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Merge remote-tracking branch 'drm-intel/for-linux-next'
[deliverable/linux.git] / drivers / net / phy / marvell.c
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
141 #define LPA_FIBER_1000HALF 0x40
142 #define LPA_FIBER_1000FULL 0x20
143
144 #define LPA_PAUSE_FIBER 0x180
145 #define LPA_PAUSE_ASYM_FIBER 0x100
146
147 #define ADVERTISE_FIBER_1000HALF 0x40
148 #define ADVERTISE_FIBER_1000FULL 0x20
149
150 #define ADVERTISE_PAUSE_FIBER 0x180
151 #define ADVERTISE_PAUSE_ASYM_FIBER 0x100
152
153 #define REGISTER_LINK_STATUS 0x400
154 #define NB_FIBER_STATS 1
155
156 MODULE_DESCRIPTION("Marvell PHY driver");
157 MODULE_AUTHOR("Andy Fleming");
158 MODULE_LICENSE("GPL");
159
160 struct marvell_hw_stat {
161 const char *string;
162 u8 page;
163 u8 reg;
164 u8 bits;
165 };
166
167 static struct marvell_hw_stat marvell_hw_stats[] = {
168 { "phy_receive_errors_copper", 0, 21, 16},
169 { "phy_idle_errors", 0, 10, 8 },
170 { "phy_receive_errors_fiber", 1, 21, 16},
171 };
172
173 struct marvell_priv {
174 u64 stats[ARRAY_SIZE(marvell_hw_stats)];
175 };
176
177 static int marvell_ack_interrupt(struct phy_device *phydev)
178 {
179 int err;
180
181 /* Clear the interrupts by reading the reg */
182 err = phy_read(phydev, MII_M1011_IEVENT);
183
184 if (err < 0)
185 return err;
186
187 return 0;
188 }
189
190 static int marvell_config_intr(struct phy_device *phydev)
191 {
192 int err;
193
194 if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
195 err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_INIT);
196 else
197 err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_CLEAR);
198
199 return err;
200 }
201
202 static int marvell_set_polarity(struct phy_device *phydev, int polarity)
203 {
204 int reg;
205 int err;
206 int val;
207
208 /* get the current settings */
209 reg = phy_read(phydev, MII_M1011_PHY_SCR);
210 if (reg < 0)
211 return reg;
212
213 val = reg;
214 val &= ~MII_M1011_PHY_SCR_AUTO_CROSS;
215 switch (polarity) {
216 case ETH_TP_MDI:
217 val |= MII_M1011_PHY_SCR_MDI;
218 break;
219 case ETH_TP_MDI_X:
220 val |= MII_M1011_PHY_SCR_MDI_X;
221 break;
222 case ETH_TP_MDI_AUTO:
223 case ETH_TP_MDI_INVALID:
224 default:
225 val |= MII_M1011_PHY_SCR_AUTO_CROSS;
226 break;
227 }
228
229 if (val != reg) {
230 /* Set the new polarity value in the register */
231 err = phy_write(phydev, MII_M1011_PHY_SCR, val);
232 if (err)
233 return err;
234 }
235
236 return 0;
237 }
238
239 static int marvell_config_aneg(struct phy_device *phydev)
240 {
241 int err;
242
243 /* The Marvell PHY has an errata which requires
244 * that certain registers get written in order
245 * to restart autonegotiation */
246 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
247
248 if (err < 0)
249 return err;
250
251 err = phy_write(phydev, 0x1d, 0x1f);
252 if (err < 0)
253 return err;
254
255 err = phy_write(phydev, 0x1e, 0x200c);
256 if (err < 0)
257 return err;
258
259 err = phy_write(phydev, 0x1d, 0x5);
260 if (err < 0)
261 return err;
262
263 err = phy_write(phydev, 0x1e, 0);
264 if (err < 0)
265 return err;
266
267 err = phy_write(phydev, 0x1e, 0x100);
268 if (err < 0)
269 return err;
270
271 err = marvell_set_polarity(phydev, phydev->mdix);
272 if (err < 0)
273 return err;
274
275 err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
276 MII_M1111_PHY_LED_DIRECT);
277 if (err < 0)
278 return err;
279
280 err = genphy_config_aneg(phydev);
281 if (err < 0)
282 return err;
283
284 if (phydev->autoneg != AUTONEG_ENABLE) {
285 int bmcr;
286
287 /*
288 * A write to speed/duplex bits (that is performed by
289 * genphy_config_aneg() call above) must be followed by
290 * a software reset. Otherwise, the write has no effect.
291 */
292 bmcr = phy_read(phydev, MII_BMCR);
293 if (bmcr < 0)
294 return bmcr;
295
296 err = phy_write(phydev, MII_BMCR, bmcr | BMCR_RESET);
297 if (err < 0)
298 return err;
299 }
300
301 return 0;
302 }
303
304 static int m88e1111_config_aneg(struct phy_device *phydev)
305 {
306 int err;
307
308 /* The Marvell PHY has an errata which requires
309 * that certain registers get written in order
310 * to restart autonegotiation
311 */
312 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
313
314 err = marvell_set_polarity(phydev, phydev->mdix);
315 if (err < 0)
316 return err;
317
318 err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
319 MII_M1111_PHY_LED_DIRECT);
320 if (err < 0)
321 return err;
322
323 err = genphy_config_aneg(phydev);
324 if (err < 0)
325 return err;
326
327 if (phydev->autoneg != AUTONEG_ENABLE) {
328 int bmcr;
329
330 /* A write to speed/duplex bits (that is performed by
331 * genphy_config_aneg() call above) must be followed by
332 * a software reset. Otherwise, the write has no effect.
333 */
334 bmcr = phy_read(phydev, MII_BMCR);
335 if (bmcr < 0)
336 return bmcr;
337
338 err = phy_write(phydev, MII_BMCR, bmcr | BMCR_RESET);
339 if (err < 0)
340 return err;
341 }
342
343 return 0;
344 }
345
346 #ifdef CONFIG_OF_MDIO
347 /*
348 * Set and/or override some configuration registers based on the
349 * marvell,reg-init property stored in the of_node for the phydev.
350 *
351 * marvell,reg-init = <reg-page reg mask value>,...;
352 *
353 * There may be one or more sets of <reg-page reg mask value>:
354 *
355 * reg-page: which register bank to use.
356 * reg: the register.
357 * mask: if non-zero, ANDed with existing register value.
358 * value: ORed with the masked value and written to the regiser.
