marvell.c 58.3 KB
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// SPDX-License-Identifier: GPL-2.0+
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/*
 * drivers/net/phy/marvell.c
 *
 * Driver for Marvell PHYs
 *
 * Author: Andy Fleming
 *
 * Copyright (c) 2004 Freescale Semiconductor, Inc.
 *
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 * Copyright (c) 2013 Michael Stapelberg <michael@stapelberg.de>
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 */
#include <linux/kernel.h>
#include <linux/string.h>
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#include <linux/ctype.h>
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#include <linux/errno.h>
#include <linux/unistd.h>
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#include <linux/hwmon.h>
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#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>
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#include <linux/marvell_phy.h>
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#include <linux/bitfield.h>
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#include <linux/of.h>
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#include <linux/io.h>
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#include <asm/irq.h>
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#include <linux/uaccess.h>
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#define MII_MARVELL_PHY_PAGE		22
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#define MII_MARVELL_COPPER_PAGE		0x00
#define MII_MARVELL_FIBER_PAGE		0x01
#define MII_MARVELL_MSCR_PAGE		0x02
#define MII_MARVELL_LED_PAGE		0x03
#define MII_MARVELL_MISC_TEST_PAGE	0x06
#define MII_MARVELL_WOL_PAGE		0x11
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#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

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#define MII_M1011_PHY_SCR			0x10
#define MII_M1011_PHY_SCR_DOWNSHIFT_EN		BIT(11)
#define MII_M1011_PHY_SCR_DOWNSHIFT_SHIFT	12
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#define MII_M1011_PHY_SRC_DOWNSHIFT_MASK	0x7800
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#define MII_M1011_PHY_SCR_MDI			(0x0 << 5)
#define MII_M1011_PHY_SCR_MDI_X			(0x1 << 5)
#define MII_M1011_PHY_SCR_AUTO_CROSS		(0x3 << 5)
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#define MII_M1111_PHY_LED_CONTROL	0x18
#define MII_M1111_PHY_LED_DIRECT	0x4100
#define MII_M1111_PHY_LED_COMBINE	0x411c
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#define MII_M1111_PHY_EXT_CR		0x14
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#define MII_M1111_RGMII_RX_DELAY	BIT(7)
#define MII_M1111_RGMII_TX_DELAY	BIT(1)
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#define MII_M1111_PHY_EXT_SR		0x1b
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#define MII_M1111_HWCFG_MODE_MASK		0xf
#define MII_M1111_HWCFG_MODE_FIBER_RGMII	0x3
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#define MII_M1111_HWCFG_MODE_SGMII_NO_CLK	0x4
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#define MII_M1111_HWCFG_MODE_RTBI		0x7
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#define MII_M1111_HWCFG_MODE_COPPER_RTBI	0x9
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#define MII_M1111_HWCFG_MODE_COPPER_RGMII	0xb
#define MII_M1111_HWCFG_FIBER_COPPER_RES	BIT(13)
#define MII_M1111_HWCFG_FIBER_COPPER_AUTO	BIT(15)
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#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)
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#define MII_88E1121_PHY_MSCR_DELAY_MASK	(BIT(5) | BIT(4))
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#define MII_88E1121_MISC_TEST				0x1a
#define MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK	0x1f00
#define MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT	8
#define MII_88E1510_MISC_TEST_TEMP_IRQ_EN		BIT(7)
#define MII_88E1510_MISC_TEST_TEMP_IRQ			BIT(6)
#define MII_88E1121_MISC_TEST_TEMP_SENSOR_EN		BIT(5)
#define MII_88E1121_MISC_TEST_TEMP_MASK			0x1f

#define MII_88E1510_TEMP_SENSOR		0x1b
#define MII_88E1510_TEMP_SENSOR_MASK	0xff

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#define MII_88E1540_COPPER_CTRL3	0x1a
#define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK	GENMASK(11, 10)
#define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_00MS	0
#define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_10MS	1
#define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_20MS	2
#define MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_40MS	3
#define MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN		BIT(9)

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#define MII_88E6390_MISC_TEST		0x1b
#define MII_88E6390_MISC_TEST_SAMPLE_1S		0
#define MII_88E6390_MISC_TEST_SAMPLE_10MS	BIT(14)
#define MII_88E6390_MISC_TEST_SAMPLE_DISABLE	BIT(15)
#define MII_88E6390_MISC_TEST_SAMPLE_ENABLE	0
#define MII_88E6390_MISC_TEST_SAMPLE_MASK	(0x3 << 14)

#define MII_88E6390_TEMP_SENSOR		0x1c
#define MII_88E6390_TEMP_SENSOR_MASK	0xff
#define MII_88E6390_TEMP_SENSOR_SAMPLES 10

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#define MII_88E1318S_PHY_MSCR1_REG	16
#define MII_88E1318S_PHY_MSCR1_PAD_ODD	BIT(6)
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/* Copper Specific Interrupt Enable Register */
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#define MII_88E1318S_PHY_CSIER				0x12
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/* WOL Event Interrupt Enable */
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#define MII_88E1318S_PHY_CSIER_WOL_EIE			BIT(7)
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/* LED Timer Control Register */
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#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)
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/* Magic Packet MAC address registers */
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#define MII_88E1318S_PHY_MAGIC_PACKET_WORD2		0x17
#define MII_88E1318S_PHY_MAGIC_PACKET_WORD1		0x18
#define MII_88E1318S_PHY_MAGIC_PACKET_WORD0		0x19
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#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)
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#define MII_PHY_LED_CTRL	        16
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#define MII_88E1121_PHY_LED_DEF		0x0030
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#define MII_88E1510_PHY_LED_DEF		0x1177
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#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

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#define MII_88E3016_PHY_SPEC_CTRL	0x10
#define MII_88E3016_DISABLE_SCRAMBLER	0x0200
#define MII_88E3016_AUTO_MDIX_CROSSOVER	0x0030
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#define MII_88E1510_GEN_CTRL_REG_1		0x14
#define MII_88E1510_GEN_CTRL_REG_1_MODE_MASK	0x7
#define MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII	0x1	/* SGMII to copper */
#define MII_88E1510_GEN_CTRL_REG_1_RESET	0x8000	/* Soft reset */

