		case ELINK_SPEED_10:
13729 			vars->link_status = ELINK_LINK_10TFD;
13730 			break;
13731 		default:
13732 			ELINK_DEBUG_P1(sc, "Invalid link speed %d",
13733 				   params->req_line_speed[0]);
13734 			return ELINK_STATUS_ERROR;
13735 		}
13736 		vars->link_status |= LINK_STATUS_LINK_UP;
13737 		if (params->loopback_mode == ELINK_LOOPBACK_UMAC)
13738 			elink_umac_enable(params, vars, 1);
13739 		else
13740 			elink_umac_enable(params, vars, 0);
13741 	} else {
13742 		vars->line_speed = ELINK_SPEED_10000;
13743 		vars->link_status = (LINK_STATUS_LINK_UP | ELINK_LINK_10GTFD);
13744 		if (params->loopback_mode == ELINK_LOOPBACK_EMAC)
13745 			elink_emac_enable(params, vars, 1);
13746 		else
13747 			elink_emac_enable(params, vars, 0);
13748 	}
13749 	vars->link_up = 1;
13750 
13751 	if (CHIP_IS_E1x(sc))
13752 		elink_pbf_update(params, vars->flow_ctrl,
13753 				 vars->line_speed);
13754 	/* Disable drain */
13755 	REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
13756 
13757 	/* Update shared memory */
13758 	elink_update_mng(params, vars->link_status);
13759 		return ELINK_STATUS_OK;
13760 }
13761 #endif
13762 static void elink_init_bmac_loopback(struct elink_params *params,
13763 				     struct elink_vars *vars)
13764 {
13765 	struct bnx2x_softc *sc = params->sc;
13766 		vars->link_up = 1;
13767 		vars->line_speed = ELINK_SPEED_10000;
13768 		vars->duplex = DUPLEX_FULL;
13769 		vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13770 		vars->mac_type = ELINK_MAC_TYPE_BMAC;
13771 
13772 		vars->phy_flags = PHY_XGXS_FLAG;
13773 
13774 		elink_xgxs_deassert(params);
13775 
13776 		/* Set bmac loopback */
13777 		elink_bmac_enable(params, vars, 1, 1);
13778 
13779 		REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
13780 }
13781 
13782 static void elink_init_emac_loopback(struct elink_params *params,
13783 				     struct elink_vars *vars)
13784 {
13785 	struct bnx2x_softc *sc = params->sc;
13786 		vars->link_up = 1;
13787 		vars->line_speed = ELINK_SPEED_1000;
13788 		vars->duplex = DUPLEX_FULL;
13789 		vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13790 		vars->mac_type = ELINK_MAC_TYPE_EMAC;
13791 
13792 		vars->phy_flags = PHY_XGXS_FLAG;
13793 
13794 		elink_xgxs_deassert(params);
13795 		/* Set bmac loopback */
13796 		elink_emac_enable(params, vars, 1);
13797 		elink_emac_program(params, vars);
13798 		REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
13799 }
13800 
13801 static void elink_init_xmac_loopback(struct elink_params *params,
13802 				     struct elink_vars *vars)
13803 {
13804 	struct bnx2x_softc *sc = params->sc;
13805 	vars->link_up = 1;
13806 	if (!params->req_line_speed[0])
13807 		vars->line_speed = ELINK_SPEED_10000;
13808 	else
13809 		vars->line_speed = params->req_line_speed[0];
13810 	vars->duplex = DUPLEX_FULL;
13811 	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13812 	vars->mac_type = ELINK_MAC_TYPE_XMAC;
13813 	vars->phy_flags = PHY_XGXS_FLAG;
13814 	/* Set WC to loopback mode since link is required to provide clock
13815 	 * to the XMAC in 20G mode
13816 	 */
13817 	elink_set_aer_mmd(params, &params->phy[0]);
13818 	elink_warpcore_reset_lane(sc, &params->phy[0], 0);
13819 	params->phy[ELINK_INT_PHY].config_loopback(
13820 			&params->phy[ELINK_INT_PHY],
13821 			params);
13822 
13823 	elink_xmac_enable(params, vars, 1);
13824 	REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
13825 }
13826 
13827 static void elink_init_umac_loopback(struct elink_params *params,
13828 				     struct elink_vars *vars)
13829 {
13830 	struct bnx2x_softc *sc = params->sc;
13831 	vars->link_up = 1;
13832 	vars->line_speed = ELINK_SPEED_1000;
13833 	vars->duplex = DUPLEX_FULL;
13834 	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13835 	vars->mac_type = ELINK_MAC_TYPE_UMAC;
13836 	vars->phy_flags = PHY_XGXS_FLAG;
13837 	elink_umac_enable(params, vars, 1);
13838 
13839 	REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
13840 }
13841 
13842 static void elink_init_xgxs_loopback(struct elink_params *params,
13843 				     struct elink_vars *vars)
13844 {
13845 	struct bnx2x_softc *sc = params->sc;
13846 	struct elink_phy *int_phy = &params->phy[ELINK_INT_PHY];
13847 	vars->link_up = 1;
13848 	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13849 	vars->duplex = DUPLEX_FULL;
13850 	if (params->req_line_speed[0] == ELINK_SPEED_1000)
13851 		vars->line_speed = ELINK_SPEED_1000;
13852 	else if ((params->req_line_speed[0] == ELINK_SPEED_20000) ||
13853 		 (int_phy->flags & ELINK_FLAGS_WC_DUAL_MODE))
13854 		vars->line_speed = ELINK_SPEED_20000;
13855 	else
13856 		vars->line_speed = ELINK_SPEED_10000;
13857 
13858 	if (!USES_WARPCORE(sc))
13859 		elink_xgxs_deassert(params);
13860 	elink_link_initialize(params, vars);
13861 
13862 	if (params->req_line_speed[0] == ELINK_SPEED_1000) {
13863 		if (USES_WARPCORE(sc))
13864 			elink_umac_enable(params, vars, 0);
13865 		else {
13866 			elink_emac_program(params, vars);
13867 			elink_emac_enable(params, vars, 0);
13868 		}
13869 	} else {
13870 		if (USES_WARPCORE(sc))
13871 			elink_xmac_enable(params, vars, 0);
13872 		else
13873 			elink_bmac_enable(params, vars, 0, 1);
13874 	}
13875 
13876 	if (params->loopback_mode == ELINK_LOOPBACK_XGXS) {
13877 		/* Set 10G XGXS loopback */
13878 		int_phy->config_loopback(int_phy, params);
13879 	} else {
13880 		/* Set external phy loopback */
13881 		uint8_t phy_index;
13882 		for (phy_index = ELINK_EXT_PHY1;
13883 		      phy_index < params->num_phys; phy_index++)
13884 			if (params->phy[phy_index].config_loopback)
13885 				params->phy[phy_index].config_loopback(
13886 					&params->phy[phy_index],
13887 					params);
13888 	}
13889 	REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
13890 
13891 	elink_set_led(params, vars, ELINK_LED_MODE_OPER, vars->line_speed);
13892 }
13893 
13894 void elink_set_rx_filter(struct elink_params *params, uint8_t en)
13895 {
13896 	struct bnx2x_softc *sc = params->sc;
13897 	uint8_t val = en * 0x1F;
13898 
13899 	/* Open / close the gate between the NIG and the BRB */
13900 	if (!CHIP_IS_E1x(sc))
13901 		val |= en * 0x20;
13902 	REG_WR(sc, NIG_REG_LLH0_BRB1_DRV_MASK + params->port * 4, val);
13903 
13904 	if (!CHIP_IS_E1(sc)) {
13905 		REG_WR(sc, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port * 4,
13906 		       en * 0x3);
13907 	}
13908 
13909 	REG_WR(sc, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
13910 		    NIG_REG_LLH0_BRB1_NOT_MCP), en);
13911 }
13912 static elink_status_t elink_avoid_link_flap(struct elink_params *params,
13913 					    struct elink_vars *vars)
13914 {
13915 	uint32_t phy_idx;
13916 	uint32_t dont_clear_stat, lfa_sts;
13917 	struct bnx2x_softc *sc = params->sc;
13918 
13919 	elink_set_mdio_emac_per_phy(sc, params);
13920 	/* Sync the link parameters */
13921 	elink_link_status_update(params, vars);
13922 
13923 	/*
13924 	 * The module verification was already done by previous link owner,
13925 	 * so this call is meant only to get warning message
