blob: 9e574ceacf43f55c315593200c7263a1471640a6 [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>
19
Matt Carlson772638b2008-11-03 16:56:51 -080020#define PHY_ID_BCM50610 0x0143bd60
Matt Carlson4f4598f2009-08-25 10:10:30 +000021#define PHY_ID_BCM50610M 0x0143bd70
Matt Carlsond9221e62009-08-25 10:11:26 +000022#define PHY_ID_BCM57780 0x03625d90
23
24#define BRCM_PHY_MODEL(phydev) \
25 ((phydev)->drv->phy_id & (phydev)->drv->phy_id_mask)
26
Matt Carlson772638b2008-11-03 16:56:51 -080027
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +010028#define MII_BCM54XX_ECR 0x10 /* BCM54xx extended control register */
29#define MII_BCM54XX_ECR_IM 0x1000 /* Interrupt mask */
30#define MII_BCM54XX_ECR_IF 0x0800 /* Interrupt force */
31
32#define MII_BCM54XX_ESR 0x11 /* BCM54xx extended status register */
33#define MII_BCM54XX_ESR_IS 0x1000 /* Interrupt status */
34
Nate Casecd9af3d2008-05-17 06:40:39 +010035#define MII_BCM54XX_EXP_DATA 0x15 /* Expansion register data */
36#define MII_BCM54XX_EXP_SEL 0x17 /* Expansion register select */
37#define MII_BCM54XX_EXP_SEL_SSD 0x0e00 /* Secondary SerDes select */
38#define MII_BCM54XX_EXP_SEL_ER 0x0f00 /* Expansion register select */
39
40#define MII_BCM54XX_AUX_CTL 0x18 /* Auxiliary control register */
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +010041#define MII_BCM54XX_ISR 0x1a /* BCM54xx interrupt status register */
42#define MII_BCM54XX_IMR 0x1b /* BCM54xx interrupt mask register */
43#define MII_BCM54XX_INT_CRCERR 0x0001 /* CRC error */
44#define MII_BCM54XX_INT_LINK 0x0002 /* Link status changed */
45#define MII_BCM54XX_INT_SPEED 0x0004 /* Link speed change */
46#define MII_BCM54XX_INT_DUPLEX 0x0008 /* Duplex mode changed */
47#define MII_BCM54XX_INT_LRS 0x0010 /* Local receiver status changed */
48#define MII_BCM54XX_INT_RRS 0x0020 /* Remote receiver status changed */
49#define MII_BCM54XX_INT_SSERR 0x0040 /* Scrambler synchronization error */
50#define MII_BCM54XX_INT_UHCD 0x0080 /* Unsupported HCD negotiated */
51#define MII_BCM54XX_INT_NHCD 0x0100 /* No HCD */
52#define MII_BCM54XX_INT_NHCDL 0x0200 /* No HCD link */
53#define MII_BCM54XX_INT_ANPR 0x0400 /* Auto-negotiation page received */
54#define MII_BCM54XX_INT_LC 0x0800 /* All counters below 128 */
55#define MII_BCM54XX_INT_HC 0x1000 /* Counter above 32768 */
56#define MII_BCM54XX_INT_MDIX 0x2000 /* MDIX status change */
57#define MII_BCM54XX_INT_PSERR 0x4000 /* Pair swap error */
58
Nate Casecd9af3d2008-05-17 06:40:39 +010059#define MII_BCM54XX_SHD 0x1c /* 0x1c shadow registers */
60#define MII_BCM54XX_SHD_WRITE 0x8000
61#define MII_BCM54XX_SHD_VAL(x) ((x & 0x1f) << 10)
62#define MII_BCM54XX_SHD_DATA(x) ((x & 0x3ff) << 0)
63
64/*
Matt Carlson772638b2008-11-03 16:56:51 -080065 * AUXILIARY CONTROL SHADOW ACCESS REGISTERS. (PHY REG 0x18)
66 */
67#define MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL 0x0000
68#define MII_BCM54XX_AUXCTL_ACTL_TX_6DB 0x0400
69#define MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA 0x0800
70
71#define MII_BCM54XX_AUXCTL_MISC_WREN 0x8000
72#define MII_BCM54XX_AUXCTL_MISC_FORCE_AMDIX 0x0200
73#define MII_BCM54XX_AUXCTL_MISC_RDSEL_MISC 0x7000
74#define MII_BCM54XX_AUXCTL_SHDWSEL_MISC 0x0007
75
76#define MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL 0x0000
77
78
79/*
Nate Casecd9af3d2008-05-17 06:40:39 +010080 * Broadcom LED source encodings. These are used in BCM5461, BCM5481,
81 * BCM5482, and possibly some others.
