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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 *
10 * Copyright (c) 2013 Michael Stapelberg <michael@stapelberg.de>
11 *
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 */
18#include <linux/kernel.h>
19#include <linux/string.h>
20#include <linux/ctype.h>
21#include <linux/errno.h>
22#include <linux/unistd.h>
23#include <linux/hwmon.h>
24#include <linux/interrupt.h>
25#include <linux/init.h>
26#include <linux/delay.h>
27#include <linux/netdevice.h>
28#include <linux/etherdevice.h>
29#include <linux/skbuff.h>
30#include <linux/spinlock.h>
31#include <linux/mm.h>
32#include <linux/module.h>
33#include <linux/mii.h>
34#include <linux/ethtool.h>
35#include <linux/phy.h>
36#include <linux/marvell_phy.h>
37#include <linux/of.h>
38
39#include <linux/io.h>
40#include <asm/irq.h>
41#include <linux/uaccess.h>
42
43#define MII_MARVELL_PHY_PAGE 22
44#define MII_MARVELL_COPPER_PAGE 0x00
45#define MII_MARVELL_FIBER_PAGE 0x01
46#define MII_MARVELL_MSCR_PAGE 0x02
47#define MII_MARVELL_LED_PAGE 0x03
48#define MII_MARVELL_MISC_TEST_PAGE 0x06
49#define MII_MARVELL_WOL_PAGE 0x11
50
51#define MII_M1011_IEVENT 0x13
52#define MII_M1011_IEVENT_CLEAR 0x0000
53
54#define MII_M1011_IMASK 0x12
55#define MII_M1011_IMASK_INIT 0x6400
56#define MII_M1011_IMASK_CLEAR 0x0000
57
58#define MII_M1011_PHY_SCR 0x10
59#define MII_M1011_PHY_SCR_DOWNSHIFT_EN BIT(11)
60#define MII_M1011_PHY_SCR_DOWNSHIFT_SHIFT 12
61#define MII_M1011_PHY_SRC_DOWNSHIFT_MASK 0x7800
62#define MII_M1011_PHY_SCR_MDI (0x0 << 5)
63#define MII_M1011_PHY_SCR_MDI_X (0x1 << 5)
64#define MII_M1011_PHY_SCR_AUTO_CROSS (0x3 << 5)
65
66#define MII_M1111_PHY_LED_CONTROL 0x18
67#define MII_M1111_PHY_LED_DIRECT 0x4100
68#define MII_M1111_PHY_LED_COMBINE 0x411c
69#define MII_M1111_PHY_EXT_CR 0x14
70#define MII_M1111_RGMII_RX_DELAY BIT(7)
71#define MII_M1111_RGMII_TX_DELAY BIT(1)
72#define MII_M1111_PHY_EXT_SR 0x1b
73
74#define MII_M1111_HWCFG_MODE_MASK 0xf
75#define MII_M1111_HWCFG_MODE_FIBER_RGMII 0x3
76#define MII_M1111_HWCFG_MODE_SGMII_NO_CLK 0x4
77#define MII_M1111_HWCFG_MODE_RTBI 0x7
78#define MII_M1111_HWCFG_MODE_COPPER_RTBI 0x9
79#define MII_M1111_HWCFG_MODE_COPPER_RGMII 0xb
80#define MII_M1111_HWCFG_FIBER_COPPER_RES BIT(13)
81#define MII_M1111_HWCFG_FIBER_COPPER_AUTO BIT(15)
82
83#define MII_88E1121_PHY_MSCR_REG 21
84#define MII_88E1121_PHY_MSCR_RX_DELAY BIT(5)
85#define MII_88E1121_PHY_MSCR_TX_DELAY BIT(4)
86#define MII_88E1121_PHY_MSCR_DELAY_MASK (BIT(5) | BIT(4))
87
88#define MII_88E1121_MISC_TEST 0x1a
89#define MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK 0x1f00
90#define MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT 8
91#define MII_88E1510_MISC_TEST_TEMP_IRQ_EN BIT(7)
92#define MII_88E1510_MISC_TEST_TEMP_IRQ BIT(6)
93#define MII_88E1121_MISC_TEST_TEMP_SENSOR_EN BIT(5)
94#define MII_88E1121_MISC_TEST_TEMP_MASK 0x1f
95
96#define MII_88E1510_TEMP_SENSOR 0x1b
97#define MII_88E1510_TEMP_SENSOR_MASK 0xff
98
99#define MII_88E6390_MISC_TEST 0x1b
100#define MII_88E6390_MISC_TEST_SAMPLE_1S 0
101#define MII_88E6390_MISC_TEST_SAMPLE_10MS BIT(14)
102#define MII_88E6390_MISC_TEST_SAMPLE_DISABLE BIT(15)
103#define MII_88E6390_MISC_TEST_SAMPLE_ENABLE 0
104#define MII_88E6390_MISC_TEST_SAMPLE_MASK (0x3 << 14)
105
106#define MII_88E6390_TEMP_SENSOR 0x1c
107#define MII_88E6390_TEMP_SENSOR_MASK 0xff
108#define MII_88E6390_TEMP_SENSOR_SAMPLES 10
109
110#define MII_88E1318S_PHY_MSCR1_REG 16
111#define MII_88E1318S_PHY_MSCR1_PAD_ODD BIT(6)
112
113/* Copper Specific Interrupt Enable Register */
114#define MII_88E1318S_PHY_CSIER 0x12
115/* WOL Event Interrupt Enable */
116#define MII_88E1318S_PHY_CSIER_WOL_EIE BIT(7)
117
118/* LED Timer Control Register */
119#define MII_88E1318S_PHY_LED_TCR 0x12
120#define MII_88E1318S_PHY_LED_TCR_FORCE_INT BIT(15)
121#define MII_88E1318S_PHY_LED_TCR_INTn_ENABLE BIT(7)
122#define MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW BIT(11)
123
124/* Magic Packet MAC address registers */
125#define MII_88E1318S_PHY_MAGIC_PACKET_WORD2 0x17
126#define MII_88E1318S_PHY_MAGIC_PACKET_WORD1 0x18
127#define MII_88E1318S_PHY_MAGIC_PACKET_WORD0 0x19
128
129#define MII_88E1318S_PHY_WOL_CTRL 0x10
130#define MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS BIT(12)
131#define MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE BIT(14)
132
133#define MII_88E1121_PHY_LED_CTRL 16
134#define MII_88E1121_PHY_LED_DEF 0x0030
135
136#define MII_M1011_PHY_STATUS 0x11
137#define MII_M1011_PHY_STATUS_1000 0x8000
138#define MII_M1011_PHY_STATUS_100 0x4000
139#define MII_M1011_PHY_STATUS_SPD_MASK 0xc000
140#define MII_M1011_PHY_STATUS_FULLDUPLEX 0x2000
141#define MII_M1011_PHY_STATUS_RESOLVED 0x0800
142#define MII_M1011_PHY_STATUS_LINK 0x0400
143
144#define MII_88E3016_PHY_SPEC_CTRL 0x10
145#define MII_88E3016_DISABLE_SCRAMBLER 0x0200
146#define MII_88E3016_AUTO_MDIX_CROSSOVER 0x0030
147
148#define MII_88E1510_GEN_CTRL_REG_1 0x14
149#define MII_88E1510_GEN_CTRL_REG_1_MODE_MASK 0x7
150#define MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII 0x1 /* SGMII to copper */
151#define MII_88E1510_GEN_CTRL_REG_1_RESET 0x8000 /* Soft reset */
152
153#define LPA_FIBER_1000HALF 0x40
154#define LPA_FIBER_1000FULL 0x20
155
156#define LPA_PAUSE_FIBER 0x180
157#define LPA_PAUSE_ASYM_FIBER 0x100
158
159#define ADVERTISE_FIBER_1000HALF 0x40
160#define ADVERTISE_FIBER_1000FULL 0x20
161
162#define ADVERTISE_PAUSE_FIBER 0x180
163#define ADVERTISE_PAUSE_ASYM_FIBER 0x100
164
165#define REGISTER_LINK_STATUS 0x400
166#define NB_FIBER_STATS 1
167
168MODULE_DESCRIPTION("Marvell PHY driver");
169MODULE_AUTHOR("Andy Fleming");
170MODULE_LICENSE("GPL");
171
172struct marvell_hw_stat {
173 const char *string;
174 u8 page;
175 u8 reg;
176 u8 bits;
177};
178
179static struct marvell_hw_stat marvell_hw_stats[] = {
180 { "phy_receive_errors_copper", 0, 21, 16},
181 { "phy_idle_errors", 0, 10, 8 },
182 { "phy_receive_errors_fiber", 1, 21, 16},
183};
184
185struct marvell_priv {
186 u64 stats[ARRAY_SIZE(marvell_hw_stats)];
187 char *hwmon_name;
188 struct device *hwmon_dev;
189};
190
191static int marvell_read_page(struct phy_device *phydev)
192{
193 return __phy_read(phydev, MII_MARVELL_PHY_PAGE);
194}
195
196static int marvell_write_page(struct phy_device *phydev, int page)
197{
198 return __phy_write(phydev, MII_MARVELL_PHY_PAGE, page);
199}
200
201static int marvell_set_page(struct phy_device *phydev, int page)
202{
203 return phy_write(phydev, MII_MARVELL_PHY_PAGE, page);
204}
205
206static int marvell_ack_interrupt(struct phy_device *phydev)
207{
208 int err;
209
210 /* Clear the interrupts by reading the reg */
211 err = phy_read(phydev, MII_M1011_IEVENT);
212
213 if (err < 0)
214 return err;
215
216 return 0;
217}
218
219static int marvell_config_intr(struct phy_device *phydev)
220{
221 int err;
222
223 if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
224 err = phy_write(phydev, MII_M1011_IMASK,
225 MII_M1011_IMASK_INIT);
226 else
227 err = phy_write(phydev, MII_M1011_IMASK,
228 MII_M1011_IMASK_CLEAR);
229
230 return err;
231}
232
233static int marvell_set_polarity(struct phy_device *phydev, int polarity)
234{
235 int reg;
236 int err;
237 int val;
238
239 /* get the current settings */
240 reg = phy_read(phydev, MII_M1011_PHY_SCR);
241 if (reg < 0)
242 return reg;
243
244 val = reg;
245 val &= ~MII_M1011_PHY_SCR_AUTO_CROSS;
246 switch (polarity) {
247 case ETH_TP_MDI:
248 val |= MII_M1011_PHY_SCR_MDI;
249 break;
250 case ETH_TP_MDI_X:
251 val |= MII_M1011_PHY_SCR_MDI_X;
252 break;
253 case ETH_TP_MDI_AUTO:
254 case ETH_TP_MDI_INVALID:
255 default:
256 val |= MII_M1011_PHY_SCR_AUTO_CROSS;
257 break;
258 }
259
260 if (val != reg) {
261 /* Set the new polarity value in the register */
262 err = phy_write(phydev, MII_M1011_PHY_SCR, val);
263 if (err)
264 return err;
265 }
266
267 return 0;
268}
269
270static int marvell_set_downshift(struct phy_device *phydev, bool enable,
271 u8 retries)
272{
273 int reg;
274
275 reg = phy_read(phydev, MII_M1011_PHY_SCR);
276 if (reg < 0)
277 return reg;
278
279 reg &= MII_M1011_PHY_SRC_DOWNSHIFT_MASK;
280 reg |= ((retries - 1) << MII_M1011_PHY_SCR_DOWNSHIFT_SHIFT);
281 if (enable)
282 reg |= MII_M1011_PHY_SCR_DOWNSHIFT_EN;
283
284 return phy_write(phydev, MII_M1011_PHY_SCR, reg);
285}
286
287static int marvell_config_aneg(struct phy_device *phydev)
288{
289 int err;
290
291 err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
292 if (err < 0)
293 return err;
294
295 err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
296 MII_M1111_PHY_LED_DIRECT);
297 if (err < 0)
298 return err;
299
300 err = genphy_config_aneg(phydev);
301 if (err < 0)
302 return err;
303
304 if (phydev->autoneg != AUTONEG_ENABLE) {
305 /* A write to speed/duplex bits (that is performed by
306 * genphy_config_aneg() call above) must be followed by
307 * a software reset. Otherwise, the write has no effect.
308 */
309 err = genphy_soft_reset(phydev);
310 if (err < 0)
311 return err;
312 }
313
314 return 0;
315}
316
317static int m88e1101_config_aneg(struct phy_device *phydev)
318{
319 int err;
320
321 /* This Marvell PHY has an errata which requires
322 * that certain registers get written in order
323 * to restart autonegotiation
324 */
325 err = genphy_soft_reset(phydev);
326 if (err < 0)
327 return err;
328
329 err = phy_write(phydev, 0x1d, 0x1f);
330 if (err < 0)
331 return err;
332
333 err = phy_write(phydev, 0x1e, 0x200c);
334 if (err < 0)
335 return err;
336
337 err = phy_write(phydev, 0x1d, 0x5);
338 if (err < 0)
339 return err;
340
341 err = phy_write(phydev, 0x1e, 0);
342 if (err < 0)
343 return err;
344
345 err = phy_write(phydev, 0x1e, 0x100);
346 if (err < 0)
347 return err;
348
349 return marvell_config_aneg(phydev);
350}
351
352static int m88e1111_config_aneg(struct phy_device *phydev)
353{
354 int err;
355
356 /* The Marvell PHY has an errata which requires
357 * that certain registers get written in order
358 * to restart autonegotiation
359 */
360 err = genphy_soft_reset(phydev);
361
362 err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
363 if (err < 0)
364 return err;
365
366 err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
367 MII_M1111_PHY_LED_DIRECT);
368 if (err < 0)
369 return err;
370
371 err = genphy_config_aneg(phydev);
372 if (err < 0)
373 return err;
374
375 if (phydev->autoneg != AUTONEG_ENABLE) {
376 /* A write to speed/duplex bits (that is performed by
377 * genphy_config_aneg() call above) must be followed by
378 * a software reset. Otherwise, the write has no effect.
379 */
380 err = genphy_soft_reset(phydev);
381 if (err < 0)
382 return err;
383 }
384
385 return 0;
386}
387
388#ifdef CONFIG_OF_MDIO
389/* Set and/or override some configuration registers based on the
390 * marvell,reg-init property stored in the of_node for the phydev.
391 *
392 * marvell,reg-init = <reg-page reg mask value>,...;
393 *
394 * There may be one or more sets of <reg-page reg mask value>:
395 *
396 * reg-page: which register bank to use.
397 * reg: the register.
398 * mask: if non-zero, ANDed with existing register value.
399 * value: ORed with the masked value and written to the regiser.
400 *
401 */
402static int marvell_of_reg_init(struct phy_device *phydev)
403{
404 const __be32 *paddr;
405 int len, i, saved_page, current_page, ret = 0;
406
407 if (!phydev->mdio.dev.of_node)
408 return 0;
409
410 paddr = of_get_property(phydev->mdio.dev.of_node,
411 "marvell,reg-init", &len);
412 if (!paddr || len < (4 * sizeof(*paddr)))
413 return 0;
414
415 saved_page = phy_save_page(phydev);
416 if (saved_page < 0)
417 goto err;
418 current_page = saved_page;
419
420 len /= sizeof(*paddr);
421 for (i = 0; i < len - 3; i += 4) {
422 u16 page = be32_to_cpup(paddr + i);
423 u16 reg = be32_to_cpup(paddr + i + 1);
424 u16 mask = be32_to_cpup(paddr + i + 2);
425 u16 val_bits = be32_to_cpup(paddr + i + 3);
426 int val;
427
428 if (page != current_page) {
429 current_page = page;
430 ret = marvell_write_page(phydev, page);
431 if (ret < 0)
432 goto err;
433 }
434
435 val = 0;
436 if (mask) {
437 val = __phy_read(phydev, reg);
438 if (val < 0) {
439 ret = val;
440 goto err;
441 }
442 val &= mask;
443 }
444 val |= val_bits;
445
446 ret = __phy_write(phydev, reg, val);
447 if (ret < 0)
448 goto err;
449 }
450err:
451 return phy_restore_page(phydev, saved_page, ret);
452}
453#else
454static int marvell_of_reg_init(struct phy_device *phydev)
455{
456 return 0;
457}
458#endif /* CONFIG_OF_MDIO */
459
460static int m88e1121_config_aneg_rgmii_delays(struct phy_device *phydev)
461{
462 int mscr;
463
464 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
465 mscr = MII_88E1121_PHY_MSCR_RX_DELAY |
466 MII_88E1121_PHY_MSCR_TX_DELAY;
467 else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
468 mscr = MII_88E1121_PHY_MSCR_RX_DELAY;
469 else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
470 mscr = MII_88E1121_PHY_MSCR_TX_DELAY;
471 else
472 mscr = 0;
473
474 return phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE,
475 MII_88E1121_PHY_MSCR_REG,
476 MII_88E1121_PHY_MSCR_DELAY_MASK, mscr);
477}
478
479static int m88e1121_config_aneg(struct phy_device *phydev)
480{
481 int err = 0;
482
483 if (phy_interface_is_rgmii(phydev)) {
484 err = m88e1121_config_aneg_rgmii_delays(phydev);
485 if (err < 0)
486 return err;
487 }
488
489 err = genphy_soft_reset(phydev);
490 if (err < 0)
491 return err;
492
493 err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
494 if (err < 0)
495 return err;
496
497 return genphy_config_aneg(phydev);
498}
499
500static int m88e1318_config_aneg(struct phy_device *phydev)
501{
502 int err;
503
504 err = phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE,
505 MII_88E1318S_PHY_MSCR1_REG,
506 0, MII_88E1318S_PHY_MSCR1_PAD_ODD);
507 if (err < 0)
508 return err;
509
510 return m88e1121_config_aneg(phydev);
511}
512
513/**
514 * ethtool_adv_to_fiber_adv_t
515 * @ethadv: the ethtool advertisement settings
516 *
517 * A small helper function that translates ethtool advertisement
518 * settings to phy autonegotiation advertisements for the
519 * MII_ADV register for fiber link.
520 */
521static inline u32 ethtool_adv_to_fiber_adv_t(u32 ethadv)
522{
523 u32 result = 0;
524
525 if (ethadv & ADVERTISED_1000baseT_Half)
526 result |= ADVERTISE_FIBER_1000HALF;
527 if (ethadv & ADVERTISED_1000baseT_Full)
528 result |= ADVERTISE_FIBER_1000FULL;
529
530 if ((ethadv & ADVERTISE_PAUSE_ASYM) && (ethadv & ADVERTISE_PAUSE_CAP))
531 result |= LPA_PAUSE_ASYM_FIBER;
532 else if (ethadv & ADVERTISE_PAUSE_CAP)
533 result |= (ADVERTISE_PAUSE_FIBER
534 & (~ADVERTISE_PAUSE_ASYM_FIBER));
535
536 return result;
537}
538
539/**
540 * marvell_config_aneg_fiber - restart auto-negotiation or write BMCR
541 * @phydev: target phy_device struct
542 *
543 * Description: If auto-negotiation is enabled, we configure the
544 * advertising, and then restart auto-negotiation. If it is not
545 * enabled, then we write the BMCR. Adapted for fiber link in
546 * some Marvell's devices.
547 */
548static int marvell_config_aneg_fiber(struct phy_device *phydev)
549{
550 int changed = 0;
551 int err;
552 int adv, oldadv;
553 u32 advertise;
554
555 if (phydev->autoneg != AUTONEG_ENABLE)
556 return genphy_setup_forced(phydev);
557
558 /* Only allow advertising what this PHY supports */
559 phydev->advertising &= phydev->supported;
560 advertise = phydev->advertising;
561
562 /* Setup fiber advertisement */
563 adv = phy_read(phydev, MII_ADVERTISE);
564 if (adv < 0)
565 return adv;
566
567 oldadv = adv;
568 adv &= ~(ADVERTISE_FIBER_1000HALF | ADVERTISE_FIBER_1000FULL
569 | LPA_PAUSE_FIBER);
570 adv |= ethtool_adv_to_fiber_adv_t(advertise);
571
572 if (adv != oldadv) {
573 err = phy_write(phydev, MII_ADVERTISE, adv);
574 if (err < 0)
575 return err;
576
577 changed = 1;
578 }
579
580 if (changed == 0) {
581 /* Advertisement hasn't changed, but maybe aneg was never on to
582 * begin with? Or maybe phy was isolated?
583 */
584 int ctl = phy_read(phydev, MII_BMCR);
585
586 if (ctl < 0)
587 return ctl;
588
589 if (!(ctl & BMCR_ANENABLE) || (ctl & BMCR_ISOLATE))
590 changed = 1; /* do restart aneg */
591 }
592
593 /* Only restart aneg if we are advertising something different
594 * than we were before.
595 */
596 if (changed > 0)
597 changed = genphy_restart_aneg(phydev);
598
599 return changed;
600}
601
602static int m88e1510_config_aneg(struct phy_device *phydev)
603{
604 int err;
605
606 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
607 if (err < 0)
608 goto error;
609
610 /* Configure the copper link first */
611 err = m88e1318_config_aneg(phydev);
612 if (err < 0)
613 goto error;
614
615 /* Do not touch the fiber page if we're in copper->sgmii mode */
616 if (phydev->interface == PHY_INTERFACE_MODE_SGMII)
617 return 0;
618
619 /* Then the fiber link */
620 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
621 if (err < 0)
622 goto error;
623
624 err = marvell_config_aneg_fiber(phydev);
625 if (err < 0)
626 goto error;
627
628 return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
629
630error:
631 marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
632 return err;
633}
634
635static int marvell_config_init(struct phy_device *phydev)
636{
637 /* Set registers from marvell,reg-init DT property */
638 return marvell_of_reg_init(phydev);
639}
640
641static int m88e1116r_config_init(struct phy_device *phydev)
642{
643 int err;
644
645 err = genphy_soft_reset(phydev);
646 if (err < 0)
647 return err;
648
649 mdelay(500);
650
651 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
652 if (err < 0)
653 return err;
654
655 err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
656 if (err < 0)
657 return err;
658
659 err = marvell_set_downshift(phydev, true, 8);
660 if (err < 0)
661 return err;
662
663 if (phy_interface_is_rgmii(phydev)) {
664 err = m88e1121_config_aneg_rgmii_delays(phydev);
665 if (err < 0)
666 return err;
667 }
668
669 err = genphy_soft_reset(phydev);
670 if (err < 0)
671 return err;
672
673 return marvell_config_init(phydev);
674}
675
676static int m88e3016_config_init(struct phy_device *phydev)
677{
678 int ret;
679
680 /* Enable Scrambler and Auto-Crossover */
681 ret = phy_modify(phydev, MII_88E3016_PHY_SPEC_CTRL,
682 MII_88E3016_DISABLE_SCRAMBLER,
683 MII_88E3016_AUTO_MDIX_CROSSOVER);
684 if (ret < 0)
685 return ret;
686
687 return marvell_config_init(phydev);
688}
689
690static int m88e1111_config_init_hwcfg_mode(struct phy_device *phydev,
691 u16 mode,
692 int fibre_copper_auto)
693{
694 if (fibre_copper_auto)
695 mode |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
696
697 return phy_modify(phydev, MII_M1111_PHY_EXT_SR,
698 MII_M1111_HWCFG_MODE_MASK |
699 MII_M1111_HWCFG_FIBER_COPPER_AUTO |
700 MII_M1111_HWCFG_FIBER_COPPER_RES,
701 mode);
702}
703
704static int m88e1111_config_init_rgmii_delays(struct phy_device *phydev)
705{
706 int delay;
707
708 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
709 delay = MII_M1111_RGMII_RX_DELAY | MII_M1111_RGMII_TX_DELAY;
710 } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
711 delay = MII_M1111_RGMII_RX_DELAY;
712 } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
713 delay = MII_M1111_RGMII_TX_DELAY;
714 } else {
715 delay = 0;
716 }
717
718 return phy_modify(phydev, MII_M1111_PHY_EXT_CR,
719 MII_M1111_RGMII_RX_DELAY | MII_M1111_RGMII_TX_DELAY,
720 delay);
721}
722
723static int m88e1111_config_init_rgmii(struct phy_device *phydev)
724{
725 int temp;
726 int err;
727
728 err = m88e1111_config_init_rgmii_delays(phydev);
729 if (err < 0)
730 return err;
731
732 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
733 if (temp < 0)
734 return temp;
735
736 temp &= ~(MII_M1111_HWCFG_MODE_MASK);
737
738 if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES)
739 temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
740 else
741 temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
742
743 return phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
744}
745
746static int m88e1111_config_init_sgmii(struct phy_device *phydev)
747{
748 int err;
749
750 err = m88e1111_config_init_hwcfg_mode(
751 phydev,
752 MII_M1111_HWCFG_MODE_SGMII_NO_CLK,
753 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
754 if (err < 0)
755 return err;
756
757 /* make sure copper is selected */
758 return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
759}
760
761static int m88e1111_config_init_rtbi(struct phy_device *phydev)
762{
763 int err;
764
765 err = m88e1111_config_init_rgmii_delays(phydev);
766 if (err < 0)
767 return err;
768
769 err = m88e1111_config_init_hwcfg_mode(
770 phydev,
771 MII_M1111_HWCFG_MODE_RTBI,
772 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
773 if (err < 0)
774 return err;
775
776 /* soft reset */
777 err = genphy_soft_reset(phydev);
778 if (err < 0)
779 return err;
780
781 return m88e1111_config_init_hwcfg_mode(
782 phydev,
783 MII_M1111_HWCFG_MODE_RTBI,
784 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
785}
786
787static int m88e1111_config_init(struct phy_device *phydev)
788{
789 int err;
790
791 if (phy_interface_is_rgmii(phydev)) {
792 err = m88e1111_config_init_rgmii(phydev);
793 if (err < 0)
794 return err;
795 }
796
797 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
798 err = m88e1111_config_init_sgmii(phydev);
799 if (err < 0)
800 return err;
801 }
802
803 if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
804 err = m88e1111_config_init_rtbi(phydev);
805 if (err < 0)
806 return err;
807 }
808
809 err = marvell_of_reg_init(phydev);
810 if (err < 0)
811 return err;
812
813 return genphy_soft_reset(phydev);
814}
815
816static int m88e1121_config_init(struct phy_device *phydev)
817{
818 int err;
819
820 /* Default PHY LED config: LED[0] .. Link, LED[1] .. Activity */
821 err = phy_write_paged(phydev, MII_MARVELL_LED_PAGE,
822 MII_88E1121_PHY_LED_CTRL,
823 MII_88E1121_PHY_LED_DEF);
824 if (err < 0)
825 return err;
826
827 /* Set marvell,reg-init configuration from device tree */
828 return marvell_config_init(phydev);
829}
830
831static int m88e1318_config_init(struct phy_device *phydev)
832{
833 if (phy_interrupt_is_valid(phydev)) {
834 int err = phy_modify_paged(
835 phydev, MII_MARVELL_LED_PAGE,
836 MII_88E1318S_PHY_LED_TCR,
837 MII_88E1318S_PHY_LED_TCR_FORCE_INT,
838 MII_88E1318S_PHY_LED_TCR_INTn_ENABLE |
839 MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW);
840 if (err < 0)
841 return err;
842 }
843
844 return m88e1121_config_init(phydev);
845}
846
847static int m88e1510_config_init(struct phy_device *phydev)
848{
849 int err;
850
851 /* SGMII-to-Copper mode initialization */
852 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
853 u32 pause;
854
855 /* Select page 18 */
856 err = marvell_set_page(phydev, 18);
857 if (err < 0)
858 return err;
859
860 /* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
861 err = phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1,
862 MII_88E1510_GEN_CTRL_REG_1_MODE_MASK,
863 MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII);
864 if (err < 0)
865 return err;
866
867 /* PHY reset is necessary after changing MODE[2:0] */
868 err = phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1, 0,
869 MII_88E1510_GEN_CTRL_REG_1_RESET);
870 if (err < 0)
871 return err;
872
873 /* Reset page selection */
874 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
875 if (err < 0)
876 return err;
877
878 /* There appears to be a bug in the 88e1512 when used in
879 * SGMII to copper mode, where the AN advertisement register
880 * clears the pause bits each time a negotiation occurs.
