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Andy Fleming00db8182005-07-30 19:31:23 -04001/*
2 * drivers/net/phy/marvell.c
3 *
4 * Driver for Marvell PHYs
5 *
6 * Author: Andy Fleming
7 *
8 * Copyright (c) 2004 Freescale Semiconductor, Inc.
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
14 *
15 */
Andy Fleming00db8182005-07-30 19:31:23 -040016#include <linux/kernel.h>
Andy Fleming00db8182005-07-30 19:31:23 -040017#include <linux/string.h>
18#include <linux/errno.h>
19#include <linux/unistd.h>
Andy Fleming00db8182005-07-30 19:31:23 -040020#include <linux/interrupt.h>
21#include <linux/init.h>
22#include <linux/delay.h>
23#include <linux/netdevice.h>
24#include <linux/etherdevice.h>
25#include <linux/skbuff.h>
26#include <linux/spinlock.h>
27#include <linux/mm.h>
28#include <linux/module.h>
Andy Fleming00db8182005-07-30 19:31:23 -040029#include <linux/mii.h>
30#include <linux/ethtool.h>
31#include <linux/phy.h>
Benjamin Herrenschmidt2f495c32010-06-21 13:20:46 +100032#include <linux/marvell_phy.h>
Andy Fleming00db8182005-07-30 19:31:23 -040033
34#include <asm/io.h>
35#include <asm/irq.h>
36#include <asm/uaccess.h>
37
David Daney27d916d2010-11-19 11:58:52 +000038#define MII_MARVELL_PHY_PAGE 22
39
Andy Fleming00db8182005-07-30 19:31:23 -040040#define MII_M1011_IEVENT 0x13
41#define MII_M1011_IEVENT_CLEAR 0x0000
42
43#define MII_M1011_IMASK 0x12
44#define MII_M1011_IMASK_INIT 0x6400
45#define MII_M1011_IMASK_CLEAR 0x0000
46
Andy Fleming76884672007-02-09 18:13:58 -060047#define MII_M1011_PHY_SCR 0x10
48#define MII_M1011_PHY_SCR_AUTO_CROSS 0x0060
49
50#define MII_M1145_PHY_EXT_CR 0x14
51#define MII_M1145_RGMII_RX_DELAY 0x0080
52#define MII_M1145_RGMII_TX_DELAY 0x0002
53
Andy Fleming76884672007-02-09 18:13:58 -060054#define MII_M1111_PHY_LED_CONTROL 0x18
55#define MII_M1111_PHY_LED_DIRECT 0x4100
56#define MII_M1111_PHY_LED_COMBINE 0x411c
Kim Phillips895ee682007-06-05 18:46:47 +080057#define MII_M1111_PHY_EXT_CR 0x14
58#define MII_M1111_RX_DELAY 0x80
59#define MII_M1111_TX_DELAY 0x2
60#define MII_M1111_PHY_EXT_SR 0x1b
Alexandr Smirnovbe937f12008-03-19 00:37:24 +030061
62#define MII_M1111_HWCFG_MODE_MASK 0xf
63#define MII_M1111_HWCFG_MODE_COPPER_RGMII 0xb
64#define MII_M1111_HWCFG_MODE_FIBER_RGMII 0x3
Kapil Juneja4117b5b2007-05-11 18:25:18 -050065#define MII_M1111_HWCFG_MODE_SGMII_NO_CLK 0x4
Liu Yu-B132015f8cbc12010-01-13 22:13:19 +000066#define MII_M1111_HWCFG_MODE_COPPER_RTBI 0x9
Alexandr Smirnovbe937f12008-03-19 00:37:24 +030067#define MII_M1111_HWCFG_FIBER_COPPER_AUTO 0x8000
68#define MII_M1111_HWCFG_FIBER_COPPER_RES 0x2000
69
70#define MII_M1111_COPPER 0
71#define MII_M1111_FIBER 1
72
Cyril Chemparathyc477d042010-08-02 09:44:53 +000073#define MII_88E1121_PHY_MSCR_PAGE 2
74#define MII_88E1121_PHY_MSCR_REG 21
75#define MII_88E1121_PHY_MSCR_RX_DELAY BIT(5)
76#define MII_88E1121_PHY_MSCR_TX_DELAY BIT(4)
77#define MII_88E1121_PHY_MSCR_DELAY_MASK (~(0x3 << 4))
78
Cyril Chemparathy337ac9d2010-10-29 13:50:25 -070079#define MII_88E1318S_PHY_MSCR1_REG 16
