summaryrefslogtreecommitdiff
path: root/drivers/net/phy/marvell.c
blob: 93cf44ad4cbd205f8390316c12133c02570493ed (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
// SPDX-License-Identifier: GPL-2.0+
/*
 * Marvell PHY drivers
 *
 * Copyright 2010-2011 Freescale Semiconductor, Inc.
 * author Andy Fleming
 */
#include <common.h>
#include <errno.h>
#include <phy.h>

#define PHY_AUTONEGOTIATE_TIMEOUT 5000

#define MII_MARVELL_PHY_PAGE		22

/* 88E1011 PHY Status Register */
#define MIIM_88E1xxx_PHY_STATUS		0x11
#define MIIM_88E1xxx_PHYSTAT_SPEED	0xc000
#define MIIM_88E1xxx_PHYSTAT_GBIT	0x8000
#define MIIM_88E1xxx_PHYSTAT_100	0x4000
#define MIIM_88E1xxx_PHYSTAT_DUPLEX	0x2000
#define MIIM_88E1xxx_PHYSTAT_SPDDONE	0x0800
#define MIIM_88E1xxx_PHYSTAT_LINK	0x0400

#define MIIM_88E1xxx_PHY_SCR		0x10
#define MIIM_88E1xxx_PHY_MDI_X_AUTO	0x0060

/* 88E1111 PHY LED Control Register */
#define MIIM_88E1111_PHY_LED_CONTROL	24
#define MIIM_88E1111_PHY_LED_DIRECT	0x4100
#define MIIM_88E1111_PHY_LED_COMBINE	0x411C

/* 88E1111 Extended PHY Specific Control Register */
#define MIIM_88E1111_PHY_EXT_CR		0x14
#define MIIM_88E1111_RX_DELAY		0x80
#define MIIM_88E1111_TX_DELAY		0x2

/* 88E1111 Extended PHY Specific Status Register */
#define MIIM_88E1111_PHY_EXT_SR		0x1b
#define MIIM_88E1111_HWCFG_MODE_MASK		0xf
#define MIIM_88E1111_HWCFG_MODE_COPPER_RGMII	0xb
#define MIIM_88E1111_HWCFG_MODE_FIBER_RGMII	0x3
#define MIIM_88E1111_HWCFG_MODE_SGMII_NO_CLK	0x4
#define MIIM_88E1111_HWCFG_MODE_COPPER_RTBI	0x9
#define MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO	0x8000
#define MIIM_88E1111_HWCFG_FIBER_COPPER_RES	0x2000

#define MIIM_88E1111_COPPER		0
#define MIIM_88E1111_FIBER		1

/* 88E1118 PHY defines */
#define MIIM_88E1118_PHY_PAGE		22
#define MIIM_88E1118_PHY_LED_PAGE	3

/* 88E1121 PHY LED Control Register */
#define MIIM_88E1121_PHY_LED_CTRL	16
#define MIIM_88E1121_PHY_LED_PAGE	3
#define MIIM_88E1121_PHY_LED_DEF	0x0030

/* 88E1121 PHY IRQ Enable/Status Register */
#define MIIM_88E1121_PHY_IRQ_EN		18
#define MIIM_88E1121_PHY_IRQ_STATUS	19

#define MIIM_88E1121_PHY_PAGE		22

/* 88E1145 Extended PHY Specific Control Register */
#define MIIM_88E1145_PHY_EXT_CR 20
#define MIIM_M88E1145_RGMII_RX_DELAY	0x0080
#define MIIM_M88E1145_RGMII_TX_DELAY	0x0002

#define MIIM_88E1145_PHY_LED_CONTROL	24
#define MIIM_88E1145_PHY_LED_DIRECT	0x4100

#define MIIM_88E1145_PHY_PAGE	29
#define MIIM_88E1145_PHY_CAL_OV 30

#define MIIM_88E1149_PHY_PAGE	29

/* 88E1310 PHY defines */
#define MIIM_88E1310_PHY_LED_CTRL	16
#define MIIM_88E1310_PHY_IRQ_EN		18
#define MIIM_88E1310_PHY_RGMII_CTRL	21
#define MIIM_88E1310_PHY_PAGE		22