82 */
83#define BCM_LED_SRC_LINKSPD1 0x0
84#define BCM_LED_SRC_LINKSPD2 0x1
85#define BCM_LED_SRC_XMITLED 0x2
86#define BCM_LED_SRC_ACTIVITYLED 0x3
87#define BCM_LED_SRC_FDXLED 0x4
88#define BCM_LED_SRC_SLAVE 0x5
89#define BCM_LED_SRC_INTR 0x6
90#define BCM_LED_SRC_QUALITY 0x7
91#define BCM_LED_SRC_RCVLED 0x8
92#define BCM_LED_SRC_MULTICOLOR1 0xa
93#define BCM_LED_SRC_OPENSHORT 0xb
94#define BCM_LED_SRC_OFF 0xe /* Tied high */
95#define BCM_LED_SRC_ON 0xf /* Tied low */
96
97/*
98 * BCM5482: Shadow registers
99 * Shadow values go into bits [14:10] of register 0x1c to select a shadow
100 * register to access.
101 */
102#define BCM5482_SHD_LEDS1 0x0d /* 01101: LED Selector 1 */
103 /* LED3 / ~LINKSPD[2] selector */
104#define BCM5482_SHD_LEDS1_LED3(src) ((src & 0xf) << 4)
105 /* LED1 / ~LINKSPD[1] selector */
106#define BCM5482_SHD_LEDS1_LED1(src) ((src & 0xf) << 0)
107#define BCM5482_SHD_SSD 0x14 /* 10100: Secondary SerDes control */
108#define BCM5482_SHD_SSD_LEDM 0x0008 /* SSD LED Mode enable */
109#define BCM5482_SHD_SSD_EN 0x0001 /* SSD enable */
110#define BCM5482_SHD_MODE 0x1f /* 11111: Mode Control Register */
111#define BCM5482_SHD_MODE_1000BX 0x0001 /* Enable 1000BASE-X registers */
112
113/*
Matt Carlson772638b2008-11-03 16:56:51 -0800114 * EXPANSION SHADOW ACCESS REGISTERS. (PHY REG 0x15, 0x16, and 0x17)
115 */
116#define MII_BCM54XX_EXP_AADJ1CH0 0x001f
117#define MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN 0x0200
118#define MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF 0x0100
119#define MII_BCM54XX_EXP_AADJ1CH3 0x601f
120#define MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ 0x0002
121#define MII_BCM54XX_EXP_EXP08 0x0F08
122#define MII_BCM54XX_EXP_EXP08_RJCT_2MHZ 0x0001
123#define MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE 0x0200
124#define MII_BCM54XX_EXP_EXP75 0x0f75
125#define MII_BCM54XX_EXP_EXP75_VDACCTRL 0x003c
Matt Carlsond9221e62009-08-25 10:11:26 +0000126#define MII_BCM54XX_EXP_EXP75_CM_OSC 0x0001
Matt Carlson772638b2008-11-03 16:56:51 -0800127#define MII_BCM54XX_EXP_EXP96 0x0f96
128#define MII_BCM54XX_EXP_EXP96_MYST 0x0010
129#define MII_BCM54XX_EXP_EXP97 0x0f97
130#define MII_BCM54XX_EXP_EXP97_MYST 0x0c0c
131
132/*
Nate Casecd9af3d2008-05-17 06:40:39 +0100133 * BCM5482: Secondary SerDes registers
134 */
135#define BCM5482_SSD_1000BX_CTL 0x00 /* 1000BASE-X Control */
136#define BCM5482_SSD_1000BX_CTL_PWRDOWN 0x0800 /* Power-down SSD */
137#define BCM5482_SSD_SGMII_SLAVE 0x15 /* SGMII Slave Register */
138#define BCM5482_SSD_SGMII_SLAVE_EN 0x0002 /* Slave mode enable */
139#define BCM5482_SSD_SGMII_SLAVE_AD 0x0001 /* Slave auto-detection */
140
141/*
142 * Device flags for PHYs that can be configured for different operating
143 * modes.
144 */
145#define PHY_BCM_FLAGS_VALID 0x80000000
146#define PHY_BCM_FLAGS_INTF_XAUI 0x00000020
147#define PHY_BCM_FLAGS_INTF_SGMII 0x00000010
148#define PHY_BCM_FLAGS_MODE_1000BX 0x00000002
149#define PHY_BCM_FLAGS_MODE_COPPER 0x00000001
150
Matt Carlsond7a2ed92009-08-25 10:10:58 +0000151
152/*****************************************************************************/
153/* Fast Ethernet Transceiver definitions. */
154/*****************************************************************************/
155
156#define MII_BRCM_FET_INTREG 0x1a /* Interrupt register */
157#define MII_BRCM_FET_IR_MASK 0x0100 /* Mask all interrupts */
158#define MII_BRCM_FET_IR_LINK_EN 0x0200 /* Link status change enable */
159#define MII_BRCM_FET_IR_SPEED_EN 0x0400 /* Link speed change enable */
160#define MII_BRCM_FET_IR_DUPLEX_EN 0x0800 /* Duplex mode change enable */
161#define MII_BRCM_FET_IR_ENABLE 0x4000 /* Interrupt enable */
162
163#define MII_BRCM_FET_BRCMTEST 0x1f /* Brcm test register */
164#define MII_BRCM_FET_BT_SRE 0x0080 /* Shadow register enable */
165
166
167/*** Shadow register definitions ***/
168
169#define MII_BRCM_FET_SHDW_MISCCTRL 0x10 /* Shadow misc ctrl */
170#define MII_BRCM_FET_SHDW_MC_FAME 0x4000 /* Force Auto MDIX enable */
171
172#define MII_BRCM_FET_SHDW_AUXMODE4 0x1a /* Auxiliary mode 4 */
173#define MII_BRCM_FET_SHDW_AM4_LED_MASK 0x0003
174#define MII_BRCM_FET_SHDW_AM4_LED_MODE1 0x0001
175
176#define MII_BRCM_FET_SHDW_AUXSTAT2 0x1b /* Auxiliary status 2 */
177#define MII_BRCM_FET_SHDW_AS2_APDE 0x0020 /* Auto power down enable */
178
179
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100180MODULE_DESCRIPTION("Broadcom PHY driver");
181MODULE_AUTHOR("Maciej W. Rozycki");
182MODULE_LICENSE("GPL");
183
Nate Casecd9af3d2008-05-17 06:40:39 +0100184/*
185 * Indirect register access functions for the 1000BASE-T/100BASE-TX/10BASE-T
186 * 0x1c shadow registers.