13926 	 */
13927 
13928 	for (phy_idx = ELINK_INT_PHY; phy_idx < params->num_phys; phy_idx++) {
13929 		struct elink_phy *phy = &params->phy[phy_idx];
13930 		if (phy->phy_specific_func) {
13931 			ELINK_DEBUG_P0(sc, "Calling PHY specific func");
13932 			phy->phy_specific_func(phy, params, ELINK_PHY_INIT);
13933 		}
13934 		if ((phy->media_type == ELINK_ETH_PHY_SFPP_10G_FIBER) ||
13935 		    (phy->media_type == ELINK_ETH_PHY_SFP_1G_FIBER) ||
13936 		    (phy->media_type == ELINK_ETH_PHY_DA_TWINAX))
13937 			elink_verify_sfp_module(phy, params);
13938 	}
13939 	lfa_sts = REG_RD(sc, params->lfa_base +
13940 			 offsetof(struct shmem_lfa,
13941 				  lfa_sts));
13942 
13943 	dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
13944 
13945 	/* Re-enable the NIG/MAC */
13946 	if (CHIP_IS_E3(sc)) {
13947 		if (!dont_clear_stat) {
13948 			REG_WR(sc, GRCBASE_MISC +
13949 			       MISC_REGISTERS_RESET_REG_2_CLEAR,
13950 			       (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
13951 				params->port));
13952 			REG_WR(sc, GRCBASE_MISC +
13953 			       MISC_REGISTERS_RESET_REG_2_SET,
13954 			       (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
13955 				params->port));
13956 		}
13957 		if (vars->line_speed < ELINK_SPEED_10000)
13958 			elink_umac_enable(params, vars, 0);
13959 		else
13960 			elink_xmac_enable(params, vars, 0);
13961 	} else {
13962 		if (vars->line_speed < ELINK_SPEED_10000)
13963 			elink_emac_enable(params, vars, 0);
13964 		else
13965 			elink_bmac_enable(params, vars, 0, !dont_clear_stat);
13966 	}
13967 
13968 	/* Increment LFA count */
13969 	lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
13970 		   (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
13971 		       LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
13972 		    << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
13973 	/* Clear link flap reason */
13974 	lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
13975 
13976 	REG_WR(sc, params->lfa_base +
13977 	       offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
13978 
13979 	/* Disable NIG DRAIN */
13980 	REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
13981 
13982 	/* Enable interrupts */
13983 	elink_link_int_enable(params);
13984 	return ELINK_STATUS_OK;
13985 }
13986 
13987 static void elink_cannot_avoid_link_flap(struct elink_params *params,
13988 					 struct elink_vars *vars,
13989 					 int lfa_status)
13990 {
13991 	uint32_t lfa_sts, cfg_idx, tmp_val;
13992 	struct bnx2x_softc *sc = params->sc;
13993 
13994 	elink_link_reset(params, vars, 1);
13995 
13996 	if (!params->lfa_base)
13997 		return;
13998 	/* Store the new link parameters */
13999 	REG_WR(sc, params->lfa_base +
14000 	       offsetof(struct shmem_lfa, req_duplex),
14001 	       params->req_duplex[0] | (params->req_duplex[1] << 16));
14002 
14003 	REG_WR(sc, params->lfa_base +
14004 	       offsetof(struct shmem_lfa, req_flow_ctrl),
14005 	       params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
14006 
14007 	REG_WR(sc, params->lfa_base +
14008 	       offsetof(struct shmem_lfa, req_line_speed),
14009 	       params->req_line_speed[0] | (params->req_line_speed[1] << 16));
14010 
14011 	for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
14012 		REG_WR(sc, params->lfa_base +
14013 		       offsetof(struct shmem_lfa,
14014 				speed_cap_mask[cfg_idx]),
14015 		       params->speed_cap_mask[cfg_idx]);
14016 	}
14017 
14018 	tmp_val = REG_RD(sc, params->lfa_base +
14019 			 offsetof(struct shmem_lfa, additional_config));
14020 	tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
14021 	tmp_val |= params->req_fc_auto_adv;
14022 
14023 	REG_WR(sc, params->lfa_base +
14024 	       offsetof(struct shmem_lfa, additional_config), tmp_val);
14025 
14026 	lfa_sts = REG_RD(sc, params->lfa_base +
14027 			 offsetof(struct shmem_lfa, lfa_sts));
14028 
14029 	/* Clear the "Don't Clear Statistics" bit, and set reason */
14030 	lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
14031 
14032 	/* Set link flap reason */
14033 	lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
14034 	lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
14035 		    LFA_LINK_FLAP_REASON_OFFSET);
14036 
14037 	/* Increment link flap counter */
14038 	lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
14039 		   (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
14040 		       LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
14041 		    << LINK_FLAP_COUNT_OFFSET));
14042 	REG_WR(sc, params->lfa_base +
14043 	       offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
14044 	/* Proceed with regular link initialization */
14045 }
14046 
14047 elink_status_t elink_phy_init(struct elink_params *params,
14048 			      struct elink_vars *vars)
14049 {
14050 	int lfa_status;
14051 	struct bnx2x_softc *sc = params->sc;
14052 	ELINK_DEBUG_P0(sc, "Phy Initialization started");
14053 	ELINK_DEBUG_P2(sc, "(1) req_speed %d, req_flowctrl %d",
14054 		   params->req_line_speed[0], params->req_flow_ctrl[0]);
14055 	ELINK_DEBUG_P2(sc, "(2) req_speed %d, req_flowctrl %d",
14056 		   params->req_line_speed[1], params->req_flow_ctrl[1]);
14057 	ELINK_DEBUG_P1(sc, "req_adv_flow_ctrl 0x%x", params->req_fc_auto_adv);
14058 	vars->link_status = 0;
14059 	vars->phy_link_up = 0;
14060 	vars->link_up = 0;
14061 	vars->line_speed = 0;
14062 	vars->duplex = DUPLEX_FULL;
14063 	vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
14064 	vars->mac_type = ELINK_MAC_TYPE_NONE;
14065 	vars->phy_flags = 0;
14066 	vars->check_kr2_recovery_cnt = 0;
14067 	params->link_flags = ELINK_PHY_INITIALIZED;
14068 	/* Driver opens NIG-BRB filters */
14069 	elink_set_rx_filter(params, 1);
14070 	elink_chng_link_count(params, 1);
14071 	/* Check if link flap can be avoided */
14072 	lfa_status = elink_check_lfa(params);
14073 
14074 	ELINK_DEBUG_P3(sc, " params : port = %x, loopback_mode = %x req_duplex = %x",
14075 		       params->port, params->loopback_mode,
14076 		       params->req_duplex[0]);
14077 	ELINK_DEBUG_P3(sc, " params : switch_cfg = %x, lane_config = %x req_duplex[1] = %x",
14078 		       params->switch_cfg, params->lane_config,
14079 		       params->req_duplex[1]);
14080 	ELINK_DEBUG_P3(sc, " params : chip_id = %x, feature_config_flags = %x, num_phys = %x",
14081 		       params->chip_id, params->feature_config_flags,
14082 		       params->num_phys);
14083 	ELINK_DEBUG_P3(sc, " params : rsrv = %x, eee_mode = %x, hw_led_mode = %x",
14084 		       params->rsrv, params->eee_mode, params->hw_led_mode);
14085 	ELINK_DEBUG_P3(sc, " params : multi_phy = %x, req_fc_auto_adv = %x, link_flags = %x",
14086 		       params->multi_phy_config, params->req_fc_auto_adv,
14087 		       params->link_flags);
14088 	ELINK_DEBUG_P2(sc, " params : lfa_base = %x, link_attr = %x",
14089 		       params->lfa_base, params->link_attr_sync);
14090 	if (lfa_status == 0) {
14091 		ELINK_DEBUG_P0(sc, "Link Flap Avoidance in progress");
