marvell.c 43 KB

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  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. #include <linux/io.h>
  37. #include <asm/irq.h>
  38. #include <linux/uaccess.h>
  39. #define MII_MARVELL_PHY_PAGE 22
  40. #define MII_M1011_IEVENT 0x13
  41. #define MII_M1011_IEVENT_CLEAR 0x0000
  42. #define MII_M1011_IMASK 0x12
  43. #define MII_M1011_IMASK_INIT 0x6400
  44. #define MII_M1011_IMASK_CLEAR 0x0000
  45. #define MII_M1011_PHY_SCR 0x10
  46. #define MII_M1011_PHY_SCR_MDI 0x0000
  47. #define MII_M1011_PHY_SCR_MDI_X 0x0020
  48. #define MII_M1011_PHY_SCR_AUTO_CROSS 0x0060
  49. #define MII_M1145_PHY_EXT_ADDR_PAGE 0x16
  50. #define MII_M1145_PHY_EXT_SR 0x1b
  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. #define MII_M1145_HWCFG_MODE_SGMII_NO_CLK 0x4
  55. #define MII_M1145_HWCFG_MODE_MASK 0xf
  56. #define MII_M1145_HWCFG_FIBER_COPPER_AUTO 0x8000
  57. #define MII_M1145_HWCFG_MODE_SGMII_NO_CLK 0x4
  58. #define MII_M1145_HWCFG_MODE_MASK 0xf
  59. #define MII_M1145_HWCFG_FIBER_COPPER_AUTO 0x8000
  60. #define MII_M1111_PHY_LED_CONTROL 0x18
  61. #define MII_M1111_PHY_LED_DIRECT 0x4100
  62. #define MII_M1111_PHY_LED_COMBINE 0x411c
  63. #define MII_M1111_PHY_EXT_CR 0x14
  64. #define MII_M1111_RX_DELAY 0x80
  65. #define MII_M1111_TX_DELAY 0x2
  66. #define MII_M1111_PHY_EXT_SR 0x1b
  67. #define MII_M1111_HWCFG_MODE_MASK 0xf
  68. #define MII_M1111_HWCFG_MODE_COPPER_RGMII 0xb
  69. #define MII_M1111_HWCFG_MODE_FIBER_RGMII 0x3
  70. #define MII_M1111_HWCFG_MODE_SGMII_NO_CLK 0x4
  71. #define MII_M1111_HWCFG_MODE_COPPER_RTBI 0x9
  72. #define MII_M1111_HWCFG_FIBER_COPPER_AUTO 0x8000
  73. #define MII_M1111_HWCFG_FIBER_COPPER_RES 0x2000
  74. #define MII_M1111_COPPER 0
  75. #define MII_M1111_FIBER 1
  76. #define MII_88E1121_PHY_MSCR_PAGE 2
  77. #define MII_88E1121_PHY_MSCR_REG 21
  78. #define MII_88E1121_PHY_MSCR_RX_DELAY BIT(5)
  79. #define MII_88E1121_PHY_MSCR_TX_DELAY BIT(4)
  80. #define MII_88E1121_PHY_MSCR_DELAY_MASK (~(0x3 << 4))
  81. #define MII_88E1318S_PHY_MSCR1_REG 16
  82. #define MII_88E1318S_PHY_MSCR1_PAD_ODD BIT(6)
  83. /* Copper Specific Interrupt Enable Register */
  84. #define MII_88E1318S_PHY_CSIER 0x12
  85. /* WOL Event Interrupt Enable */
  86. #define MII_88E1318S_PHY_CSIER_WOL_EIE BIT(7)
  87. /* LED Timer Control Register */
  88. #define MII_88E1318S_PHY_LED_PAGE 0x03
  89. #define MII_88E1318S_PHY_LED_TCR 0x12
  90. #define MII_88E1318S_PHY_LED_TCR_FORCE_INT BIT(15)
  91. #define MII_88E1318S_PHY_LED_TCR_INTn_ENABLE BIT(7)
  92. #define MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW BIT(11)
  93. /* Magic Packet MAC address registers */
  94. #define MII_88E1318S_PHY_MAGIC_PACKET_WORD2 0x17
  95. #define MII_88E1318S_PHY_MAGIC_PACKET_WORD1 0x18
  96. #define MII_88E1318S_PHY_MAGIC_PACKET_WORD0 0x19
  97. #define MII_88E1318S_PHY_WOL_PAGE 0x11
  98. #define MII_88E1318S_PHY_WOL_CTRL 0x10
  99. #define MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS BIT(12)
  100. #define MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE BIT(14)
  101. #define MII_88E1121_PHY_LED_CTRL 16
  102. #define MII_88E1121_PHY_LED_PAGE 3
  103. #define MII_88E1121_PHY_LED_DEF 0x0030
  104. #define MII_M1011_PHY_STATUS 0x11
  105. #define MII_M1011_PHY_STATUS_1000 0x8000
  106. #define MII_M1011_PHY_STATUS_100 0x4000
  107. #define MII_M1011_PHY_STATUS_SPD_MASK 0xc000
  108. #define MII_M1011_PHY_STATUS_FULLDUPLEX 0x2000
  109. #define MII_M1011_PHY_STATUS_RESOLVED 0x0800
  110. #define MII_M1011_PHY_STATUS_LINK 0x0400
  111. #define MII_M1116R_CONTROL_REG_MAC 21
  112. #define MII_88E3016_PHY_SPEC_CTRL 0x10
  113. #define MII_88E3016_DISABLE_SCRAMBLER 0x0200
  114. #define MII_88E3016_AUTO_MDIX_CROSSOVER 0x0030
  115. #define MII_88E1510_GEN_CTRL_REG_1 0x14
  116. #define MII_88E1510_GEN_CTRL_REG_1_MODE_MASK 0x7
  117. #define MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII 0x1 /* SGMII to copper */
  118. #define MII_88E1510_GEN_CTRL_REG_1_RESET 0x8000 /* Soft reset */
  119. #define LPA_FIBER_1000HALF 0x40
  120. #define LPA_FIBER_1000FULL 0x20
  121. #define LPA_PAUSE_FIBER 0x180
  122. #define LPA_PAUSE_ASYM_FIBER 0x100
  123. #define ADVERTISE_FIBER_1000HALF 0x40
  124. #define ADVERTISE_FIBER_1000FULL 0x20
  125. #define ADVERTISE_PAUSE_FIBER 0x180
  126. #define ADVERTISE_PAUSE_ASYM_FIBER 0x100
  127. #define REGISTER_LINK_STATUS 0x400
  128. #define NB_FIBER_STATS 1
  129. MODULE_DESCRIPTION("Marvell PHY driver");
  130. MODULE_AUTHOR("Andy Fleming");
  131. MODULE_LICENSE("GPL");
  132. struct marvell_hw_stat {
  133. const char *string;
  134. u8 page;
  135. u8 reg;
  136. u8 bits;
  137. };
  138. static struct marvell_hw_stat marvell_hw_stats[] = {
  139. { "phy_receive_errors_copper", 0, 21, 16},
  140. { "phy_idle_errors", 0, 10, 8 },
  141. { "phy_receive_errors_fiber", 1, 21, 16},
  142. };
  143. struct marvell_priv {
  144. u64 stats[ARRAY_SIZE(marvell_hw_stats)];
  145. };
  146. static int marvell_ack_interrupt(struct phy_device *phydev)
  147. {
  148. int err;
  149. /* Clear the interrupts by reading the reg */
  150. err = phy_read(phydev, MII_M1011_IEVENT);
  151. if (err < 0)
  152. return err;
  153. return 0;
  154. }
  155. static int marvell_config_intr(struct phy_device *phydev)
  156. {
  157. int err;
  158. if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
  159. err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_INIT);
  160. else
  161. err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_CLEAR);
  162. return err;
  163. }
  164. static int marvell_set_polarity(struct phy_device *phydev, int polarity)
  165. {
  166. int reg;
  167. int err;
  168. int val;
  169. /* get the current settings */
  170. reg = phy_read(phydev, MII_M1011_PHY_SCR);
  171. if (reg < 0)
  172. return reg;
  173. val = reg;
  174. val &= ~MII_M1011_PHY_SCR_AUTO_CROSS;
  175. switch (polarity) {
  176. case ETH_TP_MDI:
  177. val |= MII_M1011_PHY_SCR_MDI;
  178. break;
  179. case ETH_TP_MDI_X:
  180. val |= MII_M1011_PHY_SCR_MDI_X;
  181. break;
  182. case ETH_TP_MDI_AUTO:
  183. case ETH_TP_MDI_INVALID:
  184. default:
  185. val |= MII_M1011_PHY_SCR_AUTO_CROSS;
  186. break;
  187. }
  188. if (val != reg) {
  189. /* Set the new polarity value in the register */
  190. err = phy_write(phydev, MII_M1011_PHY_SCR, val);
  191. if (err)
  192. return err;
  193. }
  194. return 0;
  195. }
  196. static int marvell_config_aneg(struct phy_device *phydev)
  197. {
  198. int err;
  199. /* The Marvell PHY has an errata which requires
  200. * that certain registers get written in order
  201. * to restart autonegotiation */
  202. err = phy_write(phydev, MII_BMCR, BMCR_RESET);
  203. if (err < 0)
  204. return err;
