Initial import

1 files changed, 1141 insertions, 0 deletions

diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
new file mode 100644
index 000000000..1b1698f98
--- /dev/null
+++ b/drivers/net/phy/marvell.c
@@ -0,0 +1,1141 @@
+/*
+ * drivers/net/phy/marvell.c
+ *
+ * Driver for Marvell PHYs
+ *
+ * Author: Andy Fleming
+ *
+ * Copyright (c) 2004 Freescale Semiconductor, Inc.
+ *
+ * Copyright (c) 2013 Michael Stapelberg <michael@stapelberg.de>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ *
+ */
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/unistd.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/mii.h>
+#include <linux/ethtool.h>
+#include <linux/phy.h>
+#include <linux/marvell_phy.h>
+#include <linux/of.h>
+
+#include <linux/io.h>
+#include <asm/irq.h>
+#include <linux/uaccess.h>
+
+#define MII_MARVELL_PHY_PAGE		22
+
+#define MII_M1011_IEVENT		0x13
+#define MII_M1011_IEVENT_CLEAR		0x0000
+
+#define MII_M1011_IMASK			0x12
+#define MII_M1011_IMASK_INIT		0x6400
+#define MII_M1011_IMASK_CLEAR		0x0000
+
+#define MII_M1011_PHY_SCR		0x10
+#define MII_M1011_PHY_SCR_AUTO_CROSS	0x0060
+
+#define MII_M1145_PHY_EXT_SR		0x1b
+#define MII_M1145_PHY_EXT_CR		0x14
+#define MII_M1145_RGMII_RX_DELAY	0x0080
+#define MII_M1145_RGMII_TX_DELAY	0x0002
+#define MII_M1145_HWCFG_MODE_SGMII_NO_CLK	0x4
+#define MII_M1145_HWCFG_MODE_MASK		0xf
+#define MII_M1145_HWCFG_FIBER_COPPER_AUTO	0x8000
+
+#define MII_M1145_HWCFG_MODE_SGMII_NO_CLK	0x4
+#define MII_M1145_HWCFG_MODE_MASK		0xf
+#define MII_M1145_HWCFG_FIBER_COPPER_AUTO	0x8000
+
+#define MII_M1111_PHY_LED_CONTROL	0x18
+#define MII_M1111_PHY_LED_DIRECT	0x4100
+#define MII_M1111_PHY_LED_COMBINE	0x411c
+#define MII_M1111_PHY_EXT_CR		0x14
+#define MII_M1111_RX_DELAY		0x80
+#define MII_M1111_TX_DELAY		0x2
+#define MII_M1111_PHY_EXT_SR		0x1b
+
+#define MII_M1111_HWCFG_MODE_MASK		0xf
+#define MII_M1111_HWCFG_MODE_COPPER_RGMII	0xb
+#define MII_M1111_HWCFG_MODE_FIBER_RGMII	0x3
+#define MII_M1111_HWCFG_MODE_SGMII_NO_CLK	0x4
+#define MII_M1111_HWCFG_MODE_COPPER_RTBI	0x9
+#define MII_M1111_HWCFG_FIBER_COPPER_AUTO	0x8000
+#define MII_M1111_HWCFG_FIBER_COPPER_RES	0x2000
+
+#define MII_M1111_COPPER		0
+#define MII_M1111_FIBER			1
+
+#define MII_88E1121_PHY_MSCR_PAGE	2
+#define MII_88E1121_PHY_MSCR_REG	21
+#define MII_88E1121_PHY_MSCR_RX_DELAY	BIT(5)
+#define MII_88E1121_PHY_MSCR_TX_DELAY	BIT(4)
+#define MII_88E1121_PHY_MSCR_DELAY_MASK	(~(0x3 << 4))
+
+#define MII_88E1318S_PHY_MSCR1_REG	16
+#define MII_88E1318S_PHY_MSCR1_PAD_ODD	BIT(6)
+
+/* Copper Specific Interrupt Enable Register */
+#define MII_88E1318S_PHY_CSIER                              0x12
+/* WOL Event Interrupt Enable */
+#define MII_88E1318S_PHY_CSIER_WOL_EIE                      BIT(7)
+
+/* LED Timer Control Register */
+#define MII_88E1318S_PHY_LED_PAGE                           0x03
+#define MII_88E1318S_PHY_LED_TCR                            0x12
+#define MII_88E1318S_PHY_LED_TCR_FORCE_INT                  BIT(15)
+#define MII_88E1318S_PHY_LED_TCR_INTn_ENABLE                BIT(7)
+#define MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW             BIT(11)
+
+/* Magic Packet MAC address registers */
+#define MII_88E1318S_PHY_MAGIC_PACKET_WORD2                 0x17
+#define MII_88E1318S_PHY_MAGIC_PACKET_WORD1                 0x18
+#define MII_88E1318S_PHY_MAGIC_PACKET_WORD0                 0x19
+