359 *
360 */
361 static int marvell_of_reg_init(struct phy_device *phydev)
362 {
363 const __be32 *paddr;
364 int len, i, saved_page, current_page, page_changed, ret;
365
366 if (!phydev->mdio.dev.of_node)
367 return 0;
368
369 paddr = of_get_property(phydev->mdio.dev.of_node,
370 "marvell,reg-init", &len);
371 if (!paddr || len < (4 * sizeof(*paddr)))
372 return 0;
373
374 saved_page = phy_read(phydev, MII_MARVELL_PHY_PAGE);
375 if (saved_page < 0)
376 return saved_page;
377 page_changed = 0;
378 current_page = saved_page;
379
380 ret = 0;
381 len /= sizeof(*paddr);
382 for (i = 0; i < len - 3; i += 4) {
383 u16 reg_page = be32_to_cpup(paddr + i);
384 u16 reg = be32_to_cpup(paddr + i + 1);
385 u16 mask = be32_to_cpup(paddr + i + 2);
386 u16 val_bits = be32_to_cpup(paddr + i + 3);
387 int val;
388
389 if (reg_page != current_page) {
390 current_page = reg_page;
391 page_changed = 1;
392 ret = phy_write(phydev, MII_MARVELL_PHY_PAGE, reg_page);
393 if (ret < 0)
394 goto err;
395 }
396
397 val = 0;
398 if (mask) {
399 val = phy_read(phydev, reg);
400 if (val < 0) {
401 ret = val;
402 goto err;
403 }
404 val &= mask;
405 }
406 val |= val_bits;
407
408 ret = phy_write(phydev, reg, val);
409 if (ret < 0)
410 goto err;
411
412 }
413 err:
414 if (page_changed) {
415 i = phy_write(phydev, MII_MARVELL_PHY_PAGE, saved_page);
416 if (ret == 0)
417 ret = i;
418 }
419 return ret;
420 }
421 #else
422 static int marvell_of_reg_init(struct phy_device *phydev)
423 {
424 return 0;
425 }
426 #endif /* CONFIG_OF_MDIO */
427
428 static int m88e1121_config_aneg(struct phy_device *phydev)
429 {
430 int err, oldpage, mscr;
431
432 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
433
434 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
435 MII_88E1121_PHY_MSCR_PAGE);
436 if (err < 0)
437 return err;
438
439 if (phy_interface_is_rgmii(phydev)) {
440
441 mscr = phy_read(phydev, MII_88E1121_PHY_MSCR_REG) &
442 MII_88E1121_PHY_MSCR_DELAY_MASK;
443
444 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
445 mscr |= (MII_88E1121_PHY_MSCR_RX_DELAY |
446 MII_88E1121_PHY_MSCR_TX_DELAY);
447 else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
448 mscr |= MII_88E1121_PHY_MSCR_RX_DELAY;
449 else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
450 mscr |= MII_88E1121_PHY_MSCR_TX_DELAY;
451
452 err = phy_write(phydev, MII_88E1121_PHY_MSCR_REG, mscr);
453 if (err < 0)
454 return err;
455 }
456
457 phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
458
459 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
460 if (err < 0)
461 return err;
462
463 err = phy_write(phydev, MII_M1011_PHY_SCR,
464 MII_M1011_PHY_SCR_AUTO_CROSS);
465 if (err < 0)
466 return err;
467
468 return genphy_config_aneg(phydev);
469 }
470
471 static int m88e1318_config_aneg(struct phy_device *phydev)
472 {
473 int err, oldpage, mscr;
474
475 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
476
477 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
478 MII_88E1121_PHY_MSCR_PAGE);
479 if (err < 0)
480 return err;
481
482 mscr = phy_read(phydev, MII_88E1318S_PHY_MSCR1_REG);
483 mscr |= MII_88E1318S_PHY_MSCR1_PAD_ODD;
484
485 err = phy_write(phydev, MII_88E1318S_PHY_MSCR1_REG, mscr);
486 if (err < 0)
487 return err;
488
489 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
490 if (err < 0)
491 return err;
492
493 return m88e1121_config_aneg(phydev);
494 }
495
496 /**
497 * ethtool_adv_to_fiber_adv_t
498 * @ethadv: the ethtool advertisement settings
499 *
500 * A small helper function that translates ethtool advertisement
501 * settings to phy autonegotiation advertisements for the
502 * MII_ADV register for fiber link.
503 */
504 static inline u32 ethtool_adv_to_fiber_adv_t(u32 ethadv)
505 {
506 u32 result = 0;
507
508 if (ethadv & ADVERTISED_1000baseT_Half)
509 result |= ADVERTISE_FIBER_1000HALF;
510 if (ethadv & ADVERTISED_1000baseT_Full)
511 result |= ADVERTISE_FIBER_1000FULL;
512
513 if ((ethadv & ADVERTISE_PAUSE_ASYM) && (ethadv & ADVERTISE_PAUSE_CAP))
514 result |= LPA_PAUSE_ASYM_FIBER;
515 else if (ethadv & ADVERTISE_PAUSE_CAP)
516 result |= (ADVERTISE_PAUSE_FIBER
517 & (~ADVERTISE_PAUSE_ASYM_FIBER));
518
519 return result;
520 }
521
522 /**
523 * marvell_config_aneg_fiber - restart auto-negotiation or write BMCR
524 * @phydev: target phy_device struct
525 *
526 * Description: If auto-negotiation is enabled, we configure the
527 * advertising, and then restart auto-negotiation. If it is not
528 * enabled, then we write the BMCR. Adapted for fiber link in
529 * some Marvell's devices.
530 */
531 static int marvell_config_aneg_fiber(struct phy_device *phydev)
532 {
533 int changed = 0;
534 int err;
535 int adv, oldadv;
536 u32 advertise;
537
538 if (phydev->autoneg != AUTONEG_ENABLE)
539 return genphy_setup_forced(phydev);
540
541 /* Only allow advertising what this PHY supports */
542 phydev->advertising &= phydev->supported;
543 advertise = phydev->advertising;
544
545 /* Setup fiber advertisement */
546 adv = phy_read(phydev, MII_ADVERTISE);
547 if (adv < 0)
548 return adv;
549
550 oldadv = adv;
551 adv &= ~(ADVERTISE_FIBER_1000HALF | ADVERTISE_FIBER_1000FULL
552 | LPA_PAUSE_FIBER);
553 adv |= ethtool_adv_to_fiber_adv_t(advertise);
554
555 if (adv != oldadv) {
556 err = phy_write(phydev, MII_ADVERTISE, adv);
557 if (err < 0)
558 return err;
559
560 changed = 1;
561 }
562
563 if (changed == 0) {
564 /* Advertisement hasn't changed, but maybe aneg was never on to
565 * begin with? Or maybe phy was isolated?