  205. err = phy_write(phydev, 0x1d, 0x1f);
  206. if (err < 0)
  207. return err;
  208. err = phy_write(phydev, 0x1e, 0x200c);
  209. if (err < 0)
  210. return err;
  211. err = phy_write(phydev, 0x1d, 0x5);
  212. if (err < 0)
  213. return err;
  214. err = phy_write(phydev, 0x1e, 0);
  215. if (err < 0)
  216. return err;
  217. err = phy_write(phydev, 0x1e, 0x100);
  218. if (err < 0)
  219. return err;
  220. err = marvell_set_polarity(phydev, phydev->mdix);
  221. if (err < 0)
  222. return err;
  223. err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
  224. MII_M1111_PHY_LED_DIRECT);
  225. if (err < 0)
  226. return err;
  227. err = genphy_config_aneg(phydev);
  228. if (err < 0)
  229. return err;
  230. if (phydev->autoneg != AUTONEG_ENABLE) {
  231. int bmcr;
  232. /*
  233. * A write to speed/duplex bits (that is performed by
  234. * genphy_config_aneg() call above) must be followed by
  235. * a software reset. Otherwise, the write has no effect.
  236. */
  237. bmcr = phy_read(phydev, MII_BMCR);
  238. if (bmcr < 0)
  239. return bmcr;
  240. err = phy_write(phydev, MII_BMCR, bmcr | BMCR_RESET);
  241. if (err < 0)
  242. return err;
  243. }
  244. return 0;
  245. }
  246. static int m88e1111_config_aneg(struct phy_device *phydev)
  247. {
  248. int err;
  249. /* The Marvell PHY has an errata which requires
  250. * that certain registers get written in order
  251. * to restart autonegotiation
  252. */
  253. err = phy_write(phydev, MII_BMCR, BMCR_RESET);
  254. err = marvell_set_polarity(phydev, phydev->mdix);
  255. if (err < 0)
  256. return err;
  257. err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
  258. MII_M1111_PHY_LED_DIRECT);
  259. if (err < 0)
  260. return err;
  261. err = genphy_config_aneg(phydev);
  262. if (err < 0)
  263. return err;
  264. if (phydev->autoneg != AUTONEG_ENABLE) {
  265. int bmcr;
  266. /* A write to speed/duplex bits (that is performed by
  267. * genphy_config_aneg() call above) must be followed by
  268. * a software reset. Otherwise, the write has no effect.
  269. */
  270. bmcr = phy_read(phydev, MII_BMCR);
  271. if (bmcr < 0)
  272. return bmcr;
  273. err = phy_write(phydev, MII_BMCR, bmcr | BMCR_RESET);
  274. if (err < 0)
  275. return err;
  276. }
  277. return 0;
  278. }
  279. #ifdef CONFIG_OF_MDIO
  280. /*
  281. * Set and/or override some configuration registers based on the
  282. * marvell,reg-init property stored in the of_node for the phydev.
  283. *
  284. * marvell,reg-init = <reg-page reg mask value>,...;
  285. *
  286. * There may be one or more sets of <reg-page reg mask value>:
  287. *
  288. * reg-page: which register bank to use.
  289. * reg: the register.
  290. * mask: if non-zero, ANDed with existing register value.
  291. * value: ORed with the masked value and written to the regiser.
  292. *
  293. */
  294. static int marvell_of_reg_init(struct phy_device *phydev)
  295. {
  296. const __be32 *paddr;
  297. int len, i, saved_page, current_page, page_changed, ret;
  298. if (!phydev->mdio.dev.of_node)
  299. return 0;
  300. paddr = of_get_property(phydev->mdio.dev.of_node,
  301. "marvell,reg-init", &len);
  302. if (!paddr || len < (4 * sizeof(*paddr)))
  303. return 0;
  304. saved_page = phy_read(phydev, MII_MARVELL_PHY_PAGE);
  305. if (saved_page < 0)
  306. return saved_page;
  307. page_changed = 0;
  308. current_page = saved_page;
  309. ret = 0;
  310. len /= sizeof(*paddr);
  311. for (i = 0; i < len - 3; i += 4) {
  312. u16 reg_page = be32_to_cpup(paddr + i);
  313. u16 reg = be32_to_cpup(paddr + i + 1);
  314. u16 mask = be32_to_cpup(paddr + i + 2);
  315. u16 val_bits = be32_to_cpup(paddr + i + 3);
  316. int val;
  317. if (reg_page != current_page) {
  318. current_page = reg_page;
  319. page_changed = 1;
  320. ret = phy_write(phydev, MII_MARVELL_PHY_PAGE, reg_page);
  321. if (ret < 0)
  322. goto err;
  323. }
  324. val = 0;
  325. if (mask) {
  326. val = phy_read(phydev, reg);
  327. if (val < 0) {
  328. ret = val;
  329. goto err;
  330. }
  331. val &= mask;
  332. }
  333. val |= val_bits;
  334. ret = phy_write(phydev, reg, val);
  335. if (ret < 0)
  336. goto err;
  337. }
  338. err:
  339. if (page_changed) {
  340. i = phy_write(phydev, MII_MARVELL_PHY_PAGE, saved_page);
  341. if (ret == 0)
  342. ret = i;
  343. }
  344. return ret;
  345. }
  346. #else
  347. static int marvell_of_reg_init(struct phy_device *phydev)
  348. {
  349. return 0;
  350. }
  351. #endif /* CONFIG_OF_MDIO */
  352. static int m88e1121_config_aneg(struct phy_device *phydev)
  353. {
  354. int err, oldpage, mscr;
  355. oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
  356. err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
  357. MII_88E1121_PHY_MSCR_PAGE);
  358. if (err < 0)
  359. return err;
  360. if (phy_interface_is_rgmii(phydev)) {
  361. mscr = phy_read(phydev, MII_88E1121_PHY_MSCR_REG) &
  362. MII_88E1121_PHY_MSCR_DELAY_MASK;
  363. if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
  364. mscr |= (MII_88E1121_PHY_MSCR_RX_DELAY |
  365. MII_88E1121_PHY_MSCR_TX_DELAY);
  366. else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
  367. mscr |= MII_88E1121_PHY_MSCR_RX_DELAY;
  368. else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
  369. mscr |= MII_88E1121_PHY_MSCR_TX_DELAY;
  370. err = phy_write(phydev, MII_88E1121_PHY_MSCR_REG, mscr);
  371. if (err < 0)
  372. return err;
  373. }
  374. phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
  375. err = phy_write(phydev, MII_BMCR, BMCR_RESET);
  376. if (err < 0)
  377. return err;
  378. err = phy_write(phydev, MII_M1011_PHY_SCR,
  379. MII_M1011_PHY_SCR_AUTO_CROSS);
  380. if (err < 0)
  381. return err;
  382. return genphy_config_aneg(phydev);
  383. }
  384. static int m88e1318_config_aneg(struct phy_device *phydev)
  385. {
  386. int err, oldpage, mscr;
  387. oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
  388. err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
  389. MII_88E1121_PHY_MSCR_PAGE);
  390. if (err < 0)
  391. return err;
  392. mscr = phy_read(phydev, MII_88E1318S_PHY_MSCR1_REG);
  393. mscr |= MII_88E1318S_PHY_MSCR1_PAD_ODD;
  394. err = phy_write(phydev, MII_88E1318S_PHY_MSCR1_REG, mscr);
  395. if (err < 0)
  396. return err;
  397. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
  398. if (err < 0)
  399. return err;
  400. return m88e1121_config_aneg(phydev);
  401. }
  402. /**
  403. * ethtool_adv_to_fiber_adv_t
  404. * @ethadv: the ethtool advertisement settings
  405. *
  406. * A small helper function that translates ethtool advertisement
  407. * settings to phy autonegotiation advertisements for the
  408. * MII_ADV register for fiber link.
