2 * drivers/net/phy/marvell.c
4 * Driver for Marvell PHYs
8 * Copyright (c) 2004 Freescale Semiconductor, Inc.
10 * Copyright (c) 2013 Michael Stapelberg <michael@stapelberg.de>
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.
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>
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>
39 #include <linux/uaccess.h>
41 #define MII_MARVELL_PHY_PAGE 22
43 #define MII_M1011_IEVENT 0x13
44 #define MII_M1011_IEVENT_CLEAR 0x0000
46 #define MII_M1011_IMASK 0x12
47 #define MII_M1011_IMASK_INIT 0x6400
48 #define MII_M1011_IMASK_CLEAR 0x0000
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
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
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
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
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
84 #define MII_M1111_COPPER 0
85 #define MII_M1111_FIBER 1
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))
93 #define MII_88E1318S_PHY_MSCR1_REG 16
94 #define MII_88E1318S_PHY_MSCR1_PAD_ODD BIT(6)
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)
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)
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
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)
118 #define MII_88E1121_PHY_LED_CTRL 16
119 #define MII_88E1121_PHY_LED_PAGE 3
120 #define MII_88E1121_PHY_LED_DEF 0x0030
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
130 #define MII_M1116R_CONTROL_REG_MAC 21
132 #define MII_88E3016_PHY_SPEC_CTRL 0x10
133 #define MII_88E3016_DISABLE_SCRAMBLER 0x0200
134 #define MII_88E3016_AUTO_MDIX_CROSSOVER 0x0030
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 */
141 MODULE_DESCRIPTION("Marvell PHY driver");
142 MODULE_AUTHOR("Andy Fleming");
143 MODULE_LICENSE("GPL");
145 struct marvell_hw_stat {
152 static struct marvell_hw_stat marvell_hw_stats[] = {
153 { "phy_receive_errors", 0, 21, 16},
154 { "phy_idle_errors", 0, 10, 8 },
157 struct marvell_priv {
158 u64 stats[ARRAY_SIZE(marvell_hw_stats)];
161 static int marvell_ack_interrupt(struct phy_device *phydev)
165 /* Clear the interrupts by reading the reg */
166 err = phy_read(phydev, MII_M1011_IEVENT);
174 static int marvell_config_intr(struct phy_device *phydev)
178 if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
179 err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_INIT);
181 err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_CLEAR);
186 static int marvell_set_polarity(struct phy_device *phydev, int polarity)
192 /* get the current settings */
193 reg = phy_read(phydev, MII_M1011_PHY_SCR);
198 val &= ~MII_M1011_PHY_SCR_AUTO_CROSS;
201 val |= MII_M1011_PHY_SCR_MDI;
204 val |= MII_M1011_PHY_SCR_MDI_X;
206 case ETH_TP_MDI_AUTO:
207 case ETH_TP_MDI_INVALID:
209 val |= MII_M1011_PHY_SCR_AUTO_CROSS;
214 /* Set the new polarity value in the register */
215 err = phy_write(phydev, MII_M1011_PHY_SCR, val);
223 static int marvell_config_aneg(struct phy_device *phydev)
227 /* The Marvell PHY has an errata which requires
228 * that certain registers get written in order
229 * to restart autonegotiation */
230 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
235 err = phy_write(phydev, 0x1d, 0x1f);
239 err = phy_write(phydev, 0x1e, 0x200c);
243 err = phy_write(phydev, 0x1d, 0x5);
247 err = phy_write(phydev, 0x1e, 0);
251 err = phy_write(phydev, 0x1e, 0x100);
255 err = marvell_set_polarity(phydev, phydev->mdix);
259 err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
260 MII_M1111_PHY_LED_DIRECT);
264 err = genphy_config_aneg(phydev);
268 if (phydev->autoneg != AUTONEG_ENABLE) {
272 * A write to speed/duplex bits (that is performed by
273 * genphy_config_aneg() call above) must be followed by
274 * a software reset. Otherwise, the write has no effect.