80#define MII_88E1318S_PHY_MSCR1_PAD_ODD BIT(6)
Cyril Chemparathy3ff1c252010-08-03 19:36:06 -070081
Sergei Poselenov140bc922009-04-07 02:01:41 +000082#define MII_88E1121_PHY_LED_CTRL 16
83#define MII_88E1121_PHY_LED_PAGE 3
84#define MII_88E1121_PHY_LED_DEF 0x0030
Sergei Poselenov140bc922009-04-07 02:01:41 +000085
Alexandr Smirnovbe937f12008-03-19 00:37:24 +030086#define MII_M1011_PHY_STATUS 0x11
87#define MII_M1011_PHY_STATUS_1000 0x8000
88#define MII_M1011_PHY_STATUS_100 0x4000
89#define MII_M1011_PHY_STATUS_SPD_MASK 0xc000
90#define MII_M1011_PHY_STATUS_FULLDUPLEX 0x2000
91#define MII_M1011_PHY_STATUS_RESOLVED 0x0800
92#define MII_M1011_PHY_STATUS_LINK 0x0400
93
Andy Fleming76884672007-02-09 18:13:58 -060094
Andy Fleming00db8182005-07-30 19:31:23 -040095MODULE_DESCRIPTION("Marvell PHY driver");
96MODULE_AUTHOR("Andy Fleming");
97MODULE_LICENSE("GPL");
98
99static int marvell_ack_interrupt(struct phy_device *phydev)
100{
101 int err;
102
103 /* Clear the interrupts by reading the reg */
104 err = phy_read(phydev, MII_M1011_IEVENT);
105
106 if (err < 0)
107 return err;
108
109 return 0;
110}
111
112static int marvell_config_intr(struct phy_device *phydev)
113{
114 int err;
115
Andy Fleming76884672007-02-09 18:13:58 -0600116 if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
Andy Fleming00db8182005-07-30 19:31:23 -0400117 err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_INIT);
118 else
119 err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_CLEAR);
120
121 return err;
122}
123
124static int marvell_config_aneg(struct phy_device *phydev)
125{
126 int err;
127
128 /* The Marvell PHY has an errata which requires
129 * that certain registers get written in order
130 * to restart autonegotiation */
131 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
132
133 if (err < 0)
134 return err;
135
136 err = phy_write(phydev, 0x1d, 0x1f);
137 if (err < 0)
138 return err;
139
140 err = phy_write(phydev, 0x1e, 0x200c);
141 if (err < 0)
142 return err;
143
144 err = phy_write(phydev, 0x1d, 0x5);
145 if (err < 0)
146 return err;
147
148 err = phy_write(phydev, 0x1e, 0);
149 if (err < 0)
150 return err;
151
152 err = phy_write(phydev, 0x1e, 0x100);
153 if (err < 0)
154 return err;
155
Andy Fleming76884672007-02-09 18:13:58 -0600156 err = phy_write(phydev, MII_M1011_PHY_SCR,
157 MII_M1011_PHY_SCR_AUTO_CROSS);
158 if (err < 0)
159 return err;
160
161 err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
162 MII_M1111_PHY_LED_DIRECT);
163 if (err < 0)
164 return err;
Andy Fleming00db8182005-07-30 19:31:23 -0400165
166 err = genphy_config_aneg(phydev);
Anton Vorontsov8ff44982009-09-09 16:01:30 +0000167 if (err < 0)
168 return err;
Andy Fleming00db8182005-07-30 19:31:23 -0400169
Anton Vorontsov8ff44982009-09-09 16:01:30 +0000170 if (phydev->autoneg != AUTONEG_ENABLE) {
171 int bmcr;
172
173 /*
174 * A write to speed/duplex bits (that is performed by
175 * genphy_config_aneg() call above) must be followed by
176 * a software reset. Otherwise, the write has no effect.
