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Merge branch 'mini2440-dev-unlikely' into mini2440-dev
[linux-2.6/mini2440.git] / drivers / net / phy / broadcom.c
blobf81e53222230f72fa7852bb59bd053c068090e9b
1 /*
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
20 #define PHY_ID_BCM50610 0x0143bd60
21 #define PHY_ID_BCM50610M 0x0143bd70
22 #define PHY_ID_BCM57780 0x03625d90
23
24 #define BRCM_PHY_MODEL(phydev) \
25 ((phydev)->drv->phy_id & (phydev)->drv->phy_id_mask)
26
27
28 #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
35 #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 */
41 #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
59 #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 /*
65 * 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 /*
80 * 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 /*
114 * 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
126 #define MII_BCM54XX_EXP_EXP75_CM_OSC 0x0001
127 #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 /*
133 * 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
151
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
180 MODULE_DESCRIPTION("Broadcom PHY driver");
181 MODULE_AUTHOR("Maciej W. Rozycki");
182 MODULE_LICENSE("GPL");
183
184 /*
185 * Indirect register access functions for the 1000BASE-T/100BASE-TX/10BASE-T
186 * 0x1c shadow registers.
187 */
188 static 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
194 static 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
202 /* Indirect register access functions for the Expansion Registers */
203 static int bcm54xx_exp_read(struct phy_device *phydev, u16 regnum)
204 {
205 int val;
206
207 val = phy_write(phydev, MII_BCM54XX_EXP_SEL, regnum);
208 if (val < 0)
209 return val;
210
211 val = phy_read(phydev, MII_BCM54XX_EXP_DATA);
212
213 /* Restore default value. It's O.K. if this write fails. */
214 phy_write(phydev, MII_BCM54XX_EXP_SEL, 0);
215
216 return val;
217 }
218
219 static int bcm54xx_exp_write(struct phy_device *phydev, u16 regnum, u16 val)
220 {
221 int ret;
222
223 ret = phy_write(phydev, MII_BCM54XX_EXP_SEL, regnum);
224 if (ret < 0)
225 return ret;
226
227 ret = phy_write(phydev, MII_BCM54XX_EXP_DATA, val);
228
229 /* Restore default value. It's O.K. if this write fails. */
230 phy_write(phydev, MII_BCM54XX_EXP_SEL, 0);
231
232 return ret;
233 }
234
235 static 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
240 static int bcm50610_a0_workaround(struct phy_device *phydev)
241 {
242 int err;
243
244 err = bcm54xx_auxctl_write(phydev,
245 MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
246 MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA |
247 MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
248 if (err < 0)
249 return err;
250
251 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP08,
252 MII_BCM54XX_EXP_EXP08_RJCT_2MHZ |
253 MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE);
254 if (err < 0)
255 goto error;
256
257 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_AADJ1CH0,
258 MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN |
259 MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF);
260 if (err < 0)
261 goto error;
262
263 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_AADJ1CH3,
264 MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ);
265 if (err < 0)
266 goto error;
267
268 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP75,
269 MII_BCM54XX_EXP_EXP75_VDACCTRL);
270 if (err < 0)
271 goto error;
272
273 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP96,
274 MII_BCM54XX_EXP_EXP96_MYST);
275 if (err < 0)
276 goto error;
277
278 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP97,
279 MII_BCM54XX_EXP_EXP97_MYST);
280
281 error:
282 bcm54xx_auxctl_write(phydev,
283 MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
284 MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
285
286 return err;
287 }
288
289 static int bcm54xx_config_init(struct phy_device *phydev)
290 {
291 int reg, err;
292
293 reg = phy_read(phydev, MII_BCM54XX_ECR);
294 if (reg < 0)
295 return reg;
296
297 /* Mask interrupts globally. */
298 reg |= MII_BCM54XX_ECR_IM;
299 err = phy_write(phydev, MII_BCM54XX_ECR, reg);
300 if (err < 0)
301 return err;
302
303 /* Unmask events we are interested in. */
304 reg = ~(MII_BCM54XX_INT_DUPLEX |
305 MII_BCM54XX_INT_SPEED |
306 MII_BCM54XX_INT_LINK);
307 err = phy_write(phydev, MII_BCM54XX_IMR, reg);
308 if (err < 0)
309 return err;
310
311 if (phydev->drv->phy_id == PHY_ID_BCM50610) {