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#define LPA_FIBER_1000HALF	0x40
#define LPA_FIBER_1000FULL	0x20

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#define LPA_PAUSE_FIBER		0x180
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#define LPA_PAUSE_ASYM_FIBER	0x100

#define ADVERTISE_FIBER_1000HALF	0x40
#define ADVERTISE_FIBER_1000FULL	0x20

#define ADVERTISE_PAUSE_FIBER		0x180
#define ADVERTISE_PAUSE_ASYM_FIBER	0x100

#define REGISTER_LINK_STATUS	0x400
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#define NB_FIBER_STATS	1
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MODULE_DESCRIPTION("Marvell PHY driver");
MODULE_AUTHOR("Andy Fleming");
MODULE_LICENSE("GPL");

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struct marvell_hw_stat {
	const char *string;
	u8 page;
	u8 reg;
	u8 bits;
};

static struct marvell_hw_stat marvell_hw_stats[] = {
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	{ "phy_receive_errors_copper", 0, 21, 16},
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	{ "phy_idle_errors", 0, 10, 8 },
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	{ "phy_receive_errors_fiber", 1, 21, 16},
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};

struct marvell_priv {
	u64 stats[ARRAY_SIZE(marvell_hw_stats)];
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	char *hwmon_name;
	struct device *hwmon_dev;
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};

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static int marvell_read_page(struct phy_device *phydev)
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{
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	return __phy_read(phydev, MII_MARVELL_PHY_PAGE);
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}

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static int marvell_write_page(struct phy_device *phydev, int page)
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{
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	return __phy_write(phydev, MII_MARVELL_PHY_PAGE, page);
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}

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static int marvell_set_page(struct phy_device *phydev, int page)
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{
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	return phy_write(phydev, MII_MARVELL_PHY_PAGE, page);
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}

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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;

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	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
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		err = phy_write(phydev, MII_M1011_IMASK,
				MII_M1011_IMASK_INIT);
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	else
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		err = phy_write(phydev, MII_M1011_IMASK,
				MII_M1011_IMASK_CLEAR);
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	return err;
}

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static int marvell_set_polarity(struct phy_device *phydev, int polarity)
{
	int reg;
	int err;
	int val;

	/* get the current settings */
	reg = phy_read(phydev, MII_M1011_PHY_SCR);
	if (reg < 0)
		return reg;

	val = reg;
	val &= ~MII_M1011_PHY_SCR_AUTO_CROSS;
	switch (polarity) {
	case ETH_TP_MDI:
		val |= MII_M1011_PHY_SCR_MDI;
		break;
	case ETH_TP_MDI_X:
		val |= MII_M1011_PHY_SCR_MDI_X;
		break;
	case ETH_TP_MDI_AUTO:
	case ETH_TP_MDI_INVALID:
	default:
		val |= MII_M1011_PHY_SCR_AUTO_CROSS;
		break;
	}

	if (val != reg) {
		/* Set the new polarity value in the register */
		err = phy_write(phydev, MII_M1011_PHY_SCR, val);
		if (err)
			return err;
	}

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	return val != reg;
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}

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static int marvell_set_downshift(struct phy_device *phydev, bool enable,
				 u8 retries)
{
	int reg;

	reg = phy_read(phydev, MII_M1011_PHY_SCR);
	if (reg < 0)
		return reg;

	reg &= MII_M1011_PHY_SRC_DOWNSHIFT_MASK;
	reg |= ((retries - 1) << MII_M1011_PHY_SCR_DOWNSHIFT_SHIFT);
	if (enable)
		reg |= MII_M1011_PHY_SCR_DOWNSHIFT_EN;

	return phy_write(phydev, MII_M1011_PHY_SCR, reg);
}

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static int marvell_config_aneg(struct phy_device *phydev)
{
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	int changed = 0;
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	int err;

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	err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
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	if (err < 0)
		return err;

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	changed = err;

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	err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
			MII_M1111_PHY_LED_DIRECT);
	if (err < 0)
		return err;
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	err = genphy_config_aneg(phydev);
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	if (err < 0)
		return err;
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	if (phydev->autoneg != AUTONEG_ENABLE || changed) {
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		/* A write to speed/duplex bits (that is performed by
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		 * genphy_config_aneg() call above) must be followed by
		 * a software reset. Otherwise, the write has no effect.
		 */
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		err = genphy_soft_reset(phydev);
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		if (err < 0)
			return err;
	}

	return 0;
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}

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static int m88e1101_config_aneg(struct phy_device *phydev)
{
	int err;

	/* This Marvell PHY has an errata which requires
	 * that certain registers get written in order
	 * to restart autonegotiation
	 */
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	err = genphy_soft_reset(phydev);
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	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;

	return marvell_config_aneg(phydev);
}

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#ifdef CONFIG_OF_MDIO
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/* Set and/or override some configuration registers based on the
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 * 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;
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	int len, i, saved_page, current_page, ret = 0;
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	if (!phydev->mdio.dev.of_node)
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		return 0;

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	paddr = of_get_property(phydev->mdio.dev.of_node,
				"marvell,reg-init", &len);
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	if (!paddr || len < (4 * sizeof(*paddr)))
		return 0;

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	saved_page = phy_save_page(phydev);
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	if (saved_page < 0)
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		goto err;
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	current_page = saved_page;

	len /= sizeof(*paddr);
	for (i = 0; i < len - 3; i += 4) {
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		u16 page = be32_to_cpup(paddr + i);
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		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;

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		if (page != current_page) {
			current_page = page;
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			ret = marvell_write_page(phydev, page);
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			if (ret < 0)
				goto err;
		}

		val = 0;
		if (mask) {
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			val = __phy_read(phydev, reg);
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			if (val < 0) {
				ret = val;
				goto err;
			}
			val &= mask;
		}
		val |= val_bits;

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		ret = __phy_write(phydev, reg, val);
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		if (ret < 0)
			goto err;
	}
err:
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	return phy_restore_page(phydev, saved_page, ret);
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}
#else
static int marvell_of_reg_init(struct phy_device *phydev)
{
	return 0;
}
#endif /* CONFIG_OF_MDIO */

