xref: /openbmc/linux/include/linux/brcmphy.h (revision ee7da21a)
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_BCM72116			0x35905350
35 #define PHY_ID_BCM7250			0xae025280
36 #define PHY_ID_BCM7255			0xae025120
37 #define PHY_ID_BCM7260			0xae025190
38 #define PHY_ID_BCM7268			0xae025090
39 #define PHY_ID_BCM7271			0xae0253b0
40 #define PHY_ID_BCM7278			0xae0251a0
41 #define PHY_ID_BCM7364			0xae025260
42 #define PHY_ID_BCM7366			0x600d8490
43 #define PHY_ID_BCM7346			0x600d8650
44 #define PHY_ID_BCM7362			0x600d84b0
45 #define PHY_ID_BCM7425			0x600d86b0
46 #define PHY_ID_BCM7429			0x600d8730
47 #define PHY_ID_BCM7435			0x600d8750
48 #define PHY_ID_BCM74371			0xae0252e0
49 #define PHY_ID_BCM7439			0x600d8480
50 #define PHY_ID_BCM7439_2		0xae025080
51 #define PHY_ID_BCM7445			0x600d8510
52 
53 #define PHY_ID_BCM_CYGNUS		0xae025200
54 #define PHY_ID_BCM_OMEGA		0xae025100
55 
56 #define PHY_BCM_OUI_MASK		0xfffffc00
57 #define PHY_BCM_OUI_1			0x00206000
58 #define PHY_BCM_OUI_2			0x0143bc00
59 #define PHY_BCM_OUI_3			0x03625c00
60 #define PHY_BCM_OUI_4			0x600d8400
61 #define PHY_BCM_OUI_5			0x03625e00
62 #define PHY_BCM_OUI_6			0xae025000
63 
64 #define PHY_BRCM_AUTO_PWRDWN_ENABLE	0x00000001
65 #define PHY_BRCM_RX_REFCLK_UNUSED	0x00000002
66 #define PHY_BRCM_CLEAR_RGMII_MODE	0x00000004
67 #define PHY_BRCM_DIS_TXCRXC_NOENRGY	0x00000008
68 #define PHY_BRCM_EN_MASTER_MODE		0x00000010
69 
70 /* Broadcom BCM7xxx specific workarounds */
71 #define PHY_BRCM_7XXX_REV(x)		(((x) >> 8) & 0xff)
72 #define PHY_BRCM_7XXX_PATCH(x)		((x) & 0xff)
73 #define PHY_BCM_FLAGS_VALID		0x80000000
74 
75 /* Broadcom BCM54XX register definitions, common to most Broadcom PHYs */
76 #define MII_BCM54XX_ECR		0x10	/* BCM54xx extended control register */
77 #define MII_BCM54XX_ECR_IM	0x1000	/* Interrupt mask */
78 #define MII_BCM54XX_ECR_IF	0x0800	/* Interrupt force */
79 #define MII_BCM54XX_ECR_FIFOE	0x0001	/* FIFO elasticity */
80 
81 #define MII_BCM54XX_ESR		0x11	/* BCM54xx extended status register */
82 #define MII_BCM54XX_ESR_IS	0x1000	/* Interrupt status */
83 
84 #define MII_BCM54XX_EXP_DATA	0x15	/* Expansion register data */
85 #define MII_BCM54XX_EXP_SEL	0x17	/* Expansion register select */
86 #define MII_BCM54XX_EXP_SEL_SSD	0x0e00	/* Secondary SerDes select */
87 #define MII_BCM54XX_EXP_SEL_ER	0x0f00	/* Expansion register select */
88 #define MII_BCM54XX_EXP_SEL_ETC	0x0d00	/* Expansion register spare + 2k mem */
89 
90 #define MII_BCM54XX_AUX_CTL	0x18	/* Auxiliary control register */
91 #define MII_BCM54XX_ISR		0x1a	/* BCM54xx interrupt status register */
92 #define MII_BCM54XX_IMR		0x1b	/* BCM54xx interrupt mask register */
93 #define MII_BCM54XX_INT_CRCERR	0x0001	/* CRC error */
94 #define MII_BCM54XX_INT_LINK	0x0002	/* Link status changed */
95 #define MII_BCM54XX_INT_SPEED	0x0004	/* Link speed change */
96 #define MII_BCM54XX_INT_DUPLEX	0x0008	/* Duplex mode changed */
97 #define MII_BCM54XX_INT_LRS	0x0010	/* Local receiver status changed */