177 */
178 bmcr = phy_read(phydev, MII_BMCR);
179 if (bmcr < 0)
180 return bmcr;
181
182 err = phy_write(phydev, MII_BMCR, bmcr | BMCR_RESET);
183 if (err < 0)
184 return err;
185 }
186
187 return 0;
Andy Fleming00db8182005-07-30 19:31:23 -0400188}
189
Sergei Poselenov140bc922009-04-07 02:01:41 +0000190static int m88e1121_config_aneg(struct phy_device *phydev)
191{
Cyril Chemparathyc477d042010-08-02 09:44:53 +0000192 int err, oldpage, mscr;
193
David Daney27d916d2010-11-19 11:58:52 +0000194 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
Cyril Chemparathyc477d042010-08-02 09:44:53 +0000195
David Daney27d916d2010-11-19 11:58:52 +0000196 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
Cyril Chemparathyc477d042010-08-02 09:44:53 +0000197 MII_88E1121_PHY_MSCR_PAGE);
198 if (err < 0)
199 return err;
Cyril Chemparathyc477d042010-08-02 09:44:53 +0000200
Arnaud Patardbe8c6482010-10-21 03:59:57 -0700201 if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
202 (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) ||
203 (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
204 (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) {
Cyril Chemparathyc477d042010-08-02 09:44:53 +0000205
Arnaud Patardbe8c6482010-10-21 03:59:57 -0700206 mscr = phy_read(phydev, MII_88E1121_PHY_MSCR_REG) &
207 MII_88E1121_PHY_MSCR_DELAY_MASK;
208
209 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
210 mscr |= (MII_88E1121_PHY_MSCR_RX_DELAY |
211 MII_88E1121_PHY_MSCR_TX_DELAY);
212 else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
213 mscr |= MII_88E1121_PHY_MSCR_RX_DELAY;
214 else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
215 mscr |= MII_88E1121_PHY_MSCR_TX_DELAY;
216
217 err = phy_write(phydev, MII_88E1121_PHY_MSCR_REG, mscr);
218 if (err < 0)
219 return err;
220 }
Cyril Chemparathyc477d042010-08-02 09:44:53 +0000221
David Daney27d916d2010-11-19 11:58:52 +0000222 phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
Sergei Poselenov140bc922009-04-07 02:01:41 +0000223
224 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
225 if (err < 0)
226 return err;
227
228 err = phy_write(phydev, MII_M1011_PHY_SCR,
229 MII_M1011_PHY_SCR_AUTO_CROSS);
230 if (err < 0)
231 return err;
232
David Daney27d916d2010-11-19 11:58:52 +0000233 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
Sergei Poselenov140bc922009-04-07 02:01:41 +0000234
David Daney27d916d2010-11-19 11:58:52 +0000235 phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1121_PHY_LED_PAGE);
Sergei Poselenov140bc922009-04-07 02:01:41 +0000236 phy_write(phydev, MII_88E1121_PHY_LED_CTRL, MII_88E1121_PHY_LED_DEF);
David Daney27d916d2010-11-19 11:58:52 +0000237 phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
Sergei Poselenov140bc922009-04-07 02:01:41 +0000238
239 err = genphy_config_aneg(phydev);
240
241 return err;
242}
243
Cyril Chemparathy337ac9d2010-10-29 13:50:25 -0700244static int m88e1318_config_aneg(struct phy_device *phydev)
Cyril Chemparathy3ff1c252010-08-03 19:36:06 -0700245{
246 int err, oldpage, mscr;
247
David Daney27d916d2010-11-19 11:58:52 +0000248 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
Cyril Chemparathy3ff1c252010-08-03 19:36:06 -0700249
David Daney27d916d2010-11-19 11:58:52 +0000250 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
Cyril Chemparathy3ff1c252010-08-03 19:36:06 -0700251 MII_88E1121_PHY_MSCR_PAGE);
252 if (err < 0)
253 return err;
254
Cyril Chemparathy337ac9d2010-10-29 13:50:25 -0700255 mscr = phy_read(phydev, MII_88E1318S_PHY_MSCR1_REG);
256 mscr |= MII_88E1318S_PHY_MSCR1_PAD_ODD;
Cyril Chemparathy3ff1c252010-08-03 19:36:06 -0700257
Cyril Chemparathy337ac9d2010-10-29 13:50:25 -0700258 err = phy_write(phydev, MII_88E1318S_PHY_MSCR1_REG, mscr);
Cyril Chemparathy3ff1c252010-08-03 19:36:06 -0700259 if (err < 0)
260 return err;
261
David Daney27d916d2010-11-19 11:58:52 +0000262 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
Cyril Chemparathy3ff1c252010-08-03 19:36:06 -0700263 if (err < 0)
264 return err;
265
266 return m88e1121_config_aneg(phydev);
267}
268
Kim Phillips895ee682007-06-05 18:46:47 +0800269static int m88e1111_config_init(struct phy_device *phydev)
270{
271 int err;
Alexandr Smirnovbe937f12008-03-19 00:37:24 +0300272 int temp;
Alexandr Smirnovbe937f12008-03-19 00:37:24 +0300273
