4 * SPDX-License-Identifier: GPL-2.0+
6 * Copyright 2010-2011 Freescale Semiconductor, Inc.
13 #define PHY_AUTONEGOTIATE_TIMEOUT 5000
15 /* 88E1011 PHY Status Register */
16 #define MIIM_88E1xxx_PHY_STATUS 0x11
17 #define MIIM_88E1xxx_PHYSTAT_SPEED 0xc000
18 #define MIIM_88E1xxx_PHYSTAT_GBIT 0x8000
19 #define MIIM_88E1xxx_PHYSTAT_100 0x4000
20 #define MIIM_88E1xxx_PHYSTAT_DUPLEX 0x2000
21 #define MIIM_88E1xxx_PHYSTAT_SPDDONE 0x0800
22 #define MIIM_88E1xxx_PHYSTAT_LINK 0x0400
24 #define MIIM_88E1xxx_PHY_SCR 0x10
25 #define MIIM_88E1xxx_PHY_MDI_X_AUTO 0x0060
27 /* 88E1111 PHY LED Control Register */
28 #define MIIM_88E1111_PHY_LED_CONTROL 24
29 #define MIIM_88E1111_PHY_LED_DIRECT 0x4100
30 #define MIIM_88E1111_PHY_LED_COMBINE 0x411C
32 /* 88E1111 Extended PHY Specific Control Register */
33 #define MIIM_88E1111_PHY_EXT_CR 0x14
34 #define MIIM_88E1111_RX_DELAY 0x80
35 #define MIIM_88E1111_TX_DELAY 0x2
37 /* 88E1111 Extended PHY Specific Status Register */
38 #define MIIM_88E1111_PHY_EXT_SR 0x1b
39 #define MIIM_88E1111_HWCFG_MODE_MASK 0xf
40 #define MIIM_88E1111_HWCFG_MODE_COPPER_RGMII 0xb
41 #define MIIM_88E1111_HWCFG_MODE_FIBER_RGMII 0x3
42 #define MIIM_88E1111_HWCFG_MODE_SGMII_NO_CLK 0x4
43 #define MIIM_88E1111_HWCFG_MODE_COPPER_RTBI 0x9
44 #define MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO 0x8000
45 #define MIIM_88E1111_HWCFG_FIBER_COPPER_RES 0x2000
47 #define MIIM_88E1111_COPPER 0
48 #define MIIM_88E1111_FIBER 1
50 /* 88E1118 PHY defines */
51 #define MIIM_88E1118_PHY_PAGE 22
52 #define MIIM_88E1118_PHY_LED_PAGE 3
54 /* 88E1121 PHY LED Control Register */
55 #define MIIM_88E1121_PHY_LED_CTRL 16
56 #define MIIM_88E1121_PHY_LED_PAGE 3
57 #define MIIM_88E1121_PHY_LED_DEF 0x0030
59 /* 88E1121 PHY IRQ Enable/Status Register */
60 #define MIIM_88E1121_PHY_IRQ_EN 18
61 #define MIIM_88E1121_PHY_IRQ_STATUS 19
63 #define MIIM_88E1121_PHY_PAGE 22
65 /* 88E1145 Extended PHY Specific Control Register */
66 #define MIIM_88E1145_PHY_EXT_CR 20
67 #define MIIM_M88E1145_RGMII_RX_DELAY 0x0080
68 #define MIIM_M88E1145_RGMII_TX_DELAY 0x0002
70 #define MIIM_88E1145_PHY_LED_CONTROL 24
71 #define MIIM_88E1145_PHY_LED_DIRECT 0x4100
73 #define MIIM_88E1145_PHY_PAGE 29
74 #define MIIM_88E1145_PHY_CAL_OV 30
76 #define MIIM_88E1149_PHY_PAGE 29
78 /* 88E1310 PHY defines */
79 #define MIIM_88E1310_PHY_LED_CTRL 16
80 #define MIIM_88E1310_PHY_IRQ_EN 18
81 #define MIIM_88E1310_PHY_RGMII_CTRL 21
82 #define MIIM_88E1310_PHY_PAGE 22
84 /* Marvell 88E1011S */
85 static int m88e1011s_config(struct phy_device *phydev)
87 /* Reset and configure the PHY */
88 phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
90 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
91 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x200c);
92 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
93 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0);
94 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
96 phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
98 genphy_config_aneg(phydev);
103 /* Parse the 88E1011's status register for speed and duplex
106 static uint m88e1xxx_parse_status(struct phy_device *phydev)
109 unsigned int mii_reg;
111 mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1xxx_PHY_STATUS);
113 if ((mii_reg & MIIM_88E1xxx_PHYSTAT_LINK) &&
114 !(mii_reg & MIIM_88E1xxx_PHYSTAT_SPDDONE)) {
117 puts("Waiting for PHY realtime link");
118 while (!(mii_reg & MIIM_88E1xxx_PHYSTAT_SPDDONE)) {
119 /* Timeout reached ? */
120 if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
121 puts(" TIMEOUT !\n");
126 if ((i++ % 1000) == 0)
129 mii_reg = phy_read(phydev, MDIO_DEVAD_NONE,
130 MIIM_88E1xxx_PHY_STATUS);
133 udelay(500000); /* another 500 ms (results in faster booting) */
135 if (mii_reg & MIIM_88E1xxx_PHYSTAT_LINK)
141 if (mii_reg & MIIM_88E1xxx_PHYSTAT_DUPLEX)
142 phydev->duplex = DUPLEX_FULL;
144 phydev->duplex = DUPLEX_HALF;
146 speed = mii_reg & MIIM_88E1xxx_PHYSTAT_SPEED;
149 case MIIM_88E1xxx_PHYSTAT_GBIT:
150 phydev->speed = SPEED_1000;
152 case MIIM_88E1xxx_PHYSTAT_100:
153 phydev->speed = SPEED_100;