566 */
567 int ctl = phy_read(phydev, MII_BMCR);
568
569 if (ctl < 0)
570 return ctl;
571
572 if (!(ctl & BMCR_ANENABLE) || (ctl & BMCR_ISOLATE))
573 changed = 1; /* do restart aneg */
574 }
575
576 /* Only restart aneg if we are advertising something different
577 * than we were before.
578 */
579 if (changed > 0)
580 changed = genphy_restart_aneg(phydev);
581
582 return changed;
583 }
584
585 static int m88e1510_config_aneg(struct phy_device *phydev)
586 {
587 int err;
588
589 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
590 if (err < 0)
591 goto error;
592
593 /* Configure the copper link first */
594 err = m88e1318_config_aneg(phydev);
595 if (err < 0)
596 goto error;
597
598 /* Then the fiber link */
599 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_FIBER);
600 if (err < 0)
601 goto error;
602
603 err = marvell_config_aneg_fiber(phydev);
604 if (err < 0)
605 goto error;
606
607 return phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
608
609 error:
610 phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
611 return err;
612 }
613
614 static int marvell_config_init(struct phy_device *phydev)
615 {
616 /* Set registers from marvell,reg-init DT property */
617 return marvell_of_reg_init(phydev);
618 }
619
620 static int m88e1116r_config_init(struct phy_device *phydev)
621 {
622 int temp;
623 int err;
624
625 temp = phy_read(phydev, MII_BMCR);
626 temp |= BMCR_RESET;
627 err = phy_write(phydev, MII_BMCR, temp);
628 if (err < 0)
629 return err;
630
631 mdelay(500);
632
633 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
634 if (err < 0)
635 return err;
636
637 temp = phy_read(phydev, MII_M1011_PHY_SCR);
638 temp |= (7 << 12); /* max number of gigabit attempts */
639 temp |= (1 << 11); /* enable downshift */
640 temp |= MII_M1011_PHY_SCR_AUTO_CROSS;
641 err = phy_write(phydev, MII_M1011_PHY_SCR, temp);
642 if (err < 0)
643 return err;
644
645 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 2);
646 if (err < 0)
647 return err;
648 temp = phy_read(phydev, MII_M1116R_CONTROL_REG_MAC);
649 temp |= (1 << 5);
650 temp |= (1 << 4);
651 err = phy_write(phydev, MII_M1116R_CONTROL_REG_MAC, temp);
652 if (err < 0)
653 return err;
654 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
655 if (err < 0)
656 return err;
657
658 temp = phy_read(phydev, MII_BMCR);
659 temp |= BMCR_RESET;
660 err = phy_write(phydev, MII_BMCR, temp);
661 if (err < 0)
662 return err;
663
664 mdelay(500);
665
666 return marvell_config_init(phydev);
667 }
668
669 static int m88e3016_config_init(struct phy_device *phydev)
670 {
671 int reg;
672
673 /* Enable Scrambler and Auto-Crossover */
674 reg = phy_read(phydev, MII_88E3016_PHY_SPEC_CTRL);
675 if (reg < 0)
676 return reg;
677
678 reg &= ~MII_88E3016_DISABLE_SCRAMBLER;
679 reg |= MII_88E3016_AUTO_MDIX_CROSSOVER;
680
681 reg = phy_write(phydev, MII_88E3016_PHY_SPEC_CTRL, reg);
682 if (reg < 0)
683 return reg;
684
685 return marvell_config_init(phydev);
686 }
687
688 static int m88e1111_config_init(struct phy_device *phydev)
689 {
690 int err;
691 int temp;
692
693 if (phy_interface_is_rgmii(phydev)) {
694
695 temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
696 if (temp < 0)
697 return temp;
698
699 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
700 temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
701 } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
702 temp &= ~MII_M1111_TX_DELAY;
703 temp |= MII_M1111_RX_DELAY;
704 } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
705 temp &= ~MII_M1111_RX_DELAY;
706 temp |= MII_M1111_TX_DELAY;
707 }
708
709 err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
710 if (err < 0)
711 return err;
712
713 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
714 if (temp < 0)
715 return temp;
716
717 temp &= ~(MII_M1111_HWCFG_MODE_MASK);
718
719 if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES)
720 temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
721 else
722 temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
723
724 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
725 if (err < 0)
726 return err;
727 }
728
729 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
730 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
731 if (temp < 0)
732 return temp;
733
734 temp &= ~(MII_M1111_HWCFG_MODE_MASK);
735 temp |= MII_M1111_HWCFG_MODE_SGMII_NO_CLK;
736 temp |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
737
738 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
739 if (err < 0)
740 return err;
741
742 /* make sure copper is selected */
743 err = phy_read(phydev, MII_M1145_PHY_EXT_ADDR_PAGE);
744 if (err < 0)
745 return err;
746
747 err = phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE,
748 err & (~0xff));
749 if (err < 0)
750 return err;
751 }
752
753 if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
754 temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
755 if (temp < 0)
756 return temp;
757 temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
758 err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
759 if (err < 0)
760 return err;
761
762 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
763 if (temp < 0)
764 return temp;
765 temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
766 temp |= 0x7 | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
767 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
768 if (err < 0)
769 return err;
770
771 /* soft reset */
772 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
773 if (err < 0)
774 return err;
775 do
776 temp = phy_read(phydev, MII_BMCR);
777 while (temp & BMCR_RESET);
778
779 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
780 if (temp < 0)
781 return temp;
782 temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
783 temp |= MII_M1111_HWCFG_MODE_COPPER_RTBI | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
784 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
785 if (err < 0)
786 return err;
787 }
788
789 err = marvell_of_reg_init(phydev);
790 if (err < 0)
791 return err;
792
793 return phy_write(phydev, MII_BMCR, BMCR_RESET);
794 }
795
796 static int m88e1121_config_init(struct phy_device *phydev)
797 {
798 int err, oldpage;
799
800 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
801
802 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1121_PHY_LED_PAGE);
803 if (err < 0)
804 return err;
805
806 /* Default PHY LED config: LED[0] .. Link, LED[1] .. Activity */
807 err = phy_write(phydev, MII_88E1121_PHY_LED_CTRL,
