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v3.1
  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 * This program is free software; you can redistribute  it and/or modify it
 11 * under  the terms of  the GNU General  Public License as published by the
 12 * Free Software Foundation;  either version 2 of the  License, or (at your
 13 * option) any later version.
 14 *
 15 */
 16#include <linux/kernel.h>
 17#include <linux/string.h>
 18#include <linux/errno.h>
 19#include <linux/unistd.h>
 20#include <linux/interrupt.h>
 21#include <linux/init.h>
 22#include <linux/delay.h>
 23#include <linux/netdevice.h>
 24#include <linux/etherdevice.h>
 25#include <linux/skbuff.h>
 26#include <linux/spinlock.h>
 27#include <linux/mm.h>
 28#include <linux/module.h>
 29#include <linux/mii.h>
 30#include <linux/ethtool.h>
 31#include <linux/phy.h>
 32#include <linux/marvell_phy.h>
 33#include <linux/of.h>
 34
 35#include <asm/io.h>
 36#include <asm/irq.h>
 37#include <asm/uaccess.h>
 38
 39#define MII_MARVELL_PHY_PAGE		22
 40
 41#define MII_M1011_IEVENT		0x13
 42#define MII_M1011_IEVENT_CLEAR		0x0000
 43
 44#define MII_M1011_IMASK			0x12
 45#define MII_M1011_IMASK_INIT		0x6400
 46#define MII_M1011_IMASK_CLEAR		0x0000
 47
 48#define MII_M1011_PHY_SCR		0x10
 
 
 49#define MII_M1011_PHY_SCR_AUTO_CROSS	0x0060
 50
 
 
 51#define MII_M1145_PHY_EXT_CR		0x14
 52#define MII_M1145_RGMII_RX_DELAY	0x0080
 53#define MII_M1145_RGMII_TX_DELAY	0x0002
 
 
 
 
 
 
 
 54
 55#define MII_M1111_PHY_LED_CONTROL	0x18
 56#define MII_M1111_PHY_LED_DIRECT	0x4100
 57#define MII_M1111_PHY_LED_COMBINE	0x411c
 58#define MII_M1111_PHY_EXT_CR		0x14
 59#define MII_M1111_RX_DELAY		0x80
 60#define MII_M1111_TX_DELAY		0x2
 61#define MII_M1111_PHY_EXT_SR		0x1b
 62
 63#define MII_M1111_HWCFG_MODE_MASK		0xf
 64#define MII_M1111_HWCFG_MODE_COPPER_RGMII	0xb
 65#define MII_M1111_HWCFG_MODE_FIBER_RGMII	0x3
 66#define MII_M1111_HWCFG_MODE_SGMII_NO_CLK	0x4
 67#define MII_M1111_HWCFG_MODE_COPPER_RTBI	0x9
 68#define MII_M1111_HWCFG_FIBER_COPPER_AUTO	0x8000
 69#define MII_M1111_HWCFG_FIBER_COPPER_RES	0x2000
 70
 71#define MII_M1111_COPPER		0
 72#define MII_M1111_FIBER			1
 73
 74#define MII_88E1121_PHY_MSCR_PAGE	2
 75#define MII_88E1121_PHY_MSCR_REG	21
 76#define MII_88E1121_PHY_MSCR_RX_DELAY	BIT(5)
 77#define MII_88E1121_PHY_MSCR_TX_DELAY	BIT(4)
 78#define MII_88E1121_PHY_MSCR_DELAY_MASK	(~(0x3 << 4))
 79
 80#define MII_88E1318S_PHY_MSCR1_REG	16
 81#define MII_88E1318S_PHY_MSCR1_PAD_ODD	BIT(6)
 82
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 83#define MII_88E1121_PHY_LED_CTRL	16
 84#define MII_88E1121_PHY_LED_PAGE	3
 85#define MII_88E1121_PHY_LED_DEF		0x0030
 86
 87#define MII_M1011_PHY_STATUS		0x11
 88#define MII_M1011_PHY_STATUS_1000	0x8000
 89#define MII_M1011_PHY_STATUS_100	0x4000
 90#define MII_M1011_PHY_STATUS_SPD_MASK	0xc000
 91#define MII_M1011_PHY_STATUS_FULLDUPLEX	0x2000
 92#define MII_M1011_PHY_STATUS_RESOLVED	0x0800
 93#define MII_M1011_PHY_STATUS_LINK	0x0400
 94
 
 
 
 
 
 
 
 
 
 
 95
 96MODULE_DESCRIPTION("Marvell PHY driver");
 97MODULE_AUTHOR("Andy Fleming");
 98MODULE_LICENSE("GPL");
 99
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
100static int marvell_ack_interrupt(struct phy_device *phydev)
101{
102	int err;
103
104	/* Clear the interrupts by reading the reg */
105	err = phy_read(phydev, MII_M1011_IEVENT);
106
107	if (err < 0)
108		return err;
109
110	return 0;
111}
112
113static int marvell_config_intr(struct phy_device *phydev)
114{
115	int err;
116
117	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
118		err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_INIT);
119	else
120		err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_CLEAR);
121
122	return err;
123}
124
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
125static int marvell_config_aneg(struct phy_device *phydev)
126{
127	int err;
128
129	/* The Marvell PHY has an errata which requires
130	 * that certain registers get written in order
131	 * to restart autonegotiation */
132	err = phy_write(phydev, MII_BMCR, BMCR_RESET);
133
134	if (err < 0)
135		return err;
136
137	err = phy_write(phydev, 0x1d, 0x1f);
138	if (err < 0)
139		return err;
140
141	err = phy_write(phydev, 0x1e, 0x200c);
142	if (err < 0)
143		return err;
144
145	err = phy_write(phydev, 0x1d, 0x5);
146	if (err < 0)
147		return err;
148
149	err = phy_write(phydev, 0x1e, 0);
150	if (err < 0)
151		return err;
152
153	err = phy_write(phydev, 0x1e, 0x100);
154	if (err < 0)
155		return err;
156
157	err = phy_write(phydev, MII_M1011_PHY_SCR,
158			MII_M1011_PHY_SCR_AUTO_CROSS);
159	if (err < 0)
160		return err;
161
162	err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
163			MII_M1111_PHY_LED_DIRECT);
164	if (err < 0)
165		return err;
166
167	err = genphy_config_aneg(phydev);
168	if (err < 0)
169		return err;
170
171	if (phydev->autoneg != AUTONEG_ENABLE) {
172		int bmcr;
173
174		/*
175		 * A write to speed/duplex bits (that is performed by
176		 * genphy_config_aneg() call above) must be followed by
177		 * a software reset. Otherwise, the write has no effect.
178		 */
179		bmcr = phy_read(phydev, MII_BMCR);
180		if (bmcr < 0)
181			return bmcr;
182
183		err = phy_write(phydev, MII_BMCR, bmcr | BMCR_RESET);
184		if (err < 0)
185			return err;
186	}
187
188	return 0;
189}
190
191#ifdef CONFIG_OF_MDIO
192/*
193 * Set and/or override some configuration registers based on the
194 * marvell,reg-init property stored in the of_node for the phydev.
195 *
196 * marvell,reg-init = <reg-page reg mask value>,...;
197 *
198 * There may be one or more sets of <reg-page reg mask value>:
199 *
200 * reg-page: which register bank to use.
201 * reg: the register.
202 * mask: if non-zero, ANDed with existing register value.
203 * value: ORed with the masked value and written to the regiser.
204 *
205 */
206static int marvell_of_reg_init(struct phy_device *phydev)
207{
208	const __be32 *paddr;
209	int len, i, saved_page, current_page, page_changed, ret;
210
211	if (!phydev->dev.of_node)
212		return 0;
213
214	paddr = of_get_property(phydev->dev.of_node, "marvell,reg-init", &len);
 
