xref: /openbmc/linux/include/linux/brcmphy.h (revision 75b1a8f9)
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_BCM72113			0x35905310
34 #define PHY_ID_BCM7250			0xae025280
35 #define PHY_ID_BCM7255			0xae025120
36 #define PHY_ID_BCM7260			0xae025190
37 #define PHY_ID_BCM7268			0xae025090
38 #define PHY_ID_BCM7271			0xae0253b0
39 #define PHY_ID_BCM7278			0xae0251a0
40 #define PHY_ID_BCM7364			0xae025260
41 #define PHY_ID_BCM7366			0x600d8490
42 #define PHY_ID_BCM7346			0x600d8650
43 #define PHY_ID_BCM7362			0x600d84b0
44 #define PHY_ID_BCM7425			0x600d86b0
45 #define PHY_ID_BCM7429			0x600d8730
46 #define PHY_ID_BCM7435			0x600d8750
47 #define PHY_ID_BCM74371			0xae0252e0
48 #define PHY_ID_BCM7439			0x600d8480
49 #define PHY_ID_BCM7439_2		0xae025080
50 #define PHY_ID_BCM7445			0x600d8510
51 
52 #define PHY_ID_BCM_CYGNUS		0xae025200
53 #define PHY_ID_BCM_OMEGA		0xae025100
54 
55 #define PHY_BCM_OUI_MASK		0xfffffc00
56 #define PHY_BCM_OUI_1			0x00206000
57 #define PHY_BCM_OUI_2			0x0143bc00
58 #define PHY_BCM_OUI_3			0x03625c00
59 #define PHY_BCM_OUI_4			0x600d8400
60 #define PHY_BCM_OUI_5			0x03625e00
61 #define PHY_BCM_OUI_6			0xae025000
62 
63 #define PHY_BCM_FLAGS_MODE_COPPER	0x00000001
64 #define PHY_BCM_FLAGS_MODE_1000BX	0x00000002
65 #define PHY_BCM_FLAGS_INTF_SGMII	0x00000010
66 #define PHY_BCM_FLAGS_INTF_XAUI		0x00000020
67 #define PHY_BRCM_WIRESPEED_ENABLE	0x00000100
68 #define PHY_BRCM_AUTO_PWRDWN_ENABLE	0x00000200
69 #define PHY_BRCM_RX_REFCLK_UNUSED	0x00000400
70 #define PHY_BRCM_STD_IBND_DISABLE	0x00000800
71 #define PHY_BRCM_EXT_IBND_RX_ENABLE	0x00001000
72 #define PHY_BRCM_EXT_IBND_TX_ENABLE	0x00002000
73 #define PHY_BRCM_CLEAR_RGMII_MODE	0x00004000
74 #define PHY_BRCM_DIS_TXCRXC_NOENRGY	0x00008000
75 #define PHY_BRCM_EN_MASTER_MODE		0x00010000
76 
77 /* Broadcom BCM7xxx specific workarounds */
78 #define PHY_BRCM_7XXX_REV(x)		(((x) >> 8) & 0xff)
79 #define PHY_BRCM_7XXX_PATCH(x)		((x) & 0xff)
80 #define PHY_BCM_FLAGS_VALID		0x80000000
81 
82 /* Broadcom BCM54XX register definitions, common to most Broadcom PHYs */
83 #define MII_BCM54XX_ECR		0x10	/* BCM54xx extended control register */
84 #define MII_BCM54XX_ECR_IM	0x1000	/* Interrupt mask */
85 #define MII_BCM54XX_ECR_IF	0x0800	/* Interrupt force */
86 #define MII_BCM54XX_ECR_FIFOE	0x0001	/* FIFO elasticity */
87 
88 #define MII_BCM54XX_ESR		0x11	/* BCM54xx extended status register */
89 #define MII_BCM54XX_ESR_IS	0x1000	/* Interrupt status */
90 
91 #define MII_BCM54XX_EXP_DATA	0x15	/* Expansion register data */
92 #define MII_BCM54XX_EXP_SEL	0x17	/* Expansion register select */
93 #define MII_BCM54XX_EXP_SEL_SSD	0x0e00	/* Secondary SerDes select */
94 #define MII_BCM54XX_EXP_SEL_ER	0x0f00	/* Expansion register select */
