xref: /netbsd-src/sys/arch/arm/ti/if_cpswreg.h (revision c8d981e82512cee49d61a339611cad029bb80e7a)
1 /*-
2  * Copyright (c) 2012 Damjan Marion <dmarion@Freebsd.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef	_IF_CPSWREG_H
30 #define	_IF_CPSWREG_H
31 
32 #define CPSW_ETH_PORTS			2
33 #define CPSW_CPPI_PORTS			1
34 
35 #define CPSW_SS_OFFSET			0x0000
36 #define CPSW_SS_IDVER			(CPSW_SS_OFFSET + 0x00)
37 #define CPSW_SS_SOFT_RESET		(CPSW_SS_OFFSET + 0x08)
38 #define CPSW_SS_STAT_PORT_EN		(CPSW_SS_OFFSET + 0x0C)
39 #define CPSW_SS_PTYPE			(CPSW_SS_OFFSET + 0x10)
40 #define CPSW_SS_FLOW_CONTROL		(CPSW_SS_OFFSET + 0x24)
41 #define CPSW_SS_RGMII_CTL		(CPSW_SS_OFFSET + 0x88)
42 
43 #define CPSW_PORT_OFFSET		0x0100
44 #define CPSW_PORT_P_TX_PRI_MAP(p)	(CPSW_PORT_OFFSET + 0x118 + ((p-1) * 0x100))
45 #define CPSW_PORT_P0_CPDMA_TX_PRI_MAP	(CPSW_PORT_OFFSET + 0x01C)
46 #define CPSW_PORT_P0_CPDMA_RX_CH_MAP	(CPSW_PORT_OFFSET + 0x020)
47 #define CPSW_PORT_P_SA_LO(p)		(CPSW_PORT_OFFSET + 0x120 + ((p-1) * 0x100))
48 #define CPSW_PORT_P_SA_HI(p)		(CPSW_PORT_OFFSET + 0x124 + ((p-1) * 0x100))
49 
50 #define CPSW_GMII_SEL			0x0650
51 
52 #define CPSW_CPDMA_OFFSET		0x0800
53 #define CPSW_CPDMA_TX_CONTROL		(CPSW_CPDMA_OFFSET + 0x04)
54 #define CPSW_CPDMA_TX_TEARDOWN		(CPSW_CPDMA_OFFSET + 0x08)
55 #define CPSW_CPDMA_RX_CONTROL		(CPSW_CPDMA_OFFSET + 0x14)
56 #define CPSW_CPDMA_RX_TEARDOWN		(CPSW_CPDMA_OFFSET + 0x18)
57 #define CPSW_CPDMA_SOFT_RESET		(CPSW_CPDMA_OFFSET + 0x1c)
58 #define CPSW_CPDMA_DMACONTROL		(CPSW_CPDMA_OFFSET + 0x20)
59 #define CPSW_CPDMA_DMASTATUS		(CPSW_CPDMA_OFFSET + 0x24)
60 #define CPSW_CPDMA_RX_BUFFER_OFFSET	(CPSW_CPDMA_OFFSET + 0x28)
61 #define CPSW_CPDMA_TX_INTSTAT_RAW	(CPSW_CPDMA_OFFSET + 0x80)
62 #define CPSW_CPDMA_TX_INTSTAT_MASKED	(CPSW_CPDMA_OFFSET + 0x84)
63 #define CPSW_CPDMA_TX_INTMASK_SET	(CPSW_CPDMA_OFFSET + 0x88)
64 #define CPSW_CPDMA_TX_INTMASK_CLEAR	(CPSW_CPDMA_OFFSET + 0x8C)
65 #define CPSW_CPDMA_CPDMA_EOI_VECTOR	(CPSW_CPDMA_OFFSET + 0x94)
66 #define CPSW_CPDMA_RX_INTSTAT_RAW	(CPSW_CPDMA_OFFSET + 0xA0)
67 #define CPSW_CPDMA_RX_INTSTAT_MASKED	(CPSW_CPDMA_OFFSET + 0xA4)
68 #define CPSW_CPDMA_RX_INTMASK_SET	(CPSW_CPDMA_OFFSET + 0xA8)
69 #define CPSW_CPDMA_RX_INTMASK_CLEAR	(CPSW_CPDMA_OFFSET + 0xAc)
70 #define CPSW_CPDMA_DMA_INTSTAT_RAW	(CPSW_CPDMA_OFFSET + 0xB0)