+#define MII_88E1318S_PHY_WOL_PAGE                           0x11
+#define MII_88E1318S_PHY_WOL_CTRL                           0x10
+#define MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS          BIT(12)
+#define MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE BIT(14)
+
+#define MII_88E1121_PHY_LED_CTRL	16
+#define MII_88E1121_PHY_LED_PAGE	3
+#define MII_88E1121_PHY_LED_DEF		0x0030
+
+#define MII_M1011_PHY_STATUS		0x11
+#define MII_M1011_PHY_STATUS_1000	0x8000
+#define MII_M1011_PHY_STATUS_100	0x4000
+#define MII_M1011_PHY_STATUS_SPD_MASK	0xc000
+#define MII_M1011_PHY_STATUS_FULLDUPLEX	0x2000
+#define MII_M1011_PHY_STATUS_RESOLVED	0x0800
+#define MII_M1011_PHY_STATUS_LINK	0x0400
+
+#define MII_M1116R_CONTROL_REG_MAC	21
+
+#define MII_88E3016_PHY_SPEC_CTRL	0x10
+#define MII_88E3016_DISABLE_SCRAMBLER	0x0200
+#define MII_88E3016_AUTO_MDIX_CROSSOVER	0x0030
+
+MODULE_DESCRIPTION("Marvell PHY driver");
+MODULE_AUTHOR("Andy Fleming");
+MODULE_LICENSE("GPL");
+
+static int marvell_ack_interrupt(struct phy_device *phydev)
+{
+	int err;
+
+	/* Clear the interrupts by reading the reg */
+	err = phy_read(phydev, MII_M1011_IEVENT);
+
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+static int marvell_config_intr(struct phy_device *phydev)
+{
+	int err;
+
+	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
+		err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_INIT);
+	else
+		err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_CLEAR);
+
+	return err;
+}
+
+static int marvell_config_aneg(struct phy_device *phydev)
+{
+	int err;
+
+	/* The Marvell PHY has an errata which requires
+	 * that certain registers get written in order
+	 * to restart autonegotiation */
+	err = phy_write(phydev, MII_BMCR, BMCR_RESET);
+
+	if (err < 0)
+		return err;
+
+	err = phy_write(phydev, 0x1d, 0x1f);
+	if (err < 0)
+		return err;
+
+	err = phy_write(phydev, 0x1e, 0x200c);
+	if (err < 0)
+		return err;
+
+	err = phy_write(phydev, 0x1d, 0x5);
+	if (err < 0)
+		return err;
+
+	err = phy_write(phydev, 0x1e, 0);
+	if (err < 0)
+		return err;
+
+	err = phy_write(phydev, 0x1e, 0x100);
+	if (err < 0)
+		return err;
+
+	err = phy_write(phydev, MII_M1011_PHY_SCR,
+			MII_M1011_PHY_SCR_AUTO_CROSS);
+	if (err < 0)
+		return err;
+
+	err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
+			MII_M1111_PHY_LED_DIRECT);
+	if (err < 0)
+		return err;
+
+	err = genphy_config_aneg(phydev);
+	if (err < 0)
+		return err;
+
+	if (phydev->autoneg != AUTONEG_ENABLE) {
+		int bmcr;
+
+		/*
+		 * A write to speed/duplex bits (that is performed by
+		 * genphy_config_aneg() call above) must be followed by
+		 * a software reset. Otherwise, the write has no effect.
+		 */
+		bmcr = phy_read(phydev, MII_BMCR);
+		if (bmcr < 0)
+			return bmcr;
+
+		err = phy_write(phydev, MII_BMCR, bmcr | BMCR_RESET);
+		if (err < 0)
+			return err;
+	}
+
+	return 0;
+}
+
+#ifdef CONFIG_OF_MDIO
+/*
+ * Set and/or override some configuration registers based on the
+ * marvell,reg-init property stored in the of_node for the phydev.
+ *
+ * marvell,reg-init = <reg-page reg mask value>,...;
+ *
+ * There may be one or more sets of <reg-page reg mask value>:
+ *
+ * reg-page: which register bank to use.
+ * reg: the register.
+ * mask: if non-zero, ANDed with existing register value.
+ * value: ORed with the masked value and written to the regiser.