98 #define MII_BCM54XX_INT_RRS	0x0020	/* Remote receiver status changed */
99 #define MII_BCM54XX_INT_SSERR	0x0040	/* Scrambler synchronization error */
100 #define MII_BCM54XX_INT_UHCD	0x0080	/* Unsupported HCD negotiated */
101 #define MII_BCM54XX_INT_NHCD	0x0100	/* No HCD */
102 #define MII_BCM54XX_INT_NHCDL	0x0200	/* No HCD link */
103 #define MII_BCM54XX_INT_ANPR	0x0400	/* Auto-negotiation page received */
104 #define MII_BCM54XX_INT_LC	0x0800	/* All counters below 128 */
105 #define MII_BCM54XX_INT_HC	0x1000	/* Counter above 32768 */
106 #define MII_BCM54XX_INT_MDIX	0x2000	/* MDIX status change */
107 #define MII_BCM54XX_INT_PSERR	0x4000	/* Pair swap error */
108 
109 #define MII_BCM54XX_SHD		0x1c	/* 0x1c shadow registers */
110 #define MII_BCM54XX_SHD_WRITE	0x8000
111 #define MII_BCM54XX_SHD_VAL(x)	((x & 0x1f) << 10)
112 #define MII_BCM54XX_SHD_DATA(x)	((x & 0x3ff) << 0)
113 
114 #define MII_BCM54XX_RDB_ADDR	0x1e
115 #define MII_BCM54XX_RDB_DATA	0x1f
116 
117 /* legacy access control via rdb/expansion register */
118 #define BCM54XX_RDB_REG0087		0x0087
119 #define BCM54XX_EXP_REG7E		(MII_BCM54XX_EXP_SEL_ER + 0x7E)
120 #define BCM54XX_ACCESS_MODE_LEGACY_EN	BIT(15)
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_EN	0x0080
133 #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN	0x0100
134 #define MII_BCM54XX_AUXCTL_MISC_FORCE_AMDIX		0x0200
135 #define MII_BCM54XX_AUXCTL_MISC_WREN			0x8000
136 
137 #define MII_BCM54XX_AUXCTL_SHDWSEL_READ_SHIFT	12
138 #define MII_BCM54XX_AUXCTL_SHDWSEL_MASK	0x0007
139 
140 /*
141  * Broadcom LED source encodings.  These are used in BCM5461, BCM5481,
142  * BCM5482, and possibly some others.
143  */
144 #define BCM_LED_SRC_LINKSPD1	0x0
145 #define BCM_LED_SRC_LINKSPD2	0x1
146 #define BCM_LED_SRC_XMITLED	0x2
147 #define BCM_LED_SRC_ACTIVITYLED	0x3
148 #define BCM_LED_SRC_FDXLED	0x4
149 #define BCM_LED_SRC_SLAVE	0x5
150 #define BCM_LED_SRC_INTR	0x6
151 #define BCM_LED_SRC_QUALITY	0x7
152 #define BCM_LED_SRC_RCVLED	0x8
153 #define BCM_LED_SRC_WIRESPEED	0x9
154 #define BCM_LED_SRC_MULTICOLOR1	0xa
155 #define BCM_LED_SRC_OPENSHORT	0xb
156 #define BCM_LED_SRC_OFF		0xe	/* Tied high */
157 #define BCM_LED_SRC_ON		0xf	/* Tied low */
158 
159 /*
160  * Broadcom Multicolor LED configurations (expansion register 4)
161  */
162 #define BCM_EXP_MULTICOLOR		(MII_BCM54XX_EXP_SEL_ER + 0x04)
163 #define BCM_LED_MULTICOLOR_IN_PHASE	BIT(8)
164 #define BCM_LED_MULTICOLOR_LINK_ACT	0x0
165 #define BCM_LED_MULTICOLOR_SPEED	0x1
166 #define BCM_LED_MULTICOLOR_ACT_FLASH	0x2
167 #define BCM_LED_MULTICOLOR_FDX		0x3
168 #define BCM_LED_MULTICOLOR_OFF		0x4
169 #define BCM_LED_MULTICOLOR_ON		0x5
170 #define BCM_LED_MULTICOLOR_ALT		0x6
171 #define BCM_LED_MULTICOLOR_FLASH	0x7
172 #define BCM_LED_MULTICOLOR_LINK		0x8
173 #define BCM_LED_MULTICOLOR_ACT		0x9
174 #define BCM_LED_MULTICOLOR_PROGRAM	0xa
175 
176 /*
177  * BCM5482: Shadow registers
178  * Shadow values go into bits [14:10] of register 0x1c to select a shadow
179  * register to access.