14092 		return elink_avoid_link_flap(params, vars);
14093 	}
14094 
14095 	ELINK_DEBUG_P1(sc, "Cannot avoid link flap lfa_sta=0x%x",
14096 		       lfa_status);
14097 	elink_cannot_avoid_link_flap(params, vars, lfa_status);
14098 
14099 	/* Disable attentions */
14100 	elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 + params->port * 4,
14101 		       (ELINK_NIG_MASK_XGXS0_LINK_STATUS |
14102 			ELINK_NIG_MASK_XGXS0_LINK10G |
14103 			ELINK_NIG_MASK_SERDES0_LINK_STATUS |
14104 			ELINK_NIG_MASK_MI_INT));
14105 #ifdef ELINK_INCLUDE_EMUL
14106 	if (!(params->feature_config_flags &
14107 	      ELINK_FEATURE_CONFIG_EMUL_DISABLE_EMAC))
14108 #endif
14109 
14110 	elink_emac_init(params, vars);
14111 
14112 	if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
14113 		vars->link_status |= LINK_STATUS_PFC_ENABLED;
14114 
14115 	if ((params->num_phys == 0) &&
14116 	    !CHIP_REV_IS_SLOW(sc)) {
14117 		ELINK_DEBUG_P0(sc, "No phy found for initialization !!");
14118 		return ELINK_STATUS_ERROR;
14119 	}
14120 	set_phy_vars(params, vars);
14121 
14122 	ELINK_DEBUG_P1(sc, "Num of phys on board: %d", params->num_phys);
14123 #ifdef ELINK_INCLUDE_FPGA
14124 	if (CHIP_REV_IS_FPGA(sc)) {
14125 		return elink_init_fpga(params, vars);
14126 	} else
14127 #endif
14128 #ifdef ELINK_INCLUDE_EMUL
14129 	if (CHIP_REV_IS_EMUL(sc)) {
14130 		return elink_init_emul(params, vars);
14131 	} else
14132 #endif
14133 	switch (params->loopback_mode) {
14134 	case ELINK_LOOPBACK_BMAC:
14135 		elink_init_bmac_loopback(params, vars);
14136 		break;
14137 	case ELINK_LOOPBACK_EMAC:
14138 		elink_init_emac_loopback(params, vars);
14139 		break;
14140 	case ELINK_LOOPBACK_XMAC:
14141 		elink_init_xmac_loopback(params, vars);
14142 		break;
14143 	case ELINK_LOOPBACK_UMAC:
14144 		elink_init_umac_loopback(params, vars);
14145 		break;
14146 	case ELINK_LOOPBACK_XGXS:
14147 	case ELINK_LOOPBACK_EXT_PHY:
14148 		elink_init_xgxs_loopback(params, vars);
14149 		break;
14150 	default:
14151 		if (!CHIP_IS_E3(sc)) {
14152 			if (params->switch_cfg == ELINK_SWITCH_CFG_10G)
14153 				elink_xgxs_deassert(params);
14154 			else
14155 				elink_serdes_deassert(sc, params->port);
14156 		}
14157 		elink_link_initialize(params, vars);
14158 		DELAY(1000 * 30);
14159 		elink_link_int_enable(params);
14160 		break;
14161 	}
14162 	elink_update_mng(params, vars->link_status);
14163 
14164 	elink_update_mng_eee(params, vars->eee_status);
14165 	return ELINK_STATUS_OK;
14166 }
14167 
14168 elink_status_t elink_link_reset(struct elink_params *params,
14169 		     struct elink_vars *vars,
14170 		     uint8_t reset_ext_phy)
14171 {
14172 	struct bnx2x_softc *sc = params->sc;
14173 	uint8_t phy_index, port = params->port, clear_latch_ind = 0;
14174 	ELINK_DEBUG_P1(sc, "Resetting the link of port %d", port);
14175 	/* Disable attentions */
14176 	vars->link_status = 0;
14177 	elink_chng_link_count(params, 1);
14178 	elink_update_mng(params, vars->link_status);
14179 	vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
14180 			      SHMEM_EEE_ACTIVE_BIT);
14181 	elink_update_mng_eee(params, vars->eee_status);
14182 	elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 + port * 4,
14183 		       (ELINK_NIG_MASK_XGXS0_LINK_STATUS |
14184 			ELINK_NIG_MASK_XGXS0_LINK10G |
14185 			ELINK_NIG_MASK_SERDES0_LINK_STATUS |
14186 			ELINK_NIG_MASK_MI_INT));
14187 
14188 	/* Activate nig drain */
14189 	REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + port * 4, 1);
14190 
14191 	/* Disable nig egress interface */
14192 	if (!CHIP_IS_E3(sc)) {
14193 		REG_WR(sc, NIG_REG_BMAC0_OUT_EN + port * 4, 0);
14194 		REG_WR(sc, NIG_REG_EGRESS_EMAC0_OUT_EN + port * 4, 0);
14195 	}
14196 
14197 #ifdef ELINK_INCLUDE_EMUL
14198 	/* Stop BigMac rx */
14199 	if (!(params->feature_config_flags &
14200 	      ELINK_FEATURE_CONFIG_EMUL_DISABLE_BMAC))
14201 #endif
14202 		if (!CHIP_IS_E3(sc))
14203 			elink_set_bmac_rx(sc, params->chip_id, port, 0);
14204 #ifdef ELINK_INCLUDE_EMUL
14205 	/* Stop XMAC/UMAC rx */
14206 	if (!(params->feature_config_flags &
14207 	      ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC))
14208 #endif
14209 		if (CHIP_IS_E3(sc) &&
14210 		!CHIP_REV_IS_FPGA(sc)) {
14211 			elink_set_xmac_rxtx(params, 0);
14212 			elink_set_umac_rxtx(params, 0);
14213 		}
14214 	/* Disable emac */
14215 	if (!CHIP_IS_E3(sc))
14216 		REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port * 4, 0);
14217 
14218 	DELAY(1000 * 10);
14219 	/* The PHY reset is controlled by GPIO 1
14220 	 * Hold it as vars low
14221 	 */
14222 	 /* Clear link led */
14223 	elink_set_mdio_emac_per_phy(sc, params);
14224 	elink_set_led(params, vars, ELINK_LED_MODE_OFF, 0);
14225 
14226 	if (reset_ext_phy && (!CHIP_REV_IS_SLOW(sc))) {
14227 		for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
14228 		      phy_index++) {
14229 			if (params->phy[phy_index].link_reset) {
14230 				elink_set_aer_mmd(params,
14231 						  &params->phy[phy_index]);
14232 				params->phy[phy_index].link_reset(
14233 					&params->phy[phy_index],
14234 					params);
14235 			}
14236 			if (params->phy[phy_index].flags &
14237 			    ELINK_FLAGS_REARM_LATCH_SIGNAL)
14238 				clear_latch_ind = 1;
14239 		}
14240 	}
14241 
14242 	if (clear_latch_ind) {
14243 		/* Clear latching indication */
14244 		elink_rearm_latch_signal(sc, port, 0);
14245 		elink_bits_dis(sc, NIG_REG_LATCH_BC_0 + port * 4,
14246 			       1 << ELINK_NIG_LATCH_BC_ENABLE_MI_INT);
14247 	}
14248 #if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
14249 	if (!CHIP_REV_IS_SLOW(sc))
14250 #endif
14251 	if (params->phy[ELINK_INT_PHY].link_reset)
14252 		params->phy[ELINK_INT_PHY].link_reset(
14253 			&params->phy[ELINK_INT_PHY], params);
14254 
14255 	/* Disable nig ingress interface */
14256 	if (!CHIP_IS_E3(sc)) {
14257 		/* Reset BigMac */
14258 		REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
14259 		       (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
14260 		REG_WR(sc, NIG_REG_BMAC0_IN_EN + port * 4, 0);
14261 		REG_WR(sc, NIG_REG_EMAC0_IN_EN + port * 4, 0);
14262 	} else {
14263 		uint32_t xmac_base = (params->port) ? GRCBASE_XMAC1 :
14264 						      GRCBASE_XMAC0;
14265 		elink_set_xumac_nig(params, 0, 0);
14266 		if (REG_RD(sc, MISC_REG_RESET_REG_2) &
14267 		    MISC_REGISTERS_RESET_REG_2_XMAC)
14268 			REG_WR(sc, xmac_base + XMAC_REG_CTRL,
14269 			       XMAC_CTRL_REG_SOFT_RESET);
14270 	}
14271 	vars->link_up = 0;
14272 	vars->phy_flags = 0;
14273 	return ELINK_STATUS_OK;
14274 }
14275 elink_status_t elink_lfa_reset(struct elink_params *params,
14276 			       struct elink_vars *vars)
14277 {
14278 	struct bnx2x_softc *sc = params->sc;
14279 	vars->link_up = 0;
14280 	vars->phy_flags = 0;
14281 	params->link_flags &= ~ELINK_PHY_INITIALIZED;
14282 	if (!params->lfa_base)
14283 		return elink_link_reset(params, vars, 1);
14284 	/*
14285 	 * Activate NIG drain so that during this time the device won't send
14286 	 * anything while it is unable to response.