+ *
+ */
+static int marvell_of_reg_init(struct phy_device *phydev)
+{
+	const __be32 *paddr;
+	int len, i, saved_page, current_page, page_changed, ret;
+
+	if (!phydev->dev.of_node)
+		return 0;
+
+	paddr = of_get_property(phydev->dev.of_node, "marvell,reg-init", &len);
+	if (!paddr || len < (4 * sizeof(*paddr)))
+		return 0;
+
+	saved_page = phy_read(phydev, MII_MARVELL_PHY_PAGE);
+	if (saved_page < 0)
+		return saved_page;
+	page_changed = 0;
+	current_page = saved_page;
+
+	ret = 0;
+	len /= sizeof(*paddr);
+	for (i = 0; i < len - 3; i += 4) {
+		u16 reg_page = be32_to_cpup(paddr + i);
+		u16 reg = be32_to_cpup(paddr + i + 1);
+		u16 mask = be32_to_cpup(paddr + i + 2);
+		u16 val_bits = be32_to_cpup(paddr + i + 3);
+		int val;
+
+		if (reg_page != current_page) {
+			current_page = reg_page;
+			page_changed = 1;
+			ret = phy_write(phydev, MII_MARVELL_PHY_PAGE, reg_page);
+			if (ret < 0)
+				goto err;
+		}
+
+		val = 0;
+		if (mask) {
+			val = phy_read(phydev, reg);
+			if (val < 0) {
+				ret = val;
+				goto err;
+			}
+			val &= mask;
+		}
+		val |= val_bits;
+
+		ret = phy_write(phydev, reg, val);
+		if (ret < 0)
+			goto err;
+
+	}
+err:
+	if (page_changed) {
+		i = phy_write(phydev, MII_MARVELL_PHY_PAGE, saved_page);
+		if (ret == 0)
+			ret = i;
+	}
+	return ret;
+}
+#else
+static int marvell_of_reg_init(struct phy_device *phydev)
+{
+	return 0;
+}
+#endif /* CONFIG_OF_MDIO */
+
+static int m88e1121_config_aneg(struct phy_device *phydev)
+{
+	int err, oldpage, mscr;
+
+	oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
+
+	err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
+			MII_88E1121_PHY_MSCR_PAGE);
+	if (err < 0)
+		return err;
+
+	if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
+	    (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) ||
+	    (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
+	    (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) {
+
+		mscr = phy_read(phydev, MII_88E1121_PHY_MSCR_REG) &
+			MII_88E1121_PHY_MSCR_DELAY_MASK;
+
+		if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
+			mscr |= (MII_88E1121_PHY_MSCR_RX_DELAY |
+				 MII_88E1121_PHY_MSCR_TX_DELAY);
+		else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
+			mscr |= MII_88E1121_PHY_MSCR_RX_DELAY;
+		else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
+			mscr |= MII_88E1121_PHY_MSCR_TX_DELAY;
+
+		err = phy_write(phydev, MII_88E1121_PHY_MSCR_REG, mscr);
+		if (err < 0)
+			return err;
+	}
+
+	phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
+
+	err = phy_write(phydev, MII_BMCR, BMCR_RESET);
+	if (err < 0)
+		return err;
+
+	err = phy_write(phydev, MII_M1011_PHY_SCR,
+			MII_M1011_PHY_SCR_AUTO_CROSS);
+	if (err < 0)
+		return err;
+
+	oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
+
+	phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1121_PHY_LED_PAGE);
+	phy_write(phydev, MII_88E1121_PHY_LED_CTRL, MII_88E1121_PHY_LED_DEF);
+	phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
+
+	err = genphy_config_aneg(phydev);
+
+	return err;
+}
+
+static int m88e1318_config_aneg(struct phy_device *phydev)
+{
+	int err, oldpage, mscr;
+
+	oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
+
+	err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
+			MII_88E1121_PHY_MSCR_PAGE);
+	if (err < 0)
+		return err;
+
+	mscr = phy_read(phydev, MII_88E1318S_PHY_MSCR1_REG);
+	mscr |= MII_88E1318S_PHY_MSCR1_PAD_ODD;
+
+	err = phy_write(phydev, MII_88E1318S_PHY_MSCR1_REG, mscr);
+	if (err < 0)
+		return err;
+
+	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
+	if (err < 0)
+		return err;
+
+	return m88e1121_config_aneg(phydev);
+}
+
+static int m88e1510_config_aneg(struct phy_device *phydev)
+{
+	int err;
+
+	err = m88e1318_config_aneg(phydev);
+	if (err < 0)
+		return err;
+
+	return marvell_of_reg_init(phydev);
+}
+
+static int m88e1116r_config_init(struct phy_device *phydev)
+{
+	int temp;
+	int err;
+
+	temp = phy_read(phydev, MII_BMCR);
+	temp |= BMCR_RESET;
+	err = phy_write(phydev, MII_BMCR, temp);
