diff options
Diffstat (limited to 'drivers/net/phy/marvell.c')
-rw-r--r-- | drivers/net/phy/marvell.c | 182 |
1 files changed, 160 insertions, 22 deletions
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index e2afdce0a437..e8b9c53c304b 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c | |||
@@ -30,11 +30,14 @@ | |||
30 | #include <linux/ethtool.h> | 30 | #include <linux/ethtool.h> |
31 | #include <linux/phy.h> | 31 | #include <linux/phy.h> |
32 | #include <linux/marvell_phy.h> | 32 | #include <linux/marvell_phy.h> |
33 | #include <linux/of.h> | ||
33 | 34 | ||
34 | #include <asm/io.h> | 35 | #include <asm/io.h> |
35 | #include <asm/irq.h> | 36 | #include <asm/irq.h> |
36 | #include <asm/uaccess.h> | 37 | #include <asm/uaccess.h> |
37 | 38 | ||
39 | #define MII_MARVELL_PHY_PAGE 22 | ||
40 | |||
38 | #define MII_M1011_IEVENT 0x13 | 41 | #define MII_M1011_IEVENT 0x13 |
39 | #define MII_M1011_IEVENT_CLEAR 0x0000 | 42 | #define MII_M1011_IEVENT_CLEAR 0x0000 |
40 | 43 | ||
@@ -74,13 +77,12 @@ | |||
74 | #define MII_88E1121_PHY_MSCR_TX_DELAY BIT(4) | 77 | #define MII_88E1121_PHY_MSCR_TX_DELAY BIT(4) |
75 | #define MII_88E1121_PHY_MSCR_DELAY_MASK (~(0x3 << 4)) | 78 | #define MII_88E1121_PHY_MSCR_DELAY_MASK (~(0x3 << 4)) |
76 | 79 | ||
77 | #define MII_88EC048_PHY_MSCR1_REG 16 | 80 | #define MII_88E1318S_PHY_MSCR1_REG 16 |
78 | #define MII_88EC048_PHY_MSCR1_PAD_ODD BIT(6) | 81 | #define MII_88E1318S_PHY_MSCR1_PAD_ODD BIT(6) |
79 | 82 | ||
80 | #define MII_88E1121_PHY_LED_CTRL 16 | 83 | #define MII_88E1121_PHY_LED_CTRL 16 |
81 | #define MII_88E1121_PHY_LED_PAGE 3 | 84 | #define MII_88E1121_PHY_LED_PAGE 3 |
82 | #define MII_88E1121_PHY_LED_DEF 0x0030 | 85 | #define MII_88E1121_PHY_LED_DEF 0x0030 |
83 | #define MII_88E1121_PHY_PAGE 22 | ||
84 | 86 | ||
85 | #define MII_M1011_PHY_STATUS 0x11 | 87 | #define MII_M1011_PHY_STATUS 0x11 |
86 | #define MII_M1011_PHY_STATUS_1000 0x8000 | 88 | #define MII_M1011_PHY_STATUS_1000 0x8000 |
@@ -186,13 +188,94 @@ static int marvell_config_aneg(struct phy_device *phydev) | |||
186 | return 0; | 188 | return 0; |
187 | } | 189 | } |
188 | 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 | |||
189 | static int m88e1121_config_aneg(struct phy_device *phydev) | 272 | static int m88e1121_config_aneg(struct phy_device *phydev) |
190 | { | 273 | { |
191 | int err, oldpage, mscr; | 274 | int err, oldpage, mscr; |
192 | 275 | ||
193 | oldpage = phy_read(phydev, MII_88E1121_PHY_PAGE); | 276 | oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE); |
194 | 277 | ||
195 | err = phy_write(phydev, MII_88E1121_PHY_PAGE, | 278 | err = phy_write(phydev, MII_MARVELL_PHY_PAGE, |
196 | MII_88E1121_PHY_MSCR_PAGE); | 279 | MII_88E1121_PHY_MSCR_PAGE); |
197 | if (err < 0) | 280 | if (err < 0) |
198 | return err; | 281 | return err; |
@@ -218,7 +301,7 @@ static int m88e1121_config_aneg(struct phy_device *phydev) | |||
218 | return err; | 301 | return err; |
219 | } | 302 | } |
220 | 303 | ||
221 | phy_write(phydev, MII_88E1121_PHY_PAGE, oldpage); | 304 | phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage); |
222 | 305 | ||
223 | err = phy_write(phydev, MII_BMCR, BMCR_RESET); | 306 | err = phy_write(phydev, MII_BMCR, BMCR_RESET); |