881 * This means we can never be truely sure what was advertised,
882 * so disable Pause support.
883 */
884 pause = SUPPORTED_Pause | SUPPORTED_Asym_Pause;
885 phydev->supported &= ~pause;
886 phydev->advertising &= ~pause;
887 }
888
889 return m88e1318_config_init(phydev);
890}
891
892static int m88e1118_config_aneg(struct phy_device *phydev)
893{
894 int err;
895
896 err = genphy_soft_reset(phydev);
897 if (err < 0)
898 return err;
899
900 err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
901 if (err < 0)
902 return err;
903
904 err = genphy_config_aneg(phydev);
905 return 0;
906}
907
908static int m88e1118_config_init(struct phy_device *phydev)
909{
910 int err;
911
912 /* Change address */
913 err = marvell_set_page(phydev, MII_MARVELL_MSCR_PAGE);
914 if (err < 0)
915 return err;
916
917 /* Enable 1000 Mbit */
918 err = phy_write(phydev, 0x15, 0x1070);
919 if (err < 0)
920 return err;
921
922 /* Change address */
923 err = marvell_set_page(phydev, MII_MARVELL_LED_PAGE);
924 if (err < 0)
925 return err;
926
927 /* Adjust LED Control */
928 if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS)
929 err = phy_write(phydev, 0x10, 0x1100);
930 else
931 err = phy_write(phydev, 0x10, 0x021e);
932 if (err < 0)
933 return err;
934
935 err = marvell_of_reg_init(phydev);
936 if (err < 0)
937 return err;
938
939 /* Reset address */
940 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
941 if (err < 0)
942 return err;
943
944 return genphy_soft_reset(phydev);
945}
946
947static int m88e1149_config_init(struct phy_device *phydev)
948{
949 int err;
950
951 /* Change address */
952 err = marvell_set_page(phydev, MII_MARVELL_MSCR_PAGE);
953 if (err < 0)
954 return err;
955
956 /* Enable 1000 Mbit */
957 err = phy_write(phydev, 0x15, 0x1048);
958 if (err < 0)
959 return err;
960
961 err = marvell_of_reg_init(phydev);
962 if (err < 0)
963 return err;
964
965 /* Reset address */
966 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
967 if (err < 0)
968 return err;
969
970 return genphy_soft_reset(phydev);
971}
972
973static int m88e1145_config_init_rgmii(struct phy_device *phydev)
974{
975 int err;
976
977 err = m88e1111_config_init_rgmii_delays(phydev);
978 if (err < 0)
979 return err;
980
981 if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
982 err = phy_write(phydev, 0x1d, 0x0012);
983 if (err < 0)
984 return err;
985
986 err = phy_modify(phydev, 0x1e, 0x0fc0,
987 2 << 9 | /* 36 ohm */
988 2 << 6); /* 39 ohm */
989 if (err < 0)
990 return err;
991
992 err = phy_write(phydev, 0x1d, 0x3);
993 if (err < 0)
994 return err;
995
996 err = phy_write(phydev, 0x1e, 0x8000);
997 }
998 return err;
999}
1000
1001static int m88e1145_config_init_sgmii(struct phy_device *phydev)
1002{
1003 return m88e1111_config_init_hwcfg_mode(
1004 phydev, MII_M1111_HWCFG_MODE_SGMII_NO_CLK,
1005 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
1006}
1007
1008static int m88e1145_config_init(struct phy_device *phydev)
1009{
1010 int err;
1011
1012 /* Take care of errata E0 & E1 */
1013 err = phy_write(phydev, 0x1d, 0x001b);
1014 if (err < 0)
1015 return err;
1016
1017 err = phy_write(phydev, 0x1e, 0x418f);
1018 if (err < 0)
1019 return err;
1020
1021 err = phy_write(phydev, 0x1d, 0x0016);
1022 if (err < 0)
1023 return err;
1024
1025 err = phy_write(phydev, 0x1e, 0xa2da);
1026 if (err < 0)
1027 return err;
1028
1029 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
1030 err = m88e1145_config_init_rgmii(phydev);
1031 if (err < 0)
1032 return err;
1033 }
1034
1035 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
1036 err = m88e1145_config_init_sgmii(phydev);
1037 if (err < 0)
1038 return err;
1039 }
1040
1041 err = marvell_of_reg_init(phydev);
1042 if (err < 0)
1043 return err;
1044
1045 return 0;
1046}
1047
1048/**
1049 * fiber_lpa_to_ethtool_lpa_t
1050 * @lpa: value of the MII_LPA register for fiber link
1051 *
1052 * A small helper function that translates MII_LPA
1053 * bits to ethtool LP advertisement settings.
1054 */
1055static u32 fiber_lpa_to_ethtool_lpa_t(u32 lpa)
1056{
1057 u32 result = 0;
1058
1059 if (lpa & LPA_FIBER_1000HALF)
1060 result |= ADVERTISED_1000baseT_Half;
1061 if (lpa & LPA_FIBER_1000FULL)
1062 result |= ADVERTISED_1000baseT_Full;
1063
1064 return result;
1065}
1066
1067/**
1068 * marvell_update_link - update link status in real time in @phydev
1069 * @phydev: target phy_device struct
1070 *
1071 * Description: Update the value in phydev->link to reflect the
1072 * current link value.
1073 */
1074static int marvell_update_link(struct phy_device *phydev, int fiber)
1075{
1076 int status;
1077
1078 /* Use the generic register for copper link, or specific
1079 * register for fiber case
1080 */
1081 if (fiber) {
1082 status = phy_read(phydev, MII_M1011_PHY_STATUS);
1083 if (status < 0)
1084 return status;
1085
1086 if ((status & REGISTER_LINK_STATUS) == 0)
1087 phydev->link = 0;
1088 else
1089 phydev->link = 1;
1090 } else {
1091 return genphy_update_link(phydev);
1092 }
1093
1094 return 0;
1095}
1096
1097static int marvell_read_status_page_an(struct phy_device *phydev,
1098 int fiber)
1099{
1100 int status;
1101 int lpa;
1102 int lpagb;
1103
1104 status = phy_read(phydev, MII_M1011_PHY_STATUS);
1105 if (status < 0)
1106 return status;
1107
1108 lpa = phy_read(phydev, MII_LPA);
1109 if (lpa < 0)
1110 return lpa;
1111
1112 lpagb = phy_read(phydev, MII_STAT1000);
1113 if (lpagb < 0)
1114 return lpagb;
1115
1116 if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
1117 phydev->duplex = DUPLEX_FULL;
1118 else
1119 phydev->duplex = DUPLEX_HALF;
1120
1121 status = status & MII_M1011_PHY_STATUS_SPD_MASK;
1122 phydev->pause = 0;
1123 phydev->asym_pause = 0;
1124
1125 switch (status) {
1126 case MII_M1011_PHY_STATUS_1000:
1127 phydev->speed = SPEED_1000;
1128 break;
1129
1130 case MII_M1011_PHY_STATUS_100:
1131 phydev->speed = SPEED_100;
1132 break;
1133
1134 default:
1135 phydev->speed = SPEED_10;
1136 break;
1137 }
1138
1139 if (!fiber) {
1140 phydev->lp_advertising =
1141 mii_stat1000_to_ethtool_lpa_t(lpagb) |
1142 mii_lpa_to_ethtool_lpa_t(lpa);
1143
1144 if (phydev->duplex == DUPLEX_FULL) {
1145 phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
1146 phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
1147 }
1148 } else {
1149 /* The fiber link is only 1000M capable */
1150 phydev->lp_advertising = fiber_lpa_to_ethtool_lpa_t(lpa);
1151
1152 if (phydev->duplex == DUPLEX_FULL) {
1153 if (!(lpa & LPA_PAUSE_FIBER)) {
1154 phydev->pause = 0;
1155 phydev->asym_pause = 0;
1156 } else if ((lpa & LPA_PAUSE_ASYM_FIBER)) {
1157 phydev->pause = 1;
1158 phydev->asym_pause = 1;
1159 } else {
1160 phydev->pause = 1;
1161 phydev->asym_pause = 0;
1162 }
1163 }
1164 }
1165 return 0;
1166}
1167
1168static int marvell_read_status_page_fixed(struct phy_device *phydev)
1169{
1170 int bmcr = phy_read(phydev, MII_BMCR);
1171
1172 if (bmcr < 0)
1173 return bmcr;
1174
1175 if (bmcr & BMCR_FULLDPLX)
1176 phydev->duplex = DUPLEX_FULL;
1177 else
1178 phydev->duplex = DUPLEX_HALF;
1179
1180 if (bmcr & BMCR_SPEED1000)
1181 phydev->speed = SPEED_1000;
1182 else if (bmcr & BMCR_SPEED100)
1183 phydev->speed = SPEED_100;
1184 else
1185 phydev->speed = SPEED_10;
1186
1187 phydev->pause = 0;
1188 phydev->asym_pause = 0;
1189 phydev->lp_advertising = 0;
1190
1191 return 0;
1192}
1193
1194/* marvell_read_status_page
1195 *
1196 * Description:
1197 * Check the link, then figure out the current state
1198 * by comparing what we advertise with what the link partner
1199 * advertises. Start by checking the gigabit possibilities,
1200 * then move on to 10/100.
1201 */
1202static int marvell_read_status_page(struct phy_device *phydev, int page)
1203{
1204 int fiber;
1205 int err;
1206
1207 /* Detect and update the link, but return if there
1208 * was an error
1209 */
1210 if (page == MII_MARVELL_FIBER_PAGE)
1211 fiber = 1;
1212 else
1213 fiber = 0;
1214
1215 err = marvell_update_link(phydev, fiber);
1216 if (err)
1217 return err;
1218
1219 if (phydev->autoneg == AUTONEG_ENABLE)
1220 err = marvell_read_status_page_an(phydev, fiber);
1221 else
1222 err = marvell_read_status_page_fixed(phydev);
1223
1224 return err;
1225}
1226
1227/* marvell_read_status
1228 *
1229 * Some Marvell's phys have two modes: fiber and copper.
1230 * Both need status checked.
1231 * Description:
1232 * First, check the fiber link and status.
1233 * If the fiber link is down, check the copper link and status which
1234 * will be the default value if both link are down.
1235 */
1236static int marvell_read_status(struct phy_device *phydev)
1237{
1238 int err;
1239
1240 /* Check the fiber mode first */
1241 if (phydev->supported & SUPPORTED_FIBRE &&
1242 phydev->interface != PHY_INTERFACE_MODE_SGMII) {
1243 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1244 if (err < 0)
1245 goto error;
1246
1247 err = marvell_read_status_page(phydev, MII_MARVELL_FIBER_PAGE);
1248 if (err < 0)
1249 goto error;
1250
1251 /* If the fiber link is up, it is the selected and
1252 * used link. In this case, we need to stay in the
1253 * fiber page. Please to be careful about that, avoid
1254 * to restore Copper page in other functions which
1255 * could break the behaviour for some fiber phy like
1256 * 88E1512.
1257 */
1258 if (phydev->link)
1259 return 0;
1260
1261 /* If fiber link is down, check and save copper mode state */
1262 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1263 if (err < 0)
1264 goto error;
1265 }
1266
1267 return marvell_read_status_page(phydev, MII_MARVELL_COPPER_PAGE);
1268
1269error:
1270 marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1271 return err;
1272}
1273
1274/* marvell_suspend
1275 *
1276 * Some Marvell's phys have two modes: fiber and copper.
1277 * Both need to be suspended
1278 */
1279static int marvell_suspend(struct phy_device *phydev)
1280{
1281 int err;
1282
1283 /* Suspend the fiber mode first */
1284 if (!(phydev->supported & SUPPORTED_FIBRE)) {
1285 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1286 if (err < 0)
1287 goto error;
1288
1289 /* With the page set, use the generic suspend */
1290 err = genphy_suspend(phydev);
1291 if (err < 0)
1292 goto error;
1293
1294 /* Then, the copper link */
1295 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1296 if (err < 0)
1297 goto error;
1298 }
1299
1300 /* With the page set, use the generic suspend */
1301 return genphy_suspend(phydev);
1302
1303error:
1304 marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1305 return err;
1306}
1307
1308/* marvell_resume
1309 *
1310 * Some Marvell's phys have two modes: fiber and copper.
1311 * Both need to be resumed
1312 */
1313static int marvell_resume(struct phy_device *phydev)
1314{
1315 int err;
1316
1317 /* Resume the fiber mode first */
1318 if (!(phydev->supported & SUPPORTED_FIBRE)) {
1319 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1320 if (err < 0)
1321 goto error;
1322
1323 /* With the page set, use the generic resume */
1324 err = genphy_resume(phydev);
1325 if (err < 0)
1326 goto error;
1327
1328 /* Then, the copper link */
1329 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1330 if (err < 0)
1331 goto error;
1332 }
1333
1334 /* With the page set, use the generic resume */
1335 return genphy_resume(phydev);
1336
1337error:
1338 marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1339 return err;
1340}
1341
1342static int marvell_aneg_done(struct phy_device *phydev)
1343{
1344 int retval = phy_read(phydev, MII_M1011_PHY_STATUS);
1345
1346 return (retval < 0) ? retval : (retval & MII_M1011_PHY_STATUS_RESOLVED);
1347}
1348
1349static int m88e1121_did_interrupt(struct phy_device *phydev)
1350{
1351 int imask;
1352
1353 imask = phy_read(phydev, MII_M1011_IEVENT);
1354
1355 if (imask & MII_M1011_IMASK_INIT)
1356 return 1;
1357
1358 return 0;
1359}
1360
1361static void m88e1318_get_wol(struct phy_device *phydev,
1362 struct ethtool_wolinfo *wol)
1363{
1364 int oldpage, ret = 0;
1365
1366 wol->supported = WAKE_MAGIC;
1367 wol->wolopts = 0;
1368
1369 oldpage = phy_select_page(phydev, MII_MARVELL_WOL_PAGE);
1370 if (oldpage < 0)
1371 goto error;
1372
1373 ret = __phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
1374 if (ret & MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE)
1375 wol->wolopts |= WAKE_MAGIC;
1376
1377error:
1378 phy_restore_page(phydev, oldpage, ret);
1379}
1380
1381static int m88e1318_set_wol(struct phy_device *phydev,
1382 struct ethtool_wolinfo *wol)
1383{
1384 int err = 0, oldpage;
1385
1386 oldpage = phy_save_page(phydev);
1387 if (oldpage < 0)
1388 goto error;
1389
1390 if (wol->wolopts & WAKE_MAGIC) {
1391 /* Explicitly switch to page 0x00, just to be sure */
1392 err = marvell_write_page(phydev, MII_MARVELL_COPPER_PAGE);
1393 if (err < 0)
1394 goto error;
1395
1396 /* If WOL event happened once, the LED[2] interrupt pin
1397 * will not be cleared unless we reading the interrupt status
1398 * register. If interrupts are in use, the normal interrupt
1399 * handling will clear the WOL event. Clear the WOL event
1400 * before enabling it if !phy_interrupt_is_valid()
1401 */
1402 if (!phy_interrupt_is_valid(phydev))
1403 phy_read(phydev, MII_M1011_IEVENT);
1404
1405 /* Enable the WOL interrupt */
1406 err = __phy_modify(phydev, MII_88E1318S_PHY_CSIER, 0,
1407 MII_88E1318S_PHY_CSIER_WOL_EIE);
1408 if (err < 0)
1409 goto error;
1410
1411 err = marvell_write_page(phydev, MII_MARVELL_LED_PAGE);
1412 if (err < 0)
1413 goto error;
1414
1415 /* Setup LED[2] as interrupt pin (active low) */
1416 err = __phy_modify(phydev, MII_88E1318S_PHY_LED_TCR,
1417 MII_88E1318S_PHY_LED_TCR_FORCE_INT,
1418 MII_88E1318S_PHY_LED_TCR_INTn_ENABLE |
1419 MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW);
1420 if (err < 0)
1421 goto error;
1422
1423 err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE);
1424 if (err < 0)
1425 goto error;
1426
1427 /* Store the device address for the magic packet */
1428 err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD2,
1429 ((phydev->attached_dev->dev_addr[5] << 8) |
1430 phydev->attached_dev->dev_addr[4]));
1431 if (err < 0)
1432 goto error;
1433 err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD1,
1434 ((phydev->attached_dev->dev_addr[3] << 8) |
1435 phydev->attached_dev->dev_addr[2]));
1436 if (err < 0)
1437 goto error;
1438 err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD0,
1439 ((phydev->attached_dev->dev_addr[1] << 8) |
1440 phydev->attached_dev->dev_addr[0]));
1441 if (err < 0)
1442 goto error;
1443
1444 /* Clear WOL status and enable magic packet matching */
1445 err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL, 0,
1446 MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS |
1447 MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE);
1448 if (err < 0)
1449 goto error;
1450 } else {
1451 err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE);
1452 if (err < 0)
1453 goto error;
1454
1455 /* Clear WOL status and disable magic packet matching */
1456 err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL,
1457 MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE,
1458 MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS);
1459 if (err < 0)
1460 goto error;
1461 }
1462
1463error:
1464 return phy_restore_page(phydev, oldpage, err);
1465}
1466
1467static int marvell_get_sset_count(struct phy_device *phydev)
1468{
1469 if (phydev->supported & SUPPORTED_FIBRE)
1470 return ARRAY_SIZE(marvell_hw_stats);
1471 else
1472 return ARRAY_SIZE(marvell_hw_stats) - NB_FIBER_STATS;
1473}
1474
1475static void marvell_get_strings(struct phy_device *phydev, u8 *data)
1476{
1477 int i;
1478
1479 for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++) {
1480 strlcpy(data + i * ETH_GSTRING_LEN,
1481 marvell_hw_stats[i].string, ETH_GSTRING_LEN);
1482 }
1483}
1484
1485#ifndef UINT64_MAX
1486#define UINT64_MAX (u64)(~((u64)0))
1487#endif
1488static u64 marvell_get_stat(struct phy_device *phydev, int i)
1489{
1490 struct marvell_hw_stat stat = marvell_hw_stats[i];
1491 struct marvell_priv *priv = phydev->priv;
1492 int val;
1493 u64 ret;
1494
1495 val = phy_read_paged(phydev, stat.page, stat.reg);
1496 if (val < 0) {
1497 ret = UINT64_MAX;
1498 } else {
1499 val = val & ((1 << stat.bits) - 1);
1500 priv->stats[i] += val;
1501 ret = priv->stats[i];
1502 }
1503
1504 return ret;
1505}
1506
1507static void marvell_get_stats(struct phy_device *phydev,
1508 struct ethtool_stats *stats, u64 *data)
1509{
1510 int i;
1511
1512 for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++)
1513 data[i] = marvell_get_stat(phydev, i);
1514}
1515
1516#ifdef CONFIG_HWMON
1517static int m88e1121_get_temp(struct phy_device *phydev, long *temp)
1518{
1519 int oldpage;
1520 int ret = 0;
1521 int val;
1522
1523 *temp = 0;
1524
1525 oldpage = phy_select_page(phydev, MII_MARVELL_MISC_TEST_PAGE);
1526 if (oldpage < 0)
1527 goto error;
1528
1529 /* Enable temperature sensor */
1530 ret = __phy_read(phydev, MII_88E1121_MISC_TEST);
1531 if (ret < 0)
1532 goto error;
1533
1534 ret = __phy_write(phydev, MII_88E1121_MISC_TEST,
1535 ret | MII_88E1121_MISC_TEST_TEMP_SENSOR_EN);
1536 if (ret < 0)
1537 goto error;
1538
1539 /* Wait for temperature to stabilize */
1540 usleep_range(10000, 12000);
1541
1542 val = __phy_read(phydev, MII_88E1121_MISC_TEST);
1543 if (val < 0) {
1544 ret = val;
1545 goto error;
1546 }
1547
1548 /* Disable temperature sensor */
1549 ret = __phy_write(phydev, MII_88E1121_MISC_TEST,
1550 ret & ~MII_88E1121_MISC_TEST_TEMP_SENSOR_EN);
1551 if (ret < 0)
1552 goto error;
1553
1554 *temp = ((val & MII_88E1121_MISC_TEST_TEMP_MASK) - 5) * 5000;
1555
1556error:
1557 return phy_restore_page(phydev, oldpage, ret);
1558}
1559
1560static int m88e1121_hwmon_read(struct device *dev,
1561 enum hwmon_sensor_types type,
1562 u32 attr, int channel, long *temp)
1563{
1564 struct phy_device *phydev = dev_get_drvdata(dev);
1565 int err;
1566
1567 switch (attr) {
1568 case hwmon_temp_input:
1569 err = m88e1121_get_temp(phydev, temp);
1570 break;
1571 default:
1572 return -EOPNOTSUPP;
1573 }
1574
1575 return err;
1576}
1577
1578static umode_t m88e1121_hwmon_is_visible(const void *data,
1579 enum hwmon_sensor_types type,
1580 u32 attr, int channel)
1581{
1582 if (type != hwmon_temp)
1583 return 0;
1584
1585 switch (attr) {
1586 case hwmon_temp_input:
1587 return 0444;
1588 default:
1589 return 0;
1590 }
1591}
1592
1593static u32 m88e1121_hwmon_chip_config[] = {
1594 HWMON_C_REGISTER_TZ,
1595 0
1596};
1597
1598static const struct hwmon_channel_info m88e1121_hwmon_chip = {
1599 .type = hwmon_chip,
1600 .config = m88e1121_hwmon_chip_config,
1601};
1602
1603static u32 m88e1121_hwmon_temp_config[] = {
1604 HWMON_T_INPUT,
1605 0
1606};
1607
1608static const struct hwmon_channel_info m88e1121_hwmon_temp = {
1609 .type = hwmon_temp,
1610 .config = m88e1121_hwmon_temp_config,
1611};
1612
1613static const struct hwmon_channel_info *m88e1121_hwmon_info[] = {
1614 &m88e1121_hwmon_chip,
1615 &m88e1121_hwmon_temp,
1616 NULL
1617};
1618
1619static const struct hwmon_ops m88e1121_hwmon_hwmon_ops = {
1620 .is_visible = m88e1121_hwmon_is_visible,
1621 .read = m88e1121_hwmon_read,
1622};
1623
1624static const struct hwmon_chip_info m88e1121_hwmon_chip_info = {
1625 .ops = &m88e1121_hwmon_hwmon_ops,
1626 .info = m88e1121_hwmon_info,
1627};
1628
1629static int m88e1510_get_temp(struct phy_device *phydev, long *temp)
1630{
1631 int ret;
1632
1633 *temp = 0;
1634
1635 ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
1636 MII_88E1510_TEMP_SENSOR);
1637 if (ret < 0)
1638 return ret;
1639
1640 *temp = ((ret & MII_88E1510_TEMP_SENSOR_MASK) - 25) * 1000;
1641
1642 return 0;
1643}
1644
1645static int m88e1510_get_temp_critical(struct phy_device *phydev, long *temp)
1646{
1647 int ret;
1648
1649 *temp = 0;
1650
1651 ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
1652 MII_88E1121_MISC_TEST);
1653 if (ret < 0)
1654 return ret;
1655
1656 *temp = (((ret & MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK) >>
1657 MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT) * 5) - 25;
1658 /* convert to mC */
1659 *temp *= 1000;
1660
1661 return 0;
1662}
1663
1664static int m88e1510_set_temp_critical(struct phy_device *phydev, long temp)
1665{
1666 temp = temp / 1000;
1667 temp = clamp_val(DIV_ROUND_CLOSEST(temp, 5) + 5, 0, 0x1f);
1668
1669 return phy_modify_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
1670 MII_88E1121_MISC_TEST,
1671 MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK,
1672 temp << MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT);
1673}
1674
1675static int m88e1510_get_temp_alarm(struct phy_device *phydev, long *alarm)
1676{
1677 int ret;
1678
1679 *alarm = false;
1680
1681 ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
1682 MII_88E1121_MISC_TEST);
1683 if (ret < 0)
1684 return ret;
1685
1686 *alarm = !!(ret & MII_88E1510_MISC_TEST_TEMP_IRQ);
1687
1688 return 0;
1689}
1690
1691static int m88e1510_hwmon_read(struct device *dev,
1692 enum hwmon_sensor_types type,
1693 u32 attr, int channel, long *temp)
1694{
1695 struct phy_device *phydev = dev_get_drvdata(dev);
1696 int err;
1697
1698 switch (attr) {
1699 case hwmon_temp_input:
1700 err = m88e1510_get_temp(phydev, temp);
1701 break;
1702 case hwmon_temp_crit:
1703 err = m88e1510_get_temp_critical(phydev, temp);
1704 break;
1705 case hwmon_temp_max_alarm:
1706 err = m88e1510_get_temp_alarm(phydev, temp);
1707 break;
1708 default:
1709 return -EOPNOTSUPP;
1710 }
1711
1712 return err;
1713}
1714
1715static int m88e1510_hwmon_write(struct device *dev,
1716 enum hwmon_sensor_types type,
1717 u32 attr, int channel, long temp)
1718{
1719 struct phy_device *phydev = dev_get_drvdata(dev);
1720 int err;
1721
1722 switch (attr) {
1723 case hwmon_temp_crit:
1724 err = m88e1510_set_temp_critical(phydev, temp);
1725 break;
1726 default:
1727 return -EOPNOTSUPP;
1728 }
1729 return err;
1730}
1731
1732static umode_t m88e1510_hwmon_is_visible(const void *data,
1733 enum hwmon_sensor_types type,
1734 u32 attr, int channel)
1735{
1736 if (type != hwmon_temp)
1737 return 0;
1738
1739 switch (attr) {
1740 case hwmon_temp_input:
1741 case hwmon_temp_max_alarm:
1742 return 0444;
1743 case hwmon_temp_crit:
1744 return 0644;
1745 default:
1746 return 0;
1747 }
1748}
1749
1750static u32 m88e1510_hwmon_temp_config[] = {
1751 HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_MAX_ALARM,
1752 0
1753};
1754
1755static const struct hwmon_channel_info m88e1510_hwmon_temp = {
1756 .type = hwmon_temp,
1757 .config = m88e1510_hwmon_temp_config,
1758};
1759
1760static const struct hwmon_channel_info *m88e1510_hwmon_info[] = {
1761 &m88e1121_hwmon_chip,
1762 &m88e1510_hwmon_temp,
1763 NULL
1764};
1765
1766static const struct hwmon_ops m88e1510_hwmon_hwmon_ops = {
1767 .is_visible = m88e1510_hwmon_is_visible,
1768 .read = m88e1510_hwmon_read,
1769 .write = m88e1510_hwmon_write,
1770};
1771
1772static const struct hwmon_chip_info m88e1510_hwmon_chip_info = {
1773 .ops = &m88e1510_hwmon_hwmon_ops,
1774 .info = m88e1510_hwmon_info,
1775};
1776
1777static int m88e6390_get_temp(struct phy_device *phydev, long *temp)
1778{
1779 int sum = 0;
1780 int oldpage;
1781 int ret = 0;
1782 int i;
1783
1784 *temp = 0;
1785
1786 oldpage = phy_select_page(phydev, MII_MARVELL_MISC_TEST_PAGE);
1787 if (oldpage < 0)
1788 goto error;
1789
1790 /* Enable temperature sensor */
1791 ret = __phy_read(phydev, MII_88E6390_MISC_TEST);
1792 if (ret < 0)
1793 goto error;
1794
1795 ret = ret & ~MII_88E6390_MISC_TEST_SAMPLE_MASK;
1796 ret |= MII_88E6390_MISC_TEST_SAMPLE_ENABLE |
1797 MII_88E6390_MISC_TEST_SAMPLE_1S;
1798
1799 ret = __phy_write(phydev, MII_88E6390_MISC_TEST, ret);
1800 if (ret < 0)
1801 goto error;
1802
1803 /* Wait for temperature to stabilize */
1804 usleep_range(10000, 12000);
1805
1806 /* Reading the temperature sense has an errata. You need to read
1807 * a number of times and take an average.