  409. */
  410. static inline u32 ethtool_adv_to_fiber_adv_t(u32 ethadv)
  411. {
  412. u32 result = 0;
  413. if (ethadv & ADVERTISED_1000baseT_Half)
  414. result |= ADVERTISE_FIBER_1000HALF;
  415. if (ethadv & ADVERTISED_1000baseT_Full)
  416. result |= ADVERTISE_FIBER_1000FULL;
  417. if ((ethadv & ADVERTISE_PAUSE_ASYM) && (ethadv & ADVERTISE_PAUSE_CAP))
  418. result |= LPA_PAUSE_ASYM_FIBER;
  419. else if (ethadv & ADVERTISE_PAUSE_CAP)
  420. result |= (ADVERTISE_PAUSE_FIBER
  421. & (~ADVERTISE_PAUSE_ASYM_FIBER));
  422. return result;
  423. }
  424. /**
  425. * marvell_config_aneg_fiber - restart auto-negotiation or write BMCR
  426. * @phydev: target phy_device struct
  427. *
  428. * Description: If auto-negotiation is enabled, we configure the
  429. * advertising, and then restart auto-negotiation. If it is not
  430. * enabled, then we write the BMCR. Adapted for fiber link in
  431. * some Marvell's devices.
  432. */
  433. static int marvell_config_aneg_fiber(struct phy_device *phydev)
  434. {
  435. int changed = 0;
  436. int err;
  437. int adv, oldadv;
  438. u32 advertise;
  439. if (phydev->autoneg != AUTONEG_ENABLE)
  440. return genphy_setup_forced(phydev);
  441. /* Only allow advertising what this PHY supports */
  442. phydev->advertising &= phydev->supported;
  443. advertise = phydev->advertising;
  444. /* Setup fiber advertisement */
  445. adv = phy_read(phydev, MII_ADVERTISE);
  446. if (adv < 0)
  447. return adv;
  448. oldadv = adv;
  449. adv &= ~(ADVERTISE_FIBER_1000HALF | ADVERTISE_FIBER_1000FULL
  450. | LPA_PAUSE_FIBER);
  451. adv |= ethtool_adv_to_fiber_adv_t(advertise);
  452. if (adv != oldadv) {
  453. err = phy_write(phydev, MII_ADVERTISE, adv);
  454. if (err < 0)
  455. return err;
  456. changed = 1;
  457. }
  458. if (changed == 0) {
  459. /* Advertisement hasn't changed, but maybe aneg was never on to
  460. * begin with? Or maybe phy was isolated?
  461. */
  462. int ctl = phy_read(phydev, MII_BMCR);
  463. if (ctl < 0)
  464. return ctl;
  465. if (!(ctl & BMCR_ANENABLE) || (ctl & BMCR_ISOLATE))
  466. changed = 1; /* do restart aneg */
  467. }
  468. /* Only restart aneg if we are advertising something different
  469. * than we were before.
  470. */
  471. if (changed > 0)
  472. changed = genphy_restart_aneg(phydev);
  473. return changed;
  474. }
  475. static int m88e1510_config_aneg(struct phy_device *phydev)
  476. {
  477. int err;
  478. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
  479. if (err < 0)
  480. goto error;
  481. /* Configure the copper link first */
  482. err = m88e1318_config_aneg(phydev);
  483. if (err < 0)
  484. goto error;
  485. /* Then the fiber link */
  486. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_FIBER);
  487. if (err < 0)
  488. goto error;
  489. err = marvell_config_aneg_fiber(phydev);
  490. if (err < 0)
  491. goto error;
  492. return phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
  493. error:
  494. phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
  495. return err;
  496. }
  497. static int marvell_config_init(struct phy_device *phydev)
  498. {
  499. /* Set registers from marvell,reg-init DT property */
  500. return marvell_of_reg_init(phydev);
  501. }
  502. static int m88e1116r_config_init(struct phy_device *phydev)
  503. {
  504. int temp;
  505. int err;
  506. temp = phy_read(phydev, MII_BMCR);
  507. temp |= BMCR_RESET;
  508. err = phy_write(phydev, MII_BMCR, temp);
  509. if (err < 0)
  510. return err;
  511. mdelay(500);
  512. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
  513. if (err < 0)
  514. return err;
  515. temp = phy_read(phydev, MII_M1011_PHY_SCR);
  516. temp |= (7 << 12); /* max number of gigabit attempts */
  517. temp |= (1 << 11); /* enable downshift */
  518. temp |= MII_M1011_PHY_SCR_AUTO_CROSS;
  519. err = phy_write(phydev, MII_M1011_PHY_SCR, temp);
  520. if (err < 0)
  521. return err;
  522. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 2);
  523. if (err < 0)
  524. return err;
  525. temp = phy_read(phydev, MII_M1116R_CONTROL_REG_MAC);
  526. temp |= (1 << 5);
  527. temp |= (1 << 4);
  528. err = phy_write(phydev, MII_M1116R_CONTROL_REG_MAC, temp);
  529. if (err < 0)
  530. return err;
  531. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
  532. if (err < 0)
  533. return err;
  534. temp = phy_read(phydev, MII_BMCR);
  535. temp |= BMCR_RESET;
  536. err = phy_write(phydev, MII_BMCR, temp);
  537. if (err < 0)
  538. return err;
  539. mdelay(500);
  540. return marvell_config_init(phydev);
  541. }
  542. static int m88e3016_config_init(struct phy_device *phydev)
  543. {
  544. int reg;
  545. /* Enable Scrambler and Auto-Crossover */
  546. reg = phy_read(phydev, MII_88E3016_PHY_SPEC_CTRL);
  547. if (reg < 0)
  548. return reg;
  549. reg &= ~MII_88E3016_DISABLE_SCRAMBLER;
  550. reg |= MII_88E3016_AUTO_MDIX_CROSSOVER;
  551. reg = phy_write(phydev, MII_88E3016_PHY_SPEC_CTRL, reg);
  552. if (reg < 0)
  553. return reg;
  554. return marvell_config_init(phydev);
  555. }
  556. static int m88e1111_config_init(struct phy_device *phydev)
  557. {
  558. int err;
  559. int temp;
  560. if (phy_interface_is_rgmii(phydev)) {
  561. temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
  562. if (temp < 0)
  563. return temp;
  564. if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
  565. temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
  566. } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
  567. temp &= ~MII_M1111_TX_DELAY;
  568. temp |= MII_M1111_RX_DELAY;
  569. } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
  570. temp &= ~MII_M1111_RX_DELAY;
  571. temp |= MII_M1111_TX_DELAY;
  572. }
  573. err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
  574. if (err < 0)
  575. return err;
  576. temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
  577. if (temp < 0)
  578. return temp;
  579. temp &= ~(MII_M1111_HWCFG_MODE_MASK);
  580. if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES)
  581. temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
  582. else
  583. temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
  584. err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
  585. if (err < 0)
  586. return err;
  587. }
  588. if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
  589. temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
  590. if (temp < 0)
  591. return temp;
  592. temp &= ~(MII_M1111_HWCFG_MODE_MASK);
  593. temp |= MII_M1111_HWCFG_MODE_SGMII_NO_CLK;
  594. temp |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
  595. err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
  596. if (err < 0)
  597. return err;
  598. /* make sure copper is selected */
  599. err = phy_read(phydev, MII_M1145_PHY_EXT_ADDR_PAGE);
  600. if (err < 0)
  601. return err;
  602. err = phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE,
  603. err & (~0xff));
  604. if (err < 0)
  605. return err;
  606. }
  607. if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
  608. temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