312 err = bcm50610_a0_workaround(phydev);
313 if (err < 0)
314 return err;
315 }
316
317 if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM57780) {
318 int err2;
319
320 err = bcm54xx_auxctl_write(phydev,
321 MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
322 MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA |
323 MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
324 if (err < 0)
325 return err;
326
327 reg = bcm54xx_exp_read(phydev, MII_BCM54XX_EXP_EXP75);
328 if (reg < 0)
329 goto error;
330
331 reg |= MII_BCM54XX_EXP_EXP75_CM_OSC;
332 err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP75, reg);
333
334 error:
335 err2 = bcm54xx_auxctl_write(phydev,
336 MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
337 MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
338 if (err)
339 return err;
340 if (err2)
341 return err2;
342 }
343
344 return 0;
345 }
346
347 static int bcm5482_config_init(struct phy_device *phydev)
348 {
349 int err, reg;
350
351 err = bcm54xx_config_init(phydev);
352
353 if (phydev->dev_flags & PHY_BCM_FLAGS_MODE_1000BX) {
354 /*
355 * Enable secondary SerDes and its use as an LED source
356 */
357 reg = bcm54xx_shadow_read(phydev, BCM5482_SHD_SSD);
358 bcm54xx_shadow_write(phydev, BCM5482_SHD_SSD,
359 reg |
360 BCM5482_SHD_SSD_LEDM |
361 BCM5482_SHD_SSD_EN);
362
363 /*
364 * Enable SGMII slave mode and auto-detection
365 */
366 reg = BCM5482_SSD_SGMII_SLAVE | MII_BCM54XX_EXP_SEL_SSD;
367 err = bcm54xx_exp_read(phydev, reg);
368 if (err < 0)
369 return err;
370 err = bcm54xx_exp_write(phydev, reg, err |
371 BCM5482_SSD_SGMII_SLAVE_EN |
372 BCM5482_SSD_SGMII_SLAVE_AD);
373 if (err < 0)
374 return err;
375
376 /*
377 * Disable secondary SerDes powerdown
378 */
379 reg = BCM5482_SSD_1000BX_CTL | MII_BCM54XX_EXP_SEL_SSD;
380 err = bcm54xx_exp_read(phydev, reg);
381 if (err < 0)
382 return err;
383 err = bcm54xx_exp_write(phydev, reg,
384 err & ~BCM5482_SSD_1000BX_CTL_PWRDOWN);
385 if (err < 0)
386 return err;
387
388 /*
389 * Select 1000BASE-X register set (primary SerDes)
390 */
391 reg = bcm54xx_shadow_read(phydev, BCM5482_SHD_MODE);
392 bcm54xx_shadow_write(phydev, BCM5482_SHD_MODE,
393 reg | BCM5482_SHD_MODE_1000BX);
394
395 /*
396 * LED1=ACTIVITYLED, LED3=LINKSPD[2]
397 * (Use LED1 as secondary SerDes ACTIVITY LED)
398 */
399 bcm54xx_shadow_write(phydev, BCM5482_SHD_LEDS1,
400 BCM5482_SHD_LEDS1_LED1(BCM_LED_SRC_ACTIVITYLED) |
401 BCM5482_SHD_LEDS1_LED3(BCM_LED_SRC_LINKSPD2));
402
403 /*
404 * Auto-negotiation doesn't seem to work quite right
405 * in this mode, so we disable it and force it to the
406 * right speed/duplex setting. Only 'link status'
407 * is important.
408 */
409 phydev->autoneg = AUTONEG_DISABLE;
410 phydev->speed = SPEED_1000;
411 phydev->duplex = DUPLEX_FULL;
412 }
413
414 return err;
415 }
416
417 static int bcm5482_read_status(struct phy_device *phydev)
418 {
419 int err;
420
421 err = genphy_read_status(phydev);
422
423 if (phydev->dev_flags & PHY_BCM_FLAGS_MODE_1000BX) {
424 /*
425 * Only link status matters for 1000Base-X mode, so force
426 * 1000 Mbit/s full-duplex status
427 */
428 if (phydev->link) {
429 phydev->speed = SPEED_1000;
430 phydev->duplex = DUPLEX_FULL;
431 }
432 }
433
434 return err;
435 }
436
437 static int bcm54xx_ack_interrupt(struct phy_device *phydev)
438 {
439 int reg;
440
441 /* Clear pending interrupts. */
442 reg = phy_read(phydev, MII_BCM54XX_ISR);
443 if (reg < 0)
444 return reg;
445
446 return 0;
447 }
448
449 static int bcm54xx_config_intr(struct phy_device *phydev)
450 {
451 int reg, err;
452
453 reg = phy_read(phydev, MII_BCM54XX_ECR);
454 if (reg < 0)
455 return reg;
456
457 if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
458 reg &= ~MII_BCM54XX_ECR_IM;
459 else
460 reg |= MII_BCM54XX_ECR_IM;
461
462 err = phy_write(phydev, MII_BCM54XX_ECR, reg);
463 return err;
464 }
465
466 static int bcm5481_config_aneg(struct phy_device *phydev)
467 {
468 int ret;
469
470 /* Aneg firsly. */
471 ret = genphy_config_aneg(phydev);
472
473 /* Then we can set up the delay. */
474 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
475 u16 reg;
476
477 /*
478 * There is no BCM5481 specification available, so down
479 * here is everything we know about "register 0x18". This
480 * at least helps BCM5481 to successfuly receive packets
481 * on MPC8360E-RDK board. Peter Barada <peterb@logicpd.com>
482 * says: "This sets delay between the RXD and RXC signals
483 * instead of using trace lengths to achieve timing".
