xref: /linux/drivers/net/phy/marvell.c (revision 95e9fd10f06cb5642028b6b851e32b8c8afb4571)
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 
96 MODULE_DESCRIPTION("Marvell PHY driver");
97 MODULE_AUTHOR("Andy Fleming");
98 MODULE_LICENSE("GPL");
99 
100 static 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 
113 static 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 
125 static 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  */
206 static 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 	}
257 err:
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
266 static int marvell_of_reg_init(struct phy_device *phydev)
267 {
268 	return 0;
269 }
270 #endif /* CONFIG_OF_MDIO */
271 
272 static 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 
326 static 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 
351 static 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 	return phy_write(phydev, MII_BMCR, BMCR_RESET);
459 }
460 
461 static int m88e1118_config_aneg(struct phy_device *phydev)
462 {
463 	int err;
464 
465 	err = phy_write(phydev, MII_BMCR, BMCR_RESET);
466 	if (err < 0)
467 		return err;
468 
469 	err = phy_write(phydev, MII_M1011_PHY_SCR,
470 			MII_M1011_PHY_SCR_AUTO_CROSS);
471 	if (err < 0)
472 		return err;
473 
474 	err = genphy_config_aneg(phydev);
475 	return 0;
476 }
477 
478 static int m88e1118_config_init(struct phy_device *phydev)
479 {
480 	int err;
481 
482 	/* Change address */
483 	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
484 	if (err < 0)
485 		return err;
486 
487 	/* Enable 1000 Mbit */
488 	err = phy_write(phydev, 0x15, 0x1070);
489 	if (err < 0)
490 		return err;
491 
492 	/* Change address */
493 	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0003);
494 	if (err < 0)
495 		return err;
496 
497 	/* Adjust LED Control */
498 	if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS)
499 		err = phy_write(phydev, 0x10, 0x1100);
500 	else
501 		err = phy_write(phydev, 0x10, 0x021e);
502 	if (err < 0)
503 		return err;
504 
505 	err = marvell_of_reg_init(phydev);
506 	if (err < 0)
507 		return err;
508 
509 	/* Reset address */
510 	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
511 	if (err < 0)
512 		return err;
513 
514 	return phy_write(phydev, MII_BMCR, BMCR_RESET);
515 }
516 
517 static int m88e1149_config_init(struct phy_device *phydev)
518 {
519 	int err;
520 
521 	/* Change address */
522 	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
523 	if (err < 0)
524 		return err;
525 
526 	/* Enable 1000 Mbit */
527 	err = phy_write(phydev, 0x15, 0x1048);
528 	if (err < 0)
529 		return err;
530 
531 	err = marvell_of_reg_init(phydev);
532 	if (err < 0)
533 		return err;
534 
535 	/* Reset address */
536 	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
537 	if (err < 0)
538 		return err;
539 
540 	return phy_write(phydev, MII_BMCR, BMCR_RESET);
541 }
542 
543 static int m88e1145_config_init(struct phy_device *phydev)
544 {
545 	int err;
546 
547 	/* Take care of errata E0 & E1 */
548 	err = phy_write(phydev, 0x1d, 0x001b);
549 	if (err < 0)
550 		return err;
551 
552 	err = phy_write(phydev, 0x1e, 0x418f);
553 	if (err < 0)
554 		return err;
555 
556 	err = phy_write(phydev, 0x1d, 0x0016);
557 	if (err < 0)
558 		return err;
559 
560 	err = phy_write(phydev, 0x1e, 0xa2da);
561 	if (err < 0)
562 		return err;
563 
564 	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
565 		int temp = phy_read(phydev, MII_M1145_PHY_EXT_CR);
566 		if (temp < 0)
567 			return temp;
568 
569 		temp |= (MII_M1145_RGMII_RX_DELAY | MII_M1145_RGMII_TX_DELAY);
570 
571 		err = phy_write(phydev, MII_M1145_PHY_EXT_CR, temp);
572 		if (err < 0)
573 			return err;
574 
575 		if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
576 			err = phy_write(phydev, 0x1d, 0x0012);
577 			if (err < 0)
578 				return err;
579 
580 			temp = phy_read(phydev, 0x1e);
581 			if (temp < 0)
582 				return temp;
583 
584 			temp &= 0xf03f;
585 			temp |= 2 << 9;	/* 36 ohm */
586 			temp |= 2 << 6;	/* 39 ohm */
587 
588 			err = phy_write(phydev, 0x1e, temp);
589 			if (err < 0)
590 				return err;
591 
592 			err = phy_write(phydev, 0x1d, 0x3);
593 			if (err < 0)
594 				return err;
595 
596 			err = phy_write(phydev, 0x1e, 0x8000);
597 			if (err < 0)
598 				return err;
599 		}
600 	}
601 
602 	err = marvell_of_reg_init(phydev);
603 	if (err < 0)
604 		return err;
605 
606 	return 0;
607 }
608 
609 /* marvell_read_status
610  *
611  * Generic status code does not detect Fiber correctly!