187 */
188static int bcm54xx_shadow_read(struct phy_device *phydev, u16 shadow)
189{
190 phy_write(phydev, MII_BCM54XX_SHD, MII_BCM54XX_SHD_VAL(shadow));
191 return MII_BCM54XX_SHD_DATA(phy_read(phydev, MII_BCM54XX_SHD));
192}
193
194static int bcm54xx_shadow_write(struct phy_device *phydev, u16 shadow, u16 val)
195{
196 return phy_write(phydev, MII_BCM54XX_SHD,
197 MII_BCM54XX_SHD_WRITE |
198 MII_BCM54XX_SHD_VAL(shadow) |
199 MII_BCM54XX_SHD_DATA(val));
200}
201
Matt Carlson042a75b2008-11-03 16:56:29 -0800202/* Indirect register access functions for the Expansion Registers */
Matt Carlsond9221e62009-08-25 10:11:26 +0000203static int bcm54xx_exp_read(struct phy_device *phydev, u16 regnum)
Nate Casecd9af3d2008-05-17 06:40:39 +0100204{
205 int val;
206
Matt Carlson042a75b2008-11-03 16:56:29 -0800207 val = phy_write(phydev, MII_BCM54XX_EXP_SEL, regnum);
208 if (val < 0)
209 return val;
210
Nate Casecd9af3d2008-05-17 06:40:39 +0100211 val = phy_read(phydev, MII_BCM54XX_EXP_DATA);
Matt Carlson042a75b2008-11-03 16:56:29 -0800212
213 /* Restore default value. It's O.K. if this write fails. */
214 phy_write(phydev, MII_BCM54XX_EXP_SEL, 0);
Nate Casecd9af3d2008-05-17 06:40:39 +0100215
216 return val;
217}
218
Matt Carlson772638b2008-11-03 16:56:51 -0800219static int bcm54xx_exp_write(struct phy_device *phydev, u16 regnum, u16 val)
Nate Casecd9af3d2008-05-17 06:40:39 +0100220{
221 int ret;
222
Matt Carlson042a75b2008-11-03 16:56:29 -0800223 ret = phy_write(phydev, MII_BCM54XX_EXP_SEL, regnum);
224 if (ret < 0)
225 return ret;
226
Nate Casecd9af3d2008-05-17 06:40:39 +0100227 ret = phy_write(phydev, MII_BCM54XX_EXP_DATA, val);
Matt Carlson042a75b2008-11-03 16:56:29 -0800228
229 /* Restore default value. It's O.K. if this write fails. */
230 phy_write(phydev, MII_BCM54XX_EXP_SEL, 0);
Nate Casecd9af3d2008-05-17 06:40:39 +0100231
232 return ret;
233}
234
Matt Carlson772638b2008-11-03 16:56:51 -0800235static int bcm54xx_auxctl_write(struct phy_device *phydev, u16 regnum, u16 val)
236{
237 return phy_write(phydev, MII_BCM54XX_AUX_CTL, regnum | val);
238}
239
Matt Carlson47b1b532009-11-02 14:28:04 +0000240/* Needs SMDSP clock enabled via bcm54xx_phydsp_config() */
Matt Carlson772638b2008-11-03 16:56:51 -0800241static int bcm50610_a0_workaround(struct phy_device *phydev)
242{
243 int err;
244
Matt Carlson47b1b532009-11-02 14:28:04 +0000245 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP08,
246 MII_BCM54XX_EXP_EXP08_RJCT_2MHZ |
247 MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE);
248 if (err < 0)
249 return err;
250
251 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_AADJ1CH0,
252 MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN |
253 MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF);
254 if (err < 0)
255 return err;
256
257 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_AADJ1CH3,
258 MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ);
259 if (err < 0)
260 return err;
261
262 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP75,
263 MII_BCM54XX_EXP_EXP75_VDACCTRL);
264 if (err < 0)
265 return err;
266
267 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP96,
268 MII_BCM54XX_EXP_EXP96_MYST);
269 if (err < 0)
270 return err;
271
272 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP97,
273 MII_BCM54XX_EXP_EXP97_MYST);
274
275 return err;
276}
277
278static int bcm54xx_phydsp_config(struct phy_device *phydev)
279{
280 int err, err2;
281
282 /* Enable the SMDSP clock */
Matt Carlson772638b2008-11-03 16:56:51 -0800283 err = bcm54xx_auxctl_write(phydev,
284 MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
285 MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA |
286 MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
287 if (err < 0)
288 return err;
289
Matt Carlson47b1b532009-11-02 14:28:04 +0000290 if (phydev->drv->phy_id == PHY_ID_BCM50610)
291 err = bcm50610_a0_workaround(phydev);