14287 	 */
14288 	REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 1);
14289 
14290 	/*
14291 	 * Close gracefully the gate from BMAC to NIG such that no half packets
14292 	 * are passed.
14293 	 */
14294 	if (!CHIP_IS_E3(sc))
14295 		elink_set_bmac_rx(sc, params->chip_id, params->port, 0);
14296 
14297 	if (CHIP_IS_E3(sc)) {
14298 		elink_set_xmac_rxtx(params, 0);
14299 		elink_set_umac_rxtx(params, 0);
14300 	}
14301 	/* Wait 10ms for the pipe to clean up*/
14302 	DELAY(1000 * 10);
14303 
14304 	/* Clean the NIG-BRB using the network filters in a way that will
14305 	 * not cut a packet in the middle.
14306 	 */
14307 	elink_set_rx_filter(params, 0);
14308 
14309 	/*
14310 	 * Re-open the gate between the BMAC and the NIG, after verifying the
14311 	 * gate to the BRB is closed, otherwise packets may arrive to the
14312 	 * firmware before driver had initialized it. The target is to achieve
14313 	 * minimum management protocol down time.
14314 	 */
14315 	if (!CHIP_IS_E3(sc))
14316 		elink_set_bmac_rx(sc, params->chip_id, params->port, 1);
14317 
14318 	if (CHIP_IS_E3(sc)) {
14319 		elink_set_xmac_rxtx(params, 1);
14320 		elink_set_umac_rxtx(params, 1);
14321 	}
14322 	/* Disable NIG drain */
14323 	REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
14324 	return ELINK_STATUS_OK;
14325 }
14326 
14327 /****************************************************************************/
14328 /*				Common function				    */
14329 /****************************************************************************/
14330 static elink_status_t elink_8073_common_init_phy(struct bnx2x_softc *sc,
14331 				      uint32_t shmem_base_path[],
14332 				      uint32_t shmem2_base_path[],
14333 				      uint8_t phy_index,
14334 				      __rte_unused uint32_t chip_id)
14335 {
14336 	struct elink_phy phy[PORT_MAX];
14337 	struct elink_phy *phy_blk[PORT_MAX];
14338 	uint16_t val;
14339 	int8_t port = 0;
14340 	int8_t port_of_path = 0;
14341 	uint32_t swap_val, swap_override;
14342 	swap_val = REG_RD(sc,  NIG_REG_PORT_SWAP);
14343 	swap_override = REG_RD(sc,  NIG_REG_STRAP_OVERRIDE);
14344 	port ^= (swap_val && swap_override);
14345 	elink_ext_phy_hw_reset(sc, port);
14346 	/* PART1 - Reset both phys */
14347 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
14348 		uint32_t shmem_base, shmem2_base;
14349 		/* In E2, same phy is using for port0 of the two paths */
14350 		if (CHIP_IS_E1x(sc)) {
14351 			shmem_base = shmem_base_path[0];
14352 			shmem2_base = shmem2_base_path[0];
14353 			port_of_path = port;
14354 		} else {
14355 			shmem_base = shmem_base_path[port];
14356 			shmem2_base = shmem2_base_path[port];
14357 			port_of_path = 0;
14358 		}
14359 
14360 		/* Extract the ext phy address for the port */
14361 		if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base,
14362 				       port_of_path, &phy[port]) !=
14363 		    ELINK_STATUS_OK) {
14364 			ELINK_DEBUG_P0(sc, "populate_phy failed");
14365 			return ELINK_STATUS_ERROR;
14366 		}
14367 		/* Disable attentions */
14368 		elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 +
14369 			       port_of_path * 4,
14370 			       (ELINK_NIG_MASK_XGXS0_LINK_STATUS |
14371 				ELINK_NIG_MASK_XGXS0_LINK10G |
14372 				ELINK_NIG_MASK_SERDES0_LINK_STATUS |
14373 				ELINK_NIG_MASK_MI_INT));
14374 
14375 		/* Need to take the phy out of low power mode in order
14376 		 * to write to access its registers
14377 		 */
14378 		elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
14379 			       MISC_REGISTERS_GPIO_OUTPUT_HIGH,
14380 			       port);
14381 
14382 		/* Reset the phy */
14383 		elink_cl45_write(sc, &phy[port],
14384 				 MDIO_PMA_DEVAD,
14385 				 MDIO_PMA_REG_CTRL,
14386 				 1 << 15);
14387 	}
14388 
14389 	/* Add delay of 150ms after reset */
14390 	DELAY(1000 * 150);
14391 
14392 	if (phy[PORT_0].addr & 0x1) {
14393 		phy_blk[PORT_0] = &(phy[PORT_1]);
14394 		phy_blk[PORT_1] = &(phy[PORT_0]);
14395 	} else {
14396 		phy_blk[PORT_0] = &(phy[PORT_0]);
14397 		phy_blk[PORT_1] = &(phy[PORT_1]);
14398 	}
14399 
14400 	/* PART2 - Download firmware to both phys */
14401 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
14402 		if (CHIP_IS_E1x(sc))
14403 			port_of_path = port;
14404 		else
14405 			port_of_path = 0;
14406 
14407 		ELINK_DEBUG_P1(sc, "Loading spirom for phy address 0x%x",
14408 			   phy_blk[port]->addr);
14409 		if (elink_8073_8727_external_rom_boot(sc, phy_blk[port],
14410 						      port_of_path))
14411 			return ELINK_STATUS_ERROR;
14412 
14413 		/* Only set bit 10 = 1 (Tx power down) */
14414 		elink_cl45_read(sc, phy_blk[port],
14415 				MDIO_PMA_DEVAD,
14416 				MDIO_PMA_REG_TX_POWER_DOWN, &val);
14417 
14418 		/* Phase1 of TX_POWER_DOWN reset */
14419 		elink_cl45_write(sc, phy_blk[port],
14420 				 MDIO_PMA_DEVAD,
14421 				 MDIO_PMA_REG_TX_POWER_DOWN,
14422 				 (val | 1 << 10));
14423 	}
14424 
14425 	/* Toggle Transmitter: Power down and then up with 600ms delay
14426 	 * between
14427 	 */
14428 	DELAY(1000 * 600);
14429 
14430 	/* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
14431 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
14432 		/* Phase2 of POWER_DOWN_RESET */
14433 		/* Release bit 10 (Release Tx power down) */
14434 		elink_cl45_read(sc, phy_blk[port],
14435 				MDIO_PMA_DEVAD,
14436 				MDIO_PMA_REG_TX_POWER_DOWN, &val);
14437 
14438 		elink_cl45_write(sc, phy_blk[port],
14439 				MDIO_PMA_DEVAD,
14440 				MDIO_PMA_REG_TX_POWER_DOWN,
14441 				(val & (~(1 << 10))));
14442 		DELAY(1000 * 15);
14443 
14444 		/* Read modify write the SPI-ROM version select register */
14445 		elink_cl45_read(sc, phy_blk[port],
14446 				MDIO_PMA_DEVAD,
14447 				MDIO_PMA_REG_EDC_FFE_MAIN, &val);
14448 		elink_cl45_write(sc, phy_blk[port],
14449 				 MDIO_PMA_DEVAD,
14450 				 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1 << 12)));
14451 
14452 		/* set GPIO2 back to LOW */
14453 		elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
14454 			       MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
14455 	}
14456 	return ELINK_STATUS_OK;
14457 }
14458 static elink_status_t elink_8726_common_init_phy(struct bnx2x_softc *sc,
14459 				      uint32_t shmem_base_path[],
14460 				      uint32_t shmem2_base_path[],
14461 				      uint8_t phy_index,
14462 				      __rte_unused uint32_t chip_id)
14463 {
14464 	uint32_t val;
14465 	int8_t port;
14466 	struct elink_phy phy;
14467 	/* Use port1 because of the static port-swap */
14468 	/* Enable the module detection interrupt */
14469 	val = REG_RD(sc, MISC_REG_GPIO_EVENT_EN);
14470 	val |= ((1 << MISC_REGISTERS_GPIO_3) |
14471 		(1 << (MISC_REGISTERS_GPIO_3 +
14472 		 MISC_REGISTERS_GPIO_PORT_SHIFT)));
14473 	REG_WR(sc, MISC_REG_GPIO_EVENT_EN, val);
14474 
14475 	elink_ext_phy_hw_reset(sc, 0);
14476 	DELAY(1000 * 5);
14477 	for (port = 0; port < PORT_MAX; port++) {
14478 		uint32_t shmem_base, shmem2_base;
14479 
14480 		/* In E2, same phy is using for port0 of the two paths */
14481 		if (CHIP_IS_E1x(sc)) {
14482 			shmem_base = shmem_base_path[0];
14483 			shmem2_base = shmem2_base_path[0];
14484 		} else {
14485 			shmem_base = shmem_base_path[port];
14486 			shmem2_base = shmem2_base_path[port];
14487 		}
14488 		/* Extract the ext phy address for the port */
14489 		if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base,
14490 				       port, &phy) !=
14491 		    ELINK_STATUS_OK) {
14492 			ELINK_DEBUG_P0(sc, "populate phy failed");
14493 			return ELINK_STATUS_ERROR;
14494 		}
14495 
14496 		/* Reset phy*/