484 */
485
486 /* Set RDX clk delay. */
487 reg = 0x7 | (0x7 << 12);
488 phy_write(phydev, 0x18, reg);
489
490 reg = phy_read(phydev, 0x18);
491 /* Set RDX-RXC skew. */
492 reg |= (1 << 8);
493 /* Write bits 14:0. */
494 reg |= (1 << 15);
495 phy_write(phydev, 0x18, reg);
496 }
497
498 return ret;
499 }
500
501 static int brcm_phy_setbits(struct phy_device *phydev, int reg, int set)
502 {
503 int val;
504
505 val = phy_read(phydev, reg);
506 if (val < 0)
507 return val;
508
509 return phy_write(phydev, reg, val | set);
510 }
511
512 static int brcm_fet_config_init(struct phy_device *phydev)
513 {
514 int reg, err, err2, brcmtest;
515
516 /* Reset the PHY to bring it to a known state. */
517 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
518 if (err < 0)
519 return err;
520
521 reg = phy_read(phydev, MII_BRCM_FET_INTREG);
522 if (reg < 0)
523 return reg;
524
525 /* Unmask events we are interested in and mask interrupts globally. */
526 reg = MII_BRCM_FET_IR_DUPLEX_EN |
527 MII_BRCM_FET_IR_SPEED_EN |
528 MII_BRCM_FET_IR_LINK_EN |
529 MII_BRCM_FET_IR_ENABLE |
530 MII_BRCM_FET_IR_MASK;
531
532 err = phy_write(phydev, MII_BRCM_FET_INTREG, reg);
533 if (err < 0)
534 return err;
535
536 /* Enable shadow register access */
537 brcmtest = phy_read(phydev, MII_BRCM_FET_BRCMTEST);
538 if (brcmtest < 0)
539 return brcmtest;
540
541 reg = brcmtest | MII_BRCM_FET_BT_SRE;
542
543 err = phy_write(phydev, MII_BRCM_FET_BRCMTEST, reg);
544 if (err < 0)
545 return err;
546
547 /* Set the LED mode */
548 reg = phy_read(phydev, MII_BRCM_FET_SHDW_AUXMODE4);
549 if (reg < 0) {
550 err = reg;
551 goto done;
552 }
553
554 reg &= ~MII_BRCM_FET_SHDW_AM4_LED_MASK;
555 reg |= MII_BRCM_FET_SHDW_AM4_LED_MODE1;
556
557 err = phy_write(phydev, MII_BRCM_FET_SHDW_AUXMODE4, reg);
558 if (err < 0)
559 goto done;
560
561 /* Enable auto MDIX */
562 err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_MISCCTRL,
563 MII_BRCM_FET_SHDW_MC_FAME);
564 if (err < 0)
565 goto done;
566
567 /* Enable auto power down */
568 err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_AUXSTAT2,
569 MII_BRCM_FET_SHDW_AS2_APDE);
570
571 done:
572 /* Disable shadow register access */
573 err2 = phy_write(phydev, MII_BRCM_FET_BRCMTEST, brcmtest);
574 if (!err)
575 err = err2;
576
577 return err;
578 }
579
580 static int brcm_fet_ack_interrupt(struct phy_device *phydev)
581 {
582 int reg;
583
584 /* Clear pending interrupts. */
585 reg = phy_read(phydev, MII_BRCM_FET_INTREG);
586 if (reg < 0)
587 return reg;
588
589 return 0;
590 }
591
592 static int brcm_fet_config_intr(struct phy_device *phydev)
593 {
594 int reg, err;
595
596 reg = phy_read(phydev, MII_BRCM_FET_INTREG);
597 if (reg < 0)
598 return reg;
599
600 if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
601 reg &= ~MII_BRCM_FET_IR_MASK;
602 else
603 reg |= MII_BRCM_FET_IR_MASK;
604
605 err = phy_write(phydev, MII_BRCM_FET_INTREG, reg);
606 return err;
607 }
608
609 static struct phy_driver bcm5411_driver = {
610 .phy_id = 0x00206070,
611 .phy_id_mask = 0xfffffff0,
612 .name = "Broadcom BCM5411",
613 .features = PHY_GBIT_FEATURES |
614 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
615 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
616 .config_init = bcm54xx_config_init,
617 .config_aneg = genphy_config_aneg,
618 .read_status = genphy_read_status,
619 .ack_interrupt = bcm54xx_ack_interrupt,
620 .config_intr = bcm54xx_config_intr,
621 .driver = { .owner = THIS_MODULE },
622 };
623