+	if (err < 0)
+		return err;
+
+	mdelay(500);
+
+	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
+	if (err < 0)
+		return err;
+
+	temp = phy_read(phydev, MII_M1011_PHY_SCR);
+	temp |= (7 << 12);	/* max number of gigabit attempts */
+	temp |= (1 << 11);	/* enable downshift */
+	temp |= MII_M1011_PHY_SCR_AUTO_CROSS;
+	err = phy_write(phydev, MII_M1011_PHY_SCR, temp);
+	if (err < 0)
+		return err;
+
+	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 2);
+	if (err < 0)
+		return err;
+	temp = phy_read(phydev, MII_M1116R_CONTROL_REG_MAC);
+	temp |= (1 << 5);
+	temp |= (1 << 4);
+	err = phy_write(phydev, MII_M1116R_CONTROL_REG_MAC, temp);
+	if (err < 0)
+		return err;
+	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
+	if (err < 0)
+		return err;
+
+	temp = phy_read(phydev, MII_BMCR);
+	temp |= BMCR_RESET;
+	err = phy_write(phydev, MII_BMCR, temp);
+	if (err < 0)
+		return err;
+
+	mdelay(500);
+
+	return 0;
+}
+
+static int m88e3016_config_init(struct phy_device *phydev)
+{
+	int reg;
+
+	/* Enable Scrambler and Auto-Crossover */
+	reg = phy_read(phydev, MII_88E3016_PHY_SPEC_CTRL);
+	if (reg < 0)
+		return reg;
+
+	reg &= ~MII_88E3016_DISABLE_SCRAMBLER;
+	reg |= MII_88E3016_AUTO_MDIX_CROSSOVER;
+
+	reg = phy_write(phydev, MII_88E3016_PHY_SPEC_CTRL, reg);
+	if (reg < 0)
+		return reg;
+
+	return 0;
+}
+
+static int m88e1111_config_init(struct phy_device *phydev)
+{
+	int err;
+	int temp;
+
+	if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
+	    (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) ||
+	    (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
+	    (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) {
+
+		temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
+		if (temp < 0)
+			return temp;
+
+		if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
+			temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
+		} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
+			temp &= ~MII_M1111_TX_DELAY;
+			temp |= MII_M1111_RX_DELAY;
+		} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
+			temp &= ~MII_M1111_RX_DELAY;
+			temp |= MII_M1111_TX_DELAY;
+		}
+
+		err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
+		if (err < 0)
+			return err;
+
+		temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
+		if (temp < 0)
+			return temp;
+
+		temp &= ~(MII_M1111_HWCFG_MODE_MASK);
+
+		if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES)
+			temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
+		else
+			temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
+
+		err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
+		if (err < 0)
+			return err;
+	}
+
+	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
+		temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
+		if (temp < 0)
+			return temp;
+
+		temp &= ~(MII_M1111_HWCFG_MODE_MASK);
+		temp |= MII_M1111_HWCFG_MODE_SGMII_NO_CLK;
+		temp |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
+
+		err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
+		if (err < 0)
+			return err;
+	}
+
+	if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
+		temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
+		if (temp < 0)
+			return temp;
+		temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
+		err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
+		if (err < 0)
+			return err;
+
+		temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
+		if (temp < 0)
+			return temp;
+		temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
+		temp |= 0x7 | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
+		err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
+		if (err < 0)
+			return err;
+
+		/* soft reset */
+		err = phy_write(phydev, MII_BMCR, BMCR_RESET);
+		if (err < 0)
+			return err;
+		do
+			temp = phy_read(phydev, MII_BMCR);
+		while (temp & BMCR_RESET);
+
+		temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
+		if (temp < 0)
+			return temp;
+		temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
