blob: ace0ccc87a00e5ee50db8f5779a91ed5250430cb [file] [log] [blame]
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +01001/*
2 * drivers/net/phy/broadcom.c
3 *
4 * Broadcom BCM5411, BCM5421 and BCM5461 Gigabit Ethernet
5 * transceivers.
6 *
7 * Copyright (c) 2006 Maciej W. Rozycki
8 *
9 * Inspired by code written by Amy Fong.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version
14 * 2 of the License, or (at your option) any later version.
15 */
16
17#include <linux/module.h>
18#include <linux/phy.h>
Matt Carlson8649f132009-11-02 14:30:00 +000019#include <linux/brcmphy.h>
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +010020
Matt Carlson772638b2008-11-03 16:56:51 -080021#define PHY_ID_BCM50610 0x0143bd60
Matt Carlson4f4598f2009-08-25 10:10:30 +000022#define PHY_ID_BCM50610M 0x0143bd70
Matt Carlsond9221e62009-08-25 10:11:26 +000023#define PHY_ID_BCM57780 0x03625d90
24
25#define BRCM_PHY_MODEL(phydev) \
26 ((phydev)->drv->phy_id & (phydev)->drv->phy_id_mask)
27
Matt Carlson772638b2008-11-03 16:56:51 -080028
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +010029#define MII_BCM54XX_ECR 0x10 /* BCM54xx extended control register */
30#define MII_BCM54XX_ECR_IM 0x1000 /* Interrupt mask */
31#define MII_BCM54XX_ECR_IF 0x0800 /* Interrupt force */
32
33#define MII_BCM54XX_ESR 0x11 /* BCM54xx extended status register */
34#define MII_BCM54XX_ESR_IS 0x1000 /* Interrupt status */
35
Nate Casecd9af3d2008-05-17 06:40:39 +010036#define MII_BCM54XX_EXP_DATA 0x15 /* Expansion register data */
37#define MII_BCM54XX_EXP_SEL 0x17 /* Expansion register select */
38#define MII_BCM54XX_EXP_SEL_SSD 0x0e00 /* Secondary SerDes select */
39#define MII_BCM54XX_EXP_SEL_ER 0x0f00 /* Expansion register select */
40
41#define MII_BCM54XX_AUX_CTL 0x18 /* Auxiliary control register */
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +010042#define MII_BCM54XX_ISR 0x1a /* BCM54xx interrupt status register */
43#define MII_BCM54XX_IMR 0x1b /* BCM54xx interrupt mask register */
44#define MII_BCM54XX_INT_CRCERR 0x0001 /* CRC error */
45#define MII_BCM54XX_INT_LINK 0x0002 /* Link status changed */
46#define MII_BCM54XX_INT_SPEED 0x0004 /* Link speed change */
47#define MII_BCM54XX_INT_DUPLEX 0x0008 /* Duplex mode changed */
48#define MII_BCM54XX_INT_LRS 0x0010 /* Local receiver status changed */
49#define MII_BCM54XX_INT_RRS 0x0020 /* Remote receiver status changed */
50#define MII_BCM54XX_INT_SSERR 0x0040 /* Scrambler synchronization error */
51#define MII_BCM54XX_INT_UHCD 0x0080 /* Unsupported HCD negotiated */
52#define MII_BCM54XX_INT_NHCD 0x0100 /* No HCD */
53#define MII_BCM54XX_INT_NHCDL 0x0200 /* No HCD link */
54#define MII_BCM54XX_INT_ANPR 0x0400 /* Auto-negotiation page received */
55#define MII_BCM54XX_INT_LC 0x0800 /* All counters below 128 */
56#define MII_BCM54XX_INT_HC 0x1000 /* Counter above 32768 */
57#define MII_BCM54XX_INT_MDIX 0x2000 /* MDIX status change */
58#define MII_BCM54XX_INT_PSERR 0x4000 /* Pair swap error */
59
Nate Casecd9af3d2008-05-17 06:40:39 +010060#define MII_BCM54XX_SHD 0x1c /* 0x1c shadow registers */
61#define MII_BCM54XX_SHD_WRITE 0x8000
62#define MII_BCM54XX_SHD_VAL(x) ((x & 0x1f) << 10)
63#define MII_BCM54XX_SHD_DATA(x) ((x & 0x3ff) << 0)
64
65/*
Matt Carlson772638b2008-11-03 16:56:51 -080066 * AUXILIARY CONTROL SHADOW ACCESS REGISTERS. (PHY REG 0x18)
67 */
68#define MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL 0x0000
69#define MII_BCM54XX_AUXCTL_ACTL_TX_6DB 0x0400
70#define MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA 0x0800
71
72#define MII_BCM54XX_AUXCTL_MISC_WREN 0x8000
73#define MII_BCM54XX_AUXCTL_MISC_FORCE_AMDIX 0x0200
74#define MII_BCM54XX_AUXCTL_MISC_RDSEL_MISC 0x7000
75#define MII_BCM54XX_AUXCTL_SHDWSEL_MISC 0x0007
76
77#define MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL 0x0000
78
79
80/*
Nate Casecd9af3d2008-05-17 06:40:39 +010081 * Broadcom LED source encodings. These are used in BCM5461, BCM5481,
82 * BCM5482, and possibly some others.