808 MII_88E1121_PHY_LED_DEF);
809 if (err < 0)
810 return err;
811
812 phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
813
814 /* Set marvell,reg-init configuration from device tree */
815 return marvell_config_init(phydev);
816 }
817
818 static int m88e1510_config_init(struct phy_device *phydev)
819 {
820 int err;
821 int temp;
822
823 /* SGMII-to-Copper mode initialization */
824 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
825 /* Select page 18 */
826 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 18);
827 if (err < 0)
828 return err;
829
830 /* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
831 temp = phy_read(phydev, MII_88E1510_GEN_CTRL_REG_1);
832 temp &= ~MII_88E1510_GEN_CTRL_REG_1_MODE_MASK;
833 temp |= MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII;
834 err = phy_write(phydev, MII_88E1510_GEN_CTRL_REG_1, temp);
835 if (err < 0)
836 return err;
837
838 /* PHY reset is necessary after changing MODE[2:0] */
839 temp |= MII_88E1510_GEN_CTRL_REG_1_RESET;
840 err = phy_write(phydev, MII_88E1510_GEN_CTRL_REG_1, temp);
841 if (err < 0)
842 return err;
843
844 /* Reset page selection */
845 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
846 if (err < 0)
847 return err;
848 }
849
850 return m88e1121_config_init(phydev);
851 }
852
853 static int m88e1118_config_aneg(struct phy_device *phydev)
854 {
855 int err;
856
857 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
858 if (err < 0)
859 return err;
860
861 err = phy_write(phydev, MII_M1011_PHY_SCR,
862 MII_M1011_PHY_SCR_AUTO_CROSS);
863 if (err < 0)
864 return err;
865
866 err = genphy_config_aneg(phydev);
867 return 0;
868 }
869
870 static int m88e1118_config_init(struct phy_device *phydev)
871 {
872 int err;
873
874 /* Change address */
875 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
876 if (err < 0)
877 return err;
878
879 /* Enable 1000 Mbit */
880 err = phy_write(phydev, 0x15, 0x1070);
881 if (err < 0)
882 return err;
883
884 /* Change address */
885 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0003);
886 if (err < 0)
887 return err;
888
889 /* Adjust LED Control */
890 if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS)
891 err = phy_write(phydev, 0x10, 0x1100);
892 else
893 err = phy_write(phydev, 0x10, 0x021e);
894 if (err < 0)
895 return err;
896
897 err = marvell_of_reg_init(phydev);
898 if (err < 0)
899 return err;
900
901 /* Reset address */
902 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
903 if (err < 0)
904 return err;
905
906 return phy_write(phydev, MII_BMCR, BMCR_RESET);
907 }
908
909 static int m88e1149_config_init(struct phy_device *phydev)
910 {
911 int err;
912
913 /* Change address */
914 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
915 if (err < 0)
916 return err;
917
918 /* Enable 1000 Mbit */
919 err = phy_write(phydev, 0x15, 0x1048);
920 if (err < 0)
921 return err;
922
923 err = marvell_of_reg_init(phydev);
924 if (err < 0)
925 return err;
926
927 /* Reset address */
928 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
929 if (err < 0)
930 return err;
931
932 return phy_write(phydev, MII_BMCR, BMCR_RESET);
933 }
934
935 static int m88e1145_config_init(struct phy_device *phydev)
936 {
937 int err;
938 int temp;
939
940 /* Take care of errata E0 & E1 */
941 err = phy_write(phydev, 0x1d, 0x001b);
942 if (err < 0)
943 return err;
944
945 err = phy_write(phydev, 0x1e, 0x418f);
946 if (err < 0)
947 return err;
948
949 err = phy_write(phydev, 0x1d, 0x0016);
950 if (err < 0)
951 return err;
952
953 err = phy_write(phydev, 0x1e, 0xa2da);
954 if (err < 0)
955 return err;
956
957 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
958 int temp = phy_read(phydev, MII_M1145_PHY_EXT_CR);
959 if (temp < 0)
960 return temp;
961
962 temp |= (MII_M1145_RGMII_RX_DELAY | MII_M1145_RGMII_TX_DELAY);
963
964 err = phy_write(phydev, MII_M1145_PHY_EXT_CR, temp);
965 if (err < 0)
966 return err;
967
968 if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
969 err = phy_write(phydev, 0x1d, 0x0012);
970 if (err < 0)
971 return err;
972
973 temp = phy_read(phydev, 0x1e);
974 if (temp < 0)
975 return temp;
976
977 temp &= 0xf03f;
978 temp |= 2 << 9; /* 36 ohm */
979 temp |= 2 << 6; /* 39 ohm */
980
981 err = phy_write(phydev, 0x1e, temp);
982 if (err < 0)
983 return err;
984
985 err = phy_write(phydev, 0x1d, 0x3);
986 if (err < 0)
987 return err;
988
989 err = phy_write(phydev, 0x1e, 0x8000);
990 if (err < 0)
991 return err;
992 }
993 }
994
995 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
996 temp = phy_read(phydev, MII_M1145_PHY_EXT_SR);
997 if (temp < 0)
998 return temp;
999
1000 temp &= ~MII_M1145_HWCFG_MODE_MASK;
1001 temp |= MII_M1145_HWCFG_MODE_SGMII_NO_CLK;
1002 temp |= MII_M1145_HWCFG_FIBER_COPPER_AUTO;
1003
1004 err = phy_write(phydev, MII_M1145_PHY_EXT_SR, temp);
1005 if (err < 0)
1006 return err;
1007 }
1008
1009 err = marvell_of_reg_init(phydev);
1010 if (err < 0)
1011 return err;
1012
1013 return 0;
1014 }
1015
1016 /**
1017 * fiber_lpa_to_ethtool_lpa_t
1018 * @lpa: value of the MII_LPA register for fiber link
1019 *
1020 * A small helper function that translates MII_LPA
1021 * bits to ethtool LP advertisement settings.
1022 */
1023 static u32 fiber_lpa_to_ethtool_lpa_t(u32 lpa)
1024 {
1025 u32 result = 0;
1026
1027 if (lpa & LPA_FIBER_1000HALF)
1028 result |= ADVERTISED_1000baseT_Half;
1029 if (lpa & LPA_FIBER_1000FULL)
1030 result |= ADVERTISED_1000baseT_Full;
1031
1032 return result;
1033 }
1034
1035 /**
1036 * marvell_update_link - update link status in real time in @phydev
1037 * @phydev: target phy_device struct
1038 *
1039 * Description: Update the value in phydev->link to reflect the
1040 * current link value.
1041 */
1042 static int marvell_update_link(struct phy_device *phydev, int fiber)
1043 {
1044 int status;
1045
1046 /* Use the generic register for copper link, or specific
1047 * register for fiber case */
1048 if (fiber) {
1049 status = phy_read(phydev, MII_M1011_PHY_STATUS);
1050 if (status < 0)
1051 return status;
1052
1053 if ((status & REGISTER_LINK_STATUS) == 0)
1054 phydev->link = 0;
1055 else
1056 phydev->link = 1;
1057 } else {
1058 return genphy_update_link(phydev);
1059 }
1060
1061 return 0;
1062 }
1063
1064 /* marvell_read_status_page
1065 *
1066 * Description:
1067 * Check the link, then figure out the current state
1068 * by comparing what we advertise with what the link partner
1069 * advertises. Start by checking the gigabit possibilities,
1070 * then move on to 10/100.