276 bmcr = phy_read(phydev, MII_BMCR);
280 err = phy_write(phydev, MII_BMCR, bmcr | BMCR_RESET);
288 static int m88e1111_config_aneg(struct phy_device *phydev)
292 /* The Marvell PHY has an errata which requires
293 * that certain registers get written in order
294 * to restart autonegotiation
296 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
298 err = marvell_set_polarity(phydev, phydev->mdix);
302 err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
303 MII_M1111_PHY_LED_DIRECT);
307 err = genphy_config_aneg(phydev);
311 if (phydev->autoneg != AUTONEG_ENABLE) {
314 /* A write to speed/duplex bits (that is performed by
315 * genphy_config_aneg() call above) must be followed by
316 * a software reset. Otherwise, the write has no effect.
318 bmcr = phy_read(phydev, MII_BMCR);
322 err = phy_write(phydev, MII_BMCR, bmcr | BMCR_RESET);
330 #ifdef CONFIG_OF_MDIO
332 * Set and/or override some configuration registers based on the
333 * marvell,reg-init property stored in the of_node for the phydev.
335 * marvell,reg-init = <reg-page reg mask value>,...;
337 * There may be one or more sets of <reg-page reg mask value>:
339 * reg-page: which register bank to use.
341 * mask: if non-zero, ANDed with existing register value.
342 * value: ORed with the masked value and written to the regiser.
345 static int marvell_of_reg_init(struct phy_device *phydev)
348 int len, i, saved_page, current_page, page_changed, ret;
350 if (!phydev->mdio.dev.of_node)
353 paddr = of_get_property(phydev->mdio.dev.of_node,
354 "marvell,reg-init", &len);
355 if (!paddr || len < (4 * sizeof(*paddr)))
358 saved_page = phy_read(phydev, MII_MARVELL_PHY_PAGE);
362 current_page = saved_page;
365 len /= sizeof(*paddr);
366 for (i = 0; i < len - 3; i += 4) {
367 u16 reg_page = be32_to_cpup(paddr + i);
368 u16 reg = be32_to_cpup(paddr + i + 1);
369 u16 mask = be32_to_cpup(paddr + i + 2);
370 u16 val_bits = be32_to_cpup(paddr + i + 3);
373 if (reg_page != current_page) {
374 current_page = reg_page;
376 ret = phy_write(phydev, MII_MARVELL_PHY_PAGE, reg_page);
383 val = phy_read(phydev, reg);
392 ret = phy_write(phydev, reg, val);
399 i = phy_write(phydev, MII_MARVELL_PHY_PAGE, saved_page);
406 static int marvell_of_reg_init(struct phy_device *phydev)
410 #endif /* CONFIG_OF_MDIO */
412 static int m88e1121_config_aneg(struct phy_device *phydev)
414 int err, oldpage, mscr;
416 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
418 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
419 MII_88E1121_PHY_MSCR_PAGE);
423 if (phy_interface_is_rgmii(phydev)) {
425 mscr = phy_read(phydev, MII_88E1121_PHY_MSCR_REG) &
426 MII_88E1121_PHY_MSCR_DELAY_MASK;
428 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
429 mscr |= (MII_88E1121_PHY_MSCR_RX_DELAY |
430 MII_88E1121_PHY_MSCR_TX_DELAY);
431 else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
432 mscr |= MII_88E1121_PHY_MSCR_RX_DELAY;
433 else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
434 mscr |= MII_88E1121_PHY_MSCR_TX_DELAY;
436 err = phy_write(phydev, MII_88E1121_PHY_MSCR_REG, mscr);
441 phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
443 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
447 err = phy_write(phydev, MII_M1011_PHY_SCR,
448 MII_M1011_PHY_SCR_AUTO_CROSS);
452 return genphy_config_aneg(phydev);
455 static int m88e1318_config_aneg(struct phy_device *phydev)
457 int err, oldpage, mscr;
459 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
461 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
462 MII_88E1121_PHY_MSCR_PAGE);
466 mscr = phy_read(phydev, MII_88E1318S_PHY_MSCR1_REG);
467 mscr |= MII_88E1318S_PHY_MSCR1_PAD_ODD;
469 err = phy_write(phydev, MII_88E1318S_PHY_MSCR1_REG, mscr);
473 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
477 return m88e1121_config_aneg(phydev);