Matt Carlson772638b2008-11-03 16:56:51 -0800292
Matt Carlson47b1b532009-11-02 14:28:04 +0000293 if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM57780) {
294 int val;
Matt Carlson772638b2008-11-03 16:56:51 -0800295
Matt Carlson47b1b532009-11-02 14:28:04 +0000296 val = bcm54xx_exp_read(phydev, MII_BCM54XX_EXP_EXP75);
297 if (val < 0)
298 goto error;
Matt Carlson772638b2008-11-03 16:56:51 -0800299
Matt Carlson47b1b532009-11-02 14:28:04 +0000300 val |= MII_BCM54XX_EXP_EXP75_CM_OSC;
301 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP75, val);
302 }
Matt Carlson772638b2008-11-03 16:56:51 -0800303
304error:
Matt Carlson47b1b532009-11-02 14:28:04 +0000305 /* Disable the SMDSP clock */
306 err2 = bcm54xx_auxctl_write(phydev,
307 MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
308 MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
Matt Carlson772638b2008-11-03 16:56:51 -0800309
Matt Carlson47b1b532009-11-02 14:28:04 +0000310 /* Return the first error reported. */
311 return err ? err : err2;
Matt Carlson772638b2008-11-03 16:56:51 -0800312}
313
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100314static int bcm54xx_config_init(struct phy_device *phydev)
315{
316 int reg, err;
317
318 reg = phy_read(phydev, MII_BCM54XX_ECR);
319 if (reg < 0)
320 return reg;
321
322 /* Mask interrupts globally. */
323 reg |= MII_BCM54XX_ECR_IM;
324 err = phy_write(phydev, MII_BCM54XX_ECR, reg);
325 if (err < 0)
326 return err;
327
328 /* Unmask events we are interested in. */
329 reg = ~(MII_BCM54XX_INT_DUPLEX |
330 MII_BCM54XX_INT_SPEED |
331 MII_BCM54XX_INT_LINK);
332 err = phy_write(phydev, MII_BCM54XX_IMR, reg);
333 if (err < 0)
334 return err;
Matt Carlson772638b2008-11-03 16:56:51 -0800335
Matt Carlson47b1b532009-11-02 14:28:04 +0000336 bcm54xx_phydsp_config(phydev);
Matt Carlsond9221e62009-08-25 10:11:26 +0000337
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100338 return 0;
339}
340
Nate Casecd9af3d2008-05-17 06:40:39 +0100341static int bcm5482_config_init(struct phy_device *phydev)
342{
343 int err, reg;
344
345 err = bcm54xx_config_init(phydev);
346
347 if (phydev->dev_flags & PHY_BCM_FLAGS_MODE_1000BX) {
348 /*
349 * Enable secondary SerDes and its use as an LED source
350 */
351 reg = bcm54xx_shadow_read(phydev, BCM5482_SHD_SSD);
352 bcm54xx_shadow_write(phydev, BCM5482_SHD_SSD,
353 reg |
354 BCM5482_SHD_SSD_LEDM |
355 BCM5482_SHD_SSD_EN);
356
357 /*
358 * Enable SGMII slave mode and auto-detection
359 */
Matt Carlson042a75b2008-11-03 16:56:29 -0800360 reg = BCM5482_SSD_SGMII_SLAVE | MII_BCM54XX_EXP_SEL_SSD;
361 err = bcm54xx_exp_read(phydev, reg);
362 if (err < 0)
363 return err;
364 err = bcm54xx_exp_write(phydev, reg, err |
365 BCM5482_SSD_SGMII_SLAVE_EN |
366 BCM5482_SSD_SGMII_SLAVE_AD);
367 if (err < 0)
368 return err;
Nate Casecd9af3d2008-05-17 06:40:39 +0100369
370 /*
371 * Disable secondary SerDes powerdown
372 */
Matt Carlson042a75b2008-11-03 16:56:29 -0800373 reg = BCM5482_SSD_1000BX_CTL | MII_BCM54XX_EXP_SEL_SSD;
374 err = bcm54xx_exp_read(phydev, reg);
375 if (err < 0)
376 return err;
377 err = bcm54xx_exp_write(phydev, reg,
378 err & ~BCM5482_SSD_1000BX_CTL_PWRDOWN);
379 if (err < 0)
380 return err;
Nate Casecd9af3d2008-05-17 06:40:39 +0100381
382 /*
383 * Select 1000BASE-X register set (primary SerDes)
384 */
385 reg = bcm54xx_shadow_read(phydev, BCM5482_SHD_MODE);
386 bcm54xx_shadow_write(phydev, BCM5482_SHD_MODE,
387 reg | BCM5482_SHD_MODE_1000BX);
388
389 /*
390 * LED1=ACTIVITYLED, LED3=LINKSPD[2]
391 * (Use LED1 as secondary SerDes ACTIVITY LED)
392 */
393 bcm54xx_shadow_write(phydev, BCM5482_SHD_LEDS1,
394 BCM5482_SHD_LEDS1_LED1(BCM_LED_SRC_ACTIVITYLED) |
395 BCM5482_SHD_LEDS1_LED3(BCM_LED_SRC_LINKSPD2));
396
397 /*
398 * Auto-negotiation doesn't seem to work quite right
399 * in this mode, so we disable it and force it to the
400 * right speed/duplex setting. Only 'link status'
401 * is important.