156 phydev->speed = SPEED_10;
163 static int m88e1011s_startup(struct phy_device *phydev)
165 genphy_update_link(phydev);
166 m88e1xxx_parse_status(phydev);
171 /* Marvell 88E1111S */
172 static int m88e1111s_config(struct phy_device *phydev)
177 if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
178 (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) ||
179 (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
180 (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) {
181 reg = phy_read(phydev,
182 MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR);
183 if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
184 (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)) {
185 reg |= (MIIM_88E1111_RX_DELAY | MIIM_88E1111_TX_DELAY);
186 } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
187 reg &= ~MIIM_88E1111_TX_DELAY;
188 reg |= MIIM_88E1111_RX_DELAY;
189 } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
190 reg &= ~MIIM_88E1111_RX_DELAY;
191 reg |= MIIM_88E1111_TX_DELAY;
195 MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR, reg);
197 reg = phy_read(phydev,
198 MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_SR);
200 reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK);
202 if (reg & MIIM_88E1111_HWCFG_FIBER_COPPER_RES)
203 reg |= MIIM_88E1111_HWCFG_MODE_FIBER_RGMII;
205 reg |= MIIM_88E1111_HWCFG_MODE_COPPER_RGMII;
208 MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_SR, reg);
211 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
212 reg = phy_read(phydev,
213 MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_SR);
215 reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK);
216 reg |= MIIM_88E1111_HWCFG_MODE_SGMII_NO_CLK;
217 reg |= MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO;
219 phy_write(phydev, MDIO_DEVAD_NONE,
220 MIIM_88E1111_PHY_EXT_SR, reg);
223 if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
224 reg = phy_read(phydev,
225 MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR);
226 reg |= (MIIM_88E1111_RX_DELAY | MIIM_88E1111_TX_DELAY);
228 MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR, reg);
230 reg = phy_read(phydev, MDIO_DEVAD_NONE,
231 MIIM_88E1111_PHY_EXT_SR);
232 reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK |
233 MIIM_88E1111_HWCFG_FIBER_COPPER_RES);
234 reg |= 0x7 | MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO;
235 phy_write(phydev, MDIO_DEVAD_NONE,
236 MIIM_88E1111_PHY_EXT_SR, reg);
240 phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
242 reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
243 while ((reg & BMCR_RESET) && --timeout) {
245 reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
248 printf("%s: phy soft reset timeout\n", __func__);
250 reg = phy_read(phydev, MDIO_DEVAD_NONE,
251 MIIM_88E1111_PHY_EXT_SR);
252 reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK |
253 MIIM_88E1111_HWCFG_FIBER_COPPER_RES);
254 reg |= MIIM_88E1111_HWCFG_MODE_COPPER_RTBI |
255 MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO;
256 phy_write(phydev, MDIO_DEVAD_NONE,
257 MIIM_88E1111_PHY_EXT_SR, reg);
262 phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
264 reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
265 while ((reg & BMCR_RESET) && --timeout) {
267 reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
270 printf("%s: phy soft reset timeout\n", __func__);
272 genphy_config_aneg(phydev);
280 * m88e1518_phy_writebits - write bits to a register
282 void m88e1518_phy_writebits(struct phy_device *phydev,
283 u8 reg_num, u16 offset, u16 len, u16 data)
287 if ((len + offset) >= 16)
288 mask = 0 - (1 << offset);
290 mask = (1 << (len + offset)) - (1 << offset);
292 reg = phy_read(phydev, MDIO_DEVAD_NONE, reg_num);
295 reg |= data << offset;
297 phy_write(phydev, MDIO_DEVAD_NONE, reg_num, reg);
300 static int m88e1518_config(struct phy_device *phydev)
303 * As per Marvell Release Notes - Alaska 88E1510/88E1518/88E1512
304 * /88E1514 Rev A0, Errata Section 3.1
307 /* EEE initialization */
308 phy_write(phydev, MDIO_DEVAD_NONE, 22, 0x00ff);