480 static int m88e1510_config_aneg(struct phy_device *phydev)
484 err = m88e1318_config_aneg(phydev);
491 static int marvell_config_init(struct phy_device *phydev)
493 /* Set registers from marvell,reg-init DT property */
494 return marvell_of_reg_init(phydev);
497 static int m88e1116r_config_init(struct phy_device *phydev)
502 temp = phy_read(phydev, MII_BMCR);
504 err = phy_write(phydev, MII_BMCR, temp);
510 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
514 temp = phy_read(phydev, MII_M1011_PHY_SCR);
515 temp |= (7 << 12); /* max number of gigabit attempts */
516 temp |= (1 << 11); /* enable downshift */
517 temp |= MII_M1011_PHY_SCR_AUTO_CROSS;
518 err = phy_write(phydev, MII_M1011_PHY_SCR, temp);
522 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 2);
525 temp = phy_read(phydev, MII_M1116R_CONTROL_REG_MAC);
528 err = phy_write(phydev, MII_M1116R_CONTROL_REG_MAC, temp);
531 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
535 temp = phy_read(phydev, MII_BMCR);
537 err = phy_write(phydev, MII_BMCR, temp);
543 return marvell_config_init(phydev);
546 static int m88e3016_config_init(struct phy_device *phydev)
550 /* Enable Scrambler and Auto-Crossover */
551 reg = phy_read(phydev, MII_88E3016_PHY_SPEC_CTRL);
555 reg &= ~MII_88E3016_DISABLE_SCRAMBLER;
556 reg |= MII_88E3016_AUTO_MDIX_CROSSOVER;
558 reg = phy_write(phydev, MII_88E3016_PHY_SPEC_CTRL, reg);
562 return marvell_config_init(phydev);
565 static int m88e1111_config_init(struct phy_device *phydev)
570 if (phy_interface_is_rgmii(phydev)) {
572 temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
576 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
577 temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
578 } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
579 temp &= ~MII_M1111_TX_DELAY;
580 temp |= MII_M1111_RX_DELAY;
581 } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
582 temp &= ~MII_M1111_RX_DELAY;
583 temp |= MII_M1111_TX_DELAY;
586 err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
590 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
594 temp &= ~(MII_M1111_HWCFG_MODE_MASK);
596 if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES)
597 temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
599 temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
601 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
606 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
607 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
611 temp &= ~(MII_M1111_HWCFG_MODE_MASK);
612 temp |= MII_M1111_HWCFG_MODE_SGMII_NO_CLK;
613 temp |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
615 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
619 /* make sure copper is selected */
620 err = phy_read(phydev, MII_M1145_PHY_EXT_ADDR_PAGE);
624 err = phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE,
630 if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
631 temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
634 temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
635 err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
639 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
642 temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
643 temp |= 0x7 | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
644 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
649 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
653 temp = phy_read(phydev, MII_BMCR);
654 while (temp & BMCR_RESET);
656 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
659 temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
660 temp |= MII_M1111_HWCFG_MODE_COPPER_RTBI | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
661 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
666 err = marvell_of_reg_init(phydev);
670 return phy_write(phydev, MII_BMCR, BMCR_RESET);