1808 */
1809 for (i = 0; i < MII_88E6390_TEMP_SENSOR_SAMPLES; i++) {
1810 ret = __phy_read(phydev, MII_88E6390_TEMP_SENSOR);
1811 if (ret < 0)
1812 goto error;
1813 sum += ret & MII_88E6390_TEMP_SENSOR_MASK;
1814 }
1815
1816 sum /= MII_88E6390_TEMP_SENSOR_SAMPLES;
1817 *temp = (sum - 75) * 1000;
1818
1819 /* Disable temperature sensor */
1820 ret = __phy_read(phydev, MII_88E6390_MISC_TEST);
1821 if (ret < 0)
1822 goto error;
1823
1824 ret = ret & ~MII_88E6390_MISC_TEST_SAMPLE_MASK;
1825 ret |= MII_88E6390_MISC_TEST_SAMPLE_DISABLE;
1826
1827 ret = __phy_write(phydev, MII_88E6390_MISC_TEST, ret);
1828
1829error:
1830 phy_restore_page(phydev, oldpage, ret);
1831
1832 return ret;
1833}
1834
1835static int m88e6390_hwmon_read(struct device *dev,
1836 enum hwmon_sensor_types type,
1837 u32 attr, int channel, long *temp)
1838{
1839 struct phy_device *phydev = dev_get_drvdata(dev);
1840 int err;
1841
1842 switch (attr) {
1843 case hwmon_temp_input:
1844 err = m88e6390_get_temp(phydev, temp);
1845 break;
1846 default:
1847 return -EOPNOTSUPP;
1848 }
1849
1850 return err;
1851}
1852
1853static umode_t m88e6390_hwmon_is_visible(const void *data,
1854 enum hwmon_sensor_types type,
1855 u32 attr, int channel)
1856{
1857 if (type != hwmon_temp)
1858 return 0;
1859
1860 switch (attr) {
1861 case hwmon_temp_input:
1862 return 0444;
1863 default:
1864 return 0;
1865 }
1866}
1867
1868static u32 m88e6390_hwmon_temp_config[] = {
1869 HWMON_T_INPUT,
1870 0
1871};
1872
1873static const struct hwmon_channel_info m88e6390_hwmon_temp = {
1874 .type = hwmon_temp,
1875 .config = m88e6390_hwmon_temp_config,
1876};
1877
1878static const struct hwmon_channel_info *m88e6390_hwmon_info[] = {
1879 &m88e1121_hwmon_chip,
1880 &m88e6390_hwmon_temp,
1881 NULL
1882};
1883
1884static const struct hwmon_ops m88e6390_hwmon_hwmon_ops = {
1885 .is_visible = m88e6390_hwmon_is_visible,
1886 .read = m88e6390_hwmon_read,
1887};
1888
1889static const struct hwmon_chip_info m88e6390_hwmon_chip_info = {
1890 .ops = &m88e6390_hwmon_hwmon_ops,
1891 .info = m88e6390_hwmon_info,
1892};
1893
1894static int marvell_hwmon_name(struct phy_device *phydev)
1895{
1896 struct marvell_priv *priv = phydev->priv;
1897 struct device *dev = &phydev->mdio.dev;
1898 const char *devname = dev_name(dev);
1899 size_t len = strlen(devname);
1900 int i, j;
1901
1902 priv->hwmon_name = devm_kzalloc(dev, len, GFP_KERNEL);
1903 if (!priv->hwmon_name)
1904 return -ENOMEM;
1905
1906 for (i = j = 0; i < len && devname[i]; i++) {
1907 if (isalnum(devname[i]))
1908 priv->hwmon_name[j++] = devname[i];
1909 }
1910
1911 return 0;
1912}
1913
1914static int marvell_hwmon_probe(struct phy_device *phydev,
1915 const struct hwmon_chip_info *chip)
1916{
1917 struct marvell_priv *priv = phydev->priv;
1918 struct device *dev = &phydev->mdio.dev;
1919 int err;
1920
1921 err = marvell_hwmon_name(phydev);
1922 if (err)
1923 return err;
1924
1925 priv->hwmon_dev = devm_hwmon_device_register_with_info(
1926 dev, priv->hwmon_name, phydev, chip, NULL);
1927
1928 return PTR_ERR_OR_ZERO(priv->hwmon_dev);
1929}
1930
1931static int m88e1121_hwmon_probe(struct phy_device *phydev)
1932{
1933 return marvell_hwmon_probe(phydev, &m88e1121_hwmon_chip_info);
1934}
1935
1936static int m88e1510_hwmon_probe(struct phy_device *phydev)
1937{
1938 return marvell_hwmon_probe(phydev, &m88e1510_hwmon_chip_info);
1939}
1940
1941static int m88e6390_hwmon_probe(struct phy_device *phydev)
1942{
1943 return marvell_hwmon_probe(phydev, &m88e6390_hwmon_chip_info);
1944}
1945#else
1946static int m88e1121_hwmon_probe(struct phy_device *phydev)
1947{
1948 return 0;
1949}
1950
1951static int m88e1510_hwmon_probe(struct phy_device *phydev)
1952{
1953 return 0;
1954}
1955
1956static int m88e6390_hwmon_probe(struct phy_device *phydev)
1957{
1958 return 0;
1959}
1960#endif
1961
1962static int marvell_probe(struct phy_device *phydev)
1963{
1964 struct marvell_priv *priv;
1965
1966 priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
1967 if (!priv)
1968 return -ENOMEM;
1969
1970 phydev->priv = priv;
1971
1972 return 0;
1973}
1974
1975static int m88e1121_probe(struct phy_device *phydev)
1976{
1977 int err;
1978
1979 err = marvell_probe(phydev);
1980 if (err)
1981 return err;
1982
1983 return m88e1121_hwmon_probe(phydev);
1984}
1985
1986static int m88e1510_probe(struct phy_device *phydev)
1987{
1988 int err;
1989
1990 err = marvell_probe(phydev);
1991 if (err)
1992 return err;
1993
1994 return m88e1510_hwmon_probe(phydev);
1995}
1996
1997static int m88e6390_probe(struct phy_device *phydev)
1998{
1999 int err;
2000
2001 err = marvell_probe(phydev);
2002 if (err)
2003 return err;
2004
2005 return m88e6390_hwmon_probe(phydev);
2006}
2007
2008static struct phy_driver marvell_drivers[] = {
2009 {
2010 .phy_id = MARVELL_PHY_ID_88E1101,
2011 .phy_id_mask = MARVELL_PHY_ID_MASK,
2012 .name = "Marvell 88E1101",
2013 .features = PHY_GBIT_FEATURES,
2014 .flags = PHY_HAS_INTERRUPT,
2015 .probe = marvell_probe,
2016 .config_init = &marvell_config_init,
2017 .config_aneg = &m88e1101_config_aneg,
2018 .ack_interrupt = &marvell_ack_interrupt,
2019 .config_intr = &marvell_config_intr,
2020 .resume = &genphy_resume,
2021 .suspend = &genphy_suspend,
2022 .read_page = marvell_read_page,
2023 .write_page = marvell_write_page,
2024 .get_sset_count = marvell_get_sset_count,
2025 .get_strings = marvell_get_strings,
2026 .get_stats = marvell_get_stats,
2027 },
2028 {
2029 .phy_id = MARVELL_PHY_ID_88E1112,
2030 .phy_id_mask = MARVELL_PHY_ID_MASK,
2031 .name = "Marvell 88E1112",
2032 .features = PHY_GBIT_FEATURES,
2033 .flags = PHY_HAS_INTERRUPT,
2034 .probe = marvell_probe,
2035 .config_init = &m88e1111_config_init,
2036 .config_aneg = &marvell_config_aneg,
2037 .ack_interrupt = &marvell_ack_interrupt,
2038 .config_intr = &marvell_config_intr,
2039 .resume = &genphy_resume,
2040 .suspend = &genphy_suspend,
2041 .read_page = marvell_read_page,
2042 .write_page = marvell_write_page,
2043 .get_sset_count = marvell_get_sset_count,
2044 .get_strings = marvell_get_strings,
2045 .get_stats = marvell_get_stats,
2046 },
2047 {
2048 .phy_id = MARVELL_PHY_ID_88E1111,
2049 .phy_id_mask = MARVELL_PHY_ID_MASK,
2050 .name = "Marvell 88E1111",
2051 .features = PHY_GBIT_FEATURES,
2052 .flags = PHY_HAS_INTERRUPT,
2053 .probe = marvell_probe,
2054 .config_init = &m88e1111_config_init,
2055 .config_aneg = &m88e1111_config_aneg,
2056 .read_status = &marvell_read_status,
2057 .ack_interrupt = &marvell_ack_interrupt,
2058 .config_intr = &marvell_config_intr,
2059 .resume = &genphy_resume,
2060 .suspend = &genphy_suspend,
2061 .read_page = marvell_read_page,
2062 .write_page = marvell_write_page,
2063 .get_sset_count = marvell_get_sset_count,
2064 .get_strings = marvell_get_strings,
2065 .get_stats = marvell_get_stats,
2066 },
2067 {
2068 .phy_id = MARVELL_PHY_ID_88E1118,
2069 .phy_id_mask = MARVELL_PHY_ID_MASK,
2070 .name = "Marvell 88E1118",
2071 .features = PHY_GBIT_FEATURES,
2072 .flags = PHY_HAS_INTERRUPT,
2073 .probe = marvell_probe,
2074 .config_init = &m88e1118_config_init,
2075 .config_aneg = &m88e1118_config_aneg,
2076 .ack_interrupt = &marvell_ack_interrupt,
2077 .config_intr = &marvell_config_intr,
2078 .resume = &genphy_resume,
2079 .suspend = &genphy_suspend,
2080 .read_page = marvell_read_page,
2081 .write_page = marvell_write_page,
2082 .get_sset_count = marvell_get_sset_count,
2083 .get_strings = marvell_get_strings,
2084 .get_stats = marvell_get_stats,
2085 },
2086 {
2087 .phy_id = MARVELL_PHY_ID_88E1121R,
2088 .phy_id_mask = MARVELL_PHY_ID_MASK,
2089 .name = "Marvell 88E1121R",
2090 .features = PHY_GBIT_FEATURES,
2091 .flags = PHY_HAS_INTERRUPT,
2092 .probe = &m88e1121_probe,
2093 .config_init = &m88e1121_config_init,
2094 .config_aneg = &m88e1121_config_aneg,
2095 .read_status = &marvell_read_status,
2096 .ack_interrupt = &marvell_ack_interrupt,
2097 .config_intr = &marvell_config_intr,
2098 .did_interrupt = &m88e1121_did_interrupt,
2099 .resume = &genphy_resume,
2100 .suspend = &genphy_suspend,
2101 .read_page = marvell_read_page,
2102 .write_page = marvell_write_page,
2103 .get_sset_count = marvell_get_sset_count,
2104 .get_strings = marvell_get_strings,
2105 .get_stats = marvell_get_stats,
2106 },
2107 {
2108 .phy_id = MARVELL_PHY_ID_88E1318S,
2109 .phy_id_mask = MARVELL_PHY_ID_MASK,
2110 .name = "Marvell 88E1318S",
2111 .features = PHY_GBIT_FEATURES,
2112 .flags = PHY_HAS_INTERRUPT,
2113 .probe = marvell_probe,
2114 .config_init = &m88e1318_config_init,
2115 .config_aneg = &m88e1318_config_aneg,
2116 .read_status = &marvell_read_status,
2117 .ack_interrupt = &marvell_ack_interrupt,
2118 .config_intr = &marvell_config_intr,
2119 .did_interrupt = &m88e1121_did_interrupt,
2120 .get_wol = &m88e1318_get_wol,
2121 .set_wol = &m88e1318_set_wol,
2122 .resume = &genphy_resume,
2123 .suspend = &genphy_suspend,
2124 .read_page = marvell_read_page,
2125 .write_page = marvell_write_page,
2126 .get_sset_count = marvell_get_sset_count,
2127 .get_strings = marvell_get_strings,
2128 .get_stats = marvell_get_stats,
2129 },
2130 {
2131 .phy_id = MARVELL_PHY_ID_88E1145,
2132 .phy_id_mask = MARVELL_PHY_ID_MASK,
2133 .name = "Marvell 88E1145",
2134 .features = PHY_GBIT_FEATURES,
2135 .flags = PHY_HAS_INTERRUPT,
2136 .probe = marvell_probe,
2137 .config_init = &m88e1145_config_init,
2138 .config_aneg = &m88e1101_config_aneg,
2139 .read_status = &genphy_read_status,
2140 .ack_interrupt = &marvell_ack_interrupt,
2141 .config_intr = &marvell_config_intr,
2142 .resume = &genphy_resume,
2143 .suspend = &genphy_suspend,
2144 .read_page = marvell_read_page,
2145 .write_page = marvell_write_page,
2146 .get_sset_count = marvell_get_sset_count,
2147 .get_strings = marvell_get_strings,
2148 .get_stats = marvell_get_stats,
2149 },
2150 {
2151 .phy_id = MARVELL_PHY_ID_88E1149R,
2152 .phy_id_mask = MARVELL_PHY_ID_MASK,
2153 .name = "Marvell 88E1149R",
2154 .features = PHY_GBIT_FEATURES,
2155 .flags = PHY_HAS_INTERRUPT,
2156 .probe = marvell_probe,
2157 .config_init = &m88e1149_config_init,
2158 .config_aneg = &m88e1118_config_aneg,
2159 .ack_interrupt = &marvell_ack_interrupt,
2160 .config_intr = &marvell_config_intr,
2161 .resume = &genphy_resume,
2162 .suspend = &genphy_suspend,
2163 .read_page = marvell_read_page,
2164 .write_page = marvell_write_page,
2165 .get_sset_count = marvell_get_sset_count,
2166 .get_strings = marvell_get_strings,
2167 .get_stats = marvell_get_stats,
2168 },
2169 {
2170 .phy_id = MARVELL_PHY_ID_88E1240,
2171 .phy_id_mask = MARVELL_PHY_ID_MASK,
2172 .name = "Marvell 88E1240",
2173 .features = PHY_GBIT_FEATURES,
2174 .flags = PHY_HAS_INTERRUPT,
2175 .probe = marvell_probe,
2176 .config_init = &m88e1111_config_init,
2177 .config_aneg = &marvell_config_aneg,
2178 .ack_interrupt = &marvell_ack_interrupt,
2179 .config_intr = &marvell_config_intr,
2180 .resume = &genphy_resume,
2181 .suspend = &genphy_suspend,
2182 .read_page = marvell_read_page,
2183 .write_page = marvell_write_page,
2184 .get_sset_count = marvell_get_sset_count,
2185 .get_strings = marvell_get_strings,
2186 .get_stats = marvell_get_stats,
2187 },
2188 {
2189 .phy_id = MARVELL_PHY_ID_88E1116R,
2190 .phy_id_mask = MARVELL_PHY_ID_MASK,
2191 .name = "Marvell 88E1116R",
2192 .features = PHY_GBIT_FEATURES,
2193 .flags = PHY_HAS_INTERRUPT,
2194 .probe = marvell_probe,
2195 .config_init = &m88e1116r_config_init,
2196 .ack_interrupt = &marvell_ack_interrupt,
2197 .config_intr = &marvell_config_intr,
2198 .resume = &genphy_resume,
2199 .suspend = &genphy_suspend,
2200 .read_page = marvell_read_page,
2201 .write_page = marvell_write_page,
2202 .get_sset_count = marvell_get_sset_count,
2203 .get_strings = marvell_get_strings,
2204 .get_stats = marvell_get_stats,
2205 },
2206 {
2207 .phy_id = MARVELL_PHY_ID_88E1510,
2208 .phy_id_mask = MARVELL_PHY_ID_MASK,
2209 .name = "Marvell 88E1510",
2210 .features = PHY_GBIT_FEATURES | SUPPORTED_FIBRE,
2211 .flags = PHY_HAS_INTERRUPT,
2212 .probe = &m88e1510_probe,
2213 .config_init = &m88e1510_config_init,
2214 .config_aneg = &m88e1510_config_aneg,
2215 .read_status = &marvell_read_status,
2216 .ack_interrupt = &marvell_ack_interrupt,
2217 .config_intr = &marvell_config_intr,
2218 .did_interrupt = &m88e1121_did_interrupt,
2219 .get_wol = &m88e1318_get_wol,
2220 .set_wol = &m88e1318_set_wol,
2221 .resume = &marvell_resume,
2222 .suspend = &marvell_suspend,
2223 .read_page = marvell_read_page,
2224 .write_page = marvell_write_page,
2225 .get_sset_count = marvell_get_sset_count,
2226 .get_strings = marvell_get_strings,
2227 .get_stats = marvell_get_stats,
2228 .set_loopback = genphy_loopback,
2229 },
2230 {
2231 .phy_id = MARVELL_PHY_ID_88E1540,
2232 .phy_id_mask = MARVELL_PHY_ID_MASK,
2233 .name = "Marvell 88E1540",
2234 .features = PHY_GBIT_FEATURES,
2235 .flags = PHY_HAS_INTERRUPT,
2236 .probe = m88e1510_probe,
2237 .config_init = &marvell_config_init,
2238 .config_aneg = &m88e1510_config_aneg,
2239 .read_status = &marvell_read_status,
2240 .ack_interrupt = &marvell_ack_interrupt,
2241 .config_intr = &marvell_config_intr,
2242 .did_interrupt = &m88e1121_did_interrupt,
2243 .resume = &genphy_resume,
2244 .suspend = &genphy_suspend,
2245 .read_page = marvell_read_page,
2246 .write_page = marvell_write_page,
2247 .get_sset_count = marvell_get_sset_count,
2248 .get_strings = marvell_get_strings,
2249 .get_stats = marvell_get_stats,
2250 },
2251 {
2252 .phy_id = MARVELL_PHY_ID_88E1545,
2253 .phy_id_mask = MARVELL_PHY_ID_MASK,
2254 .name = "Marvell 88E1545",
2255 .probe = m88e1510_probe,
2256 .features = PHY_GBIT_FEATURES,
2257 .flags = PHY_HAS_INTERRUPT,
2258 .config_init = &marvell_config_init,
2259 .config_aneg = &m88e1510_config_aneg,
2260 .read_status = &marvell_read_status,
2261 .ack_interrupt = &marvell_ack_interrupt,
2262 .config_intr = &marvell_config_intr,
2263 .did_interrupt = &m88e1121_did_interrupt,
2264 .resume = &genphy_resume,
2265 .suspend = &genphy_suspend,
2266 .read_page = marvell_read_page,
2267 .write_page = marvell_write_page,
2268 .get_sset_count = marvell_get_sset_count,
2269 .get_strings = marvell_get_strings,
2270 .get_stats = marvell_get_stats,
2271 },
2272 {
2273 .phy_id = MARVELL_PHY_ID_88E3016,
2274 .phy_id_mask = MARVELL_PHY_ID_MASK,
2275 .name = "Marvell 88E3016",
2276 .features = PHY_BASIC_FEATURES,
2277 .flags = PHY_HAS_INTERRUPT,
2278 .probe = marvell_probe,
2279 .config_init = &m88e3016_config_init,
2280 .aneg_done = &marvell_aneg_done,
2281 .read_status = &marvell_read_status,
2282 .ack_interrupt = &marvell_ack_interrupt,
2283 .config_intr = &marvell_config_intr,
2284 .did_interrupt = &m88e1121_did_interrupt,
2285 .resume = &genphy_resume,
2286 .suspend = &genphy_suspend,
2287 .read_page = marvell_read_page,
2288 .write_page = marvell_write_page,
2289 .get_sset_count = marvell_get_sset_count,
2290 .get_strings = marvell_get_strings,
2291 .get_stats = marvell_get_stats,
2292 },
2293 {
2294 .phy_id = MARVELL_PHY_ID_88E6390,
2295 .phy_id_mask = MARVELL_PHY_ID_MASK,
2296 .name = "Marvell 88E6390",
2297 .features = PHY_GBIT_FEATURES,
2298 .flags = PHY_HAS_INTERRUPT,
2299 .probe = m88e6390_probe,
2300 .config_init = &marvell_config_init,
2301 .config_aneg = &m88e1510_config_aneg,
2302 .read_status = &marvell_read_status,
2303 .ack_interrupt = &marvell_ack_interrupt,
2304 .config_intr = &marvell_config_intr,
2305 .did_interrupt = &m88e1121_did_interrupt,
2306 .resume = &genphy_resume,
2307 .suspend = &genphy_suspend,
2308 .read_page = marvell_read_page,
2309 .write_page = marvell_write_page,
2310 .get_sset_count = marvell_get_sset_count,
2311 .get_strings = marvell_get_strings,
2312 .get_stats = marvell_get_stats,
2313 },
2314};
2315
2316module_phy_driver(marvell_drivers);
2317
2318static struct mdio_device_id __maybe_unused marvell_tbl[] = {
2319 { MARVELL_PHY_ID_88E1101, MARVELL_PHY_ID_MASK },
2320 { MARVELL_PHY_ID_88E1112, MARVELL_PHY_ID_MASK },
2321 { MARVELL_PHY_ID_88E1111, MARVELL_PHY_ID_MASK },
2322 { MARVELL_PHY_ID_88E1118, MARVELL_PHY_ID_MASK },
2323 { MARVELL_PHY_ID_88E1121R, MARVELL_PHY_ID_MASK },
2324 { MARVELL_PHY_ID_88E1145, MARVELL_PHY_ID_MASK },
2325 { MARVELL_PHY_ID_88E1149R, MARVELL_PHY_ID_MASK },
2326 { MARVELL_PHY_ID_88E1240, MARVELL_PHY_ID_MASK },
2327 { MARVELL_PHY_ID_88E1318S, MARVELL_PHY_ID_MASK },
2328 { MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK },
2329 { MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK },
2330 { MARVELL_PHY_ID_88E1540, MARVELL_PHY_ID_MASK },
2331 { MARVELL_PHY_ID_88E1545, MARVELL_PHY_ID_MASK },
2332 { MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK },
2333 { MARVELL_PHY_ID_88E6390, MARVELL_PHY_ID_MASK },
2334 { }
2335};
2336
2337MODULE_DEVICE_TABLE(mdio, marvell_tbl);
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * drivers/net/phy/marvell.c
4 *
5 * Driver for Marvell PHYs
6 *
7 * Author: Andy Fleming
8 *
9 * Copyright (c) 2004 Freescale Semiconductor, Inc.
