xref: /openbmc/linux/include/linux/brcmphy.h (revision 1a18374f)
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_BCM54810			0x03625d00
19 #define PHY_ID_BCM5482			0x0143bcb0
20 #define PHY_ID_BCM5411			0x00206070
21 #define PHY_ID_BCM5421			0x002060e0
22 #define PHY_ID_BCM54210E		0x600d84a0
23 #define PHY_ID_BCM5464			0x002060b0
24 #define PHY_ID_BCM5461			0x002060c0
25 #define PHY_ID_BCM54612E		0x03625e60
26 #define PHY_ID_BCM54616S		0x03625d10
27 #define PHY_ID_BCM57780			0x03625d90
28 #define PHY_ID_BCM89610			0x03625cd0
29 
30 #define PHY_ID_BCM7250			0xae025280
31 #define PHY_ID_BCM7255			0xae025120
32 #define PHY_ID_BCM7260			0xae025190
33 #define PHY_ID_BCM7268			0xae025090
34 #define PHY_ID_BCM7271			0xae0253b0
35 #define PHY_ID_BCM7278			0xae0251a0
36 #define PHY_ID_BCM7364			0xae025260
37 #define PHY_ID_BCM7366			0x600d8490
38 #define PHY_ID_BCM7346			0x600d8650
39 #define PHY_ID_BCM7362			0x600d84b0
40 #define PHY_ID_BCM7425			0x600d86b0
41 #define PHY_ID_BCM7429			0x600d8730
42 #define PHY_ID_BCM7435			0x600d8750
43 #define PHY_ID_BCM74371			0xae0252e0
44 #define PHY_ID_BCM7439			0x600d8480
45 #define PHY_ID_BCM7439_2		0xae025080
46 #define PHY_ID_BCM7445			0x600d8510
47 
48 #define PHY_ID_BCM_CYGNUS		0xae025200
49 #define PHY_ID_BCM_OMEGA		0xae025100
50 
51 #define PHY_BCM_OUI_MASK		0xfffffc00
52 #define PHY_BCM_OUI_1			0x00206000
53 #define PHY_BCM_OUI_2			0x0143bc00
54 #define PHY_BCM_OUI_3			0x03625c00
55 #define PHY_BCM_OUI_4			0x600d8400
56 #define PHY_BCM_OUI_5			0x03625e00
57 #define PHY_BCM_OUI_6			0xae025000
58 
59 #define PHY_BCM_FLAGS_MODE_COPPER	0x00000001
60 #define PHY_BCM_FLAGS_MODE_1000BX	0x00000002
61 #define PHY_BCM_FLAGS_INTF_SGMII	0x00000010
62 #define PHY_BCM_FLAGS_INTF_XAUI		0x00000020
63 #define PHY_BRCM_WIRESPEED_ENABLE	0x00000100
64 #define PHY_BRCM_AUTO_PWRDWN_ENABLE	0x00000200
65 #define PHY_BRCM_RX_REFCLK_UNUSED	0x00000400
66 #define PHY_BRCM_STD_IBND_DISABLE	0x00000800
67 #define PHY_BRCM_EXT_IBND_RX_ENABLE	0x00001000
68 #define PHY_BRCM_EXT_IBND_TX_ENABLE	0x00002000
69 #define PHY_BRCM_CLEAR_RGMII_MODE	0x00004000
70 #define PHY_BRCM_DIS_TXCRXC_NOENRGY	0x00008000
71 #define PHY_BRCM_EN_MASTER_MODE		0x00010000
72 
73 /* Broadcom BCM7xxx specific workarounds */
74 #define PHY_BRCM_7XXX_REV(x)		(((x) >> 8) & 0xff)
75 #define PHY_BRCM_7XXX_PATCH(x)		((x) & 0xff)
76 #define PHY_BCM_FLAGS_VALID		0x80000000
77 
78 /* Broadcom BCM54XX register definitions, common to most Broadcom PHYs */
79 #define MII_BCM54XX_ECR		0x10	/* BCM54xx extended control register */
80 #define MII_BCM54XX_ECR_IM	0x1000	/* Interrupt mask */
81 #define MII_BCM54XX_ECR_IF	0x0800	/* Interrupt force */
82 
83 #define MII_BCM54XX_ESR		0x11	/* BCM54xx extended status register */
