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 MODULE_DESCRIPTION("Marvell PHY driver");
137 MODULE_AUTHOR("Andy Fleming");
138 MODULE_LICENSE("GPL");
140 struct marvell_hw_stat {
147 static struct marvell_hw_stat marvell_hw_stats[] = {
148 { "phy_receive_errors", 0, 21, 16},
149 { "phy_idle_errors", 0, 10, 8 },
152 struct marvell_priv {
153 u64 stats[ARRAY_SIZE(marvell_hw_stats)];
156 static int marvell_ack_interrupt(struct phy_device *phydev)
160 /* Clear the interrupts by reading the reg */
161 err = phy_read(phydev, MII_M1011_IEVENT);
169 static int marvell_config_intr(struct phy_device *phydev)
173 if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
174 err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_INIT);
176 err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_CLEAR);
181 static int marvell_set_polarity(struct phy_device *phydev, int polarity)
187 /* get the current settings */
188 reg = phy_read(phydev, MII_M1011_PHY_SCR);
193 val &= ~MII_M1011_PHY_SCR_AUTO_CROSS;
196 val |= MII_M1011_PHY_SCR_MDI;
199 val |= MII_M1011_PHY_SCR_MDI_X;
201 case ETH_TP_MDI_AUTO:
202 case ETH_TP_MDI_INVALID:
204 val |= MII_M1011_PHY_SCR_AUTO_CROSS;
209 /* Set the new polarity value in the register */
210 err = phy_write(phydev, MII_M1011_PHY_SCR, val);
218 static int marvell_config_aneg(struct phy_device *phydev)
222 /* The Marvell PHY has an errata which requires
223 * that certain registers get written in order
224 * to restart autonegotiation */
225 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
230 err = phy_write(phydev, 0x1d, 0x1f);
234 err = phy_write(phydev, 0x1e, 0x200c);
238 err = phy_write(phydev, 0x1d, 0x5);
242 err = phy_write(phydev, 0x1e, 0);
246 err = phy_write(phydev, 0x1e, 0x100);
250 err = marvell_set_polarity(phydev, phydev->mdix);
254 err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
255 MII_M1111_PHY_LED_DIRECT);
259 err = genphy_config_aneg(phydev);
263 if (phydev->autoneg != AUTONEG_ENABLE) {
267 * A write to speed/duplex bits (that is performed by
268 * genphy_config_aneg() call above) must be followed by
269 * a software reset. Otherwise, the write has no effect.
271 bmcr = phy_read(phydev, MII_BMCR);
275 err = phy_write(phydev, MII_BMCR, bmcr | BMCR_RESET);
283 #ifdef CONFIG_OF_MDIO
285 * Set and/or override some configuration registers based on the
286 * marvell,reg-init property stored in the of_node for the phydev.
288 * marvell,reg-init = <reg-page reg mask value>,...;
290 * There may be one or more sets of <reg-page reg mask value>:
292 * reg-page: which register bank to use.
294 * mask: if non-zero, ANDed with existing register value.
295 * value: ORed with the masked value and written to the regiser.
298 static int marvell_of_reg_init(struct phy_device *phydev)
301 int len, i, saved_page, current_page, page_changed, ret;
303 if (!phydev->mdio.dev.of_node)
306 paddr = of_get_property(phydev->mdio.dev.of_node,
307 "marvell,reg-init", &len);
308 if (!paddr || len < (4 * sizeof(*paddr)))
311 saved_page = phy_read(phydev, MII_MARVELL_PHY_PAGE);
315 current_page = saved_page;
318 len /= sizeof(*paddr);
319 for (i = 0; i < len - 3; i += 4) {
320 u16 reg_page = be32_to_cpup(paddr + i);
321 u16 reg = be32_to_cpup(paddr + i + 1);
322 u16 mask = be32_to_cpup(paddr + i + 2);
323 u16 val_bits = be32_to_cpup(paddr + i + 3);
326 if (reg_page != current_page) {
327 current_page = reg_page;
329 ret = phy_write(phydev, MII_MARVELL_PHY_PAGE, reg_page);
336 val = phy_read(phydev, reg);
345 ret = phy_write(phydev, reg, val);
352 i = phy_write(phydev, MII_MARVELL_PHY_PAGE, saved_page);
359 static int marvell_of_reg_init(struct phy_device *phydev)
363 #endif /* CONFIG_OF_MDIO */
365 static int m88e1121_config_aneg(struct phy_device *phydev)
367 int err, oldpage, mscr;
369 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
371 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
372 MII_88E1121_PHY_MSCR_PAGE);
