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_SC 0x1
871 #define ELINK_SFP_EEPROM_CON_TYPE_VAL_LC 0x7
872 #define ELINK_SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
873 #define ELINK_SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22
874
875
876 #define ELINK_SFP_EEPROM_10G_COMP_CODE_ADDR 0x3
877 #define ELINK_SFP_EEPROM_10G_COMP_CODE_SR_MASK (1 << 4)
878 #define ELINK_SFP_EEPROM_10G_COMP_CODE_LR_MASK (1 << 5)
879 #define ELINK_SFP_EEPROM_10G_COMP_CODE_LRM_MASK (1 << 6)
880
881 #define ELINK_SFP_EEPROM_1G_COMP_CODE_ADDR 0x6
882 #define ELINK_SFP_EEPROM_1G_COMP_CODE_SX (1 << 0)
883 #define ELINK_SFP_EEPROM_1G_COMP_CODE_LX (1 << 1)
884 #define ELINK_SFP_EEPROM_1G_COMP_CODE_CX (1 << 2)
885 #define ELINK_SFP_EEPROM_1G_COMP_CODE_BASE_T (1 << 3)
886
887 #define ELINK_SFP_EEPROM_FC_TX_TECH_ADDR 0x8
888 #define ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
889 #define ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
890
891 #define ELINK_SFP_EEPROM_OPTIONS_ADDR 0x40
892 #define ELINK_SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
893 #define ELINK_SFP_EEPROM_OPTIONS_SIZE 2
894
895 #define ELINK_EDC_MODE_LINEAR 0x0022
896 #define ELINK_EDC_MODE_LIMITING 0x0044
897 #define ELINK_EDC_MODE_PASSIVE_DAC 0x0055
898 #define ELINK_EDC_MODE_ACTIVE_DAC 0x0066
899
900 /* ETS defines*/
901 #define DCBX_INVALID_COS (0xFF)
902
903 #define ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
904 #define ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
905 #define ELINK_ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
906 #define ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
907 #define ELINK_ETS_E3B0_PBF_MIN_W_VAL (10000)
908
909 #define ELINK_MAX_PACKET_SIZE (9700)
910 #define MAX_KR_LINK_RETRY 4
911 #define DEFAULT_TX_DRV_BRDCT 2
912 #define DEFAULT_TX_DRV_IFIR 0
913 #define DEFAULT_TX_DRV_POST2 3
914 #define DEFAULT_TX_DRV_IPRE_DRIVER 6
915
916 /**********************************************************/
917 /* INTERFACE */
918 /**********************************************************/
919
920 #define CL22_WR_OVER_CL45(_sc, _phy, _bank, _addr, _val) \
921 elink_cl45_write(_sc, _phy, \
922 (_phy)->def_md_devad, \
923 (_bank + (_addr & 0xf)), \
924 _val)
925
926 #define CL22_RD_OVER_CL45(_sc, _phy, _bank, _addr, _val) \
927 elink_cl45_read(_sc, _phy, \
928 (_phy)->def_md_devad, \
929 (_bank + (_addr & 0xf)), \
930 _val)
931
932 static elink_status_t elink_check_half_open_conn(struct elink_params *params,
933 struct elink_vars *vars, uint8_t notify);
934 static elink_status_t elink_sfp_module_detection(struct elink_phy *phy,
935 struct elink_params *params);
936
elink_bits_en(struct bnx2x_softc * sc,uint32_t reg,uint32_t bits)937 static uint32_t elink_bits_en(struct bnx2x_softc *sc, uint32_t reg, uint32_t bits)
938 {
939 uint32_t val = REG_RD(sc, reg);
940
941 val |= bits;
942 REG_WR(sc, reg, val);
943 return val;
944 }
945
elink_bits_dis(struct bnx2x_softc * sc,uint32_t reg,uint32_t bits)946 static uint32_t elink_bits_dis(struct bnx2x_softc *sc, uint32_t reg,
947 uint32_t bits)
948 {
949 uint32_t val = REG_RD(sc, reg);
950
951 val &= ~bits;
952 REG_WR(sc, reg, val);
953 return val;
954 }
955
956 /*
957 * elink_check_lfa - This function checks if link reinitialization is required,
958 * or link flap can be avoided.
959 *
960 * @params: link parameters
961 * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
962 * condition code.
963 */
elink_check_lfa(struct elink_params * params)964 static int elink_check_lfa(struct elink_params *params)
965 {
966 uint32_t link_status, cfg_idx, lfa_mask, cfg_size;
967 uint32_t cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
968 uint32_t saved_val, req_val, eee_status;
969 struct bnx2x_softc *sc = params->sc;
970
971 additional_config =
972 REG_RD(sc, params->lfa_base +
973 offsetof(struct shmem_lfa, additional_config));
974
975 /* NOTE: must be first condition checked -
976 * to verify DCC bit is cleared in any case!
977 */
978 if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
979 ELINK_DEBUG_P0(sc, "No LFA due to DCC flap after clp exit");
980 REG_WR(sc, params->lfa_base +
981 offsetof(struct shmem_lfa, additional_config),
982 additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
983 return LFA_DCC_LFA_DISABLED;
984 }
985
986 /* Verify that link is up */
987 link_status = REG_RD(sc, params->shmem_base +
988 offsetof(struct shmem_region,
989 port_mb[params->port].link_status));
990 if (!(link_status & LINK_STATUS_LINK_UP))
991 return LFA_LINK_DOWN;
992
993 /* if loaded after BOOT from SAN, don't flap the link in any case and
994 * rely on link set by preboot driver
995 */
996 if (params->feature_config_flags & ELINK_FEATURE_CONFIG_BOOT_FROM_SAN)
997 return 0;
998
999 /* Verify that loopback mode is not set */
1000 if (params->loopback_mode)
1001 return LFA_LOOPBACK_ENABLED;
1002
1003 /* Verify that MFW supports LFA */
1004 if (!params->lfa_base)
1005 return LFA_MFW_IS_TOO_OLD;
1006
1007 if (params->num_phys == 3) {
1008 cfg_size = 2;
1009 lfa_mask = 0xffffffff;
1010 } else {
1011 cfg_size = 1;
1012 lfa_mask = 0xffff;
1013 }
1014
1015 /* Compare Duplex */
1016 saved_val = REG_RD(sc, params->lfa_base +
1017 offsetof(struct shmem_lfa, req_duplex));
1018 req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
1019 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
1020 ELINK_DEBUG_P2(sc, "Duplex mismatch %x vs. %x",
1021 (saved_val & lfa_mask), (req_val & lfa_mask));
1022 return LFA_DUPLEX_MISMATCH;
1023 }
1024 /* Compare Flow Control */
1025 saved_val = REG_RD(sc, params->lfa_base +
1026 offsetof(struct shmem_lfa, req_flow_ctrl));
1027 req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
1028 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
1029 ELINK_DEBUG_P2(sc, "Flow control mismatch %x vs. %x",
1030 (saved_val & lfa_mask), (req_val & lfa_mask));
1031 return LFA_FLOW_CTRL_MISMATCH;
1032 }
1033 /* Compare Link Speed */
1034 saved_val = REG_RD(sc, params->lfa_base +
1035 offsetof(struct shmem_lfa, req_line_speed));
1036 req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
1037 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
1038 ELINK_DEBUG_P2(sc, "Link speed mismatch %x vs. %x",
1039 (saved_val & lfa_mask), (req_val & lfa_mask));
1040 return LFA_LINK_SPEED_MISMATCH;
1041 }
1042
1043 for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
1044 cur_speed_cap_mask = REG_RD(sc, params->lfa_base +
1045 offsetof(struct shmem_lfa,
1046 speed_cap_mask[cfg_idx]));
1047
1048 if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
1049 ELINK_DEBUG_P2(sc, "Speed Cap mismatch %x vs. %x",
1050 cur_speed_cap_mask,
1051 params->speed_cap_mask[cfg_idx]);
1052 return LFA_SPEED_CAP_MISMATCH;
1053 }
1054 }
1055
1056 cur_req_fc_auto_adv =
1057 REG_RD(sc, params->lfa_base +
1058 offsetof(struct shmem_lfa, additional_config)) &
1059 REQ_FC_AUTO_ADV_MASK;
1060
1061 if ((uint16_t)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
1062 ELINK_DEBUG_P2(sc, "Flow Ctrl AN mismatch %x vs. %x",
1063 cur_req_fc_auto_adv, params->req_fc_auto_adv);
1064 return LFA_FLOW_CTRL_MISMATCH;
1065 }
1066
1067 eee_status = REG_RD(sc, params->shmem2_base +
1068 offsetof(struct shmem2_region,
1069 eee_status[params->port]));
1070
1071 if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
1072 (params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI)) ||
1073 ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
1074 (params->eee_mode & ELINK_EEE_MODE_ADV_LPI))) {
1075 ELINK_DEBUG_P2(sc, "EEE mismatch %x vs. %x", params->eee_mode,
1076 eee_status);
1077 return LFA_EEE_MISMATCH;
1078 }
1079
1080 /* LFA conditions are met */
1081 return 0;
1082 }
1083 /******************************************************************/
1084 /* EPIO/GPIO section */
1085 /******************************************************************/
elink_get_epio(struct bnx2x_softc * sc,uint32_t epio_pin,uint32_t * en)1086 static void elink_get_epio(struct bnx2x_softc *sc, uint32_t epio_pin,
1087 uint32_t *en)
1088 {
1089 uint32_t epio_mask, gp_oenable;
1090 *en = 0;
1091 /* Sanity check */
1092 if (epio_pin > 31) {
1093 ELINK_DEBUG_P1(sc, "Invalid EPIO pin %d to get", epio_pin);
1094 return;
1095 }
1096
1097 epio_mask = 1 << epio_pin;
1098 /* Set this EPIO to output */
1099 gp_oenable = REG_RD(sc, MCP_REG_MCPR_GP_OENABLE);
1100 REG_WR(sc, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
1101
1102 *en = (REG_RD(sc, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
1103 }
elink_set_epio(struct bnx2x_softc * sc,uint32_t epio_pin,uint32_t en)1104 static void elink_set_epio(struct bnx2x_softc *sc, uint32_t epio_pin, uint32_t en)
1105 {
1106 uint32_t epio_mask, gp_output, gp_oenable;
1107
1108 /* Sanity check */
1109 if (epio_pin > 31) {
1110 ELINK_DEBUG_P1(sc, "Invalid EPIO pin %d to set", epio_pin);
1111 return;
1112 }
1113 ELINK_DEBUG_P2(sc, "Setting EPIO pin %d to %d", epio_pin, en);
1114 epio_mask = 1 << epio_pin;
1115 /* Set this EPIO to output */
1116 gp_output = REG_RD(sc, MCP_REG_MCPR_GP_OUTPUTS);
1117 if (en)
1118 gp_output |= epio_mask;
1119 else
1120 gp_output &= ~epio_mask;
1121
1122 REG_WR(sc, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
1123
1124 /* Set the value for this EPIO */
1125 gp_oenable = REG_RD(sc, MCP_REG_MCPR_GP_OENABLE);
1126 REG_WR(sc, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
1127 }
1128
elink_set_cfg_pin(struct bnx2x_softc * sc,uint32_t pin_cfg,uint32_t val)1129 static void elink_set_cfg_pin(struct bnx2x_softc *sc, uint32_t pin_cfg,
1130 uint32_t val)
1131 {
1132 if (pin_cfg == PIN_CFG_NA)
1133 return;
1134 if (pin_cfg >= PIN_CFG_EPIO0) {
1135 elink_set_epio(sc, pin_cfg - PIN_CFG_EPIO0, val);
1136 } else {
1137 uint8_t gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
1138 uint8_t gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
1139 elink_cb_gpio_write(sc, gpio_num, (uint8_t)val, gpio_port);
1140 }
1141 }
1142
elink_get_cfg_pin(struct bnx2x_softc * sc,uint32_t pin_cfg,uint32_t * val)1143 static uint32_t elink_get_cfg_pin(struct bnx2x_softc *sc, uint32_t pin_cfg,
1144 uint32_t *val)
1145 {
1146 if (pin_cfg == PIN_CFG_NA)
1147 return ELINK_STATUS_ERROR;
1148 if (pin_cfg >= PIN_CFG_EPIO0) {
1149 elink_get_epio(sc, pin_cfg - PIN_CFG_EPIO0, val);
1150 } else {
1151 uint8_t gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
1152 uint8_t gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
1153 *val = elink_cb_gpio_read(sc, gpio_num, gpio_port);
1154 }
1155 return ELINK_STATUS_OK;
1156 }
1157
1158 /******************************************************************/
1159 /* ETS section */
1160 /******************************************************************/
elink_ets_e2e3a0_disabled(struct elink_params * params)1161 static void elink_ets_e2e3a0_disabled(struct elink_params *params)
1162 {
1163 /* ETS disabled configuration*/
1164 struct bnx2x_softc *sc = params->sc;
1165
1166 ELINK_DEBUG_P0(sc, "ETS E2E3 disabled configuration");
1167
1168 /* mapping between entry priority to client number (0,1,2 -debug and
1169 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1170 * 3bits client num.
1171 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1172 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
1173 */
1174
1175 REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
1176 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1177 * as strict. Bits 0,1,2 - debug and management entries, 3 -
1178 * COS0 entry, 4 - COS1 entry.
1179 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
1180 * bit4 bit3 bit2 bit1 bit0
1181 * MCP and debug are strict
1182 */
1183
1184 REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1185 /* defines which entries (clients) are subjected to WFQ arbitration */
1186 REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
1187 /* For strict priority entries defines the number of consecutive
1188 * slots for the highest priority.
1189 */
1190 REG_WR(sc, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1191 /* mapping between the CREDIT_WEIGHT registers and actual client
1192 * numbers
1193 */
1194 REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
1195 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
1196 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
1197
1198 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
1199 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
1200 REG_WR(sc, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
1201 /* ETS mode disable */
1202 REG_WR(sc, PBF_REG_ETS_ENABLED, 0);
1203 /* If ETS mode is enabled (there is no strict priority) defines a WFQ
1204 * weight for COS0/COS1.
1205 */
1206 REG_WR(sc, PBF_REG_COS0_WEIGHT, 0x2710);
1207 REG_WR(sc, PBF_REG_COS1_WEIGHT, 0x2710);
1208 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
1209 REG_WR(sc, PBF_REG_COS0_UPPER_BOUND, 0x989680);
1210 REG_WR(sc, PBF_REG_COS1_UPPER_BOUND, 0x989680);
1211 /* Defines the number of consecutive slots for the strict priority */
1212 REG_WR(sc, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
1213 }
1214 /******************************************************************************
1215 * Description:
1216 * Getting min_w_val will be set according to line speed .
1217 *.
1218 ******************************************************************************/
elink_ets_get_min_w_val_nig(const struct elink_vars * vars)1219 static uint32_t elink_ets_get_min_w_val_nig(const struct elink_vars *vars)
1220 {
1221 uint32_t min_w_val = 0;
1222 /* Calculate min_w_val.*/
1223 if (vars->link_up) {
1224 if (vars->line_speed == ELINK_SPEED_20000)
1225 min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
1226 else
1227 min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
1228 } else {
1229 min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
1230 }
1231 /* If the link isn't up (static configuration for example ) The
1232 * link will be according to 20GBPS.
1233 */
1234 return min_w_val;
1235 }
1236 /******************************************************************************
1237 * Description:
1238 * Getting credit upper bound form min_w_val.
1239 *.
1240 ******************************************************************************/
elink_ets_get_credit_upper_bound(const uint32_t min_w_val)1241 static uint32_t elink_ets_get_credit_upper_bound(const uint32_t min_w_val)
1242 {
1243 const uint32_t credit_upper_bound = (uint32_t)
1244 ELINK_MAXVAL((150 * min_w_val),
1245 ELINK_MAX_PACKET_SIZE);
1246 return credit_upper_bound;
1247 }
1248 /******************************************************************************
1249 * Description:
1250 * Set credit upper bound for NIG.
1251 *.
1252 ******************************************************************************/
elink_ets_e3b0_set_credit_upper_bound_nig(const struct elink_params * params,const uint32_t min_w_val)1253 static void elink_ets_e3b0_set_credit_upper_bound_nig(
1254 const struct elink_params *params,
1255 const uint32_t min_w_val)
1256 {
1257 struct bnx2x_softc *sc = params->sc;
1258 const uint8_t port = params->port;
1259 const uint32_t credit_upper_bound =
1260 elink_ets_get_credit_upper_bound(min_w_val);
1261
1262 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
1263 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
1264 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
1265 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
1266 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
1267 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
1268 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
1269 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
1270 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
1271 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
1272 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
1273 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
1274
1275 if (!port) {
1276 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
1277 credit_upper_bound);
1278 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
1279 credit_upper_bound);
1280 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
1281 credit_upper_bound);
1282 }
1283 }
1284 /******************************************************************************
1285 * Description:
1286 * Will return the NIG ETS registers to init values.Except
1287 * credit_upper_bound.
1288 * That isn't used in this configuration (No WFQ is enabled) and will be
1289 * configured according to spec
1290 *.
1291 ******************************************************************************/
elink_ets_e3b0_nig_disabled(const struct elink_params * params,const struct elink_vars * vars)1292 static void elink_ets_e3b0_nig_disabled(const struct elink_params *params,
1293 const struct elink_vars *vars)
1294 {
1295 struct bnx2x_softc *sc = params->sc;
1296 const uint8_t port = params->port;
1297 const uint32_t min_w_val = elink_ets_get_min_w_val_nig(vars);
1298 /* Mapping between entry priority to client number (0,1,2 -debug and
1299 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
1300 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
1301 * reset value or init tool
1302 */
1303 if (port) {
1304 REG_WR(sc, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
1305 REG_WR(sc, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
1306 } else {
1307 REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
1308 REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
1309 }
1310 /* For strict priority entries defines the number of consecutive
1311 * slots for the highest priority.
1312 */
1313 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
1314 NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1315 /* Mapping between the CREDIT_WEIGHT registers and actual client
1316 * numbers
1317 */
1318 if (port) {
1319 /*Port 1 has 6 COS*/
1320 REG_WR(sc, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
1321 REG_WR(sc, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
1322 } else {
1323 /*Port 0 has 9 COS*/
1324 REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
1325 0x43210876);
1326 REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
1327 }
1328
1329 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1330 * as strict. Bits 0,1,2 - debug and management entries, 3 -
1331 * COS0 entry, 4 - COS1 entry.
1332 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
1333 * bit4 bit3 bit2 bit1 bit0
1334 * MCP and debug are strict
1335 */
1336 if (port)
1337 REG_WR(sc, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
1338 else
1339 REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
1340 /* defines which entries (clients) are subjected to WFQ arbitration */
1341 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
1342 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
1343
1344 /* Please notice the register address are note continuous and a
1345 * for here is note appropriate.In 2 port mode port0 only COS0-5
1346 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
1347 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
1348 * are never used for WFQ
1349 */
1350 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
1351 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
1352 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
1353 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
1354 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
1355 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
1356 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
1357 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
1358 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
1359 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
1360 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
1361 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
1362 if (!port) {
1363 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
1364 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
1365 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
1366 }
1367
1368 elink_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
1369 }
1370 /******************************************************************************
1371 * Description:
1372 * Set credit upper bound for PBF.
1373 *.
1374 ******************************************************************************/
elink_ets_e3b0_set_credit_upper_bound_pbf(const struct elink_params * params,const uint32_t min_w_val)1375 static void elink_ets_e3b0_set_credit_upper_bound_pbf(
1376 const struct elink_params *params,
1377 const uint32_t min_w_val)
1378 {
1379 struct bnx2x_softc *sc = params->sc;
1380 const uint32_t credit_upper_bound =
1381 elink_ets_get_credit_upper_bound(min_w_val);
1382 const uint8_t port = params->port;
1383 uint32_t base_upper_bound = 0;
1384 uint8_t max_cos = 0;
1385 uint8_t i = 0;
1386 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
1387 * port mode port1 has COS0-2 that can be used for WFQ.
1388 */
1389 if (!port) {
1390 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
1391 max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
1392 } else {
1393 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
1394 max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1;
1395 }
1396
1397 for (i = 0; i < max_cos; i++)
1398 REG_WR(sc, base_upper_bound + (i << 2), credit_upper_bound);
1399 }
1400
1401 /******************************************************************************
1402 * Description:
1403 * Will return the PBF ETS registers to init values.Except
1404 * credit_upper_bound.
1405 * That isn't used in this configuration (No WFQ is enabled) and will be
1406 * configured according to spec
1407 *.
1408 ******************************************************************************/
elink_ets_e3b0_pbf_disabled(const struct elink_params * params)1409 static void elink_ets_e3b0_pbf_disabled(const struct elink_params *params)
1410 {
1411 struct bnx2x_softc *sc = params->sc;
1412 const uint8_t port = params->port;
1413 const uint32_t min_w_val_pbf = ELINK_ETS_E3B0_PBF_MIN_W_VAL;
1414 uint8_t i = 0;
1415 uint32_t base_weight = 0;
1416 uint8_t max_cos = 0;
1417
1418 /* Mapping between entry priority to client number 0 - COS0
1419 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
1420 * TODO_ETS - Should be done by reset value or init tool
1421 */
1422 if (port)
1423 /* 0x688 (|011|0 10|00 1|000) */
1424 REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1, 0x688);
1425 else
1426 /* (10 1|100 |011|0 10|00 1|000) */
1427 REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0, 0x2C688);
1428
1429 /* TODO_ETS - Should be done by reset value or init tool */
1430 if (port)
1431 /* 0x688 (|011|0 10|00 1|000)*/
1432 REG_WR(sc, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
1433 else
1434 /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
1435 REG_WR(sc, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
1436
1437 REG_WR(sc, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
1438 PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0, 0x100);
1439
1440
1441 REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
1442 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0, 0);
1443
1444 REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
1445 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0, 0);
1446 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
1447 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
1448 */
1449 if (!port) {
1450 base_weight = PBF_REG_COS0_WEIGHT_P0;
1451 max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
1452 } else {
1453 base_weight = PBF_REG_COS0_WEIGHT_P1;
1454 max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1;
1455 }
1456
1457 for (i = 0; i < max_cos; i++)
1458 REG_WR(sc, base_weight + (0x4 * i), 0);
1459
1460 elink_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1461 }
1462 /******************************************************************************
1463 * Description:
1464 * E3B0 disable will return basically the values to init values.
1465 *.
1466 ******************************************************************************/
elink_ets_e3b0_disabled(const struct elink_params * params,const struct elink_vars * vars)1467 static elink_status_t elink_ets_e3b0_disabled(const struct elink_params *params,
1468 const struct elink_vars *vars)
1469 {
1470 struct bnx2x_softc *sc = params->sc;
1471
1472 if (!CHIP_IS_E3B0(sc)) {
1473 ELINK_DEBUG_P0(sc,
1474 "elink_ets_e3b0_disabled the chip isn't E3B0");
1475 return ELINK_STATUS_ERROR;
1476 }
1477
1478 elink_ets_e3b0_nig_disabled(params, vars);
1479
1480 elink_ets_e3b0_pbf_disabled(params);
1481
1482 return ELINK_STATUS_OK;
1483 }
1484
1485 /******************************************************************************
1486 * Description:
1487 * Disable will return basically the values to init values.
1488 *
1489 ******************************************************************************/
elink_ets_disabled(struct elink_params * params,struct elink_vars * vars)1490 elink_status_t elink_ets_disabled(struct elink_params *params,
1491 struct elink_vars *vars)
1492 {
1493 struct bnx2x_softc *sc = params->sc;
1494 elink_status_t elink_status = ELINK_STATUS_OK;
1495
1496 if ((CHIP_IS_E2(sc)) || (CHIP_IS_E3A0(sc))) {
1497 elink_ets_e2e3a0_disabled(params);
1498 } else if (CHIP_IS_E3B0(sc)) {
1499 elink_status = elink_ets_e3b0_disabled(params, vars);
1500 } else {
1501 ELINK_DEBUG_P0(sc, "elink_ets_disabled - chip not supported");
1502 return ELINK_STATUS_ERROR;
1503 }
1504
1505 return elink_status;
1506 }
1507
1508 /******************************************************************************
1509 * Description
1510 * Set the COS mapping to SP and BW until this point all the COS are not
1511 * set as SP or BW.
1512 ******************************************************************************/
elink_ets_e3b0_cli_map(const struct elink_params * params,__rte_unused const struct elink_ets_params * ets_params,const uint8_t cos_sp_bitmap,const uint8_t cos_bw_bitmap)1513 static elink_status_t elink_ets_e3b0_cli_map(const struct elink_params *params,
1514 __rte_unused const struct elink_ets_params *ets_params,
1515 const uint8_t cos_sp_bitmap,
1516 const uint8_t cos_bw_bitmap)
1517 {
1518 struct bnx2x_softc *sc = params->sc;
1519 const uint8_t port = params->port;
1520 const uint8_t nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
1521 const uint8_t pbf_cli_sp_bitmap = cos_sp_bitmap;
1522 const uint8_t nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
1523 const uint8_t pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
1524
1525 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
1526 NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
1527
1528 REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
1529 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0, pbf_cli_sp_bitmap);
1530
1531 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
1532 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
1533 nig_cli_subject2wfq_bitmap);
1534
1535 REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
1536 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
1537 pbf_cli_subject2wfq_bitmap);
1538
1539 return ELINK_STATUS_OK;
1540 }
1541
1542 /******************************************************************************
1543 * Description:
1544 * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
1545 * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
1546 ******************************************************************************/
elink_ets_e3b0_set_cos_bw(struct bnx2x_softc * sc,const uint8_t cos_entry,const uint32_t min_w_val_nig,const uint32_t min_w_val_pbf,const uint16_t total_bw,const uint8_t bw,const uint8_t port)1547 static elink_status_t elink_ets_e3b0_set_cos_bw(struct bnx2x_softc *sc,
1548 const uint8_t cos_entry,
1549 const uint32_t min_w_val_nig,
1550 const uint32_t min_w_val_pbf,
1551 const uint16_t total_bw,
1552 const uint8_t bw,
1553 const uint8_t port)
1554 {
1555 uint32_t nig_reg_address_crd_weight = 0;
1556 uint32_t pbf_reg_address_crd_weight = 0;
1557 /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
1558 const uint32_t cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
1559 const uint32_t cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
1560
1561 switch (cos_entry) {
1562 case 0:
1563 nig_reg_address_crd_weight =
1564 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
1565 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
1566 pbf_reg_address_crd_weight = (port) ?
1567 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
1568 break;
1569 case 1:
1570 nig_reg_address_crd_weight = (port) ?
1571 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
1572 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
1573 pbf_reg_address_crd_weight = (port) ?
1574 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
1575 break;
1576 case 2:
1577 nig_reg_address_crd_weight = (port) ?
1578 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
1579 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
1580
1581 pbf_reg_address_crd_weight = (port) ?
1582 PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
1583 break;
1584 case 3:
1585 if (port)
1586 return ELINK_STATUS_ERROR;
1587 nig_reg_address_crd_weight =
1588 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
1589 pbf_reg_address_crd_weight =
1590 PBF_REG_COS3_WEIGHT_P0;
1591 break;
1592 case 4:
1593 if (port)
1594 return ELINK_STATUS_ERROR;
1595 nig_reg_address_crd_weight =
1596 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
1597 pbf_reg_address_crd_weight = PBF_REG_COS4_WEIGHT_P0;
1598 break;
1599 case 5:
1600 if (port)
1601 return ELINK_STATUS_ERROR;
1602 nig_reg_address_crd_weight =
1603 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
1604 pbf_reg_address_crd_weight = PBF_REG_COS5_WEIGHT_P0;
1605 break;
1606 }
1607
1608 REG_WR(sc, nig_reg_address_crd_weight, cos_bw_nig);
1609
1610 REG_WR(sc, pbf_reg_address_crd_weight, cos_bw_pbf);
1611
1612 return ELINK_STATUS_OK;
1613 }
1614 /******************************************************************************
1615 * Description:
1616 * Calculate the total BW.A value of 0 isn't legal.
1617 *
1618 ******************************************************************************/
elink_ets_e3b0_get_total_bw(const struct elink_params * params,struct elink_ets_params * ets_params,uint16_t * total_bw)1619 static elink_status_t elink_ets_e3b0_get_total_bw(
1620 const struct elink_params *params,
1621 struct elink_ets_params *ets_params,
1622 uint16_t *total_bw)
1623 {
1624 struct bnx2x_softc *sc = params->sc;
1625 uint8_t cos_idx = 0;
1626 uint8_t is_bw_cos_exist = 0;
1627
1628 *total_bw = 0;
1629 /* Calculate total BW requested */
1630 for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
1631 if (ets_params->cos[cos_idx].state == elink_cos_state_bw) {
1632 is_bw_cos_exist = 1;
1633 if (!ets_params->cos[cos_idx].params.bw_params.bw) {
1634 ELINK_DEBUG_P0(sc, "elink_ets_E3B0_config BW"
1635 " was set to 0");
1636 /* This is to prevent a state when ramrods
1637 * can't be sent
1638 */
1639 ets_params->cos[cos_idx].params.bw_params.bw
1640 = 1;
1641 }
1642 *total_bw +=
1643 ets_params->cos[cos_idx].params.bw_params.bw;
1644 }
1645 }
1646
1647 /* Check total BW is valid */
1648 if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
1649 if (*total_bw == 0) {
1650 ELINK_DEBUG_P0(sc,
1651 "elink_ets_E3B0_config total BW shouldn't be 0");
1652 return ELINK_STATUS_ERROR;
1653 }
1654 ELINK_DEBUG_P0(sc,
1655 "elink_ets_E3B0_config total BW should be 100");
1656 /* We can handle a case where the BW isn't 100 this can happen
1657 * if the TC are joined.
1658 */
1659 }
1660 return ELINK_STATUS_OK;
1661 }
1662
1663 /******************************************************************************
1664 * Description:
1665 * Invalidate all the sp_pri_to_cos.
1666 *
1667 ******************************************************************************/
elink_ets_e3b0_sp_pri_to_cos_init(uint8_t * sp_pri_to_cos)1668 static void elink_ets_e3b0_sp_pri_to_cos_init(uint8_t *sp_pri_to_cos)
1669 {
1670 uint8_t pri = 0;
1671 for (pri = 0; pri < ELINK_DCBX_MAX_NUM_COS; pri++)
1672 sp_pri_to_cos[pri] = DCBX_INVALID_COS;
1673 }
1674 /******************************************************************************
1675 * Description:
1676 * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1677 * according to sp_pri_to_cos.
1678 *
1679 ******************************************************************************/
elink_ets_e3b0_sp_pri_to_cos_set(const struct elink_params * params,uint8_t * sp_pri_to_cos,const uint8_t pri,const uint8_t cos_entry)1680 static elink_status_t elink_ets_e3b0_sp_pri_to_cos_set(
1681 const struct elink_params *params,
1682 uint8_t *sp_pri_to_cos,
1683 const uint8_t pri,
1684 const uint8_t cos_entry)
1685 {
1686 struct bnx2x_softc *sc = params->sc;
1687 const uint8_t port = params->port;
1688 const uint8_t max_num_of_cos = (port) ?
1689 ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 :
1690 ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
1691
1692 if (pri >= max_num_of_cos) {
1693 ELINK_DEBUG_P0(sc, "elink_ets_e3b0_sp_pri_to_cos_set invalid "
1694 "parameter Illegal strict priority");
1695 return ELINK_STATUS_ERROR;
1696 }
1697
1698 if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
1699 ELINK_DEBUG_P0(sc, "elink_ets_e3b0_sp_pri_to_cos_set invalid "
1700 "parameter There can't be two COS's with "
1701 "the same strict pri");
1702 return ELINK_STATUS_ERROR;
1703 }
1704
1705 sp_pri_to_cos[pri] = cos_entry;
1706 return ELINK_STATUS_OK;
1707 }
1708
1709 /******************************************************************************
1710 * Description:
1711 * Returns the correct value according to COS and priority in
1712 * the sp_pri_cli register.
1713 *
1714 ******************************************************************************/
elink_e3b0_sp_get_pri_cli_reg(const uint8_t cos,const uint8_t cos_offset,const uint8_t pri_set,const uint8_t pri_offset,const uint8_t entry_size)1715 static uint64_t elink_e3b0_sp_get_pri_cli_reg(const uint8_t cos,
1716 const uint8_t cos_offset,
1717 const uint8_t pri_set,
1718 const uint8_t pri_offset,
1719 const uint8_t entry_size)
1720 {
1721 uint64_t pri_cli_nig = 0;
1722 pri_cli_nig = ((uint64_t)(cos + cos_offset)) << (entry_size *
1723 (pri_set + pri_offset));
1724
1725 return pri_cli_nig;
1726 }
1727 /******************************************************************************
1728 * Description:
1729 * Returns the correct value according to COS and priority in the
1730 * sp_pri_cli register for NIG.
1731 *
1732 ******************************************************************************/
elink_e3b0_sp_get_pri_cli_reg_nig(const uint8_t cos,const uint8_t pri_set)1733 static uint64_t elink_e3b0_sp_get_pri_cli_reg_nig(const uint8_t cos,
1734 const uint8_t pri_set)
1735 {
1736 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
1737 const uint8_t nig_cos_offset = 3;
1738 const uint8_t nig_pri_offset = 3;
1739
1740 return elink_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
1741 nig_pri_offset, 4);
1742 }
1743
1744 /******************************************************************************
1745 * Description:
1746 * Returns the correct value according to COS and priority in the
1747 * sp_pri_cli register for PBF.
1748 *
1749 ******************************************************************************/
elink_e3b0_sp_get_pri_cli_reg_pbf(const uint8_t cos,const uint8_t pri_set)1750 static uint64_t elink_e3b0_sp_get_pri_cli_reg_pbf(const uint8_t cos,
1751 const uint8_t pri_set)
1752 {
1753 const uint8_t pbf_cos_offset = 0;
1754 const uint8_t pbf_pri_offset = 0;
1755
1756 return elink_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
1757 pbf_pri_offset, 3);
1758 }
1759
1760 /******************************************************************************
1761 * Description:
1762 * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1763 * according to sp_pri_to_cos.(which COS has higher priority)
1764 *
1765 ******************************************************************************/
elink_ets_e3b0_sp_set_pri_cli_reg(const struct elink_params * params,uint8_t * sp_pri_to_cos)1766 static elink_status_t elink_ets_e3b0_sp_set_pri_cli_reg(
1767 const struct elink_params *params,
1768 uint8_t *sp_pri_to_cos)
1769 {
1770 struct bnx2x_softc *sc = params->sc;
1771 uint8_t i = 0;
1772 const uint8_t port = params->port;
1773 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
1774 uint64_t pri_cli_nig = 0x210;
1775 uint32_t pri_cli_pbf = 0x0;
1776 uint8_t pri_set = 0;
1777 uint8_t pri_bitmask = 0;
1778 const uint8_t max_num_of_cos = (port) ?
1779 ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 :
1780 ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
1781
1782 uint8_t cos_bit_to_set = (1 << max_num_of_cos) - 1;
1783
1784 /* Set all the strict priority first */
1785 for (i = 0; i < max_num_of_cos; i++) {
1786 if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1787 if (sp_pri_to_cos[i] >= ELINK_DCBX_MAX_NUM_COS) {
1788 ELINK_DEBUG_P0(sc,
1789 "elink_ets_e3b0_sp_set_pri_cli_reg "
1790 "invalid cos entry");
1791 return ELINK_STATUS_ERROR;
1792 }
1793
1794 pri_cli_nig |= elink_e3b0_sp_get_pri_cli_reg_nig(
1795 sp_pri_to_cos[i], pri_set);
1796
1797 pri_cli_pbf |= elink_e3b0_sp_get_pri_cli_reg_pbf(
1798 sp_pri_to_cos[i], pri_set);
1799 pri_bitmask = 1 << sp_pri_to_cos[i];
1800 /* COS is used remove it from bitmap.*/
1801 if (!(pri_bitmask & cos_bit_to_set)) {
1802 ELINK_DEBUG_P0(sc,
1803 "elink_ets_e3b0_sp_set_pri_cli_reg "
1804 "invalid There can't be two COS's with"
1805 " the same strict pri");
1806 return ELINK_STATUS_ERROR;
1807 }
1808 cos_bit_to_set &= ~pri_bitmask;
1809 pri_set++;
1810 }
1811 }
1812
1813 /* Set all the Non strict priority i= COS*/
1814 for (i = 0; i < max_num_of_cos; i++) {
1815 pri_bitmask = 1 << i;
1816 /* Check if COS was already used for SP */
1817 if (pri_bitmask & cos_bit_to_set) {
1818 /* COS wasn't used for SP */
1819 pri_cli_nig |= elink_e3b0_sp_get_pri_cli_reg_nig(
1820 i, pri_set);
1821
1822 pri_cli_pbf |= elink_e3b0_sp_get_pri_cli_reg_pbf(
1823 i, pri_set);
1824 /* COS is used remove it from bitmap.*/
1825 cos_bit_to_set &= ~pri_bitmask;
1826 pri_set++;
1827 }
1828 }
1829
1830 if (pri_set != max_num_of_cos) {
1831 ELINK_DEBUG_P0(sc, "elink_ets_e3b0_sp_set_pri_cli_reg not all "
1832 "entries were set");
1833 return ELINK_STATUS_ERROR;
1834 }
1835
1836 if (port) {
1837 /* Only 6 usable clients*/
1838 REG_WR(sc, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1839 (uint32_t)pri_cli_nig);
1840
1841 REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1, pri_cli_pbf);
1842 } else {
1843 /* Only 9 usable clients*/
1844 const uint32_t pri_cli_nig_lsb = (uint32_t)(pri_cli_nig);
1845 const uint32_t pri_cli_nig_msb = (uint32_t)
1846 ((pri_cli_nig >> 32) & 0xF);
1847
1848 REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1849 pri_cli_nig_lsb);
1850 REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1851 pri_cli_nig_msb);
1852
1853 REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0, pri_cli_pbf);
1854 }
1855 return ELINK_STATUS_OK;
1856 }
1857
1858 /******************************************************************************
1859 * Description:
1860 * Configure the COS to ETS according to BW and SP settings.
1861 ******************************************************************************/
elink_ets_e3b0_config(const struct elink_params * params,const struct elink_vars * vars,struct elink_ets_params * ets_params)1862 elink_status_t elink_ets_e3b0_config(const struct elink_params *params,
1863 const struct elink_vars *vars,
1864 struct elink_ets_params *ets_params)
1865 {
1866 struct bnx2x_softc *sc = params->sc;
1867 elink_status_t elink_status = ELINK_STATUS_OK;
1868 const uint8_t port = params->port;
1869 uint16_t total_bw = 0;
1870 const uint32_t min_w_val_nig = elink_ets_get_min_w_val_nig(vars);
1871 const uint32_t min_w_val_pbf = ELINK_ETS_E3B0_PBF_MIN_W_VAL;
1872 uint8_t cos_bw_bitmap = 0;
1873 uint8_t cos_sp_bitmap = 0;
1874 uint8_t sp_pri_to_cos[ELINK_DCBX_MAX_NUM_COS] = {0};
1875 const uint8_t max_num_of_cos = (port) ?
1876 ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 :
1877 ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
1878 uint8_t cos_entry = 0;
1879
1880 if (!CHIP_IS_E3B0(sc)) {
1881 ELINK_DEBUG_P0(sc,
1882 "elink_ets_e3b0_disabled the chip isn't E3B0");
1883 return ELINK_STATUS_ERROR;
1884 }
1885
1886 if (ets_params->num_of_cos > max_num_of_cos) {
1887 ELINK_DEBUG_P0(sc, "elink_ets_E3B0_config the number of COS "
1888 "isn't supported");
1889 return ELINK_STATUS_ERROR;
1890 }
1891
1892 /* Prepare sp strict priority parameters*/
1893 elink_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1894
1895 /* Prepare BW parameters*/
1896 elink_status = elink_ets_e3b0_get_total_bw(params, ets_params,
1897 &total_bw);
1898 if (elink_status != ELINK_STATUS_OK) {
1899 ELINK_DEBUG_P0(sc,
1900 "elink_ets_E3B0_config get_total_bw failed");
1901 return ELINK_STATUS_ERROR;
1902 }
1903
1904 /* Upper bound is set according to current link speed (min_w_val
1905 * should be the same for upper bound and COS credit val).
1906 */
1907 elink_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1908 elink_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1909
1910
1911 for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1912 if (elink_cos_state_bw == ets_params->cos[cos_entry].state) {
1913 cos_bw_bitmap |= (1 << cos_entry);
1914 /* The function also sets the BW in HW(not the mappin
1915 * yet)
1916 */
1917 elink_status = elink_ets_e3b0_set_cos_bw(
1918 sc, cos_entry, min_w_val_nig, min_w_val_pbf,
1919 total_bw,
1920 ets_params->cos[cos_entry].params.bw_params.bw,
1921 port);
1922 } else if (elink_cos_state_strict ==
1923 ets_params->cos[cos_entry].state){
1924 cos_sp_bitmap |= (1 << cos_entry);
1925
1926 elink_status = elink_ets_e3b0_sp_pri_to_cos_set(
1927 params,
1928 sp_pri_to_cos,
1929 ets_params->cos[cos_entry].params.sp_params.pri,
1930 cos_entry);
1931
1932 } else {
1933 ELINK_DEBUG_P0(sc,
1934 "elink_ets_e3b0_config cos state not valid");
1935 return ELINK_STATUS_ERROR;
1936 }
1937 if (elink_status != ELINK_STATUS_OK) {
1938 ELINK_DEBUG_P0(sc,
1939 "elink_ets_e3b0_config set cos bw failed");
1940 return elink_status;
1941 }
1942 }
1943
1944 /* Set SP register (which COS has higher priority) */
1945 elink_status = elink_ets_e3b0_sp_set_pri_cli_reg(params,
1946 sp_pri_to_cos);
1947
1948 if (elink_status != ELINK_STATUS_OK) {
1949 ELINK_DEBUG_P0(sc,
1950 "elink_ets_E3B0_config set_pri_cli_reg failed");
1951 return elink_status;
1952 }
1953
1954 /* Set client mapping of BW and strict */
1955 elink_status = elink_ets_e3b0_cli_map(params, ets_params,
1956 cos_sp_bitmap,
1957 cos_bw_bitmap);
1958
1959 if (elink_status != ELINK_STATUS_OK) {
1960 ELINK_DEBUG_P0(sc, "elink_ets_E3B0_config SP failed");
1961 return elink_status;
1962 }
1963 return ELINK_STATUS_OK;
1964 }
elink_ets_bw_limit_common(const struct elink_params * params)1965 static void elink_ets_bw_limit_common(const struct elink_params *params)
1966 {
1967 /* ETS disabled configuration */
1968 struct bnx2x_softc *sc = params->sc;
1969 ELINK_DEBUG_P0(sc, "ETS enabled BW limit configuration");
1970 /* Defines which entries (clients) are subjected to WFQ arbitration
1971 * COS0 0x8
1972 * COS1 0x10
1973 */
1974 REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
1975 /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
1976 * client numbers (WEIGHT_0 does not actually have to represent
1977 * client 0)
1978 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1979 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
1980 */
1981 REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1982
1983 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1984 ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1985 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1986 ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1987
1988 /* ETS mode enabled*/
1989 REG_WR(sc, PBF_REG_ETS_ENABLED, 1);
1990
1991 /* Defines the number of consecutive slots for the strict priority */
1992 REG_WR(sc, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
1993 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1994 * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
1995 * entry, 4 - COS1 entry.
1996 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1997 * bit4 bit3 bit2 bit1 bit0
1998 * MCP and debug are strict
1999 */
2000 REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
2001
2002 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
2003 REG_WR(sc, PBF_REG_COS0_UPPER_BOUND,
2004 ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
2005 REG_WR(sc, PBF_REG_COS1_UPPER_BOUND,
2006 ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
2007 }
2008
elink_ets_bw_limit(const struct elink_params * params,const uint32_t cos0_bw,const uint32_t cos1_bw)2009 void elink_ets_bw_limit(const struct elink_params *params,
2010 const uint32_t cos0_bw,
2011 const uint32_t cos1_bw)
2012 {
2013 /* ETS disabled configuration*/
2014 struct bnx2x_softc *sc = params->sc;
2015 const uint32_t total_bw = cos0_bw + cos1_bw;
2016 uint32_t cos0_credit_weight = 0;
2017 uint32_t cos1_credit_weight = 0;
2018
2019 ELINK_DEBUG_P0(sc, "ETS enabled BW limit configuration");
2020
2021 if ((!total_bw) ||
2022 (!cos0_bw) ||
2023 (!cos1_bw)) {
2024 ELINK_DEBUG_P0(sc, "Total BW can't be zero");
2025 return;
2026 }
2027
2028 cos0_credit_weight = (cos0_bw * ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT) /
2029 total_bw;
2030 cos1_credit_weight = (cos1_bw * ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT) /
2031 total_bw;
2032
2033 elink_ets_bw_limit_common(params);
2034
2035 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
2036 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
2037
2038 REG_WR(sc, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
2039 REG_WR(sc, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
2040 }
2041
elink_ets_strict(const struct elink_params * params,const uint8_t strict_cos)2042 elink_status_t elink_ets_strict(const struct elink_params *params,
2043 const uint8_t strict_cos)
2044 {
2045 /* ETS disabled configuration*/
2046 struct bnx2x_softc *sc = params->sc;
2047 uint32_t val = 0;
2048
2049 ELINK_DEBUG_P0(sc, "ETS enabled strict configuration");
2050 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
2051 * as strict. Bits 0,1,2 - debug and management entries,
2052 * 3 - COS0 entry, 4 - COS1 entry.
2053 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
2054 * bit4 bit3 bit2 bit1 bit0
2055 * MCP and debug are strict
2056 */
2057 REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
2058 /* For strict priority entries defines the number of consecutive slots
2059 * for the highest priority.
2060 */
2061 REG_WR(sc, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
2062 /* ETS mode disable */
2063 REG_WR(sc, PBF_REG_ETS_ENABLED, 0);
2064 /* Defines the number of consecutive slots for the strict priority */
2065 REG_WR(sc, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
2066
2067 /* Defines the number of consecutive slots for the strict priority */
2068 REG_WR(sc, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
2069
2070 /* Mapping between entry priority to client number (0,1,2 -debug and
2071 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
2072 * 3bits client num.
2073 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
2074 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
2075 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
2076 */
2077 val = (!strict_cos) ? 0x2318 : 0x22E0;
2078 REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
2079
2080 return ELINK_STATUS_OK;
2081 }
2082
2083 /******************************************************************/
2084 /* PFC section */
2085 /******************************************************************/
elink_update_pfc_xmac(struct elink_params * params,struct elink_vars * vars,__rte_unused uint8_t is_lb)2086 static void elink_update_pfc_xmac(struct elink_params *params,
2087 struct elink_vars *vars,
2088 __rte_unused uint8_t is_lb)
2089 {
2090 struct bnx2x_softc *sc = params->sc;
2091 uint32_t xmac_base;
2092 uint32_t pause_val, pfc0_val, pfc1_val;
2093
2094 /* XMAC base adrr */
2095 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
2096
2097 /* Initialize pause and pfc registers */
2098 pause_val = 0x18000;
2099 pfc0_val = 0xFFFF8000;
2100 pfc1_val = 0x2;
2101
2102 /* No PFC support */
2103 if (!(params->feature_config_flags &
2104 ELINK_FEATURE_CONFIG_PFC_ENABLED)) {
2105
2106 /* RX flow control - Process pause frame in receive direction
2107 */
2108 if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX)
2109 pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
2110
2111 /* TX flow control - Send pause packet when buffer is full */
2112 if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)
2113 pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
2114 } else {/* PFC support */
2115 pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
2116 XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
2117 XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
2118 XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
2119 XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
2120 /* Write pause and PFC registers */
2121 REG_WR(sc, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
2122 REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
2123 REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
2124 pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
2125
2126 }
2127
2128 /* Write pause and PFC registers */
2129 REG_WR(sc, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
2130 REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
2131 REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
2132
2133
2134 /* Set MAC address for source TX Pause/PFC frames */
2135 REG_WR(sc, xmac_base + XMAC_REG_CTRL_SA_LO,
2136 ((params->mac_addr[2] << 24) |
2137 (params->mac_addr[3] << 16) |
2138 (params->mac_addr[4] << 8) |
2139 (params->mac_addr[5])));
2140 REG_WR(sc, xmac_base + XMAC_REG_CTRL_SA_HI,
2141 ((params->mac_addr[0] << 8) |
2142 (params->mac_addr[1])));
2143
2144 DELAY(30);
2145 }
2146
elink_emac_get_pfc_stat(struct elink_params * params,uint32_t pfc_frames_sent[2],uint32_t pfc_frames_received[2])2147 static void elink_emac_get_pfc_stat(struct elink_params *params,
2148 uint32_t pfc_frames_sent[2],
2149 uint32_t pfc_frames_received[2])
2150 {
2151 /* Read pfc statistic */
2152 struct bnx2x_softc *sc = params->sc;
2153 uint32_t emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2154 uint32_t val_xon = 0;
2155 uint32_t val_xoff = 0;
2156
2157 ELINK_DEBUG_P0(sc, "pfc statistic read from EMAC");
2158
2159 /* PFC received frames */
2160 val_xoff = REG_RD(sc, emac_base +
2161 EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
2162 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
2163 val_xon = REG_RD(sc, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
2164 val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
2165
2166 pfc_frames_received[0] = val_xon + val_xoff;
2167
2168 /* PFC received sent */
2169 val_xoff = REG_RD(sc, emac_base +
2170 EMAC_REG_RX_PFC_STATS_XOFF_SENT);
2171 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
2172 val_xon = REG_RD(sc, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
2173 val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
2174
2175 pfc_frames_sent[0] = val_xon + val_xoff;
2176 }
2177
2178 /* Read pfc statistic*/
elink_pfc_statistic(struct elink_params * params,struct elink_vars * vars,uint32_t pfc_frames_sent[2],uint32_t pfc_frames_received[2])2179 void elink_pfc_statistic(struct elink_params *params, struct elink_vars *vars,
2180 uint32_t pfc_frames_sent[2],
2181 uint32_t pfc_frames_received[2])
2182 {
2183 /* Read pfc statistic */
2184 struct bnx2x_softc *sc = params->sc;
2185
2186 ELINK_DEBUG_P0(sc, "pfc statistic");
2187
2188 if (!vars->link_up)
2189 return;
2190
2191 if (vars->mac_type == ELINK_MAC_TYPE_EMAC) {
2192 ELINK_DEBUG_P0(sc, "About to read PFC stats from EMAC");
2193 elink_emac_get_pfc_stat(params, pfc_frames_sent,
2194 pfc_frames_received);
2195 }
2196 }
2197 /******************************************************************/
2198 /* MAC/PBF section */
2199 /******************************************************************/
elink_set_mdio_clk(struct bnx2x_softc * sc,__rte_unused uint32_t chip_id,uint32_t emac_base)2200 static void elink_set_mdio_clk(struct bnx2x_softc *sc,
2201 __rte_unused uint32_t chip_id,
2202 uint32_t emac_base)
2203 {
2204 uint32_t new_mode, cur_mode;
2205 uint32_t clc_cnt;
2206 /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
2207 * (a value of 49==0x31) and make sure that the AUTO poll is off
2208 */
2209 cur_mode = REG_RD(sc, emac_base + EMAC_REG_EMAC_MDIO_MODE);
2210
2211 if (USES_WARPCORE(sc))
2212 clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
2213 else
2214 clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
2215
2216 if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
2217 (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
2218 return;
2219
2220 new_mode = cur_mode &
2221 ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
2222 new_mode |= clc_cnt;
2223 new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
2224
2225 ELINK_DEBUG_P2(sc, "Changing emac_mode from 0x%x to 0x%x",
2226 cur_mode, new_mode);
2227 REG_WR(sc, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
2228 DELAY(40);
2229 }
2230
elink_is_4_port_mode(struct bnx2x_softc * sc)2231 static uint8_t elink_is_4_port_mode(struct bnx2x_softc *sc)
2232 {
2233 uint32_t port4mode_ovwr_val;
2234 /* Check 4-port override enabled */
2235 port4mode_ovwr_val = REG_RD(sc, MISC_REG_PORT4MODE_EN_OVWR);
2236 if (port4mode_ovwr_val & (1 << 0)) {
2237 /* Return 4-port mode override value */
2238 return ((port4mode_ovwr_val & (1 << 1)) == (1 << 1));
2239 }
2240 /* Return 4-port mode from input pin */
2241 return (uint8_t)REG_RD(sc, MISC_REG_PORT4MODE_EN);
2242 }
2243
elink_set_mdio_emac_per_phy(struct bnx2x_softc * sc,struct elink_params * params)2244 static void elink_set_mdio_emac_per_phy(struct bnx2x_softc *sc,
2245 struct elink_params *params)
2246 {
2247 uint8_t phy_index;
2248
2249 /* Set mdio clock per phy */
2250 for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys;
2251 phy_index++)
2252 elink_set_mdio_clk(sc, params->chip_id,
2253 params->phy[phy_index].mdio_ctrl);
2254 }
2255
elink_emac_init(struct elink_params * params,__rte_unused struct elink_vars * vars)2256 static void elink_emac_init(struct elink_params *params,
2257 __rte_unused struct elink_vars *vars)
2258 {
2259 /* reset and unreset the emac core */
2260 struct bnx2x_softc *sc = params->sc;
2261 uint8_t port = params->port;
2262 uint32_t emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2263 uint32_t val;
2264 uint16_t timeout;
2265
2266 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2267 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
2268 DELAY(5);
2269 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2270 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
2271
2272 /* init emac - use read-modify-write */
2273 /* self clear reset */
2274 val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE);
2275 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MODE,
2276 (val | EMAC_MODE_RESET));
2277
2278 timeout = 200;
2279 do {
2280 val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE);
2281 ELINK_DEBUG_P1(sc, "EMAC reset reg is %u", val);
2282 if (!timeout) {
2283 ELINK_DEBUG_P0(sc, "EMAC timeout!");
2284 return;
2285 }
2286 timeout--;
2287 } while (val & EMAC_MODE_RESET);
2288
2289 elink_set_mdio_emac_per_phy(sc, params);
2290 /* Set mac address */
2291 val = ((params->mac_addr[0] << 8) |
2292 params->mac_addr[1]);
2293 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MAC_MATCH, val);
2294
2295 val = ((params->mac_addr[2] << 24) |
2296 (params->mac_addr[3] << 16) |
2297 (params->mac_addr[4] << 8) |
2298 params->mac_addr[5]);
2299 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MAC_MATCH + 4, val);
2300 }
2301
elink_set_xumac_nig(struct elink_params * params,uint16_t tx_pause_en,uint8_t enable)2302 static void elink_set_xumac_nig(struct elink_params *params,
2303 uint16_t tx_pause_en,
2304 uint8_t enable)
2305 {
2306 struct bnx2x_softc *sc = params->sc;
2307
2308 REG_WR(sc, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
2309 enable);
2310 REG_WR(sc, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
2311 enable);
2312 REG_WR(sc, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
2313 NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
2314 }
2315
elink_set_umac_rxtx(struct elink_params * params,uint8_t en)2316 static void elink_set_umac_rxtx(struct elink_params *params, uint8_t en)
2317 {
2318 uint32_t umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
2319 uint32_t val;
2320 struct bnx2x_softc *sc = params->sc;
2321 if (!(REG_RD(sc, MISC_REG_RESET_REG_2) &
2322 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
2323 return;
2324 val = REG_RD(sc, umac_base + UMAC_REG_COMMAND_CONFIG);
2325 if (en)
2326 val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
2327 UMAC_COMMAND_CONFIG_REG_RX_ENA);
2328 else
2329 val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
2330 UMAC_COMMAND_CONFIG_REG_RX_ENA);
2331 /* Disable RX and TX */
2332 REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val);
2333 }
2334
elink_umac_enable(struct elink_params * params,struct elink_vars * vars,uint8_t lb)2335 static void elink_umac_enable(struct elink_params *params,
2336 struct elink_vars *vars, uint8_t lb)
2337 {
2338 uint32_t val;
2339 uint32_t umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
2340 struct bnx2x_softc *sc = params->sc;
2341 /* Reset UMAC */
2342 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2343 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
2344 DELAY(1000 * 1);
2345
2346 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2347 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
2348
2349 ELINK_DEBUG_P0(sc, "enabling UMAC");
2350
2351 /* This register opens the gate for the UMAC despite its name */
2352 REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port * 4, 1);
2353
2354 val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
2355 UMAC_COMMAND_CONFIG_REG_PAD_EN |
2356 UMAC_COMMAND_CONFIG_REG_SW_RESET |
2357 UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
2358 switch (vars->line_speed) {
2359 case ELINK_SPEED_10:
2360 val |= (0 << 2);
2361 break;
2362 case ELINK_SPEED_100:
2363 val |= (1 << 2);
2364 break;
2365 case ELINK_SPEED_1000:
2366 val |= (2 << 2);
2367 break;
2368 case ELINK_SPEED_2500:
2369 val |= (3 << 2);
2370 break;
2371 default:
2372 ELINK_DEBUG_P1(sc, "Invalid speed for UMAC %d",
2373 vars->line_speed);
2374 break;
2375 }
2376 if (!(vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
2377 val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
2378
2379 if (!(vars->flow_ctrl & ELINK_FLOW_CTRL_RX))
2380 val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
2381
2382 if (vars->duplex == DUPLEX_HALF)
2383 val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
2384
2385 REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val);
2386 DELAY(50);
2387
2388 /* Configure UMAC for EEE */
2389 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
2390 ELINK_DEBUG_P0(sc, "configured UMAC for EEE");
2391 REG_WR(sc, umac_base + UMAC_REG_UMAC_EEE_CTRL,
2392 UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
2393 REG_WR(sc, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
2394 } else {
2395 REG_WR(sc, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
2396 }
2397
2398 /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
2399 REG_WR(sc, umac_base + UMAC_REG_MAC_ADDR0,
2400 ((params->mac_addr[2] << 24) |
2401 (params->mac_addr[3] << 16) |
2402 (params->mac_addr[4] << 8) |
2403 (params->mac_addr[5])));
2404 REG_WR(sc, umac_base + UMAC_REG_MAC_ADDR1,
2405 ((params->mac_addr[0] << 8) |
2406 (params->mac_addr[1])));
2407
2408 /* Enable RX and TX */
2409 val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
2410 val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
2411 UMAC_COMMAND_CONFIG_REG_RX_ENA;
2412 REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val);
2413 DELAY(50);
2414
2415 /* Remove SW Reset */
2416 val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
2417
2418 /* Check loopback mode */
2419 if (lb)
2420 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
2421 REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val);
2422
2423 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
2424 * length used by the MAC receive logic to check frames.
2425 */
2426 REG_WR(sc, umac_base + UMAC_REG_MAXFR, 0x2710);
2427 elink_set_xumac_nig(params,
2428 ((vars->flow_ctrl & ELINK_FLOW_CTRL_TX) != 0), 1);
2429 vars->mac_type = ELINK_MAC_TYPE_UMAC;
2430
2431 }
2432
2433 /* Define the XMAC mode */
elink_xmac_init(struct elink_params * params,uint32_t max_speed)2434 static void elink_xmac_init(struct elink_params *params, uint32_t max_speed)
2435 {
2436 struct bnx2x_softc *sc = params->sc;
2437 uint32_t is_port4mode = elink_is_4_port_mode(sc);
2438
2439 /* In 4-port mode, need to set the mode only once, so if XMAC is
2440 * already out of reset, it means the mode has already been set,
2441 * and it must not* reset the XMAC again, since it controls both
2442 * ports of the path
2443 */
2444
2445 if (((CHIP_NUM(sc) == CHIP_NUM_57840_4_10) ||
2446 (CHIP_NUM(sc) == CHIP_NUM_57840_2_20) ||
2447 (CHIP_NUM(sc) == CHIP_NUM_57840_OBS)) &&
2448 is_port4mode &&
2449 (REG_RD(sc, MISC_REG_RESET_REG_2) &
2450 MISC_REGISTERS_RESET_REG_2_XMAC)) {
2451 ELINK_DEBUG_P0(sc,
2452 "XMAC already out of reset in 4-port mode");
2453 return;
2454 }
2455
2456 /* Hard reset */
2457 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2458 MISC_REGISTERS_RESET_REG_2_XMAC);
2459 DELAY(1000 * 1);
2460
2461 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2462 MISC_REGISTERS_RESET_REG_2_XMAC);
2463 if (is_port4mode) {
2464 ELINK_DEBUG_P0(sc, "Init XMAC to 2 ports x 10G per path");
2465
2466 /* Set the number of ports on the system side to up to 2 */
2467 REG_WR(sc, MISC_REG_XMAC_CORE_PORT_MODE, 1);
2468
2469 /* Set the number of ports on the Warp Core to 10G */
2470 REG_WR(sc, MISC_REG_XMAC_PHY_PORT_MODE, 3);
2471 } else {
2472 /* Set the number of ports on the system side to 1 */
2473 REG_WR(sc, MISC_REG_XMAC_CORE_PORT_MODE, 0);
2474 if (max_speed == ELINK_SPEED_10000) {
2475 ELINK_DEBUG_P0(sc,
2476 "Init XMAC to 10G x 1 port per path");
2477 /* Set the number of ports on the Warp Core to 10G */
2478 REG_WR(sc, MISC_REG_XMAC_PHY_PORT_MODE, 3);
2479 } else {
2480 ELINK_DEBUG_P0(sc,
2481 "Init XMAC to 20G x 2 ports per path");
2482 /* Set the number of ports on the Warp Core to 20G */
2483 REG_WR(sc, MISC_REG_XMAC_PHY_PORT_MODE, 1);
2484 }
2485 }
2486 /* Soft reset */
2487 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2488 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
2489 DELAY(1000 * 1);
2490
2491 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2492 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
2493
2494 }
2495
elink_set_xmac_rxtx(struct elink_params * params,uint8_t en)2496 static void elink_set_xmac_rxtx(struct elink_params *params, uint8_t en)
2497 {
2498 uint8_t port = params->port;
2499 struct bnx2x_softc *sc = params->sc;
2500 uint32_t pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
2501 uint32_t val;
2502
2503 if (REG_RD(sc, MISC_REG_RESET_REG_2) &
2504 MISC_REGISTERS_RESET_REG_2_XMAC) {
2505 /* Send an indication to change the state in the NIG back to XON
2506 * Clearing this bit enables the next set of this bit to get
2507 * rising edge
2508 */
2509 pfc_ctrl = REG_RD(sc, xmac_base + XMAC_REG_PFC_CTRL_HI);
2510 REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI,
2511 (pfc_ctrl & ~(1 << 1)));
2512 REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI,
2513 (pfc_ctrl | (1 << 1)));
2514 ELINK_DEBUG_P1(sc, "Disable XMAC on port %x", port);
2515 val = REG_RD(sc, xmac_base + XMAC_REG_CTRL);
2516 if (en)
2517 val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
2518 else
2519 val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
2520 REG_WR(sc, xmac_base + XMAC_REG_CTRL, val);
2521 }
2522 }
2523
elink_xmac_enable(struct elink_params * params,struct elink_vars * vars,uint8_t lb)2524 static elink_status_t elink_xmac_enable(struct elink_params *params,
2525 struct elink_vars *vars, uint8_t lb)
2526 {
2527 uint32_t val, xmac_base;
2528 struct bnx2x_softc *sc = params->sc;
2529 ELINK_DEBUG_P0(sc, "enabling XMAC");
2530
2531 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
2532
2533 elink_xmac_init(params, vars->line_speed);
2534
2535 /* This register determines on which events the MAC will assert
2536 * error on the i/f to the NIG along w/ EOP.
2537 */
2538
2539 /* This register tells the NIG whether to send traffic to UMAC
2540 * or XMAC
2541 */
2542 REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port * 4, 0);
2543
2544 /* When XMAC is in XLGMII mode, disable sending idles for fault
2545 * detection.
2546 */
2547 if (!(params->phy[ELINK_INT_PHY].flags & ELINK_FLAGS_TX_ERROR_CHECK)) {
2548 REG_WR(sc, xmac_base + XMAC_REG_RX_LSS_CTRL,
2549 (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
2550 XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
2551 REG_WR(sc, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
2552 REG_WR(sc, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
2553 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
2554 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
2555 }
2556 /* Set Max packet size */
2557 REG_WR(sc, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
2558
2559 /* CRC append for Tx packets */
2560 REG_WR(sc, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
2561
2562 /* update PFC */
2563 elink_update_pfc_xmac(params, vars, 0);
2564
2565 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
2566 ELINK_DEBUG_P0(sc, "Setting XMAC for EEE");
2567 REG_WR(sc, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
2568 REG_WR(sc, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
2569 } else {
2570 REG_WR(sc, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
2571 }
2572
2573 /* Enable TX and RX */
2574 val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
2575
2576 /* Set MAC in XLGMII mode for dual-mode */
2577 if ((vars->line_speed == ELINK_SPEED_20000) &&
2578 (params->phy[ELINK_INT_PHY].supported &
2579 ELINK_SUPPORTED_20000baseKR2_Full))
2580 val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
2581
2582 /* Check loopback mode */
2583 if (lb)
2584 val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
2585 REG_WR(sc, xmac_base + XMAC_REG_CTRL, val);
2586 elink_set_xumac_nig(params,
2587 ((vars->flow_ctrl & ELINK_FLOW_CTRL_TX) != 0), 1);
2588
2589 vars->mac_type = ELINK_MAC_TYPE_XMAC;
2590
2591 return ELINK_STATUS_OK;
2592 }
2593
elink_emac_enable(struct elink_params * params,struct elink_vars * vars,uint8_t lb)2594 static elink_status_t elink_emac_enable(struct elink_params *params,
2595 struct elink_vars *vars, uint8_t lb)
2596 {
2597 struct bnx2x_softc *sc = params->sc;
2598 uint8_t port = params->port;
2599 uint32_t emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2600 uint32_t val;
2601
2602 ELINK_DEBUG_P0(sc, "enabling EMAC");
2603
2604 /* Disable BMAC */
2605 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2606 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2607
2608 /* enable emac and not bmac */
2609 REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + port * 4, 1);
2610
2611 #ifdef ELINK_INCLUDE_EMUL
2612 /* for palladium */
2613 if (CHIP_REV_IS_EMUL(sc)) {
2614 /* Use lane 1 (of lanes 0-3) */
2615 REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port * 4, 1);
2616 REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port * 4, 1);
2617 }
2618 /* for fpga */
2619 else
2620 #endif
2621 #ifdef ELINK_INCLUDE_FPGA
2622 if (CHIP_REV_IS_FPGA(sc)) {
2623 /* Use lane 1 (of lanes 0-3) */
2624 ELINK_DEBUG_P0(sc, "elink_emac_enable: Setting FPGA");
2625
2626 REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port * 4, 1);
2627 REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port * 4, 0);
2628 } else
2629 #endif
2630 /* ASIC */
2631 if (vars->phy_flags & PHY_XGXS_FLAG) {
2632 uint32_t ser_lane = ((params->lane_config &
2633 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
2634 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
2635
2636 ELINK_DEBUG_P0(sc, "XGXS");
2637 /* select the master lanes (out of 0-3) */
2638 REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port * 4, ser_lane);
2639 /* select XGXS */
2640 REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port * 4, 1);
2641
2642 } else { /* SerDes */
2643 ELINK_DEBUG_P0(sc, "SerDes");
2644 /* select SerDes */
2645 REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port * 4, 0);
2646 }
2647
2648 elink_bits_en(sc, emac_base + EMAC_REG_EMAC_RX_MODE,
2649 EMAC_RX_MODE_RESET);
2650 elink_bits_en(sc, emac_base + EMAC_REG_EMAC_TX_MODE,
2651 EMAC_TX_MODE_RESET);
2652
2653 #if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
2654 if (CHIP_REV_IS_SLOW(sc)) {
2655 /* config GMII mode */
2656 val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE);
2657 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MODE,
2658 (val | EMAC_MODE_PORT_GMII));
2659 } else { /* ASIC */
2660 #endif
2661 /* pause enable/disable */
2662 elink_bits_dis(sc, emac_base + EMAC_REG_EMAC_RX_MODE,
2663 EMAC_RX_MODE_FLOW_EN);
2664
2665 elink_bits_dis(sc, emac_base + EMAC_REG_EMAC_TX_MODE,
2666 (EMAC_TX_MODE_EXT_PAUSE_EN |
2667 EMAC_TX_MODE_FLOW_EN));
2668 if (!(params->feature_config_flags &
2669 ELINK_FEATURE_CONFIG_PFC_ENABLED)) {
2670 if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX)
2671 elink_bits_en(sc, emac_base +
2672 EMAC_REG_EMAC_RX_MODE,
2673 EMAC_RX_MODE_FLOW_EN);
2674
2675 if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)
2676 elink_bits_en(sc, emac_base +
2677 EMAC_REG_EMAC_TX_MODE,
2678 (EMAC_TX_MODE_EXT_PAUSE_EN |
2679 EMAC_TX_MODE_FLOW_EN));
2680 } else
2681 elink_bits_en(sc, emac_base + EMAC_REG_EMAC_TX_MODE,
2682 EMAC_TX_MODE_FLOW_EN);
2683 #if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
2684 }
2685 #endif
2686
2687 /* KEEP_VLAN_TAG, promiscuous */
2688 val = REG_RD(sc, emac_base + EMAC_REG_EMAC_RX_MODE);
2689 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
2690
2691 /* Setting this bit causes MAC control frames (except for pause
2692 * frames) to be passed on for processing. This setting has no
2693 * affect on the operation of the pause frames. This bit effects
2694 * all packets regardless of RX Parser packet sorting logic.
2695 * Turn the PFC off to make sure we are in Xon state before
2696 * enabling it.