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static int m88e1121_config_aneg_rgmii_delays(struct phy_device *phydev)
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{
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	int mscr;
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	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
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		mscr = MII_88E1121_PHY_MSCR_RX_DELAY |
		       MII_88E1121_PHY_MSCR_TX_DELAY;
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	else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
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		mscr = MII_88E1121_PHY_MSCR_RX_DELAY;
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	else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
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		mscr = MII_88E1121_PHY_MSCR_TX_DELAY;
	else
		mscr = 0;
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	return phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE,
				MII_88E1121_PHY_MSCR_REG,
				MII_88E1121_PHY_MSCR_DELAY_MASK, mscr);
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}

static int m88e1121_config_aneg(struct phy_device *phydev)
{
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	int changed = 0;
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	int err = 0;

	if (phy_interface_is_rgmii(phydev)) {
		err = m88e1121_config_aneg_rgmii_delays(phydev);
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		if (err < 0)
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			return err;
	}

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	err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
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	if (err < 0)
		return err;

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	changed = err;

	err = genphy_config_aneg(phydev);
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	if (err < 0)
		return err;

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	if (phydev->autoneg != AUTONEG_ENABLE || changed) {
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		/* A software reset is used to ensure a "commit" of the
		 * changes is done.
		 */
		err = genphy_soft_reset(phydev);
		if (err < 0)
			return err;
	}

	return 0;
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}

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static int m88e1318_config_aneg(struct phy_device *phydev)
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{
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	int err;
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	err = phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE,
			       MII_88E1318S_PHY_MSCR1_REG,
			       0, MII_88E1318S_PHY_MSCR1_PAD_ODD);
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	if (err < 0)
		return err;

	return m88e1121_config_aneg(phydev);
}

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/**
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 * linkmode_adv_to_fiber_adv_t
 * @advertise: the linkmode advertisement settings
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 *
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 * A small helper function that translates linkmode advertisement
 * settings to phy autonegotiation advertisements for the MII_ADV
 * register for fiber link.
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 */
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static inline u32 linkmode_adv_to_fiber_adv_t(unsigned long *advertise)
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{
	u32 result = 0;

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	if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, advertise))
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		result |= ADVERTISE_FIBER_1000HALF;
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	if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, advertise))
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		result |= ADVERTISE_FIBER_1000FULL;

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	if (linkmode_test_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, advertise) &&
	    linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertise))
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		result |= LPA_PAUSE_ASYM_FIBER;
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	else if (linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, advertise))
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		result |= (ADVERTISE_PAUSE_FIBER
			   & (~ADVERTISE_PAUSE_ASYM_FIBER));

	return result;
}

/**
 * marvell_config_aneg_fiber - restart auto-negotiation or write BMCR
 * @phydev: target phy_device struct
 *
 * Description: If auto-negotiation is enabled, we configure the
 *   advertising, and then restart auto-negotiation.  If it is not
 *   enabled, then we write the BMCR. Adapted for fiber link in
 *   some Marvell's devices.
 */
static int marvell_config_aneg_fiber(struct phy_device *phydev)
{
	int changed = 0;
	int err;
	int adv, oldadv;

	if (phydev->autoneg != AUTONEG_ENABLE)
		return genphy_setup_forced(phydev);

	/* Only allow advertising what this PHY supports */
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	linkmode_and(phydev->advertising, phydev->advertising,
		     phydev->supported);
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	/* Setup fiber advertisement */
	adv = phy_read(phydev, MII_ADVERTISE);
	if (adv < 0)
		return adv;

	oldadv = adv;
	adv &= ~(ADVERTISE_FIBER_1000HALF | ADVERTISE_FIBER_1000FULL
		| LPA_PAUSE_FIBER);
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	adv |= linkmode_adv_to_fiber_adv_t(phydev->advertising);
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	if (adv != oldadv) {
		err = phy_write(phydev, MII_ADVERTISE, adv);
		if (err < 0)
			return err;

		changed = 1;
	}

	if (changed == 0) {
		/* Advertisement hasn't changed, but maybe aneg was never on to
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		 * begin with?	Or maybe phy was isolated?
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		 */
		int ctl = phy_read(phydev, MII_BMCR);

		if (ctl < 0)
			return ctl;

		if (!(ctl & BMCR_ANENABLE) || (ctl & BMCR_ISOLATE))
			changed = 1; /* do restart aneg */
	}

	/* Only restart aneg if we are advertising something different
	 * than we were before.
	 */
	if (changed > 0)
		changed = genphy_restart_aneg(phydev);

	return changed;
}

M
Michal Simek 已提交
586 587 588 589
static int m88e1510_config_aneg(struct phy_device *phydev)
{
	int err;

590
	err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
591 592 593 594
	if (err < 0)
		goto error;

	/* Configure the copper link first */
M
Michal Simek 已提交
595 596
	err = m88e1318_config_aneg(phydev);
	if (err < 0)
597
		goto error;
M
Michal Simek 已提交
598

599 600 601 602
	/* Do not touch the fiber page if we're in copper->sgmii mode */
	if (phydev->interface == PHY_INTERFACE_MODE_SGMII)
		return 0;

603
	/* Then the fiber link */
604
	err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
605 606 607 608 609 610 611
	if (err < 0)
		goto error;

	err = marvell_config_aneg_fiber(phydev);
	if (err < 0)
		goto error;

612
	return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
613 614

error:
615
	marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
616
	return err;
617 618
}

619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644
static void marvell_config_led(struct phy_device *phydev)
{
	u16 def_config;
	int err;

	switch (MARVELL_PHY_FAMILY_ID(phydev->phy_id)) {
	/* Default PHY LED config: LED[0] .. Link, LED[1] .. Activity */
	case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1121R):
	case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1318S):
		def_config = MII_88E1121_PHY_LED_DEF;
		break;
	/* Default PHY LED config:
	 * LED[0] .. 1000Mbps Link
	 * LED[1] .. 100Mbps Link
	 * LED[2] .. Blink, Activity
	 */
	case MARVELL_PHY_FAMILY_ID(MARVELL_PHY_ID_88E1510):
		def_config = MII_88E1510_PHY_LED_DEF;
		break;
	default:
		return;
	}

	err = phy_write_paged(phydev, MII_MARVELL_LED_PAGE, MII_PHY_LED_CTRL,
			      def_config);
	if (err < 0)
A
Andrew Lunn 已提交
645
		phydev_warn(phydev, "Fail to config marvell phy LED.\n");
646 647
}