1071 */
1072 static int marvell_read_status_page(struct phy_device *phydev, int page)
1073 {
1074 int adv;
1075 int err;
1076 int lpa;
1077 int lpagb;
1078 int status = 0;
1079 int fiber;
1080
1081 /* Detect and update the link, but return if there
1082 * was an error */
1083 if (page == MII_M1111_FIBER)
1084 fiber = 1;
1085 else
1086 fiber = 0;
1087
1088 err = marvell_update_link(phydev, fiber);
1089 if (err)
1090 return err;
1091
1092 if (AUTONEG_ENABLE == phydev->autoneg) {
1093 status = phy_read(phydev, MII_M1011_PHY_STATUS);
1094 if (status < 0)
1095 return status;
1096
1097 lpa = phy_read(phydev, MII_LPA);
1098 if (lpa < 0)
1099 return lpa;
1100
1101 lpagb = phy_read(phydev, MII_STAT1000);
1102 if (lpagb < 0)
1103 return lpagb;
1104
1105 adv = phy_read(phydev, MII_ADVERTISE);
1106 if (adv < 0)
1107 return adv;
1108
1109 lpa &= adv;
1110
1111 if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
1112 phydev->duplex = DUPLEX_FULL;
1113 else
1114 phydev->duplex = DUPLEX_HALF;
1115
1116 status = status & MII_M1011_PHY_STATUS_SPD_MASK;
1117 phydev->pause = phydev->asym_pause = 0;
1118
1119 switch (status) {
1120 case MII_M1011_PHY_STATUS_1000:
1121 phydev->speed = SPEED_1000;
1122 break;
1123
1124 case MII_M1011_PHY_STATUS_100:
1125 phydev->speed = SPEED_100;
1126 break;
1127
1128 default:
1129 phydev->speed = SPEED_10;
1130 break;
1131 }
1132
1133 if (!fiber) {
1134 phydev->lp_advertising = mii_stat1000_to_ethtool_lpa_t(lpagb) |
1135 mii_lpa_to_ethtool_lpa_t(lpa);
1136
1137 if (phydev->duplex == DUPLEX_FULL) {
1138 phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
1139 phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
1140 }
1141 } else {
1142 /* The fiber link is only 1000M capable */
1143 phydev->lp_advertising = fiber_lpa_to_ethtool_lpa_t(lpa);
1144
1145 if (phydev->duplex == DUPLEX_FULL) {
1146 if (!(lpa & LPA_PAUSE_FIBER)) {
1147 phydev->pause = 0;
1148 phydev->asym_pause = 0;
1149 } else if ((lpa & LPA_PAUSE_ASYM_FIBER)) {
1150 phydev->pause = 1;
1151 phydev->asym_pause = 1;
1152 } else {
1153 phydev->pause = 1;
1154 phydev->asym_pause = 0;
1155 }
1156 }
1157 }
1158 } else {
1159 int bmcr = phy_read(phydev, MII_BMCR);
1160
1161 if (bmcr < 0)
1162 return bmcr;
1163
1164 if (bmcr & BMCR_FULLDPLX)
1165 phydev->duplex = DUPLEX_FULL;
1166 else
1167 phydev->duplex = DUPLEX_HALF;
1168
1169 if (bmcr & BMCR_SPEED1000)
1170 phydev->speed = SPEED_1000;
1171 else if (bmcr & BMCR_SPEED100)
1172 phydev->speed = SPEED_100;
1173 else
1174 phydev->speed = SPEED_10;
1175
1176 phydev->pause = phydev->asym_pause = 0;
1177 phydev->lp_advertising = 0;
1178 }
1179
1180 return 0;
1181 }
1182
1183 /* marvell_read_status
1184 *
1185 * Some Marvell's phys have two modes: fiber and copper.
1186 * Both need status checked.
1187 * Description:
1188 * First, check the fiber link and status.
1189 * If the fiber link is down, check the copper link and status which
1190 * will be the default value if both link are down.
1191 */
1192 static int marvell_read_status(struct phy_device *phydev)
1193 {
1194 int err;
1195
1196 /* Check the fiber mode first */
1197 if (phydev->supported & SUPPORTED_FIBRE) {
1198 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_FIBER);
1199 if (err < 0)
1200 goto error;
1201
1202 err = marvell_read_status_page(phydev, MII_M1111_FIBER);
1203 if (err < 0)
1204 goto error;
1205
1206 /* If the fiber link is up, it is the selected and used link.
1207 * In this case, we need to stay in the fiber page.
1208 * Please to be careful about that, avoid to restore Copper page
1209 * in other functions which could break the behaviour
1210 * for some fiber phy like 88E1512.
1211 * */
1212 if (phydev->link)
1213 return 0;
1214
1215 /* If fiber link is down, check and save copper mode state */
1216 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
1217 if (err < 0)
1218 goto error;
1219 }
1220
1221 return marvell_read_status_page(phydev, MII_M1111_COPPER);
1222
1223 error:
1224 phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
1225 return err;
1226 }
1227
1228 /* marvell_suspend
1229 *
1230 * Some Marvell's phys have two modes: fiber and copper.
1231 * Both need to be suspended
1232 */
1233 static int marvell_suspend(struct phy_device *phydev)
1234 {
1235 int err;
1236
1237 /* Suspend the fiber mode first */
1238 if (!(phydev->supported & SUPPORTED_FIBRE)) {
1239 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_FIBER);
1240 if (err < 0)
1241 goto error;
1242
1243 /* With the page set, use the generic suspend */
1244 err = genphy_suspend(phydev);
1245 if (err < 0)
1246 goto error;
1247
1248 /* Then, the copper link */
1249 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
1250 if (err < 0)
1251 goto error;
1252 }
1253
1254 /* With the page set, use the generic suspend */
1255 return genphy_suspend(phydev);
1256
1257 error:
1258 phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
1259 return err;
1260 }
1261
1262 /* marvell_resume
1263 *
1264 * Some Marvell's phys have two modes: fiber and copper.