+		temp |= MII_M1111_HWCFG_MODE_COPPER_RTBI | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
+		err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
+		if (err < 0)
+			return err;
+	}
+
+	err = marvell_of_reg_init(phydev);
+	if (err < 0)
+		return err;
+
+	return phy_write(phydev, MII_BMCR, BMCR_RESET);
+}
+
+static int m88e1118_config_aneg(struct phy_device *phydev)
+{
+	int err;
+
+	err = phy_write(phydev, MII_BMCR, BMCR_RESET);
+	if (err < 0)
+		return err;
+
+	err = phy_write(phydev, MII_M1011_PHY_SCR,
+			MII_M1011_PHY_SCR_AUTO_CROSS);
+	if (err < 0)
+		return err;
+
+	err = genphy_config_aneg(phydev);
+	return 0;
+}
+
+static int m88e1118_config_init(struct phy_device *phydev)
+{
+	int err;
+
+	/* Change address */
+	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
+	if (err < 0)
+		return err;
+
+	/* Enable 1000 Mbit */
+	err = phy_write(phydev, 0x15, 0x1070);
+	if (err < 0)
+		return err;
+
+	/* Change address */
+	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0003);
+	if (err < 0)
+		return err;
+
+	/* Adjust LED Control */
+	if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS)
+		err = phy_write(phydev, 0x10, 0x1100);
+	else
+		err = phy_write(phydev, 0x10, 0x021e);
+	if (err < 0)
+		return err;
+
+	err = marvell_of_reg_init(phydev);
+	if (err < 0)
+		return err;
+
+	/* Reset address */
+	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
+	if (err < 0)
+		return err;
+
+	return phy_write(phydev, MII_BMCR, BMCR_RESET);
+}
+
+static int m88e1149_config_init(struct phy_device *phydev)
+{
+	int err;
+
+	/* Change address */
+	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
+	if (err < 0)
+		return err;
+
+	/* Enable 1000 Mbit */
+	err = phy_write(phydev, 0x15, 0x1048);
+	if (err < 0)
+		return err;
+
+	err = marvell_of_reg_init(phydev);
+	if (err < 0)
+		return err;
+
+	/* Reset address */
+	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
+	if (err < 0)
+		return err;
+
+	return phy_write(phydev, MII_BMCR, BMCR_RESET);
+}
+
+static int m88e1145_config_init(struct phy_device *phydev)
+{
+	int err;
+	int temp;
+
+	/* Take care of errata E0 & E1 */
+	err = phy_write(phydev, 0x1d, 0x001b);
+	if (err < 0)
+		return err;
+
+	err = phy_write(phydev, 0x1e, 0x418f);
+	if (err < 0)
+		return err;
+
+	err = phy_write(phydev, 0x1d, 0x0016);
+	if (err < 0)
+		return err;
+
+	err = phy_write(phydev, 0x1e, 0xa2da);
+	if (err < 0)
+		return err;
+
+	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
+		int temp = phy_read(phydev, MII_M1145_PHY_EXT_CR);
+		if (temp < 0)
+			return temp;
+
+		temp |= (MII_M1145_RGMII_RX_DELAY | MII_M1145_RGMII_TX_DELAY);
+
+		err = phy_write(phydev, MII_M1145_PHY_EXT_CR, temp);
+		if (err < 0)
+			return err;
+
+		if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
+			err = phy_write(phydev, 0x1d, 0x0012);
+			if (err < 0)
+				return err;
+
+			temp = phy_read(phydev, 0x1e);
+			if (temp < 0)
+				return temp;
+
+			temp &= 0xf03f;
+			temp |= 2 << 9;	/* 36 ohm */
+			temp |= 2 << 6;	/* 39 ohm */
+
+			err = phy_write(phydev, 0x1e, temp);
+			if (err < 0)
+				return err;
+
+			err = phy_write(phydev, 0x1d, 0x3);
+			if (err < 0)
+				return err;
+
+			err = phy_write(phydev, 0x1e, 0x8000);
+			if (err < 0)
+				return err;
+		}
+	}
+
+	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
+		temp = phy_read(phydev, MII_M1145_PHY_EXT_SR);
+		if (temp < 0)
+			return temp;
+
+		temp &= ~MII_M1145_HWCFG_MODE_MASK;
+		temp |= MII_M1145_HWCFG_MODE_SGMII_NO_CLK;
+		temp |= MII_M1145_HWCFG_FIBER_COPPER_AUTO;
+
+		err = phy_write(phydev, MII_M1145_PHY_EXT_SR, temp);
+		if (err < 0)
+			return err;
+	}
+
+	err = marvell_of_reg_init(phydev);
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+/* marvell_read_status
+ *
+ * Generic status code does not detect Fiber correctly!
+ * Description:
+ *   Check the link, then figure out the current state
+ *   by comparing what we advertise with what the link partner
+ *   advertises.  Start by checking the gigabit possibilities,
+ *   then move on to 10/100.