274 /* Enable Fiber/Copper auto selection */
275 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
Wang Jian9cf8fa42008-07-16 21:46:17 +0800276 temp &= ~MII_M1111_HWCFG_FIBER_COPPER_AUTO;
Alexandr Smirnovbe937f12008-03-19 00:37:24 +0300277 phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
278
279 temp = phy_read(phydev, MII_BMCR);
280 temp |= BMCR_RESET;
281 phy_write(phydev, MII_BMCR, temp);
Kim Phillips895ee682007-06-05 18:46:47 +0800282
283 if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
Kim Phillips9daf5a72007-11-26 16:17:52 -0600284 (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) ||
285 (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
286 (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) {
Kim Phillips895ee682007-06-05 18:46:47 +0800287
Kim Phillips9daf5a72007-11-26 16:17:52 -0600288 temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
289 if (temp < 0)
290 return temp;
291
Kim Phillips895ee682007-06-05 18:46:47 +0800292 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
Kim Phillips895ee682007-06-05 18:46:47 +0800293 temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
Kim Phillips9daf5a72007-11-26 16:17:52 -0600294 } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
295 temp &= ~MII_M1111_TX_DELAY;
296 temp |= MII_M1111_RX_DELAY;
297 } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
298 temp &= ~MII_M1111_RX_DELAY;
299 temp |= MII_M1111_TX_DELAY;
Kim Phillips895ee682007-06-05 18:46:47 +0800300 }
301
Kim Phillips9daf5a72007-11-26 16:17:52 -0600302 err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
303 if (err < 0)
304 return err;
305
Kim Phillips895ee682007-06-05 18:46:47 +0800306 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
307 if (temp < 0)
308 return temp;
309
310 temp &= ~(MII_M1111_HWCFG_MODE_MASK);
Alexandr Smirnovbe937f12008-03-19 00:37:24 +0300311
Wang Jian7239016d2008-07-16 21:46:20 +0800312 if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES)
Alexandr Smirnovbe937f12008-03-19 00:37:24 +0300313 temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
314 else
315 temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
Kim Phillips895ee682007-06-05 18:46:47 +0800316
317 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
318 if (err < 0)
319 return err;
320 }
321
Kapil Juneja4117b5b2007-05-11 18:25:18 -0500322 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
Kapil Juneja4117b5b2007-05-11 18:25:18 -0500323 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
324 if (temp < 0)
325 return temp;
326
327 temp &= ~(MII_M1111_HWCFG_MODE_MASK);
328 temp |= MII_M1111_HWCFG_MODE_SGMII_NO_CLK;
Haiying Wang32d0c1e2009-06-02 04:04:13 +0000329 temp |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
Kapil Juneja4117b5b2007-05-11 18:25:18 -0500330
331 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
332 if (err < 0)
333 return err;
334 }
335
Liu Yu-B132015f8cbc12010-01-13 22:13:19 +0000336 if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
337 temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
338 if (temp < 0)
339 return temp;
340 temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
341 err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
342 if (err < 0)
343 return err;
344
345 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
346 if (temp < 0)
347 return temp;
348 temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
349 temp |= 0x7 | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
350 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
351 if (err < 0)
352 return err;
353
354 /* soft reset */
355 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
356 if (err < 0)
357 return err;
358 do
359 temp = phy_read(phydev, MII_BMCR);
360 while (temp & BMCR_RESET);
361
362 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
363 if (temp < 0)
364 return temp;
365 temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
366 temp |= MII_M1111_HWCFG_MODE_COPPER_RTBI | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
367 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
368 if (err < 0)
369 return err;
370 }
371
372
Kim Phillips895ee682007-06-05 18:46:47 +0800373 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
374 if (err < 0)
375 return err;
376
377 return 0;
378}
379