309 phy_write(phydev, MDIO_DEVAD_NONE, 17, 0x214B);
310 phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x2144);
311 phy_write(phydev, MDIO_DEVAD_NONE, 17, 0x0C28);
312 phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x2146);
313 phy_write(phydev, MDIO_DEVAD_NONE, 17, 0xB233);
314 phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x214D);
315 phy_write(phydev, MDIO_DEVAD_NONE, 17, 0xCC0C);
316 phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x2159);
317 phy_write(phydev, MDIO_DEVAD_NONE, 22, 0x0000);
319 /* SGMII-to-Copper mode initialization */
320 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
322 phy_write(phydev, MDIO_DEVAD_NONE, 22, 18);
324 /* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
325 m88e1518_phy_writebits(phydev, 20, 0, 3, 1);
327 /* PHY reset is necessary after changing MODE[2:0] */
328 m88e1518_phy_writebits(phydev, 20, 15, 1, 1);
330 /* Reset page selection */
331 phy_write(phydev, MDIO_DEVAD_NONE, 22, 0);
336 return m88e1111s_config(phydev);
339 /* Marvell 88E1510 */
340 static int m88e1510_config(struct phy_device *phydev)
343 phy_write(phydev, MDIO_DEVAD_NONE, 22, 3);
345 /* Enable INTn output on LED[2] */
346 m88e1518_phy_writebits(phydev, 18, 7, 1, 1);
349 m88e1518_phy_writebits(phydev, 16, 0, 4, 3); /* LED[0]:0011 (ACT) */
350 m88e1518_phy_writebits(phydev, 16, 4, 4, 6); /* LED[1]:0110 (LINK) */
352 /* Reset page selection */
353 phy_write(phydev, MDIO_DEVAD_NONE, 22, 0);
355 return m88e1518_config(phydev);
358 /* Marvell 88E1118 */
359 static int m88e1118_config(struct phy_device *phydev)
361 /* Change Page Number */
362 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0002);
363 /* Delay RGMII TX and RX */
364 phy_write(phydev, MDIO_DEVAD_NONE, 0x15, 0x1070);
365 /* Change Page Number */
366 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0003);
367 /* Adjust LED control */
368 phy_write(phydev, MDIO_DEVAD_NONE, 0x10, 0x021e);
369 /* Change Page Number */
370 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0000);
372 genphy_config_aneg(phydev);
379 static int m88e1118_startup(struct phy_device *phydev)
381 /* Change Page Number */
382 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0000);
384 genphy_update_link(phydev);
385 m88e1xxx_parse_status(phydev);
390 /* Marvell 88E1121R */
391 static int m88e1121_config(struct phy_device *phydev)
395 /* Configure the PHY */
396 genphy_config_aneg(phydev);
398 /* Switch the page to access the led register */
399 pg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_PAGE);
400 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_PAGE,
401 MIIM_88E1121_PHY_LED_PAGE);
403 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_LED_CTRL,
404 MIIM_88E1121_PHY_LED_DEF);
405 /* Restore the page pointer */
406 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_PAGE, pg);
408 /* Disable IRQs and de-assert interrupt */
409 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_IRQ_EN, 0);
410 phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_IRQ_STATUS);
415 /* Marvell 88E1145 */
416 static int m88e1145_config(struct phy_device *phydev)
421 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_PAGE, 0x001b);
422 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_CAL_OV, 0x418f);
423 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_PAGE, 0x0016);
424 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_CAL_OV, 0xa2da);
426 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1xxx_PHY_SCR,
427 MIIM_88E1xxx_PHY_MDI_X_AUTO);
429 reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_EXT_CR);
430 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
431 reg |= MIIM_M88E1145_RGMII_RX_DELAY |
432 MIIM_M88E1145_RGMII_TX_DELAY;
433 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_EXT_CR, reg);
435 genphy_config_aneg(phydev);
442 static int m88e1145_startup(struct phy_device *phydev)
444 genphy_update_link(phydev);
445 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_LED_CONTROL,
446 MIIM_88E1145_PHY_LED_DIRECT);
447 m88e1xxx_parse_status(phydev);