180  */
181 
182 /* 00100: Reserved control register 2 */
183 #define BCM54XX_SHD_SCR2		0x04
184 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_DIS	0x100
185 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_SHIFT	2
186 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_OFFSET	2
187 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_MASK	0x7
188 
189 /* 00101: Spare Control Register 3 */
190 #define BCM54XX_SHD_SCR3		0x05
191 #define  BCM54XX_SHD_SCR3_DEF_CLK125	0x0001
192 #define  BCM54XX_SHD_SCR3_DLLAPD_DIS	0x0002
193 #define  BCM54XX_SHD_SCR3_TRDDAPD	0x0004
194 #define  BCM54XX_SHD_SCR3_RXCTXC_DIS	0x0100
195 
196 /* 01010: Auto Power-Down */
197 #define BCM54XX_SHD_APD			0x0a
198 #define  BCM_APD_CLR_MASK		0xFE9F /* clear bits 5, 6 & 8 */
199 #define  BCM54XX_SHD_APD_EN		0x0020
200 #define  BCM_NO_ANEG_APD_EN		0x0060 /* bits 5 & 6 */
201 #define  BCM_APD_SINGLELP_EN	0x0100 /* Bit 8 */
202 
203 #define BCM5482_SHD_LEDS1	0x0d	/* 01101: LED Selector 1 */
204 					/* LED3 / ~LINKSPD[2] selector */
205 #define BCM5482_SHD_LEDS1_LED3(src)	((src & 0xf) << 4)
206 					/* LED1 / ~LINKSPD[1] selector */
207 #define BCM5482_SHD_LEDS1_LED1(src)	((src & 0xf) << 0)
208 #define BCM54XX_SHD_RGMII_MODE	0x0b	/* 01011: RGMII Mode Selector */
209 #define BCM5482_SHD_SSD		0x14	/* 10100: Secondary SerDes control */
210 #define BCM5482_SHD_SSD_LEDM	0x0008	/* SSD LED Mode enable */
211 #define BCM5482_SHD_SSD_EN	0x0001	/* SSD enable */
212 
213 /* 10011: SerDes 100-FX Control Register */
214 #define BCM54616S_SHD_100FX_CTRL	0x13
215 #define	BCM54616S_100FX_MODE		BIT(0)	/* 100-FX SerDes Enable */
216 
217 /* 11111: Mode Control Register */
218 #define BCM54XX_SHD_MODE		0x1f
219 #define BCM54XX_SHD_INTF_SEL_MASK	GENMASK(2, 1)	/* INTERF_SEL[1:0] */
220 #define BCM54XX_SHD_INTF_SEL_RGMII	0x02
221 #define BCM54XX_SHD_INTF_SEL_SGMII	0x04
222 #define BCM54XX_SHD_INTF_SEL_GBIC	0x06
223 #define BCM54XX_SHD_MODE_1000BX		BIT(0)	/* Enable 1000-X registers */
224 
225 /*
226  * EXPANSION SHADOW ACCESS REGISTERS.  (PHY REG 0x15, 0x16, and 0x17)
227  */
228 #define MII_BCM54XX_EXP_AADJ1CH0		0x001f
229 #define  MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN	0x0200
230 #define  MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF	0x0100
231 #define MII_BCM54XX_EXP_AADJ1CH3		0x601f
232 #define  MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ	0x0002
233 #define MII_BCM54XX_EXP_EXP08			0x0F08
234 #define  MII_BCM54XX_EXP_EXP08_RJCT_2MHZ	0x0001
235 #define  MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE	0x0200
236 #define MII_BCM54XX_EXP_EXP75			0x0f75
237 #define  MII_BCM54XX_EXP_EXP75_VDACCTRL		0x003c