71 #define CPSW_CPDMA_DMA_INTSTAT_MASKED	(CPSW_CPDMA_OFFSET + 0xB4)
72 #define CPSW_CPDMA_DMA_INTMASK_SET	(CPSW_CPDMA_OFFSET + 0xB8)
73 #define CPSW_CPDMA_DMA_INTMASK_CLEAR	(CPSW_CPDMA_OFFSET + 0xBC)
74 #define CPSW_CPDMA_RX_FREEBUFFER(p)	(CPSW_CPDMA_OFFSET + 0x0e0 + ((p) * 0x04))
75 
76 #define CPSW_STATS_OFFSET		0x0900
77 
78 #define CPSW_STATERAM_OFFSET		0x0A00
79 #define CPSW_CPDMA_TX_HDP(p)		(CPSW_STATERAM_OFFSET + 0x00 + ((p) * 0x04))
80 #define CPSW_CPDMA_RX_HDP(p)		(CPSW_STATERAM_OFFSET + 0x20 + ((p) * 0x04))
81 #define CPSW_CPDMA_TX_CP(p)		(CPSW_STATERAM_OFFSET + 0x40 + ((p) * 0x04))
82 #define CPSW_CPDMA_RX_CP(p)		(CPSW_STATERAM_OFFSET + 0x60 + ((p) * 0x04))
83 
84 #define CPSW_CPTS_OFFSET		0x0C00
85 
86 #define CPSW_ALE_OFFSET			0x0D00
87 #define CPSW_ALE_CONTROL		(CPSW_ALE_OFFSET + 0x08)
88 #define CPSW_ALE_TBLCTL			(CPSW_ALE_OFFSET + 0x20)
89 #define CPSW_ALE_TBLW2			(CPSW_ALE_OFFSET + 0x34)
90 #define CPSW_ALE_TBLW1			(CPSW_ALE_OFFSET + 0x38)
91 #define CPSW_ALE_TBLW0			(CPSW_ALE_OFFSET + 0x3C)
92 #define CPSW_ALE_PORTCTL(p)		(CPSW_ALE_OFFSET + 0x40 + ((p) * 0x04))
93 
94 #define CPSW_SL_OFFSET			0x0D80
95 #define CPSW_SL_IDVER(p)		(CPSW_SL_OFFSET + (0x40 * (p)) + 0x00)
96 #define CPSW_SL_MACCONTROL(p)		(CPSW_SL_OFFSET + (0x40 * (p)) + 0x04)
97 #define CPSW_SL_MACSTATUS(p)		(CPSW_SL_OFFSET + (0x40 * (p)) + 0x08)
98 #define CPSW_SL_SOFT_RESET(p)		(CPSW_SL_OFFSET + (0x40 * (p)) + 0x0C)
99 #define CPSW_SL_RX_MAXLEN(p)		(CPSW_SL_OFFSET + (0x40 * (p)) + 0x10)
100 #define CPSW_SL_BOFFTEST(p)		(CPSW_SL_OFFSET + (0x40 * (p)) + 0x14)
101 #define CPSW_SL_RX_PAUSE(p)		(CPSW_SL_OFFSET + (0x40 * (p)) + 0x18)
102 #define CPSW_SL_TX_PAUSE(p)		(CPSW_SL_OFFSET + (0x40 * (p)) + 0x1C)
103 #define CPSW_SL_EMCONTROL(p)		(CPSW_SL_OFFSET + (0x40 * (p)) + 0x20)
104 #define CPSW_SL_RX_PRI_MAP(p)		(CPSW_SL_OFFSET + (0x40 * (p)) + 0x24)
105 #define CPSW_SL_TX_GAP(p)		(CPSW_SL_OFFSET + (0x40 * (p)) + 0x28)
106 
107 #define MDIO_OFFSET			0x1000
108 #define MDIOCONTROL			(MDIO_OFFSET + 0x04)
109 #define MDIOUSERACCESS0			(MDIO_OFFSET + 0x80)
110 #define MDIOUSERPHYSEL0			(MDIO_OFFSET + 0x84)
111 
112 #define CPSW_WR_OFFSET			0x1200
113 #define CPSW_WR_SOFT_RESET		(CPSW_WR_OFFSET + 0x04)
114 #define CPSW_WR_CONTROL			(CPSW_WR_OFFSET + 0x08)
115 #define CPSW_WR_INT_CONTROL		(CPSW_WR_OFFSET + 0x0c)
