xref: /openbmc/linux/include/linux/brcmphy.h (revision eb3fcf00)
1 #ifndef _LINUX_BRCMPHY_H
2 #define _LINUX_BRCMPHY_H
3 
4 #include <linux/phy.h>
5 
6 /* All Broadcom Ethernet switches have a pseudo-PHY at address 30 which is used
7  * to configure the switch internal registers via MDIO accesses.
8  */
9 #define BRCM_PSEUDO_PHY_ADDR           30
10 
11 #define PHY_ID_BCM50610			0x0143bd60
12 #define PHY_ID_BCM50610M		0x0143bd70
13 #define PHY_ID_BCM5241			0x0143bc30
14 #define PHY_ID_BCMAC131			0x0143bc70
15 #define PHY_ID_BCM5481			0x0143bca0
16 #define PHY_ID_BCM5482			0x0143bcb0
17 #define PHY_ID_BCM5411			0x00206070
18 #define PHY_ID_BCM5421			0x002060e0
19 #define PHY_ID_BCM5464			0x002060b0
20 #define PHY_ID_BCM5461			0x002060c0
21 #define PHY_ID_BCM54616S		0x03625d10
22 #define PHY_ID_BCM57780			0x03625d90
23 
24 #define PHY_ID_BCM7250			0xae025280
25 #define PHY_ID_BCM7364			0xae025260
26 #define PHY_ID_BCM7366			0x600d8490
27 #define PHY_ID_BCM7425			0x600d86b0
28 #define PHY_ID_BCM7429			0x600d8730
29 #define PHY_ID_BCM7439			0x600d8480
30 #define PHY_ID_BCM7439_2		0xae025080
31 #define PHY_ID_BCM7445			0x600d8510
32 
33 #define PHY_BCM_OUI_MASK		0xfffffc00
34 #define PHY_BCM_OUI_1			0x00206000
35 #define PHY_BCM_OUI_2			0x0143bc00
36 #define PHY_BCM_OUI_3			0x03625c00
37 #define PHY_BCM_OUI_4			0x600d8400
38 #define PHY_BCM_OUI_5			0x03625e00
39 #define PHY_BCM_OUI_6			0xae025000
40 
41 #define PHY_BCM_FLAGS_MODE_COPPER	0x00000001
42 #define PHY_BCM_FLAGS_MODE_1000BX	0x00000002
43 #define PHY_BCM_FLAGS_INTF_SGMII	0x00000010
44 #define PHY_BCM_FLAGS_INTF_XAUI		0x00000020
45 #define PHY_BRCM_WIRESPEED_ENABLE	0x00000100
46 #define PHY_BRCM_AUTO_PWRDWN_ENABLE	0x00000200
47 #define PHY_BRCM_RX_REFCLK_UNUSED	0x00000400
48 #define PHY_BRCM_STD_IBND_DISABLE	0x00000800
49 #define PHY_BRCM_EXT_IBND_RX_ENABLE	0x00001000
50 #define PHY_BRCM_EXT_IBND_TX_ENABLE	0x00002000
51 #define PHY_BRCM_CLEAR_RGMII_MODE	0x00004000
52 #define PHY_BRCM_DIS_TXCRXC_NOENRGY	0x00008000
53 /* Broadcom BCM7xxx specific workarounds */
54 #define PHY_BRCM_7XXX_REV(x)		(((x) >> 8) & 0xff)
55 #define PHY_BRCM_7XXX_PATCH(x)		((x) & 0xff)
56 #define PHY_BCM_FLAGS_VALID		0x80000000
57 
58 /* Broadcom BCM54XX register definitions, common to most Broadcom PHYs */
59 #define MII_BCM54XX_ECR		0x10	/* BCM54xx extended control register */
60 #define MII_BCM54XX_ECR_IM	0x1000	/* Interrupt mask */
61 #define MII_BCM54XX_ECR_IF	0x0800	/* Interrupt force */
62 
63 #define MII_BCM54XX_ESR		0x11	/* BCM54xx extended status register */
64 #define MII_BCM54XX_ESR_IS	0x1000	/* Interrupt status */
65 
66 #define MII_BCM54XX_EXP_DATA	0x15	/* Expansion register data */
67 #define MII_BCM54XX_EXP_SEL	0x17	/* Expansion register select */
68 #define MII_BCM54XX_EXP_SEL_SSD	0x0e00	/* Secondary SerDes select */
69 #define MII_BCM54XX_EXP_SEL_ER	0x0f00	/* Expansion register select */
70 
71 #define MII_BCM54XX_AUX_CTL	0x18	/* Auxiliary control register */
72 #define MII_BCM54XX_ISR		0x1a	/* BCM54xx interrupt status register */
73 #define MII_BCM54XX_IMR		0x1b	/* BCM54xx interrupt mask register */
74 #define MII_BCM54XX_INT_CRCERR	0x0001	/* CRC error */
75 #define MII_BCM54XX_INT_LINK	0x0002	/* Link status changed */
76 #define MII_BCM54XX_INT_SPEED	0x0004	/* Link speed change */
77 #define MII_BCM54XX_INT_DUPLEX	0x0008	/* Duplex mode changed */