224 | if (err < 0) | 307 | if (err < 0) |
@@ -229,36 +312,36 @@ static int m88e1121_config_aneg(struct phy_device *phydev) | |||
229 | if (err < 0) | 312 | if (err < 0) |
230 | return err; | 313 | return err; |
231 | 314 | ||
232 | oldpage = phy_read(phydev, MII_88E1121_PHY_PAGE); | 315 | oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE); |
233 | 316 | ||
234 | phy_write(phydev, MII_88E1121_PHY_PAGE, MII_88E1121_PHY_LED_PAGE); | 317 | phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1121_PHY_LED_PAGE); |
235 | phy_write(phydev, MII_88E1121_PHY_LED_CTRL, MII_88E1121_PHY_LED_DEF); | 318 | phy_write(phydev, MII_88E1121_PHY_LED_CTRL, MII_88E1121_PHY_LED_DEF); |
236 | phy_write(phydev, MII_88E1121_PHY_PAGE, oldpage); | 319 | phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage); |
237 | 320 | ||
238 | err = genphy_config_aneg(phydev); | 321 | err = genphy_config_aneg(phydev); |
239 | 322 | ||
240 | return err; | 323 | return err; |
241 | } | 324 | } |
242 | 325 | ||
243 | static int m88ec048_config_aneg(struct phy_device *phydev) | 326 | static int m88e1318_config_aneg(struct phy_device *phydev) |
244 | { | 327 | { |
245 | int err, oldpage, mscr; | 328 | int err, oldpage, mscr; |
246 | 329 | ||
247 | oldpage = phy_read(phydev, MII_88E1121_PHY_PAGE); | 330 | oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE); |
248 | 331 | ||
249 | err = phy_write(phydev, MII_88E1121_PHY_PAGE, | 332 | err = phy_write(phydev, MII_MARVELL_PHY_PAGE, |
250 | MII_88E1121_PHY_MSCR_PAGE); | 333 | MII_88E1121_PHY_MSCR_PAGE); |
251 | if (err < 0) | 334 | if (err < 0) |
252 | return err; | 335 | return err; |
253 | 336 | ||
254 | mscr = phy_read(phydev, MII_88EC048_PHY_MSCR1_REG); | 337 | mscr = phy_read(phydev, MII_88E1318S_PHY_MSCR1_REG); |
255 | mscr |= MII_88EC048_PHY_MSCR1_PAD_ODD; | 338 | mscr |= MII_88E1318S_PHY_MSCR1_PAD_ODD; |
256 | 339 | ||
257 | err = phy_write(phydev, MII_88E1121_PHY_MSCR_REG, mscr); | 340 | err = phy_write(phydev, MII_88E1318S_PHY_MSCR1_REG, mscr); |
258 | if (err < 0) | 341 | if (err < 0) |
259 | return err; | 342 | return err; |
260 | 343 | ||
261 | err = phy_write(phydev, MII_88E1121_PHY_PAGE, oldpage); | 344 | err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage); |
262 | if (err < 0) | 345 | if (err < 0) |
263 | return err; | 346 | return err; |
264 | 347 | ||
@@ -368,6 +451,9 @@ static int m88e1111_config_init(struct phy_device *phydev) | |||
368 | return err; | 451 | return err; |
369 | } | 452 | } |
370 | 453 | ||
454 | err = marvell_of_reg_init(phydev); | ||
455 | if (err < 0) | ||
456 | return err; | ||
371 | 457 | ||
372 | err = phy_write(phydev, MII_BMCR, BMCR_RESET); | 458 | err = phy_write(phydev, MII_BMCR, BMCR_RESET); |
373 | if (err < 0) | 459 | if (err < 0) |
@@ -398,7 +484,7 @@ static int m88e1118_config_init(struct phy_device *phydev) | |||
398 | int err; | 484 | int err; |
399 | 485 | ||
400 | /* Change address */ | 486 | /* Change address */ |
401 | err = phy_write(phydev, 0x16, 0x0002); | 487 | err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002); |
402 | if (err < 0) | 488 | if (err < 0) |
403 | return err; | 489 | return err; |
404 | 490 | ||
@@ -408,7 +494,7 @@ static int m88e1118_config_init(struct phy_device *phydev) | |||