14497 		elink_cl45_write(sc, &phy,
14498 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
14499 
14500 
14501 		/* Set fault module detected LED on */
14502 		elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_0,
14503 			       MISC_REGISTERS_GPIO_HIGH,
14504 			       port);
14505 	}
14506 
14507 	return ELINK_STATUS_OK;
14508 }
14509 static void elink_get_ext_phy_reset_gpio(struct bnx2x_softc *sc,
14510 					 uint32_t shmem_base,
14511 					 uint8_t *io_gpio, uint8_t *io_port)
14512 {
14513 
14514 	uint32_t phy_gpio_reset = REG_RD(sc, shmem_base +
14515 					  offsetof(struct shmem_region,
14516 				dev_info.port_hw_config[PORT_0].default_cfg));
14517 	switch (phy_gpio_reset) {
14518 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
14519 		*io_gpio = 0;
14520 		*io_port = 0;
14521 		break;
14522 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
14523 		*io_gpio = 1;
14524 		*io_port = 0;
14525 		break;
14526 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
14527 		*io_gpio = 2;
14528 		*io_port = 0;
14529 		break;
14530 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
14531 		*io_gpio = 3;
14532 		*io_port = 0;
14533 		break;
14534 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
14535 		*io_gpio = 0;
14536 		*io_port = 1;
14537 		break;
14538 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
14539 		*io_gpio = 1;
14540 		*io_port = 1;
14541 		break;
14542 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
14543 		*io_gpio = 2;
14544 		*io_port = 1;
14545 		break;
14546 	case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
14547 		*io_gpio = 3;
14548 		*io_port = 1;
14549 		break;
14550 	default:
14551 		/* Don't override the io_gpio and io_port */
14552 		break;
14553 	}
14554 }
14555 
14556 static elink_status_t elink_8727_common_init_phy(struct bnx2x_softc *sc,
14557 				      uint32_t shmem_base_path[],
14558 				      uint32_t shmem2_base_path[],
14559 				      uint8_t phy_index,
14560 				      __rte_unused uint32_t chip_id)
14561 {
14562 	int8_t port, reset_gpio;
14563 	uint32_t swap_val, swap_override;
14564 	struct elink_phy phy[PORT_MAX];
14565 	struct elink_phy *phy_blk[PORT_MAX];
14566 	int8_t port_of_path;
14567 	swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
14568 	swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
14569 
14570 	reset_gpio = MISC_REGISTERS_GPIO_1;
14571 	port = 1;
14572 
14573 	/* Retrieve the reset gpio/port which control the reset.
14574 	 * Default is GPIO1, PORT1
14575 	 */
14576 	elink_get_ext_phy_reset_gpio(sc, shmem_base_path[0],
14577 				     (uint8_t *)&reset_gpio, (uint8_t *)&port);
14578 
14579 	/* Calculate the port based on port swap */
14580 	port ^= (swap_val && swap_override);
14581 
14582 	/* Initiate PHY reset*/
14583 	elink_cb_gpio_write(sc, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
14584 		       port);
14585 	DELAY(1000 * 1);
14586 	elink_cb_gpio_write(sc, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
14587 		       port);
14588 
14589 	DELAY(1000 * 5);
14590 
14591 	/* PART1 - Reset both phys */
14592 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
14593 		uint32_t shmem_base, shmem2_base;
14594 
14595 		/* In E2, same phy is using for port0 of the two paths */
14596 		if (CHIP_IS_E1x(sc)) {
14597 			shmem_base = shmem_base_path[0];
14598 			shmem2_base = shmem2_base_path[0];
14599 			port_of_path = port;
14600 		} else {
14601 			shmem_base = shmem_base_path[port];
14602 			shmem2_base = shmem2_base_path[port];
14603 			port_of_path = 0;
14604 		}
14605 
14606 		/* Extract the ext phy address for the port */
14607 		if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base,
14608 				       port_of_path, &phy[port]) !=
14609 				       ELINK_STATUS_OK) {
14610 			ELINK_DEBUG_P0(sc, "populate phy failed");
14611 			return ELINK_STATUS_ERROR;
14612 		}
14613 		/* disable attentions */
14614 		elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 +
14615 			       port_of_path * 4,
14616 			       (ELINK_NIG_MASK_XGXS0_LINK_STATUS |
14617 				ELINK_NIG_MASK_XGXS0_LINK10G |
14618 				ELINK_NIG_MASK_SERDES0_LINK_STATUS |
14619 				ELINK_NIG_MASK_MI_INT));
14620 
14621 
14622 		/* Reset the phy */
14623 		elink_cl45_write(sc, &phy[port],
14624 				 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1 << 15);
14625 	}
14626 
14627 	/* Add delay of 150ms after reset */
14628 	DELAY(1000 * 150);
14629 	if (phy[PORT_0].addr & 0x1) {
14630 		phy_blk[PORT_0] = &(phy[PORT_1]);
14631 		phy_blk[PORT_1] = &(phy[PORT_0]);
14632 	} else {
14633 		phy_blk[PORT_0] = &(phy[PORT_0]);
14634 		phy_blk[PORT_1] = &(phy[PORT_1]);
14635 	}
14636 	/* PART2 - Download firmware to both phys */
14637 	for (port = PORT_MAX - 1; port >= PORT_0; port--) {
14638 		if (CHIP_IS_E1x(sc))
14639 			port_of_path = port;
14640 		else
14641 			port_of_path = 0;
14642 		ELINK_DEBUG_P1(sc, "Loading spirom for phy address 0x%x",
14643 			   phy_blk[port]->addr);
14644 		if (elink_8073_8727_external_rom_boot(sc, phy_blk[port],
14645 						      port_of_path))
14646 			return ELINK_STATUS_ERROR;
14647 		/* Disable PHY transmitter output */
14648 		elink_cl45_write(sc, phy_blk[port],
14649 				 MDIO_PMA_DEVAD,
14650 				 MDIO_PMA_REG_TX_DISABLE, 1);
14651 
14652 	}
14653 	return ELINK_STATUS_OK;
14654 }
14655 
14656 static elink_status_t elink_84833_common_init_phy(struct bnx2x_softc *sc,
14657 				uint32_t shmem_base_path[],
14658 				__rte_unused uint32_t shmem2_base_path[],
14659 				__rte_unused uint8_t phy_index,
14660 				uint32_t chip_id)
14661 {
14662 	uint8_t reset_gpios;
14663 	reset_gpios = elink_84833_get_reset_gpios(sc, shmem_base_path, chip_id);
14664 	elink_cb_gpio_mult_write(sc, reset_gpios,
14665 				 MISC_REGISTERS_GPIO_OUTPUT_LOW);
14666 	DELAY(10);
14667 	elink_cb_gpio_mult_write(sc, reset_gpios,
14668 				 MISC_REGISTERS_GPIO_OUTPUT_HIGH);
14669 	ELINK_DEBUG_P1(sc, "84833 reset pulse on pin values 0x%x",
14670 		reset_gpios);
14671 	return ELINK_STATUS_OK;
14672 }
14673 static elink_status_t elink_ext_phy_common_init(struct bnx2x_softc *sc,
14674 				     uint32_t shmem_base_path[],
14675 				     uint32_t shmem2_base_path[],
14676 				     uint8_t phy_index,
14677 				     uint32_t ext_phy_type, uint32_t chip_id)
14678 {
14679 	elink_status_t rc = ELINK_STATUS_OK;
14680 
14681 	switch (ext_phy_type) {
14682 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8073:
14683 		rc = elink_8073_common_init_phy(sc, shmem_base_path,
14684 						shmem2_base_path,
14685 						phy_index, chip_id);
14686 		break;
14687 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8722:
14688 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8727:
14689 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8727_NOC:
14690 		rc = elink_8727_common_init_phy(sc, shmem_base_path,
14691 						shmem2_base_path,
14692 						phy_index, chip_id);
14693 		break;
14694 
14695 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8726:
14696 		/* GPIO1 affects both ports, so there's need to pull
14697 		 * it for single port alone
14698 		 */
14699 		rc = elink_8726_common_init_phy(sc, shmem_base_path,
14700 						shmem2_base_path,
14701 						phy_index, chip_id);
14702 		break;
14703 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84833:
14704 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84834:
14705 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84858:
14706 		/* GPIO3's are linked, and so both need to be toggled
14707 		 * to obtain required 2us pulse.