215	if (!paddr || len < (4 * sizeof(*paddr)))
216		return 0;
217
218	saved_page = phy_read(phydev, MII_MARVELL_PHY_PAGE);
219	if (saved_page < 0)
220		return saved_page;
221	page_changed = 0;
222	current_page = saved_page;
223
224	ret = 0;
225	len /= sizeof(*paddr);
226	for (i = 0; i < len - 3; i += 4) {
227		u16 reg_page = be32_to_cpup(paddr + i);
228		u16 reg = be32_to_cpup(paddr + i + 1);
229		u16 mask = be32_to_cpup(paddr + i + 2);
230		u16 val_bits = be32_to_cpup(paddr + i + 3);
231		int val;
232
233		if (reg_page != current_page) {
234			current_page = reg_page;
235			page_changed = 1;
236			ret = phy_write(phydev, MII_MARVELL_PHY_PAGE, reg_page);
237			if (ret < 0)
238				goto err;
239		}
240
241		val = 0;
242		if (mask) {
243			val = phy_read(phydev, reg);
244			if (val < 0) {
245				ret = val;
246				goto err;
247			}
248			val &= mask;
249		}
250		val |= val_bits;
251
252		ret = phy_write(phydev, reg, val);
253		if (ret < 0)
254			goto err;
255
256	}
257err:
258	if (page_changed) {
259		i = phy_write(phydev, MII_MARVELL_PHY_PAGE, saved_page);
260		if (ret == 0)
261			ret = i;
262	}
263	return ret;
264}
265#else
266static int marvell_of_reg_init(struct phy_device *phydev)
267{
268	return 0;
269}
270#endif /* CONFIG_OF_MDIO */
271
272static int m88e1121_config_aneg(struct phy_device *phydev)
273{
274	int err, oldpage, mscr;
275
276	oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
277
278	err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
279			MII_88E1121_PHY_MSCR_PAGE);
280	if (err < 0)
281		return err;
282
283	if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
284	    (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) ||
285	    (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
286	    (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) {
287
288		mscr = phy_read(phydev, MII_88E1121_PHY_MSCR_REG) &
289			MII_88E1121_PHY_MSCR_DELAY_MASK;
290
291		if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
292			mscr |= (MII_88E1121_PHY_MSCR_RX_DELAY |
293				 MII_88E1121_PHY_MSCR_TX_DELAY);
294		else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
295			mscr |= MII_88E1121_PHY_MSCR_RX_DELAY;
296		else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
297			mscr |= MII_88E1121_PHY_MSCR_TX_DELAY;
298
299		err = phy_write(phydev, MII_88E1121_PHY_MSCR_REG, mscr);
300		if (err < 0)
301			return err;
302	}
303
304	phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
305
306	err = phy_write(phydev, MII_BMCR, BMCR_RESET);
307	if (err < 0)
308		return err;
309
310	err = phy_write(phydev, MII_M1011_PHY_SCR,
311			MII_M1011_PHY_SCR_AUTO_CROSS);
312	if (err < 0)
313		return err;
314
315	oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
316
317	phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1121_PHY_LED_PAGE);
318	phy_write(phydev, MII_88E1121_PHY_LED_CTRL, MII_88E1121_PHY_LED_DEF);
319	phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
320
321	err = genphy_config_aneg(phydev);
322
323	return err;
324}
325
326static int m88e1318_config_aneg(struct phy_device *phydev)
327{
328	int err, oldpage, mscr;
329
330	oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
331
332	err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
333			MII_88E1121_PHY_MSCR_PAGE);
334	if (err < 0)
335		return err;
336
337	mscr = phy_read(phydev, MII_88E1318S_PHY_MSCR1_REG);
338	mscr |= MII_88E1318S_PHY_MSCR1_PAD_ODD;
339
340	err = phy_write(phydev, MII_88E1318S_PHY_MSCR1_REG, mscr);
341	if (err < 0)
342		return err;
343
344	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
345	if (err < 0)
346		return err;
347
348	return m88e1121_config_aneg(phydev);
349}
350
351static int m88e1111_config_init(struct phy_device *phydev)
352{
353	int err;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
354	int temp;
 
 
 
 
 
 
 
355
356	/* Enable Fiber/Copper auto selection */
357	temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
358	temp &= ~MII_M1111_HWCFG_FIBER_COPPER_AUTO;
359	phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
360
361	temp = phy_read(phydev, MII_BMCR);
362	temp |= BMCR_RESET;
363	phy_write(phydev, MII_BMCR, temp);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
364
365	if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
366	    (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) ||
367	    (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
368	    (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) {
369
370		temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
371		if (temp < 0)
372			return temp;
373
374		if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
375			temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
376		} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
377			temp &= ~MII_M1111_TX_DELAY;
378			temp |= MII_M1111_RX_DELAY;
379		} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
380			temp &= ~MII_M1111_RX_DELAY;
381			temp |= MII_M1111_TX_DELAY;
382		}
383
384		err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
385		if (err < 0)
386			return err;
387
388		temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
389		if (temp < 0)
390			return temp;
391
392		temp &= ~(MII_M1111_HWCFG_MODE_MASK);
393
394		if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES)
395			temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
396		else
397			temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
398
399		err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
400		if (err < 0)
401			return err;
402	}
403
404	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
405		temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
406		if (temp < 0)
407			return temp;
408
409		temp &= ~(MII_M1111_HWCFG_MODE_MASK);
410		temp |= MII_M1111_HWCFG_MODE_SGMII_NO_CLK;
411		temp |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
412
413		err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
414		if (err < 0)
415			return err;
 
 
 
 
 
 
 
 
 
 
416	}
417
418	if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
419		temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
420		if (temp < 0)
421			return temp;
422		temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
423		err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
424		if (err < 0)
425			return err;
426
427		temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
428		if (temp < 0)
429			return temp;
430		temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
431		temp |= 0x7 | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
432		err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
433		if (err < 0)
434			return err;
435
436		/* soft reset */
437		err = phy_write(phydev, MII_BMCR, BMCR_RESET);
438		if (err < 0)
439			return err;
440		do
441			temp = phy_read(phydev, MII_BMCR);
442		while (temp & BMCR_RESET);
443
444		temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
445		if (temp < 0)
446			return temp;
447		temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
448		temp |= MII_M1111_HWCFG_MODE_COPPER_RTBI | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
449		err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
450		if (err < 0)
451			return err;
452	}
453
454	err = marvell_of_reg_init(phydev);
455	if (err < 0)
456		return err;
457
458	err = phy_write(phydev, MII_BMCR, BMCR_RESET);
459	if (err < 0)
460		return err;
461
462	return 0;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
463}
464
465static int m88e1118_config_aneg(struct phy_device *phydev)
466{
467	int err;
468
469	err = phy_write(phydev, MII_BMCR, BMCR_RESET);
470	if (err < 0)
471		return err;
472
473	err = phy_write(phydev, MII_M1011_PHY_SCR,
474			MII_M1011_PHY_SCR_AUTO_CROSS);
475	if (err < 0)
476		return err;
477
478	err = genphy_config_aneg(phydev);
479	return 0;
480}
481
482static int m88e1118_config_init(struct phy_device *phydev)
483{
484	int err;
485
486	/* Change address */
487	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
488	if (err < 0)
489		return err;
490
491	/* Enable 1000 Mbit */
492	err = phy_write(phydev, 0x15, 0x1070);
493	if (err < 0)
494		return err;
495
496	/* Change address */
497	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0003);
498	if (err < 0)
499		return err;
500
501	/* Adjust LED Control */
502	if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS)
503		err = phy_write(phydev, 0x10, 0x1100);
504	else
505		err = phy_write(phydev, 0x10, 0x021e);
506	if (err < 0)
507		return err;
508
509	err = marvell_of_reg_init(phydev);
510	if (err < 0)
511		return err;
512
513	/* Reset address */
514	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
515	if (err < 0)
516		return err;
517
518	err = phy_write(phydev, MII_BMCR, BMCR_RESET);
519	if (err < 0)
520		return err;
521
522	return 0;
523}
524
525static int m88e1149_config_init(struct phy_device *phydev)
526{
527	int err;
528
529	/* Change address */
530	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
531	if (err < 0)
532		return err;
533
534	/* Enable 1000 Mbit */
535	err = phy_write(phydev, 0x15, 0x1048);
536	if (err < 0)
537		return err;
538
539	err = marvell_of_reg_init(phydev);
540	if (err < 0)
541		return err;
542
543	/* Reset address */
544	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
545	if (err < 0)
546		return err;
547
548	err = phy_write(phydev, MII_BMCR, BMCR_RESET);
549	if (err < 0)
550		return err;
551
552	return 0;
553}
554
555static int m88e1145_config_init(struct phy_device *phydev)
556{
557	int err;
 
558
559	/* Take care of errata E0 & E1 */
560	err = phy_write(phydev, 0x1d, 0x001b);
561	if (err < 0)
562		return err;
563
564	err = phy_write(phydev, 0x1e, 0x418f);
565	if (err < 0)
566		return err;
567
568	err = phy_write(phydev, 0x1d, 0x0016);
569	if (err < 0)
570		return err;
571
572	err = phy_write(phydev, 0x1e, 0xa2da);
573	if (err < 0)
574		return err;
575
576	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
577		int temp = phy_read(phydev, MII_M1145_PHY_EXT_CR);
578		if (temp < 0)
579			return temp;
580
581		temp |= (MII_M1145_RGMII_RX_DELAY | MII_M1145_RGMII_TX_DELAY);
582
583		err = phy_write(phydev, MII_M1145_PHY_EXT_CR, temp);
584		if (err < 0)
585			return err;
586
587		if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
588			err = phy_write(phydev, 0x1d, 0x0012);
589			if (err < 0)
590				return err;
591
592			temp = phy_read(phydev, 0x1e);
593			if (temp < 0)
594				return temp;
595
596			temp &= 0xf03f;
597			temp |= 2 << 9;	/* 36 ohm */
598			temp |= 2 << 6;	/* 39 ohm */
599
600			err = phy_write(phydev, 0x1e, temp);
601			if (err < 0)
602				return err;
603
604			err = phy_write(phydev, 0x1d, 0x3);
605			if (err < 0)
606				return err;
607
608			err = phy_write(phydev, 0x1e, 0x8000);
609			if (err < 0)
610				return err;
611		}
612	}
613
 
 
 
 
 
 
 
 
 
 
 
 
 
 
614	err = marvell_of_reg_init(phydev);
615	if (err < 0)
616		return err;
617
618	return 0;
619}
620
621/* marvell_read_status
622 *
623 * Generic status code does not detect Fiber correctly!
624 * Description:
625 *   Check the link, then figure out the current state
626 *   by comparing what we advertise with what the link partner
627 *   advertises.  Start by checking the gigabit possibilities,
628 *   then move on to 10/100.
629 */
630static int marvell_read_status(struct phy_device *phydev)
631{
632	int adv;
633	int err;
634	int lpa;
 
635	int status = 0;
636
637	/* Update the link, but return if there
638	 * was an error */
639	err = genphy_update_link(phydev);
640	if (err)
641		return err;
642
643	if (AUTONEG_ENABLE == phydev->autoneg) {
644		status = phy_read(phydev, MII_M1011_PHY_STATUS);
645		if (status < 0)
646			return status;
647
648		lpa = phy_read(phydev, MII_LPA);
649		if (lpa < 0)
650			return lpa;
651
 
 
 
 
652		adv = phy_read(phydev, MII_ADVERTISE);
653		if (adv < 0)
654			return adv;
655
 
 
 