84 #define MII_BCM54XX_ESR_IS	0x1000	/* Interrupt status */
85 
86 #define MII_BCM54XX_EXP_DATA	0x15	/* Expansion register data */
87 #define MII_BCM54XX_EXP_SEL	0x17	/* Expansion register select */
88 #define MII_BCM54XX_EXP_SEL_SSD	0x0e00	/* Secondary SerDes select */
89 #define MII_BCM54XX_EXP_SEL_ER	0x0f00	/* Expansion register select */
90 #define MII_BCM54XX_EXP_SEL_ETC	0x0d00	/* Expansion register spare + 2k mem */
91 
92 #define MII_BCM54XX_AUX_CTL	0x18	/* Auxiliary control register */
93 #define MII_BCM54XX_ISR		0x1a	/* BCM54xx interrupt status register */
94 #define MII_BCM54XX_IMR		0x1b	/* BCM54xx interrupt mask register */
95 #define MII_BCM54XX_INT_CRCERR	0x0001	/* CRC error */
96 #define MII_BCM54XX_INT_LINK	0x0002	/* Link status changed */
97 #define MII_BCM54XX_INT_SPEED	0x0004	/* Link speed change */
98 #define MII_BCM54XX_INT_DUPLEX	0x0008	/* Duplex mode changed */
99 #define MII_BCM54XX_INT_LRS	0x0010	/* Local receiver status changed */
100 #define MII_BCM54XX_INT_RRS	0x0020	/* Remote receiver status changed */
101 #define MII_BCM54XX_INT_SSERR	0x0040	/* Scrambler synchronization error */
102 #define MII_BCM54XX_INT_UHCD	0x0080	/* Unsupported HCD negotiated */
103 #define MII_BCM54XX_INT_NHCD	0x0100	/* No HCD */
104 #define MII_BCM54XX_INT_NHCDL	0x0200	/* No HCD link */
105 #define MII_BCM54XX_INT_ANPR	0x0400	/* Auto-negotiation page received */
106 #define MII_BCM54XX_INT_LC	0x0800	/* All counters below 128 */
107 #define MII_BCM54XX_INT_HC	0x1000	/* Counter above 32768 */
108 #define MII_BCM54XX_INT_MDIX	0x2000	/* MDIX status change */
109 #define MII_BCM54XX_INT_PSERR	0x4000	/* Pair swap error */
110 
111 #define MII_BCM54XX_SHD		0x1c	/* 0x1c shadow registers */
112 #define MII_BCM54XX_SHD_WRITE	0x8000
113 #define MII_BCM54XX_SHD_VAL(x)	((x & 0x1f) << 10)
114 #define MII_BCM54XX_SHD_DATA(x)	((x & 0x3ff) << 0)
115 
116 /*
117  * AUXILIARY CONTROL SHADOW ACCESS REGISTERS.  (PHY REG 0x18)
118  */
119 #define MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL	0x00
120 #define MII_BCM54XX_AUXCTL_ACTL_TX_6DB		0x0400
121 #define MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA	0x0800
122 
123 #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC			0x07
124 #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_WIRESPEED_EN	0x0010
125 #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN	0x0100
126 #define MII_BCM54XX_AUXCTL_MISC_FORCE_AMDIX		0x0200
127 #define MII_BCM54XX_AUXCTL_MISC_WREN			0x8000
128 
129 #define MII_BCM54XX_AUXCTL_SHDWSEL_READ_SHIFT	12
130 #define MII_BCM54XX_AUXCTL_SHDWSEL_MASK	0x0007
131 
132 /*
133  * Broadcom LED source encodings.  These are used in BCM5461, BCM5481,
134  * BCM5482, and possibly some others.