/* 88E151x PHY defines */
/* Page 2 registers */
#define MIIM_88E151x_PHY_MSCR		21
#define MIIM_88E151x_RGMII_RX_DELAY	BIT(5)
#define MIIM_88E151x_RGMII_TX_DELAY	BIT(4)
#define MIIM_88E151x_RGMII_RXTX_DELAY	(BIT(5) | BIT(4))
/* Page 3 registers */
#define MIIM_88E151x_LED_FUNC_CTRL	16
#define MIIM_88E151x_LED_FLD_SZ		4
#define MIIM_88E151x_LED0_OFFS		(0 * MIIM_88E151x_LED_FLD_SZ)
#define MIIM_88E151x_LED1_OFFS		(1 * MIIM_88E151x_LED_FLD_SZ)
#define MIIM_88E151x_LED0_ACT		3
#define MIIM_88E151x_LED1_100_1000_LINK	6
#define MIIM_88E151x_LED_TIMER_CTRL	18
#define MIIM_88E151x_INT_EN_OFFS	7
/* Page 18 registers */
#define MIIM_88E151x_GENERAL_CTRL	20
#define MIIM_88E151x_MODE_SGMII		1
#define MIIM_88E151x_RESET_OFFS		15

static int m88e1xxx_phy_extread(struct phy_device *phydev, int addr,
				int devaddr, int regnum)
{
	int oldpage = phy_read(phydev, MDIO_DEVAD_NONE, MII_MARVELL_PHY_PAGE);
	int val;

	phy_write(phydev, MDIO_DEVAD_NONE, MII_MARVELL_PHY_PAGE, devaddr);
	val = phy_read(phydev, MDIO_DEVAD_NONE, regnum);
	phy_write(phydev, MDIO_DEVAD_NONE, MII_MARVELL_PHY_PAGE, oldpage);

	return val;
}

static int m88e1xxx_phy_extwrite(struct phy_device *phydev, int addr,
				 int devaddr, int regnum, u16 val)
{
	int oldpage = phy_read(phydev, MDIO_DEVAD_NONE, MII_MARVELL_PHY_PAGE);

	phy_write(phydev, MDIO_DEVAD_NONE, MII_MARVELL_PHY_PAGE, devaddr);
	phy_write(phydev, MDIO_DEVAD_NONE, regnum, val);
	phy_write(phydev, MDIO_DEVAD_NONE, MII_MARVELL_PHY_PAGE, oldpage);

	return 0;
}

/* Marvell 88E1011S */
static int m88e1011s_config(struct phy_device *phydev)
{
	/* Reset and configure the PHY */
	phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);

	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x200c);
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0);
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);

	phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);

	genphy_config_aneg(phydev);

	return 0;
}

/* Parse the 88E1011's status register for speed and duplex
 * information
 */
static int m88e1xxx_parse_status(struct phy_device *phydev)
{
	unsigned int speed;
	unsigned int mii_reg;

	mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1xxx_PHY_STATUS);

	if ((mii_reg & MIIM_88E1xxx_PHYSTAT_LINK) &&
	    !(mii_reg & MIIM_88E1xxx_PHYSTAT_SPDDONE)) {
		int i = 0;

		puts("Waiting for PHY realtime link");
		while (!(mii_reg & MIIM_88E1xxx_PHYSTAT_SPDDONE)) {
			/* Timeout reached ? */
			if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
				puts(" TIMEOUT !\n");
				phydev->link = 0;
				return -ETIMEDOUT;
			}

			if ((i++ % 1000) == 0)
				putc('.');
			udelay(1000);
			mii_reg = phy_read(phydev, MDIO_DEVAD_NONE,
					   MIIM_88E1xxx_PHY_STATUS);
		}
		puts(" done\n");
		mdelay(500);	/* another 500 ms (results in faster booting) */
	} else {
		if (mii_reg & MIIM_88E1xxx_PHYSTAT_LINK)
			phydev->link = 1;
		else
			phydev->link = 0;
	}

