Merge branch 'scsi-target-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel...
[GitHub/LineageOS/android_kernel_motorola_exynos9610.git] / drivers / net / phy / marvell.c
CommitLineData
00db8189
AF
1/*
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 *
3871c387
MS
10 * Copyright (c) 2013 Michael Stapelberg <michael@stapelberg.de>
11 *
00db8189
AF
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the
14 * Free Software Foundation; either version 2 of the License, or (at your
15 * option) any later version.
16 *
17 */
00db8189 18#include <linux/kernel.h>
00db8189
AF
19#include <linux/string.h>
20#include <linux/errno.h>
21#include <linux/unistd.h>
00db8189
AF
22#include <linux/interrupt.h>
23#include <linux/init.h>
24#include <linux/delay.h>
25#include <linux/netdevice.h>
26#include <linux/etherdevice.h>
27#include <linux/skbuff.h>
28#include <linux/spinlock.h>
29#include <linux/mm.h>
30#include <linux/module.h>
00db8189
AF
31#include <linux/mii.h>
32#include <linux/ethtool.h>
33#include <linux/phy.h>
2f495c39 34#include <linux/marvell_phy.h>
cf41a51d 35#include <linux/of.h>
00db8189 36
eea3b201 37#include <linux/io.h>
00db8189 38#include <asm/irq.h>
eea3b201 39#include <linux/uaccess.h>
00db8189 40
27d916d6
DD
41#define MII_MARVELL_PHY_PAGE 22
42
00db8189
AF
43#define MII_M1011_IEVENT 0x13
44#define MII_M1011_IEVENT_CLEAR 0x0000
45
46#define MII_M1011_IMASK 0x12
47#define MII_M1011_IMASK_INIT 0x6400
48#define MII_M1011_IMASK_CLEAR 0x0000
49
76884679 50#define MII_M1011_PHY_SCR 0x10
239aa55b
DT
51#define MII_M1011_PHY_SCR_MDI 0x0000
52#define MII_M1011_PHY_SCR_MDI_X 0x0020
76884679
AF
53#define MII_M1011_PHY_SCR_AUTO_CROSS 0x0060
54
07151bc9 55#define MII_M1145_PHY_EXT_ADDR_PAGE 0x16
b0224175 56#define MII_M1145_PHY_EXT_SR 0x1b
76884679
AF
57#define MII_M1145_PHY_EXT_CR 0x14
58#define MII_M1145_RGMII_RX_DELAY 0x0080
59#define MII_M1145_RGMII_TX_DELAY 0x0002
b0224175
VND
60#define MII_M1145_HWCFG_MODE_SGMII_NO_CLK 0x4
61#define MII_M1145_HWCFG_MODE_MASK 0xf
62#define MII_M1145_HWCFG_FIBER_COPPER_AUTO 0x8000
76884679 63
99d881f9
VB
64#define MII_M1145_HWCFG_MODE_SGMII_NO_CLK 0x4
65#define MII_M1145_HWCFG_MODE_MASK 0xf
66#define MII_M1145_HWCFG_FIBER_COPPER_AUTO 0x8000
67
76884679
AF
68#define MII_M1111_PHY_LED_CONTROL 0x18
69#define MII_M1111_PHY_LED_DIRECT 0x4100
70#define MII_M1111_PHY_LED_COMBINE 0x411c
895ee682
KP
71#define MII_M1111_PHY_EXT_CR 0x14
72#define MII_M1111_RX_DELAY 0x80
73#define MII_M1111_TX_DELAY 0x2
74#define MII_M1111_PHY_EXT_SR 0x1b
be937f1f
AS
75
76#define MII_M1111_HWCFG_MODE_MASK 0xf
77#define MII_M1111_HWCFG_MODE_COPPER_RGMII 0xb
78#define MII_M1111_HWCFG_MODE_FIBER_RGMII 0x3
4117b5be 79#define MII_M1111_HWCFG_MODE_SGMII_NO_CLK 0x4
5f8cbc13 80#define MII_M1111_HWCFG_MODE_COPPER_RTBI 0x9
be937f1f
AS
81#define MII_M1111_HWCFG_FIBER_COPPER_AUTO 0x8000
82#define MII_M1111_HWCFG_FIBER_COPPER_RES 0x2000
83
84#define MII_M1111_COPPER 0
85#define MII_M1111_FIBER 1
86
c477d044
CC
87#define MII_88E1121_PHY_MSCR_PAGE 2
88#define MII_88E1121_PHY_MSCR_REG 21
89#define MII_88E1121_PHY_MSCR_RX_DELAY BIT(5)
90#define MII_88E1121_PHY_MSCR_TX_DELAY BIT(4)
91#define MII_88E1121_PHY_MSCR_DELAY_MASK (~(0x3 << 4))
92
337ac9d5
CC
93#define MII_88E1318S_PHY_MSCR1_REG 16
94#define MII_88E1318S_PHY_MSCR1_PAD_ODD BIT(6)
3ff1c259 95
3871c387
MS
96/* Copper Specific Interrupt Enable Register */
97#define MII_88E1318S_PHY_CSIER 0x12
98/* WOL Event Interrupt Enable */
99#define MII_88E1318S_PHY_CSIER_WOL_EIE BIT(7)
100
101/* LED Timer Control Register */
102#define MII_88E1318S_PHY_LED_PAGE 0x03
103#define MII_88E1318S_PHY_LED_TCR 0x12
104#define MII_88E1318S_PHY_LED_TCR_FORCE_INT BIT(15)
105#define MII_88E1318S_PHY_LED_TCR_INTn_ENABLE BIT(7)
106#define MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW BIT(11)
107
108/* Magic Packet MAC address registers */
109#define MII_88E1318S_PHY_MAGIC_PACKET_WORD2 0x17
110#define MII_88E1318S_PHY_MAGIC_PACKET_WORD1 0x18
111#define MII_88E1318S_PHY_MAGIC_PACKET_WORD0 0x19
112
113#define MII_88E1318S_PHY_WOL_PAGE 0x11
114#define MII_88E1318S_PHY_WOL_CTRL 0x10
115#define MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS BIT(12)
116#define MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE BIT(14)
117
140bc929
SP
118#define MII_88E1121_PHY_LED_CTRL 16
119#define MII_88E1121_PHY_LED_PAGE 3
120#define MII_88E1121_PHY_LED_DEF 0x0030
140bc929 121
be937f1f
AS
122#define MII_M1011_PHY_STATUS 0x11
123#define MII_M1011_PHY_STATUS_1000 0x8000
124#define MII_M1011_PHY_STATUS_100 0x4000
125#define MII_M1011_PHY_STATUS_SPD_MASK 0xc000
126#define MII_M1011_PHY_STATUS_FULLDUPLEX 0x2000
127#define MII_M1011_PHY_STATUS_RESOLVED 0x0800
128#define MII_M1011_PHY_STATUS_LINK 0x0400
129
3da09a51
MS
130#define MII_M1116R_CONTROL_REG_MAC 21
131
6b358aed
SH
132#define MII_88E3016_PHY_SPEC_CTRL 0x10
133#define MII_88E3016_DISABLE_SCRAMBLER 0x0200
134#define MII_88E3016_AUTO_MDIX_CROSSOVER 0x0030
76884679 135
930b37ee
SR
136#define MII_88E1510_GEN_CTRL_REG_1 0x14
137#define MII_88E1510_GEN_CTRL_REG_1_MODE_MASK 0x7
138#define MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII 0x1 /* SGMII to copper */
139#define MII_88E1510_GEN_CTRL_REG_1_RESET 0x8000 /* Soft reset */
140
6cfb3bcc
CAC
141#define LPA_FIBER_1000HALF 0x40
142#define LPA_FIBER_1000FULL 0x20
143
144#define LPA_PAUSE_FIBER 0x180
145#define LPA_PAUSE_ASYM_FIBER 0x100