648 649
static int marvell_config_init(struct phy_device *phydev)
{
650 651 652
	/* Set defalut LED */
	marvell_config_led(phydev);

653
	/* Set registers from marvell,reg-init DT property */
M
Michal Simek 已提交
654 655 656
	return marvell_of_reg_init(phydev);
}

M
Michal Simek 已提交
657 658 659 660
static int m88e1116r_config_init(struct phy_device *phydev)
{
	int err;

661
	err = genphy_soft_reset(phydev);
M
Michal Simek 已提交
662 663 664
	if (err < 0)
		return err;

665
	msleep(500);
M
Michal Simek 已提交
666

667
	err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
M
Michal Simek 已提交
668 669 670
	if (err < 0)
		return err;

671 672 673 674
	err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
	if (err < 0)
		return err;

675
	err = marvell_set_downshift(phydev, true, 8);
M
Michal Simek 已提交
676 677 678
	if (err < 0)
		return err;

679 680 681 682 683
	if (phy_interface_is_rgmii(phydev)) {
		err = m88e1121_config_aneg_rgmii_delays(phydev);
		if (err < 0)
			return err;
	}
M
Michal Simek 已提交
684

685
	err = genphy_soft_reset(phydev);
M
Michal Simek 已提交
686 687 688
	if (err < 0)
		return err;

689
	return marvell_config_init(phydev);
M
Michal Simek 已提交
690 691
}

692 693
static int m88e3016_config_init(struct phy_device *phydev)
{
694
	int ret;
695 696

	/* Enable Scrambler and Auto-Crossover */
697
	ret = phy_modify(phydev, MII_88E3016_PHY_SPEC_CTRL,
698
			 MII_88E3016_DISABLE_SCRAMBLER,
699 700 701
			 MII_88E3016_AUTO_MDIX_CROSSOVER);
	if (ret < 0)
		return ret;
702

703
	return marvell_config_init(phydev);
704 705
}

706 707 708 709 710
static int m88e1111_config_init_hwcfg_mode(struct phy_device *phydev,
					   u16 mode,
					   int fibre_copper_auto)
{
	if (fibre_copper_auto)
711
		mode |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
712

713
	return phy_modify(phydev, MII_M1111_PHY_EXT_SR,
714 715 716
			  MII_M1111_HWCFG_MODE_MASK |
			  MII_M1111_HWCFG_FIBER_COPPER_AUTO |
			  MII_M1111_HWCFG_FIBER_COPPER_RES,
717
			  mode);
718 719
}

720
static int m88e1111_config_init_rgmii_delays(struct phy_device *phydev)
721
{
722
	int delay;
723

724
	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
725
		delay = MII_M1111_RGMII_RX_DELAY | MII_M1111_RGMII_TX_DELAY;
726
	} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
727
		delay = MII_M1111_RGMII_RX_DELAY;
728
	} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
729 730 731
		delay = MII_M1111_RGMII_TX_DELAY;
	} else {
		delay = 0;
732
	}
733

734
	return phy_modify(phydev, MII_M1111_PHY_EXT_CR,
735
			  MII_M1111_RGMII_RX_DELAY | MII_M1111_RGMII_TX_DELAY,
736
			  delay);
737 738 739 740 741 742 743 744
}

static int m88e1111_config_init_rgmii(struct phy_device *phydev)
{
	int temp;
	int err;

	err = m88e1111_config_init_rgmii_delays(phydev);
745 746
	if (err < 0)
		return err;
747

748 749 750
	temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
	if (temp < 0)
		return temp;
751

752
	temp &= ~(MII_M1111_HWCFG_MODE_MASK);
753

754 755 756 757
	if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES)
		temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
	else
		temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
758

759 760
	return phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
}
761

762 763 764
static int m88e1111_config_init_sgmii(struct phy_device *phydev)
{
	int err;
765

766 767 768 769
	err = m88e1111_config_init_hwcfg_mode(
		phydev,
		MII_M1111_HWCFG_MODE_SGMII_NO_CLK,
		MII_M1111_HWCFG_FIBER_COPPER_AUTO);
770 771
	if (err < 0)
		return err;
772

773
	/* make sure copper is selected */
774
	return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
775
}
L
Liu Yu-B13201 已提交
776

777 778
static int m88e1111_config_init_rtbi(struct phy_device *phydev)
{
779
	int err;
780

781
	err = m88e1111_config_init_rgmii_delays(phydev);
782
	if (err < 0)
783 784
		return err;

785 786 787 788
	err = m88e1111_config_init_hwcfg_mode(
		phydev,
		MII_M1111_HWCFG_MODE_RTBI,
		MII_M1111_HWCFG_FIBER_COPPER_AUTO);
789 790 791 792
	if (err < 0)
		return err;

	/* soft reset */
793
	err = genphy_soft_reset(phydev);
794 795 796
	if (err < 0)
		return err;

797 798 799 800
	return m88e1111_config_init_hwcfg_mode(
		phydev,
		MII_M1111_HWCFG_MODE_RTBI,
		MII_M1111_HWCFG_FIBER_COPPER_AUTO);
801 802 803 804 805 806 807 808
}

static int m88e1111_config_init(struct phy_device *phydev)
{
	int err;

	if (phy_interface_is_rgmii(phydev)) {
		err = m88e1111_config_init_rgmii(phydev);
809
		if (err < 0)
L
Liu Yu-B13201 已提交
810
			return err;
811
	}
L
Liu Yu-B13201 已提交
812

813 814
	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
		err = m88e1111_config_init_sgmii(phydev);
L
Liu Yu-B13201 已提交
815 816
		if (err < 0)
			return err;
817
	}
L
Liu Yu-B13201 已提交
818

819 820
	if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
		err = m88e1111_config_init_rtbi(phydev);
L
Liu Yu-B13201 已提交
821 822 823 824
		if (err < 0)
			return err;
	}