  609. if (temp < 0)
  610. return temp;
  611. temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
  612. err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
  613. if (err < 0)
  614. return err;
  615. temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
  616. if (temp < 0)
  617. return temp;
  618. temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
  619. temp |= 0x7 | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
  620. err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
  621. if (err < 0)
  622. return err;
  623. /* soft reset */
  624. err = phy_write(phydev, MII_BMCR, BMCR_RESET);
  625. if (err < 0)
  626. return err;
  627. do
  628. temp = phy_read(phydev, MII_BMCR);
  629. while (temp & BMCR_RESET);
  630. temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
  631. if (temp < 0)
  632. return temp;
  633. temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
  634. temp |= MII_M1111_HWCFG_MODE_COPPER_RTBI | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
  635. err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
  636. if (err < 0)
  637. return err;
  638. }
  639. err = marvell_of_reg_init(phydev);
  640. if (err < 0)
  641. return err;
  642. return phy_write(phydev, MII_BMCR, BMCR_RESET);
  643. }
  644. static int m88e1121_config_init(struct phy_device *phydev)
  645. {
  646. int err, oldpage;
  647. oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
  648. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1121_PHY_LED_PAGE);
  649. if (err < 0)
  650. return err;
  651. /* Default PHY LED config: LED[0] .. Link, LED[1] .. Activity */
  652. err = phy_write(phydev, MII_88E1121_PHY_LED_CTRL,
  653. MII_88E1121_PHY_LED_DEF);
  654. if (err < 0)
  655. return err;
  656. phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
  657. /* Set marvell,reg-init configuration from device tree */
  658. return marvell_config_init(phydev);
  659. }
  660. static int m88e1510_config_init(struct phy_device *phydev)
  661. {
  662. int err;
  663. int temp;
  664. /* SGMII-to-Copper mode initialization */
  665. if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
  666. /* Select page 18 */
  667. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 18);
  668. if (err < 0)
  669. return err;
  670. /* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
  671. temp = phy_read(phydev, MII_88E1510_GEN_CTRL_REG_1);
  672. temp &= ~MII_88E1510_GEN_CTRL_REG_1_MODE_MASK;
  673. temp |= MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII;
  674. err = phy_write(phydev, MII_88E1510_GEN_CTRL_REG_1, temp);
  675. if (err < 0)
  676. return err;
  677. /* PHY reset is necessary after changing MODE[2:0] */
  678. temp |= MII_88E1510_GEN_CTRL_REG_1_RESET;
  679. err = phy_write(phydev, MII_88E1510_GEN_CTRL_REG_1, temp);
  680. if (err < 0)
  681. return err;
  682. /* Reset page selection */
  683. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
  684. if (err < 0)
  685. return err;
  686. }
  687. return m88e1121_config_init(phydev);
  688. }
  689. static int m88e1118_config_aneg(struct phy_device *phydev)
  690. {
  691. int err;
  692. err = phy_write(phydev, MII_BMCR, BMCR_RESET);
  693. if (err < 0)
  694. return err;
  695. err = phy_write(phydev, MII_M1011_PHY_SCR,
  696. MII_M1011_PHY_SCR_AUTO_CROSS);
  697. if (err < 0)
  698. return err;
  699. err = genphy_config_aneg(phydev);
  700. return 0;
  701. }
  702. static int m88e1118_config_init(struct phy_device *phydev)
  703. {
  704. int err;
  705. /* Change address */
  706. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
  707. if (err < 0)
  708. return err;
  709. /* Enable 1000 Mbit */
  710. err = phy_write(phydev, 0x15, 0x1070);
  711. if (err < 0)
  712. return err;
  713. /* Change address */
  714. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0003);
  715. if (err < 0)
  716. return err;
  717. /* Adjust LED Control */
  718. if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS)
  719. err = phy_write(phydev, 0x10, 0x1100);
  720. else
  721. err = phy_write(phydev, 0x10, 0x021e);
  722. if (err < 0)
  723. return err;
  724. err = marvell_of_reg_init(phydev);
  725. if (err < 0)
  726. return err;
  727. /* Reset address */
  728. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
  729. if (err < 0)
  730. return err;
  731. return phy_write(phydev, MII_BMCR, BMCR_RESET);
  732. }
  733. static int m88e1149_config_init(struct phy_device *phydev)
  734. {
  735. int err;
  736. /* Change address */
  737. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
  738. if (err < 0)
  739. return err;
  740. /* Enable 1000 Mbit */
  741. err = phy_write(phydev, 0x15, 0x1048);
  742. if (err < 0)
  743. return err;
  744. err = marvell_of_reg_init(phydev);
  745. if (err < 0)
  746. return err;
  747. /* Reset address */
  748. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
  749. if (err < 0)
  750. return err;
  751. return phy_write(phydev, MII_BMCR, BMCR_RESET);
  752. }
  753. static int m88e1145_config_init(struct phy_device *phydev)
  754. {
  755. int err;
  756. int temp;
  757. /* Take care of errata E0 & E1 */
  758. err = phy_write(phydev, 0x1d, 0x001b);
  759. if (err < 0)
  760. return err;
  761. err = phy_write(phydev, 0x1e, 0x418f);
  762. if (err < 0)
  763. return err;
  764. err = phy_write(phydev, 0x1d, 0x0016);
  765. if (err < 0)
  766. return err;
  767. err = phy_write(phydev, 0x1e, 0xa2da);
  768. if (err < 0)
  769. return err;
  770. if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
  771. int temp = phy_read(phydev, MII_M1145_PHY_EXT_CR);
  772. if (temp < 0)
  773. return temp;
  774. temp |= (MII_M1145_RGMII_RX_DELAY | MII_M1145_RGMII_TX_DELAY);
  775. err = phy_write(phydev, MII_M1145_PHY_EXT_CR, temp);
  776. if (err < 0)
  777. return err;
  778. if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
  779. err = phy_write(phydev, 0x1d, 0x0012);
  780. if (err < 0)
  781. return err;
  782. temp = phy_read(phydev, 0x1e);
  783. if (temp < 0)
  784. return temp;
  785. temp &= 0xf03f;
  786. temp |= 2 << 9; /* 36 ohm */
  787. temp |= 2 << 6; /* 39 ohm */
  788. err = phy_write(phydev, 0x1e, temp);
  789. if (err < 0)
  790. return err;
  791. err = phy_write(phydev, 0x1d, 0x3);
  792. if (err < 0)
  793. return err;
  794. err = phy_write(phydev, 0x1e, 0x8000);
  795. if (err < 0)
  796. return err;
  797. }
  798. }
  799. if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
  800. temp = phy_read(phydev, MII_M1145_PHY_EXT_SR);
  801. if (temp < 0)
  802. return temp;
  803. temp &= ~MII_M1145_HWCFG_MODE_MASK;
  804. temp |= MII_M1145_HWCFG_MODE_SGMII_NO_CLK;
  805. temp |= MII_M1145_HWCFG_FIBER_COPPER_AUTO;
  806. err = phy_write(phydev, MII_M1145_PHY_EXT_SR, temp);
  807. if (err < 0)
  808. return err;
  809. }
  810. err = marvell_of_reg_init(phydev);
  811. if (err < 0)
  812. return err;
  813. return 0;
  814. }
  815. /**
  816. * fiber_lpa_to_ethtool_lpa_t
  817. * @lpa: value of the MII_LPA register for fiber link
  818. *
  819. * A small helper function that translates MII_LPA
  820. * bits to ethtool LP advertisement settings.