376 if (phy_interface_is_rgmii(phydev)) {
378 mscr = phy_read(phydev, MII_88E1121_PHY_MSCR_REG) &
379 MII_88E1121_PHY_MSCR_DELAY_MASK;
381 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
382 mscr |= (MII_88E1121_PHY_MSCR_RX_DELAY |
383 MII_88E1121_PHY_MSCR_TX_DELAY);
384 else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
385 mscr |= MII_88E1121_PHY_MSCR_RX_DELAY;
386 else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
387 mscr |= MII_88E1121_PHY_MSCR_TX_DELAY;
389 err = phy_write(phydev, MII_88E1121_PHY_MSCR_REG, mscr);
394 phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
396 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
400 err = phy_write(phydev, MII_M1011_PHY_SCR,
401 MII_M1011_PHY_SCR_AUTO_CROSS);
405 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
407 phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1121_PHY_LED_PAGE);
408 phy_write(phydev, MII_88E1121_PHY_LED_CTRL, MII_88E1121_PHY_LED_DEF);
409 phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
411 err = genphy_config_aneg(phydev);
416 static int m88e1318_config_aneg(struct phy_device *phydev)
418 int err, oldpage, mscr;
420 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
422 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
423 MII_88E1121_PHY_MSCR_PAGE);
427 mscr = phy_read(phydev, MII_88E1318S_PHY_MSCR1_REG);
428 mscr |= MII_88E1318S_PHY_MSCR1_PAD_ODD;
430 err = phy_write(phydev, MII_88E1318S_PHY_MSCR1_REG, mscr);
434 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
438 return m88e1121_config_aneg(phydev);
441 static int m88e1510_config_aneg(struct phy_device *phydev)
445 err = m88e1318_config_aneg(phydev);
449 return marvell_of_reg_init(phydev);
452 static int m88e1116r_config_init(struct phy_device *phydev)
457 temp = phy_read(phydev, MII_BMCR);
459 err = phy_write(phydev, MII_BMCR, temp);
465 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
469 temp = phy_read(phydev, MII_M1011_PHY_SCR);
470 temp |= (7 << 12); /* max number of gigabit attempts */
471 temp |= (1 << 11); /* enable downshift */
472 temp |= MII_M1011_PHY_SCR_AUTO_CROSS;
473 err = phy_write(phydev, MII_M1011_PHY_SCR, temp);
477 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 2);
480 temp = phy_read(phydev, MII_M1116R_CONTROL_REG_MAC);
483 err = phy_write(phydev, MII_M1116R_CONTROL_REG_MAC, temp);
486 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
490 temp = phy_read(phydev, MII_BMCR);
492 err = phy_write(phydev, MII_BMCR, temp);
501 static int m88e3016_config_init(struct phy_device *phydev)
505 /* Enable Scrambler and Auto-Crossover */
506 reg = phy_read(phydev, MII_88E3016_PHY_SPEC_CTRL);
510 reg &= ~MII_88E3016_DISABLE_SCRAMBLER;
511 reg |= MII_88E3016_AUTO_MDIX_CROSSOVER;
513 reg = phy_write(phydev, MII_88E3016_PHY_SPEC_CTRL, reg);
520 static int m88e1111_config_init(struct phy_device *phydev)
525 if (phy_interface_is_rgmii(phydev)) {
527 temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
531 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
532 temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
533 } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
534 temp &= ~MII_M1111_TX_DELAY;
535 temp |= MII_M1111_RX_DELAY;
536 } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
537 temp &= ~MII_M1111_RX_DELAY;
538 temp |= MII_M1111_TX_DELAY;
541 err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
545 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
549 temp &= ~(MII_M1111_HWCFG_MODE_MASK);
551 if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES)
552 temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
554 temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
556 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
561 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
562 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
566 temp &= ~(MII_M1111_HWCFG_MODE_MASK);
567 temp |= MII_M1111_HWCFG_MODE_SGMII_NO_CLK;