95 #define MII_BCM54XX_EXP_SEL_ETC	0x0d00	/* Expansion register spare + 2k mem */
96 
97 #define MII_BCM54XX_AUX_CTL	0x18	/* Auxiliary control register */
98 #define MII_BCM54XX_ISR		0x1a	/* BCM54xx interrupt status register */
99 #define MII_BCM54XX_IMR		0x1b	/* BCM54xx interrupt mask register */
100 #define MII_BCM54XX_INT_CRCERR	0x0001	/* CRC error */
101 #define MII_BCM54XX_INT_LINK	0x0002	/* Link status changed */
102 #define MII_BCM54XX_INT_SPEED	0x0004	/* Link speed change */
103 #define MII_BCM54XX_INT_DUPLEX	0x0008	/* Duplex mode changed */
104 #define MII_BCM54XX_INT_LRS	0x0010	/* Local receiver status changed */
105 #define MII_BCM54XX_INT_RRS	0x0020	/* Remote receiver status changed */
106 #define MII_BCM54XX_INT_SSERR	0x0040	/* Scrambler synchronization error */
107 #define MII_BCM54XX_INT_UHCD	0x0080	/* Unsupported HCD negotiated */
108 #define MII_BCM54XX_INT_NHCD	0x0100	/* No HCD */
109 #define MII_BCM54XX_INT_NHCDL	0x0200	/* No HCD link */
110 #define MII_BCM54XX_INT_ANPR	0x0400	/* Auto-negotiation page received */
111 #define MII_BCM54XX_INT_LC	0x0800	/* All counters below 128 */
112 #define MII_BCM54XX_INT_HC	0x1000	/* Counter above 32768 */
113 #define MII_BCM54XX_INT_MDIX	0x2000	/* MDIX status change */
114 #define MII_BCM54XX_INT_PSERR	0x4000	/* Pair swap error */
115 
116 #define MII_BCM54XX_SHD		0x1c	/* 0x1c shadow registers */
117 #define MII_BCM54XX_SHD_WRITE	0x8000
118 #define MII_BCM54XX_SHD_VAL(x)	((x & 0x1f) << 10)
119 #define MII_BCM54XX_SHD_DATA(x)	((x & 0x3ff) << 0)
120 
121 #define MII_BCM54XX_RDB_ADDR	0x1e
122 #define MII_BCM54XX_RDB_DATA	0x1f
123 
124 /* legacy access control via rdb/expansion register */
125 #define BCM54XX_RDB_REG0087		0x0087
126 #define BCM54XX_EXP_REG7E		(MII_BCM54XX_EXP_SEL_ER + 0x7E)
127 #define BCM54XX_ACCESS_MODE_LEGACY_EN	BIT(15)
128 
129 /*
130  * AUXILIARY CONTROL SHADOW ACCESS REGISTERS.  (PHY REG 0x18)
131  */
132 #define MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL	0x00
133 #define MII_BCM54XX_AUXCTL_ACTL_TX_6DB		0x0400
134 #define MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA	0x0800
135 #define MII_BCM54XX_AUXCTL_ACTL_EXT_PKT_LEN	0x4000
136 
137 #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC			0x07
138 #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_WIRESPEED_EN	0x0010
139 #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN	0x0100
140 #define MII_BCM54XX_AUXCTL_MISC_FORCE_AMDIX		0x0200
141 #define MII_BCM54XX_AUXCTL_MISC_WREN			0x8000
142 
143 #define MII_BCM54XX_AUXCTL_SHDWSEL_READ_SHIFT	12
144 #define MII_BCM54XX_AUXCTL_SHDWSEL_MASK	0x0007
145 
146 /*
147  * Broadcom LED source encodings.  These are used in BCM5461, BCM5481,
148  * BCM5482, and possibly some others.