408 | return err; | 494 | return err; |
409 | 495 | ||
410 | /* Change address */ | 496 | /* Change address */ |
411 | err = phy_write(phydev, 0x16, 0x0003); | 497 | err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0003); |
412 | if (err < 0) | 498 | if (err < 0) |
413 | return err; | 499 | return err; |
414 | 500 | ||
@@ -420,8 +506,42 @@ static int m88e1118_config_init(struct phy_device *phydev) | |||
420 | if (err < 0) | 506 | if (err < 0) |
421 | return err; | 507 | return err; |
422 | 508 | ||
509 | err = marvell_of_reg_init(phydev); | ||
510 | if (err < 0) | ||
511 | return err; | ||
512 | |||
423 | /* Reset address */ | 513 | /* Reset address */ |
424 | err = phy_write(phydev, 0x16, 0x0); | 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 | |||
525 | static 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); | ||
425 | if (err < 0) | 545 | if (err < 0) |
426 | return err; | 546 | return err; |
427 | 547 | ||
@@ -491,6 +611,10 @@ static int m88e1145_config_init(struct phy_device *phydev) | |||
491 | } | 611 | } |
492 | } | 612 | } |
493 | 613 | ||
614 | err = marvell_of_reg_init(phydev); | ||
615 | if (err < 0) | ||
616 | return err; | ||
617 | |||
494 | return 0; | 618 | return 0; |
495 | } | 619 | } |
496 | 620 | ||
@@ -659,12 +783,12 @@ static struct phy_driver marvell_drivers[] = { | |||
659 | .driver = { .owner = THIS_MODULE }, | 783 | .driver = { .owner = THIS_MODULE }, |
660 | }, | 784 | }, |
661 | { | 785 | { |
662 | .phy_id = MARVELL_PHY_ID_88EC048, | 786 | .phy_id = MARVELL_PHY_ID_88E1318S, |
663 | .phy_id_mask = MARVELL_PHY_ID_MASK, | 787 | .phy_id_mask = MARVELL_PHY_ID_MASK, |
664 | .name = "Marvell 88EC048", | 788 | .name = "Marvell 88E1318S", |
665 | .features = PHY_GBIT_FEATURES, | 789 | .features = PHY_GBIT_FEATURES, |
666 | .flags = PHY_HAS_INTERRUPT, | 790 | .flags = PHY_HAS_INTERRUPT, |
667 | .config_aneg = &m88ec048_config_aneg, | 791 | .config_aneg = &m88e1318_config_aneg, |
668 | .read_status = &marvell_read_status, | 792 | .read_status = &marvell_read_status, |
669 | .ack_interrupt = &marvell_ack_interrupt, | 793 | .ack_interrupt = &marvell_ack_interrupt, |
670 | .config_intr = &marvell_config_intr, | 794 | .config_intr = &marvell_config_intr, |
@@ -685,6 +809,19 @@ static struct phy_driver marvell_drivers[] = { | |||
685 | .driver = { .owner = THIS_MODULE }, | 809 | .driver = { .owner = THIS_MODULE }, |
686 | }, | 810 | }, |
687 | { | 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 | { | ||
688 | .phy_id = MARVELL_PHY_ID_88E1240, | 825 | .phy_id = MARVELL_PHY_ID_88E1240, |
689 | .phy_id_mask = MARVELL_PHY_ID_MASK, | 826 | .phy_id_mask = MARVELL_PHY_ID_MASK, |
690 | .name = "Marvell 88E1240", | 827 | .name = "Marvell 88E1240", |
@@ -735,6 +872,7 @@ static struct mdio_device_id __maybe_unused marvell_tbl[] = { | |||
735 | { 0x01410e10, 0xfffffff0 }, | 872 | { 0x01410e10, 0xfffffff0 }, |
736 | { 0x01410cb0, 0xfffffff0 }, | 873 | { 0x01410cb0, 0xfffffff0 }, |
737 | { 0x01410cd0, 0xfffffff0 }, | 874 | { 0x01410cd0, 0xfffffff0 }, |
875 | { 0x01410e50, 0xfffffff0 }, | ||
738 | { 0x01410e30, 0xfffffff0 }, | 876 | { 0x01410e30, 0xfffffff0 }, |
739 | { 0x01410e90, 0xfffffff0 }, | 877 | { 0x01410e90, 0xfffffff0 }, |
740 | { } | 878 | { } |