146
147#define ADVERTISE_FIBER_1000HALF 0x40
148#define ADVERTISE_FIBER_1000FULL 0x20
149
150#define ADVERTISE_PAUSE_FIBER 0x180
151#define ADVERTISE_PAUSE_ASYM_FIBER 0x100
152
153#define REGISTER_LINK_STATUS 0x400
2170fef7 154#define NB_FIBER_STATS 1
6cfb3bcc 155
00db8189
AF
156MODULE_DESCRIPTION("Marvell PHY driver");
157MODULE_AUTHOR("Andy Fleming");
158MODULE_LICENSE("GPL");
159
d2fa47d9
AL
160struct marvell_hw_stat {
161 const char *string;
162 u8 page;
163 u8 reg;
164 u8 bits;
165};
166
167static struct marvell_hw_stat marvell_hw_stats[] = {
2170fef7 168 { "phy_receive_errors_copper", 0, 21, 16},
d2fa47d9 169 { "phy_idle_errors", 0, 10, 8 },
2170fef7 170 { "phy_receive_errors_fiber", 1, 21, 16},
d2fa47d9
AL
171};
172
173struct marvell_priv {
174 u64 stats[ARRAY_SIZE(marvell_hw_stats)];
175};
176
00db8189
AF
177static int marvell_ack_interrupt(struct phy_device *phydev)
178{
179 int err;
180
181 /* Clear the interrupts by reading the reg */
182 err = phy_read(phydev, MII_M1011_IEVENT);
183
184 if (err < 0)
185 return err;
186
187 return 0;
188}
189
190static int marvell_config_intr(struct phy_device *phydev)
191{
192 int err;
193
76884679 194 if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
00db8189
AF
195 err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_INIT);
196 else
197 err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_CLEAR);
198
199 return err;
200}
201
239aa55b
DT
202static int marvell_set_polarity(struct phy_device *phydev, int polarity)
203{
204 int reg;
205 int err;
206 int val;
207
208 /* get the current settings */
209 reg = phy_read(phydev, MII_M1011_PHY_SCR);
210 if (reg < 0)
211 return reg;
212
213 val = reg;
214 val &= ~MII_M1011_PHY_SCR_AUTO_CROSS;
215 switch (polarity) {
216 case ETH_TP_MDI:
217 val |= MII_M1011_PHY_SCR_MDI;
218 break;
219 case ETH_TP_MDI_X:
220 val |= MII_M1011_PHY_SCR_MDI_X;
221 break;
222 case ETH_TP_MDI_AUTO:
223 case ETH_TP_MDI_INVALID:
224 default:
225 val |= MII_M1011_PHY_SCR_AUTO_CROSS;
226 break;
227 }
228
229 if (val != reg) {
230 /* Set the new polarity value in the register */
231 err = phy_write(phydev, MII_M1011_PHY_SCR, val);
232 if (err)
233 return err;
234 }
235
236 return 0;
237}
238
00db8189
AF
239static int marvell_config_aneg(struct phy_device *phydev)
240{
241 int err;
242
243 /* The Marvell PHY has an errata which requires
244 * that certain registers get written in order
245 * to restart autonegotiation */
246 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
247
248 if (err < 0)
249 return err;
250
251 err = phy_write(phydev, 0x1d, 0x1f);
252 if (err < 0)
253 return err;
254
255 err = phy_write(phydev, 0x1e, 0x200c);
256 if (err < 0)
257 return err;
258
259 err = phy_write(phydev, 0x1d, 0x5);
260 if (err < 0)
261 return err;
262
263 err = phy_write(phydev, 0x1e, 0);
264 if (err < 0)
265 return err;
266
267 err = phy_write(phydev, 0x1e, 0x100);
268 if (err < 0)
269 return err;
270
4e26c5c3 271 err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
76884679
AF
272 if (err < 0)
273 return err;
274
275 err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
276 MII_M1111_PHY_LED_DIRECT);
277 if (err < 0)
278 return err;
00db8189
AF
279
280 err = genphy_config_aneg(phydev);
8ff44985
AV
281 if (err < 0)
282 return err;
00db8189 283
8ff44985
AV
284 if (phydev->autoneg != AUTONEG_ENABLE) {
285 int bmcr;
286
287 /*
288 * A write to speed/duplex bits (that is performed by
289 * genphy_config_aneg() call above) must be followed by
290 * a software reset. Otherwise, the write has no effect.
291 */
292 bmcr = phy_read(phydev, MII_BMCR);
293 if (bmcr < 0)
294 return bmcr;
295
296 err = phy_write(phydev, MII_BMCR, bmcr | BMCR_RESET);
297 if (err < 0)
298 return err;
299 }
300
301 return 0;
00db8189
AF
302}
303
3ec0a0f1
HK
304static int m88e1111_config_aneg(struct phy_device *phydev)
305{
306 int err;
307
308 /* The Marvell PHY has an errata which requires
309 * that certain registers get written in order
310 * to restart autonegotiation
311 */
312 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
313
4e26c5c3 314 err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
3ec0a0f1
HK
315 if (err < 0)
316 return err;
317
318 err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
319 MII_M1111_PHY_LED_DIRECT);
320 if (err < 0)
321 return err;
322
323 err = genphy_config_aneg(phydev);
324 if (err < 0)
325 return err;
326
327 if (phydev->autoneg != AUTONEG_ENABLE) {
328 int bmcr;
329
330 /* A write to speed/duplex bits (that is performed by
331 * genphy_config_aneg() call above) must be followed by
332 * a software reset. Otherwise, the write has no effect.
333 */
334 bmcr = phy_read(phydev, MII_BMCR);
335 if (bmcr < 0)
336 return bmcr;
337
338 err = phy_write(phydev, MII_BMCR, bmcr | BMCR_RESET);
339 if (err < 0)
340 return err;
341 }
342
343 return 0;
344}
345
cf41a51d
DD
346#ifdef CONFIG_OF_MDIO
347/*
348 * Set and/or override some configuration registers based on the
349 * marvell,reg-init property stored in the of_node for the phydev.
350 *
351 * marvell,reg-init = <reg-page reg mask value>,...;
352 *
353 * There may be one or more sets of <reg-page reg mask value>:
354 *
355 * reg-page: which register bank to use.
356 * reg: the register.
357 * mask: if non-zero, ANDed with existing register value.
358 * value: ORed with the masked value and written to the regiser.