10 *
11 * Copyright (c) 2013 Michael Stapelberg <michael@stapelberg.de>
12 */
13#include <linux/kernel.h>
14#include <linux/string.h>
15#include <linux/ctype.h>
16#include <linux/errno.h>
17#include <linux/unistd.h>
18#include <linux/hwmon.h>
19#include <linux/interrupt.h>
20#include <linux/init.h>
21#include <linux/delay.h>
22#include <linux/netdevice.h>
23#include <linux/etherdevice.h>
24#include <linux/skbuff.h>
25#include <linux/spinlock.h>
26#include <linux/mm.h>
27#include <linux/module.h>
28#include <linux/mii.h>
29#include <linux/ethtool.h>
30#include <linux/ethtool_netlink.h>
31#include <linux/phy.h>
32#include <linux/marvell_phy.h>
33#include <linux/bitfield.h>
34#include <linux/of.h>
35#include <linux/sfp.h>
36
37#include <linux/io.h>
38#include <asm/irq.h>
39#include <linux/uaccess.h>
40
41#define MII_MARVELL_PHY_PAGE 22
42#define MII_MARVELL_COPPER_PAGE 0x00
43#define MII_MARVELL_FIBER_PAGE 0x01
44#define MII_MARVELL_MSCR_PAGE 0x02
45#define MII_MARVELL_LED_PAGE 0x03
46#define MII_MARVELL_VCT5_PAGE 0x05
47#define MII_MARVELL_MISC_TEST_PAGE 0x06
48#define MII_MARVELL_VCT7_PAGE 0x07
49#define MII_MARVELL_WOL_PAGE 0x11
50#define MII_MARVELL_MODE_PAGE 0x12
51
52#define MII_M1011_IEVENT 0x13
53#define MII_M1011_IEVENT_CLEAR 0x0000
54
55#define MII_M1011_IMASK 0x12
56#define MII_M1011_IMASK_INIT 0x6400
57#define MII_M1011_IMASK_CLEAR 0x0000
58
59#define MII_M1011_PHY_SCR 0x10
60#define MII_M1011_PHY_SCR_DOWNSHIFT_EN BIT(11)
61#define MII_M1011_PHY_SCR_DOWNSHIFT_MASK GENMASK(14, 12)
62#define MII_M1011_PHY_SCR_DOWNSHIFT_MAX 8
63#define MII_M1011_PHY_SCR_MDI (0x0 << 5)
64#define MII_M1011_PHY_SCR_MDI_X (0x1 << 5)
65#define MII_M1011_PHY_SCR_AUTO_CROSS (0x3 << 5)
66
67#define MII_M1011_PHY_SSR 0x11
68#define MII_M1011_PHY_SSR_DOWNSHIFT BIT(5)
69
70#define MII_M1111_PHY_LED_CONTROL 0x18
71#define MII_M1111_PHY_LED_DIRECT 0x4100
72#define MII_M1111_PHY_LED_COMBINE 0x411c
73#define MII_M1111_PHY_EXT_CR 0x14
74#define MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK GENMASK(11, 9)
75#define MII_M1111_PHY_EXT_CR_DOWNSHIFT_MAX 8
76#define MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN BIT(8)
77#define MII_M1111_RGMII_RX_DELAY BIT(7)
78#define MII_M1111_RGMII_TX_DELAY BIT(1)
79#define MII_M1111_PHY_EXT_SR 0x1b
80
81#define MII_M1111_HWCFG_MODE_MASK 0xf
82#define MII_M1111_HWCFG_MODE_FIBER_RGMII 0x3
83#define MII_M1111_HWCFG_MODE_SGMII_NO_CLK 0x4
84#define MII_M1111_HWCFG_MODE_RTBI 0x7
85#define MII_M1111_HWCFG_MODE_COPPER_1000X_AN 0x8
86#define MII_M1111_HWCFG_MODE_COPPER_RTBI 0x9
87#define MII_M1111_HWCFG_MODE_COPPER_RGMII 0xb
88#define MII_M1111_HWCFG_MODE_COPPER_1000X_NOAN 0xc
89#define MII_M1111_HWCFG_SERIAL_AN_BYPASS BIT(12)
90#define MII_M1111_HWCFG_FIBER_COPPER_RES BIT(13)
91#define MII_M1111_HWCFG_FIBER_COPPER_AUTO BIT(15)
92
93#define MII_88E1121_PHY_MSCR_REG 21
94#define MII_88E1121_PHY_MSCR_RX_DELAY BIT(5)
95#define MII_88E1121_PHY_MSCR_TX_DELAY BIT(4)
96#define MII_88E1121_PHY_MSCR_DELAY_MASK (BIT(5) | BIT(4))
97
98#define MII_88E1121_MISC_TEST 0x1a
99#define MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK 0x1f00
100#define MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT 8
101#define MII_88E1510_MISC_TEST_TEMP_IRQ_EN BIT(7)
102#define MII_88E1510_MISC_TEST_TEMP_IRQ BIT(6)
103#define MII_88E1121_MISC_TEST_TEMP_SENSOR_EN BIT(5)
104#define MII_88E1121_MISC_TEST_TEMP_MASK 0x1f
105
106#define MII_88E1510_TEMP_SENSOR 0x1b
107#define MII_88E1510_TEMP_SENSOR_MASK 0xff
108
109#define MII_88E1540_COPPER_CTRL3 0x1a
110#define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK GENMASK(11, 10)
111#define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_00MS 0
112#define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_10MS 1
113#define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_20MS 2
114#define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_40MS 3
115#define MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN BIT(9)
116
117#define MII_88E6390_MISC_TEST 0x1b
118#define MII_88E6390_MISC_TEST_TEMP_SENSOR_ENABLE_SAMPLE_1S (0x0 << 14)
119#define MII_88E6390_MISC_TEST_TEMP_SENSOR_ENABLE (0x1 << 14)
120#define MII_88E6390_MISC_TEST_TEMP_SENSOR_ENABLE_ONESHOT (0x2 << 14)
121#define MII_88E6390_MISC_TEST_TEMP_SENSOR_DISABLE (0x3 << 14)
122#define MII_88E6390_MISC_TEST_TEMP_SENSOR_MASK (0x3 << 14)
123#define MII_88E6393_MISC_TEST_SAMPLES_2048 (0x0 << 11)
124#define MII_88E6393_MISC_TEST_SAMPLES_4096 (0x1 << 11)
125#define MII_88E6393_MISC_TEST_SAMPLES_8192 (0x2 << 11)
126#define MII_88E6393_MISC_TEST_SAMPLES_16384 (0x3 << 11)
127#define MII_88E6393_MISC_TEST_SAMPLES_MASK (0x3 << 11)
128#define MII_88E6393_MISC_TEST_RATE_2_3MS (0x5 << 8)
129#define MII_88E6393_MISC_TEST_RATE_6_4MS (0x6 << 8)
130#define MII_88E6393_MISC_TEST_RATE_11_9MS (0x7 << 8)
131#define MII_88E6393_MISC_TEST_RATE_MASK (0x7 << 8)
132
133#define MII_88E6390_TEMP_SENSOR 0x1c
134#define MII_88E6393_TEMP_SENSOR_THRESHOLD_MASK 0xff00
135#define MII_88E6393_TEMP_SENSOR_THRESHOLD_SHIFT 8
136#define MII_88E6390_TEMP_SENSOR_MASK 0xff
137#define MII_88E6390_TEMP_SENSOR_SAMPLES 10
138
139#define MII_88E1318S_PHY_MSCR1_REG 16
140#define MII_88E1318S_PHY_MSCR1_PAD_ODD BIT(6)
141
142/* Copper Specific Interrupt Enable Register */
143#define MII_88E1318S_PHY_CSIER 0x12
144/* WOL Event Interrupt Enable */
145#define MII_88E1318S_PHY_CSIER_WOL_EIE BIT(7)
146
147/* LED Timer Control Register */
148#define MII_88E1318S_PHY_LED_TCR 0x12
149#define MII_88E1318S_PHY_LED_TCR_FORCE_INT BIT(15)
150#define MII_88E1318S_PHY_LED_TCR_INTn_ENABLE BIT(7)
151#define MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW BIT(11)
152
153/* Magic Packet MAC address registers */
154#define MII_88E1318S_PHY_MAGIC_PACKET_WORD2 0x17
155#define MII_88E1318S_PHY_MAGIC_PACKET_WORD1 0x18
156#define MII_88E1318S_PHY_MAGIC_PACKET_WORD0 0x19
157
158#define MII_88E1318S_PHY_WOL_CTRL 0x10
159#define MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS BIT(12)
160#define MII_88E1318S_PHY_WOL_CTRL_LINK_UP_ENABLE BIT(13)
161#define MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE BIT(14)
162
163#define MII_PHY_LED_CTRL 16
164#define MII_88E1121_PHY_LED_DEF 0x0030
165#define MII_88E1510_PHY_LED_DEF 0x1177
166#define MII_88E1510_PHY_LED0_LINK_LED1_ACTIVE 0x1040
167
168#define MII_M1011_PHY_STATUS 0x11
169#define MII_M1011_PHY_STATUS_1000 0x8000
170#define MII_M1011_PHY_STATUS_100 0x4000
171#define MII_M1011_PHY_STATUS_SPD_MASK 0xc000
172#define MII_M1011_PHY_STATUS_FULLDUPLEX 0x2000
173#define MII_M1011_PHY_STATUS_RESOLVED 0x0800
174#define MII_M1011_PHY_STATUS_LINK 0x0400
175
176#define MII_88E3016_PHY_SPEC_CTRL 0x10
177#define MII_88E3016_DISABLE_SCRAMBLER 0x0200
178#define MII_88E3016_AUTO_MDIX_CROSSOVER 0x0030
179
180#define MII_88E1510_GEN_CTRL_REG_1 0x14
181#define MII_88E1510_GEN_CTRL_REG_1_MODE_MASK 0x7
182#define MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII 0x0 /* RGMII to copper */
183#define MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII 0x1 /* SGMII to copper */
184/* RGMII to 1000BASE-X */
185#define MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_1000X 0x2
186/* RGMII to 100BASE-FX */
187#define MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_100FX 0x3
188/* RGMII to SGMII */
189#define MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_SGMII 0x4
190#define MII_88E1510_GEN_CTRL_REG_1_RESET 0x8000 /* Soft reset */
191
192#define MII_88E1510_MSCR_2 0x15
193
194#define MII_VCT5_TX_RX_MDI0_COUPLING 0x10
195#define MII_VCT5_TX_RX_MDI1_COUPLING 0x11
196#define MII_VCT5_TX_RX_MDI2_COUPLING 0x12
197#define MII_VCT5_TX_RX_MDI3_COUPLING 0x13
198#define MII_VCT5_TX_RX_AMPLITUDE_MASK 0x7f00
199#define MII_VCT5_TX_RX_AMPLITUDE_SHIFT 8
200#define MII_VCT5_TX_RX_COUPLING_POSITIVE_REFLECTION BIT(15)
201
202#define MII_VCT5_CTRL 0x17
203#define MII_VCT5_CTRL_ENABLE BIT(15)
204#define MII_VCT5_CTRL_COMPLETE BIT(14)
205#define MII_VCT5_CTRL_TX_SAME_CHANNEL (0x0 << 11)
206#define MII_VCT5_CTRL_TX0_CHANNEL (0x4 << 11)
207#define MII_VCT5_CTRL_TX1_CHANNEL (0x5 << 11)
208#define MII_VCT5_CTRL_TX2_CHANNEL (0x6 << 11)
209#define MII_VCT5_CTRL_TX3_CHANNEL (0x7 << 11)
210#define MII_VCT5_CTRL_SAMPLES_2 (0x0 << 8)
211#define MII_VCT5_CTRL_SAMPLES_4 (0x1 << 8)
212#define MII_VCT5_CTRL_SAMPLES_8 (0x2 << 8)
213#define MII_VCT5_CTRL_SAMPLES_16 (0x3 << 8)
214#define MII_VCT5_CTRL_SAMPLES_32 (0x4 << 8)
215#define MII_VCT5_CTRL_SAMPLES_64 (0x5 << 8)
216#define MII_VCT5_CTRL_SAMPLES_128 (0x6 << 8)
217#define MII_VCT5_CTRL_SAMPLES_DEFAULT (0x6 << 8)
218#define MII_VCT5_CTRL_SAMPLES_256 (0x7 << 8)
219#define MII_VCT5_CTRL_SAMPLES_SHIFT 8
220#define MII_VCT5_CTRL_MODE_MAXIMUM_PEEK (0x0 << 6)
221#define MII_VCT5_CTRL_MODE_FIRST_LAST_PEEK (0x1 << 6)
222#define MII_VCT5_CTRL_MODE_OFFSET (0x2 << 6)
223#define MII_VCT5_CTRL_SAMPLE_POINT (0x3 << 6)
224#define MII_VCT5_CTRL_PEEK_HYST_DEFAULT 3
225
226#define MII_VCT5_SAMPLE_POINT_DISTANCE 0x18
227#define MII_VCT5_SAMPLE_POINT_DISTANCE_MAX 511
228#define MII_VCT5_TX_PULSE_CTRL 0x1c
229#define MII_VCT5_TX_PULSE_CTRL_DONT_WAIT_LINK_DOWN BIT(12)
230#define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_128nS (0x0 << 10)
231#define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_96nS (0x1 << 10)
232#define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_64nS (0x2 << 10)
233#define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_32nS (0x3 << 10)
234#define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_SHIFT 10
235#define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_1000mV (0x0 << 8)
236#define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_750mV (0x1 << 8)
237#define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_500mV (0x2 << 8)
238#define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_250mV (0x3 << 8)
239#define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_SHIFT 8
240#define MII_VCT5_TX_PULSE_CTRL_MAX_AMP BIT(7)
241#define MII_VCT5_TX_PULSE_CTRL_GT_140m_46_86mV (0x6 << 0)
242
243/* For TDR measurements less than 11 meters, a short pulse should be
244 * used.
245 */
246#define TDR_SHORT_CABLE_LENGTH 11
247
248#define MII_VCT7_PAIR_0_DISTANCE 0x10
249#define MII_VCT7_PAIR_1_DISTANCE 0x11
250#define MII_VCT7_PAIR_2_DISTANCE 0x12
251#define MII_VCT7_PAIR_3_DISTANCE 0x13
252
253#define MII_VCT7_RESULTS 0x14
254#define MII_VCT7_RESULTS_PAIR3_MASK 0xf000
255#define MII_VCT7_RESULTS_PAIR2_MASK 0x0f00
256#define MII_VCT7_RESULTS_PAIR1_MASK 0x00f0
257#define MII_VCT7_RESULTS_PAIR0_MASK 0x000f
258#define MII_VCT7_RESULTS_PAIR3_SHIFT 12
259#define MII_VCT7_RESULTS_PAIR2_SHIFT 8
260#define MII_VCT7_RESULTS_PAIR1_SHIFT 4
261#define MII_VCT7_RESULTS_PAIR0_SHIFT 0
262#define MII_VCT7_RESULTS_INVALID 0
263#define MII_VCT7_RESULTS_OK 1
264#define MII_VCT7_RESULTS_OPEN 2
265#define MII_VCT7_RESULTS_SAME_SHORT 3
266#define MII_VCT7_RESULTS_CROSS_SHORT 4
267#define MII_VCT7_RESULTS_BUSY 9
268
269#define MII_VCT7_CTRL 0x15
270#define MII_VCT7_CTRL_RUN_NOW BIT(15)
271#define MII_VCT7_CTRL_RUN_ANEG BIT(14)
272#define MII_VCT7_CTRL_DISABLE_CROSS BIT(13)
273#define MII_VCT7_CTRL_RUN_AFTER_BREAK_LINK BIT(12)
274#define MII_VCT7_CTRL_IN_PROGRESS BIT(11)
275#define MII_VCT7_CTRL_METERS BIT(10)
276#define MII_VCT7_CTRL_CENTIMETERS 0
277
278#define LPA_PAUSE_FIBER 0x180
279#define LPA_PAUSE_ASYM_FIBER 0x100
280
281#define NB_FIBER_STATS 1
282
283MODULE_DESCRIPTION("Marvell PHY driver");
284MODULE_AUTHOR("Andy Fleming");
285MODULE_LICENSE("GPL");
286
287struct marvell_hw_stat {
288 const char *string;
289 u8 page;
290 u8 reg;
291 u8 bits;
292};
293
294static struct marvell_hw_stat marvell_hw_stats[] = {
295 { "phy_receive_errors_copper", 0, 21, 16},
296 { "phy_idle_errors", 0, 10, 8 },
297 { "phy_receive_errors_fiber", 1, 21, 16},
298};
299
300struct marvell_priv {
301 u64 stats[ARRAY_SIZE(marvell_hw_stats)];
302 char *hwmon_name;
303 struct device *hwmon_dev;
304 bool cable_test_tdr;
305 u32 first;
306 u32 last;
307 u32 step;
308 s8 pair;
309};
310
311static int marvell_read_page(struct phy_device *phydev)
312{
313 return __phy_read(phydev, MII_MARVELL_PHY_PAGE);
314}
315
316static int marvell_write_page(struct phy_device *phydev, int page)
317{
318 return __phy_write(phydev, MII_MARVELL_PHY_PAGE, page);
319}
320
321static int marvell_set_page(struct phy_device *phydev, int page)
322{
323 return phy_write(phydev, MII_MARVELL_PHY_PAGE, page);
324}
325
326static int marvell_ack_interrupt(struct phy_device *phydev)
327{
328 int err;
329
330 /* Clear the interrupts by reading the reg */
331 err = phy_read(phydev, MII_M1011_IEVENT);
332
333 if (err < 0)
334 return err;
335
336 return 0;
337}
338
339static int marvell_config_intr(struct phy_device *phydev)
340{
341 int err;
342
343 if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
344 err = marvell_ack_interrupt(phydev);
345 if (err)
346 return err;
347
348 err = phy_write(phydev, MII_M1011_IMASK,
349 MII_M1011_IMASK_INIT);
350 } else {
351 err = phy_write(phydev, MII_M1011_IMASK,
352 MII_M1011_IMASK_CLEAR);
353 if (err)
354 return err;
355
356 err = marvell_ack_interrupt(phydev);
357 }
358
359 return err;
360}
361
362static irqreturn_t marvell_handle_interrupt(struct phy_device *phydev)
363{
364 int irq_status;
365
366 irq_status = phy_read(phydev, MII_M1011_IEVENT);
367 if (irq_status < 0) {
368 phy_error(phydev);
369 return IRQ_NONE;
370 }
371
372 if (!(irq_status & MII_M1011_IMASK_INIT))
373 return IRQ_NONE;
374
375 phy_trigger_machine(phydev);
376
377 return IRQ_HANDLED;
378}
379
380static int marvell_set_polarity(struct phy_device *phydev, int polarity)
381{
382 u16 val;
383
384 switch (polarity) {
385 case ETH_TP_MDI:
386 val = MII_M1011_PHY_SCR_MDI;
387 break;
388 case ETH_TP_MDI_X:
389 val = MII_M1011_PHY_SCR_MDI_X;
390 break;
391 case ETH_TP_MDI_AUTO:
392 case ETH_TP_MDI_INVALID:
393 default:
394 val = MII_M1011_PHY_SCR_AUTO_CROSS;
395 break;
396 }
397
398 return phy_modify_changed(phydev, MII_M1011_PHY_SCR,
399 MII_M1011_PHY_SCR_AUTO_CROSS, val);
400}
401
402static int marvell_config_aneg(struct phy_device *phydev)
403{
404 int changed = 0;
405 int err;
406
407 err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
408 if (err < 0)
409 return err;
410
411 changed = err;
412
413 err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
414 MII_M1111_PHY_LED_DIRECT);
415 if (err < 0)
416 return err;
417
418 err = genphy_config_aneg(phydev);
419 if (err < 0)
420 return err;
421
422 if (phydev->autoneg != AUTONEG_ENABLE || changed) {
423 /* A write to speed/duplex bits (that is performed by
424 * genphy_config_aneg() call above) must be followed by
425 * a software reset. Otherwise, the write has no effect.
426 */
427 err = genphy_soft_reset(phydev);
428 if (err < 0)
429 return err;
430 }
431
432 return 0;
433}
434
435static int m88e1101_config_aneg(struct phy_device *phydev)
436{
437 int err;
438
439 /* This Marvell PHY has an errata which requires
440 * that certain registers get written in order
441 * to restart autonegotiation
442 */
443 err = genphy_soft_reset(phydev);
444 if (err < 0)
445 return err;
446
447 err = phy_write(phydev, 0x1d, 0x1f);
448 if (err < 0)
449 return err;
450
451 err = phy_write(phydev, 0x1e, 0x200c);
452 if (err < 0)
453 return err;
454
455 err = phy_write(phydev, 0x1d, 0x5);
456 if (err < 0)
457 return err;
458
459 err = phy_write(phydev, 0x1e, 0);
460 if (err < 0)
461 return err;
462
463 err = phy_write(phydev, 0x1e, 0x100);
464 if (err < 0)
465 return err;
466
467 return marvell_config_aneg(phydev);
468}
469
470#if IS_ENABLED(CONFIG_OF_MDIO)
471/* Set and/or override some configuration registers based on the
472 * marvell,reg-init property stored in the of_node for the phydev.
473 *
474 * marvell,reg-init = <reg-page reg mask value>,...;
475 *
476 * There may be one or more sets of <reg-page reg mask value>:
477 *
478 * reg-page: which register bank to use.
479 * reg: the register.
480 * mask: if non-zero, ANDed with existing register value.
481 * value: ORed with the masked value and written to the regiser.