	if (mii_reg & MIIM_88E1xxx_PHYSTAT_DUPLEX)
		phydev->duplex = DUPLEX_FULL;
	else
		phydev->duplex = DUPLEX_HALF;

	speed = mii_reg & MIIM_88E1xxx_PHYSTAT_SPEED;

	switch (speed) {
	case MIIM_88E1xxx_PHYSTAT_GBIT:
		phydev->speed = SPEED_1000;
		break;
	case MIIM_88E1xxx_PHYSTAT_100:
		phydev->speed = SPEED_100;
		break;
	default:
		phydev->speed = SPEED_10;
		break;
	}

	return 0;
}

static int m88e1011s_startup(struct phy_device *phydev)
{
	int ret;

	ret = genphy_update_link(phydev);
	if (ret)
		return ret;

	return m88e1xxx_parse_status(phydev);
}

/* Marvell 88E1111S */
static int m88e1111s_config(struct phy_device *phydev)
{
	int reg;

	if (phy_interface_is_rgmii(phydev)) {
		reg = phy_read(phydev,
			       MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR);
		if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
		    (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)) {
			reg |= (MIIM_88E1111_RX_DELAY | MIIM_88E1111_TX_DELAY);
		} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
			reg &= ~MIIM_88E1111_TX_DELAY;
			reg |= MIIM_88E1111_RX_DELAY;
		} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
			reg &= ~MIIM_88E1111_RX_DELAY;
			reg |= MIIM_88E1111_TX_DELAY;
		}

		phy_write(phydev,
			  MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR, reg);

		reg = phy_read(phydev,
			       MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_SR);

		reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK);

		if (reg & MIIM_88E1111_HWCFG_FIBER_COPPER_RES)
			reg |= MIIM_88E1111_HWCFG_MODE_FIBER_RGMII;
		else
			reg |= MIIM_88E1111_HWCFG_MODE_COPPER_RGMII;

		phy_write(phydev,
			  MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_SR, reg);
	}

	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
		reg = phy_read(phydev,
			       MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_SR);

		reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK);
		reg |= MIIM_88E1111_HWCFG_MODE_SGMII_NO_CLK;
		reg |= MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO;

		phy_write(phydev, MDIO_DEVAD_NONE,
			  MIIM_88E1111_PHY_EXT_SR, reg);
	}

	if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
		reg = phy_read(phydev,
			       MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR);
		reg |= (MIIM_88E1111_RX_DELAY | MIIM_88E1111_TX_DELAY);
		phy_write(phydev,
			  MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR, reg);

		reg = phy_read(phydev, MDIO_DEVAD_NONE,
			       MIIM_88E1111_PHY_EXT_SR);
		reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK |
			MIIM_88E1111_HWCFG_FIBER_COPPER_RES);
		reg |= 0x7 | MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO;
		phy_write(phydev, MDIO_DEVAD_NONE,
			  MIIM_88E1111_PHY_EXT_SR, reg);

		/* soft reset */
		phy_reset(phydev);

		reg = phy_read(phydev, MDIO_DEVAD_NONE,
			       MIIM_88E1111_PHY_EXT_SR);
		reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK |
			 MIIM_88E1111_HWCFG_FIBER_COPPER_RES);
		reg |= MIIM_88E1111_HWCFG_MODE_COPPER_RTBI |
			MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO;
		phy_write(phydev, MDIO_DEVAD_NONE,
			  MIIM_88E1111_PHY_EXT_SR, reg);
	}

	/* soft reset */
	phy_reset(phydev);

	genphy_config_aneg(phydev);
	genphy_restart_aneg(phydev);

	return 0;
}

/**
 * m88e151x_phy_writebits - write bits to a register
 */
void m88e151x_phy_writebits(struct phy_device *phydev,
			    u8 reg_num, u16 offset, u16 len, u16 data)
{
	u16 reg, mask;

	if ((len + offset) >= 16)
		mask = 0 - (1 << offset);
	else
		mask = (1 << (len + offset)) - (1 << offset);

	reg = phy_read(phydev, MDIO_DEVAD_NONE, reg_num);

	reg &= ~mask;
	reg |= data << offset;

	phy_write(phydev, MDIO_DEVAD_NONE, reg_num, reg);
}

static int m88e151x_config(struct phy_device *phydev)
{
	u16 reg;