656		lpa &= adv;
657
658		if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
659			phydev->duplex = DUPLEX_FULL;
660		else
661			phydev->duplex = DUPLEX_HALF;
662
663		status = status & MII_M1011_PHY_STATUS_SPD_MASK;
664		phydev->pause = phydev->asym_pause = 0;
665
666		switch (status) {
667		case MII_M1011_PHY_STATUS_1000:
668			phydev->speed = SPEED_1000;
669			break;
670
671		case MII_M1011_PHY_STATUS_100:
672			phydev->speed = SPEED_100;
673			break;
674
675		default:
676			phydev->speed = SPEED_10;
677			break;
678		}
679
680		if (phydev->duplex == DUPLEX_FULL) {
681			phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
682			phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
683		}
684	} else {
685		int bmcr = phy_read(phydev, MII_BMCR);
686
687		if (bmcr < 0)
688			return bmcr;
689
690		if (bmcr & BMCR_FULLDPLX)
691			phydev->duplex = DUPLEX_FULL;
692		else
693			phydev->duplex = DUPLEX_HALF;
694
695		if (bmcr & BMCR_SPEED1000)
696			phydev->speed = SPEED_1000;
697		else if (bmcr & BMCR_SPEED100)
698			phydev->speed = SPEED_100;
699		else
700			phydev->speed = SPEED_10;
701
702		phydev->pause = phydev->asym_pause = 0;
 
703	}
704
705	return 0;
706}
707
 
 
 
 
 
 
708static int m88e1121_did_interrupt(struct phy_device *phydev)
709{
710	int imask;
711
712	imask = phy_read(phydev, MII_M1011_IEVENT);
713
714	if (imask & MII_M1011_IMASK_INIT)
715		return 1;
716
717	return 0;
718}
719
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
720static struct phy_driver marvell_drivers[] = {
721	{
722		.phy_id = MARVELL_PHY_ID_88E1101,
723		.phy_id_mask = MARVELL_PHY_ID_MASK,
724		.name = "Marvell 88E1101",
725		.features = PHY_GBIT_FEATURES,
 
726		.flags = PHY_HAS_INTERRUPT,
 
727		.config_aneg = &marvell_config_aneg,
728		.read_status = &genphy_read_status,
729		.ack_interrupt = &marvell_ack_interrupt,
730		.config_intr = &marvell_config_intr,
731		.driver = { .owner = THIS_MODULE },
 
 
 
 
732	},
733	{
734		.phy_id = MARVELL_PHY_ID_88E1112,
735		.phy_id_mask = MARVELL_PHY_ID_MASK,
736		.name = "Marvell 88E1112",
737		.features = PHY_GBIT_FEATURES,
738		.flags = PHY_HAS_INTERRUPT,
 
739		.config_init = &m88e1111_config_init,
740		.config_aneg = &marvell_config_aneg,
741		.read_status = &genphy_read_status,
742		.ack_interrupt = &marvell_ack_interrupt,
743		.config_intr = &marvell_config_intr,
744		.driver = { .owner = THIS_MODULE },
 
 
 
 
745	},
746	{
747		.phy_id = MARVELL_PHY_ID_88E1111,
748		.phy_id_mask = MARVELL_PHY_ID_MASK,
749		.name = "Marvell 88E1111",
750		.features = PHY_GBIT_FEATURES,
751		.flags = PHY_HAS_INTERRUPT,
 
752		.config_init = &m88e1111_config_init,
753		.config_aneg = &marvell_config_aneg,
754		.read_status = &marvell_read_status,
755		.ack_interrupt = &marvell_ack_interrupt,
756		.config_intr = &marvell_config_intr,
757		.driver = { .owner = THIS_MODULE },
 
 
 
 
758	},
759	{
760		.phy_id = MARVELL_PHY_ID_88E1118,
761		.phy_id_mask = MARVELL_PHY_ID_MASK,
762		.name = "Marvell 88E1118",
763		.features = PHY_GBIT_FEATURES,
764		.flags = PHY_HAS_INTERRUPT,
 
765		.config_init = &m88e1118_config_init,
766		.config_aneg = &m88e1118_config_aneg,
767		.read_status = &genphy_read_status,
768		.ack_interrupt = &marvell_ack_interrupt,
769		.config_intr = &marvell_config_intr,
770		.driver = {.owner = THIS_MODULE,},
 
 
 
 
771	},
772	{
773		.phy_id = MARVELL_PHY_ID_88E1121R,
774		.phy_id_mask = MARVELL_PHY_ID_MASK,
775		.name = "Marvell 88E1121R",
776		.features = PHY_GBIT_FEATURES,
777		.flags = PHY_HAS_INTERRUPT,
 
 
778		.config_aneg = &m88e1121_config_aneg,
779		.read_status = &marvell_read_status,
780		.ack_interrupt = &marvell_ack_interrupt,
781		.config_intr = &marvell_config_intr,
782		.did_interrupt = &m88e1121_did_interrupt,
783		.driver = { .owner = THIS_MODULE },
 
 
 
 
784	},
785	{
786		.phy_id = MARVELL_PHY_ID_88E1318S,
787		.phy_id_mask = MARVELL_PHY_ID_MASK,
788		.name = "Marvell 88E1318S",
789		.features = PHY_GBIT_FEATURES,
790		.flags = PHY_HAS_INTERRUPT,
 
 
791		.config_aneg = &m88e1318_config_aneg,
792		.read_status = &marvell_read_status,
793		.ack_interrupt = &marvell_ack_interrupt,
794		.config_intr = &marvell_config_intr,
795		.did_interrupt = &m88e1121_did_interrupt,
796		.driver = { .owner = THIS_MODULE },
 
 
 
 
 
 
797	},
798	{
799		.phy_id = MARVELL_PHY_ID_88E1145,
800		.phy_id_mask = MARVELL_PHY_ID_MASK,
801		.name = "Marvell 88E1145",
802		.features = PHY_GBIT_FEATURES,
803		.flags = PHY_HAS_INTERRUPT,
 
804		.config_init = &m88e1145_config_init,
805		.config_aneg = &marvell_config_aneg,
806		.read_status = &genphy_read_status,
807		.ack_interrupt = &marvell_ack_interrupt,
808		.config_intr = &marvell_config_intr,
809		.driver = { .owner = THIS_MODULE },
 
 
 
 
810	},
811	{
812		.phy_id = MARVELL_PHY_ID_88E1149R,
813		.phy_id_mask = MARVELL_PHY_ID_MASK,
814		.name = "Marvell 88E1149R",
815		.features = PHY_GBIT_FEATURES,
816		.flags = PHY_HAS_INTERRUPT,
 
817		.config_init = &m88e1149_config_init,
818		.config_aneg = &m88e1118_config_aneg,
819		.read_status = &genphy_read_status,
820		.ack_interrupt = &marvell_ack_interrupt,
821		.config_intr = &marvell_config_intr,
822		.driver = { .owner = THIS_MODULE },
 
 
 
 
823	},
824	{
825		.phy_id = MARVELL_PHY_ID_88E1240,
826		.phy_id_mask = MARVELL_PHY_ID_MASK,
827		.name = "Marvell 88E1240",
828		.features = PHY_GBIT_FEATURES,
829		.flags = PHY_HAS_INTERRUPT,
 
830		.config_init = &m88e1111_config_init,
831		.config_aneg = &marvell_config_aneg,
832		.read_status = &genphy_read_status,
833		.ack_interrupt = &marvell_ack_interrupt,
834		.config_intr = &marvell_config_intr,
835		.driver = { .owner = THIS_MODULE },
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
836	},
837};
838
839static int __init marvell_init(void)
840{
841	int ret;
842	int i;
843
844	for (i = 0; i < ARRAY_SIZE(marvell_drivers); i++) {
845		ret = phy_driver_register(&marvell_drivers[i]);
846
847		if (ret) {
848			while (i-- > 0)
849				phy_driver_unregister(&marvell_drivers[i]);
850			return ret;
851		}
852	}
853
854	return 0;
855}
856
857static void __exit marvell_exit(void)
858{
859	int i;
860
861	for (i = 0; i < ARRAY_SIZE(marvell_drivers); i++)
862		phy_driver_unregister(&marvell_drivers[i]);
863}
864
865module_init(marvell_init);
866module_exit(marvell_exit);
867
868static struct mdio_device_id __maybe_unused marvell_tbl[] = {
869	{ 0x01410c60, 0xfffffff0 },
870	{ 0x01410c90, 0xfffffff0 },
871	{ 0x01410cc0, 0xfffffff0 },
872	{ 0x01410e10, 0xfffffff0 },
873	{ 0x01410cb0, 0xfffffff0 },
874	{ 0x01410cd0, 0xfffffff0 },
875	{ 0x01410e50, 0xfffffff0 },
876	{ 0x01410e30, 0xfffffff0 },
877	{ 0x01410e90, 0xfffffff0 },
 
 
 