14708 		 */
14709 		rc = elink_84833_common_init_phy(sc, shmem_base_path,
14710 						shmem2_base_path,
14711 						phy_index, chip_id);
14712 		break;
14713 	case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
14714 		rc = ELINK_STATUS_ERROR;
14715 		break;
14716 	default:
14717 		ELINK_DEBUG_P1(sc,
14718 			   "ext_phy 0x%x common init not required",
14719 			   ext_phy_type);
14720 		break;
14721 	}
14722 
14723 	if (rc != ELINK_STATUS_OK)
14724 		elink_cb_event_log(sc, ELINK_LOG_ID_PHY_UNINITIALIZED, 0);
14725 				     /* "Warning: PHY was not initialized,"
14726 				      * " Port %d",
14727 				      */
14728 
14729 	return rc;
14730 }
14731 
14732 elink_status_t elink_common_init_phy(struct bnx2x_softc *sc,
14733 			  uint32_t shmem_base_path[],
14734 			  uint32_t shmem2_base_path[], uint32_t chip_id,
14735 			  __rte_unused uint8_t one_port_enabled)
14736 {
14737 	elink_status_t rc = ELINK_STATUS_OK;
14738 	uint32_t phy_ver, val;
14739 	uint8_t phy_index = 0;
14740 	uint32_t ext_phy_type, ext_phy_config;
14741 #if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
14742 	if (CHIP_REV_IS_EMUL(sc) || CHIP_REV_IS_FPGA(sc))
14743 		return ELINK_STATUS_OK;
14744 #endif
14745 
14746 	elink_set_mdio_clk(sc, chip_id, GRCBASE_EMAC0);
14747 	elink_set_mdio_clk(sc, chip_id, GRCBASE_EMAC1);
14748 	ELINK_DEBUG_P0(sc, "Begin common phy init");
14749 	if (CHIP_IS_E3(sc)) {
14750 		/* Enable EPIO */
14751 		val = REG_RD(sc, MISC_REG_GEN_PURP_HWG);
14752 		REG_WR(sc, MISC_REG_GEN_PURP_HWG, val | 1);
14753 	}
14754 	/* Check if common init was already done */
14755 	phy_ver = REG_RD(sc, shmem_base_path[0] +
14756 			 offsetof(struct shmem_region,
14757 				  port_mb[PORT_0].ext_phy_fw_version));
14758 	if (phy_ver) {
14759 		ELINK_DEBUG_P1(sc, "Not doing common init; phy ver is 0x%x",
14760 			       phy_ver);
14761 		return ELINK_STATUS_OK;
14762 	}
14763 
14764 	/* Read the ext_phy_type for arbitrary port(0) */
14765 	for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS;
14766 	      phy_index++) {
14767 		ext_phy_config = elink_get_ext_phy_config(sc,
14768 							  shmem_base_path[0],
14769 							  phy_index, 0);
14770 		ext_phy_type = ELINK_XGXS_EXT_PHY_TYPE(ext_phy_config);
14771 		rc |= elink_ext_phy_common_init(sc, shmem_base_path,
14772 						shmem2_base_path,
14773 						phy_index, ext_phy_type,
14774 						chip_id);
14775 	}
14776 	return rc;
14777 }
14778 
14779 static void elink_check_over_curr(struct elink_params *params,
14780 				  struct elink_vars *vars)
14781 {
14782 	struct bnx2x_softc *sc = params->sc;
14783 	uint32_t cfg_pin;
14784 	uint8_t port = params->port;
14785 	uint32_t pin_val;
14786 
14787 	cfg_pin = (REG_RD(sc, params->shmem_base +
14788 			  offsetof(struct shmem_region,
14789 			       dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
14790 		   PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
14791 		PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
14792 
14793 	/* Ignore check if no external input PIN available */
14794 	if (elink_get_cfg_pin(sc, cfg_pin, &pin_val) != ELINK_STATUS_OK)
14795 		return;
14796 
14797 	if (!pin_val) {
14798 		if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
14799 			elink_cb_event_log(sc, ELINK_LOG_ID_OVER_CURRENT,
14800 					   params->port);
14801 					/* "Error:  Power fault on Port %d has"
14802 					 *  " been detected and the power to "
14803 					 *  "that SFP+ module has been removed"
14804 					 *  " to prevent failure of the card."