1265 * Both need to be resumed
1266 */
1267 static int marvell_resume(struct phy_device *phydev)
1268 {
1269 int err;
1270
1271 /* Resume the fiber mode first */
1272 if (!(phydev->supported & SUPPORTED_FIBRE)) {
1273 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_FIBER);
1274 if (err < 0)
1275 goto error;
1276
1277 /* With the page set, use the generic resume */
1278 err = genphy_resume(phydev);
1279 if (err < 0)
1280 goto error;
1281
1282 /* Then, the copper link */
1283 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
1284 if (err < 0)
1285 goto error;
1286 }
1287
1288 /* With the page set, use the generic resume */
1289 return genphy_resume(phydev);
1290
1291 error:
1292 phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
1293 return err;
1294 }
1295
1296 static int marvell_aneg_done(struct phy_device *phydev)
1297 {
1298 int retval = phy_read(phydev, MII_M1011_PHY_STATUS);
1299 return (retval < 0) ? retval : (retval & MII_M1011_PHY_STATUS_RESOLVED);
1300 }
1301
1302 static int m88e1121_did_interrupt(struct phy_device *phydev)
1303 {
1304 int imask;
1305
1306 imask = phy_read(phydev, MII_M1011_IEVENT);
1307
1308 if (imask & MII_M1011_IMASK_INIT)
1309 return 1;
1310
1311 return 0;
1312 }
1313
1314 static void m88e1318_get_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol)
1315 {
1316 wol->supported = WAKE_MAGIC;
1317 wol->wolopts = 0;
1318
1319 if (phy_write(phydev, MII_MARVELL_PHY_PAGE,
1320 MII_88E1318S_PHY_WOL_PAGE) < 0)
1321 return;
1322
1323 if (phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL) &
1324 MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE)
1325 wol->wolopts |= WAKE_MAGIC;
1326
1327 if (phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x00) < 0)
1328 return;
1329 }
1330
1331 static int m88e1318_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol)
1332 {
1333 int err, oldpage, temp;
1334
1335 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
1336
1337 if (wol->wolopts & WAKE_MAGIC) {
1338 /* Explicitly switch to page 0x00, just to be sure */
1339 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x00);
1340 if (err < 0)
1341 return err;
1342
1343 /* Enable the WOL interrupt */
1344 temp = phy_read(phydev, MII_88E1318S_PHY_CSIER);
1345 temp |= MII_88E1318S_PHY_CSIER_WOL_EIE;
1346 err = phy_write(phydev, MII_88E1318S_PHY_CSIER, temp);
1347 if (err < 0)
1348 return err;
1349
1350 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
1351 MII_88E1318S_PHY_LED_PAGE);
1352 if (err < 0)
1353 return err;
1354
1355 /* Setup LED[2] as interrupt pin (active low) */
1356 temp = phy_read(phydev, MII_88E1318S_PHY_LED_TCR);
1357 temp &= ~MII_88E1318S_PHY_LED_TCR_FORCE_INT;
1358 temp |= MII_88E1318S_PHY_LED_TCR_INTn_ENABLE;
1359 temp |= MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW;
1360 err = phy_write(phydev, MII_88E1318S_PHY_LED_TCR, temp);
1361 if (err < 0)
1362 return err;
1363
1364 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
1365 MII_88E1318S_PHY_WOL_PAGE);
1366 if (err < 0)
1367 return err;
1368
1369 /* Store the device address for the magic packet */
1370 err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD2,
1371 ((phydev->attached_dev->dev_addr[5] << 8) |
1372 phydev->attached_dev->dev_addr[4]));
1373 if (err < 0)
1374 return err;
1375 err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD1,
1376 ((phydev->attached_dev->dev_addr[3] << 8) |
1377 phydev->attached_dev->dev_addr[2]));
1378 if (err < 0)
1379 return err;
1380 err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD0,
1381 ((phydev->attached_dev->dev_addr[1] << 8) |
1382 phydev->attached_dev->dev_addr[0]));
1383 if (err < 0)
1384 return err;
1385
1386 /* Clear WOL status and enable magic packet matching */
1387 temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
1388 temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS;
1389 temp |= MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE;
1390 err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp);
1391 if (err < 0)
1392 return err;
1393 } else {
1394 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
1395 MII_88E1318S_PHY_WOL_PAGE);
1396 if (err < 0)
1397 return err;
1398
1399 /* Clear WOL status and disable magic packet matching */
1400 temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
1401 temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS;
1402 temp &= ~MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE;
1403 err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp);
1404 if (err < 0)
1405 return err;
1406 }
1407
1408 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
1409 if (err < 0)
1410 return err;
1411
1412 return 0;
1413 }
1414
1415 static int marvell_get_sset_count(struct phy_device *phydev)
1416 {
1417 if (phydev->supported & SUPPORTED_FIBRE)
1418 return ARRAY_SIZE(marvell_hw_stats);
1419 else
1420 return ARRAY_SIZE(marvell_hw_stats) - NB_FIBER_STATS;
1421 }
1422
1423 static void marvell_get_strings(struct phy_device *phydev, u8 *data)
1424 {
1425 int i;
1426
1427 for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++) {
1428 memcpy(data + i * ETH_GSTRING_LEN,
1429 marvell_hw_stats[i].string, ETH_GSTRING_LEN);
1430 }
1431 }
1432
1433 #ifndef UINT64_MAX
1434 #define UINT64_MAX (u64)(~((u64)0))
1435 #endif
1436 static u64 marvell_get_stat(struct phy_device *phydev, int i)
1437 {
1438 struct marvell_hw_stat stat = marvell_hw_stats[i];