 
878	{ }
879};
880
881MODULE_DEVICE_TABLE(mdio, marvell_tbl);
v4.6
   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/errno.h>
  21#include <linux/unistd.h>
  22#include <linux/interrupt.h>
  23#include <linux/init.h>
  24#include <linux/delay.h>
  25#include <linux/netdevice.h>
  26#include <linux/etherdevice.h>
  27#include <linux/skbuff.h>
  28#include <linux/spinlock.h>
  29#include <linux/mm.h>
  30#include <linux/module.h>
  31#include <linux/mii.h>
  32#include <linux/ethtool.h>
  33#include <linux/phy.h>
  34#include <linux/marvell_phy.h>
  35#include <linux/of.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
  43#define MII_M1011_IEVENT		0x13
  44#define MII_M1011_IEVENT_CLEAR		0x0000
  45
  46#define MII_M1011_IMASK			0x12
  47#define MII_M1011_IMASK_INIT		0x6400
  48#define MII_M1011_IMASK_CLEAR		0x0000
  49
  50#define MII_M1011_PHY_SCR		0x10
  51#define MII_M1011_PHY_SCR_MDI		0x0000
  52#define MII_M1011_PHY_SCR_MDI_X		0x0020
  53#define MII_M1011_PHY_SCR_AUTO_CROSS	0x0060
  54
  55#define MII_M1145_PHY_EXT_ADDR_PAGE	0x16
  56#define MII_M1145_PHY_EXT_SR		0x1b
  57#define MII_M1145_PHY_EXT_CR		0x14
  58#define MII_M1145_RGMII_RX_DELAY	0x0080
  59#define MII_M1145_RGMII_TX_DELAY	0x0002
  60#define MII_M1145_HWCFG_MODE_SGMII_NO_CLK	0x4
  61#define MII_M1145_HWCFG_MODE_MASK		0xf
  62#define MII_M1145_HWCFG_FIBER_COPPER_AUTO	0x8000
  63
  64#define MII_M1145_HWCFG_MODE_SGMII_NO_CLK	0x4
  65#define MII_M1145_HWCFG_MODE_MASK		0xf
  66#define MII_M1145_HWCFG_FIBER_COPPER_AUTO	0x8000
  67
  68#define MII_M1111_PHY_LED_CONTROL	0x18
  69#define MII_M1111_PHY_LED_DIRECT	0x4100
  70#define MII_M1111_PHY_LED_COMBINE	0x411c
  71#define MII_M1111_PHY_EXT_CR		0x14
  72#define MII_M1111_RX_DELAY		0x80
  73#define MII_M1111_TX_DELAY		0x2
  74#define MII_M1111_PHY_EXT_SR		0x1b
  75
  76#define MII_M1111_HWCFG_MODE_MASK		0xf
  77#define MII_M1111_HWCFG_MODE_COPPER_RGMII	0xb
  78#define MII_M1111_HWCFG_MODE_FIBER_RGMII	0x3
  79#define MII_M1111_HWCFG_MODE_SGMII_NO_CLK	0x4
  80#define MII_M1111_HWCFG_MODE_COPPER_RTBI	0x9
  81#define MII_M1111_HWCFG_FIBER_COPPER_AUTO	0x8000
  82#define MII_M1111_HWCFG_FIBER_COPPER_RES	0x2000
  83
  84#define MII_M1111_COPPER		0
  85#define MII_M1111_FIBER			1
  86
  87#define MII_88E1121_PHY_MSCR_PAGE	2
  88#define MII_88E1121_PHY_MSCR_REG	21
  89#define MII_88E1121_PHY_MSCR_RX_DELAY	BIT(5)
  90#define MII_88E1121_PHY_MSCR_TX_DELAY	BIT(4)
  91#define MII_88E1121_PHY_MSCR_DELAY_MASK	(~(0x3 << 4))
  92
  93#define MII_88E1318S_PHY_MSCR1_REG	16
  94#define MII_88E1318S_PHY_MSCR1_PAD_ODD	BIT(6)
  95
  96/* Copper Specific Interrupt Enable Register */
  97#define MII_88E1318S_PHY_CSIER                              0x12
  98/* WOL Event Interrupt Enable */
  99#define MII_88E1318S_PHY_CSIER_WOL_EIE                      BIT(7)
 100
 101/* LED Timer Control Register */
 102#define MII_88E1318S_PHY_LED_PAGE                           0x03
 103#define MII_88E1318S_PHY_LED_TCR                            0x12
 104#define MII_88E1318S_PHY_LED_TCR_FORCE_INT                  BIT(15)
 105#define MII_88E1318S_PHY_LED_TCR_INTn_ENABLE                BIT(7)
 106#define MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW             BIT(11)
 107
 108/* Magic Packet MAC address registers */
 109#define MII_88E1318S_PHY_MAGIC_PACKET_WORD2                 0x17
 110#define MII_88E1318S_PHY_MAGIC_PACKET_WORD1                 0x18
 111#define MII_88E1318S_PHY_MAGIC_PACKET_WORD0                 0x19
 112
 113#define MII_88E1318S_PHY_WOL_PAGE                           0x11
 114#define MII_88E1318S_PHY_WOL_CTRL                           0x10
 115#define MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS          BIT(12)
 116#define MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE BIT(14)
 117
 118#define MII_88E1121_PHY_LED_CTRL	16
 119#define MII_88E1121_PHY_LED_PAGE	3
 120#define MII_88E1121_PHY_LED_DEF		0x0030
 121
 122#define MII_M1011_PHY_STATUS		0x11
 123#define MII_M1011_PHY_STATUS_1000	0x8000
 124#define MII_M1011_PHY_STATUS_100	0x4000
 125#define MII_M1011_PHY_STATUS_SPD_MASK	0xc000
 126#define MII_M1011_PHY_STATUS_FULLDUPLEX	0x2000
 127#define MII_M1011_PHY_STATUS_RESOLVED	0x0800
 128#define MII_M1011_PHY_STATUS_LINK	0x0400
 129
 130#define MII_M1116R_CONTROL_REG_MAC	21
 131
 132#define MII_88E3016_PHY_SPEC_CTRL	0x10
 133#define MII_88E3016_DISABLE_SCRAMBLER	0x0200
 134#define MII_88E3016_AUTO_MDIX_CROSSOVER	0x0030
 135
 136#define MII_88E1510_GEN_CTRL_REG_1		0x14
 137#define MII_88E1510_GEN_CTRL_REG_1_MODE_MASK	0x7
 138#define MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII	0x1	/* SGMII to copper */
 139#define MII_88E1510_GEN_CTRL_REG_1_RESET	0x8000	/* Soft reset */
 140
 141MODULE_DESCRIPTION("Marvell PHY driver");
 142MODULE_AUTHOR("Andy Fleming");
 143MODULE_LICENSE("GPL");
 144
 145struct marvell_hw_stat {
 146	const char *string;
 147	u8 page;
 148	u8 reg;
 149	u8 bits;
 150};
 151
 152static struct marvell_hw_stat marvell_hw_stats[] = {
 153	{ "phy_receive_errors", 0, 21, 16},
 154	{ "phy_idle_errors", 0, 10, 8 },
 155};
 156
 157struct marvell_priv {
 158	u64 stats[ARRAY_SIZE(marvell_hw_stats)];
 159};
 160
 161static int marvell_ack_interrupt(struct phy_device *phydev)
 162{
 163	int err;
 164
 165	/* Clear the interrupts by reading the reg */
 166	err = phy_read(phydev, MII_M1011_IEVENT);
 167
 168	if (err < 0)
 169		return err;
 170
 171	return 0;
 172}
 173
 174static int marvell_config_intr(struct phy_device *phydev)
 175{
 176	int err;
 177
 178	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
 179		err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_INIT);
 180	else
 181		err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_CLEAR);
 182
 183	return err;
 184}
 185
 186static int marvell_set_polarity(struct phy_device *phydev, int polarity)
 187{
 188	int reg;
 189	int err;
 190	int val;
 191
 192	/* get the current settings */
 193	reg = phy_read(phydev, MII_M1011_PHY_SCR);
 194	if (reg < 0)
 195		return reg;
 196
 197	val = reg;
 198	val &= ~MII_M1011_PHY_SCR_AUTO_CROSS;
 199	switch (polarity) {
 200	case ETH_TP_MDI:
 201		val |= MII_M1011_PHY_SCR_MDI;
 202		break;
 203	case ETH_TP_MDI_X:
 204		val |= MII_M1011_PHY_SCR_MDI_X;
 205		break;
 206	case ETH_TP_MDI_AUTO:
 207	case ETH_TP_MDI_INVALID:
 208	default:
 209		val |= MII_M1011_PHY_SCR_AUTO_CROSS;
 210		break;
 211	}
 212
 213	if (val != reg) {
 214		/* Set the new polarity value in the register */
 215		err = phy_write(phydev, MII_M1011_PHY_SCR, val);
 216		if (err)
 217			return err;
 218	}
 219
 220	return 0;
 221}
 222
 223static int marvell_config_aneg(struct phy_device *phydev)
 224{
 225	int err;
 226
 227	/* The Marvell PHY has an errata which requires
 228	 * that certain registers get written in order
 229	 * to restart autonegotiation */
 230	err = phy_write(phydev, MII_BMCR, BMCR_RESET);
 231
 232	if (err < 0)
 233		return err;
 234
 235	err = phy_write(phydev, 0x1d, 0x1f);
 236	if (err < 0)
 237		return err;
 238
 239	err = phy_write(phydev, 0x1e, 0x200c);
 240	if (err < 0)
 241		return err;
 242
 243	err = phy_write(phydev, 0x1d, 0x5);
 244	if (err < 0)
 245		return err;
 246
 247	err = phy_write(phydev, 0x1e, 0);
 248	if (err < 0)
 249		return err;
 250
 251	err = phy_write(phydev, 0x1e, 0x100);
 252	if (err < 0)
 253		return err;
 254
 255	err = marvell_set_polarity(phydev, phydev->mdix);
 