568 temp |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
570 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
574 /* make sure copper is selected */
575 err = phy_read(phydev, MII_M1145_PHY_EXT_ADDR_PAGE);
579 err = phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE,
585 if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
586 temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
589 temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
590 err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
594 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
597 temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
598 temp |= 0x7 | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
599 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
604 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
608 temp = phy_read(phydev, MII_BMCR);
609 while (temp & BMCR_RESET);
611 temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
614 temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
615 temp |= MII_M1111_HWCFG_MODE_COPPER_RTBI | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
616 err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
621 err = marvell_of_reg_init(phydev);
625 return phy_write(phydev, MII_BMCR, BMCR_RESET);
628 static int m88e1118_config_aneg(struct phy_device *phydev)
632 err = phy_write(phydev, MII_BMCR, BMCR_RESET);
636 err = phy_write(phydev, MII_M1011_PHY_SCR,
637 MII_M1011_PHY_SCR_AUTO_CROSS);
641 err = genphy_config_aneg(phydev);
645 static int m88e1118_config_init(struct phy_device *phydev)
650 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
654 /* Enable 1000 Mbit */
655 err = phy_write(phydev, 0x15, 0x1070);
660 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0003);
664 /* Adjust LED Control */
665 if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS)
666 err = phy_write(phydev, 0x10, 0x1100);
668 err = phy_write(phydev, 0x10, 0x021e);
672 err = marvell_of_reg_init(phydev);
677 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
681 return phy_write(phydev, MII_BMCR, BMCR_RESET);
684 static int m88e1149_config_init(struct phy_device *phydev)
689 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
693 /* Enable 1000 Mbit */
694 err = phy_write(phydev, 0x15, 0x1048);
698 err = marvell_of_reg_init(phydev);
703 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
707 return phy_write(phydev, MII_BMCR, BMCR_RESET);
710 static int m88e1145_config_init(struct phy_device *phydev)
715 /* Take care of errata E0 & E1 */
716 err = phy_write(phydev, 0x1d, 0x001b);
720 err = phy_write(phydev, 0x1e, 0x418f);
724 err = phy_write(phydev, 0x1d, 0x0016);
728 err = phy_write(phydev, 0x1e, 0xa2da);
732 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
733 int temp = phy_read(phydev, MII_M1145_PHY_EXT_CR);
737 temp |= (MII_M1145_RGMII_RX_DELAY | MII_M1145_RGMII_TX_DELAY);
739 err = phy_write(phydev, MII_M1145_PHY_EXT_CR, temp);
743 if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
744 err = phy_write(phydev, 0x1d, 0x0012);
748 temp = phy_read(phydev, 0x1e);
753 temp |= 2 << 9; /* 36 ohm */
754 temp |= 2 << 6; /* 39 ohm */
756 err = phy_write(phydev, 0x1e, temp);
760 err = phy_write(phydev, 0x1d, 0x3);
764 err = phy_write(phydev, 0x1e, 0x8000);
770 if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
771 temp = phy_read(phydev, MII_M1145_PHY_EXT_SR);
775 temp &= ~MII_M1145_HWCFG_MODE_MASK;
776 temp |= MII_M1145_HWCFG_MODE_SGMII_NO_CLK;
777 temp |= MII_M1145_HWCFG_FIBER_COPPER_AUTO;
779 err = phy_write(phydev, MII_M1145_PHY_EXT_SR, temp);
784 err = marvell_of_reg_init(phydev);
791 /* marvell_read_status
793 * Generic status code does not detect Fiber correctly!
795 * Check the link, then figure out the current state
796 * by comparing what we advertise with what the link partner
797 * advertises. Start by checking the gigabit possibilities,
798 * then move on to 10/100.