2697 */
2698 elink_cb_reg_write(sc, emac_base + EMAC_REG_RX_PFC_MODE, 0);
2699 if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED) {
2700 ELINK_DEBUG_P0(sc, "PFC is enabled");
2701 /* Enable PFC again */
2702 elink_cb_reg_write(sc, emac_base + EMAC_REG_RX_PFC_MODE,
2703 EMAC_REG_RX_PFC_MODE_RX_EN |
2704 EMAC_REG_RX_PFC_MODE_TX_EN |
2705 EMAC_REG_RX_PFC_MODE_PRIORITIES);
2706
2707 elink_cb_reg_write(sc, emac_base + EMAC_REG_RX_PFC_PARAM,
2708 ((0x0101 <<
2709 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
2710 (0x00ff <<
2711 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
2712 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
2713 }
2714 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_RX_MODE, val);
2715
2716 /* Set Loopback */
2717 val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE);
2718 if (lb)
2719 val |= 0x810;
2720 else
2721 val &= ~0x810;
2722 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MODE, val);
2723
2724 /* Enable emac */
2725 REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port * 4, 1);
2726
2727 /* Enable emac for jumbo packets */
2728 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_RX_MTU_SIZE,
2729 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
2730 (ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD)));
2731
2732 /* Strip CRC */
2733 REG_WR(sc, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port * 4, 0x1);
2734
2735 /* Disable the NIG in/out to the bmac */
2736 REG_WR(sc, NIG_REG_BMAC0_IN_EN + port * 4, 0x0);
2737 REG_WR(sc, NIG_REG_BMAC0_PAUSE_OUT_EN + port * 4, 0x0);
2738 REG_WR(sc, NIG_REG_BMAC0_OUT_EN + port * 4, 0x0);
2739
2740 /* Enable the NIG in/out to the emac */
2741 REG_WR(sc, NIG_REG_EMAC0_IN_EN + port * 4, 0x1);
2742 val = 0;
2743 if ((params->feature_config_flags &
2744 ELINK_FEATURE_CONFIG_PFC_ENABLED) ||
2745 (vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
2746 val = 1;
2747
2748 REG_WR(sc, NIG_REG_EMAC0_PAUSE_OUT_EN + port * 4, val);
2749 REG_WR(sc, NIG_REG_EGRESS_EMAC0_OUT_EN + port * 4, 0x1);
2750
2751 #ifdef ELINK_INCLUDE_EMUL
2752 if (CHIP_REV_IS_EMUL(sc)) {
2753 /* Take the BigMac out of reset */
2754 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2755 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2756
2757 /* Enable access for bmac registers */
2758 REG_WR(sc, NIG_REG_BMAC0_REGS_OUT_EN + port * 4, 0x1);
2759 } else
2760 #endif
2761 REG_WR(sc, NIG_REG_BMAC0_REGS_OUT_EN + port * 4, 0x0);
2762
2763 vars->mac_type = ELINK_MAC_TYPE_EMAC;
2764 return ELINK_STATUS_OK;
2765 }
2766
elink_update_pfc_bmac1(struct elink_params * params,struct elink_vars * vars)2767 static void elink_update_pfc_bmac1(struct elink_params *params,
2768 struct elink_vars *vars)
2769 {
2770 uint32_t wb_data[2];
2771 struct bnx2x_softc *sc = params->sc;
2772 uint32_t bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
2773 NIG_REG_INGRESS_BMAC0_MEM;
2774
2775 uint32_t val = 0x14;
2776 if ((!(params->feature_config_flags &
2777 ELINK_FEATURE_CONFIG_PFC_ENABLED)) &&
2778 (vars->flow_ctrl & ELINK_FLOW_CTRL_RX))
2779 /* Enable BigMAC to react on received Pause packets */
2780 val |= (1 << 5);
2781 wb_data[0] = val;
2782 wb_data[1] = 0;
2783 REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
2784
2785 /* TX control */
2786 val = 0xc0;
2787 if (!(params->feature_config_flags &
2788 ELINK_FEATURE_CONFIG_PFC_ENABLED) &&
2789 (vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
2790 val |= 0x800000;
2791 wb_data[0] = val;
2792 wb_data[1] = 0;
2793 REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
2794 }
2795
elink_update_pfc_bmac2(struct elink_params * params,struct elink_vars * vars,uint8_t is_lb)2796 static void elink_update_pfc_bmac2(struct elink_params *params,
2797 struct elink_vars *vars,
2798 uint8_t is_lb)
2799 {
2800 /* Set rx control: Strip CRC and enable BigMAC to relay
2801 * control packets to the system as well
2802 */
2803 uint32_t wb_data[2];
2804 struct bnx2x_softc *sc = params->sc;
2805 uint32_t bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
2806 NIG_REG_INGRESS_BMAC0_MEM;
2807 uint32_t val = 0x14;
2808
2809 if ((!(params->feature_config_flags &
2810 ELINK_FEATURE_CONFIG_PFC_ENABLED)) &&
2811 (vars->flow_ctrl & ELINK_FLOW_CTRL_RX))
2812 /* Enable BigMAC to react on received Pause packets */
2813 val |= (1 << 5);
2814 wb_data[0] = val;
2815 wb_data[1] = 0;
2816 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
2817 DELAY(30);
2818
2819 /* Tx control */
2820 val = 0xc0;
2821 if (!(params->feature_config_flags &
2822 ELINK_FEATURE_CONFIG_PFC_ENABLED) &&
2823 (vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
2824 val |= 0x800000;
2825 wb_data[0] = val;
2826 wb_data[1] = 0;
2827 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
2828
2829 if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED) {
2830 ELINK_DEBUG_P0(sc, "PFC is enabled");
2831 /* Enable PFC RX & TX & STATS and set 8 COS */
2832 wb_data[0] = 0x0;
2833 wb_data[0] |= (1 << 0); /* RX */
2834 wb_data[0] |= (1 << 1); /* TX */
2835 wb_data[0] |= (1 << 2); /* Force initial Xon */
2836 wb_data[0] |= (1 << 3); /* 8 cos */
2837 wb_data[0] |= (1 << 5); /* STATS */
2838 wb_data[1] = 0;
2839 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2840 wb_data, 2);
2841 /* Clear the force Xon */
2842 wb_data[0] &= ~(1 << 2);
2843 } else {
2844 ELINK_DEBUG_P0(sc, "PFC is disabled");
2845 /* Disable PFC RX & TX & STATS and set 8 COS */
2846 wb_data[0] = 0x8;
2847 wb_data[1] = 0;
2848 }
2849
2850 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2851
2852 /* Set Time (based unit is 512 bit time) between automatic
2853 * re-sending of PP packets amd enable automatic re-send of
2854 * Per-Priority Packet as long as pp_gen is asserted and
2855 * pp_disable is low.
2856 */
2857 val = 0x8000;
2858 if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
2859 val |= (1 << 16); /* enable automatic re-send */
2860
2861 wb_data[0] = val;
2862 wb_data[1] = 0;
2863 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
2864 wb_data, 2);
2865
2866 /* mac control */
2867 val = 0x3; /* Enable RX and TX */
2868 if (is_lb) {
2869 val |= 0x4; /* Local loopback */
2870 ELINK_DEBUG_P0(sc, "enable bmac loopback");
2871 }
2872 /* When PFC enabled, Pass pause frames towards the NIG. */
2873 if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
2874 val |= ((1 << 6) | (1 << 5));
2875
2876 wb_data[0] = val;
2877 wb_data[1] = 0;
2878 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2879 }
2880
2881 /******************************************************************************
2882 * Description:
2883 * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2884 * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2885 ******************************************************************************/
elink_pfc_nig_rx_priority_mask(struct bnx2x_softc * sc,uint8_t cos_entry,uint32_t priority_mask,uint8_t port)2886 static elink_status_t elink_pfc_nig_rx_priority_mask(struct bnx2x_softc *sc,
2887 uint8_t cos_entry,
2888 uint32_t priority_mask, uint8_t port)
2889 {
2890 uint32_t nig_reg_rx_priority_mask_add = 0;
2891
2892 switch (cos_entry) {
2893 case 0:
2894 nig_reg_rx_priority_mask_add = (port) ?
2895 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2896 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2897 break;
2898 case 1:
2899 nig_reg_rx_priority_mask_add = (port) ?
2900 NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2901 NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2902 break;
2903 case 2:
2904 nig_reg_rx_priority_mask_add = (port) ?
2905 NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2906 NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2907 break;
2908 case 3:
2909 if (port)
2910 return ELINK_STATUS_ERROR;
2911 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2912 break;
2913 case 4:
2914 if (port)
2915 return ELINK_STATUS_ERROR;
2916 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2917 break;
2918 case 5:
2919 if (port)
2920 return ELINK_STATUS_ERROR;
2921 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2922 break;
2923 }
2924
2925 REG_WR(sc, nig_reg_rx_priority_mask_add, priority_mask);
2926
2927 return ELINK_STATUS_OK;
2928 }
elink_update_mng(struct elink_params * params,uint32_t link_status)2929 static void elink_update_mng(struct elink_params *params, uint32_t link_status)
2930 {
2931 struct bnx2x_softc *sc = params->sc;
2932
2933 REG_WR(sc, params->shmem_base +
2934 offsetof(struct shmem_region,
2935 port_mb[params->port].link_status), link_status);
2936 }
2937
elink_update_pfc_nig(struct elink_params * params,__rte_unused struct elink_vars * vars,struct elink_nig_brb_pfc_port_params * nig_params)2938 static void elink_update_pfc_nig(struct elink_params *params,
2939 __rte_unused struct elink_vars *vars,
2940 struct elink_nig_brb_pfc_port_params *nig_params)
2941 {
2942 uint32_t xcm_mask = 0, ppp_enable = 0, pause_enable = 0;
2943 uint32_t llfc_out_en = 0;
2944 uint32_t llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2945 uint32_t pkt_priority_to_cos = 0;
2946 struct bnx2x_softc *sc = params->sc;
2947 uint8_t port = params->port;
2948
2949 int set_pfc = params->feature_config_flags &
2950 ELINK_FEATURE_CONFIG_PFC_ENABLED;
2951 ELINK_DEBUG_P0(sc, "updating pfc nig parameters");
2952
2953 /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2954 * MAC control frames (that are not pause packets)
2955 * will be forwarded to the XCM.
2956 */
2957 xcm_mask = REG_RD(sc, port ? NIG_REG_LLH1_XCM_MASK :
2958 NIG_REG_LLH0_XCM_MASK);
2959 /* NIG params will override non PFC params, since it's possible to
2960 * do transition from PFC to SAFC
2961 */
2962 if (set_pfc) {
2963 pause_enable = 0;
2964 llfc_out_en = 0;
2965 llfc_enable = 0;
2966 if (CHIP_IS_E3(sc))
2967 ppp_enable = 0;
2968 else
2969 ppp_enable = 1;
2970 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2971 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2972 xcm_out_en = 0;
2973 hwpfc_enable = 1;
2974 } else {
2975 if (nig_params) {
2976 llfc_out_en = nig_params->llfc_out_en;
2977 llfc_enable = nig_params->llfc_enable;
2978 pause_enable = nig_params->pause_enable;
2979 } else /* Default non PFC mode - PAUSE */
2980 pause_enable = 1;
2981
2982 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2983 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2984 xcm_out_en = 1;
2985 }
2986
2987 if (CHIP_IS_E3(sc))
2988 REG_WR(sc, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2989 NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2990 REG_WR(sc, port ? NIG_REG_LLFC_OUT_EN_1 :
2991 NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2992 REG_WR(sc, port ? NIG_REG_LLFC_ENABLE_1 :
2993 NIG_REG_LLFC_ENABLE_0, llfc_enable);
2994 REG_WR(sc, port ? NIG_REG_PAUSE_ENABLE_1 :
2995 NIG_REG_PAUSE_ENABLE_0, pause_enable);
2996
2997 REG_WR(sc, port ? NIG_REG_PPP_ENABLE_1 :
2998 NIG_REG_PPP_ENABLE_0, ppp_enable);
2999
3000 REG_WR(sc, port ? NIG_REG_LLH1_XCM_MASK :
3001 NIG_REG_LLH0_XCM_MASK, xcm_mask);
3002
3003 REG_WR(sc, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
3004 NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
3005
3006 /* Output enable for RX_XCM # IF */
3007 REG_WR(sc, port ? NIG_REG_XCM1_OUT_EN :
3008 NIG_REG_XCM0_OUT_EN, xcm_out_en);
3009
3010 /* HW PFC TX enable */
3011 REG_WR(sc, port ? NIG_REG_P1_HWPFC_ENABLE :
3012 NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
3013
3014 if (nig_params) {
3015 uint8_t i = 0;
3016 pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
3017
3018 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
3019 elink_pfc_nig_rx_priority_mask(sc, i,
3020 nig_params->rx_cos_priority_mask[i], port);
3021
3022 REG_WR(sc, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
3023 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
3024 nig_params->llfc_high_priority_classes);
3025
3026 REG_WR(sc, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
3027 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
3028 nig_params->llfc_low_priority_classes);
3029 }
3030 REG_WR(sc, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
3031 NIG_REG_P0_PKT_PRIORITY_TO_COS,
3032 pkt_priority_to_cos);
3033 }
3034
elink_update_pfc(struct elink_params * params,struct elink_vars * vars,struct elink_nig_brb_pfc_port_params * pfc_params)3035 elink_status_t elink_update_pfc(struct elink_params *params,
3036 struct elink_vars *vars,
3037 struct elink_nig_brb_pfc_port_params *pfc_params)
3038 {
3039 /* The PFC and pause are orthogonal to one another, meaning when
3040 * PFC is enabled, the pause are disabled, and when PFC is
3041 * disabled, pause are set according to the pause result.
3042 */
3043 uint32_t val;
3044 struct bnx2x_softc *sc = params->sc;
3045 uint8_t bmac_loopback = (params->loopback_mode == ELINK_LOOPBACK_BMAC);
3046
3047 if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
3048 vars->link_status |= LINK_STATUS_PFC_ENABLED;
3049 else
3050 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
3051
3052 elink_update_mng(params, vars->link_status);
3053
3054 /* Update NIG params */
3055 elink_update_pfc_nig(params, vars, pfc_params);
3056
3057 if (!vars->link_up)
3058 return ELINK_STATUS_OK;
3059
3060 ELINK_DEBUG_P0(sc, "About to update PFC in BMAC");
3061
3062 if (CHIP_IS_E3(sc)) {
3063 if (vars->mac_type == ELINK_MAC_TYPE_XMAC)
3064 elink_update_pfc_xmac(params, vars, 0);
3065 } else {
3066 val = REG_RD(sc, MISC_REG_RESET_REG_2);
3067 if ((val &
3068 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
3069 == 0) {
3070 ELINK_DEBUG_P0(sc, "About to update PFC in EMAC");
3071 elink_emac_enable(params, vars, 0);
3072 return ELINK_STATUS_OK;
3073 }
3074 if (CHIP_IS_E2(sc))
3075 elink_update_pfc_bmac2(params, vars, bmac_loopback);
3076 else
3077 elink_update_pfc_bmac1(params, vars);
3078
3079 val = 0;
3080 if ((params->feature_config_flags &
3081 ELINK_FEATURE_CONFIG_PFC_ENABLED) ||
3082 (vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
3083 val = 1;
3084 REG_WR(sc, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port * 4, val);
3085 }
3086 return ELINK_STATUS_OK;
3087 }
3088
elink_bmac1_enable(struct elink_params * params,struct elink_vars * vars,uint8_t is_lb)3089 static elink_status_t elink_bmac1_enable(struct elink_params *params,
3090 struct elink_vars *vars,
3091 uint8_t is_lb)
3092 {
3093 struct bnx2x_softc *sc = params->sc;
3094 uint8_t port = params->port;
3095 uint32_t bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
3096 NIG_REG_INGRESS_BMAC0_MEM;
3097 uint32_t wb_data[2];
3098 uint32_t val;
3099
3100 ELINK_DEBUG_P0(sc, "Enabling BigMAC1");
3101
3102 /* XGXS control */
3103 wb_data[0] = 0x3c;
3104 wb_data[1] = 0;
3105 REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
3106 wb_data, 2);
3107
3108 /* TX MAC SA */
3109 wb_data[0] = ((params->mac_addr[2] << 24) |
3110 (params->mac_addr[3] << 16) |
3111 (params->mac_addr[4] << 8) |
3112 params->mac_addr[5]);
3113 wb_data[1] = ((params->mac_addr[0] << 8) |
3114 params->mac_addr[1]);
3115 REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
3116
3117 /* MAC control */
3118 val = 0x3;
3119 if (is_lb) {
3120 val |= 0x4;
3121 ELINK_DEBUG_P0(sc, "enable bmac loopback");
3122 }
3123 wb_data[0] = val;
3124 wb_data[1] = 0;
3125 REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
3126
3127 /* Set rx mtu */
3128 wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
3129 wb_data[1] = 0;
3130 REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
3131
3132 elink_update_pfc_bmac1(params, vars);
3133
3134 /* Set tx mtu */
3135 wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
3136 wb_data[1] = 0;
3137 REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
3138
3139 /* Set cnt max size */
3140 wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
3141 wb_data[1] = 0;
3142 REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
3143
3144 /* Configure SAFC */
3145 wb_data[0] = 0x1000200;
3146 wb_data[1] = 0;
3147 REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
3148 wb_data, 2);
3149 #ifdef ELINK_INCLUDE_EMUL
3150 /* Fix for emulation */
3151 if (CHIP_REV_IS_EMUL(sc)) {
3152 wb_data[0] = 0xf000;
3153 wb_data[1] = 0;
3154 REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD,
3155 wb_data, 2);
3156 }
3157 #endif
3158
3159 return ELINK_STATUS_OK;
3160 }
3161
elink_bmac2_enable(struct elink_params * params,struct elink_vars * vars,uint8_t is_lb)3162 static elink_status_t elink_bmac2_enable(struct elink_params *params,
3163 struct elink_vars *vars,
3164 uint8_t is_lb)
3165 {
3166 struct bnx2x_softc *sc = params->sc;
3167 uint8_t port = params->port;
3168 uint32_t bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
3169 NIG_REG_INGRESS_BMAC0_MEM;
3170 uint32_t wb_data[2];
3171
3172 ELINK_DEBUG_P0(sc, "Enabling BigMAC2");
3173
3174 wb_data[0] = 0;
3175 wb_data[1] = 0;
3176 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
3177 DELAY(30);
3178
3179 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
3180 wb_data[0] = 0x3c;
3181 wb_data[1] = 0;
3182 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
3183 wb_data, 2);
3184
3185 DELAY(30);
3186
3187 /* TX MAC SA */
3188 wb_data[0] = ((params->mac_addr[2] << 24) |
3189 (params->mac_addr[3] << 16) |
3190 (params->mac_addr[4] << 8) |
3191 params->mac_addr[5]);
3192 wb_data[1] = ((params->mac_addr[0] << 8) |
3193 params->mac_addr[1]);
3194 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
3195 wb_data, 2);
3196
3197 DELAY(30);
3198
3199 /* Configure SAFC */
3200 wb_data[0] = 0x1000200;
3201 wb_data[1] = 0;
3202 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
3203 wb_data, 2);
3204 DELAY(30);
3205
3206 /* Set RX MTU */
3207 wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
3208 wb_data[1] = 0;
3209 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
3210 DELAY(30);
3211
3212 /* Set TX MTU */
3213 wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
3214 wb_data[1] = 0;
3215 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
3216 DELAY(30);
3217 /* Set cnt max size */
3218 wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD - 2;
3219 wb_data[1] = 0;
3220 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
3221 DELAY(30);
3222 elink_update_pfc_bmac2(params, vars, is_lb);
3223
3224 return ELINK_STATUS_OK;
3225 }
3226
elink_bmac_enable(struct elink_params * params,struct elink_vars * vars,uint8_t is_lb,uint8_t reset_bmac)3227 static elink_status_t elink_bmac_enable(struct elink_params *params,
3228 struct elink_vars *vars,
3229 uint8_t is_lb, uint8_t reset_bmac)
3230 {
3231 elink_status_t rc = ELINK_STATUS_OK;
3232 uint8_t port = params->port;
3233 struct bnx2x_softc *sc = params->sc;
3234 uint32_t val;
3235 /* Reset and unreset the BigMac */
3236 if (reset_bmac) {
3237 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
3238 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
3239 DELAY(1000 * 1);
3240 }
3241
3242 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
3243 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
3244
3245 /* Enable access for bmac registers */
3246 REG_WR(sc, NIG_REG_BMAC0_REGS_OUT_EN + port * 4, 0x1);
3247
3248 /* Enable BMAC according to BMAC type*/
3249 if (CHIP_IS_E2(sc))
3250 rc = elink_bmac2_enable(params, vars, is_lb);
3251 else
3252 rc = elink_bmac1_enable(params, vars, is_lb);
3253 REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port * 4, 0x1);
3254 REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port * 4, 0x0);
3255 REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + port * 4, 0x0);
3256 val = 0;
3257 if ((params->feature_config_flags &
3258 ELINK_FEATURE_CONFIG_PFC_ENABLED) ||
3259 (vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
3260 val = 1;
3261 REG_WR(sc, NIG_REG_BMAC0_PAUSE_OUT_EN + port * 4, val);
3262 REG_WR(sc, NIG_REG_EGRESS_EMAC0_OUT_EN + port * 4, 0x0);
3263 REG_WR(sc, NIG_REG_EMAC0_IN_EN + port * 4, 0x0);
3264 REG_WR(sc, NIG_REG_EMAC0_PAUSE_OUT_EN + port * 4, 0x0);
3265 REG_WR(sc, NIG_REG_BMAC0_IN_EN + port * 4, 0x1);
3266 REG_WR(sc, NIG_REG_BMAC0_OUT_EN + port * 4, 0x1);
3267
3268 vars->mac_type = ELINK_MAC_TYPE_BMAC;
3269 return rc;
3270 }
3271
elink_set_bmac_rx(struct bnx2x_softc * sc,__rte_unused uint32_t chip_id,uint8_t port,uint8_t en)3272 static void elink_set_bmac_rx(struct bnx2x_softc *sc,
3273 __rte_unused uint32_t chip_id,
3274 uint8_t port, uint8_t en)
3275 {
3276 uint32_t bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
3277 NIG_REG_INGRESS_BMAC0_MEM;
3278 uint32_t wb_data[2];
3279 uint32_t nig_bmac_enable = REG_RD(sc, NIG_REG_BMAC0_REGS_OUT_EN +
3280 port * 4);
3281
3282 if (CHIP_IS_E2(sc))
3283 bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
3284 else
3285 bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
3286 /* Only if the bmac is out of reset */
3287 if (REG_RD(sc, MISC_REG_RESET_REG_2) &
3288 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
3289 nig_bmac_enable) {
3290 /* Clear Rx Enable bit in BMAC_CONTROL register */
3291 REG_RD_DMAE(sc, bmac_addr, wb_data, 2);
3292 if (en)
3293 wb_data[0] |= ELINK_BMAC_CONTROL_RX_ENABLE;
3294 else
3295 wb_data[0] &= ~ELINK_BMAC_CONTROL_RX_ENABLE;
3296 REG_WR_DMAE(sc, bmac_addr, wb_data, 2);
3297 DELAY(1000 * 1);
3298 }
3299 }
3300
elink_pbf_update(struct elink_params * params,uint32_t flow_ctrl,uint32_t line_speed)3301 static elink_status_t elink_pbf_update(struct elink_params *params,
3302 uint32_t flow_ctrl,
3303 uint32_t line_speed)
3304 {
3305 struct bnx2x_softc *sc = params->sc;
3306 uint8_t port = params->port;
3307 uint32_t init_crd, crd;
3308 uint32_t count = 1000;
3309
3310 /* Disable port */
3311 REG_WR(sc, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port * 4, 0x1);
3312
3313 /* Wait for init credit */
3314 init_crd = REG_RD(sc, PBF_REG_P0_INIT_CRD + port * 4);
3315 crd = REG_RD(sc, PBF_REG_P0_CREDIT + port * 8);
3316 ELINK_DEBUG_P2(sc, "init_crd 0x%x crd 0x%x", init_crd, crd);
3317
3318 while ((init_crd != crd) && count) {
3319 DELAY(1000 * 5);
3320 crd = REG_RD(sc, PBF_REG_P0_CREDIT + port * 8);
3321 count--;
3322 }
3323 crd = REG_RD(sc, PBF_REG_P0_CREDIT + port * 8);
3324 if (init_crd != crd) {
3325 ELINK_DEBUG_P2(sc, "BUG! init_crd 0x%x != crd 0x%x",
3326 init_crd, crd);
3327 return ELINK_STATUS_ERROR;
3328 }
3329
3330 if (flow_ctrl & ELINK_FLOW_CTRL_RX ||
3331 line_speed == ELINK_SPEED_10 ||
3332 line_speed == ELINK_SPEED_100 ||
3333 line_speed == ELINK_SPEED_1000 ||
3334 line_speed == ELINK_SPEED_2500) {
3335 REG_WR(sc, PBF_REG_P0_PAUSE_ENABLE + port * 4, 1);
3336 /* Update threshold */
3337 REG_WR(sc, PBF_REG_P0_ARB_THRSH + port * 4, 0);
3338 /* Update init credit */
3339 init_crd = 778; /* (800-18-4) */
3340
3341 } else {
3342 uint32_t thresh = (ELINK_ETH_MAX_JUMBO_PACKET_SIZE +
3343 ELINK_ETH_OVREHEAD) / 16;
3344 REG_WR(sc, PBF_REG_P0_PAUSE_ENABLE + port * 4, 0);
3345 /* Update threshold */
3346 REG_WR(sc, PBF_REG_P0_ARB_THRSH + port * 4, thresh);
3347 /* Update init credit */
3348 switch (line_speed) {
3349 case ELINK_SPEED_10000:
3350 init_crd = thresh + 553 - 22;
3351 break;
3352 default:
3353 ELINK_DEBUG_P1(sc, "Invalid line_speed 0x%x",
3354 line_speed);
3355 return ELINK_STATUS_ERROR;
3356 }
3357 }
3358 REG_WR(sc, PBF_REG_P0_INIT_CRD + port * 4, init_crd);
3359 ELINK_DEBUG_P2(sc, "PBF updated to speed %d credit %d",
3360 line_speed, init_crd);
3361
3362 /* Probe the credit changes */
3363 REG_WR(sc, PBF_REG_INIT_P0 + port * 4, 0x1);
3364 DELAY(1000 * 5);
3365 REG_WR(sc, PBF_REG_INIT_P0 + port * 4, 0x0);
3366
3367 /* Enable port */
3368 REG_WR(sc, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port * 4, 0x0);
3369 return ELINK_STATUS_OK;
3370 }
3371
3372 /**
3373 * elink_get_emac_base - retrieve emac base address
3374 *
3375 * @bp: driver handle
3376 * @mdc_mdio_access: access type
3377 * @port: port id
3378 *
3379 * This function selects the MDC/MDIO access (through emac0 or
3380 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
3381 * phy has a default access mode, which could also be overridden
3382 * by nvram configuration. This parameter, whether this is the
3383 * default phy configuration, or the nvram overrun
3384 * configuration, is passed here as mdc_mdio_access and selects
3385 * the emac_base for the CL45 read/writes operations
3386 */
elink_get_emac_base(struct bnx2x_softc * sc,uint32_t mdc_mdio_access,uint8_t port)3387 static uint32_t elink_get_emac_base(struct bnx2x_softc *sc,
3388 uint32_t mdc_mdio_access, uint8_t port)
3389 {
3390 uint32_t emac_base = 0;
3391 switch (mdc_mdio_access) {
3392 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
3393 break;
3394 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
3395 if (REG_RD(sc, NIG_REG_PORT_SWAP))
3396 emac_base = GRCBASE_EMAC1;
3397 else
3398 emac_base = GRCBASE_EMAC0;
3399 break;
3400 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
3401 if (REG_RD(sc, NIG_REG_PORT_SWAP))
3402 emac_base = GRCBASE_EMAC0;
3403 else
3404 emac_base = GRCBASE_EMAC1;
3405 break;
3406 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
3407 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3408 break;
3409 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
3410 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
3411 break;
3412 default:
3413 break;
3414 }
3415 return emac_base;
3416
3417 }
3418
3419 /******************************************************************/
3420 /* CL22 access functions */
3421 /******************************************************************/
elink_cl22_write(struct bnx2x_softc * sc,struct elink_phy * phy,uint16_t reg,uint16_t val)3422 static elink_status_t elink_cl22_write(struct bnx2x_softc *sc,
3423 struct elink_phy *phy,
3424 uint16_t reg, uint16_t val)
3425 {
3426 uint32_t tmp, mode;
3427 uint8_t i;
3428 elink_status_t rc = ELINK_STATUS_OK;
3429 /* Switch to CL22 */
3430 mode = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
3431 REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
3432 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
3433
3434 /* Address */
3435 tmp = ((phy->addr << 21) | (reg << 16) | val |
3436 EMAC_MDIO_COMM_COMMAND_WRITE_22 |
3437 EMAC_MDIO_COMM_START_BUSY);
3438 REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3439
3440 for (i = 0; i < 50; i++) {
3441 DELAY(10);
3442
3443 tmp = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3444 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3445 DELAY(5);
3446 break;
3447 }
3448 }
3449 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3450 ELINK_DEBUG_P0(sc, "write phy register failed");
3451 rc = ELINK_STATUS_TIMEOUT;
3452 }
3453 REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
3454 return rc;
3455 }
3456
elink_cl22_read(struct bnx2x_softc * sc,struct elink_phy * phy,uint16_t reg,uint16_t * ret_val)3457 static elink_status_t elink_cl22_read(struct bnx2x_softc *sc,
3458 struct elink_phy *phy,
3459 uint16_t reg, uint16_t *ret_val)
3460 {
3461 uint32_t val, mode;
3462 uint16_t i;
3463 elink_status_t rc = ELINK_STATUS_OK;
3464
3465 /* Switch to CL22 */
3466 mode = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
3467 REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
3468 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
3469
3470 /* Address */
3471 val = ((phy->addr << 21) | (reg << 16) |
3472 EMAC_MDIO_COMM_COMMAND_READ_22 |
3473 EMAC_MDIO_COMM_START_BUSY);
3474 REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3475
3476 for (i = 0; i < 50; i++) {
3477 DELAY(10);
3478
3479 val = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3480 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3481 *ret_val = (uint16_t)(val & EMAC_MDIO_COMM_DATA);
3482 DELAY(5);
3483 break;
3484 }
3485 }
3486 if (val & EMAC_MDIO_COMM_START_BUSY) {
3487 ELINK_DEBUG_P0(sc, "read phy register failed");
3488
3489 *ret_val = 0;
3490 rc = ELINK_STATUS_TIMEOUT;
3491 }
3492 REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
3493 return rc;
3494 }
3495
3496 /******************************************************************/
3497 /* CL45 access functions */
3498 /******************************************************************/
elink_cl45_read(struct bnx2x_softc * sc,struct elink_phy * phy,uint8_t devad,uint16_t reg,uint16_t * ret_val)3499 static elink_status_t elink_cl45_read(struct bnx2x_softc *sc,
3500 struct elink_phy *phy,
3501 uint8_t devad, uint16_t reg, uint16_t *ret_val)
3502 {
3503 uint32_t val;
3504 uint16_t i;
3505 elink_status_t rc = ELINK_STATUS_OK;
3506 uint32_t chip_id;
3507 if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_G) {
3508 chip_id = (REG_RD(sc, MISC_REG_CHIP_NUM) << 16) |
3509 ((REG_RD(sc, MISC_REG_CHIP_REV) & 0xf) << 12);
3510 elink_set_mdio_clk(sc, chip_id, phy->mdio_ctrl);
3511 }
3512
3513 if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
3514 elink_bits_en(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3515 EMAC_MDIO_STATUS_10MB);
3516 /* Address */
3517 val = ((phy->addr << 21) | (devad << 16) | reg |
3518 EMAC_MDIO_COMM_COMMAND_ADDRESS |
3519 EMAC_MDIO_COMM_START_BUSY);
3520 REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3521
3522 for (i = 0; i < 50; i++) {
3523 DELAY(10);
3524
3525 val = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3526 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3527 DELAY(5);
3528 break;
3529 }
3530 }
3531 if (val & EMAC_MDIO_COMM_START_BUSY) {
3532 ELINK_DEBUG_P0(sc, "read phy register failed");
3533 elink_cb_event_log(sc, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT);
3534 /* "MDC/MDIO access timeout" */
3535
3536 *ret_val = 0;
3537 rc = ELINK_STATUS_TIMEOUT;
3538 } else {
3539 /* Data */
3540 val = ((phy->addr << 21) | (devad << 16) |
3541 EMAC_MDIO_COMM_COMMAND_READ_45 |
3542 EMAC_MDIO_COMM_START_BUSY);
3543 REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3544
3545 for (i = 0; i < 50; i++) {
3546 DELAY(10);
3547
3548 val = REG_RD(sc, phy->mdio_ctrl +
3549 EMAC_REG_EMAC_MDIO_COMM);
3550 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3551 *ret_val = (uint16_t)
3552 (val & EMAC_MDIO_COMM_DATA);
3553 break;
3554 }
3555 }
3556 if (val & EMAC_MDIO_COMM_START_BUSY) {
3557 ELINK_DEBUG_P0(sc, "read phy register failed");
3558 elink_cb_event_log(sc,
3559 ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT);
3560 /* "MDC/MDIO access timeout" */
3561
3562 *ret_val = 0;
3563 rc = ELINK_STATUS_TIMEOUT;
3564 }
3565 }
3566 /* Work around for E3 A0 */
3567 if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA) {
3568 phy->flags ^= ELINK_FLAGS_DUMMY_READ;
3569 if (phy->flags & ELINK_FLAGS_DUMMY_READ) {
3570 uint16_t temp_val;
3571 elink_cl45_read(sc, phy, devad, 0xf, &temp_val);
3572 }
3573 }
3574
3575 if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
3576 elink_bits_dis(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3577 EMAC_MDIO_STATUS_10MB);
3578 return rc;
3579 }
3580
elink_cl45_write(struct bnx2x_softc * sc,struct elink_phy * phy,uint8_t devad,uint16_t reg,uint16_t val)3581 static elink_status_t elink_cl45_write(struct bnx2x_softc *sc,
3582 struct elink_phy *phy,
3583 uint8_t devad, uint16_t reg, uint16_t val)
3584 {
3585 uint32_t tmp;
3586 uint8_t i;
3587 elink_status_t rc = ELINK_STATUS_OK;
3588 uint32_t chip_id;
3589 if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_G) {
3590 chip_id = (REG_RD(sc, MISC_REG_CHIP_NUM) << 16) |
3591 ((REG_RD(sc, MISC_REG_CHIP_REV) & 0xf) << 12);
3592 elink_set_mdio_clk(sc, chip_id, phy->mdio_ctrl);
3593 }
3594
3595 if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
3596 elink_bits_en(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3597 EMAC_MDIO_STATUS_10MB);
3598
3599 /* Address */
3600 tmp = ((phy->addr << 21) | (devad << 16) | reg |
3601 EMAC_MDIO_COMM_COMMAND_ADDRESS |
3602 EMAC_MDIO_COMM_START_BUSY);
3603 REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3604
3605 for (i = 0; i < 50; i++) {
3606 DELAY(10);
3607
3608 tmp = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3609 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3610 DELAY(5);
3611 break;
3612 }
3613 }
3614 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3615 ELINK_DEBUG_P0(sc, "write phy register failed");
3616 elink_cb_event_log(sc, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT);
3617 /* "MDC/MDIO access timeout" */
3618
3619 rc = ELINK_STATUS_TIMEOUT;
3620 } else {
3621 /* Data */
3622 tmp = ((phy->addr << 21) | (devad << 16) | val |
3623 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
3624 EMAC_MDIO_COMM_START_BUSY);
3625 REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3626
3627 for (i = 0; i < 50; i++) {
3628 DELAY(10);
3629
3630 tmp = REG_RD(sc, phy->mdio_ctrl +
3631 EMAC_REG_EMAC_MDIO_COMM);
3632 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3633 DELAY(5);
3634 break;
3635 }
3636 }
3637 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3638 ELINK_DEBUG_P0(sc, "write phy register failed");
3639 elink_cb_event_log(sc,
3640 ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT);
3641 /* "MDC/MDIO access timeout" */
3642
3643 rc = ELINK_STATUS_TIMEOUT;
3644 }
3645 }
3646 /* Work around for E3 A0 */
3647 if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA) {
3648 phy->flags ^= ELINK_FLAGS_DUMMY_READ;
3649 if (phy->flags & ELINK_FLAGS_DUMMY_READ) {
3650 uint16_t temp_val;
3651 elink_cl45_read(sc, phy, devad, 0xf, &temp_val);
3652 }
3653 }
3654 if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
3655 elink_bits_dis(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3656 EMAC_MDIO_STATUS_10MB);
3657 return rc;
3658 }
3659
3660 /******************************************************************/
3661 /* EEE section */
3662 /******************************************************************/
elink_eee_has_cap(struct elink_params * params)3663 static uint8_t elink_eee_has_cap(struct elink_params *params)
3664 {
3665 struct bnx2x_softc *sc = params->sc;
3666
3667 if (REG_RD(sc, params->shmem2_base) <=
3668 offsetof(struct shmem2_region, eee_status[params->port]))
3669 return 0;
3670
3671 return 1;
3672 }
3673
elink_eee_nvram_to_time(uint32_t nvram_mode,uint32_t * idle_timer)3674 static elink_status_t elink_eee_nvram_to_time(uint32_t nvram_mode,
3675 uint32_t *idle_timer)
3676 {
3677 switch (nvram_mode) {
3678 case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
3679 *idle_timer = ELINK_EEE_MODE_NVRAM_BALANCED_TIME;
3680 break;
3681 case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
3682 *idle_timer = ELINK_EEE_MODE_NVRAM_AGGRESSIVE_TIME;
3683 break;
3684 case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
3685 *idle_timer = ELINK_EEE_MODE_NVRAM_LATENCY_TIME;
3686 break;
3687 default:
3688 *idle_timer = 0;
3689 break;
3690 }
3691
3692 return ELINK_STATUS_OK;
3693 }
3694
elink_eee_time_to_nvram(uint32_t idle_timer,uint32_t * nvram_mode)3695 static elink_status_t elink_eee_time_to_nvram(uint32_t idle_timer,
3696 uint32_t *nvram_mode)
3697 {
3698 switch (idle_timer) {
3699 case ELINK_EEE_MODE_NVRAM_BALANCED_TIME:
3700 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
3701 break;
3702 case ELINK_EEE_MODE_NVRAM_AGGRESSIVE_TIME:
3703 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
3704 break;
3705 case ELINK_EEE_MODE_NVRAM_LATENCY_TIME:
3706 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
3707 break;
3708 default:
3709 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
3710 break;
3711 }
3712
3713 return ELINK_STATUS_OK;
3714 }
3715
elink_eee_calc_timer(struct elink_params * params)3716 static uint32_t elink_eee_calc_timer(struct elink_params *params)
3717 {
3718 uint32_t eee_mode, eee_idle;
3719 struct bnx2x_softc *sc = params->sc;
3720
3721 if (params->eee_mode & ELINK_EEE_MODE_OVERRIDE_NVRAM) {
3722 if (params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME) {
3723 /* time value in eee_mode --> used directly*/
3724 eee_idle = params->eee_mode & ELINK_EEE_MODE_TIMER_MASK;
3725 } else {
3726 /* hsi value in eee_mode --> time */
3727 if (elink_eee_nvram_to_time(params->eee_mode &
3728 ELINK_EEE_MODE_NVRAM_MASK,
3729 &eee_idle))
3730 return 0;
3731 }
3732 } else {
3733 /* hsi values in nvram --> time*/
3734 eee_mode = ((REG_RD(sc, params->shmem_base +
3735 offsetof(struct shmem_region, dev_info.
3736 port_feature_config[params->port].
3737 eee_power_mode)) &
3738 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
3739 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
3740
3741 if (elink_eee_nvram_to_time(eee_mode, &eee_idle))
3742 return 0;
3743 }
3744
3745 return eee_idle;
3746 }
3747
elink_eee_set_timers(struct elink_params * params,struct elink_vars * vars)3748 static elink_status_t elink_eee_set_timers(struct elink_params *params,
3749 struct elink_vars *vars)
3750 {
3751 uint32_t eee_idle = 0, eee_mode;
3752 struct bnx2x_softc *sc = params->sc;
3753
3754 eee_idle = elink_eee_calc_timer(params);
3755
3756 if (eee_idle) {
3757 REG_WR(sc, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
3758 eee_idle);
3759 } else if ((params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI) &&
3760 (params->eee_mode & ELINK_EEE_MODE_OVERRIDE_NVRAM) &&
3761 (params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME)) {
3762 ELINK_DEBUG_P0(sc, "Error: Tx LPI is enabled with timer 0");
3763 return ELINK_STATUS_ERROR;
3764 }
3765
3766 vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
3767 if (params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME) {
3768 /* eee_idle in 1u --> eee_status in 16u */
3769 eee_idle >>= 4;
3770 vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
3771 SHMEM_EEE_TIME_OUTPUT_BIT;
3772 } else {
3773 if (elink_eee_time_to_nvram(eee_idle, &eee_mode))
3774 return ELINK_STATUS_ERROR;
3775 vars->eee_status |= eee_mode;
3776 }
3777
3778 return ELINK_STATUS_OK;
3779 }
3780
elink_eee_initial_config(struct elink_params * params,struct elink_vars * vars,uint8_t mode)3781 static elink_status_t elink_eee_initial_config(struct elink_params *params,
3782 struct elink_vars *vars, uint8_t mode)
3783 {
3784 vars->eee_status |= ((uint32_t) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
3785
3786 /* Propagate params' bits --> vars (for migration exposure) */
3787 if (params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI)
3788 vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
3789 else
3790 vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
3791
3792 if (params->eee_mode & ELINK_EEE_MODE_ADV_LPI)
3793 vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
3794 else
3795 vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
3796
3797 return elink_eee_set_timers(params, vars);
3798 }
3799
elink_eee_disable(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)3800 static elink_status_t elink_eee_disable(struct elink_phy *phy,
3801 struct elink_params *params,
3802 struct elink_vars *vars)
3803 {
3804 struct bnx2x_softc *sc = params->sc;
3805
3806 /* Make Certain LPI is disabled */
3807 REG_WR(sc, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
3808
3809 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
3810
3811 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
3812
3813 return ELINK_STATUS_OK;
3814 }
3815
elink_eee_advertise(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars,uint8_t modes)3816 static elink_status_t elink_eee_advertise(struct elink_phy *phy,
3817 struct elink_params *params,
3818 struct elink_vars *vars, uint8_t modes)
3819 {
3820 struct bnx2x_softc *sc = params->sc;
3821 uint16_t val = 0;
3822
3823 /* Mask events preventing LPI generation */
3824 REG_WR(sc, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
3825
3826 if (modes & SHMEM_EEE_10G_ADV) {
3827 ELINK_DEBUG_P0(sc, "Advertise 10GBase-T EEE");
3828 val |= 0x8;
3829 }
3830 if (modes & SHMEM_EEE_1G_ADV) {
3831 ELINK_DEBUG_P0(sc, "Advertise 1GBase-T EEE");
3832 val |= 0x4;
3833 }
3834
3835 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
3836
3837 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
3838 vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
3839
3840 return ELINK_STATUS_OK;
3841 }
3842
elink_update_mng_eee(struct elink_params * params,uint32_t eee_status)3843 static void elink_update_mng_eee(struct elink_params *params,
3844 uint32_t eee_status)
3845 {
3846 struct bnx2x_softc *sc = params->sc;
3847
3848 if (elink_eee_has_cap(params))
3849 REG_WR(sc, params->shmem2_base +
3850 offsetof(struct shmem2_region,
3851 eee_status[params->port]), eee_status);
3852 }
3853
elink_eee_an_resolve(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)3854 static void elink_eee_an_resolve(struct elink_phy *phy,
3855 struct elink_params *params,
3856 struct elink_vars *vars)
3857 {
3858 struct bnx2x_softc *sc = params->sc;
3859 uint16_t adv = 0, lp = 0;
3860 uint32_t lp_adv = 0;
3861 uint8_t neg = 0;
3862
3863 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
3864 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
3865
3866 if (lp & 0x2) {
3867 lp_adv |= SHMEM_EEE_100M_ADV;
3868 if (adv & 0x2) {
3869 if (vars->line_speed == ELINK_SPEED_100)
3870 neg = 1;
3871 ELINK_DEBUG_P0(sc, "EEE negotiated - 100M");
3872 }
3873 }
3874 if (lp & 0x14) {
3875 lp_adv |= SHMEM_EEE_1G_ADV;
3876 if (adv & 0x14) {
3877 if (vars->line_speed == ELINK_SPEED_1000)
3878 neg = 1;
3879 ELINK_DEBUG_P0(sc, "EEE negotiated - 1G");
3880 }
3881 }
3882 if (lp & 0x68) {
3883 lp_adv |= SHMEM_EEE_10G_ADV;
3884 if (adv & 0x68) {
3885 if (vars->line_speed == ELINK_SPEED_10000)
3886 neg = 1;
3887 ELINK_DEBUG_P0(sc, "EEE negotiated - 10G");
3888 }
3889 }
3890
3891 vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
3892 vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
3893
3894 if (neg) {
3895 ELINK_DEBUG_P0(sc, "EEE is active");
3896 vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
3897 }
3898 }
3899
3900 /******************************************************************/
3901 /* BSC access functions from E3 */
3902 /******************************************************************/
elink_bsc_module_sel(struct elink_params * params)3903 static void elink_bsc_module_sel(struct elink_params *params)
3904 {
3905 int idx;
3906 uint32_t board_cfg, sfp_ctrl;
3907 uint32_t i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3908 struct bnx2x_softc *sc = params->sc;
3909 uint8_t port = params->port;
3910 /* Read I2C output PINs */
3911 board_cfg = REG_RD(sc, params->shmem_base +
3912 offsetof(struct shmem_region,
3913 dev_info.shared_hw_config.board));
3914 i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3915 i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3916 SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3917
3918 /* Read I2C output value */
3919 sfp_ctrl = REG_RD(sc, params->shmem_base +
3920 offsetof(struct shmem_region,
3921 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3922 i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3923 i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3924 ELINK_DEBUG_P0(sc, "Setting BSC switch");
3925 for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3926 elink_set_cfg_pin(sc, i2c_pins[idx], i2c_val[idx]);
3927 }
3928
elink_bsc_read(struct bnx2x_softc * sc,uint8_t sl_devid,uint16_t sl_addr,uint8_t lc_addr,uint8_t xfer_cnt,uint32_t * data_array)3929 static elink_status_t elink_bsc_read(struct bnx2x_softc *sc,
3930 uint8_t sl_devid,
3931 uint16_t sl_addr,
3932 uint8_t lc_addr,
3933 uint8_t xfer_cnt,
3934 uint32_t *data_array)
3935 {
3936 uint32_t val, i;
3937 elink_status_t rc = ELINK_STATUS_OK;
3938
3939 if (xfer_cnt > 16) {
3940 ELINK_DEBUG_P1(sc, "invalid xfer_cnt %d. Max is 16 bytes",
3941 xfer_cnt);
3942 return ELINK_STATUS_ERROR;
3943 }
3944
3945 xfer_cnt = 16 - lc_addr;
3946
3947 /* Enable the engine */
3948 val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
3949 val |= MCPR_IMC_COMMAND_ENABLE;
3950 REG_WR(sc, MCP_REG_MCPR_IMC_COMMAND, val);
3951
3952 /* Program slave device ID */
3953 val = (sl_devid << 16) | sl_addr;
3954 REG_WR(sc, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3955
3956 /* Start xfer with 0 byte to update the address pointer ???*/
3957 val = (MCPR_IMC_COMMAND_ENABLE) |
3958 (MCPR_IMC_COMMAND_WRITE_OP <<
3959 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3960 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3961 REG_WR(sc, MCP_REG_MCPR_IMC_COMMAND, val);
3962
3963 /* Poll for completion */
3964 i = 0;
3965 val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
3966 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3967 DELAY(10);
3968 val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
3969 if (i++ > 1000) {
3970 ELINK_DEBUG_P1(sc, "wr 0 byte timed out after %d try",
3971 i);
3972 rc = ELINK_STATUS_TIMEOUT;
3973 break;
3974 }
3975 }
3976 if (rc == ELINK_STATUS_TIMEOUT)
3977 return rc;
3978
3979 /* Start xfer with read op */
3980 val = (MCPR_IMC_COMMAND_ENABLE) |
3981 (MCPR_IMC_COMMAND_READ_OP <<
3982 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3983 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3984 (xfer_cnt);
3985 REG_WR(sc, MCP_REG_MCPR_IMC_COMMAND, val);
3986
3987 /* Poll for completion */
3988 i = 0;
3989 val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
3990 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3991 DELAY(10);
3992 val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
3993 if (i++ > 1000) {
3994 ELINK_DEBUG_P1(sc, "rd op timed out after %d try", i);
3995 rc = ELINK_STATUS_TIMEOUT;
3996 break;
3997 }
3998 }
3999 if (rc == ELINK_STATUS_TIMEOUT)
4000 return rc;
4001
4002 for (i = (lc_addr >> 2); i < 4; i++) {
4003 data_array[i] = REG_RD(sc, (MCP_REG_MCPR_IMC_DATAREG0 + i * 4));
4004 #ifdef __BIG_ENDIAN
4005 data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
4006 ((data_array[i] & 0x0000ff00) << 8) |
4007 ((data_array[i] & 0x00ff0000) >> 8) |
4008 ((data_array[i] & 0xff000000) >> 24);
4009 #endif
4010 }
4011 return rc;
4012 }
4013
elink_cl45_read_or_write(struct bnx2x_softc * sc,struct elink_phy * phy,uint8_t devad,uint16_t reg,uint16_t or_val)4014 static void elink_cl45_read_or_write(struct bnx2x_softc *sc,
4015 struct elink_phy *phy,
4016 uint8_t devad, uint16_t reg,
4017 uint16_t or_val)
4018 {
4019 uint16_t val;
4020 elink_cl45_read(sc, phy, devad, reg, &val);
4021 elink_cl45_write(sc, phy, devad, reg, val | or_val);
4022 }
4023
elink_cl45_read_and_write(struct bnx2x_softc * sc,struct elink_phy * phy,uint8_t devad,uint16_t reg,uint16_t and_val)4024 static void elink_cl45_read_and_write(struct bnx2x_softc *sc,
4025 struct elink_phy *phy,
4026 uint8_t devad, uint16_t reg,
4027 uint16_t and_val)
4028 {
4029 uint16_t val;
4030 elink_cl45_read(sc, phy, devad, reg, &val);
4031 elink_cl45_write(sc, phy, devad, reg, val & and_val);
4032 }
4033
elink_phy_read(struct elink_params * params,uint8_t phy_addr,uint8_t devad,uint16_t reg,uint16_t * ret_val)4034 elink_status_t elink_phy_read(struct elink_params *params, uint8_t phy_addr,
4035 uint8_t devad, uint16_t reg, uint16_t *ret_val)
4036 {
4037 uint8_t phy_index;
4038 /* Probe for the phy according to the given phy_addr, and execute
4039 * the read request on it
4040 */
4041 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
4042 if (params->phy[phy_index].addr == phy_addr) {
4043 return elink_cl45_read(params->sc,
4044 ¶ms->phy[phy_index], devad,
4045 reg, ret_val);
4046 }
4047 }
4048 return ELINK_STATUS_ERROR;
4049 }
4050
elink_phy_write(struct elink_params * params,uint8_t phy_addr,uint8_t devad,uint16_t reg,uint16_t val)4051 elink_status_t elink_phy_write(struct elink_params *params, uint8_t phy_addr,
4052 uint8_t devad, uint16_t reg, uint16_t val)
4053 {
4054 uint8_t phy_index;
4055 /* Probe for the phy according to the given phy_addr, and execute
4056 * the write request on it
4057 */
4058 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
4059 if (params->phy[phy_index].addr == phy_addr) {
4060 return elink_cl45_write(params->sc,
4061 ¶ms->phy[phy_index], devad,
4062 reg, val);
4063 }
4064 }
4065 return ELINK_STATUS_ERROR;
4066 }
4067
elink_get_warpcore_lane(__rte_unused struct elink_phy * phy,struct elink_params * params)4068 static uint8_t elink_get_warpcore_lane(__rte_unused struct elink_phy *phy,
4069 struct elink_params *params)
4070 {
4071 uint8_t lane = 0;
4072 struct bnx2x_softc *sc = params->sc;
4073 uint32_t path_swap, path_swap_ovr;
4074 uint8_t path, port;
4075
4076 path = SC_PATH(sc);
4077 port = params->port;
4078
4079 if (elink_is_4_port_mode(sc)) {
4080 uint32_t port_swap, port_swap_ovr;
4081
4082 /* Figure out path swap value */
4083 path_swap_ovr = REG_RD(sc, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
4084 if (path_swap_ovr & 0x1)
4085 path_swap = (path_swap_ovr & 0x2);
4086 else
4087 path_swap = REG_RD(sc, MISC_REG_FOUR_PORT_PATH_SWAP);
4088
4089 if (path_swap)
4090 path = path ^ 1;
4091
4092 /* Figure out port swap value */
4093 port_swap_ovr = REG_RD(sc, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
4094 if (port_swap_ovr & 0x1)
4095 port_swap = (port_swap_ovr & 0x2);
4096 else
4097 port_swap = REG_RD(sc, MISC_REG_FOUR_PORT_PORT_SWAP);
4098
4099 if (port_swap)
4100 port = port ^ 1;
4101
4102 lane = (port << 1) + path;
4103 } else { /* Two port mode - no port swap */
4104
4105 /* Figure out path swap value */
4106 path_swap_ovr =
4107 REG_RD(sc, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
4108 if (path_swap_ovr & 0x1) {
4109 path_swap = (path_swap_ovr & 0x2);
4110 } else {
4111 path_swap =
4112 REG_RD(sc, MISC_REG_TWO_PORT_PATH_SWAP);
4113 }
4114 if (path_swap)
4115 path = path ^ 1;
4116
4117 lane = path << 1;
4118 }
4119 return lane;
4120 }
4121
4122
elink_set_aer_mmd(struct elink_params * params,struct elink_phy * phy)4123 static void elink_set_aer_mmd(struct elink_params *params,
4124 struct elink_phy *phy)
4125 {
4126 uint32_t ser_lane;
4127 uint16_t offset, aer_val;
4128 struct bnx2x_softc *sc = params->sc;
4129 ser_lane = ((params->lane_config &
4130 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4131 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
4132
4133 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
4134 (phy->addr + ser_lane) : 0;
4135
4136 if (USES_WARPCORE(sc)) {
4137 aer_val = elink_get_warpcore_lane(phy, params);
4138 /* In Dual-lane mode, two lanes are joined together,
4139 * so in order to configure them, the AER broadcast method is
4140 * used here.
4141 * 0x200 is the broadcast address for lanes 0,1
4142 * 0x201 is the broadcast address for lanes 2,3
4143 */
4144 if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
4145 aer_val = (aer_val >> 1) | 0x200;
4146 } else if (CHIP_IS_E2(sc))
4147 aer_val = 0x3800 + offset - 1;
4148 else
4149 aer_val = 0x3800 + offset;
4150
4151 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4152 MDIO_AER_BLOCK_AER_REG, aer_val);
4153
4154 }
4155
4156 /******************************************************************/
4157 /* Internal phy section */
4158 /******************************************************************/
4159
elink_set_serdes_access(struct bnx2x_softc * sc,uint8_t port)4160 static void elink_set_serdes_access(struct bnx2x_softc *sc, uint8_t port)
4161 {
4162 uint32_t emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
4163
4164 /* Set Clause 22 */
4165 REG_WR(sc, NIG_REG_SERDES0_CTRL_MD_ST + port * 0x10, 1);
4166 REG_WR(sc, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
4167 DELAY(500);
4168 REG_WR(sc, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
4169 DELAY(500);
4170 /* Set Clause 45 */
4171 REG_WR(sc, NIG_REG_SERDES0_CTRL_MD_ST + port * 0x10, 0);
4172 }
4173
elink_serdes_deassert(struct bnx2x_softc * sc,uint8_t port)4174 static void elink_serdes_deassert(struct bnx2x_softc *sc, uint8_t port)
4175 {
4176 uint32_t val;
4177
4178 ELINK_DEBUG_P0(sc, "elink_serdes_deassert");
4179
4180 val = ELINK_SERDES_RESET_BITS << (port * 16);
4181
4182 /* Reset and unreset the SerDes/XGXS */
4183 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
4184 DELAY(500);
4185 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
4186
4187 elink_set_serdes_access(sc, port);
4188
4189 REG_WR(sc, NIG_REG_SERDES0_CTRL_MD_DEVAD + port * 0x10,
4190 ELINK_DEFAULT_PHY_DEV_ADDR);
4191 }
4192
elink_xgxs_specific_func(struct elink_phy * phy,struct elink_params * params,uint32_t action)4193 static void elink_xgxs_specific_func(struct elink_phy *phy,
4194 struct elink_params *params,
4195 uint32_t action)
4196 {
4197 struct bnx2x_softc *sc = params->sc;
4198 switch (action) {
4199 case ELINK_PHY_INIT:
4200 /* Set correct devad */
4201 REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_ST + params->port * 0x18, 0);
4202 REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port * 0x18,
4203 phy->def_md_devad);
4204 break;
4205 }
4206 }
4207
elink_xgxs_deassert(struct elink_params * params)4208 static void elink_xgxs_deassert(struct elink_params *params)
4209 {
4210 struct bnx2x_softc *sc = params->sc;
4211 uint8_t port;
4212 uint32_t val;
4213 ELINK_DEBUG_P0(sc, "elink_xgxs_deassert");
4214 port = params->port;
4215
4216 val = ELINK_XGXS_RESET_BITS << (port * 16);
4217
4218 /* Reset and unreset the SerDes/XGXS */
4219 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
4220 DELAY(500);
4221 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
4222 elink_xgxs_specific_func(¶ms->phy[ELINK_INT_PHY], params,
4223 ELINK_PHY_INIT);
4224 }
4225
elink_calc_ieee_aneg_adv(struct elink_phy * phy,struct elink_params * params,uint16_t * ieee_fc)4226 static void elink_calc_ieee_aneg_adv(struct elink_phy *phy,
4227 struct elink_params *params,
4228 uint16_t *ieee_fc)
4229 {
4230 struct bnx2x_softc *sc = params->sc;
4231 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
4232 /* Resolve pause mode and advertisement Please refer to Table
4233 * 28B-3 of the 802.3ab-1999 spec
4234 */
4235
4236 switch (phy->req_flow_ctrl) {
4237 case ELINK_FLOW_CTRL_AUTO:
4238 switch (params->req_fc_auto_adv) {
4239 case ELINK_FLOW_CTRL_BOTH:
4240 case ELINK_FLOW_CTRL_RX:
4241 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
4242 break;
4243 case ELINK_FLOW_CTRL_TX:
4244 *ieee_fc |=
4245 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
4246 break;
4247 default:
4248 break;
4249 }
4250 break;
4251 case ELINK_FLOW_CTRL_TX:
4252 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
4253 break;
4254
4255 case ELINK_FLOW_CTRL_RX:
4256 case ELINK_FLOW_CTRL_BOTH:
4257 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
4258 break;
4259
4260 case ELINK_FLOW_CTRL_NONE:
4261 default:
4262 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
4263 break;
4264 }
4265 ELINK_DEBUG_P1(sc, "ieee_fc = 0x%x", *ieee_fc);
4266 }
4267
set_phy_vars(struct elink_params * params,struct elink_vars * vars)4268 static void set_phy_vars(struct elink_params *params,
4269 struct elink_vars *vars)
4270 {
4271 struct bnx2x_softc *sc = params->sc;
4272 uint8_t actual_phy_idx, phy_index, link_cfg_idx;
4273 uint8_t phy_config_swapped = params->multi_phy_config &
4274 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
4275 for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys;
4276 phy_index++) {
4277 link_cfg_idx = ELINK_LINK_CONFIG_IDX(phy_index);
4278 actual_phy_idx = phy_index;
4279 if (phy_config_swapped) {
4280 if (phy_index == ELINK_EXT_PHY1)
4281 actual_phy_idx = ELINK_EXT_PHY2;
4282 else if (phy_index == ELINK_EXT_PHY2)
4283 actual_phy_idx = ELINK_EXT_PHY1;
4284 }
4285 params->phy[actual_phy_idx].req_flow_ctrl =
4286 params->req_flow_ctrl[link_cfg_idx];
4287
4288 params->phy[actual_phy_idx].req_line_speed =
4289 params->req_line_speed[link_cfg_idx];
4290
4291 params->phy[actual_phy_idx].speed_cap_mask =
4292 params->speed_cap_mask[link_cfg_idx];
4293
4294 params->phy[actual_phy_idx].req_duplex =
4295 params->req_duplex[link_cfg_idx];
4296
4297 if (params->req_line_speed[link_cfg_idx] ==
4298 ELINK_SPEED_AUTO_NEG)
4299 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
4300
4301 ELINK_DEBUG_P3(sc, "req_flow_ctrl %x, req_line_speed %x,"
4302 " speed_cap_mask %x",
4303 params->phy[actual_phy_idx].req_flow_ctrl,
4304 params->phy[actual_phy_idx].req_line_speed,
4305 params->phy[actual_phy_idx].speed_cap_mask);
4306 }
4307 }
4308
elink_ext_phy_set_pause(struct elink_params * params,struct elink_phy * phy,struct elink_vars * vars)4309 static void elink_ext_phy_set_pause(struct elink_params *params,
4310 struct elink_phy *phy,
4311 struct elink_vars *vars)
4312 {
4313 uint16_t val;
4314 struct bnx2x_softc *sc = params->sc;
4315 /* Read modify write pause advertizing */
4316 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
4317
4318 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
4319
4320 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
4321 elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
4322 if ((vars->ieee_fc &
4323 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
4324 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
4325 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
4326 }
4327 if ((vars->ieee_fc &
4328 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
4329 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
4330 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
4331 }
4332 ELINK_DEBUG_P1(sc, "Ext phy AN advertize 0x%x", val);
4333 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
4334 }
4335
elink_pause_resolve(__rte_unused struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars,uint32_t pause_result)4336 static void elink_pause_resolve(__rte_unused struct elink_phy *phy,
4337 struct elink_params *params,
4338 struct elink_vars *vars,
4339 uint32_t pause_result)
4340 {
4341 struct bnx2x_softc *sc = params->sc;
4342 /* LD LP */
4343 switch (pause_result) { /* ASYM P ASYM P */
4344 case 0xb: /* 1 0 1 1 */
4345 ELINK_DEBUG_P0(sc, "Flow Control: TX only");
4346 vars->flow_ctrl = ELINK_FLOW_CTRL_TX;
4347 break;
4348
4349 case 0xe: /* 1 1 1 0 */
4350 ELINK_DEBUG_P0(sc, "Flow Control: RX only");
4351 vars->flow_ctrl = ELINK_FLOW_CTRL_RX;
4352 break;
4353
4354 case 0x5: /* 0 1 0 1 */
4355 case 0x7: /* 0 1 1 1 */
4356 case 0xd: /* 1 1 0 1 */
4357 case 0xf: /* 1 1 1 1 */
4358 /* If the user selected to advertise RX ONLY,
4359 * although we advertised both, need to enable
4360 * RX only.
4361 */
4362
4363 if (params->req_fc_auto_adv == ELINK_FLOW_CTRL_BOTH) {
4364 ELINK_DEBUG_P0(sc, "Flow Control: RX & TX");
4365 vars->flow_ctrl = ELINK_FLOW_CTRL_BOTH;
4366 } else {
4367 ELINK_DEBUG_P0(sc, "Flow Control: RX only");
4368 vars->flow_ctrl = ELINK_FLOW_CTRL_RX;
4369 }
4370 break;
4371 default:
4372 ELINK_DEBUG_P0(sc, "Flow Control: None");
4373 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
4374 break;
4375 }
4376 if (pause_result & (1 << 0))
4377 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
4378 if (pause_result & (1 << 1))
4379 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
4380
4381 }
4382
elink_ext_phy_update_adv_fc(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)4383 static void elink_ext_phy_update_adv_fc(struct elink_phy *phy,
4384 struct elink_params *params,
4385 struct elink_vars *vars)
4386 {
4387 uint16_t ld_pause; /* local */
4388 uint16_t lp_pause; /* link partner */
4389 uint16_t pause_result;
4390 struct bnx2x_softc *sc = params->sc;
4391 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY2_TYPE_BNX2X54618SE) {
4392 elink_cl22_read(sc, phy, 0x4, &ld_pause);
4393 elink_cl22_read(sc, phy, 0x5, &lp_pause);
4394 } else if (CHIP_IS_E3(sc) &&
4395 ELINK_SINGLE_MEDIA_DIRECT(params)) {
4396 uint8_t lane = elink_get_warpcore_lane(phy, params);
4397 uint16_t gp_status, gp_mask;
4398 elink_cl45_read(sc, phy,
4399 MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
4400 &gp_status);
4401 gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
4402 MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
4403 lane;
4404 if ((gp_status & gp_mask) == gp_mask) {
4405 elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
4406 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
4407 elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
4408 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
4409 } else {
4410 elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
4411 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
4412 elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
4413 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
4414 ld_pause = ((ld_pause &
4415 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
4416 << 3);
4417 lp_pause = ((lp_pause &
4418 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
4419 << 3);
4420 }
4421 } else {
4422 elink_cl45_read(sc, phy,
4423 MDIO_AN_DEVAD,
4424 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
4425 elink_cl45_read(sc, phy,
4426 MDIO_AN_DEVAD,
4427 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
4428 }
4429 pause_result = (ld_pause &
4430 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
4431 pause_result |= (lp_pause &
4432 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
4433 ELINK_DEBUG_P1(sc, "Ext PHY pause result 0x%x", pause_result);
4434 elink_pause_resolve(phy, params, vars, pause_result);
4435
4436 }
4437
elink_ext_phy_resolve_fc(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)4438 static uint8_t elink_ext_phy_resolve_fc(struct elink_phy *phy,
4439 struct elink_params *params,
4440 struct elink_vars *vars)
4441 {
4442 uint8_t ret = 0;
4443 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
4444 if (phy->req_flow_ctrl != ELINK_FLOW_CTRL_AUTO) {
4445 /* Update the advertised flow-controled of LD/LP in AN */
4446 if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
4447 elink_ext_phy_update_adv_fc(phy, params, vars);
4448 /* But set the flow-control result as the requested one */
4449 vars->flow_ctrl = phy->req_flow_ctrl;
4450 } else if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG)
4451 vars->flow_ctrl = params->req_fc_auto_adv;
4452 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
4453 ret = 1;
4454 elink_ext_phy_update_adv_fc(phy, params, vars);
4455 }
4456 return ret;
4457 }
4458 /******************************************************************/
4459 /* Warpcore section */
4460 /******************************************************************/
4461 /* The init_internal_warpcore should mirror the xgxs,
4462 * i.e. reset the lane (if needed), set aer for the
4463 * init configuration, and set/clear SGMII flag. Internal
4464 * phy init is done purely in phy_init stage.
4465 */
4466 #define WC_TX_DRIVER(post2, idriver, ipre, ifir) \
4467 ((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
4468 (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
4469 (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET) | \
4470 (ifir << MDIO_WC_REG_TX0_TX_DRIVER_IFIR_OFFSET))
4471
4472 #define WC_TX_FIR(post, main, pre) \
4473 ((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
4474 (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
4475 (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
4476
elink_update_link_attr(struct elink_params * params,uint32_t link_attr)4477 static void elink_update_link_attr(struct elink_params *params,
4478 uint32_t link_attr)
4479 {
4480 struct bnx2x_softc *sc = params->sc;
4481
4482 if (SHMEM2_HAS(sc, link_attr_sync))
4483 REG_WR(sc, params->shmem2_base +
4484 offsetof(struct shmem2_region,
4485 link_attr_sync[params->port]), link_attr);
4486 }
4487
elink_warpcore_enable_AN_KR2(struct elink_phy * phy,struct elink_params * params,__rte_unused struct elink_vars * vars)4488 static void elink_warpcore_enable_AN_KR2(struct elink_phy *phy,
4489 struct elink_params *params,
4490 __rte_unused struct elink_vars *vars)
4491 {
4492 struct bnx2x_softc *sc = params->sc;
4493 uint16_t i;
4494 static struct elink_reg_set reg_set[] = {
4495 /* Step 1 - Program the TX/RX alignment markers */
4496 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
4497 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
4498 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
4499 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
4500 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
4501 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
4502 /* Step 2 - Configure the NP registers */
4503 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
4504 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
4505 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
4506 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
4507 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
4508 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
4509 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
4510 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
4511 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
4512 };
4513 ELINK_DEBUG_P0(sc, "Enabling 20G-KR2");
4514
4515 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4516 MDIO_WC_REG_CL49_USERB0_CTRL, (3 << 6));
4517
4518 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
4519 elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
4520 reg_set[i].val);
4521
4522 /* Start KR2 work-around timer which handles BNX2X8073 link-partner */
4523 params->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
4524 elink_update_link_attr(params, params->link_attr_sync);
4525 }
4526
elink_disable_kr2(struct elink_params * params,struct elink_vars * vars,struct elink_phy * phy)4527 static void elink_disable_kr2(struct elink_params *params,
4528 struct elink_vars *vars,
4529 struct elink_phy *phy)
4530 {
4531 struct bnx2x_softc *sc = params->sc;
4532 int i;
4533 static struct elink_reg_set reg_set[] = {
4534 /* Step 1 - Program the TX/RX alignment markers */
4535 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
4536 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
4537 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
4538 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
4539 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
4540 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
4541 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
4542 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
4543 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
4544 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
4545 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
4546 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
4547 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
4548 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
4549 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
4550 };
4551 ELINK_DEBUG_P0(sc, "Disabling 20G-KR2");
4552
4553 for (i = 0; i < (int)ARRAY_SIZE(reg_set); i++)
4554 elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
4555 reg_set[i].val);
4556 params->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
4557 elink_update_link_attr(params, params->link_attr_sync);
4558
4559 vars->check_kr2_recovery_cnt = ELINK_CHECK_KR2_RECOVERY_CNT;
4560 }
4561
elink_warpcore_set_lpi_passthrough(struct elink_phy * phy,struct elink_params * params)4562 static void elink_warpcore_set_lpi_passthrough(struct elink_phy *phy,
4563 struct elink_params *params)
4564 {
4565 struct bnx2x_softc *sc = params->sc;
4566
4567 ELINK_DEBUG_P0(sc, "Configure WC for LPI pass through");
4568 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4569 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
4570 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4571 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
4572 }
4573
elink_warpcore_restart_AN_KR(struct elink_phy * phy,struct elink_params * params)4574 static void elink_warpcore_restart_AN_KR(struct elink_phy *phy,
4575 struct elink_params *params)
4576 {
4577 /* Restart autoneg on the leading lane only */
4578 struct bnx2x_softc *sc = params->sc;
4579 uint16_t lane = elink_get_warpcore_lane(phy, params);
4580 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4581 MDIO_AER_BLOCK_AER_REG, lane);
4582 elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
4583 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4584
4585 /* Restore AER */
4586 elink_set_aer_mmd(params, phy);
4587 }
4588
elink_warpcore_enable_AN_KR(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)4589 static void elink_warpcore_enable_AN_KR(struct elink_phy *phy,
4590 struct elink_params *params,
4591 struct elink_vars *vars) {
4592 uint16_t lane, i, cl72_ctrl, an_adv = 0, val;
4593 uint32_t wc_lane_config;
4594 struct bnx2x_softc *sc = params->sc;
4595 static struct elink_reg_set reg_set[] = {
4596 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
4597 {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
4598 {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
4599 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
4600 /* Disable Autoneg: re-enable it after adv is done. */
4601 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
4602 {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
4603 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
4604 };
4605 ELINK_DEBUG_P0(sc, "Enable Auto Negotiation for KR");
4606 /* Set to default registers that may be overridden by 10G force */
4607 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
4608 elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
4609 reg_set[i].val);
4610
4611 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4612 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
4613 cl72_ctrl &= 0x08ff;
4614 cl72_ctrl |= 0x3800;
4615 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4616 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
4617
4618 /* Check adding advertisement for 1G KX */
4619 if (((vars->line_speed == ELINK_SPEED_AUTO_NEG) &&
4620 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
4621 (vars->line_speed == ELINK_SPEED_1000)) {
4622 uint16_t addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
4623 an_adv |= (1 << 5);
4624
4625 /* Enable CL37 1G Parallel Detect */
4626 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, addr, 0x1);
4627 ELINK_DEBUG_P0(sc, "Advertize 1G");
4628 }
4629 if (((vars->line_speed == ELINK_SPEED_AUTO_NEG) &&
4630 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
4631 (vars->line_speed == ELINK_SPEED_10000)) {
4632 /* Check adding advertisement for 10G KR */
4633 an_adv |= (1 << 7);
4634 /* Enable 10G Parallel Detect */
4635 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4636 MDIO_AER_BLOCK_AER_REG, 0);
4637
4638 elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
4639 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
4640 elink_set_aer_mmd(params, phy);
4641 ELINK_DEBUG_P0(sc, "Advertize 10G");
4642 }
4643
4644 /* Set Transmit PMD settings */
4645 lane = elink_get_warpcore_lane(phy, params);
4646 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4647 MDIO_WC_REG_TX0_TX_DRIVER + 0x10 * lane,
4648 WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
4649 /* Configure the next lane if dual mode */
4650 if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
4651 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4652 MDIO_WC_REG_TX0_TX_DRIVER + 0x10 * (lane + 1),
4653 WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
4654 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4655 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
4656 0x03f0);
4657 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4658 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
4659 0x03f0);
4660
4661 /* Advertised speeds */
4662 elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
4663 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
4664
4665 /* Advertised and set FEC (Forward Error Correction) */
4666 elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
4667 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
4668 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
4669 MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
4670
4671 /* Enable CL37 BAM */
4672 if (REG_RD(sc, params->shmem_base +
4673 offsetof(struct shmem_region, dev_info.