482 *
483 */
484static int marvell_of_reg_init(struct phy_device *phydev)
485{
486 const __be32 *paddr;
487 int len, i, saved_page, current_page, ret = 0;
488
489 if (!phydev->mdio.dev.of_node)
490 return 0;
491
492 paddr = of_get_property(phydev->mdio.dev.of_node,
493 "marvell,reg-init", &len);
494 if (!paddr || len < (4 * sizeof(*paddr)))
495 return 0;
496
497 saved_page = phy_save_page(phydev);
498 if (saved_page < 0)
499 goto err;
500 current_page = saved_page;
501
502 len /= sizeof(*paddr);
503 for (i = 0; i < len - 3; i += 4) {
504 u16 page = be32_to_cpup(paddr + i);
505 u16 reg = be32_to_cpup(paddr + i + 1);
506 u16 mask = be32_to_cpup(paddr + i + 2);
507 u16 val_bits = be32_to_cpup(paddr + i + 3);
508 int val;
509
510 if (page != current_page) {
511 current_page = page;
512 ret = marvell_write_page(phydev, page);
513 if (ret < 0)
514 goto err;
515 }
516
517 val = 0;
518 if (mask) {
519 val = __phy_read(phydev, reg);
520 if (val < 0) {
521 ret = val;
522 goto err;
523 }
524 val &= mask;
525 }
526 val |= val_bits;
527
528 ret = __phy_write(phydev, reg, val);
529 if (ret < 0)
530 goto err;
531 }
532err:
533 return phy_restore_page(phydev, saved_page, ret);
534}
535#else
536static int marvell_of_reg_init(struct phy_device *phydev)
537{
538 return 0;
539}
540#endif /* CONFIG_OF_MDIO */
541
542static int m88e1121_config_aneg_rgmii_delays(struct phy_device *phydev)
543{
544 int mscr;
545
546 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
547 mscr = MII_88E1121_PHY_MSCR_RX_DELAY |
548 MII_88E1121_PHY_MSCR_TX_DELAY;
549 else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
550 mscr = MII_88E1121_PHY_MSCR_RX_DELAY;
551 else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
552 mscr = MII_88E1121_PHY_MSCR_TX_DELAY;
553 else
554 mscr = 0;
555
556 return phy_modify_paged_changed(phydev, MII_MARVELL_MSCR_PAGE,
557 MII_88E1121_PHY_MSCR_REG,
558 MII_88E1121_PHY_MSCR_DELAY_MASK, mscr);
559}
560
561static int m88e1121_config_aneg(struct phy_device *phydev)
562{
563 int changed = 0;
564 int err = 0;
565
566 if (phy_interface_is_rgmii(phydev)) {
567 err = m88e1121_config_aneg_rgmii_delays(phydev);
568 if (err < 0)
569 return err;
570 }
571
572 changed = err;
573
574 err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
575 if (err < 0)
576 return err;
577
578 changed |= err;
579
580 err = genphy_config_aneg(phydev);
581 if (err < 0)
582 return err;
583
584 if (phydev->autoneg != AUTONEG_ENABLE || changed) {
585 /* A software reset is used to ensure a "commit" of the
586 * changes is done.
587 */
588 err = genphy_soft_reset(phydev);
589 if (err < 0)
590 return err;
591 }
592
593 return 0;
594}
595
596static int m88e1318_config_aneg(struct phy_device *phydev)
597{
598 int err;
599
600 err = phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE,
601 MII_88E1318S_PHY_MSCR1_REG,
602 0, MII_88E1318S_PHY_MSCR1_PAD_ODD);
603 if (err < 0)
604 return err;
605
606 return m88e1121_config_aneg(phydev);
607}
608
609/**
610 * linkmode_adv_to_fiber_adv_t
611 * @advertise: the linkmode advertisement settings
612 *
613 * A small helper function that translates linkmode advertisement
614 * settings to phy autonegotiation advertisements for the MII_ADV
615 * register for fiber link.
616 */
617static inline u32 linkmode_adv_to_fiber_adv_t(unsigned long *advertise)
618{
619 u32 result = 0;
620
621 if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, advertise))
622 result |= ADVERTISE_1000XHALF;
623 if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, advertise))
624 result |= ADVERTISE_1000XFULL;
625
626 if (linkmode_test_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, advertise) &&
627 linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertise))
628 result |= ADVERTISE_1000XPSE_ASYM;
629 else if (linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertise))
630 result |= ADVERTISE_1000XPAUSE;
631
632 return result;
633}
634
635/**
636 * marvell_config_aneg_fiber - restart auto-negotiation or write BMCR
637 * @phydev: target phy_device struct
638 *
639 * Description: If auto-negotiation is enabled, we configure the
640 * advertising, and then restart auto-negotiation. If it is not
641 * enabled, then we write the BMCR. Adapted for fiber link in
642 * some Marvell's devices.
643 */
644static int marvell_config_aneg_fiber(struct phy_device *phydev)
645{
646 int changed = 0;
647 int err;
648 u16 adv;
649
650 if (phydev->autoneg != AUTONEG_ENABLE)
651 return genphy_setup_forced(phydev);
652
653 /* Only allow advertising what this PHY supports */
654 linkmode_and(phydev->advertising, phydev->advertising,
655 phydev->supported);
656
657 adv = linkmode_adv_to_fiber_adv_t(phydev->advertising);
658
659 /* Setup fiber advertisement */
660 err = phy_modify_changed(phydev, MII_ADVERTISE,
661 ADVERTISE_1000XHALF | ADVERTISE_1000XFULL |
662 ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM,
663 adv);
664 if (err < 0)
665 return err;
666 if (err > 0)
667 changed = 1;
668
669 return genphy_check_and_restart_aneg(phydev, changed);
670}
671
672static int m88e1111_config_aneg(struct phy_device *phydev)
673{
674 int extsr = phy_read(phydev, MII_M1111_PHY_EXT_SR);
675 int err;
676
677 if (extsr < 0)
678 return extsr;
679
680 /* If not using SGMII or copper 1000BaseX modes, use normal process.
681 * Steps below are only required for these modes.
682 */
683 if (phydev->interface != PHY_INTERFACE_MODE_SGMII &&
684 (extsr & MII_M1111_HWCFG_MODE_MASK) !=
685 MII_M1111_HWCFG_MODE_COPPER_1000X_AN)
686 return marvell_config_aneg(phydev);
687
688 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
689 if (err < 0)
690 goto error;
691
692 /* Configure the copper link first */
693 err = marvell_config_aneg(phydev);
694 if (err < 0)
695 goto error;
696
697 /* Then the fiber link */
698 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
699 if (err < 0)
700 goto error;
701
702 if (phydev->interface == PHY_INTERFACE_MODE_SGMII)
703 /* Do not touch the fiber advertisement if we're in copper->sgmii mode.
704 * Just ensure that SGMII-side autonegotiation is enabled.
705 * If we switched from some other mode to SGMII it may not be.
706 */
707 err = genphy_check_and_restart_aneg(phydev, false);
708 else
709 err = marvell_config_aneg_fiber(phydev);
710 if (err < 0)
711 goto error;
712
713 return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
714
715error:
716 marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
717 return err;
718}
719
720static int m88e1510_config_aneg(struct phy_device *phydev)
721{
722 int err;
723
724 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
725 if (err < 0)
726 goto error;
727
728 /* Configure the copper link first */
729 err = m88e1318_config_aneg(phydev);
730 if (err < 0)
731 goto error;
732
733 /* Do not touch the fiber page if we're in copper->sgmii mode */
734 if (phydev->interface == PHY_INTERFACE_MODE_SGMII)
735 return 0;
736
737 /* Then the fiber link */
738 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
739 if (err < 0)
740 goto error;
741
742 err = marvell_config_aneg_fiber(phydev);
743 if (err < 0)
744 goto error;
745
746 return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
747
748error:
749 marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
750 return err;
751}
752
753static void marvell_config_led(struct phy_device *phydev)
754{
755 u16 def_config;
756 int err;
757
758 switch (MARVELL_PHY_FAMILY_ID(phydev->phy_id)) {
759 /* Default PHY LED config: LED[0] .. Link, LED[1] .. Activity */
760 case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1121R):
761 case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1318S):
762 def_config = MII_88E1121_PHY_LED_DEF;
763 break;
764 /* Default PHY LED config:
765 * LED[0] .. 1000Mbps Link
766 * LED[1] .. 100Mbps Link
767 * LED[2] .. Blink, Activity
768 */
769 case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1510):
770 if (phydev->dev_flags & MARVELL_PHY_LED0_LINK_LED1_ACTIVE)
771 def_config = MII_88E1510_PHY_LED0_LINK_LED1_ACTIVE;
772 else
773 def_config = MII_88E1510_PHY_LED_DEF;
774 break;
775 default:
776 return;
777 }
778
779 err = phy_write_paged(phydev, MII_MARVELL_LED_PAGE, MII_PHY_LED_CTRL,
780 def_config);
781 if (err < 0)
782 phydev_warn(phydev, "Fail to config marvell phy LED.\n");
783}
784
785static int marvell_config_init(struct phy_device *phydev)
786{
787 /* Set default LED */
788 marvell_config_led(phydev);
789
790 /* Set registers from marvell,reg-init DT property */
791 return marvell_of_reg_init(phydev);
792}
793
794static int m88e3016_config_init(struct phy_device *phydev)
795{
796 int ret;
797
798 /* Enable Scrambler and Auto-Crossover */
799 ret = phy_modify(phydev, MII_88E3016_PHY_SPEC_CTRL,
800 MII_88E3016_DISABLE_SCRAMBLER,
801 MII_88E3016_AUTO_MDIX_CROSSOVER);
802 if (ret < 0)
803 return ret;
804
805 return marvell_config_init(phydev);
806}
807
808static int m88e1111_config_init_hwcfg_mode(struct phy_device *phydev,
809 u16 mode,
810 int fibre_copper_auto)
811{
812 if (fibre_copper_auto)
813 mode |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
814
815 return phy_modify(phydev, MII_M1111_PHY_EXT_SR,
816 MII_M1111_HWCFG_MODE_MASK |
817 MII_M1111_HWCFG_FIBER_COPPER_AUTO |
818 MII_M1111_HWCFG_FIBER_COPPER_RES,
819 mode);
820}
821
822static int m88e1111_config_init_rgmii_delays(struct phy_device *phydev)
823{
824 int delay;
825
826 switch (phydev->interface) {
827 case PHY_INTERFACE_MODE_RGMII_ID:
828 delay = MII_M1111_RGMII_RX_DELAY | MII_M1111_RGMII_TX_DELAY;
829 break;
830 case PHY_INTERFACE_MODE_RGMII_RXID:
831 delay = MII_M1111_RGMII_RX_DELAY;
832 break;
833 case PHY_INTERFACE_MODE_RGMII_TXID:
834 delay = MII_M1111_RGMII_TX_DELAY;
835 break;
836 default:
837 delay = 0;
838 break;
839 }
840
841 return phy_modify(phydev, MII_M1111_PHY_EXT_CR,
842 MII_M1111_RGMII_RX_DELAY | MII_M1111_RGMII_TX_DELAY,
843 delay);
844}
845
846static int m88e1111_config_init_rgmii(struct phy_device *phydev)
847{
848 int temp;
849 int err;
850
851 err = m88e1111_config_init_rgmii_delays(phydev);
852 if (err < 0)
853 return err;
854
855 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
856 if (temp < 0)
857 return temp;
858
859 temp &= ~(MII_M1111_HWCFG_MODE_MASK);
860
861 if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES)
862 temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
863 else
864 temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
865
866 return phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
867}
868
869static int m88e1111_config_init_sgmii(struct phy_device *phydev)
870{
871 int err;
872
873 err = m88e1111_config_init_hwcfg_mode(
874 phydev,
875 MII_M1111_HWCFG_MODE_SGMII_NO_CLK,
876 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
877 if (err < 0)
878 return err;
879
880 /* make sure copper is selected */
881 return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
882}
883
884static int m88e1111_config_init_rtbi(struct phy_device *phydev)
885{
886 int err;
887
888 err = m88e1111_config_init_rgmii_delays(phydev);
889 if (err < 0)
890 return err;
891
892 err = m88e1111_config_init_hwcfg_mode(
893 phydev,
894 MII_M1111_HWCFG_MODE_RTBI,
895 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
896 if (err < 0)
897 return err;
898
899 /* soft reset */
900 err = genphy_soft_reset(phydev);
901 if (err < 0)
902 return err;
903
904 return m88e1111_config_init_hwcfg_mode(
905 phydev,
906 MII_M1111_HWCFG_MODE_RTBI,
907 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
908}
909
910static int m88e1111_config_init_1000basex(struct phy_device *phydev)
911{
912 int extsr = phy_read(phydev, MII_M1111_PHY_EXT_SR);
913 int err, mode;
914
915 if (extsr < 0)
916 return extsr;
917
918 /* If using copper mode, ensure 1000BaseX auto-negotiation is enabled */
919 mode = extsr & MII_M1111_HWCFG_MODE_MASK;
920 if (mode == MII_M1111_HWCFG_MODE_COPPER_1000X_NOAN) {
921 err = phy_modify(phydev, MII_M1111_PHY_EXT_SR,
922 MII_M1111_HWCFG_MODE_MASK |
923 MII_M1111_HWCFG_SERIAL_AN_BYPASS,
924 MII_M1111_HWCFG_MODE_COPPER_1000X_AN |
925 MII_M1111_HWCFG_SERIAL_AN_BYPASS);
926 if (err < 0)
927 return err;
928 }
929 return 0;
930}
931
932static int m88e1111_config_init(struct phy_device *phydev)
933{
934 int err;
935
936 if (phy_interface_is_rgmii(phydev)) {
937 err = m88e1111_config_init_rgmii(phydev);
938 if (err < 0)
939 return err;
940 }
941
942 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
943 err = m88e1111_config_init_sgmii(phydev);
944 if (err < 0)
945 return err;
946 }
947
948 if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
949 err = m88e1111_config_init_rtbi(phydev);
950 if (err < 0)
951 return err;
952 }
953
954 if (phydev->interface == PHY_INTERFACE_MODE_1000BASEX) {
955 err = m88e1111_config_init_1000basex(phydev);
956 if (err < 0)
957 return err;
958 }
959
960 err = marvell_of_reg_init(phydev);
961 if (err < 0)
962 return err;
963
964 err = genphy_soft_reset(phydev);
965 if (err < 0)
966 return err;
967
968 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
969 /* If the HWCFG_MODE was changed from another mode (such as
970 * 1000BaseX) to SGMII, the state of the support bits may have
971 * also changed now that the PHY has been reset.
972 * Update the PHY abilities accordingly.
973 */
974 err = genphy_read_abilities(phydev);
975 linkmode_or(phydev->advertising, phydev->advertising,
976 phydev->supported);
977 }
978 return err;
979}
980
981static int m88e1111_get_downshift(struct phy_device *phydev, u8 *data)
982{
983 int val, cnt, enable;
984
985 val = phy_read(phydev, MII_M1111_PHY_EXT_CR);
986 if (val < 0)
987 return val;
988
989 enable = FIELD_GET(MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN, val);
990 cnt = FIELD_GET(MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK, val) + 1;
991
992 *data = enable ? cnt : DOWNSHIFT_DEV_DISABLE;
993
994 return 0;
995}
996
997static int m88e1111_set_downshift(struct phy_device *phydev, u8 cnt)
998{
999 int val, err;
1000
1001 if (cnt > MII_M1111_PHY_EXT_CR_DOWNSHIFT_MAX)
1002 return -E2BIG;
1003
1004 if (!cnt) {
1005 err = phy_clear_bits(phydev, MII_M1111_PHY_EXT_CR,
1006 MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN);
1007 } else {
1008 val = MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN;
1009 val |= FIELD_PREP(MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK, cnt - 1);
1010
1011 err = phy_modify(phydev, MII_M1111_PHY_EXT_CR,
1012 MII_M1111_PHY_EXT_CR_DOWNSHIFT_EN |
1013 MII_M1111_PHY_EXT_CR_DOWNSHIFT_MASK,
1014 val);
1015 }
1016
1017 if (err < 0)
1018 return err;
1019
1020 return genphy_soft_reset(phydev);
1021}
1022
1023static int m88e1111_get_tunable(struct phy_device *phydev,
1024 struct ethtool_tunable *tuna, void *data)
1025{
1026 switch (tuna->id) {
1027 case ETHTOOL_PHY_DOWNSHIFT:
1028 return m88e1111_get_downshift(phydev, data);
1029 default:
1030 return -EOPNOTSUPP;
1031 }
1032}
1033
1034static int m88e1111_set_tunable(struct phy_device *phydev,
1035 struct ethtool_tunable *tuna, const void *data)
1036{
1037 switch (tuna->id) {
1038 case ETHTOOL_PHY_DOWNSHIFT:
1039 return m88e1111_set_downshift(phydev, *(const u8 *)data);
1040 default:
1041 return -EOPNOTSUPP;
1042 }
1043}
1044
1045static int m88e1011_get_downshift(struct phy_device *phydev, u8 *data)
1046{
1047 int val, cnt, enable;
1048
1049 val = phy_read(phydev, MII_M1011_PHY_SCR);
1050 if (val < 0)
1051 return val;
1052
1053 enable = FIELD_GET(MII_M1011_PHY_SCR_DOWNSHIFT_EN, val);
1054 cnt = FIELD_GET(MII_M1011_PHY_SCR_DOWNSHIFT_MASK, val) + 1;
1055
1056 *data = enable ? cnt : DOWNSHIFT_DEV_DISABLE;
1057
1058 return 0;
1059}
1060
1061static int m88e1011_set_downshift(struct phy_device *phydev, u8 cnt)
1062{
1063 int val, err;
1064
1065 if (cnt > MII_M1011_PHY_SCR_DOWNSHIFT_MAX)
1066 return -E2BIG;
1067
1068 if (!cnt) {
1069 err = phy_clear_bits(phydev, MII_M1011_PHY_SCR,
1070 MII_M1011_PHY_SCR_DOWNSHIFT_EN);
1071 } else {
1072 val = MII_M1011_PHY_SCR_DOWNSHIFT_EN;
1073 val |= FIELD_PREP(MII_M1011_PHY_SCR_DOWNSHIFT_MASK, cnt - 1);
1074
1075 err = phy_modify(phydev, MII_M1011_PHY_SCR,
1076 MII_M1011_PHY_SCR_DOWNSHIFT_EN |
1077 MII_M1011_PHY_SCR_DOWNSHIFT_MASK,
1078 val);
1079 }
1080
1081 if (err < 0)
1082 return err;
1083
1084 return genphy_soft_reset(phydev);
1085}
1086
1087static int m88e1011_get_tunable(struct phy_device *phydev,
1088 struct ethtool_tunable *tuna, void *data)
1089{
1090 switch (tuna->id) {
1091 case ETHTOOL_PHY_DOWNSHIFT:
1092 return m88e1011_get_downshift(phydev, data);
1093 default:
1094 return -EOPNOTSUPP;
1095 }
1096}
1097
1098static int m88e1011_set_tunable(struct phy_device *phydev,
1099 struct ethtool_tunable *tuna, const void *data)
1100{
1101 switch (tuna->id) {
1102 case ETHTOOL_PHY_DOWNSHIFT:
1103 return m88e1011_set_downshift(phydev, *(const u8 *)data);
1104 default:
1105 return -EOPNOTSUPP;
1106 }
1107}
1108
1109static int m88e1112_config_init(struct phy_device *phydev)
1110{
1111 int err;
1112
1113 err = m88e1011_set_downshift(phydev, 3);
1114 if (err < 0)
1115 return err;
1116
1117 return m88e1111_config_init(phydev);
1118}
1119
1120static int m88e1111gbe_config_init(struct phy_device *phydev)
1121{
1122 int err;
1123
1124 err = m88e1111_set_downshift(phydev, 3);
1125 if (err < 0)
1126 return err;
1127
1128 return m88e1111_config_init(phydev);
1129}
1130
1131static int marvell_1011gbe_config_init(struct phy_device *phydev)
1132{
1133 int err;
1134
1135 err = m88e1011_set_downshift(phydev, 3);
1136 if (err < 0)
1137 return err;
1138
1139 return marvell_config_init(phydev);
1140}
1141static int m88e1116r_config_init(struct phy_device *phydev)
1142{
1143 int err;
1144
1145 err = genphy_soft_reset(phydev);
1146 if (err < 0)
1147 return err;
1148
1149 msleep(500);
1150
1151 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1152 if (err < 0)
1153 return err;
1154
1155 err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
1156 if (err < 0)
1157 return err;
1158
1159 err = m88e1011_set_downshift(phydev, 8);
1160 if (err < 0)
1161 return err;
1162
1163 if (phy_interface_is_rgmii(phydev)) {
1164 err = m88e1121_config_aneg_rgmii_delays(phydev);
1165 if (err < 0)
1166 return err;
1167 }
1168
1169 err = genphy_soft_reset(phydev);
1170 if (err < 0)
1171 return err;
1172
1173 return marvell_config_init(phydev);
1174}
1175
1176static int m88e1318_config_init(struct phy_device *phydev)
1177{
1178 if (phy_interrupt_is_valid(phydev)) {
1179 int err = phy_modify_paged(
1180 phydev, MII_MARVELL_LED_PAGE,
1181 MII_88E1318S_PHY_LED_TCR,
1182 MII_88E1318S_PHY_LED_TCR_FORCE_INT,
1183 MII_88E1318S_PHY_LED_TCR_INTn_ENABLE |
1184 MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW);
1185 if (err < 0)
1186 return err;
1187 }
1188
1189 return marvell_config_init(phydev);
1190}
1191
1192static int m88e1510_config_init(struct phy_device *phydev)
1193{
1194 static const struct {
1195 u16 reg17, reg16;
1196 } errata_vals[] = {
1197 { 0x214b, 0x2144 },
1198 { 0x0c28, 0x2146 },
1199 { 0xb233, 0x214d },
1200 { 0xcc0c, 0x2159 },
1201 };
1202 int err;
1203 int i;
1204
1205 /* As per Marvell Release Notes - Alaska 88E1510/88E1518/88E1512/
1206 * 88E1514 Rev A0, Errata Section 5.1:
1207 * If EEE is intended to be used, the following register writes
1208 * must be done once after every hardware reset.