83 */
84#define BCM_LED_SRC_LINKSPD1 0x0
85#define BCM_LED_SRC_LINKSPD2 0x1
86#define BCM_LED_SRC_XMITLED 0x2
87#define BCM_LED_SRC_ACTIVITYLED 0x3
88#define BCM_LED_SRC_FDXLED 0x4
89#define BCM_LED_SRC_SLAVE 0x5
90#define BCM_LED_SRC_INTR 0x6
91#define BCM_LED_SRC_QUALITY 0x7
92#define BCM_LED_SRC_RCVLED 0x8
93#define BCM_LED_SRC_MULTICOLOR1 0xa
94#define BCM_LED_SRC_OPENSHORT 0xb
95#define BCM_LED_SRC_OFF 0xe /* Tied high */
96#define BCM_LED_SRC_ON 0xf /* Tied low */
97
98/*
99 * BCM5482: Shadow registers
100 * Shadow values go into bits [14:10] of register 0x1c to select a shadow
101 * register to access.
102 */
103#define BCM5482_SHD_LEDS1 0x0d /* 01101: LED Selector 1 */
104 /* LED3 / ~LINKSPD[2] selector */
105#define BCM5482_SHD_LEDS1_LED3(src) ((src & 0xf) << 4)
106 /* LED1 / ~LINKSPD[1] selector */
107#define BCM5482_SHD_LEDS1_LED1(src) ((src & 0xf) << 0)
108#define BCM5482_SHD_SSD 0x14 /* 10100: Secondary SerDes control */
109#define BCM5482_SHD_SSD_LEDM 0x0008 /* SSD LED Mode enable */
110#define BCM5482_SHD_SSD_EN 0x0001 /* SSD enable */
111#define BCM5482_SHD_MODE 0x1f /* 11111: Mode Control Register */
112#define BCM5482_SHD_MODE_1000BX 0x0001 /* Enable 1000BASE-X registers */
113
114/*
Matt Carlson772638b2008-11-03 16:56:51 -0800115 * EXPANSION SHADOW ACCESS REGISTERS. (PHY REG 0x15, 0x16, and 0x17)
116 */
117#define MII_BCM54XX_EXP_AADJ1CH0 0x001f
118#define MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN 0x0200
119#define MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF 0x0100
120#define MII_BCM54XX_EXP_AADJ1CH3 0x601f
121#define MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ 0x0002
122#define MII_BCM54XX_EXP_EXP08 0x0F08
123#define MII_BCM54XX_EXP_EXP08_RJCT_2MHZ 0x0001
124#define MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE 0x0200
125#define MII_BCM54XX_EXP_EXP75 0x0f75
126#define MII_BCM54XX_EXP_EXP75_VDACCTRL 0x003c
Matt Carlsond9221e62009-08-25 10:11:26 +0000127#define MII_BCM54XX_EXP_EXP75_CM_OSC 0x0001
Matt Carlson772638b2008-11-03 16:56:51 -0800128#define MII_BCM54XX_EXP_EXP96 0x0f96
129#define MII_BCM54XX_EXP_EXP96_MYST 0x0010
130#define MII_BCM54XX_EXP_EXP97 0x0f97
131#define MII_BCM54XX_EXP_EXP97_MYST 0x0c0c
132
133/*
Nate Casecd9af3d2008-05-17 06:40:39 +0100134 * BCM5482: Secondary SerDes registers
135 */
136#define BCM5482_SSD_1000BX_CTL 0x00 /* 1000BASE-X Control */
137#define BCM5482_SSD_1000BX_CTL_PWRDOWN 0x0800 /* Power-down SSD */
138#define BCM5482_SSD_SGMII_SLAVE 0x15 /* SGMII Slave Register */
139#define BCM5482_SSD_SGMII_SLAVE_EN 0x0002 /* Slave mode enable */
140#define BCM5482_SSD_SGMII_SLAVE_AD 0x0001 /* Slave auto-detection */
141
Matt Carlsond7a2ed92009-08-25 10:10:58 +0000142
143/*****************************************************************************/
144/* Fast Ethernet Transceiver definitions. */
145/*****************************************************************************/
146
147#define MII_BRCM_FET_INTREG 0x1a /* Interrupt register */
148#define MII_BRCM_FET_IR_MASK 0x0100 /* Mask all interrupts */
149#define MII_BRCM_FET_IR_LINK_EN 0x0200 /* Link status change enable */
150#define MII_BRCM_FET_IR_SPEED_EN 0x0400 /* Link speed change enable */
151#define MII_BRCM_FET_IR_DUPLEX_EN 0x0800 /* Duplex mode change enable */
152#define MII_BRCM_FET_IR_ENABLE 0x4000 /* Interrupt enable */
153
154#define MII_BRCM_FET_BRCMTEST 0x1f /* Brcm test register */
155#define MII_BRCM_FET_BT_SRE 0x0080 /* Shadow register enable */
156
157
158/*** Shadow register definitions ***/
159
160#define MII_BRCM_FET_SHDW_MISCCTRL 0x10 /* Shadow misc ctrl */
161#define MII_BRCM_FET_SHDW_MC_FAME 0x4000 /* Force Auto MDIX enable */
162
163#define MII_BRCM_FET_SHDW_AUXMODE4 0x1a /* Auxiliary mode 4 */
164#define MII_BRCM_FET_SHDW_AM4_LED_MASK 0x0003
165#define MII_BRCM_FET_SHDW_AM4_LED_MODE1 0x0001
166
167#define MII_BRCM_FET_SHDW_AUXSTAT2 0x1b /* Auxiliary status 2 */
168#define MII_BRCM_FET_SHDW_AS2_APDE 0x0020 /* Auto power down enable */
169
170
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100171MODULE_DESCRIPTION("Broadcom PHY driver");
172MODULE_AUTHOR("Maciej W. Rozycki");
173MODULE_LICENSE("GPL");
174
Nate Casecd9af3d2008-05-17 06:40:39 +0100175/*
176 * Indirect register access functions for the 1000BASE-T/100BASE-TX/10BASE-T
177 * 0x1c shadow registers.