78 #define MII_BCM54XX_INT_LRS	0x0010	/* Local receiver status changed */
79 #define MII_BCM54XX_INT_RRS	0x0020	/* Remote receiver status changed */
80 #define MII_BCM54XX_INT_SSERR	0x0040	/* Scrambler synchronization error */
81 #define MII_BCM54XX_INT_UHCD	0x0080	/* Unsupported HCD negotiated */
82 #define MII_BCM54XX_INT_NHCD	0x0100	/* No HCD */
83 #define MII_BCM54XX_INT_NHCDL	0x0200	/* No HCD link */
84 #define MII_BCM54XX_INT_ANPR	0x0400	/* Auto-negotiation page received */
85 #define MII_BCM54XX_INT_LC	0x0800	/* All counters below 128 */
86 #define MII_BCM54XX_INT_HC	0x1000	/* Counter above 32768 */
87 #define MII_BCM54XX_INT_MDIX	0x2000	/* MDIX status change */
88 #define MII_BCM54XX_INT_PSERR	0x4000	/* Pair swap error */
89 
90 #define MII_BCM54XX_SHD		0x1c	/* 0x1c shadow registers */
91 #define MII_BCM54XX_SHD_WRITE	0x8000
92 #define MII_BCM54XX_SHD_VAL(x)	((x & 0x1f) << 10)
93 #define MII_BCM54XX_SHD_DATA(x)	((x & 0x3ff) << 0)
94 
95 /*
96  * AUXILIARY CONTROL SHADOW ACCESS REGISTERS.  (PHY REG 0x18)
97  */
98 #define MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL	0x0000
99 #define MII_BCM54XX_AUXCTL_ACTL_TX_6DB		0x0400
100 #define MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA	0x0800
101 
102 #define MII_BCM54XX_AUXCTL_MISC_WREN	0x8000
103 #define MII_BCM54XX_AUXCTL_MISC_FORCE_AMDIX	0x0200
104 #define MII_BCM54XX_AUXCTL_MISC_RDSEL_MISC	0x7000
105 #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC	0x0007
106 
107 #define MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL	0x0000
108 
109 /*
110  * Broadcom LED source encodings.  These are used in BCM5461, BCM5481,
111  * BCM5482, and possibly some others.
112  */
113 #define BCM_LED_SRC_LINKSPD1	0x0
114 #define BCM_LED_SRC_LINKSPD2	0x1
115 #define BCM_LED_SRC_XMITLED	0x2
116 #define BCM_LED_SRC_ACTIVITYLED	0x3
117 #define BCM_LED_SRC_FDXLED	0x4
118 #define BCM_LED_SRC_SLAVE	0x5
119 #define BCM_LED_SRC_INTR	0x6
120 #define BCM_LED_SRC_QUALITY	0x7
121 #define BCM_LED_SRC_RCVLED	0x8
122 #define BCM_LED_SRC_MULTICOLOR1	0xa
123 #define BCM_LED_SRC_OPENSHORT	0xb
124 #define BCM_LED_SRC_OFF		0xe	/* Tied high */
125 #define BCM_LED_SRC_ON		0xf	/* Tied low */
126 
127 
128 /*
129  * BCM5482: Shadow registers
130  * Shadow values go into bits [14:10] of register 0x1c to select a shadow
131  * register to access.
132  */
133 /* 00101: Spare Control Register 3 */
134 #define BCM54XX_SHD_SCR3		0x05
135 #define  BCM54XX_SHD_SCR3_DEF_CLK125	0x0001
136 #define  BCM54XX_SHD_SCR3_DLLAPD_DIS	0x0002
137 #define  BCM54XX_SHD_SCR3_TRDDAPD	0x0004
138 
139 /* 01010: Auto Power-Down */
140 #define BCM54XX_SHD_APD			0x0a
141 #define  BCM54XX_SHD_APD_EN		0x0020
142 
143 #define BCM5482_SHD_LEDS1	0x0d	/* 01101: LED Selector 1 */
144 					/* LED3 / ~LINKSPD[2] selector */
145 #define BCM5482_SHD_LEDS1_LED3(src)	((src & 0xf) << 4)
146 					/* LED1 / ~LINKSPD[1] selector */
147 #define BCM5482_SHD_LEDS1_LED1(src)	((src & 0xf) << 0)
148 #define BCM54XX_SHD_RGMII_MODE	0x0b	/* 01011: RGMII Mode Selector */
149 #define BCM5482_SHD_SSD		0x14	/* 10100: Secondary SerDes control */
150 #define BCM5482_SHD_SSD_LEDM	0x0008	/* SSD LED Mode enable */
151 #define BCM5482_SHD_SSD_EN	0x0001	/* SSD enable */
152 #define BCM5482_SHD_MODE	0x1f	/* 11111: Mode Control Register */
153 #define BCM5482_SHD_MODE_1000BX	0x0001	/* Enable 1000BASE-X registers */
154 
155 
156 /*
157  * EXPANSION SHADOW ACCESS REGISTERS.  (PHY REG 0x15, 0x16, and 0x17)