4674 port_hw_config[params->port].default_cfg)) &
4675 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
4676 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4677 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
4678 1);
4679 ELINK_DEBUG_P0(sc, "Enable CL37 BAM on KR");
4680 }
4681
4682 /* Advertise pause */
4683 elink_ext_phy_set_pause(params, phy, vars);
4684 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
4685 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4686 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
4687
4688 /* Over 1G - AN local device user page 1 */
4689 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4690 MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
4691
4692 if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
4693 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
4694 (phy->req_line_speed == ELINK_SPEED_20000)) {
4695
4696 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4697 MDIO_AER_BLOCK_AER_REG, lane);
4698
4699 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4700 MDIO_WC_REG_RX1_PCI_CTRL +
4701 (0x10 * lane),
4702 (1 << 11));
4703
4704 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4705 MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
4706 elink_set_aer_mmd(params, phy);
4707
4708 elink_warpcore_enable_AN_KR2(phy, params, vars);
4709 } else {
4710 /* Enable Auto-Detect to support 1G over CL37 as well */
4711 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4712 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
4713 wc_lane_config = REG_RD(sc, params->shmem_base +
4714 offsetof(struct shmem_region, dev_info.
4715 shared_hw_config.wc_lane_config));
4716 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4717 MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4), &val);
4718 /* Force cl48 sync_status LOW to avoid getting stuck in CL73
4719 * parallel-detect loop when CL73 and CL37 are enabled.
4720 */
4721 val |= 1 << 11;
4722
4723 /* Restore Polarity settings in case it was run over by
4724 * previous link owner
4725 */
4726 if (wc_lane_config &
4727 (SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED << lane))
4728 val |= 3 << 2;
4729 else
4730 val &= ~(3 << 2);
4731 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4732 MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4),
4733 val);
4734
4735 elink_disable_kr2(params, vars, phy);
4736 }
4737
4738 /* Enable Autoneg: only on the main lane */
4739 elink_warpcore_restart_AN_KR(phy, params);
4740 }
4741
elink_warpcore_set_10G_KR(struct elink_phy * phy,struct elink_params * params,__rte_unused struct elink_vars * vars)4742 static void elink_warpcore_set_10G_KR(struct elink_phy *phy,
4743 struct elink_params *params,
4744 __rte_unused struct elink_vars *vars)
4745 {
4746 struct bnx2x_softc *sc = params->sc;
4747 uint16_t val16, i, lane;
4748 static struct elink_reg_set reg_set[] = {
4749 /* Disable Autoneg */
4750 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
4751 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
4752 0x3f00},
4753 {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
4754 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
4755 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
4756 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
4757 /* Leave cl72 training enable, needed for KR */
4758 {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
4759 };
4760
4761 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
4762 elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
4763 reg_set[i].val);
4764
4765 lane = elink_get_warpcore_lane(phy, params);
4766 /* Global registers */
4767 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4768 MDIO_AER_BLOCK_AER_REG, 0);
4769 /* Disable CL36 PCS Tx */
4770 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4771 MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
4772 val16 &= ~(0x0011 << lane);
4773 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4774 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
4775
4776 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4777 MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
4778 val16 |= (0x0303 << (lane << 1));
4779 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4780 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
4781 /* Restore AER */
4782 elink_set_aer_mmd(params, phy);
4783 /* Set speed via PMA/PMD register */
4784 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD,
4785 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
4786
4787 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD,
4788 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
4789
4790 /* Enable encoded forced speed */
4791 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4792 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
4793
4794 /* Turn TX scramble payload only the 64/66 scrambler */
4795 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4796 MDIO_WC_REG_TX66_CONTROL, 0x9);
4797
4798 /* Turn RX scramble payload only the 64/66 scrambler */
4799 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4800 MDIO_WC_REG_RX66_CONTROL, 0xF9);
4801
4802 /* Set and clear loopback to cause a reset to 64/66 decoder */
4803 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4804 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
4805 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4806 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
4807
4808 }
4809
elink_warpcore_set_10G_XFI(struct elink_phy * phy,struct elink_params * params,uint8_t is_xfi)4810 static void elink_warpcore_set_10G_XFI(struct elink_phy *phy,
4811 struct elink_params *params,
4812 uint8_t is_xfi)
4813 {
4814 struct bnx2x_softc *sc = params->sc;
4815 uint16_t misc1_val, tap_val, tx_driver_val, lane, val;
4816 uint32_t cfg_tap_val, tx_drv_brdct, tx_equal;
4817 uint32_t ifir_val, ipost2_val, ipre_driver_val;
4818 /* Hold rxSeqStart */
4819 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4820 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
4821
4822 /* Hold tx_fifo_reset */
4823 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4824 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
4825
4826 /* Disable CL73 AN */
4827 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
4828
4829 /* Disable 100FX Enable and Auto-Detect */
4830 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
4831 MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
4832
4833 /* Disable 100FX Idle detect */
4834 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4835 MDIO_WC_REG_FX100_CTRL3, 0x0080);
4836
4837 /* Set Block address to Remote PHY & Clear forced_speed[5] */
4838 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
4839 MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
4840
4841 /* Turn off auto-detect & fiber mode */
4842 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
4843 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4844 0xFFEE);
4845
4846 /* Set filter_force_link, disable_false_link and parallel_detect */
4847 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4848 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
4849 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4850 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4851 ((val | 0x0006) & 0xFFFE));
4852
4853 /* Set XFI / SFI */
4854 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4855 MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
4856
4857 misc1_val &= ~(0x1f);
4858
4859 if (is_xfi) {
4860 misc1_val |= 0x5;
4861 tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
4862 tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03, 0);
4863 } else {
4864 cfg_tap_val = REG_RD(sc, params->shmem_base +
4865 offsetof(struct shmem_region, dev_info.
4866 port_hw_config[params->port].
4867 sfi_tap_values));
4868
4869 tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
4870
4871 misc1_val |= 0x9;
4872
4873 /* TAP values are controlled by nvram, if value there isn't 0 */
4874 if (tx_equal)
4875 tap_val = (uint16_t)tx_equal;
4876 else
4877 tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
4878
4879 ifir_val = DEFAULT_TX_DRV_IFIR;
4880 ipost2_val = DEFAULT_TX_DRV_POST2;
4881 ipre_driver_val = DEFAULT_TX_DRV_IPRE_DRIVER;
4882 tx_drv_brdct = DEFAULT_TX_DRV_BRDCT;
4883
4884 /* If any of the IFIR/IPRE_DRIVER/POST@ is set, apply all
4885 * configuration.
4886 */
4887 if (cfg_tap_val & (PORT_HW_CFG_TX_DRV_IFIR_MASK |
4888 PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK |
4889 PORT_HW_CFG_TX_DRV_POST2_MASK)) {
4890 ifir_val = (cfg_tap_val &
4891 PORT_HW_CFG_TX_DRV_IFIR_MASK) >>
4892 PORT_HW_CFG_TX_DRV_IFIR_SHIFT;
4893 ipre_driver_val = (cfg_tap_val &
4894 PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK)
4895 >> PORT_HW_CFG_TX_DRV_IPREDRIVER_SHIFT;
4896 ipost2_val = (cfg_tap_val &
4897 PORT_HW_CFG_TX_DRV_POST2_MASK) >>
4898 PORT_HW_CFG_TX_DRV_POST2_SHIFT;
4899 }
4900
4901 if (cfg_tap_val & PORT_HW_CFG_TX_DRV_BROADCAST_MASK) {
4902 tx_drv_brdct = (cfg_tap_val &
4903 PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
4904 PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
4905 }
4906
4907 tx_driver_val = WC_TX_DRIVER(ipost2_val, tx_drv_brdct,
4908 ipre_driver_val, ifir_val);
4909 }
4910 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4911 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
4912
4913 /* Set Transmit PMD settings */
4914 lane = elink_get_warpcore_lane(phy, params);
4915 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4916 MDIO_WC_REG_TX_FIR_TAP,
4917 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
4918 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4919 MDIO_WC_REG_TX0_TX_DRIVER + 0x10 * lane,
4920 tx_driver_val);
4921
4922 /* Enable fiber mode, enable and invert sig_det */
4923 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4924 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
4925
4926 /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
4927 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4928 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
4929
4930 elink_warpcore_set_lpi_passthrough(phy, params);
4931
4932 /* 10G XFI Full Duplex */
4933 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4934 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
4935
4936 /* Release tx_fifo_reset */
4937 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
4938 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4939 0xFFFE);
4940 /* Release rxSeqStart */
4941 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
4942 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
4943 }
4944
elink_warpcore_set_20G_force_KR2(struct elink_phy * phy,struct elink_params * params)4945 static void elink_warpcore_set_20G_force_KR2(struct elink_phy *phy,
4946 struct elink_params *params)
4947 {
4948 uint16_t val;
4949 struct bnx2x_softc *sc = params->sc;
4950 /* Set global registers, so set AER lane to 0 */
4951 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4952 MDIO_AER_BLOCK_AER_REG, 0);
4953
4954 /* Disable sequencer */
4955 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
4956 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1 << 13));
4957
4958 elink_set_aer_mmd(params, phy);
4959
4960 elink_cl45_read_and_write(sc, phy, MDIO_PMA_DEVAD,
4961 MDIO_WC_REG_PMD_KR_CONTROL, ~(1 << 1));
4962 elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
4963 MDIO_AN_REG_CTRL, 0);
4964 /* Turn off CL73 */
4965 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4966 MDIO_WC_REG_CL73_USERB0_CTRL, &val);
4967 val &= ~(1 << 5);
4968 val |= (1 << 6);
4969 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4970 MDIO_WC_REG_CL73_USERB0_CTRL, val);
4971
4972 /* Set 20G KR2 force speed */
4973 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4974 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
4975
4976 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4977 MDIO_WC_REG_DIGITAL4_MISC3, (1 << 7));
4978
4979 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4980 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
4981 val &= ~(3 << 14);
4982 val |= (1 << 15);
4983 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4984 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
4985 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4986 MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
4987
4988 /* Enable sequencer (over lane 0) */
4989 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4990 MDIO_AER_BLOCK_AER_REG, 0);
4991
4992 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4993 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1 << 13));
4994
4995 elink_set_aer_mmd(params, phy);
4996 }
4997
elink_warpcore_set_20G_DXGXS(struct bnx2x_softc * sc,struct elink_phy * phy,uint16_t lane)4998 static void elink_warpcore_set_20G_DXGXS(struct bnx2x_softc *sc,
4999 struct elink_phy *phy,
5000 uint16_t lane)
5001 {
5002 /* Rx0 anaRxControl1G */
5003 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5004 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
5005
5006 /* Rx2 anaRxControl1G */
5007 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5008 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
5009
5010 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5011 MDIO_WC_REG_RX66_SCW0, 0xE070);
5012
5013 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5014 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
5015
5016 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5017 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
5018
5019 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5020 MDIO_WC_REG_RX66_SCW3, 0x8090);
5021
5022 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5023 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
5024
5025 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5026 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
5027
5028 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5029 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
5030
5031 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5032 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
5033
5034 /* Serdes Digital Misc1 */
5035 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5036 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
5037
5038 /* Serdes Digital4 Misc3 */
5039 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5040 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
5041
5042 /* Set Transmit PMD settings */
5043 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5044 MDIO_WC_REG_TX_FIR_TAP,
5045 (WC_TX_FIR(0x12, 0x2d, 0x00) |
5046 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
5047 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5048 MDIO_WC_REG_TX0_TX_DRIVER + 0x10 * lane,
5049 WC_TX_DRIVER(0x02, 0x02, 0x02, 0));
5050 }
5051
elink_warpcore_set_sgmii_speed(struct elink_phy * phy,struct elink_params * params,uint8_t fiber_mode,uint8_t always_autoneg)5052 static void elink_warpcore_set_sgmii_speed(struct elink_phy *phy,
5053 struct elink_params *params,
5054 uint8_t fiber_mode,
5055 uint8_t always_autoneg)
5056 {
5057 struct bnx2x_softc *sc = params->sc;
5058 uint16_t val16, digctrl_kx1, digctrl_kx2;
5059
5060 /* Clear XFI clock comp in non-10G single lane mode. */
5061 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
5062 MDIO_WC_REG_RX66_CONTROL, ~(3 << 13));
5063
5064 elink_warpcore_set_lpi_passthrough(phy, params);
5065
5066 if (always_autoneg || phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
5067 /* SGMII Autoneg */
5068 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
5069 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
5070 0x1000);
5071 ELINK_DEBUG_P0(sc, "set SGMII AUTONEG");
5072 } else {
5073 /* Note that 2.5G works only when used with 1G advertisement */
5074 if (fiber_mode && phy->req_line_speed == SPEED_2500 &&
5075 (phy->speed_cap_mask &
5076 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
5077 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))) {
5078 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5079 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6010);
5080 }
5081
5082 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5083 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
5084 val16 &= 0xcebf;
5085 switch (phy->req_line_speed) {
5086 case ELINK_SPEED_10:
5087 break;
5088 case ELINK_SPEED_100:
5089 val16 |= 0x2000;
5090 break;
5091 case ELINK_SPEED_1000:
5092 case ELINK_SPEED_2500:
5093 val16 |= 0x0040;
5094 break;
5095 default:
5096 ELINK_DEBUG_P1(sc,
5097 "Speed not supported: 0x%x", phy->req_line_speed);
5098 return;
5099 }
5100
5101 if (phy->req_duplex == DUPLEX_FULL)
5102 val16 |= 0x0100;
5103
5104 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5105 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
5106
5107 ELINK_DEBUG_P1(sc, "set SGMII force speed %d",
5108 phy->req_line_speed);
5109 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5110 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
5111 ELINK_DEBUG_P1(sc, " (readback) %x", val16);
5112 }
5113
5114 /* SGMII Slave mode and disable signal detect */
5115 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5116 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
5117 if (fiber_mode)
5118 digctrl_kx1 = 1;
5119 else
5120 digctrl_kx1 &= 0xff4a;
5121
5122 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5123 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
5124 digctrl_kx1);
5125
5126 /* Turn off parallel detect */
5127 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5128 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
5129 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5130 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
5131 (digctrl_kx2 & ~(1 << 2)));
5132
5133 /* Re-enable parallel detect */
5134 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5135 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
5136 (digctrl_kx2 | (1 << 2)));
5137
5138 /* Enable autodet */
5139 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5140 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
5141 (digctrl_kx1 | 0x10));
5142 }
5143
5144
elink_warpcore_reset_lane(struct bnx2x_softc * sc,struct elink_phy * phy,uint8_t reset)5145 static void elink_warpcore_reset_lane(struct bnx2x_softc *sc,
5146 struct elink_phy *phy,
5147 uint8_t reset)
5148 {
5149 uint16_t val;
5150 /* Take lane out of reset after configuration is finished */
5151 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5152 MDIO_WC_REG_DIGITAL5_MISC6, &val);
5153 if (reset)
5154 val |= 0xC000;
5155 else
5156 val &= 0x3FFF;
5157 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5158 MDIO_WC_REG_DIGITAL5_MISC6, val);
5159 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5160 MDIO_WC_REG_DIGITAL5_MISC6, &val);
5161 }
5162
5163 /* Clear SFI/XFI link settings registers */
elink_warpcore_clear_regs(struct elink_phy * phy,struct elink_params * params,uint16_t lane)5164 static void elink_warpcore_clear_regs(struct elink_phy *phy,
5165 struct elink_params *params,
5166 uint16_t lane)
5167 {
5168 struct bnx2x_softc *sc = params->sc;
5169 uint16_t i;
5170 static struct elink_reg_set wc_regs[] = {
5171 {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
5172 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
5173 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
5174 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
5175 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
5176 0x0195},
5177 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
5178 0x0007},
5179 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
5180 0x0002},
5181 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
5182 {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
5183 {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
5184 {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
5185 };
5186 /* Set XFI clock comp as default. */
5187 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
5188 MDIO_WC_REG_RX66_CONTROL, (3 << 13));
5189
5190 for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
5191 elink_cl45_write(sc, phy, wc_regs[i].devad, wc_regs[i].reg,
5192 wc_regs[i].val);
5193
5194 lane = elink_get_warpcore_lane(phy, params);
5195 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5196 MDIO_WC_REG_TX0_TX_DRIVER + 0x10 * lane, 0x0990);
5197
5198 }
5199
elink_get_mod_abs_int_cfg(struct bnx2x_softc * sc,__rte_unused uint32_t chip_id,uint32_t shmem_base,uint8_t port,uint8_t * gpio_num,uint8_t * gpio_port)5200 static elink_status_t elink_get_mod_abs_int_cfg(struct bnx2x_softc *sc,
5201 __rte_unused uint32_t chip_id,
5202 uint32_t shmem_base,
5203 uint8_t port,
5204 uint8_t *gpio_num,
5205 uint8_t *gpio_port)
5206 {
5207 uint32_t cfg_pin;
5208 *gpio_num = 0;
5209 *gpio_port = 0;
5210 if (CHIP_IS_E3(sc)) {
5211 cfg_pin = (REG_RD(sc, shmem_base +
5212 offsetof(struct shmem_region,
5213 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
5214 PORT_HW_CFG_E3_MOD_ABS_MASK) >>
5215 PORT_HW_CFG_E3_MOD_ABS_SHIFT;
5216
5217 /*
5218 * This should not happen since this function is called
5219 * from interrupt triggered by GPIO (since EPIO can only
5220 * generate interrupts to MCP).
5221 * So if this function was called and none of the GPIOs was set,
5222 * it means something disastrous has already happened.
5223 */
5224 if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
5225 (cfg_pin > PIN_CFG_GPIO3_P1)) {
5226 ELINK_DEBUG_P1(sc,
5227 "No cfg pin %x for module detect indication",
5228 cfg_pin);
5229 return ELINK_STATUS_ERROR;
5230 }
5231
5232 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
5233 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
5234 } else {
5235 *gpio_num = MISC_REGISTERS_GPIO_3;
5236 *gpio_port = port;
5237 }
5238
5239 return ELINK_STATUS_OK;
5240 }
5241
elink_is_sfp_module_plugged(__rte_unused struct elink_phy * phy,struct elink_params * params)5242 static int elink_is_sfp_module_plugged(__rte_unused struct elink_phy *phy,
5243 struct elink_params *params)
5244 {
5245 struct bnx2x_softc *sc = params->sc;
5246 uint8_t gpio_num, gpio_port;
5247 uint32_t gpio_val;
5248 if (elink_get_mod_abs_int_cfg(sc, params->chip_id,
5249 params->shmem_base, params->port,
5250 &gpio_num, &gpio_port) != ELINK_STATUS_OK)
5251 return 0;
5252 gpio_val = elink_cb_gpio_read(sc, gpio_num, gpio_port);
5253
5254 /* Call the handling function in case module is detected */
5255 if (gpio_val == 0)
5256 return 1;
5257 else
5258 return 0;
5259 }
elink_warpcore_get_sigdet(struct elink_phy * phy,struct elink_params * params)5260 static int elink_warpcore_get_sigdet(struct elink_phy *phy,
5261 struct elink_params *params)
5262 {
5263 uint16_t gp2_status_reg0, lane;
5264 struct bnx2x_softc *sc = params->sc;
5265
5266 lane = elink_get_warpcore_lane(phy, params);
5267
5268 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
5269 &gp2_status_reg0);
5270
5271 return (gp2_status_reg0 >> (8 + lane)) & 0x1;
5272 }
5273
elink_warpcore_config_runtime(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)5274 static void elink_warpcore_config_runtime(struct elink_phy *phy,
5275 struct elink_params *params,
5276 struct elink_vars *vars)
5277 {
5278 struct bnx2x_softc *sc = params->sc;
5279 uint32_t serdes_net_if;
5280 uint16_t gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
5281
5282 vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
5283
5284 if (!vars->turn_to_run_wc_rt)
5285 return;
5286
5287 if (vars->rx_tx_asic_rst) {
5288 uint16_t lane = elink_get_warpcore_lane(phy, params);
5289 serdes_net_if = (REG_RD(sc, params->shmem_base +
5290 offsetof(struct shmem_region, dev_info.
5291 port_hw_config[params->port].default_cfg)) &
5292 PORT_HW_CFG_NET_SERDES_IF_MASK);
5293
5294 switch (serdes_net_if) {
5295 case PORT_HW_CFG_NET_SERDES_IF_KR:
5296 /* Do we get link yet? */
5297 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 0x81d1,
5298 &gp_status1);
5299 lnkup = (gp_status1 >> (8 + lane)) & 0x1;/* 1G */
5300 /*10G KR*/
5301 lnkup_kr = (gp_status1 >> (12 + lane)) & 0x1;
5302
5303 if (lnkup_kr || lnkup) {
5304 vars->rx_tx_asic_rst = 0;
5305 } else {
5306 /* Reset the lane to see if link comes up.*/
5307 elink_warpcore_reset_lane(sc, phy, 1);
5308 elink_warpcore_reset_lane(sc, phy, 0);
5309
5310 /* Restart Autoneg */
5311 elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
5312 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
5313
5314 vars->rx_tx_asic_rst--;
5315 ELINK_DEBUG_P1(sc, "0x%x retry left",
5316 vars->rx_tx_asic_rst);
5317 }
5318 break;
5319
5320 default:
5321 break;
5322 }
5323
5324 } /*params->rx_tx_asic_rst*/
5325 }
5326
elink_warpcore_config_sfi(struct elink_phy * phy,struct elink_params * params)5327 static void elink_warpcore_config_sfi(struct elink_phy *phy,
5328 struct elink_params *params)
5329 {
5330 uint16_t lane = elink_get_warpcore_lane(phy, params);
5331 struct bnx2x_softc *sc = params->sc;
5332 elink_warpcore_clear_regs(phy, params, lane);
5333 if ((params->req_line_speed[ELINK_LINK_CONFIG_IDX(ELINK_INT_PHY)] ==
5334 ELINK_SPEED_10000) &&
5335 (phy->media_type != ELINK_ETH_PHY_SFP_1G_FIBER)) {
5336 ELINK_DEBUG_P0(sc, "Setting 10G SFI");
5337 elink_warpcore_set_10G_XFI(phy, params, 0);
5338 } else {
5339 ELINK_DEBUG_P0(sc, "Setting 1G Fiber");
5340 elink_warpcore_set_sgmii_speed(phy, params, 1, 0);
5341 }
5342 }
5343
elink_sfp_e3_set_transmitter(struct elink_params * params,struct elink_phy * phy,uint8_t tx_en)5344 static void elink_sfp_e3_set_transmitter(struct elink_params *params,
5345 struct elink_phy *phy,
5346 uint8_t tx_en)
5347 {
5348 struct bnx2x_softc *sc = params->sc;
5349 uint32_t cfg_pin;
5350 uint8_t port = params->port;
5351
5352 cfg_pin = REG_RD(sc, params->shmem_base +
5353 offsetof(struct shmem_region,
5354 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
5355 PORT_HW_CFG_E3_TX_LASER_MASK;
5356 /* Set the !tx_en since this pin is DISABLE_TX_LASER */
5357 ELINK_DEBUG_P1(sc, "Setting WC TX to %d", tx_en);
5358
5359 /* For 20G, the expected pin to be used is 3 pins after the current */
5360 elink_set_cfg_pin(sc, cfg_pin, tx_en ^ 1);
5361 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
5362 elink_set_cfg_pin(sc, cfg_pin + 3, tx_en ^ 1);
5363 }
5364
elink_warpcore_config_init(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)5365 static uint8_t elink_warpcore_config_init(struct elink_phy *phy,
5366 struct elink_params *params,
5367 struct elink_vars *vars)
5368 {
5369 struct bnx2x_softc *sc = params->sc;
5370 uint32_t serdes_net_if;
5371 uint8_t fiber_mode;
5372 uint16_t lane = elink_get_warpcore_lane(phy, params);
5373 serdes_net_if = (REG_RD(sc, params->shmem_base +
5374 offsetof(struct shmem_region, dev_info.
5375 port_hw_config[params->port].default_cfg)) &
5376 PORT_HW_CFG_NET_SERDES_IF_MASK);
5377 ELINK_DEBUG_P2(sc, "Begin Warpcore init, link_speed %d, "
5378 "serdes_net_if = 0x%x",
5379 vars->line_speed, serdes_net_if);
5380 elink_set_aer_mmd(params, phy);
5381 elink_warpcore_reset_lane(sc, phy, 1);
5382 vars->phy_flags |= PHY_XGXS_FLAG;
5383 if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
5384 (phy->req_line_speed &&
5385 ((phy->req_line_speed == ELINK_SPEED_100) ||
5386 (phy->req_line_speed == ELINK_SPEED_10)))) {
5387 vars->phy_flags |= PHY_SGMII_FLAG;
5388 ELINK_DEBUG_P0(sc, "Setting SGMII mode");
5389 elink_warpcore_clear_regs(phy, params, lane);
5390 elink_warpcore_set_sgmii_speed(phy, params, 0, 1);
5391 } else {
5392 switch (serdes_net_if) {
5393 case PORT_HW_CFG_NET_SERDES_IF_KR:
5394 /* Enable KR Auto Neg */
5395 if (params->loopback_mode != ELINK_LOOPBACK_EXT)
5396 elink_warpcore_enable_AN_KR(phy, params, vars);
5397 else {
5398 ELINK_DEBUG_P0(sc, "Setting KR 10G-Force");
5399 elink_warpcore_set_10G_KR(phy, params, vars);
5400 }
5401 break;
5402
5403 case PORT_HW_CFG_NET_SERDES_IF_XFI:
5404 elink_warpcore_clear_regs(phy, params, lane);
5405 if (vars->line_speed == ELINK_SPEED_10000) {
5406 ELINK_DEBUG_P0(sc, "Setting 10G XFI");
5407 elink_warpcore_set_10G_XFI(phy, params, 1);
5408 } else {
5409 if (ELINK_SINGLE_MEDIA_DIRECT(params)) {
5410 ELINK_DEBUG_P0(sc, "1G Fiber");
5411 fiber_mode = 1;
5412 } else {
5413 ELINK_DEBUG_P0(sc, "10/100/1G SGMII");
5414 fiber_mode = 0;
5415 }
5416 elink_warpcore_set_sgmii_speed(phy,
5417 params,
5418 fiber_mode,
5419 0);
5420 }
5421
5422 break;
5423
5424 case PORT_HW_CFG_NET_SERDES_IF_SFI:
5425 /* Issue Module detection if module is plugged, or
5426 * enabled transmitter to avoid current leakage in case
5427 * no module is connected
5428 */
5429 if ((params->loopback_mode == ELINK_LOOPBACK_NONE) ||
5430 (params->loopback_mode == ELINK_LOOPBACK_EXT)) {
5431 if (elink_is_sfp_module_plugged(phy, params))
5432 elink_sfp_module_detection(phy, params);
5433 else
5434 elink_sfp_e3_set_transmitter(params,
5435 phy, 1);
5436 }
5437
5438 elink_warpcore_config_sfi(phy, params);
5439 break;
5440
5441 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
5442 if (vars->line_speed != ELINK_SPEED_20000) {
5443 ELINK_DEBUG_P0(sc, "Speed not supported yet");
5444 return 0;
5445 }
5446 ELINK_DEBUG_P0(sc, "Setting 20G DXGXS");
5447 elink_warpcore_set_20G_DXGXS(sc, phy, lane);
5448 /* Issue Module detection */
5449
5450 elink_sfp_module_detection(phy, params);
5451 break;
5452 case PORT_HW_CFG_NET_SERDES_IF_KR2:
5453 if (!params->loopback_mode) {
5454 elink_warpcore_enable_AN_KR(phy, params, vars);
5455 } else {
5456 ELINK_DEBUG_P0(sc, "Setting KR 20G-Force");
5457 elink_warpcore_set_20G_force_KR2(phy, params);
5458 }
5459 break;
5460 default:
5461 ELINK_DEBUG_P1(sc,
5462 "Unsupported Serdes Net Interface 0x%x",
5463 serdes_net_if);
5464 return 0;
5465 }
5466 }
5467
5468 /* Take lane out of reset after configuration is finished */
5469 elink_warpcore_reset_lane(sc, phy, 0);
5470 ELINK_DEBUG_P0(sc, "Exit config init");
5471
5472 return 0;
5473 }
5474
elink_warpcore_link_reset(struct elink_phy * phy,struct elink_params * params)5475 static void elink_warpcore_link_reset(struct elink_phy *phy,
5476 struct elink_params *params)
5477 {
5478 struct bnx2x_softc *sc = params->sc;
5479 uint16_t val16, lane;
5480 elink_sfp_e3_set_transmitter(params, phy, 0);
5481 elink_set_mdio_emac_per_phy(sc, params);
5482 elink_set_aer_mmd(params, phy);
5483 /* Global register */
5484 elink_warpcore_reset_lane(sc, phy, 1);
5485
5486 /* Clear loopback settings (if any) */
5487 /* 10G & 20G */
5488 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
5489 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
5490
5491 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
5492 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
5493
5494 /* Update those 1-copy registers */
5495 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
5496 MDIO_AER_BLOCK_AER_REG, 0);
5497 /* Enable 1G MDIO (1-copy) */
5498 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
5499 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
5500 ~0x10);
5501
5502 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
5503 MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
5504 lane = elink_get_warpcore_lane(phy, params);
5505 /* Disable CL36 PCS Tx */
5506 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5507 MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
5508 val16 |= (0x11 << lane);
5509 if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
5510 val16 |= (0x22 << lane);
5511 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5512 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
5513
5514 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5515 MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
5516 val16 &= ~(0x0303 << (lane << 1));
5517 val16 |= (0x0101 << (lane << 1));
5518 if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE) {
5519 val16 &= ~(0x0c0c << (lane << 1));
5520 val16 |= (0x0404 << (lane << 1));
5521 }
5522
5523 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5524 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
5525 /* Restore AER */
5526 elink_set_aer_mmd(params, phy);
5527
5528 }
5529
elink_set_warpcore_loopback(struct elink_phy * phy,struct elink_params * params)5530 static void elink_set_warpcore_loopback(struct elink_phy *phy,
5531 struct elink_params *params)
5532 {
5533 struct bnx2x_softc *sc = params->sc;
5534 uint16_t val16;
5535 uint32_t lane;
5536 ELINK_DEBUG_P2(sc, "Setting Warpcore loopback type %x, speed %d",
5537 params->loopback_mode, phy->req_line_speed);
5538
5539 if (phy->req_line_speed < ELINK_SPEED_10000 ||
5540 phy->supported & ELINK_SUPPORTED_20000baseKR2_Full) {
5541 /* 10/100/1000/20G-KR2 */
5542
5543 /* Update those 1-copy registers */
5544 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
5545 MDIO_AER_BLOCK_AER_REG, 0);
5546 /* Enable 1G MDIO (1-copy) */
5547 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
5548 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
5549 0x10);
5550 /* Set 1G loopback based on lane (1-copy) */
5551 lane = elink_get_warpcore_lane(phy, params);
5552 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5553 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
5554 val16 |= (1 << lane);
5555 if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
5556 val16 |= (2 << lane);
5557 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5558 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
5559 val16);
5560
5561 /* Switch back to 4-copy registers */
5562 elink_set_aer_mmd(params, phy);
5563 } else {
5564 /* 10G / 20G-DXGXS */
5565 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
5566 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
5567 0x4000);
5568 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
5569 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
5570 }
5571 }
5572
5573
5574
elink_sync_link(struct elink_params * params,struct elink_vars * vars)5575 static void elink_sync_link(struct elink_params *params,
5576 struct elink_vars *vars)
5577 {
5578 struct bnx2x_softc *sc = params->sc;
5579 uint8_t link_10g_plus;
5580 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
5581 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
5582 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
5583 if (vars->link_up) {
5584 ELINK_DEBUG_P0(sc, "phy link up");
5585 ELINK_DEBUG_P1(sc, "link status = %x", vars->link_status);
5586
5587 vars->phy_link_up = 1;
5588 vars->duplex = DUPLEX_FULL;
5589 switch (vars->link_status &
5590 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
5591 case ELINK_LINK_10THD:
5592 vars->duplex = DUPLEX_HALF;
5593 /* Fall thru */
5594 case ELINK_LINK_10TFD:
5595 vars->line_speed = ELINK_SPEED_10;
5596 break;
5597
5598 case ELINK_LINK_100TXHD:
5599 vars->duplex = DUPLEX_HALF;
5600 /* Fall thru */
5601 case ELINK_LINK_100T4:
5602 case ELINK_LINK_100TXFD:
5603 vars->line_speed = ELINK_SPEED_100;
5604 break;
5605
5606 case ELINK_LINK_1000THD:
5607 vars->duplex = DUPLEX_HALF;
5608 /* Fall thru */
5609 case ELINK_LINK_1000TFD:
5610 vars->line_speed = ELINK_SPEED_1000;
5611 break;
5612
5613 case ELINK_LINK_2500THD:
5614 vars->duplex = DUPLEX_HALF;
5615 /* Fall thru */
5616 case ELINK_LINK_2500TFD:
5617 vars->line_speed = ELINK_SPEED_2500;
5618 break;
5619
5620 case ELINK_LINK_10GTFD:
5621 vars->line_speed = ELINK_SPEED_10000;
5622 break;
5623 case ELINK_LINK_20GTFD:
5624 vars->line_speed = ELINK_SPEED_20000;
5625 break;
5626 default:
5627 break;
5628 }
5629 vars->flow_ctrl = 0;
5630 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
5631 vars->flow_ctrl |= ELINK_FLOW_CTRL_TX;
5632
5633 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
5634 vars->flow_ctrl |= ELINK_FLOW_CTRL_RX;
5635
5636 if (!vars->flow_ctrl)
5637 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
5638
5639 if (vars->line_speed &&
5640 ((vars->line_speed == ELINK_SPEED_10) ||
5641 (vars->line_speed == ELINK_SPEED_100))) {
5642 vars->phy_flags |= PHY_SGMII_FLAG;
5643 } else {
5644 vars->phy_flags &= ~PHY_SGMII_FLAG;
5645 }
5646 if (vars->line_speed &&
5647 USES_WARPCORE(sc) &&
5648 (vars->line_speed == ELINK_SPEED_1000))
5649 vars->phy_flags |= PHY_SGMII_FLAG;
5650 /* Anything 10 and over uses the bmac */
5651 link_10g_plus = (vars->line_speed >= ELINK_SPEED_10000);
5652
5653 if (link_10g_plus) {
5654 if (USES_WARPCORE(sc))
5655 vars->mac_type = ELINK_MAC_TYPE_XMAC;
5656 else
5657 vars->mac_type = ELINK_MAC_TYPE_BMAC;
5658 } else {
5659 if (USES_WARPCORE(sc))
5660 vars->mac_type = ELINK_MAC_TYPE_UMAC;
5661 else
5662 vars->mac_type = ELINK_MAC_TYPE_EMAC;
5663 }
5664 } else { /* Link down */
5665 ELINK_DEBUG_P0(sc, "phy link down");
5666
5667 vars->phy_link_up = 0;
5668
5669 vars->line_speed = 0;
5670 vars->duplex = DUPLEX_FULL;
5671 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
5672
5673 /* Indicate no mac active */
5674 vars->mac_type = ELINK_MAC_TYPE_NONE;
5675 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
5676 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
5677 if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
5678 vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
5679 }
5680 }
5681
elink_link_status_update(struct elink_params * params,struct elink_vars * vars)5682 void elink_link_status_update(struct elink_params *params,
5683 struct elink_vars *vars)
5684 {
5685 struct bnx2x_softc *sc = params->sc;
5686 uint8_t port = params->port;
5687 uint32_t sync_offset, media_types;
5688 /* Update PHY configuration */
5689 set_phy_vars(params, vars);
5690
5691 vars->link_status = REG_RD(sc, params->shmem_base +
5692 offsetof(struct shmem_region,
5693 port_mb[port].link_status));
5694
5695 /* Force link UP in non LOOPBACK_EXT loopback mode(s) */
5696 if (params->loopback_mode != ELINK_LOOPBACK_NONE &&
5697 params->loopback_mode != ELINK_LOOPBACK_EXT)
5698 vars->link_status |= LINK_STATUS_LINK_UP;
5699
5700 if (elink_eee_has_cap(params))
5701 vars->eee_status = REG_RD(sc, params->shmem2_base +
5702 offsetof(struct shmem2_region,
5703 eee_status[params->port]));
5704
5705 vars->phy_flags = PHY_XGXS_FLAG;
5706 elink_sync_link(params, vars);
5707 /* Sync media type */
5708 sync_offset = params->shmem_base +
5709 offsetof(struct shmem_region,
5710 dev_info.port_hw_config[port].media_type);
5711 media_types = REG_RD(sc, sync_offset);
5712
5713 params->phy[ELINK_INT_PHY].media_type =
5714 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
5715 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
5716 params->phy[ELINK_EXT_PHY1].media_type =
5717 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
5718 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
5719 params->phy[ELINK_EXT_PHY2].media_type =
5720 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
5721 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
5722 ELINK_DEBUG_P1(sc, "media_types = 0x%x", media_types);
5723
5724 /* Sync AEU offset */
5725 sync_offset = params->shmem_base +
5726 offsetof(struct shmem_region,
5727 dev_info.port_hw_config[port].aeu_int_mask);
5728
5729 vars->aeu_int_mask = REG_RD(sc, sync_offset);
5730
5731 /* Sync PFC status */
5732 if (vars->link_status & LINK_STATUS_PFC_ENABLED)
5733 params->feature_config_flags |=
5734 ELINK_FEATURE_CONFIG_PFC_ENABLED;
5735 else
5736 params->feature_config_flags &=
5737 ~ELINK_FEATURE_CONFIG_PFC_ENABLED;
5738
5739 if (SHMEM2_HAS(sc, link_attr_sync))
5740 params->link_attr_sync = SHMEM2_RD(sc,
5741 link_attr_sync[params->port]);
5742
5743 ELINK_DEBUG_P3(sc, "link_status 0x%x phy_link_up %x int_mask 0x%x",
5744 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
5745 ELINK_DEBUG_P3(sc, "line_speed %x duplex %x flow_ctrl 0x%x",
5746 vars->line_speed, vars->duplex, vars->flow_ctrl);
5747 }
5748
elink_set_master_ln(struct elink_params * params,struct elink_phy * phy)5749 static void elink_set_master_ln(struct elink_params *params,
5750 struct elink_phy *phy)
5751 {
5752 struct bnx2x_softc *sc = params->sc;
5753 uint16_t new_master_ln, ser_lane;
5754 ser_lane = ((params->lane_config &
5755 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
5756 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
5757
5758 /* Set the master_ln for AN */
5759 CL22_RD_OVER_CL45(sc, phy,
5760 MDIO_REG_BANK_XGXS_BLOCK2,
5761 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
5762 &new_master_ln);
5763
5764 CL22_WR_OVER_CL45(sc, phy,
5765 MDIO_REG_BANK_XGXS_BLOCK2,
5766 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
5767 (new_master_ln | ser_lane));
5768 }
5769
elink_reset_unicore(struct elink_params * params,struct elink_phy * phy,uint8_t set_serdes)5770 static elink_status_t elink_reset_unicore(struct elink_params *params,
5771 struct elink_phy *phy,
5772 uint8_t set_serdes)
5773 {
5774 struct bnx2x_softc *sc = params->sc;
5775 uint16_t mii_control;
5776 uint16_t i;
5777 CL22_RD_OVER_CL45(sc, phy,
5778 MDIO_REG_BANK_COMBO_IEEE0,
5779 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
5780
5781 /* Reset the unicore */
5782 CL22_WR_OVER_CL45(sc, phy,
5783 MDIO_REG_BANK_COMBO_IEEE0,
5784 MDIO_COMBO_IEEE0_MII_CONTROL,
5785 (mii_control |
5786 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
5787 if (set_serdes)
5788 elink_set_serdes_access(sc, params->port);
5789
5790 /* Wait for the reset to self clear */
5791 for (i = 0; i < ELINK_MDIO_ACCESS_TIMEOUT; i++) {
5792 DELAY(5);
5793
5794 /* The reset erased the previous bank value */
5795 CL22_RD_OVER_CL45(sc, phy,
5796 MDIO_REG_BANK_COMBO_IEEE0,
5797 MDIO_COMBO_IEEE0_MII_CONTROL,
5798 &mii_control);
5799
5800 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
5801 DELAY(5);
5802 return ELINK_STATUS_OK;
5803 }
5804 }
5805
5806 elink_cb_event_log(sc, ELINK_LOG_ID_PHY_UNINITIALIZED, params->port);
5807 /* "Warning: PHY was not initialized,"
5808 * " Port %d",
5809 */
5810
5811 ELINK_DEBUG_P0(sc, "BUG! XGXS is still in reset!");
5812 return ELINK_STATUS_ERROR;
5813
5814 }
5815
elink_set_swap_lanes(struct elink_params * params,struct elink_phy * phy)5816 static void elink_set_swap_lanes(struct elink_params *params,
5817 struct elink_phy *phy)
5818 {
5819 struct bnx2x_softc *sc = params->sc;
5820 /* Each two bits represents a lane number:
5821 * No swap is 0123 => 0x1b no need to enable the swap
5822 */
5823 uint16_t rx_lane_swap, tx_lane_swap;
5824
5825 rx_lane_swap = ((params->lane_config &
5826 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
5827 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
5828 tx_lane_swap = ((params->lane_config &
5829 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
5830 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
5831
5832 if (rx_lane_swap != 0x1b) {
5833 CL22_WR_OVER_CL45(sc, phy,
5834 MDIO_REG_BANK_XGXS_BLOCK2,
5835 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
5836 (rx_lane_swap |
5837 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
5838 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
5839 } else {
5840 CL22_WR_OVER_CL45(sc, phy,
5841 MDIO_REG_BANK_XGXS_BLOCK2,
5842 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
5843 }
5844
5845 if (tx_lane_swap != 0x1b) {
5846 CL22_WR_OVER_CL45(sc, phy,
5847 MDIO_REG_BANK_XGXS_BLOCK2,
5848 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
5849 (tx_lane_swap |
5850 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
5851 } else {
5852 CL22_WR_OVER_CL45(sc, phy,
5853 MDIO_REG_BANK_XGXS_BLOCK2,
5854 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
5855 }
5856 }
5857
elink_set_parallel_detection(struct elink_phy * phy,struct elink_params * params)5858 static void elink_set_parallel_detection(struct elink_phy *phy,
5859 struct elink_params *params)
5860 {
5861 struct bnx2x_softc *sc = params->sc;
5862 uint16_t control2;
5863 CL22_RD_OVER_CL45(sc, phy,
5864 MDIO_REG_BANK_SERDES_DIGITAL,
5865 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
5866 &control2);
5867 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5868 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
5869 else
5870 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
5871 ELINK_DEBUG_P2(sc, "phy->speed_cap_mask = 0x%x, control2 = 0x%x",
5872 phy->speed_cap_mask, control2);
5873 CL22_WR_OVER_CL45(sc, phy,
5874 MDIO_REG_BANK_SERDES_DIGITAL,
5875 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
5876 control2);
5877
5878 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
5879 (phy->speed_cap_mask &
5880 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
5881 ELINK_DEBUG_P0(sc, "XGXS");
5882
5883 CL22_WR_OVER_CL45(sc, phy,
5884 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5885 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
5886 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
5887
5888 CL22_RD_OVER_CL45(sc, phy,
5889 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5890 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5891 &control2);
5892
5893
5894 control2 |=
5895 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
5896
5897 CL22_WR_OVER_CL45(sc, phy,
5898 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5899 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5900 control2);
5901
5902 /* Disable parallel detection of HiG */
5903 CL22_WR_OVER_CL45(sc, phy,
5904 MDIO_REG_BANK_XGXS_BLOCK2,
5905 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
5906 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
5907 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
5908 }
5909 }
5910
elink_set_autoneg(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars,uint8_t enable_cl73)5911 static void elink_set_autoneg(struct elink_phy *phy,
5912 struct elink_params *params,
5913 struct elink_vars *vars,
5914 uint8_t enable_cl73)
5915 {
5916 struct bnx2x_softc *sc = params->sc;
5917 uint16_t reg_val;
5918
5919 /* CL37 Autoneg */
5920 CL22_RD_OVER_CL45(sc, phy,
5921 MDIO_REG_BANK_COMBO_IEEE0,
5922 MDIO_COMBO_IEEE0_MII_CONTROL, ®_val);
5923
5924 /* CL37 Autoneg Enabled */
5925 if (vars->line_speed == ELINK_SPEED_AUTO_NEG)
5926 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
5927 else /* CL37 Autoneg Disabled */
5928 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5929 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
5930
5931 CL22_WR_OVER_CL45(sc, phy,
5932 MDIO_REG_BANK_COMBO_IEEE0,
5933 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5934
5935 /* Enable/Disable Autodetection */
5936
5937 CL22_RD_OVER_CL45(sc, phy,
5938 MDIO_REG_BANK_SERDES_DIGITAL,
5939 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, ®_val);
5940 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
5941 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
5942 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
5943 if (vars->line_speed == ELINK_SPEED_AUTO_NEG)
5944 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5945 else
5946 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5947
5948 CL22_WR_OVER_CL45(sc, phy,
5949 MDIO_REG_BANK_SERDES_DIGITAL,
5950 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
5951
5952 /* Enable TetonII and BAM autoneg */
5953 CL22_RD_OVER_CL45(sc, phy,
5954 MDIO_REG_BANK_BAM_NEXT_PAGE,
5955 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5956 ®_val);
5957 if (vars->line_speed == ELINK_SPEED_AUTO_NEG) {
5958 /* Enable BAM aneg Mode and TetonII aneg Mode */
5959 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5960 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5961 } else {
5962 /* TetonII and BAM Autoneg Disabled */
5963 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5964 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5965 }
5966 CL22_WR_OVER_CL45(sc, phy,
5967 MDIO_REG_BANK_BAM_NEXT_PAGE,
5968 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5969 reg_val);
5970
5971 if (enable_cl73) {
5972 /* Enable Cl73 FSM status bits */
5973 CL22_WR_OVER_CL45(sc, phy,
5974 MDIO_REG_BANK_CL73_USERB0,
5975 MDIO_CL73_USERB0_CL73_UCTRL,
5976 0xe);
5977
5978 /* Enable BAM Station Manager*/
5979 CL22_WR_OVER_CL45(sc, phy,
5980 MDIO_REG_BANK_CL73_USERB0,
5981 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
5982 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
5983 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
5984 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
5985
5986 /* Advertise CL73 link speeds */
5987 CL22_RD_OVER_CL45(sc, phy,
5988 MDIO_REG_BANK_CL73_IEEEB1,
5989 MDIO_CL73_IEEEB1_AN_ADV2,
5990 ®_val);
5991 if (phy->speed_cap_mask &
5992 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5993 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
5994 if (phy->speed_cap_mask &
5995 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5996 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
5997
5998 CL22_WR_OVER_CL45(sc, phy,
5999 MDIO_REG_BANK_CL73_IEEEB1,
6000 MDIO_CL73_IEEEB1_AN_ADV2,
6001 reg_val);
6002
6003 /* CL73 Autoneg Enabled */
6004 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
6005
6006 } else /* CL73 Autoneg Disabled */
6007 reg_val = 0;
6008
6009 CL22_WR_OVER_CL45(sc, phy,
6010 MDIO_REG_BANK_CL73_IEEEB0,
6011 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
6012 }
6013
6014 /* Program SerDes, forced speed */
elink_program_serdes(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)6015 static void elink_program_serdes(struct elink_phy *phy,
6016 struct elink_params *params,
6017 struct elink_vars *vars)
6018 {
6019 struct bnx2x_softc *sc = params->sc;
6020 uint16_t reg_val;
6021
6022 /* Program duplex, disable autoneg and sgmii*/
6023 CL22_RD_OVER_CL45(sc, phy,
6024 MDIO_REG_BANK_COMBO_IEEE0,
6025 MDIO_COMBO_IEEE0_MII_CONTROL, ®_val);
6026 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
6027 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
6028 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
6029 if (phy->req_duplex == DUPLEX_FULL)
6030 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
6031 CL22_WR_OVER_CL45(sc, phy,
6032 MDIO_REG_BANK_COMBO_IEEE0,
6033 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
6034
6035 /* Program speed
6036 * - needed only if the speed is greater than 1G (2.5G or 10G)
6037 */
6038 CL22_RD_OVER_CL45(sc, phy,
6039 MDIO_REG_BANK_SERDES_DIGITAL,
6040 MDIO_SERDES_DIGITAL_MISC1, ®_val);
6041 /* Clearing the speed value before setting the right speed */
6042 ELINK_DEBUG_P1(sc, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x", reg_val);
6043
6044 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
6045 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
6046
6047 if (!((vars->line_speed == ELINK_SPEED_1000) ||
6048 (vars->line_speed == ELINK_SPEED_100) ||
6049 (vars->line_speed == ELINK_SPEED_10))) {
6050
6051 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
6052 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
6053 if (vars->line_speed == ELINK_SPEED_10000)
6054 reg_val |=
6055 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
6056 }
6057
6058 CL22_WR_OVER_CL45(sc, phy,
6059 MDIO_REG_BANK_SERDES_DIGITAL,
6060 MDIO_SERDES_DIGITAL_MISC1, reg_val);
6061
6062 }
6063
elink_set_brcm_cl37_advertisement(struct elink_phy * phy,struct elink_params * params)6064 static void elink_set_brcm_cl37_advertisement(struct elink_phy *phy,
6065 struct elink_params *params)
6066 {
6067 struct bnx2x_softc *sc = params->sc;
6068 uint16_t val = 0;
6069
6070 /* Set extended capabilities */
6071 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
6072 val |= MDIO_OVER_1G_UP1_2_5G;
6073 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
6074 val |= MDIO_OVER_1G_UP1_10G;
6075 CL22_WR_OVER_CL45(sc, phy,
6076 MDIO_REG_BANK_OVER_1G,
6077 MDIO_OVER_1G_UP1, val);
6078
6079 CL22_WR_OVER_CL45(sc, phy,
6080 MDIO_REG_BANK_OVER_1G,
6081 MDIO_OVER_1G_UP3, 0x400);
6082 }
6083
elink_set_ieee_aneg_advertisement(struct elink_phy * phy,struct elink_params * params,uint16_t ieee_fc)6084 static void elink_set_ieee_aneg_advertisement(struct elink_phy *phy,
6085 struct elink_params *params,
6086 uint16_t ieee_fc)
6087 {
6088 struct bnx2x_softc *sc = params->sc;
6089 uint16_t val;
6090 /* For AN, we are always publishing full duplex */
6091
6092 CL22_WR_OVER_CL45(sc, phy,
6093 MDIO_REG_BANK_COMBO_IEEE0,
6094 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
6095 CL22_RD_OVER_CL45(sc, phy,
6096 MDIO_REG_BANK_CL73_IEEEB1,
6097 MDIO_CL73_IEEEB1_AN_ADV1, &val);
6098 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
6099 val |= ((ieee_fc << 3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
6100 CL22_WR_OVER_CL45(sc, phy,
6101 MDIO_REG_BANK_CL73_IEEEB1,
6102 MDIO_CL73_IEEEB1_AN_ADV1, val);
6103 }
6104
elink_restart_autoneg(struct elink_phy * phy,struct elink_params * params,uint8_t enable_cl73)6105 static void elink_restart_autoneg(struct elink_phy *phy,
6106 struct elink_params *params,
6107 uint8_t enable_cl73)
6108 {
6109 struct bnx2x_softc *sc = params->sc;
6110 uint16_t mii_control;
6111
6112 ELINK_DEBUG_P0(sc, "elink_restart_autoneg");
6113 /* Enable and restart BAM/CL37 aneg */
6114
6115 if (enable_cl73) {
6116 CL22_RD_OVER_CL45(sc, phy,
6117 MDIO_REG_BANK_CL73_IEEEB0,
6118 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
6119 &mii_control);
6120
6121 CL22_WR_OVER_CL45(sc, phy,
6122 MDIO_REG_BANK_CL73_IEEEB0,
6123 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
6124 (mii_control |
6125 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
6126 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
6127 } else {
6128
6129 CL22_RD_OVER_CL45(sc, phy,
6130 MDIO_REG_BANK_COMBO_IEEE0,
6131 MDIO_COMBO_IEEE0_MII_CONTROL,
6132 &mii_control);
6133 ELINK_DEBUG_P1(sc,
6134 "elink_restart_autoneg mii_control before = 0x%x",
6135 mii_control);
6136 CL22_WR_OVER_CL45(sc, phy,
6137 MDIO_REG_BANK_COMBO_IEEE0,
6138 MDIO_COMBO_IEEE0_MII_CONTROL,
6139 (mii_control |
6140 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
6141 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
6142 }
6143 }
6144
elink_initialize_sgmii_process(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)6145 static void elink_initialize_sgmii_process(struct elink_phy *phy,
6146 struct elink_params *params,
6147 struct elink_vars *vars)
6148 {
6149 struct bnx2x_softc *sc = params->sc;
6150 uint16_t control1;
6151
6152 /* In SGMII mode, the unicore is always slave */
6153
6154 CL22_RD_OVER_CL45(sc, phy,
6155 MDIO_REG_BANK_SERDES_DIGITAL,
6156 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
6157 &control1);
6158 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
6159 /* Set sgmii mode (and not fiber) */
6160 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
6161 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
6162 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
6163 CL22_WR_OVER_CL45(sc, phy,
6164 MDIO_REG_BANK_SERDES_DIGITAL,
6165 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
6166 control1);
6167
6168 /* If forced speed */
6169 if (!(vars->line_speed == ELINK_SPEED_AUTO_NEG)) {
6170 /* Set speed, disable autoneg */
6171 uint16_t mii_control;
6172
6173 CL22_RD_OVER_CL45(sc, phy,
6174 MDIO_REG_BANK_COMBO_IEEE0,
6175 MDIO_COMBO_IEEE0_MII_CONTROL,
6176 &mii_control);
6177 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
6178 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK |
6179 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
6180
6181 switch (vars->line_speed) {
6182 case ELINK_SPEED_100:
6183 mii_control |=
6184 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
6185 break;
6186 case ELINK_SPEED_1000:
6187 mii_control |=
6188 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
6189 break;
6190 case ELINK_SPEED_10:
6191 /* There is nothing to set for 10M */
6192 break;
6193 default:
6194 /* Invalid speed for SGMII */
6195 ELINK_DEBUG_P1(sc, "Invalid line_speed 0x%x",
6196 vars->line_speed);
6197 break;
6198 }
6199
6200 /* Setting the full duplex */
6201 if (phy->req_duplex == DUPLEX_FULL)
6202 mii_control |=
6203 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
6204 CL22_WR_OVER_CL45(sc, phy,
6205 MDIO_REG_BANK_COMBO_IEEE0,
6206 MDIO_COMBO_IEEE0_MII_CONTROL,
6207 mii_control);
6208
6209 } else { /* AN mode */
6210 /* Enable and restart AN */
6211 elink_restart_autoneg(phy, params, 0);
6212 }
6213 }
6214
6215 /* Link management
6216 */
elink_direct_parallel_detect_used(struct elink_phy * phy,struct elink_params * params)6217 static elink_status_t elink_direct_parallel_detect_used(struct elink_phy *phy,
6218 struct elink_params *params)
6219 {
6220 struct bnx2x_softc *sc = params->sc;
6221 uint16_t pd_10g, status2_1000x;
6222 if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG)
6223 return ELINK_STATUS_OK;
6224 CL22_RD_OVER_CL45(sc, phy,
6225 MDIO_REG_BANK_SERDES_DIGITAL,
6226 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
6227 &status2_1000x);
6228 CL22_RD_OVER_CL45(sc, phy,
6229 MDIO_REG_BANK_SERDES_DIGITAL,
6230 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
6231 &status2_1000x);
6232 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
6233 ELINK_DEBUG_P1(sc, "1G parallel detect link on port %d",
6234 params->port);
6235 return 1;
6236 }
6237
6238 CL22_RD_OVER_CL45(sc, phy,
6239 MDIO_REG_BANK_10G_PARALLEL_DETECT,
6240 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
6241 &pd_10g);
6242
6243 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
6244 ELINK_DEBUG_P1(sc, "10G parallel detect link on port %d",
6245 params->port);
6246 return 1;
6247 }
6248 return ELINK_STATUS_OK;
6249 }
6250
elink_update_adv_fc(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars,uint32_t gp_status)6251 static void elink_update_adv_fc(struct elink_phy *phy,
6252 struct elink_params *params,
6253 struct elink_vars *vars,
6254 uint32_t gp_status)
6255 {
6256 uint16_t ld_pause; /* local driver */
6257 uint16_t lp_pause; /* link partner */
6258 uint16_t pause_result;
6259 struct bnx2x_softc *sc = params->sc;
6260 if ((gp_status &
6261 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
6262 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
6263 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
6264 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
6265
6266 CL22_RD_OVER_CL45(sc, phy,
6267 MDIO_REG_BANK_CL73_IEEEB1,
6268 MDIO_CL73_IEEEB1_AN_ADV1,
6269 &ld_pause);
6270 CL22_RD_OVER_CL45(sc, phy,
6271 MDIO_REG_BANK_CL73_IEEEB1,
6272 MDIO_CL73_IEEEB1_AN_LP_ADV1,
6273 &lp_pause);
6274 pause_result = (ld_pause &
6275 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
6276 pause_result |= (lp_pause &
6277 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
6278 ELINK_DEBUG_P1(sc, "pause_result CL73 0x%x", pause_result);
6279 } else {
6280 CL22_RD_OVER_CL45(sc, phy,
6281 MDIO_REG_BANK_COMBO_IEEE0,
6282 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
6283 &ld_pause);
6284 CL22_RD_OVER_CL45(sc, phy,
6285 MDIO_REG_BANK_COMBO_IEEE0,
6286 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
6287 &lp_pause);
6288 pause_result = (ld_pause &
6289 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) >> 5;
6290 pause_result |= (lp_pause &
6291 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) >> 7;
6292 ELINK_DEBUG_P1(sc, "pause_result CL37 0x%x", pause_result);
6293 }
6294 elink_pause_resolve(phy, params, vars, pause_result);
6295
6296 }
6297
elink_flow_ctrl_resolve(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars,uint32_t gp_status)6298 static void elink_flow_ctrl_resolve(struct elink_phy *phy,
6299 struct elink_params *params,
6300 struct elink_vars *vars,
6301 uint32_t gp_status)
6302 {
6303 struct bnx2x_softc *sc = params->sc;
6304 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
6305
6306 /* Resolve from gp_status in case of AN complete and not sgmii */
6307 if (phy->req_flow_ctrl != ELINK_FLOW_CTRL_AUTO) {
6308 /* Update the advertised flow-controled of LD/LP in AN */
6309 if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
6310 elink_update_adv_fc(phy, params, vars, gp_status);
6311 /* But set the flow-control result as the requested one */
6312 vars->flow_ctrl = phy->req_flow_ctrl;
6313 } else if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG)
6314 vars->flow_ctrl = params->req_fc_auto_adv;
6315 else if ((gp_status & ELINK_MDIO_AN_CL73_OR_37_COMPLETE) &&
6316 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
6317 if (elink_direct_parallel_detect_used(phy, params)) {
6318 vars->flow_ctrl = params->req_fc_auto_adv;
6319 return;
6320 }
6321 elink_update_adv_fc(phy, params, vars, gp_status);
6322 }
6323 ELINK_DEBUG_P1(sc, "flow_ctrl 0x%x", vars->flow_ctrl);
6324 }
6325
elink_check_fallback_to_cl37(struct elink_phy * phy,struct elink_params * params)6326 static void elink_check_fallback_to_cl37(struct elink_phy *phy,
6327 struct elink_params *params)
6328 {
6329 struct bnx2x_softc *sc = params->sc;
6330 uint16_t rx_status, ustat_val, cl37_fsm_received;
6331 ELINK_DEBUG_P0(sc, "elink_check_fallback_to_cl37");
6332 /* Step 1: Make sure signal is detected */
6333 CL22_RD_OVER_CL45(sc, phy,
6334 MDIO_REG_BANK_RX0,
6335 MDIO_RX0_RX_STATUS,
6336 &rx_status);
