xref: /openbmc/linux/include/linux/brcmphy.h (revision 132db935)
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_BCM54811			0x03625cc0
21 #define PHY_ID_BCM5482			0x0143bcb0
22 #define PHY_ID_BCM5411			0x00206070
23 #define PHY_ID_BCM5421			0x002060e0
24 #define PHY_ID_BCM54210E		0x600d84a0
25 #define PHY_ID_BCM5464			0x002060b0
26 #define PHY_ID_BCM5461			0x002060c0
27 #define PHY_ID_BCM54612E		0x03625e60
28 #define PHY_ID_BCM54616S		0x03625d10
29 #define PHY_ID_BCM54140			0xae025009
30 #define PHY_ID_BCM57780			0x03625d90
31 #define PHY_ID_BCM89610			0x03625cd0
32 
33 #define PHY_ID_BCM7250			0xae025280
34 #define PHY_ID_BCM7255			0xae025120
35 #define PHY_ID_BCM7260			0xae025190
36 #define PHY_ID_BCM7268			0xae025090
37 #define PHY_ID_BCM7271			0xae0253b0
38 #define PHY_ID_BCM7278			0xae0251a0
39 #define PHY_ID_BCM7364			0xae025260
40 #define PHY_ID_BCM7366			0x600d8490
41 #define PHY_ID_BCM7346			0x600d8650
42 #define PHY_ID_BCM7362			0x600d84b0
43 #define PHY_ID_BCM7425			0x600d86b0
44 #define PHY_ID_BCM7429			0x600d8730
45 #define PHY_ID_BCM7435			0x600d8750
46 #define PHY_ID_BCM74371			0xae0252e0
47 #define PHY_ID_BCM7439			0x600d8480
48 #define PHY_ID_BCM7439_2		0xae025080
49 #define PHY_ID_BCM7445			0x600d8510
50 
51 #define PHY_ID_BCM_CYGNUS		0xae025200
52 #define PHY_ID_BCM_OMEGA		0xae025100
53 
54 #define PHY_BCM_OUI_MASK		0xfffffc00
55 #define PHY_BCM_OUI_1			0x00206000
56 #define PHY_BCM_OUI_2			0x0143bc00
57 #define PHY_BCM_OUI_3			0x03625c00
58 #define PHY_BCM_OUI_4			0x600d8400
59 #define PHY_BCM_OUI_5			0x03625e00
60 #define PHY_BCM_OUI_6			0xae025000
61 
62 #define PHY_BCM_FLAGS_MODE_COPPER	0x00000001
63 #define PHY_BCM_FLAGS_MODE_1000BX	0x00000002
64 #define PHY_BCM_FLAGS_INTF_SGMII	0x00000010
65 #define PHY_BCM_FLAGS_INTF_XAUI		0x00000020
66 #define PHY_BRCM_WIRESPEED_ENABLE	0x00000100
67 #define PHY_BRCM_AUTO_PWRDWN_ENABLE	0x00000200
68 #define PHY_BRCM_RX_REFCLK_UNUSED	0x00000400
69 #define PHY_BRCM_STD_IBND_DISABLE	0x00000800
70 #define PHY_BRCM_EXT_IBND_RX_ENABLE	0x00001000
71 #define PHY_BRCM_EXT_IBND_TX_ENABLE	0x00002000
72 #define PHY_BRCM_CLEAR_RGMII_MODE	0x00004000
73 #define PHY_BRCM_DIS_TXCRXC_NOENRGY	0x00008000
74 #define PHY_BRCM_EN_MASTER_MODE		0x00010000
75 
76 /* Broadcom BCM7xxx specific workarounds */
77 #define PHY_BRCM_7XXX_REV(x)		(((x) >> 8) & 0xff)
78 #define PHY_BRCM_7XXX_PATCH(x)		((x) & 0xff)
79 #define PHY_BCM_FLAGS_VALID		0x80000000
80 
81 /* Broadcom BCM54XX register definitions, common to most Broadcom PHYs */
82 #define MII_BCM54XX_ECR		0x10	/* BCM54xx extended control register */
83 #define MII_BCM54XX_ECR_IM	0x1000	/* Interrupt mask */
84 #define MII_BCM54XX_ECR_IF	0x0800	/* Interrupt force */
85 #define MII_BCM54XX_ECR_FIFOE	0x0001	/* FIFO elasticity */
86 
87 #define MII_BCM54XX_ESR		0x11	/* BCM54xx extended status register */
88 #define MII_BCM54XX_ESR_IS	0x1000	/* Interrupt status */
89 
90 #define MII_BCM54XX_EXP_DATA	0x15	/* Expansion register data */