158  */
159 #define MII_BCM54XX_EXP_AADJ1CH0		0x001f
160 #define  MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN	0x0200
161 #define  MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF	0x0100
162 #define MII_BCM54XX_EXP_AADJ1CH3		0x601f
163 #define  MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ	0x0002
164 #define MII_BCM54XX_EXP_EXP08			0x0F08
165 #define  MII_BCM54XX_EXP_EXP08_RJCT_2MHZ	0x0001
166 #define  MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE	0x0200
167 #define MII_BCM54XX_EXP_EXP75			0x0f75
168 #define  MII_BCM54XX_EXP_EXP75_VDACCTRL		0x003c
169 #define  MII_BCM54XX_EXP_EXP75_CM_OSC		0x0001
170 #define MII_BCM54XX_EXP_EXP96			0x0f96
171 #define  MII_BCM54XX_EXP_EXP96_MYST		0x0010
172 #define MII_BCM54XX_EXP_EXP97			0x0f97
173 #define  MII_BCM54XX_EXP_EXP97_MYST		0x0c0c
174 
175 /*
176  * BCM5482: Secondary SerDes registers
177  */
178 #define BCM5482_SSD_1000BX_CTL		0x00	/* 1000BASE-X Control */
179 #define BCM5482_SSD_1000BX_CTL_PWRDOWN	0x0800	/* Power-down SSD */
180 #define BCM5482_SSD_SGMII_SLAVE		0x15	/* SGMII Slave Register */
181 #define BCM5482_SSD_SGMII_SLAVE_EN	0x0002	/* Slave mode enable */
182 #define BCM5482_SSD_SGMII_SLAVE_AD	0x0001	/* Slave auto-detection */
183 
184 
185 /*****************************************************************************/
186 /* Fast Ethernet Transceiver definitions. */
187 /*****************************************************************************/
188 
189 #define MII_BRCM_FET_INTREG		0x1a	/* Interrupt register */
190 #define MII_BRCM_FET_IR_MASK		0x0100	/* Mask all interrupts */
191 #define MII_BRCM_FET_IR_LINK_EN		0x0200	/* Link status change enable */
192 #define MII_BRCM_FET_IR_SPEED_EN	0x0400	/* Link speed change enable */
193 #define MII_BRCM_FET_IR_DUPLEX_EN	0x0800	/* Duplex mode change enable */
194 #define MII_BRCM_FET_IR_ENABLE		0x4000	/* Interrupt enable */
195 
196 #define MII_BRCM_FET_BRCMTEST		0x1f	/* Brcm test register */
197 #define MII_BRCM_FET_BT_SRE		0x0080	/* Shadow register enable */
198 
199 
200 /*** Shadow register definitions ***/
201 
202 #define MII_BRCM_FET_SHDW_MISCCTRL	0x10	/* Shadow misc ctrl */
203 #define MII_BRCM_FET_SHDW_MC_FAME	0x4000	/* Force Auto MDIX enable */
204 
205 #define MII_BRCM_FET_SHDW_AUXMODE4	0x1a	/* Auxiliary mode 4 */
206 #define MII_BRCM_FET_SHDW_AM4_LED_MASK	0x0003
207 #define MII_BRCM_FET_SHDW_AM4_LED_MODE1 0x0001
208 
209 #define MII_BRCM_FET_SHDW_AUXSTAT2	0x1b	/* Auxiliary status 2 */
210 #define MII_BRCM_FET_SHDW_AS2_APDE	0x0020	/* Auto power down enable */
211 
212 /*
213  * Indirect register access functions for the 1000BASE-T/100BASE-TX/10BASE-T
214  * 0x1c shadow registers.
215  */
216 static inline int bcm54xx_shadow_read(struct phy_device *phydev, u16 shadow)
217 {
218 	phy_write(phydev, MII_BCM54XX_SHD, MII_BCM54XX_SHD_VAL(shadow));
219 	return MII_BCM54XX_SHD_DATA(phy_read(phydev, MII_BCM54XX_SHD));
220 }
221 
222 static inline int bcm54xx_shadow_write(struct phy_device *phydev, u16 shadow,
223 				       u16 val)
224 {
225 	return phy_write(phydev, MII_BCM54XX_SHD,
226 			 MII_BCM54XX_SHD_WRITE |
227 			 MII_BCM54XX_SHD_VAL(shadow) |
228 			 MII_BCM54XX_SHD_DATA(val));
229 }
230 
231 #define BRCM_CL45VEN_EEE_CONTROL	0x803d
232 #define LPI_FEATURE_EN			0x8000
233 #define LPI_FEATURE_EN_DIG1000X		0x4000
234 
235 #endif /* _LINUX_BRCMPHY_H */
236