135  */
136 #define BCM_LED_SRC_LINKSPD1	0x0
137 #define BCM_LED_SRC_LINKSPD2	0x1
138 #define BCM_LED_SRC_XMITLED	0x2
139 #define BCM_LED_SRC_ACTIVITYLED	0x3
140 #define BCM_LED_SRC_FDXLED	0x4
141 #define BCM_LED_SRC_SLAVE	0x5
142 #define BCM_LED_SRC_INTR	0x6
143 #define BCM_LED_SRC_QUALITY	0x7
144 #define BCM_LED_SRC_RCVLED	0x8
145 #define BCM_LED_SRC_WIRESPEED	0x9
146 #define BCM_LED_SRC_MULTICOLOR1	0xa
147 #define BCM_LED_SRC_OPENSHORT	0xb
148 #define BCM_LED_SRC_OFF		0xe	/* Tied high */
149 #define BCM_LED_SRC_ON		0xf	/* Tied low */
150 
151 /*
152  * Broadcom Multicolor LED configurations (expansion register 4)
153  */
154 #define BCM_EXP_MULTICOLOR		(MII_BCM54XX_EXP_SEL_ER + 0x04)
155 #define BCM_LED_MULTICOLOR_IN_PHASE	BIT(8)
156 #define BCM_LED_MULTICOLOR_LINK_ACT	0x0
157 #define BCM_LED_MULTICOLOR_SPEED	0x1
158 #define BCM_LED_MULTICOLOR_ACT_FLASH	0x2
159 #define BCM_LED_MULTICOLOR_FDX		0x3
160 #define BCM_LED_MULTICOLOR_OFF		0x4
161 #define BCM_LED_MULTICOLOR_ON		0x5
162 #define BCM_LED_MULTICOLOR_ALT		0x6
163 #define BCM_LED_MULTICOLOR_FLASH	0x7
164 #define BCM_LED_MULTICOLOR_LINK		0x8
165 #define BCM_LED_MULTICOLOR_ACT		0x9
166 #define BCM_LED_MULTICOLOR_PROGRAM	0xa
167 
168 /*
169  * BCM5482: Shadow registers
170  * Shadow values go into bits [14:10] of register 0x1c to select a shadow
171  * register to access.
172  */
173 
174 /* 00100: Reserved control register 2 */
175 #define BCM54XX_SHD_SCR2		0x04
176 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_DIS	0x100
177 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_SHIFT	2
178 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_OFFSET	2
179 #define  BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_MASK	0x7
180 
181 /* 00101: Spare Control Register 3 */
182 #define BCM54XX_SHD_SCR3		0x05
183 #define  BCM54XX_SHD_SCR3_DEF_CLK125	0x0001
184 #define  BCM54XX_SHD_SCR3_DLLAPD_DIS	0x0002
185 #define  BCM54XX_SHD_SCR3_TRDDAPD	0x0004
186 
187 /* 01010: Auto Power-Down */
188 #define BCM54XX_SHD_APD			0x0a
189 #define  BCM_APD_CLR_MASK		0xFE9F /* clear bits 5, 6 & 8 */
190 #define  BCM54XX_SHD_APD_EN		0x0020
191 #define  BCM_NO_ANEG_APD_EN		0x0060 /* bits 5 & 6 */
192 #define  BCM_APD_SINGLELP_EN	0x0100 /* Bit 8 */
193 
194 #define BCM5482_SHD_LEDS1	0x0d	/* 01101: LED Selector 1 */
195 					/* LED3 / ~LINKSPD[2] selector */
196 #define BCM5482_SHD_LEDS1_LED3(src)	((src & 0xf) << 4)
197 					/* LED1 / ~LINKSPD[1] selector */
198 #define BCM5482_SHD_LEDS1_LED1(src)	((src & 0xf) << 0)
199 #define BCM54XX_SHD_RGMII_MODE	0x0b	/* 01011: RGMII Mode Selector */
200 #define BCM5482_SHD_SSD		0x14	/* 10100: Secondary SerDes control */
201 #define BCM5482_SHD_SSD_LEDM	0x0008	/* SSD LED Mode enable */
202 #define BCM5482_SHD_SSD_EN	0x0001	/* SSD enable */
203 
204 /* 10011: SerDes 100-FX Control Register */
205 #define BCM54616S_SHD_100FX_CTRL	0x13
206 #define	BCM54616S_100FX_MODE		BIT(0)	/* 100-FX SerDes Enable */
207 
208 /* 11111: Mode Control Register */
209 #define BCM54XX_SHD_MODE		0x1f
210 #define BCM54XX_SHD_INTF_SEL_MASK	GENMASK(2, 1)	/* INTERF_SEL[1:0] */
211 #define BCM54XX_SHD_MODE_1000BX		BIT(0)	/* Enable 1000-X registers */
212 
213 /*
214  * EXPANSION SHADOW ACCESS REGISTERS.  (PHY REG 0x15, 0x16, and 0x17)
215  */
216 #define MII_BCM54XX_EXP_AADJ1CH0		0x001f