	/*
	 * As per Marvell Release Notes - Alaska 88E1510/88E1518/88E1512
	 * /88E1514 Rev A0, Errata Section 3.1
	 */

	/* EEE initialization */
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x00ff);
	phy_write(phydev, MDIO_DEVAD_NONE, 17, 0x214B);
	phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x2144);
	phy_write(phydev, MDIO_DEVAD_NONE, 17, 0x0C28);
	phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x2146);
	phy_write(phydev, MDIO_DEVAD_NONE, 17, 0xB233);
	phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x214D);
	phy_write(phydev, MDIO_DEVAD_NONE, 17, 0xCC0C);
	phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x2159);
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0000);

	/* SGMII-to-Copper mode initialization */
	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
		/* Select page 18 */
		phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 18);

		/* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
		m88e151x_phy_writebits(phydev, MIIM_88E151x_GENERAL_CTRL,
				       0, 3, MIIM_88E151x_MODE_SGMII);

		/* PHY reset is necessary after changing MODE[2:0] */
		m88e151x_phy_writebits(phydev, MIIM_88E151x_GENERAL_CTRL,
				       MIIM_88E151x_RESET_OFFS, 1, 1);

		/* Reset page selection */
		phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0);

		udelay(100);
	}

	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
		reg = phy_read(phydev, MDIO_DEVAD_NONE,
			       MIIM_88E1111_PHY_EXT_SR);

		reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK);
		reg |= MIIM_88E1111_HWCFG_MODE_SGMII_NO_CLK;
		reg |= MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO;

		phy_write(phydev, MDIO_DEVAD_NONE,
			  MIIM_88E1111_PHY_EXT_SR, reg);
	}

	if (phy_interface_is_rgmii(phydev)) {
		phy_write(phydev, MDIO_DEVAD_NONE, MII_MARVELL_PHY_PAGE, 2);

		reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E151x_PHY_MSCR);
		reg &= ~MIIM_88E151x_RGMII_RXTX_DELAY;
		if (phydev->interface == PHY_INTERFACE_MODE_RGMII ||
		    phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
			reg |= MIIM_88E151x_RGMII_RXTX_DELAY;
		else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
			reg |= MIIM_88E151x_RGMII_RX_DELAY;
		else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
			reg |= MIIM_88E151x_RGMII_TX_DELAY;
		phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E151x_PHY_MSCR, reg);

		phy_write(phydev, MDIO_DEVAD_NONE, MII_MARVELL_PHY_PAGE, 0);
	}

	/* soft reset */
	phy_reset(phydev);

	genphy_config_aneg(phydev);
	genphy_restart_aneg(phydev);

	return 0;
}

/* Marvell 88E1118 */
static int m88e1118_config(struct phy_device *phydev)
{
	/* Change Page Number */
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0002);
	/* Delay RGMII TX and RX */
	phy_write(phydev, MDIO_DEVAD_NONE, 0x15, 0x1070);
	/* Change Page Number */
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0003);
	/* Adjust LED control */
	phy_write(phydev, MDIO_DEVAD_NONE, 0x10, 0x021e);
	/* Change Page Number */
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0000);

	return genphy_config_aneg(phydev);
}

static int m88e1118_startup(struct phy_device *phydev)
{
	int ret;

	/* Change Page Number */
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0000);

	ret = genphy_update_link(phydev);
	if (ret)
		return ret;

	return m88e1xxx_parse_status(phydev);
}

/* Marvell 88E1121R */
static int m88e1121_config(struct phy_device *phydev)
{
	int pg;

	/* Configure the PHY */
	genphy_config_aneg(phydev);