 256	if (err < 0)
 257		return err;
 258
 259	err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
 260			MII_M1111_PHY_LED_DIRECT);
 261	if (err < 0)
 262		return err;
 263
 264	err = genphy_config_aneg(phydev);
 265	if (err < 0)
 266		return err;
 267
 268	if (phydev->autoneg != AUTONEG_ENABLE) {
 269		int bmcr;
 270
 271		/*
 272		 * A write to speed/duplex bits (that is performed by
 273		 * genphy_config_aneg() call above) must be followed by
 274		 * a software reset. Otherwise, the write has no effect.
 275		 */
 276		bmcr = phy_read(phydev, MII_BMCR);
 277		if (bmcr < 0)
 278			return bmcr;
 279
 280		err = phy_write(phydev, MII_BMCR, bmcr | BMCR_RESET);
 281		if (err < 0)
 282			return err;
 283	}
 284
 285	return 0;
 286}
 287
 288#ifdef CONFIG_OF_MDIO
 289/*
 290 * Set and/or override some configuration registers based on the
 291 * marvell,reg-init property stored in the of_node for the phydev.
 292 *
 293 * marvell,reg-init = <reg-page reg mask value>,...;
 294 *
 295 * There may be one or more sets of <reg-page reg mask value>:
 296 *
 297 * reg-page: which register bank to use.
 298 * reg: the register.
 299 * mask: if non-zero, ANDed with existing register value.
 300 * value: ORed with the masked value and written to the regiser.
 301 *
 302 */
 303static int marvell_of_reg_init(struct phy_device *phydev)
 304{
 305	const __be32 *paddr;
 306	int len, i, saved_page, current_page, page_changed, ret;
 307
 308	if (!phydev->mdio.dev.of_node)
 309		return 0;
 310
 311	paddr = of_get_property(phydev->mdio.dev.of_node,
 312				"marvell,reg-init", &len);
 313	if (!paddr || len < (4 * sizeof(*paddr)))
 314		return 0;
 315
 316	saved_page = phy_read(phydev, MII_MARVELL_PHY_PAGE);
 317	if (saved_page < 0)
 318		return saved_page;
 319	page_changed = 0;
 320	current_page = saved_page;
 321
 322	ret = 0;
 323	len /= sizeof(*paddr);
 324	for (i = 0; i < len - 3; i += 4) {
 325		u16 reg_page = be32_to_cpup(paddr + i);
 326		u16 reg = be32_to_cpup(paddr + i + 1);
 327		u16 mask = be32_to_cpup(paddr + i + 2);
 328		u16 val_bits = be32_to_cpup(paddr + i + 3);
 329		int val;
 330
 331		if (reg_page != current_page) {
 332			current_page = reg_page;
 333			page_changed = 1;
 334			ret = phy_write(phydev, MII_MARVELL_PHY_PAGE, reg_page);
 335			if (ret < 0)
 336				goto err;
 337		}
 338
 339		val = 0;
 340		if (mask) {
 341			val = phy_read(phydev, reg);
 342			if (val < 0) {
 343				ret = val;
 344				goto err;
 345			}
 346			val &= mask;
 347		}
 348		val |= val_bits;
 349
 350		ret = phy_write(phydev, reg, val);
 351		if (ret < 0)
 352			goto err;
 353
 354	}
 355err:
 356	if (page_changed) {
 357		i = phy_write(phydev, MII_MARVELL_PHY_PAGE, saved_page);
 358		if (ret == 0)
 359			ret = i;
 360	}
 361	return ret;
 362}
 363#else
 364static int marvell_of_reg_init(struct phy_device *phydev)
 365{
 366	return 0;
 367}
 368#endif /* CONFIG_OF_MDIO */
 369
 370static int m88e1121_config_aneg(struct phy_device *phydev)
 371{
 372	int err, oldpage, mscr;
 373
 374	oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
 375
 376	err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
 377			MII_88E1121_PHY_MSCR_PAGE);
 378	if (err < 0)
 379		return err;
 380
 381	if (phy_interface_is_rgmii(phydev)) {
 
 
 
 382
 383		mscr = phy_read(phydev, MII_88E1121_PHY_MSCR_REG) &
 384			MII_88E1121_PHY_MSCR_DELAY_MASK;
 385
 386		if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
 387			mscr |= (MII_88E1121_PHY_MSCR_RX_DELAY |
 388				 MII_88E1121_PHY_MSCR_TX_DELAY);
 389		else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
 390			mscr |= MII_88E1121_PHY_MSCR_RX_DELAY;
 391		else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
 392			mscr |= MII_88E1121_PHY_MSCR_TX_DELAY;
 393
 394		err = phy_write(phydev, MII_88E1121_PHY_MSCR_REG, mscr);
 395		if (err < 0)
 396			return err;
 397	}
 398
 399	phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
 400
 401	err = phy_write(phydev, MII_BMCR, BMCR_RESET);
 402	if (err < 0)
 403		return err;
 404
 405	err = phy_write(phydev, MII_M1011_PHY_SCR,
 406			MII_M1011_PHY_SCR_AUTO_CROSS);
 407	if (err < 0)
 408		return err;
 409
 410	oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
 411
 412	phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1121_PHY_LED_PAGE);
 413	phy_write(phydev, MII_88E1121_PHY_LED_CTRL, MII_88E1121_PHY_LED_DEF);
 414	phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
 415
 416	err = genphy_config_aneg(phydev);
 417
 418	return err;
 419}
 420
 421static int m88e1318_config_aneg(struct phy_device *phydev)
 422{
 423	int err, oldpage, mscr;
 424
 425	oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
 426
 427	err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
 428			MII_88E1121_PHY_MSCR_PAGE);
 429	if (err < 0)
 430		return err;
 431
 432	mscr = phy_read(phydev, MII_88E1318S_PHY_MSCR1_REG);
 433	mscr |= MII_88E1318S_PHY_MSCR1_PAD_ODD;
 434
 435	err = phy_write(phydev, MII_88E1318S_PHY_MSCR1_REG, mscr);
 436	if (err < 0)
 437		return err;
 438
 439	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
 440	if (err < 0)
 441		return err;
 442
 443	return m88e1121_config_aneg(phydev);
 444}
 445
 446static int m88e1510_config_aneg(struct phy_device *phydev)
 447{
 448	int err;
 449
 450	err = m88e1318_config_aneg(phydev);
 451	if (err < 0)
 452		return err;
 453
 454	return 0;
 455}
 456
 457static int marvell_config_init(struct phy_device *phydev)
 458{
 459	/* Set registers from marvell,reg-init DT property */
 460	return marvell_of_reg_init(phydev);
 461}
 462
 463static int m88e1116r_config_init(struct phy_device *phydev)
 464{
 465	int temp;
 466	int err;
 467
 468	temp = phy_read(phydev, MII_BMCR);
 469	temp |= BMCR_RESET;
 470	err = phy_write(phydev, MII_BMCR, temp);
 471	if (err < 0)
 472		return err;
 473
 474	mdelay(500);
 475
 476	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
 477	if (err < 0)
 478		return err;
 479
 480	temp = phy_read(phydev, MII_M1011_PHY_SCR);
 481	temp |= (7 << 12);	/* max number of gigabit attempts */
 482	temp |= (1 << 11);	/* enable downshift */
 483	temp |= MII_M1011_PHY_SCR_AUTO_CROSS;
 484	err = phy_write(phydev, MII_M1011_PHY_SCR, temp);
 485	if (err < 0)
 486		return err;
 487
 488	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 2);
 489	if (err < 0)
 490		return err;
 491	temp = phy_read(phydev, MII_M1116R_CONTROL_REG_MAC);
 492	temp |= (1 << 5);
 493	temp |= (1 << 4);
 494	err = phy_write(phydev, MII_M1116R_CONTROL_REG_MAC, temp);
 495	if (err < 0)
 496		return err;
 497	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
 498	if (err < 0)
 499		return err;
 500
 501	temp = phy_read(phydev, MII_BMCR);
 502	temp |= BMCR_RESET;
 503	err = phy_write(phydev, MII_BMCR, temp);
 504	if (err < 0)
 505		return err;
 506
 507	mdelay(500);
 508
 509	return marvell_config_init(phydev);
 510}
 511
 512static int m88e3016_config_init(struct phy_device *phydev)
 513{
 514	int reg;
 515
 516	/* Enable Scrambler and Auto-Crossover */
 517	reg = phy_read(phydev, MII_88E3016_PHY_SPEC_CTRL);
 518	if (reg < 0)
 519		return reg;
 520
 521	reg &= ~MII_88E3016_DISABLE_SCRAMBLER;
 522	reg |= MII_88E3016_AUTO_MDIX_CROSSOVER;
 523
 524	reg = phy_write(phydev, MII_88E3016_PHY_SPEC_CTRL, reg);
 525	if (reg < 0)
 526		return reg;
 527
 528	return marvell_config_init(phydev);
 529}
 530
 531static int m88e1111_config_init(struct phy_device *phydev)
 532{
 533	int err;
 534	int temp;
 535
 536	if (phy_interface_is_rgmii(phydev)) {
 
 
 