825 826 827
	err = marvell_of_reg_init(phydev);
	if (err < 0)
		return err;
L
Liu Yu-B13201 已提交
828

829
	return genphy_soft_reset(phydev);
830 831
}

832 833 834 835 836 837 838 839 840 841 842 843 844
static int m88e1318_config_init(struct phy_device *phydev)
{
	if (phy_interrupt_is_valid(phydev)) {
		int err = phy_modify_paged(
			phydev, MII_MARVELL_LED_PAGE,
			MII_88E1318S_PHY_LED_TCR,
			MII_88E1318S_PHY_LED_TCR_FORCE_INT,
			MII_88E1318S_PHY_LED_TCR_INTn_ENABLE |
			MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW);
		if (err < 0)
			return err;
	}

845
	return marvell_config_init(phydev);
846 847
}

848 849 850 851 852 853 854
static int m88e1510_config_init(struct phy_device *phydev)
{
	int err;

	/* SGMII-to-Copper mode initialization */
	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
		/* Select page 18 */
855
		err = marvell_set_page(phydev, 18);
856 857 858 859
		if (err < 0)
			return err;

		/* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
860
		err = phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1,
861
				 MII_88E1510_GEN_CTRL_REG_1_MODE_MASK,
862
				 MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII);
863 864 865 866
		if (err < 0)
			return err;

		/* PHY reset is necessary after changing MODE[2:0] */
867 868
		err = phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1, 0,
				 MII_88E1510_GEN_CTRL_REG_1_RESET);
869 870 871 872
		if (err < 0)
			return err;

		/* Reset page selection */
873
		err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
874 875 876 877
		if (err < 0)
			return err;
	}

878
	return m88e1318_config_init(phydev);
879 880
}

881 882 883 884
static int m88e1118_config_aneg(struct phy_device *phydev)
{
	int err;

885
	err = genphy_soft_reset(phydev);
886 887 888
	if (err < 0)
		return err;

889
	err = marvell_set_polarity(phydev, phydev->mdix_ctrl);
890 891 892 893 894 895 896 897 898 899 900 901
	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 */
902
	err = marvell_set_page(phydev, MII_MARVELL_MSCR_PAGE);
903 904 905 906 907 908 909 910 911
	if (err < 0)
		return err;

	/* Enable 1000 Mbit */
	err = phy_write(phydev, 0x15, 0x1070);
	if (err < 0)
		return err;

	/* Change address */
912
	err = marvell_set_page(phydev, MII_MARVELL_LED_PAGE);
913 914 915 916
	if (err < 0)
		return err;

	/* Adjust LED Control */
917 918 919 920
	if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS)
		err = phy_write(phydev, 0x10, 0x1100);
	else
		err = phy_write(phydev, 0x10, 0x021e);
921 922 923
	if (err < 0)
		return err;

924 925 926 927
	err = marvell_of_reg_init(phydev);
	if (err < 0)
		return err;

928
	/* Reset address */
929
	err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
930 931 932
	if (err < 0)
		return err;

933
	return genphy_soft_reset(phydev);
934 935
}

936 937 938 939 940
static int m88e1149_config_init(struct phy_device *phydev)
{
	int err;

	/* Change address */
941
	err = marvell_set_page(phydev, MII_MARVELL_MSCR_PAGE);
942 943 944 945 946 947 948 949
	if (err < 0)
		return err;

	/* Enable 1000 Mbit */
	err = phy_write(phydev, 0x15, 0x1048);
	if (err < 0)
		return err;

950 951 952 953
	err = marvell_of_reg_init(phydev);
	if (err < 0)
		return err;

954
	/* Reset address */
955
	err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
956 957 958
	if (err < 0)
		return err;

959
	return genphy_soft_reset(phydev);
960 961
}

962 963 964 965
static int m88e1145_config_init_rgmii(struct phy_device *phydev)
{
	int err;

966
	err = m88e1111_config_init_rgmii_delays(phydev);
967 968 969 970 971 972 973 974
	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;

975
		err = phy_modify(phydev, 0x1e, 0x0fc0,
976 977
				 2 << 9 | /* 36 ohm */
				 2 << 6); /* 39 ohm */
978 979 980 981 982 983 984 985 986 987 988 989 990 991
		if (err < 0)
			return err;

		err = phy_write(phydev, 0x1d, 0x3);
		if (err < 0)
			return err;

		err = phy_write(phydev, 0x1e, 0x8000);
	}
	return err;
}

static int m88e1145_config_init_sgmii(struct phy_device *phydev)
{
992 993 994
	return m88e1111_config_init_hwcfg_mode(
		phydev, MII_M1111_HWCFG_MODE_SGMII_NO_CLK,
		MII_M1111_HWCFG_FIBER_COPPER_AUTO);
995 996
}

997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017
static int m88e1145_config_init(struct phy_device *phydev)
{
	int err;

	/* 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;

1018
	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
1019
		err = m88e1145_config_init_rgmii(phydev);
1020 1021 1022 1023
		if (err < 0)
			return err;
	}

1024
	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
1025
		err = m88e1145_config_init_sgmii(phydev);
1026 1027 1028 1029
		if (err < 0)
			return err;
	}

1030 1031 1032 1033
	err = marvell_of_reg_init(phydev);
	if (err < 0)
		return err;

1034 1035
	return 0;
}
1036

1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131
static int m88e1540_get_fld(struct phy_device *phydev, u8 *msecs)
{
	int val;

	val = phy_read(phydev, MII_88E1540_COPPER_CTRL3);
	if (val < 0)
		return val;

	if (!(val & MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN)) {
		*msecs = ETHTOOL_PHY_FAST_LINK_DOWN_OFF;
		return 0;
	}

	val = FIELD_GET(MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK, val);

	switch (val) {
	case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_00MS:
		*msecs = 0;
		break;
	case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_10MS:
		*msecs = 10;
		break;
	case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_20MS:
		*msecs = 20;
		break;
	case MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_40MS:
		*msecs = 40;
		break;
	default:
		return -EINVAL;
	}

	return 0;
}

static int m88e1540_set_fld(struct phy_device *phydev, const u8 *msecs)
{
	struct ethtool_eee eee;
	int val, ret;

	if (*msecs == ETHTOOL_PHY_FAST_LINK_DOWN_OFF)
		return phy_clear_bits(phydev, MII_88E1540_COPPER_CTRL3,
				      MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN);