452 /* Marvell 88E1149S */
453 static int m88e1149_config(struct phy_device *phydev)
455 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1149_PHY_PAGE, 0x1f);
456 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x200c);
457 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1149_PHY_PAGE, 0x5);
458 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x0);
459 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
461 genphy_config_aneg(phydev);
468 /* Marvell 88E1310 */
469 static int m88e1310_config(struct phy_device *phydev)
473 /* LED link and activity */
474 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_PAGE, 0x0003);
475 reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_LED_CTRL);
476 reg = (reg & ~0xf) | 0x1;
477 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_LED_CTRL, reg);
479 /* Set LED2/INT to INT mode, low active */
480 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_PAGE, 0x0003);
481 reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_IRQ_EN);
482 reg = (reg & 0x77ff) | 0x0880;
483 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_IRQ_EN, reg);
485 /* Set RGMII delay */
486 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_PAGE, 0x0002);
487 reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_RGMII_CTRL);
489 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_RGMII_CTRL, reg);
491 /* Ensure to return to page 0 */
492 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_PAGE, 0x0000);
494 genphy_config_aneg(phydev);
500 static struct phy_driver M88E1011S_driver = {
501 .name = "Marvell 88E1011S",
504 .features = PHY_GBIT_FEATURES,
505 .config = &m88e1011s_config,
506 .startup = &m88e1011s_startup,
507 .shutdown = &genphy_shutdown,
510 static struct phy_driver M88E1111S_driver = {
511 .name = "Marvell 88E1111S",
514 .features = PHY_GBIT_FEATURES,
515 .config = &m88e1111s_config,
516 .startup = &m88e1011s_startup,
517 .shutdown = &genphy_shutdown,
520 static struct phy_driver M88E1118_driver = {
521 .name = "Marvell 88E1118",
524 .features = PHY_GBIT_FEATURES,
525 .config = &m88e1118_config,
526 .startup = &m88e1118_startup,
527 .shutdown = &genphy_shutdown,
530 static struct phy_driver M88E1118R_driver = {
531 .name = "Marvell 88E1118R",
534 .features = PHY_GBIT_FEATURES,
535 .config = &m88e1118_config,
536 .startup = &m88e1118_startup,
537 .shutdown = &genphy_shutdown,
540 static struct phy_driver M88E1121R_driver = {
541 .name = "Marvell 88E1121R",
544 .features = PHY_GBIT_FEATURES,
545 .config = &m88e1121_config,
546 .startup = &genphy_startup,
547 .shutdown = &genphy_shutdown,
550 static struct phy_driver M88E1145_driver = {
551 .name = "Marvell 88E1145",
554 .features = PHY_GBIT_FEATURES,
555 .config = &m88e1145_config,
556 .startup = &m88e1145_startup,
557 .shutdown = &genphy_shutdown,
560 static struct phy_driver M88E1149S_driver = {
561 .name = "Marvell 88E1149S",
564 .features = PHY_GBIT_FEATURES,
565 .config = &m88e1149_config,
566 .startup = &m88e1011s_startup,
567 .shutdown = &genphy_shutdown,
570 static struct phy_driver M88E1510_driver = {
571 .name = "Marvell 88E1510",
574 .features = PHY_GBIT_FEATURES,
575 .config = &m88e1510_config,
576 .startup = &m88e1011s_startup,
577 .shutdown = &genphy_shutdown,
580 static struct phy_driver M88E1518_driver = {
581 .name = "Marvell 88E1518",
584 .features = PHY_GBIT_FEATURES,
585 .config = &m88e1518_config,
586 .startup = &m88e1011s_startup,
587 .shutdown = &genphy_shutdown,
590 static struct phy_driver M88E1310_driver = {
591 .name = "Marvell 88E1310",
594 .features = PHY_GBIT_FEATURES,
595 .config = &m88e1310_config,
596 .startup = &m88e1011s_startup,
597 .shutdown = &genphy_shutdown,
600 int phy_marvell_init(void)
602 phy_register(&M88E1310_driver);
603 phy_register(&M88E1149S_driver);
604 phy_register(&M88E1145_driver);
605 phy_register(&M88E1121R_driver);
606 phy_register(&M88E1118_driver);
607 phy_register(&M88E1118R_driver);
608 phy_register(&M88E1111S_driver);
609 phy_register(&M88E1011S_driver);
610 phy_register(&M88E1510_driver);
611 phy_register(&M88E1518_driver);