402 */
403 phydev->autoneg = AUTONEG_DISABLE;
404 phydev->speed = SPEED_1000;
405 phydev->duplex = DUPLEX_FULL;
406 }
407
408 return err;
409}
410
411static int bcm5482_read_status(struct phy_device *phydev)
412{
413 int err;
414
415 err = genphy_read_status(phydev);
416
417 if (phydev->dev_flags & PHY_BCM_FLAGS_MODE_1000BX) {
418 /*
419 * Only link status matters for 1000Base-X mode, so force
420 * 1000 Mbit/s full-duplex status
421 */
422 if (phydev->link) {
423 phydev->speed = SPEED_1000;
424 phydev->duplex = DUPLEX_FULL;
425 }
426 }
427
428 return err;
429}
430
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100431static int bcm54xx_ack_interrupt(struct phy_device *phydev)
432{
433 int reg;
434
435 /* Clear pending interrupts. */
436 reg = phy_read(phydev, MII_BCM54XX_ISR);
437 if (reg < 0)
438 return reg;
439
440 return 0;
441}
442
443static int bcm54xx_config_intr(struct phy_device *phydev)
444{
445 int reg, err;
446
447 reg = phy_read(phydev, MII_BCM54XX_ECR);
448 if (reg < 0)
449 return reg;
450
451 if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
452 reg &= ~MII_BCM54XX_ECR_IM;
453 else
454 reg |= MII_BCM54XX_ECR_IM;
455
456 err = phy_write(phydev, MII_BCM54XX_ECR, reg);
457 return err;
458}
459
Anton Vorontsov57bb7e22008-03-04 19:41:32 +0300460static int bcm5481_config_aneg(struct phy_device *phydev)
461{
462 int ret;
463
464 /* Aneg firsly. */
465 ret = genphy_config_aneg(phydev);
466
467 /* Then we can set up the delay. */
468 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
469 u16 reg;
470
471 /*
472 * There is no BCM5481 specification available, so down
473 * here is everything we know about "register 0x18". This
474 * at least helps BCM5481 to successfuly receive packets
475 * on MPC8360E-RDK board. Peter Barada <peterb@logicpd.com>
476 * says: "This sets delay between the RXD and RXC signals
477 * instead of using trace lengths to achieve timing".
478 */
479
480 /* Set RDX clk delay. */
481 reg = 0x7 | (0x7 << 12);
482 phy_write(phydev, 0x18, reg);
483
484 reg = phy_read(phydev, 0x18);
485 /* Set RDX-RXC skew. */
486 reg |= (1 << 8);
487 /* Write bits 14:0. */
488 reg |= (1 << 15);
489 phy_write(phydev, 0x18, reg);
490 }
491
492 return ret;
493}
494
Matt Carlsond7a2ed92009-08-25 10:10:58 +0000495static int brcm_phy_setbits(struct phy_device *phydev, int reg, int set)
496{
497 int val;
498
499 val = phy_read(phydev, reg);
500 if (val < 0)
501 return val;
502
503 return phy_write(phydev, reg, val | set);
504}
505
506static int brcm_fet_config_init(struct phy_device *phydev)
507{
508 int reg, err, err2, brcmtest;
509
510 /* Reset the PHY to bring it to a known state. */
511 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
512 if (err < 0)
513 return err;
514
515 reg = phy_read(phydev, MII_BRCM_FET_INTREG);
516 if (reg < 0)
517 return reg;
518
519 /* Unmask events we are interested in and mask interrupts globally. */
520 reg = MII_BRCM_FET_IR_DUPLEX_EN |
521 MII_BRCM_FET_IR_SPEED_EN |
522 MII_BRCM_FET_IR_LINK_EN |
523 MII_BRCM_FET_IR_ENABLE |
524 MII_BRCM_FET_IR_MASK;
525
526 err = phy_write(phydev, MII_BRCM_FET_INTREG, reg);
527 if (err < 0)
528 return err;
529
530 /* Enable shadow register access */
531 brcmtest = phy_read(phydev, MII_BRCM_FET_BRCMTEST);
532 if (brcmtest < 0)
533 return brcmtest;
534
535 reg = brcmtest | MII_BRCM_FET_BT_SRE;
536
537 err = phy_write(phydev, MII_BRCM_FET_BRCMTEST, reg);
538 if (err < 0)
539 return err;
540
541 /* Set the LED mode */
542 reg = phy_read(phydev, MII_BRCM_FET_SHDW_AUXMODE4);
543 if (reg < 0) {
544 err = reg;
545 goto done;
546 }
547
548 reg &= ~MII_BRCM_FET_SHDW_AM4_LED_MASK;
549 reg |= MII_BRCM_FET_SHDW_AM4_LED_MODE1;
550
551 err = phy_write(phydev, MII_BRCM_FET_SHDW_AUXMODE4, reg);
552 if (err < 0)
553 goto done;
554
555 /* Enable auto MDIX */
556 err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_MISCCTRL,
