xref: /openbmc/linux/include/linux/brcmphy.h (revision a72594ca)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_BRCMPHY_H
3 #define _LINUX_BRCMPHY_H
4 
5 #include <linux/phy.h>
6 
7 /* All Broadcom Ethernet switches have a pseudo-PHY at address 30 which is used
8  * to configure the switch internal registers via MDIO accesses.
9  */
10 #define BRCM_PSEUDO_PHY_ADDR           30
11 
12 #define PHY_ID_BCM50610			0x0143bd60
13 #define PHY_ID_BCM50610M		0x0143bd70
14 #define PHY_ID_BCM5241			0x0143bc30
15 #define PHY_ID_BCMAC131			0x0143bc70
16 #define PHY_ID_BCM5481			0x0143bca0
17 #define PHY_ID_BCM54810			0x03625d00
18 #define PHY_ID_BCM5482			0x0143bcb0
19 #define PHY_ID_BCM5411			0x00206070
20 #define PHY_ID_BCM5421			0x002060e0
21 #define PHY_ID_BCM54210E		0x600d84a0
22 #define PHY_ID_BCM5464			0x002060b0
23 #define PHY_ID_BCM5461			0x002060c0
24 #define PHY_ID_BCM54612E		0x03625e60
25 #define PHY_ID_BCM54616S		0x03625d10
26 #define PHY_ID_BCM57780			0x03625d90
27 
28 #define PHY_ID_BCM7250			0xae025280
29 #define PHY_ID_BCM7260			0xae025190
30 #define PHY_ID_BCM7268			0xae025090
31 #define PHY_ID_BCM7271			0xae0253b0
32 #define PHY_ID_BCM7278			0xae0251a0
33 #define PHY_ID_BCM7364			0xae025260
34 #define PHY_ID_BCM7366			0x600d8490
35 #define PHY_ID_BCM7346			0x600d8650
36 #define PHY_ID_BCM7362			0x600d84b0
37 #define PHY_ID_BCM7425			0x600d86b0
38 #define PHY_ID_BCM7429			0x600d8730
39 #define PHY_ID_BCM7435			0x600d8750
40 #define PHY_ID_BCM74371			0xae0252e0
41 #define PHY_ID_BCM7439			0x600d8480
42 #define PHY_ID_BCM7439_2		0xae025080
43 #define PHY_ID_BCM7445			0x600d8510
44 
45 #define PHY_ID_BCM_CYGNUS		0xae025200
46 
47 #define PHY_BCM_OUI_MASK		0xfffffc00
48 #define PHY_BCM_OUI_1			0x00206000
49 #define PHY_BCM_OUI_2			0x0143bc00
50 #define PHY_BCM_OUI_3			0x03625c00
51 #define PHY_BCM_OUI_4			0x600d8400
52 #define PHY_BCM_OUI_5			0x03625e00
53 #define PHY_BCM_OUI_6			0xae025000
54 
55 #define PHY_BCM_FLAGS_MODE_COPPER	0x00000001
56 #define PHY_BCM_FLAGS_MODE_1000BX	0x00000002
57 #define PHY_BCM_FLAGS_INTF_SGMII	0x00000010
58 #define PHY_BCM_FLAGS_INTF_XAUI		0x00000020
59 #define PHY_BRCM_WIRESPEED_ENABLE	0x00000100
60 #define PHY_BRCM_AUTO_PWRDWN_ENABLE	0x00000200
61 #define PHY_BRCM_RX_REFCLK_UNUSED	0x00000400
62 #define PHY_BRCM_STD_IBND_DISABLE	0x00000800
63 #define PHY_BRCM_EXT_IBND_RX_ENABLE	0x00001000
64 #define PHY_BRCM_EXT_IBND_TX_ENABLE	0x00002000
65 #define PHY_BRCM_CLEAR_RGMII_MODE	0x00004000
66 #define PHY_BRCM_DIS_TXCRXC_NOENRGY	0x00008000
67 #define PHY_BRCM_EN_MASTER_MODE		0x00010000
68 
69 /* Broadcom BCM7xxx specific workarounds */
70 #define PHY_BRCM_7XXX_REV(x)		(((x) >> 8) & 0xff)
71 #define PHY_BRCM_7XXX_PATCH(x)		((x) & 0xff)
72 #define PHY_BCM_FLAGS_VALID		0x80000000
73 
74 /* Broadcom BCM54XX register definitions, common to most Broadcom PHYs */