Ron Madrid605f1962008-11-06 09:05:26 +0000380static int m88e1118_config_aneg(struct phy_device *phydev)
381{
382 int err;
383
384 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
385 if (err < 0)
386 return err;
387
388 err = phy_write(phydev, MII_M1011_PHY_SCR,
389 MII_M1011_PHY_SCR_AUTO_CROSS);
390 if (err < 0)
391 return err;
392
393 err = genphy_config_aneg(phydev);
394 return 0;
395}
396
397static int m88e1118_config_init(struct phy_device *phydev)
398{
399 int err;
400
401 /* Change address */
David Daney27d916d2010-11-19 11:58:52 +0000402 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
Ron Madrid605f1962008-11-06 09:05:26 +0000403 if (err < 0)
404 return err;
405
406 /* Enable 1000 Mbit */
407 err = phy_write(phydev, 0x15, 0x1070);
408 if (err < 0)
409 return err;
410
411 /* Change address */
David Daney27d916d2010-11-19 11:58:52 +0000412 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0003);
Ron Madrid605f1962008-11-06 09:05:26 +0000413 if (err < 0)
414 return err;
415
416 /* Adjust LED Control */
Benjamin Herrenschmidt2f495c32010-06-21 13:20:46 +1000417 if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS)
418 err = phy_write(phydev, 0x10, 0x1100);
419 else
420 err = phy_write(phydev, 0x10, 0x021e);
Ron Madrid605f1962008-11-06 09:05:26 +0000421 if (err < 0)
422 return err;
423
424 /* Reset address */
David Daney27d916d2010-11-19 11:58:52 +0000425 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
Ron Madrid605f1962008-11-06 09:05:26 +0000426 if (err < 0)
427 return err;
428
429 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
430 if (err < 0)
431 return err;
432
433 return 0;
434}
435
David Daney90600732010-11-19 11:58:53 +0000436static int m88e1149_config_init(struct phy_device *phydev)
437{
438 int err;
439
440 /* Change address */
441 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
442 if (err < 0)
443 return err;
444
445 /* Enable 1000 Mbit */
446 err = phy_write(phydev, 0x15, 0x1048);
447 if (err < 0)
448 return err;
449
450 /* Reset address */
451 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
452 if (err < 0)
453 return err;
454
455 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
456 if (err < 0)
457 return err;
458
459 return 0;
460}
461
Andy Fleming76884672007-02-09 18:13:58 -0600462static int m88e1145_config_init(struct phy_device *phydev)
463{
464 int err;
465
466 /* Take care of errata E0 & E1 */
467 err = phy_write(phydev, 0x1d, 0x001b);
468 if (err < 0)
469 return err;
470
471 err = phy_write(phydev, 0x1e, 0x418f);
472 if (err < 0)
473 return err;
474
475 err = phy_write(phydev, 0x1d, 0x0016);
476 if (err < 0)
477 return err;
478
479 err = phy_write(phydev, 0x1e, 0xa2da);
480 if (err < 0)
481 return err;
482
Kim Phillips895ee682007-06-05 18:46:47 +0800483 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
Andy Fleming76884672007-02-09 18:13:58 -0600484 int temp = phy_read(phydev, MII_M1145_PHY_EXT_CR);
485 if (temp < 0)
486 return temp;
487
488 temp |= (MII_M1145_RGMII_RX_DELAY | MII_M1145_RGMII_TX_DELAY);
489
490 err = phy_write(phydev, MII_M1145_PHY_EXT_CR, temp);
491 if (err < 0)
492 return err;
493
Benjamin Herrenschmidt2f495c32010-06-21 13:20:46 +1000494 if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
Andy Fleming76884672007-02-09 18:13:58 -0600495 err = phy_write(phydev, 0x1d, 0x0012);
496 if (err < 0)
497 return err;
498
499 temp = phy_read(phydev, 0x1e);
500 if (temp < 0)
501 return temp;
502
503 temp &= 0xf03f;
504 temp |= 2 << 9; /* 36 ohm */
505 temp |= 2 << 6; /* 39 ohm */
506
507 err = phy_write(phydev, 0x1e, temp);
508 if (err < 0)
509 return err;
510
511 err = phy_write(phydev, 0x1d, 0x3);
512 if (err < 0)
513 return err;
514
515 err = phy_write(phydev, 0x1e, 0x8000);
516 if (err < 0)
517 return err;
518 }
519 }
520
521 return 0;
522}
Andy Fleming00db8182005-07-30 19:31:23 -0400523
Alexandr Smirnovbe937f12008-03-19 00:37:24 +0300524/* marvell_read_status
525 *
526 * Generic status code does not detect Fiber correctly!
Jeff Garzikf0c88f92008-03-25 23:53:24 -0400527 * Description:
Alexandr Smirnovbe937f12008-03-19 00:37:24 +0300528 * Check the link, then figure out the current state
529 * by comparing what we advertise with what the link partner
530 * advertises. Start by checking the gigabit possibilities,
531 * then move on to 10/100.