557 MII_BRCM_FET_SHDW_MC_FAME);
558 if (err < 0)
559 goto done;
560
561 /* Enable auto power down */
562 err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_AUXSTAT2,
563 MII_BRCM_FET_SHDW_AS2_APDE);
564
565done:
566 /* Disable shadow register access */
567 err2 = phy_write(phydev, MII_BRCM_FET_BRCMTEST, brcmtest);
568 if (!err)
569 err = err2;
570
571 return err;
572}
573
574static int brcm_fet_ack_interrupt(struct phy_device *phydev)
575{
576 int reg;
577
578 /* Clear pending interrupts. */
579 reg = phy_read(phydev, MII_BRCM_FET_INTREG);
580 if (reg < 0)
581 return reg;
582
583 return 0;
584}
585
586static int brcm_fet_config_intr(struct phy_device *phydev)
587{
588 int reg, err;
589
590 reg = phy_read(phydev, MII_BRCM_FET_INTREG);
591 if (reg < 0)
592 return reg;
593
594 if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
595 reg &= ~MII_BRCM_FET_IR_MASK;
596 else
597 reg |= MII_BRCM_FET_IR_MASK;
598
599 err = phy_write(phydev, MII_BRCM_FET_INTREG, reg);
600 return err;
601}
602
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100603static struct phy_driver bcm5411_driver = {
604 .phy_id = 0x00206070,
605 .phy_id_mask = 0xfffffff0,
606 .name = "Broadcom BCM5411",
Matt Carlson5e0c6762008-11-03 16:56:07 -0800607 .features = PHY_GBIT_FEATURES |
608 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100609 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
610 .config_init = bcm54xx_config_init,
611 .config_aneg = genphy_config_aneg,
612 .read_status = genphy_read_status,
613 .ack_interrupt = bcm54xx_ack_interrupt,
614 .config_intr = bcm54xx_config_intr,
Matt Carlson4f4598f2009-08-25 10:10:30 +0000615 .driver = { .owner = THIS_MODULE },
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100616};
617
618static struct phy_driver bcm5421_driver = {
619 .phy_id = 0x002060e0,
620 .phy_id_mask = 0xfffffff0,
621 .name = "Broadcom BCM5421",
Matt Carlson5e0c6762008-11-03 16:56:07 -0800622 .features = PHY_GBIT_FEATURES |
623 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100624 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
625 .config_init = bcm54xx_config_init,
626 .config_aneg = genphy_config_aneg,
627 .read_status = genphy_read_status,
628 .ack_interrupt = bcm54xx_ack_interrupt,
629 .config_intr = bcm54xx_config_intr,
Matt Carlson4f4598f2009-08-25 10:10:30 +0000630 .driver = { .owner = THIS_MODULE },
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100631};
632
633static struct phy_driver bcm5461_driver = {
634 .phy_id = 0x002060c0,
635 .phy_id_mask = 0xfffffff0,
636 .name = "Broadcom BCM5461",
Matt Carlson5e0c6762008-11-03 16:56:07 -0800637 .features = PHY_GBIT_FEATURES |
638 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100639 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
640 .config_init = bcm54xx_config_init,
641 .config_aneg = genphy_config_aneg,
642 .read_status = genphy_read_status,
643 .ack_interrupt = bcm54xx_ack_interrupt,
644 .config_intr = bcm54xx_config_intr,
Matt Carlson4f4598f2009-08-25 10:10:30 +0000645 .driver = { .owner = THIS_MODULE },
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100646};
647
Paul Gortmakerb1394f92008-04-14 23:35:41 -0400648static struct phy_driver bcm5464_driver = {
649 .phy_id = 0x002060b0,
650 .phy_id_mask = 0xfffffff0,
651 .name = "Broadcom BCM5464",
Matt Carlson5e0c6762008-11-03 16:56:07 -0800652 .features = PHY_GBIT_FEATURES |
653 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
Paul Gortmakerb1394f92008-04-14 23:35:41 -0400654 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
655 .config_init = bcm54xx_config_init,
656 .config_aneg = genphy_config_aneg,
657 .read_status = genphy_read_status,
658 .ack_interrupt = bcm54xx_ack_interrupt,
659 .config_intr = bcm54xx_config_intr,
Matt Carlson4f4598f2009-08-25 10:10:30 +0000660 .driver = { .owner = THIS_MODULE },