359 *
360 */
361static int marvell_of_reg_init(struct phy_device *phydev)
362{
363 const __be32 *paddr;
b5718b5a 364 int len, i, saved_page, current_page, ret;
cf41a51d 365
e5a03bfd 366 if (!phydev->mdio.dev.of_node)
cf41a51d
DD
367 return 0;
368
e5a03bfd
AL
369 paddr = of_get_property(phydev->mdio.dev.of_node,
370 "marvell,reg-init", &len);
cf41a51d
DD
371 if (!paddr || len < (4 * sizeof(*paddr)))
372 return 0;
373
374 saved_page = phy_read(phydev, MII_MARVELL_PHY_PAGE);
375 if (saved_page < 0)
376 return saved_page;
cf41a51d
DD
377 current_page = saved_page;
378
379 ret = 0;
380 len /= sizeof(*paddr);
381 for (i = 0; i < len - 3; i += 4) {
382 u16 reg_page = be32_to_cpup(paddr + i);
383 u16 reg = be32_to_cpup(paddr + i + 1);
384 u16 mask = be32_to_cpup(paddr + i + 2);
385 u16 val_bits = be32_to_cpup(paddr + i + 3);
386 int val;
387
388 if (reg_page != current_page) {
389 current_page = reg_page;
cf41a51d
DD
390 ret = phy_write(phydev, MII_MARVELL_PHY_PAGE, reg_page);
391 if (ret < 0)
392 goto err;
393 }
394
395 val = 0;
396 if (mask) {
397 val = phy_read(phydev, reg);
398 if (val < 0) {
399 ret = val;
400 goto err;
401 }
402 val &= mask;
403 }
404 val |= val_bits;
405
406 ret = phy_write(phydev, reg, val);
407 if (ret < 0)
408 goto err;
409
410 }
411err:
b5718b5a 412 if (current_page != saved_page) {
cf41a51d
DD
413 i = phy_write(phydev, MII_MARVELL_PHY_PAGE, saved_page);
414 if (ret == 0)
415 ret = i;
416 }
417 return ret;
418}
419#else
420static int marvell_of_reg_init(struct phy_device *phydev)
421{
422 return 0;
423}
424#endif /* CONFIG_OF_MDIO */
425
140bc929
SP
426static int m88e1121_config_aneg(struct phy_device *phydev)
427{
c477d044
CC
428 int err, oldpage, mscr;
429
27d916d6 430 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
c477d044 431
27d916d6 432 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
c477d044
CC
433 MII_88E1121_PHY_MSCR_PAGE);
434 if (err < 0)
435 return err;
be8c6480 436
32a64161 437 if (phy_interface_is_rgmii(phydev)) {
be8c6480
AP
438
439 mscr = phy_read(phydev, MII_88E1121_PHY_MSCR_REG) &
440 MII_88E1121_PHY_MSCR_DELAY_MASK;
441
442 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
443 mscr |= (MII_88E1121_PHY_MSCR_RX_DELAY |
444 MII_88E1121_PHY_MSCR_TX_DELAY);
445 else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
446 mscr |= MII_88E1121_PHY_MSCR_RX_DELAY;
447 else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
448 mscr |= MII_88E1121_PHY_MSCR_TX_DELAY;
449
450 err = phy_write(phydev, MII_88E1121_PHY_MSCR_REG, mscr);
451 if (err < 0)
452 return err;
453 }
c477d044 454
27d916d6 455 phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
140bc929
SP
456
457 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
458 if (err < 0)
459 return err;
460
461 err = phy_write(phydev, MII_M1011_PHY_SCR,
462 MII_M1011_PHY_SCR_AUTO_CROSS);
463 if (err < 0)
464 return err;
465
fdecf36f 466 return genphy_config_aneg(phydev);
140bc929
SP
467}
468
337ac9d5 469static int m88e1318_config_aneg(struct phy_device *phydev)
3ff1c259
CC
470{
471 int err, oldpage, mscr;
472
27d916d6 473 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
3ff1c259 474
27d916d6 475 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
3ff1c259
CC
476 MII_88E1121_PHY_MSCR_PAGE);
477 if (err < 0)
478 return err;
479
337ac9d5
CC
480 mscr = phy_read(phydev, MII_88E1318S_PHY_MSCR1_REG);
481 mscr |= MII_88E1318S_PHY_MSCR1_PAD_ODD;
3ff1c259 482
337ac9d5 483 err = phy_write(phydev, MII_88E1318S_PHY_MSCR1_REG, mscr);
3ff1c259
CC
484 if (err < 0)
485 return err;
486
27d916d6 487 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
3ff1c259
CC
488 if (err < 0)
489 return err;
490
491 return m88e1121_config_aneg(phydev);
492}
493
78301ebe
CAC
494/**
495 * ethtool_adv_to_fiber_adv_t
496 * @ethadv: the ethtool advertisement settings
497 *
498 * A small helper function that translates ethtool advertisement
499 * settings to phy autonegotiation advertisements for the
500 * MII_ADV register for fiber link.
501 */
502static inline u32 ethtool_adv_to_fiber_adv_t(u32 ethadv)
503{
504 u32 result = 0;
505
506 if (ethadv & ADVERTISED_1000baseT_Half)
507 result |= ADVERTISE_FIBER_1000HALF;
508 if (ethadv & ADVERTISED_1000baseT_Full)
509 result |= ADVERTISE_FIBER_1000FULL;
510
511 if ((ethadv & ADVERTISE_PAUSE_ASYM) && (ethadv & ADVERTISE_PAUSE_CAP))
512 result |= LPA_PAUSE_ASYM_FIBER;
513 else if (ethadv & ADVERTISE_PAUSE_CAP)
514 result |= (ADVERTISE_PAUSE_FIBER
515 & (~ADVERTISE_PAUSE_ASYM_FIBER));
516
517 return result;
518}
519
520/**
521 * marvell_config_aneg_fiber - restart auto-negotiation or write BMCR
522 * @phydev: target phy_device struct
523 *
524 * Description: If auto-negotiation is enabled, we configure the
525 * advertising, and then restart auto-negotiation. If it is not
526 * enabled, then we write the BMCR. Adapted for fiber link in
527 * some Marvell's devices.
528 */
529static int marvell_config_aneg_fiber(struct phy_device *phydev)
530{
531 int changed = 0;
532 int err;
533 int adv, oldadv;
534 u32 advertise;
535
536 if (phydev->autoneg != AUTONEG_ENABLE)
537 return genphy_setup_forced(phydev);
538
539 /* Only allow advertising what this PHY supports */
540 phydev->advertising &= phydev->supported;
541 advertise = phydev->advertising;
542
543 /* Setup fiber advertisement */
544 adv = phy_read(phydev, MII_ADVERTISE);
545 if (adv < 0)
546 return adv;
547
548 oldadv = adv;
549 adv &= ~(ADVERTISE_FIBER_1000HALF | ADVERTISE_FIBER_1000FULL
550 | LPA_PAUSE_FIBER);
551 adv |= ethtool_adv_to_fiber_adv_t(advertise);
552
553 if (adv != oldadv) {
554 err = phy_write(phydev, MII_ADVERTISE, adv);
555 if (err < 0)
556 return err;
557
558 changed = 1;
559 }
560
561 if (changed == 0) {
562 /* Advertisement hasn't changed, but maybe aneg was never on to
563 * begin with? Or maybe phy was isolated?
564 */
565 int ctl = phy_read(phydev, MII_BMCR);
566
567 if (ctl < 0)
568 return ctl;
569
570 if (!(ctl & BMCR_ANENABLE) || (ctl & BMCR_ISOLATE))
571 changed = 1; /* do restart aneg */
572 }
573
574 /* Only restart aneg if we are advertising something different
575 * than we were before.
576 */
577 if (changed > 0)
578 changed = genphy_restart_aneg(phydev);
579
580 return changed;
581}
582
10e24caa
MS
583static int m88e1510_config_aneg(struct phy_device *phydev)
584{
585 int err;
586
78301ebe
CAC
587 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
588 if (err < 0)
589 goto error;
590
591 /* Configure the copper link first */
10e24caa
MS
592 err = m88e1318_config_aneg(phydev);
593 if (err < 0)
78301ebe 594 goto error;
10e24caa 595
78301ebe
CAC
596 /* Then the fiber link */
597 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_FIBER);
598 if (err < 0)
599 goto error;
600
601 err = marvell_config_aneg_fiber(phydev);
602 if (err < 0)
603 goto error;
604
605 return phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
606
607error:
608 phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
609 return err;
79be1a1c
CG
610}
611
612static int marvell_config_init(struct phy_device *phydev)
613{
614 /* Set registers from marvell,reg-init DT property */
10e24caa
MS
615 return marvell_of_reg_init(phydev);
616}
617
3da09a51
MS
618static int m88e1116r_config_init(struct phy_device *phydev)
619{
620 int temp;
621 int err;
622
623 temp = phy_read(phydev, MII_BMCR);
624 temp |= BMCR_RESET;
625 err = phy_write(phydev, MII_BMCR, temp);
626 if (err < 0)
627 return err;
628
629 mdelay(500);
630
631 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
632 if (err < 0)
633 return err;
634
635 temp = phy_read(phydev, MII_M1011_PHY_SCR);
636 temp |= (7 << 12); /* max number of gigabit attempts */
637 temp |= (1 << 11); /* enable downshift */
638 temp |= MII_M1011_PHY_SCR_AUTO_CROSS;
639 err = phy_write(phydev, MII_M1011_PHY_SCR, temp);
640 if (err < 0)
641 return err;
642
643 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 2);
644 if (err < 0)
645 return err;
646 temp = phy_read(phydev, MII_M1116R_CONTROL_REG_MAC);
647 temp |= (1 << 5);
648 temp |= (1 << 4);
649 err = phy_write(phydev, MII_M1116R_CONTROL_REG_MAC, temp);
650 if (err < 0)
651 return err;
652 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
653 if (err < 0)
654 return err;
655
656 temp = phy_read(phydev, MII_BMCR);
657 temp |= BMCR_RESET;
658 err = phy_write(phydev, MII_BMCR, temp);
659 if (err < 0)
660 return err;
661
662 mdelay(500);
663
79be1a1c 664 return marvell_config_init(phydev);
3da09a51
MS
665}
666
6b358aed
SH
667static int m88e3016_config_init(struct phy_device *phydev)
668{
669 int reg;
670
671 /* Enable Scrambler and Auto-Crossover */
672 reg = phy_read(phydev, MII_88E3016_PHY_SPEC_CTRL);
673 if (reg < 0)
674 return reg;
675
676 reg &= ~MII_88E3016_DISABLE_SCRAMBLER;
677 reg |= MII_88E3016_AUTO_MDIX_CROSSOVER;
678
679 reg = phy_write(phydev, MII_88E3016_PHY_SPEC_CTRL, reg);
680 if (reg < 0)
681 return reg;
682
79be1a1c 683 return marvell_config_init(phydev);
6b358aed
SH
684}
685
895ee682
KP
686static int m88e1111_config_init(struct phy_device *phydev)
687{
688 int err;
be937f1f 689 int temp;
be937f1f 690
32a64161 691 if (phy_interface_is_rgmii(phydev)) {
895ee682 692
9daf5a76
KP
693 temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