  821. */
  822. static u32 fiber_lpa_to_ethtool_lpa_t(u32 lpa)
  823. {
  824. u32 result = 0;
  825. if (lpa & LPA_FIBER_1000HALF)
  826. result |= ADVERTISED_1000baseT_Half;
  827. if (lpa & LPA_FIBER_1000FULL)
  828. result |= ADVERTISED_1000baseT_Full;
  829. return result;
  830. }
  831. /**
  832. * marvell_update_link - update link status in real time in @phydev
  833. * @phydev: target phy_device struct
  834. *
  835. * Description: Update the value in phydev->link to reflect the
  836. * current link value.
  837. */
  838. static int marvell_update_link(struct phy_device *phydev, int fiber)
  839. {
  840. int status;
  841. /* Use the generic register for copper link, or specific
  842. * register for fiber case */
  843. if (fiber) {
  844. status = phy_read(phydev, MII_M1011_PHY_STATUS);
  845. if (status < 0)
  846. return status;
  847. if ((status & REGISTER_LINK_STATUS) == 0)
  848. phydev->link = 0;
  849. else
  850. phydev->link = 1;
  851. } else {
  852. return genphy_update_link(phydev);
  853. }
  854. return 0;
  855. }
  856. /* marvell_read_status_page
  857. *
  858. * Description:
  859. * Check the link, then figure out the current state
  860. * by comparing what we advertise with what the link partner
  861. * advertises. Start by checking the gigabit possibilities,
  862. * then move on to 10/100.
  863. */
  864. static int marvell_read_status_page(struct phy_device *phydev, int page)
  865. {
  866. int adv;
  867. int err;
  868. int lpa;
  869. int lpagb;
  870. int status = 0;
  871. int fiber;
  872. /* Detect and update the link, but return if there
  873. * was an error */
  874. if (page == MII_M1111_FIBER)
  875. fiber = 1;
  876. else
  877. fiber = 0;
  878. err = marvell_update_link(phydev, fiber);
  879. if (err)
  880. return err;
  881. if (AUTONEG_ENABLE == phydev->autoneg) {
  882. status = phy_read(phydev, MII_M1011_PHY_STATUS);
  883. if (status < 0)
  884. return status;
  885. lpa = phy_read(phydev, MII_LPA);
  886. if (lpa < 0)
  887. return lpa;
  888. lpagb = phy_read(phydev, MII_STAT1000);
  889. if (lpagb < 0)
  890. return lpagb;
  891. adv = phy_read(phydev, MII_ADVERTISE);
  892. if (adv < 0)
  893. return adv;
  894. lpa &= adv;
  895. if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
  896. phydev->duplex = DUPLEX_FULL;
  897. else
  898. phydev->duplex = DUPLEX_HALF;
  899. status = status & MII_M1011_PHY_STATUS_SPD_MASK;
  900. phydev->pause = phydev->asym_pause = 0;
  901. switch (status) {
  902. case MII_M1011_PHY_STATUS_1000:
  903. phydev->speed = SPEED_1000;
  904. break;
  905. case MII_M1011_PHY_STATUS_100:
  906. phydev->speed = SPEED_100;
  907. break;
  908. default:
  909. phydev->speed = SPEED_10;
  910. break;
  911. }
  912. if (!fiber) {
  913. phydev->lp_advertising = mii_stat1000_to_ethtool_lpa_t(lpagb) |
  914. mii_lpa_to_ethtool_lpa_t(lpa);
  915. if (phydev->duplex == DUPLEX_FULL) {
  916. phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
  917. phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
  918. }
  919. } else {
  920. /* The fiber link is only 1000M capable */
  921. phydev->lp_advertising = fiber_lpa_to_ethtool_lpa_t(lpa);
  922. if (phydev->duplex == DUPLEX_FULL) {
  923. if (!(lpa & LPA_PAUSE_FIBER)) {
  924. phydev->pause = 0;
  925. phydev->asym_pause = 0;
  926. } else if ((lpa & LPA_PAUSE_ASYM_FIBER)) {
  927. phydev->pause = 1;
  928. phydev->asym_pause = 1;
  929. } else {
  930. phydev->pause = 1;
  931. phydev->asym_pause = 0;
  932. }
  933. }
  934. }
  935. } else {
  936. int bmcr = phy_read(phydev, MII_BMCR);
  937. if (bmcr < 0)
  938. return bmcr;
  939. if (bmcr & BMCR_FULLDPLX)
  940. phydev->duplex = DUPLEX_FULL;
  941. else
  942. phydev->duplex = DUPLEX_HALF;
  943. if (bmcr & BMCR_SPEED1000)
  944. phydev->speed = SPEED_1000;
  945. else if (bmcr & BMCR_SPEED100)
  946. phydev->speed = SPEED_100;
  947. else
  948. phydev->speed = SPEED_10;
  949. phydev->pause = phydev->asym_pause = 0;
  950. phydev->lp_advertising = 0;
  951. }
  952. return 0;
  953. }
  954. /* marvell_read_status
  955. *
  956. * Some Marvell's phys have two modes: fiber and copper.
  957. * Both need status checked.
  958. * Description:
  959. * First, check the fiber link and status.
  960. * If the fiber link is down, check the copper link and status which
  961. * will be the default value if both link are down.