238 #define  MII_BCM54XX_EXP_EXP75_CM_OSC		0x0001
239 #define MII_BCM54XX_EXP_EXP96			0x0f96
240 #define  MII_BCM54XX_EXP_EXP96_MYST		0x0010
241 #define MII_BCM54XX_EXP_EXP97			0x0f97
242 #define  MII_BCM54XX_EXP_EXP97_MYST		0x0c0c
243 
244 /*
245  * BCM5482: Secondary SerDes registers
246  */
247 #define BCM5482_SSD_1000BX_CTL		0x00	/* 1000BASE-X Control */
248 #define BCM5482_SSD_1000BX_CTL_PWRDOWN	0x0800	/* Power-down SSD */
249 #define BCM5482_SSD_SGMII_SLAVE		0x15	/* SGMII Slave Register */
250 #define BCM5482_SSD_SGMII_SLAVE_EN	0x0002	/* Slave mode enable */
251 #define BCM5482_SSD_SGMII_SLAVE_AD	0x0001	/* Slave auto-detection */
252 
253 /* BCM54810 Registers */
254 #define BCM54810_EXP_BROADREACH_LRE_MISC_CTL	(MII_BCM54XX_EXP_SEL_ER + 0x90)
255 #define BCM54810_EXP_BROADREACH_LRE_MISC_CTL_EN	(1 << 0)
256 #define BCM54810_SHD_CLK_CTL			0x3
257 #define BCM54810_SHD_CLK_CTL_GTXCLK_EN		(1 << 9)
258 
259 /* BCM54612E Registers */
260 #define BCM54612E_EXP_SPARE0		(MII_BCM54XX_EXP_SEL_ETC + 0x34)
261 #define BCM54612E_LED4_CLK125OUT_EN	(1 << 1)
262 
263 /*****************************************************************************/
264 /* Fast Ethernet Transceiver definitions. */
265 /*****************************************************************************/
266 
267 #define MII_BRCM_FET_INTREG		0x1a	/* Interrupt register */
268 #define MII_BRCM_FET_IR_MASK		0x0100	/* Mask all interrupts */
269 #define MII_BRCM_FET_IR_LINK_EN		0x0200	/* Link status change enable */
270 #define MII_BRCM_FET_IR_SPEED_EN	0x0400	/* Link speed change enable */
271 #define MII_BRCM_FET_IR_DUPLEX_EN	0x0800	/* Duplex mode change enable */
272 #define MII_BRCM_FET_IR_ENABLE		0x4000	/* Interrupt enable */
273 
274 #define MII_BRCM_FET_BRCMTEST		0x1f	/* Brcm test register */
275 #define MII_BRCM_FET_BT_SRE		0x0080	/* Shadow register enable */
276 
277 
278 /*** Shadow register definitions ***/
279 
280 #define MII_BRCM_FET_SHDW_MISCCTRL	0x10	/* Shadow misc ctrl */
281 #define MII_BRCM_FET_SHDW_MC_FAME	0x4000	/* Force Auto MDIX enable */
282 
283 #define MII_BRCM_FET_SHDW_AUXMODE4	0x1a	/* Auxiliary mode 4 */
284 #define MII_BRCM_FET_SHDW_AM4_LED_MASK	0x0003
285 #define MII_BRCM_FET_SHDW_AM4_LED_MODE1 0x0001
286 
287 #define MII_BRCM_FET_SHDW_AUXSTAT2	0x1b	/* Auxiliary status 2 */
288 #define MII_BRCM_FET_SHDW_AS2_APDE	0x0020	/* Auto power down enable */
289 
290 #define BRCM_CL45VEN_EEE_CONTROL	0x803d
291 #define LPI_FEATURE_EN			0x8000
292 #define LPI_FEATURE_EN_DIG1000X		0x4000
293 
294 /* Core register definitions*/
295 #define MII_BRCM_CORE_BASE12	0x12
296 #define MII_BRCM_CORE_BASE13	0x13
297 #define MII_BRCM_CORE_BASE14	0x14