800 static int marvell_read_status(struct phy_device *phydev)
808 /* Update the link, but return if there
810 err = genphy_update_link(phydev);
814 if (AUTONEG_ENABLE == phydev->autoneg) {
815 status = phy_read(phydev, MII_M1011_PHY_STATUS);
819 lpa = phy_read(phydev, MII_LPA);
823 lpagb = phy_read(phydev, MII_STAT1000);
827 adv = phy_read(phydev, MII_ADVERTISE);
831 phydev->lp_advertising = mii_stat1000_to_ethtool_lpa_t(lpagb) |
832 mii_lpa_to_ethtool_lpa_t(lpa);
836 if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
837 phydev->duplex = DUPLEX_FULL;
839 phydev->duplex = DUPLEX_HALF;
841 status = status & MII_M1011_PHY_STATUS_SPD_MASK;
842 phydev->pause = phydev->asym_pause = 0;
845 case MII_M1011_PHY_STATUS_1000:
846 phydev->speed = SPEED_1000;
849 case MII_M1011_PHY_STATUS_100:
850 phydev->speed = SPEED_100;
854 phydev->speed = SPEED_10;
858 if (phydev->duplex == DUPLEX_FULL) {
859 phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
860 phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
863 int bmcr = phy_read(phydev, MII_BMCR);
868 if (bmcr & BMCR_FULLDPLX)
869 phydev->duplex = DUPLEX_FULL;
871 phydev->duplex = DUPLEX_HALF;
873 if (bmcr & BMCR_SPEED1000)
874 phydev->speed = SPEED_1000;
875 else if (bmcr & BMCR_SPEED100)
876 phydev->speed = SPEED_100;
878 phydev->speed = SPEED_10;
880 phydev->pause = phydev->asym_pause = 0;
881 phydev->lp_advertising = 0;
887 static int marvell_aneg_done(struct phy_device *phydev)
889 int retval = phy_read(phydev, MII_M1011_PHY_STATUS);
890 return (retval < 0) ? retval : (retval & MII_M1011_PHY_STATUS_RESOLVED);
893 static int m88e1121_did_interrupt(struct phy_device *phydev)
897 imask = phy_read(phydev, MII_M1011_IEVENT);
899 if (imask & MII_M1011_IMASK_INIT)
905 static void m88e1318_get_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol)
907 wol->supported = WAKE_MAGIC;
910 if (phy_write(phydev, MII_MARVELL_PHY_PAGE,
911 MII_88E1318S_PHY_WOL_PAGE) < 0)
914 if (phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL) &
915 MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE)
916 wol->wolopts |= WAKE_MAGIC;
918 if (phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x00) < 0)
922 static int m88e1318_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol)
924 int err, oldpage, temp;
926 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
928 if (wol->wolopts & WAKE_MAGIC) {
929 /* Explicitly switch to page 0x00, just to be sure */
930 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x00);
934 /* Enable the WOL interrupt */
935 temp = phy_read(phydev, MII_88E1318S_PHY_CSIER);
936 temp |= MII_88E1318S_PHY_CSIER_WOL_EIE;
937 err = phy_write(phydev, MII_88E1318S_PHY_CSIER, temp);
941 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
942 MII_88E1318S_PHY_LED_PAGE);
946 /* Setup LED[2] as interrupt pin (active low) */
947 temp = phy_read(phydev, MII_88E1318S_PHY_LED_TCR);
948 temp &= ~MII_88E1318S_PHY_LED_TCR_FORCE_INT;
949 temp |= MII_88E1318S_PHY_LED_TCR_INTn_ENABLE;
950 temp |= MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW;
951 err = phy_write(phydev, MII_88E1318S_PHY_LED_TCR, temp);
955 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
956 MII_88E1318S_PHY_WOL_PAGE);
960 /* Store the device address for the magic packet */
961 err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD2,
962 ((phydev->attached_dev->dev_addr[5] << 8) |
963 phydev->attached_dev->dev_addr[4]));
966 err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD1,
967 ((phydev->attached_dev->dev_addr[3] << 8) |
968 phydev->attached_dev->dev_addr[2]));
971 err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD0,
972 ((phydev->attached_dev->dev_addr[1] << 8) |
973 phydev->attached_dev->dev_addr[0]));