Paul Gortmakerb1394f92008-04-14 23:35:41 -0400661};
662
Anton Vorontsov57bb7e22008-03-04 19:41:32 +0300663static struct phy_driver bcm5481_driver = {
664 .phy_id = 0x0143bca0,
665 .phy_id_mask = 0xfffffff0,
666 .name = "Broadcom BCM5481",
Matt Carlson5e0c6762008-11-03 16:56:07 -0800667 .features = PHY_GBIT_FEATURES |
668 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
Anton Vorontsov57bb7e22008-03-04 19:41:32 +0300669 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
670 .config_init = bcm54xx_config_init,
671 .config_aneg = bcm5481_config_aneg,
672 .read_status = genphy_read_status,
673 .ack_interrupt = bcm54xx_ack_interrupt,
674 .config_intr = bcm54xx_config_intr,
Matt Carlson4f4598f2009-08-25 10:10:30 +0000675 .driver = { .owner = THIS_MODULE },
Anton Vorontsov57bb7e22008-03-04 19:41:32 +0300676};
677
Nate Case03157ac2008-01-29 10:19:00 -0600678static struct phy_driver bcm5482_driver = {
Anton Vorontsov57bb7e22008-03-04 19:41:32 +0300679 .phy_id = 0x0143bcb0,
Nate Case03157ac2008-01-29 10:19:00 -0600680 .phy_id_mask = 0xfffffff0,
681 .name = "Broadcom BCM5482",
Matt Carlson5e0c6762008-11-03 16:56:07 -0800682 .features = PHY_GBIT_FEATURES |
683 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
Nate Case03157ac2008-01-29 10:19:00 -0600684 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
Nate Casecd9af3d2008-05-17 06:40:39 +0100685 .config_init = bcm5482_config_init,
Nate Case03157ac2008-01-29 10:19:00 -0600686 .config_aneg = genphy_config_aneg,
Nate Casecd9af3d2008-05-17 06:40:39 +0100687 .read_status = bcm5482_read_status,
Nate Case03157ac2008-01-29 10:19:00 -0600688 .ack_interrupt = bcm54xx_ack_interrupt,
689 .config_intr = bcm54xx_config_intr,
Matt Carlson4f4598f2009-08-25 10:10:30 +0000690 .driver = { .owner = THIS_MODULE },
Nate Case03157ac2008-01-29 10:19:00 -0600691};
692
Matt Carlson772638b2008-11-03 16:56:51 -0800693static struct phy_driver bcm50610_driver = {
694 .phy_id = PHY_ID_BCM50610,
695 .phy_id_mask = 0xfffffff0,
696 .name = "Broadcom BCM50610",
697 .features = PHY_GBIT_FEATURES |
698 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
699 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
700 .config_init = bcm54xx_config_init,
701 .config_aneg = genphy_config_aneg,
702 .read_status = genphy_read_status,
703 .ack_interrupt = bcm54xx_ack_interrupt,
704 .config_intr = bcm54xx_config_intr,
Matt Carlson4f4598f2009-08-25 10:10:30 +0000705 .driver = { .owner = THIS_MODULE },
706};
707
708static struct phy_driver bcm50610m_driver = {
709 .phy_id = PHY_ID_BCM50610M,
710 .phy_id_mask = 0xfffffff0,
711 .name = "Broadcom BCM50610M",
712 .features = PHY_GBIT_FEATURES |
713 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
714 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
715 .config_init = bcm54xx_config_init,
716 .config_aneg = genphy_config_aneg,
717 .read_status = genphy_read_status,
718 .ack_interrupt = bcm54xx_ack_interrupt,
719 .config_intr = bcm54xx_config_intr,
720 .driver = { .owner = THIS_MODULE },
Matt Carlson772638b2008-11-03 16:56:51 -0800721};
722
Matt Carlson2fbb69a2008-11-21 17:22:53 -0800723static struct phy_driver bcm57780_driver = {
Matt Carlsond9221e62009-08-25 10:11:26 +0000724 .phy_id = PHY_ID_BCM57780,
Matt Carlson2fbb69a2008-11-21 17:22:53 -0800725 .phy_id_mask = 0xfffffff0,
726 .name = "Broadcom BCM57780",
727 .features = PHY_GBIT_FEATURES |
728 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
729 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
730 .config_init = bcm54xx_config_init,
731 .config_aneg = genphy_config_aneg,
732 .read_status = genphy_read_status,
733 .ack_interrupt = bcm54xx_ack_interrupt,
734 .config_intr = bcm54xx_config_intr,
Matt Carlson4f4598f2009-08-25 10:10:30 +0000735 .driver = { .owner = THIS_MODULE },
Matt Carlson2fbb69a2008-11-21 17:22:53 -0800736};
