xref: /linux-6.15/include/linux/brcmphy.h (revision d3f1cbd2)
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_BCM5395			0x0143bcf0
18 #define PHY_ID_BCM53125			0x03625f20
19 #define PHY_ID_BCM54810			0x03625d00
20 #define PHY_ID_BCM5482			0x0143bcb0
21 #define PHY_ID_BCM5411			0x00206070
22 #define PHY_ID_BCM5421			0x002060e0
23 #define PHY_ID_BCM54210E		0x600d84a0
24 #define PHY_ID_BCM5464			0x002060b0
25 #define PHY_ID_BCM5461			0x002060c0
26 #define PHY_ID_BCM54612E		0x03625e60
27 #define PHY_ID_BCM54616S		0x03625d10
28 #define PHY_ID_BCM54140			0xae025009
29 #define PHY_ID_BCM57780			0x03625d90
30 #define PHY_ID_BCM89610			0x03625cd0
31 
32 #define PHY_ID_BCM7250			0xae025280
33 #define PHY_ID_BCM7255			0xae025120
34 #define PHY_ID_BCM7260			0xae025190
35 #define PHY_ID_BCM7268			0xae025090
36 #define PHY_ID_BCM7271			0xae0253b0
37 #define PHY_ID_BCM7278			0xae0251a0
38 #define PHY_ID_BCM7364			0xae025260
39 #define PHY_ID_BCM7366			0x600d8490
40 #define PHY_ID_BCM7346			0x600d8650
41 #define PHY_ID_BCM7362			0x600d84b0
42 #define PHY_ID_BCM7425			0x600d86b0
43 #define PHY_ID_BCM7429			0x600d8730
44 #define PHY_ID_BCM7435			0x600d8750
45 #define PHY_ID_BCM74371			0xae0252e0
46 #define PHY_ID_BCM7439			0x600d8480
47 #define PHY_ID_BCM7439_2		0xae025080
48 #define PHY_ID_BCM7445			0x600d8510
49 
50 #define PHY_ID_BCM_CYGNUS		0xae025200
51 #define PHY_ID_BCM_OMEGA		0xae025100
52 
53 #define PHY_BCM_OUI_MASK		0xfffffc00
54 #define PHY_BCM_OUI_1			0x00206000
55 #define PHY_BCM_OUI_2			0x0143bc00
56 #define PHY_BCM_OUI_3			0x03625c00
57 #define PHY_BCM_OUI_4			0x600d8400
58 #define PHY_BCM_OUI_5			0x03625e00
59 #define PHY_BCM_OUI_6			0xae025000
60 
61 #define PHY_BCM_FLAGS_MODE_COPPER	0x00000001
62 #define PHY_BCM_FLAGS_MODE_1000BX	0x00000002
63 #define PHY_BCM_FLAGS_INTF_SGMII	0x00000010
64 #define PHY_BCM_FLAGS_INTF_XAUI		0x00000020
65 #define PHY_BRCM_WIRESPEED_ENABLE	0x00000100
66 #define PHY_BRCM_AUTO_PWRDWN_ENABLE	0x00000200
67 #define PHY_BRCM_RX_REFCLK_UNUSED	0x00000400
68 #define PHY_BRCM_STD_IBND_DISABLE	0x00000800
69 #define PHY_BRCM_EXT_IBND_RX_ENABLE	0x00001000
70 #define PHY_BRCM_EXT_IBND_TX_ENABLE	0x00002000
71 #define PHY_BRCM_CLEAR_RGMII_MODE	0x00004000
72 #define PHY_BRCM_DIS_TXCRXC_NOENRGY	0x00008000
73 #define PHY_BRCM_EN_MASTER_MODE		0x00010000
74 
75 /* Broadcom BCM7xxx specific workarounds */
76 #define PHY_BRCM_7XXX_REV(x)		(((x) >> 8) & 0xff)
77 #define PHY_BRCM_7XXX_PATCH(x)		((x) & 0xff)
78 #define PHY_BCM_FLAGS_VALID		0x80000000
79 
80 /* Broadcom BCM54XX register definitions, common to most Broadcom PHYs */
81 #define MII_BCM54XX_ECR		0x10	/* BCM54xx extended control register */
82 #define MII_BCM54XX_ECR_IM	0x1000	/* Interrupt mask */
83 #define MII_BCM54XX_ECR_IF	0x0800	/* Interrupt force */
84 #define MII_BCM54XX_ECR_FIFOE	0x0001	/* FIFO elasticity */
85 
86 #define MII_BCM54XX_ESR		0x11	/* BCM54xx extended status register */