 537
 538		temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
 539		if (temp < 0)
 540			return temp;
 541
 542		if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
 543			temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
 544		} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
 545			temp &= ~MII_M1111_TX_DELAY;
 546			temp |= MII_M1111_RX_DELAY;
 547		} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
 548			temp &= ~MII_M1111_RX_DELAY;
 549			temp |= MII_M1111_TX_DELAY;
 550		}
 551
 552		err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
 553		if (err < 0)
 554			return err;
 555
 556		temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
 557		if (temp < 0)
 558			return temp;
 559
 560		temp &= ~(MII_M1111_HWCFG_MODE_MASK);
 561
 562		if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES)
 563			temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
 564		else
 565			temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
 566
 567		err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
 568		if (err < 0)
 569			return err;
 570	}
 571
 572	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
 573		temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
 574		if (temp < 0)
 575			return temp;
 576
 577		temp &= ~(MII_M1111_HWCFG_MODE_MASK);
 578		temp |= MII_M1111_HWCFG_MODE_SGMII_NO_CLK;
 579		temp |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
 580
 581		err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
 582		if (err < 0)
 583			return err;
 584
 585		/* make sure copper is selected */
 586		err = phy_read(phydev, MII_M1145_PHY_EXT_ADDR_PAGE);
 587		if (err < 0)
 588			return err;
 589
 590		err = phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE,
 591				err & (~0xff));
 592		if (err < 0)
 593			return err;
 594	}
 595
 596	if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
 597		temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
 598		if (temp < 0)
 599			return temp;
 600		temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
 601		err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
 602		if (err < 0)
 603			return err;
 604
 605		temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
 606		if (temp < 0)
 607			return temp;
 608		temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
 609		temp |= 0x7 | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
 610		err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
 611		if (err < 0)
 612			return err;
 613
 614		/* soft reset */
 615		err = phy_write(phydev, MII_BMCR, BMCR_RESET);
 616		if (err < 0)
 617			return err;
 618		do
 619			temp = phy_read(phydev, MII_BMCR);
 620		while (temp & BMCR_RESET);
 621
 622		temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
 623		if (temp < 0)
 624			return temp;
 625		temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
 626		temp |= MII_M1111_HWCFG_MODE_COPPER_RTBI | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
 627		err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
 628		if (err < 0)
 629			return err;
 630	}
 631
 632	err = marvell_of_reg_init(phydev);
 633	if (err < 0)
 634		return err;
 635
 636	return phy_write(phydev, MII_BMCR, BMCR_RESET);
 637}
 
 638
 639static int m88e1510_config_init(struct phy_device *phydev)
 640{
 641	int err;
 642	int temp;
 643
 644	/* SGMII-to-Copper mode initialization */
 645	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
 646		/* Select page 18 */
 647		err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 18);
 648		if (err < 0)
 649			return err;
 650
 651		/* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
 652		temp = phy_read(phydev, MII_88E1510_GEN_CTRL_REG_1);
 653		temp &= ~MII_88E1510_GEN_CTRL_REG_1_MODE_MASK;
 654		temp |= MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII;
 655		err = phy_write(phydev, MII_88E1510_GEN_CTRL_REG_1, temp);
 656		if (err < 0)
 657			return err;
 658
 659		/* PHY reset is necessary after changing MODE[2:0] */
 660		temp |= MII_88E1510_GEN_CTRL_REG_1_RESET;
 661		err = phy_write(phydev, MII_88E1510_GEN_CTRL_REG_1, temp);
 662		if (err < 0)
 663			return err;
 664
 665		/* Reset page selection */
 666		err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
 667		if (err < 0)
 668			return err;
 669	}
 670
 671	return marvell_config_init(phydev);
 672}
 673
 674static int m88e1118_config_aneg(struct phy_device *phydev)
 675{
 676	int err;
 677
 678	err = phy_write(phydev, MII_BMCR, BMCR_RESET);
 679	if (err < 0)
 680		return err;
 681
 682	err = phy_write(phydev, MII_M1011_PHY_SCR,
 683			MII_M1011_PHY_SCR_AUTO_CROSS);
 684	if (err < 0)
 685		return err;
 686
 687	err = genphy_config_aneg(phydev);
 688	return 0;
 689}
 690
 691static int m88e1118_config_init(struct phy_device *phydev)
 692{
 693	int err;
 694
 695	/* Change address */
 696	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
 697	if (err < 0)
 698		return err;
 699
 700	/* Enable 1000 Mbit */
 701	err = phy_write(phydev, 0x15, 0x1070);
 702	if (err < 0)
 703		return err;
 704
 705	/* Change address */
 706	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0003);
 707	if (err < 0)
 708		return err;
 709
 710	/* Adjust LED Control */
 711	if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS)
 712		err = phy_write(phydev, 0x10, 0x1100);
 713	else
 714		err = phy_write(phydev, 0x10, 0x021e);
 715	if (err < 0)
 716		return err;
 717
 718	err = marvell_of_reg_init(phydev);
 719	if (err < 0)
 720		return err;
 721
 722	/* Reset address */
 723	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
 724	if (err < 0)
 725		return err;
 726
 727	return phy_write(phydev, MII_BMCR, BMCR_RESET);
 
 
 
 
 728}
 729
 730static int m88e1149_config_init(struct phy_device *phydev)
 731{
 732	int err;
 733
 734	/* Change address */
 735	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
 736	if (err < 0)
 737		return err;
 738
 739	/* Enable 1000 Mbit */
 740	err = phy_write(phydev, 0x15, 0x1048);
 741	if (err < 0)
 742		return err;
 743
 744	err = marvell_of_reg_init(phydev);
 745	if (err < 0)
 746		return err;
 747
 748	/* Reset address */
 749	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
 750	if (err < 0)
 751		return err;
 752
 753	return phy_write(phydev, MII_BMCR, BMCR_RESET);
 
 
 