612  * Description:
613  *   Check the link, then figure out the current state
614  *   by comparing what we advertise with what the link partner
615  *   advertises.  Start by checking the gigabit possibilities,
616  *   then move on to 10/100.
617  */
618 static int marvell_read_status(struct phy_device *phydev)
619 {
620 	int adv;
621 	int err;
622 	int lpa;
623 	int status = 0;
624 
625 	/* Update the link, but return if there
626 	 * was an error */
627 	err = genphy_update_link(phydev);
628 	if (err)
629 		return err;
630 
631 	if (AUTONEG_ENABLE == phydev->autoneg) {
632 		status = phy_read(phydev, MII_M1011_PHY_STATUS);
633 		if (status < 0)
634 			return status;
635 
636 		lpa = phy_read(phydev, MII_LPA);
637 		if (lpa < 0)
638 			return lpa;
639 
640 		adv = phy_read(phydev, MII_ADVERTISE);
641 		if (adv < 0)
642 			return adv;
643 
644 		lpa &= adv;
645 
646 		if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
647 			phydev->duplex = DUPLEX_FULL;
648 		else
649 			phydev->duplex = DUPLEX_HALF;
650 
651 		status = status & MII_M1011_PHY_STATUS_SPD_MASK;
652 		phydev->pause = phydev->asym_pause = 0;
653 
654 		switch (status) {
655 		case MII_M1011_PHY_STATUS_1000:
656 			phydev->speed = SPEED_1000;
657 			break;
658 
659 		case MII_M1011_PHY_STATUS_100:
660 			phydev->speed = SPEED_100;
661 			break;
662 
663 		default:
664 			phydev->speed = SPEED_10;
665 			break;
666 		}
667 
668 		if (phydev->duplex == DUPLEX_FULL) {
669 			phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
670 			phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
671 		}
672 	} else {
673 		int bmcr = phy_read(phydev, MII_BMCR);
674 
675 		if (bmcr < 0)
676 			return bmcr;
677 
678 		if (bmcr & BMCR_FULLDPLX)
679 			phydev->duplex = DUPLEX_FULL;
680 		else
681 			phydev->duplex = DUPLEX_HALF;
682 
683 		if (bmcr & BMCR_SPEED1000)
684 			phydev->speed = SPEED_1000;
685 		else if (bmcr & BMCR_SPEED100)
686 			phydev->speed = SPEED_100;
687 		else
688 			phydev->speed = SPEED_10;
689 
690 		phydev->pause = phydev->asym_pause = 0;
691 	}
692 
693 	return 0;
694 }
695 
696 static int m88e1121_did_interrupt(struct phy_device *phydev)
697 {
698 	int imask;
699 
700 	imask = phy_read(phydev, MII_M1011_IEVENT);
701 
702 	if (imask & MII_M1011_IMASK_INIT)
703 		return 1;
704 
705 	return 0;
706 }
707 
708 static struct phy_driver marvell_drivers[] = {
709 	{
710 		.phy_id = MARVELL_PHY_ID_88E1101,
711 		.phy_id_mask = MARVELL_PHY_ID_MASK,
712 		.name = "Marvell 88E1101",
713 		.features = PHY_GBIT_FEATURES,
714 		.flags = PHY_HAS_INTERRUPT,
715 		.config_aneg = &marvell_config_aneg,
716 		.read_status = &genphy_read_status,
717 		.ack_interrupt = &marvell_ack_interrupt,
718 		.config_intr = &marvell_config_intr,
719 		.driver = { .owner = THIS_MODULE },
720 	},
721 	{
722 		.phy_id = MARVELL_PHY_ID_88E1112,
723 		.phy_id_mask = MARVELL_PHY_ID_MASK,
724 		.name = "Marvell 88E1112",
725 		.features = PHY_GBIT_FEATURES,
726 		.flags = PHY_HAS_INTERRUPT,
727 		.config_init = &m88e1111_config_init,
728 		.config_aneg = &marvell_config_aneg,
729 		.read_status = &genphy_read_status,
730 		.ack_interrupt = &marvell_ack_interrupt,
731 		.config_intr = &marvell_config_intr,
732 		.driver = { .owner = THIS_MODULE },
733 	},
734 	{
735 		.phy_id = MARVELL_PHY_ID_88E1111,
736 		.phy_id_mask = MARVELL_PHY_ID_MASK,
737 		.name = "Marvell 88E1111",
738 		.features = PHY_GBIT_FEATURES,
739 		.flags = PHY_HAS_INTERRUPT,
740 		.config_init = &m88e1111_config_init,
741 		.config_aneg = &marvell_config_aneg,
742 		.read_status = &marvell_read_status,
743 		.ack_interrupt = &marvell_ack_interrupt,
744 		.config_intr = &marvell_config_intr,