178 */
179static int bcm54xx_shadow_read(struct phy_device *phydev, u16 shadow)
180{
181 phy_write(phydev, MII_BCM54XX_SHD, MII_BCM54XX_SHD_VAL(shadow));
182 return MII_BCM54XX_SHD_DATA(phy_read(phydev, MII_BCM54XX_SHD));
183}
184
185static int bcm54xx_shadow_write(struct phy_device *phydev, u16 shadow, u16 val)
186{
187 return phy_write(phydev, MII_BCM54XX_SHD,
188 MII_BCM54XX_SHD_WRITE |
189 MII_BCM54XX_SHD_VAL(shadow) |
190 MII_BCM54XX_SHD_DATA(val));
191}
192
Matt Carlson042a75b2008-11-03 16:56:29 -0800193/* Indirect register access functions for the Expansion Registers */
Matt Carlsond9221e62009-08-25 10:11:26 +0000194static int bcm54xx_exp_read(struct phy_device *phydev, u16 regnum)
Nate Casecd9af3d2008-05-17 06:40:39 +0100195{
196 int val;
197
Matt Carlson042a75b2008-11-03 16:56:29 -0800198 val = phy_write(phydev, MII_BCM54XX_EXP_SEL, regnum);
199 if (val < 0)
200 return val;
201
Nate Casecd9af3d2008-05-17 06:40:39 +0100202 val = phy_read(phydev, MII_BCM54XX_EXP_DATA);
Matt Carlson042a75b2008-11-03 16:56:29 -0800203
204 /* Restore default value. It's O.K. if this write fails. */
205 phy_write(phydev, MII_BCM54XX_EXP_SEL, 0);
Nate Casecd9af3d2008-05-17 06:40:39 +0100206
207 return val;
208}
209
Matt Carlson772638b2008-11-03 16:56:51 -0800210static int bcm54xx_exp_write(struct phy_device *phydev, u16 regnum, u16 val)
Nate Casecd9af3d2008-05-17 06:40:39 +0100211{
212 int ret;
213
Matt Carlson042a75b2008-11-03 16:56:29 -0800214 ret = phy_write(phydev, MII_BCM54XX_EXP_SEL, regnum);
215 if (ret < 0)
216 return ret;
217
Nate Casecd9af3d2008-05-17 06:40:39 +0100218 ret = phy_write(phydev, MII_BCM54XX_EXP_DATA, val);
Matt Carlson042a75b2008-11-03 16:56:29 -0800219
220 /* Restore default value. It's O.K. if this write fails. */
221 phy_write(phydev, MII_BCM54XX_EXP_SEL, 0);
Nate Casecd9af3d2008-05-17 06:40:39 +0100222
223 return ret;
224}
225
Matt Carlson772638b2008-11-03 16:56:51 -0800226static int bcm54xx_auxctl_write(struct phy_device *phydev, u16 regnum, u16 val)
227{
228 return phy_write(phydev, MII_BCM54XX_AUX_CTL, regnum | val);
229}
230
Matt Carlson47b1b532009-11-02 14:28:04 +0000231/* Needs SMDSP clock enabled via bcm54xx_phydsp_config() */
Matt Carlson772638b2008-11-03 16:56:51 -0800232static int bcm50610_a0_workaround(struct phy_device *phydev)
233{
234 int err;
235
Matt Carlson47b1b532009-11-02 14:28:04 +0000236 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_AADJ1CH0,
237 MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN |
238 MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF);
239 if (err < 0)
240 return err;
241
242 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_AADJ1CH3,
243 MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ);
244 if (err < 0)
245 return err;
246
247 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP75,
248 MII_BCM54XX_EXP_EXP75_VDACCTRL);
249 if (err < 0)
250 return err;
251
252 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP96,
253 MII_BCM54XX_EXP_EXP96_MYST);
254 if (err < 0)
255 return err;
256
257 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP97,
258 MII_BCM54XX_EXP_EXP97_MYST);
259
260 return err;
261}
262
263static int bcm54xx_phydsp_config(struct phy_device *phydev)
264{
265 int err, err2;
266
267 /* Enable the SMDSP clock */
Matt Carlson772638b2008-11-03 16:56:51 -0800268 err = bcm54xx_auxctl_write(phydev,
269 MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
270 MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA |
271 MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
272 if (err < 0)
273 return err;
274
Matt Carlson219c6ef2009-11-02 14:28:33 +0000275 if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610 ||
276 BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610M) {
277 /* Clear bit 9 to fix a phy interop issue. */
278 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP08,
279 MII_BCM54XX_EXP_EXP08_RJCT_2MHZ);
280 if (err < 0)
281 goto error;
282
283 if (phydev->drv->phy_id == PHY_ID_BCM50610) {