91 #define MII_BCM54XX_EXP_SEL	0x17	/* Expansion register select */
92 #define MII_BCM54XX_EXP_SEL_SSD	0x0e00	/* Secondary SerDes select */
93 #define MII_BCM54XX_EXP_SEL_ER	0x0f00	/* Expansion register select */
94 #define MII_BCM54XX_EXP_SEL_ETC	0x0d00	/* Expansion register spare + 2k mem */
95 
96 #define MII_BCM54XX_AUX_CTL	0x18	/* Auxiliary control register */
97 #define MII_BCM54XX_ISR		0x1a	/* BCM54xx interrupt status register */
98 #define MII_BCM54XX_IMR		0x1b	/* BCM54xx interrupt mask register */
99 #define MII_BCM54XX_INT_CRCERR	0x0001	/* CRC error */
100 #define MII_BCM54XX_INT_LINK	0x0002	/* Link status changed */
101 #define MII_BCM54XX_INT_SPEED	0x0004	/* Link speed change */
102 #define MII_BCM54XX_INT_DUPLEX	0x0008	/* Duplex mode changed */
103 #define MII_BCM54XX_INT_LRS	0x0010	/* Local receiver status changed */
104 #define MII_BCM54XX_INT_RRS	0x0020	/* Remote receiver status changed */
105 #define MII_BCM54XX_INT_SSERR	0x0040	/* Scrambler synchronization error */
106 #define MII_BCM54XX_INT_UHCD	0x0080	/* Unsupported HCD negotiated */
107 #define MII_BCM54XX_INT_NHCD	0x0100	/* No HCD */
108 #define MII_BCM54XX_INT_NHCDL	0x0200	/* No HCD link */
109 #define MII_BCM54XX_INT_ANPR	0x0400	/* Auto-negotiation page received */
110 #define MII_BCM54XX_INT_LC	0x0800	/* All counters below 128 */
111 #define MII_BCM54XX_INT_HC	0x1000	/* Counter above 32768 */
112 #define MII_BCM54XX_INT_MDIX	0x2000	/* MDIX status change */
113 #define MII_BCM54XX_INT_PSERR	0x4000	/* Pair swap error */
114 
115 #define MII_BCM54XX_SHD		0x1c	/* 0x1c shadow registers */
116 #define MII_BCM54XX_SHD_WRITE	0x8000
117 #define MII_BCM54XX_SHD_VAL(x)	((x & 0x1f) << 10)
118 #define MII_BCM54XX_SHD_DATA(x)	((x & 0x3ff) << 0)
119 
120 #define MII_BCM54XX_RDB_ADDR	0x1e
121 #define MII_BCM54XX_RDB_DATA	0x1f
122 
123 /* legacy access control via rdb/expansion register */
124 #define BCM54XX_RDB_REG0087		0x0087
125 #define BCM54XX_EXP_REG7E		(MII_BCM54XX_EXP_SEL_ER + 0x7E)
126 #define BCM54XX_ACCESS_MODE_LEGACY_EN	BIT(15)
127 
128 /*
129  * AUXILIARY CONTROL SHADOW ACCESS REGISTERS.  (PHY REG 0x18)
130  */
131 #define MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL	0x00
132 #define MII_BCM54XX_AUXCTL_ACTL_TX_6DB		0x0400
133 #define MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA	0x0800
134 #define MII_BCM54XX_AUXCTL_ACTL_EXT_PKT_LEN	0x4000
135 
136 #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC			0x07
137 #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_WIRESPEED_EN	0x0010
138 #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN	0x0100
139 #define MII_BCM54XX_AUXCTL_MISC_FORCE_AMDIX		0x0200
140 #define MII_BCM54XX_AUXCTL_MISC_WREN			0x8000
141 
142 #define MII_BCM54XX_AUXCTL_SHDWSEL_READ_SHIFT	12
143 #define MII_BCM54XX_AUXCTL_SHDWSEL_MASK	0x0007
144 
145 /*
146  * Broadcom LED source encodings.  These are used in BCM5461, BCM5481,
147  * BCM5482, and possibly some others.