532 */
533static int marvell_read_status(struct phy_device *phydev)
534{
535 int adv;
536 int err;
537 int lpa;
538 int status = 0;
539
540 /* Update the link, but return if there
541 * was an error */
542 err = genphy_update_link(phydev);
543 if (err)
544 return err;
545
546 if (AUTONEG_ENABLE == phydev->autoneg) {
547 status = phy_read(phydev, MII_M1011_PHY_STATUS);
548 if (status < 0)
549 return status;
550
551 lpa = phy_read(phydev, MII_LPA);
552 if (lpa < 0)
553 return lpa;
554
555 adv = phy_read(phydev, MII_ADVERTISE);
556 if (adv < 0)
557 return adv;
558
559 lpa &= adv;
560
561 if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
562 phydev->duplex = DUPLEX_FULL;
563 else
564 phydev->duplex = DUPLEX_HALF;
565
566 status = status & MII_M1011_PHY_STATUS_SPD_MASK;
567 phydev->pause = phydev->asym_pause = 0;
568
569 switch (status) {
570 case MII_M1011_PHY_STATUS_1000:
571 phydev->speed = SPEED_1000;
572 break;
573
574 case MII_M1011_PHY_STATUS_100:
575 phydev->speed = SPEED_100;
576 break;
577
578 default:
579 phydev->speed = SPEED_10;
580 break;
581 }
582
583 if (phydev->duplex == DUPLEX_FULL) {
584 phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
585 phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
586 }
587 } else {
588 int bmcr = phy_read(phydev, MII_BMCR);
589
590 if (bmcr < 0)
591 return bmcr;
592
593 if (bmcr & BMCR_FULLDPLX)
594 phydev->duplex = DUPLEX_FULL;
595 else
596 phydev->duplex = DUPLEX_HALF;
597
598 if (bmcr & BMCR_SPEED1000)
599 phydev->speed = SPEED_1000;
600 else if (bmcr & BMCR_SPEED100)
601 phydev->speed = SPEED_100;
602 else
603 phydev->speed = SPEED_10;
604
605 phydev->pause = phydev->asym_pause = 0;
606 }
607
608 return 0;
609}
610
Anatolij Gustschindcd07be2009-04-07 02:01:43 +0000611static int m88e1121_did_interrupt(struct phy_device *phydev)
612{
613 int imask;
614
615 imask = phy_read(phydev, MII_M1011_IEVENT);
616
617 if (imask & MII_M1011_IMASK_INIT)
618 return 1;
619
620 return 0;
621}
622
Olof Johanssone5479232007-07-03 16:23:46 -0500623static struct phy_driver marvell_drivers[] = {
624 {
Benjamin Herrenschmidt2f495c32010-06-21 13:20:46 +1000625 .phy_id = MARVELL_PHY_ID_88E1101,
626 .phy_id_mask = MARVELL_PHY_ID_MASK,
Olof Johanssone5479232007-07-03 16:23:46 -0500627 .name = "Marvell 88E1101",
628 .features = PHY_GBIT_FEATURES,
629 .flags = PHY_HAS_INTERRUPT,
630 .config_aneg = &marvell_config_aneg,
631 .read_status = &genphy_read_status,
632 .ack_interrupt = &marvell_ack_interrupt,
633 .config_intr = &marvell_config_intr,
Olof Johanssonac8c6352007-11-04 16:08:51 -0600634 .driver = { .owner = THIS_MODULE },
Olof Johanssone5479232007-07-03 16:23:46 -0500635 },
636 {
Benjamin Herrenschmidt2f495c32010-06-21 13:20:46 +1000637 .phy_id = MARVELL_PHY_ID_88E1112,
638 .phy_id_mask = MARVELL_PHY_ID_MASK,
Olof Johansson85cfb532007-07-03 16:24:32 -0500639 .name = "Marvell 88E1112",
640 .features = PHY_GBIT_FEATURES,
641 .flags = PHY_HAS_INTERRUPT,
642 .config_init = &m88e1111_config_init,
643 .config_aneg = &marvell_config_aneg,
644 .read_status = &genphy_read_status,
645 .ack_interrupt = &marvell_ack_interrupt,