14805 					 *  " Please remove the SFP+ module and"
14806 					 *  " restart the system to clear this"
14807 					 *  " error.",
14808 					 */
14809 			vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
14810 			elink_warpcore_power_module(params, 0);
14811 		}
14812 	} else
14813 		vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
14814 }
14815 
14816 /* Returns 0 if no change occurred since last check; 1 otherwise. */
14817 static uint8_t elink_analyze_link_error(struct elink_params *params,
14818 				    struct elink_vars *vars, uint32_t status,
14819 				    uint32_t phy_flag, uint32_t link_flag,
14820 				    uint8_t notify)
14821 {
14822 	struct bnx2x_softc *sc = params->sc;
14823 	/* Compare new value with previous value */
14824 	uint8_t led_mode;
14825 	uint32_t old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
14826 
14827 	if ((status ^ old_status) == 0)
14828 		return 0;
14829 
14830 	/* If values differ */
14831 	switch (phy_flag) {
14832 	case PHY_HALF_OPEN_CONN_FLAG:
14833 		ELINK_DEBUG_P0(sc, "Analyze Remote Fault");
14834 		break;
14835 	case PHY_SFP_TX_FAULT_FLAG:
14836 		ELINK_DEBUG_P0(sc, "Analyze TX Fault");
14837 		break;
14838 	default:
14839 		ELINK_DEBUG_P0(sc, "Analyze UNKNOWN");
14840 	}
14841 	ELINK_DEBUG_P3(sc, "Link changed:[%x %x]->%x", vars->link_up,
14842 	   old_status, status);
14843 
14844 	/* Do not touch the link in case physical link down */
14845 	if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
14846 		return 1;
14847 
14848 	/* a. Update shmem->link_status accordingly
14849 	 * b. Update elink_vars->link_up
14850 	 */
14851 	if (status) {
14852 		vars->link_status &= ~LINK_STATUS_LINK_UP;
14853 		vars->link_status |= link_flag;
14854 		vars->link_up = 0;
14855 		vars->phy_flags |= phy_flag;
14856 
14857 		/* activate nig drain */
14858 		REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 1);
14859 		/* Set LED mode to off since the PHY doesn't know about these
14860 		 * errors
14861 		 */
14862 		led_mode = ELINK_LED_MODE_OFF;
14863 	} else {
14864 		vars->link_status |= LINK_STATUS_LINK_UP;
14865 		vars->link_status &= ~link_flag;
14866 		vars->link_up = 1;
14867 		vars->phy_flags &= ~phy_flag;
14868 		led_mode = ELINK_LED_MODE_OPER;
14869 
14870 		/* Clear nig drain */
14871 		REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
14872 	}
14873 	elink_sync_link(params, vars);
14874 	/* Update the LED according to the link state */
14875 	elink_set_led(params, vars, led_mode, ELINK_SPEED_10000);
14876 
14877 	/* Update link status in the shared memory */
14878 	elink_update_mng(params, vars->link_status);
14879 
14880 	/* C. Trigger General Attention */
14881 	vars->periodic_flags |= ELINK_PERIODIC_FLAGS_LINK_EVENT;
14882 	if (notify)
14883 		elink_cb_notify_link_changed(sc);
14884 
14885 	return 1;
14886 }
14887 
14888 /******************************************************************************
14889  * Description:
14890  *	This function checks for half opened connection change indication.
14891  *	When such change occurs, it calls the elink_analyze_link_error
14892  *	to check if Remote Fault is set or cleared. Reception of remote fault
14893  *	status message in the MAC indicates that the peer's MAC has detected
14894  *	a fault, for example, due to break in the TX side of fiber.
14895  *
14896  ******************************************************************************/
14897 static
14898 elink_status_t elink_check_half_open_conn(struct elink_params *params,
14899 				struct elink_vars *vars,
14900 				uint8_t notify)
14901 {
14902 	struct bnx2x_softc *sc = params->sc;
14903 	uint32_t lss_status = 0;
14904 	uint32_t mac_base;
14905 	/* In case link status is physically up @ 10G do */
14906 	if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
14907 	    (REG_RD(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port * 4)))
14908 		return ELINK_STATUS_OK;
14909 
14910 	if (CHIP_IS_E3(sc) &&
14911 	    (REG_RD(sc, MISC_REG_RESET_REG_2) &
14912 	      (MISC_REGISTERS_RESET_REG_2_XMAC))) {
14913 		/* Check E3 XMAC */
14914 		/* Note that link speed cannot be queried here, since it may be
14915 		 * zero while link is down. In case UMAC is active, LSS will
14916 		 * simply not be set
14917 		 */
14918 		mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
14919 
14920 		/* Clear stick bits (Requires rising edge) */
14921 		REG_WR(sc, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
14922 		REG_WR(sc, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
14923 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
14924 		       XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
14925 		if (REG_RD(sc, mac_base + XMAC_REG_RX_LSS_STATUS))
14926 			lss_status = 1;
14927 
14928 		elink_analyze_link_error(params, vars, lss_status,
14929 					 PHY_HALF_OPEN_CONN_FLAG,
14930 					 LINK_STATUS_NONE, notify);
14931 	} else if (REG_RD(sc, MISC_REG_RESET_REG_2) &
14932 		   (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
14933 		/* Check E1X / E2 BMAC */
14934 		uint32_t lss_status_reg;
14935 		uint32_t wb_data[2];
14936 		mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
14937 			NIG_REG_INGRESS_BMAC0_MEM;
14938 		/*  Read BIGMAC_REGISTER_RX_LSS_STATUS */
14939 		if (CHIP_IS_E2(sc))
14940 			lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
14941 		else
14942 			lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
14943 
14944 		REG_RD_DMAE(sc, mac_base + lss_status_reg, wb_data, 2);
14945 		lss_status = (wb_data[0] > 0);
14946 
14947 		elink_analyze_link_error(params, vars, lss_status,
14948 					 PHY_HALF_OPEN_CONN_FLAG,
14949 					 LINK_STATUS_NONE, notify);
14950 	}
14951 	return ELINK_STATUS_OK;
14952 }
14953 static void elink_sfp_tx_fault_detection(struct elink_phy *phy,
14954 					 struct elink_params *params,
14955 					 struct elink_vars *vars)
14956 {
14957 	struct bnx2x_softc *sc = params->sc;
14958 	uint32_t cfg_pin, value = 0;
14959 	uint8_t led_change, port = params->port;
14960 
14961 	/* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
14962 	cfg_pin = (REG_RD(sc, params->shmem_base + offsetof(struct shmem_region,
14963 			  dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
14964 		   PORT_HW_CFG_E3_TX_FAULT_MASK) >>
14965 		  PORT_HW_CFG_E3_TX_FAULT_SHIFT;
14966 
14967 	if (elink_get_cfg_pin(sc, cfg_pin, &value)) {
14968 		ELINK_DEBUG_P1(sc, "Failed to read pin 0x%02x", cfg_pin);
14969 		return;
14970 	}
14971 
14972 	led_change = elink_analyze_link_error(params, vars, value,
14973 					      PHY_SFP_TX_FAULT_FLAG,
14974 					      LINK_STATUS_SFP_TX_FAULT, 1);
14975 
14976 	if (led_change) {
14977 		/* Change TX_Fault led, set link status for further syncs */
14978 		uint8_t led_mode;
14979 
14980 		if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
14981 			led_mode = MISC_REGISTERS_GPIO_HIGH;
14982 			vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
14983 		} else {
14984 			led_mode = MISC_REGISTERS_GPIO_LOW;
14985 			vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
14986 		}
14987 
14988 		/* If module is unapproved, led should be on regardless */
14989 		if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED)) {
14990 			ELINK_DEBUG_P1(sc, "Change TX_Fault LED: ->%x",
14991 			   led_mode);
14992 			elink_set_e3_module_fault_led(params, led_mode);
14993 		}
14994 	}
14995 }
14996 static void elink_kr2_recovery(struct elink_params *params,
14997 			       struct elink_vars *vars,
14998 			       struct elink_phy *phy)
14999 {
15000 	struct bnx2x_softc *sc = params->sc;
15001 	ELINK_DEBUG_P0(sc, "KR2 recovery");
15002 	elink_warpcore_enable_AN_KR2(phy, params, vars);
15003 	elink_warpcore_restart_AN_KR(phy, params);
15004 }
15005 
15006 static void elink_check_kr2_wa(struct elink_params *params,
15007 			       struct elink_vars *vars,
15008 			       struct elink_phy *phy)
15009 {
15010 	struct bnx2x_softc *sc = params->sc;
15011 	uint16_t base_page, next_page, not_kr2_device, lane;
15012 	int sigdet;
15013 
15014 	/* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
15015 	 * Since some switches tend to reinit the AN process and clear the
15016 	 * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
15017 	 * and recovered many times
15018 	 */
15019 	if (vars->check_kr2_recovery_cnt > 0) {
15020 		vars->check_kr2_recovery_cnt--;
15021 		return;
15022 	}
15023 
15024 	sigdet = elink_warpcore_get_sigdet(phy, params);
15025 	if (!sigdet) {
15026 		if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
15027 			elink_kr2_recovery(params, vars, phy);
15028 			ELINK_DEBUG_P0(sc, "No sigdet");
15029 		}
15030 		return;
15031 	}
15032 
15033 	lane = elink_get_warpcore_lane(phy, params);
15034 	CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
15035 			  MDIO_AER_BLOCK_AER_REG, lane);
15036 	elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
15037 			MDIO_AN_REG_LP_AUTO_NEG, &base_page);
15038 	elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
15039 			MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
15040 	elink_set_aer_mmd(params, phy);
15041 
15042 	/* CL73 has not begun yet */
15043 	if (base_page == 0) {
15044 		if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
15045 			elink_kr2_recovery(params, vars, phy);
15046 			ELINK_DEBUG_P0(sc, "No BP");
15047 		}
15048 		return;
15049 	}
15050 
15051 	/* In case NP bit is not set in the BasePage, or it is set,
15052 	 * but only KX is advertised, declare this link partner as non-KR2
15053 	 * device.