673 static int m88e1121_config_init(struct phy_device *phydev)
677 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
679 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1121_PHY_LED_PAGE);
683 /* Default PHY LED config: LED[0] .. Link, LED[1] .. Activity */
684 err = phy_write(phydev, MII_88E1121_PHY_LED_CTRL,
685 MII_88E1121_PHY_LED_DEF);
689 phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
691 /* Set marvell,reg-init configuration from device tree */
692 return marvell_config_init(phydev);
695 static int m88e1510_config_init(struct phy_device *phydev)
700 /* SGMII-to-Copper mode initialization */
701 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
703 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 18);
707 /* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
708 temp = phy_read(phydev, MII_88E1510_GEN_CTRL_REG_1);
709 temp &= ~MII_88E1510_GEN_CTRL_REG_1_MODE_MASK;
710 temp |= MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII;
711 err = phy_write(phydev, MII_88E1510_GEN_CTRL_REG_1, temp);
715 /* PHY reset is necessary after changing MODE[2:0] */
716 temp |= MII_88E1510_GEN_CTRL_REG_1_RESET;
717 err = phy_write(phydev, MII_88E1510_GEN_CTRL_REG_1, temp);
721 /* Reset page selection */
722 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
727 return m88e1121_config_init(phydev);
730 static int m88e1118_config_aneg(struct phy_device *phydev)
734 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
738 err = phy_write(phydev, MII_M1011_PHY_SCR,
739 MII_M1011_PHY_SCR_AUTO_CROSS);
743 err = genphy_config_aneg(phydev);
747 static int m88e1118_config_init(struct phy_device *phydev)
752 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
756 /* Enable 1000 Mbit */
757 err = phy_write(phydev, 0x15, 0x1070);
762 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0003);
766 /* Adjust LED Control */
767 if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS)
768 err = phy_write(phydev, 0x10, 0x1100);
770 err = phy_write(phydev, 0x10, 0x021e);
774 err = marvell_of_reg_init(phydev);
779 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
783 return phy_write(phydev, MII_BMCR, BMCR_RESET);
786 static int m88e1149_config_init(struct phy_device *phydev)
791 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
795 /* Enable 1000 Mbit */
796 err = phy_write(phydev, 0x15, 0x1048);
800 err = marvell_of_reg_init(phydev);
805 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
809 return phy_write(phydev, MII_BMCR, BMCR_RESET);
812 static int m88e1145_config_init(struct phy_device *phydev)
817 /* Take care of errata E0 & E1 */
818 err = phy_write(phydev, 0x1d, 0x001b);
822 err = phy_write(phydev, 0x1e, 0x418f);
826 err = phy_write(phydev, 0x1d, 0x0016);
830 err = phy_write(phydev, 0x1e, 0xa2da);
834 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
835 int temp = phy_read(phydev, MII_M1145_PHY_EXT_CR);
839 temp |= (MII_M1145_RGMII_RX_DELAY | MII_M1145_RGMII_TX_DELAY);
841 err = phy_write(phydev, MII_M1145_PHY_EXT_CR, temp);
845 if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
846 err = phy_write(phydev, 0x1d, 0x0012);
850 temp = phy_read(phydev, 0x1e);
855 temp |= 2 << 9; /* 36 ohm */
856 temp |= 2 << 6; /* 39 ohm */
858 err = phy_write(phydev, 0x1e, temp);
862 err = phy_write(phydev, 0x1d, 0x3);
866 err = phy_write(phydev, 0x1e, 0x8000);
872 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
873 temp = phy_read(phydev, MII_M1145_PHY_EXT_SR);
877 temp &= ~MII_M1145_HWCFG_MODE_MASK;
878 temp |= MII_M1145_HWCFG_MODE_SGMII_NO_CLK;
879 temp |= MII_M1145_HWCFG_FIBER_COPPER_AUTO;
881 err = phy_write(phydev, MII_M1145_PHY_EXT_SR, temp);
886 err = marvell_of_reg_init(phydev);
893 /* marvell_read_status
895 * Generic status code does not detect Fiber correctly!
897 * Check the link, then figure out the current state