75 #define MII_BCM54XX_ECR		0x10	/* BCM54xx extended control register */
76 #define MII_BCM54XX_ECR_IM	0x1000	/* Interrupt mask */
77 #define MII_BCM54XX_ECR_IF	0x0800	/* Interrupt force */
78 
79 #define MII_BCM54XX_ESR		0x11	/* BCM54xx extended status register */
80 #define MII_BCM54XX_ESR_IS	0x1000	/* Interrupt status */
81 
82 #define MII_BCM54XX_EXP_DATA	0x15	/* Expansion register data */
83 #define MII_BCM54XX_EXP_SEL	0x17	/* Expansion register select */
84 #define MII_BCM54XX_EXP_SEL_SSD	0x0e00	/* Secondary SerDes select */
85 #define MII_BCM54XX_EXP_SEL_ER	0x0f00	/* Expansion register select */
86 
87 #define MII_BCM54XX_AUX_CTL	0x18	/* Auxiliary control register */
88 #define MII_BCM54XX_ISR		0x1a	/* BCM54xx interrupt status register */
89 #define MII_BCM54XX_IMR		0x1b	/* BCM54xx interrupt mask register */
90 #define MII_BCM54XX_INT_CRCERR	0x0001	/* CRC error */
91 #define MII_BCM54XX_INT_LINK	0x0002	/* Link status changed */
92 #define MII_BCM54XX_INT_SPEED	0x0004	/* Link speed change */
93 #define MII_BCM54XX_INT_DUPLEX	0x0008	/* Duplex mode changed */
94 #define MII_BCM54XX_INT_LRS	0x0010	/* Local receiver status changed */
95 #define MII_BCM54XX_INT_RRS	0x0020	/* Remote receiver status changed */
96 #define MII_BCM54XX_INT_SSERR	0x0040	/* Scrambler synchronization error */
97 #define MII_BCM54XX_INT_UHCD	0x0080	/* Unsupported HCD negotiated */
98 #define MII_BCM54XX_INT_NHCD	0x0100	/* No HCD */
99 #define MII_BCM54XX_INT_NHCDL	0x0200	/* No HCD link */
100 #define MII_BCM54XX_INT_ANPR	0x0400	/* Auto-negotiation page received */
101 #define MII_BCM54XX_INT_LC	0x0800	/* All counters below 128 */
102 #define MII_BCM54XX_INT_HC	0x1000	/* Counter above 32768 */
103 #define MII_BCM54XX_INT_MDIX	0x2000	/* MDIX status change */
104 #define MII_BCM54XX_INT_PSERR	0x4000	/* Pair swap error */
105 
106 #define MII_BCM54XX_SHD		0x1c	/* 0x1c shadow registers */
107 #define MII_BCM54XX_SHD_WRITE	0x8000
108 #define MII_BCM54XX_SHD_VAL(x)	((x & 0x1f) << 10)
109 #define MII_BCM54XX_SHD_DATA(x)	((x & 0x3ff) << 0)
110 
111 /*
112  * AUXILIARY CONTROL SHADOW ACCESS REGISTERS.  (PHY REG 0x18)
113  */
114 #define MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL	0x00
115 #define MII_BCM54XX_AUXCTL_ACTL_TX_6DB		0x0400
116 #define MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA	0x0800
117 
118 #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC			0x07
119 #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_WIRESPEED_EN	0x0010
120 #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN	0x0100
121 #define MII_BCM54XX_AUXCTL_MISC_FORCE_AMDIX		0x0200
122 #define MII_BCM54XX_AUXCTL_MISC_WREN			0x8000
123 
124 #define MII_BCM54XX_AUXCTL_SHDWSEL_READ_SHIFT	12
125 #define MII_BCM54XX_AUXCTL_SHDWSEL_MASK	0x0007
126 
127 /*
128  * Broadcom LED source encodings.  These are used in BCM5461, BCM5481,
129  * BCM5482, and possibly some others.