1439 struct marvell_priv *priv = phydev->priv;
1440 int err, oldpage, val;
1441 u64 ret;
1442
1443 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
1444 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
1445 stat.page);
1446 if (err < 0)
1447 return UINT64_MAX;
1448
1449 val = phy_read(phydev, stat.reg);
1450 if (val < 0) {
1451 ret = UINT64_MAX;
1452 } else {
1453 val = val & ((1 << stat.bits) - 1);
1454 priv->stats[i] += val;
1455 ret = priv->stats[i];
1456 }
1457
1458 phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
1459
1460 return ret;
1461 }
1462
1463 static void marvell_get_stats(struct phy_device *phydev,
1464 struct ethtool_stats *stats, u64 *data)
1465 {
1466 int i;
1467
1468 for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++)
1469 data[i] = marvell_get_stat(phydev, i);
1470 }
1471
1472 static int marvell_probe(struct phy_device *phydev)
1473 {
1474 struct marvell_priv *priv;
1475
1476 priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
1477 if (!priv)
1478 return -ENOMEM;
1479
1480 phydev->priv = priv;
1481
1482 return 0;
1483 }
1484
1485 static struct phy_driver marvell_drivers[] = {
1486 {
1487 .phy_id = MARVELL_PHY_ID_88E1101,
1488 .phy_id_mask = MARVELL_PHY_ID_MASK,
1489 .name = "Marvell 88E1101",
1490 .features = PHY_GBIT_FEATURES,
1491 .probe = marvell_probe,
1492 .flags = PHY_HAS_INTERRUPT,
1493 .config_init = &marvell_config_init,
1494 .config_aneg = &marvell_config_aneg,
1495 .read_status = &genphy_read_status,
1496 .ack_interrupt = &marvell_ack_interrupt,
1497 .config_intr = &marvell_config_intr,
1498 .resume = &genphy_resume,
1499 .suspend = &genphy_suspend,
1500 .get_sset_count = marvell_get_sset_count,
1501 .get_strings = marvell_get_strings,
1502 .get_stats = marvell_get_stats,
1503 },
1504 {
1505 .phy_id = MARVELL_PHY_ID_88E1112,
1506 .phy_id_mask = MARVELL_PHY_ID_MASK,
1507 .name = "Marvell 88E1112",
1508 .features = PHY_GBIT_FEATURES,
1509 .flags = PHY_HAS_INTERRUPT,
1510 .probe = marvell_probe,
1511 .config_init = &m88e1111_config_init,
1512 .config_aneg = &marvell_config_aneg,
1513 .read_status = &genphy_read_status,
1514 .ack_interrupt = &marvell_ack_interrupt,
1515 .config_intr = &marvell_config_intr,
1516 .resume = &genphy_resume,
1517 .suspend = &genphy_suspend,
1518 .get_sset_count = marvell_get_sset_count,
1519 .get_strings = marvell_get_strings,
1520 .get_stats = marvell_get_stats,
1521 },
1522 {
1523 .phy_id = MARVELL_PHY_ID_88E1111,
1524 .phy_id_mask = MARVELL_PHY_ID_MASK,
1525 .name = "Marvell 88E1111",
1526 .features = PHY_GBIT_FEATURES,
1527 .flags = PHY_HAS_INTERRUPT,
1528 .probe = marvell_probe,
1529 .config_init = &m88e1111_config_init,
1530 .config_aneg = &m88e1111_config_aneg,
1531 .read_status = &marvell_read_status,
1532 .ack_interrupt = &marvell_ack_interrupt,
1533 .config_intr = &marvell_config_intr,
1534 .resume = &genphy_resume,
1535 .suspend = &genphy_suspend,
1536 .get_sset_count = marvell_get_sset_count,
1537 .get_strings = marvell_get_strings,
1538 .get_stats = marvell_get_stats,
1539 },
1540 {
1541 .phy_id = MARVELL_PHY_ID_88E1118,
1542 .phy_id_mask = MARVELL_PHY_ID_MASK,
1543 .name = "Marvell 88E1118",
1544 .features = PHY_GBIT_FEATURES,
1545 .flags = PHY_HAS_INTERRUPT,
1546 .probe = marvell_probe,
1547 .config_init = &m88e1118_config_init,
1548 .config_aneg = &m88e1118_config_aneg,
1549 .read_status = &genphy_read_status,
1550 .ack_interrupt = &marvell_ack_interrupt,
1551 .config_intr = &marvell_config_intr,
1552 .resume = &genphy_resume,
1553 .suspend = &genphy_suspend,
1554 .get_sset_count = marvell_get_sset_count,
1555 .get_strings = marvell_get_strings,
1556 .get_stats = marvell_get_stats,
1557 },
1558 {
1559 .phy_id = MARVELL_PHY_ID_88E1121R,
1560 .phy_id_mask = MARVELL_PHY_ID_MASK,
1561 .name = "Marvell 88E1121R",
1562 .features = PHY_GBIT_FEATURES,
1563 .flags = PHY_HAS_INTERRUPT,
1564 .probe = marvell_probe,
1565 .config_init = &m88e1121_config_init,
1566 .config_aneg = &m88e1121_config_aneg,
1567 .read_status = &marvell_read_status,
1568 .ack_interrupt = &marvell_ack_interrupt,
1569 .config_intr = &marvell_config_intr,
1570 .did_interrupt = &m88e1121_did_interrupt,
1571 .resume = &genphy_resume,
1572 .suspend = &genphy_suspend,
1573 .get_sset_count = marvell_get_sset_count,
1574 .get_strings = marvell_get_strings,
1575 .get_stats = marvell_get_stats,
1576 },
1577 {
1578 .phy_id = MARVELL_PHY_ID_88E1318S,
1579 .phy_id_mask = MARVELL_PHY_ID_MASK,
1580 .name = "Marvell 88E1318S",
1581 .features = PHY_GBIT_FEATURES,
1582 .flags = PHY_HAS_INTERRUPT,
1583 .probe = marvell_probe,
1584 .config_init = &m88e1121_config_init,
1585 .config_aneg = &m88e1318_config_aneg,
1586 .read_status = &marvell_read_status,
1587 .ack_interrupt = &marvell_ack_interrupt,
1588 .config_intr = &marvell_config_intr,
1589 .did_interrupt = &m88e1121_did_interrupt,
1590 .get_wol = &m88e1318_get_wol,
1591 .set_wol = &m88e1318_set_wol,
1592 .resume = &genphy_resume,
1593 .suspend = &genphy_suspend,
1594 .get_sset_count = marvell_get_sset_count,
1595 .get_strings = marvell_get_strings,
1596 .get_stats = marvell_get_stats,
1597 },
1598 {
1599 .phy_id = MARVELL_PHY_ID_88E1145,
1600 .phy_id_mask = MARVELL_PHY_ID_MASK,
1601 .name = "Marvell 88E1145",
1602 .features = PHY_GBIT_FEATURES,
1603 .flags = PHY_HAS_INTERRUPT,
1604 .probe = marvell_probe,
1605 .config_init = &m88e1145_config_init,