694 if (temp < 0)
695 return temp;
895ee682 696
9daf5a76 697 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
895ee682 698 temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
9daf5a76
KP
699 } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
700 temp &= ~MII_M1111_TX_DELAY;
701 temp |= MII_M1111_RX_DELAY;
702 } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
703 temp &= ~MII_M1111_RX_DELAY;
704 temp |= MII_M1111_TX_DELAY;
895ee682
KP
705 }
706
9daf5a76
KP
707 err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
708 if (err < 0)
709 return err;
710
895ee682
KP
711 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
712 if (temp < 0)
713 return temp;
714
715 temp &= ~(MII_M1111_HWCFG_MODE_MASK);
be937f1f 716
7239016d 717 if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES)
be937f1f
AS
718 temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
719 else
720 temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
895ee682
KP
721
722 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
723 if (err < 0)
724 return err;
725 }
726
4117b5be 727 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
4117b5be
KJ
728 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
729 if (temp < 0)
730 return temp;
731
732 temp &= ~(MII_M1111_HWCFG_MODE_MASK);
733 temp |= MII_M1111_HWCFG_MODE_SGMII_NO_CLK;
32d0c1e1 734 temp |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
4117b5be
KJ
735
736 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
737 if (err < 0)
738 return err;
07151bc9
MB
739
740 /* make sure copper is selected */
741 err = phy_read(phydev, MII_M1145_PHY_EXT_ADDR_PAGE);
742 if (err < 0)
743 return err;
744
745 err = phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE,
746 err & (~0xff));
747 if (err < 0)
748 return err;
4117b5be
KJ
749 }
750
5f8cbc13
LYB
751 if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
752 temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
753 if (temp < 0)
754 return temp;
755 temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
756 err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
757 if (err < 0)
758 return err;
759
760 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
761 if (temp < 0)
762 return temp;
763 temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
764 temp |= 0x7 | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
765 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
766 if (err < 0)
767 return err;
768
769 /* soft reset */
770 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
771 if (err < 0)
772 return err;
773 do
774 temp = phy_read(phydev, MII_BMCR);
775 while (temp & BMCR_RESET);
776
777 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
778 if (temp < 0)
779 return temp;
780 temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
781 temp |= MII_M1111_HWCFG_MODE_COPPER_RTBI | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
782 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
783 if (err < 0)
784 return err;
785 }
786
cf41a51d
DD
787 err = marvell_of_reg_init(phydev);
788 if (err < 0)
789 return err;
5f8cbc13 790
cc90cb3b 791 return phy_write(phydev, MII_BMCR, BMCR_RESET);
895ee682
KP
792}
793
fdecf36f
CG
794static int m88e1121_config_init(struct phy_device *phydev)
795{
796 int err, oldpage;
797
798 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
799
800 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1121_PHY_LED_PAGE);
801 if (err < 0)
802 return err;
803
804 /* Default PHY LED config: LED[0] .. Link, LED[1] .. Activity */
805 err = phy_write(phydev, MII_88E1121_PHY_LED_CTRL,
806 MII_88E1121_PHY_LED_DEF);
807 if (err < 0)
808 return err;
809
810 phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
811
812 /* Set marvell,reg-init configuration from device tree */
813 return marvell_config_init(phydev);
814}
815
407353ec
CG
816static int m88e1510_config_init(struct phy_device *phydev)
817{
818 int err;
819 int temp;
820
821 /* SGMII-to-Copper mode initialization */
822 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
823 /* Select page 18 */
824 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 18);
825 if (err < 0)
826 return err;
827
828 /* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
829 temp = phy_read(phydev, MII_88E1510_GEN_CTRL_REG_1);
830 temp &= ~MII_88E1510_GEN_CTRL_REG_1_MODE_MASK;
831 temp |= MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII;
832 err = phy_write(phydev, MII_88E1510_GEN_CTRL_REG_1, temp);
833 if (err < 0)
834 return err;
835
836 /* PHY reset is necessary after changing MODE[2:0] */
837 temp |= MII_88E1510_GEN_CTRL_REG_1_RESET;
838 err = phy_write(phydev, MII_88E1510_GEN_CTRL_REG_1, temp);
839 if (err < 0)
840 return err;
841
842 /* Reset page selection */
843 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
844 if (err < 0)
845 return err;
846 }
847
fdecf36f 848 return m88e1121_config_init(phydev);
407353ec
CG
849}
850
605f196e
RM
851static int m88e1118_config_aneg(struct phy_device *phydev)
852{
853 int err;
854
855 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
856 if (err < 0)
857 return err;
858
859 err = phy_write(phydev, MII_M1011_PHY_SCR,
860 MII_M1011_PHY_SCR_AUTO_CROSS);
861 if (err < 0)
862 return err;
863
864 err = genphy_config_aneg(phydev);
865 return 0;
866}
867
868static int m88e1118_config_init(struct phy_device *phydev)
869{
870 int err;
871
872 /* Change address */
27d916d6 873 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
605f196e
RM
874 if (err < 0)
875 return err;
876
877 /* Enable 1000 Mbit */
878 err = phy_write(phydev, 0x15, 0x1070);
879 if (err < 0)
880 return err;
881
882 /* Change address */
27d916d6 883 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0003);
605f196e
RM
884 if (err < 0)
885 return err;
886
887 /* Adjust LED Control */
2f495c39
BH
888 if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS)
889 err = phy_write(phydev, 0x10, 0x1100);
890 else
891 err = phy_write(phydev, 0x10, 0x021e);
605f196e
RM
892 if (err < 0)
893 return err;
894
cf41a51d
DD
895 err = marvell_of_reg_init(phydev);
896 if (err < 0)
897 return err;
898
605f196e 899 /* Reset address */
27d916d6 900 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
605f196e
RM
901 if (err < 0)
902 return err;
903
cc90cb3b 904 return phy_write(phydev, MII_BMCR, BMCR_RESET);
605f196e
RM
905}
906
90600732
DD
907static int m88e1149_config_init(struct phy_device *phydev)
908{
909 int err;
910
911 /* Change address */
912 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
913 if (err < 0)
914 return err;
915
916 /* Enable 1000 Mbit */
917 err = phy_write(phydev, 0x15, 0x1048);
918 if (err < 0)
919 return err;
920
cf41a51d
DD
921 err = marvell_of_reg_init(phydev);
922 if (err < 0)
923 return err;
924
90600732
DD
925 /* Reset address */
926 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
927 if (err < 0)
928 return err;
929
cc90cb3b 930 return phy_write(phydev, MII_BMCR, BMCR_RESET);
90600732
DD
931}
932
76884679
AF
933static int m88e1145_config_init(struct phy_device *phydev)
934{
935 int err;
b0224175 936 int temp;
76884679
AF
937
938 /* Take care of errata E0 & E1 */
939 err = phy_write(phydev, 0x1d, 0x001b);
940 if (err < 0)
941 return err;
942
943 err = phy_write(phydev, 0x1e, 0x418f);
944 if (err < 0)
945 return err;
946
947 err = phy_write(phydev, 0x1d, 0x0016);
948 if (err < 0)
949 return err;
950
951 err = phy_write(phydev, 0x1e, 0xa2da);
952 if (err < 0)
953 return err;
954
895ee682 955 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
76884679
AF
956 int temp = phy_read(phydev, MII_M1145_PHY_EXT_CR);
957 if (temp < 0)
958 return temp;
959
960 temp |= (MII_M1145_RGMII_RX_DELAY | MII_M1145_RGMII_TX_DELAY);
961
962 err = phy_write(phydev, MII_M1145_PHY_EXT_CR, temp);
963 if (err < 0)
964 return err;
965
2f495c39 966 if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
76884679
AF
967 err = phy_write(phydev, 0x1d, 0x0012);
968 if (err < 0)
969 return err;
970
971 temp = phy_read(phydev, 0x1e);
972 if (temp < 0)
973 return temp;
974
975 temp &= 0xf03f;
976 temp |= 2 << 9; /* 36 ohm */
977 temp |= 2 << 6; /* 39 ohm */
978
979 err = phy_write(phydev, 0x1e, temp);
980 if (err < 0)
981 return err;
982
983 err = phy_write(phydev, 0x1d, 0x3);
984 if (err < 0)
985 return err;
986
987 err = phy_write(phydev, 0x1e, 0x8000);
988 if (err < 0)
989 return err;
990 }
991 }
992
b0224175
VND
993 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
994 temp = phy_read(phydev, MII_M1145_PHY_EXT_SR);
995 if (temp < 0)
996 return temp;
997
99d881f9 998 temp &= ~MII_M1145_HWCFG_MODE_MASK;
b0224175
VND
999 temp |= MII_M1145_HWCFG_MODE_SGMII_NO_CLK;
1000 temp |= MII_M1145_HWCFG_FIBER_COPPER_AUTO;
1001
1002 err = phy_write(phydev, MII_M1145_PHY_EXT_SR, temp);
1003 if (err < 0)
1004 return err;
1005 }
1006
cf41a51d
DD
1007 err = marvell_of_reg_init(phydev);
1008 if (err < 0)
1009 return err;
1010
76884679
AF
1011 return 0;
1012}
00db8189 1013
6cfb3bcc
CAC
1014/**
1015 * fiber_lpa_to_ethtool_lpa_t
1016 * @lpa: value of the MII_LPA register for fiber link
1017 *
1018 * A small helper function that translates MII_LPA
1019 * bits to ethtool LP advertisement settings.