	/* According to the Marvell data sheet EEE must be disabled for
	 * Fast Link Down detection to work properly
	 */
	ret = phy_ethtool_get_eee(phydev, &eee);
	if (!ret && eee.eee_enabled) {
		phydev_warn(phydev, "Fast Link Down detection requires EEE to be disabled!\n");
		return -EBUSY;
	}

	if (*msecs <= 5)
		val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_00MS;
	else if (*msecs <= 15)
		val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_10MS;
	else if (*msecs <= 30)
		val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_20MS;
	else
		val = MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_40MS;

	val = FIELD_PREP(MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK, val);

	ret = phy_modify(phydev, MII_88E1540_COPPER_CTRL3,
			 MII_88E1540_COPPER_CTRL3_LINK_DOWN_DELAY_MASK, val);
	if (ret)
		return ret;

	return phy_set_bits(phydev, MII_88E1540_COPPER_CTRL3,
			    MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN);
}

static int m88e1540_get_tunable(struct phy_device *phydev,
				struct ethtool_tunable *tuna, void *data)
{
	switch (tuna->id) {
	case ETHTOOL_PHY_FAST_LINK_DOWN:
		return m88e1540_get_fld(phydev, data);
	default:
		return -EOPNOTSUPP;
	}
}

static int m88e1540_set_tunable(struct phy_device *phydev,
				struct ethtool_tunable *tuna, const void *data)
{
	switch (tuna->id) {
	case ETHTOOL_PHY_FAST_LINK_DOWN:
		return m88e1540_set_fld(phydev, data);
	default:
		return -EOPNOTSUPP;
	}
}

1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164
/* The VOD can be out of specification on link up. Poke an
 * undocumented register, in an undocumented page, with a magic value
 * to fix this.
 */
static int m88e6390_errata(struct phy_device *phydev)
{
	int err;

	err = phy_write(phydev, MII_BMCR,
			BMCR_ANENABLE | BMCR_SPEED1000 | BMCR_FULLDPLX);
	if (err)
		return err;

	usleep_range(300, 400);

	err = phy_write_paged(phydev, 0xf8, 0x08, 0x36);
	if (err)
		return err;

	return genphy_soft_reset(phydev);
}

static int m88e6390_config_aneg(struct phy_device *phydev)
{
	int err;

	err = m88e6390_errata(phydev);
	if (err)
		return err;

	return m88e1510_config_aneg(phydev);
}

1165
/**
1166
 * fiber_lpa_mod_linkmode_lpa_t
1167
 * @advertising: the linkmode advertisement settings
1168 1169
 * @lpa: value of the MII_LPA register for fiber link
 *
1170 1171 1172
 * A small helper function that translates MII_LPA bits to linkmode LP
 * advertisement settings. Other bits in advertising are left
 * unchanged.
1173
 */
1174
static void fiber_lpa_mod_linkmode_lpa_t(unsigned long *advertising, u32 lpa)
1175
{
1176 1177 1178 1179 1180
	linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
			 advertising, lpa & LPA_FIBER_1000HALF);

	linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
			 advertising, lpa & LPA_FIBER_1000FULL);
1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194
}

/**
 * marvell_update_link - update link status in real time in @phydev
 * @phydev: target phy_device struct
 *
 * Description: Update the value in phydev->link to reflect the
 *   current link value.
 */
static int marvell_update_link(struct phy_device *phydev, int fiber)
{
	int status;

	/* Use the generic register for copper link, or specific
1195 1196
	 * register for fiber case
	 */
1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212
	if (fiber) {
		status = phy_read(phydev, MII_M1011_PHY_STATUS);
		if (status < 0)
			return status;

		if ((status & REGISTER_LINK_STATUS) == 0)
			phydev->link = 0;
		else
			phydev->link = 1;
	} else {
		return genphy_update_link(phydev);
	}

	return 0;
}

1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255
static int marvell_read_status_page_an(struct phy_device *phydev,
				       int fiber)
{
	int status;
	int lpa;
	int lpagb;

	status = phy_read(phydev, MII_M1011_PHY_STATUS);
	if (status < 0)
		return status;

	lpa = phy_read(phydev, MII_LPA);
	if (lpa < 0)
		return lpa;

	lpagb = phy_read(phydev, MII_STAT1000);
	if (lpagb < 0)
		return lpagb;

	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 = 0;
	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 (!fiber) {
1256
		mii_lpa_to_linkmode_lpa_t(phydev->lp_advertising, lpa);
1257
		mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, lpagb);
1258 1259 1260 1261 1262 1263 1264

		if (phydev->duplex == DUPLEX_FULL) {
			phydev->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
			phydev->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
		}
	} else {
		/* The fiber link is only 1000M capable */
1265
		fiber_lpa_mod_linkmode_lpa_t(phydev->lp_advertising, lpa);
1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303

		if (phydev->duplex == DUPLEX_FULL) {
			if (!(lpa & LPA_PAUSE_FIBER)) {
				phydev->pause = 0;
				phydev->asym_pause = 0;
			} else if ((lpa & LPA_PAUSE_ASYM_FIBER)) {
				phydev->pause = 1;
				phydev->asym_pause = 1;
			} else {
				phydev->pause = 1;
				phydev->asym_pause = 0;
			}
		}
	}
	return 0;
}

static int marvell_read_status_page_fixed(struct phy_device *phydev)
{
	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 = 0;
	phydev->asym_pause = 0;
1304
	linkmode_zero(phydev->lp_advertising);
1305 1306 1307 1308

	return 0;
}

1309
/* marvell_read_status_page
1310
 *
1311
 * Description:
1312 1313 1314 1315 1316
 *   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.
 */
1317
static int marvell_read_status_page(struct phy_device *phydev, int page)
1318
{
1319
	int fiber;
1320
	int err;
1321

1322
	/* Detect and update the link, but return if there
1323 1324
	 * was an error
	 */
1325
	if (page == MII_MARVELL_FIBER_PAGE)
1326 1327 1328 1329 1330
		fiber = 1;
	else
		fiber = 0;

	err = marvell_update_link(phydev, fiber);
1331 1332 1333
	if (err)
		return err;