1209 */
1210 err = marvell_set_page(phydev, 0x00FF);
1211 if (err < 0)
1212 return err;
1213
1214 for (i = 0; i < ARRAY_SIZE(errata_vals); ++i) {
1215 err = phy_write(phydev, 17, errata_vals[i].reg17);
1216 if (err)
1217 return err;
1218 err = phy_write(phydev, 16, errata_vals[i].reg16);
1219 if (err)
1220 return err;
1221 }
1222
1223 err = marvell_set_page(phydev, 0x00FB);
1224 if (err < 0)
1225 return err;
1226 err = phy_write(phydev, 07, 0xC00D);
1227 if (err < 0)
1228 return err;
1229 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1230 if (err < 0)
1231 return err;
1232
1233 /* SGMII-to-Copper mode initialization */
1234 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
1235 /* Select page 18 */
1236 err = marvell_set_page(phydev, 18);
1237 if (err < 0)
1238 return err;
1239
1240 /* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
1241 err = phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1,
1242 MII_88E1510_GEN_CTRL_REG_1_MODE_MASK,
1243 MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII);
1244 if (err < 0)
1245 return err;
1246
1247 /* PHY reset is necessary after changing MODE[2:0] */
1248 err = phy_set_bits(phydev, MII_88E1510_GEN_CTRL_REG_1,
1249 MII_88E1510_GEN_CTRL_REG_1_RESET);
1250 if (err < 0)
1251 return err;
1252
1253 /* Reset page selection */
1254 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1255 if (err < 0)
1256 return err;
1257 }
1258 err = m88e1011_set_downshift(phydev, 3);
1259 if (err < 0)
1260 return err;
1261
1262 return m88e1318_config_init(phydev);
1263}
1264
1265static int m88e1118_config_aneg(struct phy_device *phydev)
1266{
1267 int err;
1268
1269 err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
1270 if (err < 0)
1271 return err;
1272
1273 err = genphy_config_aneg(phydev);
1274 if (err < 0)
1275 return err;
1276
1277 return genphy_soft_reset(phydev);
1278}
1279
1280static int m88e1118_config_init(struct phy_device *phydev)
1281{
1282 u16 leds;
1283 int err;
1284
1285 /* Enable 1000 Mbit */
1286 err = phy_write_paged(phydev, MII_MARVELL_MSCR_PAGE,
1287 MII_88E1121_PHY_MSCR_REG, 0x1070);
1288 if (err < 0)
1289 return err;
1290
1291 if (phy_interface_is_rgmii(phydev)) {
1292 err = m88e1121_config_aneg_rgmii_delays(phydev);
1293 if (err < 0)
1294 return err;
1295 }
1296
1297 /* Adjust LED Control */
1298 if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS)
1299 leds = 0x1100;
1300 else
1301 leds = 0x021e;
1302
1303 err = phy_write_paged(phydev, MII_MARVELL_LED_PAGE, 0x10, leds);
1304 if (err < 0)
1305 return err;
1306
1307 err = marvell_of_reg_init(phydev);
1308 if (err < 0)
1309 return err;
1310
1311 /* Reset page register */
1312 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1313 if (err < 0)
1314 return err;
1315
1316 return genphy_soft_reset(phydev);
1317}
1318
1319static int m88e1149_config_init(struct phy_device *phydev)
1320{
1321 int err;
1322
1323 /* Change address */
1324 err = marvell_set_page(phydev, MII_MARVELL_MSCR_PAGE);
1325 if (err < 0)
1326 return err;
1327
1328 /* Enable 1000 Mbit */
1329 err = phy_write(phydev, 0x15, 0x1048);
1330 if (err < 0)
1331 return err;
1332
1333 err = marvell_of_reg_init(phydev);
1334 if (err < 0)
1335 return err;
1336
1337 /* Reset address */
1338 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1339 if (err < 0)
1340 return err;
1341
1342 return genphy_soft_reset(phydev);
1343}
1344
1345static int m88e1145_config_init_rgmii(struct phy_device *phydev)
1346{
1347 int err;
1348
1349 err = m88e1111_config_init_rgmii_delays(phydev);
1350 if (err < 0)
1351 return err;
1352
1353 if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
1354 err = phy_write(phydev, 0x1d, 0x0012);
1355 if (err < 0)
1356 return err;
1357
1358 err = phy_modify(phydev, 0x1e, 0x0fc0,
1359 2 << 9 | /* 36 ohm */
1360 2 << 6); /* 39 ohm */
1361 if (err < 0)
1362 return err;
1363
1364 err = phy_write(phydev, 0x1d, 0x3);
1365 if (err < 0)
1366 return err;
1367
1368 err = phy_write(phydev, 0x1e, 0x8000);
1369 }
1370 return err;
1371}
1372
1373static int m88e1145_config_init_sgmii(struct phy_device *phydev)
1374{
1375 return m88e1111_config_init_hwcfg_mode(
1376 phydev, MII_M1111_HWCFG_MODE_SGMII_NO_CLK,
1377 MII_M1111_HWCFG_FIBER_COPPER_AUTO);
1378}
1379
1380static int m88e1145_config_init(struct phy_device *phydev)
1381{
1382 int err;
1383
1384 /* Take care of errata E0 & E1 */
1385 err = phy_write(phydev, 0x1d, 0x001b);
1386 if (err < 0)
1387 return err;
1388
1389 err = phy_write(phydev, 0x1e, 0x418f);
1390 if (err < 0)
1391 return err;
1392
1393 err = phy_write(phydev, 0x1d, 0x0016);
1394 if (err < 0)
1395 return err;
1396
1397 err = phy_write(phydev, 0x1e, 0xa2da);
1398 if (err < 0)
1399 return err;
1400
1401 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
1402 err = m88e1145_config_init_rgmii(phydev);
1403 if (err < 0)
1404 return err;
1405 }
1406
1407 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
1408 err = m88e1145_config_init_sgmii(phydev);
1409 if (err < 0)
1410 return err;
1411 }
1412 err = m88e1111_set_downshift(phydev, 3);
1413 if (err < 0)
1414 return err;
1415
1416 err = marvell_of_reg_init(phydev);
1417 if (err < 0)
1418 return err;
1419
1420 return 0;
1421}
1422
1423static int m88e1540_get_fld(struct phy_device *phydev, u8 *msecs)
1424{
1425 int val;
1426
1427 val = phy_read(phydev, MII_88E1540_COPPER_CTRL3);
1428 if (val < 0)
1429 return val;
1430
1431 if (!(val & MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN)) {
1432 *msecs = ETHTOOL_PHY_FAST_LINK_DOWN_OFF;
1433 return 0;
1434 }
1435
1436 val = FIELD_GET(MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK, val);
1437
1438 switch (val) {
1439 case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_00MS:
1440 *msecs = 0;
1441 break;
1442 case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_10MS:
1443 *msecs = 10;
1444 break;
1445 case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_20MS:
1446 *msecs = 20;
1447 break;
1448 case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_40MS:
1449 *msecs = 40;
1450 break;
1451 default:
1452 return -EINVAL;
1453 }
1454
1455 return 0;
1456}
1457
1458static int m88e1540_set_fld(struct phy_device *phydev, const u8 *msecs)
1459{
1460 struct ethtool_eee eee;
1461 int val, ret;
1462
1463 if (*msecs == ETHTOOL_PHY_FAST_LINK_DOWN_OFF)
1464 return phy_clear_bits(phydev, MII_88E1540_COPPER_CTRL3,
1465 MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN);
1466
1467 /* According to the Marvell data sheet EEE must be disabled for
1468 * Fast Link Down detection to work properly
1469 */
1470 ret = phy_ethtool_get_eee(phydev, &eee);
1471 if (!ret && eee.eee_enabled) {
1472 phydev_warn(phydev, "Fast Link Down detection requires EEE to be disabled!\n");
1473 return -EBUSY;
1474 }
1475
1476 if (*msecs <= 5)
1477 val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_00MS;
1478 else if (*msecs <= 15)
1479 val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_10MS;
1480 else if (*msecs <= 30)
1481 val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_20MS;
1482 else
1483 val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_40MS;
1484
1485 val = FIELD_PREP(MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK, val);
1486
1487 ret = phy_modify(phydev, MII_88E1540_COPPER_CTRL3,
1488 MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK, val);
1489 if (ret)
1490 return ret;
1491
1492 return phy_set_bits(phydev, MII_88E1540_COPPER_CTRL3,
1493 MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN);
1494}
1495
1496static int m88e1540_get_tunable(struct phy_device *phydev,
1497 struct ethtool_tunable *tuna, void *data)
1498{
1499 switch (tuna->id) {
1500 case ETHTOOL_PHY_FAST_LINK_DOWN:
1501 return m88e1540_get_fld(phydev, data);
1502 case ETHTOOL_PHY_DOWNSHIFT:
1503 return m88e1011_get_downshift(phydev, data);
1504 default:
1505 return -EOPNOTSUPP;
1506 }
1507}
1508
1509static int m88e1540_set_tunable(struct phy_device *phydev,
1510 struct ethtool_tunable *tuna, const void *data)
1511{
1512 switch (tuna->id) {
1513 case ETHTOOL_PHY_FAST_LINK_DOWN:
1514 return m88e1540_set_fld(phydev, data);
1515 case ETHTOOL_PHY_DOWNSHIFT:
1516 return m88e1011_set_downshift(phydev, *(const u8 *)data);
1517 default:
1518 return -EOPNOTSUPP;
1519 }
1520}
1521
1522/* The VOD can be out of specification on link up. Poke an
1523 * undocumented register, in an undocumented page, with a magic value
1524 * to fix this.
1525 */
1526static int m88e6390_errata(struct phy_device *phydev)
1527{
1528 int err;
1529
1530 err = phy_write(phydev, MII_BMCR,
1531 BMCR_ANENABLE | BMCR_SPEED1000 | BMCR_FULLDPLX);
1532 if (err)
1533 return err;
1534
1535 usleep_range(300, 400);
1536
1537 err = phy_write_paged(phydev, 0xf8, 0x08, 0x36);
1538 if (err)
1539 return err;
1540
1541 return genphy_soft_reset(phydev);
1542}
1543
1544static int m88e6390_config_aneg(struct phy_device *phydev)
1545{
1546 int err;
1547
1548 err = m88e6390_errata(phydev);
1549 if (err)
1550 return err;
1551
1552 return m88e1510_config_aneg(phydev);
1553}
1554
1555/**
1556 * fiber_lpa_mod_linkmode_lpa_t
1557 * @advertising: the linkmode advertisement settings
1558 * @lpa: value of the MII_LPA register for fiber link
1559 *
1560 * A small helper function that translates MII_LPA bits to linkmode LP
1561 * advertisement settings. Other bits in advertising are left
1562 * unchanged.
1563 */
1564static void fiber_lpa_mod_linkmode_lpa_t(unsigned long *advertising, u32 lpa)
1565{
1566 linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
1567 advertising, lpa & LPA_1000XHALF);
1568
1569 linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
1570 advertising, lpa & LPA_1000XFULL);
1571}
1572
1573static int marvell_read_status_page_an(struct phy_device *phydev,
1574 int fiber, int status)
1575{
1576 int lpa;
1577 int err;
1578
1579 if (!(status & MII_M1011_PHY_STATUS_RESOLVED)) {
1580 phydev->link = 0;
1581 return 0;
1582 }
1583
1584 if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
1585 phydev->duplex = DUPLEX_FULL;
1586 else
1587 phydev->duplex = DUPLEX_HALF;
1588
1589 switch (status & MII_M1011_PHY_STATUS_SPD_MASK) {
1590 case MII_M1011_PHY_STATUS_1000:
1591 phydev->speed = SPEED_1000;
1592 break;
1593
1594 case MII_M1011_PHY_STATUS_100:
1595 phydev->speed = SPEED_100;
1596 break;
1597
1598 default:
1599 phydev->speed = SPEED_10;
1600 break;
1601 }
1602
1603 if (!fiber) {
1604 err = genphy_read_lpa(phydev);
1605 if (err < 0)
1606 return err;
1607
1608 phy_resolve_aneg_pause(phydev);
1609 } else {
1610 lpa = phy_read(phydev, MII_LPA);
1611 if (lpa < 0)
1612 return lpa;
1613
1614 /* The fiber link is only 1000M capable */
1615 fiber_lpa_mod_linkmode_lpa_t(phydev->lp_advertising, lpa);
1616
1617 if (phydev->duplex == DUPLEX_FULL) {
1618 if (!(lpa & LPA_PAUSE_FIBER)) {
1619 phydev->pause = 0;
1620 phydev->asym_pause = 0;
1621 } else if ((lpa & LPA_PAUSE_ASYM_FIBER)) {
1622 phydev->pause = 1;
1623 phydev->asym_pause = 1;
1624 } else {
1625 phydev->pause = 1;
1626 phydev->asym_pause = 0;
1627 }
1628 }
1629 }
1630
1631 return 0;
1632}
1633
1634/* marvell_read_status_page
1635 *
1636 * Description:
1637 * Check the link, then figure out the current state
1638 * by comparing what we advertise with what the link partner
1639 * advertises. Start by checking the gigabit possibilities,
1640 * then move on to 10/100.
1641 */
1642static int marvell_read_status_page(struct phy_device *phydev, int page)
1643{
1644 int status;
1645 int fiber;
1646 int err;
1647
1648 status = phy_read(phydev, MII_M1011_PHY_STATUS);
1649 if (status < 0)
1650 return status;
1651
1652 /* Use the generic register for copper link status,
1653 * and the PHY status register for fiber link status.
1654 */
1655 if (page == MII_MARVELL_FIBER_PAGE) {
1656 phydev->link = !!(status & MII_M1011_PHY_STATUS_LINK);
1657 } else {
1658 err = genphy_update_link(phydev);
1659 if (err)
1660 return err;
1661 }
1662
1663 if (page == MII_MARVELL_FIBER_PAGE)
1664 fiber = 1;
1665 else
1666 fiber = 0;
1667
1668 linkmode_zero(phydev->lp_advertising);
1669 phydev->pause = 0;
1670 phydev->asym_pause = 0;
1671 phydev->speed = SPEED_UNKNOWN;
1672 phydev->duplex = DUPLEX_UNKNOWN;
1673 phydev->port = fiber ? PORT_FIBRE : PORT_TP;
1674
1675 if (phydev->autoneg == AUTONEG_ENABLE)
1676 err = marvell_read_status_page_an(phydev, fiber, status);
1677 else
1678 err = genphy_read_status_fixed(phydev);
1679
1680 return err;
1681}
1682
1683/* marvell_read_status
1684 *
1685 * Some Marvell's phys have two modes: fiber and copper.
1686 * Both need status checked.
1687 * Description:
1688 * First, check the fiber link and status.
1689 * If the fiber link is down, check the copper link and status which
1690 * will be the default value if both link are down.
1691 */
1692static int marvell_read_status(struct phy_device *phydev)
1693{
1694 int err;
1695
1696 /* Check the fiber mode first */
1697 if (linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
1698 phydev->supported) &&
1699 phydev->interface != PHY_INTERFACE_MODE_SGMII) {
1700 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1701 if (err < 0)
1702 goto error;
1703
1704 err = marvell_read_status_page(phydev, MII_MARVELL_FIBER_PAGE);
1705 if (err < 0)
1706 goto error;
1707
1708 /* If the fiber link is up, it is the selected and
1709 * used link. In this case, we need to stay in the
1710 * fiber page. Please to be careful about that, avoid
1711 * to restore Copper page in other functions which
1712 * could break the behaviour for some fiber phy like
1713 * 88E1512.
1714 */
1715 if (phydev->link)
1716 return 0;
1717
1718 /* If fiber link is down, check and save copper mode state */
1719 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1720 if (err < 0)
1721 goto error;
1722 }
1723
1724 return marvell_read_status_page(phydev, MII_MARVELL_COPPER_PAGE);
1725
1726error:
1727 marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1728 return err;
1729}
1730
1731/* marvell_suspend
1732 *
1733 * Some Marvell's phys have two modes: fiber and copper.
1734 * Both need to be suspended
1735 */
1736static int marvell_suspend(struct phy_device *phydev)
1737{
1738 int err;
1739
1740 /* Suspend the fiber mode first */
1741 if (linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
1742 phydev->supported)) {
1743 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1744 if (err < 0)
1745 goto error;
1746
1747 /* With the page set, use the generic suspend */
1748 err = genphy_suspend(phydev);
1749 if (err < 0)
1750 goto error;
1751
1752 /* Then, the copper link */
1753 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1754 if (err < 0)
1755 goto error;
1756 }
1757
1758 /* With the page set, use the generic suspend */
1759 return genphy_suspend(phydev);
1760
1761error:
1762 marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1763 return err;
1764}
1765
1766/* marvell_resume
1767 *
1768 * Some Marvell's phys have two modes: fiber and copper.
1769 * Both need to be resumed
1770 */
1771static int marvell_resume(struct phy_device *phydev)
1772{
1773 int err;
1774
1775 /* Resume the fiber mode first */
1776 if (linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
1777 phydev->supported)) {
1778 err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1779 if (err < 0)
1780 goto error;
1781
1782 /* With the page set, use the generic resume */
1783 err = genphy_resume(phydev);
1784 if (err < 0)
1785 goto error;
1786
1787 /* Then, the copper link */
1788 err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1789 if (err < 0)
1790 goto error;
1791 }
1792
1793 /* With the page set, use the generic resume */
1794 return genphy_resume(phydev);
1795
1796error:
1797 marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1798 return err;
1799}
1800
1801static int marvell_aneg_done(struct phy_device *phydev)
1802{
1803 int retval = phy_read(phydev, MII_M1011_PHY_STATUS);
1804
1805 return (retval < 0) ? retval : (retval & MII_M1011_PHY_STATUS_RESOLVED);
1806}
1807
1808static void m88e1318_get_wol(struct phy_device *phydev,
1809 struct ethtool_wolinfo *wol)
1810{
1811 int ret;
1812
1813 wol->supported = WAKE_MAGIC | WAKE_PHY;
1814 wol->wolopts = 0;
1815
1816 ret = phy_read_paged(phydev, MII_MARVELL_WOL_PAGE,
1817 MII_88E1318S_PHY_WOL_CTRL);
1818 if (ret < 0)
1819 return;
1820
1821 if (ret & MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE)
1822 wol->wolopts |= WAKE_MAGIC;
1823
1824 if (ret & MII_88E1318S_PHY_WOL_CTRL_LINK_UP_ENABLE)
1825 wol->wolopts |= WAKE_PHY;
1826}
1827
1828static int m88e1318_set_wol(struct phy_device *phydev,
1829 struct ethtool_wolinfo *wol)
1830{
1831 int err = 0, oldpage;
1832
1833 oldpage = phy_save_page(phydev);
1834 if (oldpage < 0)
1835 goto error;
1836
1837 if (wol->wolopts & (WAKE_MAGIC | WAKE_PHY)) {
1838 /* Explicitly switch to page 0x00, just to be sure */
1839 err = marvell_write_page(phydev, MII_MARVELL_COPPER_PAGE);
1840 if (err < 0)
1841 goto error;
1842
1843 /* If WOL event happened once, the LED[2] interrupt pin
1844 * will not be cleared unless we reading the interrupt status
1845 * register. If interrupts are in use, the normal interrupt
1846 * handling will clear the WOL event. Clear the WOL event
1847 * before enabling it if !phy_interrupt_is_valid()
1848 */
1849 if (!phy_interrupt_is_valid(phydev))
1850 __phy_read(phydev, MII_M1011_IEVENT);
1851
1852 /* Enable the WOL interrupt */
1853 err = __phy_set_bits(phydev, MII_88E1318S_PHY_CSIER,
1854 MII_88E1318S_PHY_CSIER_WOL_EIE);
1855 if (err < 0)
1856 goto error;
1857
1858 err = marvell_write_page(phydev, MII_MARVELL_LED_PAGE);
1859 if (err < 0)
1860 goto error;
1861
1862 /* Setup LED[2] as interrupt pin (active low) */
1863 err = __phy_modify(phydev, MII_88E1318S_PHY_LED_TCR,
1864 MII_88E1318S_PHY_LED_TCR_FORCE_INT,
1865 MII_88E1318S_PHY_LED_TCR_INTn_ENABLE |
1866 MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW);
1867 if (err < 0)
1868 goto error;
1869 }
1870
1871 if (wol->wolopts & WAKE_MAGIC) {
1872 err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE);
1873 if (err < 0)
1874 goto error;
1875
1876 /* Store the device address for the magic packet */
1877 err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD2,
1878 ((phydev->attached_dev->dev_addr[5] << 8) |
1879 phydev->attached_dev->dev_addr[4]));
1880 if (err < 0)
1881 goto error;
1882 err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD1,
1883 ((phydev->attached_dev->dev_addr[3] << 8) |
1884 phydev->attached_dev->dev_addr[2]));
1885 if (err < 0)
1886 goto error;
1887 err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD0,
1888 ((phydev->attached_dev->dev_addr[1] << 8) |
1889 phydev->attached_dev->dev_addr[0]));
1890 if (err < 0)
1891 goto error;
1892
1893 /* Clear WOL status and enable magic packet matching */
1894 err = __phy_set_bits(phydev, MII_88E1318S_PHY_WOL_CTRL,
1895 MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS |
1896 MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE);
1897 if (err < 0)
1898 goto error;
1899 } else {
1900 err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE);
1901 if (err < 0)
1902 goto error;
1903
1904 /* Clear WOL status and disable magic packet matching */
1905 err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL,
1906 MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE,
1907 MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS);
1908 if (err < 0)
1909 goto error;
1910 }
1911
1912 if (wol->wolopts & WAKE_PHY) {
1913 err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE);
1914 if (err < 0)
1915 goto error;
1916
1917 /* Clear WOL status and enable link up event */
1918 err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL, 0,
1919 MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS |
1920 MII_88E1318S_PHY_WOL_CTRL_LINK_UP_ENABLE);
1921 if (err < 0)
1922 goto error;
1923 } else {
1924 err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE);
1925 if (err < 0)
1926 goto error;
1927
1928 /* Clear WOL status and disable link up event */
1929 err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL,
1930 MII_88E1318S_PHY_WOL_CTRL_LINK_UP_ENABLE,
1931 MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS);
1932 if (err < 0)
1933 goto error;
1934 }
1935
1936error:
1937 return phy_restore_page(phydev, oldpage, err);
1938}
1939
1940static int marvell_get_sset_count(struct phy_device *phydev)
1941{
1942 if (linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
1943 phydev->supported))
1944 return ARRAY_SIZE(marvell_hw_stats);
1945 else
1946 return ARRAY_SIZE(marvell_hw_stats) - NB_FIBER_STATS;
1947}
1948
1949static void marvell_get_strings(struct phy_device *phydev, u8 *data)
1950{
1951 int count = marvell_get_sset_count(phydev);
1952 int i;
1953
1954 for (i = 0; i < count; i++) {
1955 strscpy(data + i * ETH_GSTRING_LEN,
1956 marvell_hw_stats[i].string, ETH_GSTRING_LEN);
1957 }
1958}
1959
1960static u64 marvell_get_stat(struct phy_device *phydev, int i)
1961{
1962 struct marvell_hw_stat stat = marvell_hw_stats[i];
1963 struct marvell_priv *priv = phydev->priv;
1964 int val;
1965 u64 ret;
1966
1967 val = phy_read_paged(phydev, stat.page, stat.reg);
1968 if (val < 0) {
1969 ret = U64_MAX;
1970 } else {
1971 val = val & ((1 << stat.bits) - 1);
1972 priv->stats[i] += val;
1973 ret = priv->stats[i];
1974 }
1975
1976 return ret;
1977}
1978
1979static void marvell_get_stats(struct phy_device *phydev,
1980 struct ethtool_stats *stats, u64 *data)
1981{
1982 int count = marvell_get_sset_count(phydev);
1983 int i;
1984
1985 for (i = 0; i < count; i++)
1986 data[i] = marvell_get_stat(phydev, i);
1987}
1988
1989static int m88e1510_loopback(struct phy_device *phydev, bool enable)
1990{
1991 int err;
1992
1993 if (enable) {
1994 u16 bmcr_ctl, mscr2_ctl = 0;
1995
1996 bmcr_ctl = mii_bmcr_encode_fixed(phydev->speed, phydev->duplex);
1997
1998 err = phy_write(phydev, MII_BMCR, bmcr_ctl);
1999 if (err < 0)
2000 return err;
2001
2002 if (phydev->speed == SPEED_1000)
2003 mscr2_ctl = BMCR_SPEED1000;
2004 else if (phydev->speed == SPEED_100)
2005 mscr2_ctl = BMCR_SPEED100;
2006
2007 err = phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE,
2008 MII_88E1510_MSCR_2, BMCR_SPEED1000 |
2009 BMCR_SPEED100, mscr2_ctl);
2010 if (err < 0)
2011 return err;
2012
2013 /* Need soft reset to have speed configuration takes effect */
2014 err = genphy_soft_reset(phydev);
2015 if (err < 0)
2016 return err;
2017
2018 err = phy_modify(phydev, MII_BMCR, BMCR_LOOPBACK,
2019 BMCR_LOOPBACK);
2020
2021 if (!err) {
2022 /* It takes some time for PHY device to switch
2023 * into/out-of loopback mode.
2024 */
2025 msleep(1000);
2026 }
2027 return err;
2028 } else {
2029 err = phy_modify(phydev, MII_BMCR, BMCR_LOOPBACK, 0);
2030 if (err < 0)
2031 return err;
2032
2033 return phy_config_aneg(phydev);
2034 }
2035}
2036
2037static int marvell_vct5_wait_complete(struct phy_device *phydev)
2038{
2039 int i;
2040 int val;
2041
2042 for (i = 0; i < 32; i++) {
2043 val = __phy_read(phydev, MII_VCT5_CTRL);
2044 if (val < 0)
2045 return val;
2046
2047 if (val & MII_VCT5_CTRL_COMPLETE)
2048 return 0;
2049 }
2050
2051 phydev_err(phydev, "Timeout while waiting for cable test to finish\n");
2052 return -ETIMEDOUT;
2053}
2054
2055static int marvell_vct5_amplitude(struct phy_device *phydev, int pair)
2056{
2057 int amplitude;
2058 int val;
2059 int reg;
2060
2061 reg = MII_VCT5_TX_RX_MDI0_COUPLING + pair;
2062 val = __phy_read(phydev, reg);
2063
2064 if (val < 0)
2065 return 0;
2066
2067 amplitude = (val & MII_VCT5_TX_RX_AMPLITUDE_MASK) >>
2068 MII_VCT5_TX_RX_AMPLITUDE_SHIFT;
2069
2070 if (!(val & MII_VCT5_TX_RX_COUPLING_POSITIVE_REFLECTION))
2071 amplitude = -amplitude;
2072
2073 return 1000 * amplitude / 128;
2074}
2075
2076static u32 marvell_vct5_distance2cm(int distance)
2077{
2078 return distance * 805 / 10;
2079}
2080
2081static u32 marvell_vct5_cm2distance(int cm)
2082{
2083 return cm * 10 / 805;
2084}
2085
2086static int marvell_vct5_amplitude_distance(struct phy_device *phydev,
2087 int distance, int pair)
2088{
2089 u16 reg;
2090 int err;
2091 int mV;
2092 int i;
2093
2094 err = __phy_write(phydev, MII_VCT5_SAMPLE_POINT_DISTANCE,
2095 distance);
2096 if (err)
2097 return err;
2098
2099 reg = MII_VCT5_CTRL_ENABLE |
2100 MII_VCT5_CTRL_TX_SAME_CHANNEL |
2101 MII_VCT5_CTRL_SAMPLES_DEFAULT |
2102 MII_VCT5_CTRL_SAMPLE_POINT |
2103 MII_VCT5_CTRL_PEEK_HYST_DEFAULT;
2104 err = __phy_write(phydev, MII_VCT5_CTRL, reg);
2105 if (err)
2106 return err;
2107
2108 err = marvell_vct5_wait_complete(phydev);
2109 if (err)
2110 return err;
2111
2112 for (i = 0; i < 4; i++) {
2113 if (pair != PHY_PAIR_ALL && i != pair)
2114 continue;
2115
2116 mV = marvell_vct5_amplitude(phydev, i);
2117 ethnl_cable_test_amplitude(phydev, i, mV);
2118 }
2119
2120 return 0;
2121}
2122
2123static int marvell_vct5_amplitude_graph(struct phy_device *phydev)
2124{
2125 struct marvell_priv *priv = phydev->priv;
2126 int distance;
2127 u16 width;
2128 int page;
2129 int err;
2130 u16 reg;
2131
2132 if (priv->first <= TDR_SHORT_CABLE_LENGTH)
2133 width = MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_32nS;
2134 else
2135 width = MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_128nS;
2136
2137 reg = MII_VCT5_TX_PULSE_CTRL_GT_140m_46_86mV |
2138 MII_VCT5_TX_PULSE_CTRL_DONT_WAIT_LINK_DOWN |
2139 MII_VCT5_TX_PULSE_CTRL_MAX_AMP | width;
2140
2141 err = phy_write_paged(phydev, MII_MARVELL_VCT5_PAGE,
2142 MII_VCT5_TX_PULSE_CTRL, reg);
2143 if (err)
2144 return err;
2145
2146 /* Reading the TDR data is very MDIO heavy. We need to optimize
2147 * access to keep the time to a minimum. So lock the bus once,
2148 * and don't release it until complete. We can then avoid having
2149 * to change the page for every access, greatly speeding things
2150 * up.