130  */
131 #define BCM_LED_SRC_LINKSPD1	0x0
132 #define BCM_LED_SRC_LINKSPD2	0x1
133 #define BCM_LED_SRC_XMITLED	0x2
134 #define BCM_LED_SRC_ACTIVITYLED	0x3
135 #define BCM_LED_SRC_FDXLED	0x4
136 #define BCM_LED_SRC_SLAVE	0x5
137 #define BCM_LED_SRC_INTR	0x6
138 #define BCM_LED_SRC_QUALITY	0x7
139 #define BCM_LED_SRC_RCVLED	0x8
140 #define BCM_LED_SRC_WIRESPEED	0x9
141 #define BCM_LED_SRC_MULTICOLOR1	0xa
142 #define BCM_LED_SRC_OPENSHORT	0xb
143 #define BCM_LED_SRC_OFF		0xe	/* Tied high */
144 #define BCM_LED_SRC_ON		0xf	/* Tied low */
145 
146 
147 /*
148  * BCM5482: Shadow registers
149  * Shadow values go into bits [14:10] of register 0x1c to select a shadow
150  * register to access.
151  */
152 
153 /* 00100: Reserved control register 2 */
154 #define BCM54XX_SHD_SCR2		0x04
155 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_DIS	0x100
156 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_SHIFT	2
157 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_OFFSET	2
158 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_MASK	0x7
159 
160 /* 00101: Spare Control Register 3 */
161 #define BCM54XX_SHD_SCR3		0x05
162 #define  BCM54XX_SHD_SCR3_DEF_CLK125	0x0001
163 #define  BCM54XX_SHD_SCR3_DLLAPD_DIS	0x0002
164 #define  BCM54XX_SHD_SCR3_TRDDAPD	0x0004
165 
166 /* 01010: Auto Power-Down */
167 #define BCM54XX_SHD_APD			0x0a
168 #define  BCM_APD_CLR_MASK		0xFE9F /* clear bits 5, 6 & 8 */
169 #define  BCM54XX_SHD_APD_EN		0x0020
170 #define  BCM_NO_ANEG_APD_EN		0x0060 /* bits 5 & 6 */
171 #define  BCM_APD_SINGLELP_EN	0x0100 /* Bit 8 */
172 
173 #define BCM5482_SHD_LEDS1	0x0d	/* 01101: LED Selector 1 */
174 					/* LED3 / ~LINKSPD[2] selector */
175 #define BCM5482_SHD_LEDS1_LED3(src)	((src & 0xf) << 4)
176 					/* LED1 / ~LINKSPD[1] selector */
177 #define BCM5482_SHD_LEDS1_LED1(src)	((src & 0xf) << 0)
178 #define BCM54XX_SHD_RGMII_MODE	0x0b	/* 01011: RGMII Mode Selector */
179 #define BCM5482_SHD_SSD		0x14	/* 10100: Secondary SerDes control */
180 #define BCM5482_SHD_SSD_LEDM	0x0008	/* SSD LED Mode enable */
181 #define BCM5482_SHD_SSD_EN	0x0001	/* SSD enable */
182 #define BCM5482_SHD_MODE	0x1f	/* 11111: Mode Control Register */
183 #define BCM5482_SHD_MODE_1000BX	0x0001	/* Enable 1000BASE-X registers */
184 
185 
186 /*
187  * EXPANSION SHADOW ACCESS REGISTERS.  (PHY REG 0x15, 0x16, and 0x17)
188  */
189 #define MII_BCM54XX_EXP_AADJ1CH0		0x001f
190 #define  MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN	0x0200
191 #define  MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF	0x0100
192 #define MII_BCM54XX_EXP_AADJ1CH3		0x601f
193 #define  MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ	0x0002
194 #define MII_BCM54XX_EXP_EXP08			0x0F08
195 #define  MII_BCM54XX_EXP_EXP08_RJCT_2MHZ	0x0001