149  */
150 #define BCM_LED_SRC_LINKSPD1	0x0
151 #define BCM_LED_SRC_LINKSPD2	0x1
152 #define BCM_LED_SRC_XMITLED	0x2
153 #define BCM_LED_SRC_ACTIVITYLED	0x3
154 #define BCM_LED_SRC_FDXLED	0x4
155 #define BCM_LED_SRC_SLAVE	0x5
156 #define BCM_LED_SRC_INTR	0x6
157 #define BCM_LED_SRC_QUALITY	0x7
158 #define BCM_LED_SRC_RCVLED	0x8
159 #define BCM_LED_SRC_WIRESPEED	0x9
160 #define BCM_LED_SRC_MULTICOLOR1	0xa
161 #define BCM_LED_SRC_OPENSHORT	0xb
162 #define BCM_LED_SRC_OFF		0xe	/* Tied high */
163 #define BCM_LED_SRC_ON		0xf	/* Tied low */
164 
165 /*
166  * Broadcom Multicolor LED configurations (expansion register 4)
167  */
168 #define BCM_EXP_MULTICOLOR		(MII_BCM54XX_EXP_SEL_ER + 0x04)
169 #define BCM_LED_MULTICOLOR_IN_PHASE	BIT(8)
170 #define BCM_LED_MULTICOLOR_LINK_ACT	0x0
171 #define BCM_LED_MULTICOLOR_SPEED	0x1
172 #define BCM_LED_MULTICOLOR_ACT_FLASH	0x2
173 #define BCM_LED_MULTICOLOR_FDX		0x3
174 #define BCM_LED_MULTICOLOR_OFF		0x4
175 #define BCM_LED_MULTICOLOR_ON		0x5
176 #define BCM_LED_MULTICOLOR_ALT		0x6
177 #define BCM_LED_MULTICOLOR_FLASH	0x7
178 #define BCM_LED_MULTICOLOR_LINK		0x8
179 #define BCM_LED_MULTICOLOR_ACT		0x9
180 #define BCM_LED_MULTICOLOR_PROGRAM	0xa
181 
182 /*
183  * BCM5482: Shadow registers
184  * Shadow values go into bits [14:10] of register 0x1c to select a shadow
185  * register to access.
186  */
187 
188 /* 00100: Reserved control register 2 */
189 #define BCM54XX_SHD_SCR2		0x04
190 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_DIS	0x100
191 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_SHIFT	2
192 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_OFFSET	2
193 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_MASK	0x7
194 
195 /* 00101: Spare Control Register 3 */
196 #define BCM54XX_SHD_SCR3		0x05
197 #define  BCM54XX_SHD_SCR3_DEF_CLK125	0x0001
198 #define  BCM54XX_SHD_SCR3_DLLAPD_DIS	0x0002
199 #define  BCM54XX_SHD_SCR3_TRDDAPD	0x0004
200 
201 /* 01010: Auto Power-Down */
202 #define BCM54XX_SHD_APD			0x0a
203 #define  BCM_APD_CLR_MASK		0xFE9F /* clear bits 5, 6 & 8 */
204 #define  BCM54XX_SHD_APD_EN		0x0020
205 #define  BCM_NO_ANEG_APD_EN		0x0060 /* bits 5 & 6 */
206 #define  BCM_APD_SINGLELP_EN	0x0100 /* Bit 8 */
207 
208 #define BCM5482_SHD_LEDS1	0x0d	/* 01101: LED Selector 1 */
209 					/* LED3 / ~LINKSPD[2] selector */
210 #define BCM5482_SHD_LEDS1_LED3(src)	((src & 0xf) << 4)
211 					/* LED1 / ~LINKSPD[1] selector */
212 #define BCM5482_SHD_LEDS1_LED1(src)	((src & 0xf) << 0)
213 #define BCM54XX_SHD_RGMII_MODE	0x0b	/* 01011: RGMII Mode Selector */
214 #define BCM5482_SHD_SSD		0x14	/* 10100: Secondary SerDes control */
215 #define BCM5482_SHD_SSD_LEDM	0x0008	/* SSD LED Mode enable */
216 #define BCM5482_SHD_SSD_EN	0x0001	/* SSD enable */
217 
218 /* 10011: SerDes 100-FX Control Register */
219 #define BCM54616S_SHD_100FX_CTRL	0x13
220 #define	BCM54616S_100FX_MODE		BIT(0)	/* 100-FX SerDes Enable */
221 
222 /* 11111: Mode Control Register */
223 #define BCM54XX_SHD_MODE		0x1f
224 #define BCM54XX_SHD_INTF_SEL_MASK	GENMASK(2, 1)	/* INTERF_SEL[1:0] */