1020 */
1021static u32 fiber_lpa_to_ethtool_lpa_t(u32 lpa)
1022{
1023 u32 result = 0;
1024
1025 if (lpa & LPA_FIBER_1000HALF)
1026 result |= ADVERTISED_1000baseT_Half;
1027 if (lpa & LPA_FIBER_1000FULL)
1028 result |= ADVERTISED_1000baseT_Full;
1029
1030 return result;
1031}
1032
1033/**
1034 * marvell_update_link - update link status in real time in @phydev
1035 * @phydev: target phy_device struct
1036 *
1037 * Description: Update the value in phydev->link to reflect the
1038 * current link value.
1039 */
1040static int marvell_update_link(struct phy_device *phydev, int fiber)
1041{
1042 int status;
1043
1044 /* Use the generic register for copper link, or specific
1045 * register for fiber case */
1046 if (fiber) {
1047 status = phy_read(phydev, MII_M1011_PHY_STATUS);
1048 if (status < 0)
1049 return status;
1050
1051 if ((status & REGISTER_LINK_STATUS) == 0)
1052 phydev->link = 0;
1053 else
1054 phydev->link = 1;
1055 } else {
1056 return genphy_update_link(phydev);
1057 }
1058
1059 return 0;
1060}
1061
1062/* marvell_read_status_page
be937f1f 1063 *
f0c88f9c 1064 * Description:
be937f1f
AS
1065 * Check the link, then figure out the current state
1066 * by comparing what we advertise with what the link partner
1067 * advertises. Start by checking the gigabit possibilities,
1068 * then move on to 10/100.
1069 */
6cfb3bcc 1070static int marvell_read_status_page(struct phy_device *phydev, int page)
be937f1f
AS
1071{
1072 int adv;
1073 int err;
1074 int lpa;
357cd64c 1075 int lpagb;
be937f1f 1076 int status = 0;
6cfb3bcc 1077 int fiber;
be937f1f 1078
6cfb3bcc 1079 /* Detect and update the link, but return if there
be937f1f 1080 * was an error */
6cfb3bcc
CAC
1081 if (page == MII_M1111_FIBER)
1082 fiber = 1;
1083 else
1084 fiber = 0;
1085
1086 err = marvell_update_link(phydev, fiber);
be937f1f
AS
1087 if (err)
1088 return err;
1089
1090 if (AUTONEG_ENABLE == phydev->autoneg) {
1091 status = phy_read(phydev, MII_M1011_PHY_STATUS);
1092 if (status < 0)
1093 return status;
1094
1095 lpa = phy_read(phydev, MII_LPA);
1096 if (lpa < 0)
1097 return lpa;
1098
357cd64c
RK
1099 lpagb = phy_read(phydev, MII_STAT1000);
1100 if (lpagb < 0)
1101 return lpagb;
1102
be937f1f
AS
1103 adv = phy_read(phydev, MII_ADVERTISE);
1104 if (adv < 0)
1105 return adv;
1106
1107 lpa &= adv;
1108
1109 if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
1110 phydev->duplex = DUPLEX_FULL;
1111 else
1112 phydev->duplex = DUPLEX_HALF;
1113
1114 status = status & MII_M1011_PHY_STATUS_SPD_MASK;
1115 phydev->pause = phydev->asym_pause = 0;
1116
1117 switch (status) {
1118 case MII_M1011_PHY_STATUS_1000:
1119 phydev->speed = SPEED_1000;
1120 break;
1121
1122 case MII_M1011_PHY_STATUS_100:
1123 phydev->speed = SPEED_100;
1124 break;
1125
1126 default:
1127 phydev->speed = SPEED_10;
1128 break;
1129 }
1130
6cfb3bcc
CAC
1131 if (!fiber) {
1132 phydev->lp_advertising = mii_stat1000_to_ethtool_lpa_t(lpagb) |
1133 mii_lpa_to_ethtool_lpa_t(lpa);
1134
1135 if (phydev->duplex == DUPLEX_FULL) {
1136 phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
1137 phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
1138 }
1139 } else {
1140 /* The fiber link is only 1000M capable */
1141 phydev->lp_advertising = fiber_lpa_to_ethtool_lpa_t(lpa);
1142
1143 if (phydev->duplex == DUPLEX_FULL) {
1144 if (!(lpa & LPA_PAUSE_FIBER)) {
1145 phydev->pause = 0;
1146 phydev->asym_pause = 0;
1147 } else if ((lpa & LPA_PAUSE_ASYM_FIBER)) {
1148 phydev->pause = 1;
1149 phydev->asym_pause = 1;
1150 } else {
1151 phydev->pause = 1;
1152 phydev->asym_pause = 0;
1153 }
1154 }
be937f1f
AS
1155 }
1156 } else {
1157 int bmcr = phy_read(phydev, MII_BMCR);
1158
1159 if (bmcr < 0)
1160 return bmcr;
1161
1162 if (bmcr & BMCR_FULLDPLX)
1163 phydev->duplex = DUPLEX_FULL;
1164 else
1165 phydev->duplex = DUPLEX_HALF;
1166
1167 if (bmcr & BMCR_SPEED1000)
1168 phydev->speed = SPEED_1000;
1169 else if (bmcr & BMCR_SPEED100)
1170 phydev->speed = SPEED_100;
1171 else
1172 phydev->speed = SPEED_10;
1173
1174 phydev->pause = phydev->asym_pause = 0;
357cd64c 1175 phydev->lp_advertising = 0;
be937f1f
AS
1176 }
1177
1178 return 0;
1179}
1180
6cfb3bcc
CAC
1181/* marvell_read_status
1182 *
1183 * Some Marvell's phys have two modes: fiber and copper.
1184 * Both need status checked.
1185 * Description:
1186 * First, check the fiber link and status.
1187 * If the fiber link is down, check the copper link and status which
1188 * will be the default value if both link are down.