298 #define MII_BRCM_CORE_BASE1E	0x1E
299 #define MII_BRCM_CORE_EXPB0	0xB0
300 #define MII_BRCM_CORE_EXPB1	0xB1
301 
302 /* Enhanced Cable Diagnostics */
303 #define BCM54XX_RDB_ECD_CTRL			0x2a0
304 #define BCM54XX_EXP_ECD_CTRL			(MII_BCM54XX_EXP_SEL_ER + 0xc0)
305 
306 #define BCM54XX_ECD_CTRL_CABLE_TYPE_CAT3	1	/* CAT3 or worse */
307 #define BCM54XX_ECD_CTRL_CABLE_TYPE_CAT5	0	/* CAT5 or better */
308 #define BCM54XX_ECD_CTRL_CABLE_TYPE_MASK	BIT(0)	/* cable type */
309 #define BCM54XX_ECD_CTRL_INVALID		BIT(3)	/* invalid result */
310 #define BCM54XX_ECD_CTRL_UNIT_CM		0	/* centimeters */
311 #define BCM54XX_ECD_CTRL_UNIT_M			1	/* meters */
312 #define BCM54XX_ECD_CTRL_UNIT_MASK		BIT(10)	/* cable length unit */
313 #define BCM54XX_ECD_CTRL_IN_PROGRESS		BIT(11)	/* test in progress */
314 #define BCM54XX_ECD_CTRL_BREAK_LINK		BIT(12)	/* unconnect link
315 							 * during test
316 							 */
317 #define BCM54XX_ECD_CTRL_CROSS_SHORT_DIS	BIT(13)	/* disable inter-pair
318 							 * short check
319 							 */
320 #define BCM54XX_ECD_CTRL_RUN			BIT(15)	/* run immediate */
321 
322 #define BCM54XX_RDB_ECD_FAULT_TYPE		0x2a1
323 #define BCM54XX_EXP_ECD_FAULT_TYPE		(MII_BCM54XX_EXP_SEL_ER + 0xc1)
324 #define BCM54XX_ECD_FAULT_TYPE_INVALID		0x0
325 #define BCM54XX_ECD_FAULT_TYPE_OK		0x1
326 #define BCM54XX_ECD_FAULT_TYPE_OPEN		0x2
327 #define BCM54XX_ECD_FAULT_TYPE_SAME_SHORT	0x3 /* short same pair */
328 #define BCM54XX_ECD_FAULT_TYPE_CROSS_SHORT	0x4 /* short different pairs */
329 #define BCM54XX_ECD_FAULT_TYPE_BUSY		0x9
330 #define BCM54XX_ECD_FAULT_TYPE_PAIR_D_MASK	GENMASK(3, 0)
331 #define BCM54XX_ECD_FAULT_TYPE_PAIR_C_MASK	GENMASK(7, 4)
332 #define BCM54XX_ECD_FAULT_TYPE_PAIR_B_MASK	GENMASK(11, 8)
333 #define BCM54XX_ECD_FAULT_TYPE_PAIR_A_MASK	GENMASK(15, 12)
334 #define BCM54XX_ECD_PAIR_A_LENGTH_RESULTS	0x2a2
335 #define BCM54XX_ECD_PAIR_B_LENGTH_RESULTS	0x2a3
336 #define BCM54XX_ECD_PAIR_C_LENGTH_RESULTS	0x2a4
337 #define BCM54XX_ECD_PAIR_D_LENGTH_RESULTS	0x2a5
338 
339 #define BCM54XX_RDB_ECD_PAIR_A_LENGTH_RESULTS	0x2a2
340 #define BCM54XX_EXP_ECD_PAIR_A_LENGTH_RESULTS	(MII_BCM54XX_EXP_SEL_ER + 0xc2)
341 #define BCM54XX_RDB_ECD_PAIR_B_LENGTH_RESULTS	0x2a3
342 #define BCM54XX_EXP_ECD_PAIR_B_LENGTH_RESULTS	(MII_BCM54XX_EXP_SEL_ER + 0xc3)
343 #define BCM54XX_RDB_ECD_PAIR_C_LENGTH_RESULTS	0x2a4
344 #define BCM54XX_EXP_ECD_PAIR_C_LENGTH_RESULTS	(MII_BCM54XX_EXP_SEL_ER + 0xc4)
345 #define BCM54XX_RDB_ECD_PAIR_D_LENGTH_RESULTS	0x2a5
346 #define BCM54XX_EXP_ECD_PAIR_D_LENGTH_RESULTS	(MII_BCM54XX_EXP_SEL_ER + 0xc5)
347 #define BCM54XX_ECD_LENGTH_RESULTS_INVALID	0xffff
348 
349 #endif /* _LINUX_BRCMPHY_H */
350