898 * by comparing what we advertise with what the link partner
899 * advertises. Start by checking the gigabit possibilities,
900 * then move on to 10/100.
902 static int marvell_read_status(struct phy_device *phydev)
910 /* Update the link, but return if there
912 err = genphy_update_link(phydev);
916 if (AUTONEG_ENABLE == phydev->autoneg) {
917 status = phy_read(phydev, MII_M1011_PHY_STATUS);
921 lpa = phy_read(phydev, MII_LPA);
925 lpagb = phy_read(phydev, MII_STAT1000);
929 adv = phy_read(phydev, MII_ADVERTISE);
933 phydev->lp_advertising = mii_stat1000_to_ethtool_lpa_t(lpagb) |
934 mii_lpa_to_ethtool_lpa_t(lpa);
938 if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
939 phydev->duplex = DUPLEX_FULL;
941 phydev->duplex = DUPLEX_HALF;
943 status = status & MII_M1011_PHY_STATUS_SPD_MASK;
944 phydev->pause = phydev->asym_pause = 0;
947 case MII_M1011_PHY_STATUS_1000:
948 phydev->speed = SPEED_1000;
951 case MII_M1011_PHY_STATUS_100:
952 phydev->speed = SPEED_100;
956 phydev->speed = SPEED_10;
960 if (phydev->duplex == DUPLEX_FULL) {
961 phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
962 phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
965 int bmcr = phy_read(phydev, MII_BMCR);
970 if (bmcr & BMCR_FULLDPLX)
971 phydev->duplex = DUPLEX_FULL;
973 phydev->duplex = DUPLEX_HALF;
975 if (bmcr & BMCR_SPEED1000)
976 phydev->speed = SPEED_1000;
977 else if (bmcr & BMCR_SPEED100)
978 phydev->speed = SPEED_100;
980 phydev->speed = SPEED_10;
982 phydev->pause = phydev->asym_pause = 0;
983 phydev->lp_advertising = 0;
989 static int marvell_aneg_done(struct phy_device *phydev)
991 int retval = phy_read(phydev, MII_M1011_PHY_STATUS);
992 return (retval < 0) ? retval : (retval & MII_M1011_PHY_STATUS_RESOLVED);
995 static int m88e1121_did_interrupt(struct phy_device *phydev)
999 imask = phy_read(phydev, MII_M1011_IEVENT);
1001 if (imask & MII_M1011_IMASK_INIT)
1007 static void m88e1318_get_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol)
1009 wol->supported = WAKE_MAGIC;
1012 if (phy_write(phydev, MII_MARVELL_PHY_PAGE,
1013 MII_88E1318S_PHY_WOL_PAGE) < 0)
1016 if (phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL) &
1017 MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE)
1018 wol->wolopts |= WAKE_MAGIC;
1020 if (phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x00) < 0)
1024 static int m88e1318_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol)
1026 int err, oldpage, temp;
1028 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
1030 if (wol->wolopts & WAKE_MAGIC) {
1031 /* Explicitly switch to page 0x00, just to be sure */
1032 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x00);
1036 /* Enable the WOL interrupt */
1037 temp = phy_read(phydev, MII_88E1318S_PHY_CSIER);
1038 temp |= MII_88E1318S_PHY_CSIER_WOL_EIE;
1039 err = phy_write(phydev, MII_88E1318S_PHY_CSIER, temp);
1043 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
1044 MII_88E1318S_PHY_LED_PAGE);
1048 /* Setup LED[2] as interrupt pin (active low) */
1049 temp = phy_read(phydev, MII_88E1318S_PHY_LED_TCR);
1050 temp &= ~MII_88E1318S_PHY_LED_TCR_FORCE_INT;
1051 temp |= MII_88E1318S_PHY_LED_TCR_INTn_ENABLE;
1052 temp |= MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW;
1053 err = phy_write(phydev, MII_88E1318S_PHY_LED_TCR, temp);
1057 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
1058 MII_88E1318S_PHY_WOL_PAGE);
1062 /* Store the device address for the magic packet */
1063 err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD2,
1064 ((phydev->attached_dev->dev_addr[5] << 8) |
1065 phydev->attached_dev->dev_addr[4]));
1068 err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD1,
1069 ((phydev->attached_dev->dev_addr[3] << 8) |
1070 phydev->attached_dev->dev_addr[2]));
1073 err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD0,