  962. */
  963. static int marvell_read_status(struct phy_device *phydev)
  964. {
  965. int err;
  966. /* Check the fiber mode first */
  967. if (phydev->supported & SUPPORTED_FIBRE) {
  968. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_FIBER);
  969. if (err < 0)
  970. goto error;
  971. err = marvell_read_status_page(phydev, MII_M1111_FIBER);
  972. if (err < 0)
  973. goto error;
  974. /* If the fiber link is up, it is the selected and used link.
  975. * In this case, we need to stay in the fiber page.
  976. * Please to be careful about that, avoid to restore Copper page
  977. * in other functions which could break the behaviour
  978. * for some fiber phy like 88E1512.
  979. * */
  980. if (phydev->link)
  981. return 0;
  982. /* If fiber link is down, check and save copper mode state */
  983. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
  984. if (err < 0)
  985. goto error;
  986. }
  987. return marvell_read_status_page(phydev, MII_M1111_COPPER);
  988. error:
  989. phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
  990. return err;
  991. }
  992. /* marvell_suspend
  993. *
  994. * Some Marvell's phys have two modes: fiber and copper.
  995. * Both need to be suspended
  996. */
  997. static int marvell_suspend(struct phy_device *phydev)
  998. {
  999. int err;
  1000. /* Suspend the fiber mode first */
  1001. if (!(phydev->supported & SUPPORTED_FIBRE)) {
  1002. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_FIBER);
  1003. if (err < 0)
  1004. goto error;
  1005. /* With the page set, use the generic suspend */
  1006. err = genphy_suspend(phydev);
  1007. if (err < 0)
  1008. goto error;
  1009. /* Then, the copper link */
  1010. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
  1011. if (err < 0)
  1012. goto error;
  1013. }
  1014. /* With the page set, use the generic suspend */
  1015. return genphy_suspend(phydev);
  1016. error:
  1017. phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
  1018. return err;
  1019. }
  1020. /* marvell_resume
  1021. *
  1022. * Some Marvell's phys have two modes: fiber and copper.
  1023. * Both need to be resumed
  1024. */
  1025. static int marvell_resume(struct phy_device *phydev)
  1026. {
  1027. int err;
  1028. /* Resume the fiber mode first */
  1029. if (!(phydev->supported & SUPPORTED_FIBRE)) {
  1030. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_FIBER);
  1031. if (err < 0)
  1032. goto error;
  1033. /* With the page set, use the generic resume */
  1034. err = genphy_resume(phydev);
  1035. if (err < 0)
  1036. goto error;
  1037. /* Then, the copper link */
  1038. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
  1039. if (err < 0)
  1040. goto error;
  1041. }
  1042. /* With the page set, use the generic resume */
  1043. return genphy_resume(phydev);
  1044. error:
  1045. phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
  1046. return err;
  1047. }
  1048. static int marvell_aneg_done(struct phy_device *phydev)
  1049. {
  1050. int retval = phy_read(phydev, MII_M1011_PHY_STATUS);
  1051. return (retval < 0) ? retval : (retval & MII_M1011_PHY_STATUS_RESOLVED);
  1052. }
  1053. static int m88e1121_did_interrupt(struct phy_device *phydev)
  1054. {
  1055. int imask;
  1056. imask = phy_read(phydev, MII_M1011_IEVENT);
  1057. if (imask & MII_M1011_IMASK_INIT)
  1058. return 1;
  1059. return 0;
  1060. }
  1061. static void m88e1318_get_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol)
  1062. {
  1063. wol->supported = WAKE_MAGIC;
  1064. wol->wolopts = 0;
  1065. if (phy_write(phydev, MII_MARVELL_PHY_PAGE,
  1066. MII_88E1318S_PHY_WOL_PAGE) < 0)
  1067. return;
  1068. if (phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL) &
  1069. MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE)
  1070. wol->wolopts |= WAKE_MAGIC;
  1071. if (phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x00) < 0)
  1072. return;
  1073. }
  1074. static int m88e1318_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol)
  1075. {
  1076. int err, oldpage, temp;
  1077. oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
  1078. if (wol->wolopts & WAKE_MAGIC) {
  1079. /* Explicitly switch to page 0x00, just to be sure */
  1080. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x00);
  1081. if (err < 0)
  1082. return err;
  1083. /* Enable the WOL interrupt */
  1084. temp = phy_read(phydev, MII_88E1318S_PHY_CSIER);
  1085. temp |= MII_88E1318S_PHY_CSIER_WOL_EIE;
  1086. err = phy_write(phydev, MII_88E1318S_PHY_CSIER, temp);
  1087. if (err < 0)
  1088. return err;
  1089. err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
  1090. MII_88E1318S_PHY_LED_PAGE);
  1091. if (err < 0)
  1092. return err;
  1093. /* Setup LED[2] as interrupt pin (active low) */
  1094. temp = phy_read(phydev, MII_88E1318S_PHY_LED_TCR);
  1095. temp &= ~MII_88E1318S_PHY_LED_TCR_FORCE_INT;
  1096. temp |= MII_88E1318S_PHY_LED_TCR_INTn_ENABLE;
  1097. temp |= MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW;
  1098. err = phy_write(phydev, MII_88E1318S_PHY_LED_TCR, temp);
  1099. if (err < 0)
  1100. return err;
  1101. err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
  1102. MII_88E1318S_PHY_WOL_PAGE);
  1103. if (err < 0)
  1104. return err;
  1105. /* Store the device address for the magic packet */
  1106. err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD2,
  1107. ((phydev->attached_dev->dev_addr[5] << 8) |
  1108. phydev->attached_dev->dev_addr[4]));
  1109. if (err < 0)
  1110. return err;
  1111. err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD1,
  1112. ((phydev->attached_dev->dev_addr[3] << 8) |
  1113. phydev->attached_dev->dev_addr[2]));
  1114. if (err < 0)
  1115. return err;
  1116. err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD0,
  1117. ((phydev->attached_dev->dev_addr[1] << 8) |
  1118. phydev->attached_dev->dev_addr[0]));
  1119. if (err < 0)
  1120. return err;
  1121. /* Clear WOL status and enable magic packet matching */
  1122. temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
  1123. temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS;
  1124. temp |= MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE;
  1125. err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp);
  1126. if (err < 0)
  1127. return err;
  1128. } else {
  1129. err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