624 static struct phy_driver bcm5421_driver = {
625 .phy_id = 0x002060e0,
626 .phy_id_mask = 0xfffffff0,
627 .name = "Broadcom BCM5421",
628 .features = PHY_GBIT_FEATURES |
629 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
630 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
631 .config_init = bcm54xx_config_init,
632 .config_aneg = genphy_config_aneg,
633 .read_status = genphy_read_status,
634 .ack_interrupt = bcm54xx_ack_interrupt,
635 .config_intr = bcm54xx_config_intr,
636 .driver = { .owner = THIS_MODULE },
637 };
638
639 static struct phy_driver bcm5461_driver = {
640 .phy_id = 0x002060c0,
641 .phy_id_mask = 0xfffffff0,
642 .name = "Broadcom BCM5461",
643 .features = PHY_GBIT_FEATURES |
644 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
645 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
646 .config_init = bcm54xx_config_init,
647 .config_aneg = genphy_config_aneg,
648 .read_status = genphy_read_status,
649 .ack_interrupt = bcm54xx_ack_interrupt,
650 .config_intr = bcm54xx_config_intr,
651 .driver = { .owner = THIS_MODULE },
652 };
653
654 static struct phy_driver bcm5464_driver = {
655 .phy_id = 0x002060b0,
656 .phy_id_mask = 0xfffffff0,
657 .name = "Broadcom BCM5464",
658 .features = PHY_GBIT_FEATURES |
659 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
660 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
661 .config_init = bcm54xx_config_init,
662 .config_aneg = genphy_config_aneg,
663 .read_status = genphy_read_status,
664 .ack_interrupt = bcm54xx_ack_interrupt,
665 .config_intr = bcm54xx_config_intr,
666 .driver = { .owner = THIS_MODULE },
667 };
668
669 static struct phy_driver bcm5481_driver = {
670 .phy_id = 0x0143bca0,
671 .phy_id_mask = 0xfffffff0,
672 .name = "Broadcom BCM5481",
673 .features = PHY_GBIT_FEATURES |
674 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
675 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
676 .config_init = bcm54xx_config_init,
677 .config_aneg = bcm5481_config_aneg,
678 .read_status = genphy_read_status,
679 .ack_interrupt = bcm54xx_ack_interrupt,
680 .config_intr = bcm54xx_config_intr,
681 .driver = { .owner = THIS_MODULE },
682 };
683
684 static struct phy_driver bcm5482_driver = {
685 .phy_id = 0x0143bcb0,
686 .phy_id_mask = 0xfffffff0,
687 .name = "Broadcom BCM5482",
688 .features = PHY_GBIT_FEATURES |
689 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
690 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
691 .config_init = bcm5482_config_init,
692 .config_aneg = genphy_config_aneg,
693 .read_status = bcm5482_read_status,
694 .ack_interrupt = bcm54xx_ack_interrupt,
695 .config_intr = bcm54xx_config_intr,
696 .driver = { .owner = THIS_MODULE },
697 };
698
699 static struct phy_driver bcm50610_driver = {
700 .phy_id = PHY_ID_BCM50610,
701 .phy_id_mask = 0xfffffff0,
702 .name = "Broadcom BCM50610",
703 .features = PHY_GBIT_FEATURES |
704 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
705 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
706 .config_init = bcm54xx_config_init,
707 .config_aneg = genphy_config_aneg,
708 .read_status = genphy_read_status,
709 .ack_interrupt = bcm54xx_ack_interrupt,
710 .config_intr = bcm54xx_config_intr,
711 .driver = { .owner = THIS_MODULE },
712 };
713
714 static struct phy_driver bcm50610m_driver = {
715 .phy_id = PHY_ID_BCM50610M,
716 .phy_id_mask = 0xfffffff0,
717 .name = "Broadcom BCM50610M",
718 .features = PHY_GBIT_FEATURES |
719 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