646 .config_intr = &marvell_config_intr,
Olof Johanssonac8c6352007-11-04 16:08:51 -0600647 .driver = { .owner = THIS_MODULE },
Olof Johansson85cfb532007-07-03 16:24:32 -0500648 },
649 {
Benjamin Herrenschmidt2f495c32010-06-21 13:20:46 +1000650 .phy_id = MARVELL_PHY_ID_88E1111,
651 .phy_id_mask = MARVELL_PHY_ID_MASK,
Olof Johanssone5479232007-07-03 16:23:46 -0500652 .name = "Marvell 88E1111",
653 .features = PHY_GBIT_FEATURES,
654 .flags = PHY_HAS_INTERRUPT,
655 .config_init = &m88e1111_config_init,
656 .config_aneg = &marvell_config_aneg,
Alexandr Smirnovbe937f12008-03-19 00:37:24 +0300657 .read_status = &marvell_read_status,
Olof Johanssone5479232007-07-03 16:23:46 -0500658 .ack_interrupt = &marvell_ack_interrupt,
659 .config_intr = &marvell_config_intr,
Olof Johanssonac8c6352007-11-04 16:08:51 -0600660 .driver = { .owner = THIS_MODULE },
Olof Johanssone5479232007-07-03 16:23:46 -0500661 },
662 {
Benjamin Herrenschmidt2f495c32010-06-21 13:20:46 +1000663 .phy_id = MARVELL_PHY_ID_88E1118,
664 .phy_id_mask = MARVELL_PHY_ID_MASK,
Ron Madrid605f1962008-11-06 09:05:26 +0000665 .name = "Marvell 88E1118",
666 .features = PHY_GBIT_FEATURES,
667 .flags = PHY_HAS_INTERRUPT,
668 .config_init = &m88e1118_config_init,
669 .config_aneg = &m88e1118_config_aneg,
670 .read_status = &genphy_read_status,
671 .ack_interrupt = &marvell_ack_interrupt,
672 .config_intr = &marvell_config_intr,
673 .driver = {.owner = THIS_MODULE,},
674 },
675 {
Benjamin Herrenschmidt2f495c32010-06-21 13:20:46 +1000676 .phy_id = MARVELL_PHY_ID_88E1121R,
677 .phy_id_mask = MARVELL_PHY_ID_MASK,
Sergei Poselenov140bc922009-04-07 02:01:41 +0000678 .name = "Marvell 88E1121R",
679 .features = PHY_GBIT_FEATURES,
680 .flags = PHY_HAS_INTERRUPT,
681 .config_aneg = &m88e1121_config_aneg,
682 .read_status = &marvell_read_status,
683 .ack_interrupt = &marvell_ack_interrupt,
684 .config_intr = &marvell_config_intr,
Anatolij Gustschindcd07be2009-04-07 02:01:43 +0000685 .did_interrupt = &m88e1121_did_interrupt,
Sergei Poselenov140bc922009-04-07 02:01:41 +0000686 .driver = { .owner = THIS_MODULE },
687 },
688 {
Cyril Chemparathy337ac9d2010-10-29 13:50:25 -0700689 .phy_id = MARVELL_PHY_ID_88E1318S,
Linus Torvalds6ba74012010-08-04 11:47:58 -0700690 .phy_id_mask = MARVELL_PHY_ID_MASK,
Cyril Chemparathy337ac9d2010-10-29 13:50:25 -0700691 .name = "Marvell 88E1318S",
Cyril Chemparathy3ff1c252010-08-03 19:36:06 -0700692 .features = PHY_GBIT_FEATURES,
693 .flags = PHY_HAS_INTERRUPT,
Cyril Chemparathy337ac9d2010-10-29 13:50:25 -0700694 .config_aneg = &m88e1318_config_aneg,
Cyril Chemparathy3ff1c252010-08-03 19:36:06 -0700695 .read_status = &marvell_read_status,
696 .ack_interrupt = &marvell_ack_interrupt,
697 .config_intr = &marvell_config_intr,
698 .did_interrupt = &m88e1121_did_interrupt,
699 .driver = { .owner = THIS_MODULE },
700 },
701 {
Benjamin Herrenschmidt2f495c32010-06-21 13:20:46 +1000702 .phy_id = MARVELL_PHY_ID_88E1145,
703 .phy_id_mask = MARVELL_PHY_ID_MASK,
Olof Johanssone5479232007-07-03 16:23:46 -0500704 .name = "Marvell 88E1145",
705 .features = PHY_GBIT_FEATURES,
706 .flags = PHY_HAS_INTERRUPT,