+ */
+static int marvell_read_status(struct phy_device *phydev)
+{
+	int adv;
+	int err;
+	int lpa;
+	int status = 0;
+
+	/* Update the link, but return if there
+	 * was an error */
+	err = genphy_update_link(phydev);
+	if (err)
+		return err;
+
+	if (AUTONEG_ENABLE == phydev->autoneg) {
+		status = phy_read(phydev, MII_M1011_PHY_STATUS);
+		if (status < 0)
+			return status;
+
+		lpa = phy_read(phydev, MII_LPA);
+		if (lpa < 0)
+			return lpa;
+
+		adv = phy_read(phydev, MII_ADVERTISE);
+		if (adv < 0)
+			return adv;
+
+		lpa &= adv;
+
+		if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
+			phydev->duplex = DUPLEX_FULL;
+		else
+			phydev->duplex = DUPLEX_HALF;
+
+		status = status & MII_M1011_PHY_STATUS_SPD_MASK;
+		phydev->pause = phydev->asym_pause = 0;
+
+		switch (status) {
+		case MII_M1011_PHY_STATUS_1000:
+			phydev->speed = SPEED_1000;
+			break;
+
+		case MII_M1011_PHY_STATUS_100:
+			phydev->speed = SPEED_100;
+			break;
+
+		default:
+			phydev->speed = SPEED_10;
+			break;
+		}
+
+		if (phydev->duplex == DUPLEX_FULL) {
+			phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
+			phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
+		}
+	} else {
+		int bmcr = phy_read(phydev, MII_BMCR);
+
+		if (bmcr < 0)
+			return bmcr;
+
+		if (bmcr & BMCR_FULLDPLX)
+			phydev->duplex = DUPLEX_FULL;
+		else
+			phydev->duplex = DUPLEX_HALF;
+
+		if (bmcr & BMCR_SPEED1000)
+			phydev->speed = SPEED_1000;
+		else if (bmcr & BMCR_SPEED100)
+			phydev->speed = SPEED_100;
+		else
+			phydev->speed = SPEED_10;
+
+		phydev->pause = phydev->asym_pause = 0;
+	}
+
+	return 0;
+}
+
+static int marvell_aneg_done(struct phy_device *phydev)
+{
+	int retval = phy_read(phydev, MII_M1011_PHY_STATUS);
+	return (retval < 0) ? retval : (retval & MII_M1011_PHY_STATUS_RESOLVED);
+}
+
+static int m88e1121_did_interrupt(struct phy_device *phydev)
+{
+	int imask;
+
+	imask = phy_read(phydev, MII_M1011_IEVENT);
+
+	if (imask & MII_M1011_IMASK_INIT)
+		return 1;
+
+	return 0;
+}
+
+static void m88e1318_get_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol)
+{
+	wol->supported = WAKE_MAGIC;
+	wol->wolopts = 0;
+
+	if (phy_write(phydev, MII_MARVELL_PHY_PAGE,
+		      MII_88E1318S_PHY_WOL_PAGE) < 0)
+		return;
+
+	if (phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL) &
+	    MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE)
+		wol->wolopts |= WAKE_MAGIC;
+
+	if (phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x00) < 0)
+		return;
+}
+
+static int m88e1318_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol)
+{
+	int err, oldpage, temp;
+
+	oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
+
+	if (wol->wolopts & WAKE_MAGIC) {
+		/* Explicitly switch to page 0x00, just to be sure */
+		err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x00);
+		if (err < 0)
+			return err;
+
+		/* Enable the WOL interrupt */
+		temp = phy_read(phydev, MII_88E1318S_PHY_CSIER);
+		temp |= MII_88E1318S_PHY_CSIER_WOL_EIE;
+		err = phy_write(phydev, MII_88E1318S_PHY_CSIER, temp);
+		if (err < 0)
+			return err;
+
+		err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
+				MII_88E1318S_PHY_LED_PAGE);
+		if (err < 0)
+			return err;
+
+		/* Setup LED[2] as interrupt pin (active low) */
+		temp = phy_read(phydev, MII_88E1318S_PHY_LED_TCR);
+		temp &= ~MII_88E1318S_PHY_LED_TCR_FORCE_INT;
+		temp |= MII_88E1318S_PHY_LED_TCR_INTn_ENABLE;
+		temp |= MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW;
+		err = phy_write(phydev, MII_88E1318S_PHY_LED_TCR, temp);
+		if (err < 0)
+			return err;
+
+		err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
+				MII_88E1318S_PHY_WOL_PAGE);
+		if (err < 0)
+			return err;
+
+		/* Store the device address for the magic packet */
+		err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD2,
+				((phydev->attached_dev->dev_addr[5] << 8) |
+				 phydev->attached_dev->dev_addr[4]));
+		if (err < 0)
+			return err;
+		err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD1,