15054 	 */
15055 	not_kr2_device = (((base_page & 0x8000) == 0) ||
15056 			  (((base_page & 0x8000) &&
15057 			    ((next_page & 0xe0) == 0x20))));
15058 
15059 	/* In case KR2 is already disabled, check if we need to re-enable it */
15060 	if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
15061 		if (!not_kr2_device) {
15062 			ELINK_DEBUG_P2(sc, "BP=0x%x, NP=0x%x", base_page,
15063 			   next_page);
15064 			elink_kr2_recovery(params, vars, phy);
15065 		}
15066 		return;
15067 	}
15068 	/* KR2 is enabled, but not KR2 device */
15069 	if (not_kr2_device) {
15070 		/* Disable KR2 on both lanes */
15071 		ELINK_DEBUG_P2(sc, "BP=0x%x, NP=0x%x", base_page, next_page);
15072 		elink_disable_kr2(params, vars, phy);
15073 		/* Restart AN on leading lane */
15074 		elink_warpcore_restart_AN_KR(phy, params);
15075 		return;
15076 	}
15077 }
15078 
15079 void elink_period_func(struct elink_params *params, struct elink_vars *vars)
15080 {
15081 	uint16_t phy_idx;
15082 	struct bnx2x_softc *sc = params->sc;
15083 	for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
15084 		if (params->phy[phy_idx].flags & ELINK_FLAGS_TX_ERROR_CHECK) {
15085 			elink_set_aer_mmd(params, &params->phy[phy_idx]);
15086 			if (elink_check_half_open_conn(params, vars, 1) !=
15087 			    ELINK_STATUS_OK)
15088 				ELINK_DEBUG_P0(sc, "Fault detection failed");
15089 			break;
15090 		}
15091 	}
15092 
15093 	if (CHIP_IS_E3(sc)) {
15094 		struct elink_phy *phy = &params->phy[ELINK_INT_PHY];
15095 		elink_set_aer_mmd(params, phy);
15096 		if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
15097 		     (phy->speed_cap_mask &
15098 		      PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
15099 		    (phy->req_line_speed == ELINK_SPEED_20000))
15100 			elink_check_kr2_wa(params, vars, phy);
15101 		elink_check_over_curr(params, vars);
15102 		if (vars->rx_tx_asic_rst)
15103 			elink_warpcore_config_runtime(phy, params, vars);
15104 
15105 		if ((REG_RD(sc, params->shmem_base +
15106 			    offsetof(struct shmem_region, dev_info.
15107 				port_hw_config[params->port].default_cfg))
15108 		    & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
15109 		    PORT_HW_CFG_NET_SERDES_IF_SFI) {
15110 			if (elink_is_sfp_module_plugged(phy, params)) {
15111 				elink_sfp_tx_fault_detection(phy, params, vars);
15112 			} else if (vars->link_status &
15113 				LINK_STATUS_SFP_TX_FAULT) {
15114 				/* Clean trail, interrupt corrects the leds */
15115 				vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
15116 				vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
15117 				/* Update link status in the shared memory */
15118 				elink_update_mng(params, vars->link_status);
15119 			}
15120 		}
15121 	}
15122 }
15123 
15124 uint8_t elink_fan_failure_det_req(struct bnx2x_softc *sc,
15125 			     uint32_t shmem_base,
15126 			     uint32_t shmem2_base,
15127 			     uint8_t port)
15128 {
15129 	uint8_t phy_index, fan_failure_det_req = 0;
15130 	struct elink_phy phy;
15131 	for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS;
15132 	      phy_index++) {
15133 		if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base,
15134 				       port, &phy)
15135 		    != ELINK_STATUS_OK) {
15136 			ELINK_DEBUG_P0(sc, "populate phy failed");
15137 			return 0;
15138 		}
15139 		fan_failure_det_req |= (phy.flags &
15140 					ELINK_FLAGS_FAN_FAILURE_DET_REQ);
15141 	}
15142 	return fan_failure_det_req;
15143 }
15144 
15145 void elink_hw_reset_phy(struct elink_params *params)
15146 {
15147 	uint8_t phy_index;
15148 	struct bnx2x_softc *sc = params->sc;
15149 	elink_update_mng(params, 0);
15150 	elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 + params->port * 4,
15151 		       (ELINK_NIG_MASK_XGXS0_LINK_STATUS |
15152 			ELINK_NIG_MASK_XGXS0_LINK10G |
15153 			ELINK_NIG_MASK_SERDES0_LINK_STATUS |
15154 			ELINK_NIG_MASK_MI_INT));
15155 
15156 	for (phy_index = ELINK_INT_PHY; phy_index < ELINK_MAX_PHYS;
15157 	      phy_index++) {
15158 		if (params->phy[phy_index].hw_reset) {
15159 			params->phy[phy_index].hw_reset(
15160 				&params->phy[phy_index],
15161 				params);
15162 			params->phy[phy_index] = phy_null;
15163 		}
15164 	}
15165 }
15166 
15167 void elink_init_mod_abs_int(struct bnx2x_softc *sc, struct elink_vars *vars,
15168 			    uint32_t chip_id, uint32_t shmem_base,
15169 			    uint32_t shmem2_base,
15170 			    uint8_t port)
15171 {
15172 	uint8_t gpio_num = 0xff, gpio_port = 0xff, phy_index;
15173 	uint32_t val;
15174 	uint32_t offset, aeu_mask, swap_val, swap_override, sync_offset;
15175 	if (CHIP_IS_E3(sc)) {
15176 		if (elink_get_mod_abs_int_cfg(sc, chip_id,
15177 					      shmem_base,
15178 					      port,
15179 					      &gpio_num,
15180 					      &gpio_port) != ELINK_STATUS_OK)
15181 			return;
15182 	} else {
15183 		struct elink_phy phy;
15184 		for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS;
15185 		      phy_index++) {
15186 			if (elink_populate_phy(sc, phy_index, shmem_base,
15187 					       shmem2_base, port, &phy)
15188 			    != ELINK_STATUS_OK) {
15189 				ELINK_DEBUG_P0(sc, "populate phy failed");
15190 				return;
15191 			}
15192 			if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8726) {
15193 				gpio_num = MISC_REGISTERS_GPIO_3;
15194 				gpio_port = port;
15195 				break;
15196 			}
15197 		}
15198 	}
15199 
15200 	if (gpio_num == 0xff)
15201 		return;
15202 
15203 	/* Set GPIO3 to trigger SFP+ module insertion/removal */
15204 	elink_cb_gpio_write(sc, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z,
15205 			    gpio_port);
15206 
15207 	swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
15208 	swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
15209 	gpio_port ^= (swap_val && swap_override);
15210 
15211 	vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
15212 		(gpio_num + (gpio_port << 2));
15213 
15214 	sync_offset = shmem_base +
15215 		offsetof(struct shmem_region,
15216 			 dev_info.port_hw_config[port].aeu_int_mask);
15217 	REG_WR(sc, sync_offset, vars->aeu_int_mask);
15218 
15219 	ELINK_DEBUG_P3(sc, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x",
15220 		       gpio_num, gpio_port, vars->aeu_int_mask);
15221 
15222 	if (port == 0)
15223 		offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
15224 	else
15225 		offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
15226 
15227 	/* Open appropriate AEU for interrupts */
15228 	aeu_mask = REG_RD(sc, offset);
15229 	aeu_mask |= vars->aeu_int_mask;
15230 	REG_WR(sc, offset, aeu_mask);
15231 
15232 	/* Enable the GPIO to trigger interrupt */
15233 	val = REG_RD(sc, MISC_REG_GPIO_EVENT_EN);
15234 	val |= 1 << (gpio_num + (gpio_port << 2));
15235 	REG_WR(sc, MISC_REG_GPIO_EVENT_EN, val);
15236 }
15237