225 #define BCM54XX_SHD_MODE_1000BX		BIT(0)	/* Enable 1000-X registers */
226 
227 /*
228  * EXPANSION SHADOW ACCESS REGISTERS.  (PHY REG 0x15, 0x16, and 0x17)
229  */
230 #define MII_BCM54XX_EXP_AADJ1CH0		0x001f
231 #define  MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN	0x0200
232 #define  MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF	0x0100
233 #define MII_BCM54XX_EXP_AADJ1CH3		0x601f
234 #define  MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ	0x0002
235 #define MII_BCM54XX_EXP_EXP08			0x0F08
236 #define  MII_BCM54XX_EXP_EXP08_RJCT_2MHZ	0x0001
237 #define  MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE	0x0200
238 #define MII_BCM54XX_EXP_EXP75			0x0f75
239 #define  MII_BCM54XX_EXP_EXP75_VDACCTRL		0x003c
240 #define  MII_BCM54XX_EXP_EXP75_CM_OSC		0x0001
241 #define MII_BCM54XX_EXP_EXP96			0x0f96
242 #define  MII_BCM54XX_EXP_EXP96_MYST		0x0010
243 #define MII_BCM54XX_EXP_EXP97			0x0f97
244 #define  MII_BCM54XX_EXP_EXP97_MYST		0x0c0c
245 
246 /*
247  * BCM5482: Secondary SerDes registers
248  */
249 #define BCM5482_SSD_1000BX_CTL		0x00	/* 1000BASE-X Control */
250 #define BCM5482_SSD_1000BX_CTL_PWRDOWN	0x0800	/* Power-down SSD */
251 #define BCM5482_SSD_SGMII_SLAVE		0x15	/* SGMII Slave Register */
252 #define BCM5482_SSD_SGMII_SLAVE_EN	0x0002	/* Slave mode enable */
253 #define BCM5482_SSD_SGMII_SLAVE_AD	0x0001	/* Slave auto-detection */
254 
255 /* BCM54810 Registers */
256 #define BCM54810_EXP_BROADREACH_LRE_MISC_CTL	(MII_BCM54XX_EXP_SEL_ER + 0x90)
257 #define BCM54810_EXP_BROADREACH_LRE_MISC_CTL_EN	(1 << 0)
258 #define BCM54810_SHD_CLK_CTL			0x3
259 #define BCM54810_SHD_CLK_CTL_GTXCLK_EN		(1 << 9)
260 #define BCM54810_SHD_SCR3_TRDDAPD		0x0100
261 
262 /* BCM54612E Registers */
263 #define BCM54612E_EXP_SPARE0		(MII_BCM54XX_EXP_SEL_ETC + 0x34)
264 #define BCM54612E_LED4_CLK125OUT_EN	(1 << 1)
265 
266 /*****************************************************************************/
267 /* Fast Ethernet Transceiver definitions. */
268 /*****************************************************************************/
269 
270 #define MII_BRCM_FET_INTREG		0x1a	/* Interrupt register */
271 #define MII_BRCM_FET_IR_MASK		0x0100	/* Mask all interrupts */
272 #define MII_BRCM_FET_IR_LINK_EN		0x0200	/* Link status change enable */
273 #define MII_BRCM_FET_IR_SPEED_EN	0x0400	/* Link speed change enable */
274 #define MII_BRCM_FET_IR_DUPLEX_EN	0x0800	/* Duplex mode change enable */
275 #define MII_BRCM_FET_IR_ENABLE		0x4000	/* Interrupt enable */
276 
277 #define MII_BRCM_FET_BRCMTEST		0x1f	/* Brcm test register */
278 #define MII_BRCM_FET_BT_SRE		0x0080	/* Shadow register enable */
279 
280 
281 /*** Shadow register definitions ***/
282 
283 #define MII_BRCM_FET_SHDW_MISCCTRL	0x10	/* Shadow misc ctrl */
284 #define MII_BRCM_FET_SHDW_MC_FAME	0x4000	/* Force Auto MDIX enable */
285 
286 #define MII_BRCM_FET_SHDW_AUXMODE4	0x1a	/* Auxiliary mode 4 */
287 #define MII_BRCM_FET_SHDW_AM4_LED_MASK	0x0003
288 #define MII_BRCM_FET_SHDW_AM4_LED_MODE1 0x0001
289 