720 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
721 .config_init = bcm54xx_config_init,
722 .config_aneg = genphy_config_aneg,
723 .read_status = genphy_read_status,
724 .ack_interrupt = bcm54xx_ack_interrupt,
725 .config_intr = bcm54xx_config_intr,
726 .driver = { .owner = THIS_MODULE },
727 };
728
729 static struct phy_driver bcm57780_driver = {
730 .phy_id = PHY_ID_BCM57780,
731 .phy_id_mask = 0xfffffff0,
732 .name = "Broadcom BCM57780",
733 .features = PHY_GBIT_FEATURES |
734 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
735 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
736 .config_init = bcm54xx_config_init,
737 .config_aneg = genphy_config_aneg,
738 .read_status = genphy_read_status,
739 .ack_interrupt = bcm54xx_ack_interrupt,
740 .config_intr = bcm54xx_config_intr,
741 .driver = { .owner = THIS_MODULE },
742 };
743
744 static struct phy_driver bcmac131_driver = {
745 .phy_id = 0x0143bc70,
746 .phy_id_mask = 0xfffffff0,
747 .name = "Broadcom BCMAC131",
748 .features = PHY_BASIC_FEATURES |
749 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
750 .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
751 .config_init = brcm_fet_config_init,
752 .config_aneg = genphy_config_aneg,
753 .read_status = genphy_read_status,
754 .ack_interrupt = brcm_fet_ack_interrupt,
755 .config_intr = brcm_fet_config_intr,
756 .driver = { .owner = THIS_MODULE },
757 };
758
759 static int __init broadcom_init(void)
760 {
761 int ret;
762
763 ret = phy_driver_register(&bcm5411_driver);
764 if (ret)
765 goto out_5411;
766 ret = phy_driver_register(&bcm5421_driver);
767 if (ret)
768 goto out_5421;
769 ret = phy_driver_register(&bcm5461_driver);
770 if (ret)
771 goto out_5461;
772 ret = phy_driver_register(&bcm5464_driver);
773 if (ret)
774 goto out_5464;
775 ret = phy_driver_register(&bcm5481_driver);
776 if (ret)
777 goto out_5481;
778 ret = phy_driver_register(&bcm5482_driver);
779 if (ret)
780 goto out_5482;
781 ret = phy_driver_register(&bcm50610_driver);
782 if (ret)
783 goto out_50610;
784 ret = phy_driver_register(&bcm50610m_driver);
785 if (ret)
786 goto out_50610m;
787 ret = phy_driver_register(&bcm57780_driver);
788 if (ret)
789 goto out_57780;
790 ret = phy_driver_register(&bcmac131_driver);
791 if (ret)
792 goto out_ac131;
793 return ret;
794
795 out_ac131:
796 phy_driver_unregister(&bcm57780_driver);
797 out_57780:
798 phy_driver_unregister(&bcm50610m_driver);
799 out_50610m:
800 phy_driver_unregister(&bcm50610_driver);
801 out_50610:
802 phy_driver_unregister(&bcm5482_driver);
803 out_5482:
804 phy_driver_unregister(&bcm5481_driver);
805 out_5481:
806 phy_driver_unregister(&bcm5464_driver);
807 out_5464:
808 phy_driver_unregister(&bcm5461_driver);
809 out_5461:
810 phy_driver_unregister(&bcm5421_driver);
811 out_5421:
812 phy_driver_unregister(&bcm5411_driver);
813 out_5411:
814 return ret;
815 }
816
817 static void __exit broadcom_exit(void)
818 {
819 phy_driver_unregister(&bcmac131_driver);
820 phy_driver_unregister(&bcm57780_driver);
821 phy_driver_unregister(&bcm50610m_driver);
822 phy_driver_unregister(&bcm50610_driver);
823 phy_driver_unregister(&bcm5482_driver);
824 phy_driver_unregister(&bcm5481_driver);
825 phy_driver_unregister(&bcm5464_driver);
826 phy_driver_unregister(&bcm5461_driver);
827 phy_driver_unregister(&bcm5421_driver);
828 phy_driver_unregister(&bcm5411_driver);
829 }
830
831 module_init(broadcom_init);
832 module_exit(broadcom_exit);
Support for the Chinese Samsung S3C2440 based development boards