87 #define MII_BCM54XX_ESR_IS	0x1000	/* Interrupt status */
88 
89 #define MII_BCM54XX_EXP_DATA	0x15	/* Expansion register data */
90 #define MII_BCM54XX_EXP_SEL	0x17	/* Expansion register select */
91 #define MII_BCM54XX_EXP_SEL_SSD	0x0e00	/* Secondary SerDes select */
92 #define MII_BCM54XX_EXP_SEL_ER	0x0f00	/* Expansion register select */
93 #define MII_BCM54XX_EXP_SEL_ETC	0x0d00	/* Expansion register spare + 2k mem */
94 
95 #define MII_BCM54XX_AUX_CTL	0x18	/* Auxiliary control register */
96 #define MII_BCM54XX_ISR		0x1a	/* BCM54xx interrupt status register */
97 #define MII_BCM54XX_IMR		0x1b	/* BCM54xx interrupt mask register */
98 #define MII_BCM54XX_INT_CRCERR	0x0001	/* CRC error */
99 #define MII_BCM54XX_INT_LINK	0x0002	/* Link status changed */
100 #define MII_BCM54XX_INT_SPEED	0x0004	/* Link speed change */
101 #define MII_BCM54XX_INT_DUPLEX	0x0008	/* Duplex mode changed */
102 #define MII_BCM54XX_INT_LRS	0x0010	/* Local receiver status changed */
103 #define MII_BCM54XX_INT_RRS	0x0020	/* Remote receiver status changed */
104 #define MII_BCM54XX_INT_SSERR	0x0040	/* Scrambler synchronization error */
105 #define MII_BCM54XX_INT_UHCD	0x0080	/* Unsupported HCD negotiated */
106 #define MII_BCM54XX_INT_NHCD	0x0100	/* No HCD */
107 #define MII_BCM54XX_INT_NHCDL	0x0200	/* No HCD link */
108 #define MII_BCM54XX_INT_ANPR	0x0400	/* Auto-negotiation page received */
109 #define MII_BCM54XX_INT_LC	0x0800	/* All counters below 128 */
110 #define MII_BCM54XX_INT_HC	0x1000	/* Counter above 32768 */
111 #define MII_BCM54XX_INT_MDIX	0x2000	/* MDIX status change */
112 #define MII_BCM54XX_INT_PSERR	0x4000	/* Pair swap error */
113 
114 #define MII_BCM54XX_SHD		0x1c	/* 0x1c shadow registers */
115 #define MII_BCM54XX_SHD_WRITE	0x8000
116 #define MII_BCM54XX_SHD_VAL(x)	((x & 0x1f) << 10)
117 #define MII_BCM54XX_SHD_DATA(x)	((x & 0x3ff) << 0)
118 
119 #define MII_BCM54XX_RDB_ADDR	0x1e
120 #define MII_BCM54XX_RDB_DATA	0x1f
121 
122 /*
123  * AUXILIARY CONTROL SHADOW ACCESS REGISTERS.  (PHY REG 0x18)
124  */
125 #define MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL	0x00
126 #define MII_BCM54XX_AUXCTL_ACTL_TX_6DB		0x0400
127 #define MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA	0x0800
128 #define MII_BCM54XX_AUXCTL_ACTL_EXT_PKT_LEN	0x4000
129 
130 #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC			0x07
131 #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_WIRESPEED_EN	0x0010
132 #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN	0x0100
133 #define MII_BCM54XX_AUXCTL_MISC_FORCE_AMDIX		0x0200
134 #define MII_BCM54XX_AUXCTL_MISC_WREN			0x8000
135 
136 #define MII_BCM54XX_AUXCTL_SHDWSEL_READ_SHIFT	12
137 #define MII_BCM54XX_AUXCTL_SHDWSEL_MASK	0x0007
138 
139 /*
140  * Broadcom LED source encodings.  These are used in BCM5461, BCM5481,
141  * BCM5482, and possibly some others.