2151 */
2152 page = phy_select_page(phydev, MII_MARVELL_VCT5_PAGE);
2153 if (page < 0)
2154 goto restore_page;
2155
2156 for (distance = priv->first;
2157 distance <= priv->last;
2158 distance += priv->step) {
2159 err = marvell_vct5_amplitude_distance(phydev, distance,
2160 priv->pair);
2161 if (err)
2162 goto restore_page;
2163
2164 if (distance > TDR_SHORT_CABLE_LENGTH &&
2165 width == MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_32nS) {
2166 width = MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_128nS;
2167 reg = MII_VCT5_TX_PULSE_CTRL_GT_140m_46_86mV |
2168 MII_VCT5_TX_PULSE_CTRL_DONT_WAIT_LINK_DOWN |
2169 MII_VCT5_TX_PULSE_CTRL_MAX_AMP | width;
2170 err = __phy_write(phydev, MII_VCT5_TX_PULSE_CTRL, reg);
2171 if (err)
2172 goto restore_page;
2173 }
2174 }
2175
2176restore_page:
2177 return phy_restore_page(phydev, page, err);
2178}
2179
2180static int marvell_cable_test_start_common(struct phy_device *phydev)
2181{
2182 int bmcr, bmsr, ret;
2183
2184 /* If auto-negotiation is enabled, but not complete, the cable
2185 * test never completes. So disable auto-neg.
2186 */
2187 bmcr = phy_read(phydev, MII_BMCR);
2188 if (bmcr < 0)
2189 return bmcr;
2190
2191 bmsr = phy_read(phydev, MII_BMSR);
2192
2193 if (bmsr < 0)
2194 return bmsr;
2195
2196 if (bmcr & BMCR_ANENABLE) {
2197 ret = phy_clear_bits(phydev, MII_BMCR, BMCR_ANENABLE);
2198 if (ret < 0)
2199 return ret;
2200 ret = genphy_soft_reset(phydev);
2201 if (ret < 0)
2202 return ret;
2203 }
2204
2205 /* If the link is up, allow it some time to go down */
2206 if (bmsr & BMSR_LSTATUS)
2207 msleep(1500);
2208
2209 return 0;
2210}
2211
2212static int marvell_vct7_cable_test_start(struct phy_device *phydev)
2213{
2214 struct marvell_priv *priv = phydev->priv;
2215 int ret;
2216
2217 ret = marvell_cable_test_start_common(phydev);
2218 if (ret)
2219 return ret;
2220
2221 priv->cable_test_tdr = false;
2222
2223 /* Reset the VCT5 API control to defaults, otherwise
2224 * VCT7 does not work correctly.
2225 */
2226 ret = phy_write_paged(phydev, MII_MARVELL_VCT5_PAGE,
2227 MII_VCT5_CTRL,
2228 MII_VCT5_CTRL_TX_SAME_CHANNEL |
2229 MII_VCT5_CTRL_SAMPLES_DEFAULT |
2230 MII_VCT5_CTRL_MODE_MAXIMUM_PEEK |
2231 MII_VCT5_CTRL_PEEK_HYST_DEFAULT);
2232 if (ret)
2233 return ret;
2234
2235 ret = phy_write_paged(phydev, MII_MARVELL_VCT5_PAGE,
2236 MII_VCT5_SAMPLE_POINT_DISTANCE, 0);
2237 if (ret)
2238 return ret;
2239
2240 return phy_write_paged(phydev, MII_MARVELL_VCT7_PAGE,
2241 MII_VCT7_CTRL,
2242 MII_VCT7_CTRL_RUN_NOW |
2243 MII_VCT7_CTRL_CENTIMETERS);
2244}
2245
2246static int marvell_vct5_cable_test_tdr_start(struct phy_device *phydev,
2247 const struct phy_tdr_config *cfg)
2248{
2249 struct marvell_priv *priv = phydev->priv;
2250 int ret;
2251
2252 priv->cable_test_tdr = true;
2253 priv->first = marvell_vct5_cm2distance(cfg->first);
2254 priv->last = marvell_vct5_cm2distance(cfg->last);
2255 priv->step = marvell_vct5_cm2distance(cfg->step);
2256 priv->pair = cfg->pair;
2257
2258 if (priv->first > MII_VCT5_SAMPLE_POINT_DISTANCE_MAX)
2259 return -EINVAL;
2260
2261 if (priv->last > MII_VCT5_SAMPLE_POINT_DISTANCE_MAX)
2262 return -EINVAL;
2263
2264 /* Disable VCT7 */
2265 ret = phy_write_paged(phydev, MII_MARVELL_VCT7_PAGE,
2266 MII_VCT7_CTRL, 0);
2267 if (ret)
2268 return ret;
2269
2270 ret = marvell_cable_test_start_common(phydev);
2271 if (ret)
2272 return ret;
2273
2274 ret = ethnl_cable_test_pulse(phydev, 1000);
2275 if (ret)
2276 return ret;
2277
2278 return ethnl_cable_test_step(phydev,
2279 marvell_vct5_distance2cm(priv->first),
2280 marvell_vct5_distance2cm(priv->last),
2281 marvell_vct5_distance2cm(priv->step));
2282}
2283
2284static int marvell_vct7_distance_to_length(int distance, bool meter)
2285{
2286 if (meter)
2287 distance *= 100;
2288
2289 return distance;
2290}
2291
2292static bool marvell_vct7_distance_valid(int result)
2293{
2294 switch (result) {
2295 case MII_VCT7_RESULTS_OPEN:
2296 case MII_VCT7_RESULTS_SAME_SHORT:
2297 case MII_VCT7_RESULTS_CROSS_SHORT:
2298 return true;
2299 }
2300 return false;
2301}
2302
2303static int marvell_vct7_report_length(struct phy_device *phydev,
2304 int pair, bool meter)
2305{
2306 int length;
2307 int ret;
2308
2309 ret = phy_read_paged(phydev, MII_MARVELL_VCT7_PAGE,
2310 MII_VCT7_PAIR_0_DISTANCE + pair);
2311 if (ret < 0)
2312 return ret;
2313
2314 length = marvell_vct7_distance_to_length(ret, meter);
2315
2316 ethnl_cable_test_fault_length(phydev, pair, length);
2317
2318 return 0;
2319}
2320
2321static int marvell_vct7_cable_test_report_trans(int result)
2322{
2323 switch (result) {
2324 case MII_VCT7_RESULTS_OK:
2325 return ETHTOOL_A_CABLE_RESULT_CODE_OK;
2326 case MII_VCT7_RESULTS_OPEN:
2327 return ETHTOOL_A_CABLE_RESULT_CODE_OPEN;
2328 case MII_VCT7_RESULTS_SAME_SHORT:
2329 return ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT;
2330 case MII_VCT7_RESULTS_CROSS_SHORT:
2331 return ETHTOOL_A_CABLE_RESULT_CODE_CROSS_SHORT;
2332 default:
2333 return ETHTOOL_A_CABLE_RESULT_CODE_UNSPEC;
2334 }
2335}
2336
2337static int marvell_vct7_cable_test_report(struct phy_device *phydev)
2338{
2339 int pair0, pair1, pair2, pair3;
2340 bool meter;
2341 int ret;
2342
2343 ret = phy_read_paged(phydev, MII_MARVELL_VCT7_PAGE,
2344 MII_VCT7_RESULTS);
2345 if (ret < 0)
2346 return ret;
2347
2348 pair3 = (ret & MII_VCT7_RESULTS_PAIR3_MASK) >>
2349 MII_VCT7_RESULTS_PAIR3_SHIFT;
2350 pair2 = (ret & MII_VCT7_RESULTS_PAIR2_MASK) >>
2351 MII_VCT7_RESULTS_PAIR2_SHIFT;
2352 pair1 = (ret & MII_VCT7_RESULTS_PAIR1_MASK) >>
2353 MII_VCT7_RESULTS_PAIR1_SHIFT;
2354 pair0 = (ret & MII_VCT7_RESULTS_PAIR0_MASK) >>
2355 MII_VCT7_RESULTS_PAIR0_SHIFT;
2356
2357 ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_A,
2358 marvell_vct7_cable_test_report_trans(pair0));
2359 ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_B,
2360 marvell_vct7_cable_test_report_trans(pair1));
2361 ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_C,
2362 marvell_vct7_cable_test_report_trans(pair2));
2363 ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_D,
2364 marvell_vct7_cable_test_report_trans(pair3));
2365
2366 ret = phy_read_paged(phydev, MII_MARVELL_VCT7_PAGE, MII_VCT7_CTRL);
2367 if (ret < 0)
2368 return ret;
2369
2370 meter = ret & MII_VCT7_CTRL_METERS;
2371
2372 if (marvell_vct7_distance_valid(pair0))
2373 marvell_vct7_report_length(phydev, 0, meter);
2374 if (marvell_vct7_distance_valid(pair1))
2375 marvell_vct7_report_length(phydev, 1, meter);
2376 if (marvell_vct7_distance_valid(pair2))
2377 marvell_vct7_report_length(phydev, 2, meter);
2378 if (marvell_vct7_distance_valid(pair3))
2379 marvell_vct7_report_length(phydev, 3, meter);
2380
2381 return 0;
2382}
2383
2384static int marvell_vct7_cable_test_get_status(struct phy_device *phydev,
2385 bool *finished)
2386{
2387 struct marvell_priv *priv = phydev->priv;
2388 int ret;
2389
2390 if (priv->cable_test_tdr) {
2391 ret = marvell_vct5_amplitude_graph(phydev);
2392 *finished = true;
2393 return ret;
2394 }
2395
2396 *finished = false;
2397
2398 ret = phy_read_paged(phydev, MII_MARVELL_VCT7_PAGE,
2399 MII_VCT7_CTRL);
2400
2401 if (ret < 0)
2402 return ret;
2403
2404 if (!(ret & MII_VCT7_CTRL_IN_PROGRESS)) {
2405 *finished = true;
2406
2407 return marvell_vct7_cable_test_report(phydev);
2408 }
2409
2410 return 0;
2411}
2412
2413#ifdef CONFIG_HWMON
2414struct marvell_hwmon_ops {
2415 int (*config)(struct phy_device *phydev);
2416 int (*get_temp)(struct phy_device *phydev, long *temp);
2417 int (*get_temp_critical)(struct phy_device *phydev, long *temp);
2418 int (*set_temp_critical)(struct phy_device *phydev, long temp);
2419 int (*get_temp_alarm)(struct phy_device *phydev, long *alarm);
2420};
2421
2422static const struct marvell_hwmon_ops *
2423to_marvell_hwmon_ops(const struct phy_device *phydev)
2424{
2425 return phydev->drv->driver_data;
2426}
2427
2428static int m88e1121_get_temp(struct phy_device *phydev, long *temp)
2429{
2430 int oldpage;
2431 int ret = 0;
2432 int val;
2433
2434 *temp = 0;
2435
2436 oldpage = phy_select_page(phydev, MII_MARVELL_MISC_TEST_PAGE);
2437 if (oldpage < 0)
2438 goto error;
2439
2440 /* Enable temperature sensor */
2441 ret = __phy_read(phydev, MII_88E1121_MISC_TEST);
2442 if (ret < 0)
2443 goto error;
2444
2445 ret = __phy_write(phydev, MII_88E1121_MISC_TEST,
2446 ret | MII_88E1121_MISC_TEST_TEMP_SENSOR_EN);
2447 if (ret < 0)
2448 goto error;
2449
2450 /* Wait for temperature to stabilize */
2451 usleep_range(10000, 12000);
2452
2453 val = __phy_read(phydev, MII_88E1121_MISC_TEST);
2454 if (val < 0) {
2455 ret = val;
2456 goto error;
2457 }
2458
2459 /* Disable temperature sensor */
2460 ret = __phy_write(phydev, MII_88E1121_MISC_TEST,
2461 ret & ~MII_88E1121_MISC_TEST_TEMP_SENSOR_EN);
2462 if (ret < 0)
2463 goto error;
2464
2465 *temp = ((val & MII_88E1121_MISC_TEST_TEMP_MASK) - 5) * 5000;
2466
2467error:
2468 return phy_restore_page(phydev, oldpage, ret);
2469}
2470
2471static int m88e1510_get_temp(struct phy_device *phydev, long *temp)
2472{
2473 int ret;
2474
2475 *temp = 0;
2476
2477 ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
2478 MII_88E1510_TEMP_SENSOR);
2479 if (ret < 0)
2480 return ret;
2481
2482 *temp = ((ret & MII_88E1510_TEMP_SENSOR_MASK) - 25) * 1000;
2483
2484 return 0;
2485}
2486
2487static int m88e1510_get_temp_critical(struct phy_device *phydev, long *temp)
2488{
2489 int ret;
2490
2491 *temp = 0;
2492
2493 ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
2494 MII_88E1121_MISC_TEST);
2495 if (ret < 0)
2496 return ret;
2497
2498 *temp = (((ret & MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK) >>
2499 MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT) * 5) - 25;
2500 /* convert to mC */
2501 *temp *= 1000;
2502
2503 return 0;
2504}
2505
2506static int m88e1510_set_temp_critical(struct phy_device *phydev, long temp)
2507{
2508 temp = temp / 1000;
2509 temp = clamp_val(DIV_ROUND_CLOSEST(temp, 5) + 5, 0, 0x1f);
2510
2511 return phy_modify_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
2512 MII_88E1121_MISC_TEST,
2513 MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK,
2514 temp << MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT);
2515}
2516
2517static int m88e1510_get_temp_alarm(struct phy_device *phydev, long *alarm)
2518{
2519 int ret;
2520
2521 *alarm = false;
2522
2523 ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
2524 MII_88E1121_MISC_TEST);
2525 if (ret < 0)
2526 return ret;
2527
2528 *alarm = !!(ret & MII_88E1510_MISC_TEST_TEMP_IRQ);
2529
2530 return 0;
2531}
2532
2533static int m88e6390_get_temp(struct phy_device *phydev, long *temp)
2534{
2535 int sum = 0;
2536 int oldpage;
2537 int ret = 0;
2538 int i;
2539
2540 *temp = 0;
2541
2542 oldpage = phy_select_page(phydev, MII_MARVELL_MISC_TEST_PAGE);
2543 if (oldpage < 0)
2544 goto error;
2545
2546 /* Enable temperature sensor */
2547 ret = __phy_read(phydev, MII_88E6390_MISC_TEST);
2548 if (ret < 0)
2549 goto error;
2550
2551 ret &= ~MII_88E6390_MISC_TEST_TEMP_SENSOR_MASK;
2552 ret |= MII_88E6390_MISC_TEST_TEMP_SENSOR_ENABLE_SAMPLE_1S;
2553
2554 ret = __phy_write(phydev, MII_88E6390_MISC_TEST, ret);
2555 if (ret < 0)
2556 goto error;
2557
2558 /* Wait for temperature to stabilize */
2559 usleep_range(10000, 12000);
2560
2561 /* Reading the temperature sense has an errata. You need to read
2562 * a number of times and take an average.
2563 */
2564 for (i = 0; i < MII_88E6390_TEMP_SENSOR_SAMPLES; i++) {
2565 ret = __phy_read(phydev, MII_88E6390_TEMP_SENSOR);
2566 if (ret < 0)
2567 goto error;
2568 sum += ret & MII_88E6390_TEMP_SENSOR_MASK;
2569 }
2570
2571 sum /= MII_88E6390_TEMP_SENSOR_SAMPLES;
2572 *temp = (sum - 75) * 1000;
2573
2574 /* Disable temperature sensor */
2575 ret = __phy_read(phydev, MII_88E6390_MISC_TEST);
2576 if (ret < 0)
2577 goto error;
2578
2579 ret = ret & ~MII_88E6390_MISC_TEST_TEMP_SENSOR_MASK;
2580 ret |= MII_88E6390_MISC_TEST_TEMP_SENSOR_DISABLE;
2581
2582 ret = __phy_write(phydev, MII_88E6390_MISC_TEST, ret);
2583
2584error:
2585 phy_restore_page(phydev, oldpage, ret);
2586
2587 return ret;
2588}
2589
2590static int m88e6393_get_temp(struct phy_device *phydev, long *temp)
2591{
2592 int err;
2593
2594 err = m88e1510_get_temp(phydev, temp);
2595
2596 /* 88E1510 measures T + 25, while the PHY on 88E6393X switch
2597 * T + 75, so we have to subtract another 50
2598 */
2599 *temp -= 50000;
2600
2601 return err;
2602}
2603
2604static int m88e6393_get_temp_critical(struct phy_device *phydev, long *temp)
2605{
2606 int ret;
2607
2608 *temp = 0;
2609
2610 ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
2611 MII_88E6390_TEMP_SENSOR);
2612 if (ret < 0)
2613 return ret;
2614
2615 *temp = (((ret & MII_88E6393_TEMP_SENSOR_THRESHOLD_MASK) >>
2616 MII_88E6393_TEMP_SENSOR_THRESHOLD_SHIFT) - 75) * 1000;
2617
2618 return 0;
2619}
2620
2621static int m88e6393_set_temp_critical(struct phy_device *phydev, long temp)
2622{
2623 temp = (temp / 1000) + 75;
2624
2625 return phy_modify_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
2626 MII_88E6390_TEMP_SENSOR,
2627 MII_88E6393_TEMP_SENSOR_THRESHOLD_MASK,
2628 temp << MII_88E6393_TEMP_SENSOR_THRESHOLD_SHIFT);
2629}
2630
2631static int m88e6393_hwmon_config(struct phy_device *phydev)
2632{
2633 int err;
2634
2635 err = m88e6393_set_temp_critical(phydev, 100000);
2636 if (err)
2637 return err;
2638
2639 return phy_modify_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
2640 MII_88E6390_MISC_TEST,
2641 MII_88E6390_MISC_TEST_TEMP_SENSOR_MASK |
2642 MII_88E6393_MISC_TEST_SAMPLES_MASK |
2643 MII_88E6393_MISC_TEST_RATE_MASK,
2644 MII_88E6390_MISC_TEST_TEMP_SENSOR_ENABLE |
2645 MII_88E6393_MISC_TEST_SAMPLES_2048 |
2646 MII_88E6393_MISC_TEST_RATE_2_3MS);
2647}
2648
2649static int marvell_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
2650 u32 attr, int channel, long *temp)
2651{
2652 struct phy_device *phydev = dev_get_drvdata(dev);
2653 const struct marvell_hwmon_ops *ops = to_marvell_hwmon_ops(phydev);
2654 int err = -EOPNOTSUPP;
2655
2656 switch (attr) {
2657 case hwmon_temp_input:
2658 if (ops->get_temp)
2659 err = ops->get_temp(phydev, temp);
2660 break;
2661 case hwmon_temp_crit:
2662 if (ops->get_temp_critical)
2663 err = ops->get_temp_critical(phydev, temp);
2664 break;
2665 case hwmon_temp_max_alarm:
2666 if (ops->get_temp_alarm)
2667 err = ops->get_temp_alarm(phydev, temp);
2668 break;
2669 }
2670
2671 return err;
2672}
2673
2674static int marvell_hwmon_write(struct device *dev, enum hwmon_sensor_types type,
2675 u32 attr, int channel, long temp)
2676{
2677 struct phy_device *phydev = dev_get_drvdata(dev);
2678 const struct marvell_hwmon_ops *ops = to_marvell_hwmon_ops(phydev);
2679 int err = -EOPNOTSUPP;
2680
2681 switch (attr) {
2682 case hwmon_temp_crit:
2683 if (ops->set_temp_critical)
2684 err = ops->set_temp_critical(phydev, temp);
2685 break;
2686 }
2687
2688 return err;
2689}
2690
2691static umode_t marvell_hwmon_is_visible(const void *data,
2692 enum hwmon_sensor_types type,
2693 u32 attr, int channel)
2694{
2695 const struct phy_device *phydev = data;
2696 const struct marvell_hwmon_ops *ops = to_marvell_hwmon_ops(phydev);
2697
2698 if (type != hwmon_temp)
2699 return 0;
2700
2701 switch (attr) {
2702 case hwmon_temp_input:
2703 return ops->get_temp ? 0444 : 0;
2704 case hwmon_temp_max_alarm:
2705 return ops->get_temp_alarm ? 0444 : 0;
2706 case hwmon_temp_crit:
2707 return (ops->get_temp_critical ? 0444 : 0) |
2708 (ops->set_temp_critical ? 0200 : 0);
2709 default:
2710 return 0;
2711 }
2712}
2713
2714static u32 marvell_hwmon_chip_config[] = {
2715 HWMON_C_REGISTER_TZ,
2716 0
2717};
2718
2719static const struct hwmon_channel_info marvell_hwmon_chip = {
2720 .type = hwmon_chip,
2721 .config = marvell_hwmon_chip_config,
2722};
2723
2724/* we can define HWMON_T_CRIT and HWMON_T_MAX_ALARM even though these are not
2725 * defined for all PHYs, because the hwmon code checks whether the attributes
2726 * exists via the .is_visible method
2727 */
2728static u32 marvell_hwmon_temp_config[] = {
2729 HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_MAX_ALARM,
2730 0
2731};
2732
2733static const struct hwmon_channel_info marvell_hwmon_temp = {
2734 .type = hwmon_temp,
2735 .config = marvell_hwmon_temp_config,
2736};
2737
2738static const struct hwmon_channel_info *marvell_hwmon_info[] = {
2739 &marvell_hwmon_chip,
2740 &marvell_hwmon_temp,
2741 NULL
2742};
2743
2744static const struct hwmon_ops marvell_hwmon_hwmon_ops = {
2745 .is_visible = marvell_hwmon_is_visible,
2746 .read = marvell_hwmon_read,
2747 .write = marvell_hwmon_write,
2748};
2749
2750static const struct hwmon_chip_info marvell_hwmon_chip_info = {
2751 .ops = &marvell_hwmon_hwmon_ops,
2752 .info = marvell_hwmon_info,
2753};
2754
2755static int marvell_hwmon_name(struct phy_device *phydev)
2756{
2757 struct marvell_priv *priv = phydev->priv;
2758 struct device *dev = &phydev->mdio.dev;
2759 const char *devname = dev_name(dev);
2760 size_t len = strlen(devname);
2761 int i, j;
2762
2763 priv->hwmon_name = devm_kzalloc(dev, len, GFP_KERNEL);
2764 if (!priv->hwmon_name)
2765 return -ENOMEM;
2766
2767 for (i = j = 0; i < len && devname[i]; i++) {
2768 if (isalnum(devname[i]))
2769 priv->hwmon_name[j++] = devname[i];
2770 }
2771
2772 return 0;
2773}
2774
2775static int marvell_hwmon_probe(struct phy_device *phydev)
2776{
2777 const struct marvell_hwmon_ops *ops = to_marvell_hwmon_ops(phydev);
2778 struct marvell_priv *priv = phydev->priv;
2779 struct device *dev = &phydev->mdio.dev;
2780 int err;
2781
2782 if (!ops)
2783 return 0;
2784
2785 err = marvell_hwmon_name(phydev);
2786 if (err)
2787 return err;
2788
2789 priv->hwmon_dev = devm_hwmon_device_register_with_info(
2790 dev, priv->hwmon_name, phydev, &marvell_hwmon_chip_info, NULL);
2791 if (IS_ERR(priv->hwmon_dev))
2792 return PTR_ERR(priv->hwmon_dev);
2793
2794 if (ops->config)
2795 err = ops->config(phydev);
2796
2797 return err;
2798}
2799
2800static const struct marvell_hwmon_ops m88e1121_hwmon_ops = {
2801 .get_temp = m88e1121_get_temp,
2802};
2803
2804static const struct marvell_hwmon_ops m88e1510_hwmon_ops = {
2805 .get_temp = m88e1510_get_temp,
2806 .get_temp_critical = m88e1510_get_temp_critical,
2807 .set_temp_critical = m88e1510_set_temp_critical,
2808 .get_temp_alarm = m88e1510_get_temp_alarm,
2809};
2810
2811static const struct marvell_hwmon_ops m88e6390_hwmon_ops = {
2812 .get_temp = m88e6390_get_temp,
2813};
2814
2815static const struct marvell_hwmon_ops m88e6393_hwmon_ops = {
2816 .config = m88e6393_hwmon_config,
2817 .get_temp = m88e6393_get_temp,
2818 .get_temp_critical = m88e6393_get_temp_critical,
2819 .set_temp_critical = m88e6393_set_temp_critical,
2820 .get_temp_alarm = m88e1510_get_temp_alarm,
2821};
2822
2823#define DEF_MARVELL_HWMON_OPS(s) (&(s))
2824
2825#else
2826
2827#define DEF_MARVELL_HWMON_OPS(s) NULL
2828
2829static int marvell_hwmon_probe(struct phy_device *phydev)
2830{
2831 return 0;
2832}
2833#endif
2834
2835static int marvell_probe(struct phy_device *phydev)
2836{
2837 struct marvell_priv *priv;
2838
2839 priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
2840 if (!priv)
2841 return -ENOMEM;
2842
2843 phydev->priv = priv;
2844
2845 return marvell_hwmon_probe(phydev);
2846}
2847
2848static int m88e1510_sfp_insert(void *upstream, const struct sfp_eeprom_id *id)
2849{
2850 DECLARE_PHY_INTERFACE_MASK(interfaces);
2851 struct phy_device *phydev = upstream;
2852 phy_interface_t interface;
2853 struct device *dev;
2854 int oldpage;
2855 int ret = 0;
2856 u16 mode;
2857
2858 __ETHTOOL_DECLARE_LINK_MODE_MASK(supported) = { 0, };
2859
2860 dev = &phydev->mdio.dev;
2861
2862 sfp_parse_support(phydev->sfp_bus, id, supported, interfaces);
2863 interface = sfp_select_interface(phydev->sfp_bus, supported);
2864
2865 dev_info(dev, "%s SFP module inserted\n", phy_modes(interface));
2866
2867 switch (interface) {