1189 */
1190static int marvell_read_status(struct phy_device *phydev)
1191{
1192 int err;
1193
1194 /* Check the fiber mode first */
1195 if (phydev->supported & SUPPORTED_FIBRE) {
1196 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_FIBER);
1197 if (err < 0)
1198 goto error;
1199
1200 err = marvell_read_status_page(phydev, MII_M1111_FIBER);
1201 if (err < 0)
1202 goto error;
1203
1204 /* If the fiber link is up, it is the selected and used link.
1205 * In this case, we need to stay in the fiber page.
1206 * Please to be careful about that, avoid to restore Copper page
1207 * in other functions which could break the behaviour
1208 * for some fiber phy like 88E1512.
1209 * */
1210 if (phydev->link)
1211 return 0;
1212
1213 /* If fiber link is down, check and save copper mode state */
1214 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
1215 if (err < 0)
1216 goto error;
1217 }
1218
1219 return marvell_read_status_page(phydev, MII_M1111_COPPER);
1220
1221error:
1222 phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
1223 return err;
1224}
3758be3d
CAC
1225
1226/* marvell_suspend
1227 *
1228 * Some Marvell's phys have two modes: fiber and copper.
1229 * Both need to be suspended
1230 */
1231static int marvell_suspend(struct phy_device *phydev)
1232{
1233 int err;
1234
1235 /* Suspend the fiber mode first */
1236 if (!(phydev->supported & SUPPORTED_FIBRE)) {
1237 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_FIBER);
1238 if (err < 0)
1239 goto error;
1240
1241 /* With the page set, use the generic suspend */
1242 err = genphy_suspend(phydev);
1243 if (err < 0)
1244 goto error;
1245
1246 /* Then, the copper link */
1247 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
1248 if (err < 0)
1249 goto error;
1250 }
1251
1252 /* With the page set, use the generic suspend */
1253 return genphy_suspend(phydev);
1254
1255error:
1256 phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
1257 return err;
1258}
1259
1260/* marvell_resume
1261 *
1262 * Some Marvell's phys have two modes: fiber and copper.
1263 * Both need to be resumed
1264 */
1265static int marvell_resume(struct phy_device *phydev)
1266{
1267 int err;
1268
1269 /* Resume the fiber mode first */
1270 if (!(phydev->supported & SUPPORTED_FIBRE)) {
1271 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_FIBER);
1272 if (err < 0)
1273 goto error;
1274
1275 /* With the page set, use the generic resume */
1276 err = genphy_resume(phydev);
1277 if (err < 0)
1278 goto error;
1279
1280 /* Then, the copper link */
1281 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
1282 if (err < 0)
1283 goto error;
1284 }
1285
1286 /* With the page set, use the generic resume */
1287 return genphy_resume(phydev);
1288
1289error:
1290 phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
1291 return err;
1292}
1293
6b358aed
SH
1294static int marvell_aneg_done(struct phy_device *phydev)
1295{
1296 int retval = phy_read(phydev, MII_M1011_PHY_STATUS);
1297 return (retval < 0) ? retval : (retval & MII_M1011_PHY_STATUS_RESOLVED);
1298}
1299
dcd07be3
AG
1300static int m88e1121_did_interrupt(struct phy_device *phydev)
1301{
1302 int imask;
1303
1304 imask = phy_read(phydev, MII_M1011_IEVENT);
1305
1306 if (imask & MII_M1011_IMASK_INIT)
1307 return 1;
1308
1309 return 0;
1310}
1311
3871c387
MS
1312static void m88e1318_get_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol)
1313{
1314 wol->supported = WAKE_MAGIC;
1315 wol->wolopts = 0;
1316
1317 if (phy_write(phydev, MII_MARVELL_PHY_PAGE,
1318 MII_88E1318S_PHY_WOL_PAGE) < 0)
1319 return;
1320
1321 if (phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL) &
1322 MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE)
1323 wol->wolopts |= WAKE_MAGIC;
1324
1325 if (phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x00) < 0)
1326 return;
1327}
1328
1329static int m88e1318_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol)
1330{
1331 int err, oldpage, temp;
1332
1333 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
1334
1335 if (wol->wolopts & WAKE_MAGIC) {
1336 /* Explicitly switch to page 0x00, just to be sure */
1337 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x00);
1338 if (err < 0)
1339 return err;
1340
1341 /* Enable the WOL interrupt */
1342 temp = phy_read(phydev, MII_88E1318S_PHY_CSIER);
1343 temp |= MII_88E1318S_PHY_CSIER_WOL_EIE;
1344 err = phy_write(phydev, MII_88E1318S_PHY_CSIER, temp);
1345 if (err < 0)
1346 return err;
1347
1348 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
1349 MII_88E1318S_PHY_LED_PAGE);
1350 if (err < 0)
1351 return err;
1352
1353 /* Setup LED[2] as interrupt pin (active low) */
1354 temp = phy_read(phydev, MII_88E1318S_PHY_LED_TCR);
1355 temp &= ~MII_88E1318S_PHY_LED_TCR_FORCE_INT;
1356 temp |= MII_88E1318S_PHY_LED_TCR_INTn_ENABLE;
1357 temp |= MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW;
1358 err = phy_write(phydev, MII_88E1318S_PHY_LED_TCR, temp);
1359 if (err < 0)
1360 return err;
1361
1362 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
1363 MII_88E1318S_PHY_WOL_PAGE);
1364 if (err < 0)
1365 return err;
1366
1367 /* Store the device address for the magic packet */
1368 err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD2,
1369 ((phydev->attached_dev->dev_addr[5] << 8) |
1370 phydev->attached_dev->dev_addr[4]));
1371 if (err < 0)
1372 return err;
1373 err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD1,
1374 ((phydev->attached_dev->dev_addr[3] << 8) |
1375 phydev->attached_dev->dev_addr[2]));
1376 if (err < 0)
1377 return err;
1378 err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD0,
1379 ((phydev->attached_dev->dev_addr[1] << 8) |
1380 phydev->attached_dev->dev_addr[0]));
1381 if (err < 0)
1382 return err;
1383
1384 /* Clear WOL status and enable magic packet matching */
1385 temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
1386 temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS;
1387 temp |= MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE;
1388 err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp);
1389 if (err < 0)
1390 return err;
1391 } else {
1392 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
1393 MII_88E1318S_PHY_WOL_PAGE);
1394 if (err < 0)
1395 return err;
1396
1397 /* Clear WOL status and disable magic packet matching */
1398 temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
1399 temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS;
1400 temp &= ~MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE;