284 err = bcm50610_a0_workaround(phydev);
285 if (err < 0)
286 goto error;
287 }
288 }
Matt Carlson772638b2008-11-03 16:56:51 -0800289
Matt Carlson47b1b532009-11-02 14:28:04 +0000290 if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM57780) {
291 int val;
Matt Carlson772638b2008-11-03 16:56:51 -0800292
Matt Carlson47b1b532009-11-02 14:28:04 +0000293 val = bcm54xx_exp_read(phydev, MII_BCM54XX_EXP_EXP75);
294 if (val < 0)
295 goto error;
Matt Carlson772638b2008-11-03 16:56:51 -0800296
Matt Carlson47b1b532009-11-02 14:28:04 +0000297 val |= MII_BCM54XX_EXP_EXP75_CM_OSC;
298 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP75, val);
299 }
Matt Carlson772638b2008-11-03 16:56:51 -0800300
301error:
Matt Carlson47b1b532009-11-02 14:28:04 +0000302 /* Disable the SMDSP clock */
303 err2 = bcm54xx_auxctl_write(phydev,
304 MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
305 MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
Matt Carlson772638b2008-11-03 16:56:51 -0800306
Matt Carlson47b1b532009-11-02 14:28:04 +0000307 /* Return the first error reported. */
308 return err ? err : err2;
Matt Carlson772638b2008-11-03 16:56:51 -0800309}
310
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100311static int bcm54xx_config_init(struct phy_device *phydev)
312{
313 int reg, err;
314
315 reg = phy_read(phydev, MII_BCM54XX_ECR);
316 if (reg < 0)
317 return reg;
318
319 /* Mask interrupts globally. */
320 reg |= MII_BCM54XX_ECR_IM;
321 err = phy_write(phydev, MII_BCM54XX_ECR, reg);
322 if (err < 0)
323 return err;
324
325 /* Unmask events we are interested in. */
326 reg = ~(MII_BCM54XX_INT_DUPLEX |
327 MII_BCM54XX_INT_SPEED |
328 MII_BCM54XX_INT_LINK);
329 err = phy_write(phydev, MII_BCM54XX_IMR, reg);
330 if (err < 0)
331 return err;
Matt Carlson772638b2008-11-03 16:56:51 -0800332
Matt Carlson47b1b532009-11-02 14:28:04 +0000333 bcm54xx_phydsp_config(phydev);
Matt Carlsond9221e62009-08-25 10:11:26 +0000334
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100335 return 0;
336}
337
Nate Casecd9af3d2008-05-17 06:40:39 +0100338static int bcm5482_config_init(struct phy_device *phydev)
339{
340 int err, reg;
341
342 err = bcm54xx_config_init(phydev);
343
344 if (phydev->dev_flags & PHY_BCM_FLAGS_MODE_1000BX) {
345 /*
346 * Enable secondary SerDes and its use as an LED source
347 */
348 reg = bcm54xx_shadow_read(phydev, BCM5482_SHD_SSD);
349 bcm54xx_shadow_write(phydev, BCM5482_SHD_SSD,
350 reg |
351 BCM5482_SHD_SSD_LEDM |
352 BCM5482_SHD_SSD_EN);
353
354 /*
355 * Enable SGMII slave mode and auto-detection
356 */
Matt Carlson042a75b2008-11-03 16:56:29 -0800357 reg = BCM5482_SSD_SGMII_SLAVE | MII_BCM54XX_EXP_SEL_SSD;
358 err = bcm54xx_exp_read(phydev, reg);
359 if (err < 0)
360 return err;
361 err = bcm54xx_exp_write(phydev, reg, err |
362 BCM5482_SSD_SGMII_SLAVE_EN |
363 BCM5482_SSD_SGMII_SLAVE_AD);
364 if (err < 0)
365 return err;
Nate Casecd9af3d2008-05-17 06:40:39 +0100366
367 /*
368 * Disable secondary SerDes powerdown
369 */
Matt Carlson042a75b2008-11-03 16:56:29 -0800370 reg = BCM5482_SSD_1000BX_CTL | MII_BCM54XX_EXP_SEL_SSD;
371 err = bcm54xx_exp_read(phydev, reg);
372 if (err < 0)
373 return err;
374 err = bcm54xx_exp_write(phydev, reg,
375 err & ~BCM5482_SSD_1000BX_CTL_PWRDOWN);
376 if (err < 0)
377 return err;
Nate Casecd9af3d2008-05-17 06:40:39 +0100378
379 /*
380 * Select 1000BASE-X register set (primary SerDes)
381 */
382 reg = bcm54xx_shadow_read(phydev, BCM5482_SHD_MODE);
383 bcm54xx_shadow_write(phydev, BCM5482_SHD_MODE,
384 reg | BCM5482_SHD_MODE_1000BX);
385
386 /*
387 * LED1=ACTIVITYLED, LED3=LINKSPD[2]
388 * (Use LED1 as secondary SerDes ACTIVITY LED)
389 */
390 bcm54xx_shadow_write(phydev, BCM5482_SHD_LEDS1,
391 BCM5482_SHD_LEDS1_LED1(BCM_LED_SRC_ACTIVITYLED) |
392 BCM5482_SHD_LEDS1_LED3(BCM_LED_SRC_LINKSPD2));
393
394 /*
395 * Auto-negotiation doesn't seem to work quite right
396 * in this mode, so we disable it and force it to the
397 * right speed/duplex setting. Only 'link status'
398 * is important.