142  */
143 #define BCM_LED_SRC_LINKSPD1	0x0
144 #define BCM_LED_SRC_LINKSPD2	0x1
145 #define BCM_LED_SRC_XMITLED	0x2
146 #define BCM_LED_SRC_ACTIVITYLED	0x3
147 #define BCM_LED_SRC_FDXLED	0x4
148 #define BCM_LED_SRC_SLAVE	0x5
149 #define BCM_LED_SRC_INTR	0x6
150 #define BCM_LED_SRC_QUALITY	0x7
151 #define BCM_LED_SRC_RCVLED	0x8
152 #define BCM_LED_SRC_WIRESPEED	0x9
153 #define BCM_LED_SRC_MULTICOLOR1	0xa
154 #define BCM_LED_SRC_OPENSHORT	0xb
155 #define BCM_LED_SRC_OFF		0xe	/* Tied high */
156 #define BCM_LED_SRC_ON		0xf	/* Tied low */
157 
158 /*
159  * Broadcom Multicolor LED configurations (expansion register 4)
160  */
161 #define BCM_EXP_MULTICOLOR		(MII_BCM54XX_EXP_SEL_ER + 0x04)
162 #define BCM_LED_MULTICOLOR_IN_PHASE	BIT(8)
163 #define BCM_LED_MULTICOLOR_LINK_ACT	0x0
164 #define BCM_LED_MULTICOLOR_SPEED	0x1
165 #define BCM_LED_MULTICOLOR_ACT_FLASH	0x2
166 #define BCM_LED_MULTICOLOR_FDX		0x3
167 #define BCM_LED_MULTICOLOR_OFF		0x4
168 #define BCM_LED_MULTICOLOR_ON		0x5
169 #define BCM_LED_MULTICOLOR_ALT		0x6
170 #define BCM_LED_MULTICOLOR_FLASH	0x7
171 #define BCM_LED_MULTICOLOR_LINK		0x8
172 #define BCM_LED_MULTICOLOR_ACT		0x9
173 #define BCM_LED_MULTICOLOR_PROGRAM	0xa
174 
175 /*
176  * BCM5482: Shadow registers
177  * Shadow values go into bits [14:10] of register 0x1c to select a shadow
178  * register to access.
179  */
180 
181 /* 00100: Reserved control register 2 */
182 #define BCM54XX_SHD_SCR2		0x04
183 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_DIS	0x100
184 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_SHIFT	2
185 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_OFFSET	2
186 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_MASK	0x7
187 
188 /* 00101: Spare Control Register 3 */
189 #define BCM54XX_SHD_SCR3		0x05
190 #define  BCM54XX_SHD_SCR3_DEF_CLK125	0x0001
191 #define  BCM54XX_SHD_SCR3_DLLAPD_DIS	0x0002
192 #define  BCM54XX_SHD_SCR3_TRDDAPD	0x0004
193 
194 /* 01010: Auto Power-Down */
195 #define BCM54XX_SHD_APD			0x0a
196 #define  BCM_APD_CLR_MASK		0xFE9F /* clear bits 5, 6 & 8 */
197 #define  BCM54XX_SHD_APD_EN		0x0020
198 #define  BCM_NO_ANEG_APD_EN		0x0060 /* bits 5 & 6 */
199 #define  BCM_APD_SINGLELP_EN	0x0100 /* Bit 8 */
200 
201 #define BCM5482_SHD_LEDS1	0x0d	/* 01101: LED Selector 1 */
202 					/* LED3 / ~LINKSPD[2] selector */
203 #define BCM5482_SHD_LEDS1_LED3(src)	((src & 0xf) << 4)
204 					/* LED1 / ~LINKSPD[1] selector */
205 #define BCM5482_SHD_LEDS1_LED1(src)	((src & 0xf) << 0)
206 #define BCM54XX_SHD_RGMII_MODE	0x0b	/* 01011: RGMII Mode Selector */
207 #define BCM5482_SHD_SSD		0x14	/* 10100: Secondary SerDes control */
208 #define BCM5482_SHD_SSD_LEDM	0x0008	/* SSD LED Mode enable */
209 #define BCM5482_SHD_SSD_EN	0x0001	/* SSD enable */
210 
211 /* 10011: SerDes 100-FX Control Register */
212 #define BCM54616S_SHD_100FX_CTRL	0x13
213 #define	BCM54616S_100FX_MODE		BIT(0)	/* 100-FX SerDes Enable */
214 
215 /* 11111: Mode Control Register */
216 #define BCM54XX_SHD_MODE		0x1f
217 #define BCM54XX_SHD_INTF_SEL_MASK	GENMASK(2, 1)	/* INTERF_SEL[1:0] */
218 #define BCM54XX_SHD_MODE_1000BX		BIT(0)	/* Enable 1000-X registers */
219 
220 /*
221  * EXPANSION SHADOW ACCESS REGISTERS.  (PHY REG 0x15, 0x16, and 0x17)
222  */
223 #define MII_BCM54XX_EXP_AADJ1CH0		0x001f