6337 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
6338 (MDIO_RX0_RX_STATUS_SIGDET)) {
6339 ELINK_DEBUG_P1(sc, "Signal is not detected. Restoring CL73."
6340 "rx_status(0x80b0) = 0x%x", rx_status);
6341 CL22_WR_OVER_CL45(sc, phy,
6342 MDIO_REG_BANK_CL73_IEEEB0,
6343 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
6344 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
6345 return;
6346 }
6347 /* Step 2: Check CL73 state machine */
6348 CL22_RD_OVER_CL45(sc, phy,
6349 MDIO_REG_BANK_CL73_USERB0,
6350 MDIO_CL73_USERB0_CL73_USTAT1,
6351 &ustat_val);
6352 if ((ustat_val &
6353 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
6354 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
6355 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
6356 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
6357 ELINK_DEBUG_P1(sc, "CL73 state-machine is not stable. "
6358 "ustat_val(0x8371) = 0x%x", ustat_val);
6359 return;
6360 }
6361 /* Step 3: Check CL37 Message Pages received to indicate LP
6362 * supports only CL37
6363 */
6364 CL22_RD_OVER_CL45(sc, phy,
6365 MDIO_REG_BANK_REMOTE_PHY,
6366 MDIO_REMOTE_PHY_MISC_RX_STATUS,
6367 &cl37_fsm_received);
6368 if ((cl37_fsm_received &
6369 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
6370 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
6371 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
6372 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
6373 ELINK_DEBUG_P1(sc, "No CL37 FSM were received. "
6374 "misc_rx_status(0x8330) = 0x%x",
6375 cl37_fsm_received);
6376 return;
6377 }
6378 /* The combined cl37/cl73 fsm state information indicating that
6379 * we are connected to a device which does not support cl73, but
6380 * does support cl37 BAM. In this case we disable cl73 and
6381 * restart cl37 auto-neg
6382 */
6383
6384 /* Disable CL73 */
6385 CL22_WR_OVER_CL45(sc, phy,
6386 MDIO_REG_BANK_CL73_IEEEB0,
6387 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
6388 0);
6389 /* Restart CL37 autoneg */
6390 elink_restart_autoneg(phy, params, 0);
6391 ELINK_DEBUG_P0(sc, "Disabling CL73, and restarting CL37 autoneg");
6392 }
6393
elink_xgxs_an_resolve(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars,uint32_t gp_status)6394 static void elink_xgxs_an_resolve(struct elink_phy *phy,
6395 struct elink_params *params,
6396 struct elink_vars *vars,
6397 uint32_t gp_status)
6398 {
6399 if (gp_status & ELINK_MDIO_AN_CL73_OR_37_COMPLETE)
6400 vars->link_status |=
6401 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6402
6403 if (elink_direct_parallel_detect_used(phy, params))
6404 vars->link_status |=
6405 LINK_STATUS_PARALLEL_DETECTION_USED;
6406 }
elink_get_link_speed_duplex(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars,uint16_t is_link_up,uint16_t speed_mask,uint16_t is_duplex)6407 static elink_status_t elink_get_link_speed_duplex(struct elink_phy *phy,
6408 struct elink_params *params,
6409 struct elink_vars *vars,
6410 uint16_t is_link_up,
6411 uint16_t speed_mask,
6412 uint16_t is_duplex)
6413 {
6414 struct bnx2x_softc *sc = params->sc;
6415 if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
6416 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
6417 if (is_link_up) {
6418 ELINK_DEBUG_P0(sc, "phy link up");
6419
6420 vars->phy_link_up = 1;
6421 vars->link_status |= LINK_STATUS_LINK_UP;
6422
6423 switch (speed_mask) {
6424 case ELINK_GP_STATUS_10M:
6425 vars->line_speed = ELINK_SPEED_10;
6426 if (is_duplex == DUPLEX_FULL)
6427 vars->link_status |= ELINK_LINK_10TFD;
6428 else
6429 vars->link_status |= ELINK_LINK_10THD;
6430 break;
6431
6432 case ELINK_GP_STATUS_100M:
6433 vars->line_speed = ELINK_SPEED_100;
6434 if (is_duplex == DUPLEX_FULL)
6435 vars->link_status |= ELINK_LINK_100TXFD;
6436 else
6437 vars->link_status |= ELINK_LINK_100TXHD;
6438 break;
6439
6440 case ELINK_GP_STATUS_1G:
6441 case ELINK_GP_STATUS_1G_KX:
6442 vars->line_speed = ELINK_SPEED_1000;
6443 if (is_duplex == DUPLEX_FULL)
6444 vars->link_status |= ELINK_LINK_1000TFD;
6445 else
6446 vars->link_status |= ELINK_LINK_1000THD;
6447 break;
6448
6449 case ELINK_GP_STATUS_2_5G:
6450 vars->line_speed = ELINK_SPEED_2500;
6451 if (is_duplex == DUPLEX_FULL)
6452 vars->link_status |= ELINK_LINK_2500TFD;
6453 else
6454 vars->link_status |= ELINK_LINK_2500THD;
6455 break;
6456
6457 case ELINK_GP_STATUS_5G:
6458 case ELINK_GP_STATUS_6G:
6459 ELINK_DEBUG_P1(sc,
6460 "link speed unsupported gp_status 0x%x",
6461 speed_mask);
6462 return ELINK_STATUS_ERROR;
6463
6464 case ELINK_GP_STATUS_10G_KX4:
6465 case ELINK_GP_STATUS_10G_HIG:
6466 case ELINK_GP_STATUS_10G_CX4:
6467 case ELINK_GP_STATUS_10G_KR:
6468 case ELINK_GP_STATUS_10G_SFI:
6469 case ELINK_GP_STATUS_10G_XFI:
6470 vars->line_speed = ELINK_SPEED_10000;
6471 vars->link_status |= ELINK_LINK_10GTFD;
6472 break;
6473 case ELINK_GP_STATUS_20G_DXGXS:
6474 case ELINK_GP_STATUS_20G_KR2:
6475 vars->line_speed = ELINK_SPEED_20000;
6476 vars->link_status |= ELINK_LINK_20GTFD;
6477 break;
6478 default:
6479 ELINK_DEBUG_P1(sc,
6480 "link speed unsupported gp_status 0x%x",
6481 speed_mask);
6482 return ELINK_STATUS_ERROR;
6483 }
6484 } else { /* link_down */
6485 ELINK_DEBUG_P0(sc, "phy link down");
6486
6487 vars->phy_link_up = 0;
6488
6489 vars->duplex = DUPLEX_FULL;
6490 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
6491 vars->mac_type = ELINK_MAC_TYPE_NONE;
6492 }
6493 ELINK_DEBUG_P2(sc, " in elink_get_link_speed_duplex vars->link_status = %x, vars->duplex = %x",
6494 vars->link_status, vars->duplex);
6495 ELINK_DEBUG_P2(sc, " phy_link_up %x line_speed %d",
6496 vars->phy_link_up, vars->line_speed);
6497 return ELINK_STATUS_OK;
6498 }
6499
elink_link_settings_status(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)6500 static uint8_t elink_link_settings_status(struct elink_phy *phy,
6501 struct elink_params *params,
6502 struct elink_vars *vars)
6503 {
6504 struct bnx2x_softc *sc = params->sc;
6505
6506 uint16_t gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
6507 elink_status_t rc = ELINK_STATUS_OK;
6508
6509 /* Read gp_status */
6510 CL22_RD_OVER_CL45(sc, phy,
6511 MDIO_REG_BANK_GP_STATUS,
6512 MDIO_GP_STATUS_TOP_AN_STATUS1,
6513 &gp_status);
6514 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS) {
6515 duplex = DUPLEX_FULL;
6516 ELINK_DEBUG_P1(sc, "duplex status read from phy is = %x",
6517 duplex);
6518 } else {
6519 ELINK_DEBUG_P1(sc, "phy status does not allow interface to be FULL_DUPLEX : %x",
6520 gp_status);
6521 }
6522
6523
6524 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
6525 link_up = 1;
6526 speed_mask = gp_status & ELINK_GP_STATUS_SPEED_MASK;
6527 ELINK_DEBUG_P3(sc, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x",
6528 gp_status, link_up, speed_mask);
6529 rc = elink_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
6530 duplex);
6531 if (rc == ELINK_STATUS_ERROR)
6532 return rc;
6533
6534 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
6535 if (ELINK_SINGLE_MEDIA_DIRECT(params)) {
6536 vars->duplex = duplex;
6537 elink_flow_ctrl_resolve(phy, params, vars, gp_status);
6538 if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
6539 elink_xgxs_an_resolve(phy, params, vars,
6540 gp_status);
6541 }
6542 } else { /* Link_down */
6543 if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
6544 ELINK_SINGLE_MEDIA_DIRECT(params)) {
6545 /* Check signal is detected */
6546 elink_check_fallback_to_cl37(phy, params);
6547 }
6548 }
6549
6550 /* Read LP advertised speeds*/
6551 if (ELINK_SINGLE_MEDIA_DIRECT(params) &&
6552 (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
6553 uint16_t val;
6554
6555 CL22_RD_OVER_CL45(sc, phy, MDIO_REG_BANK_CL73_IEEEB1,
6556 MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
6557
6558 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
6559 vars->link_status |=
6560 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
6561 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
6562 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
6563 vars->link_status |=
6564 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
6565
6566 CL22_RD_OVER_CL45(sc, phy, MDIO_REG_BANK_OVER_1G,
6567 MDIO_OVER_1G_LP_UP1, &val);
6568
6569 if (val & MDIO_OVER_1G_UP1_2_5G)
6570 vars->link_status |=
6571 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
6572 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
6573 vars->link_status |=
6574 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
6575 }
6576
6577 ELINK_DEBUG_P3(sc, "duplex %x flow_ctrl 0x%x link_status 0x%x",
6578 vars->duplex, vars->flow_ctrl, vars->link_status);
6579 return rc;
6580 }
6581
elink_warpcore_read_status(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)6582 static uint8_t elink_warpcore_read_status(struct elink_phy *phy,
6583 struct elink_params *params,
6584 struct elink_vars *vars)
6585 {
6586 struct bnx2x_softc *sc = params->sc;
6587 uint8_t lane;
6588 uint16_t gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
6589 elink_status_t rc = ELINK_STATUS_OK;
6590 lane = elink_get_warpcore_lane(phy, params);
6591 /* Read gp_status */
6592 if ((params->loopback_mode) &&
6593 (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)) {
6594 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6595 MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
6596 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6597 MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
6598 link_up &= 0x1;
6599 ELINK_DEBUG_P1(sc, "params->loopback_mode link_up read = %x",
6600 link_up);
6601 } else if ((phy->req_line_speed > ELINK_SPEED_10000) &&
6602 (phy->supported & ELINK_SUPPORTED_20000baseMLD2_Full)) {
6603 uint16_t temp_link_up;
6604 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6605 1, &temp_link_up);
6606 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6607 1, &link_up);
6608 ELINK_DEBUG_P2(sc, "PCS RX link status = 0x%x-->0x%x",
6609 temp_link_up, link_up);
6610 link_up &= (1 << 2);
6611 if (link_up)
6612 elink_ext_phy_resolve_fc(phy, params, vars);
6613 } else {
6614 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6615 MDIO_WC_REG_GP2_STATUS_GP_2_1,
6616 &gp_status1);
6617 ELINK_DEBUG_P1(sc, "0x81d1 = 0x%x", gp_status1);
6618 /* Check for either KR, 1G, or AN up. */
6619 link_up = ((gp_status1 >> 8) |
6620 (gp_status1 >> 12) |
6621 (gp_status1)) &
6622 (1 << lane);
6623 if (phy->supported & ELINK_SUPPORTED_20000baseKR2_Full) {
6624 uint16_t an_link;
6625 elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
6626 MDIO_AN_REG_STATUS, &an_link);
6627 elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
6628 MDIO_AN_REG_STATUS, &an_link);
6629 link_up |= (an_link & (1 << 2));
6630 ELINK_DEBUG_P2(sc, "an_link = %x, link_up = %x",
6631 an_link, link_up);
6632 }
6633 if (link_up && ELINK_SINGLE_MEDIA_DIRECT(params)) {
6634 uint16_t pd, gp_status4;
6635 if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
6636 /* Check Autoneg complete */
6637 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6638 MDIO_WC_REG_GP2_STATUS_GP_2_4,
6639 &gp_status4);
6640 if (gp_status4 & ((1 << 12) << lane))
6641 vars->link_status |=
6642 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6643
6644 /* Check parallel detect used */
6645 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6646 MDIO_WC_REG_PAR_DET_10G_STATUS,
6647 &pd);
6648 if (pd & (1 << 15))
6649 vars->link_status |=
6650 LINK_STATUS_PARALLEL_DETECTION_USED;
6651 ELINK_DEBUG_P2(sc, "pd = %x, link_status = %x",
6652 pd, vars->link_status);
6653 }
6654 elink_ext_phy_resolve_fc(phy, params, vars);
6655 vars->duplex = duplex;
6656 ELINK_DEBUG_P3(sc, " ELINK_SINGLE_MEDIA_DIRECT duplex %x flow_ctrl 0x%x link_status 0x%x",
6657 vars->duplex, vars->flow_ctrl,
6658 vars->link_status);
6659 }
6660 }
6661 ELINK_DEBUG_P3(sc, "duplex %x flow_ctrl 0x%x link_status 0x%x",
6662 vars->duplex, vars->flow_ctrl, vars->link_status);
6663 if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
6664 ELINK_SINGLE_MEDIA_DIRECT(params)) {
6665 uint16_t val;
6666
6667 elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
6668 MDIO_AN_REG_LP_AUTO_NEG2, &val);
6669
6670 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
6671 vars->link_status |=
6672 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
6673 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
6674 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
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 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6680 MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
6681
6682 if (val & MDIO_OVER_1G_UP1_2_5G)
6683 vars->link_status |=
6684 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
6685 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
6686 vars->link_status |=
6687 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
6688 ELINK_DEBUG_P2(sc, "val = %x, link_status = %x",
6689 val, vars->link_status);
6690
6691 }
6692
6693
6694 if (lane < 2) {
6695 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6696 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
6697 } else {
6698 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6699 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
6700 }
6701 ELINK_DEBUG_P2(sc, "lane %d gp_speed 0x%x", lane, gp_speed);
6702
6703 if ((lane & 1) == 0)
6704 gp_speed <<= 8;
6705 gp_speed &= 0x3f00;
6706 link_up = !!link_up;
6707
6708 /* Reset the TX FIFO to fix SGMII issue */
6709 rc = elink_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
6710 duplex);
6711
6712 /* In case of KR link down, start up the recovering procedure */
6713 if ((!link_up) && (phy->media_type == ELINK_ETH_PHY_KR) &&
6714 (!(phy->flags & ELINK_FLAGS_WC_DUAL_MODE)))
6715 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
6716
6717 ELINK_DEBUG_P3(sc, "duplex %x flow_ctrl 0x%x link_status 0x%x",
6718 vars->duplex, vars->flow_ctrl, vars->link_status);
6719 return rc;
6720 }
elink_set_gmii_tx_driver(struct elink_params * params)6721 static void elink_set_gmii_tx_driver(struct elink_params *params)
6722 {
6723 struct bnx2x_softc *sc = params->sc;
6724 struct elink_phy *phy = ¶ms->phy[ELINK_INT_PHY];
6725 uint16_t lp_up2;
6726 uint16_t tx_driver;
6727 uint16_t bank;
6728
6729 /* Read precomp */
6730 CL22_RD_OVER_CL45(sc, phy,
6731 MDIO_REG_BANK_OVER_1G,
6732 MDIO_OVER_1G_LP_UP2, &lp_up2);
6733
6734 /* Bits [10:7] at lp_up2, positioned at [15:12] */
6735 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
6736 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
6737 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
6738
6739 if (lp_up2 == 0)
6740 return;
6741
6742 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
6743 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
6744 CL22_RD_OVER_CL45(sc, phy,
6745 bank,
6746 MDIO_TX0_TX_DRIVER, &tx_driver);
6747
6748 /* Replace tx_driver bits [15:12] */
6749 if (lp_up2 !=
6750 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
6751 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
6752 tx_driver |= lp_up2;
6753 CL22_WR_OVER_CL45(sc, phy,
6754 bank,
6755 MDIO_TX0_TX_DRIVER, tx_driver);
6756 }
6757 }
6758 }
6759
elink_emac_program(struct elink_params * params,struct elink_vars * vars)6760 static elink_status_t elink_emac_program(struct elink_params *params,
6761 struct elink_vars *vars)
6762 {
6763 struct bnx2x_softc *sc = params->sc;
6764 uint8_t port = params->port;
6765 uint16_t mode = 0;
6766
6767 ELINK_DEBUG_P0(sc, "setting link speed & duplex");
6768 elink_bits_dis(sc, GRCBASE_EMAC0 + port * 0x400 +
6769 EMAC_REG_EMAC_MODE,
6770 (EMAC_MODE_25G_MODE |
6771 EMAC_MODE_PORT_MII_10M |
6772 EMAC_MODE_HALF_DUPLEX));
6773 switch (vars->line_speed) {
6774 case ELINK_SPEED_10:
6775 mode |= EMAC_MODE_PORT_MII_10M;
6776 break;
6777
6778 case ELINK_SPEED_100:
6779 mode |= EMAC_MODE_PORT_MII;
6780 break;
6781
6782 case ELINK_SPEED_1000:
6783 mode |= EMAC_MODE_PORT_GMII;
6784 break;
6785
6786 case ELINK_SPEED_2500:
6787 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
6788 break;
6789
6790 default:
6791 /* 10G not valid for EMAC */
6792 ELINK_DEBUG_P1(sc, "Invalid line_speed 0x%x",
6793 vars->line_speed);
6794 return ELINK_STATUS_ERROR;
6795 }
6796
6797 if (vars->duplex == DUPLEX_HALF)
6798 mode |= EMAC_MODE_HALF_DUPLEX;
6799 elink_bits_en(sc,
6800 GRCBASE_EMAC0 + port * 0x400 + EMAC_REG_EMAC_MODE,
6801 mode);
6802
6803 elink_set_led(params, vars, ELINK_LED_MODE_OPER, vars->line_speed);
6804 return ELINK_STATUS_OK;
6805 }
6806
elink_set_preemphasis(struct elink_phy * phy,struct elink_params * params)6807 static void elink_set_preemphasis(struct elink_phy *phy,
6808 struct elink_params *params)
6809 {
6810
6811 uint16_t bank, i = 0;
6812 struct bnx2x_softc *sc = params->sc;
6813
6814 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
6815 bank += (MDIO_REG_BANK_RX1 - MDIO_REG_BANK_RX0), i++) {
6816 CL22_WR_OVER_CL45(sc, phy,
6817 bank,
6818 MDIO_RX0_RX_EQ_BOOST,
6819 phy->rx_preemphasis[i]);
6820 }
6821
6822 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
6823 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
6824 CL22_WR_OVER_CL45(sc, phy,
6825 bank,
6826 MDIO_TX0_TX_DRIVER,
6827 phy->tx_preemphasis[i]);
6828 }
6829 }
6830
elink_xgxs_config_init(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)6831 static uint8_t elink_xgxs_config_init(struct elink_phy *phy,
6832 struct elink_params *params,
6833 struct elink_vars *vars)
6834 {
6835 struct bnx2x_softc *sc = params->sc;
6836 uint8_t enable_cl73 = (ELINK_SINGLE_MEDIA_DIRECT(params) ||
6837 (params->loopback_mode == ELINK_LOOPBACK_XGXS));
6838 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
6839 if (ELINK_SINGLE_MEDIA_DIRECT(params) &&
6840 (params->feature_config_flags &
6841 ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
6842 elink_set_preemphasis(phy, params);
6843
6844 /* Forced speed requested? */
6845 if (vars->line_speed != ELINK_SPEED_AUTO_NEG ||
6846 (ELINK_SINGLE_MEDIA_DIRECT(params) &&
6847 params->loopback_mode == ELINK_LOOPBACK_EXT)) {
6848 ELINK_DEBUG_P0(sc, "not SGMII, no AN");
6849
6850 /* Disable autoneg */
6851 elink_set_autoneg(phy, params, vars, 0);
6852
6853 /* Program speed and duplex */
6854 elink_program_serdes(phy, params, vars);
6855
6856 } else { /* AN_mode */
6857 ELINK_DEBUG_P0(sc, "not SGMII, AN");
6858
6859 /* AN enabled */
6860 elink_set_brcm_cl37_advertisement(phy, params);
6861
6862 /* Program duplex & pause advertisement (for aneg) */
6863 elink_set_ieee_aneg_advertisement(phy, params,
6864 vars->ieee_fc);
6865
6866 /* Enable autoneg */
6867 elink_set_autoneg(phy, params, vars, enable_cl73);
6868
6869 /* Enable and restart AN */
6870 elink_restart_autoneg(phy, params, enable_cl73);
6871 }
6872
6873 } else { /* SGMII mode */
6874 ELINK_DEBUG_P0(sc, "SGMII");
6875
6876 elink_initialize_sgmii_process(phy, params, vars);
6877 }
6878
6879 return 0;
6880 }
6881
elink_prepare_xgxs(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)6882 static elink_status_t elink_prepare_xgxs(struct elink_phy *phy,
6883 struct elink_params *params,
6884 struct elink_vars *vars)
6885 {
6886 elink_status_t rc;
6887 vars->phy_flags |= PHY_XGXS_FLAG;
6888 if ((phy->req_line_speed &&
6889 ((phy->req_line_speed == ELINK_SPEED_100) ||
6890 (phy->req_line_speed == ELINK_SPEED_10))) ||
6891 (!phy->req_line_speed &&
6892 (phy->speed_cap_mask >=
6893 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
6894 (phy->speed_cap_mask <
6895 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
6896 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
6897 vars->phy_flags |= PHY_SGMII_FLAG;
6898 else
6899 vars->phy_flags &= ~PHY_SGMII_FLAG;
6900
6901 elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
6902 elink_set_aer_mmd(params, phy);
6903 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
6904 elink_set_master_ln(params, phy);
6905
6906 rc = elink_reset_unicore(params, phy, 0);
6907 /* Reset the SerDes and wait for reset bit return low */
6908 if (rc != ELINK_STATUS_OK)
6909 return rc;
6910
6911 elink_set_aer_mmd(params, phy);
6912 /* Setting the masterLn_def again after the reset */
6913 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
6914 elink_set_master_ln(params, phy);
6915 elink_set_swap_lanes(params, phy);
6916 }
6917
6918 return rc;
6919 }
6920
elink_wait_reset_complete(struct bnx2x_softc * sc,struct elink_phy * phy,struct elink_params * params)6921 static uint16_t elink_wait_reset_complete(struct bnx2x_softc *sc,
6922 struct elink_phy *phy,
6923 struct elink_params *params)
6924 {
6925 uint16_t cnt, ctrl;
6926 /* Wait for soft reset to get cleared up to 1 sec */
6927 for (cnt = 0; cnt < 1000; cnt++) {
6928 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY2_TYPE_BNX2X54618SE)
6929 elink_cl22_read(sc, phy,
6930 MDIO_PMA_REG_CTRL, &ctrl);
6931 else
6932 elink_cl45_read(sc, phy,
6933 MDIO_PMA_DEVAD,
6934 MDIO_PMA_REG_CTRL, &ctrl);
6935 if (!(ctrl & (1 << 15)))
6936 break;
6937 DELAY(1000 * 1);
6938 }
6939
6940 if (cnt == 1000)
6941 elink_cb_event_log(sc, ELINK_LOG_ID_PHY_UNINITIALIZED,
6942 params->port);
6943 /* "Warning: PHY was not initialized,"
6944 * " Port %d",
6945 */
6946
6947 ELINK_DEBUG_P2(sc, "control reg 0x%x (after %d ms)", ctrl, cnt);
6948 return cnt;
6949 }
6950
elink_link_int_enable(struct elink_params * params)6951 static void elink_link_int_enable(struct elink_params *params)
6952 {
6953 uint8_t port = params->port;
6954 uint32_t mask;
6955 struct bnx2x_softc *sc = params->sc;
6956
6957 /* Setting the status to report on link up for either XGXS or SerDes */
6958 if (CHIP_IS_E3(sc)) {
6959 mask = ELINK_NIG_MASK_XGXS0_LINK_STATUS;
6960 if (!(ELINK_SINGLE_MEDIA_DIRECT(params)))
6961 mask |= ELINK_NIG_MASK_MI_INT;
6962 } else if (params->switch_cfg == ELINK_SWITCH_CFG_10G) {
6963 mask = (ELINK_NIG_MASK_XGXS0_LINK10G |
6964 ELINK_NIG_MASK_XGXS0_LINK_STATUS);
6965 ELINK_DEBUG_P0(sc, "enabled XGXS interrupt");
6966 if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) &&
6967 params->phy[ELINK_INT_PHY].type !=
6968 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
6969 mask |= ELINK_NIG_MASK_MI_INT;
6970 ELINK_DEBUG_P0(sc, "enabled external phy int");
6971 }
6972
6973 } else { /* SerDes */
6974 mask = ELINK_NIG_MASK_SERDES0_LINK_STATUS;
6975 ELINK_DEBUG_P0(sc, "enabled SerDes interrupt");
6976 if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) &&
6977 params->phy[ELINK_INT_PHY].type !=
6978 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
6979 mask |= ELINK_NIG_MASK_MI_INT;
6980 ELINK_DEBUG_P0(sc, "enabled external phy int");
6981 }
6982 }
6983 elink_bits_en(sc,
6984 NIG_REG_MASK_INTERRUPT_PORT0 + port * 4,
6985 mask);
6986
6987 ELINK_DEBUG_P3(sc, "port %x, is_xgxs %x, int_status 0x%x", port,
6988 (params->switch_cfg == ELINK_SWITCH_CFG_10G),
6989 REG_RD(sc, NIG_REG_STATUS_INTERRUPT_PORT0 + port * 4));
6990 ELINK_DEBUG_P3(sc, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x",
6991 REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 + port * 4),
6992 REG_RD(sc, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port * 0x18),
6993 REG_RD(sc, NIG_REG_SERDES0_STATUS_LINK_STATUS + port * 0x3c));
6994 ELINK_DEBUG_P2(sc, " 10G %x, XGXS_LINK %x",
6995 REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK10G + port * 0x68),
6996 REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK_STATUS + port * 0x68));
6997 }
6998
elink_rearm_latch_signal(struct bnx2x_softc * sc,uint8_t port,uint8_t exp_mi_int)6999 static void elink_rearm_latch_signal(struct bnx2x_softc *sc, uint8_t port,
7000 uint8_t exp_mi_int)
7001 {
7002 uint32_t latch_status = 0;
7003
7004 /* Disable the MI INT ( external phy int ) by writing 1 to the
7005 * status register. Link down indication is high-active-signal,
7006 * so in this case we need to write the status to clear the XOR
7007 */
7008 /* Read Latched signals */
7009 latch_status = REG_RD(sc,
7010 NIG_REG_LATCH_STATUS_0 + port * 8);
7011 ELINK_DEBUG_P1(sc, "latch_status = 0x%x", latch_status);
7012 /* Handle only those with latched-signal=up.*/
7013 if (exp_mi_int)
7014 elink_bits_en(sc,
7015 NIG_REG_STATUS_INTERRUPT_PORT0
7016 + port * 4,
7017 ELINK_NIG_STATUS_EMAC0_MI_INT);
7018 else
7019 elink_bits_dis(sc,
7020 NIG_REG_STATUS_INTERRUPT_PORT0
7021 + port * 4,
7022 ELINK_NIG_STATUS_EMAC0_MI_INT);
7023
7024 if (latch_status & 1) {
7025
7026 /* For all latched-signal=up : Re-Arm Latch signals */
7027 REG_WR(sc, NIG_REG_LATCH_STATUS_0 + port * 8,
7028 (latch_status & 0xfffe) | (latch_status & 1));
7029 }
7030 /* For all latched-signal=up,Write original_signal to status */
7031 }
7032
elink_link_int_ack(struct elink_params * params,struct elink_vars * vars,uint8_t is_10g_plus)7033 static void elink_link_int_ack(struct elink_params *params,
7034 struct elink_vars *vars, uint8_t is_10g_plus)
7035 {
7036 struct bnx2x_softc *sc = params->sc;
7037 uint8_t port = params->port;
7038 uint32_t mask;
7039 /* First reset all status we assume only one line will be
7040 * change at a time
7041 */
7042 elink_bits_dis(sc, NIG_REG_STATUS_INTERRUPT_PORT0 + port * 4,
7043 (ELINK_NIG_STATUS_XGXS0_LINK10G |
7044 ELINK_NIG_STATUS_XGXS0_LINK_STATUS |
7045 ELINK_NIG_STATUS_SERDES0_LINK_STATUS));
7046 if (vars->phy_link_up) {
7047 if (USES_WARPCORE(sc))
7048 mask = ELINK_NIG_STATUS_XGXS0_LINK_STATUS;
7049 else {
7050 if (is_10g_plus)
7051 mask = ELINK_NIG_STATUS_XGXS0_LINK10G;
7052 else if (params->switch_cfg == ELINK_SWITCH_CFG_10G) {
7053 /* Disable the link interrupt by writing 1 to
7054 * the relevant lane in the status register
7055 */
7056 uint32_t ser_lane =
7057 ((params->lane_config &
7058 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
7059 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
7060 mask = ((1 << ser_lane) <<
7061 ELINK_NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
7062 } else
7063 mask = ELINK_NIG_STATUS_SERDES0_LINK_STATUS;
7064 }
7065 ELINK_DEBUG_P1(sc, "Ack link up interrupt with mask 0x%x",
7066 mask);
7067 elink_bits_en(sc,
7068 NIG_REG_STATUS_INTERRUPT_PORT0 + port * 4,
7069 mask);
7070 }
7071 }
7072
elink_format_ver(uint32_t num,uint8_t * str,uint16_t * len)7073 static elink_status_t elink_format_ver(uint32_t num, uint8_t *str,
7074 uint16_t *len)
7075 {
7076 uint8_t *str_ptr = str;
7077 uint32_t mask = 0xf0000000;
7078 uint8_t shift = 8 * 4;
7079 uint8_t digit;
7080 uint8_t remove_leading_zeros = 1;
7081 if (*len < 10) {
7082 /* Need more than 10chars for this format */
7083 *str_ptr = '\0';
7084 (*len)--;
7085 return ELINK_STATUS_ERROR;
7086 }
7087 while (shift > 0) {
7088
7089 shift -= 4;
7090 digit = ((num & mask) >> shift);
7091 if (digit == 0 && remove_leading_zeros) {
7092 mask = mask >> 4;
7093 continue;
7094 } else if (digit < 0xa)
7095 *str_ptr = digit + '0';
7096 else
7097 *str_ptr = digit - 0xa + 'a';
7098 remove_leading_zeros = 0;
7099 str_ptr++;
7100 (*len)--;
7101 mask = mask >> 4;
7102 if (shift == 4 * 4) {
7103 *str_ptr = '.';
7104 str_ptr++;
7105 (*len)--;
7106 remove_leading_zeros = 1;
7107 }
7108 }
7109 return ELINK_STATUS_OK;
7110 }
7111
7112
elink_null_format_ver(__rte_unused uint32_t spirom_ver,uint8_t * str,uint16_t * len)7113 static elink_status_t elink_null_format_ver(__rte_unused uint32_t spirom_ver,
7114 uint8_t *str,
7115 uint16_t *len)
7116 {
7117 str[0] = '\0';
7118 (*len)--;
7119 return ELINK_STATUS_OK;
7120 }
7121
elink_get_ext_phy_fw_version(struct elink_params * params,uint8_t * version,uint16_t len)7122 elink_status_t elink_get_ext_phy_fw_version(struct elink_params *params,
7123 uint8_t *version,
7124 uint16_t len)
7125 {
7126 struct bnx2x_softc *sc;
7127 uint32_t spirom_ver = 0;
7128 elink_status_t status = ELINK_STATUS_OK;
7129 uint8_t *ver_p = version;
7130 uint16_t remain_len = len;
7131 if (version == NULL || params == NULL)
7132 return ELINK_STATUS_ERROR;
7133 sc = params->sc;
7134
7135 /* Extract first external phy*/
7136 version[0] = '\0';
7137 spirom_ver = REG_RD(sc, params->phy[ELINK_EXT_PHY1].ver_addr);
7138
7139 if (params->phy[ELINK_EXT_PHY1].format_fw_ver) {
7140 status |= params->phy[ELINK_EXT_PHY1].format_fw_ver(spirom_ver,
7141 ver_p,
7142 &remain_len);
7143 ver_p += (len - remain_len);
7144 }
7145 if ((params->num_phys == ELINK_MAX_PHYS) &&
7146 (params->phy[ELINK_EXT_PHY2].ver_addr != 0)) {
7147 spirom_ver = REG_RD(sc, params->phy[ELINK_EXT_PHY2].ver_addr);
7148 if (params->phy[ELINK_EXT_PHY2].format_fw_ver) {
7149 *ver_p = '/';
7150 ver_p++;
7151 remain_len--;
7152 status |= params->phy[ELINK_EXT_PHY2].format_fw_ver(
7153 spirom_ver,
7154 ver_p,
7155 &remain_len);
7156 ver_p = version + (len - remain_len);
7157 }
7158 }
7159 *ver_p = '\0';
7160 return status;
7161 }
7162
elink_set_xgxs_loopback(struct elink_phy * phy,struct elink_params * params)7163 static void elink_set_xgxs_loopback(struct elink_phy *phy,
7164 struct elink_params *params)
7165 {
7166 uint8_t port = params->port;
7167 struct bnx2x_softc *sc = params->sc;
7168
7169 if (phy->req_line_speed != ELINK_SPEED_1000) {
7170 uint32_t md_devad = 0;
7171
7172 ELINK_DEBUG_P0(sc, "XGXS 10G loopback enable");
7173
7174 if (!CHIP_IS_E3(sc)) {
7175 /* Change the uni_phy_addr in the nig */
7176 md_devad = REG_RD(sc, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
7177 port * 0x18));
7178
7179 REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_DEVAD + port * 0x18,
7180 0x5);
7181 }
7182
7183 elink_cl45_write(sc, phy,
7184 5,
7185 (MDIO_REG_BANK_AER_BLOCK +
7186 (MDIO_AER_BLOCK_AER_REG & 0xf)),
7187 0x2800);
7188
7189 elink_cl45_write(sc, phy,
7190 5,
7191 (MDIO_REG_BANK_CL73_IEEEB0 +
7192 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
7193 0x6041);
7194 DELAY(1000 * 200);
7195 /* Set aer mmd back */
7196 elink_set_aer_mmd(params, phy);
7197
7198 if (!CHIP_IS_E3(sc)) {
7199 /* And md_devad */
7200 REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_DEVAD + port * 0x18,
7201 md_devad);
7202 }
7203 } else {
7204 uint16_t mii_ctrl;
7205 ELINK_DEBUG_P0(sc, "XGXS 1G loopback enable");
7206 elink_cl45_read(sc, phy, 5,
7207 (MDIO_REG_BANK_COMBO_IEEE0 +
7208 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
7209 &mii_ctrl);
7210 elink_cl45_write(sc, phy, 5,
7211 (MDIO_REG_BANK_COMBO_IEEE0 +
7212 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
7213 mii_ctrl |
7214 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
7215 }
7216 }
7217
elink_set_led(struct elink_params * params,struct elink_vars * vars,uint8_t mode,uint32_t speed)7218 elink_status_t elink_set_led(struct elink_params *params,
7219 struct elink_vars *vars, uint8_t mode, uint32_t speed)
7220 {
7221 uint8_t port = params->port;
7222 uint16_t hw_led_mode = params->hw_led_mode;
7223 elink_status_t rc = ELINK_STATUS_OK;
7224 uint8_t phy_idx;
7225 uint32_t tmp;
7226 uint32_t emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
7227 struct bnx2x_softc *sc = params->sc;
7228 ELINK_DEBUG_P2(sc, "elink_set_led: port %x, mode %d", port, mode);
7229 ELINK_DEBUG_P2(sc, "speed 0x%x, hw_led_mode 0x%x",
7230 speed, hw_led_mode);
7231 /* In case */
7232 for (phy_idx = ELINK_EXT_PHY1; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
7233 if (params->phy[phy_idx].set_link_led) {
7234 params->phy[phy_idx].set_link_led(
7235 ¶ms->phy[phy_idx], params, mode);
7236 }
7237 }
7238 #ifdef ELINK_INCLUDE_EMUL
7239 if (params->feature_config_flags &
7240 ELINK_FEATURE_CONFIG_EMUL_DISABLE_EMAC)
7241 return rc;
7242 #endif
7243
7244 switch (mode) {
7245 case ELINK_LED_MODE_FRONT_PANEL_OFF:
7246 case ELINK_LED_MODE_OFF:
7247 REG_WR(sc, NIG_REG_LED_10G_P0 + port * 4, 0);
7248 REG_WR(sc, NIG_REG_LED_MODE_P0 + port * 4,
7249 SHARED_HW_CFG_LED_MAC1);
7250
7251 tmp = elink_cb_reg_read(sc, emac_base + EMAC_REG_EMAC_LED);
7252 if (params->phy[ELINK_EXT_PHY1].type ==
7253 PORT_HW_CFG_XGXS_EXT_PHY2_TYPE_BNX2X54618SE)
7254 tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
7255 EMAC_LED_100MB_OVERRIDE |
7256 EMAC_LED_10MB_OVERRIDE);
7257 else
7258 tmp |= EMAC_LED_OVERRIDE;
7259
7260 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED, tmp);
7261 break;
7262
7263 case ELINK_LED_MODE_OPER:
7264 /* For all other phys, OPER mode is same as ON, so in case
7265 * link is down, do nothing
7266 */
7267 if (!vars->link_up)
7268 break;
7269 /* fallthrough */
7270 case ELINK_LED_MODE_ON:
7271 if (((params->phy[ELINK_EXT_PHY1].type ==
7272 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8727) ||
7273 (params->phy[ELINK_EXT_PHY1].type ==
7274 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8722)) &&
7275 CHIP_IS_E2(sc) && params->num_phys == 2) {
7276 /* This is a work-around for E2 + 8727 Configurations */
7277 if (mode == ELINK_LED_MODE_ON ||
7278 speed == ELINK_SPEED_10000){
7279 REG_WR(sc, NIG_REG_LED_MODE_P0 + port * 4, 0);
7280 REG_WR(sc, NIG_REG_LED_10G_P0 + port * 4, 1);
7281
7282 tmp = elink_cb_reg_read(sc, emac_base +
7283 EMAC_REG_EMAC_LED);
7284 elink_cb_reg_write(sc, emac_base +
7285 EMAC_REG_EMAC_LED,
7286 (tmp | EMAC_LED_OVERRIDE));
7287 /* Return here without enabling traffic
7288 * LED blink and setting rate in ON mode.
7289 * In oper mode, enabling LED blink
7290 * and setting rate is needed.
7291 */
7292 if (mode == ELINK_LED_MODE_ON)
7293 return rc;
7294 }
7295 } else if (ELINK_SINGLE_MEDIA_DIRECT(params)) {
7296 /* This is a work-around for HW issue found when link
7297 * is up in CL73
7298 */
7299 if ((!CHIP_IS_E3(sc)) ||
7300 (CHIP_IS_E3(sc) &&
7301 mode == ELINK_LED_MODE_ON))
7302 REG_WR(sc, NIG_REG_LED_10G_P0 + port * 4, 1);
7303
7304 if (CHIP_IS_E1x(sc) ||
7305 CHIP_IS_E2(sc) ||
7306 (mode == ELINK_LED_MODE_ON))
7307 REG_WR(sc, NIG_REG_LED_MODE_P0 + port * 4, 0);
7308 else
7309 REG_WR(sc, NIG_REG_LED_MODE_P0 + port * 4,
7310 hw_led_mode);
7311 } else if ((params->phy[ELINK_EXT_PHY1].type ==
7312 PORT_HW_CFG_XGXS_EXT_PHY2_TYPE_BNX2X54618SE) &&
7313 (mode == ELINK_LED_MODE_ON)) {
7314 REG_WR(sc, NIG_REG_LED_MODE_P0 + port * 4, 0);
7315 tmp = elink_cb_reg_read(sc, emac_base +
7316 EMAC_REG_EMAC_LED);
7317 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED,
7318 tmp | EMAC_LED_OVERRIDE |
7319 EMAC_LED_1000MB_OVERRIDE);
7320 /* Break here; otherwise, it'll disable the
7321 * intended override.
7322 */
7323 break;
7324 } else {
7325 uint32_t nig_led_mode = ((params->hw_led_mode <<
7326 SHARED_HW_CFG_LED_MODE_SHIFT) ==
7327 SHARED_HW_CFG_LED_EXTPHY2) ?
7328 (SHARED_HW_CFG_LED_PHY1 >>
7329 SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
7330 REG_WR(sc, NIG_REG_LED_MODE_P0 + port * 4,
7331 nig_led_mode);
7332 }
7333
7334 REG_WR(sc, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port * 4,
7335 0);
7336 /* Set blinking rate to ~15.9Hz */
7337 if (CHIP_IS_E3(sc))
7338 REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port * 4,
7339 LED_BLINK_RATE_VAL_E3);
7340 else
7341 REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port * 4,
7342 LED_BLINK_RATE_VAL_E1X_E2);
7343 REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
7344 port * 4, 1);
7345 tmp = elink_cb_reg_read(sc, emac_base + EMAC_REG_EMAC_LED);
7346 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED,
7347 (tmp & (~EMAC_LED_OVERRIDE)));
7348
7349 if (CHIP_IS_E1(sc) &&
7350 ((speed == ELINK_SPEED_2500) ||
7351 (speed == ELINK_SPEED_1000) ||
7352 (speed == ELINK_SPEED_100) ||
7353 (speed == ELINK_SPEED_10))) {
7354 /* For speeds less than 10G LED scheme is different */
7355 REG_WR(sc, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
7356 + port * 4, 1);
7357 REG_WR(sc, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
7358 port * 4, 0);
7359 REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
7360 port * 4, 1);
7361 }
7362 break;
7363
7364 default:
7365 rc = ELINK_STATUS_ERROR;
7366 ELINK_DEBUG_P1(sc, "elink_set_led: Invalid led mode %d",
7367 mode);
7368 break;
7369 }
7370 return rc;
7371
7372 }
7373
7374 /* This function comes to reflect the actual link state read DIRECTLY from the
7375 * HW
7376 */
elink_test_link(struct elink_params * params,__rte_unused struct elink_vars * vars,uint8_t is_serdes)7377 elink_status_t elink_test_link(struct elink_params *params,
7378 __rte_unused struct elink_vars *vars,
7379 uint8_t is_serdes)
7380 {
7381 struct bnx2x_softc *sc = params->sc;
7382 uint16_t gp_status = 0, phy_index = 0;
7383 uint8_t ext_phy_link_up = 0, serdes_phy_type;
7384 struct elink_vars temp_vars;
7385 struct elink_phy *int_phy = ¶ms->phy[ELINK_INT_PHY];
7386 #ifdef ELINK_INCLUDE_FPGA
7387 if (CHIP_REV_IS_FPGA(sc))
7388 return ELINK_STATUS_OK;
7389 #endif
7390 #ifdef ELINK_INCLUDE_EMUL
7391 if (CHIP_REV_IS_EMUL(sc))
7392 return ELINK_STATUS_OK;
7393 #endif
7394
7395 if (CHIP_IS_E3(sc)) {
7396 uint16_t link_up;
7397 if (params->req_line_speed[ELINK_LINK_CONFIG_IDX(ELINK_INT_PHY)]
7398 > ELINK_SPEED_10000) {
7399 /* Check 20G link */
7400 elink_cl45_read(sc, int_phy, MDIO_WC_DEVAD,
7401 1, &link_up);
7402 elink_cl45_read(sc, int_phy, MDIO_WC_DEVAD,
7403 1, &link_up);
7404 link_up &= (1 << 2);
7405 } else {
7406 /* Check 10G link and below*/
7407 uint8_t lane = elink_get_warpcore_lane(int_phy, params);
7408 elink_cl45_read(sc, int_phy, MDIO_WC_DEVAD,
7409 MDIO_WC_REG_GP2_STATUS_GP_2_1,
7410 &gp_status);
7411 gp_status = ((gp_status >> 8) & 0xf) |
7412 ((gp_status >> 12) & 0xf);
7413 link_up = gp_status & (1 << lane);
7414 }
7415 if (!link_up)
7416 return ELINK_STATUS_NO_LINK;
7417 } else {
7418 CL22_RD_OVER_CL45(sc, int_phy,
7419 MDIO_REG_BANK_GP_STATUS,
7420 MDIO_GP_STATUS_TOP_AN_STATUS1,
7421 &gp_status);
7422 /* Link is up only if both local phy and external phy are up */
7423 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
7424 return ELINK_STATUS_NO_LINK;
7425 }
7426 /* In XGXS loopback mode, do not check external PHY */
7427 if (params->loopback_mode == ELINK_LOOPBACK_XGXS)
7428 return ELINK_STATUS_OK;
7429
7430 switch (params->num_phys) {
7431 case 1:
7432 /* No external PHY */
7433 return ELINK_STATUS_OK;
7434 case 2:
7435 ext_phy_link_up = params->phy[ELINK_EXT_PHY1].read_status(
7436 ¶ms->phy[ELINK_EXT_PHY1],
7437 params, &temp_vars);
7438 break;
7439 case 3: /* Dual Media */
7440 for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
7441 phy_index++) {
7442 serdes_phy_type = ((params->phy[phy_index].media_type ==
7443 ELINK_ETH_PHY_SFPP_10G_FIBER) ||
7444 (params->phy[phy_index].media_type ==
7445 ELINK_ETH_PHY_SFP_1G_FIBER) ||
7446 (params->phy[phy_index].media_type ==
7447 ELINK_ETH_PHY_XFP_FIBER) ||
7448 (params->phy[phy_index].media_type ==
7449 ELINK_ETH_PHY_DA_TWINAX));
7450
7451 if (is_serdes != serdes_phy_type)
7452 continue;
7453 if (params->phy[phy_index].read_status) {
7454 ext_phy_link_up |=
7455 params->phy[phy_index].read_status(
7456 ¶ms->phy[phy_index],
7457 params, &temp_vars);
7458 }
7459 }
7460 break;
7461 }
7462 if (ext_phy_link_up)
7463 return ELINK_STATUS_OK;
7464 return ELINK_STATUS_NO_LINK;
7465 }
7466
elink_link_initialize(struct elink_params * params,struct elink_vars * vars)7467 static elink_status_t elink_link_initialize(struct elink_params *params,
7468 struct elink_vars *vars)
7469 {
7470 uint8_t phy_index, non_ext_phy;
7471 struct bnx2x_softc *sc = params->sc;
7472 /* In case of external phy existence, the line speed would be the
7473 * line speed linked up by the external phy. In case it is direct
7474 * only, then the line_speed during initialization will be
7475 * equal to the req_line_speed
7476 */
7477 vars->line_speed = params->phy[ELINK_INT_PHY].req_line_speed;
7478
7479 /* Initialize the internal phy in case this is a direct board
7480 * (no external phys), or this board has external phy which requires
7481 * to first.
7482 */
7483 if (!USES_WARPCORE(sc))
7484 elink_prepare_xgxs(¶ms->phy[ELINK_INT_PHY], params, vars);
7485 /* init ext phy and enable link state int */
7486 non_ext_phy = (ELINK_SINGLE_MEDIA_DIRECT(params) ||
7487 (params->loopback_mode == ELINK_LOOPBACK_XGXS));
7488
7489 if (non_ext_phy ||
7490 (params->phy[ELINK_EXT_PHY1].flags & ELINK_FLAGS_INIT_XGXS_FIRST) ||
7491 (params->loopback_mode == ELINK_LOOPBACK_EXT_PHY)) {
7492 struct elink_phy *phy = ¶ms->phy[ELINK_INT_PHY];
7493 if (vars->line_speed == ELINK_SPEED_AUTO_NEG &&
7494 (CHIP_IS_E1x(sc) ||
7495 CHIP_IS_E2(sc)))
7496 elink_set_parallel_detection(phy, params);
7497 if (params->phy[ELINK_INT_PHY].config_init)
7498 params->phy[ELINK_INT_PHY].config_init(phy, params,
7499 vars);
7500 }
7501
7502 /* Re-read this value in case it was changed inside config_init due to
7503 * limitations of optic module
7504 */
7505 vars->line_speed = params->phy[ELINK_INT_PHY].req_line_speed;
7506
7507 /* Init external phy*/
7508 if (non_ext_phy) {
7509 if (params->phy[ELINK_INT_PHY].supported &
7510 ELINK_SUPPORTED_FIBRE)
7511 vars->link_status |= LINK_STATUS_SERDES_LINK;
7512 } else {
7513 for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
7514 phy_index++) {
7515 /* No need to initialize second phy in case of first
7516 * phy only selection. In case of second phy, we do
7517 * need to initialize the first phy, since they are
7518 * connected.
7519 */
7520 if (params->phy[phy_index].supported &
7521 ELINK_SUPPORTED_FIBRE)
7522 vars->link_status |= LINK_STATUS_SERDES_LINK;
7523
7524 if (phy_index == ELINK_EXT_PHY2 &&
7525 (elink_phy_selection(params) ==
7526 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
7527 ELINK_DEBUG_P0(sc,
7528 "Not initializing second phy");
7529 continue;
7530 }
7531 params->phy[phy_index].config_init(
7532 ¶ms->phy[phy_index],
7533 params, vars);
7534 }
7535 }
7536 /* Reset the interrupt indication after phy was initialized */
7537 elink_bits_dis(sc, NIG_REG_STATUS_INTERRUPT_PORT0 +
7538 params->port * 4,
7539 (ELINK_NIG_STATUS_XGXS0_LINK10G |
7540 ELINK_NIG_STATUS_XGXS0_LINK_STATUS |
7541 ELINK_NIG_STATUS_SERDES0_LINK_STATUS |
7542 ELINK_NIG_MASK_MI_INT));
7543 return ELINK_STATUS_OK;
7544 }
7545
elink_int_link_reset(__rte_unused struct elink_phy * phy,struct elink_params * params)7546 static void elink_int_link_reset(__rte_unused struct elink_phy *phy,
7547 struct elink_params *params)
7548 {
7549 /* Reset the SerDes/XGXS */
7550 REG_WR(params->sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
7551 (0x1ff << (params->port * 16)));
7552 }
7553
elink_common_ext_link_reset(__rte_unused struct elink_phy * phy,struct elink_params * params)7554 static void elink_common_ext_link_reset(__rte_unused struct elink_phy *phy,
7555 struct elink_params *params)
7556 {
7557 struct bnx2x_softc *sc = params->sc;
7558 uint8_t gpio_port;
7559 /* HW reset */
7560 if (CHIP_IS_E2(sc))
7561 gpio_port = SC_PATH(sc);
7562 else
7563 gpio_port = params->port;
7564 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
7565 MISC_REGISTERS_GPIO_OUTPUT_LOW,
7566 gpio_port);
7567 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
7568 MISC_REGISTERS_GPIO_OUTPUT_LOW,
7569 gpio_port);
7570 ELINK_DEBUG_P0(sc, "reset external PHY");
7571 }
7572
elink_update_link_down(struct elink_params * params,struct elink_vars * vars)7573 static elink_status_t elink_update_link_down(struct elink_params *params,
7574 struct elink_vars *vars)
7575 {
7576 struct bnx2x_softc *sc = params->sc;
7577 uint8_t port = params->port;
7578
7579 ELINK_DEBUG_P1(sc, "Port %x: Link is down", port);
7580 elink_set_led(params, vars, ELINK_LED_MODE_OFF, 0);
7581 vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
7582 /* Indicate no mac active */
7583 vars->mac_type = ELINK_MAC_TYPE_NONE;
7584
7585 /* Update shared memory */
7586 vars->link_status &= ~ELINK_LINK_UPDATE_MASK;
7587 vars->line_speed = 0;
7588 elink_update_mng(params, vars->link_status);
7589
7590 /* Activate nig drain */
7591 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + port * 4, 1);
7592
7593 /* Disable emac */
7594 if (!CHIP_IS_E3(sc))
7595 REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port * 4, 0);
7596
7597 DELAY(1000 * 10);
7598 /* Reset BigMac/Xmac */
7599 if (CHIP_IS_E1x(sc) ||
7600 CHIP_IS_E2(sc))
7601 elink_set_bmac_rx(sc, params->chip_id, params->port, 0);
7602
7603 if (CHIP_IS_E3(sc)) {
7604 /* Prevent LPI Generation by chip */
7605 REG_WR(sc, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
7606 0);
7607 REG_WR(sc, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
7608 0);
7609 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
7610 SHMEM_EEE_ACTIVE_BIT);
7611
7612 elink_update_mng_eee(params, vars->eee_status);
7613 elink_set_xmac_rxtx(params, 0);
7614 elink_set_umac_rxtx(params, 0);
7615 }
7616
7617 return ELINK_STATUS_OK;
7618 }
7619
elink_update_link_up(struct elink_params * params,struct elink_vars * vars,uint8_t link_10g)7620 static elink_status_t elink_update_link_up(struct elink_params *params,
7621 struct elink_vars *vars,
7622 uint8_t link_10g)
7623 {
7624 struct bnx2x_softc *sc = params->sc;
7625 uint8_t phy_idx, port = params->port;
7626 elink_status_t rc = ELINK_STATUS_OK;
7627
7628 vars->link_status |= (LINK_STATUS_LINK_UP |
7629 LINK_STATUS_PHYSICAL_LINK_FLAG);
7630 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
7631
7632 if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)
7633 vars->link_status |=
7634 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
7635
7636 if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX)
7637 vars->link_status |=
7638 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
7639 if (USES_WARPCORE(sc)) {
7640 if (link_10g) {
7641 if (elink_xmac_enable(params, vars, 0) ==
7642 ELINK_STATUS_NO_LINK) {
7643 ELINK_DEBUG_P0(sc, "Found errors on XMAC");
7644 vars->link_up = 0;
7645 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
7646 vars->link_status &= ~LINK_STATUS_LINK_UP;
7647 }
7648 } else
7649 elink_umac_enable(params, vars, 0);
7650 elink_set_led(params, vars,
7651 ELINK_LED_MODE_OPER, vars->line_speed);
7652
7653 if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
7654 (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
7655 ELINK_DEBUG_P0(sc, "Enabling LPI assertion");
7656 REG_WR(sc, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
7657 (params->port << 2), 1);
7658 REG_WR(sc, MISC_REG_CPMU_LP_DR_ENABLE, 1);
7659 REG_WR(sc, MISC_REG_CPMU_LP_MASK_ENT_P0 +
7660 (params->port << 2), 0xfc20);
7661 }
7662 }
7663 if ((CHIP_IS_E1x(sc) ||
7664 CHIP_IS_E2(sc))) {
7665 if (link_10g) {
7666 if (elink_bmac_enable(params, vars, 0, 1) ==
7667 ELINK_STATUS_NO_LINK) {
7668 ELINK_DEBUG_P0(sc, "Found errors on BMAC");
7669 vars->link_up = 0;
7670 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
7671 vars->link_status &= ~LINK_STATUS_LINK_UP;
7672 }
7673
7674 elink_set_led(params, vars,
7675 ELINK_LED_MODE_OPER, ELINK_SPEED_10000);
7676 } else {
7677 rc = elink_emac_program(params, vars);
7678 elink_emac_enable(params, vars, 0);
7679
7680 /* AN complete? */
7681 if ((vars->link_status &
7682 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
7683 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
7684 ELINK_SINGLE_MEDIA_DIRECT(params))
7685 elink_set_gmii_tx_driver(params);
7686 }
7687 }
7688
7689 /* PBF - link up */
7690 if (CHIP_IS_E1x(sc))
7691 rc |= elink_pbf_update(params, vars->flow_ctrl,
7692 vars->line_speed);
7693
7694 /* Disable drain */
7695 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + port * 4, 0);
7696
7697 /* Update shared memory */
7698 elink_update_mng(params, vars->link_status);
7699 elink_update_mng_eee(params, vars->eee_status);
7700 /* Check remote fault */
7701 for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
7702 if (params->phy[phy_idx].flags & ELINK_FLAGS_TX_ERROR_CHECK) {
7703 elink_check_half_open_conn(params, vars, 0);
7704 break;
7705 }
7706 }
7707 DELAY(1000 * 20);
7708 return rc;
7709 }
7710
elink_chng_link_count(struct elink_params * params,uint8_t clear)7711 static void elink_chng_link_count(struct elink_params *params, uint8_t clear)
7712 {
7713 struct bnx2x_softc *sc = params->sc;
7714 uint32_t addr, val;
7715
7716 /* Verify the link_change_count is supported by the MFW */
7717 if (!(SHMEM2_HAS(sc, link_change_count)))
7718 return;
7719
7720 addr = params->shmem2_base +
7721 offsetof(struct shmem2_region, link_change_count[params->port]);
7722 if (clear)
7723 val = 0;
7724 else
7725 val = REG_RD(sc, addr) + 1;
7726 REG_WR(sc, addr, val);
7727 }
7728
7729 /* The elink_link_update function should be called upon link
7730 * interrupt.
7731 * Link is considered up as follows:
7732 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
7733 * to be up
7734 * - SINGLE_MEDIA - The link between the 577xx and the external
7735 * phy (XGXS) need to up as well as the external link of the
7736 * phy (PHY_EXT1)
7737 * - DUAL_MEDIA - The link between the 577xx and the first
7738 * external phy needs to be up, and at least one of the 2
7739 * external phy link must be up.
7740 */
elink_link_update(struct elink_params * params,struct elink_vars * vars)7741 elink_status_t elink_link_update(struct elink_params *params,
7742 struct elink_vars *vars)
7743 {
7744 struct bnx2x_softc *sc = params->sc;
7745 struct elink_vars phy_vars[ELINK_MAX_PHYS];
7746 uint8_t port = params->port;
7747 uint8_t link_10g_plus, phy_index;
7748 uint32_t prev_link_status = vars->link_status;
7749 uint8_t ext_phy_link_up = 0, cur_link_up;
7750 elink_status_t rc = ELINK_STATUS_OK;
7751 uint16_t ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
7752 uint8_t active_external_phy = ELINK_INT_PHY;
7753 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
7754 vars->link_status &= ~ELINK_LINK_UPDATE_MASK;
7755 for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys;
7756 phy_index++) {
7757 phy_vars[phy_index].flow_ctrl = 0;
7758 phy_vars[phy_index].link_status = 0;
7759 phy_vars[phy_index].line_speed = 0;
7760 phy_vars[phy_index].duplex = DUPLEX_FULL;
7761 phy_vars[phy_index].phy_link_up = 0;
7762 phy_vars[phy_index].link_up = 0;
7763 phy_vars[phy_index].fault_detected = 0;
7764 /* different consideration, since vars holds inner state */
7765 phy_vars[phy_index].eee_status = vars->eee_status;
7766 }
7767
7768 if (USES_WARPCORE(sc))
7769 elink_set_aer_mmd(params, ¶ms->phy[ELINK_INT_PHY]);
7770
7771 ELINK_DEBUG_P3(sc, "port %x, XGXS?%x, int_status 0x%x",
7772 port, (vars->phy_flags & PHY_XGXS_FLAG),
7773 REG_RD(sc, NIG_REG_STATUS_INTERRUPT_PORT0 + port * 4));
7774
7775 ELINK_DEBUG_P3(sc, "int_mask 0x%x MI_INT %x, SERDES_LINK %x",
7776 REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 + port * 4),
7777 REG_RD(sc, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port * 0x18) > 0,
7778 REG_RD(sc, NIG_REG_SERDES0_STATUS_LINK_STATUS + port * 0x3c));
7779
7780 ELINK_DEBUG_P2(sc, " 10G %x, XGXS_LINK %x",
7781 REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK10G + port * 0x68),
7782 REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK_STATUS + port * 0x68));
7783
7784 /* Disable emac */
7785 if (!CHIP_IS_E3(sc))
7786 REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port * 4, 0);
7787
7788 /* Step 1:
7789 * Check external link change only for external phys, and apply
7790 * priority selection between them in case the link on both phys
7791 * is up. Note that instead of the common vars, a temporary
7792 * vars argument is used since each phy may have different link/
7793 * speed/duplex result
7794 */
7795 for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
7796 phy_index++) {
7797 struct elink_phy *phy = ¶ms->phy[phy_index];
7798 if (!phy->read_status)
7799 continue;
7800 /* Read link status and params of this ext phy */
7801 cur_link_up = phy->read_status(phy, params,
7802 &phy_vars[phy_index]);
7803 if (cur_link_up) {
7804 ELINK_DEBUG_P1(sc, "phy in index %d link is up",
7805 phy_index);
7806 } else {
7807 ELINK_DEBUG_P1(sc, "phy in index %d link is down",
7808 phy_index);
7809 continue;
7810 }
7811
7812 if (!ext_phy_link_up) {
7813 ext_phy_link_up = 1;
7814 active_external_phy = phy_index;
7815 } else {
7816 switch (elink_phy_selection(params)) {
7817 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
7818 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
7819 /* In this option, the first PHY makes sure to pass the
7820 * traffic through itself only.
7821 * Its not clear how to reset the link on the second phy
7822 */
7823 active_external_phy = ELINK_EXT_PHY1;
7824 break;
7825 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
7826 /* In this option, the first PHY makes sure to pass the
7827 * traffic through the second PHY.
7828 */
7829 active_external_phy = ELINK_EXT_PHY2;
7830 break;
7831 default:
7832 /* Link indication on both PHYs with the following cases
7833 * is invalid:
7834 * - FIRST_PHY means that second phy wasn't initialized,
7835 * hence its link is expected to be down
7836 * - SECOND_PHY means that first phy should not be able
7837 * to link up by itself (using configuration)
7838 * - DEFAULT should be overridden during initialization
7839 */
7840 ELINK_DEBUG_P1(sc, "Invalid link indication"
7841 " mpc=0x%x. DISABLING LINK !!!",
7842 params->multi_phy_config);
7843 ext_phy_link_up = 0;
7844 break;
7845 }
7846 }
7847 }
7848 prev_line_speed = vars->line_speed;
7849 /* Step 2:
7850 * Read the status of the internal phy. In case of
7851 * DIRECT_SINGLE_MEDIA board, this link is the external link,
7852 * otherwise this is the link between the 577xx and the first
7853 * external phy
7854 */
7855 if (params->phy[ELINK_INT_PHY].read_status)
7856 params->phy[ELINK_INT_PHY].read_status(
7857 ¶ms->phy[ELINK_INT_PHY],
7858 params, vars);
7859 /* The INT_PHY flow control reside in the vars. This include the
7860 * case where the speed or flow control are not set to AUTO.
7861 * Otherwise, the active external phy flow control result is set
7862 * to the vars. The ext_phy_line_speed is needed to check if the
7863 * speed is different between the internal phy and external phy.
7864 * This case may be result of intermediate link speed change.
7865 */
7866 if (active_external_phy > ELINK_INT_PHY) {
7867 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
7868 /* Link speed is taken from the XGXS. AN and FC result from
7869 * the external phy.
7870 */
7871 vars->link_status |= phy_vars[active_external_phy].link_status;
7872
7873 /* if active_external_phy is first PHY and link is up - disable
7874 * disable TX on second external PHY
7875 */
7876 if (active_external_phy == ELINK_EXT_PHY1) {
7877 if (params->phy[ELINK_EXT_PHY2].phy_specific_func) {
7878 ELINK_DEBUG_P0(sc,
7879 "Disabling TX on EXT_PHY2");
7880 params->phy[ELINK_EXT_PHY2].phy_specific_func(
7881 ¶ms->phy[ELINK_EXT_PHY2],
7882 params, ELINK_DISABLE_TX);
7883 }
7884 }
7885
7886 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
7887 vars->duplex = phy_vars[active_external_phy].duplex;
7888 if (params->phy[active_external_phy].supported &
7889 ELINK_SUPPORTED_FIBRE)
7890 vars->link_status |= LINK_STATUS_SERDES_LINK;
7891 else
7892 vars->link_status &= ~LINK_STATUS_SERDES_LINK;
7893
7894 vars->eee_status = phy_vars[active_external_phy].eee_status;
7895
7896 ELINK_DEBUG_P1(sc, "Active external phy selected: %x",
7897 active_external_phy);
7898 }
7899
7900 ELINK_DEBUG_P3(sc, "vars : phy_flags = %x, mac_type = %x, phy_link_up = %x",
7901 vars->phy_flags, vars->mac_type, vars->phy_link_up);
7902 ELINK_DEBUG_P3(sc, "vars : link_up = %x, line_speed = %x, duplex = %x",
7903 vars->link_up, vars->line_speed, vars->duplex);
7904 ELINK_DEBUG_P3(sc, "vars : flow_ctrl = %x, ieee_fc = %x, link_status = %x",
7905 vars->flow_ctrl, vars->ieee_fc, vars->link_status);
7906 ELINK_DEBUG_P3(sc, "vars : eee_status = %x, fault_detected = %x, check_kr2_recovery_cnt = %x",
7907 vars->eee_status, vars->fault_detected,
7908 vars->check_kr2_recovery_cnt);
7909 ELINK_DEBUG_P3(sc, "vars : periodic_flags = %x, aeu_int_mask = %x, rx_tx_asic_rst = %x",
7910 vars->periodic_flags, vars->aeu_int_mask,
7911 vars->rx_tx_asic_rst);
7912 ELINK_DEBUG_P2(sc, "vars : turn_to_run_wc_rt = %x, rsrv2 = %x",
7913 vars->turn_to_run_wc_rt, vars->rsrv2);
7914
7915 for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
7916 phy_index++) {
7917 if (params->phy[phy_index].flags &
7918 ELINK_FLAGS_REARM_LATCH_SIGNAL) {
7919 elink_rearm_latch_signal(sc, port,
7920 phy_index ==
7921 active_external_phy);
7922 break;
7923 }
7924 }
7925 ELINK_DEBUG_P3(sc, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
7926 " ext_phy_line_speed = %d", vars->flow_ctrl,
7927 vars->link_status, ext_phy_line_speed);
7928 /* Upon link speed change set the NIG into drain mode. Comes to
7929 * deals with possible FIFO glitch due to clk change when speed
7930 * is decreased without link down indicator
7931 */
7932
7933 if (vars->phy_link_up) {
7934 if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
7935 (ext_phy_line_speed != vars->line_speed)) {
7936 ELINK_DEBUG_P2(sc, "Internal link speed %d is"
7937 " different than the external"
7938 " link speed %d", vars->line_speed,
7939 ext_phy_line_speed);
7940 vars->phy_link_up = 0;
7941 ELINK_DEBUG_P0(sc, "phy_link_up set to 0");
7942 } else if (prev_line_speed != vars->line_speed) {
7943 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE +
7944 params->port * 4, 0);
7945 DELAY(1000 * 1);
7946 }
7947 }
7948
7949 /* Anything 10 and over uses the bmac */
7950 link_10g_plus = (vars->line_speed >= ELINK_SPEED_10000);
7951
7952 elink_link_int_ack(params, vars, link_10g_plus);
7953
7954 /* In case external phy link is up, and internal link is down
7955 * (not initialized yet probably after link initialization, it
7956 * needs to be initialized.
7957 * Note that after link down-up as result of cable plug, the xgxs
7958 * link would probably become up again without the need
7959 * initialize it
7960 */
7961 if (!(ELINK_SINGLE_MEDIA_DIRECT(params))) {
7962 ELINK_DEBUG_P3(sc, "ext_phy_link_up = %d, int_link_up = %d,"
7963 " init_preceding = %d", ext_phy_link_up,
7964 vars->phy_link_up,
7965 params->phy[ELINK_EXT_PHY1].flags &
7966 ELINK_FLAGS_INIT_XGXS_FIRST);
7967 if (!(params->phy[ELINK_EXT_PHY1].flags &
7968 ELINK_FLAGS_INIT_XGXS_FIRST)
7969 && ext_phy_link_up && !vars->phy_link_up) {
7970 vars->line_speed = ext_phy_line_speed;
7971 if (vars->line_speed < ELINK_SPEED_1000)
7972 vars->phy_flags |= PHY_SGMII_FLAG;
7973 else
7974 vars->phy_flags &= ~PHY_SGMII_FLAG;
7975
7976 if (params->phy[ELINK_INT_PHY].config_init)
7977 params->phy[ELINK_INT_PHY].config_init(
7978 ¶ms->phy[ELINK_INT_PHY], params,
7979 vars);
7980 }
7981 }
7982 /* Link is up only if both local phy and external phy (in case of
7983 * non-direct board) are up and no fault detected on active PHY.
7984 */
7985 vars->link_up = (vars->phy_link_up &&
7986 (ext_phy_link_up ||
7987 ELINK_SINGLE_MEDIA_DIRECT(params)) &&
7988 (phy_vars[active_external_phy].fault_detected == 0));
7989
7990 if (vars->link_up)
7991 ELINK_DEBUG_P0(sc, "local phy and external phy are up");
7992 else
7993 ELINK_DEBUG_P0(sc, "either local phy or external phy or both are down");
7994
7995 /* Update the PFC configuration in case it was changed */
7996 if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
7997 vars->link_status |= LINK_STATUS_PFC_ENABLED;
7998 else
7999 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
8000
8001 if (vars->link_up)
8002 rc = elink_update_link_up(params, vars, link_10g_plus);
8003 else
8004 rc = elink_update_link_down(params, vars);
8005
8006 if ((prev_link_status ^ vars->link_status) & LINK_STATUS_LINK_UP)
8007 elink_chng_link_count(params, 0);
8008
8009 /* Update MCP link status was changed */
8010 if (params->feature_config_flags &
8011 ELINK_FEATURE_CONFIG_BC_SUPPORTS_AFEX)
8012 elink_cb_fw_command(sc, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
8013
8014 return rc;
8015 }
8016
8017 /*****************************************************************************/
8018 /* External Phy section */
8019 /*****************************************************************************/
elink_ext_phy_hw_reset(struct bnx2x_softc * sc,uint8_t port)8020 void elink_ext_phy_hw_reset(struct bnx2x_softc *sc, uint8_t port)
8021 {
8022 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
8023 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
8024 DELAY(1000 * 1);
8025 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
8026 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
8027 }
8028
elink_save_spirom_version(struct bnx2x_softc * sc,uint8_t port,uint32_t spirom_ver,uint32_t ver_addr)8029 static void elink_save_spirom_version(struct bnx2x_softc *sc, uint8_t port,
8030 uint32_t spirom_ver, uint32_t ver_addr)
8031 {
8032 ELINK_DEBUG_P3(sc, "FW version 0x%x:0x%x for port %d",
8033 (uint16_t)(spirom_ver >> 16), (uint16_t)spirom_ver, port);
8034
8035 if (ver_addr)
8036 REG_WR(sc, ver_addr, spirom_ver);
8037 }
8038
elink_save_bnx2x_spirom_ver(struct bnx2x_softc * sc,struct elink_phy * phy,uint8_t port)8039 static void elink_save_bnx2x_spirom_ver(struct bnx2x_softc *sc,
8040 struct elink_phy *phy,
8041 uint8_t port)
8042 {
8043 uint16_t fw_ver1, fw_ver2;
8044
8045 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
8046 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
8047 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
8048 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
8049 elink_save_spirom_version(sc, port, (uint32_t)(fw_ver1 << 16 | fw_ver2),
8050 phy->ver_addr);
8051 }
8052
elink_ext_phy_10G_an_resolve(struct bnx2x_softc * sc,struct elink_phy * phy,struct elink_vars * vars)8053 static void elink_ext_phy_10G_an_resolve(struct bnx2x_softc *sc,
8054 struct elink_phy *phy,
8055 struct elink_vars *vars)
8056 {
8057 uint16_t val;
8058 elink_cl45_read(sc, phy,
8059 MDIO_AN_DEVAD,
8060 MDIO_AN_REG_STATUS, &val);
8061 elink_cl45_read(sc, phy,
8062 MDIO_AN_DEVAD,
8063 MDIO_AN_REG_STATUS, &val);
8064 if (val & (1 << 5))
8065 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
8066 if ((val & (1 << 0)) == 0)
8067 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
8068 }
8069
8070 /******************************************************************/
8071 /* common BNX2X8073/BNX2X8727 PHY SECTION */
8072 /******************************************************************/
elink_8073_resolve_fc(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)8073 static void elink_8073_resolve_fc(struct elink_phy *phy,
8074 struct elink_params *params,
8075 struct elink_vars *vars)
8076 {
8077 struct bnx2x_softc *sc = params->sc;
8078 if (phy->req_line_speed == ELINK_SPEED_10 ||
8079 phy->req_line_speed == ELINK_SPEED_100) {
8080 vars->flow_ctrl = phy->req_flow_ctrl;
8081 return;
8082 }
8083
8084 if (elink_ext_phy_resolve_fc(phy, params, vars) &&
8085 (vars->flow_ctrl == ELINK_FLOW_CTRL_NONE)) {
8086 uint16_t pause_result;
8087 uint16_t ld_pause; /* local */
8088 uint16_t lp_pause; /* link partner */
8089 elink_cl45_read(sc, phy,
8090 MDIO_AN_DEVAD,
8091 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
8092
8093 elink_cl45_read(sc, phy,
8094 MDIO_AN_DEVAD,
8095 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
8096 pause_result = (ld_pause &
8097 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
8098 pause_result |= (lp_pause &
8099 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
8100
8101 elink_pause_resolve(phy, params, vars, pause_result);
8102 ELINK_DEBUG_P1(sc, "Ext PHY CL37 pause result 0x%x",
8103 pause_result);
8104 }
8105 }
elink_8073_8727_external_rom_boot(struct bnx2x_softc * sc,struct elink_phy * phy,uint8_t port)8106 static elink_status_t elink_8073_8727_external_rom_boot(struct bnx2x_softc *sc,
8107 struct elink_phy *phy,
8108 uint8_t port)
8109 {
8110 uint32_t count = 0;
8111 uint16_t fw_ver1 = 0, fw_msgout;
8112 elink_status_t rc = ELINK_STATUS_OK;
8113
8114 /* Boot port from external ROM */
8115 /* EDC grst */
8116 elink_cl45_write(sc, phy,
8117 MDIO_PMA_DEVAD,
8118 MDIO_PMA_REG_GEN_CTRL,
8119 0x0001);
8120
8121 /* Ucode reboot and rst */
8122 elink_cl45_write(sc, phy,
8123 MDIO_PMA_DEVAD,
8124 MDIO_PMA_REG_GEN_CTRL,
8125 0x008c);
8126
8127 elink_cl45_write(sc, phy,
8128 MDIO_PMA_DEVAD,
8129 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
8130
8131 /* Reset internal microprocessor */
8132 elink_cl45_write(sc, phy,
8133 MDIO_PMA_DEVAD,
8134 MDIO_PMA_REG_GEN_CTRL,
8135 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
8136
8137 /* Release srst bit */
8138 elink_cl45_write(sc, phy,
8139 MDIO_PMA_DEVAD,
8140 MDIO_PMA_REG_GEN_CTRL,
8141 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
8142
8143 /* Delay 100ms per the PHY specifications */
8144 DELAY(1000 * 100);
8145
8146 /* 8073 sometimes taking longer to download */
8147 do {
8148 count++;
8149 if (count > 300) {
8150 ELINK_DEBUG_P2(sc,
8151 "elink_8073_8727_external_rom_boot port %x:"
8152 "Download failed. fw version = 0x%x",
8153 port, fw_ver1);
8154 rc = ELINK_STATUS_ERROR;
8155 break;
8156 }
8157
8158 elink_cl45_read(sc, phy,
8159 MDIO_PMA_DEVAD,
8160 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
8161 elink_cl45_read(sc, phy,
8162 MDIO_PMA_DEVAD,
8163 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
8164
8165 DELAY(1000 * 1);
8166 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
8167 ((fw_msgout & 0xff) != 0x03 && (phy->type ==
8168 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8073)));
8169
8170 /* Clear ser_boot_ctl bit */
8171 elink_cl45_write(sc, phy,
8172 MDIO_PMA_DEVAD,
8173 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
8174 elink_save_bnx2x_spirom_ver(sc, phy, port);
8175
8176 ELINK_DEBUG_P2(sc,
8177 "elink_8073_8727_external_rom_boot port %x:"
8178 "Download complete. fw version = 0x%x",
8179 port, fw_ver1);
8180
8181 return rc;
8182 }
8183
8184 /******************************************************************/
8185 /* BNX2X8073 PHY SECTION */
8186 /******************************************************************/
elink_8073_is_snr_needed(struct bnx2x_softc * sc,struct elink_phy * phy)8187 static elink_status_t elink_8073_is_snr_needed(struct bnx2x_softc *sc,
8188 struct elink_phy *phy)
8189 {
8190 /* This is only required for 8073A1, version 102 only */
8191 uint16_t val;
8192
8193 /* Read 8073 HW revision*/
8194 elink_cl45_read(sc, phy,
8195 MDIO_PMA_DEVAD,
8196 MDIO_PMA_REG_8073_CHIP_REV, &val);
8197
8198 if (val != 1) {
8199 /* No need to workaround in 8073 A1 */
8200 return ELINK_STATUS_OK;
8201 }
8202
8203 elink_cl45_read(sc, phy,
8204 MDIO_PMA_DEVAD,
8205 MDIO_PMA_REG_ROM_VER2, &val);
8206
8207 /* SNR should be applied only for version 0x102 */
8208 if (val != 0x102)
8209 return ELINK_STATUS_OK;
8210
8211 return 1;
8212 }
8213
elink_8073_xaui_wa(struct bnx2x_softc * sc,struct elink_phy * phy)8214 static elink_status_t elink_8073_xaui_wa(struct bnx2x_softc *sc,
8215 struct elink_phy *phy)
8216 {
8217 uint16_t val, cnt, cnt1;
8218
8219 elink_cl45_read(sc, phy,
8220 MDIO_PMA_DEVAD,
8221 MDIO_PMA_REG_8073_CHIP_REV, &val);
8222
8223 if (val > 0) {
8224 /* No need to workaround in 8073 A1 */
8225 return ELINK_STATUS_OK;
8226 }
8227 /* XAUI workaround in 8073 A0: */
8228
8229 /* After loading the boot ROM and restarting Autoneg, poll
8230 * Dev1, Reg $C820:
8231 */
8232
8233 for (cnt = 0; cnt < 1000; cnt++) {
8234 elink_cl45_read(sc, phy,
8235 MDIO_PMA_DEVAD,
8236 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
8237 &val);
8238 /* If bit [14] = 0 or bit [13] = 0, continue on with
8239 * system initialization (XAUI work-around not required, as
8240 * these bits indicate 2.5G or 1G link up).
8241 */
8242 if (!(val & (1 << 14)) || !(val & (1 << 13))) {
8243 ELINK_DEBUG_P0(sc, "XAUI work-around not required");
8244 return ELINK_STATUS_OK;
8245 } else if (!(val & (1 << 15))) {
8246 ELINK_DEBUG_P0(sc, "bit 15 went off");
8247 /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
8248 * MSB (bit15) goes to 1 (indicating that the XAUI
8249 * workaround has completed), then continue on with
8250 * system initialization.