399 */
400 phydev->autoneg = AUTONEG_DISABLE;
401 phydev->speed = SPEED_1000;
402 phydev->duplex = DUPLEX_FULL;
403 }
404
405 return err;
406}
407
408static int bcm5482_read_status(struct phy_device *phydev)
409{
410 int err;
411
412 err = genphy_read_status(phydev);
413
414 if (phydev->dev_flags & PHY_BCM_FLAGS_MODE_1000BX) {
415 /*
416 * Only link status matters for 1000Base-X mode, so force
417 * 1000 Mbit/s full-duplex status
418 */
419 if (phydev->link) {
420 phydev->speed = SPEED_1000;
421 phydev->duplex = DUPLEX_FULL;
422 }
423 }
424
425 return err;
426}
427
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100428static int bcm54xx_ack_interrupt(struct phy_device *phydev)
429{
430 int reg;
431
432 /* Clear pending interrupts. */
433 reg = phy_read(phydev, MII_BCM54XX_ISR);
434 if (reg < 0)
435 return reg;
436
437 return 0;
438}
439
440static int bcm54xx_config_intr(struct phy_device *phydev)
441{
442 int reg, err;
443
444 reg = phy_read(phydev, MII_BCM54XX_ECR);
445 if (reg < 0)
446 return reg;
447
448 if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
449 reg &= ~MII_BCM54XX_ECR_IM;
450 else
451 reg |= MII_BCM54XX_ECR_IM;
452
453 err = phy_write(phydev, MII_BCM54XX_ECR, reg);
454 return err;
455}
456
Anton Vorontsov57bb7e22008-03-04 19:41:32 +0300457static int bcm5481_config_aneg(struct phy_device *phydev)
458{
459 int ret;
460
461 /* Aneg firsly. */
462 ret = genphy_config_aneg(phydev);
463
464 /* Then we can set up the delay. */
465 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
466 u16 reg;
467
468 /*
469 * There is no BCM5481 specification available, so down
470 * here is everything we know about "register 0x18". This
471 * at least helps BCM5481 to successfuly receive packets
472 * on MPC8360E-RDK board. Peter Barada <peterb@logicpd.com>
473 * says: "This sets delay between the RXD and RXC signals
474 * instead of using trace lengths to achieve timing".