224 #define  MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN	0x0200
225 #define  MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF	0x0100
226 #define MII_BCM54XX_EXP_AADJ1CH3		0x601f
227 #define  MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ	0x0002
228 #define MII_BCM54XX_EXP_EXP08			0x0F08
229 #define  MII_BCM54XX_EXP_EXP08_RJCT_2MHZ	0x0001
230 #define  MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE	0x0200
231 #define MII_BCM54XX_EXP_EXP75			0x0f75
232 #define  MII_BCM54XX_EXP_EXP75_VDACCTRL		0x003c
233 #define  MII_BCM54XX_EXP_EXP75_CM_OSC		0x0001
234 #define MII_BCM54XX_EXP_EXP96			0x0f96
235 #define  MII_BCM54XX_EXP_EXP96_MYST		0x0010
236 #define MII_BCM54XX_EXP_EXP97			0x0f97
237 #define  MII_BCM54XX_EXP_EXP97_MYST		0x0c0c
238 
239 /*
240  * BCM5482: Secondary SerDes registers
241  */
242 #define BCM5482_SSD_1000BX_CTL		0x00	/* 1000BASE-X Control */
243 #define BCM5482_SSD_1000BX_CTL_PWRDOWN	0x0800	/* Power-down SSD */
244 #define BCM5482_SSD_SGMII_SLAVE		0x15	/* SGMII Slave Register */
245 #define BCM5482_SSD_SGMII_SLAVE_EN	0x0002	/* Slave mode enable */
246 #define BCM5482_SSD_SGMII_SLAVE_AD	0x0001	/* Slave auto-detection */
247 
248 /* BCM54810 Registers */
249 #define BCM54810_EXP_BROADREACH_LRE_MISC_CTL	(MII_BCM54XX_EXP_SEL_ER + 0x90)
250 #define BCM54810_EXP_BROADREACH_LRE_MISC_CTL_EN	(1 << 0)
251 #define BCM54810_SHD_CLK_CTL			0x3
252 #define BCM54810_SHD_CLK_CTL_GTXCLK_EN		(1 << 9)
253 
254 /* BCM54612E Registers */
255 #define BCM54612E_EXP_SPARE0		(MII_BCM54XX_EXP_SEL_ETC + 0x34)
256 #define BCM54612E_LED4_CLK125OUT_EN	(1 << 1)
257 
258 /*****************************************************************************/
259 /* Fast Ethernet Transceiver definitions. */
260 /*****************************************************************************/
261 
262 #define MII_BRCM_FET_INTREG		0x1a	/* Interrupt register */
263 #define MII_BRCM_FET_IR_MASK		0x0100	/* Mask all interrupts */
264 #define MII_BRCM_FET_IR_LINK_EN		0x0200	/* Link status change enable */
265 #define MII_BRCM_FET_IR_SPEED_EN	0x0400	/* Link speed change enable */
266 #define MII_BRCM_FET_IR_DUPLEX_EN	0x0800	/* Duplex mode change enable */
267 #define MII_BRCM_FET_IR_ENABLE		0x4000	/* Interrupt enable */
268 
269 #define MII_BRCM_FET_BRCMTEST		0x1f	/* Brcm test register */
270 #define MII_BRCM_FET_BT_SRE		0x0080	/* Shadow register enable */
271 
272 
273 /*** Shadow register definitions ***/
274 
275 #define MII_BRCM_FET_SHDW_MISCCTRL	0x10	/* Shadow misc ctrl */
276 #define MII_BRCM_FET_SHDW_MC_FAME	0x4000	/* Force Auto MDIX enable */
277 
278 #define MII_BRCM_FET_SHDW_AUXMODE4	0x1a	/* Auxiliary mode 4 */
279 #define MII_BRCM_FET_SHDW_AM4_LED_MASK	0x0003
280 #define MII_BRCM_FET_SHDW_AM4_LED_MODE1 0x0001
281 
282 #define MII_BRCM_FET_SHDW_AUXSTAT2	0x1b	/* Auxiliary status 2 */
283 #define MII_BRCM_FET_SHDW_AS2_APDE	0x0020	/* Auto power down enable */
284 
285 #define BRCM_CL45VEN_EEE_CONTROL	0x803d
286 #define LPI_FEATURE_EN			0x8000
287 #define LPI_FEATURE_EN_DIG1000X		0x4000
288 
289 /* Core register definitions*/
290 #define MII_BRCM_CORE_BASE12	0x12
291 #define MII_BRCM_CORE_BASE13	0x13
292 #define MII_BRCM_CORE_BASE14	0x14
293 #define MII_BRCM_CORE_BASE1E	0x1E
294 #define MII_BRCM_CORE_EXPB0	0xB0
295 #define MII_BRCM_CORE_EXPB1	0xB1
296 
297 #endif /* _LINUX_BRCMPHY_H */
298