8251 */
8252 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
8253 elink_cl45_read(sc, phy,
8254 MDIO_PMA_DEVAD,
8255 MDIO_PMA_REG_8073_XAUI_WA, &val);
8256 if (val & (1 << 15)) {
8257 ELINK_DEBUG_P0(sc,
8258 "XAUI workaround has completed");
8259 return ELINK_STATUS_OK;
8260 }
8261 DELAY(1000 * 3);
8262 }
8263 break;
8264 }
8265 DELAY(1000 * 3);
8266 }
8267 ELINK_DEBUG_P0(sc, "Warning: XAUI work-around timeout !!!");
8268 return ELINK_STATUS_ERROR;
8269 }
8270
elink_807x_force_10G(struct bnx2x_softc * sc,struct elink_phy * phy)8271 static void elink_807x_force_10G(struct bnx2x_softc *sc, struct elink_phy *phy)
8272 {
8273 /* Force KR or KX */
8274 elink_cl45_write(sc, phy,
8275 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
8276 elink_cl45_write(sc, phy,
8277 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
8278 elink_cl45_write(sc, phy,
8279 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
8280 elink_cl45_write(sc, phy,
8281 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
8282 }
8283
elink_8073_set_pause_cl37(struct elink_params * params,struct elink_phy * phy,struct elink_vars * vars)8284 static void elink_8073_set_pause_cl37(struct elink_params *params,
8285 struct elink_phy *phy,
8286 struct elink_vars *vars)
8287 {
8288 uint16_t cl37_val;
8289 struct bnx2x_softc *sc = params->sc;
8290 elink_cl45_read(sc, phy,
8291 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
8292
8293 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
8294 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
8295 elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
8296 if ((vars->ieee_fc &
8297 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
8298 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
8299 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
8300 }
8301 if ((vars->ieee_fc &
8302 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
8303 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
8304 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
8305 }
8306 if ((vars->ieee_fc &
8307 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
8308 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
8309 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
8310 }
8311 ELINK_DEBUG_P1(sc,
8312 "Ext phy AN advertize cl37 0x%x", cl37_val);
8313
8314 elink_cl45_write(sc, phy,
8315 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
8316 DELAY(1000 * 500);
8317 }
8318
elink_8073_specific_func(struct elink_phy * phy,struct elink_params * params,uint32_t action)8319 static void elink_8073_specific_func(struct elink_phy *phy,
8320 struct elink_params *params,
8321 uint32_t action)
8322 {
8323 struct bnx2x_softc *sc = params->sc;
8324 switch (action) {
8325 case ELINK_PHY_INIT:
8326 /* Enable LASI */
8327 elink_cl45_write(sc, phy,
8328 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8329 (1 << 2));
8330 elink_cl45_write(sc, phy,
8331 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
8332 break;
8333 }
8334 }
8335
elink_8073_config_init(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)8336 static uint8_t elink_8073_config_init(struct elink_phy *phy,
8337 struct elink_params *params,
8338 struct elink_vars *vars)
8339 {
8340 struct bnx2x_softc *sc = params->sc;
8341 uint16_t val = 0, tmp1;
8342 uint8_t gpio_port;
8343 ELINK_DEBUG_P0(sc, "Init 8073");
8344
8345 if (CHIP_IS_E2(sc))
8346 gpio_port = SC_PATH(sc);
8347 else
8348 gpio_port = params->port;
8349 /* Restore normal power mode*/
8350 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
8351 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
8352
8353 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
8354 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
8355
8356 elink_8073_specific_func(phy, params, ELINK_PHY_INIT);
8357 elink_8073_set_pause_cl37(params, phy, vars);
8358
8359 elink_cl45_read(sc, phy,
8360 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
8361
8362 elink_cl45_read(sc, phy,
8363 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
8364
8365 ELINK_DEBUG_P1(sc, "Before rom RX_ALARM(port1): 0x%x", tmp1);
8366
8367 /* Swap polarity if required - Must be done only in non-1G mode */
8368 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
8369 /* Configure the 8073 to swap _P and _N of the KR lines */
8370 ELINK_DEBUG_P0(sc, "Swapping polarity for the 8073");
8371 /* 10G Rx/Tx and 1G Tx signal polarity swap */
8372 elink_cl45_read(sc, phy,
8373 MDIO_PMA_DEVAD,
8374 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
8375 elink_cl45_write(sc, phy,
8376 MDIO_PMA_DEVAD,
8377 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
8378 (val | (3 << 9)));
8379 }
8380
8381
8382 /* Enable CL37 BAM */
8383 if (REG_RD(sc, params->shmem_base +
8384 offsetof(struct shmem_region, dev_info.
8385 port_hw_config[params->port].default_cfg)) &
8386 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
8387
8388 elink_cl45_read(sc, phy,
8389 MDIO_AN_DEVAD,
8390 MDIO_AN_REG_8073_BAM, &val);
8391 elink_cl45_write(sc, phy,
8392 MDIO_AN_DEVAD,
8393 MDIO_AN_REG_8073_BAM, val | 1);
8394 ELINK_DEBUG_P0(sc, "Enable CL37 BAM on KR");
8395 }
8396 if (params->loopback_mode == ELINK_LOOPBACK_EXT) {
8397 elink_807x_force_10G(sc, phy);
8398 ELINK_DEBUG_P0(sc, "Forced speed 10G on 807X");
8399 return ELINK_STATUS_OK;
8400 } else {
8401 elink_cl45_write(sc, phy,
8402 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
8403 }
8404 if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG) {
8405 if (phy->req_line_speed == ELINK_SPEED_10000) {
8406 val = (1 << 7);
8407 } else if (phy->req_line_speed == ELINK_SPEED_2500) {
8408 val = (1 << 5);
8409 /* Note that 2.5G works only when used with 1G
8410 * advertisement
8411 */
8412 } else
8413 val = (1 << 5);
8414 } else {
8415 val = 0;
8416 if (phy->speed_cap_mask &
8417 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
8418 val |= (1 << 7);
8419
8420 /* Note that 2.5G works only when used with 1G advertisement */
8421 if (phy->speed_cap_mask &
8422 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
8423 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
8424 val |= (1 << 5);
8425 ELINK_DEBUG_P1(sc, "807x autoneg val = 0x%x", val);
8426 }
8427
8428 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
8429 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
8430
8431 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
8432 (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)) ||
8433 (phy->req_line_speed == ELINK_SPEED_2500)) {
8434 uint16_t phy_ver;
8435 /* Allow 2.5G for A1 and above */
8436 elink_cl45_read(sc, phy,
8437 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
8438 &phy_ver);
8439 ELINK_DEBUG_P0(sc, "Add 2.5G");
8440 if (phy_ver > 0)
8441 tmp1 |= 1;
8442 else
8443 tmp1 &= 0xfffe;
8444 } else {
8445 ELINK_DEBUG_P0(sc, "Disable 2.5G");
8446 tmp1 &= 0xfffe;
8447 }
8448
8449 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
8450 /* Add support for CL37 (passive mode) II */
8451
8452 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
8453 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
8454 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
8455 0x20 : 0x40)));
8456
8457 /* Add support for CL37 (passive mode) III */
8458 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8459
8460 /* The SNR will improve about 2db by changing BW and FEE main
8461 * tap. Rest commands are executed after link is up
8462 * Change FFE main cursor to 5 in EDC register
8463 */
8464 if (elink_8073_is_snr_needed(sc, phy))
8465 elink_cl45_write(sc, phy,
8466 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
8467 0xFB0C);
8468
8469 /* Enable FEC (Forware Error Correction) Request in the AN */
8470 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
8471 tmp1 |= (1 << 15);
8472 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
8473
8474 elink_ext_phy_set_pause(params, phy, vars);
8475
8476 /* Restart autoneg */
8477 DELAY(1000 * 500);
8478 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8479 ELINK_DEBUG_P2(sc, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x",
8480 ((val & (1 << 5)) > 0), ((val & (1 << 7)) > 0));
8481 return ELINK_STATUS_OK;
8482 }
8483
elink_8073_read_status(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)8484 static uint8_t elink_8073_read_status(struct elink_phy *phy,
8485 struct elink_params *params,
8486 struct elink_vars *vars)
8487 {
8488 struct bnx2x_softc *sc = params->sc;
8489 uint8_t link_up = 0;
8490 uint16_t val1, val2;
8491 uint16_t link_status = 0;
8492 uint16_t an1000_status = 0;
8493
8494 elink_cl45_read(sc, phy,
8495 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
8496
8497 ELINK_DEBUG_P1(sc, "8703 LASI status 0x%x", val1);
8498
8499 /* Clear the interrupt LASI status register */
8500 elink_cl45_read(sc, phy,
8501 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
8502 elink_cl45_read(sc, phy,
8503 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
8504 ELINK_DEBUG_P2(sc, "807x PCS status 0x%x->0x%x", val2, val1);
8505 /* Clear MSG-OUT */
8506 elink_cl45_read(sc, phy,
8507 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
8508
8509 /* Check the LASI */
8510 elink_cl45_read(sc, phy,
8511 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8512
8513 ELINK_DEBUG_P1(sc, "KR 0x9003 0x%x", val2);
8514
8515 /* Check the link status */
8516 elink_cl45_read(sc, phy,
8517 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
8518 ELINK_DEBUG_P1(sc, "KR PCS status 0x%x", val2);
8519
8520 elink_cl45_read(sc, phy,
8521 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
8522 elink_cl45_read(sc, phy,
8523 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
8524 link_up = ((val1 & 4) == 4);
8525 ELINK_DEBUG_P1(sc, "PMA_REG_STATUS=0x%x", val1);
8526
8527 if (link_up &&
8528 ((phy->req_line_speed != ELINK_SPEED_10000))) {
8529 if (elink_8073_xaui_wa(sc, phy) != 0)
8530 return 0;
8531 }
8532 elink_cl45_read(sc, phy,
8533 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
8534 elink_cl45_read(sc, phy,
8535 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
8536
8537 /* Check the link status on 1.1.2 */
8538 elink_cl45_read(sc, phy,
8539 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
8540 elink_cl45_read(sc, phy,
8541 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
8542 ELINK_DEBUG_P3(sc, "KR PMA status 0x%x->0x%x,"
8543 "an_link_status=0x%x", val2, val1, an1000_status);
8544
8545 link_up = (((val1 & 4) == 4) || (an1000_status & (1 << 1)));
8546 if (link_up && elink_8073_is_snr_needed(sc, phy)) {
8547 /* The SNR will improve about 2dbby changing the BW and FEE main
8548 * tap. The 1st write to change FFE main tap is set before
8549 * restart AN. Change PLL Bandwidth in EDC register
8550 */
8551 elink_cl45_write(sc, phy,
8552 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
8553 0x26BC);
8554
8555 /* Change CDR Bandwidth in EDC register */
8556 elink_cl45_write(sc, phy,
8557 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
8558 0x0333);
8559 }
8560 elink_cl45_read(sc, phy,
8561 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
8562 &link_status);
8563
8564 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
8565 if ((link_status & (1 << 2)) && (!(link_status & (1 << 15)))) {
8566 link_up = 1;
8567 vars->line_speed = ELINK_SPEED_10000;
8568 ELINK_DEBUG_P1(sc, "port %x: External link up in 10G",
8569 params->port);
8570 } else if ((link_status & (1 << 1)) && (!(link_status & (1 << 14)))) {
8571 link_up = 1;
8572 vars->line_speed = ELINK_SPEED_2500;
8573 ELINK_DEBUG_P1(sc, "port %x: External link up in 2.5G",
8574 params->port);
8575 } else if ((link_status & (1 << 0)) && (!(link_status & (1 << 13)))) {
8576 link_up = 1;
8577 vars->line_speed = ELINK_SPEED_1000;
8578 ELINK_DEBUG_P1(sc, "port %x: External link up in 1G",
8579 params->port);
8580 } else {
8581 link_up = 0;
8582 ELINK_DEBUG_P1(sc, "port %x: External link is down",
8583 params->port);
8584 }
8585
8586 if (link_up) {
8587 /* Swap polarity if required */
8588 if (params->lane_config &
8589 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
8590 /* Configure the 8073 to swap P and N of the KR lines */
8591 elink_cl45_read(sc, phy,
8592 MDIO_XS_DEVAD,
8593 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
8594 /* Set bit 3 to invert Rx in 1G mode and clear this bit
8595 * when it`s in 10G mode.
8596 */
8597 if (vars->line_speed == ELINK_SPEED_1000) {
8598 ELINK_DEBUG_P0(sc, "Swapping 1G polarity for"
8599 " the 8073");
8600 val1 |= (1 << 3);
8601 } else
8602 val1 &= ~(1 << 3);
8603
8604 elink_cl45_write(sc, phy,
8605 MDIO_XS_DEVAD,
8606 MDIO_XS_REG_8073_RX_CTRL_PCIE,
8607 val1);
8608 }
8609 elink_ext_phy_10G_an_resolve(sc, phy, vars);
8610 elink_8073_resolve_fc(phy, params, vars);
8611 vars->duplex = DUPLEX_FULL;
8612 }
8613
8614 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
8615 elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
8616 MDIO_AN_REG_LP_AUTO_NEG2, &val1);
8617
8618 if (val1 & (1 << 5))
8619 vars->link_status |=
8620 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
8621 if (val1 & (1 << 7))
8622 vars->link_status |=
8623 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
8624 }
8625
8626 return link_up;
8627 }
8628
elink_8073_link_reset(__rte_unused struct elink_phy * phy,struct elink_params * params)8629 static void elink_8073_link_reset(__rte_unused struct elink_phy *phy,
8630 struct elink_params *params)
8631 {
8632 struct bnx2x_softc *sc = params->sc;
8633 uint8_t gpio_port;
8634 if (CHIP_IS_E2(sc))
8635 gpio_port = SC_PATH(sc);
8636 else
8637 gpio_port = params->port;
8638 ELINK_DEBUG_P1(sc, "Setting 8073 port %d into low power mode",
8639 gpio_port);
8640 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
8641 MISC_REGISTERS_GPIO_OUTPUT_LOW,
8642 gpio_port);
8643 }
8644
8645 /******************************************************************/
8646 /* BNX2X8705 PHY SECTION */
8647 /******************************************************************/
elink_8705_config_init(struct elink_phy * phy,struct elink_params * params,__rte_unused struct elink_vars * vars)8648 static uint8_t elink_8705_config_init(struct elink_phy *phy,
8649 struct elink_params *params,
8650 __rte_unused struct elink_vars *vars)
8651 {
8652 struct bnx2x_softc *sc = params->sc;
8653 ELINK_DEBUG_P0(sc, "init 8705");
8654 /* Restore normal power mode*/
8655 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
8656 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
8657 /* HW reset */
8658 elink_ext_phy_hw_reset(sc, params->port);
8659 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8660 elink_wait_reset_complete(sc, phy, params);
8661
8662 elink_cl45_write(sc, phy,
8663 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
8664 elink_cl45_write(sc, phy,
8665 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
8666 elink_cl45_write(sc, phy,
8667 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
8668 elink_cl45_write(sc, phy,
8669 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
8670 /* BNX2X8705 doesn't have microcode, hence the 0 */
8671 elink_save_spirom_version(sc, params->port, params->shmem_base, 0);
8672 return ELINK_STATUS_OK;
8673 }
8674
elink_8705_read_status(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)8675 static uint8_t elink_8705_read_status(struct elink_phy *phy,
8676 struct elink_params *params,
8677 struct elink_vars *vars)
8678 {
8679 uint8_t link_up = 0;
8680 uint16_t val1, rx_sd;
8681 struct bnx2x_softc *sc = params->sc;
8682 ELINK_DEBUG_P0(sc, "read status 8705");
8683 elink_cl45_read(sc, phy,
8684 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
8685 ELINK_DEBUG_P1(sc, "8705 LASI status 0x%x", val1);
8686
8687 elink_cl45_read(sc, phy,
8688 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
8689 ELINK_DEBUG_P1(sc, "8705 LASI status 0x%x", val1);
8690
8691 elink_cl45_read(sc, phy,
8692 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8693
8694 elink_cl45_read(sc, phy,
8695 MDIO_PMA_DEVAD, 0xc809, &val1);
8696 elink_cl45_read(sc, phy,
8697 MDIO_PMA_DEVAD, 0xc809, &val1);
8698
8699 ELINK_DEBUG_P1(sc, "8705 1.c809 val=0x%x", val1);
8700 link_up = ((rx_sd & 0x1) && (val1 & (1 << 9)) &&
8701 ((val1 & (1 << 8)) == 0));
8702 if (link_up) {
8703 vars->line_speed = ELINK_SPEED_10000;
8704 elink_ext_phy_resolve_fc(phy, params, vars);
8705 }
8706 return link_up;
8707 }
8708
8709 /******************************************************************/
8710 /* SFP+ module Section */
8711 /******************************************************************/
elink_set_disable_pmd_transmit(struct elink_params * params,struct elink_phy * phy,uint8_t pmd_dis)8712 static void elink_set_disable_pmd_transmit(struct elink_params *params,
8713 struct elink_phy *phy,
8714 uint8_t pmd_dis)
8715 {
8716 struct bnx2x_softc *sc = params->sc;
8717 /* Disable transmitter only for bootcodes which can enable it afterwards
8718 * (for D3 link)
8719 */
8720 if (pmd_dis) {
8721 if (params->feature_config_flags &
8722 ELINK_FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED) {
8723 ELINK_DEBUG_P0(sc, "Disabling PMD transmitter");
8724 } else {
8725 ELINK_DEBUG_P0(sc, "NOT disabling PMD transmitter");
8726 return;
8727 }
8728 } else
8729 ELINK_DEBUG_P0(sc, "Enabling PMD transmitter");
8730 elink_cl45_write(sc, phy,
8731 MDIO_PMA_DEVAD,
8732 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
8733 }
8734
elink_get_gpio_port(struct elink_params * params)8735 static uint8_t elink_get_gpio_port(struct elink_params *params)
8736 {
8737 uint8_t gpio_port;
8738 uint32_t swap_val, swap_override;
8739 struct bnx2x_softc *sc = params->sc;
8740 if (CHIP_IS_E2(sc))
8741 gpio_port = SC_PATH(sc);
8742 else
8743 gpio_port = params->port;
8744 swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
8745 swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
8746 return gpio_port ^ (swap_val && swap_override);
8747 }
8748
elink_sfp_e1e2_set_transmitter(struct elink_params * params,struct elink_phy * phy,uint8_t tx_en)8749 static void elink_sfp_e1e2_set_transmitter(struct elink_params *params,
8750 struct elink_phy *phy,
8751 uint8_t tx_en)
8752 {
8753 uint16_t val;
8754 uint8_t port = params->port;
8755 struct bnx2x_softc *sc = params->sc;
8756 uint32_t tx_en_mode;
8757
8758 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
8759 tx_en_mode = REG_RD(sc, params->shmem_base +
8760 offsetof(struct shmem_region,
8761 dev_info.port_hw_config[port].sfp_ctrl)) &
8762 PORT_HW_CFG_TX_LASER_MASK;
8763 ELINK_DEBUG_P3(sc, "Setting transmitter tx_en=%x for port %x "
8764 "mode = %x", tx_en, port, tx_en_mode);
8765 switch (tx_en_mode) {
8766 case PORT_HW_CFG_TX_LASER_MDIO:
8767
8768 elink_cl45_read(sc, phy,
8769 MDIO_PMA_DEVAD,
8770 MDIO_PMA_REG_PHY_IDENTIFIER,
8771 &val);
8772
8773 if (tx_en)
8774 val &= ~(1 << 15);
8775 else
8776 val |= (1 << 15);
8777
8778 elink_cl45_write(sc, phy,
8779 MDIO_PMA_DEVAD,
8780 MDIO_PMA_REG_PHY_IDENTIFIER,
8781 val);
8782 break;
8783 case PORT_HW_CFG_TX_LASER_GPIO0:
8784 case PORT_HW_CFG_TX_LASER_GPIO1:
8785 case PORT_HW_CFG_TX_LASER_GPIO2:
8786 case PORT_HW_CFG_TX_LASER_GPIO3:
8787 {
8788 uint16_t gpio_pin;
8789 uint8_t gpio_port, gpio_mode;
8790 if (tx_en)
8791 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
8792 else
8793 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
8794
8795 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
8796 gpio_port = elink_get_gpio_port(params);
8797 elink_cb_gpio_write(sc, gpio_pin, gpio_mode, gpio_port);
8798 break;
8799 }
8800 default:
8801 ELINK_DEBUG_P1(sc, "Invalid TX_LASER_MDIO 0x%x", tx_en_mode);
8802 break;
8803 }
8804 }
8805
elink_sfp_set_transmitter(struct elink_params * params,struct elink_phy * phy,uint8_t tx_en)8806 static void elink_sfp_set_transmitter(struct elink_params *params,
8807 struct elink_phy *phy,
8808 uint8_t tx_en)
8809 {
8810 struct bnx2x_softc *sc = params->sc;
8811 ELINK_DEBUG_P1(sc, "Setting SFP+ transmitter to %d", tx_en);
8812 if (CHIP_IS_E3(sc))
8813 elink_sfp_e3_set_transmitter(params, phy, tx_en);
8814 else
8815 elink_sfp_e1e2_set_transmitter(params, phy, tx_en);
8816 }
8817
elink_8726_read_sfp_module_eeprom(struct elink_phy * phy,struct elink_params * params,uint8_t dev_addr,uint16_t addr,uint8_t byte_cnt,uint8_t * o_buf,__rte_unused uint8_t is_init)8818 static elink_status_t elink_8726_read_sfp_module_eeprom(struct elink_phy *phy,
8819 struct elink_params *params,
8820 uint8_t dev_addr, uint16_t addr,
8821 uint8_t byte_cnt,
8822 uint8_t *o_buf, __rte_unused uint8_t is_init)
8823 {
8824 struct bnx2x_softc *sc = params->sc;
8825 uint16_t val = 0;
8826 uint16_t i;
8827 if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) {
8828 ELINK_DEBUG_P0(sc,
8829 "Reading from eeprom is limited to 0xf");
8830 return ELINK_STATUS_ERROR;
8831 }
8832 /* Set the read command byte count */
8833 elink_cl45_write(sc, phy,
8834 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
8835 (byte_cnt | (dev_addr << 8)));
8836
8837 /* Set the read command address */
8838 elink_cl45_write(sc, phy,
8839 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
8840 addr);
8841
8842 /* Activate read command */
8843 elink_cl45_write(sc, phy,
8844 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8845 0x2c0f);
8846
8847 /* Wait up to 500us for command complete status */
8848 for (i = 0; i < 100; i++) {
8849 elink_cl45_read(sc, phy,
8850 MDIO_PMA_DEVAD,
8851 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8852 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8853 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
8854 break;
8855 DELAY(5);
8856 }
8857
8858 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
8859 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
8860 ELINK_DEBUG_P1(sc,
8861 "Got bad status 0x%x when reading from SFP+ EEPROM",
8862 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
8863 return ELINK_STATUS_ERROR;
8864 }
8865
8866 /* Read the buffer */
8867 for (i = 0; i < byte_cnt; i++) {
8868 elink_cl45_read(sc, phy,
8869 MDIO_PMA_DEVAD,
8870 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
8871 o_buf[i] = (uint8_t)
8872 (val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
8873 }
8874
8875 for (i = 0; i < 100; i++) {
8876 elink_cl45_read(sc, phy,
8877 MDIO_PMA_DEVAD,
8878 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8879 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8880 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
8881 return ELINK_STATUS_OK;
8882 DELAY(1000 * 1);
8883 }
8884 return ELINK_STATUS_ERROR;
8885 }
8886
elink_warpcore_power_module(struct elink_params * params,uint8_t power)8887 static void elink_warpcore_power_module(struct elink_params *params,
8888 uint8_t power)
8889 {
8890 uint32_t pin_cfg;
8891 struct bnx2x_softc *sc = params->sc;
8892
8893 pin_cfg = (REG_RD(sc, params->shmem_base +
8894 offsetof(struct shmem_region,
8895 dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
8896 PORT_HW_CFG_E3_PWR_DIS_MASK) >>
8897 PORT_HW_CFG_E3_PWR_DIS_SHIFT;
8898
8899 if (pin_cfg == PIN_CFG_NA)
8900 return;
8901 ELINK_DEBUG_P2(sc, "Setting SFP+ module power to %d using pin cfg %d",
8902 power, pin_cfg);
8903 /* Low ==> corresponding SFP+ module is powered
8904 * high ==> the SFP+ module is powered down
8905 */
8906 elink_set_cfg_pin(sc, pin_cfg, power ^ 1);
8907 }
elink_warpcore_read_sfp_module_eeprom(__rte_unused struct elink_phy * phy,struct elink_params * params,uint8_t dev_addr,uint16_t addr,uint8_t byte_cnt,uint8_t * o_buf,uint8_t is_init)8908 static elink_status_t elink_warpcore_read_sfp_module_eeprom(
8909 __rte_unused struct elink_phy *phy,
8910 struct elink_params *params,
8911 uint8_t dev_addr,
8912 uint16_t addr,
8913 uint8_t byte_cnt,
8914 uint8_t *o_buf,
8915 uint8_t is_init)
8916 {
8917 elink_status_t rc = ELINK_STATUS_OK;
8918 uint8_t i, j = 0, cnt = 0;
8919 uint32_t data_array[4];
8920 uint16_t addr32;
8921 struct bnx2x_softc *sc = params->sc;
8922
8923 if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) {
8924 ELINK_DEBUG_P0(sc,
8925 "Reading from eeprom is limited to 16 bytes");
8926 return ELINK_STATUS_ERROR;
8927 }
8928
8929 /* 4 byte aligned address */
8930 addr32 = addr & (~0x3);
8931 do {
8932 if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
8933 elink_warpcore_power_module(params, 0);
8934 /* Note that 100us are not enough here */
8935 DELAY(1000 * 1);
8936 elink_warpcore_power_module(params, 1);
8937 }
8938
8939 elink_bsc_module_sel(params);
8940 rc = elink_bsc_read(sc, dev_addr, addr32, 0, byte_cnt,
8941 data_array);
8942 } while ((rc != ELINK_STATUS_OK) && (++cnt < I2C_WA_RETRY_CNT));
8943
8944 if (rc == ELINK_STATUS_OK) {
8945 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
8946 o_buf[j] = *((uint8_t *)data_array + i);
8947 j++;
8948 }
8949 }
8950
8951 return rc;
8952 }
8953
elink_8727_read_sfp_module_eeprom(struct elink_phy * phy,struct elink_params * params,uint8_t dev_addr,uint16_t addr,uint8_t byte_cnt,uint8_t * o_buf,__rte_unused uint8_t is_init)8954 static elink_status_t elink_8727_read_sfp_module_eeprom(struct elink_phy *phy,
8955 struct elink_params *params,
8956 uint8_t dev_addr, uint16_t addr,
8957 uint8_t byte_cnt,
8958 uint8_t *o_buf,
8959 __rte_unused uint8_t is_init)
8960 {
8961 struct bnx2x_softc *sc = params->sc;
8962 uint16_t val, i;
8963
8964 if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) {
8965 ELINK_DEBUG_P0(sc,
8966 "Reading from eeprom is limited to 0xf");
8967 return ELINK_STATUS_ERROR;
8968 }
8969
8970 /* Set 2-wire transfer rate of SFP+ module EEPROM
8971 * to 100Khz since some DACs(direct attached cables) do
8972 * not work at 400Khz.
8973 */
8974 elink_cl45_write(sc, phy,
8975 MDIO_PMA_DEVAD,
8976 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
8977 ((dev_addr << 8) | 1));
8978
8979 /* Need to read from 1.8000 to clear it */
8980 elink_cl45_read(sc, phy,
8981 MDIO_PMA_DEVAD,
8982 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8983 &val);
8984
8985 /* Set the read command byte count */
8986 elink_cl45_write(sc, phy,
8987 MDIO_PMA_DEVAD,
8988 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
8989 ((byte_cnt < 2) ? 2 : byte_cnt));
8990
8991 /* Set the read command address */
8992 elink_cl45_write(sc, phy,
8993 MDIO_PMA_DEVAD,
8994 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
8995 addr);
8996 /* Set the destination address */
8997 elink_cl45_write(sc, phy,
8998 MDIO_PMA_DEVAD,
8999 0x8004,
9000 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
9001
9002 /* Activate read command */
9003 elink_cl45_write(sc, phy,
9004 MDIO_PMA_DEVAD,
9005 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
9006 0x8002);
9007 /* Wait appropriate time for two-wire command to finish before
9008 * polling the status register
9009 */
9010 DELAY(1000 * 1);
9011
9012 /* Wait up to 500us for command complete status */
9013 for (i = 0; i < 100; i++) {
9014 elink_cl45_read(sc, phy,
9015 MDIO_PMA_DEVAD,
9016 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
9017 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
9018 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
9019 break;
9020 DELAY(5);
9021 }
9022
9023 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
9024 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
9025 ELINK_DEBUG_P1(sc,
9026 "Got bad status 0x%x when reading from SFP+ EEPROM",
9027 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
9028 return ELINK_STATUS_TIMEOUT;
9029 }
9030
9031 /* Read the buffer */
9032 for (i = 0; i < byte_cnt; i++) {
9033 elink_cl45_read(sc, phy,
9034 MDIO_PMA_DEVAD,
9035 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
9036 o_buf[i] = (uint8_t)
9037 (val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
9038 }
9039
9040 for (i = 0; i < 100; i++) {
9041 elink_cl45_read(sc, phy,
9042 MDIO_PMA_DEVAD,
9043 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
9044 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
9045 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
9046 return ELINK_STATUS_OK;
9047 DELAY(1000 * 1);
9048 }
9049
9050 return ELINK_STATUS_ERROR;
9051 }
elink_read_sfp_module_eeprom(struct elink_phy * phy,struct elink_params * params,uint8_t dev_addr,uint16_t addr,uint16_t byte_cnt,uint8_t * o_buf)9052 elink_status_t elink_read_sfp_module_eeprom(struct elink_phy *phy,
9053 struct elink_params *params, uint8_t dev_addr,
9054 uint16_t addr, uint16_t byte_cnt,
9055 uint8_t *o_buf)
9056 {
9057 elink_status_t rc = 0;
9058 struct bnx2x_softc *sc = params->sc;
9059 uint8_t xfer_size;
9060 uint8_t *user_data = o_buf;
9061 read_sfp_module_eeprom_func_p read_func;
9062 if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
9063 ELINK_DEBUG_P1(sc, "invalid dev_addr 0x%x", dev_addr);
9064 return ELINK_STATUS_ERROR;
9065 }
9066
9067 switch (phy->type) {
9068 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8726:
9069 read_func = elink_8726_read_sfp_module_eeprom;
9070 break;
9071 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8727:
9072 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8722:
9073 read_func = elink_8727_read_sfp_module_eeprom;
9074 break;
9075 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
9076 read_func = elink_warpcore_read_sfp_module_eeprom;
9077 break;
9078 default:
9079 return ELINK_OP_NOT_SUPPORTED;
9080 }
9081
9082 while (!rc && (byte_cnt > 0)) {
9083 xfer_size = (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) ?
9084 ELINK_SFP_EEPROM_PAGE_SIZE : byte_cnt;
9085 rc = read_func(phy, params, dev_addr, addr, xfer_size,
9086 user_data, 0);
9087 byte_cnt -= xfer_size;
9088 user_data += xfer_size;
9089 addr += xfer_size;
9090 }
9091 return rc;
9092 }
9093
elink_get_edc_mode(struct elink_phy * phy,struct elink_params * params,uint16_t * edc_mode)9094 static elink_status_t elink_get_edc_mode(struct elink_phy *phy,
9095 struct elink_params *params,
9096 uint16_t *edc_mode)
9097 {
9098 struct bnx2x_softc *sc = params->sc;
9099 uint32_t sync_offset = 0, phy_idx, media_types;
9100 uint8_t val[ELINK_SFP_EEPROM_FC_TX_TECH_ADDR + 1];
9101 uint8_t check_limiting_mode = 0;
9102 *edc_mode = ELINK_EDC_MODE_LIMITING;
9103 phy->media_type = ELINK_ETH_PHY_UNSPECIFIED;
9104 /* First check for copper cable */
9105 if (elink_read_sfp_module_eeprom(phy,
9106 params,
9107 ELINK_I2C_DEV_ADDR_A0,
9108 0,
9109 ELINK_SFP_EEPROM_FC_TX_TECH_ADDR + 1,
9110 (uint8_t *)val) != 0) {
9111 ELINK_DEBUG_P0(sc, "Failed to read from SFP+ module EEPROM");
9112 return ELINK_STATUS_ERROR;
9113 }
9114 params->link_attr_sync &= ~LINK_SFP_EEPROM_COMP_CODE_MASK;
9115 params->link_attr_sync |= val[ELINK_SFP_EEPROM_10G_COMP_CODE_ADDR] <<
9116 LINK_SFP_EEPROM_COMP_CODE_SHIFT;
9117 elink_update_link_attr(params, params->link_attr_sync);
9118 switch (val[ELINK_SFP_EEPROM_CON_TYPE_ADDR]) {
9119 case ELINK_SFP_EEPROM_CON_TYPE_VAL_COPPER:
9120 {
9121 uint8_t copper_module_type;
9122 phy->media_type = ELINK_ETH_PHY_DA_TWINAX;
9123 /* Check if its active cable (includes SFP+ module)
9124 * of passive cable
9125 */
9126 copper_module_type = val[ELINK_SFP_EEPROM_FC_TX_TECH_ADDR];
9127 if (copper_module_type &
9128 ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
9129 ELINK_DEBUG_P0(sc, "Active Copper cable detected");
9130 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
9131 *edc_mode = ELINK_EDC_MODE_ACTIVE_DAC;
9132 else
9133 check_limiting_mode = 1;
9134 } else {
9135 *edc_mode = ELINK_EDC_MODE_PASSIVE_DAC;
9136 /* Even in case PASSIVE_DAC indication is not set,
9137 * treat it as a passive DAC cable, since some cables
9138 * don't have this indication.
9139 */
9140 if (copper_module_type &
9141 ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
9142 ELINK_DEBUG_P0(sc,
9143 "Passive Copper cable detected");
9144 } else {
9145 ELINK_DEBUG_P0(sc,
9146 "Unknown copper-cable-type");
9147 }
9148 }
9149 break;
9150 }
9151 case ELINK_SFP_EEPROM_CON_TYPE_VAL_UNKNOWN:
9152 case ELINK_SFP_EEPROM_CON_TYPE_VAL_SC:
9153 case ELINK_SFP_EEPROM_CON_TYPE_VAL_LC:
9154 case ELINK_SFP_EEPROM_CON_TYPE_VAL_RJ45:
9155 check_limiting_mode = 1;
9156 /* Module is considered as 1G in case it's NOT compliant with
9157 * any 10G ethernet protocol, but is 1G Ethernet compliant.
9158 */
9159 if (((val[ELINK_SFP_EEPROM_10G_COMP_CODE_ADDR] &
9160 (ELINK_SFP_EEPROM_10G_COMP_CODE_SR_MASK |
9161 ELINK_SFP_EEPROM_10G_COMP_CODE_LR_MASK |
9162 ELINK_SFP_EEPROM_10G_COMP_CODE_LRM_MASK)) == 0) &&
9163 (val[ELINK_SFP_EEPROM_1G_COMP_CODE_ADDR] != 0)) {
9164 ELINK_DEBUG_P0(sc, "1G SFP module detected");
9165 phy->media_type = ELINK_ETH_PHY_SFP_1G_FIBER;
9166 if (phy->req_line_speed != ELINK_SPEED_1000 &&
9167 phy->req_line_speed != ELINK_SPEED_2500) {
9168 uint8_t gport = params->port;
9169 phy->req_line_speed = ELINK_SPEED_1000;
9170 if (!CHIP_IS_E1x(sc)) {
9171 gport = SC_PATH(sc) +
9172 (params->port << 1);
9173 }
9174 elink_cb_event_log(sc,
9175 ELINK_LOG_ID_NON_10G_MODULE,
9176 gport);
9177 /*"Warning: Link speed was forced to 1000Mbps."
9178 *" Current SFP module in port %d is not"
9179 *" compliant with 10G Ethernet",
9180 */
9181 }
9182
9183 if (val[ELINK_SFP_EEPROM_1G_COMP_CODE_ADDR] &
9184 ELINK_SFP_EEPROM_1G_COMP_CODE_BASE_T) {
9185 /* Some 1G-baseT modules will not link up,
9186 * unless TX_EN is toggled with long delay in
9187 * between.
9188 */
9189 elink_sfp_set_transmitter(params, phy, 0);
9190 DELAY(1000 * 40);
9191 elink_sfp_set_transmitter(params, phy, 1);
9192 }
9193 } else {
9194 int idx, cfg_idx = 0;
9195 ELINK_DEBUG_P0(sc, "10G Optic module detected");
9196 for (idx = ELINK_INT_PHY; idx < ELINK_MAX_PHYS; idx++) {
9197 if (params->phy[idx].type == phy->type) {
9198 cfg_idx = ELINK_LINK_CONFIG_IDX(idx);
9199 break;
9200 }
9201 }
9202 phy->media_type = ELINK_ETH_PHY_SFPP_10G_FIBER;
9203 phy->req_line_speed = params->req_line_speed[cfg_idx];
9204 }
9205 break;
9206 default:
9207 ELINK_DEBUG_P1(sc, "Unable to determine module type 0x%x !!!",
9208 val[ELINK_SFP_EEPROM_CON_TYPE_ADDR]);
9209 return ELINK_STATUS_ERROR;
9210 }
9211 sync_offset = params->shmem_base +
9212 offsetof(struct shmem_region,
9213 dev_info.port_hw_config[params->port].media_type);
9214 media_types = REG_RD(sc, sync_offset);
9215 /* Update media type for non-PMF sync */
9216 for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
9217 if (&(params->phy[phy_idx]) == phy) {
9218 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
9219 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
9220 media_types |= ((phy->media_type &
9221 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
9222 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
9223 break;
9224 }
9225 }
9226 REG_WR(sc, sync_offset, media_types);
9227 if (check_limiting_mode) {
9228 uint8_t options[ELINK_SFP_EEPROM_OPTIONS_SIZE];
9229 if (elink_read_sfp_module_eeprom(phy,
9230 params,
9231 ELINK_I2C_DEV_ADDR_A0,
9232 ELINK_SFP_EEPROM_OPTIONS_ADDR,
9233 ELINK_SFP_EEPROM_OPTIONS_SIZE,
9234 options) != 0) {
9235 ELINK_DEBUG_P0(sc,
9236 "Failed to read Option field from module EEPROM");
9237 return ELINK_STATUS_ERROR;
9238 }
9239 if ((options[0] & ELINK_SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
9240 *edc_mode = ELINK_EDC_MODE_LINEAR;
9241 else
9242 *edc_mode = ELINK_EDC_MODE_LIMITING;
9243 }
9244 ELINK_DEBUG_P1(sc, "EDC mode is set to 0x%x", *edc_mode);
9245 return ELINK_STATUS_OK;
9246 }
9247 /* This function read the relevant field from the module (SFP+), and verify it
9248 * is compliant with this board
9249 */
elink_verify_sfp_module(struct elink_phy * phy,struct elink_params * params)9250 static elink_status_t elink_verify_sfp_module(struct elink_phy *phy,
9251 struct elink_params *params)
9252 {
9253 struct bnx2x_softc *sc = params->sc;
9254 uint32_t val, cmd;
9255 uint32_t fw_resp, fw_cmd_param;
9256 char vendor_name[ELINK_SFP_EEPROM_VENDOR_NAME_SIZE + 1];
9257 char vendor_pn[ELINK_SFP_EEPROM_PART_NO_SIZE + 1];
9258 phy->flags &= ~ELINK_FLAGS_SFP_NOT_APPROVED;
9259 val = REG_RD(sc, params->shmem_base +
9260 offsetof(struct shmem_region, dev_info.
9261 port_feature_config[params->port].config));
9262 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9263 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
9264 ELINK_DEBUG_P0(sc, "NOT enforcing module verification");
9265 return ELINK_STATUS_OK;
9266 }
9267
9268 if (params->feature_config_flags &
9269 ELINK_FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
9270 /* Use specific phy request */
9271 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
9272 } else if (params->feature_config_flags &
9273 ELINK_FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
9274 /* Use first phy request only in case of non-dual media*/
9275 if (ELINK_DUAL_MEDIA(params)) {
9276 ELINK_DEBUG_P0(sc,
9277 "FW does not support OPT MDL verification");
9278 return ELINK_STATUS_ERROR;
9279 }
9280 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
9281 } else {
9282 /* No support in OPT MDL detection */
9283 ELINK_DEBUG_P0(sc,
9284 "FW does not support OPT MDL verification");
9285 return ELINK_STATUS_ERROR;
9286 }
9287
9288 fw_cmd_param = ELINK_FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
9289 fw_resp = elink_cb_fw_command(sc, cmd, fw_cmd_param);
9290 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
9291 ELINK_DEBUG_P0(sc, "Approved module");
9292 return ELINK_STATUS_OK;
9293 }
9294
9295 /* Format the warning message */
9296 if (elink_read_sfp_module_eeprom(phy,
9297 params,
9298 ELINK_I2C_DEV_ADDR_A0,
9299 ELINK_SFP_EEPROM_VENDOR_NAME_ADDR,
9300 ELINK_SFP_EEPROM_VENDOR_NAME_SIZE,
9301 (uint8_t *)vendor_name))
9302 vendor_name[0] = '\0';
9303 else
9304 vendor_name[ELINK_SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
9305 if (elink_read_sfp_module_eeprom(phy,
9306 params,
9307 ELINK_I2C_DEV_ADDR_A0,
9308 ELINK_SFP_EEPROM_PART_NO_ADDR,
9309 ELINK_SFP_EEPROM_PART_NO_SIZE,
9310 (uint8_t *)vendor_pn))
9311 vendor_pn[0] = '\0';
9312 else
9313 vendor_pn[ELINK_SFP_EEPROM_PART_NO_SIZE] = '\0';
9314
9315 elink_cb_event_log(sc, ELINK_LOG_ID_UNQUAL_IO_MODULE, params->port,
9316 vendor_name, vendor_pn);
9317 /* "Warning: Unqualified SFP+ module detected,"
9318 * " Port %d from %s part number %s",
9319 */
9320
9321 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
9322 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
9323 phy->flags |= ELINK_FLAGS_SFP_NOT_APPROVED;
9324 return ELINK_STATUS_ERROR;
9325 }
9326
elink_wait_for_sfp_module_initialized(struct elink_phy * phy,struct elink_params * params)9327 static elink_status_t elink_wait_for_sfp_module_initialized(
9328 struct elink_phy *phy,
9329 struct elink_params *params)
9330
9331 {
9332 uint8_t val;
9333 elink_status_t rc;
9334 struct bnx2x_softc *sc = params->sc;
9335 uint16_t timeout;
9336 /* Initialization time after hot-plug may take up to 300ms for
9337 * some phys type ( e.g. JDSU )
9338 */
9339
9340 for (timeout = 0; timeout < 1800; timeout++) {
9341 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
9342 rc = elink_warpcore_read_sfp_module_eeprom(
9343 phy, params, ELINK_I2C_DEV_ADDR_A0, 1, 1, &val,
9344 1);
9345 else
9346 rc = elink_read_sfp_module_eeprom(phy, params,
9347 ELINK_I2C_DEV_ADDR_A0,
9348 1, 1, &val);
9349 if (rc == 0) {
9350 ELINK_DEBUG_P1(sc,
9351 "SFP+ module initialization took %d ms",
9352 timeout * 5);
9353 return ELINK_STATUS_OK;
9354 }
9355 DELAY(1000 * 5);
9356 }
9357 rc = elink_read_sfp_module_eeprom(phy, params, ELINK_I2C_DEV_ADDR_A0,
9358 1, 1, &val);
9359 return rc;
9360 }
9361
elink_8727_power_module(struct bnx2x_softc * sc,struct elink_phy * phy,uint8_t is_power_up)9362 static void elink_8727_power_module(struct bnx2x_softc *sc,
9363 struct elink_phy *phy,
9364 uint8_t is_power_up) {
9365 /* Make sure GPIOs are not using for LED mode */
9366 uint16_t val;
9367 /* In the GPIO register, bit 4 is use to determine if the GPIOs are
9368 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
9369 * output
9370 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
9371 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
9372 * where the 1st bit is the over-current(only input), and 2nd bit is
9373 * for power( only output )
9374 *
9375 * In case of NOC feature is disabled and power is up, set GPIO control
9376 * as input to enable listening of over-current indication
9377 */
9378 if (phy->flags & ELINK_FLAGS_NOC)
9379 return;
9380 if (is_power_up)
9381 val = (1 << 4);
9382 else
9383 /* Set GPIO control to OUTPUT, and set the power bit
9384 * to according to the is_power_up
9385 */
9386 val = (1 << 1);
9387
9388 elink_cl45_write(sc, phy,
9389 MDIO_PMA_DEVAD,
9390 MDIO_PMA_REG_8727_GPIO_CTRL,
9391 val);
9392 }
9393
elink_8726_set_limiting_mode(struct bnx2x_softc * sc,struct elink_phy * phy,uint16_t edc_mode)9394 static elink_status_t elink_8726_set_limiting_mode(struct bnx2x_softc *sc,
9395 struct elink_phy *phy,
9396 uint16_t edc_mode)
9397 {
9398 uint16_t cur_limiting_mode;
9399
9400 elink_cl45_read(sc, phy,
9401 MDIO_PMA_DEVAD,
9402 MDIO_PMA_REG_ROM_VER2,
9403 &cur_limiting_mode);
9404 ELINK_DEBUG_P1(sc, "Current Limiting mode is 0x%x",
9405 cur_limiting_mode);
9406
9407 if (edc_mode == ELINK_EDC_MODE_LIMITING) {
9408 ELINK_DEBUG_P0(sc, "Setting LIMITING MODE");
9409 elink_cl45_write(sc, phy,
9410 MDIO_PMA_DEVAD,
9411 MDIO_PMA_REG_ROM_VER2,
9412 ELINK_EDC_MODE_LIMITING);
9413 } else { /* LRM mode ( default )*/
9414
9415 ELINK_DEBUG_P0(sc, "Setting LRM MODE");
9416
9417 /* Changing to LRM mode takes quite few seconds. So do it only
9418 * if current mode is limiting (default is LRM)
9419 */
9420 if (cur_limiting_mode != ELINK_EDC_MODE_LIMITING)
9421 return ELINK_STATUS_OK;
9422
9423 elink_cl45_write(sc, phy,
9424 MDIO_PMA_DEVAD,
9425 MDIO_PMA_REG_LRM_MODE,
9426 0);
9427 elink_cl45_write(sc, phy,
9428 MDIO_PMA_DEVAD,
9429 MDIO_PMA_REG_ROM_VER2,
9430 0x128);
9431 elink_cl45_write(sc, phy,
9432 MDIO_PMA_DEVAD,
9433 MDIO_PMA_REG_MISC_CTRL0,
9434 0x4008);
9435 elink_cl45_write(sc, phy,
9436 MDIO_PMA_DEVAD,
9437 MDIO_PMA_REG_LRM_MODE,
9438 0xaaaa);
9439 }
9440 return ELINK_STATUS_OK;
9441 }
9442
elink_8727_set_limiting_mode(struct bnx2x_softc * sc,struct elink_phy * phy,uint16_t edc_mode)9443 static elink_status_t elink_8727_set_limiting_mode(struct bnx2x_softc *sc,
9444 struct elink_phy *phy,
9445 uint16_t edc_mode)
9446 {
9447 uint16_t phy_identifier;
9448 uint16_t rom_ver2_val;
9449 elink_cl45_read(sc, phy,
9450 MDIO_PMA_DEVAD,
9451 MDIO_PMA_REG_PHY_IDENTIFIER,
9452 &phy_identifier);
9453
9454 elink_cl45_write(sc, phy,
9455 MDIO_PMA_DEVAD,
9456 MDIO_PMA_REG_PHY_IDENTIFIER,
9457 (phy_identifier & ~(1 << 9)));
9458
9459 elink_cl45_read(sc, phy,
9460 MDIO_PMA_DEVAD,
9461 MDIO_PMA_REG_ROM_VER2,
9462 &rom_ver2_val);
9463 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
9464 elink_cl45_write(sc, phy,
9465 MDIO_PMA_DEVAD,
9466 MDIO_PMA_REG_ROM_VER2,
9467 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
9468
9469 elink_cl45_write(sc, phy,
9470 MDIO_PMA_DEVAD,
9471 MDIO_PMA_REG_PHY_IDENTIFIER,
9472 (phy_identifier | (1 << 9)));
9473
9474 return ELINK_STATUS_OK;
9475 }
9476
elink_8727_specific_func(struct elink_phy * phy,struct elink_params * params,uint32_t action)9477 static void elink_8727_specific_func(struct elink_phy *phy,
9478 struct elink_params *params,
9479 uint32_t action)
9480 {
9481 struct bnx2x_softc *sc = params->sc;
9482 uint16_t val;
9483 switch (action) {
9484 case ELINK_DISABLE_TX:
9485 elink_sfp_set_transmitter(params, phy, 0);
9486 break;
9487 case ELINK_ENABLE_TX:
9488 if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED))
9489 elink_sfp_set_transmitter(params, phy, 1);
9490 break;
9491 case ELINK_PHY_INIT:
9492 elink_cl45_write(sc, phy,
9493 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9494 (1 << 2) | (1 << 5));
9495 elink_cl45_write(sc, phy,
9496 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
9497 0);
9498 elink_cl45_write(sc, phy,
9499 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
9500 /* Make MOD_ABS give interrupt on change */
9501 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
9502 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9503 &val);
9504 val |= (1 << 12);
9505 if (phy->flags & ELINK_FLAGS_NOC)
9506 val |= (3 << 5);
9507 /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
9508 * status which reflect SFP+ module over-current
9509 */
9510 if (!(phy->flags & ELINK_FLAGS_NOC))
9511 val &= 0xff8f; /* Reset bits 4-6 */
9512 elink_cl45_write(sc, phy,
9513 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9514 val);
9515 break;
9516 default:
9517 ELINK_DEBUG_P1(sc, "Function 0x%x not supported by 8727",
9518 action);
9519 return;
9520 }
9521 }
9522
elink_set_e1e2_module_fault_led(struct elink_params * params,uint8_t gpio_mode)9523 static void elink_set_e1e2_module_fault_led(struct elink_params *params,
9524 uint8_t gpio_mode)
9525 {
9526 struct bnx2x_softc *sc = params->sc;
9527
9528 uint32_t fault_led_gpio = REG_RD(sc, params->shmem_base +
9529 offsetof(struct shmem_region,
9530 dev_info.port_hw_config[params->port].sfp_ctrl)) &
9531 PORT_HW_CFG_FAULT_MODULE_LED_MASK;
9532 switch (fault_led_gpio) {
9533 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
9534 return;
9535 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
9536 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
9537 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
9538 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
9539 {
9540 uint8_t gpio_port = elink_get_gpio_port(params);
9541 uint16_t gpio_pin = fault_led_gpio -
9542 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
9543 ELINK_DEBUG_P3(sc, "Set fault module-detected led "
9544 "pin %x port %x mode %x",
9545 gpio_pin, gpio_port, gpio_mode);
9546 elink_cb_gpio_write(sc, gpio_pin, gpio_mode, gpio_port);
9547 }
9548 break;
9549 default:
9550 ELINK_DEBUG_P1(sc, "Error: Invalid fault led mode 0x%x",
9551 fault_led_gpio);
9552 }
9553 }
9554
elink_set_e3_module_fault_led(struct elink_params * params,uint8_t gpio_mode)9555 static void elink_set_e3_module_fault_led(struct elink_params *params,
9556 uint8_t gpio_mode)
9557 {
9558 uint32_t pin_cfg;
9559 uint8_t port = params->port;
9560 struct bnx2x_softc *sc = params->sc;
9561 pin_cfg = (REG_RD(sc, params->shmem_base +
9562 offsetof(struct shmem_region,
9563 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
9564 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
9565 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
9566 ELINK_DEBUG_P2(sc, "Setting Fault LED to %d using pin cfg %d",
9567 gpio_mode, pin_cfg);
9568 elink_set_cfg_pin(sc, pin_cfg, gpio_mode);
9569 }
9570
elink_set_sfp_module_fault_led(struct elink_params * params,uint8_t gpio_mode)9571 static void elink_set_sfp_module_fault_led(struct elink_params *params,
9572 uint8_t gpio_mode)
9573 {
9574 struct bnx2x_softc *sc = params->sc;
9575 ELINK_DEBUG_P1(sc, "Setting SFP+ module fault LED to %d", gpio_mode);
9576 if (CHIP_IS_E3(sc)) {
9577 /* Low ==> if SFP+ module is supported otherwise
9578 * High ==> if SFP+ module is not on the approved vendor list
9579 */
9580 elink_set_e3_module_fault_led(params, gpio_mode);
9581 } else
9582 elink_set_e1e2_module_fault_led(params, gpio_mode);
9583 }
9584
elink_warpcore_hw_reset(__rte_unused struct elink_phy * phy,struct elink_params * params)9585 static void elink_warpcore_hw_reset(__rte_unused struct elink_phy *phy,
9586 struct elink_params *params)
9587 {
9588 struct bnx2x_softc *sc = params->sc;
9589 elink_warpcore_power_module(params, 0);
9590 /* Put Warpcore in low power mode */
9591 REG_WR(sc, MISC_REG_WC0_RESET, 0x0c0e);
9592
9593 /* Put LCPLL in low power mode */
9594 REG_WR(sc, MISC_REG_LCPLL_E40_PWRDWN, 1);
9595 REG_WR(sc, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
9596 REG_WR(sc, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
9597 }
9598
elink_power_sfp_module(struct elink_params * params,struct elink_phy * phy,uint8_t power)9599 static void elink_power_sfp_module(struct elink_params *params,
9600 struct elink_phy *phy,
9601 uint8_t power)
9602 {
9603 struct bnx2x_softc *sc = params->sc;
9604 ELINK_DEBUG_P1(sc, "Setting SFP+ power to %x", power);
9605
9606 switch (phy->type) {
9607 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8727:
9608 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8722:
9609 elink_8727_power_module(params->sc, phy, power);
9610 break;
9611 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
9612 elink_warpcore_power_module(params, power);
9613 break;
9614 default:
9615 break;
9616 }
9617 }
elink_warpcore_set_limiting_mode(struct elink_params * params,struct elink_phy * phy,uint16_t edc_mode)9618 static void elink_warpcore_set_limiting_mode(struct elink_params *params,
9619 struct elink_phy *phy,
9620 uint16_t edc_mode)
9621 {
9622 uint16_t val = 0;
9623 uint16_t mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
9624 struct bnx2x_softc *sc = params->sc;
9625
9626 uint8_t lane = elink_get_warpcore_lane(phy, params);
9627 /* This is a global register which controls all lanes */
9628 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
9629 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
9630 val &= ~(0xf << (lane << 2));
9631
9632 switch (edc_mode) {
9633 case ELINK_EDC_MODE_LINEAR:
9634 case ELINK_EDC_MODE_LIMITING:
9635 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
9636 break;
9637 case ELINK_EDC_MODE_PASSIVE_DAC:
9638 case ELINK_EDC_MODE_ACTIVE_DAC:
9639 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
9640 break;
9641 default:
9642 break;
9643 }
9644
9645 val |= (mode << (lane << 2));
9646 elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
9647 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
9648 /* A must read */
9649 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
9650 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
9651
9652 /* Restart microcode to re-read the new mode */
9653 elink_warpcore_reset_lane(sc, phy, 1);
9654 elink_warpcore_reset_lane(sc, phy, 0);
9655
9656 }
9657
elink_set_limiting_mode(struct elink_params * params,struct elink_phy * phy,uint16_t edc_mode)9658 static void elink_set_limiting_mode(struct elink_params *params,
9659 struct elink_phy *phy,
9660 uint16_t edc_mode)
9661 {
9662 switch (phy->type) {
9663 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8726:
9664 elink_8726_set_limiting_mode(params->sc, phy, edc_mode);
9665 break;
9666 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8727:
9667 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8722:
9668 elink_8727_set_limiting_mode(params->sc, phy, edc_mode);
9669 break;
9670 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
9671 elink_warpcore_set_limiting_mode(params, phy, edc_mode);
9672 break;
9673 }
9674 }
9675
elink_sfp_module_detection(struct elink_phy * phy,struct elink_params * params)9676 elink_status_t elink_sfp_module_detection(struct elink_phy *phy,
9677 struct elink_params *params)
9678 {
9679 struct bnx2x_softc *sc = params->sc;
9680 uint16_t edc_mode;
9681 elink_status_t rc = ELINK_STATUS_OK;
9682
9683 uint32_t val = REG_RD(sc, params->shmem_base +
9684 offsetof(struct shmem_region, dev_info.
9685 port_feature_config[params->port].config));
9686 /* Enabled transmitter by default */
9687 elink_sfp_set_transmitter(params, phy, 1);
9688 ELINK_DEBUG_P1(sc, "SFP+ module plugged in/out detected on port %d",
9689 params->port);
9690 /* Power up module */
9691 elink_power_sfp_module(params, phy, 1);
9692 if (elink_get_edc_mode(phy, params, &edc_mode) != 0) {
9693 ELINK_DEBUG_P0(sc, "Failed to get valid module type");
9694 return ELINK_STATUS_ERROR;
9695 } else if (elink_verify_sfp_module(phy, params) != 0) {
9696 /* Check SFP+ module compatibility */
9697 ELINK_DEBUG_P0(sc, "Module verification failed!!");
9698 rc = ELINK_STATUS_ERROR;
9699 /* Turn on fault module-detected led */
9700 elink_set_sfp_module_fault_led(params,
9701 MISC_REGISTERS_GPIO_HIGH);
9702
9703 /* Check if need to power down the SFP+ module */
9704 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9705 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
9706 ELINK_DEBUG_P0(sc, "Shutdown SFP+ module!!");
9707 elink_power_sfp_module(params, phy, 0);
9708 return rc;
9709 }
9710 } else {
9711 /* Turn off fault module-detected led */
9712 elink_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
9713 }
9714
9715 /* Check and set limiting mode / LRM mode on 8726. On 8727 it
9716 * is done automatically
9717 */
9718 elink_set_limiting_mode(params, phy, edc_mode);
9719
9720 /* Disable transmit for this module if the module is not approved, and
9721 * laser needs to be disabled.
9722 */
9723 if ((rc != 0) &&
9724 ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9725 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
9726 elink_sfp_set_transmitter(params, phy, 0);
9727
9728 return rc;
9729 }
9730
elink_handle_module_detect_int(struct elink_params * params)9731 void elink_handle_module_detect_int(struct elink_params *params)
9732 {
9733 struct bnx2x_softc *sc = params->sc;
9734 struct elink_phy *phy;
9735 uint32_t gpio_val;
9736 uint8_t gpio_num, gpio_port;
9737 if (CHIP_IS_E3(sc)) {
9738 phy = ¶ms->phy[ELINK_INT_PHY];
9739 /* Always enable TX laser, will be disabled in case of fault */
9740 elink_sfp_set_transmitter(params, phy, 1);
9741 } else {
9742 phy = ¶ms->phy[ELINK_EXT_PHY1];
9743 }
9744 if (elink_get_mod_abs_int_cfg(sc, params->chip_id, params->shmem_base,
9745 params->port, &gpio_num, &gpio_port) ==
9746 ELINK_STATUS_ERROR) {
9747 ELINK_DEBUG_P0(sc, "Failed to get MOD_ABS interrupt config");
9748 return;
9749 }
9750
9751 /* Set valid module led off */
9752 elink_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
9753
9754 /* Get current gpio val reflecting module plugged in / out*/
9755 gpio_val = elink_cb_gpio_read(sc, gpio_num, gpio_port);
9756
9757 /* Call the handling function in case module is detected */
9758 if (gpio_val == 0) {
9759 elink_set_mdio_emac_per_phy(sc, params);
9760 elink_set_aer_mmd(params, phy);
9761
9762 elink_power_sfp_module(params, phy, 1);
9763 elink_cb_gpio_int_write(sc, gpio_num,
9764 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
9765 gpio_port);
9766 if (elink_wait_for_sfp_module_initialized(phy, params) == 0) {
9767 elink_sfp_module_detection(phy, params);
9768 if (CHIP_IS_E3(sc)) {
9769 uint16_t rx_tx_in_reset;
9770 /* In case WC is out of reset, reconfigure the
9771 * link speed while taking into account 1G
9772 * module limitation.
9773 */
9774 elink_cl45_read(sc, phy,
9775 MDIO_WC_DEVAD,
9776 MDIO_WC_REG_DIGITAL5_MISC6,
9777 &rx_tx_in_reset);
9778 if ((!rx_tx_in_reset) &&
9779 (params->link_flags &
9780 ELINK_PHY_INITIALIZED)) {
9781 elink_warpcore_reset_lane(sc, phy, 1);
9782 elink_warpcore_config_sfi(phy, params);
9783 elink_warpcore_reset_lane(sc, phy, 0);
9784 }
9785 }
9786 } else {
9787 ELINK_DEBUG_P0(sc, "SFP+ module is not initialized");
9788 }
9789 } else {
9790 elink_cb_gpio_int_write(sc, gpio_num,
9791 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
9792 gpio_port);
9793 /* Module was plugged out.