1401 err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp);
1402 if (err < 0)
1403 return err;
1404 }
1405
1406 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
1407 if (err < 0)
1408 return err;
1409
1410 return 0;
1411}
1412
d2fa47d9
AL
1413static int marvell_get_sset_count(struct phy_device *phydev)
1414{
2170fef7
CAC
1415 if (phydev->supported & SUPPORTED_FIBRE)
1416 return ARRAY_SIZE(marvell_hw_stats);
1417 else
1418 return ARRAY_SIZE(marvell_hw_stats) - NB_FIBER_STATS;
d2fa47d9
AL
1419}
1420
1421static void marvell_get_strings(struct phy_device *phydev, u8 *data)
1422{
1423 int i;
1424
1425 for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++) {
1426 memcpy(data + i * ETH_GSTRING_LEN,
1427 marvell_hw_stats[i].string, ETH_GSTRING_LEN);
1428 }
1429}
1430
1431#ifndef UINT64_MAX
1432#define UINT64_MAX (u64)(~((u64)0))
1433#endif
1434static u64 marvell_get_stat(struct phy_device *phydev, int i)
1435{
1436 struct marvell_hw_stat stat = marvell_hw_stats[i];
1437 struct marvell_priv *priv = phydev->priv;
321b4d4b
AL
1438 int err, oldpage, val;
1439 u64 ret;
d2fa47d9
AL
1440
1441 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
1442 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
1443 stat.page);
1444 if (err < 0)
1445 return UINT64_MAX;
1446
1447 val = phy_read(phydev, stat.reg);
1448 if (val < 0) {
321b4d4b 1449 ret = UINT64_MAX;
d2fa47d9
AL
1450 } else {
1451 val = val & ((1 << stat.bits) - 1);
1452 priv->stats[i] += val;
321b4d4b 1453 ret = priv->stats[i];
d2fa47d9
AL
1454 }
1455
1456 phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
1457
321b4d4b 1458 return ret;
d2fa47d9
AL
1459}
1460
1461static void marvell_get_stats(struct phy_device *phydev,
1462 struct ethtool_stats *stats, u64 *data)
1463{
1464 int i;
1465
1466 for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++)
1467 data[i] = marvell_get_stat(phydev, i);
1468}
1469
1470static int marvell_probe(struct phy_device *phydev)
1471{
1472 struct marvell_priv *priv;
1473
e5a03bfd 1474 priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
d2fa47d9
AL
1475 if (!priv)
1476 return -ENOMEM;
1477
1478 phydev->priv = priv;
1479
1480 return 0;
1481}
1482
e5479239
OJ
1483static struct phy_driver marvell_drivers[] = {
1484 {
2f495c39
BH
1485 .phy_id = MARVELL_PHY_ID_88E1101,
1486 .phy_id_mask = MARVELL_PHY_ID_MASK,
e5479239
OJ
1487 .name = "Marvell 88E1101",
1488 .features = PHY_GBIT_FEATURES,
d2fa47d9 1489 .probe = marvell_probe,
e5479239 1490 .flags = PHY_HAS_INTERRUPT,
79be1a1c 1491 .config_init = &marvell_config_init,
e5479239
OJ
1492 .config_aneg = &marvell_config_aneg,
1493 .read_status = &genphy_read_status,
1494 .ack_interrupt = &marvell_ack_interrupt,
1495 .config_intr = &marvell_config_intr,
0898b448
SH
1496 .resume = &genphy_resume,
1497 .suspend = &genphy_suspend,
d2fa47d9
AL
1498 .get_sset_count = marvell_get_sset_count,
1499 .get_strings = marvell_get_strings,
1500 .get_stats = marvell_get_stats,
e5479239 1501 },
85cfb534 1502 {
2f495c39
BH
1503 .phy_id = MARVELL_PHY_ID_88E1112,
1504 .phy_id_mask = MARVELL_PHY_ID_MASK,
85cfb534
OJ
1505 .name = "Marvell 88E1112",
1506 .features = PHY_GBIT_FEATURES,
1507 .flags = PHY_HAS_INTERRUPT,
d2fa47d9 1508 .probe = marvell_probe,
85cfb534
OJ
1509 .config_init = &m88e1111_config_init,
1510 .config_aneg = &marvell_config_aneg,
1511 .read_status = &genphy_read_status,
1512 .ack_interrupt = &marvell_ack_interrupt,
1513 .config_intr = &marvell_config_intr,
0898b448
SH
1514 .resume = &genphy_resume,
1515 .suspend = &genphy_suspend,
d2fa47d9
AL
1516 .get_sset_count = marvell_get_sset_count,
1517 .get_strings = marvell_get_strings,
1518 .get_stats = marvell_get_stats,
85cfb534 1519 },
e5479239 1520 {
2f495c39
BH
1521 .phy_id = MARVELL_PHY_ID_88E1111,
1522 .phy_id_mask = MARVELL_PHY_ID_MASK,
e5479239
OJ
1523 .name = "Marvell 88E1111",
1524 .features = PHY_GBIT_FEATURES,
1525 .flags = PHY_HAS_INTERRUPT,
d2fa47d9 1526 .probe = marvell_probe,
e5479239 1527 .config_init = &m88e1111_config_init,
3ec0a0f1 1528 .config_aneg = &m88e1111_config_aneg,
be937f1f 1529 .read_status = &marvell_read_status,
e5479239
OJ
1530 .ack_interrupt = &marvell_ack_interrupt,
1531 .config_intr = &marvell_config_intr,
0898b448
SH
1532 .resume = &genphy_resume,
1533 .suspend = &genphy_suspend,
d2fa47d9
AL
1534 .get_sset_count = marvell_get_sset_count,
1535 .get_strings = marvell_get_strings,
1536 .get_stats = marvell_get_stats,
e5479239 1537 },
605f196e 1538 {
2f495c39
BH
1539 .phy_id = MARVELL_PHY_ID_88E1118,
1540 .phy_id_mask = MARVELL_PHY_ID_MASK,
605f196e
RM
1541 .name = "Marvell 88E1118",
1542 .features = PHY_GBIT_FEATURES,
1543 .flags = PHY_HAS_INTERRUPT,
d2fa47d9 1544 .probe = marvell_probe,
605f196e
RM
1545 .config_init = &m88e1118_config_init,
1546 .config_aneg = &m88e1118_config_aneg,
1547 .read_status = &genphy_read_status,
1548 .ack_interrupt = &marvell_ack_interrupt,
1549 .config_intr = &marvell_config_intr,
0898b448
SH
1550 .resume = &genphy_resume,
1551 .suspend = &genphy_suspend,
d2fa47d9
AL
1552 .get_sset_count = marvell_get_sset_count,
1553 .get_strings = marvell_get_strings,
1554 .get_stats = marvell_get_stats,
605f196e 1555 },
140bc929 1556 {
2f495c39
BH
1557 .phy_id = MARVELL_PHY_ID_88E1121R,
1558 .phy_id_mask = MARVELL_PHY_ID_MASK,
140bc929
SP
1559 .name = "Marvell 88E1121R",
1560 .features = PHY_GBIT_FEATURES,
1561 .flags = PHY_HAS_INTERRUPT,
d2fa47d9 1562 .probe = marvell_probe,
fdecf36f 1563 .config_init = &m88e1121_config_init,
140bc929
SP
1564 .config_aneg = &m88e1121_config_aneg,
1565 .read_status = &marvell_read_status,
1566 .ack_interrupt = &marvell_ack_interrupt,
1567 .config_intr = &marvell_config_intr,
dcd07be3 1568 .did_interrupt = &m88e1121_did_interrupt,
0898b448
SH
1569 .resume = &genphy_resume,
1570 .suspend = &genphy_suspend,
d2fa47d9
AL
1571 .get_sset_count = marvell_get_sset_count,
1572 .get_strings = marvell_get_strings,
1573 .get_stats = marvell_get_stats,
140bc929 1574 },
3ff1c259 1575 {
337ac9d5 1576 .phy_id = MARVELL_PHY_ID_88E1318S,
6ba74014 1577 .phy_id_mask = MARVELL_PHY_ID_MASK,
337ac9d5 1578 .name = "Marvell 88E1318S",
3ff1c259
CC
1579 .features = PHY_GBIT_FEATURES,
1580 .flags = PHY_HAS_INTERRUPT,
d2fa47d9 1581 .probe = marvell_probe,
fdecf36f 1582 .config_init = &m88e1121_config_init,
337ac9d5 1583 .config_aneg = &m88e1318_config_aneg,
3ff1c259
CC
1584 .read_status = &marvell_read_status,
1585 .ack_interrupt = &marvell_ack_interrupt,
1586 .config_intr = &marvell_config_intr,