148  */
149 #define BCM_LED_SRC_LINKSPD1	0x0
150 #define BCM_LED_SRC_LINKSPD2	0x1
151 #define BCM_LED_SRC_XMITLED	0x2
152 #define BCM_LED_SRC_ACTIVITYLED	0x3
153 #define BCM_LED_SRC_FDXLED	0x4
154 #define BCM_LED_SRC_SLAVE	0x5
155 #define BCM_LED_SRC_INTR	0x6
156 #define BCM_LED_SRC_QUALITY	0x7
157 #define BCM_LED_SRC_RCVLED	0x8
158 #define BCM_LED_SRC_WIRESPEED	0x9
159 #define BCM_LED_SRC_MULTICOLOR1	0xa
160 #define BCM_LED_SRC_OPENSHORT	0xb
161 #define BCM_LED_SRC_OFF		0xe	/* Tied high */
162 #define BCM_LED_SRC_ON		0xf	/* Tied low */
163 
164 /*
165  * Broadcom Multicolor LED configurations (expansion register 4)
166  */
167 #define BCM_EXP_MULTICOLOR		(MII_BCM54XX_EXP_SEL_ER + 0x04)
168 #define BCM_LED_MULTICOLOR_IN_PHASE	BIT(8)
169 #define BCM_LED_MULTICOLOR_LINK_ACT	0x0
170 #define BCM_LED_MULTICOLOR_SPEED	0x1
171 #define BCM_LED_MULTICOLOR_ACT_FLASH	0x2
172 #define BCM_LED_MULTICOLOR_FDX		0x3
173 #define BCM_LED_MULTICOLOR_OFF		0x4
174 #define BCM_LED_MULTICOLOR_ON		0x5
175 #define BCM_LED_MULTICOLOR_ALT		0x6
176 #define BCM_LED_MULTICOLOR_FLASH	0x7
177 #define BCM_LED_MULTICOLOR_LINK		0x8
178 #define BCM_LED_MULTICOLOR_ACT		0x9
179 #define BCM_LED_MULTICOLOR_PROGRAM	0xa
180 
181 /*
182  * BCM5482: Shadow registers
183  * Shadow values go into bits [14:10] of register 0x1c to select a shadow
184  * register to access.
185  */
186 
187 /* 00100: Reserved control register 2 */
188 #define BCM54XX_SHD_SCR2		0x04
189 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_DIS	0x100
190 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_SHIFT	2
191 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_OFFSET	2
192 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_MASK	0x7
193 
194 /* 00101: Spare Control Register 3 */
195 #define BCM54XX_SHD_SCR3		0x05
196 #define  BCM54XX_SHD_SCR3_DEF_CLK125	0x0001
197 #define  BCM54XX_SHD_SCR3_DLLAPD_DIS	0x0002
198 #define  BCM54XX_SHD_SCR3_TRDDAPD	0x0004
199 
200 /* 01010: Auto Power-Down */
201 #define BCM54XX_SHD_APD			0x0a
202 #define  BCM_APD_CLR_MASK		0xFE9F /* clear bits 5, 6 & 8 */
203 #define  BCM54XX_SHD_APD_EN		0x0020
204 #define  BCM_NO_ANEG_APD_EN		0x0060 /* bits 5 & 6 */
205 #define  BCM_APD_SINGLELP_EN	0x0100 /* Bit 8 */
206 
207 #define BCM5482_SHD_LEDS1	0x0d	/* 01101: LED Selector 1 */
208 					/* LED3 / ~LINKSPD[2] selector */
209 #define BCM5482_SHD_LEDS1_LED3(src)	((src & 0xf) << 4)
210 					/* LED1 / ~LINKSPD[1] selector */
211 #define BCM5482_SHD_LEDS1_LED1(src)	((src & 0xf) << 0)
212 #define BCM54XX_SHD_RGMII_MODE	0x0b	/* 01011: RGMII Mode Selector */
213 #define BCM5482_SHD_SSD		0x14	/* 10100: Secondary SerDes control */
214 #define BCM5482_SHD_SSD_LEDM	0x0008	/* SSD LED Mode enable */
215 #define BCM5482_SHD_SSD_EN	0x0001	/* SSD enable */
216 
217 /* 10011: SerDes 100-FX Control Register */
218 #define BCM54616S_SHD_100FX_CTRL	0x13
219 #define	BCM54616S_100FX_MODE		BIT(0)	/* 100-FX SerDes Enable */
220 
221 /* 11111: Mode Control Register */
222 #define BCM54XX_SHD_MODE		0x1f
223 #define BCM54XX_SHD_INTF_SEL_MASK	GENMASK(2, 1)	/* INTERF_SEL[1:0] */