9794 * Disable transmit for this module
9795 */
9796 phy->media_type = ELINK_ETH_PHY_NOT_PRESENT;
9797 }
9798 }
9799
9800 /******************************************************************/
9801 /* Used by 8706 and 8727 */
9802 /******************************************************************/
elink_sfp_mask_fault(struct bnx2x_softc * sc,struct elink_phy * phy,uint16_t alarm_status_offset,uint16_t alarm_ctrl_offset)9803 static void elink_sfp_mask_fault(struct bnx2x_softc *sc,
9804 struct elink_phy *phy,
9805 uint16_t alarm_status_offset,
9806 uint16_t alarm_ctrl_offset)
9807 {
9808 uint16_t alarm_status, val;
9809 elink_cl45_read(sc, phy,
9810 MDIO_PMA_DEVAD, alarm_status_offset,
9811 &alarm_status);
9812 elink_cl45_read(sc, phy,
9813 MDIO_PMA_DEVAD, alarm_status_offset,
9814 &alarm_status);
9815 /* Mask or enable the fault event. */
9816 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
9817 if (alarm_status & (1 << 0))
9818 val &= ~(1 << 0);
9819 else
9820 val |= (1 << 0);
9821 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
9822 }
9823 /******************************************************************/
9824 /* common BNX2X8706/BNX2X8726 PHY SECTION */
9825 /******************************************************************/
elink_8706_8726_read_status(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)9826 static uint8_t elink_8706_8726_read_status(struct elink_phy *phy,
9827 struct elink_params *params,
9828 struct elink_vars *vars)
9829 {
9830 uint8_t link_up = 0;
9831 uint16_t val1, val2, rx_sd, pcs_status;
9832 struct bnx2x_softc *sc = params->sc;
9833 ELINK_DEBUG_P0(sc, "XGXS 8706/8726");
9834 /* Clear RX Alarm*/
9835 elink_cl45_read(sc, phy,
9836 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
9837
9838 elink_sfp_mask_fault(sc, phy, MDIO_PMA_LASI_TXSTAT,
9839 MDIO_PMA_LASI_TXCTRL);
9840
9841 /* Clear LASI indication*/
9842 elink_cl45_read(sc, phy,
9843 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
9844 elink_cl45_read(sc, phy,
9845 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
9846 ELINK_DEBUG_P2(sc, "8706/8726 LASI status 0x%x--> 0x%x", val1, val2);
9847
9848 elink_cl45_read(sc, phy,
9849 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
9850 elink_cl45_read(sc, phy,
9851 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
9852 elink_cl45_read(sc, phy,
9853 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
9854 elink_cl45_read(sc, phy,
9855 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
9856
9857 ELINK_DEBUG_P3(sc, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
9858 " link_status 0x%x", rx_sd, pcs_status, val2);
9859 /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
9860 * are set, or if the autoneg bit 1 is set
9861 */
9862 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1 << 1)));
9863 if (link_up) {
9864 if (val2 & (1 << 1))
9865 vars->line_speed = ELINK_SPEED_1000;
9866 else
9867 vars->line_speed = ELINK_SPEED_10000;
9868 elink_ext_phy_resolve_fc(phy, params, vars);
9869 vars->duplex = DUPLEX_FULL;
9870 }
9871
9872 /* Capture 10G link fault. Read twice to clear stale value. */
9873 if (vars->line_speed == ELINK_SPEED_10000) {
9874 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
9875 MDIO_PMA_LASI_TXSTAT, &val1);
9876 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
9877 MDIO_PMA_LASI_TXSTAT, &val1);
9878 if (val1 & (1 << 0))
9879 vars->fault_detected = 1;
9880 }
9881
9882 return link_up;
9883 }
9884
9885 /******************************************************************/
9886 /* BNX2X8706 PHY SECTION */
9887 /******************************************************************/
elink_8706_config_init(struct elink_phy * phy,struct elink_params * params,__rte_unused struct elink_vars * vars)9888 static uint8_t elink_8706_config_init(struct elink_phy *phy,
9889 struct elink_params *params,
9890 __rte_unused struct elink_vars *vars)
9891 {
9892 uint32_t tx_en_mode;
9893 uint16_t cnt, val, tmp1;
9894 struct bnx2x_softc *sc = params->sc;
9895
9896 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
9897 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
9898 /* HW reset */
9899 elink_ext_phy_hw_reset(sc, params->port);
9900 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
9901 elink_wait_reset_complete(sc, phy, params);
9902
9903 /* Wait until fw is loaded */
9904 for (cnt = 0; cnt < 100; cnt++) {
9905 elink_cl45_read(sc, phy,
9906 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
9907 if (val)
9908 break;
9909 DELAY(1000 * 10);
9910 }
9911 ELINK_DEBUG_P1(sc, "XGXS 8706 is initialized after %d ms", cnt);
9912 if ((params->feature_config_flags &
9913 ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9914 uint8_t i;
9915 uint16_t reg;
9916 for (i = 0; i < 4; i++) {
9917 reg = MDIO_XS_8706_REG_BANK_RX0 +
9918 i * (MDIO_XS_8706_REG_BANK_RX1 -
9919 MDIO_XS_8706_REG_BANK_RX0);
9920 elink_cl45_read(sc, phy, MDIO_XS_DEVAD, reg, &val);
9921 /* Clear first 3 bits of the control */
9922 val &= ~0x7;
9923 /* Set control bits according to configuration */
9924 val |= (phy->rx_preemphasis[i] & 0x7);
9925 ELINK_DEBUG_P2(sc, "Setting RX Equalizer to BNX2X8706"
9926 " reg 0x%x <-- val 0x%x", reg, val);
9927 elink_cl45_write(sc, phy, MDIO_XS_DEVAD, reg, val);
9928 }
9929 }
9930 /* Force speed */
9931 if (phy->req_line_speed == ELINK_SPEED_10000) {
9932 ELINK_DEBUG_P0(sc, "XGXS 8706 force 10Gbps");
9933
9934 elink_cl45_write(sc, phy,
9935 MDIO_PMA_DEVAD,
9936 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
9937 elink_cl45_write(sc, phy,
9938 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
9939 0);
9940 /* Arm LASI for link and Tx fault. */
9941 elink_cl45_write(sc, phy,
9942 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
9943 } else {
9944 /* Force 1Gbps using autoneg with 1G advertisement */
9945
9946 /* Allow CL37 through CL73 */
9947 ELINK_DEBUG_P0(sc, "XGXS 8706 AutoNeg");
9948 elink_cl45_write(sc, phy,
9949 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
9950
9951 /* Enable Full-Duplex advertisement on CL37 */
9952 elink_cl45_write(sc, phy,
9953 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
9954 /* Enable CL37 AN */
9955 elink_cl45_write(sc, phy,
9956 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
9957 /* 1G support */
9958 elink_cl45_write(sc, phy,
9959 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1 << 5));
9960
9961 /* Enable clause 73 AN */
9962 elink_cl45_write(sc, phy,
9963 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
9964 elink_cl45_write(sc, phy,
9965 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9966 0x0400);
9967 elink_cl45_write(sc, phy,
9968 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
9969 0x0004);
9970 }
9971 elink_save_bnx2x_spirom_ver(sc, phy, params->port);
9972
9973 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
9974 * power mode, if TX Laser is disabled
9975 */
9976
9977 tx_en_mode = REG_RD(sc, params->shmem_base +
9978 offsetof(struct shmem_region,
9979 dev_info.port_hw_config[params->port].sfp_ctrl))
9980 & PORT_HW_CFG_TX_LASER_MASK;
9981
9982 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9983 ELINK_DEBUG_P0(sc, "Enabling TXONOFF_PWRDN_DIS");
9984 elink_cl45_read(sc, phy,
9985 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
9986 tmp1 |= 0x1;
9987 elink_cl45_write(sc, phy,
9988 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
9989 }
9990
9991 return ELINK_STATUS_OK;
9992 }
9993
elink_8706_read_status(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)9994 static uint8_t elink_8706_read_status(struct elink_phy *phy,
9995 struct elink_params *params,
9996 struct elink_vars *vars)
9997 {
9998 return elink_8706_8726_read_status(phy, params, vars);
9999 }
10000
10001 /******************************************************************/
10002 /* BNX2X8726 PHY SECTION */
10003 /******************************************************************/
elink_8726_config_loopback(struct elink_phy * phy,struct elink_params * params)10004 static void elink_8726_config_loopback(struct elink_phy *phy,
10005 struct elink_params *params)
10006 {
10007 struct bnx2x_softc *sc = params->sc;
10008 ELINK_DEBUG_P0(sc, "PMA/PMD ext_phy_loopback: 8726");
10009 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
10010 }
10011
elink_8726_external_rom_boot(struct elink_phy * phy,struct elink_params * params)10012 static void elink_8726_external_rom_boot(struct elink_phy *phy,
10013 struct elink_params *params)
10014 {
10015 struct bnx2x_softc *sc = params->sc;
10016 /* Need to wait 100ms after reset */
10017 DELAY(1000 * 100);
10018
10019 /* Micro controller re-boot */
10020 elink_cl45_write(sc, phy,
10021 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
10022
10023 /* Set soft reset */
10024 elink_cl45_write(sc, phy,
10025 MDIO_PMA_DEVAD,
10026 MDIO_PMA_REG_GEN_CTRL,
10027 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
10028
10029 elink_cl45_write(sc, phy,
10030 MDIO_PMA_DEVAD,
10031 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
10032
10033 elink_cl45_write(sc, phy,
10034 MDIO_PMA_DEVAD,
10035 MDIO_PMA_REG_GEN_CTRL,
10036 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
10037
10038 /* Wait for 150ms for microcode load */
10039 DELAY(1000 * 150);
10040
10041 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
10042 elink_cl45_write(sc, phy,
10043 MDIO_PMA_DEVAD,
10044 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
10045
10046 DELAY(1000 * 200);
10047 elink_save_bnx2x_spirom_ver(sc, phy, params->port);
10048 }
10049
elink_8726_read_status(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)10050 static uint8_t elink_8726_read_status(struct elink_phy *phy,
10051 struct elink_params *params,
10052 struct elink_vars *vars)
10053 {
10054 struct bnx2x_softc *sc = params->sc;
10055 uint16_t val1;
10056 uint8_t link_up = elink_8706_8726_read_status(phy, params, vars);
10057 if (link_up) {
10058 elink_cl45_read(sc, phy,
10059 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
10060 &val1);
10061 if (val1 & (1 << 15)) {
10062 ELINK_DEBUG_P0(sc, "Tx is disabled");
10063 link_up = 0;
10064 vars->line_speed = 0;
10065 }
10066 }
10067 return link_up;
10068 }
10069
10070
elink_8726_config_init(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)10071 static uint8_t elink_8726_config_init(struct elink_phy *phy,
10072 struct elink_params *params,
10073 struct elink_vars *vars)
10074 {
10075 struct bnx2x_softc *sc = params->sc;
10076 ELINK_DEBUG_P0(sc, "Initializing BNX2X8726");
10077
10078 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1 << 15);
10079 elink_wait_reset_complete(sc, phy, params);
10080
10081 elink_8726_external_rom_boot(phy, params);
10082
10083 /* Need to call module detected on initialization since the module
10084 * detection triggered by actual module insertion might occur before
10085 * driver is loaded, and when driver is loaded, it reset all
10086 * registers, including the transmitter
10087 */
10088 elink_sfp_module_detection(phy, params);
10089
10090 if (phy->req_line_speed == ELINK_SPEED_1000) {
10091 ELINK_DEBUG_P0(sc, "Setting 1G force");
10092 elink_cl45_write(sc, phy,
10093 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
10094 elink_cl45_write(sc, phy,
10095 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
10096 elink_cl45_write(sc, phy,
10097 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
10098 elink_cl45_write(sc, phy,
10099 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
10100 0x400);
10101 } else if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
10102 (phy->speed_cap_mask &
10103 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
10104 ((phy->speed_cap_mask &
10105 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
10106 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
10107 ELINK_DEBUG_P0(sc, "Setting 1G clause37");
10108 /* Set Flow control */
10109 elink_ext_phy_set_pause(params, phy, vars);
10110 elink_cl45_write(sc, phy,
10111 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
10112 elink_cl45_write(sc, phy,
10113 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
10114 elink_cl45_write(sc, phy,
10115 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
10116 elink_cl45_write(sc, phy,
10117 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
10118 elink_cl45_write(sc, phy,
10119 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
10120 /* Enable RX-ALARM control to receive interrupt for 1G speed
10121 * change
10122 */
10123 elink_cl45_write(sc, phy,
10124 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
10125 elink_cl45_write(sc, phy,
10126 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
10127 0x400);
10128
10129 } else { /* Default 10G. Set only LASI control */
10130 elink_cl45_write(sc, phy,
10131 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
10132 }
10133
10134 /* Set TX PreEmphasis if needed */
10135 if ((params->feature_config_flags &
10136 ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
10137 ELINK_DEBUG_P2(sc,
10138 "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x",
10139 phy->tx_preemphasis[0],
10140 phy->tx_preemphasis[1]);
10141 elink_cl45_write(sc, phy,
10142 MDIO_PMA_DEVAD,
10143 MDIO_PMA_REG_8726_TX_CTRL1,
10144 phy->tx_preemphasis[0]);
10145
10146 elink_cl45_write(sc, phy,
10147 MDIO_PMA_DEVAD,
10148 MDIO_PMA_REG_8726_TX_CTRL2,
10149 phy->tx_preemphasis[1]);
10150 }
10151
10152 return ELINK_STATUS_OK;
10153
10154 }
10155
elink_8726_link_reset(struct elink_phy * phy,struct elink_params * params)10156 static void elink_8726_link_reset(struct elink_phy *phy,
10157 struct elink_params *params)
10158 {
10159 struct bnx2x_softc *sc = params->sc;
10160 ELINK_DEBUG_P1(sc, "elink_8726_link_reset port %d", params->port);
10161 /* Set serial boot control for external load */
10162 elink_cl45_write(sc, phy,
10163 MDIO_PMA_DEVAD,
10164 MDIO_PMA_REG_GEN_CTRL, 0x0001);
10165 }
10166
10167 /******************************************************************/
10168 /* BNX2X8727 PHY SECTION */
10169 /******************************************************************/
10170
elink_8727_set_link_led(struct elink_phy * phy,struct elink_params * params,uint8_t mode)10171 static void elink_8727_set_link_led(struct elink_phy *phy,
10172 struct elink_params *params, uint8_t mode)
10173 {
10174 struct bnx2x_softc *sc = params->sc;
10175 uint16_t led_mode_bitmask = 0;
10176 uint16_t gpio_pins_bitmask = 0;
10177 uint16_t val;
10178 /* Only NOC flavor requires to set the LED specifically */
10179 if (!(phy->flags & ELINK_FLAGS_NOC))
10180 return;
10181 switch (mode) {
10182 case ELINK_LED_MODE_FRONT_PANEL_OFF:
10183 case ELINK_LED_MODE_OFF:
10184 led_mode_bitmask = 0;
10185 gpio_pins_bitmask = 0x03;
10186 break;
10187 case ELINK_LED_MODE_ON:
10188 led_mode_bitmask = 0;
10189 gpio_pins_bitmask = 0x02;
10190 break;
10191 case ELINK_LED_MODE_OPER:
10192 led_mode_bitmask = 0x60;
10193 gpio_pins_bitmask = 0x11;
10194 break;
10195 }
10196 elink_cl45_read(sc, phy,
10197 MDIO_PMA_DEVAD,
10198 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
10199 &val);
10200 val &= 0xff8f;
10201 val |= led_mode_bitmask;
10202 elink_cl45_write(sc, phy,
10203 MDIO_PMA_DEVAD,
10204 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
10205 val);
10206 elink_cl45_read(sc, phy,
10207 MDIO_PMA_DEVAD,
10208 MDIO_PMA_REG_8727_GPIO_CTRL,
10209 &val);
10210 val &= 0xffe0;
10211 val |= gpio_pins_bitmask;
10212 elink_cl45_write(sc, phy,
10213 MDIO_PMA_DEVAD,
10214 MDIO_PMA_REG_8727_GPIO_CTRL,
10215 val);
10216 }
elink_8727_hw_reset(__rte_unused struct elink_phy * phy,struct elink_params * params)10217 static void elink_8727_hw_reset(__rte_unused struct elink_phy *phy,
10218 struct elink_params *params) {
10219 uint32_t swap_val, swap_override;
10220 uint8_t port;
10221 /* The PHY reset is controlled by GPIO 1. Fake the port number
10222 * to cancel the swap done in set_gpio()
10223 */
10224 struct bnx2x_softc *sc = params->sc;
10225 swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
10226 swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
10227 port = (swap_val && swap_override) ^ 1;
10228 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
10229 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
10230 }
10231
elink_8727_config_speed(struct elink_phy * phy,struct elink_params * params)10232 static void elink_8727_config_speed(struct elink_phy *phy,
10233 struct elink_params *params)
10234 {
10235 struct bnx2x_softc *sc = params->sc;
10236 uint16_t tmp1, val;
10237 /* Set option 1G speed */
10238 if ((phy->req_line_speed == ELINK_SPEED_1000) ||
10239 (phy->media_type == ELINK_ETH_PHY_SFP_1G_FIBER)) {
10240 ELINK_DEBUG_P0(sc, "Setting 1G force");
10241 elink_cl45_write(sc, phy,
10242 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
10243 elink_cl45_write(sc, phy,
10244 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
10245 elink_cl45_read(sc, phy,
10246 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
10247 ELINK_DEBUG_P1(sc, "1.7 = 0x%x", tmp1);
10248 /* Power down the XAUI until link is up in case of dual-media
10249 * and 1G
10250 */
10251 if (ELINK_DUAL_MEDIA(params)) {
10252 elink_cl45_read(sc, phy,
10253 MDIO_PMA_DEVAD,
10254 MDIO_PMA_REG_8727_PCS_GP, &val);
10255 val |= (3 << 10);
10256 elink_cl45_write(sc, phy,
10257 MDIO_PMA_DEVAD,
10258 MDIO_PMA_REG_8727_PCS_GP, val);
10259 }
10260 } else if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
10261 ((phy->speed_cap_mask &
10262 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
10263 ((phy->speed_cap_mask &
10264 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
10265 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
10266
10267 ELINK_DEBUG_P0(sc, "Setting 1G clause37");
10268 elink_cl45_write(sc, phy,
10269 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
10270 elink_cl45_write(sc, phy,
10271 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
10272 } else {
10273 /* Since the 8727 has only single reset pin, need to set the 10G
10274 * registers although it is default
10275 */
10276 elink_cl45_write(sc, phy,
10277 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
10278 0x0020);
10279 elink_cl45_write(sc, phy,
10280 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
10281 elink_cl45_write(sc, phy,
10282 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
10283 elink_cl45_write(sc, phy,
10284 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
10285 0x0008);
10286 }
10287 }
10288
elink_8727_config_init(struct elink_phy * phy,struct elink_params * params,__rte_unused struct elink_vars * vars)10289 static uint8_t elink_8727_config_init(struct elink_phy *phy,
10290 struct elink_params *params,
10291 __rte_unused struct elink_vars *vars)
10292 {
10293 uint32_t tx_en_mode;
10294 uint16_t tmp1, mod_abs, tmp2;
10295 struct bnx2x_softc *sc = params->sc;
10296 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
10297
10298 elink_wait_reset_complete(sc, phy, params);
10299
10300 ELINK_DEBUG_P0(sc, "Initializing BNX2X8727");
10301
10302 elink_8727_specific_func(phy, params, ELINK_PHY_INIT);
10303 /* Initially configure MOD_ABS to interrupt when module is
10304 * presence( bit 8)
10305 */
10306 elink_cl45_read(sc, phy,
10307 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
10308 /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
10309 * When the EDC is off it locks onto a reference clock and avoids
10310 * becoming 'lost'
10311 */
10312 mod_abs &= ~(1 << 8);
10313 if (!(phy->flags & ELINK_FLAGS_NOC))
10314 mod_abs &= ~(1 << 9);
10315 elink_cl45_write(sc, phy,
10316 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
10317
10318 /* Enable/Disable PHY transmitter output */
10319 elink_set_disable_pmd_transmit(params, phy, 0);
10320
10321 elink_8727_power_module(sc, phy, 1);
10322
10323 elink_cl45_read(sc, phy,
10324 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
10325
10326 elink_cl45_read(sc, phy,
10327 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
10328
10329 elink_8727_config_speed(phy, params);
10330
10331
10332 /* Set TX PreEmphasis if needed */
10333 if ((params->feature_config_flags &
10334 ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
10335 ELINK_DEBUG_P2(sc, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x",
10336 phy->tx_preemphasis[0],
10337 phy->tx_preemphasis[1]);
10338 elink_cl45_write(sc, phy,
10339 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
10340 phy->tx_preemphasis[0]);
10341
10342 elink_cl45_write(sc, phy,
10343 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
10344 phy->tx_preemphasis[1]);
10345 }
10346
10347 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
10348 * power mode, if TX Laser is disabled
10349 */
10350 tx_en_mode = REG_RD(sc, params->shmem_base +
10351 offsetof(struct shmem_region,
10352 dev_info.port_hw_config[params->port].sfp_ctrl))
10353 & PORT_HW_CFG_TX_LASER_MASK;
10354
10355 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
10356
10357 ELINK_DEBUG_P0(sc, "Enabling TXONOFF_PWRDN_DIS");
10358 elink_cl45_read(sc, phy,
10359 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
10360 tmp2 |= 0x1000;
10361 tmp2 &= 0xFFEF;
10362 elink_cl45_write(sc, phy,
10363 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
10364 elink_cl45_read(sc, phy,
10365 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
10366 &tmp2);
10367 elink_cl45_write(sc, phy,
10368 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
10369 (tmp2 & 0x7fff));
10370 }
10371
10372 return ELINK_STATUS_OK;
10373 }
10374
elink_8727_handle_mod_abs(struct elink_phy * phy,struct elink_params * params)10375 static void elink_8727_handle_mod_abs(struct elink_phy *phy,
10376 struct elink_params *params)
10377 {
10378 struct bnx2x_softc *sc = params->sc;
10379 uint16_t mod_abs, rx_alarm_status;
10380 uint32_t val = REG_RD(sc, params->shmem_base +
10381 offsetof(struct shmem_region, dev_info.
10382 port_feature_config[params->port].
10383 config));
10384 elink_cl45_read(sc, phy,
10385 MDIO_PMA_DEVAD,
10386 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
10387 if (mod_abs & (1 << 8)) {
10388
10389 /* Module is absent */
10390 ELINK_DEBUG_P0(sc,
10391 "MOD_ABS indication show module is absent");
10392 phy->media_type = ELINK_ETH_PHY_NOT_PRESENT;
10393 /* 1. Set mod_abs to detect next module
10394 * presence event
10395 * 2. Set EDC off by setting OPTXLOS signal input to low
10396 * (bit 9).
10397 * When the EDC is off it locks onto a reference clock and
10398 * avoids becoming 'lost'.
10399 */
10400 mod_abs &= ~(1 << 8);
10401 if (!(phy->flags & ELINK_FLAGS_NOC))
10402 mod_abs &= ~(1 << 9);
10403 elink_cl45_write(sc, phy,
10404 MDIO_PMA_DEVAD,
10405 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
10406
10407 /* Clear RX alarm since it stays up as long as
10408 * the mod_abs wasn't changed
10409 */
10410 elink_cl45_read(sc, phy,
10411 MDIO_PMA_DEVAD,
10412 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
10413
10414 } else {
10415 /* Module is present */
10416 ELINK_DEBUG_P0(sc,
10417 "MOD_ABS indication show module is present");
10418 /* First disable transmitter, and if the module is ok, the
10419 * module_detection will enable it
10420 * 1. Set mod_abs to detect next module absent event ( bit 8)
10421 * 2. Restore the default polarity of the OPRXLOS signal and
10422 * this signal will then correctly indicate the presence or
10423 * absence of the Rx signal. (bit 9)
10424 */
10425 mod_abs |= (1 << 8);
10426 if (!(phy->flags & ELINK_FLAGS_NOC))
10427 mod_abs |= (1 << 9);
10428 elink_cl45_write(sc, phy,
10429 MDIO_PMA_DEVAD,
10430 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
10431
10432 /* Clear RX alarm since it stays up as long as the mod_abs
10433 * wasn't changed. This is need to be done before calling the
10434 * module detection, otherwise it will clear* the link update
10435 * alarm
10436 */
10437 elink_cl45_read(sc, phy,
10438 MDIO_PMA_DEVAD,
10439 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
10440
10441
10442 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
10443 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
10444 elink_sfp_set_transmitter(params, phy, 0);
10445
10446 if (elink_wait_for_sfp_module_initialized(phy, params) == 0)
10447 elink_sfp_module_detection(phy, params);
10448 else
10449 ELINK_DEBUG_P0(sc, "SFP+ module is not initialized");
10450
10451 /* Reconfigure link speed based on module type limitations */
10452 elink_8727_config_speed(phy, params);
10453 }
10454
10455 ELINK_DEBUG_P1(sc, "8727 RX_ALARM_STATUS 0x%x",
10456 rx_alarm_status);
10457 /* No need to check link status in case of module plugged in/out */
10458 }
10459
elink_8727_read_status(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)10460 static uint8_t elink_8727_read_status(struct elink_phy *phy,
10461 struct elink_params *params,
10462 struct elink_vars *vars)
10463
10464 {
10465 struct bnx2x_softc *sc = params->sc;
10466 uint8_t link_up = 0;
10467 uint16_t link_status = 0;
10468 uint16_t rx_alarm_status, lasi_ctrl, val1;
10469
10470 /* If PHY is not initialized, do not check link status */
10471 elink_cl45_read(sc, phy,
10472 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
10473 &lasi_ctrl);
10474 if (!lasi_ctrl)
10475 return 0;
10476
10477 /* Check the LASI on Rx */
10478 elink_cl45_read(sc, phy,
10479 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
10480 &rx_alarm_status);
10481 vars->line_speed = 0;
10482 ELINK_DEBUG_P1(sc, "8727 RX_ALARM_STATUS 0x%x", rx_alarm_status);
10483
10484 elink_sfp_mask_fault(sc, phy, MDIO_PMA_LASI_TXSTAT,
10485 MDIO_PMA_LASI_TXCTRL);
10486
10487 elink_cl45_read(sc, phy,
10488 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
10489
10490 ELINK_DEBUG_P1(sc, "8727 LASI status 0x%x", val1);
10491
10492 /* Clear MSG-OUT */
10493 elink_cl45_read(sc, phy,
10494 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
10495
10496 /* If a module is present and there is need to check
10497 * for over current
10498 */
10499 if (!(phy->flags & ELINK_FLAGS_NOC) && !(rx_alarm_status & (1 << 5))) {
10500 /* Check over-current using 8727 GPIO0 input*/
10501 elink_cl45_read(sc, phy,
10502 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
10503 &val1);
10504
10505 if ((val1 & (1 << 8)) == 0) {
10506 uint8_t oc_port = params->port;
10507 if (!CHIP_IS_E1x(sc))
10508 oc_port = SC_PATH(sc) + (params->port << 1);
10509 ELINK_DEBUG_P1(sc,
10510 "8727 Power fault has been detected on port %d",
10511 oc_port);
10512 elink_cb_event_log(sc, ELINK_LOG_ID_OVER_CURRENT,
10513 oc_port);
10514 /* "Error: Power fault on Port %d has "
10515 * "been detected and the power to "
10516 * "that SFP+ module has been removed "
10517 * "to prevent failure of the card. "
10518 * "Please remove the SFP+ module and "
10519 * "restart the system to clear this "
10520 * "error.",
10521 */
10522 /* Disable all RX_ALARMs except for mod_abs */
10523 elink_cl45_write(sc, phy,
10524 MDIO_PMA_DEVAD,
10525 MDIO_PMA_LASI_RXCTRL, (1 << 5));
10526
10527 elink_cl45_read(sc, phy,
10528 MDIO_PMA_DEVAD,
10529 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
10530 /* Wait for module_absent_event */
10531 val1 |= (1 << 8);
10532 elink_cl45_write(sc, phy,
10533 MDIO_PMA_DEVAD,
10534 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
10535 /* Clear RX alarm */
10536 elink_cl45_read(sc, phy,
10537 MDIO_PMA_DEVAD,
10538 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
10539 elink_8727_power_module(params->sc, phy, 0);
10540 return 0;
10541 }
10542 } /* Over current check */
10543
10544 /* When module absent bit is set, check module */
10545 if (rx_alarm_status & (1 << 5)) {
10546 elink_8727_handle_mod_abs(phy, params);
10547 /* Enable all mod_abs and link detection bits */
10548 elink_cl45_write(sc, phy,
10549 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
10550 ((1 << 5) | (1 << 2)));
10551 }
10552
10553 if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED)) {
10554 ELINK_DEBUG_P0(sc, "Enabling 8727 TX laser");
10555 elink_sfp_set_transmitter(params, phy, 1);
10556 } else {
10557 ELINK_DEBUG_P0(sc, "Tx is disabled");
10558 return 0;
10559 }
10560
10561 elink_cl45_read(sc, phy,
10562 MDIO_PMA_DEVAD,
10563 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
10564
10565 /* Bits 0..2 --> speed detected,
10566 * Bits 13..15--> link is down
10567 */
10568 if ((link_status & (1 << 2)) && (!(link_status & (1 << 15)))) {
10569 link_up = 1;
10570 vars->line_speed = ELINK_SPEED_10000;
10571 ELINK_DEBUG_P1(sc, "port %x: External link up in 10G",
10572 params->port);
10573 } else if ((link_status & (1 << 0)) && (!(link_status & (1 << 13)))) {
10574 link_up = 1;
10575 vars->line_speed = ELINK_SPEED_1000;
10576 ELINK_DEBUG_P1(sc, "port %x: External link up in 1G",
10577 params->port);
10578 } else {
10579 link_up = 0;
10580 ELINK_DEBUG_P1(sc, "port %x: External link is down",
10581 params->port);
10582 }
10583
10584 /* Capture 10G link fault. */
10585 if (vars->line_speed == ELINK_SPEED_10000) {
10586 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
10587 MDIO_PMA_LASI_TXSTAT, &val1);
10588
10589 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
10590 MDIO_PMA_LASI_TXSTAT, &val1);
10591
10592 if (val1 & (1 << 0)) {
10593 vars->fault_detected = 1;
10594 }
10595 }
10596
10597 if (link_up) {
10598 elink_ext_phy_resolve_fc(phy, params, vars);
10599 vars->duplex = DUPLEX_FULL;
10600 ELINK_DEBUG_P1(sc, "duplex = 0x%x", vars->duplex);
10601 }
10602
10603 if ((ELINK_DUAL_MEDIA(params)) &&
10604 (phy->req_line_speed == ELINK_SPEED_1000)) {
10605 elink_cl45_read(sc, phy,
10606 MDIO_PMA_DEVAD,
10607 MDIO_PMA_REG_8727_PCS_GP, &val1);
10608 /* In case of dual-media board and 1G, power up the XAUI side,
10609 * otherwise power it down. For 10G it is done automatically
10610 */
10611 if (link_up)
10612 val1 &= ~(3 << 10);
10613 else
10614 val1 |= (3 << 10);
10615 elink_cl45_write(sc, phy,
10616 MDIO_PMA_DEVAD,
10617 MDIO_PMA_REG_8727_PCS_GP, val1);
10618 }
10619 return link_up;
10620 }
10621
elink_8727_link_reset(struct elink_phy * phy,struct elink_params * params)10622 static void elink_8727_link_reset(struct elink_phy *phy,
10623 struct elink_params *params)
10624 {
10625 struct bnx2x_softc *sc = params->sc;
10626
10627 /* Enable/Disable PHY transmitter output */
10628 elink_set_disable_pmd_transmit(params, phy, 1);
10629
10630 /* Disable Transmitter */
10631 elink_sfp_set_transmitter(params, phy, 0);
10632 /* Clear LASI */
10633 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
10634
10635 }
10636
10637 /******************************************************************/
10638 /* BNX2X8481/BNX2X84823/BNX2X84833 PHY SECTION */
10639 /******************************************************************/
elink_is_8483x_8485x(struct elink_phy * phy)10640 static int elink_is_8483x_8485x(struct elink_phy *phy)
10641 {
10642 return ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84833) ||
10643 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84834) ||
10644 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84858));
10645 }
10646
elink_save_848xx_spirom_version(struct elink_phy * phy,struct bnx2x_softc * sc,uint8_t port)10647 static void elink_save_848xx_spirom_version(struct elink_phy *phy,
10648 struct bnx2x_softc *sc,
10649 uint8_t port)
10650 {
10651 uint16_t val, fw_ver2, cnt, i;
10652 static struct elink_reg_set reg_set[] = {
10653 {MDIO_PMA_DEVAD, 0xA819, 0x0014},
10654 {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
10655 {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
10656 {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
10657 {MDIO_PMA_DEVAD, 0xA817, 0x0009}
10658 };
10659 uint16_t fw_ver1;
10660
10661 if (elink_is_8483x_8485x(phy)) {
10662 elink_cl45_read(sc, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
10663 elink_save_spirom_version(sc, port, fw_ver1 & 0xfff,
10664 phy->ver_addr);
10665 } else {
10666 /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
10667 /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
10668 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
10669 elink_cl45_write(sc, phy, reg_set[i].devad,
10670 reg_set[i].reg, reg_set[i].val);
10671
10672 for (cnt = 0; cnt < 100; cnt++) {
10673 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA818, &val);
10674 if (val & 1)
10675 break;
10676 DELAY(5);
10677 }
10678 if (cnt == 100) {
10679 ELINK_DEBUG_P0(sc, "Unable to read 848xx "
10680 "phy fw version(1)");
10681 elink_save_spirom_version(sc, port, 0,
10682 phy->ver_addr);
10683 return;
10684 }
10685
10686
10687 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
10688 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
10689 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
10690 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
10691 for (cnt = 0; cnt < 100; cnt++) {
10692 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA818, &val);
10693 if (val & 1)
10694 break;
10695 DELAY(5);
10696 }
10697 if (cnt == 100) {
10698 ELINK_DEBUG_P0(sc, "Unable to read 848xx phy fw "
10699 "version(2)");
10700 elink_save_spirom_version(sc, port, 0,
10701 phy->ver_addr);
10702 return;
10703 }
10704
10705 /* lower 16 bits of the register SPI_FW_STATUS */
10706 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
10707 /* upper 16 bits of register SPI_FW_STATUS */
10708 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
10709
10710 elink_save_spirom_version(sc, port, (fw_ver2 << 16) | fw_ver1,
10711 phy->ver_addr);
10712 }
10713
10714 }
elink_848xx_set_led(struct bnx2x_softc * sc,struct elink_phy * phy)10715 static void elink_848xx_set_led(struct bnx2x_softc *sc,
10716 struct elink_phy *phy)
10717 {
10718 uint16_t val, offset, i;
10719 static struct elink_reg_set reg_set[] = {
10720 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
10721 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
10722 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
10723 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
10724 {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
10725 MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
10726 {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
10727 };
10728 /* PHYC_CTL_LED_CTL */
10729 elink_cl45_read(sc, phy,
10730 MDIO_PMA_DEVAD,
10731 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
10732 val &= 0xFE00;
10733 val |= 0x0092;
10734
10735 elink_cl45_write(sc, phy,
10736 MDIO_PMA_DEVAD,
10737 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
10738
10739 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
10740 elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
10741 reg_set[i].val);
10742
10743 if (elink_is_8483x_8485x(phy))
10744 offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
10745 else
10746 offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
10747
10748 /* stretch_en for LED3*/
10749 elink_cl45_read_or_write(sc, phy,
10750 MDIO_PMA_DEVAD, offset,
10751 MDIO_PMA_REG_84823_LED3_STRETCH_EN);
10752 }
10753
elink_848xx_specific_func(struct elink_phy * phy,struct elink_params * params,uint32_t action)10754 static void elink_848xx_specific_func(struct elink_phy *phy,
10755 struct elink_params *params,
10756 uint32_t action)
10757 {
10758 struct bnx2x_softc *sc = params->sc;
10759 switch (action) {
10760 case ELINK_PHY_INIT:
10761 if (!elink_is_8483x_8485x(phy)) {
10762 /* Save spirom version */
10763 elink_save_848xx_spirom_version(phy, sc, params->port);
10764 }
10765 /* This phy uses the NIG latch mechanism since link indication
10766 * arrives through its LED4 and not via its LASI signal, so we
10767 * get steady signal instead of clear on read
10768 */
10769 elink_bits_en(sc, NIG_REG_LATCH_BC_0 + params->port * 4,
10770 1 << ELINK_NIG_LATCH_BC_ENABLE_MI_INT);
10771
10772 elink_848xx_set_led(sc, phy);
10773 break;
10774 }
10775 }
10776
elink_848xx_cmn_config_init(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)10777 static elink_status_t elink_848xx_cmn_config_init(struct elink_phy *phy,
10778 struct elink_params *params,
10779 struct elink_vars *vars)
10780 {
10781 struct bnx2x_softc *sc = params->sc;
10782 uint16_t autoneg_val, an_1000_val, an_10_100_val;
10783
10784 elink_848xx_specific_func(phy, params, ELINK_PHY_INIT);
10785 elink_cl45_write(sc, phy,
10786 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
10787
10788 /* set 1000 speed advertisement */
10789 elink_cl45_read(sc, phy,
10790 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
10791 &an_1000_val);
10792
10793 elink_ext_phy_set_pause(params, phy, vars);
10794 elink_cl45_read(sc, phy,
10795 MDIO_AN_DEVAD,
10796 MDIO_AN_REG_8481_LEGACY_AN_ADV,
10797 &an_10_100_val);
10798 elink_cl45_read(sc, phy,
10799 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
10800 &autoneg_val);
10801 /* Disable forced speed */
10802 autoneg_val &= ~((1 << 6) | (1 << 8) | (1 << 9) | (1 << 12) |
10803 (1 << 13));
10804 an_10_100_val &= ~((1 << 5) | (1 << 6) | (1 << 7) | (1 << 8));
10805
10806 if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
10807 (phy->speed_cap_mask &
10808 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10809 (phy->req_line_speed == ELINK_SPEED_1000)) {
10810 an_1000_val |= (1 << 8);
10811 autoneg_val |= (1 << 9 | 1 << 12);
10812 if (phy->req_duplex == DUPLEX_FULL)
10813 an_1000_val |= (1 << 9);
10814 ELINK_DEBUG_P0(sc, "Advertising 1G");
10815 } else
10816 an_1000_val &= ~((1 << 8) | (1 << 9));
10817
10818 elink_cl45_write(sc, phy,
10819 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
10820 an_1000_val);
10821
10822 /* Set 10/100 speed advertisement */
10823 if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
10824 if (phy->speed_cap_mask &
10825 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
10826 /* Enable autoneg and restart autoneg for legacy speeds
10827 */
10828 autoneg_val |= (1 << 9 | 1 << 12);
10829 an_10_100_val |= (1 << 8);
10830 ELINK_DEBUG_P0(sc, "Advertising 100M-FD");
10831 }
10832
10833 if (phy->speed_cap_mask &
10834 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
10835 /* Enable autoneg and restart autoneg for legacy speeds
10836 */
10837 autoneg_val |= (1 << 9 | 1 << 12);
10838 an_10_100_val |= (1 << 7);
10839 ELINK_DEBUG_P0(sc, "Advertising 100M-HD");
10840 }
10841
10842 if ((phy->speed_cap_mask &
10843 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
10844 (phy->supported & ELINK_SUPPORTED_10baseT_Full)) {
10845 an_10_100_val |= (1 << 6);
10846 autoneg_val |= (1 << 9 | 1 << 12);
10847 ELINK_DEBUG_P0(sc, "Advertising 10M-FD");
10848 }
10849
10850 if ((phy->speed_cap_mask &
10851 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
10852 (phy->supported & ELINK_SUPPORTED_10baseT_Half)) {
10853 an_10_100_val |= (1 << 5);
10854 autoneg_val |= (1 << 9 | 1 << 12);
10855 ELINK_DEBUG_P0(sc, "Advertising 10M-HD");
10856 }
10857 }
10858
10859 /* Only 10/100 are allowed to work in FORCE mode */
10860 if ((phy->req_line_speed == ELINK_SPEED_100) &&
10861 (phy->supported &
10862 (ELINK_SUPPORTED_100baseT_Half |
10863 ELINK_SUPPORTED_100baseT_Full))) {
10864 autoneg_val |= (1 << 13);
10865 /* Enabled AUTO-MDIX when autoneg is disabled */
10866 elink_cl45_write(sc, phy,
10867 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
10868 (1 << 15 | 1 << 9 | 7 << 0));
10869 /* The PHY needs this set even for forced link. */
10870 an_10_100_val |= (1 << 8) | (1 << 7);
10871 ELINK_DEBUG_P0(sc, "Setting 100M force");
10872 }
10873 if ((phy->req_line_speed == ELINK_SPEED_10) &&
10874 (phy->supported &
10875 (ELINK_SUPPORTED_10baseT_Half |
10876 ELINK_SUPPORTED_10baseT_Full))) {
10877 /* Enabled AUTO-MDIX when autoneg is disabled */
10878 elink_cl45_write(sc, phy,
10879 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
10880 (1 << 15 | 1 << 9 | 7 << 0));
10881 ELINK_DEBUG_P0(sc, "Setting 10M force");
10882 }
10883
10884 elink_cl45_write(sc, phy,
10885 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
10886 an_10_100_val);
10887
10888 if (phy->req_duplex == DUPLEX_FULL)
10889 autoneg_val |= (1 << 8);
10890
10891 /* Always write this if this is not 84833/4.
10892 * For 84833/4, write it only when it's a forced speed.
10893 */
10894 if (!elink_is_8483x_8485x(phy) ||
10895 ((autoneg_val & (1 << 12)) == 0))
10896 elink_cl45_write(sc, phy,
10897 MDIO_AN_DEVAD,
10898 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
10899
10900 if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
10901 (phy->speed_cap_mask &
10902 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
10903 (phy->req_line_speed == ELINK_SPEED_10000)) {
10904 ELINK_DEBUG_P0(sc, "Advertising 10G");
10905 /* Restart autoneg for 10G*/
10906
10907 elink_cl45_read_or_write(
10908 sc, phy,
10909 MDIO_AN_DEVAD,
10910 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
10911 0x1000);
10912 elink_cl45_write(sc, phy,
10913 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
10914 0x3200);
10915 } else
10916 elink_cl45_write(sc, phy,
10917 MDIO_AN_DEVAD,
10918 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
10919 1);
10920
10921 return ELINK_STATUS_OK;
10922 }
10923
elink_8481_config_init(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)10924 static uint8_t elink_8481_config_init(struct elink_phy *phy,
10925 struct elink_params *params,
10926 struct elink_vars *vars)
10927 {
10928 struct bnx2x_softc *sc = params->sc;
10929 /* Restore normal power mode*/
10930 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
10931 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
10932
10933 /* HW reset */
10934 elink_ext_phy_hw_reset(sc, params->port);
10935 elink_wait_reset_complete(sc, phy, params);
10936
10937 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1 << 15);
10938 return elink_848xx_cmn_config_init(phy, params, vars);
10939 }
10940
10941 #define PHY848xx_CMDHDLR_WAIT 300
10942 #define PHY848xx_CMDHDLR_MAX_ARGS 5
10943
elink_84858_cmd_hdlr(struct elink_phy * phy,struct elink_params * params,uint16_t fw_cmd,uint16_t cmd_args[],int argc)10944 static elink_status_t elink_84858_cmd_hdlr(struct elink_phy *phy,
10945 struct elink_params *params,
10946 uint16_t fw_cmd,
10947 uint16_t cmd_args[], int argc)
10948 {
10949 int idx;
10950 uint16_t val;
10951 struct bnx2x_softc *sc = params->sc;
10952
10953 /* Step 1: Poll the STATUS register to see whether the previous command
10954 * is in progress or the system is busy (CMD_IN_PROGRESS or
10955 * SYSTEM_BUSY). If previous command is in progress or system is busy,
10956 * check again until the previous command finishes execution and the
10957 * system is available for taking command
10958 */
10959
10960 for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
10961 elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
10962 MDIO_848xx_CMD_HDLR_STATUS, &val);
10963 if ((val != PHY84858_STATUS_CMD_IN_PROGRESS) &&
10964 (val != PHY84858_STATUS_CMD_SYSTEM_BUSY))
10965 break;
10966 DELAY(1000 * 1);
10967 }
10968 if (idx >= PHY848xx_CMDHDLR_WAIT) {
10969 ELINK_DEBUG_P0(sc, "FW cmd: FW not ready.");
10970 return ELINK_STATUS_ERROR;
10971 }
10972
10973 /* Step2: If any parameters are required for the function, write them
10974 * to the required DATA registers
10975 */
10976
10977 for (idx = 0; idx < argc; idx++) {
10978 elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
10979 MDIO_848xx_CMD_HDLR_DATA1 + idx,
10980 cmd_args[idx]);
10981 }
10982
10983 /* Step3: When the firmware is ready for commands, write the 'Command
10984 * code' to the CMD register
10985 */
10986 elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
10987 MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
10988
10989 /* Step4: Once the command has been written, poll the STATUS register
10990 * to check whether the command has completed (CMD_COMPLETED_PASS/
10991 * CMD_FOR_CMDS or CMD_COMPLETED_ERROR).
10992 */
10993
10994 for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
10995 elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
10996 MDIO_848xx_CMD_HDLR_STATUS, &val);
10997 if ((val == PHY84858_STATUS_CMD_COMPLETE_PASS) ||
10998 (val == PHY84858_STATUS_CMD_COMPLETE_ERROR))
10999 break;
11000 DELAY(1000 * 1);
11001 }
11002 if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
11003 (val == PHY84858_STATUS_CMD_COMPLETE_ERROR)) {
11004 ELINK_DEBUG_P0(sc, "FW cmd failed.");
11005 return ELINK_STATUS_ERROR;
11006 }
11007 /* Step5: Once the command has completed, read the specified DATA
11008 * registers for any saved results for the command, if applicable
11009 */
11010
11011 /* Gather returning data */
11012 for (idx = 0; idx < argc; idx++) {
11013 elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
11014 MDIO_848xx_CMD_HDLR_DATA1 + idx,
11015 &cmd_args[idx]);
11016 }
11017
11018 return ELINK_STATUS_OK;
11019 }
11020
elink_84833_cmd_hdlr(struct elink_phy * phy,struct elink_params * params,uint16_t fw_cmd,uint16_t cmd_args[],int argc,int process)11021 static elink_status_t elink_84833_cmd_hdlr(struct elink_phy *phy,
11022 struct elink_params *params, uint16_t fw_cmd,
11023 uint16_t cmd_args[], int argc, int process)
11024 {
11025 int idx;
11026 uint16_t val;
11027 struct bnx2x_softc *sc = params->sc;
11028 elink_status_t rc = ELINK_STATUS_OK;
11029
11030 if (process == PHY84833_MB_PROCESS2) {
11031 /* Write CMD_OPEN_OVERRIDE to STATUS reg */
11032 elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
11033 MDIO_848xx_CMD_HDLR_STATUS,
11034 PHY84833_STATUS_CMD_OPEN_OVERRIDE);
11035 }
11036
11037 for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
11038 elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
11039 MDIO_848xx_CMD_HDLR_STATUS, &val);
11040 if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
11041 break;
11042 DELAY(1000 * 1);
11043 }
11044 if (idx >= PHY848xx_CMDHDLR_WAIT) {
11045 ELINK_DEBUG_P0(sc, "FW cmd: FW not ready.");
11046 /* if the status is CMD_COMPLETE_PASS or CMD_COMPLETE_ERROR
11047 * clear the status to CMD_CLEAR_COMPLETE
11048 */
11049 if (val == PHY84833_STATUS_CMD_COMPLETE_PASS ||
11050 val == PHY84833_STATUS_CMD_COMPLETE_ERROR) {
11051 elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
11052 MDIO_848xx_CMD_HDLR_STATUS,
11053 PHY84833_STATUS_CMD_CLEAR_COMPLETE);
11054 }
11055 return ELINK_STATUS_ERROR;
11056 }
11057 if (process == PHY84833_MB_PROCESS1 ||
11058 process == PHY84833_MB_PROCESS2) {
11059 /* Prepare argument(s) */
11060 for (idx = 0; idx < argc; idx++) {
11061 elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
11062 MDIO_848xx_CMD_HDLR_DATA1 + idx,
11063 cmd_args[idx]);
11064 }
11065 }
11066
11067 /* Issue command */
11068 elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
11069 MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
11070 for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
11071 elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
11072 MDIO_848xx_CMD_HDLR_STATUS, &val);
11073 if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
11074 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
11075 break;
11076 DELAY(1000 * 1);
11077 }
11078 if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
11079 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
11080 ELINK_DEBUG_P0(sc, "FW cmd failed.");
11081 rc = ELINK_STATUS_ERROR;
11082 }
11083 if (process == PHY84833_MB_PROCESS3 && rc == ELINK_STATUS_OK) {
11084 /* Gather returning data */
11085 for (idx = 0; idx < argc; idx++) {
11086 elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
11087 MDIO_848xx_CMD_HDLR_DATA1 + idx,
11088 &cmd_args[idx]);
11089 }
11090 }
11091 if (val == PHY84833_STATUS_CMD_COMPLETE_ERROR ||
11092 val == PHY84833_STATUS_CMD_COMPLETE_PASS) {
11093 elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
11094 MDIO_848xx_CMD_HDLR_STATUS,
11095 PHY84833_STATUS_CMD_CLEAR_COMPLETE);
11096 }
11097 return rc;
11098 }
11099
elink_848xx_cmd_hdlr(struct elink_phy * phy,struct elink_params * params,uint16_t fw_cmd,uint16_t cmd_args[],int argc,int process)11100 static elink_status_t elink_848xx_cmd_hdlr(struct elink_phy *phy,
11101 struct elink_params *params,
11102 uint16_t fw_cmd,
11103 uint16_t cmd_args[], int argc,
11104 int process)
11105 {
11106 struct bnx2x_softc *sc = params->sc;
11107
11108 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84858) ||
11109 (REG_RD(sc, params->shmem2_base +
11110 offsetof(struct shmem2_region,
11111 link_attr_sync[params->port])) &
11112 LINK_ATTR_84858)) {
11113 return elink_84858_cmd_hdlr(phy, params, fw_cmd, cmd_args,
11114 argc);
11115 } else {
11116 return elink_84833_cmd_hdlr(phy, params, fw_cmd, cmd_args,
11117 argc, process);
11118 }
11119 }
11120
elink_848xx_pair_swap_cfg(struct elink_phy * phy,struct elink_params * params,__rte_unused struct elink_vars * vars)11121 static elink_status_t elink_848xx_pair_swap_cfg(struct elink_phy *phy,
11122 struct elink_params *params,
11123 __rte_unused struct elink_vars *vars)
11124 {
11125 uint32_t pair_swap;
11126 uint16_t data[PHY848xx_CMDHDLR_MAX_ARGS];
11127 elink_status_t status;
11128 struct bnx2x_softc *sc = params->sc;
11129
11130 /* Check for configuration. */
11131 pair_swap = REG_RD(sc, params->shmem_base +
11132 offsetof(struct shmem_region,
11133 dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
11134 PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
11135
11136 if (pair_swap == 0)
11137 return ELINK_STATUS_OK;
11138
11139 /* Only the second argument is used for this command */
11140 data[1] = (uint16_t)pair_swap;
11141
11142 status = elink_848xx_cmd_hdlr(phy, params,
11143 PHY848xx_CMD_SET_PAIR_SWAP, data,
11144 2, PHY84833_MB_PROCESS2);
11145 if (status == ELINK_STATUS_OK)
11146 ELINK_DEBUG_P1(sc, "Pairswap OK, val=0x%x", data[1]);
11147
11148 return status;
11149 }
11150
elink_84833_get_reset_gpios(struct bnx2x_softc * sc,uint32_t shmem_base_path[],__rte_unused uint32_t chip_id)11151 static uint8_t elink_84833_get_reset_gpios(struct bnx2x_softc *sc,
11152 uint32_t shmem_base_path[],
11153 __rte_unused uint32_t chip_id)
11154 {
11155 uint32_t reset_pin[2];
11156 uint32_t idx;
11157 uint8_t reset_gpios;
11158 if (CHIP_IS_E3(sc)) {
11159 /* Assume that these will be GPIOs, not EPIOs. */
11160 for (idx = 0; idx < 2; idx++) {
11161 /* Map config param to register bit. */
11162 reset_pin[idx] = REG_RD(sc, shmem_base_path[idx] +
11163 offsetof(struct shmem_region,
11164 dev_info.port_hw_config[0].e3_cmn_pin_cfg));
11165 reset_pin[idx] = (reset_pin[idx] &
11166 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
11167 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
11168 reset_pin[idx] -= PIN_CFG_GPIO0_P0;
11169 reset_pin[idx] = (1 << reset_pin[idx]);
11170 }
11171 reset_gpios = (uint8_t)(reset_pin[0] | reset_pin[1]);
11172 } else {
11173 /* E2, look from diff place of shmem. */
11174 for (idx = 0; idx < 2; idx++) {
11175 reset_pin[idx] = REG_RD(sc, shmem_base_path[idx] +
11176 offsetof(struct shmem_region,
11177 dev_info.port_hw_config[0].default_cfg));
11178 reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
11179 reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
11180 reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
11181 reset_pin[idx] = (1 << reset_pin[idx]);
11182 }
11183 reset_gpios = (uint8_t)(reset_pin[0] | reset_pin[1]);
11184 }
11185
11186 return reset_gpios;
11187 }
11188
elink_84833_hw_reset_phy(struct elink_phy * phy,struct elink_params * params)11189 static void elink_84833_hw_reset_phy(struct elink_phy *phy,
11190 struct elink_params *params)
11191 {
11192 struct bnx2x_softc *sc = params->sc;
11193 uint8_t reset_gpios;
11194 uint32_t other_shmem_base_addr = REG_RD(sc, params->shmem2_base +
11195 offsetof(struct shmem2_region,
11196 other_shmem_base_addr));
11197
11198 uint32_t shmem_base_path[2];
11199
11200 /* Work around for 84833 LED failure inside RESET status */
11201 elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
11202 MDIO_AN_REG_8481_LEGACY_MII_CTRL,
11203 MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
11204 elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
11205 MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
11206 MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
11207
11208 shmem_base_path[0] = params->shmem_base;
11209 shmem_base_path[1] = other_shmem_base_addr;
11210
11211 reset_gpios = elink_84833_get_reset_gpios(sc, shmem_base_path,
11212 params->chip_id);
11213
11214 elink_cb_gpio_mult_write(sc, reset_gpios,
11215 MISC_REGISTERS_GPIO_OUTPUT_LOW);
11216 DELAY(10);
11217 ELINK_DEBUG_P1(sc, "84833 hw reset on pin values 0x%x",
11218 reset_gpios);
11219 }
11220
elink_8483x_disable_eee(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)11221 static elink_status_t elink_8483x_disable_eee(struct elink_phy *phy,
11222 struct elink_params *params,
11223 struct elink_vars *vars)
11224 {
11225 elink_status_t rc;
11226 struct bnx2x_softc *sc = params->sc;
11227 uint16_t cmd_args = 0;
11228
11229 ELINK_DEBUG_P0(sc, "Don't Advertise 10GBase-T EEE");
11230
11231 /* Prevent Phy from working in EEE and advertising it */
11232 rc = elink_848xx_cmd_hdlr(phy, params, PHY848xx_CMD_SET_EEE_MODE,
11233 &cmd_args, 1, PHY84833_MB_PROCESS1);
11234 if (rc != ELINK_STATUS_OK) {
11235 ELINK_DEBUG_P0(sc, "EEE disable failed.");
11236 return rc;
11237 }
11238
11239 return elink_eee_disable(phy, params, vars);
11240 }
11241
elink_8483x_enable_eee(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)11242 static elink_status_t elink_8483x_enable_eee(struct elink_phy *phy,
11243 struct elink_params *params,
11244 struct elink_vars *vars)
11245 {
11246 elink_status_t rc;
11247 struct bnx2x_softc *sc = params->sc;
11248 uint16_t cmd_args = 1;
11249
11250 rc = elink_848xx_cmd_hdlr(phy, params, PHY848xx_CMD_SET_EEE_MODE,
11251 &cmd_args, 1, PHY84833_MB_PROCESS1);
11252 if (rc != ELINK_STATUS_OK) {
11253 ELINK_DEBUG_P0(sc, "EEE enable failed.");
11254 return rc;
11255 }
11256
11257 return elink_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
11258 }
11259
11260 #define PHY84833_CONSTANT_LATENCY 1193
elink_848x3_config_init(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)11261 static uint8_t elink_848x3_config_init(struct elink_phy *phy,
11262 struct elink_params *params,
11263 struct elink_vars *vars)
11264 {
11265 struct bnx2x_softc *sc = params->sc;
11266 uint8_t port, initialize = 1;
11267 uint16_t val;
11268 uint32_t actual_phy_selection;
11269 uint16_t cmd_args[PHY848xx_CMDHDLR_MAX_ARGS];
11270 elink_status_t rc = ELINK_STATUS_OK;
11271
11272 DELAY(1000 * 1);
11273
11274 if (!(CHIP_IS_E1x(sc)))
11275 port = SC_PATH(sc);
11276 else
11277 port = params->port;
11278
11279 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84823) {
11280 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_3,
11281 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
11282 port);
11283 } else {
11284 /* MDIO reset */
11285 elink_cl45_write(sc, phy,
11286 MDIO_PMA_DEVAD,
11287 MDIO_PMA_REG_CTRL, 0x8000);
11288 }
11289
11290 elink_wait_reset_complete(sc, phy, params);
11291
11292 /* Wait for GPHY to come out of reset */
11293 DELAY(1000 * 50);
11294 if (!elink_is_8483x_8485x(phy)) {
11295 /* BNX2X84823 requires that XGXS links up first @ 10G for normal
11296 * behavior.
11297 */
11298 uint16_t temp;
11299 temp = vars->line_speed;
11300 vars->line_speed = ELINK_SPEED_10000;
11301 elink_set_autoneg(¶ms->phy[ELINK_INT_PHY], params, vars, 0);
11302 elink_program_serdes(¶ms->phy[ELINK_INT_PHY], params, vars);
11303 vars->line_speed = temp;
11304 }
11305 /* Check if this is actually BNX2X84858 */
11306 if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84858) {
11307 uint16_t hw_rev;
11308
11309 elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
11310 MDIO_AN_REG_848xx_ID_MSB, &hw_rev);
11311 if (hw_rev == BNX2X84858_PHY_ID) {
11312 params->link_attr_sync |= LINK_ATTR_84858;
11313 elink_update_link_attr(params, params->link_attr_sync);
11314 }
11315 }
11316
11317 /* Set dual-media configuration according to configuration */
11318 elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
11319 MDIO_CTL_REG_84823_MEDIA, &val);
11320 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
11321 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
11322 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
11323 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
11324 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
11325
11326 if (CHIP_IS_E3(sc)) {
11327 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
11328 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
11329 } else {
11330 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
11331 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
11332 }
11333
11334 actual_phy_selection = elink_phy_selection(params);
11335
11336 switch (actual_phy_selection) {
11337 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
11338 /* Do nothing. Essentially this is like the priority copper */
11339 break;
11340 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
11341 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
11342 break;
11343 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
11344 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
11345 break;
11346 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
11347 /* Do nothing here. The first PHY won't be initialized at all */
11348 break;
11349 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
11350 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
11351 initialize = 0;
11352 break;
11353 }
11354 if (params->phy[ELINK_EXT_PHY2].req_line_speed == ELINK_SPEED_1000)
11355 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
11356
11357 elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
11358 MDIO_CTL_REG_84823_MEDIA, val);
11359 ELINK_DEBUG_P2(sc, "Multi_phy config = 0x%x, Media control = 0x%x",
11360 params->multi_phy_config, val);
11361
11362 if (elink_is_8483x_8485x(phy)) {
11363 elink_848xx_pair_swap_cfg(phy, params, vars);
11364
11365 /* Keep AutogrEEEn disabled. */
11366 cmd_args[0] = 0x0;
11367 cmd_args[1] = 0x0;
11368 cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
11369 cmd_args[3] = PHY84833_CONSTANT_LATENCY;
11370 rc = elink_848xx_cmd_hdlr(phy, params,
11371 PHY848xx_CMD_SET_EEE_MODE, cmd_args,
11372 4, PHY84833_MB_PROCESS1);
11373 if (rc != ELINK_STATUS_OK)
11374 ELINK_DEBUG_P0(sc, "Cfg AutogrEEEn failed.");
11375 }
11376 if (initialize)
11377 rc = elink_848xx_cmn_config_init(phy, params, vars);
11378 else
11379 elink_save_848xx_spirom_version(phy, sc, params->port);
11380 /* 84833 PHY has a better feature and doesn't need to support this. */
11381 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84823) {
11382 uint32_t cms_enable = REG_RD(sc, params->shmem_base +
11383 offsetof(struct shmem_region,
11384 dev_info.port_hw_config[params->port].default_cfg)) &
11385 PORT_HW_CFG_ENABLE_CMS_MASK;
11386
11387 elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
11388 MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
11389 if (cms_enable)
11390 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
11391 else
11392 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
11393 elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
11394 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
11395 }
11396
11397 elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
11398 MDIO_84833_TOP_CFG_FW_REV, &val);
11399
11400 /* Configure EEE support */
11401 if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
11402 (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
11403 elink_eee_has_cap(params)) {
11404 rc = elink_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
11405 if (rc != ELINK_STATUS_OK) {
11406 ELINK_DEBUG_P0(sc, "Failed to configure EEE timers");
11407 elink_8483x_disable_eee(phy, params, vars);
11408 return rc;
11409 }
11410
11411 if ((phy->req_duplex == DUPLEX_FULL) &&
11412 (params->eee_mode & ELINK_EEE_MODE_ADV_LPI) &&
11413 (elink_eee_calc_timer(params) ||
11414 !(params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI)))
11415 rc = elink_8483x_enable_eee(phy, params, vars);
11416 else
11417 rc = elink_8483x_disable_eee(phy, params, vars);
11418 if (rc != ELINK_STATUS_OK) {
11419 ELINK_DEBUG_P0(sc, "Failed to set EEE advertisement");
11420 return rc;
11421 }
11422 } else {
11423 vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
11424 }
11425
11426 if (elink_is_8483x_8485x(phy)) {
11427 /* Bring PHY out of super isolate mode as the final step. */
11428 elink_cl45_read_and_write(sc, phy,
11429 MDIO_CTL_DEVAD,
11430 MDIO_84833_TOP_CFG_XGPHY_STRAP1,
11431 (uint16_t)~MDIO_84833_SUPER_ISOLATE);
11432 }
11433 return rc;
11434 }
11435
elink_848xx_read_status(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)11436 static uint8_t elink_848xx_read_status(struct elink_phy *phy,
11437 struct elink_params *params,
11438 struct elink_vars *vars)
11439 {
11440 struct bnx2x_softc *sc = params->sc;
11441 uint16_t val, val1, val2;
11442 uint8_t link_up = 0;
11443
11444
11445 /* Check 10G-BaseT link status */
11446 /* Check PMD signal ok */
11447 elink_cl45_read(sc, phy,
11448 MDIO_AN_DEVAD, 0xFFFA, &val1);
11449 elink_cl45_read(sc, phy,
11450 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
11451 &val2);
11452 ELINK_DEBUG_P1(sc, "BNX2X848xx: PMD_SIGNAL 1.a811 = 0x%x", val2);
11453
11454 /* Check link 10G */
11455 if (val2 & (1 << 11)) {
11456 vars->line_speed = ELINK_SPEED_10000;
11457 vars->duplex = DUPLEX_FULL;
11458 link_up = 1;
11459 elink_ext_phy_10G_an_resolve(sc, phy, vars);
11460 } else { /* Check Legacy speed link */
11461 uint16_t legacy_status, legacy_speed;
11462
11463 /* Enable expansion register 0x42 (Operation mode status) */
11464 elink_cl45_write(sc, phy,
11465 MDIO_AN_DEVAD,
11466 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
11467
11468 /* Get legacy speed operation status */
11469 elink_cl45_read(sc, phy,
11470 MDIO_AN_DEVAD,
11471 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
11472 &legacy_status);
11473
11474 ELINK_DEBUG_P1(sc, "Legacy speed status = 0x%x",
11475 legacy_status);
11476 link_up = ((legacy_status & (1 << 11)) == (1 << 11));
11477 legacy_speed = (legacy_status & (3 << 9));
11478 if (legacy_speed == (0 << 9))
11479 vars->line_speed = ELINK_SPEED_10;
11480 else if (legacy_speed == (1 << 9))
11481 vars->line_speed = ELINK_SPEED_100;
11482 else if (legacy_speed == (2 << 9))
11483 vars->line_speed = ELINK_SPEED_1000;
11484 else { /* Should not happen: Treat as link down */
11485 vars->line_speed = 0;
11486 link_up = 0;
11487 }
11488
11489 if (params->feature_config_flags &
11490 ELINK_FEATURE_CONFIG_IEEE_PHY_TEST) {
11491 uint16_t mii_ctrl;
11492
11493 elink_cl45_read(sc, phy,
11494 MDIO_AN_DEVAD,
11495 MDIO_AN_REG_8481_LEGACY_MII_CTRL,
11496 &mii_ctrl);
11497 /* For IEEE testing, check for a fake link. */
11498 link_up |= ((mii_ctrl & 0x3040) == 0x40);
11499 }
11500
11501 if (link_up) {
11502 if (legacy_status & (1 << 8))
11503 vars->duplex = DUPLEX_FULL;
11504 else
11505 vars->duplex = DUPLEX_HALF;
11506
11507 ELINK_DEBUG_P2(sc,
11508 "Link is up in %dMbps, is_duplex_full= %d",
11509 vars->line_speed,
11510 (vars->duplex == DUPLEX_FULL));
11511 /* Check legacy speed AN resolution */
11512 elink_cl45_read(sc, phy,
11513 MDIO_AN_DEVAD,
11514 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
11515 &val);
11516 if (val & (1 << 5))
11517 vars->link_status |=
11518 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
11519 elink_cl45_read(sc, phy,
11520 MDIO_AN_DEVAD,
11521 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
11522 &val);
11523 if ((val & (1 << 0)) == 0)
11524 vars->link_status |=
11525 LINK_STATUS_PARALLEL_DETECTION_USED;
11526 }
11527 }
11528 if (link_up) {
11529 ELINK_DEBUG_P1(sc, "BNX2X848x3: link speed is %d",
11530 vars->line_speed);
11531 elink_ext_phy_resolve_fc(phy, params, vars);
11532
11533 /* Read LP advertised speeds */
11534 elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
11535 MDIO_AN_REG_CL37_FC_LP, &val);
11536 if (val & (1 << 5))
11537 vars->link_status |=
11538 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
11539 if (val & (1 << 6))
11540 vars->link_status |=
11541 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
11542 if (val & (1 << 7))
11543 vars->link_status |=
11544 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
11545 if (val & (1 << 8))
11546 vars->link_status |=
11547 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
11548 if (val & (1 << 9))
11549 vars->link_status |=
11550 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
11551
11552 elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
11553 MDIO_AN_REG_1000T_STATUS, &val);
11554
11555 if (val & (1 << 10))
11556 vars->link_status |=
11557 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
11558 if (val & (1 << 11))
11559 vars->link_status |=
11560 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
11561
11562 elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
11563 MDIO_AN_REG_MASTER_STATUS, &val);
11564
11565 if (val & (1 << 11))
11566 vars->link_status |=
11567 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
11568
11569 /* Determine if EEE was negotiated */
11570 if (elink_is_8483x_8485x(phy))
11571 elink_eee_an_resolve(phy, params, vars);
11572 }
11573
11574 return link_up;
11575 }
11576
elink_848xx_format_ver(uint32_t raw_ver,uint8_t * str,uint16_t * len)11577 static elink_status_t elink_848xx_format_ver(uint32_t raw_ver, uint8_t *str,
11578 uint16_t *len)
11579 {
11580 elink_status_t status = ELINK_STATUS_OK;
11581 uint32_t spirom_ver;
11582 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
11583 status = elink_format_ver(spirom_ver, str, len);
11584 return status;
11585 }
11586
elink_8481_hw_reset(__rte_unused struct elink_phy * phy,struct elink_params * params)11587 static void elink_8481_hw_reset(__rte_unused struct elink_phy *phy,
11588 struct elink_params *params)
11589 {
11590 elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_1,
11591 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
11592 elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_1,
11593 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
11594 }
11595
elink_8481_link_reset(struct elink_phy * phy,struct elink_params * params)11596 static void elink_8481_link_reset(struct elink_phy *phy,
11597 struct elink_params *params)
11598 {
11599 elink_cl45_write(params->sc, phy,
11600 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
11601 elink_cl45_write(params->sc, phy,
11602 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
11603 }
11604
elink_848x3_link_reset(struct elink_phy * phy,struct elink_params * params)11605 static void elink_848x3_link_reset(struct elink_phy *phy,
11606 struct elink_params *params)
11607 {
11608 struct bnx2x_softc *sc = params->sc;
11609 uint8_t port;
11610 uint16_t val16;
11611
11612 if (!(CHIP_IS_E1x(sc)))
11613 port = SC_PATH(sc);
11614 else
11615 port = params->port;
11616
11617 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84823) {
11618 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_3,
11619 MISC_REGISTERS_GPIO_OUTPUT_LOW,
11620 port);
11621 } else {
11622 elink_cl45_read(sc, phy,
11623 MDIO_CTL_DEVAD,
11624 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
11625 val16 |= MDIO_84833_SUPER_ISOLATE;
11626 elink_cl45_write(sc, phy,
11627 MDIO_CTL_DEVAD,
11628 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
11629 }
11630 }
11631
elink_848xx_set_link_led(struct elink_phy * phy,struct elink_params * params,uint8_t mode)11632 static void elink_848xx_set_link_led(struct elink_phy *phy,
11633 struct elink_params *params, uint8_t mode)
11634 {
11635 struct bnx2x_softc *sc = params->sc;
11636 uint16_t val;
11637 uint8_t port;
11638
11639 if (!(CHIP_IS_E1x(sc)))
11640 port = SC_PATH(sc);
11641 else
11642 port = params->port;
11643 switch (mode) {
11644 case ELINK_LED_MODE_OFF:
11645
11646 ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE OFF", port);
11647
11648 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
11649 SHARED_HW_CFG_LED_EXTPHY1) {
11650
11651 /* Set LED masks */
11652 elink_cl45_write(sc, phy,
11653 MDIO_PMA_DEVAD,
11654 MDIO_PMA_REG_8481_LED1_MASK,
11655 0x0);
11656
11657 elink_cl45_write(sc, phy,
11658 MDIO_PMA_DEVAD,
11659 MDIO_PMA_REG_8481_LED2_MASK,
11660 0x0);
11661
11662 elink_cl45_write(sc, phy,
11663 MDIO_PMA_DEVAD,
11664 MDIO_PMA_REG_8481_LED3_MASK,
11665 0x0);
11666
11667 elink_cl45_write(sc, phy,
11668 MDIO_PMA_DEVAD,
11669 MDIO_PMA_REG_8481_LED5_MASK,
11670 0x0);
11671
11672 } else {
11673 elink_cl45_write(sc, phy,
11674 MDIO_PMA_DEVAD,
11675 MDIO_PMA_REG_8481_LED1_MASK,
11676 0x0);
11677 }
11678 break;
11679 case ELINK_LED_MODE_FRONT_PANEL_OFF:
11680
11681 ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE FRONT PANEL OFF",
11682 port);
11683
11684 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
11685 SHARED_HW_CFG_LED_EXTPHY1) {
11686
11687 /* Set LED masks */
11688 elink_cl45_write(sc, phy,
11689 MDIO_PMA_DEVAD,
11690 MDIO_PMA_REG_8481_LED1_MASK,
11691 0x0);
11692
11693 elink_cl45_write(sc, phy,
11694 MDIO_PMA_DEVAD,
11695 MDIO_PMA_REG_8481_LED2_MASK,
11696 0x0);
11697
11698 elink_cl45_write(sc, phy,
11699 MDIO_PMA_DEVAD,
11700 MDIO_PMA_REG_8481_LED3_MASK,
11701 0x0);
11702
11703 elink_cl45_write(sc, phy,
11704 MDIO_PMA_DEVAD,
11705 MDIO_PMA_REG_8481_LED5_MASK,
11706 0x20);
11707
11708 } else {
11709 elink_cl45_write(sc, phy,
11710 MDIO_PMA_DEVAD,
11711 MDIO_PMA_REG_8481_LED1_MASK,
11712 0x0);
11713 if (phy->type ==
11714 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84834) {
11715 /* Disable MI_INT interrupt before setting LED4
11716 * source to constant off.
11717 */
11718 if (REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 +
11719 params->port * 4) &
11720 ELINK_NIG_MASK_MI_INT) {
11721 params->link_flags |=
11722 ELINK_LINK_FLAGS_INT_DISABLED;
11723
11724 elink_bits_dis(
11725 sc,
11726 NIG_REG_MASK_INTERRUPT_PORT0 +
11727 params->port * 4,
11728 ELINK_NIG_MASK_MI_INT);
11729 }
11730 elink_cl45_write(sc, phy,
11731 MDIO_PMA_DEVAD,
11732 MDIO_PMA_REG_8481_SIGNAL_MASK,
11733 0x0);
11734 }
11735 }
11736 break;
11737 case ELINK_LED_MODE_ON:
11738
11739 ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE ON", port);
11740
11741 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
11742 SHARED_HW_CFG_LED_EXTPHY1) {
11743 /* Set control reg */
11744 elink_cl45_read(sc, phy,
11745 MDIO_PMA_DEVAD,
11746 MDIO_PMA_REG_8481_LINK_SIGNAL,
11747 &val);
11748 val &= 0x8000;
11749 val |= 0x2492;
11750
11751 elink_cl45_write(sc, phy,
11752 MDIO_PMA_DEVAD,
11753 MDIO_PMA_REG_8481_LINK_SIGNAL,
11754 val);
11755
11756 /* Set LED masks */
11757 elink_cl45_write(sc, phy,
11758 MDIO_PMA_DEVAD,
11759 MDIO_PMA_REG_8481_LED1_MASK,
11760 0x0);
11761
11762 elink_cl45_write(sc, phy,
11763 MDIO_PMA_DEVAD,
11764 MDIO_PMA_REG_8481_LED2_MASK,
11765 0x20);
11766
11767 elink_cl45_write(sc, phy,
11768 MDIO_PMA_DEVAD,
11769 MDIO_PMA_REG_8481_LED3_MASK,
11770 0x20);
11771
11772 elink_cl45_write(sc, phy,
11773 MDIO_PMA_DEVAD,
11774 MDIO_PMA_REG_8481_LED5_MASK,
11775 0x0);
11776 } else {
11777 elink_cl45_write(sc, phy,
11778 MDIO_PMA_DEVAD,
11779 MDIO_PMA_REG_8481_LED1_MASK,
11780 0x20);
11781 if (phy->type ==
11782 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84834) {
11783 /* Disable MI_INT interrupt before setting LED4
11784 * source to constant on.
11785 */
11786 if (REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 +
11787 params->port * 4) &
11788 ELINK_NIG_MASK_MI_INT) {
11789 params->link_flags |=
11790 ELINK_LINK_FLAGS_INT_DISABLED;
11791
11792 elink_bits_dis(
11793 sc,
11794 NIG_REG_MASK_INTERRUPT_PORT0 +
11795 params->port * 4,
11796 ELINK_NIG_MASK_MI_INT);
11797 }
11798 elink_cl45_write(sc, phy,
11799 MDIO_PMA_DEVAD,
11800 MDIO_PMA_REG_8481_SIGNAL_MASK,
11801 0x20);
11802 }
11803 }
11804 break;
11805
11806 case ELINK_LED_MODE_OPER:
11807
11808 ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE OPER", port);
11809
11810 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
11811 SHARED_HW_CFG_LED_EXTPHY1) {
11812
11813 /* Set control reg */
11814 elink_cl45_read(sc, phy,
11815 MDIO_PMA_DEVAD,
11816 MDIO_PMA_REG_8481_LINK_SIGNAL,
11817 &val);
11818
11819 if (!((val &
11820 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
11821 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
11822 ELINK_DEBUG_P0(sc, "Setting LINK_SIGNAL");
11823 elink_cl45_write(sc, phy,
11824 MDIO_PMA_DEVAD,
11825 MDIO_PMA_REG_8481_LINK_SIGNAL,
11826 0xa492);
11827 }
11828
11829 /* Set LED masks */
11830 elink_cl45_write(sc, phy,
11831 MDIO_PMA_DEVAD,
11832 MDIO_PMA_REG_8481_LED1_MASK,
11833 0x10);
11834
11835 elink_cl45_write(sc, phy,
11836 MDIO_PMA_DEVAD,
11837 MDIO_PMA_REG_8481_LED2_MASK,
11838 0x80);
11839
11840 elink_cl45_write(sc, phy,
11841 MDIO_PMA_DEVAD,
11842 MDIO_PMA_REG_8481_LED3_MASK,
11843 0x98);
11844
11845 elink_cl45_write(sc, phy,
11846 MDIO_PMA_DEVAD,
11847 MDIO_PMA_REG_8481_LED5_MASK,
11848 0x40);
11849
11850 } else {
11851 /* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
11852 * sources are all wired through LED1, rather than only
11853 * 10G in other modes.
11854 */
11855 val = ((params->hw_led_mode <<
11856 SHARED_HW_CFG_LED_MODE_SHIFT) ==
11857 SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
11858
11859 elink_cl45_write(sc, phy,
11860 MDIO_PMA_DEVAD,
11861 MDIO_PMA_REG_8481_LED1_MASK,
11862 val);
11863
11864 /* Tell LED3 to blink on source */
11865 elink_cl45_read(sc, phy,
11866 MDIO_PMA_DEVAD,
11867 MDIO_PMA_REG_8481_LINK_SIGNAL,
11868 &val);
11869 val &= ~(7 << 6);
11870 val |= (1 << 6); /* A83B[8:6]= 1 */
11871 elink_cl45_write(sc, phy,
11872 MDIO_PMA_DEVAD,
11873 MDIO_PMA_REG_8481_LINK_SIGNAL,
11874 val);
11875 if (phy->type ==
11876 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84834) {
11877 /* Restore LED4 source to external link,
11878 * and re-enable interrupts.
11879 */
11880 elink_cl45_write(sc, phy,
11881 MDIO_PMA_DEVAD,
11882 MDIO_PMA_REG_8481_SIGNAL_MASK,
11883 0x40);
11884 if (params->link_flags &
11885 ELINK_LINK_FLAGS_INT_DISABLED) {
11886 elink_link_int_enable(params);
11887 params->link_flags &=
11888 ~ELINK_LINK_FLAGS_INT_DISABLED;
11889 }
11890 }
11891 }
11892 break;
11893 }
11894
11895 /* This is a workaround for E3 + 84833 until autoneg
11896 * restart is fixed in f/w
11897 */
11898 if (CHIP_IS_E3(sc)) {
11899 elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
11900 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
11901 }
11902 }
11903
11904 /******************************************************************/
11905 /* 54618SE PHY SECTION */
11906 /******************************************************************/
elink_54618se_specific_func(struct elink_phy * phy,struct elink_params * params,uint32_t action)11907 static void elink_54618se_specific_func(struct elink_phy *phy,
11908 struct elink_params *params,
11909 uint32_t action)
11910 {
11911 struct bnx2x_softc *sc = params->sc;
11912 uint16_t temp;
11913 switch (action) {
11914 case ELINK_PHY_INIT:
11915 /* Configure LED4: set to INTR (0x6). */
11916 /* Accessing shadow register 0xe. */
11917 elink_cl22_write(sc, phy,
11918 MDIO_REG_GPHY_SHADOW,
11919 MDIO_REG_GPHY_SHADOW_LED_SEL2);
11920 elink_cl22_read(sc, phy,
11921 MDIO_REG_GPHY_SHADOW,
11922 &temp);
11923 temp &= ~(0xf << 4);
11924 temp |= (0x6 << 4);
11925 elink_cl22_write(sc, phy,
11926 MDIO_REG_GPHY_SHADOW,
11927 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
11928 /* Configure INTR based on link status change. */
11929 elink_cl22_write(sc, phy,
11930 MDIO_REG_INTR_MASK,
11931 ~MDIO_REG_INTR_MASK_LINK_STATUS);
11932 break;
11933 }
11934 }
11935
elink_54618se_config_init(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)11936 static uint8_t elink_54618se_config_init(struct elink_phy *phy,
11937 struct elink_params *params,
11938 struct elink_vars *vars)
11939 {
11940 struct bnx2x_softc *sc = params->sc;
11941 uint8_t port;
11942 uint16_t autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
11943 uint32_t cfg_pin;
11944
11945 ELINK_DEBUG_P0(sc, "54618SE cfg init");
11946 DELAY(1000 * 1);
11947
11948 /* This works with E3 only, no need to check the chip
11949 * before determining the port.