  1130. MII_88E1318S_PHY_WOL_PAGE);
  1131. if (err < 0)
  1132. return err;
  1133. /* Clear WOL status and disable magic packet matching */
  1134. temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
  1135. temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS;
  1136. temp &= ~MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE;
  1137. err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp);
  1138. if (err < 0)
  1139. return err;
  1140. }
  1141. err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
  1142. if (err < 0)
  1143. return err;
  1144. return 0;
  1145. }
  1146. static int marvell_get_sset_count(struct phy_device *phydev)
  1147. {
  1148. if (phydev->supported & SUPPORTED_FIBRE)
  1149. return ARRAY_SIZE(marvell_hw_stats);
  1150. else
  1151. return ARRAY_SIZE(marvell_hw_stats) - NB_FIBER_STATS;
  1152. }
  1153. static void marvell_get_strings(struct phy_device *phydev, u8 *data)
  1154. {
  1155. int i;
  1156. for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++) {
  1157. memcpy(data + i * ETH_GSTRING_LEN,
  1158. marvell_hw_stats[i].string, ETH_GSTRING_LEN);
  1159. }
  1160. }
  1161. #ifndef UINT64_MAX
  1162. #define UINT64_MAX (u64)(~((u64)0))
  1163. #endif
  1164. static u64 marvell_get_stat(struct phy_device *phydev, int i)
  1165. {
  1166. struct marvell_hw_stat stat = marvell_hw_stats[i];
  1167. struct marvell_priv *priv = phydev->priv;
  1168. int err, oldpage, val;
  1169. u64 ret;
  1170. oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
  1171. err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
  1172. stat.page);
  1173. if (err < 0)
  1174. return UINT64_MAX;
  1175. val = phy_read(phydev, stat.reg);
  1176. if (val < 0) {
  1177. ret = UINT64_MAX;
  1178. } else {
  1179. val = val & ((1 << stat.bits) - 1);
  1180. priv->stats[i] += val;
  1181. ret = priv->stats[i];
  1182. }
  1183. phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
  1184. return ret;
  1185. }
  1186. static void marvell_get_stats(struct phy_device *phydev,
  1187. struct ethtool_stats *stats, u64 *data)
  1188. {
  1189. int i;
  1190. for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++)
  1191. data[i] = marvell_get_stat(phydev, i);
  1192. }
  1193. static int marvell_probe(struct phy_device *phydev)
  1194. {
  1195. struct marvell_priv *priv;
  1196. priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
  1197. if (!priv)
  1198. return -ENOMEM;
  1199. phydev->priv = priv;
  1200. return 0;
  1201. }
  1202. static struct phy_driver marvell_drivers[] = {
  1203. {
  1204. .phy_id = MARVELL_PHY_ID_88E1101,
  1205. .phy_id_mask = MARVELL_PHY_ID_MASK,
  1206. .name = "Marvell 88E1101",
  1207. .features = PHY_GBIT_FEATURES,
  1208. .probe = marvell_probe,
  1209. .flags = PHY_HAS_INTERRUPT,
  1210. .config_init = &marvell_config_init,
  1211. .config_aneg = &marvell_config_aneg,
  1212. .read_status = &genphy_read_status,
  1213. .ack_interrupt = &marvell_ack_interrupt,
  1214. .config_intr = &marvell_config_intr,
  1215. .resume = &genphy_resume,
  1216. .suspend = &genphy_suspend,
  1217. .get_sset_count = marvell_get_sset_count,
  1218. .get_strings = marvell_get_strings,
  1219. .get_stats = marvell_get_stats,
  1220. },
  1221. {
  1222. .phy_id = MARVELL_PHY_ID_88E1112,
  1223. .phy_id_mask = MARVELL_PHY_ID_MASK,
  1224. .name = "Marvell 88E1112",
  1225. .features = PHY_GBIT_FEATURES,
  1226. .flags = PHY_HAS_INTERRUPT,
  1227. .probe = marvell_probe,
  1228. .config_init = &m88e1111_config_init,
  1229. .config_aneg = &marvell_config_aneg,
  1230. .read_status = &genphy_read_status,
  1231. .ack_interrupt = &marvell_ack_interrupt,
  1232. .config_intr = &marvell_config_intr,
  1233. .resume = &genphy_resume,
  1234. .suspend = &genphy_suspend,
  1235. .get_sset_count = marvell_get_sset_count,
  1236. .get_strings = marvell_get_strings,
  1237. .get_stats = marvell_get_stats,
  1238. },
  1239. {
  1240. .phy_id = MARVELL_PHY_ID_88E1111,
  1241. .phy_id_mask = MARVELL_PHY_ID_MASK,
  1242. .name = "Marvell 88E1111",
  1243. .features = PHY_GBIT_FEATURES,
  1244. .flags = PHY_HAS_INTERRUPT,
  1245. .probe = marvell_probe,
  1246. .config_init = &m88e1111_config_init,
  1247. .config_aneg = &m88e1111_config_aneg,
  1248. .read_status = &marvell_read_status,
  1249. .ack_interrupt = &marvell_ack_interrupt,
  1250. .config_intr = &marvell_config_intr,
  1251. .resume = &genphy_resume,
  1252. .suspend = &genphy_suspend,
  1253. .get_sset_count = marvell_get_sset_count,
  1254. .get_strings = marvell_get_strings,
  1255. .get_stats = marvell_get_stats,
  1256. },
  1257. {
  1258. .phy_id = MARVELL_PHY_ID_88E1118,
  1259. .phy_id_mask = MARVELL_PHY_ID_MASK,
  1260. .name = "Marvell 88E1118",
  1261. .features = PHY_GBIT_FEATURES,
  1262. .flags = PHY_HAS_INTERRUPT,
  1263. .probe = marvell_probe,
  1264. .config_init = &m88e1118_config_init,
  1265. .config_aneg = &m88e1118_config_aneg,
  1266. .read_status = &genphy_read_status,
  1267. .ack_interrupt = &marvell_ack_interrupt,
  1268. .config_intr = &marvell_config_intr,
  1269. .resume = &genphy_resume,
  1270. .suspend = &genphy_suspend,
  1271. .get_sset_count = marvell_get_sset_count,
  1272. .get_strings = marvell_get_strings,
  1273. .get_stats = marvell_get_stats,
  1274. },
  1275. {
  1276. .phy_id = MARVELL_PHY_ID_88E1121R,
  1277. .phy_id_mask = MARVELL_PHY_ID_MASK,
  1278. .name = "Marvell 88E1121R",
  1279. .features = PHY_GBIT_FEATURES,
  1280. .flags = PHY_HAS_INTERRUPT,
  1281. .probe = marvell_probe,
  1282. .config_init = &m88e1121_config_init,
  1283. .config_aneg = &m88e1121_config_aneg,
  1284. .read_status = &marvell_read_status,
  1285. .ack_interrupt = &marvell_ack_interrupt,
  1286. .config_intr = &marvell_config_intr,
  1287. .did_interrupt = &m88e1121_did_interrupt,
  1288. .resume = &genphy_resume,
  1289. .suspend = &genphy_suspend,
  1290. .get_sset_count = marvell_get_sset_count,
  1291. .get_strings = marvell_get_strings,
  1292. .get_stats = marvell_get_stats,
  1293. },
  1294. {
  1295. .phy_id = MARVELL_PHY_ID_88E1318S,
  1296. .phy_id_mask = MARVELL_PHY_ID_MASK,
  1297. .name = "Marvell 88E1318S",
  1298. .features = PHY_GBIT_FEATURES,
  1299. .flags = PHY_HAS_INTERRUPT,
  1300. .probe = marvell_probe,
  1301. .config_init = &m88e1121_config_init,
  1302. .config_aneg = &m88e1318_config_aneg,
  1303. .read_status = &marvell_read_status,