116 #define CPSW_WR_C_RX_THRESH_EN(p)	(CPSW_WR_OFFSET + (0x10 * (p)) + 0x10)
117 #define CPSW_WR_C_RX_EN(p)		(CPSW_WR_OFFSET + (0x10 * (p)) + 0x14)
118 #define CPSW_WR_C_TX_EN(p)		(CPSW_WR_OFFSET + (0x10 * (p)) + 0x18)
119 #define CPSW_WR_C_MISC_EN(p)		(CPSW_WR_OFFSET + (0x10 * (p)) + 0x1C)
120 #define CPSW_WR_C_RX_THRESH_STAT(p)	(CPSW_WR_OFFSET + (0x10 * (p)) + 0x40)
121 #define CPSW_WR_C_RX_STAT(p)		(CPSW_WR_OFFSET + (0x10 * (p)) + 0x44)
122 #define CPSW_WR_C_TX_STAT(p)		(CPSW_WR_OFFSET + (0x10 * (p)) + 0x48)
123 #define CPSW_WR_C_MISC_STAT(p)		(CPSW_WR_OFFSET + (0x10 * (p)) + 0x4C)
124 
125 #define CPSW_CPPI_RAM_OFFSET		0x2000
126 
127 
128 #define __BIT32(x) ((uint32_t)__BIT(x))
129 #define __BITS32(x, y) ((uint32_t)__BITS((x), (y)))
130 
131 /* flags for descriptor word 3 */
132 #define CPDMA_BD_SOP		__BIT32(31)
133 #define CPDMA_BD_EOP		__BIT32(30)
134 #define CPDMA_BD_OWNER		__BIT32(29)
135 #define CPDMA_BD_EOQ		__BIT32(28)
136 #define CPDMA_BD_TDOWNCMPLT	__BIT32(27)
137 #define CPDMA_BD_PASSCRC	__BIT32(26)
138 
139 #define CPDMA_BD_LONG		__BIT32(25) /* Rx descriptor only */
140 #define CPDMA_BD_SHORT		__BIT32(24)
141 #define CPDMA_BD_MAC_CTL	__BIT32(23)
142 #define CPDMA_BD_OVERRUN	__BIT32(22)
143 #define CPDMA_BD_PKT_ERR_MASK	__BITS32(21,20)
144 #define CPDMA_BD_RX_VLAN_ENCAP	__BIT32(19)
145 #define CPDMA_BD_FROM_PORT	__BITS32(18,16)
146 
147 #define CPDMA_BD_TO_PORT_EN	__BIT32(20) /* Tx descriptor only */
148 #define CPDMA_BD_TO_PORT	__BITS32(17,16)
149 
150 struct cpsw_cpdma_bd {
151 	uint32_t word[4];
152 } __packed __aligned(4);
153 
154 /* Interrupt offsets */
155 #define CPSW_INTROFF_RXTH	0
156 #define CPSW_INTROFF_RX		1
157 #define CPSW_INTROFF_TX		2
158 #define CPSW_INTROFF_MISC	3
159 
160 /* MDIOCONTROL Register Field */
161 #define MDIOCTL_IDLE		__BIT32(31)
162 #define MDIOCTL_ENABLE		__BIT32(30)
163 #define MDIOCTL_HIGHEST_USER_CHANNEL(val)	((0xf & (val)) << 24)
164 #define MDIOCTL_PREAMBLE	__BIT32(20)
165 #define MDIOCTL_FAULT		__BIT32(19)
166 #define MDIOCTL_FAULTENB	__BIT32(18)
167 #define MDIOCTL_INTTESTENB	__BIT32(17)
168 #define MDIOCTL_CLKDIV(val)	(0xff & (val))
169 
170 /* ALE Control Register Field */
171 #define ALECTL_ENABLE_ALE	__BIT32(31)
172 #define ALECTL_CLEAR_TABLE	__BIT32(30)
173 #define ALECTL_AGE_OUT_NOW	__BIT32(29)
174 #define ALECTL_EN_P0_UNI_FLOOD	__BIT32(8)