196 #define  MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE	0x0200
197 #define MII_BCM54XX_EXP_EXP75			0x0f75
198 #define  MII_BCM54XX_EXP_EXP75_VDACCTRL		0x003c
199 #define  MII_BCM54XX_EXP_EXP75_CM_OSC		0x0001
200 #define MII_BCM54XX_EXP_EXP96			0x0f96
201 #define  MII_BCM54XX_EXP_EXP96_MYST		0x0010
202 #define MII_BCM54XX_EXP_EXP97			0x0f97
203 #define  MII_BCM54XX_EXP_EXP97_MYST		0x0c0c
204 
205 /*
206  * BCM5482: Secondary SerDes registers
207  */
208 #define BCM5482_SSD_1000BX_CTL		0x00	/* 1000BASE-X Control */
209 #define BCM5482_SSD_1000BX_CTL_PWRDOWN	0x0800	/* Power-down SSD */
210 #define BCM5482_SSD_SGMII_SLAVE		0x15	/* SGMII Slave Register */
211 #define BCM5482_SSD_SGMII_SLAVE_EN	0x0002	/* Slave mode enable */
212 #define BCM5482_SSD_SGMII_SLAVE_AD	0x0001	/* Slave auto-detection */
213 
214 /* BCM54810 Registers */
215 #define BCM54810_EXP_BROADREACH_LRE_MISC_CTL	(MII_BCM54XX_EXP_SEL_ER + 0x90)
216 #define BCM54810_EXP_BROADREACH_LRE_MISC_CTL_EN	(1 << 0)
217 #define BCM54810_SHD_CLK_CTL			0x3
218 #define BCM54810_SHD_CLK_CTL_GTXCLK_EN		(1 << 9)
219 
220 
221 /*****************************************************************************/
222 /* Fast Ethernet Transceiver definitions. */
223 /*****************************************************************************/
224 
225 #define MII_BRCM_FET_INTREG		0x1a	/* Interrupt register */
226 #define MII_BRCM_FET_IR_MASK		0x0100	/* Mask all interrupts */
227 #define MII_BRCM_FET_IR_LINK_EN		0x0200	/* Link status change enable */
228 #define MII_BRCM_FET_IR_SPEED_EN	0x0400	/* Link speed change enable */
229 #define MII_BRCM_FET_IR_DUPLEX_EN	0x0800	/* Duplex mode change enable */
230 #define MII_BRCM_FET_IR_ENABLE		0x4000	/* Interrupt enable */
231 
232 #define MII_BRCM_FET_BRCMTEST		0x1f	/* Brcm test register */
233 #define MII_BRCM_FET_BT_SRE		0x0080	/* Shadow register enable */
234 
235 
236 /*** Shadow register definitions ***/
237 
238 #define MII_BRCM_FET_SHDW_MISCCTRL	0x10	/* Shadow misc ctrl */
239 #define MII_BRCM_FET_SHDW_MC_FAME	0x4000	/* Force Auto MDIX enable */
240 
241 #define MII_BRCM_FET_SHDW_AUXMODE4	0x1a	/* Auxiliary mode 4 */
242 #define MII_BRCM_FET_SHDW_AM4_LED_MASK	0x0003
243 #define MII_BRCM_FET_SHDW_AM4_LED_MODE1 0x0001
244 
245 #define MII_BRCM_FET_SHDW_AUXSTAT2	0x1b	/* Auxiliary status 2 */
246 #define MII_BRCM_FET_SHDW_AS2_APDE	0x0020	/* Auto power down enable */
247 
248 #define BRCM_CL45VEN_EEE_CONTROL	0x803d
249 #define LPI_FEATURE_EN			0x8000
250 #define LPI_FEATURE_EN_DIG1000X		0x4000
251 
252 /* Core register definitions*/
253 #define MII_BRCM_CORE_BASE12	0x12
254 #define MII_BRCM_CORE_BASE13	0x13
255 #define MII_BRCM_CORE_BASE14	0x14
256 #define MII_BRCM_CORE_BASE1E	0x1E
257 #define MII_BRCM_CORE_EXPB0	0xB0
258 #define MII_BRCM_CORE_EXPB1	0xB1
259 
260 #endif /* _LINUX_BRCMPHY_H */
261