475 */
476
477 /* Set RDX clk delay. */
478 reg = 0x7 | (0x7 << 12);
479 phy_write(phydev, 0x18, reg);
480
481 reg = phy_read(phydev, 0x18);
482 /* Set RDX-RXC skew. */
483 reg |= (1 << 8);
484 /* Write bits 14:0. */
485 reg |= (1 << 15);
486 phy_write(phydev, 0x18, reg);
487 }
488
489 return ret;
490}
491
Matt Carlsond7a2ed92009-08-25 10:10:58 +0000492static int brcm_phy_setbits(struct phy_device *phydev, int reg, int set)
493{
494 int val;
495
496 val = phy_read(phydev, reg);
497 if (val < 0)
498 return val;
499
500 return phy_write(phydev, reg, val | set);
501}
502
503static int brcm_fet_config_init(struct phy_device *phydev)
504{
505 int reg, err, err2, brcmtest;
506
507 /* Reset the PHY to bring it to a known state. */
508 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
509 if (err < 0)
510 return err;
511
512 reg = phy_read(phydev, MII_BRCM_FET_INTREG);
513 if (reg < 0)
514 return reg;
515
516 /* Unmask events we are interested in and mask interrupts globally. */
517 reg = MII_BRCM_FET_IR_DUPLEX_EN |
518 MII_BRCM_FET_IR_SPEED_EN |
519 MII_BRCM_FET_IR_LINK_EN |
520 MII_BRCM_FET_IR_ENABLE |
521 MII_BRCM_FET_IR_MASK;
522
523 err = phy_write(phydev, MII_BRCM_FET_INTREG, reg);
524 if (err < 0)
525 return err;
526
527 /* Enable shadow register access */
528 brcmtest = phy_read(phydev, MII_BRCM_FET_BRCMTEST);
529 if (brcmtest < 0)
530 return brcmtest;
531
532 reg = brcmtest | MII_BRCM_FET_BT_SRE;
533
534 err = phy_write(phydev, MII_BRCM_FET_BRCMTEST, reg);
535 if (err < 0)
536 return err;
537
538 /* Set the LED mode */
539 reg = phy_read(phydev, MII_BRCM_FET_SHDW_AUXMODE4);
540 if (reg < 0) {
541 err = reg;
542 goto done;
543 }
544
545 reg &= ~MII_BRCM_FET_SHDW_AM4_LED_MASK;
546 reg |= MII_BRCM_FET_SHDW_AM4_LED_MODE1;
547
548 err = phy_write(phydev, MII_BRCM_FET_SHDW_AUXMODE4, reg);
549 if (err < 0)
550 goto done;
551
552 /* Enable auto MDIX */
553 err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_MISCCTRL,
554 MII_BRCM_FET_SHDW_MC_FAME);
555 if (err < 0)
556 goto done;
557
558 /* Enable auto power down */
559 err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_AUXSTAT2,
560 MII_BRCM_FET_SHDW_AS2_APDE);
561
562done:
563 /* Disable shadow register access */
564 err2 = phy_write(phydev, MII_BRCM_FET_BRCMTEST, brcmtest);
565 if (!err)
566 err = err2;
567
568 return err;
569}
570
571static int brcm_fet_ack_interrupt(struct phy_device *phydev)
572{
573 int reg;
574
575 /* Clear pending interrupts. */
576 reg = phy_read(phydev, MII_BRCM_FET_INTREG);
577 if (reg < 0)
578 return reg;
579
580 return 0;
581}
582
583static int brcm_fet_config_intr(struct phy_device *phydev)
584{
585 int reg, err;
586
587 reg = phy_read(phydev, MII_BRCM_FET_INTREG);
588 if (reg < 0)
589 return reg;
590
591 if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
592 reg &= ~MII_BRCM_FET_IR_MASK;
593 else
594 reg |= MII_BRCM_FET_IR_MASK;
595
596 err = phy_write(phydev, MII_BRCM_FET_INTREG, reg);
597 return err;
598}
599
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100600static struct phy_driver bcm5411_driver = {
601 .phy_id = 0x00206070,
602 .phy_id_mask = 0xfffffff0,
603 .name = "Broadcom BCM5411",
Matt Carlson5e0c6762008-11-03 16:56:07 -0800604 .features = PHY_GBIT_FEATURES |
605 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100606 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
607 .config_init = bcm54xx_config_init,
608 .config_aneg = genphy_config_aneg,
609 .read_status = genphy_read_status,
610 .ack_interrupt = bcm54xx_ack_interrupt,
611 .config_intr = bcm54xx_config_intr,
Matt Carlson4f4598f2009-08-25 10:10:30 +0000612 .driver = { .owner = THIS_MODULE },
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100613};
614
615static struct phy_driver bcm5421_driver = {
616 .phy_id = 0x002060e0,
617 .phy_id_mask = 0xfffffff0,
618 .name = "Broadcom BCM5421",
Matt Carlson5e0c6762008-11-03 16:56:07 -0800619 .features = PHY_GBIT_FEATURES |
620 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100621 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
622 .config_init = bcm54xx_config_init,
623 .config_aneg = genphy_config_aneg,
624 .read_status = genphy_read_status,
625 .ack_interrupt = bcm54xx_ack_interrupt,
626 .config_intr = bcm54xx_config_intr,
Matt Carlson4f4598f2009-08-25 10:10:30 +0000627 .driver = { .owner = THIS_MODULE },
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100628};
629
630static struct phy_driver bcm5461_driver = {
631 .phy_id = 0x002060c0,
632 .phy_id_mask = 0xfffffff0,