175 #define ALECTL_LEARN_NO_VID	__BIT32(7)
176 #define ALECTL_EN_VID0_MODE	__BIT32(6)
177 #define ALECTL_ENABLE_OUI_DENY	__BIT32(5)
178 #define ALECTL_BYPASS		__BIT32(4)
179 #define ALECTL_RATE_LIMIT_TX	__BIT32(3)
180 #define ALECTL_VLAN_AWARE	__BIT32(2)
181 #define ALECTL_ENABLE_AUTH_MODE	__BIT32(1)
182 #define ALECTL_ENABLE_RATE_LIMIT	__BIT32(0)
183 
184 /* GMII_SEL Register Field */
185 #define GMIISEL_RMII2_IO_CLK_EN	__BIT32(7)
186 #define GMIISEL_RMII1_IO_CLK_EN	__BIT32(6)
187 #define GMIISEL_RGMII2_IDMODE	__BIT32(5)
188 #define GMIISEL_RGMII1_IDMODE	__BIT32(4)
189 #define GMIISEL_GMII2_SEL(val)	((0x3 & (val)) << 2)
190 #define GMIISEL_GMII1_SEL(val)	((0x3 & (val)) << 0)
191 #define GMII_MODE	0
192 #define RMII_MODE	1
193 #define RGMII_MODE	2
194 
195 /* Sliver MACCONTROL Register Field */
196 #define SLMACCTL_RX_CMF_EN	__BIT32(24)
197 #define SLMACCTL_RX_CSF_EN	__BIT32(23)
198 #define SLMACCTL_RX_CEF_EN	__BIT32(22)
199 #define SLMACCTL_TX_SHORT_GAP_LIM_EN	__BIT32(21)
200 #define SLMACCTL_EXT_EN		__BIT32(18)
201 #define SLMACCTL_GIG_FORCE	__BIT32(17)
202 #define SLMACCTL_IFCTL_B	__BIT32(16)
203 #define SLMACCTL_IFCTL_A	__BIT32(15)
204 #define SLMACCTL_CMD_IDLE	__BIT32(11)
205 #define SLMACCTL_TX_SHORT_GAP_EN	__BIT32(10)
206 #define SLMACCTL_GIG		__BIT32(7)
207 #define SLMACCTL_TX_PACE	__BIT32(6)
208 #define SLMACCTL_GMII_EN	__BIT32(5)
209 #define SLMACCTL_TX_FLOW_EN	__BIT32(4)
210 #define SLMACCTL_RX_FLOW_EN	__BIT32(3)
211 #define SLMACCTL_MTEST		__BIT32(2)
212 #define SLMACCTL_LOOPBACK	__BIT32(1)
213 #define SLMACCTL_FULLDUPLEX	__BIT32(0)
214 
215 /* ALE Address Table Entry Field */
216 typedef enum {
217 	ALE_ENTRY_TYPE,
218 	ALE_MCAST_FWD_STATE,
219 	ALE_PORT_MASK,
220 	ALE_PORT_NUMBER,
221 } ale_entry_field_t;
222 
223 #define ALE_TYPE_FREE		0
224 #define ALE_TYPE_ADDRESS	1
225 #define ALE_TYPE_VLAN		2
226 #define ALE_TYPE_VLAN_ADDRESS	3
227 
228 /*
229  * The port state(s) required for the received port on a destination address lookup
230  * in order for the multicast packet to be forwarded to the transmit port(s)
231  */
232 #define ALE_FWSTATE_ALL		1	/* Blocking/Forwarding/Learning */
233 #define ALE_FWSTATE_NOBLOCK	2	/* Forwarding/Learning */
234 #define ALE_FWSTATE_FWONLY	3	/* Forwarding */
235 
236 #define ALE_PORT_MASK_ALL	7
237 
238 #endif /*_IF_CPSWREG_H */
239