1074 ((phydev->attached_dev->dev_addr[1] << 8) |
1075 phydev->attached_dev->dev_addr[0]));
1079 /* Clear WOL status and enable magic packet matching */
1080 temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
1081 temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS;
1082 temp |= MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE;
1083 err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp);
1087 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
1088 MII_88E1318S_PHY_WOL_PAGE);
1092 /* Clear WOL status and disable magic packet matching */
1093 temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
1094 temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS;
1095 temp &= ~MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE;
1096 err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp);
1101 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
1108 static int marvell_get_sset_count(struct phy_device *phydev)
1110 return ARRAY_SIZE(marvell_hw_stats);
1113 static void marvell_get_strings(struct phy_device *phydev, u8 *data)
1117 for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++) {
1118 memcpy(data + i * ETH_GSTRING_LEN,
1119 marvell_hw_stats[i].string, ETH_GSTRING_LEN);
1124 #define UINT64_MAX (u64)(~((u64)0))
1126 static u64 marvell_get_stat(struct phy_device *phydev, int i)
1128 struct marvell_hw_stat stat = marvell_hw_stats[i];
1129 struct marvell_priv *priv = phydev->priv;
1130 int err, oldpage, val;
1133 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
1134 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
1139 val = phy_read(phydev, stat.reg);
1143 val = val & ((1 << stat.bits) - 1);
1144 priv->stats[i] += val;
1145 ret = priv->stats[i];
1148 phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
1153 static void marvell_get_stats(struct phy_device *phydev,
1154 struct ethtool_stats *stats, u64 *data)
1158 for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++)
1159 data[i] = marvell_get_stat(phydev, i);
1162 static int marvell_probe(struct phy_device *phydev)
1164 struct marvell_priv *priv;
1166 priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
1170 phydev->priv = priv;
1175 static struct phy_driver marvell_drivers[] = {
1177 .phy_id = MARVELL_PHY_ID_88E1101,
1178 .phy_id_mask = MARVELL_PHY_ID_MASK,
1179 .name = "Marvell 88E1101",
1180 .features = PHY_GBIT_FEATURES,
1181 .probe = marvell_probe,
1182 .flags = PHY_HAS_INTERRUPT,
1183 .config_init = &marvell_config_init,
1184 .config_aneg = &marvell_config_aneg,
1185 .read_status = &genphy_read_status,
1186 .ack_interrupt = &marvell_ack_interrupt,
1187 .config_intr = &marvell_config_intr,
1188 .resume = &genphy_resume,
1189 .suspend = &genphy_suspend,
1190 .get_sset_count = marvell_get_sset_count,
1191 .get_strings = marvell_get_strings,
1192 .get_stats = marvell_get_stats,
1195 .phy_id = MARVELL_PHY_ID_88E1112,
1196 .phy_id_mask = MARVELL_PHY_ID_MASK,
1197 .name = "Marvell 88E1112",
1198 .features = PHY_GBIT_FEATURES,
1199 .flags = PHY_HAS_INTERRUPT,
1200 .probe = marvell_probe,
1201 .config_init = &m88e1111_config_init,
1202 .config_aneg = &marvell_config_aneg,
1203 .read_status = &genphy_read_status,
1204 .ack_interrupt = &marvell_ack_interrupt,
1205 .config_intr = &marvell_config_intr,
1206 .resume = &genphy_resume,
1207 .suspend = &genphy_suspend,
1208 .get_sset_count = marvell_get_sset_count,
1209 .get_strings = marvell_get_strings,
1210 .get_stats = marvell_get_stats,
1213 .phy_id = MARVELL_PHY_ID_88E1111,
1214 .phy_id_mask = MARVELL_PHY_ID_MASK,
1215 .name = "Marvell 88E1111",
1216 .features = PHY_GBIT_FEATURES,
1217 .flags = PHY_HAS_INTERRUPT,
1218 .probe = marvell_probe,
1219 .config_init = &m88e1111_config_init,
1220 .config_aneg = &m88e1111_config_aneg,
1221 .read_status = &marvell_read_status,