224 #define BCM54XX_SHD_MODE_1000BX		BIT(0)	/* Enable 1000-X registers */
225 
226 /*
227  * EXPANSION SHADOW ACCESS REGISTERS.  (PHY REG 0x15, 0x16, and 0x17)
228  */
229 #define MII_BCM54XX_EXP_AADJ1CH0		0x001f
230 #define  MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN	0x0200
231 #define  MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF	0x0100
232 #define MII_BCM54XX_EXP_AADJ1CH3		0x601f
233 #define  MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ	0x0002
234 #define MII_BCM54XX_EXP_EXP08			0x0F08
235 #define  MII_BCM54XX_EXP_EXP08_RJCT_2MHZ	0x0001
236 #define  MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE	0x0200
237 #define MII_BCM54XX_EXP_EXP75			0x0f75
238 #define  MII_BCM54XX_EXP_EXP75_VDACCTRL		0x003c
239 #define  MII_BCM54XX_EXP_EXP75_CM_OSC		0x0001
240 #define MII_BCM54XX_EXP_EXP96			0x0f96
241 #define  MII_BCM54XX_EXP_EXP96_MYST		0x0010
242 #define MII_BCM54XX_EXP_EXP97			0x0f97
243 #define  MII_BCM54XX_EXP_EXP97_MYST		0x0c0c
244 
245 /*
246  * BCM5482: Secondary SerDes registers
247  */
248 #define BCM5482_SSD_1000BX_CTL		0x00	/* 1000BASE-X Control */
249 #define BCM5482_SSD_1000BX_CTL_PWRDOWN	0x0800	/* Power-down SSD */
250 #define BCM5482_SSD_SGMII_SLAVE		0x15	/* SGMII Slave Register */
251 #define BCM5482_SSD_SGMII_SLAVE_EN	0x0002	/* Slave mode enable */
252 #define BCM5482_SSD_SGMII_SLAVE_AD	0x0001	/* Slave auto-detection */
253 
254 /* BCM54810 Registers */
255 #define BCM54810_EXP_BROADREACH_LRE_MISC_CTL	(MII_BCM54XX_EXP_SEL_ER + 0x90)
256 #define BCM54810_EXP_BROADREACH_LRE_MISC_CTL_EN	(1 << 0)
257 #define BCM54810_SHD_CLK_CTL			0x3
258 #define BCM54810_SHD_CLK_CTL_GTXCLK_EN		(1 << 9)
259 #define BCM54810_SHD_SCR3_TRDDAPD		0x0100
260 
261 /* BCM54612E Registers */
262 #define BCM54612E_EXP_SPARE0		(MII_BCM54XX_EXP_SEL_ETC + 0x34)
263 #define BCM54612E_LED4_CLK125OUT_EN	(1 << 1)
264 
265 /*****************************************************************************/
266 /* Fast Ethernet Transceiver definitions. */
267 /*****************************************************************************/
268 
269 #define MII_BRCM_FET_INTREG		0x1a	/* Interrupt register */
270 #define MII_BRCM_FET_IR_MASK		0x0100	/* Mask all interrupts */
271 #define MII_BRCM_FET_IR_LINK_EN		0x0200	/* Link status change enable */
272 #define MII_BRCM_FET_IR_SPEED_EN	0x0400	/* Link speed change enable */
273 #define MII_BRCM_FET_IR_DUPLEX_EN	0x0800	/* Duplex mode change enable */
274 #define MII_BRCM_FET_IR_ENABLE		0x4000	/* Interrupt enable */
275 
276 #define MII_BRCM_FET_BRCMTEST		0x1f	/* Brcm test register */
277 #define MII_BRCM_FET_BT_SRE		0x0080	/* Shadow register enable */
278 
279 
280 /*** Shadow register definitions ***/
281 
282 #define MII_BRCM_FET_SHDW_MISCCTRL	0x10	/* Shadow misc ctrl */
283 #define MII_BRCM_FET_SHDW_MC_FAME	0x4000	/* Force Auto MDIX enable */
284 
285 #define MII_BRCM_FET_SHDW_AUXMODE4	0x1a	/* Auxiliary mode 4 */
286 #define MII_BRCM_FET_SHDW_AM4_LED_MASK	0x0003
287 #define MII_BRCM_FET_SHDW_AM4_LED_MODE1 0x0001
288 