977 /* Clear WOL status and enable magic packet matching */
978 temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
979 temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS;
980 temp |= MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE;
981 err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp);
985 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
986 MII_88E1318S_PHY_WOL_PAGE);
990 /* Clear WOL status and disable magic packet matching */
991 temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
992 temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS;
993 temp &= ~MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE;
994 err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp);
999 err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
1006 static int marvell_get_sset_count(struct phy_device *phydev)
1008 return ARRAY_SIZE(marvell_hw_stats);
1011 static void marvell_get_strings(struct phy_device *phydev, u8 *data)
1015 for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++) {
1016 memcpy(data + i * ETH_GSTRING_LEN,
1017 marvell_hw_stats[i].string, ETH_GSTRING_LEN);
1022 #define UINT64_MAX (u64)(~((u64)0))
1024 static u64 marvell_get_stat(struct phy_device *phydev, int i)
1026 struct marvell_hw_stat stat = marvell_hw_stats[i];
1027 struct marvell_priv *priv = phydev->priv;
1031 oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
1032 err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
1037 val = phy_read(phydev, stat.reg);
1041 val = val & ((1 << stat.bits) - 1);
1042 priv->stats[i] += val;
1043 val = priv->stats[i];
1046 phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
1051 static void marvell_get_stats(struct phy_device *phydev,
1052 struct ethtool_stats *stats, u64 *data)
1056 for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++)
1057 data[i] = marvell_get_stat(phydev, i);
1060 static int marvell_probe(struct phy_device *phydev)
1062 struct marvell_priv *priv;
1064 priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
1068 phydev->priv = priv;
1073 static struct phy_driver marvell_drivers[] = {
1075 .phy_id = MARVELL_PHY_ID_88E1101,
1076 .phy_id_mask = MARVELL_PHY_ID_MASK,
1077 .name = "Marvell 88E1101",
1078 .features = PHY_GBIT_FEATURES,
1079 .probe = marvell_probe,
1080 .flags = PHY_HAS_INTERRUPT,
1081 .config_aneg = &marvell_config_aneg,
1082 .read_status = &genphy_read_status,
1083 .ack_interrupt = &marvell_ack_interrupt,
1084 .config_intr = &marvell_config_intr,
1085 .resume = &genphy_resume,
1086 .suspend = &genphy_suspend,
1087 .get_sset_count = marvell_get_sset_count,
1088 .get_strings = marvell_get_strings,
1089 .get_stats = marvell_get_stats,
1092 .phy_id = MARVELL_PHY_ID_88E1112,
1093 .phy_id_mask = MARVELL_PHY_ID_MASK,
1094 .name = "Marvell 88E1112",
1095 .features = PHY_GBIT_FEATURES,
1096 .flags = PHY_HAS_INTERRUPT,
1097 .probe = marvell_probe,
1098 .config_init = &m88e1111_config_init,
1099 .config_aneg = &marvell_config_aneg,
1100 .read_status = &genphy_read_status,
1101 .ack_interrupt = &marvell_ack_interrupt,
1102 .config_intr = &marvell_config_intr,
1103 .resume = &genphy_resume,
1104 .suspend = &genphy_suspend,
1105 .get_sset_count = marvell_get_sset_count,
1106 .get_strings = marvell_get_strings,
1107 .get_stats = marvell_get_stats,
1110 .phy_id = MARVELL_PHY_ID_88E1111,
1111 .phy_id_mask = MARVELL_PHY_ID_MASK,
1112 .name = "Marvell 88E1111",
1113 .features = PHY_GBIT_FEATURES,
1114 .flags = PHY_HAS_INTERRUPT,
1115 .probe = marvell_probe,
1116 .config_init = &m88e1111_config_init,
1117 .config_aneg = &marvell_config_aneg,
1118 .read_status = &marvell_read_status,
1119 .ack_interrupt = &marvell_ack_interrupt,
1120 .config_intr = &marvell_config_intr,