	/* Switch the page to access the led register */
	pg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_PAGE);
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_PAGE,
		  MIIM_88E1121_PHY_LED_PAGE);
	/* Configure leds */
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_LED_CTRL,
		  MIIM_88E1121_PHY_LED_DEF);
	/* Restore the page pointer */
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_PAGE, pg);

	/* Disable IRQs and de-assert interrupt */
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_IRQ_EN, 0);
	phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_IRQ_STATUS);

	return 0;
}

/* Marvell 88E1145 */
static int m88e1145_config(struct phy_device *phydev)
{
	int reg;

	/* Errata E0, E1 */
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_PAGE, 0x001b);
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_CAL_OV, 0x418f);
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_PAGE, 0x0016);
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_CAL_OV, 0xa2da);

	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1xxx_PHY_SCR,
		  MIIM_88E1xxx_PHY_MDI_X_AUTO);

	reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_EXT_CR);
	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
		reg |= MIIM_M88E1145_RGMII_RX_DELAY |
			MIIM_M88E1145_RGMII_TX_DELAY;
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_EXT_CR, reg);

	genphy_config_aneg(phydev);

	/* soft reset */
	reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
	reg |= BMCR_RESET;
	phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, reg);

	return 0;
}

static int m88e1145_startup(struct phy_device *phydev)
{
	int ret;

	ret = genphy_update_link(phydev);
	if (ret)
		return ret;

	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_LED_CONTROL,
		  MIIM_88E1145_PHY_LED_DIRECT);
	return m88e1xxx_parse_status(phydev);
}

/* Marvell 88E1149S */
static int m88e1149_config(struct phy_device *phydev)
{
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1149_PHY_PAGE, 0x1f);
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x200c);
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1149_PHY_PAGE, 0x5);
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x0);
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);

	genphy_config_aneg(phydev);

	phy_reset(phydev);

	return 0;
}

/* Marvell 88E1310 */
static int m88e1310_config(struct phy_device *phydev)
{
	u16 reg;

	/* LED link and activity */
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_PAGE, 0x0003);
	reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_LED_CTRL);
	reg = (reg & ~0xf) | 0x1;
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_LED_CTRL, reg);

	/* Set LED2/INT to INT mode, low active */
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_PAGE, 0x0003);
	reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_IRQ_EN);
	reg = (reg & 0x77ff) | 0x0880;
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_IRQ_EN, reg);

	/* Set RGMII delay */
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_PAGE, 0x0002);
	reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_RGMII_CTRL);
	reg |= 0x0030;
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_RGMII_CTRL, reg);

	/* Ensure to return to page 0 */
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_PAGE, 0x0000);

	return genphy_config_aneg(phydev);
}

static int m88e1680_config(struct phy_device *phydev)
{
	/*
	 * As per Marvell Release Notes - Alaska V 88E1680 Rev A2
	 * Errata Section 4.1
	 */
	u16 reg;
	int res;

	/* Matrix LED mode (not neede if single LED mode is used */
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0004);
	reg = phy_read(phydev, MDIO_DEVAD_NONE, 27);
	reg |= (1 << 5);
	phy_write(phydev, MDIO_DEVAD_NONE, 27, reg);

	/* QSGMII TX amplitude change */
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x00fd);
	phy_write(phydev, MDIO_DEVAD_NONE,  8, 0x0b53);
	phy_write(phydev, MDIO_DEVAD_NONE,  7, 0x200d);
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0000);

	/* EEE initialization */
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x00ff);
	phy_write(phydev, MDIO_DEVAD_NONE, 17, 0xb030);
	phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x215c);
	phy_write(phydev, MDIO_DEVAD_NONE, 22, 0x00fc);
	phy_write(phydev, MDIO_DEVAD_NONE, 24, 0x888c);
	phy_write(phydev, MDIO_DEVAD_NONE, 25, 0x888c);
	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0000);
	phy_write(phydev, MDIO_DEVAD_NONE,  0, 0x9140);

	res = genphy_config_aneg(phydev);
	if (res < 0)
		return res;