1587 .did_interrupt = &m88e1121_did_interrupt,
3871c387
MS
1588 .get_wol = &m88e1318_get_wol,
1589 .set_wol = &m88e1318_set_wol,
0898b448
SH
1590 .resume = &genphy_resume,
1591 .suspend = &genphy_suspend,
d2fa47d9
AL
1592 .get_sset_count = marvell_get_sset_count,
1593 .get_strings = marvell_get_strings,
1594 .get_stats = marvell_get_stats,
3ff1c259 1595 },
e5479239 1596 {
2f495c39
BH
1597 .phy_id = MARVELL_PHY_ID_88E1145,
1598 .phy_id_mask = MARVELL_PHY_ID_MASK,
e5479239
OJ
1599 .name = "Marvell 88E1145",
1600 .features = PHY_GBIT_FEATURES,
1601 .flags = PHY_HAS_INTERRUPT,
d2fa47d9 1602 .probe = marvell_probe,
e5479239
OJ
1603 .config_init = &m88e1145_config_init,
1604 .config_aneg = &marvell_config_aneg,
1605 .read_status = &genphy_read_status,
1606 .ack_interrupt = &marvell_ack_interrupt,
1607 .config_intr = &marvell_config_intr,
0898b448
SH
1608 .resume = &genphy_resume,
1609 .suspend = &genphy_suspend,
d2fa47d9
AL
1610 .get_sset_count = marvell_get_sset_count,
1611 .get_strings = marvell_get_strings,
1612 .get_stats = marvell_get_stats,
ac8c635a 1613 },
90600732
DD
1614 {
1615 .phy_id = MARVELL_PHY_ID_88E1149R,
1616 .phy_id_mask = MARVELL_PHY_ID_MASK,
1617 .name = "Marvell 88E1149R",
1618 .features = PHY_GBIT_FEATURES,
1619 .flags = PHY_HAS_INTERRUPT,
d2fa47d9 1620 .probe = marvell_probe,
90600732
DD
1621 .config_init = &m88e1149_config_init,
1622 .config_aneg = &m88e1118_config_aneg,
1623 .read_status = &genphy_read_status,
1624 .ack_interrupt = &marvell_ack_interrupt,
1625 .config_intr = &marvell_config_intr,
0898b448
SH
1626 .resume = &genphy_resume,
1627 .suspend = &genphy_suspend,
d2fa47d9
AL
1628 .get_sset_count = marvell_get_sset_count,
1629 .get_strings = marvell_get_strings,
1630 .get_stats = marvell_get_stats,
90600732 1631 },
ac8c635a 1632 {
2f495c39
BH
1633 .phy_id = MARVELL_PHY_ID_88E1240,
1634 .phy_id_mask = MARVELL_PHY_ID_MASK,
ac8c635a
OJ
1635 .name = "Marvell 88E1240",
1636 .features = PHY_GBIT_FEATURES,
1637 .flags = PHY_HAS_INTERRUPT,
d2fa47d9 1638 .probe = marvell_probe,
ac8c635a
OJ
1639 .config_init = &m88e1111_config_init,
1640 .config_aneg = &marvell_config_aneg,
1641 .read_status = &genphy_read_status,
1642 .ack_interrupt = &marvell_ack_interrupt,
1643 .config_intr = &marvell_config_intr,
0898b448
SH
1644 .resume = &genphy_resume,
1645 .suspend = &genphy_suspend,
d2fa47d9
AL
1646 .get_sset_count = marvell_get_sset_count,
1647 .get_strings = marvell_get_strings,
1648 .get_stats = marvell_get_stats,
ac8c635a 1649 },
3da09a51
MS
1650 {
1651 .phy_id = MARVELL_PHY_ID_88E1116R,
1652 .phy_id_mask = MARVELL_PHY_ID_MASK,
1653 .name = "Marvell 88E1116R",
1654 .features = PHY_GBIT_FEATURES,
1655 .flags = PHY_HAS_INTERRUPT,
d2fa47d9 1656 .probe = marvell_probe,
3da09a51
MS
1657 .config_init = &m88e1116r_config_init,
1658 .config_aneg = &genphy_config_aneg,
1659 .read_status = &genphy_read_status,
1660 .ack_interrupt = &marvell_ack_interrupt,
1661 .config_intr = &marvell_config_intr,
0898b448
SH
1662 .resume = &genphy_resume,
1663 .suspend = &genphy_suspend,
d2fa47d9
AL
1664 .get_sset_count = marvell_get_sset_count,
1665 .get_strings = marvell_get_strings,
1666 .get_stats = marvell_get_stats,
3da09a51 1667 },
10e24caa
MS
1668 {
1669 .phy_id = MARVELL_PHY_ID_88E1510,
1670 .phy_id_mask = MARVELL_PHY_ID_MASK,
1671 .name = "Marvell 88E1510",
6cfb3bcc 1672 .features = PHY_GBIT_FEATURES | SUPPORTED_FIBRE,
10e24caa 1673 .flags = PHY_HAS_INTERRUPT,
d2fa47d9 1674 .probe = marvell_probe,
930b37ee 1675 .config_init = &m88e1510_config_init,
10e24caa
MS
1676 .config_aneg = &m88e1510_config_aneg,
1677 .read_status = &marvell_read_status,
1678 .ack_interrupt = &marvell_ack_interrupt,
1679 .config_intr = &marvell_config_intr,
1680 .did_interrupt = &m88e1121_did_interrupt,
3758be3d
CAC
1681 .resume = &marvell_resume,
1682 .suspend = &marvell_suspend,
d2fa47d9
AL
1683 .get_sset_count = marvell_get_sset_count,
1684 .get_strings = marvell_get_strings,
1685 .get_stats = marvell_get_stats,
10e24caa 1686 },
819ec8e1
AL
1687 {
1688 .phy_id = MARVELL_PHY_ID_88E1540,
1689 .phy_id_mask = MARVELL_PHY_ID_MASK,
1690 .name = "Marvell 88E1540",
1691 .features = PHY_GBIT_FEATURES,
1692 .flags = PHY_HAS_INTERRUPT,
d2fa47d9 1693 .probe = marvell_probe,
79be1a1c 1694 .config_init = &marvell_config_init,
819ec8e1
AL
1695 .config_aneg = &m88e1510_config_aneg,
1696 .read_status = &marvell_read_status,
1697 .ack_interrupt = &marvell_ack_interrupt,
1698 .config_intr = &marvell_config_intr,
1699 .did_interrupt = &m88e1121_did_interrupt,
1700 .resume = &genphy_resume,
1701 .suspend = &genphy_suspend,
d2fa47d9
AL
1702 .get_sset_count = marvell_get_sset_count,
1703 .get_strings = marvell_get_strings,
1704 .get_stats = marvell_get_stats,
819ec8e1 1705 },
6b358aed
SH
1706 {
1707 .phy_id = MARVELL_PHY_ID_88E3016,
1708 .phy_id_mask = MARVELL_PHY_ID_MASK,
1709 .name = "Marvell 88E3016",
1710 .features = PHY_BASIC_FEATURES,
1711 .flags = PHY_HAS_INTERRUPT,
d2fa47d9 1712 .probe = marvell_probe,
6b358aed
SH
1713 .config_aneg = &genphy_config_aneg,
1714 .config_init = &m88e3016_config_init,
1715 .aneg_done = &marvell_aneg_done,
1716 .read_status = &marvell_read_status,
1717 .ack_interrupt = &marvell_ack_interrupt,
1718 .config_intr = &marvell_config_intr,
1719 .did_interrupt = &m88e1121_did_interrupt,
1720 .resume = &genphy_resume,
1721 .suspend = &genphy_suspend,
d2fa47d9
AL
1722 .get_sset_count = marvell_get_sset_count,
1723 .get_strings = marvell_get_strings,
1724 .get_stats = marvell_get_stats,
6b358aed 1725 },
00db8189
AF
1726};
1727
50fd7150 1728module_phy_driver(marvell_drivers);
4e4f10f6 1729
cf93c945 1730static struct mdio_device_id __maybe_unused marvell_tbl[] = {
f5e1cabf
MS
1731 { MARVELL_PHY_ID_88E1101, MARVELL_PHY_ID_MASK },
1732 { MARVELL_PHY_ID_88E1112, MARVELL_PHY_ID_MASK },
1733 { MARVELL_PHY_ID_88E1111, MARVELL_PHY_ID_MASK },
1734 { MARVELL_PHY_ID_88E1118, MARVELL_PHY_ID_MASK },
1735 { MARVELL_PHY_ID_88E1121R, MARVELL_PHY_ID_MASK },
1736 { MARVELL_PHY_ID_88E1145, MARVELL_PHY_ID_MASK },
1737 { MARVELL_PHY_ID_88E1149R, MARVELL_PHY_ID_MASK },
1738 { MARVELL_PHY_ID_88E1240, MARVELL_PHY_ID_MASK },
1739 { MARVELL_PHY_ID_88E1318S, MARVELL_PHY_ID_MASK },
3da09a51 1740 { MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK },
10e24caa 1741 { MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK },
819ec8e1 1742 { MARVELL_PHY_ID_88E1540, MARVELL_PHY_ID_MASK },
6b358aed 1743 { MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK },
4e4f10f6
DW
1744 { }
1745};
1746
1747MODULE_DEVICE_TABLE(mdio, marvell_tbl);