289 #define MII_BRCM_FET_SHDW_AUXSTAT2	0x1b	/* Auxiliary status 2 */
290 #define MII_BRCM_FET_SHDW_AS2_APDE	0x0020	/* Auto power down enable */
291 
292 #define BRCM_CL45VEN_EEE_CONTROL	0x803d
293 #define LPI_FEATURE_EN			0x8000
294 #define LPI_FEATURE_EN_DIG1000X		0x4000
295 
296 /* Core register definitions*/
297 #define MII_BRCM_CORE_BASE12	0x12
298 #define MII_BRCM_CORE_BASE13	0x13
299 #define MII_BRCM_CORE_BASE14	0x14
300 #define MII_BRCM_CORE_BASE1E	0x1E
301 #define MII_BRCM_CORE_EXPB0	0xB0
302 #define MII_BRCM_CORE_EXPB1	0xB1
303 
304 /* Enhanced Cable Diagnostics */
305 #define BCM54XX_RDB_ECD_CTRL			0x2a0
306 #define BCM54XX_EXP_ECD_CTRL			(MII_BCM54XX_EXP_SEL_ER + 0xc0)
307 
308 #define BCM54XX_ECD_CTRL_CABLE_TYPE_CAT3	1	/* CAT3 or worse */
309 #define BCM54XX_ECD_CTRL_CABLE_TYPE_CAT5	0	/* CAT5 or better */
310 #define BCM54XX_ECD_CTRL_CABLE_TYPE_MASK	BIT(0)	/* cable type */
311 #define BCM54XX_ECD_CTRL_INVALID		BIT(3)	/* invalid result */
312 #define BCM54XX_ECD_CTRL_UNIT_CM		0	/* centimeters */
313 #define BCM54XX_ECD_CTRL_UNIT_M			1	/* meters */
314 #define BCM54XX_ECD_CTRL_UNIT_MASK		BIT(10)	/* cable length unit */
315 #define BCM54XX_ECD_CTRL_IN_PROGRESS		BIT(11)	/* test in progress */
316 #define BCM54XX_ECD_CTRL_BREAK_LINK		BIT(12)	/* unconnect link
317 							 * during test
318 							 */
319 #define BCM54XX_ECD_CTRL_CROSS_SHORT_DIS	BIT(13)	/* disable inter-pair
320 							 * short check
321 							 */
322 #define BCM54XX_ECD_CTRL_RUN			BIT(15)	/* run immediate */
323 
324 #define BCM54XX_RDB_ECD_FAULT_TYPE		0x2a1
325 #define BCM54XX_EXP_ECD_FAULT_TYPE		(MII_BCM54XX_EXP_SEL_ER + 0xc1)
326 #define BCM54XX_ECD_FAULT_TYPE_INVALID		0x0
327 #define BCM54XX_ECD_FAULT_TYPE_OK		0x1
328 #define BCM54XX_ECD_FAULT_TYPE_OPEN		0x2
329 #define BCM54XX_ECD_FAULT_TYPE_SAME_SHORT	0x3 /* short same pair */
330 #define BCM54XX_ECD_FAULT_TYPE_CROSS_SHORT	0x4 /* short different pairs */
331 #define BCM54XX_ECD_FAULT_TYPE_BUSY		0x9
332 #define BCM54XX_ECD_FAULT_TYPE_PAIR_D_MASK	GENMASK(3, 0)
333 #define BCM54XX_ECD_FAULT_TYPE_PAIR_C_MASK	GENMASK(7, 4)
334 #define BCM54XX_ECD_FAULT_TYPE_PAIR_B_MASK	GENMASK(11, 8)
335 #define BCM54XX_ECD_FAULT_TYPE_PAIR_A_MASK	GENMASK(15, 12)
336 #define BCM54XX_ECD_PAIR_A_LENGTH_RESULTS	0x2a2
337 #define BCM54XX_ECD_PAIR_B_LENGTH_RESULTS	0x2a3
338 #define BCM54XX_ECD_PAIR_C_LENGTH_RESULTS	0x2a4
339 #define BCM54XX_ECD_PAIR_D_LENGTH_RESULTS	0x2a5
340 
341 #define BCM54XX_RDB_ECD_PAIR_A_LENGTH_RESULTS	0x2a2
342 #define BCM54XX_EXP_ECD_PAIR_A_LENGTH_RESULTS	(MII_BCM54XX_EXP_SEL_ER + 0xc2)
343 #define BCM54XX_RDB_ECD_PAIR_B_LENGTH_RESULTS	0x2a3
344 #define BCM54XX_EXP_ECD_PAIR_B_LENGTH_RESULTS	(MII_BCM54XX_EXP_SEL_ER + 0xc3)
345 #define BCM54XX_RDB_ECD_PAIR_C_LENGTH_RESULTS	0x2a4
346 #define BCM54XX_EXP_ECD_PAIR_C_LENGTH_RESULTS	(MII_BCM54XX_EXP_SEL_ER + 0xc4)
347 #define BCM54XX_RDB_ECD_PAIR_D_LENGTH_RESULTS	0x2a5
348 #define BCM54XX_EXP_ECD_PAIR_D_LENGTH_RESULTS	(MII_BCM54XX_EXP_SEL_ER + 0xc5)
349 #define BCM54XX_ECD_LENGTH_RESULTS_INVALID	0xffff
350 
351 #endif /* _LINUX_BRCMPHY_H */
352