+				((phydev->attached_dev->dev_addr[3] << 8) |
+				 phydev->attached_dev->dev_addr[2]));
+		if (err < 0)
+			return err;
+		err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD0,
+				((phydev->attached_dev->dev_addr[1] << 8) |
+				 phydev->attached_dev->dev_addr[0]));
+		if (err < 0)
+			return err;
+
+		/* Clear WOL status and enable magic packet matching */
+		temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
+		temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS;
+		temp |= MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE;
+		err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp);
+		if (err < 0)
+			return err;
+	} else {
+		err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
+				MII_88E1318S_PHY_WOL_PAGE);
+		if (err < 0)
+			return err;
+
+		/* Clear WOL status and disable magic packet matching */
+		temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
+		temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS;
+		temp &= ~MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE;
+		err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp);
+		if (err < 0)
+			return err;
+	}
+
+	err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+static struct phy_driver marvell_drivers[] = {
+	{
+		.phy_id = MARVELL_PHY_ID_88E1101,
+		.phy_id_mask = MARVELL_PHY_ID_MASK,
+		.name = "Marvell 88E1101",
+		.features = PHY_GBIT_FEATURES,
+		.flags = PHY_HAS_INTERRUPT,
+		.config_aneg = &marvell_config_aneg,
+		.read_status = &genphy_read_status,
+		.ack_interrupt = &marvell_ack_interrupt,
+		.config_intr = &marvell_config_intr,
+		.resume = &genphy_resume,
+		.suspend = &genphy_suspend,
+		.driver = { .owner = THIS_MODULE },
+	},
+	{
+		.phy_id = MARVELL_PHY_ID_88E1112,
+		.phy_id_mask = MARVELL_PHY_ID_MASK,
+		.name = "Marvell 88E1112",
+		.features = PHY_GBIT_FEATURES,
+		.flags = PHY_HAS_INTERRUPT,
+		.config_init = &m88e1111_config_init,
+		.config_aneg = &marvell_config_aneg,
+		.read_status = &genphy_read_status,
+		.ack_interrupt = &marvell_ack_interrupt,
+		.config_intr = &marvell_config_intr,
+		.resume = &genphy_resume,
+		.suspend = &genphy_suspend,
+		.driver = { .owner = THIS_MODULE },
+	},
+	{
+		.phy_id = MARVELL_PHY_ID_88E1111,
+		.phy_id_mask = MARVELL_PHY_ID_MASK,
+		.name = "Marvell 88E1111",
+		.features = PHY_GBIT_FEATURES,
+		.flags = PHY_HAS_INTERRUPT,
+		.config_init = &m88e1111_config_init,
+		.config_aneg = &marvell_config_aneg,
+		.read_status = &marvell_read_status,
+		.ack_interrupt = &marvell_ack_interrupt,
+		.config_intr = &marvell_config_intr,
+		.resume = &genphy_resume,
+		.suspend = &genphy_suspend,
+		.driver = { .owner = THIS_MODULE },
+	},
+	{
+		.phy_id = MARVELL_PHY_ID_88E1118,
+		.phy_id_mask = MARVELL_PHY_ID_MASK,
+		.name = "Marvell 88E1118",
+		.features = PHY_GBIT_FEATURES,
+		.flags = PHY_HAS_INTERRUPT,
+		.config_init = &m88e1118_config_init,
+		.config_aneg = &m88e1118_config_aneg,
+		.read_status = &genphy_read_status,
+		.ack_interrupt = &marvell_ack_interrupt,
+		.config_intr = &marvell_config_intr,
+		.resume = &genphy_resume,
+		.suspend = &genphy_suspend,
+		.driver = {.owner = THIS_MODULE,},
+	},
+	{
+		.phy_id = MARVELL_PHY_ID_88E1121R,
+		.phy_id_mask = MARVELL_PHY_ID_MASK,
+		.name = "Marvell 88E1121R",
+		.features = PHY_GBIT_FEATURES,
+		.flags = PHY_HAS_INTERRUPT,
+		.config_aneg = &m88e1121_config_aneg,
+		.read_status = &marvell_read_status,
+		.ack_interrupt = &marvell_ack_interrupt,
+		.config_intr = &marvell_config_intr,
+		.did_interrupt = &m88e1121_did_interrupt,
+		.resume = &genphy_resume,
+		.suspend = &genphy_suspend,
+		.driver = { .owner = THIS_MODULE },
+	},
+	{
+		.phy_id = MARVELL_PHY_ID_88E1318S,
+		.phy_id_mask = MARVELL_PHY_ID_MASK,
+		.name = "Marvell 88E1318S",
+		.features = PHY_GBIT_FEATURES,
+		.flags = PHY_HAS_INTERRUPT,
+		.config_aneg = &m88e1318_config_aneg,
+		.read_status = &marvell_read_status,
+		.ack_interrupt = &marvell_ack_interrupt,
+		.config_intr = &marvell_config_intr,