1334 1335 1336 1337
	if (phydev->autoneg == AUTONEG_ENABLE)
		err = marvell_read_status_page_an(phydev, fiber);
	else
		err = marvell_read_status_page_fixed(phydev);
1338

1339
	return err;
1340 1341
}

1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355
/* marvell_read_status
 *
 * Some Marvell's phys have two modes: fiber and copper.
 * Both need status checked.
 * Description:
 *   First, check the fiber link and status.
 *   If the fiber link is down, check the copper link and status which
 *   will be the default value if both link are down.
 */
static int marvell_read_status(struct phy_device *phydev)
{
	int err;

	/* Check the fiber mode first */
1356 1357
	if (linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
			      phydev->supported) &&
1358
	    phydev->interface != PHY_INTERFACE_MODE_SGMII) {
1359
		err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1360 1361 1362
		if (err < 0)
			goto error;

1363
		err = marvell_read_status_page(phydev, MII_MARVELL_FIBER_PAGE);
1364 1365 1366
		if (err < 0)
			goto error;

1367 1368 1369 1370 1371 1372 1373
		/* If the fiber link is up, it is the selected and
		 * used link. In this case, we need to stay in the
		 * fiber page. Please to be careful about that, avoid
		 * to restore Copper page in other functions which
		 * could break the behaviour for some fiber phy like
		 * 88E1512.
		 */
1374 1375 1376 1377
		if (phydev->link)
			return 0;

		/* If fiber link is down, check and save copper mode state */
1378
		err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1379 1380 1381 1382
		if (err < 0)
			goto error;
	}

1383
	return marvell_read_status_page(phydev, MII_MARVELL_COPPER_PAGE);
1384 1385

error:
1386
	marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1387 1388
	return err;
}
1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399

/* marvell_suspend
 *
 * Some Marvell's phys have two modes: fiber and copper.
 * Both need to be suspended
 */
static int marvell_suspend(struct phy_device *phydev)
{
	int err;

	/* Suspend the fiber mode first */
1400 1401
	if (!linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
			       phydev->supported)) {
1402
		err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1403 1404 1405 1406 1407 1408 1409 1410 1411
		if (err < 0)
			goto error;

		/* With the page set, use the generic suspend */
		err = genphy_suspend(phydev);
		if (err < 0)
			goto error;

		/* Then, the copper link */
1412
		err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1413 1414 1415 1416 1417 1418 1419 1420
		if (err < 0)
			goto error;
	}

	/* With the page set, use the generic suspend */
	return genphy_suspend(phydev);

error:
1421
	marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434
	return err;
}

/* marvell_resume
 *
 * Some Marvell's phys have two modes: fiber and copper.
 * Both need to be resumed
 */
static int marvell_resume(struct phy_device *phydev)
{
	int err;

	/* Resume the fiber mode first */
1435 1436
	if (!linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
			       phydev->supported)) {
1437
		err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE);
1438 1439 1440 1441 1442 1443 1444 1445 1446
		if (err < 0)
			goto error;

		/* With the page set, use the generic resume */
		err = genphy_resume(phydev);
		if (err < 0)
			goto error;

		/* Then, the copper link */
1447
		err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1448 1449 1450 1451 1452 1453 1454 1455
		if (err < 0)
			goto error;
	}

	/* With the page set, use the generic resume */
	return genphy_resume(phydev);

error:
1456
	marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
1457 1458 1459
	return err;
}

1460 1461 1462
static int marvell_aneg_done(struct phy_device *phydev)
{
	int retval = phy_read(phydev, MII_M1011_PHY_STATUS);
1463

1464 1465 1466
	return (retval < 0) ? retval : (retval & MII_M1011_PHY_STATUS_RESOLVED);
}

1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478
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;
}

1479 1480
static void m88e1318_get_wol(struct phy_device *phydev,
			     struct ethtool_wolinfo *wol)
1481
{
1482 1483
	int oldpage, ret = 0;

1484 1485 1486
	wol->supported = WAKE_MAGIC;
	wol->wolopts = 0;

1487 1488 1489
	oldpage = phy_select_page(phydev, MII_MARVELL_WOL_PAGE);
	if (oldpage < 0)
		goto error;
1490

1491 1492
	ret = __phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
	if (ret & MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE)
1493 1494
		wol->wolopts |= WAKE_MAGIC;

1495 1496
error:
	phy_restore_page(phydev, oldpage, ret);
1497 1498
}

1499 1500
static int m88e1318_set_wol(struct phy_device *phydev,
			    struct ethtool_wolinfo *wol)
1501
{
1502
	int err = 0, oldpage;
1503

1504 1505 1506
	oldpage = phy_save_page(phydev);
	if (oldpage < 0)
		goto error;
1507 1508 1509

	if (wol->wolopts & WAKE_MAGIC) {
		/* Explicitly switch to page 0x00, just to be sure */
1510
		err = marvell_write_page(phydev, MII_MARVELL_COPPER_PAGE);
1511
		if (err < 0)
1512
			goto error;
1513

1514 1515 1516 1517 1518 1519 1520
		/* If WOL event happened once, the LED[2] interrupt pin
		 * will not be cleared unless we reading the interrupt status
		 * register. If interrupts are in use, the normal interrupt
		 * handling will clear the WOL event. Clear the WOL event
		 * before enabling it if !phy_interrupt_is_valid()
		 */
		if (!phy_interrupt_is_valid(phydev))
1521
			__phy_read(phydev, MII_M1011_IEVENT);
1522

1523
		/* Enable the WOL interrupt */
1524 1525
		err = __phy_modify(phydev, MII_88E1318S_PHY_CSIER, 0,
				   MII_88E1318S_PHY_CSIER_WOL_EIE);
1526
		if (err < 0)
1527
			goto error;
1528

1529
		err = marvell_write_page(phydev, MII_MARVELL_LED_PAGE);
1530
		if (err < 0)
1531
			goto error;
1532 1533