633 .name = "Broadcom BCM5461",
Matt Carlson5e0c6762008-11-03 16:56:07 -0800634 .features = PHY_GBIT_FEATURES |
635 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100636 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
637 .config_init = bcm54xx_config_init,
638 .config_aneg = genphy_config_aneg,
639 .read_status = genphy_read_status,
640 .ack_interrupt = bcm54xx_ack_interrupt,
641 .config_intr = bcm54xx_config_intr,
Matt Carlson4f4598f2009-08-25 10:10:30 +0000642 .driver = { .owner = THIS_MODULE },
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100643};
644
Paul Gortmakerb1394f92008-04-14 23:35:41 -0400645static struct phy_driver bcm5464_driver = {
646 .phy_id = 0x002060b0,
647 .phy_id_mask = 0xfffffff0,
648 .name = "Broadcom BCM5464",
Matt Carlson5e0c6762008-11-03 16:56:07 -0800649 .features = PHY_GBIT_FEATURES |
650 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
Paul Gortmakerb1394f92008-04-14 23:35:41 -0400651 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
652 .config_init = bcm54xx_config_init,
653 .config_aneg = genphy_config_aneg,
654 .read_status = genphy_read_status,
655 .ack_interrupt = bcm54xx_ack_interrupt,
656 .config_intr = bcm54xx_config_intr,
Matt Carlson4f4598f2009-08-25 10:10:30 +0000657 .driver = { .owner = THIS_MODULE },
Paul Gortmakerb1394f92008-04-14 23:35:41 -0400658};
659
Anton Vorontsov57bb7e22008-03-04 19:41:32 +0300660static struct phy_driver bcm5481_driver = {
661 .phy_id = 0x0143bca0,
662 .phy_id_mask = 0xfffffff0,
663 .name = "Broadcom BCM5481",
Matt Carlson5e0c6762008-11-03 16:56:07 -0800664 .features = PHY_GBIT_FEATURES |
665 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
Anton Vorontsov57bb7e22008-03-04 19:41:32 +0300666 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
667 .config_init = bcm54xx_config_init,
668 .config_aneg = bcm5481_config_aneg,
669 .read_status = genphy_read_status,
670 .ack_interrupt = bcm54xx_ack_interrupt,
671 .config_intr = bcm54xx_config_intr,
Matt Carlson4f4598f2009-08-25 10:10:30 +0000672 .driver = { .owner = THIS_MODULE },
Anton Vorontsov57bb7e22008-03-04 19:41:32 +0300673};
674
Nate Case03157ac2008-01-29 10:19:00 -0600675static struct phy_driver bcm5482_driver = {
Anton Vorontsov57bb7e22008-03-04 19:41:32 +0300676 .phy_id = 0x0143bcb0,
Nate Case03157ac2008-01-29 10:19:00 -0600677 .phy_id_mask = 0xfffffff0,
678 .name = "Broadcom BCM5482",
Matt Carlson5e0c6762008-11-03 16:56:07 -0800679 .features = PHY_GBIT_FEATURES |
680 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
Nate Case03157ac2008-01-29 10:19:00 -0600681 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
Nate Casecd9af3d2008-05-17 06:40:39 +0100682 .config_init = bcm5482_config_init,
Nate Case03157ac2008-01-29 10:19:00 -0600683 .config_aneg = genphy_config_aneg,
Nate Casecd9af3d2008-05-17 06:40:39 +0100684 .read_status = bcm5482_read_status,
Nate Case03157ac2008-01-29 10:19:00 -0600685 .ack_interrupt = bcm54xx_ack_interrupt,
686 .config_intr = bcm54xx_config_intr,
Matt Carlson4f4598f2009-08-25 10:10:30 +0000687 .driver = { .owner = THIS_MODULE },
Nate Case03157ac2008-01-29 10:19:00 -0600688};
689
Matt Carlson772638b2008-11-03 16:56:51 -0800690static struct phy_driver bcm50610_driver = {
691 .phy_id = PHY_ID_BCM50610,
692 .phy_id_mask = 0xfffffff0,
693 .name = "Broadcom BCM50610",
694 .features = PHY_GBIT_FEATURES |
695 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
696 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
697 .config_init = bcm54xx_config_init,
698 .config_aneg = genphy_config_aneg,
699 .read_status = genphy_read_status,
700 .ack_interrupt = bcm54xx_ack_interrupt,
701 .config_intr = bcm54xx_config_intr,
Matt Carlson4f4598f2009-08-25 10:10:30 +0000702 .driver = { .owner = THIS_MODULE },
703};
704
705static struct phy_driver bcm50610m_driver = {
706 .phy_id = PHY_ID_BCM50610M,
707 .phy_id_mask = 0xfffffff0,
708 .name = "Broadcom BCM50610M",
709 .features = PHY_GBIT_FEATURES |
710 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
711 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
712 .config_init = bcm54xx_config_init,
713 .config_aneg = genphy_config_aneg,
714 .read_status = genphy_read_status,
715 .ack_interrupt = bcm54xx_ack_interrupt,
716 .config_intr = bcm54xx_config_intr,
717 .driver = { .owner = THIS_MODULE },
Matt Carlson772638b2008-11-03 16:56:51 -0800718};
719
Matt Carlson2fbb69a2008-11-21 17:22:53 -0800720static struct phy_driver bcm57780_driver = {