737
Matt Carlsond7a2ed92009-08-25 10:10:58 +0000738static struct phy_driver bcmac131_driver = {
739 .phy_id = 0x0143bc70,
740 .phy_id_mask = 0xfffffff0,
741 .name = "Broadcom BCMAC131",
742 .features = PHY_BASIC_FEATURES |
743 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
744 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
745 .config_init = brcm_fet_config_init,
746 .config_aneg = genphy_config_aneg,
747 .read_status = genphy_read_status,
748 .ack_interrupt = brcm_fet_ack_interrupt,
749 .config_intr = brcm_fet_config_intr,
750 .driver = { .owner = THIS_MODULE },
751};
752
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100753static int __init broadcom_init(void)
754{
755 int ret;
756
757 ret = phy_driver_register(&bcm5411_driver);
758 if (ret)
759 goto out_5411;
760 ret = phy_driver_register(&bcm5421_driver);
761 if (ret)
762 goto out_5421;
763 ret = phy_driver_register(&bcm5461_driver);
764 if (ret)
765 goto out_5461;
Paul Gortmakerb1394f92008-04-14 23:35:41 -0400766 ret = phy_driver_register(&bcm5464_driver);
767 if (ret)
768 goto out_5464;
Anton Vorontsov57bb7e22008-03-04 19:41:32 +0300769 ret = phy_driver_register(&bcm5481_driver);
770 if (ret)
771 goto out_5481;
Nate Case03157ac2008-01-29 10:19:00 -0600772 ret = phy_driver_register(&bcm5482_driver);
773 if (ret)
774 goto out_5482;
Matt Carlson772638b2008-11-03 16:56:51 -0800775 ret = phy_driver_register(&bcm50610_driver);
776 if (ret)
777 goto out_50610;
Matt Carlson4f4598f2009-08-25 10:10:30 +0000778 ret = phy_driver_register(&bcm50610m_driver);
779 if (ret)
780 goto out_50610m;
Matt Carlson2fbb69a2008-11-21 17:22:53 -0800781 ret = phy_driver_register(&bcm57780_driver);
782 if (ret)
783 goto out_57780;
Matt Carlsond7a2ed92009-08-25 10:10:58 +0000784 ret = phy_driver_register(&bcmac131_driver);
785 if (ret)
786 goto out_ac131;
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100787 return ret;
788
Matt Carlsond7a2ed92009-08-25 10:10:58 +0000789out_ac131:
790 phy_driver_unregister(&bcm57780_driver);
Matt Carlson2fbb69a2008-11-21 17:22:53 -0800791out_57780:
Matt Carlson4f4598f2009-08-25 10:10:30 +0000792 phy_driver_unregister(&bcm50610m_driver);
793out_50610m:
Matt Carlson2fbb69a2008-11-21 17:22:53 -0800794 phy_driver_unregister(&bcm50610_driver);
Matt Carlson772638b2008-11-03 16:56:51 -0800795out_50610:
796 phy_driver_unregister(&bcm5482_driver);
Nate Case03157ac2008-01-29 10:19:00 -0600797out_5482:
Anton Vorontsov57bb7e22008-03-04 19:41:32 +0300798 phy_driver_unregister(&bcm5481_driver);
799out_5481:
Paul Gortmakerb1394f92008-04-14 23:35:41 -0400800 phy_driver_unregister(&bcm5464_driver);
801out_5464:
Nate Case03157ac2008-01-29 10:19:00 -0600802 phy_driver_unregister(&bcm5461_driver);
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100803out_5461:
804 phy_driver_unregister(&bcm5421_driver);
805out_5421:
806 phy_driver_unregister(&bcm5411_driver);
807out_5411:
808 return ret;
809}
810
811static void __exit broadcom_exit(void)
812{
Matt Carlsond7a2ed92009-08-25 10:10:58 +0000813 phy_driver_unregister(&bcmac131_driver);
Matt Carlson2fbb69a2008-11-21 17:22:53 -0800814 phy_driver_unregister(&bcm57780_driver);
Matt Carlson4f4598f2009-08-25 10:10:30 +0000815 phy_driver_unregister(&bcm50610m_driver);
Matt Carlson772638b2008-11-03 16:56:51 -0800816 phy_driver_unregister(&bcm50610_driver);
Nate Case03157ac2008-01-29 10:19:00 -0600817 phy_driver_unregister(&bcm5482_driver);
Anton Vorontsov57bb7e22008-03-04 19:41:32 +0300818 phy_driver_unregister(&bcm5481_driver);
Paul Gortmakerb1394f92008-04-14 23:35:41 -0400819 phy_driver_unregister(&bcm5464_driver);
Maciej W. Rozyckic4b41c92006-10-03 16:18:13 +0100820 phy_driver_unregister(&bcm5461_driver);
821 phy_driver_unregister(&bcm5421_driver);
822 phy_driver_unregister(&bcm5411_driver);
823}
824
825module_init(broadcom_init);
826module_exit(broadcom_exit);