11950 */
11951 port = params->port;
11952
11953 cfg_pin = (REG_RD(sc, params->shmem_base +
11954 offsetof(struct shmem_region,
11955 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
11956 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
11957 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
11958
11959 /* Drive pin high to bring the GPHY out of reset. */
11960 elink_set_cfg_pin(sc, cfg_pin, 1);
11961
11962 /* wait for GPHY to reset */
11963 DELAY(1000 * 50);
11964
11965 /* reset phy */
11966 elink_cl22_write(sc, phy,
11967 MDIO_PMA_REG_CTRL, 0x8000);
11968 elink_wait_reset_complete(sc, phy, params);
11969
11970 /* Wait for GPHY to reset */
11971 DELAY(1000 * 50);
11972
11973
11974 elink_54618se_specific_func(phy, params, ELINK_PHY_INIT);
11975 /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
11976 elink_cl22_write(sc, phy,
11977 MDIO_REG_GPHY_SHADOW,
11978 MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
11979 elink_cl22_read(sc, phy,
11980 MDIO_REG_GPHY_SHADOW,
11981 &temp);
11982 temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
11983 elink_cl22_write(sc, phy,
11984 MDIO_REG_GPHY_SHADOW,
11985 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
11986
11987 /* Set up fc */
11988 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
11989 elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
11990 fc_val = 0;
11991 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
11992 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
11993 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
11994
11995 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
11996 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
11997 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
11998
11999 /* Read all advertisement */
12000 elink_cl22_read(sc, phy,
12001 0x09,
12002 &an_1000_val);
12003
12004 elink_cl22_read(sc, phy,
12005 0x04,
12006 &an_10_100_val);
12007
12008 elink_cl22_read(sc, phy,
12009 MDIO_PMA_REG_CTRL,
12010 &autoneg_val);
12011
12012 /* Disable forced speed */
12013 autoneg_val &= ~((1 << 6) | (1 << 8) | (1 << 9) | (1 << 12) |
12014 (1 << 13));
12015 an_10_100_val &= ~((1 << 5) | (1 << 6) | (1 << 7) | (1 << 8) |
12016 (1 << 10) | (1 << 11));
12017
12018 if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
12019 (phy->speed_cap_mask &
12020 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
12021 (phy->req_line_speed == ELINK_SPEED_1000)) {
12022 an_1000_val |= (1 << 8);
12023 autoneg_val |= (1 << 9 | 1 << 12);
12024 if (phy->req_duplex == DUPLEX_FULL)
12025 an_1000_val |= (1 << 9);
12026 ELINK_DEBUG_P0(sc, "Advertising 1G");
12027 } else
12028 an_1000_val &= ~((1 << 8) | (1 << 9));
12029
12030 elink_cl22_write(sc, phy,
12031 0x09,
12032 an_1000_val);
12033 elink_cl22_read(sc, phy,
12034 0x09,
12035 &an_1000_val);
12036
12037 /* Advertise 10/100 link speed */
12038 if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
12039 if (phy->speed_cap_mask &
12040 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
12041 an_10_100_val |= (1 << 5);
12042 autoneg_val |= (1 << 9 | 1 << 12);
12043 ELINK_DEBUG_P0(sc, "Advertising 10M-HD");
12044 }
12045 if (phy->speed_cap_mask &
12046 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
12047 an_10_100_val |= (1 << 6);
12048 autoneg_val |= (1 << 9 | 1 << 12);
12049 ELINK_DEBUG_P0(sc, "Advertising 10M-FD");
12050 }
12051 if (phy->speed_cap_mask &
12052 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
12053 an_10_100_val |= (1 << 7);
12054 autoneg_val |= (1 << 9 | 1 << 12);
12055 ELINK_DEBUG_P0(sc, "Advertising 100M-HD");
12056 }
12057 if (phy->speed_cap_mask &
12058 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
12059 an_10_100_val |= (1 << 8);
12060 autoneg_val |= (1 << 9 | 1 << 12);
12061 ELINK_DEBUG_P0(sc, "Advertising 100M-FD");
12062 }
12063 }
12064
12065 /* Only 10/100 are allowed to work in FORCE mode */
12066 if (phy->req_line_speed == ELINK_SPEED_100) {
12067 autoneg_val |= (1 << 13);
12068 /* Enabled AUTO-MDIX when autoneg is disabled */
12069 elink_cl22_write(sc, phy,
12070 0x18,
12071 (1 << 15 | 1 << 9 | 7 << 0));
12072 ELINK_DEBUG_P0(sc, "Setting 100M force");
12073 }
12074 if (phy->req_line_speed == ELINK_SPEED_10) {
12075 /* Enabled AUTO-MDIX when autoneg is disabled */
12076 elink_cl22_write(sc, phy,
12077 0x18,
12078 (1 << 15 | 1 << 9 | 7 << 0));
12079 ELINK_DEBUG_P0(sc, "Setting 10M force");
12080 }
12081
12082 if ((phy->flags & ELINK_FLAGS_EEE) && elink_eee_has_cap(params)) {
12083 elink_status_t rc;
12084
12085 elink_cl22_write(sc, phy, MDIO_REG_GPHY_EXP_ACCESS,
12086 MDIO_REG_GPHY_EXP_ACCESS_TOP |
12087 MDIO_REG_GPHY_EXP_TOP_2K_BUF);
12088 elink_cl22_read(sc, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
12089 temp &= 0xfffe;
12090 elink_cl22_write(sc, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
12091
12092 rc = elink_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
12093 if (rc != ELINK_STATUS_OK) {
12094 ELINK_DEBUG_P0(sc, "Failed to configure EEE timers");
12095 elink_eee_disable(phy, params, vars);
12096 } else if ((params->eee_mode & ELINK_EEE_MODE_ADV_LPI) &&
12097 (phy->req_duplex == DUPLEX_FULL) &&
12098 (elink_eee_calc_timer(params) ||
12099 !(params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI))) {
12100 /* Need to advertise EEE only when requested,
12101 * and either no LPI assertion was requested,
12102 * or it was requested and a valid timer was set.
12103 * Also notice full duplex is required for EEE.
12104 */
12105 elink_eee_advertise(phy, params, vars,
12106 SHMEM_EEE_1G_ADV);
12107 } else {
12108 ELINK_DEBUG_P0(sc, "Don't Advertise 1GBase-T EEE");
12109 elink_eee_disable(phy, params, vars);
12110 }
12111 } else {
12112 vars->eee_status &= ((uint32_t)(~SHMEM_EEE_1G_ADV) <<
12113 SHMEM_EEE_SUPPORTED_SHIFT);
12114
12115 if (phy->flags & ELINK_FLAGS_EEE) {
12116 /* Handle legacy auto-grEEEn */
12117 if (params->feature_config_flags &
12118 ELINK_FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
12119 temp = 6;
12120 ELINK_DEBUG_P0(sc, "Enabling Auto-GrEEEn");
12121 } else {
12122 temp = 0;
12123 ELINK_DEBUG_P0(sc, "Don't Adv. EEE");
12124 }
12125 elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
12126 MDIO_AN_REG_EEE_ADV, temp);
12127 }
12128 }
12129
12130 elink_cl22_write(sc, phy,
12131 0x04,
12132 an_10_100_val | fc_val);
12133
12134 if (phy->req_duplex == DUPLEX_FULL)
12135 autoneg_val |= (1 << 8);
12136
12137 elink_cl22_write(sc, phy,
12138 MDIO_PMA_REG_CTRL, autoneg_val);
12139
12140 return ELINK_STATUS_OK;
12141 }
12142
12143
elink_5461x_set_link_led(struct elink_phy * phy,struct elink_params * params,uint8_t mode)12144 static void elink_5461x_set_link_led(struct elink_phy *phy,
12145 struct elink_params *params, uint8_t mode)
12146 {
12147 struct bnx2x_softc *sc = params->sc;
12148 uint16_t temp;
12149
12150 elink_cl22_write(sc, phy,
12151 MDIO_REG_GPHY_SHADOW,
12152 MDIO_REG_GPHY_SHADOW_LED_SEL1);
12153 elink_cl22_read(sc, phy,
12154 MDIO_REG_GPHY_SHADOW,
12155 &temp);
12156 temp &= 0xff00;
12157
12158 ELINK_DEBUG_P1(sc, "54618x set link led (mode=%x)", mode);
12159 switch (mode) {
12160 case ELINK_LED_MODE_FRONT_PANEL_OFF:
12161 case ELINK_LED_MODE_OFF:
12162 temp |= 0x00ee;
12163 break;
12164 case ELINK_LED_MODE_OPER:
12165 temp |= 0x0001;
12166 break;
12167 case ELINK_LED_MODE_ON:
12168 temp |= 0x00ff;
12169 break;
12170 default:
12171 break;
12172 }
12173 elink_cl22_write(sc, phy,
12174 MDIO_REG_GPHY_SHADOW,
12175 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
12176 return;
12177 }
12178
12179
elink_54618se_link_reset(struct elink_phy * phy,struct elink_params * params)12180 static void elink_54618se_link_reset(struct elink_phy *phy,
12181 struct elink_params *params)
12182 {
12183 struct bnx2x_softc *sc = params->sc;
12184 uint32_t cfg_pin;
12185 uint8_t port;
12186
12187 /* In case of no EPIO routed to reset the GPHY, put it
12188 * in low power mode.
12189 */
12190 elink_cl22_write(sc, phy, MDIO_PMA_REG_CTRL, 0x800);
12191 /* This works with E3 only, no need to check the chip
12192 * before determining the port.
12193 */
12194 port = params->port;
12195 cfg_pin = (REG_RD(sc, params->shmem_base +
12196 offsetof(struct shmem_region,
12197 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
12198 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
12199 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
12200
12201 /* Drive pin low to put GPHY in reset. */
12202 elink_set_cfg_pin(sc, cfg_pin, 0);
12203 }
12204
elink_54618se_read_status(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)12205 static uint8_t elink_54618se_read_status(struct elink_phy *phy,
12206 struct elink_params *params,
12207 struct elink_vars *vars)
12208 {
12209 struct bnx2x_softc *sc = params->sc;
12210 uint16_t val;
12211 uint8_t link_up = 0;
12212 uint16_t legacy_status, legacy_speed;
12213
12214 /* Get speed operation status */
12215 elink_cl22_read(sc, phy,
12216 MDIO_REG_GPHY_AUX_STATUS,
12217 &legacy_status);
12218 ELINK_DEBUG_P1(sc, "54618SE read_status: 0x%x", legacy_status);
12219
12220 /* Read status to clear the PHY interrupt. */
12221 elink_cl22_read(sc, phy,
12222 MDIO_REG_INTR_STATUS,
12223 &val);
12224
12225 link_up = ((legacy_status & (1 << 2)) == (1 << 2));
12226
12227 if (link_up) {
12228 legacy_speed = (legacy_status & (7 << 8));
12229 if (legacy_speed == (7 << 8)) {
12230 vars->line_speed = ELINK_SPEED_1000;
12231 vars->duplex = DUPLEX_FULL;
12232 } else if (legacy_speed == (6 << 8)) {
12233 vars->line_speed = ELINK_SPEED_1000;
12234 vars->duplex = DUPLEX_HALF;
12235 } else if (legacy_speed == (5 << 8)) {
12236 vars->line_speed = ELINK_SPEED_100;
12237 vars->duplex = DUPLEX_FULL;
12238 }
12239 /* Omitting 100Base-T4 for now */
12240 else if (legacy_speed == (3 << 8)) {
12241 vars->line_speed = ELINK_SPEED_100;
12242 vars->duplex = DUPLEX_HALF;
12243 } else if (legacy_speed == (2 << 8)) {
12244 vars->line_speed = ELINK_SPEED_10;
12245 vars->duplex = DUPLEX_FULL;
12246 } else if (legacy_speed == (1 << 8)) {
12247 vars->line_speed = ELINK_SPEED_10;
12248 vars->duplex = DUPLEX_HALF;
12249 } else /* Should not happen */
12250 vars->line_speed = 0;
12251
12252 ELINK_DEBUG_P2(sc,
12253 "Link is up in %dMbps, is_duplex_full= %d",
12254 vars->line_speed,
12255 (vars->duplex == DUPLEX_FULL));
12256
12257 /* Check legacy speed AN resolution */
12258 elink_cl22_read(sc, phy,
12259 0x01,
12260 &val);
12261 if (val & (1 << 5))
12262 vars->link_status |=
12263 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
12264 elink_cl22_read(sc, phy,
12265 0x06,
12266 &val);
12267 if ((val & (1 << 0)) == 0)
12268 vars->link_status |=
12269 LINK_STATUS_PARALLEL_DETECTION_USED;
12270
12271 ELINK_DEBUG_P1(sc, "BNX2X4618SE: link speed is %d",
12272 vars->line_speed);
12273
12274 elink_ext_phy_resolve_fc(phy, params, vars);
12275
12276 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
12277 /* Report LP advertised speeds */
12278 elink_cl22_read(sc, phy, 0x5, &val);
12279
12280 if (val & (1 << 5))
12281 vars->link_status |=
12282 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
12283 if (val & (1 << 6))
12284 vars->link_status |=
12285 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
12286 if (val & (1 << 7))
12287 vars->link_status |=
12288 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
12289 if (val & (1 << 8))
12290 vars->link_status |=
12291 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
12292 if (val & (1 << 9))
12293 vars->link_status |=
12294 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
12295
12296 elink_cl22_read(sc, phy, 0xa, &val);
12297 if (val & (1 << 10))
12298 vars->link_status |=
12299 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
12300 if (val & (1 << 11))
12301 vars->link_status |=
12302 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
12303
12304 if ((phy->flags & ELINK_FLAGS_EEE) &&
12305 elink_eee_has_cap(params))
12306 elink_eee_an_resolve(phy, params, vars);
12307 }
12308 }
12309 return link_up;
12310 }
12311
elink_54618se_config_loopback(struct elink_phy * phy,struct elink_params * params)12312 static void elink_54618se_config_loopback(struct elink_phy *phy,
12313 struct elink_params *params)
12314 {
12315 struct bnx2x_softc *sc = params->sc;
12316 uint16_t val;
12317 uint32_t umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
12318
12319 ELINK_DEBUG_P0(sc, "2PMA/PMD ext_phy_loopback: 54618se");
12320
12321 /* Enable master/slave manual mmode and set to master */
12322 /* mii write 9 [bits set 11 12] */
12323 elink_cl22_write(sc, phy, 0x09, 3 << 11);
12324
12325 /* forced 1G and disable autoneg */
12326 /* set val [mii read 0] */
12327 /* set val [expr $val & [bits clear 6 12 13]] */
12328 /* set val [expr $val | [bits set 6 8]] */
12329 /* mii write 0 $val */
12330 elink_cl22_read(sc, phy, 0x00, &val);
12331 val &= ~((1 << 6) | (1 << 12) | (1 << 13));
12332 val |= (1 << 6) | (1 << 8);
12333 elink_cl22_write(sc, phy, 0x00, val);
12334
12335 /* Set external loopback and Tx using 6dB coding */
12336 /* mii write 0x18 7 */
12337 /* set val [mii read 0x18] */
12338 /* mii write 0x18 [expr $val | [bits set 10 15]] */
12339 elink_cl22_write(sc, phy, 0x18, 7);
12340 elink_cl22_read(sc, phy, 0x18, &val);
12341 elink_cl22_write(sc, phy, 0x18, val | (1 << 10) | (1 << 15));
12342
12343 /* This register opens the gate for the UMAC despite its name */
12344 REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port * 4, 1);
12345
12346 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
12347 * length used by the MAC receive logic to check frames.
12348 */
12349 REG_WR(sc, umac_base + UMAC_REG_MAXFR, 0x2710);
12350 }
12351
12352 /******************************************************************/
12353 /* SFX7101 PHY SECTION */
12354 /******************************************************************/
elink_7101_config_loopback(struct elink_phy * phy,struct elink_params * params)12355 static void elink_7101_config_loopback(struct elink_phy *phy,
12356 struct elink_params *params)
12357 {
12358 struct bnx2x_softc *sc = params->sc;
12359 /* SFX7101_XGXS_TEST1 */
12360 elink_cl45_write(sc, phy,
12361 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
12362 }
12363
elink_7101_config_init(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)12364 static uint8_t elink_7101_config_init(struct elink_phy *phy,
12365 struct elink_params *params,
12366 struct elink_vars *vars)
12367 {
12368 uint16_t fw_ver1, fw_ver2, val;
12369 struct bnx2x_softc *sc = params->sc;
12370 ELINK_DEBUG_P0(sc, "Setting the SFX7101 LASI indication");
12371
12372 /* Restore normal power mode*/
12373 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
12374 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
12375 /* HW reset */
12376 elink_ext_phy_hw_reset(sc, params->port);
12377 elink_wait_reset_complete(sc, phy, params);
12378
12379 elink_cl45_write(sc, phy,
12380 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
12381 ELINK_DEBUG_P0(sc, "Setting the SFX7101 LED to blink on traffic");
12382 elink_cl45_write(sc, phy,
12383 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1 << 3));
12384
12385 elink_ext_phy_set_pause(params, phy, vars);
12386 /* Restart autoneg */
12387 elink_cl45_read(sc, phy,
12388 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
12389 val |= 0x200;
12390 elink_cl45_write(sc, phy,
12391 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
12392
12393 /* Save spirom version */
12394 elink_cl45_read(sc, phy,
12395 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
12396
12397 elink_cl45_read(sc, phy,
12398 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
12399 elink_save_spirom_version(sc, params->port,
12400 (uint32_t)(fw_ver1 << 16 | fw_ver2),
12401 phy->ver_addr);
12402 return ELINK_STATUS_OK;
12403 }
12404
elink_7101_read_status(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)12405 static uint8_t elink_7101_read_status(struct elink_phy *phy,
12406 struct elink_params *params,
12407 struct elink_vars *vars)
12408 {
12409 struct bnx2x_softc *sc = params->sc;
12410 uint8_t link_up;
12411 uint16_t val1, val2;
12412 elink_cl45_read(sc, phy,
12413 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
12414 elink_cl45_read(sc, phy,
12415 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
12416 ELINK_DEBUG_P2(sc, "10G-base-T LASI status 0x%x->0x%x",
12417 val2, val1);
12418 elink_cl45_read(sc, phy,
12419 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
12420 elink_cl45_read(sc, phy,
12421 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
12422 ELINK_DEBUG_P2(sc, "10G-base-T PMA status 0x%x->0x%x",
12423 val2, val1);
12424 link_up = ((val1 & 4) == 4);
12425 /* If link is up print the AN outcome of the SFX7101 PHY */
12426 if (link_up) {
12427 elink_cl45_read(sc, phy,
12428 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
12429 &val2);
12430 vars->line_speed = ELINK_SPEED_10000;
12431 vars->duplex = DUPLEX_FULL;
12432 ELINK_DEBUG_P2(sc, "SFX7101 AN status 0x%x->Master=%x",
12433 val2, (val2 & (1 << 14)));
12434 elink_ext_phy_10G_an_resolve(sc, phy, vars);
12435 elink_ext_phy_resolve_fc(phy, params, vars);
12436
12437 /* Read LP advertised speeds */
12438 if (val2 & (1 << 11))
12439 vars->link_status |=
12440 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
12441 }
12442 return link_up;
12443 }
12444
elink_7101_format_ver(uint32_t spirom_ver,uint8_t * str,uint16_t * len)12445 static elink_status_t elink_7101_format_ver(uint32_t spirom_ver, uint8_t *str,
12446 uint16_t *len)
12447 {
12448 if (*len < 5)
12449 return ELINK_STATUS_ERROR;
12450 str[0] = (spirom_ver & 0xFF);
12451 str[1] = (spirom_ver & 0xFF00) >> 8;
12452 str[2] = (spirom_ver & 0xFF0000) >> 16;
12453 str[3] = (spirom_ver & 0xFF000000) >> 24;
12454 str[4] = '\0';
12455 *len -= 5;
12456 return ELINK_STATUS_OK;
12457 }
12458
elink_sfx7101_sp_sw_reset(struct bnx2x_softc * sc,struct elink_phy * phy)12459 void elink_sfx7101_sp_sw_reset(struct bnx2x_softc *sc, struct elink_phy *phy)
12460 {
12461 uint16_t val, cnt;
12462
12463 elink_cl45_read(sc, phy,
12464 MDIO_PMA_DEVAD,
12465 MDIO_PMA_REG_7101_RESET, &val);
12466
12467 for (cnt = 0; cnt < 10; cnt++) {
12468 DELAY(1000 * 50);
12469 /* Writes a self-clearing reset */
12470 elink_cl45_write(sc, phy,
12471 MDIO_PMA_DEVAD,
12472 MDIO_PMA_REG_7101_RESET,
12473 (val | (1 << 15)));
12474 /* Wait for clear */
12475 elink_cl45_read(sc, phy,
12476 MDIO_PMA_DEVAD,
12477 MDIO_PMA_REG_7101_RESET, &val);
12478
12479 if ((val & (1 << 15)) == 0)
12480 break;
12481 }
12482 }
12483
elink_7101_hw_reset(__rte_unused struct elink_phy * phy,struct elink_params * params)12484 static void elink_7101_hw_reset(__rte_unused struct elink_phy *phy,
12485 struct elink_params *params) {
12486 /* Low power mode is controlled by GPIO 2 */
12487 elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_2,
12488 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
12489 /* The PHY reset is controlled by GPIO 1 */
12490 elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_1,
12491 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
12492 }
12493
elink_7101_set_link_led(struct elink_phy * phy,struct elink_params * params,uint8_t mode)12494 static void elink_7101_set_link_led(struct elink_phy *phy,
12495 struct elink_params *params, uint8_t mode)
12496 {
12497 uint16_t val = 0;
12498 struct bnx2x_softc *sc = params->sc;
12499 switch (mode) {
12500 case ELINK_LED_MODE_FRONT_PANEL_OFF:
12501 case ELINK_LED_MODE_OFF:
12502 val = 2;
12503 break;
12504 case ELINK_LED_MODE_ON:
12505 val = 1;
12506 break;
12507 case ELINK_LED_MODE_OPER:
12508 val = 0;
12509 break;
12510 }
12511 elink_cl45_write(sc, phy,
12512 MDIO_PMA_DEVAD,
12513 MDIO_PMA_REG_7107_LINK_LED_CNTL,
12514 val);
12515 }
12516
12517 /******************************************************************/
12518 /* STATIC PHY DECLARATION */
12519 /******************************************************************/
12520
12521 static const struct elink_phy phy_null = {
12522 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
12523 .addr = 0,
12524 .def_md_devad = 0,
12525 .flags = ELINK_FLAGS_INIT_XGXS_FIRST,
12526 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12527 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12528 .mdio_ctrl = 0,
12529 .supported = 0,
12530 .media_type = ELINK_ETH_PHY_NOT_PRESENT,
12531 .ver_addr = 0,
12532 .req_flow_ctrl = 0,
12533 .req_line_speed = 0,
12534 .speed_cap_mask = 0,
12535 .req_duplex = 0,
12536 .rsrv = 0,
12537 .config_init = (config_init_t)NULL,
12538 .read_status = (read_status_t)NULL,
12539 .link_reset = (link_reset_t)NULL,
12540 .config_loopback = (config_loopback_t)NULL,
12541 .format_fw_ver = (format_fw_ver_t)NULL,
12542 .hw_reset = (hw_reset_t)NULL,
12543 .set_link_led = (set_link_led_t)NULL,
12544 .phy_specific_func = (phy_specific_func_t)NULL
12545 };
12546
12547 static const struct elink_phy phy_serdes = {
12548 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
12549 .addr = 0xff,
12550 .def_md_devad = 0,
12551 .flags = 0,
12552 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12553 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12554 .mdio_ctrl = 0,
12555 .supported = (ELINK_SUPPORTED_10baseT_Half |
12556 ELINK_SUPPORTED_10baseT_Full |
12557 ELINK_SUPPORTED_100baseT_Half |
12558 ELINK_SUPPORTED_100baseT_Full |
12559 ELINK_SUPPORTED_1000baseT_Full |
12560 ELINK_SUPPORTED_2500baseX_Full |
12561 ELINK_SUPPORTED_TP |
12562 ELINK_SUPPORTED_Autoneg |
12563 ELINK_SUPPORTED_Pause |
12564 ELINK_SUPPORTED_Asym_Pause),
12565 .media_type = ELINK_ETH_PHY_BASE_T,
12566 .ver_addr = 0,
12567 .req_flow_ctrl = 0,
12568 .req_line_speed = 0,
12569 .speed_cap_mask = 0,
12570 .req_duplex = 0,
12571 .rsrv = 0,
12572 .config_init = (config_init_t)elink_xgxs_config_init,
12573 .read_status = (read_status_t)elink_link_settings_status,
12574 .link_reset = (link_reset_t)elink_int_link_reset,
12575 .config_loopback = (config_loopback_t)NULL,
12576 .format_fw_ver = (format_fw_ver_t)NULL,
12577 .hw_reset = (hw_reset_t)NULL,
12578 .set_link_led = (set_link_led_t)NULL,
12579 .phy_specific_func = (phy_specific_func_t)NULL
12580 };
12581
12582 static const struct elink_phy phy_xgxs = {
12583 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
12584 .addr = 0xff,
12585 .def_md_devad = 0,
12586 .flags = 0,
12587 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12588 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12589 .mdio_ctrl = 0,
12590 .supported = (ELINK_SUPPORTED_10baseT_Half |
12591 ELINK_SUPPORTED_10baseT_Full |
12592 ELINK_SUPPORTED_100baseT_Half |
12593 ELINK_SUPPORTED_100baseT_Full |
12594 ELINK_SUPPORTED_1000baseT_Full |
12595 ELINK_SUPPORTED_2500baseX_Full |
12596 ELINK_SUPPORTED_10000baseT_Full |
12597 ELINK_SUPPORTED_FIBRE |
12598 ELINK_SUPPORTED_Autoneg |
12599 ELINK_SUPPORTED_Pause |
12600 ELINK_SUPPORTED_Asym_Pause),
12601 .media_type = ELINK_ETH_PHY_CX4,
12602 .ver_addr = 0,
12603 .req_flow_ctrl = 0,
12604 .req_line_speed = 0,
12605 .speed_cap_mask = 0,
12606 .req_duplex = 0,
12607 .rsrv = 0,
12608 .config_init = (config_init_t)elink_xgxs_config_init,
12609 .read_status = (read_status_t)elink_link_settings_status,
12610 .link_reset = (link_reset_t)elink_int_link_reset,
12611 .config_loopback = (config_loopback_t)elink_set_xgxs_loopback,
12612 .format_fw_ver = (format_fw_ver_t)NULL,
12613 .hw_reset = (hw_reset_t)NULL,
12614 .set_link_led = (set_link_led_t)NULL,
12615 .phy_specific_func = (phy_specific_func_t)elink_xgxs_specific_func
12616 };
12617 static const struct elink_phy phy_warpcore = {
12618 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
12619 .addr = 0xff,
12620 .def_md_devad = 0,
12621 .flags = ELINK_FLAGS_TX_ERROR_CHECK,
12622 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12623 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12624 .mdio_ctrl = 0,
12625 .supported = (ELINK_SUPPORTED_10baseT_Half |
12626 ELINK_SUPPORTED_10baseT_Full |
12627 ELINK_SUPPORTED_100baseT_Half |
12628 ELINK_SUPPORTED_100baseT_Full |
12629 ELINK_SUPPORTED_1000baseT_Full |
12630 ELINK_SUPPORTED_2500baseX_Full |
12631 ELINK_SUPPORTED_1000baseKX_Full |
12632 ELINK_SUPPORTED_10000baseT_Full |
12633 ELINK_SUPPORTED_10000baseKR_Full |
12634 ELINK_SUPPORTED_20000baseKR2_Full |
12635 ELINK_SUPPORTED_20000baseMLD2_Full |
12636 ELINK_SUPPORTED_FIBRE |
12637 ELINK_SUPPORTED_Autoneg |
12638 ELINK_SUPPORTED_Pause |
12639 ELINK_SUPPORTED_Asym_Pause),
12640 .media_type = ELINK_ETH_PHY_UNSPECIFIED,
12641 .ver_addr = 0,
12642 .req_flow_ctrl = 0,
12643 .req_line_speed = 0,
12644 .speed_cap_mask = 0,
12645 /* req_duplex = */0,
12646 /* rsrv = */0,
12647 .config_init = (config_init_t)elink_warpcore_config_init,
12648 .read_status = (read_status_t)elink_warpcore_read_status,
12649 .link_reset = (link_reset_t)elink_warpcore_link_reset,
12650 .config_loopback = (config_loopback_t)elink_set_warpcore_loopback,
12651 .format_fw_ver = (format_fw_ver_t)NULL,
12652 .hw_reset = (hw_reset_t)elink_warpcore_hw_reset,
12653 .set_link_led = (set_link_led_t)NULL,
12654 .phy_specific_func = (phy_specific_func_t)NULL
12655 };
12656
12657
12658 static const struct elink_phy phy_7101 = {
12659 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
12660 .addr = 0xff,
12661 .def_md_devad = 0,
12662 .flags = ELINK_FLAGS_FAN_FAILURE_DET_REQ,
12663 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12664 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12665 .mdio_ctrl = 0,
12666 .supported = (ELINK_SUPPORTED_10000baseT_Full |
12667 ELINK_SUPPORTED_TP |
12668 ELINK_SUPPORTED_Autoneg |
12669 ELINK_SUPPORTED_Pause |
12670 ELINK_SUPPORTED_Asym_Pause),
12671 .media_type = ELINK_ETH_PHY_BASE_T,
12672 .ver_addr = 0,
12673 .req_flow_ctrl = 0,
12674 .req_line_speed = 0,
12675 .speed_cap_mask = 0,
12676 .req_duplex = 0,
12677 .rsrv = 0,
12678 .config_init = (config_init_t)elink_7101_config_init,
12679 .read_status = (read_status_t)elink_7101_read_status,
12680 .link_reset = (link_reset_t)elink_common_ext_link_reset,
12681 .config_loopback = (config_loopback_t)elink_7101_config_loopback,
12682 .format_fw_ver = (format_fw_ver_t)elink_7101_format_ver,
12683 .hw_reset = (hw_reset_t)elink_7101_hw_reset,
12684 .set_link_led = (set_link_led_t)elink_7101_set_link_led,
12685 .phy_specific_func = (phy_specific_func_t)NULL
12686 };
12687 static const struct elink_phy phy_8073 = {
12688 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8073,
12689 .addr = 0xff,
12690 .def_md_devad = 0,
12691 .flags = 0,
12692 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12693 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12694 .mdio_ctrl = 0,
12695 .supported = (ELINK_SUPPORTED_10000baseT_Full |
12696 ELINK_SUPPORTED_2500baseX_Full |
12697 ELINK_SUPPORTED_1000baseT_Full |
12698 ELINK_SUPPORTED_FIBRE |
12699 ELINK_SUPPORTED_Autoneg |
12700 ELINK_SUPPORTED_Pause |
12701 ELINK_SUPPORTED_Asym_Pause),
12702 .media_type = ELINK_ETH_PHY_KR,
12703 .ver_addr = 0,
12704 .req_flow_ctrl = 0,
12705 .req_line_speed = 0,
12706 .speed_cap_mask = 0,
12707 .req_duplex = 0,
12708 .rsrv = 0,
12709 .config_init = (config_init_t)elink_8073_config_init,
12710 .read_status = (read_status_t)elink_8073_read_status,
12711 .link_reset = (link_reset_t)elink_8073_link_reset,
12712 .config_loopback = (config_loopback_t)NULL,
12713 .format_fw_ver = (format_fw_ver_t)elink_format_ver,
12714 .hw_reset = (hw_reset_t)NULL,
12715 .set_link_led = (set_link_led_t)NULL,
12716 .phy_specific_func = (phy_specific_func_t)elink_8073_specific_func
12717 };
12718 static const struct elink_phy phy_8705 = {
12719 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8705,
12720 .addr = 0xff,
12721 .def_md_devad = 0,
12722 .flags = ELINK_FLAGS_INIT_XGXS_FIRST,
12723 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12724 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12725 .mdio_ctrl = 0,
12726 .supported = (ELINK_SUPPORTED_10000baseT_Full |
12727 ELINK_SUPPORTED_FIBRE |
12728 ELINK_SUPPORTED_Pause |
12729 ELINK_SUPPORTED_Asym_Pause),
12730 .media_type = ELINK_ETH_PHY_XFP_FIBER,
12731 .ver_addr = 0,
12732 .req_flow_ctrl = 0,
12733 .req_line_speed = 0,
12734 .speed_cap_mask = 0,
12735 .req_duplex = 0,
12736 .rsrv = 0,
12737 .config_init = (config_init_t)elink_8705_config_init,
12738 .read_status = (read_status_t)elink_8705_read_status,
12739 .link_reset = (link_reset_t)elink_common_ext_link_reset,
12740 .config_loopback = (config_loopback_t)NULL,
12741 .format_fw_ver = (format_fw_ver_t)elink_null_format_ver,
12742 .hw_reset = (hw_reset_t)NULL,
12743 .set_link_led = (set_link_led_t)NULL,
12744 .phy_specific_func = (phy_specific_func_t)NULL
12745 };
12746 static const struct elink_phy phy_8706 = {
12747 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8706,
12748 .addr = 0xff,
12749 .def_md_devad = 0,
12750 .flags = ELINK_FLAGS_INIT_XGXS_FIRST,
12751 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12752 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12753 .mdio_ctrl = 0,
12754 .supported = (ELINK_SUPPORTED_10000baseT_Full |
12755 ELINK_SUPPORTED_1000baseT_Full |
12756 ELINK_SUPPORTED_FIBRE |
12757 ELINK_SUPPORTED_Pause |
12758 ELINK_SUPPORTED_Asym_Pause),
12759 .media_type = ELINK_ETH_PHY_SFPP_10G_FIBER,
12760 .ver_addr = 0,
12761 .req_flow_ctrl = 0,
12762 .req_line_speed = 0,
12763 .speed_cap_mask = 0,
12764 .req_duplex = 0,
12765 .rsrv = 0,
12766 .config_init = (config_init_t)elink_8706_config_init,
12767 .read_status = (read_status_t)elink_8706_read_status,
12768 .link_reset = (link_reset_t)elink_common_ext_link_reset,
12769 .config_loopback = (config_loopback_t)NULL,
12770 .format_fw_ver = (format_fw_ver_t)elink_format_ver,
12771 .hw_reset = (hw_reset_t)NULL,
12772 .set_link_led = (set_link_led_t)NULL,
12773 .phy_specific_func = (phy_specific_func_t)NULL
12774 };
12775
12776 static const struct elink_phy phy_8726 = {
12777 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8726,
12778 .addr = 0xff,
12779 .def_md_devad = 0,
12780 .flags = (ELINK_FLAGS_INIT_XGXS_FIRST |
12781 ELINK_FLAGS_TX_ERROR_CHECK),
12782 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12783 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12784 .mdio_ctrl = 0,
12785 .supported = (ELINK_SUPPORTED_10000baseT_Full |
12786 ELINK_SUPPORTED_1000baseT_Full |
12787 ELINK_SUPPORTED_Autoneg |
12788 ELINK_SUPPORTED_FIBRE |
12789 ELINK_SUPPORTED_Pause |
12790 ELINK_SUPPORTED_Asym_Pause),
12791 .media_type = ELINK_ETH_PHY_NOT_PRESENT,
12792 .ver_addr = 0,
12793 .req_flow_ctrl = 0,
12794 .req_line_speed = 0,
12795 .speed_cap_mask = 0,
12796 .req_duplex = 0,
12797 .rsrv = 0,
12798 .config_init = (config_init_t)elink_8726_config_init,
12799 .read_status = (read_status_t)elink_8726_read_status,
12800 .link_reset = (link_reset_t)elink_8726_link_reset,
12801 .config_loopback = (config_loopback_t)elink_8726_config_loopback,
12802 .format_fw_ver = (format_fw_ver_t)elink_format_ver,
12803 .hw_reset = (hw_reset_t)NULL,
12804 .set_link_led = (set_link_led_t)NULL,
12805 .phy_specific_func = (phy_specific_func_t)NULL
12806 };
12807
12808 static const struct elink_phy phy_8727 = {
12809 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8727,
12810 .addr = 0xff,
12811 .def_md_devad = 0,
12812 .flags = (ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12813 ELINK_FLAGS_TX_ERROR_CHECK),
12814 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12815 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12816 .mdio_ctrl = 0,
12817 .supported = (ELINK_SUPPORTED_10000baseT_Full |
12818 ELINK_SUPPORTED_1000baseT_Full |
12819 ELINK_SUPPORTED_FIBRE |
12820 ELINK_SUPPORTED_Pause |
12821 ELINK_SUPPORTED_Asym_Pause),
12822 .media_type = ELINK_ETH_PHY_NOT_PRESENT,
12823 .ver_addr = 0,
12824 .req_flow_ctrl = 0,
12825 .req_line_speed = 0,
12826 .speed_cap_mask = 0,
12827 .req_duplex = 0,
12828 .rsrv = 0,
12829 .config_init = (config_init_t)elink_8727_config_init,
12830 .read_status = (read_status_t)elink_8727_read_status,
12831 .link_reset = (link_reset_t)elink_8727_link_reset,
12832 .config_loopback = (config_loopback_t)NULL,
12833 .format_fw_ver = (format_fw_ver_t)elink_format_ver,
12834 .hw_reset = (hw_reset_t)elink_8727_hw_reset,
12835 .set_link_led = (set_link_led_t)elink_8727_set_link_led,
12836 .phy_specific_func = (phy_specific_func_t)elink_8727_specific_func
12837 };
12838 static const struct elink_phy phy_8481 = {
12839 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8481,
12840 .addr = 0xff,
12841 .def_md_devad = 0,
12842 .flags = ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12843 ELINK_FLAGS_REARM_LATCH_SIGNAL,
12844 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12845 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12846 .mdio_ctrl = 0,
12847 .supported = (ELINK_SUPPORTED_10baseT_Half |
12848 ELINK_SUPPORTED_10baseT_Full |
12849 ELINK_SUPPORTED_100baseT_Half |
12850 ELINK_SUPPORTED_100baseT_Full |
12851 ELINK_SUPPORTED_1000baseT_Full |
12852 ELINK_SUPPORTED_10000baseT_Full |
12853 ELINK_SUPPORTED_TP |
12854 ELINK_SUPPORTED_Autoneg |
12855 ELINK_SUPPORTED_Pause |
12856 ELINK_SUPPORTED_Asym_Pause),
12857 .media_type = ELINK_ETH_PHY_BASE_T,
12858 .ver_addr = 0,
12859 .req_flow_ctrl = 0,
12860 .req_line_speed = 0,
12861 .speed_cap_mask = 0,
12862 .req_duplex = 0,
12863 .rsrv = 0,
12864 .config_init = (config_init_t)elink_8481_config_init,
12865 .read_status = (read_status_t)elink_848xx_read_status,
12866 .link_reset = (link_reset_t)elink_8481_link_reset,
12867 .config_loopback = (config_loopback_t)NULL,
12868 .format_fw_ver = (format_fw_ver_t)elink_848xx_format_ver,
12869 .hw_reset = (hw_reset_t)elink_8481_hw_reset,
12870 .set_link_led = (set_link_led_t)elink_848xx_set_link_led,
12871 .phy_specific_func = (phy_specific_func_t)NULL
12872 };
12873
12874 static const struct elink_phy phy_84823 = {
12875 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84823,
12876 .addr = 0xff,
12877 .def_md_devad = 0,
12878 .flags = (ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12879 ELINK_FLAGS_REARM_LATCH_SIGNAL |
12880 ELINK_FLAGS_TX_ERROR_CHECK),
12881 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12882 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12883 .mdio_ctrl = 0,
12884 .supported = (ELINK_SUPPORTED_10baseT_Half |
12885 ELINK_SUPPORTED_10baseT_Full |
12886 ELINK_SUPPORTED_100baseT_Half |
12887 ELINK_SUPPORTED_100baseT_Full |
12888 ELINK_SUPPORTED_1000baseT_Full |
12889 ELINK_SUPPORTED_10000baseT_Full |
12890 ELINK_SUPPORTED_TP |
12891 ELINK_SUPPORTED_Autoneg |
12892 ELINK_SUPPORTED_Pause |
12893 ELINK_SUPPORTED_Asym_Pause),
12894 .media_type = ELINK_ETH_PHY_BASE_T,
12895 .ver_addr = 0,
12896 .req_flow_ctrl = 0,
12897 .req_line_speed = 0,
12898 .speed_cap_mask = 0,
12899 .req_duplex = 0,
12900 .rsrv = 0,
12901 .config_init = (config_init_t)elink_848x3_config_init,
12902 .read_status = (read_status_t)elink_848xx_read_status,
12903 .link_reset = (link_reset_t)elink_848x3_link_reset,
12904 .config_loopback = (config_loopback_t)NULL,
12905 .format_fw_ver = (format_fw_ver_t)elink_848xx_format_ver,
12906 .hw_reset = (hw_reset_t)NULL,
12907 .set_link_led = (set_link_led_t)elink_848xx_set_link_led,
12908 .phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func
12909 };
12910
12911 static const struct elink_phy phy_84833 = {
12912 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84833,
12913 .addr = 0xff,
12914 .def_md_devad = 0,
12915 .flags = (ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12916 ELINK_FLAGS_REARM_LATCH_SIGNAL |
12917 ELINK_FLAGS_TX_ERROR_CHECK |
12918 ELINK_FLAGS_TEMPERATURE),
12919 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12920 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12921 .mdio_ctrl = 0,
12922 .supported = (ELINK_SUPPORTED_100baseT_Half |
12923 ELINK_SUPPORTED_100baseT_Full |
12924 ELINK_SUPPORTED_1000baseT_Full |
12925 ELINK_SUPPORTED_10000baseT_Full |
12926 ELINK_SUPPORTED_TP |
12927 ELINK_SUPPORTED_Autoneg |
12928 ELINK_SUPPORTED_Pause |
12929 ELINK_SUPPORTED_Asym_Pause),
12930 .media_type = ELINK_ETH_PHY_BASE_T,
12931 .ver_addr = 0,
12932 .req_flow_ctrl = 0,
12933 .req_line_speed = 0,
12934 .speed_cap_mask = 0,
12935 .req_duplex = 0,
12936 .rsrv = 0,
12937 .config_init = (config_init_t)elink_848x3_config_init,
12938 .read_status = (read_status_t)elink_848xx_read_status,
12939 .link_reset = (link_reset_t)elink_848x3_link_reset,
12940 .config_loopback = (config_loopback_t)NULL,
12941 .format_fw_ver = (format_fw_ver_t)elink_848xx_format_ver,
12942 .hw_reset = (hw_reset_t)elink_84833_hw_reset_phy,
12943 .set_link_led = (set_link_led_t)elink_848xx_set_link_led,
12944 .phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func
12945 };
12946
12947 static const struct elink_phy phy_84834 = {
12948 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84834,
12949 .addr = 0xff,
12950 .def_md_devad = 0,
12951 .flags = ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12952 ELINK_FLAGS_REARM_LATCH_SIGNAL,
12953 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12954 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12955 .mdio_ctrl = 0,
12956 .supported = (ELINK_SUPPORTED_100baseT_Half |
12957 ELINK_SUPPORTED_100baseT_Full |
12958 ELINK_SUPPORTED_1000baseT_Full |
12959 ELINK_SUPPORTED_10000baseT_Full |
12960 ELINK_SUPPORTED_TP |
12961 ELINK_SUPPORTED_Autoneg |
12962 ELINK_SUPPORTED_Pause |
12963 ELINK_SUPPORTED_Asym_Pause),
12964 .media_type = ELINK_ETH_PHY_BASE_T,
12965 .ver_addr = 0,
12966 .req_flow_ctrl = 0,
12967 .req_line_speed = 0,
12968 .speed_cap_mask = 0,
12969 .req_duplex = 0,
12970 .rsrv = 0,
12971 .config_init = (config_init_t)elink_848x3_config_init,
12972 .read_status = (read_status_t)elink_848xx_read_status,
12973 .link_reset = (link_reset_t)elink_848x3_link_reset,
12974 .config_loopback = (config_loopback_t)NULL,
12975 .format_fw_ver = (format_fw_ver_t)elink_848xx_format_ver,
12976 .hw_reset = (hw_reset_t)elink_84833_hw_reset_phy,
12977 .set_link_led = (set_link_led_t)elink_848xx_set_link_led,
12978 .phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func
12979 };
12980
12981 static const struct elink_phy phy_84858 = {
12982 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84858,
12983 .addr = 0xff,
12984 .def_md_devad = 0,
12985 .flags = ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12986 ELINK_FLAGS_REARM_LATCH_SIGNAL,
12987 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12988 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12989 .mdio_ctrl = 0,
12990 .supported = (ELINK_SUPPORTED_100baseT_Half |
12991 ELINK_SUPPORTED_100baseT_Full |
12992 ELINK_SUPPORTED_1000baseT_Full |
12993 ELINK_SUPPORTED_10000baseT_Full |
12994 ELINK_SUPPORTED_TP |
12995 ELINK_SUPPORTED_Autoneg |
12996 ELINK_SUPPORTED_Pause |
12997 ELINK_SUPPORTED_Asym_Pause),
12998 .media_type = ELINK_ETH_PHY_BASE_T,
12999 .ver_addr = 0,
13000 .req_flow_ctrl = 0,
13001 .req_line_speed = 0,
13002 .speed_cap_mask = 0,
13003 .req_duplex = 0,
13004 .rsrv = 0,
13005 .config_init = (config_init_t)elink_848x3_config_init,
13006 .read_status = (read_status_t)elink_848xx_read_status,
13007 .link_reset = (link_reset_t)elink_848x3_link_reset,
13008 .config_loopback = (config_loopback_t)NULL,
13009 .format_fw_ver = (format_fw_ver_t)elink_848xx_format_ver,
13010 .hw_reset = (hw_reset_t)elink_84833_hw_reset_phy,
13011 .set_link_led = (set_link_led_t)elink_848xx_set_link_led,
13012 .phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func
13013 };
13014
13015
13016 static const struct elink_phy phy_54618se = {
13017 .type = PORT_HW_CFG_XGXS_EXT_PHY2_TYPE_BNX2X54618SE,
13018 .addr = 0xff,
13019 .def_md_devad = 0,
13020 .flags = ELINK_FLAGS_INIT_XGXS_FIRST,
13021 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
13022 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
13023 .mdio_ctrl = 0,
13024 .supported = (ELINK_SUPPORTED_10baseT_Half |
13025 ELINK_SUPPORTED_10baseT_Full |
13026 ELINK_SUPPORTED_100baseT_Half |
13027 ELINK_SUPPORTED_100baseT_Full |
13028 ELINK_SUPPORTED_1000baseT_Full |
13029 ELINK_SUPPORTED_TP |
13030 ELINK_SUPPORTED_Autoneg |
13031 ELINK_SUPPORTED_Pause |
13032 ELINK_SUPPORTED_Asym_Pause),
13033 .media_type = ELINK_ETH_PHY_BASE_T,
13034 .ver_addr = 0,
13035 .req_flow_ctrl = 0,
13036 .req_line_speed = 0,
13037 .speed_cap_mask = 0,
13038 /* req_duplex = */0,
13039 /* rsrv = */0,
13040 .config_init = (config_init_t)elink_54618se_config_init,
13041 .read_status = (read_status_t)elink_54618se_read_status,
13042 .link_reset = (link_reset_t)elink_54618se_link_reset,
13043 .config_loopback = (config_loopback_t)elink_54618se_config_loopback,
13044 .format_fw_ver = (format_fw_ver_t)NULL,
13045 .hw_reset = (hw_reset_t)NULL,
13046 .set_link_led = (set_link_led_t)elink_5461x_set_link_led,
13047 .phy_specific_func = (phy_specific_func_t)elink_54618se_specific_func
13048 };
13049 /*****************************************************************/
13050 /* */
13051 /* Populate the phy according. Main function: elink_populate_phy */
13052 /* */
13053 /*****************************************************************/
13054
elink_populate_preemphasis(struct bnx2x_softc * sc,uint32_t shmem_base,struct elink_phy * phy,uint8_t port,uint8_t phy_index)13055 static void elink_populate_preemphasis(struct bnx2x_softc *sc,
13056 uint32_t shmem_base,
13057 struct elink_phy *phy, uint8_t port,
13058 uint8_t phy_index)
13059 {
13060 /* Get the 4 lanes xgxs config rx and tx */
13061 uint32_t rx = 0, tx = 0, i;
13062 for (i = 0; i < 2; i++) {
13063 /* INT_PHY and ELINK_EXT_PHY1 share the same value location in
13064 * the shmem. When num_phys is greater than 1, than this value
13065 * applies only to ELINK_EXT_PHY1
13066 */
13067 if (phy_index == ELINK_INT_PHY || phy_index == ELINK_EXT_PHY1) {
13068 rx = REG_RD(sc, shmem_base +
13069 offsetof(struct shmem_region,
13070 dev_info.port_hw_config[port].xgxs_config_rx[i << 1]));
13071
13072 tx = REG_RD(sc, shmem_base +
13073 offsetof(struct shmem_region,
13074 dev_info.port_hw_config[port].xgxs_config_tx[i << 1]));
13075 } else {
13076 rx = REG_RD(sc, shmem_base +
13077 offsetof(struct shmem_region,
13078 dev_info.port_hw_config[port].xgxs_config2_rx[i << 1]));
13079
13080 tx = REG_RD(sc, shmem_base +
13081 offsetof(struct shmem_region,
13082 dev_info.port_hw_config[port].xgxs_config2_rx[i << 1]));
13083 }
13084
13085 phy->rx_preemphasis[i << 1] = ((rx >> 16) & 0xffff);
13086 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
13087
13088 phy->tx_preemphasis[i << 1] = ((tx >> 16) & 0xffff);
13089 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
13090 ELINK_DEBUG_P2(sc, "phy->rx_preemphasis = %x, phy->tx_preemphasis = %x",
13091 phy->rx_preemphasis[i << 1],
13092 phy->tx_preemphasis[i << 1]);
13093 }
13094 }
13095
elink_get_ext_phy_config(struct bnx2x_softc * sc,uint32_t shmem_base,uint8_t phy_index,uint8_t port)13096 static uint32_t elink_get_ext_phy_config(struct bnx2x_softc *sc,
13097 uint32_t shmem_base,
13098 uint8_t phy_index, uint8_t port)
13099 {
13100 uint32_t ext_phy_config = 0;
13101 switch (phy_index) {
13102 case ELINK_EXT_PHY1:
13103 ext_phy_config = REG_RD(sc, shmem_base +
13104 offsetof(struct shmem_region,
13105 dev_info.port_hw_config[port].external_phy_config));
13106 break;
13107 case ELINK_EXT_PHY2:
13108 ext_phy_config = REG_RD(sc, shmem_base +
13109 offsetof(struct shmem_region,
13110 dev_info.port_hw_config[port].external_phy_config2));
13111 break;
13112 default:
13113 ELINK_DEBUG_P1(sc, "Invalid phy_index %d", phy_index);
13114 return ELINK_STATUS_ERROR;
13115 }
13116
13117 return ext_phy_config;
13118 }
elink_populate_int_phy(struct bnx2x_softc * sc,uint32_t shmem_base,uint8_t port,struct elink_phy * phy)13119 static elink_status_t elink_populate_int_phy(struct bnx2x_softc *sc,
13120 uint32_t shmem_base, uint8_t port,
13121 struct elink_phy *phy)
13122 {
13123 uint32_t phy_addr;
13124 uint32_t chip_id;
13125 uint32_t switch_cfg = (REG_RD(sc, shmem_base +
13126 offsetof(struct shmem_region,
13127 dev_info.port_feature_config[port].link_config)) &
13128 PORT_FEATURE_CONNECTED_SWITCH_MASK);
13129 chip_id = (REG_RD(sc, MISC_REG_CHIP_NUM) << 16) |
13130 ((REG_RD(sc, MISC_REG_CHIP_REV) & 0xf) << 12);
13131
13132 ELINK_DEBUG_P1(sc, ":chip_id = 0x%x", chip_id);
13133 if (USES_WARPCORE(sc)) {
13134 uint32_t serdes_net_if;
13135 phy_addr = REG_RD(sc,
13136 MISC_REG_WC0_CTRL_PHY_ADDR);
13137 *phy = phy_warpcore;
13138 if (REG_RD(sc, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
13139 phy->flags |= ELINK_FLAGS_4_PORT_MODE;
13140 else
13141 phy->flags &= ~ELINK_FLAGS_4_PORT_MODE;
13142 /* Check Dual mode */
13143 serdes_net_if = (REG_RD(sc, shmem_base +
13144 offsetof(struct shmem_region, dev_info.
13145 port_hw_config[port].default_cfg)) &
13146 PORT_HW_CFG_NET_SERDES_IF_MASK);
13147 /* Set the appropriate supported and flags indications per
13148 * interface type of the chip
13149 */
13150 switch (serdes_net_if) {
13151 case PORT_HW_CFG_NET_SERDES_IF_SGMII:
13152 phy->supported &= (ELINK_SUPPORTED_10baseT_Half |
13153 ELINK_SUPPORTED_10baseT_Full |
13154 ELINK_SUPPORTED_100baseT_Half |
13155 ELINK_SUPPORTED_100baseT_Full |
13156 ELINK_SUPPORTED_1000baseT_Full |
13157 ELINK_SUPPORTED_FIBRE |
13158 ELINK_SUPPORTED_Autoneg |
13159 ELINK_SUPPORTED_Pause |
13160 ELINK_SUPPORTED_Asym_Pause);
13161 phy->media_type = ELINK_ETH_PHY_BASE_T;
13162 break;
13163 case PORT_HW_CFG_NET_SERDES_IF_XFI:
13164 phy->supported &= (ELINK_SUPPORTED_1000baseT_Full |
13165 ELINK_SUPPORTED_10000baseT_Full |
13166 ELINK_SUPPORTED_FIBRE |
13167 ELINK_SUPPORTED_Pause |
13168 ELINK_SUPPORTED_Asym_Pause);
13169 phy->media_type = ELINK_ETH_PHY_XFP_FIBER;
13170 break;
13171 case PORT_HW_CFG_NET_SERDES_IF_SFI:
13172 phy->supported &= (ELINK_SUPPORTED_1000baseT_Full |
13173 ELINK_SUPPORTED_2500baseX_Full |
13174 ELINK_SUPPORTED_10000baseT_Full |
13175 ELINK_SUPPORTED_FIBRE |
13176 ELINK_SUPPORTED_Pause |
13177 ELINK_SUPPORTED_Asym_Pause);
13178 phy->media_type = ELINK_ETH_PHY_SFPP_10G_FIBER;
13179 break;
13180 case PORT_HW_CFG_NET_SERDES_IF_KR:
13181 phy->media_type = ELINK_ETH_PHY_KR;
13182 phy->supported &= (ELINK_SUPPORTED_1000baseKX_Full |
13183 ELINK_SUPPORTED_10000baseKR_Full |
13184 ELINK_SUPPORTED_FIBRE |
13185 ELINK_SUPPORTED_Autoneg |
13186 ELINK_SUPPORTED_Pause |
13187 ELINK_SUPPORTED_Asym_Pause);
13188 break;
13189 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
13190 phy->media_type = ELINK_ETH_PHY_KR;
13191 phy->flags |= ELINK_FLAGS_WC_DUAL_MODE;
13192 phy->supported &= (ELINK_SUPPORTED_20000baseMLD2_Full |
13193 ELINK_SUPPORTED_FIBRE |
13194 ELINK_SUPPORTED_Pause |
13195 ELINK_SUPPORTED_Asym_Pause);
13196 break;
13197 case PORT_HW_CFG_NET_SERDES_IF_KR2:
13198 phy->media_type = ELINK_ETH_PHY_KR;
13199 phy->flags |= ELINK_FLAGS_WC_DUAL_MODE;
13200 phy->supported &= (ELINK_SUPPORTED_20000baseKR2_Full |
13201 ELINK_SUPPORTED_10000baseKR_Full |
13202 ELINK_SUPPORTED_1000baseKX_Full |
13203 ELINK_SUPPORTED_Autoneg |
13204 ELINK_SUPPORTED_FIBRE |
13205 ELINK_SUPPORTED_Pause |
13206 ELINK_SUPPORTED_Asym_Pause);
13207 phy->flags &= ~ELINK_FLAGS_TX_ERROR_CHECK;
13208 break;
13209 default:
13210 ELINK_DEBUG_P1(sc, "Unknown WC interface type 0x%x",
13211 serdes_net_if);
13212 break;
13213 }
13214
13215 /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
13216 * was not set as expected. For B0, ECO will be enabled so there
13217 * won't be an issue there
13218 */
13219 if (CHIP_REV(sc) == CHIP_REV_Ax)
13220 phy->flags |= ELINK_FLAGS_MDC_MDIO_WA;
13221 else
13222 phy->flags |= ELINK_FLAGS_MDC_MDIO_WA_B0;
13223 ELINK_DEBUG_P3(sc, "media_type = %x, flags = %x, supported = %x",
13224 phy->media_type, phy->flags, phy->supported);
13225 } else {
13226 switch (switch_cfg) {
13227 case ELINK_SWITCH_CFG_1G:
13228 phy_addr = REG_RD(sc,
13229 NIG_REG_SERDES0_CTRL_PHY_ADDR +
13230 port * 0x10);
13231 *phy = phy_serdes;
13232 break;
13233 case ELINK_SWITCH_CFG_10G:
13234 phy_addr = REG_RD(sc,
13235 NIG_REG_XGXS0_CTRL_PHY_ADDR +
13236 port * 0x18);
13237 *phy = phy_xgxs;
13238 break;
13239 default:
13240 ELINK_DEBUG_P0(sc, "Invalid switch_cfg");
13241 return ELINK_STATUS_ERROR;
13242 }
13243 }
13244 phy->addr = (uint8_t)phy_addr;
13245 phy->mdio_ctrl = elink_get_emac_base(sc,
13246 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
13247 port);
13248 if (CHIP_IS_E2(sc))
13249 phy->def_md_devad = ELINK_E2_DEFAULT_PHY_DEV_ADDR;
13250 else
13251 phy->def_md_devad = ELINK_DEFAULT_PHY_DEV_ADDR;
13252
13253 ELINK_DEBUG_P3(sc, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x",
13254 port, phy->addr, phy->mdio_ctrl);
13255
13256 elink_populate_preemphasis(sc, shmem_base, phy, port, ELINK_INT_PHY);
13257 return ELINK_STATUS_OK;
13258 }
13259
elink_populate_ext_phy(struct bnx2x_softc * sc,uint8_t phy_index,uint32_t shmem_base,uint32_t shmem2_base,uint8_t port,struct elink_phy * phy)13260 static elink_status_t elink_populate_ext_phy(struct bnx2x_softc *sc,
13261 uint8_t phy_index,
13262 uint32_t shmem_base,
13263 uint32_t shmem2_base,
13264 uint8_t port,
13265 struct elink_phy *phy)
13266 {
13267 uint32_t ext_phy_config, phy_type, config2;
13268 uint32_t mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
13269 ext_phy_config = elink_get_ext_phy_config(sc, shmem_base,
13270 phy_index, port);
13271 phy_type = ELINK_XGXS_EXT_PHY_TYPE(ext_phy_config);
13272 /* Select the phy type */
13273 switch (phy_type) {
13274 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8073:
13275 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
13276 *phy = phy_8073;
13277 break;
13278 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8705:
13279 *phy = phy_8705;
13280 break;
13281 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8706:
13282 *phy = phy_8706;
13283 break;
13284 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8726:
13285 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
13286 *phy = phy_8726;
13287 break;
13288 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8727_NOC:
13289 /* BNX2X8727_NOC => BNX2X8727 no over current */
13290 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
13291 *phy = phy_8727;
13292 phy->flags |= ELINK_FLAGS_NOC;
13293 break;
13294 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8722:
13295 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8727:
13296 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
13297 *phy = phy_8727;
13298 break;
13299 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8481:
13300 *phy = phy_8481;
13301 break;
13302 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84823:
13303 *phy = phy_84823;
13304 break;
13305 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84833:
13306 *phy = phy_84833;
13307 break;
13308 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84834:
13309 *phy = phy_84834;
13310 break;
13311 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84858:
13312 *phy = phy_84858;
13313 break;
13314 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X54616:
13315 case PORT_HW_CFG_XGXS_EXT_PHY2_TYPE_BNX2X54618SE:
13316 *phy = phy_54618se;
13317 if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY2_TYPE_BNX2X54618SE)
13318 phy->flags |= ELINK_FLAGS_EEE;
13319 break;
13320 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
13321 *phy = phy_7101;
13322 break;
13323 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
13324 *phy = phy_null;
13325 return ELINK_STATUS_ERROR;
13326 default:
13327 *phy = phy_null;
13328 /* In case external PHY wasn't found */
13329 if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
13330 (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
13331 return ELINK_STATUS_ERROR;
13332 return ELINK_STATUS_OK;
13333 }
13334
13335 phy->addr = ELINK_XGXS_EXT_PHY_ADDR(ext_phy_config);
13336 elink_populate_preemphasis(sc, shmem_base, phy, port, phy_index);
13337
13338 /* The shmem address of the phy version is located on different
13339 * structures. In case this structure is too old, do not set
13340 * the address
13341 */
13342 config2 = REG_RD(sc, shmem_base + offsetof(struct shmem_region,
13343 dev_info.shared_hw_config.config2));
13344 if (phy_index == ELINK_EXT_PHY1) {
13345 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
13346 port_mb[port].ext_phy_fw_version);
13347
13348 /* Check specific mdc mdio settings */
13349 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
13350 mdc_mdio_access = config2 &
13351 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
13352 } else {
13353 uint32_t size = REG_RD(sc, shmem2_base);
13354
13355 if (size >
13356 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
13357 phy->ver_addr = shmem2_base +
13358 offsetof(struct shmem2_region,
13359 ext_phy_fw_version2[port]);
13360 }
13361 /* Check specific mdc mdio settings */
13362 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
13363 mdc_mdio_access = (config2 &
13364 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
13365 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
13366 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
13367 }
13368 phy->mdio_ctrl = elink_get_emac_base(sc, mdc_mdio_access, port);
13369
13370 if (elink_is_8483x_8485x(phy) && (phy->ver_addr)) {
13371 /* Remove 100Mb link supported for BNX2X84833/4 when phy fw
13372 * version lower than or equal to 1.39
13373 */
13374 uint32_t raw_ver = REG_RD(sc, phy->ver_addr);
13375 if (((raw_ver & 0x7F) <= 39) &&
13376 (((raw_ver & 0xF80) >> 7) <= 1))
13377 phy->supported &= ~(ELINK_SUPPORTED_100baseT_Half |
13378 ELINK_SUPPORTED_100baseT_Full);
13379 }
13380
13381 ELINK_DEBUG_P3(sc, "phy_type 0x%x port %d found in index %d",
13382 phy_type, port, phy_index);
13383 ELINK_DEBUG_P2(sc, " addr=0x%x, mdio_ctl=0x%x",
13384 phy->addr, phy->mdio_ctrl);
13385 return ELINK_STATUS_OK;
13386 }
13387
elink_populate_phy(struct bnx2x_softc * sc,uint8_t phy_index,uint32_t shmem_base,uint32_t shmem2_base,uint8_t port,struct elink_phy * phy)13388 static elink_status_t elink_populate_phy(struct bnx2x_softc *sc,
13389 uint8_t phy_index, uint32_t shmem_base,
13390 uint32_t shmem2_base, uint8_t port,
13391 struct elink_phy *phy)
13392 {
13393 elink_status_t status = ELINK_STATUS_OK;
13394 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
13395 if (phy_index == ELINK_INT_PHY)
13396 return elink_populate_int_phy(sc, shmem_base, port, phy);
13397 status = elink_populate_ext_phy(sc, phy_index, shmem_base, shmem2_base,
13398 port, phy);
13399 return status;
13400 }
13401
elink_phy_def_cfg(struct elink_params * params,struct elink_phy * phy,uint8_t phy_index)13402 static void elink_phy_def_cfg(struct elink_params *params,
13403 struct elink_phy *phy,
13404 uint8_t phy_index)
13405 {
13406 struct bnx2x_softc *sc = params->sc;
13407 uint32_t link_config;
13408 /* Populate the default phy configuration for MF mode */
13409 if (phy_index == ELINK_EXT_PHY2) {
13410 link_config = REG_RD(sc, params->shmem_base +
13411 offsetof(struct shmem_region, dev_info.
13412 port_feature_config[params->port].link_config2));
13413 phy->speed_cap_mask = REG_RD(sc, params->shmem_base +
13414 offsetof(struct shmem_region,
13415 dev_info.
13416 port_hw_config[params->port].speed_capability_mask2));
13417 } else {
13418 link_config = REG_RD(sc, params->shmem_base +
13419 offsetof(struct shmem_region, dev_info.
13420 port_feature_config[params->port].link_config));
13421 phy->speed_cap_mask = REG_RD(sc, params->shmem_base +
13422 offsetof(struct shmem_region,
13423 dev_info.