 
 754}
 755
 756static int m88e1145_config_init(struct phy_device *phydev)
 757{
 758	int err;
 759	int temp;
 760
 761	/* Take care of errata E0 & E1 */
 762	err = phy_write(phydev, 0x1d, 0x001b);
 763	if (err < 0)
 764		return err;
 765
 766	err = phy_write(phydev, 0x1e, 0x418f);
 767	if (err < 0)
 768		return err;
 769
 770	err = phy_write(phydev, 0x1d, 0x0016);
 771	if (err < 0)
 772		return err;
 773
 774	err = phy_write(phydev, 0x1e, 0xa2da);
 775	if (err < 0)
 776		return err;
 777
 778	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
 779		int temp = phy_read(phydev, MII_M1145_PHY_EXT_CR);
 780		if (temp < 0)
 781			return temp;
 782
 783		temp |= (MII_M1145_RGMII_RX_DELAY | MII_M1145_RGMII_TX_DELAY);
 784
 785		err = phy_write(phydev, MII_M1145_PHY_EXT_CR, temp);
 786		if (err < 0)
 787			return err;
 788
 789		if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
 790			err = phy_write(phydev, 0x1d, 0x0012);
 791			if (err < 0)
 792				return err;
 793
 794			temp = phy_read(phydev, 0x1e);
 795			if (temp < 0)
 796				return temp;
 797
 798			temp &= 0xf03f;
 799			temp |= 2 << 9;	/* 36 ohm */
 800			temp |= 2 << 6;	/* 39 ohm */
 801
 802			err = phy_write(phydev, 0x1e, temp);
 803			if (err < 0)
 804				return err;
 805
 806			err = phy_write(phydev, 0x1d, 0x3);
 807			if (err < 0)
 808				return err;
 809
 810			err = phy_write(phydev, 0x1e, 0x8000);
 811			if (err < 0)
 812				return err;
 813		}
 814	}
 815
 816	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
 817		temp = phy_read(phydev, MII_M1145_PHY_EXT_SR);
 818		if (temp < 0)
 819			return temp;
 820
 821		temp &= ~MII_M1145_HWCFG_MODE_MASK;
 822		temp |= MII_M1145_HWCFG_MODE_SGMII_NO_CLK;
 823		temp |= MII_M1145_HWCFG_FIBER_COPPER_AUTO;
 824
 825		err = phy_write(phydev, MII_M1145_PHY_EXT_SR, temp);
 826		if (err < 0)
 827			return err;
 828	}
 829
 830	err = marvell_of_reg_init(phydev);
 831	if (err < 0)
 832		return err;
 833
 834	return 0;
 835}
 836
 837/* marvell_read_status
 838 *
 839 * Generic status code does not detect Fiber correctly!
 840 * Description:
 841 *   Check the link, then figure out the current state
 842 *   by comparing what we advertise with what the link partner
 843 *   advertises.  Start by checking the gigabit possibilities,
 844 *   then move on to 10/100.
 845 */
 846static int marvell_read_status(struct phy_device *phydev)
 847{
 848	int adv;
 849	int err;
 850	int lpa;
 851	int lpagb;
 852	int status = 0;
 853
 854	/* Update the link, but return if there
 855	 * was an error */
 856	err = genphy_update_link(phydev);
 857	if (err)
 858		return err;
 859
 860	if (AUTONEG_ENABLE == phydev->autoneg) {
 861		status = phy_read(phydev, MII_M1011_PHY_STATUS);
 862		if (status < 0)
 863			return status;
 864
 865		lpa = phy_read(phydev, MII_LPA);
 866		if (lpa < 0)
 867			return lpa;
 868
 869		lpagb = phy_read(phydev, MII_STAT1000);
 870		if (lpagb < 0)
 871			return lpagb;
 872
 873		adv = phy_read(phydev, MII_ADVERTISE);
 874		if (adv < 0)
 875			return adv;
 876
 877		phydev->lp_advertising = mii_stat1000_to_ethtool_lpa_t(lpagb) |
 878					 mii_lpa_to_ethtool_lpa_t(lpa);
 879
 880		lpa &= adv;
 881
 882		if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
 883			phydev->duplex = DUPLEX_FULL;
 884		else
 885			phydev->duplex = DUPLEX_HALF;
 886
 887		status = status & MII_M1011_PHY_STATUS_SPD_MASK;
 888		phydev->pause = phydev->asym_pause = 0;
 889
 890		switch (status) {
 891		case MII_M1011_PHY_STATUS_1000:
 892			phydev->speed = SPEED_1000;
 893			break;
 894
 895		case MII_M1011_PHY_STATUS_100:
 896			phydev->speed = SPEED_100;
 897			break;
 898
 899		default:
 900			phydev->speed = SPEED_10;
 901			break;
 902		}
 903
 904		if (phydev->duplex == DUPLEX_FULL) {
 905			phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
 906			phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
 907		}
 908	} else {
 909		int bmcr = phy_read(phydev, MII_BMCR);
 910
 911		if (bmcr < 0)
 912			return bmcr;
 913
 914		if (bmcr & BMCR_FULLDPLX)
 915			phydev->duplex = DUPLEX_FULL;
 916		else
 917			phydev->duplex = DUPLEX_HALF;
 918
 919		if (bmcr & BMCR_SPEED1000)
 920			phydev->speed = SPEED_1000;
 921		else if (bmcr & BMCR_SPEED100)
 922			phydev->speed = SPEED_100;
 923		else
 924			phydev->speed = SPEED_10;
 925
 926		phydev->pause = phydev->asym_pause = 0;
 927		phydev->lp_advertising = 0;
 928	}
 929
 930	return 0;
 931}
 932
 933static int marvell_aneg_done(struct phy_device *phydev)
 934{
 935	int retval = phy_read(phydev, MII_M1011_PHY_STATUS);
 936	return (retval < 0) ? retval : (retval & MII_M1011_PHY_STATUS_RESOLVED);
 937}
 938
 939static int m88e1121_did_interrupt(struct phy_device *phydev)
 940{
 941	int imask;
 942
 943	imask = phy_read(phydev, MII_M1011_IEVENT);
 944
 945	if (imask & MII_M1011_IMASK_INIT)
 946		return 1;
 947
 948	return 0;
 949}
 950
 951static void m88e1318_get_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol)
 952{
 953	wol->supported = WAKE_MAGIC;
 954	wol->wolopts = 0;
 955
 956	if (phy_write(phydev, MII_MARVELL_PHY_PAGE,
 957		      MII_88E1318S_PHY_WOL_PAGE) < 0)
 958		return;
 959
 960	if (phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL) &
 961	    MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE)
 962		wol->wolopts |= WAKE_MAGIC;
 963
 964	if (phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x00) < 0)
 965		return;
 966}
 967
 968static int m88e1318_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol)
 969{
 970	int err, oldpage, temp;
 971
 972	oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
 973
 974	if (wol->wolopts & WAKE_MAGIC) {
 975		/* Explicitly switch to page 0x00, just to be sure */
 976		err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x00);
 977		if (err < 0)
 978			return err;
 979
 980		/* Enable the WOL interrupt */
 981		temp = phy_read(phydev, MII_88E1318S_PHY_CSIER);
 982		temp |= MII_88E1318S_PHY_CSIER_WOL_EIE;
 983		err = phy_write(phydev, MII_88E1318S_PHY_CSIER, temp);
 984		if (err < 0)
 985			return err;
 986
 987		err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
 988				MII_88E1318S_PHY_LED_PAGE);
 989		if (err < 0)
 990			return err;
 991
 992		/* Setup LED[2] as interrupt pin (active low) */
 993		temp = phy_read(phydev, MII_88E1318S_PHY_LED_TCR);
 994		temp &= ~MII_88E1318S_PHY_LED_TCR_FORCE_INT;
 995		temp |= MII_88E1318S_PHY_LED_TCR_INTn_ENABLE;
 996		temp |= MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW;
 997		err = phy_write(phydev, MII_88E1318S_PHY_LED_TCR, temp);
 998		if (err < 0)
 999			return err;
1000
1001		err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
1002				MII_88E1318S_PHY_WOL_PAGE);
1003		if (err < 0)
1004			return err;
1005
1006		/* Store the device address for the magic packet */
1007		err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD2,
1008				((phydev->attached_dev->dev_addr[5] << 8) |
1009				 phydev->attached_dev->dev_addr[4]));
1010		if (err < 0)
1011			return err;
1012		err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD1,
1013				((phydev->attached_dev->dev_addr[3] << 8) |
1014				 phydev->attached_dev->dev_addr[2]));
1015		if (err < 0)
1016			return err;
1017		err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD0,
1018				((phydev->attached_dev->dev_addr[1] << 8) |
1019				 phydev->attached_dev->dev_addr[0]));
1020		if (err < 0)
1021			return err;
1022
1023		/* Clear WOL status and enable magic packet matching */
1024		temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
1025		temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS;
1026		temp |= MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE;
1027		err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp);
1028		if (err < 0)
1029			return err;
1030	} else {
1031		err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
1032				MII_88E1318S_PHY_WOL_PAGE);
1033		if (err < 0)
1034			return err;
1035
1036		/* Clear WOL status and disable magic packet matching */
1037		temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
1038		temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS;
1039		temp &= ~MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE;
1040		err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp);
1041		if (err < 0)
1042			return err;
1043	}
1044
1045	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
1046	if (err < 0)
1047		return err;
1048
1049	return 0;
1050}
1051
1052static int marvell_get_sset_count(struct phy_device *phydev)
1053{
1054	return ARRAY_SIZE(marvell_hw_stats);
1055}
1056
1057static void marvell_get_strings(struct phy_device *phydev, u8 *data)
1058{
1059	int i;
1060
1061	for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++) {
1062		memcpy(data + i * ETH_GSTRING_LEN,
1063		       marvell_hw_stats[i].string, ETH_GSTRING_LEN);
1064	}
1065}
1066
1067#ifndef UINT64_MAX
1068#define UINT64_MAX              (u64)(~((u64)0))
1069#endif
1070static u64 marvell_get_stat(struct phy_device *phydev, int i)
1071{
1072	struct marvell_hw_stat stat = marvell_hw_stats[i];
1073	struct marvell_priv *priv = phydev->priv;
1074	int err, oldpage, val;
1075	u64 ret;
1076
1077	oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
1078	err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
1079			stat.page);
1080	if (err < 0)
1081		return UINT64_MAX;
1082
1083	val = phy_read(phydev, stat.reg);
1084	if (val < 0) {
1085		ret = UINT64_MAX;
1086	} else {
1087		val = val & ((1 << stat.bits) - 1);
1088		priv->stats[i] += val;
1089		ret = priv->stats[i];
1090	}
1091
1092	phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
1093
1094	return ret;
1095}
1096
1097static void marvell_get_stats(struct phy_device *phydev,
1098			      struct ethtool_stats *stats, u64 *data)
1099{
1100	int i;
1101
1102	for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++)
1103		data[i] = marvell_get_stat(phydev, i);
1104}
1105
1106static int marvell_probe(struct phy_device *phydev)
1107{