217 #define  MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN	0x0200
218 #define  MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF	0x0100
219 #define MII_BCM54XX_EXP_AADJ1CH3		0x601f
220 #define  MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ	0x0002
221 #define MII_BCM54XX_EXP_EXP08			0x0F08
222 #define  MII_BCM54XX_EXP_EXP08_RJCT_2MHZ	0x0001
223 #define  MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE	0x0200
224 #define MII_BCM54XX_EXP_EXP75			0x0f75
225 #define  MII_BCM54XX_EXP_EXP75_VDACCTRL		0x003c
226 #define  MII_BCM54XX_EXP_EXP75_CM_OSC		0x0001
227 #define MII_BCM54XX_EXP_EXP96			0x0f96
228 #define  MII_BCM54XX_EXP_EXP96_MYST		0x0010
229 #define MII_BCM54XX_EXP_EXP97			0x0f97
230 #define  MII_BCM54XX_EXP_EXP97_MYST		0x0c0c
231 
232 /*
233  * BCM5482: Secondary SerDes registers
234  */
235 #define BCM5482_SSD_1000BX_CTL		0x00	/* 1000BASE-X Control */
236 #define BCM5482_SSD_1000BX_CTL_PWRDOWN	0x0800	/* Power-down SSD */
237 #define BCM5482_SSD_SGMII_SLAVE		0x15	/* SGMII Slave Register */
238 #define BCM5482_SSD_SGMII_SLAVE_EN	0x0002	/* Slave mode enable */
239 #define BCM5482_SSD_SGMII_SLAVE_AD	0x0001	/* Slave auto-detection */
240 
241 /* BCM54810 Registers */
242 #define BCM54810_EXP_BROADREACH_LRE_MISC_CTL	(MII_BCM54XX_EXP_SEL_ER + 0x90)
243 #define BCM54810_EXP_BROADREACH_LRE_MISC_CTL_EN	(1 << 0)
244 #define BCM54810_SHD_CLK_CTL			0x3
245 #define BCM54810_SHD_CLK_CTL_GTXCLK_EN		(1 << 9)
246 
247 /* BCM54612E Registers */
248 #define BCM54612E_EXP_SPARE0		(MII_BCM54XX_EXP_SEL_ETC + 0x34)
249 #define BCM54612E_LED4_CLK125OUT_EN	(1 << 1)
250 
251 /*****************************************************************************/
252 /* Fast Ethernet Transceiver definitions. */
253 /*****************************************************************************/
254 
255 #define MII_BRCM_FET_INTREG		0x1a	/* Interrupt register */
256 #define MII_BRCM_FET_IR_MASK		0x0100	/* Mask all interrupts */
257 #define MII_BRCM_FET_IR_LINK_EN		0x0200	/* Link status change enable */
258 #define MII_BRCM_FET_IR_SPEED_EN	0x0400	/* Link speed change enable */
259 #define MII_BRCM_FET_IR_DUPLEX_EN	0x0800	/* Duplex mode change enable */
260 #define MII_BRCM_FET_IR_ENABLE		0x4000	/* Interrupt enable */
261 
262 #define MII_BRCM_FET_BRCMTEST		0x1f	/* Brcm test register */
263 #define MII_BRCM_FET_BT_SRE		0x0080	/* Shadow register enable */
264 
265 
266 /*** Shadow register definitions ***/
267 
268 #define MII_BRCM_FET_SHDW_MISCCTRL	0x10	/* Shadow misc ctrl */
269 #define MII_BRCM_FET_SHDW_MC_FAME	0x4000	/* Force Auto MDIX enable */
270 
271 #define MII_BRCM_FET_SHDW_AUXMODE4	0x1a	/* Auxiliary mode 4 */
272 #define MII_BRCM_FET_SHDW_AM4_LED_MASK	0x0003
273 #define MII_BRCM_FET_SHDW_AM4_LED_MODE1 0x0001
274 
275 #define MII_BRCM_FET_SHDW_AUXSTAT2	0x1b	/* Auxiliary status 2 */
276 #define MII_BRCM_FET_SHDW_AS2_APDE	0x0020	/* Auto power down enable */
277 
278 #define BRCM_CL45VEN_EEE_CONTROL	0x803d
279 #define LPI_FEATURE_EN			0x8000
280 #define LPI_FEATURE_EN_DIG1000X		0x4000
281 
282 /* Core register definitions*/
283 #define MII_BRCM_CORE_BASE12	0x12
284 #define MII_BRCM_CORE_BASE13	0x13
285 #define MII_BRCM_CORE_BASE14	0x14
286 #define MII_BRCM_CORE_BASE1E	0x1E
287 #define MII_BRCM_CORE_EXPB0	0xB0
288 #define MII_BRCM_CORE_EXPB1	0xB1
289 
290 #endif /* _LINUX_BRCMPHY_H */
291