707 .config_init = &m88e1145_config_init,
708 .config_aneg = &marvell_config_aneg,
709 .read_status = &genphy_read_status,
710 .ack_interrupt = &marvell_ack_interrupt,
711 .config_intr = &marvell_config_intr,
Olof Johanssonac8c6352007-11-04 16:08:51 -0600712 .driver = { .owner = THIS_MODULE },
713 },
714 {
David Daney90600732010-11-19 11:58:53 +0000715 .phy_id = MARVELL_PHY_ID_88E1149R,
716 .phy_id_mask = MARVELL_PHY_ID_MASK,
717 .name = "Marvell 88E1149R",
718 .features = PHY_GBIT_FEATURES,
719 .flags = PHY_HAS_INTERRUPT,
720 .config_init = &m88e1149_config_init,
721 .config_aneg = &m88e1118_config_aneg,
722 .read_status = &genphy_read_status,
723 .ack_interrupt = &marvell_ack_interrupt,
724 .config_intr = &marvell_config_intr,
725 .driver = { .owner = THIS_MODULE },
726 },
727 {
Benjamin Herrenschmidt2f495c32010-06-21 13:20:46 +1000728 .phy_id = MARVELL_PHY_ID_88E1240,
729 .phy_id_mask = MARVELL_PHY_ID_MASK,
Olof Johanssonac8c6352007-11-04 16:08:51 -0600730 .name = "Marvell 88E1240",
731 .features = PHY_GBIT_FEATURES,
732 .flags = PHY_HAS_INTERRUPT,
733 .config_init = &m88e1111_config_init,
734 .config_aneg = &marvell_config_aneg,
735 .read_status = &genphy_read_status,
736 .ack_interrupt = &marvell_ack_interrupt,
737 .config_intr = &marvell_config_intr,
738 .driver = { .owner = THIS_MODULE },
739 },
Andy Fleming00db8182005-07-30 19:31:23 -0400740};
741
742static int __init marvell_init(void)
743{
Andy Fleming76884672007-02-09 18:13:58 -0600744 int ret;
Olof Johanssone5479232007-07-03 16:23:46 -0500745 int i;
Andy Fleming76884672007-02-09 18:13:58 -0600746
Olof Johanssone5479232007-07-03 16:23:46 -0500747 for (i = 0; i < ARRAY_SIZE(marvell_drivers); i++) {
748 ret = phy_driver_register(&marvell_drivers[i]);
Andy Fleming76884672007-02-09 18:13:58 -0600749
Olof Johanssone5479232007-07-03 16:23:46 -0500750 if (ret) {
751 while (i-- > 0)
752 phy_driver_unregister(&marvell_drivers[i]);
753 return ret;
754 }
755 }
Andy Fleming76884672007-02-09 18:13:58 -0600756
757 return 0;
Andy Fleming00db8182005-07-30 19:31:23 -0400758}
759
760static void __exit marvell_exit(void)
761{
Olof Johanssone5479232007-07-03 16:23:46 -0500762 int i;
763
764 for (i = 0; i < ARRAY_SIZE(marvell_drivers); i++)
765 phy_driver_unregister(&marvell_drivers[i]);
Andy Fleming00db8182005-07-30 19:31:23 -0400766}
767
768module_init(marvell_init);
769module_exit(marvell_exit);
David Woodhouse4e4f10f2010-04-02 01:05:56 +0000770
Uwe Kleine-Königcf93c942010-10-03 23:43:32 +0000771static struct mdio_device_id __maybe_unused marvell_tbl[] = {
David Woodhouse4e4f10f2010-04-02 01:05:56 +0000772 { 0x01410c60, 0xfffffff0 },
773 { 0x01410c90, 0xfffffff0 },
774 { 0x01410cc0, 0xfffffff0 },
775 { 0x01410e10, 0xfffffff0 },
776 { 0x01410cb0, 0xfffffff0 },
777 { 0x01410cd0, 0xfffffff0 },
David Daney90600732010-11-19 11:58:53 +0000778 { 0x01410e50, 0xfffffff0 },
David Woodhouse4e4f10f2010-04-02 01:05:56 +0000779 { 0x01410e30, 0xfffffff0 },
Cyril Chemparathy3ff1c252010-08-03 19:36:06 -0700780 { 0x01410e90, 0xfffffff0 },
David Woodhouse4e4f10f2010-04-02 01:05:56 +0000781 { }
782};
783
784MODULE_DEVICE_TABLE(mdio, marvell_tbl);