1108	struct marvell_priv *priv;
1109
1110	priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
1111	if (!priv)
1112		return -ENOMEM;
1113
1114	phydev->priv = priv;
1115
1116	return 0;
1117}
1118
1119static struct phy_driver marvell_drivers[] = {
1120	{
1121		.phy_id = MARVELL_PHY_ID_88E1101,
1122		.phy_id_mask = MARVELL_PHY_ID_MASK,
1123		.name = "Marvell 88E1101",
1124		.features = PHY_GBIT_FEATURES,
1125		.probe = marvell_probe,
1126		.flags = PHY_HAS_INTERRUPT,
1127		.config_init = &marvell_config_init,
1128		.config_aneg = &marvell_config_aneg,
1129		.read_status = &genphy_read_status,
1130		.ack_interrupt = &marvell_ack_interrupt,
1131		.config_intr = &marvell_config_intr,
1132		.resume = &genphy_resume,
1133		.suspend = &genphy_suspend,
1134		.get_sset_count = marvell_get_sset_count,
1135		.get_strings = marvell_get_strings,
1136		.get_stats = marvell_get_stats,
1137	},
1138	{
1139		.phy_id = MARVELL_PHY_ID_88E1112,
1140		.phy_id_mask = MARVELL_PHY_ID_MASK,
1141		.name = "Marvell 88E1112",
1142		.features = PHY_GBIT_FEATURES,
1143		.flags = PHY_HAS_INTERRUPT,
1144		.probe = marvell_probe,
1145		.config_init = &m88e1111_config_init,
1146		.config_aneg = &marvell_config_aneg,
1147		.read_status = &genphy_read_status,
1148		.ack_interrupt = &marvell_ack_interrupt,
1149		.config_intr = &marvell_config_intr,
1150		.resume = &genphy_resume,
1151		.suspend = &genphy_suspend,
1152		.get_sset_count = marvell_get_sset_count,
1153		.get_strings = marvell_get_strings,
1154		.get_stats = marvell_get_stats,
1155	},
1156	{
1157		.phy_id = MARVELL_PHY_ID_88E1111,
1158		.phy_id_mask = MARVELL_PHY_ID_MASK,
1159		.name = "Marvell 88E1111",
1160		.features = PHY_GBIT_FEATURES,
1161		.flags = PHY_HAS_INTERRUPT,
1162		.probe = marvell_probe,
1163		.config_init = &m88e1111_config_init,
1164		.config_aneg = &marvell_config_aneg,
1165		.read_status = &marvell_read_status,
1166		.ack_interrupt = &marvell_ack_interrupt,
1167		.config_intr = &marvell_config_intr,
1168		.resume = &genphy_resume,
1169		.suspend = &genphy_suspend,
1170		.get_sset_count = marvell_get_sset_count,
1171		.get_strings = marvell_get_strings,
1172		.get_stats = marvell_get_stats,
1173	},
1174	{
1175		.phy_id = MARVELL_PHY_ID_88E1118,
1176		.phy_id_mask = MARVELL_PHY_ID_MASK,
1177		.name = "Marvell 88E1118",
1178		.features = PHY_GBIT_FEATURES,
1179		.flags = PHY_HAS_INTERRUPT,
1180		.probe = marvell_probe,
1181		.config_init = &m88e1118_config_init,
1182		.config_aneg = &m88e1118_config_aneg,
1183		.read_status = &genphy_read_status,
1184		.ack_interrupt = &marvell_ack_interrupt,
1185		.config_intr = &marvell_config_intr,
1186		.resume = &genphy_resume,
1187		.suspend = &genphy_suspend,
1188		.get_sset_count = marvell_get_sset_count,
1189		.get_strings = marvell_get_strings,
1190		.get_stats = marvell_get_stats,
1191	},
1192	{
1193		.phy_id = MARVELL_PHY_ID_88E1121R,
1194		.phy_id_mask = MARVELL_PHY_ID_MASK,
1195		.name = "Marvell 88E1121R",
1196		.features = PHY_GBIT_FEATURES,
1197		.flags = PHY_HAS_INTERRUPT,
1198		.probe = marvell_probe,
1199		.config_init = &marvell_config_init,
1200		.config_aneg = &m88e1121_config_aneg,
1201		.read_status = &marvell_read_status,
1202		.ack_interrupt = &marvell_ack_interrupt,
1203		.config_intr = &marvell_config_intr,
1204		.did_interrupt = &m88e1121_did_interrupt,
1205		.resume = &genphy_resume,
1206		.suspend = &genphy_suspend,
1207		.get_sset_count = marvell_get_sset_count,
1208		.get_strings = marvell_get_strings,
1209		.get_stats = marvell_get_stats,
1210	},
1211	{
1212		.phy_id = MARVELL_PHY_ID_88E1318S,
1213		.phy_id_mask = MARVELL_PHY_ID_MASK,
1214		.name = "Marvell 88E1318S",
1215		.features = PHY_GBIT_FEATURES,
1216		.flags = PHY_HAS_INTERRUPT,
1217		.probe = marvell_probe,
1218		.config_init = &marvell_config_init,
1219		.config_aneg = &m88e1318_config_aneg,
1220		.read_status = &marvell_read_status,
1221		.ack_interrupt = &marvell_ack_interrupt,
1222		.config_intr = &marvell_config_intr,
1223		.did_interrupt = &m88e1121_did_interrupt,
1224		.get_wol = &m88e1318_get_wol,
1225		.set_wol = &m88e1318_set_wol,
1226		.resume = &genphy_resume,
1227		.suspend = &genphy_suspend,
1228		.get_sset_count = marvell_get_sset_count,
1229		.get_strings = marvell_get_strings,
1230		.get_stats = marvell_get_stats,
1231	},
1232	{
1233		.phy_id = MARVELL_PHY_ID_88E1145,
1234		.phy_id_mask = MARVELL_PHY_ID_MASK,
1235		.name = "Marvell 88E1145",
1236		.features = PHY_GBIT_FEATURES,
1237		.flags = PHY_HAS_INTERRUPT,
1238		.probe = marvell_probe,
1239		.config_init = &m88e1145_config_init,
1240		.config_aneg = &marvell_config_aneg,
1241		.read_status = &genphy_read_status,
1242		.ack_interrupt = &marvell_ack_interrupt,
1243		.config_intr = &marvell_config_intr,
1244		.resume = &genphy_resume,
1245		.suspend = &genphy_suspend,
1246		.get_sset_count = marvell_get_sset_count,
1247		.get_strings = marvell_get_strings,
1248		.get_stats = marvell_get_stats,
1249	},
1250	{
1251		.phy_id = MARVELL_PHY_ID_88E1149R,
1252		.phy_id_mask = MARVELL_PHY_ID_MASK,
1253		.name = "Marvell 88E1149R",
1254		.features = PHY_GBIT_FEATURES,
1255		.flags = PHY_HAS_INTERRUPT,
1256		.probe = marvell_probe,
1257		.config_init = &m88e1149_config_init,
1258		.config_aneg = &m88e1118_config_aneg,
1259		.read_status = &genphy_read_status,
1260		.ack_interrupt = &marvell_ack_interrupt,
1261		.config_intr = &marvell_config_intr,
1262		.resume = &genphy_resume,
1263		.suspend = &genphy_suspend,
1264		.get_sset_count = marvell_get_sset_count,
1265		.get_strings = marvell_get_strings,
1266		.get_stats = marvell_get_stats,
1267	},
1268	{
1269		.phy_id = MARVELL_PHY_ID_88E1240,
1270		.phy_id_mask = MARVELL_PHY_ID_MASK,
1271		.name = "Marvell 88E1240",
1272		.features = PHY_GBIT_FEATURES,
1273		.flags = PHY_HAS_INTERRUPT,
1274		.probe = marvell_probe,
1275		.config_init = &m88e1111_config_init,
1276		.config_aneg = &marvell_config_aneg,
1277		.read_status = &genphy_read_status,
1278		.ack_interrupt = &marvell_ack_interrupt,
1279		.config_intr = &marvell_config_intr,
1280		.resume = &genphy_resume,
1281		.suspend = &genphy_suspend,
1282		.get_sset_count = marvell_get_sset_count,
1283		.get_strings = marvell_get_strings,
1284		.get_stats = marvell_get_stats,
1285	},
1286	{
1287		.phy_id = MARVELL_PHY_ID_88E1116R,
1288		.phy_id_mask = MARVELL_PHY_ID_MASK,
1289		.name = "Marvell 88E1116R",
1290		.features = PHY_GBIT_FEATURES,
1291		.flags = PHY_HAS_INTERRUPT,
1292		.probe = marvell_probe,
1293		.config_init = &m88e1116r_config_init,
1294		.config_aneg = &genphy_config_aneg,
1295		.read_status = &genphy_read_status,
1296		.ack_interrupt = &marvell_ack_interrupt,
1297		.config_intr = &marvell_config_intr,
1298		.resume = &genphy_resume,
1299		.suspend = &genphy_suspend,
1300		.get_sset_count = marvell_get_sset_count,
1301		.get_strings = marvell_get_strings,
1302		.get_stats = marvell_get_stats,
1303	},
1304	{
1305		.phy_id = MARVELL_PHY_ID_88E1510,
1306		.phy_id_mask = MARVELL_PHY_ID_MASK,
1307		.name = "Marvell 88E1510",
1308		.features = PHY_GBIT_FEATURES,
1309		.flags = PHY_HAS_INTERRUPT,
1310		.probe = marvell_probe,
1311		.config_init = &m88e1510_config_init,
1312		.config_aneg = &m88e1510_config_aneg,
1313		.read_status = &marvell_read_status,
1314		.ack_interrupt = &marvell_ack_interrupt,
1315		.config_intr = &marvell_config_intr,
1316		.did_interrupt = &m88e1121_did_interrupt,
1317		.resume = &genphy_resume,
1318		.suspend = &genphy_suspend,
1319		.get_sset_count = marvell_get_sset_count,
1320		.get_strings = marvell_get_strings,
1321		.get_stats = marvell_get_stats,
1322	},
1323	{
1324		.phy_id = MARVELL_PHY_ID_88E1540,
1325		.phy_id_mask = MARVELL_PHY_ID_MASK,
1326		.name = "Marvell 88E1540",
1327		.features = PHY_GBIT_FEATURES,
1328		.flags = PHY_HAS_INTERRUPT,
1329		.probe = marvell_probe,
1330		.config_init = &marvell_config_init,
1331		.config_aneg = &m88e1510_config_aneg,
1332		.read_status = &marvell_read_status,
1333		.ack_interrupt = &marvell_ack_interrupt,
1334		.config_intr = &marvell_config_intr,
1335		.did_interrupt = &m88e1121_did_interrupt,
1336		.resume = &genphy_resume,
1337		.suspend = &genphy_suspend,
1338		.get_sset_count = marvell_get_sset_count,
1339		.get_strings = marvell_get_strings,
1340		.get_stats = marvell_get_stats,
1341	},
1342	{
1343		.phy_id = MARVELL_PHY_ID_88E3016,
1344		.phy_id_mask = MARVELL_PHY_ID_MASK,
1345		.name = "Marvell 88E3016",
1346		.features = PHY_BASIC_FEATURES,
1347		.flags = PHY_HAS_INTERRUPT,
1348		.probe = marvell_probe,
1349		.config_aneg = &genphy_config_aneg,
1350		.config_init = &m88e3016_config_init,
1351		.aneg_done = &marvell_aneg_done,
1352		.read_status = &marvell_read_status,
1353		.ack_interrupt = &marvell_ack_interrupt,
1354		.config_intr = &marvell_config_intr,
1355		.did_interrupt = &m88e1121_did_interrupt,
1356		.resume = &genphy_resume,
1357		.suspend = &genphy_suspend,
1358		.get_sset_count = marvell_get_sset_count,
1359		.get_strings = marvell_get_strings,
1360		.get_stats = marvell_get_stats,
1361	},
1362};
1363
1364module_phy_driver(marvell_drivers);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1365
1366static struct mdio_device_id __maybe_unused marvell_tbl[] = {
1367	{ MARVELL_PHY_ID_88E1101, MARVELL_PHY_ID_MASK },
1368	{ MARVELL_PHY_ID_88E1112, MARVELL_PHY_ID_MASK },
1369	{ MARVELL_PHY_ID_88E1111, MARVELL_PHY_ID_MASK },
1370	{ MARVELL_PHY_ID_88E1118, MARVELL_PHY_ID_MASK },
1371	{ MARVELL_PHY_ID_88E1121R, MARVELL_PHY_ID_MASK },
1372	{ MARVELL_PHY_ID_88E1145, MARVELL_PHY_ID_MASK },
1373	{ MARVELL_PHY_ID_88E1149R, MARVELL_PHY_ID_MASK },
1374	{ MARVELL_PHY_ID_88E1240, MARVELL_PHY_ID_MASK },
1375	{ MARVELL_PHY_ID_88E1318S, MARVELL_PHY_ID_MASK },
1376	{ MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK },
1377	{ MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK },
1378	{ MARVELL_PHY_ID_88E1540, MARVELL_PHY_ID_MASK },
1379	{ MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK },
1380	{ }
1381};
1382
1383MODULE_DEVICE_TABLE(mdio, marvell_tbl);