13424 port_hw_config[params->port].speed_capability_mask));
13425 }
13426 ELINK_DEBUG_P3(sc,
13427 "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x",
13428 phy_index, link_config, phy->speed_cap_mask);
13429
13430 phy->req_duplex = DUPLEX_FULL;
13431 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
13432 case PORT_FEATURE_LINK_SPEED_10M_HALF:
13433 phy->req_duplex = DUPLEX_HALF;
13434 /* fallthrough */
13435 case PORT_FEATURE_LINK_SPEED_10M_FULL:
13436 phy->req_line_speed = ELINK_SPEED_10;
13437 break;
13438 case PORT_FEATURE_LINK_SPEED_100M_HALF:
13439 phy->req_duplex = DUPLEX_HALF;
13440 /* fallthrough */
13441 case PORT_FEATURE_LINK_SPEED_100M_FULL:
13442 phy->req_line_speed = ELINK_SPEED_100;
13443 break;
13444 case PORT_FEATURE_LINK_SPEED_1G:
13445 phy->req_line_speed = ELINK_SPEED_1000;
13446 break;
13447 case PORT_FEATURE_LINK_SPEED_2_5G:
13448 phy->req_line_speed = ELINK_SPEED_2500;
13449 break;
13450 case PORT_FEATURE_LINK_SPEED_10G_CX4:
13451 phy->req_line_speed = ELINK_SPEED_10000;
13452 break;
13453 default:
13454 phy->req_line_speed = ELINK_SPEED_AUTO_NEG;
13455 break;
13456 }
13457
13458 ELINK_DEBUG_P2(sc, "Default config phy idx %x, req_duplex config %x",
13459 phy_index, phy->req_duplex);
13460
13461 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
13462 case PORT_FEATURE_FLOW_CONTROL_AUTO:
13463 phy->req_flow_ctrl = ELINK_FLOW_CTRL_AUTO;
13464 break;
13465 case PORT_FEATURE_FLOW_CONTROL_TX:
13466 phy->req_flow_ctrl = ELINK_FLOW_CTRL_TX;
13467 break;
13468 case PORT_FEATURE_FLOW_CONTROL_RX:
13469 phy->req_flow_ctrl = ELINK_FLOW_CTRL_RX;
13470 break;
13471 case PORT_FEATURE_FLOW_CONTROL_BOTH:
13472 phy->req_flow_ctrl = ELINK_FLOW_CTRL_BOTH;
13473 break;
13474 default:
13475 phy->req_flow_ctrl = ELINK_FLOW_CTRL_NONE;
13476 break;
13477 }
13478 ELINK_DEBUG_P3(sc, "Requested Duplex = %x, line_speed = %x, flow_ctrl = %x",
13479 phy->req_duplex, phy->req_line_speed,
13480 phy->req_flow_ctrl);
13481 }
13482
elink_phy_selection(struct elink_params * params)13483 uint32_t elink_phy_selection(struct elink_params *params)
13484 {
13485 uint32_t phy_config_swapped, prio_cfg;
13486 uint32_t return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
13487
13488 phy_config_swapped = params->multi_phy_config &
13489 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
13490
13491 prio_cfg = params->multi_phy_config &
13492 PORT_HW_CFG_PHY_SELECTION_MASK;
13493
13494 if (phy_config_swapped) {
13495 switch (prio_cfg) {
13496 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
13497 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
13498 break;
13499 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
13500 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
13501 break;
13502 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
13503 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
13504 break;
13505 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
13506 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
13507 break;
13508 }
13509 } else
13510 return_cfg = prio_cfg;
13511
13512 return return_cfg;
13513 }
13514
elink_phy_probe(struct elink_params * params)13515 elink_status_t elink_phy_probe(struct elink_params *params)
13516 {
13517 uint8_t phy_index, actual_phy_idx;
13518 uint32_t phy_config_swapped, sync_offset, media_types;
13519 struct bnx2x_softc *sc = params->sc;
13520 struct elink_phy *phy;
13521 params->num_phys = 0;
13522 ELINK_DEBUG_P0(sc, "Begin phy probe");
13523 #ifdef ELINK_INCLUDE_EMUL
13524 if (CHIP_REV_IS_EMUL(sc))
13525 return ELINK_STATUS_OK;
13526 #endif
13527 phy_config_swapped = params->multi_phy_config &
13528 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
13529
13530 for (phy_index = ELINK_INT_PHY; phy_index < ELINK_MAX_PHYS;
13531 phy_index++) {
13532 actual_phy_idx = phy_index;
13533 if (phy_config_swapped) {
13534 if (phy_index == ELINK_EXT_PHY1)
13535 actual_phy_idx = ELINK_EXT_PHY2;
13536 else if (phy_index == ELINK_EXT_PHY2)
13537 actual_phy_idx = ELINK_EXT_PHY1;
13538 }
13539 ELINK_DEBUG_P3(sc, "phy_config_swapped %x, phy_index %x,"
13540 " actual_phy_idx %x", phy_config_swapped,
13541 phy_index, actual_phy_idx);
13542 phy = ¶ms->phy[actual_phy_idx];
13543 if (elink_populate_phy(sc, phy_index, params->shmem_base,
13544 params->shmem2_base, params->port,
13545 phy) != ELINK_STATUS_OK) {
13546 params->num_phys = 0;
13547 ELINK_DEBUG_P1(sc, "phy probe failed in phy index %d",
13548 phy_index);
13549 for (phy_index = ELINK_INT_PHY;
13550 phy_index < ELINK_MAX_PHYS;
13551 phy_index++)
13552 *phy = phy_null;
13553 return ELINK_STATUS_ERROR;
13554 }
13555 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
13556 break;
13557
13558 if (params->feature_config_flags &
13559 ELINK_FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
13560 phy->flags &= ~ELINK_FLAGS_TX_ERROR_CHECK;
13561
13562 if (!(params->feature_config_flags &
13563 ELINK_FEATURE_CONFIG_MT_SUPPORT))
13564 phy->flags |= ELINK_FLAGS_MDC_MDIO_WA_G;
13565
13566 sync_offset = params->shmem_base +
13567 offsetof(struct shmem_region,
13568 dev_info.port_hw_config[params->port].media_type);
13569 media_types = REG_RD(sc, sync_offset);
13570
13571 /* Update media type for non-PMF sync only for the first time
13572 * In case the media type changes afterwards, it will be updated
13573 * using the update_status function
13574 */
13575 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
13576 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
13577 actual_phy_idx))) == 0) {
13578 media_types |= ((phy->media_type &
13579 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
13580 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
13581 actual_phy_idx));
13582 }
13583 REG_WR(sc, sync_offset, media_types);
13584
13585 elink_phy_def_cfg(params, phy, phy_index);
13586 params->num_phys++;
13587 }
13588
13589 ELINK_DEBUG_P1(sc, "End phy probe. #phys found %x", params->num_phys);
13590 return ELINK_STATUS_OK;
13591 }
13592
13593 #ifdef ELINK_INCLUDE_EMUL
elink_init_e3_emul_mac(struct elink_params * params,struct elink_vars * vars)13594 static elink_status_t elink_init_e3_emul_mac(struct elink_params *params,
13595 struct elink_vars *vars)
13596 {
13597 struct bnx2x_softc *sc = params->sc;
13598 vars->line_speed = params->req_line_speed[0];
13599 /* In case link speed is auto, set speed the highest as possible */
13600 if (params->req_line_speed[0] == ELINK_SPEED_AUTO_NEG) {
13601 if (params->feature_config_flags &
13602 ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC)
13603 vars->line_speed = ELINK_SPEED_2500;
13604 else if (elink_is_4_port_mode(sc))
13605 vars->line_speed = ELINK_SPEED_10000;
13606 else
13607 vars->line_speed = ELINK_SPEED_20000;
13608 }
13609 if (vars->line_speed < ELINK_SPEED_10000) {
13610 if ((params->feature_config_flags &
13611 ELINK_FEATURE_CONFIG_EMUL_DISABLE_UMAC)) {
13612 ELINK_DEBUG_P1(sc, "Invalid line speed %d while UMAC is"
13613 " disabled!", params->req_line_speed[0]);
13614 return ELINK_STATUS_ERROR;
13615 }
13616 switch (vars->line_speed) {
13617 case ELINK_SPEED_10:
13618 vars->link_status = ELINK_LINK_10TFD;
13619 break;
13620 case ELINK_SPEED_100:
13621 vars->link_status = ELINK_LINK_100TXFD;
13622 break;
13623 case ELINK_SPEED_1000:
13624 vars->link_status = ELINK_LINK_1000TFD;
13625 break;
13626 case ELINK_SPEED_2500:
13627 vars->link_status = ELINK_LINK_2500TFD;
13628 break;
13629 default:
13630 ELINK_DEBUG_P1(sc, "Invalid line speed %d for UMAC",
13631 vars->line_speed);
13632 return ELINK_STATUS_ERROR;
13633 }
13634 vars->link_status |= LINK_STATUS_LINK_UP;
13635
13636 if (params->loopback_mode == ELINK_LOOPBACK_UMAC)
13637 elink_umac_enable(params, vars, 1);
13638 else
13639 elink_umac_enable(params, vars, 0);
13640 } else {
13641 /* Link speed >= 10000 requires XMAC enabled */
13642 if (params->feature_config_flags &
13643 ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC) {
13644 ELINK_DEBUG_P1(sc, "Invalid line speed %d while XMAC is"
13645 " disabled!", params->req_line_speed[0]);
13646 return ELINK_STATUS_ERROR;
13647 }
13648 /* Check link speed */
13649 switch (vars->line_speed) {
13650 case ELINK_SPEED_10000:
13651 vars->link_status = ELINK_LINK_10GTFD;
13652 break;
13653 case ELINK_SPEED_20000:
13654 vars->link_status = ELINK_LINK_20GTFD;
13655 break;
13656 default:
13657 ELINK_DEBUG_P1(sc, "Invalid line speed %d for XMAC",
13658 vars->line_speed);
13659 return ELINK_STATUS_ERROR;
13660 }
13661 vars->link_status |= LINK_STATUS_LINK_UP;
13662 if (params->loopback_mode == ELINK_LOOPBACK_XMAC)
13663 elink_xmac_enable(params, vars, 1);
13664 else
13665 elink_xmac_enable(params, vars, 0);
13666 }
13667 return ELINK_STATUS_OK;
13668 }
13669
elink_init_emul(struct elink_params * params,struct elink_vars * vars)13670 static elink_status_t elink_init_emul(struct elink_params *params,
13671 struct elink_vars *vars)
13672 {
13673 struct bnx2x_softc *sc = params->sc;
13674 if (CHIP_IS_E3(sc)) {
13675 if (elink_init_e3_emul_mac(params, vars) !=
13676 ELINK_STATUS_OK)
13677 return ELINK_STATUS_ERROR;
13678 } else {
13679 if (params->feature_config_flags &
13680 ELINK_FEATURE_CONFIG_EMUL_DISABLE_BMAC) {
13681 vars->line_speed = ELINK_SPEED_1000;
13682 vars->link_status = (LINK_STATUS_LINK_UP |
13683 ELINK_LINK_1000XFD);
13684 if (params->loopback_mode ==
13685 ELINK_LOOPBACK_EMAC)
13686 elink_emac_enable(params, vars, 1);
13687 else
13688 elink_emac_enable(params, vars, 0);
13689 } else {
13690 vars->line_speed = ELINK_SPEED_10000;
13691 vars->link_status = (LINK_STATUS_LINK_UP |
13692 ELINK_LINK_10GTFD);
13693 if (params->loopback_mode ==
13694 ELINK_LOOPBACK_BMAC)
13695 elink_bmac_enable(params, vars, 1, 1);
13696 else
13697 elink_bmac_enable(params, vars, 0, 1);
13698 }
13699 }
13700 vars->link_up = 1;
13701 vars->duplex = DUPLEX_FULL;
13702 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13703
13704 if (CHIP_IS_E1x(sc))
13705 elink_pbf_update(params, vars->flow_ctrl,
13706 vars->line_speed);
13707 /* Disable drain */
13708 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
13709
13710 /* update shared memory */
13711 elink_update_mng(params, vars->link_status);
13712 return ELINK_STATUS_OK;
13713 }
13714 #endif
13715 #ifdef ELINK_INCLUDE_FPGA
elink_init_fpga(struct elink_params * params,struct elink_vars * vars)13716 static elink_status_t elink_init_fpga(struct elink_params *params,
13717 struct elink_vars *vars)
13718 {
13719 /* Enable on E1.5 FPGA */
13720 struct bnx2x_softc *sc = params->sc;
13721 vars->duplex = DUPLEX_FULL;
13722 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13723 if (!(CHIP_IS_E1(sc))) {
13724 vars->flow_ctrl = (ELINK_FLOW_CTRL_TX |
13725 ELINK_FLOW_CTRL_RX);
13726 vars->link_status |= (LINK_STATUS_TX_FLOW_CONTROL_ENABLED |
13727 LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
13728 }
13729 if (CHIP_IS_E3(sc)) {
13730 vars->line_speed = params->req_line_speed[0];
13731 switch (vars->line_speed) {
13732 case ELINK_SPEED_AUTO_NEG:
13733 vars->line_speed = ELINK_SPEED_2500;
13734 case ELINK_SPEED_2500:
13735 vars->link_status = ELINK_LINK_2500TFD;
13736 break;
13737 case ELINK_SPEED_1000:
13738 vars->link_status = ELINK_LINK_1000XFD;
13739 break;
13740 case ELINK_SPEED_100:
13741 vars->link_status = ELINK_LINK_100TXFD;
13742 break;
13743 case ELINK_SPEED_10:
13744 vars->link_status = ELINK_LINK_10TFD;
13745 break;
13746 default:
13747 ELINK_DEBUG_P1(sc, "Invalid link speed %d",
13748 params->req_line_speed[0]);
13749 return ELINK_STATUS_ERROR;
13750 }
13751 vars->link_status |= LINK_STATUS_LINK_UP;
13752 if (params->loopback_mode == ELINK_LOOPBACK_UMAC)
13753 elink_umac_enable(params, vars, 1);
13754 else
13755 elink_umac_enable(params, vars, 0);
13756 } else {
13757 vars->line_speed = ELINK_SPEED_10000;
13758 vars->link_status = (LINK_STATUS_LINK_UP | ELINK_LINK_10GTFD);
13759 if (params->loopback_mode == ELINK_LOOPBACK_EMAC)
13760 elink_emac_enable(params, vars, 1);
13761 else
13762 elink_emac_enable(params, vars, 0);
13763 }
13764 vars->link_up = 1;
13765
13766 if (CHIP_IS_E1x(sc))
13767 elink_pbf_update(params, vars->flow_ctrl,
13768 vars->line_speed);
13769 /* Disable drain */
13770 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
13771
13772 /* Update shared memory */
13773 elink_update_mng(params, vars->link_status);
13774 return ELINK_STATUS_OK;
13775 }
13776 #endif
elink_init_bmac_loopback(struct elink_params * params,struct elink_vars * vars)13777 static void elink_init_bmac_loopback(struct elink_params *params,
13778 struct elink_vars *vars)
13779 {
13780 struct bnx2x_softc *sc = params->sc;
13781 vars->link_up = 1;
13782 vars->line_speed = ELINK_SPEED_10000;
13783 vars->duplex = DUPLEX_FULL;
13784 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13785 vars->mac_type = ELINK_MAC_TYPE_BMAC;
13786
13787 vars->phy_flags = PHY_XGXS_FLAG;
13788
13789 elink_xgxs_deassert(params);
13790
13791 /* Set bmac loopback */
13792 elink_bmac_enable(params, vars, 1, 1);
13793
13794 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
13795 }
13796
elink_init_emac_loopback(struct elink_params * params,struct elink_vars * vars)13797 static void elink_init_emac_loopback(struct elink_params *params,
13798 struct elink_vars *vars)
13799 {
13800 struct bnx2x_softc *sc = params->sc;
13801 vars->link_up = 1;
13802 vars->line_speed = ELINK_SPEED_1000;
13803 vars->duplex = DUPLEX_FULL;
13804 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13805 vars->mac_type = ELINK_MAC_TYPE_EMAC;
13806
13807 vars->phy_flags = PHY_XGXS_FLAG;
13808
13809 elink_xgxs_deassert(params);
13810 /* Set bmac loopback */
13811 elink_emac_enable(params, vars, 1);
13812 elink_emac_program(params, vars);
13813 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
13814 }
13815
elink_init_xmac_loopback(struct elink_params * params,struct elink_vars * vars)13816 static void elink_init_xmac_loopback(struct elink_params *params,
13817 struct elink_vars *vars)
13818 {
13819 struct bnx2x_softc *sc = params->sc;
13820 vars->link_up = 1;
13821 if (!params->req_line_speed[0])
13822 vars->line_speed = ELINK_SPEED_10000;
13823 else
13824 vars->line_speed = params->req_line_speed[0];
13825 vars->duplex = DUPLEX_FULL;
13826 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13827 vars->mac_type = ELINK_MAC_TYPE_XMAC;
13828 vars->phy_flags = PHY_XGXS_FLAG;
13829 /* Set WC to loopback mode since link is required to provide clock
13830 * to the XMAC in 20G mode
13831 */
13832 elink_set_aer_mmd(params, ¶ms->phy[0]);
13833 elink_warpcore_reset_lane(sc, ¶ms->phy[0], 0);
13834 params->phy[ELINK_INT_PHY].config_loopback(
13835 ¶ms->phy[ELINK_INT_PHY],
13836 params);
13837
13838 elink_xmac_enable(params, vars, 1);
13839 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
13840 }
13841
elink_init_umac_loopback(struct elink_params * params,struct elink_vars * vars)13842 static void elink_init_umac_loopback(struct elink_params *params,
13843 struct elink_vars *vars)
13844 {
13845 struct bnx2x_softc *sc = params->sc;
13846 vars->link_up = 1;
13847 vars->line_speed = ELINK_SPEED_1000;
13848 vars->duplex = DUPLEX_FULL;
13849 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13850 vars->mac_type = ELINK_MAC_TYPE_UMAC;
13851 vars->phy_flags = PHY_XGXS_FLAG;
13852 elink_umac_enable(params, vars, 1);
13853
13854 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
13855 }
13856
elink_init_xgxs_loopback(struct elink_params * params,struct elink_vars * vars)13857 static void elink_init_xgxs_loopback(struct elink_params *params,
13858 struct elink_vars *vars)
13859 {
13860 struct bnx2x_softc *sc = params->sc;
13861 struct elink_phy *int_phy = ¶ms->phy[ELINK_INT_PHY];
13862 vars->link_up = 1;
13863 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13864 vars->duplex = DUPLEX_FULL;
13865 if (params->req_line_speed[0] == ELINK_SPEED_1000)
13866 vars->line_speed = ELINK_SPEED_1000;
13867 else if ((params->req_line_speed[0] == ELINK_SPEED_20000) ||
13868 (int_phy->flags & ELINK_FLAGS_WC_DUAL_MODE))
13869 vars->line_speed = ELINK_SPEED_20000;
13870 else
13871 vars->line_speed = ELINK_SPEED_10000;
13872
13873 if (!USES_WARPCORE(sc))
13874 elink_xgxs_deassert(params);
13875 elink_link_initialize(params, vars);
13876
13877 if (params->req_line_speed[0] == ELINK_SPEED_1000) {
13878 if (USES_WARPCORE(sc))
13879 elink_umac_enable(params, vars, 0);
13880 else {
13881 elink_emac_program(params, vars);
13882 elink_emac_enable(params, vars, 0);
13883 }
13884 } else {
13885 if (USES_WARPCORE(sc))
13886 elink_xmac_enable(params, vars, 0);
13887 else
13888 elink_bmac_enable(params, vars, 0, 1);
13889 }
13890
13891 if (params->loopback_mode == ELINK_LOOPBACK_XGXS) {
13892 /* Set 10G XGXS loopback */
13893 int_phy->config_loopback(int_phy, params);
13894 } else {
13895 /* Set external phy loopback */
13896 uint8_t phy_index;
13897 for (phy_index = ELINK_EXT_PHY1;
13898 phy_index < params->num_phys; phy_index++)
13899 if (params->phy[phy_index].config_loopback)
13900 params->phy[phy_index].config_loopback(
13901 ¶ms->phy[phy_index],
13902 params);
13903 }
13904 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
13905
13906 elink_set_led(params, vars, ELINK_LED_MODE_OPER, vars->line_speed);
13907 }
13908
elink_set_rx_filter(struct elink_params * params,uint8_t en)13909 void elink_set_rx_filter(struct elink_params *params, uint8_t en)
13910 {
13911 struct bnx2x_softc *sc = params->sc;
13912 uint8_t val = en * 0x1F;
13913
13914 /* Open / close the gate between the NIG and the BRB */
13915 if (!CHIP_IS_E1x(sc))
13916 val |= en * 0x20;
13917 REG_WR(sc, NIG_REG_LLH0_BRB1_DRV_MASK + params->port * 4, val);
13918
13919 if (!CHIP_IS_E1(sc)) {
13920 REG_WR(sc, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port * 4,
13921 en * 0x3);
13922 }
13923
13924 REG_WR(sc, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
13925 NIG_REG_LLH0_BRB1_NOT_MCP), en);
13926 }
elink_avoid_link_flap(struct elink_params * params,struct elink_vars * vars)13927 static elink_status_t elink_avoid_link_flap(struct elink_params *params,
13928 struct elink_vars *vars)
13929 {
13930 uint32_t phy_idx;
13931 uint32_t dont_clear_stat, lfa_sts;
13932 struct bnx2x_softc *sc = params->sc;
13933
13934 elink_set_mdio_emac_per_phy(sc, params);
13935 /* Sync the link parameters */
13936 elink_link_status_update(params, vars);
13937
13938 /*
13939 * The module verification was already done by previous link owner,
13940 * so this call is meant only to get warning message
13941 */
13942
13943 for (phy_idx = ELINK_INT_PHY; phy_idx < params->num_phys; phy_idx++) {
13944 struct elink_phy *phy = ¶ms->phy[phy_idx];
13945 if (phy->phy_specific_func) {
13946 ELINK_DEBUG_P0(sc, "Calling PHY specific func");
13947 phy->phy_specific_func(phy, params, ELINK_PHY_INIT);
13948 }
13949 if ((phy->media_type == ELINK_ETH_PHY_SFPP_10G_FIBER) ||
13950 (phy->media_type == ELINK_ETH_PHY_SFP_1G_FIBER) ||
13951 (phy->media_type == ELINK_ETH_PHY_DA_TWINAX))
13952 elink_verify_sfp_module(phy, params);
13953 }
13954 lfa_sts = REG_RD(sc, params->lfa_base +
13955 offsetof(struct shmem_lfa,
13956 lfa_sts));
13957
13958 dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
13959
13960 /* Re-enable the NIG/MAC */
13961 if (CHIP_IS_E3(sc)) {
13962 if (!dont_clear_stat) {
13963 REG_WR(sc, GRCBASE_MISC +
13964 MISC_REGISTERS_RESET_REG_2_CLEAR,
13965 (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
13966 params->port));
13967 REG_WR(sc, GRCBASE_MISC +
13968 MISC_REGISTERS_RESET_REG_2_SET,
13969 (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
13970 params->port));
13971 }
13972 if (vars->line_speed < ELINK_SPEED_10000)
13973 elink_umac_enable(params, vars, 0);
13974 else
13975 elink_xmac_enable(params, vars, 0);
13976 } else {
13977 if (vars->line_speed < ELINK_SPEED_10000)
13978 elink_emac_enable(params, vars, 0);
13979 else
13980 elink_bmac_enable(params, vars, 0, !dont_clear_stat);
13981 }
13982
13983 /* Increment LFA count */
13984 lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
13985 (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
13986 LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
13987 << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
13988 /* Clear link flap reason */
13989 lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
13990
13991 REG_WR(sc, params->lfa_base +
13992 offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
13993
13994 /* Disable NIG DRAIN */
13995 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
13996
13997 /* Enable interrupts */
13998 elink_link_int_enable(params);
13999 return ELINK_STATUS_OK;
14000 }
14001
elink_cannot_avoid_link_flap(struct elink_params * params,struct elink_vars * vars,int lfa_status)14002 static void elink_cannot_avoid_link_flap(struct elink_params *params,
14003 struct elink_vars *vars,
14004 int lfa_status)
14005 {
14006 uint32_t lfa_sts, cfg_idx, tmp_val;
14007 struct bnx2x_softc *sc = params->sc;
14008
14009 elink_link_reset(params, vars, 1);
14010
14011 if (!params->lfa_base)
14012 return;
14013 /* Store the new link parameters */
14014 REG_WR(sc, params->lfa_base +
14015 offsetof(struct shmem_lfa, req_duplex),
14016 params->req_duplex[0] | (params->req_duplex[1] << 16));
14017
14018 REG_WR(sc, params->lfa_base +
14019 offsetof(struct shmem_lfa, req_flow_ctrl),
14020 params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
14021
14022 REG_WR(sc, params->lfa_base +
14023 offsetof(struct shmem_lfa, req_line_speed),
14024 params->req_line_speed[0] | (params->req_line_speed[1] << 16));
14025
14026 for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
14027 REG_WR(sc, params->lfa_base +
14028 offsetof(struct shmem_lfa,
14029 speed_cap_mask[cfg_idx]),
14030 params->speed_cap_mask[cfg_idx]);
14031 }
14032
14033 tmp_val = REG_RD(sc, params->lfa_base +
14034 offsetof(struct shmem_lfa, additional_config));
14035 tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
14036 tmp_val |= params->req_fc_auto_adv;
14037
14038 REG_WR(sc, params->lfa_base +
14039 offsetof(struct shmem_lfa, additional_config), tmp_val);
14040
14041 lfa_sts = REG_RD(sc, params->lfa_base +
14042 offsetof(struct shmem_lfa, lfa_sts));
14043
14044 /* Clear the "Don't Clear Statistics" bit, and set reason */
14045 lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
14046
14047 /* Set link flap reason */
14048 lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
14049 lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
14050 LFA_LINK_FLAP_REASON_OFFSET);
14051
14052 /* Increment link flap counter */
14053 lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
14054 (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
14055 LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
14056 << LINK_FLAP_COUNT_OFFSET));
14057 REG_WR(sc, params->lfa_base +
14058 offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
14059 /* Proceed with regular link initialization */
14060 }
14061
elink_phy_init(struct elink_params * params,struct elink_vars * vars)14062 elink_status_t elink_phy_init(struct elink_params *params,
14063 struct elink_vars *vars)
14064 {
14065 int lfa_status;
14066 struct bnx2x_softc *sc = params->sc;
14067 ELINK_DEBUG_P0(sc, "Phy Initialization started");
14068 ELINK_DEBUG_P2(sc, "(1) req_speed %d, req_flowctrl %d",
14069 params->req_line_speed[0], params->req_flow_ctrl[0]);
14070 ELINK_DEBUG_P2(sc, "(2) req_speed %d, req_flowctrl %d",
14071 params->req_line_speed[1], params->req_flow_ctrl[1]);
14072 ELINK_DEBUG_P1(sc, "req_adv_flow_ctrl 0x%x", params->req_fc_auto_adv);
14073 vars->link_status = 0;
14074 vars->phy_link_up = 0;
14075 vars->link_up = 0;
14076 vars->line_speed = 0;
14077 vars->duplex = DUPLEX_FULL;
14078 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
14079 vars->mac_type = ELINK_MAC_TYPE_NONE;
14080 vars->phy_flags = 0;
14081 vars->check_kr2_recovery_cnt = 0;
14082 params->link_flags = ELINK_PHY_INITIALIZED;
14083 /* Driver opens NIG-BRB filters */
14084 elink_set_rx_filter(params, 1);
14085 elink_chng_link_count(params, 1);
14086 /* Check if link flap can be avoided */
14087 lfa_status = elink_check_lfa(params);
14088
14089 ELINK_DEBUG_P3(sc, " params : port = %x, loopback_mode = %x req_duplex = %x",
14090 params->port, params->loopback_mode,
14091 params->req_duplex[0]);
14092 ELINK_DEBUG_P3(sc, " params : switch_cfg = %x, lane_config = %x req_duplex[1] = %x",
14093 params->switch_cfg, params->lane_config,
14094 params->req_duplex[1]);
14095 ELINK_DEBUG_P3(sc, " params : chip_id = %x, feature_config_flags = %x, num_phys = %x",
14096 params->chip_id, params->feature_config_flags,
14097 params->num_phys);
14098 ELINK_DEBUG_P3(sc, " params : rsrv = %x, eee_mode = %x, hw_led_mode = %x",
14099 params->rsrv, params->eee_mode, params->hw_led_mode);
14100 ELINK_DEBUG_P3(sc, " params : multi_phy = %x, req_fc_auto_adv = %x, link_flags = %x",
14101 params->multi_phy_config, params->req_fc_auto_adv,
14102 params->link_flags);
14103 ELINK_DEBUG_P2(sc, " params : lfa_base = %x, link_attr = %x",
14104 params->lfa_base, params->link_attr_sync);
14105 if (lfa_status == 0) {
14106 ELINK_DEBUG_P0(sc, "Link Flap Avoidance in progress");
14107 return elink_avoid_link_flap(params, vars);
14108 }
14109
14110 ELINK_DEBUG_P1(sc, "Cannot avoid link flap lfa_sta=0x%x",
14111 lfa_status);
14112 elink_cannot_avoid_link_flap(params, vars, lfa_status);
14113
14114 /* Disable attentions */
14115 elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 + params->port * 4,
14116 (ELINK_NIG_MASK_XGXS0_LINK_STATUS |
14117 ELINK_NIG_MASK_XGXS0_LINK10G |
14118 ELINK_NIG_MASK_SERDES0_LINK_STATUS |
14119 ELINK_NIG_MASK_MI_INT));
14120 #ifdef ELINK_INCLUDE_EMUL
14121 if (!(params->feature_config_flags &
14122 ELINK_FEATURE_CONFIG_EMUL_DISABLE_EMAC))
14123 #endif
14124
14125 elink_emac_init(params, vars);
14126
14127 if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
14128 vars->link_status |= LINK_STATUS_PFC_ENABLED;
14129
14130 if ((params->num_phys == 0) &&
14131 !CHIP_REV_IS_SLOW(sc)) {
14132 ELINK_DEBUG_P0(sc, "No phy found for initialization !!");
14133 return ELINK_STATUS_ERROR;
14134 }
14135 set_phy_vars(params, vars);
14136
14137 ELINK_DEBUG_P1(sc, "Num of phys on board: %d", params->num_phys);
14138 #ifdef ELINK_INCLUDE_FPGA
14139 if (CHIP_REV_IS_FPGA(sc)) {
14140 return elink_init_fpga(params, vars);
14141 } else
14142 #endif
14143 #ifdef ELINK_INCLUDE_EMUL
14144 if (CHIP_REV_IS_EMUL(sc)) {
14145 return elink_init_emul(params, vars);
14146 } else
14147 #endif
14148 switch (params->loopback_mode) {
14149 case ELINK_LOOPBACK_BMAC:
14150 elink_init_bmac_loopback(params, vars);
14151 break;
14152 case ELINK_LOOPBACK_EMAC:
14153 elink_init_emac_loopback(params, vars);
14154 break;
14155 case ELINK_LOOPBACK_XMAC:
14156 elink_init_xmac_loopback(params, vars);
14157 break;
14158 case ELINK_LOOPBACK_UMAC:
14159 elink_init_umac_loopback(params, vars);
14160 break;
14161 case ELINK_LOOPBACK_XGXS:
14162 case ELINK_LOOPBACK_EXT_PHY:
14163 elink_init_xgxs_loopback(params, vars);
14164 break;
14165 default:
14166 if (!CHIP_IS_E3(sc)) {
14167 if (params->switch_cfg == ELINK_SWITCH_CFG_10G)
14168 elink_xgxs_deassert(params);
14169 else
14170 elink_serdes_deassert(sc, params->port);
14171 }
14172 elink_link_initialize(params, vars);
14173 DELAY(1000 * 30);
14174 elink_link_int_enable(params);
14175 break;
14176 }
14177 elink_update_mng(params, vars->link_status);
14178
14179 elink_update_mng_eee(params, vars->eee_status);
14180 return ELINK_STATUS_OK;
14181 }
14182
elink_link_reset(struct elink_params * params,struct elink_vars * vars,uint8_t reset_ext_phy)14183 elink_status_t elink_link_reset(struct elink_params *params,
14184 struct elink_vars *vars,
14185 uint8_t reset_ext_phy)
14186 {
14187 struct bnx2x_softc *sc = params->sc;
14188 uint8_t phy_index, port = params->port, clear_latch_ind = 0;
14189 ELINK_DEBUG_P1(sc, "Resetting the link of port %d", port);
14190 /* Disable attentions */
14191 vars->link_status = 0;
14192 elink_chng_link_count(params, 1);
14193 elink_update_mng(params, vars->link_status);
14194 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
14195 SHMEM_EEE_ACTIVE_BIT);
14196 elink_update_mng_eee(params, vars->eee_status);
14197 elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 + port * 4,
14198 (ELINK_NIG_MASK_XGXS0_LINK_STATUS |
14199 ELINK_NIG_MASK_XGXS0_LINK10G |
14200 ELINK_NIG_MASK_SERDES0_LINK_STATUS |
14201 ELINK_NIG_MASK_MI_INT));
14202
14203 /* Activate nig drain */
14204 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + port * 4, 1);
14205
14206 /* Disable nig egress interface */
14207 if (!CHIP_IS_E3(sc)) {
14208 REG_WR(sc, NIG_REG_BMAC0_OUT_EN + port * 4, 0);
14209 REG_WR(sc, NIG_REG_EGRESS_EMAC0_OUT_EN + port * 4, 0);
14210 }
14211
14212 #ifdef ELINK_INCLUDE_EMUL
14213 /* Stop BigMac rx */
14214 if (!(params->feature_config_flags &
14215 ELINK_FEATURE_CONFIG_EMUL_DISABLE_BMAC))
14216 #endif
14217 if (!CHIP_IS_E3(sc))
14218 elink_set_bmac_rx(sc, params->chip_id, port, 0);
14219 #ifdef ELINK_INCLUDE_EMUL
14220 /* Stop XMAC/UMAC rx */
14221 if (!(params->feature_config_flags &
14222 ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC))
14223 #endif
14224 if (CHIP_IS_E3(sc) &&
14225 !CHIP_REV_IS_FPGA(sc)) {
14226 elink_set_xmac_rxtx(params, 0);
14227 elink_set_umac_rxtx(params, 0);
14228 }
14229 /* Disable emac */
14230 if (!CHIP_IS_E3(sc))
14231 REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port * 4, 0);
14232
14233 DELAY(1000 * 10);
14234 /* The PHY reset is controlled by GPIO 1
14235 * Hold it as vars low
14236 */
14237 /* Clear link led */
14238 elink_set_mdio_emac_per_phy(sc, params);
14239 elink_set_led(params, vars, ELINK_LED_MODE_OFF, 0);
14240
14241 if (reset_ext_phy && (!CHIP_REV_IS_SLOW(sc))) {
14242 for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
14243 phy_index++) {
14244 if (params->phy[phy_index].link_reset) {
14245 elink_set_aer_mmd(params,
14246 ¶ms->phy[phy_index]);
14247 params->phy[phy_index].link_reset(
14248 ¶ms->phy[phy_index],
14249 params);
14250 }
14251 if (params->phy[phy_index].flags &
14252 ELINK_FLAGS_REARM_LATCH_SIGNAL)
14253 clear_latch_ind = 1;
14254 }
14255 }
14256
14257 if (clear_latch_ind) {
14258 /* Clear latching indication */
14259 elink_rearm_latch_signal(sc, port, 0);
14260 elink_bits_dis(sc, NIG_REG_LATCH_BC_0 + port * 4,
14261 1 << ELINK_NIG_LATCH_BC_ENABLE_MI_INT);
14262 }
14263 #if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
14264 if (!CHIP_REV_IS_SLOW(sc))
14265 #endif
14266 if (params->phy[ELINK_INT_PHY].link_reset)
14267 params->phy[ELINK_INT_PHY].link_reset(
14268 ¶ms->phy[ELINK_INT_PHY], params);
14269
14270 /* Disable nig ingress interface */
14271 if (!CHIP_IS_E3(sc)) {
14272 /* Reset BigMac */
14273 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
14274 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
14275 REG_WR(sc, NIG_REG_BMAC0_IN_EN + port * 4, 0);
14276 REG_WR(sc, NIG_REG_EMAC0_IN_EN + port * 4, 0);
14277 } else {
14278 uint32_t xmac_base = (params->port) ? GRCBASE_XMAC1 :
14279 GRCBASE_XMAC0;
14280 elink_set_xumac_nig(params, 0, 0);
14281 if (REG_RD(sc, MISC_REG_RESET_REG_2) &
14282 MISC_REGISTERS_RESET_REG_2_XMAC)
14283 REG_WR(sc, xmac_base + XMAC_REG_CTRL,
14284 XMAC_CTRL_REG_SOFT_RESET);
14285 }
14286 vars->link_up = 0;
14287 vars->phy_flags = 0;
14288 return ELINK_STATUS_OK;
14289 }
elink_lfa_reset(struct elink_params * params,struct elink_vars * vars)14290 elink_status_t elink_lfa_reset(struct elink_params *params,
14291 struct elink_vars *vars)
14292 {
14293 struct bnx2x_softc *sc = params->sc;
14294 vars->link_up = 0;
14295 vars->phy_flags = 0;
14296 params->link_flags &= ~ELINK_PHY_INITIALIZED;
14297 if (!params->lfa_base)
14298 return elink_link_reset(params, vars, 1);
14299 /*
14300 * Activate NIG drain so that during this time the device won't send
14301 * anything while it is unable to response.
14302 */
14303 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 1);
14304
14305 /*
14306 * Close gracefully the gate from BMAC to NIG such that no half packets
14307 * are passed.
14308 */
14309 if (!CHIP_IS_E3(sc))
14310 elink_set_bmac_rx(sc, params->chip_id, params->port, 0);
14311
14312 if (CHIP_IS_E3(sc)) {
14313 elink_set_xmac_rxtx(params, 0);
14314 elink_set_umac_rxtx(params, 0);
14315 }
14316 /* Wait 10ms for the pipe to clean up*/
14317 DELAY(1000 * 10);
14318
14319 /* Clean the NIG-BRB using the network filters in a way that will
14320 * not cut a packet in the middle.
14321 */
14322 elink_set_rx_filter(params, 0);
14323
14324 /*
14325 * Re-open the gate between the BMAC and the NIG, after verifying the
14326 * gate to the BRB is closed, otherwise packets may arrive to the
14327 * firmware before driver had initialized it. The target is to achieve
14328 * minimum management protocol down time.
14329 */
14330 if (!CHIP_IS_E3(sc))
14331 elink_set_bmac_rx(sc, params->chip_id, params->port, 1);
14332
14333 if (CHIP_IS_E3(sc)) {
14334 elink_set_xmac_rxtx(params, 1);
14335 elink_set_umac_rxtx(params, 1);
14336 }
14337 /* Disable NIG drain */
14338 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
14339 return ELINK_STATUS_OK;
14340 }
14341
14342 /****************************************************************************/
14343 /* Common function */
14344 /****************************************************************************/
elink_8073_common_init_phy(struct bnx2x_softc * sc,uint32_t shmem_base_path[],uint32_t shmem2_base_path[],uint8_t phy_index,__rte_unused uint32_t chip_id)14345 static elink_status_t elink_8073_common_init_phy(struct bnx2x_softc *sc,
14346 uint32_t shmem_base_path[],
14347 uint32_t shmem2_base_path[],
14348 uint8_t phy_index,
14349 __rte_unused uint32_t chip_id)
14350 {
14351 struct elink_phy phy[PORT_MAX];
14352 struct elink_phy *phy_blk[PORT_MAX];
14353 uint16_t val;
14354 int8_t port = 0;
14355 int8_t port_of_path = 0;
14356 uint32_t swap_val, swap_override;
14357 swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
14358 swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
14359 port ^= (swap_val && swap_override);
14360 elink_ext_phy_hw_reset(sc, port);
14361 /* PART1 - Reset both phys */
14362 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
14363 uint32_t shmem_base, shmem2_base;
14364 /* In E2, same phy is using for port0 of the two paths */
14365 if (CHIP_IS_E1x(sc)) {
14366 shmem_base = shmem_base_path[0];
14367 shmem2_base = shmem2_base_path[0];
14368 port_of_path = port;
14369 } else {
14370 shmem_base = shmem_base_path[port];
14371 shmem2_base = shmem2_base_path[port];
14372 port_of_path = 0;
14373 }
14374
14375 /* Extract the ext phy address for the port */
14376 if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base,
14377 port_of_path, &phy[port]) !=
14378 ELINK_STATUS_OK) {
14379 ELINK_DEBUG_P0(sc, "populate_phy failed");
14380 return ELINK_STATUS_ERROR;
14381 }
14382 /* Disable attentions */
14383 elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 +
14384 port_of_path * 4,
14385 (ELINK_NIG_MASK_XGXS0_LINK_STATUS |
14386 ELINK_NIG_MASK_XGXS0_LINK10G |
14387 ELINK_NIG_MASK_SERDES0_LINK_STATUS |
14388 ELINK_NIG_MASK_MI_INT));
14389
14390 /* Need to take the phy out of low power mode in order
14391 * to write to access its registers
14392 */
14393 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
14394 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
14395 port);
14396
14397 /* Reset the phy */
14398 elink_cl45_write(sc, &phy[port],
14399 MDIO_PMA_DEVAD,
14400 MDIO_PMA_REG_CTRL,
14401 1 << 15);
14402 }
14403
14404 /* Add delay of 150ms after reset */
14405 DELAY(1000 * 150);
14406
14407 if (phy[PORT_0].addr & 0x1) {
14408 phy_blk[PORT_0] = &(phy[PORT_1]);
14409 phy_blk[PORT_1] = &(phy[PORT_0]);
14410 } else {
14411 phy_blk[PORT_0] = &(phy[PORT_0]);
14412 phy_blk[PORT_1] = &(phy[PORT_1]);
14413 }
14414
14415 /* PART2 - Download firmware to both phys */
14416 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
14417 if (CHIP_IS_E1x(sc))
14418 port_of_path = port;
14419 else
14420 port_of_path = 0;
14421
14422 ELINK_DEBUG_P1(sc, "Loading spirom for phy address 0x%x",
14423 phy_blk[port]->addr);
14424 if (elink_8073_8727_external_rom_boot(sc, phy_blk[port],
14425 port_of_path))
14426 return ELINK_STATUS_ERROR;
14427
14428 /* Only set bit 10 = 1 (Tx power down) */
14429 elink_cl45_read(sc, phy_blk[port],
14430 MDIO_PMA_DEVAD,
14431 MDIO_PMA_REG_TX_POWER_DOWN, &val);
14432
14433 /* Phase1 of TX_POWER_DOWN reset */
14434 elink_cl45_write(sc, phy_blk[port],
14435 MDIO_PMA_DEVAD,
14436 MDIO_PMA_REG_TX_POWER_DOWN,
14437 (val | 1 << 10));
14438 }
14439
14440 /* Toggle Transmitter: Power down and then up with 600ms delay
14441 * between
14442 */
14443 DELAY(1000 * 600);
14444
14445 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
14446 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
14447 /* Phase2 of POWER_DOWN_RESET */
14448 /* Release bit 10 (Release Tx power down) */
14449 elink_cl45_read(sc, phy_blk[port],
14450 MDIO_PMA_DEVAD,
14451 MDIO_PMA_REG_TX_POWER_DOWN, &val);
14452
14453 elink_cl45_write(sc, phy_blk[port],
14454 MDIO_PMA_DEVAD,
14455 MDIO_PMA_REG_TX_POWER_DOWN,
14456 (val & (~(1 << 10))));
14457 DELAY(1000 * 15);
14458
14459 /* Read modify write the SPI-ROM version select register */
14460 elink_cl45_read(sc, phy_blk[port],
14461 MDIO_PMA_DEVAD,
14462 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
14463 elink_cl45_write(sc, phy_blk[port],
14464 MDIO_PMA_DEVAD,
14465 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1 << 12)));
14466
14467 /* set GPIO2 back to LOW */
14468 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
14469 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
14470 }
14471 return ELINK_STATUS_OK;
14472 }
elink_8726_common_init_phy(struct bnx2x_softc * sc,uint32_t shmem_base_path[],uint32_t shmem2_base_path[],uint8_t phy_index,__rte_unused uint32_t chip_id)14473 static elink_status_t elink_8726_common_init_phy(struct bnx2x_softc *sc,
14474 uint32_t shmem_base_path[],
14475 uint32_t shmem2_base_path[],
14476 uint8_t phy_index,
14477 __rte_unused uint32_t chip_id)
14478 {
14479 uint32_t val;
14480 int8_t port;
14481 struct elink_phy phy;
14482 /* Use port1 because of the static port-swap */
14483 /* Enable the module detection interrupt */
14484 val = REG_RD(sc, MISC_REG_GPIO_EVENT_EN);
14485 val |= ((1 << MISC_REGISTERS_GPIO_3) |
14486 (1 << (MISC_REGISTERS_GPIO_3 +
14487 MISC_REGISTERS_GPIO_PORT_SHIFT)));
14488 REG_WR(sc, MISC_REG_GPIO_EVENT_EN, val);
14489
14490 elink_ext_phy_hw_reset(sc, 0);
14491 DELAY(1000 * 5);
14492 for (port = 0; port < PORT_MAX; port++) {
14493 uint32_t shmem_base, shmem2_base;
14494
14495 /* In E2, same phy is using for port0 of the two paths */
14496 if (CHIP_IS_E1x(sc)) {
14497 shmem_base = shmem_base_path[0];
14498 shmem2_base = shmem2_base_path[0];
14499 } else {
14500 shmem_base = shmem_base_path[port];
14501 shmem2_base = shmem2_base_path[port];
14502 }
14503 /* Extract the ext phy address for the port */
14504 if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base,
14505 port, &phy) !=
14506 ELINK_STATUS_OK) {
14507 ELINK_DEBUG_P0(sc, "populate phy failed");
14508 return ELINK_STATUS_ERROR;
14509 }
14510
14511 /* Reset phy*/
14512 elink_cl45_write(sc, &phy,
14513 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
14514
14515
14516 /* Set fault module detected LED on */
14517 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_0,
14518 MISC_REGISTERS_GPIO_HIGH,
14519 port);
14520 }
14521
14522 return ELINK_STATUS_OK;
14523 }
elink_get_ext_phy_reset_gpio(struct bnx2x_softc * sc,uint32_t shmem_base,uint8_t * io_gpio,uint8_t * io_port)14524 static void elink_get_ext_phy_reset_gpio(struct bnx2x_softc *sc,
14525 uint32_t shmem_base,
14526 uint8_t *io_gpio, uint8_t *io_port)
14527 {
14528
14529 uint32_t phy_gpio_reset = REG_RD(sc, shmem_base +
14530 offsetof(struct shmem_region,
14531 dev_info.port_hw_config[PORT_0].default_cfg));
14532 switch (phy_gpio_reset) {
14533 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
14534 *io_gpio = 0;
14535 *io_port = 0;
14536 break;
14537 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
14538 *io_gpio = 1;
14539 *io_port = 0;
14540 break;
14541 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
14542 *io_gpio = 2;
14543 *io_port = 0;
14544 break;
14545 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
14546 *io_gpio = 3;
14547 *io_port = 0;
14548 break;
14549 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
14550 *io_gpio = 0;
14551 *io_port = 1;
14552 break;
14553 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
14554 *io_gpio = 1;
14555 *io_port = 1;
14556 break;
14557 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
14558 *io_gpio = 2;
14559 *io_port = 1;
14560 break;
14561 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
14562 *io_gpio = 3;
14563 *io_port = 1;
14564 break;
14565 default:
14566 /* Don't override the io_gpio and io_port */
14567 break;
14568 }
14569 }
14570
elink_8727_common_init_phy(struct bnx2x_softc * sc,uint32_t shmem_base_path[],uint32_t shmem2_base_path[],uint8_t phy_index,__rte_unused uint32_t chip_id)14571 static elink_status_t elink_8727_common_init_phy(struct bnx2x_softc *sc,
14572 uint32_t shmem_base_path[],
14573 uint32_t shmem2_base_path[],
14574 uint8_t phy_index,
14575 __rte_unused uint32_t chip_id)
14576 {
14577 int8_t port, reset_gpio;
14578 uint32_t swap_val, swap_override;
14579 struct elink_phy phy[PORT_MAX];
14580 struct elink_phy *phy_blk[PORT_MAX];
14581 int8_t port_of_path;
14582 swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
14583 swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
14584
14585 reset_gpio = MISC_REGISTERS_GPIO_1;
14586 port = 1;
14587
14588 /* Retrieve the reset gpio/port which control the reset.
14589 * Default is GPIO1, PORT1
14590 */
14591 elink_get_ext_phy_reset_gpio(sc, shmem_base_path[0],
14592 (uint8_t *)&reset_gpio, (uint8_t *)&port);
14593
14594 /* Calculate the port based on port swap */
14595 port ^= (swap_val && swap_override);
14596
14597 /* Initiate PHY reset*/
14598 elink_cb_gpio_write(sc, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
14599 port);
14600 DELAY(1000 * 1);
14601 elink_cb_gpio_write(sc, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
14602 port);
14603
14604 DELAY(1000 * 5);
14605
14606 /* PART1 - Reset both phys */
14607 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
14608 uint32_t shmem_base, shmem2_base;
14609
14610 /* In E2, same phy is using for port0 of the two paths */
14611 if (CHIP_IS_E1x(sc)) {
14612 shmem_base = shmem_base_path[0];
14613 shmem2_base = shmem2_base_path[0];
14614 port_of_path = port;
14615 } else {
14616 shmem_base = shmem_base_path[port];
14617 shmem2_base = shmem2_base_path[port];
14618 port_of_path = 0;
14619 }
14620
14621 /* Extract the ext phy address for the port */
14622 if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base,
14623 port_of_path, &phy[port]) !=
14624 ELINK_STATUS_OK) {
14625 ELINK_DEBUG_P0(sc, "populate phy failed");
14626 return ELINK_STATUS_ERROR;
14627 }
14628 /* disable attentions */
14629 elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 +
14630 port_of_path * 4,
14631 (ELINK_NIG_MASK_XGXS0_LINK_STATUS |
14632 ELINK_NIG_MASK_XGXS0_LINK10G |
14633 ELINK_NIG_MASK_SERDES0_LINK_STATUS |
14634 ELINK_NIG_MASK_MI_INT));
14635
14636
14637 /* Reset the phy */
14638 elink_cl45_write(sc, &phy[port],
14639 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1 << 15);
14640 }
14641
14642 /* Add delay of 150ms after reset */
14643 DELAY(1000 * 150);
14644 if (phy[PORT_0].addr & 0x1) {
14645 phy_blk[PORT_0] = &(phy[PORT_1]);
14646 phy_blk[PORT_1] = &(phy[PORT_0]);
14647 } else {
14648 phy_blk[PORT_0] = &(phy[PORT_0]);
14649 phy_blk[PORT_1] = &(phy[PORT_1]);
14650 }
14651 /* PART2 - Download firmware to both phys */
14652 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
14653 if (CHIP_IS_E1x(sc))
14654 port_of_path = port;
14655 else
14656 port_of_path = 0;
14657 ELINK_DEBUG_P1(sc, "Loading spirom for phy address 0x%x",
14658 phy_blk[port]->addr);
14659 if (elink_8073_8727_external_rom_boot(sc, phy_blk[port],
14660 port_of_path))
14661 return ELINK_STATUS_ERROR;
14662 /* Disable PHY transmitter output */
14663 elink_cl45_write(sc, phy_blk[port],
14664 MDIO_PMA_DEVAD,
14665 MDIO_PMA_REG_TX_DISABLE, 1);
14666
14667 }
14668 return ELINK_STATUS_OK;
14669 }
14670
elink_84833_common_init_phy(struct bnx2x_softc * sc,uint32_t shmem_base_path[],__rte_unused uint32_t shmem2_base_path[],__rte_unused uint8_t phy_index,uint32_t chip_id)14671 static elink_status_t elink_84833_common_init_phy(struct bnx2x_softc *sc,
14672 uint32_t shmem_base_path[],
14673 __rte_unused uint32_t shmem2_base_path[],
14674 __rte_unused uint8_t phy_index,
14675 uint32_t chip_id)
14676 {
14677 uint8_t reset_gpios;
14678 reset_gpios = elink_84833_get_reset_gpios(sc, shmem_base_path, chip_id);
14679 elink_cb_gpio_mult_write(sc, reset_gpios,
14680 MISC_REGISTERS_GPIO_OUTPUT_LOW);
14681 DELAY(10);
14682 elink_cb_gpio_mult_write(sc, reset_gpios,
14683 MISC_REGISTERS_GPIO_OUTPUT_HIGH);
14684 ELINK_DEBUG_P1(sc, "84833 reset pulse on pin values 0x%x",
14685 reset_gpios);
14686 return ELINK_STATUS_OK;
14687 }
elink_ext_phy_common_init(struct bnx2x_softc * sc,uint32_t shmem_base_path[],uint32_t shmem2_base_path[],uint8_t phy_index,uint32_t ext_phy_type,uint32_t chip_id)14688 static elink_status_t elink_ext_phy_common_init(struct bnx2x_softc *sc,
14689 uint32_t shmem_base_path[],
14690 uint32_t shmem2_base_path[],
14691 uint8_t phy_index,
14692 uint32_t ext_phy_type, uint32_t chip_id)
14693 {
14694 elink_status_t rc = ELINK_STATUS_OK;
14695
14696 switch (ext_phy_type) {
14697 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8073:
14698 rc = elink_8073_common_init_phy(sc, shmem_base_path,
14699 shmem2_base_path,
14700 phy_index, chip_id);
14701 break;
14702 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8722:
14703 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8727:
14704 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8727_NOC:
14705 rc = elink_8727_common_init_phy(sc, shmem_base_path,
14706 shmem2_base_path,
14707 phy_index, chip_id);
14708 break;
14709
14710 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8726:
14711 /* GPIO1 affects both ports, so there's need to pull
14712 * it for single port alone
14713 */
14714 rc = elink_8726_common_init_phy(sc, shmem_base_path,
14715 shmem2_base_path,
14716 phy_index, chip_id);
14717 break;
14718 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84833:
14719 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84834:
14720 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X84858:
14721 /* GPIO3's are linked, and so both need to be toggled
14722 * to obtain required 2us pulse.
14723 */
14724 rc = elink_84833_common_init_phy(sc, shmem_base_path,
14725 shmem2_base_path,
14726 phy_index, chip_id);
14727 break;
14728 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
14729 rc = ELINK_STATUS_ERROR;
14730 break;
14731 default:
14732 ELINK_DEBUG_P1(sc,
14733 "ext_phy 0x%x common init not required",
14734 ext_phy_type);
14735 break;
14736 }
14737
14738 if (rc != ELINK_STATUS_OK)
14739 elink_cb_event_log(sc, ELINK_LOG_ID_PHY_UNINITIALIZED, 0);
14740 /* "Warning: PHY was not initialized,"
14741 * " Port %d",
14742 */
14743
14744 return rc;
14745 }
14746
elink_common_init_phy(struct bnx2x_softc * sc,uint32_t shmem_base_path[],uint32_t shmem2_base_path[],uint32_t chip_id,__rte_unused uint8_t one_port_enabled)14747 elink_status_t elink_common_init_phy(struct bnx2x_softc *sc,
14748 uint32_t shmem_base_path[],
14749 uint32_t shmem2_base_path[], uint32_t chip_id,
14750 __rte_unused uint8_t one_port_enabled)
14751 {
14752 elink_status_t rc = ELINK_STATUS_OK;
14753 uint32_t phy_ver, val;
14754 uint8_t phy_index = 0;
14755 uint32_t ext_phy_type, ext_phy_config;
14756 #if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
14757 if (CHIP_REV_IS_EMUL(sc) || CHIP_REV_IS_FPGA(sc))
14758 return ELINK_STATUS_OK;
14759 #endif
14760
14761 elink_set_mdio_clk(sc, chip_id, GRCBASE_EMAC0);
14762 elink_set_mdio_clk(sc, chip_id, GRCBASE_EMAC1);
14763 ELINK_DEBUG_P0(sc, "Begin common phy init");
14764 if (CHIP_IS_E3(sc)) {
14765 /* Enable EPIO */
14766 val = REG_RD(sc, MISC_REG_GEN_PURP_HWG);
14767 REG_WR(sc, MISC_REG_GEN_PURP_HWG, val | 1);
14768 }
14769 /* Check if common init was already done */
14770 phy_ver = REG_RD(sc, shmem_base_path[0] +
14771 offsetof(struct shmem_region,
14772 port_mb[PORT_0].ext_phy_fw_version));
14773 if (phy_ver) {
14774 ELINK_DEBUG_P1(sc, "Not doing common init; phy ver is 0x%x",
14775 phy_ver);
14776 return ELINK_STATUS_OK;
14777 }
14778
14779 /* Read the ext_phy_type for arbitrary port(0) */
14780 for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS;
14781 phy_index++) {
14782 ext_phy_config = elink_get_ext_phy_config(sc,
14783 shmem_base_path[0],
14784 phy_index, 0);
14785 ext_phy_type = ELINK_XGXS_EXT_PHY_TYPE(ext_phy_config);
14786 rc |= elink_ext_phy_common_init(sc, shmem_base_path,
14787 shmem2_base_path,
14788 phy_index, ext_phy_type,
14789 chip_id);
14790 }
14791 return rc;
14792 }
14793
elink_check_over_curr(struct elink_params * params,struct elink_vars * vars)14794 static void elink_check_over_curr(struct elink_params *params,
14795 struct elink_vars *vars)
14796 {
14797 struct bnx2x_softc *sc = params->sc;
14798 uint32_t cfg_pin;
14799 uint8_t port = params->port;
14800 uint32_t pin_val;
14801
14802 cfg_pin = (REG_RD(sc, params->shmem_base +
14803 offsetof(struct shmem_region,
14804 dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
14805 PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
14806 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
14807
14808 /* Ignore check if no external input PIN available */
14809 if (elink_get_cfg_pin(sc, cfg_pin, &pin_val) != ELINK_STATUS_OK)
14810 return;
14811
14812 if (!pin_val) {
14813 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
14814 elink_cb_event_log(sc, ELINK_LOG_ID_OVER_CURRENT,
14815 params->port);
14816 /* "Error: Power fault on Port %d has"
14817 * " been detected and the power to "
14818 * "that SFP+ module has been removed"
14819 * " to prevent failure of the card."
14820 * " Please remove the SFP+ module and"
14821 * " restart the system to clear this"
14822 * " error.",
14823 */
14824 vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
14825 elink_warpcore_power_module(params, 0);
14826 }
14827 } else
14828 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
14829 }
14830
14831 /* Returns 0 if no change occurred since last check; 1 otherwise. */
elink_analyze_link_error(struct elink_params * params,struct elink_vars * vars,uint32_t status,uint32_t phy_flag,uint32_t link_flag,uint8_t notify)14832 static uint8_t elink_analyze_link_error(struct elink_params *params,
14833 struct elink_vars *vars, uint32_t status,
14834 uint32_t phy_flag, uint32_t link_flag,
14835 uint8_t notify)
14836 {
14837 struct bnx2x_softc *sc = params->sc;
14838 /* Compare new value with previous value */
14839 uint8_t led_mode;
14840 uint32_t old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
14841
14842 if ((status ^ old_status) == 0)
14843 return 0;
14844
14845 /* If values differ */
14846 switch (phy_flag) {
14847 case PHY_HALF_OPEN_CONN_FLAG:
14848 ELINK_DEBUG_P0(sc, "Analyze Remote Fault");
14849 break;
14850 case PHY_SFP_TX_FAULT_FLAG:
14851 ELINK_DEBUG_P0(sc, "Analyze TX Fault");
14852 break;
14853 default:
14854 ELINK_DEBUG_P0(sc, "Analyze UNKNOWN");
14855 }
14856 ELINK_DEBUG_P3(sc, "Link changed:[%x %x]->%x", vars->link_up,
14857 old_status, status);
14858
14859 /* Do not touch the link in case physical link down */
14860 if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
14861 return 1;
14862
14863 /* a. Update shmem->link_status accordingly
14864 * b. Update elink_vars->link_up
14865 */
14866 if (status) {
14867 vars->link_status &= ~LINK_STATUS_LINK_UP;
14868 vars->link_status |= link_flag;
14869 vars->link_up = 0;
14870 vars->phy_flags |= phy_flag;
14871
14872 /* activate nig drain */
14873 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 1);
14874 /* Set LED mode to off since the PHY doesn't know about these
14875 * errors
14876 */
14877 led_mode = ELINK_LED_MODE_OFF;
14878 } else {
14879 vars->link_status |= LINK_STATUS_LINK_UP;
14880 vars->link_status &= ~link_flag;
14881 vars->link_up = 1;
14882 vars->phy_flags &= ~phy_flag;
14883 led_mode = ELINK_LED_MODE_OPER;
14884
14885 /* Clear nig drain */
14886 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
14887 }
14888 elink_sync_link(params, vars);
14889 /* Update the LED according to the link state */
14890 elink_set_led(params, vars, led_mode, ELINK_SPEED_10000);
14891
14892 /* Update link status in the shared memory */
14893 elink_update_mng(params, vars->link_status);
14894
14895 /* C. Trigger General Attention */
14896 vars->periodic_flags |= ELINK_PERIODIC_FLAGS_LINK_EVENT;
14897 if (notify)
14898 elink_cb_notify_link_changed(sc);
14899
14900 return 1;
14901 }
14902
14903 /******************************************************************************
14904 * Description:
14905 * This function checks for half opened connection change indication.
14906 * When such change occurs, it calls the elink_analyze_link_error
14907 * to check if Remote Fault is set or cleared. Reception of remote fault
14908 * status message in the MAC indicates that the peer's MAC has detected
14909 * a fault, for example, due to break in the TX side of fiber.
14910 *
14911 ******************************************************************************/
14912 static
elink_check_half_open_conn(struct elink_params * params,struct elink_vars * vars,uint8_t notify)14913 elink_status_t elink_check_half_open_conn(struct elink_params *params,
14914 struct elink_vars *vars,
14915 uint8_t notify)
14916 {
14917 struct bnx2x_softc *sc = params->sc;
14918 uint32_t lss_status = 0;
14919 uint32_t mac_base;
14920 /* In case link status is physically up @ 10G do */
14921 if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
14922 (REG_RD(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port * 4)))
14923 return ELINK_STATUS_OK;
14924
14925 if (CHIP_IS_E3(sc) &&
14926 (REG_RD(sc, MISC_REG_RESET_REG_2) &
14927 (MISC_REGISTERS_RESET_REG_2_XMAC))) {
14928 /* Check E3 XMAC */
14929 /* Note that link speed cannot be queried here, since it may be
14930 * zero while link is down. In case UMAC is active, LSS will
14931 * simply not be set
14932 */
14933 mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
14934
14935 /* Clear stick bits (Requires rising edge) */
14936 REG_WR(sc, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
14937 REG_WR(sc, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
14938 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
14939 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
14940 if (REG_RD(sc, mac_base + XMAC_REG_RX_LSS_STATUS))
14941 lss_status = 1;
14942
14943 elink_analyze_link_error(params, vars, lss_status,
14944 PHY_HALF_OPEN_CONN_FLAG,
14945 LINK_STATUS_NONE, notify);
14946 } else if (REG_RD(sc, MISC_REG_RESET_REG_2) &
14947 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
14948 /* Check E1X / E2 BMAC */
14949 uint32_t lss_status_reg;
14950 uint32_t wb_data[2];
14951 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
14952 NIG_REG_INGRESS_BMAC0_MEM;
14953 /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
14954 if (CHIP_IS_E2(sc))
14955 lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
14956 else
14957 lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
14958
14959 REG_RD_DMAE(sc, mac_base + lss_status_reg, wb_data, 2);
14960 lss_status = (wb_data[0] > 0);
14961
14962 elink_analyze_link_error(params, vars, lss_status,
14963 PHY_HALF_OPEN_CONN_FLAG,
14964 LINK_STATUS_NONE, notify);
14965 }
14966 return ELINK_STATUS_OK;
14967 }
elink_sfp_tx_fault_detection(struct elink_phy * phy,struct elink_params * params,struct elink_vars * vars)14968 static void elink_sfp_tx_fault_detection(struct elink_phy *phy,
14969 struct elink_params *params,
14970 struct elink_vars *vars)
14971 {
14972 struct bnx2x_softc *sc = params->sc;
14973 uint32_t cfg_pin, value = 0;
14974 uint8_t led_change, port = params->port;
14975
14976 /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
14977 cfg_pin = (REG_RD(sc, params->shmem_base + offsetof(struct shmem_region,
14978 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
14979 PORT_HW_CFG_E3_TX_FAULT_MASK) >>
14980 PORT_HW_CFG_E3_TX_FAULT_SHIFT;
14981
14982 if (elink_get_cfg_pin(sc, cfg_pin, &value)) {
14983 ELINK_DEBUG_P1(sc, "Failed to read pin 0x%02x", cfg_pin);
14984 return;
14985 }
14986
14987 led_change = elink_analyze_link_error(params, vars, value,
14988 PHY_SFP_TX_FAULT_FLAG,
14989 LINK_STATUS_SFP_TX_FAULT, 1);
14990
14991 if (led_change) {
14992 /* Change TX_Fault led, set link status for further syncs */
14993 uint8_t led_mode;
14994
14995 if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
14996 led_mode = MISC_REGISTERS_GPIO_HIGH;
14997 vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
14998 } else {
14999 led_mode = MISC_REGISTERS_GPIO_LOW;
15000 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
15001 }
15002
15003 /* If module is unapproved, led should be on regardless */
15004 if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED)) {
15005 ELINK_DEBUG_P1(sc, "Change TX_Fault LED: ->%x",
15006 led_mode);
15007 elink_set_e3_module_fault_led(params, led_mode);
15008 }
15009 }
15010 }
elink_kr2_recovery(struct elink_params * params,struct elink_vars * vars,struct elink_phy * phy)15011 static void elink_kr2_recovery(struct elink_params *params,
15012 struct elink_vars *vars,
15013 struct elink_phy *phy)
15014 {
15015 struct bnx2x_softc *sc = params->sc;
15016 ELINK_DEBUG_P0(sc, "KR2 recovery");
15017 elink_warpcore_enable_AN_KR2(phy, params, vars);
15018 elink_warpcore_restart_AN_KR(phy, params);
15019 }
15020
elink_check_kr2_wa(struct elink_params * params,struct elink_vars * vars,struct elink_phy * phy)15021 static void elink_check_kr2_wa(struct elink_params *params,
15022 struct elink_vars *vars,
15023 struct elink_phy *phy)
15024 {
15025 struct bnx2x_softc *sc = params->sc;
15026 uint16_t base_page, next_page, not_kr2_device, lane;
15027 int sigdet;
15028
15029 /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
15030 * Since some switches tend to reinit the AN process and clear the
15031 * advertised BP/NP after ~2 seconds causing the KR2 to be disabled
15032 * and recovered many times
15033 */
15034 if (vars->check_kr2_recovery_cnt > 0) {
15035 vars->check_kr2_recovery_cnt--;
15036 return;
15037 }
15038
15039 sigdet = elink_warpcore_get_sigdet(phy, params);
15040 if (!sigdet) {
15041 if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
15042 elink_kr2_recovery(params, vars, phy);
15043 ELINK_DEBUG_P0(sc, "No sigdet");
15044 }
15045 return;
15046 }
15047
15048 lane = elink_get_warpcore_lane(phy, params);
15049 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
15050 MDIO_AER_BLOCK_AER_REG, lane);
15051 elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
15052 MDIO_AN_REG_LP_AUTO_NEG, &base_page);
15053 elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
15054 MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
15055 elink_set_aer_mmd(params, phy);
15056
15057 /* CL73 has not begun yet */
15058 if (base_page == 0) {
15059 if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
15060 elink_kr2_recovery(params, vars, phy);
15061 ELINK_DEBUG_P0(sc, "No BP");
15062 }
15063 return;
15064 }
15065
15066 /* In case NP bit is not set in the BasePage, or it is set,
15067 * but only KX is advertised, declare this link partner as non-KR2
15068 * device.
15069 */
15070 not_kr2_device = (((base_page & 0x8000) == 0) ||
15071 (((base_page & 0x8000) &&
15072 ((next_page & 0xe0) == 0x20))));
15073
15074 /* In case KR2 is already disabled, check if we need to re-enable it */
15075 if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
15076 if (!not_kr2_device) {
15077 ELINK_DEBUG_P2(sc, "BP=0x%x, NP=0x%x", base_page,
15078 next_page);
15079 elink_kr2_recovery(params, vars, phy);
15080 }
15081 return;
15082 }
15083 /* KR2 is enabled, but not KR2 device */
15084 if (not_kr2_device) {
15085 /* Disable KR2 on both lanes */
15086 ELINK_DEBUG_P2(sc, "BP=0x%x, NP=0x%x", base_page, next_page);
15087 elink_disable_kr2(params, vars, phy);
15088 /* Restart AN on leading lane */
15089 elink_warpcore_restart_AN_KR(phy, params);
15090 return;
15091 }
15092 }
15093
elink_period_func(struct elink_params * params,struct elink_vars * vars)15094 void elink_period_func(struct elink_params *params, struct elink_vars *vars)
15095 {
15096 uint16_t phy_idx;
15097 struct bnx2x_softc *sc = params->sc;
15098 for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
15099 if (params->phy[phy_idx].flags & ELINK_FLAGS_TX_ERROR_CHECK) {
15100 elink_set_aer_mmd(params, ¶ms->phy[phy_idx]);
15101 if (elink_check_half_open_conn(params, vars, 1) !=
15102 ELINK_STATUS_OK)
15103 ELINK_DEBUG_P0(sc, "Fault detection failed");
15104 break;
15105 }
15106 }
15107
15108 if (CHIP_IS_E3(sc)) {
15109 struct elink_phy *phy = ¶ms->phy[ELINK_INT_PHY];
15110 elink_set_aer_mmd(params, phy);
15111 if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
15112 (phy->speed_cap_mask &
15113 PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
15114 (phy->req_line_speed == ELINK_SPEED_20000))
15115 elink_check_kr2_wa(params, vars, phy);
15116 elink_check_over_curr(params, vars);
15117 if (vars->rx_tx_asic_rst)
15118 elink_warpcore_config_runtime(phy, params, vars);
15119
15120 if ((REG_RD(sc, params->shmem_base +
15121 offsetof(struct shmem_region, dev_info.
15122 port_hw_config[params->port].default_cfg))
15123 & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
15124 PORT_HW_CFG_NET_SERDES_IF_SFI) {
15125 if (elink_is_sfp_module_plugged(phy, params)) {
15126 elink_sfp_tx_fault_detection(phy, params, vars);
15127 } else if (vars->link_status &
15128 LINK_STATUS_SFP_TX_FAULT) {
15129 /* Clean trail, interrupt corrects the leds */
15130 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
15131 vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
15132 /* Update link status in the shared memory */
15133 elink_update_mng(params, vars->link_status);
15134 }
15135 }
15136 }
15137 }
15138
elink_fan_failure_det_req(struct bnx2x_softc * sc,uint32_t shmem_base,uint32_t shmem2_base,uint8_t port)15139 uint8_t elink_fan_failure_det_req(struct bnx2x_softc *sc,
15140 uint32_t shmem_base,
15141 uint32_t shmem2_base,
15142 uint8_t port)
15143 {
15144 uint8_t phy_index, fan_failure_det_req = 0;
15145 struct elink_phy phy;
15146 for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS;
15147 phy_index++) {
15148 if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base,
15149 port, &phy)
15150 != ELINK_STATUS_OK) {
15151 ELINK_DEBUG_P0(sc, "populate phy failed");
15152 return 0;
15153 }
15154 fan_failure_det_req |= (phy.flags &
15155 ELINK_FLAGS_FAN_FAILURE_DET_REQ);
15156 }
15157 return fan_failure_det_req;
15158 }
15159
elink_hw_reset_phy(struct elink_params * params)15160 void elink_hw_reset_phy(struct elink_params *params)
15161 {
15162 uint8_t phy_index;
15163 struct bnx2x_softc *sc = params->sc;
15164 elink_update_mng(params, 0);
15165 elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 + params->port * 4,
15166 (ELINK_NIG_MASK_XGXS0_LINK_STATUS |
15167 ELINK_NIG_MASK_XGXS0_LINK10G |
15168 ELINK_NIG_MASK_SERDES0_LINK_STATUS |
15169 ELINK_NIG_MASK_MI_INT));
15170
15171 for (phy_index = ELINK_INT_PHY; phy_index < ELINK_MAX_PHYS;
15172 phy_index++) {
15173 if (params->phy[phy_index].hw_reset) {
15174 params->phy[phy_index].hw_reset(
15175 ¶ms->phy[phy_index],
15176 params);
15177 params->phy[phy_index] = phy_null;
15178 }
15179 }
15180 }
15181
elink_init_mod_abs_int(struct bnx2x_softc * sc,struct elink_vars * vars,uint32_t chip_id,uint32_t shmem_base,uint32_t shmem2_base,uint8_t port)15182 void elink_init_mod_abs_int(struct bnx2x_softc *sc, struct elink_vars *vars,
15183 uint32_t chip_id, uint32_t shmem_base,
15184 uint32_t shmem2_base,
15185 uint8_t port)
15186 {
15187 uint8_t gpio_num = 0xff, gpio_port = 0xff, phy_index;
15188 uint32_t val;
15189 uint32_t offset, aeu_mask, swap_val, swap_override, sync_offset;
15190 if (CHIP_IS_E3(sc)) {
15191 if (elink_get_mod_abs_int_cfg(sc, chip_id,
15192 shmem_base,
15193 port,
15194 &gpio_num,
15195 &gpio_port) != ELINK_STATUS_OK)
15196 return;
15197 } else {
15198 struct elink_phy phy;
15199 for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS;
15200 phy_index++) {
15201 if (elink_populate_phy(sc, phy_index, shmem_base,
15202 shmem2_base, port, &phy)
15203 != ELINK_STATUS_OK) {
15204 ELINK_DEBUG_P0(sc, "populate phy failed");
15205 return;
15206 }
15207 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BNX2X8726) {
15208 gpio_num = MISC_REGISTERS_GPIO_3;
15209 gpio_port = port;
15210 break;
15211 }
15212 }
15213 }
15214
15215 if (gpio_num == 0xff)
15216 return;
15217
15218 /* Set GPIO3 to trigger SFP+ module insertion/removal */
15219 elink_cb_gpio_write(sc, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z,
15220 gpio_port);
15221
15222 swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
15223 swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
15224 gpio_port ^= (swap_val && swap_override);
15225
15226 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
15227 (gpio_num + (gpio_port << 2));
15228
15229 sync_offset = shmem_base +
15230 offsetof(struct shmem_region,
15231 dev_info.port_hw_config[port].aeu_int_mask);
15232 REG_WR(sc, sync_offset, vars->aeu_int_mask);
15233
15234 ELINK_DEBUG_P3(sc, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x",
15235 gpio_num, gpio_port, vars->aeu_int_mask);
15236
15237 if (port == 0)
15238 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
15239 else
15240 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
15241
15242 /* Open appropriate AEU for interrupts */
15243 aeu_mask = REG_RD(sc, offset);
15244 aeu_mask |= vars->aeu_int_mask;
15245 REG_WR(sc, offset, aeu_mask);
15246
15247 /* Enable the GPIO to trigger interrupt */
15248 val = REG_RD(sc, MISC_REG_GPIO_EVENT_EN);
15249 val |= 1 << (gpio_num + (gpio_port << 2));
15250 REG_WR(sc, MISC_REG_GPIO_EVENT_EN, val);
15251 }
15252