290 #define MII_BRCM_FET_SHDW_AUXSTAT2	0x1b	/* Auxiliary status 2 */
291 #define MII_BRCM_FET_SHDW_AS2_APDE	0x0020	/* Auto power down enable */
292 
293 #define BRCM_CL45VEN_EEE_CONTROL	0x803d
294 #define LPI_FEATURE_EN			0x8000
295 #define LPI_FEATURE_EN_DIG1000X		0x4000
296 
297 /* Core register definitions*/
298 #define MII_BRCM_CORE_BASE12	0x12
299 #define MII_BRCM_CORE_BASE13	0x13
300 #define MII_BRCM_CORE_BASE14	0x14
301 #define MII_BRCM_CORE_BASE1E	0x1E
302 #define MII_BRCM_CORE_EXPB0	0xB0
303 #define MII_BRCM_CORE_EXPB1	0xB1
304 
305 /* Enhanced Cable Diagnostics */
306 #define BCM54XX_RDB_ECD_CTRL			0x2a0
307 #define BCM54XX_EXP_ECD_CTRL			(MII_BCM54XX_EXP_SEL_ER + 0xc0)
308 
309 #define BCM54XX_ECD_CTRL_CABLE_TYPE_CAT3	1	/* CAT3 or worse */
310 #define BCM54XX_ECD_CTRL_CABLE_TYPE_CAT5	0	/* CAT5 or better */
311 #define BCM54XX_ECD_CTRL_CABLE_TYPE_MASK	BIT(0)	/* cable type */
312 #define BCM54XX_ECD_CTRL_INVALID		BIT(3)	/* invalid result */
313 #define BCM54XX_ECD_CTRL_UNIT_CM		0	/* centimeters */
314 #define BCM54XX_ECD_CTRL_UNIT_M			1	/* meters */
315 #define BCM54XX_ECD_CTRL_UNIT_MASK		BIT(10)	/* cable length unit */
316 #define BCM54XX_ECD_CTRL_IN_PROGRESS		BIT(11)	/* test in progress */
317 #define BCM54XX_ECD_CTRL_BREAK_LINK		BIT(12)	/* unconnect link
318 							 * during test
319 							 */
320 #define BCM54XX_ECD_CTRL_CROSS_SHORT_DIS	BIT(13)	/* disable inter-pair
321 							 * short check
322 							 */
323 #define BCM54XX_ECD_CTRL_RUN			BIT(15)	/* run immediate */
324 
325 #define BCM54XX_RDB_ECD_FAULT_TYPE		0x2a1
326 #define BCM54XX_EXP_ECD_FAULT_TYPE		(MII_BCM54XX_EXP_SEL_ER + 0xc1)
327 #define BCM54XX_ECD_FAULT_TYPE_INVALID		0x0
328 #define BCM54XX_ECD_FAULT_TYPE_OK		0x1
329 #define BCM54XX_ECD_FAULT_TYPE_OPEN		0x2
330 #define BCM54XX_ECD_FAULT_TYPE_SAME_SHORT	0x3 /* short same pair */
331 #define BCM54XX_ECD_FAULT_TYPE_CROSS_SHORT	0x4 /* short different pairs */
332 #define BCM54XX_ECD_FAULT_TYPE_BUSY		0x9
333 #define BCM54XX_ECD_FAULT_TYPE_PAIR_D_MASK	GENMASK(3, 0)
334 #define BCM54XX_ECD_FAULT_TYPE_PAIR_C_MASK	GENMASK(7, 4)
335 #define BCM54XX_ECD_FAULT_TYPE_PAIR_B_MASK	GENMASK(11, 8)
336 #define BCM54XX_ECD_FAULT_TYPE_PAIR_A_MASK	GENMASK(15, 12)
337 #define BCM54XX_ECD_PAIR_A_LENGTH_RESULTS	0x2a2
338 #define BCM54XX_ECD_PAIR_B_LENGTH_RESULTS	0x2a3
339 #define BCM54XX_ECD_PAIR_C_LENGTH_RESULTS	0x2a4
340 #define BCM54XX_ECD_PAIR_D_LENGTH_RESULTS	0x2a5
341 
342 #define BCM54XX_RDB_ECD_PAIR_A_LENGTH_RESULTS	0x2a2
343 #define BCM54XX_EXP_ECD_PAIR_A_LENGTH_RESULTS	(MII_BCM54XX_EXP_SEL_ER + 0xc2)
344 #define BCM54XX_RDB_ECD_PAIR_B_LENGTH_RESULTS	0x2a3
345 #define BCM54XX_EXP_ECD_PAIR_B_LENGTH_RESULTS	(MII_BCM54XX_EXP_SEL_ER + 0xc3)
346 #define BCM54XX_RDB_ECD_PAIR_C_LENGTH_RESULTS	0x2a4
347 #define BCM54XX_EXP_ECD_PAIR_C_LENGTH_RESULTS	(MII_BCM54XX_EXP_SEL_ER + 0xc4)
348 #define BCM54XX_RDB_ECD_PAIR_D_LENGTH_RESULTS	0x2a5
349 #define BCM54XX_EXP_ECD_PAIR_D_LENGTH_RESULTS	(MII_BCM54XX_EXP_SEL_ER + 0xc5)
350 #define BCM54XX_ECD_LENGTH_RESULTS_INVALID	0xffff
351 
352 #endif /* _LINUX_BRCMPHY_H */
353