1222 .ack_interrupt = &marvell_ack_interrupt,
1223 .config_intr = &marvell_config_intr,
1224 .resume = &genphy_resume,
1225 .suspend = &genphy_suspend,
1226 .get_sset_count = marvell_get_sset_count,
1227 .get_strings = marvell_get_strings,
1228 .get_stats = marvell_get_stats,
1231 .phy_id = MARVELL_PHY_ID_88E1118,
1232 .phy_id_mask = MARVELL_PHY_ID_MASK,
1233 .name = "Marvell 88E1118",
1234 .features = PHY_GBIT_FEATURES,
1235 .flags = PHY_HAS_INTERRUPT,
1236 .probe = marvell_probe,
1237 .config_init = &m88e1118_config_init,
1238 .config_aneg = &m88e1118_config_aneg,
1239 .read_status = &genphy_read_status,
1240 .ack_interrupt = &marvell_ack_interrupt,
1241 .config_intr = &marvell_config_intr,
1242 .resume = &genphy_resume,
1243 .suspend = &genphy_suspend,
1244 .get_sset_count = marvell_get_sset_count,
1245 .get_strings = marvell_get_strings,
1246 .get_stats = marvell_get_stats,
1249 .phy_id = MARVELL_PHY_ID_88E1121R,
1250 .phy_id_mask = MARVELL_PHY_ID_MASK,
1251 .name = "Marvell 88E1121R",
1252 .features = PHY_GBIT_FEATURES,
1253 .flags = PHY_HAS_INTERRUPT,
1254 .probe = marvell_probe,
1255 .config_init = &m88e1121_config_init,
1256 .config_aneg = &m88e1121_config_aneg,
1257 .read_status = &marvell_read_status,
1258 .ack_interrupt = &marvell_ack_interrupt,
1259 .config_intr = &marvell_config_intr,
1260 .did_interrupt = &m88e1121_did_interrupt,
1261 .resume = &genphy_resume,
1262 .suspend = &genphy_suspend,
1263 .get_sset_count = marvell_get_sset_count,
1264 .get_strings = marvell_get_strings,
1265 .get_stats = marvell_get_stats,
1268 .phy_id = MARVELL_PHY_ID_88E1318S,
1269 .phy_id_mask = MARVELL_PHY_ID_MASK,
1270 .name = "Marvell 88E1318S",
1271 .features = PHY_GBIT_FEATURES,
1272 .flags = PHY_HAS_INTERRUPT,
1273 .probe = marvell_probe,
1274 .config_init = &m88e1121_config_init,
1275 .config_aneg = &m88e1318_config_aneg,
1276 .read_status = &marvell_read_status,
1277 .ack_interrupt = &marvell_ack_interrupt,
1278 .config_intr = &marvell_config_intr,
1279 .did_interrupt = &m88e1121_did_interrupt,
1280 .get_wol = &m88e1318_get_wol,
1281 .set_wol = &m88e1318_set_wol,
1282 .resume = &genphy_resume,
1283 .suspend = &genphy_suspend,
1284 .get_sset_count = marvell_get_sset_count,
1285 .get_strings = marvell_get_strings,
1286 .get_stats = marvell_get_stats,
1289 .phy_id = MARVELL_PHY_ID_88E1145,
1290 .phy_id_mask = MARVELL_PHY_ID_MASK,
1291 .name = "Marvell 88E1145",
1292 .features = PHY_GBIT_FEATURES,
1293 .flags = PHY_HAS_INTERRUPT,
1294 .probe = marvell_probe,
1295 .config_init = &m88e1145_config_init,
1296 .config_aneg = &marvell_config_aneg,
1297 .read_status = &genphy_read_status,
1298 .ack_interrupt = &marvell_ack_interrupt,
1299 .config_intr = &marvell_config_intr,
1300 .resume = &genphy_resume,
1301 .suspend = &genphy_suspend,
1302 .get_sset_count = marvell_get_sset_count,
1303 .get_strings = marvell_get_strings,
1304 .get_stats = marvell_get_stats,
1307 .phy_id = MARVELL_PHY_ID_88E1149R,
1308 .phy_id_mask = MARVELL_PHY_ID_MASK,
1309 .name = "Marvell 88E1149R",
1310 .features = PHY_GBIT_FEATURES,
1311 .flags = PHY_HAS_INTERRUPT,
1312 .probe = marvell_probe,
1313 .config_init = &m88e1149_config_init,
1314 .config_aneg = &m88e1118_config_aneg,
1315 .read_status = &genphy_read_status,
1316 .ack_interrupt = &marvell_ack_interrupt,
1317 .config_intr = &marvell_config_intr,
1318 .resume = &genphy_resume,
1319 .suspend = &genphy_suspend,
1320 .get_sset_count = marvell_get_sset_count,
1321 .get_strings = marvell_get_strings,
1322 .get_stats = marvell_get_stats,
1325 .phy_id = MARVELL_PHY_ID_88E1240,
1326 .phy_id_mask = MARVELL_PHY_ID_MASK,
1327 .name = "Marvell 88E1240",
1328 .features = PHY_GBIT_FEATURES,
1329 .flags = PHY_HAS_INTERRUPT,
1330 .probe = marvell_probe,
1331 .config_init = &m88e1111_config_init,
1332 .config_aneg = &marvell_config_aneg,
1333 .read_status = &genphy_read_status,