1121 .resume = &genphy_resume,
1122 .suspend = &genphy_suspend,
1123 .get_sset_count = marvell_get_sset_count,
1124 .get_strings = marvell_get_strings,
1125 .get_stats = marvell_get_stats,
1128 .phy_id = MARVELL_PHY_ID_88E1118,
1129 .phy_id_mask = MARVELL_PHY_ID_MASK,
1130 .name = "Marvell 88E1118",
1131 .features = PHY_GBIT_FEATURES,
1132 .flags = PHY_HAS_INTERRUPT,
1133 .probe = marvell_probe,
1134 .config_init = &m88e1118_config_init,
1135 .config_aneg = &m88e1118_config_aneg,
1136 .read_status = &genphy_read_status,
1137 .ack_interrupt = &marvell_ack_interrupt,
1138 .config_intr = &marvell_config_intr,
1139 .resume = &genphy_resume,
1140 .suspend = &genphy_suspend,
1141 .get_sset_count = marvell_get_sset_count,
1142 .get_strings = marvell_get_strings,
1143 .get_stats = marvell_get_stats,
1146 .phy_id = MARVELL_PHY_ID_88E1121R,
1147 .phy_id_mask = MARVELL_PHY_ID_MASK,
1148 .name = "Marvell 88E1121R",
1149 .features = PHY_GBIT_FEATURES,
1150 .flags = PHY_HAS_INTERRUPT,
1151 .probe = marvell_probe,
1152 .config_aneg = &m88e1121_config_aneg,
1153 .read_status = &marvell_read_status,
1154 .ack_interrupt = &marvell_ack_interrupt,
1155 .config_intr = &marvell_config_intr,
1156 .did_interrupt = &m88e1121_did_interrupt,
1157 .resume = &genphy_resume,
1158 .suspend = &genphy_suspend,
1159 .get_sset_count = marvell_get_sset_count,
1160 .get_strings = marvell_get_strings,
1161 .get_stats = marvell_get_stats,
1164 .phy_id = MARVELL_PHY_ID_88E1318S,
1165 .phy_id_mask = MARVELL_PHY_ID_MASK,
1166 .name = "Marvell 88E1318S",
1167 .features = PHY_GBIT_FEATURES,
1168 .flags = PHY_HAS_INTERRUPT,
1169 .probe = marvell_probe,
1170 .config_aneg = &m88e1318_config_aneg,
1171 .read_status = &marvell_read_status,
1172 .ack_interrupt = &marvell_ack_interrupt,
1173 .config_intr = &marvell_config_intr,
1174 .did_interrupt = &m88e1121_did_interrupt,
1175 .get_wol = &m88e1318_get_wol,
1176 .set_wol = &m88e1318_set_wol,
1177 .resume = &genphy_resume,
1178 .suspend = &genphy_suspend,
1179 .get_sset_count = marvell_get_sset_count,
1180 .get_strings = marvell_get_strings,
1181 .get_stats = marvell_get_stats,
1184 .phy_id = MARVELL_PHY_ID_88E1145,
1185 .phy_id_mask = MARVELL_PHY_ID_MASK,
1186 .name = "Marvell 88E1145",
1187 .features = PHY_GBIT_FEATURES,
1188 .flags = PHY_HAS_INTERRUPT,
1189 .probe = marvell_probe,
1190 .config_init = &m88e1145_config_init,
1191 .config_aneg = &marvell_config_aneg,
1192 .read_status = &genphy_read_status,
1193 .ack_interrupt = &marvell_ack_interrupt,
1194 .config_intr = &marvell_config_intr,
1195 .resume = &genphy_resume,
1196 .suspend = &genphy_suspend,
1197 .get_sset_count = marvell_get_sset_count,
1198 .get_strings = marvell_get_strings,
1199 .get_stats = marvell_get_stats,
1202 .phy_id = MARVELL_PHY_ID_88E1149R,
1203 .phy_id_mask = MARVELL_PHY_ID_MASK,
1204 .name = "Marvell 88E1149R",
1205 .features = PHY_GBIT_FEATURES,
1206 .flags = PHY_HAS_INTERRUPT,
1207 .probe = marvell_probe,
1208 .config_init = &m88e1149_config_init,
1209 .config_aneg = &m88e1118_config_aneg,
1210 .read_status = &genphy_read_status,
1211 .ack_interrupt = &marvell_ack_interrupt,
1212 .config_intr = &marvell_config_intr,
1213 .resume = &genphy_resume,
1214 .suspend = &genphy_suspend,
1215 .get_sset_count = marvell_get_sset_count,
1216 .get_strings = marvell_get_strings,
1217 .get_stats = marvell_get_stats,
1220 .phy_id = MARVELL_PHY_ID_88E1240,
1221 .phy_id_mask = MARVELL_PHY_ID_MASK,
1222 .name = "Marvell 88E1240",
1223 .features = PHY_GBIT_FEATURES,
1224 .flags = PHY_HAS_INTERRUPT,
1225 .probe = marvell_probe,
1226 .config_init = &m88e1111_config_init,
1227 .config_aneg = &marvell_config_aneg,
1228 .read_status = &genphy_read_status,