  1304. .ack_interrupt = &marvell_ack_interrupt,
  1305. .config_intr = &marvell_config_intr,
  1306. .did_interrupt = &m88e1121_did_interrupt,
  1307. .get_wol = &m88e1318_get_wol,
  1308. .set_wol = &m88e1318_set_wol,
  1309. .resume = &genphy_resume,
  1310. .suspend = &genphy_suspend,
  1311. .get_sset_count = marvell_get_sset_count,
  1312. .get_strings = marvell_get_strings,
  1313. .get_stats = marvell_get_stats,
  1314. },
  1315. {
  1316. .phy_id = MARVELL_PHY_ID_88E1145,
  1317. .phy_id_mask = MARVELL_PHY_ID_MASK,
  1318. .name = "Marvell 88E1145",
  1319. .features = PHY_GBIT_FEATURES,
  1320. .flags = PHY_HAS_INTERRUPT,
  1321. .probe = marvell_probe,
  1322. .config_init = &m88e1145_config_init,
  1323. .config_aneg = &marvell_config_aneg,
  1324. .read_status = &genphy_read_status,
  1325. .ack_interrupt = &marvell_ack_interrupt,
  1326. .config_intr = &marvell_config_intr,
  1327. .resume = &genphy_resume,
  1328. .suspend = &genphy_suspend,
  1329. .get_sset_count = marvell_get_sset_count,
  1330. .get_strings = marvell_get_strings,
  1331. .get_stats = marvell_get_stats,
  1332. },
  1333. {
  1334. .phy_id = MARVELL_PHY_ID_88E1149R,
  1335. .phy_id_mask = MARVELL_PHY_ID_MASK,
  1336. .name = "Marvell 88E1149R",
  1337. .features = PHY_GBIT_FEATURES,
  1338. .flags = PHY_HAS_INTERRUPT,
  1339. .probe = marvell_probe,
  1340. .config_init = &m88e1149_config_init,
  1341. .config_aneg = &m88e1118_config_aneg,
  1342. .read_status = &genphy_read_status,
  1343. .ack_interrupt = &marvell_ack_interrupt,
  1344. .config_intr = &marvell_config_intr,
  1345. .resume = &genphy_resume,
  1346. .suspend = &genphy_suspend,
  1347. .get_sset_count = marvell_get_sset_count,
  1348. .get_strings = marvell_get_strings,
  1349. .get_stats = marvell_get_stats,
  1350. },
  1351. {
  1352. .phy_id = MARVELL_PHY_ID_88E1240,
  1353. .phy_id_mask = MARVELL_PHY_ID_MASK,
  1354. .name = "Marvell 88E1240",
  1355. .features = PHY_GBIT_FEATURES,
  1356. .flags = PHY_HAS_INTERRUPT,
  1357. .probe = marvell_probe,
  1358. .config_init = &m88e1111_config_init,
  1359. .config_aneg = &marvell_config_aneg,
  1360. .read_status = &genphy_read_status,
  1361. .ack_interrupt = &marvell_ack_interrupt,
  1362. .config_intr = &marvell_config_intr,
  1363. .resume = &genphy_resume,
  1364. .suspend = &genphy_suspend,
  1365. .get_sset_count = marvell_get_sset_count,
  1366. .get_strings = marvell_get_strings,
  1367. .get_stats = marvell_get_stats,
  1368. },
  1369. {
  1370. .phy_id = MARVELL_PHY_ID_88E1116R,
  1371. .phy_id_mask = MARVELL_PHY_ID_MASK,
  1372. .name = "Marvell 88E1116R",
  1373. .features = PHY_GBIT_FEATURES,
  1374. .flags = PHY_HAS_INTERRUPT,
  1375. .probe = marvell_probe,
  1376. .config_init = &m88e1116r_config_init,
  1377. .config_aneg = &genphy_config_aneg,
  1378. .read_status = &genphy_read_status,
  1379. .ack_interrupt = &marvell_ack_interrupt,
  1380. .config_intr = &marvell_config_intr,
  1381. .resume = &genphy_resume,
  1382. .suspend = &genphy_suspend,
  1383. .get_sset_count = marvell_get_sset_count,
  1384. .get_strings = marvell_get_strings,
  1385. .get_stats = marvell_get_stats,
  1386. },
  1387. {
  1388. .phy_id = MARVELL_PHY_ID_88E1510,
  1389. .phy_id_mask = MARVELL_PHY_ID_MASK,
  1390. .name = "Marvell 88E1510",
  1391. .features = PHY_GBIT_FEATURES | SUPPORTED_FIBRE,
  1392. .flags = PHY_HAS_INTERRUPT,
  1393. .probe = marvell_probe,
  1394. .config_init = &m88e1510_config_init,
  1395. .config_aneg = &m88e1510_config_aneg,
  1396. .read_status = &marvell_read_status,
  1397. .ack_interrupt = &marvell_ack_interrupt,
  1398. .config_intr = &marvell_config_intr,
  1399. .did_interrupt = &m88e1121_did_interrupt,
  1400. .resume = &marvell_resume,
  1401. .suspend = &marvell_suspend,
  1402. .get_sset_count = marvell_get_sset_count,
  1403. .get_strings = marvell_get_strings,
  1404. .get_stats = marvell_get_stats,
  1405. },
  1406. {
  1407. .phy_id = MARVELL_PHY_ID_88E1540,
  1408. .phy_id_mask = MARVELL_PHY_ID_MASK,
  1409. .name = "Marvell 88E1540",
  1410. .features = PHY_GBIT_FEATURES,
  1411. .flags = PHY_HAS_INTERRUPT,
  1412. .probe = marvell_probe,
  1413. .config_init = &marvell_config_init,
  1414. .config_aneg = &m88e1510_config_aneg,
  1415. .read_status = &marvell_read_status,
  1416. .ack_interrupt = &marvell_ack_interrupt,
  1417. .config_intr = &marvell_config_intr,
  1418. .did_interrupt = &m88e1121_did_interrupt,
  1419. .resume = &genphy_resume,
  1420. .suspend = &genphy_suspend,
  1421. .get_sset_count = marvell_get_sset_count,
  1422. .get_strings = marvell_get_strings,
  1423. .get_stats = marvell_get_stats,
  1424. },
  1425. {
  1426. .phy_id = MARVELL_PHY_ID_88E3016,
  1427. .phy_id_mask = MARVELL_PHY_ID_MASK,
  1428. .name = "Marvell 88E3016",
  1429. .features = PHY_BASIC_FEATURES,
  1430. .flags = PHY_HAS_INTERRUPT,
  1431. .probe = marvell_probe,
  1432. .config_aneg = &genphy_config_aneg,
  1433. .config_init = &m88e3016_config_init,
  1434. .aneg_done = &marvell_aneg_done,
  1435. .read_status = &marvell_read_status,
  1436. .ack_interrupt = &marvell_ack_interrupt,
  1437. .config_intr = &marvell_config_intr,
  1438. .did_interrupt = &m88e1121_did_interrupt,
  1439. .resume = &genphy_resume,
  1440. .suspend = &genphy_suspend,
  1441. .get_sset_count = marvell_get_sset_count,
  1442. .get_strings = marvell_get_strings,
  1443. .get_stats = marvell_get_stats,
  1444. },
  1445. };
  1446. module_phy_driver(marvell_drivers);
  1447. static struct mdio_device_id __maybe_unused marvell_tbl[] = {
  1448. { MARVELL_PHY_ID_88E1101, MARVELL_PHY_ID_MASK },
  1449. { MARVELL_PHY_ID_88E1112, MARVELL_PHY_ID_MASK },
  1450. { MARVELL_PHY_ID_88E1111, MARVELL_PHY_ID_MASK },
  1451. { MARVELL_PHY_ID_88E1118, MARVELL_PHY_ID_MASK },
  1452. { MARVELL_PHY_ID_88E1121R, MARVELL_PHY_ID_MASK },
  1453. { MARVELL_PHY_ID_88E1145, MARVELL_PHY_ID_MASK },
  1454. { MARVELL_PHY_ID_88E1149R, MARVELL_PHY_ID_MASK },
  1455. { MARVELL_PHY_ID_88E1240, MARVELL_PHY_ID_MASK },
  1456. { MARVELL_PHY_ID_88E1318S, MARVELL_PHY_ID_MASK },
  1457. { MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK },
  1458. { MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK },
  1459. { MARVELL_PHY_ID_88E1540, MARVELL_PHY_ID_MASK },
  1460. { MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK },
  1461. { }
  1462. };
  1463. MODULE_DEVICE_TABLE(mdio, marvell_tbl);