+		.did_interrupt = &m88e1121_did_interrupt,
+		.get_wol = &m88e1318_get_wol,
+		.set_wol = &m88e1318_set_wol,
+		.resume = &genphy_resume,
+		.suspend = &genphy_suspend,
+		.driver = { .owner = THIS_MODULE },
+	},
+	{
+		.phy_id = MARVELL_PHY_ID_88E1145,
+		.phy_id_mask = MARVELL_PHY_ID_MASK,
+		.name = "Marvell 88E1145",
+		.features = PHY_GBIT_FEATURES,
+		.flags = PHY_HAS_INTERRUPT,
+		.config_init = &m88e1145_config_init,
+		.config_aneg = &marvell_config_aneg,
+		.read_status = &genphy_read_status,
+		.ack_interrupt = &marvell_ack_interrupt,
+		.config_intr = &marvell_config_intr,
+		.resume = &genphy_resume,
+		.suspend = &genphy_suspend,
+		.driver = { .owner = THIS_MODULE },
+	},
+	{
+		.phy_id = MARVELL_PHY_ID_88E1149R,
+		.phy_id_mask = MARVELL_PHY_ID_MASK,
+		.name = "Marvell 88E1149R",
+		.features = PHY_GBIT_FEATURES,
+		.flags = PHY_HAS_INTERRUPT,
+		.config_init = &m88e1149_config_init,
+		.config_aneg = &m88e1118_config_aneg,
+		.read_status = &genphy_read_status,
+		.ack_interrupt = &marvell_ack_interrupt,
+		.config_intr = &marvell_config_intr,
+		.resume = &genphy_resume,
+		.suspend = &genphy_suspend,
+		.driver = { .owner = THIS_MODULE },
+	},
+	{
+		.phy_id = MARVELL_PHY_ID_88E1240,
+		.phy_id_mask = MARVELL_PHY_ID_MASK,
+		.name = "Marvell 88E1240",
+		.features = PHY_GBIT_FEATURES,
+		.flags = PHY_HAS_INTERRUPT,
+		.config_init = &m88e1111_config_init,
+		.config_aneg = &marvell_config_aneg,
+		.read_status = &genphy_read_status,
+		.ack_interrupt = &marvell_ack_interrupt,
+		.config_intr = &marvell_config_intr,
+		.resume = &genphy_resume,
+		.suspend = &genphy_suspend,
+		.driver = { .owner = THIS_MODULE },
+	},
+	{
+		.phy_id = MARVELL_PHY_ID_88E1116R,
+		.phy_id_mask = MARVELL_PHY_ID_MASK,
+		.name = "Marvell 88E1116R",
+		.features = PHY_GBIT_FEATURES,
+		.flags = PHY_HAS_INTERRUPT,
+		.config_init = &m88e1116r_config_init,
+		.config_aneg = &genphy_config_aneg,
+		.read_status = &genphy_read_status,
+		.ack_interrupt = &marvell_ack_interrupt,
+		.config_intr = &marvell_config_intr,
+		.resume = &genphy_resume,
+		.suspend = &genphy_suspend,
+		.driver = { .owner = THIS_MODULE },
+	},
+	{
+		.phy_id = MARVELL_PHY_ID_88E1510,
+		.phy_id_mask = MARVELL_PHY_ID_MASK,
+		.name = "Marvell 88E1510",
+		.features = PHY_GBIT_FEATURES,
+		.flags = PHY_HAS_INTERRUPT,
+		.config_aneg = &m88e1510_config_aneg,
+		.read_status = &marvell_read_status,
+		.ack_interrupt = &marvell_ack_interrupt,
+		.config_intr = &marvell_config_intr,
+		.did_interrupt = &m88e1121_did_interrupt,
+		.resume = &genphy_resume,
+		.suspend = &genphy_suspend,
+		.driver = { .owner = THIS_MODULE },
+	},
+	{
+		.phy_id = MARVELL_PHY_ID_88E3016,
+		.phy_id_mask = MARVELL_PHY_ID_MASK,
+		.name = "Marvell 88E3016",
+		.features = PHY_BASIC_FEATURES,
+		.flags = PHY_HAS_INTERRUPT,
+		.config_aneg = &genphy_config_aneg,
+		.config_init = &m88e3016_config_init,
+		.aneg_done = &marvell_aneg_done,
+		.read_status = &marvell_read_status,
+		.ack_interrupt = &marvell_ack_interrupt,
+		.config_intr = &marvell_config_intr,
+		.did_interrupt = &m88e1121_did_interrupt,
+		.resume = &genphy_resume,
+		.suspend = &genphy_suspend,
+		.driver = { .owner = THIS_MODULE },
+	},
+};
+
+module_phy_driver(marvell_drivers);
+
+static struct mdio_device_id __maybe_unused marvell_tbl[] = {
+	{ MARVELL_PHY_ID_88E1101, MARVELL_PHY_ID_MASK },
+	{ MARVELL_PHY_ID_88E1112, MARVELL_PHY_ID_MASK },
+	{ MARVELL_PHY_ID_88E1111, MARVELL_PHY_ID_MASK },
+	{ MARVELL_PHY_ID_88E1118, MARVELL_PHY_ID_MASK },
+	{ MARVELL_PHY_ID_88E1121R, MARVELL_PHY_ID_MASK },
+	{ MARVELL_PHY_ID_88E1145, MARVELL_PHY_ID_MASK },
+	{ MARVELL_PHY_ID_88E1149R, MARVELL_PHY_ID_MASK },
+	{ MARVELL_PHY_ID_88E1240, MARVELL_PHY_ID_MASK },
+	{ MARVELL_PHY_ID_88E1318S, MARVELL_PHY_ID_MASK },
+	{ MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK },
+	{ MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK },
+	{ MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK },
+	{ }
+};
+
+MODULE_DEVICE_TABLE(mdio, marvell_tbl);