1334 .ack_interrupt = &marvell_ack_interrupt,
1335 .config_intr = &marvell_config_intr,
1336 .resume = &genphy_resume,
1337 .suspend = &genphy_suspend,
1338 .get_sset_count = marvell_get_sset_count,
1339 .get_strings = marvell_get_strings,
1340 .get_stats = marvell_get_stats,
1343 .phy_id = MARVELL_PHY_ID_88E1116R,
1344 .phy_id_mask = MARVELL_PHY_ID_MASK,
1345 .name = "Marvell 88E1116R",
1346 .features = PHY_GBIT_FEATURES,
1347 .flags = PHY_HAS_INTERRUPT,
1348 .probe = marvell_probe,
1349 .config_init = &m88e1116r_config_init,
1350 .config_aneg = &genphy_config_aneg,
1351 .read_status = &genphy_read_status,
1352 .ack_interrupt = &marvell_ack_interrupt,
1353 .config_intr = &marvell_config_intr,
1354 .resume = &genphy_resume,
1355 .suspend = &genphy_suspend,
1356 .get_sset_count = marvell_get_sset_count,
1357 .get_strings = marvell_get_strings,
1358 .get_stats = marvell_get_stats,
1361 .phy_id = MARVELL_PHY_ID_88E1510,
1362 .phy_id_mask = MARVELL_PHY_ID_MASK,
1363 .name = "Marvell 88E1510",
1364 .features = PHY_GBIT_FEATURES,
1365 .flags = PHY_HAS_INTERRUPT,
1366 .probe = marvell_probe,
1367 .config_init = &m88e1510_config_init,
1368 .config_aneg = &m88e1510_config_aneg,
1369 .read_status = &marvell_read_status,
1370 .ack_interrupt = &marvell_ack_interrupt,
1371 .config_intr = &marvell_config_intr,
1372 .did_interrupt = &m88e1121_did_interrupt,
1373 .resume = &genphy_resume,
1374 .suspend = &genphy_suspend,
1375 .get_sset_count = marvell_get_sset_count,
1376 .get_strings = marvell_get_strings,
1377 .get_stats = marvell_get_stats,
1380 .phy_id = MARVELL_PHY_ID_88E1540,
1381 .phy_id_mask = MARVELL_PHY_ID_MASK,
1382 .name = "Marvell 88E1540",
1383 .features = PHY_GBIT_FEATURES,
1384 .flags = PHY_HAS_INTERRUPT,
1385 .probe = marvell_probe,
1386 .config_init = &marvell_config_init,
1387 .config_aneg = &m88e1510_config_aneg,
1388 .read_status = &marvell_read_status,
1389 .ack_interrupt = &marvell_ack_interrupt,
1390 .config_intr = &marvell_config_intr,
1391 .did_interrupt = &m88e1121_did_interrupt,
1392 .resume = &genphy_resume,
1393 .suspend = &genphy_suspend,
1394 .get_sset_count = marvell_get_sset_count,
1395 .get_strings = marvell_get_strings,
1396 .get_stats = marvell_get_stats,
1399 .phy_id = MARVELL_PHY_ID_88E3016,
1400 .phy_id_mask = MARVELL_PHY_ID_MASK,
1401 .name = "Marvell 88E3016",
1402 .features = PHY_BASIC_FEATURES,
1403 .flags = PHY_HAS_INTERRUPT,
1404 .probe = marvell_probe,
1405 .config_aneg = &genphy_config_aneg,
1406 .config_init = &m88e3016_config_init,
1407 .aneg_done = &marvell_aneg_done,
1408 .read_status = &marvell_read_status,
1409 .ack_interrupt = &marvell_ack_interrupt,
1410 .config_intr = &marvell_config_intr,
1411 .did_interrupt = &m88e1121_did_interrupt,
1412 .resume = &genphy_resume,
1413 .suspend = &genphy_suspend,
1414 .get_sset_count = marvell_get_sset_count,
1415 .get_strings = marvell_get_strings,
1416 .get_stats = marvell_get_stats,
1420 module_phy_driver(marvell_drivers);
1422 static struct mdio_device_id __maybe_unused marvell_tbl[] = {
1423 { MARVELL_PHY_ID_88E1101, MARVELL_PHY_ID_MASK },
1424 { MARVELL_PHY_ID_88E1112, MARVELL_PHY_ID_MASK },
1425 { MARVELL_PHY_ID_88E1111, MARVELL_PHY_ID_MASK },
1426 { MARVELL_PHY_ID_88E1118, MARVELL_PHY_ID_MASK },
1427 { MARVELL_PHY_ID_88E1121R, MARVELL_PHY_ID_MASK },
1428 { MARVELL_PHY_ID_88E1145, MARVELL_PHY_ID_MASK },
1429 { MARVELL_PHY_ID_88E1149R, MARVELL_PHY_ID_MASK },
1430 { MARVELL_PHY_ID_88E1240, MARVELL_PHY_ID_MASK },
1431 { MARVELL_PHY_ID_88E1318S, MARVELL_PHY_ID_MASK },
1432 { MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK },
1433 { MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK },
1434 { MARVELL_PHY_ID_88E1540, MARVELL_PHY_ID_MASK },
1435 { MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK },
1439 MODULE_DEVICE_TABLE(mdio, marvell_tbl);