2868 case PHY_INTERFACE_MODE_1000BASEX:
2869 mode = MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_1000X;
2870
2871 break;
2872 case PHY_INTERFACE_MODE_100BASEX:
2873 mode = MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_100FX;
2874
2875 break;
2876 case PHY_INTERFACE_MODE_SGMII:
2877 mode = MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_SGMII;
2878
2879 break;
2880 default:
2881 dev_err(dev, "Incompatible SFP module inserted\n");
2882
2883 return -EINVAL;
2884 }
2885
2886 oldpage = phy_select_page(phydev, MII_MARVELL_MODE_PAGE);
2887 if (oldpage < 0)
2888 goto error;
2889
2890 ret = __phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1,
2891 MII_88E1510_GEN_CTRL_REG_1_MODE_MASK, mode);
2892 if (ret < 0)
2893 goto error;
2894
2895 ret = __phy_set_bits(phydev, MII_88E1510_GEN_CTRL_REG_1,
2896 MII_88E1510_GEN_CTRL_REG_1_RESET);
2897
2898error:
2899 return phy_restore_page(phydev, oldpage, ret);
2900}
2901
2902static void m88e1510_sfp_remove(void *upstream)
2903{
2904 struct phy_device *phydev = upstream;
2905 int oldpage;
2906 int ret = 0;
2907
2908 oldpage = phy_select_page(phydev, MII_MARVELL_MODE_PAGE);
2909 if (oldpage < 0)
2910 goto error;
2911
2912 ret = __phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1,
2913 MII_88E1510_GEN_CTRL_REG_1_MODE_MASK,
2914 MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII);
2915 if (ret < 0)
2916 goto error;
2917
2918 ret = __phy_set_bits(phydev, MII_88E1510_GEN_CTRL_REG_1,
2919 MII_88E1510_GEN_CTRL_REG_1_RESET);
2920
2921error:
2922 phy_restore_page(phydev, oldpage, ret);
2923}
2924
2925static const struct sfp_upstream_ops m88e1510_sfp_ops = {
2926 .module_insert = m88e1510_sfp_insert,
2927 .module_remove = m88e1510_sfp_remove,
2928 .attach = phy_sfp_attach,
2929 .detach = phy_sfp_detach,
2930};
2931
2932static int m88e1510_probe(struct phy_device *phydev)
2933{
2934 int err;
2935
2936 err = marvell_probe(phydev);
2937 if (err)
2938 return err;
2939
2940 return phy_sfp_probe(phydev, &m88e1510_sfp_ops);
2941}
2942
2943static struct phy_driver marvell_drivers[] = {
2944 {
2945 .phy_id = MARVELL_PHY_ID_88E1101,
2946 .phy_id_mask = MARVELL_PHY_ID_MASK,
2947 .name = "Marvell 88E1101",
2948 /* PHY_GBIT_FEATURES */
2949 .probe = marvell_probe,
2950 .config_init = marvell_config_init,
2951 .config_aneg = m88e1101_config_aneg,
2952 .config_intr = marvell_config_intr,
2953 .handle_interrupt = marvell_handle_interrupt,
2954 .resume = genphy_resume,
2955 .suspend = genphy_suspend,
2956 .read_page = marvell_read_page,
2957 .write_page = marvell_write_page,
2958 .get_sset_count = marvell_get_sset_count,
2959 .get_strings = marvell_get_strings,
2960 .get_stats = marvell_get_stats,
2961 },
2962 {
2963 .phy_id = MARVELL_PHY_ID_88E1112,
2964 .phy_id_mask = MARVELL_PHY_ID_MASK,
2965 .name = "Marvell 88E1112",
2966 /* PHY_GBIT_FEATURES */
2967 .probe = marvell_probe,
2968 .config_init = m88e1112_config_init,
2969 .config_aneg = marvell_config_aneg,
2970 .config_intr = marvell_config_intr,
2971 .handle_interrupt = marvell_handle_interrupt,
2972 .resume = genphy_resume,
2973 .suspend = genphy_suspend,
2974 .read_page = marvell_read_page,
2975 .write_page = marvell_write_page,
2976 .get_sset_count = marvell_get_sset_count,
2977 .get_strings = marvell_get_strings,
2978 .get_stats = marvell_get_stats,
2979 .get_tunable = m88e1011_get_tunable,
2980 .set_tunable = m88e1011_set_tunable,
2981 },
2982 {
2983 .phy_id = MARVELL_PHY_ID_88E1111,
2984 .phy_id_mask = MARVELL_PHY_ID_MASK,
2985 .name = "Marvell 88E1111",
2986 /* PHY_GBIT_FEATURES */
2987 .probe = marvell_probe,
2988 .config_init = m88e1111gbe_config_init,
2989 .config_aneg = m88e1111_config_aneg,
2990 .read_status = marvell_read_status,
2991 .config_intr = marvell_config_intr,
2992 .handle_interrupt = marvell_handle_interrupt,
2993 .resume = genphy_resume,
2994 .suspend = genphy_suspend,
2995 .read_page = marvell_read_page,
2996 .write_page = marvell_write_page,
2997 .get_sset_count = marvell_get_sset_count,
2998 .get_strings = marvell_get_strings,
2999 .get_stats = marvell_get_stats,
3000 .get_tunable = m88e1111_get_tunable,
3001 .set_tunable = m88e1111_set_tunable,
3002 },
3003 {
3004 .phy_id = MARVELL_PHY_ID_88E1111_FINISAR,
3005 .phy_id_mask = MARVELL_PHY_ID_MASK,
3006 .name = "Marvell 88E1111 (Finisar)",
3007 /* PHY_GBIT_FEATURES */
3008 .probe = marvell_probe,
3009 .config_init = m88e1111gbe_config_init,
3010 .config_aneg = m88e1111_config_aneg,
3011 .read_status = marvell_read_status,
3012 .config_intr = marvell_config_intr,
3013 .handle_interrupt = marvell_handle_interrupt,
3014 .resume = genphy_resume,
3015 .suspend = genphy_suspend,
3016 .read_page = marvell_read_page,
3017 .write_page = marvell_write_page,
3018 .get_sset_count = marvell_get_sset_count,
3019 .get_strings = marvell_get_strings,
3020 .get_stats = marvell_get_stats,
3021 .get_tunable = m88e1111_get_tunable,
3022 .set_tunable = m88e1111_set_tunable,
3023 },
3024 {
3025 .phy_id = MARVELL_PHY_ID_88E1118,
3026 .phy_id_mask = MARVELL_PHY_ID_MASK,
3027 .name = "Marvell 88E1118",
3028 /* PHY_GBIT_FEATURES */
3029 .probe = marvell_probe,
3030 .config_init = m88e1118_config_init,
3031 .config_aneg = m88e1118_config_aneg,
3032 .config_intr = marvell_config_intr,
3033 .handle_interrupt = marvell_handle_interrupt,
3034 .resume = genphy_resume,
3035 .suspend = genphy_suspend,
3036 .read_page = marvell_read_page,
3037 .write_page = marvell_write_page,
3038 .get_sset_count = marvell_get_sset_count,
3039 .get_strings = marvell_get_strings,
3040 .get_stats = marvell_get_stats,
3041 },
3042 {
3043 .phy_id = MARVELL_PHY_ID_88E1121R,
3044 .phy_id_mask = MARVELL_PHY_ID_MASK,
3045 .name = "Marvell 88E1121R",
3046 .driver_data = DEF_MARVELL_HWMON_OPS(m88e1121_hwmon_ops),
3047 /* PHY_GBIT_FEATURES */
3048 .probe = marvell_probe,
3049 .config_init = marvell_1011gbe_config_init,
3050 .config_aneg = m88e1121_config_aneg,
3051 .read_status = marvell_read_status,
3052 .config_intr = marvell_config_intr,
3053 .handle_interrupt = marvell_handle_interrupt,
3054 .resume = genphy_resume,
3055 .suspend = genphy_suspend,
3056 .read_page = marvell_read_page,
3057 .write_page = marvell_write_page,
3058 .get_sset_count = marvell_get_sset_count,
3059 .get_strings = marvell_get_strings,
3060 .get_stats = marvell_get_stats,
3061 .get_tunable = m88e1011_get_tunable,
3062 .set_tunable = m88e1011_set_tunable,
3063 },
3064 {
3065 .phy_id = MARVELL_PHY_ID_88E1318S,
3066 .phy_id_mask = MARVELL_PHY_ID_MASK,
3067 .name = "Marvell 88E1318S",
3068 /* PHY_GBIT_FEATURES */
3069 .probe = marvell_probe,
3070 .config_init = m88e1318_config_init,
3071 .config_aneg = m88e1318_config_aneg,
3072 .read_status = marvell_read_status,
3073 .config_intr = marvell_config_intr,
3074 .handle_interrupt = marvell_handle_interrupt,
3075 .get_wol = m88e1318_get_wol,
3076 .set_wol = m88e1318_set_wol,
3077 .resume = genphy_resume,
3078 .suspend = genphy_suspend,
3079 .read_page = marvell_read_page,
3080 .write_page = marvell_write_page,
3081 .get_sset_count = marvell_get_sset_count,
3082 .get_strings = marvell_get_strings,
3083 .get_stats = marvell_get_stats,
3084 },
3085 {
3086 .phy_id = MARVELL_PHY_ID_88E1145,
3087 .phy_id_mask = MARVELL_PHY_ID_MASK,
3088 .name = "Marvell 88E1145",
3089 /* PHY_GBIT_FEATURES */
3090 .probe = marvell_probe,
3091 .config_init = m88e1145_config_init,
3092 .config_aneg = m88e1101_config_aneg,
3093 .config_intr = marvell_config_intr,
3094 .handle_interrupt = marvell_handle_interrupt,
3095 .resume = genphy_resume,
3096 .suspend = genphy_suspend,
3097 .read_page = marvell_read_page,
3098 .write_page = marvell_write_page,
3099 .get_sset_count = marvell_get_sset_count,
3100 .get_strings = marvell_get_strings,
3101 .get_stats = marvell_get_stats,
3102 .get_tunable = m88e1111_get_tunable,
3103 .set_tunable = m88e1111_set_tunable,
3104 },
3105 {
3106 .phy_id = MARVELL_PHY_ID_88E1149R,
3107 .phy_id_mask = MARVELL_PHY_ID_MASK,
3108 .name = "Marvell 88E1149R",
3109 /* PHY_GBIT_FEATURES */
3110 .probe = marvell_probe,
3111 .config_init = m88e1149_config_init,
3112 .config_aneg = m88e1118_config_aneg,
3113 .config_intr = marvell_config_intr,
3114 .handle_interrupt = marvell_handle_interrupt,
3115 .resume = genphy_resume,
3116 .suspend = genphy_suspend,
3117 .read_page = marvell_read_page,
3118 .write_page = marvell_write_page,
3119 .get_sset_count = marvell_get_sset_count,
3120 .get_strings = marvell_get_strings,
3121 .get_stats = marvell_get_stats,
3122 },
3123 {
3124 .phy_id = MARVELL_PHY_ID_88E1240,
3125 .phy_id_mask = MARVELL_PHY_ID_MASK,
3126 .name = "Marvell 88E1240",
3127 /* PHY_GBIT_FEATURES */
3128 .probe = marvell_probe,
3129 .config_init = m88e1112_config_init,
3130 .config_aneg = marvell_config_aneg,
3131 .config_intr = marvell_config_intr,
3132 .handle_interrupt = marvell_handle_interrupt,
3133 .resume = genphy_resume,
3134 .suspend = genphy_suspend,
3135 .read_page = marvell_read_page,
3136 .write_page = marvell_write_page,
3137 .get_sset_count = marvell_get_sset_count,
3138 .get_strings = marvell_get_strings,
3139 .get_stats = marvell_get_stats,
3140 .get_tunable = m88e1011_get_tunable,
3141 .set_tunable = m88e1011_set_tunable,
3142 },
3143 {
3144 .phy_id = MARVELL_PHY_ID_88E1116R,
3145 .phy_id_mask = MARVELL_PHY_ID_MASK,
3146 .name = "Marvell 88E1116R",
3147 /* PHY_GBIT_FEATURES */
3148 .probe = marvell_probe,
3149 .config_init = m88e1116r_config_init,
3150 .config_intr = marvell_config_intr,
3151 .handle_interrupt = marvell_handle_interrupt,
3152 .resume = genphy_resume,
3153 .suspend = genphy_suspend,
3154 .read_page = marvell_read_page,
3155 .write_page = marvell_write_page,
3156 .get_sset_count = marvell_get_sset_count,
3157 .get_strings = marvell_get_strings,
3158 .get_stats = marvell_get_stats,
3159 .get_tunable = m88e1011_get_tunable,
3160 .set_tunable = m88e1011_set_tunable,
3161 },
3162 {
3163 .phy_id = MARVELL_PHY_ID_88E1510,
3164 .phy_id_mask = MARVELL_PHY_ID_MASK,
3165 .name = "Marvell 88E1510",
3166 .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
3167 .features = PHY_GBIT_FIBRE_FEATURES,
3168 .flags = PHY_POLL_CABLE_TEST,
3169 .probe = m88e1510_probe,
3170 .config_init = m88e1510_config_init,
3171 .config_aneg = m88e1510_config_aneg,
3172 .read_status = marvell_read_status,
3173 .config_intr = marvell_config_intr,
3174 .handle_interrupt = marvell_handle_interrupt,
3175 .get_wol = m88e1318_get_wol,
3176 .set_wol = m88e1318_set_wol,
3177 .resume = marvell_resume,
3178 .suspend = marvell_suspend,
3179 .read_page = marvell_read_page,
3180 .write_page = marvell_write_page,
3181 .get_sset_count = marvell_get_sset_count,
3182 .get_strings = marvell_get_strings,
3183 .get_stats = marvell_get_stats,
3184 .set_loopback = m88e1510_loopback,
3185 .get_tunable = m88e1011_get_tunable,
3186 .set_tunable = m88e1011_set_tunable,
3187 .cable_test_start = marvell_vct7_cable_test_start,
3188 .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
3189 .cable_test_get_status = marvell_vct7_cable_test_get_status,
3190 },
3191 {
3192 .phy_id = MARVELL_PHY_ID_88E1540,
3193 .phy_id_mask = MARVELL_PHY_ID_MASK,
3194 .name = "Marvell 88E1540",
3195 .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
3196 /* PHY_GBIT_FEATURES */
3197 .flags = PHY_POLL_CABLE_TEST,
3198 .probe = marvell_probe,
3199 .config_init = marvell_1011gbe_config_init,
3200 .config_aneg = m88e1510_config_aneg,
3201 .read_status = marvell_read_status,
3202 .config_intr = marvell_config_intr,
3203 .handle_interrupt = marvell_handle_interrupt,
3204 .resume = genphy_resume,
3205 .suspend = genphy_suspend,
3206 .read_page = marvell_read_page,
3207 .write_page = marvell_write_page,
3208 .get_sset_count = marvell_get_sset_count,
3209 .get_strings = marvell_get_strings,
3210 .get_stats = marvell_get_stats,
3211 .get_tunable = m88e1540_get_tunable,
3212 .set_tunable = m88e1540_set_tunable,
3213 .cable_test_start = marvell_vct7_cable_test_start,
3214 .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
3215 .cable_test_get_status = marvell_vct7_cable_test_get_status,
3216 },
3217 {
3218 .phy_id = MARVELL_PHY_ID_88E1545,
3219 .phy_id_mask = MARVELL_PHY_ID_MASK,
3220 .name = "Marvell 88E1545",
3221 .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
3222 .probe = marvell_probe,
3223 /* PHY_GBIT_FEATURES */
3224 .flags = PHY_POLL_CABLE_TEST,
3225 .config_init = marvell_1011gbe_config_init,
3226 .config_aneg = m88e1510_config_aneg,
3227 .read_status = marvell_read_status,
3228 .config_intr = marvell_config_intr,
3229 .handle_interrupt = marvell_handle_interrupt,
3230 .resume = genphy_resume,
3231 .suspend = genphy_suspend,
3232 .read_page = marvell_read_page,
3233 .write_page = marvell_write_page,
3234 .get_sset_count = marvell_get_sset_count,
3235 .get_strings = marvell_get_strings,
3236 .get_stats = marvell_get_stats,
3237 .get_tunable = m88e1540_get_tunable,
3238 .set_tunable = m88e1540_set_tunable,
3239 .cable_test_start = marvell_vct7_cable_test_start,
3240 .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
3241 .cable_test_get_status = marvell_vct7_cable_test_get_status,
3242 },
3243 {
3244 .phy_id = MARVELL_PHY_ID_88E3016,
3245 .phy_id_mask = MARVELL_PHY_ID_MASK,
3246 .name = "Marvell 88E3016",
3247 /* PHY_BASIC_FEATURES */
3248 .probe = marvell_probe,
3249 .config_init = m88e3016_config_init,
3250 .aneg_done = marvell_aneg_done,
3251 .read_status = marvell_read_status,
3252 .config_intr = marvell_config_intr,
3253 .handle_interrupt = marvell_handle_interrupt,
3254 .resume = genphy_resume,
3255 .suspend = genphy_suspend,
3256 .read_page = marvell_read_page,
3257 .write_page = marvell_write_page,
3258 .get_sset_count = marvell_get_sset_count,
3259 .get_strings = marvell_get_strings,
3260 .get_stats = marvell_get_stats,
3261 },
3262 {
3263 .phy_id = MARVELL_PHY_ID_88E6341_FAMILY,
3264 .phy_id_mask = MARVELL_PHY_ID_MASK,
3265 .name = "Marvell 88E6341 Family",
3266 .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
3267 /* PHY_GBIT_FEATURES */
3268 .flags = PHY_POLL_CABLE_TEST,
3269 .probe = marvell_probe,
3270 .config_init = marvell_1011gbe_config_init,
3271 .config_aneg = m88e6390_config_aneg,
3272 .read_status = marvell_read_status,
3273 .config_intr = marvell_config_intr,
3274 .handle_interrupt = marvell_handle_interrupt,
3275 .resume = genphy_resume,
3276 .suspend = genphy_suspend,
3277 .read_page = marvell_read_page,
3278 .write_page = marvell_write_page,
3279 .get_sset_count = marvell_get_sset_count,
3280 .get_strings = marvell_get_strings,
3281 .get_stats = marvell_get_stats,
3282 .get_tunable = m88e1540_get_tunable,
3283 .set_tunable = m88e1540_set_tunable,
3284 .cable_test_start = marvell_vct7_cable_test_start,
3285 .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
3286 .cable_test_get_status = marvell_vct7_cable_test_get_status,
3287 },
3288 {
3289 .phy_id = MARVELL_PHY_ID_88E6390_FAMILY,
3290 .phy_id_mask = MARVELL_PHY_ID_MASK,
3291 .name = "Marvell 88E6390 Family",
3292 .driver_data = DEF_MARVELL_HWMON_OPS(m88e6390_hwmon_ops),
3293 /* PHY_GBIT_FEATURES */
3294 .flags = PHY_POLL_CABLE_TEST,
3295 .probe = marvell_probe,
3296 .config_init = marvell_1011gbe_config_init,
3297 .config_aneg = m88e6390_config_aneg,
3298 .read_status = marvell_read_status,
3299 .config_intr = marvell_config_intr,
3300 .handle_interrupt = marvell_handle_interrupt,
3301 .resume = genphy_resume,
3302 .suspend = genphy_suspend,
3303 .read_page = marvell_read_page,
3304 .write_page = marvell_write_page,
3305 .get_sset_count = marvell_get_sset_count,
3306 .get_strings = marvell_get_strings,
3307 .get_stats = marvell_get_stats,
3308 .get_tunable = m88e1540_get_tunable,
3309 .set_tunable = m88e1540_set_tunable,
3310 .cable_test_start = marvell_vct7_cable_test_start,
3311 .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
3312 .cable_test_get_status = marvell_vct7_cable_test_get_status,
3313 },
3314 {
3315 .phy_id = MARVELL_PHY_ID_88E6393_FAMILY,
3316 .phy_id_mask = MARVELL_PHY_ID_MASK,
3317 .name = "Marvell 88E6393 Family",
3318 .driver_data = DEF_MARVELL_HWMON_OPS(m88e6393_hwmon_ops),
3319 /* PHY_GBIT_FEATURES */
3320 .flags = PHY_POLL_CABLE_TEST,
3321 .probe = marvell_probe,
3322 .config_init = marvell_1011gbe_config_init,
3323 .config_aneg = m88e1510_config_aneg,
3324 .read_status = marvell_read_status,
3325 .config_intr = marvell_config_intr,
3326 .handle_interrupt = marvell_handle_interrupt,
3327 .resume = genphy_resume,
3328 .suspend = genphy_suspend,
3329 .read_page = marvell_read_page,
3330 .write_page = marvell_write_page,
3331 .get_sset_count = marvell_get_sset_count,
3332 .get_strings = marvell_get_strings,
3333 .get_stats = marvell_get_stats,
3334 .get_tunable = m88e1540_get_tunable,
3335 .set_tunable = m88e1540_set_tunable,
3336 .cable_test_start = marvell_vct7_cable_test_start,
3337 .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
3338 .cable_test_get_status = marvell_vct7_cable_test_get_status,
3339 },
3340 {
3341 .phy_id = MARVELL_PHY_ID_88E1340S,
3342 .phy_id_mask = MARVELL_PHY_ID_MASK,
3343 .name = "Marvell 88E1340S",
3344 .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
3345 .probe = marvell_probe,
3346 /* PHY_GBIT_FEATURES */
3347 .config_init = marvell_1011gbe_config_init,
3348 .config_aneg = m88e1510_config_aneg,
3349 .read_status = marvell_read_status,
3350 .config_intr = marvell_config_intr,
3351 .handle_interrupt = marvell_handle_interrupt,
3352 .resume = genphy_resume,
3353 .suspend = genphy_suspend,
3354 .read_page = marvell_read_page,
3355 .write_page = marvell_write_page,
3356 .get_sset_count = marvell_get_sset_count,
3357 .get_strings = marvell_get_strings,
3358 .get_stats = marvell_get_stats,
3359 .get_tunable = m88e1540_get_tunable,
3360 .set_tunable = m88e1540_set_tunable,
3361 },
3362 {
3363 .phy_id = MARVELL_PHY_ID_88E1548P,
3364 .phy_id_mask = MARVELL_PHY_ID_MASK,
3365 .name = "Marvell 88E1548P",
3366 .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
3367 .probe = marvell_probe,
3368 .features = PHY_GBIT_FIBRE_FEATURES,
3369 .config_init = marvell_1011gbe_config_init,
3370 .config_aneg = m88e1510_config_aneg,
3371 .read_status = marvell_read_status,
3372 .config_intr = marvell_config_intr,
3373 .handle_interrupt = marvell_handle_interrupt,
3374 .resume = genphy_resume,
3375 .suspend = genphy_suspend,
3376 .read_page = marvell_read_page,
3377 .write_page = marvell_write_page,
3378 .get_sset_count = marvell_get_sset_count,
3379 .get_strings = marvell_get_strings,
3380 .get_stats = marvell_get_stats,
3381 .get_tunable = m88e1540_get_tunable,
3382 .set_tunable = m88e1540_set_tunable,
3383 },
3384};
3385
3386module_phy_driver(marvell_drivers);
3387
3388static struct mdio_device_id __maybe_unused marvell_tbl[] = {
3389 { MARVELL_PHY_ID_88E1101, MARVELL_PHY_ID_MASK },
3390 { MARVELL_PHY_ID_88E1112, MARVELL_PHY_ID_MASK },
3391 { MARVELL_PHY_ID_88E1111, MARVELL_PHY_ID_MASK },
3392 { MARVELL_PHY_ID_88E1111_FINISAR, MARVELL_PHY_ID_MASK },
3393 { MARVELL_PHY_ID_88E1118, MARVELL_PHY_ID_MASK },
3394 { MARVELL_PHY_ID_88E1121R, MARVELL_PHY_ID_MASK },
3395 { MARVELL_PHY_ID_88E1145, MARVELL_PHY_ID_MASK },
3396 { MARVELL_PHY_ID_88E1149R, MARVELL_PHY_ID_MASK },
3397 { MARVELL_PHY_ID_88E1240, MARVELL_PHY_ID_MASK },
3398 { MARVELL_PHY_ID_88E1318S, MARVELL_PHY_ID_MASK },
3399 { MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK },
3400 { MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK },
3401 { MARVELL_PHY_ID_88E1540, MARVELL_PHY_ID_MASK },
3402 { MARVELL_PHY_ID_88E1545, MARVELL_PHY_ID_MASK },
3403 { MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK },
3404 { MARVELL_PHY_ID_88E6341_FAMILY, MARVELL_PHY_ID_MASK },
3405 { MARVELL_PHY_ID_88E6390_FAMILY, MARVELL_PHY_ID_MASK },
3406 { MARVELL_PHY_ID_88E6393_FAMILY, MARVELL_PHY_ID_MASK },
3407 { MARVELL_PHY_ID_88E1340S, MARVELL_PHY_ID_MASK },
3408 { MARVELL_PHY_ID_88E1548P, MARVELL_PHY_ID_MASK },
3409 { }
3410};
3411
3412MODULE_DEVICE_TABLE(mdio, marvell_tbl);