	/* soft reset */
	reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
	reg |= BMCR_RESET;
	phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, reg);

	return 0;
}

static struct phy_driver M88E1011S_driver = {
	.name = "Marvell 88E1011S",
	.uid = 0x1410c60,
	.mask = 0xffffff0,
	.features = PHY_GBIT_FEATURES,
	.config = &m88e1011s_config,
	.startup = &m88e1011s_startup,
	.shutdown = &genphy_shutdown,
};

static struct phy_driver M88E1111S_driver = {
	.name = "Marvell 88E1111S",
	.uid = 0x1410cc0,
	.mask = 0xffffff0,
	.features = PHY_GBIT_FEATURES,
	.config = &m88e1111s_config,
	.startup = &m88e1011s_startup,
	.shutdown = &genphy_shutdown,
};

static struct phy_driver M88E1118_driver = {
	.name = "Marvell 88E1118",
	.uid = 0x1410e10,
	.mask = 0xffffff0,
	.features = PHY_GBIT_FEATURES,
	.config = &m88e1118_config,
	.startup = &m88e1118_startup,
	.shutdown = &genphy_shutdown,
};

static struct phy_driver M88E1118R_driver = {
	.name = "Marvell 88E1118R",
	.uid = 0x1410e40,
	.mask = 0xffffff0,
	.features = PHY_GBIT_FEATURES,
	.config = &m88e1118_config,
	.startup = &m88e1118_startup,
	.shutdown = &genphy_shutdown,
};

static struct phy_driver M88E1121R_driver = {
	.name = "Marvell 88E1121R",
	.uid = 0x1410cb0,
	.mask = 0xffffff0,
	.features = PHY_GBIT_FEATURES,
	.config = &m88e1121_config,
	.startup = &genphy_startup,
	.shutdown = &genphy_shutdown,
};

static struct phy_driver M88E1145_driver = {
	.name = "Marvell 88E1145",
	.uid = 0x1410cd0,
	.mask = 0xffffff0,
	.features = PHY_GBIT_FEATURES,
	.config = &m88e1145_config,
	.startup = &m88e1145_startup,
	.shutdown = &genphy_shutdown,
};

static struct phy_driver M88E1149S_driver = {
	.name = "Marvell 88E1149S",
	.uid = 0x1410ca0,
	.mask = 0xffffff0,
	.features = PHY_GBIT_FEATURES,
	.config = &m88e1149_config,
	.startup = &m88e1011s_startup,
	.shutdown = &genphy_shutdown,
};

static struct phy_driver M88E151x_driver = {
	.name = "Marvell 88E151x",
	.uid = 0x1410dd0,
	.mask = 0xffffff0,
	.features = PHY_GBIT_FEATURES,
	.config = &m88e151x_config,
	.startup = &m88e1011s_startup,
	.shutdown = &genphy_shutdown,
	.readext = &m88e1xxx_phy_extread,
	.writeext = &m88e1xxx_phy_extwrite,
};

static struct phy_driver M88E1310_driver = {
	.name = "Marvell 88E1310",
	.uid = 0x01410e90,
	.mask = 0xffffff0,
	.features = PHY_GBIT_FEATURES,
	.config = &m88e1310_config,
	.startup = &m88e1011s_startup,
	.shutdown = &genphy_shutdown,
};

static struct phy_driver M88E1680_driver = {
	.name = "Marvell 88E1680",
	.uid = 0x1410ed0,
	.mask = 0xffffff0,
	.features = PHY_GBIT_FEATURES,
	.config = &m88e1680_config,
	.startup = &genphy_startup,
	.shutdown = &genphy_shutdown,
};

int phy_marvell_init(void)
{
	phy_register(&M88E1310_driver);
	phy_register(&M88E1149S_driver);
	phy_register(&M88E1145_driver);
	phy_register(&M88E1121R_driver);
	phy_register(&M88E1118_driver);
	phy_register(&M88E1118R_driver);
	phy_register(&M88E1111S_driver);
	phy_register(&M88E1011S_driver);
	phy_register(&M88E151x_driver);
	phy_register(&M88E1680_driver);

	return 0;
}