1606 .config_aneg = &marvell_config_aneg,
1607 .read_status = &genphy_read_status,
1608 .ack_interrupt = &marvell_ack_interrupt,
1609 .config_intr = &marvell_config_intr,
1610 .resume = &genphy_resume,
1611 .suspend = &genphy_suspend,
1612 .get_sset_count = marvell_get_sset_count,
1613 .get_strings = marvell_get_strings,
1614 .get_stats = marvell_get_stats,
1615 },
1616 {
1617 .phy_id = MARVELL_PHY_ID_88E1149R,
1618 .phy_id_mask = MARVELL_PHY_ID_MASK,
1619 .name = "Marvell 88E1149R",
1620 .features = PHY_GBIT_FEATURES,
1621 .flags = PHY_HAS_INTERRUPT,
1622 .probe = marvell_probe,
1623 .config_init = &m88e1149_config_init,
1624 .config_aneg = &m88e1118_config_aneg,
1625 .read_status = &genphy_read_status,
1626 .ack_interrupt = &marvell_ack_interrupt,
1627 .config_intr = &marvell_config_intr,
1628 .resume = &genphy_resume,
1629 .suspend = &genphy_suspend,
1630 .get_sset_count = marvell_get_sset_count,
1631 .get_strings = marvell_get_strings,
1632 .get_stats = marvell_get_stats,
1633 },
1634 {
1635 .phy_id = MARVELL_PHY_ID_88E1240,
1636 .phy_id_mask = MARVELL_PHY_ID_MASK,
1637 .name = "Marvell 88E1240",
1638 .features = PHY_GBIT_FEATURES,
1639 .flags = PHY_HAS_INTERRUPT,
1640 .probe = marvell_probe,
1641 .config_init = &m88e1111_config_init,
1642 .config_aneg = &marvell_config_aneg,
1643 .read_status = &genphy_read_status,
1644 .ack_interrupt = &marvell_ack_interrupt,
1645 .config_intr = &marvell_config_intr,
1646 .resume = &genphy_resume,
1647 .suspend = &genphy_suspend,
1648 .get_sset_count = marvell_get_sset_count,
1649 .get_strings = marvell_get_strings,
1650 .get_stats = marvell_get_stats,
1651 },
1652 {
1653 .phy_id = MARVELL_PHY_ID_88E1116R,
1654 .phy_id_mask = MARVELL_PHY_ID_MASK,
1655 .name = "Marvell 88E1116R",
1656 .features = PHY_GBIT_FEATURES,
1657 .flags = PHY_HAS_INTERRUPT,
1658 .probe = marvell_probe,
1659 .config_init = &m88e1116r_config_init,
1660 .config_aneg = &genphy_config_aneg,
1661 .read_status = &genphy_read_status,
1662 .ack_interrupt = &marvell_ack_interrupt,
1663 .config_intr = &marvell_config_intr,
1664 .resume = &genphy_resume,
1665 .suspend = &genphy_suspend,
1666 .get_sset_count = marvell_get_sset_count,
1667 .get_strings = marvell_get_strings,
1668 .get_stats = marvell_get_stats,
1669 },
1670 {
1671 .phy_id = MARVELL_PHY_ID_88E1510,
1672 .phy_id_mask = MARVELL_PHY_ID_MASK,
1673 .name = "Marvell 88E1510",
1674 .features = PHY_GBIT_FEATURES | SUPPORTED_FIBRE,
1675 .flags = PHY_HAS_INTERRUPT,
1676 .probe = marvell_probe,
1677 .config_init = &m88e1510_config_init,
1678 .config_aneg = &m88e1510_config_aneg,
1679 .read_status = &marvell_read_status,
1680 .ack_interrupt = &marvell_ack_interrupt,
1681 .config_intr = &marvell_config_intr,
1682 .did_interrupt = &m88e1121_did_interrupt,
1683 .resume = &marvell_resume,
1684 .suspend = &marvell_suspend,
1685 .get_sset_count = marvell_get_sset_count,
1686 .get_strings = marvell_get_strings,
1687 .get_stats = marvell_get_stats,
1688 },
1689 {
1690 .phy_id = MARVELL_PHY_ID_88E1540,
1691 .phy_id_mask = MARVELL_PHY_ID_MASK,
1692 .name = "Marvell 88E1540",
1693 .features = PHY_GBIT_FEATURES,
1694 .flags = PHY_HAS_INTERRUPT,
1695 .probe = marvell_probe,
1696 .config_init = &marvell_config_init,
1697 .config_aneg = &m88e1510_config_aneg,
1698 .read_status = &marvell_read_status,
1699 .ack_interrupt = &marvell_ack_interrupt,
1700 .config_intr = &marvell_config_intr,
1701 .did_interrupt = &m88e1121_did_interrupt,
1702 .resume = &genphy_resume,
1703 .suspend = &genphy_suspend,
1704 .get_sset_count = marvell_get_sset_count,
1705 .get_strings = marvell_get_strings,
1706 .get_stats = marvell_get_stats,
1707 },
1708 {
1709 .phy_id = MARVELL_PHY_ID_88E3016,
1710 .phy_id_mask = MARVELL_PHY_ID_MASK,
1711 .name = "Marvell 88E3016",
1712 .features = PHY_BASIC_FEATURES,
1713 .flags = PHY_HAS_INTERRUPT,
1714 .probe = marvell_probe,
1715 .config_aneg = &genphy_config_aneg,
1716 .config_init = &m88e3016_config_init,
1717 .aneg_done = &marvell_aneg_done,
1718 .read_status = &marvell_read_status,
1719 .ack_interrupt = &marvell_ack_interrupt,
1720 .config_intr = &marvell_config_intr,
1721 .did_interrupt = &m88e1121_did_interrupt,
1722 .resume = &genphy_resume,
1723 .suspend = &genphy_suspend,
1724 .get_sset_count = marvell_get_sset_count,
1725 .get_strings = marvell_get_strings,
1726 .get_stats = marvell_get_stats,
1727 },
1728 };
1729
1730 module_phy_driver(marvell_drivers);
1731
1732 static struct mdio_device_id __maybe_unused marvell_tbl[] = {
1733 { MARVELL_PHY_ID_88E1101, MARVELL_PHY_ID_MASK },
1734 { MARVELL_PHY_ID_88E1112, MARVELL_PHY_ID_MASK },
1735 { MARVELL_PHY_ID_88E1111, MARVELL_PHY_ID_MASK },
1736 { MARVELL_PHY_ID_88E1118, MARVELL_PHY_ID_MASK },
1737 { MARVELL_PHY_ID_88E1121R, MARVELL_PHY_ID_MASK },
1738 { MARVELL_PHY_ID_88E1145, MARVELL_PHY_ID_MASK },
1739 { MARVELL_PHY_ID_88E1149R, MARVELL_PHY_ID_MASK },
1740 { MARVELL_PHY_ID_88E1240, MARVELL_PHY_ID_MASK },
1741 { MARVELL_PHY_ID_88E1318S, MARVELL_PHY_ID_MASK },
1742 { MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK },
1743 { MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK },
1744 { MARVELL_PHY_ID_88E1540, MARVELL_PHY_ID_MASK },
1745 { MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK },
1746 { }
1747 };
1748
1749 MODULE_DEVICE_TABLE(mdio, marvell_tbl);
Linux kernel - Deliverables
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