1229 .ack_interrupt = &marvell_ack_interrupt,
1230 .config_intr = &marvell_config_intr,
1231 .resume = &genphy_resume,
1232 .suspend = &genphy_suspend,
1233 .get_sset_count = marvell_get_sset_count,
1234 .get_strings = marvell_get_strings,
1235 .get_stats = marvell_get_stats,
1238 .phy_id = MARVELL_PHY_ID_88E1116R,
1239 .phy_id_mask = MARVELL_PHY_ID_MASK,
1240 .name = "Marvell 88E1116R",
1241 .features = PHY_GBIT_FEATURES,
1242 .flags = PHY_HAS_INTERRUPT,
1243 .probe = marvell_probe,
1244 .config_init = &m88e1116r_config_init,
1245 .config_aneg = &genphy_config_aneg,
1246 .read_status = &genphy_read_status,
1247 .ack_interrupt = &marvell_ack_interrupt,
1248 .config_intr = &marvell_config_intr,
1249 .resume = &genphy_resume,
1250 .suspend = &genphy_suspend,
1251 .get_sset_count = marvell_get_sset_count,
1252 .get_strings = marvell_get_strings,
1253 .get_stats = marvell_get_stats,
1256 .phy_id = MARVELL_PHY_ID_88E1510,
1257 .phy_id_mask = MARVELL_PHY_ID_MASK,
1258 .name = "Marvell 88E1510",
1259 .features = PHY_GBIT_FEATURES,
1260 .flags = PHY_HAS_INTERRUPT,
1261 .probe = marvell_probe,
1262 .config_aneg = &m88e1510_config_aneg,
1263 .read_status = &marvell_read_status,
1264 .ack_interrupt = &marvell_ack_interrupt,
1265 .config_intr = &marvell_config_intr,
1266 .did_interrupt = &m88e1121_did_interrupt,
1267 .resume = &genphy_resume,
1268 .suspend = &genphy_suspend,
1269 .get_sset_count = marvell_get_sset_count,
1270 .get_strings = marvell_get_strings,
1271 .get_stats = marvell_get_stats,
1274 .phy_id = MARVELL_PHY_ID_88E1540,
1275 .phy_id_mask = MARVELL_PHY_ID_MASK,
1276 .name = "Marvell 88E1540",
1277 .features = PHY_GBIT_FEATURES,
1278 .flags = PHY_HAS_INTERRUPT,
1279 .probe = marvell_probe,
1280 .config_aneg = &m88e1510_config_aneg,
1281 .read_status = &marvell_read_status,
1282 .ack_interrupt = &marvell_ack_interrupt,
1283 .config_intr = &marvell_config_intr,
1284 .did_interrupt = &m88e1121_did_interrupt,
1285 .resume = &genphy_resume,
1286 .suspend = &genphy_suspend,
1287 .get_sset_count = marvell_get_sset_count,
1288 .get_strings = marvell_get_strings,
1289 .get_stats = marvell_get_stats,
1292 .phy_id = MARVELL_PHY_ID_88E3016,
1293 .phy_id_mask = MARVELL_PHY_ID_MASK,
1294 .name = "Marvell 88E3016",
1295 .features = PHY_BASIC_FEATURES,
1296 .flags = PHY_HAS_INTERRUPT,
1297 .probe = marvell_probe,
1298 .config_aneg = &genphy_config_aneg,
1299 .config_init = &m88e3016_config_init,
1300 .aneg_done = &marvell_aneg_done,
1301 .read_status = &marvell_read_status,
1302 .ack_interrupt = &marvell_ack_interrupt,
1303 .config_intr = &marvell_config_intr,
1304 .did_interrupt = &m88e1121_did_interrupt,
1305 .resume = &genphy_resume,
1306 .suspend = &genphy_suspend,
1307 .get_sset_count = marvell_get_sset_count,
1308 .get_strings = marvell_get_strings,
1309 .get_stats = marvell_get_stats,
1313 module_phy_driver(marvell_drivers);
1315 static struct mdio_device_id __maybe_unused marvell_tbl[] = {
1316 { MARVELL_PHY_ID_88E1101, MARVELL_PHY_ID_MASK },
1317 { MARVELL_PHY_ID_88E1112, MARVELL_PHY_ID_MASK },
1318 { MARVELL_PHY_ID_88E1111, MARVELL_PHY_ID_MASK },
1319 { MARVELL_PHY_ID_88E1118, MARVELL_PHY_ID_MASK },
1320 { MARVELL_PHY_ID_88E1121R, MARVELL_PHY_ID_MASK },
1321 { MARVELL_PHY_ID_88E1145, MARVELL_PHY_ID_MASK },
1322 { MARVELL_PHY_ID_88E1149R, MARVELL_PHY_ID_MASK },
1323 { MARVELL_PHY_ID_88E1240, MARVELL_PHY_ID_MASK },
1324 { MARVELL_PHY_ID_88E1318S, MARVELL_PHY_ID_MASK },
1325 { MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK },
1326 { MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK },
1327 { MARVELL_PHY_ID_88E1540, MARVELL_PHY_ID_MASK },
1328 { MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK },
1332 MODULE_DEVICE_TABLE(mdio, marvell_tbl);