Matt Carlsond9221e62009-08-25 10:11:26 +0000721 .phy_id = PHY_ID_BCM57780,
Matt Carlson2fbb69a2008-11-21 17:22:53 -0800722 .phy_id_mask = 0xfffffff0,
723 .name = "Broadcom BCM57780",
724 .features = PHY_GBIT_FEATURES |
725 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
726 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
727 .config_init = bcm54xx_config_init,
728 .config_aneg = genphy_config_aneg,
729 .read_status = genphy_read_status,
730 .ack_interrupt = bcm54xx_ack_interrupt,
731 .config_intr = bcm54xx_config_intr,
Matt Carlson4f4598f2009-08-25 10:10:30 +0000732 .driver = { .owner = THIS_MODULE },
Matt Carlson2fbb69a2008-11-21 17:22:53 -0800733};
734
Matt Carlsond7a2ed92009-08-25 10:10:58 +0000735static struct phy_driver bcmac131_driver = {
736 .phy_id = 0x0143bc70,
737 .phy_id_mask = 0xfffffff0,
738 .name = "Broadcom BCMAC131",
739 .features = PHY_BASIC_FEATURES |
740 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
741 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
742 .config_init = brcm_fet_config_init,
743 .config_aneg = genphy_config_aneg,
744 .read_status = genphy_read_status,
745 .ack_interrupt = brcm_fet_ack_interrupt,
746 .config_intr = brcm_fet_config_intr,
747 .driver = { .owner = THIS_MODULE },
748};
749
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100750static int __init broadcom_init(void)
751{
752 int ret;
753
754 ret = phy_driver_register(&bcm5411_driver);
755 if (ret)
756 goto out_5411;
757 ret = phy_driver_register(&bcm5421_driver);
758 if (ret)
759 goto out_5421;
760 ret = phy_driver_register(&bcm5461_driver);
761 if (ret)
762 goto out_5461;
Paul Gortmakerb1394f92008-04-14 23:35:41 -0400763 ret = phy_driver_register(&bcm5464_driver);
764 if (ret)
765 goto out_5464;
Anton Vorontsov57bb7e22008-03-04 19:41:32 +0300766 ret = phy_driver_register(&bcm5481_driver);
767 if (ret)
768 goto out_5481;
Nate Case03157ac2008-01-29 10:19:00 -0600769 ret = phy_driver_register(&bcm5482_driver);
770 if (ret)
771 goto out_5482;
Matt Carlson772638b2008-11-03 16:56:51 -0800772 ret = phy_driver_register(&bcm50610_driver);
773 if (ret)
774 goto out_50610;
Matt Carlson4f4598f2009-08-25 10:10:30 +0000775 ret = phy_driver_register(&bcm50610m_driver);
776 if (ret)
777 goto out_50610m;
Matt Carlson2fbb69a2008-11-21 17:22:53 -0800778 ret = phy_driver_register(&bcm57780_driver);
779 if (ret)
780 goto out_57780;
Matt Carlsond7a2ed92009-08-25 10:10:58 +0000781 ret = phy_driver_register(&bcmac131_driver);
782 if (ret)
783 goto out_ac131;
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100784 return ret;
785
Matt Carlsond7a2ed92009-08-25 10:10:58 +0000786out_ac131:
787 phy_driver_unregister(&bcm57780_driver);
Matt Carlson2fbb69a2008-11-21 17:22:53 -0800788out_57780:
Matt Carlson4f4598f2009-08-25 10:10:30 +0000789 phy_driver_unregister(&bcm50610m_driver);
790out_50610m:
Matt Carlson2fbb69a2008-11-21 17:22:53 -0800791 phy_driver_unregister(&bcm50610_driver);
Matt Carlson772638b2008-11-03 16:56:51 -0800792out_50610:
793 phy_driver_unregister(&bcm5482_driver);
Nate Case03157ac2008-01-29 10:19:00 -0600794out_5482:
Anton Vorontsov57bb7e22008-03-04 19:41:32 +0300795 phy_driver_unregister(&bcm5481_driver);
796out_5481:
Paul Gortmakerb1394f92008-04-14 23:35:41 -0400797 phy_driver_unregister(&bcm5464_driver);
798out_5464:
Nate Case03157ac2008-01-29 10:19:00 -0600799 phy_driver_unregister(&bcm5461_driver);
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100800out_5461:
801 phy_driver_unregister(&bcm5421_driver);
802out_5421:
803 phy_driver_unregister(&bcm5411_driver);
804out_5411:
805 return ret;
806}
807
808static void __exit broadcom_exit(void)
809{
Matt Carlsond7a2ed92009-08-25 10:10:58 +0000810 phy_driver_unregister(&bcmac131_driver);
Matt Carlson2fbb69a2008-11-21 17:22:53 -0800811 phy_driver_unregister(&bcm57780_driver);
Matt Carlson4f4598f2009-08-25 10:10:30 +0000812 phy_driver_unregister(&bcm50610m_driver);
Matt Carlson772638b2008-11-03 16:56:51 -0800813 phy_driver_unregister(&bcm50610_driver);
Nate Case03157ac2008-01-29 10:19:00 -0600814 phy_driver_unregister(&bcm5482_driver);
Anton Vorontsov57bb7e22008-03-04 19:41:32 +0300815 phy_driver_unregister(&bcm5481_driver);
Paul Gortmakerb1394f92008-04-14 23:35:41 -0400816 phy_driver_unregister(&bcm5464_driver);
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100817 phy_driver_unregister(&bcm5461_driver);
818 phy_driver_unregister(&bcm5421_driver);
819 phy_driver_unregister(&bcm5411_driver);
820}
821
822module_init(broadcom_init);
823module_exit(broadcom_exit);