745 		.driver = { .owner = THIS_MODULE },
746 	},
747 	{
748 		.phy_id = MARVELL_PHY_ID_88E1118,
749 		.phy_id_mask = MARVELL_PHY_ID_MASK,
750 		.name = "Marvell 88E1118",
751 		.features = PHY_GBIT_FEATURES,
752 		.flags = PHY_HAS_INTERRUPT,
753 		.config_init = &m88e1118_config_init,
754 		.config_aneg = &m88e1118_config_aneg,
755 		.read_status = &genphy_read_status,
756 		.ack_interrupt = &marvell_ack_interrupt,
757 		.config_intr = &marvell_config_intr,
758 		.driver = {.owner = THIS_MODULE,},
759 	},
760 	{
761 		.phy_id = MARVELL_PHY_ID_88E1121R,
762 		.phy_id_mask = MARVELL_PHY_ID_MASK,
763 		.name = "Marvell 88E1121R",
764 		.features = PHY_GBIT_FEATURES,
765 		.flags = PHY_HAS_INTERRUPT,
766 		.config_aneg = &m88e1121_config_aneg,
767 		.read_status = &marvell_read_status,
768 		.ack_interrupt = &marvell_ack_interrupt,
769 		.config_intr = &marvell_config_intr,
770 		.did_interrupt = &m88e1121_did_interrupt,
771 		.driver = { .owner = THIS_MODULE },
772 	},
773 	{
774 		.phy_id = MARVELL_PHY_ID_88E1318S,
775 		.phy_id_mask = MARVELL_PHY_ID_MASK,
776 		.name = "Marvell 88E1318S",
777 		.features = PHY_GBIT_FEATURES,
778 		.flags = PHY_HAS_INTERRUPT,
779 		.config_aneg = &m88e1318_config_aneg,
780 		.read_status = &marvell_read_status,
781 		.ack_interrupt = &marvell_ack_interrupt,
782 		.config_intr = &marvell_config_intr,
783 		.did_interrupt = &m88e1121_did_interrupt,
784 		.driver = { .owner = THIS_MODULE },
785 	},
786 	{
787 		.phy_id = MARVELL_PHY_ID_88E1145,
788 		.phy_id_mask = MARVELL_PHY_ID_MASK,
789 		.name = "Marvell 88E1145",
790 		.features = PHY_GBIT_FEATURES,
791 		.flags = PHY_HAS_INTERRUPT,
792 		.config_init = &m88e1145_config_init,
793 		.config_aneg = &marvell_config_aneg,
794 		.read_status = &genphy_read_status,
795 		.ack_interrupt = &marvell_ack_interrupt,
796 		.config_intr = &marvell_config_intr,
797 		.driver = { .owner = THIS_MODULE },
798 	},
799 	{
800 		.phy_id = MARVELL_PHY_ID_88E1149R,
801 		.phy_id_mask = MARVELL_PHY_ID_MASK,
802 		.name = "Marvell 88E1149R",
803 		.features = PHY_GBIT_FEATURES,
804 		.flags = PHY_HAS_INTERRUPT,
805 		.config_init = &m88e1149_config_init,
806 		.config_aneg = &m88e1118_config_aneg,
807 		.read_status = &genphy_read_status,
808 		.ack_interrupt = &marvell_ack_interrupt,
809 		.config_intr = &marvell_config_intr,
810 		.driver = { .owner = THIS_MODULE },
811 	},
812 	{
813 		.phy_id = MARVELL_PHY_ID_88E1240,
814 		.phy_id_mask = MARVELL_PHY_ID_MASK,
815 		.name = "Marvell 88E1240",
816 		.features = PHY_GBIT_FEATURES,
817 		.flags = PHY_HAS_INTERRUPT,
818 		.config_init = &m88e1111_config_init,
819 		.config_aneg = &marvell_config_aneg,
820 		.read_status = &genphy_read_status,
821 		.ack_interrupt = &marvell_ack_interrupt,
822 		.config_intr = &marvell_config_intr,
823 		.driver = { .owner = THIS_MODULE },
824 	},
825 };
826 
827 static int __init marvell_init(void)
828 {
829 	return phy_drivers_register(marvell_drivers,
830 		 ARRAY_SIZE(marvell_drivers));
831 }
832 
833 static void __exit marvell_exit(void)
834 {
835 	phy_drivers_unregister(marvell_drivers,
836 		 ARRAY_SIZE(marvell_drivers));
837 }
838 
839 module_init(marvell_init);
840 module_exit(marvell_exit);
841 
842 static struct mdio_device_id __maybe_unused marvell_tbl[] = {
843 	{ 0x01410c60, 0xfffffff0 },
844 	{ 0x01410c90, 0xfffffff0 },
845 	{ 0x01410cc0, 0xfffffff0 },
846 	{ 0x01410e10, 0xfffffff0 },
847 	{ 0x01410cb0, 0xfffffff0 },
848 	{ 0x01410cd0, 0xfffffff0 },
849 	{ 0x01410e50, 0xfffffff0 },
850 	{ 0x01410e30, 0xfffffff0 },
851 	{ 0x01410e90, 0xfffffff0 },
852 	{ }
853 };
854 
855 MODULE_DEVICE_TABLE(mdio, marvell_tbl);
856