		/* Setup LED[2] as interrupt pin (active low) */
1534
		err = __phy_modify(phydev, MII_88E1318S_PHY_LED_TCR,
1535
				   MII_88E1318S_PHY_LED_TCR_FORCE_INT,
1536 1537
				   MII_88E1318S_PHY_LED_TCR_INTn_ENABLE |
				   MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW);
1538
		if (err < 0)
1539
			goto error;
1540

1541
		err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE);
1542
		if (err < 0)
1543
			goto error;
1544 1545

		/* Store the device address for the magic packet */
1546
		err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD2,
1547 1548 1549
				((phydev->attached_dev->dev_addr[5] << 8) |
				 phydev->attached_dev->dev_addr[4]));
		if (err < 0)
1550 1551
			goto error;
		err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD1,
1552 1553 1554
				((phydev->attached_dev->dev_addr[3] << 8) |
				 phydev->attached_dev->dev_addr[2]));
		if (err < 0)
1555 1556
			goto error;
		err = __phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD0,
1557 1558 1559
				((phydev->attached_dev->dev_addr[1] << 8) |
				 phydev->attached_dev->dev_addr[0]));
		if (err < 0)
1560
			goto error;
1561 1562

		/* Clear WOL status and enable magic packet matching */
1563 1564 1565
		err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL, 0,
				   MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS |
				   MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE);
1566
		if (err < 0)
1567
			goto error;
1568
	} else {
1569
		err = marvell_write_page(phydev, MII_MARVELL_WOL_PAGE);
1570
		if (err < 0)
1571
			goto error;
1572 1573

		/* Clear WOL status and disable magic packet matching */
1574
		err = __phy_modify(phydev, MII_88E1318S_PHY_WOL_CTRL,
1575
				   MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE,
1576
				   MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS);
1577
		if (err < 0)
1578
			goto error;
1579 1580
	}

1581 1582
error:
	return phy_restore_page(phydev, oldpage, err);
1583 1584
}

1585 1586
static int marvell_get_sset_count(struct phy_device *phydev)
{
1587 1588
	if (linkmode_test_bit(ETHTOOL_LINK_MODE_FIBRE_BIT,
			      phydev->supported))
1589 1590 1591
		return ARRAY_SIZE(marvell_hw_stats);
	else
		return ARRAY_SIZE(marvell_hw_stats) - NB_FIBER_STATS;
1592 1593 1594 1595 1596 1597 1598
}

static void marvell_get_strings(struct phy_device *phydev, u8 *data)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++) {
1599 1600
		strlcpy(data + i * ETH_GSTRING_LEN,
			marvell_hw_stats[i].string, ETH_GSTRING_LEN);
1601 1602 1603 1604 1605 1606 1607
	}
}

static u64 marvell_get_stat(struct phy_device *phydev, int i)
{
	struct marvell_hw_stat stat = marvell_hw_stats[i];
	struct marvell_priv *priv = phydev->priv;
1608
	int val;
1609
	u64 ret;
1610

1611
	val = phy_read_paged(phydev, stat.page, stat.reg);
1612
	if (val < 0) {
1613
		ret = U64_MAX;
1614 1615 1616
	} else {
		val = val & ((1 << stat.bits) - 1);
		priv->stats[i] += val;
1617
		ret = priv->stats[i];
1618 1619
	}

1620
	return ret;
1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631
}

static void marvell_get_stats(struct phy_device *phydev,
			      struct ethtool_stats *stats, u64 *data)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++)
		data[i] = marvell_get_stat(phydev, i);
}

1632 1633 1634
#ifdef CONFIG_HWMON
static int m88e1121_get_temp(struct phy_device *phydev, long *temp)
{
1635
	int oldpage;
1636
	int ret = 0;
1637 1638 1639 1640
	int val;

	*temp = 0;

1641 1642 1643
	oldpage = phy_select_page(phydev, MII_MARVELL_MISC_TEST_PAGE);
	if (oldpage < 0)
		goto error;
1644

1645
	/* Enable temperature sensor */
1646
	ret = __phy_read(phydev, MII_88E1121_MISC_TEST);
1647 1648 1649
	if (ret < 0)
		goto error;

1650 1651
	ret = __phy_write(phydev, MII_88E1121_MISC_TEST,
			  ret | MII_88E1121_MISC_TEST_TEMP_SENSOR_EN);
1652 1653 1654 1655 1656 1657
	if (ret < 0)
		goto error;

	/* Wait for temperature to stabilize */
	usleep_range(10000, 12000);

1658
	val = __phy_read(phydev, MII_88E1121_MISC_TEST);
1659 1660 1661 1662 1663 1664
	if (val < 0) {
		ret = val;
		goto error;
	}

	/* Disable temperature sensor */
1665 1666
	ret = __phy_write(phydev, MII_88E1121_MISC_TEST,
			  ret & ~MII_88E1121_MISC_TEST_TEMP_SENSOR_EN);
1667 1668 1669 1670 1671 1672
	if (ret < 0)
		goto error;

	*temp = ((val & MII_88E1121_MISC_TEST_TEMP_MASK) - 5) * 5000;

error:
1673
	return phy_restore_page(phydev, oldpage, ret);
1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750
}

static int m88e1121_hwmon_read(struct device *dev,
			       enum hwmon_sensor_types type,
			       u32 attr, int channel, long *temp)
{
	struct phy_device *phydev = dev_get_drvdata(dev);
	int err;

	switch (attr) {
	case hwmon_temp_input:
		err = m88e1121_get_temp(phydev, temp);
		break;
	default:
		return -EOPNOTSUPP;
	}

	return err;
}

static umode_t m88e1121_hwmon_is_visible(const void *data,
					 enum hwmon_sensor_types type,
					 u32 attr, int channel)
{
	if (type != hwmon_temp)
		return 0;

	switch (attr) {
	case hwmon_temp_input:
		return 0444;
	default:
		return 0;
	}
}

static u32 m88e1121_hwmon_chip_config[] = {
	HWMON_C_REGISTER_TZ,
	0
};

static const struct hwmon_channel_info m88e1121_hwmon_chip = {
	.type = hwmon_chip,
	.config = m88e1121_hwmon_chip_config,
};

static u32 m88e1121_hwmon_temp_config[] = {
	HWMON_T_INPUT,
	0
};

static const struct hwmon_channel_info m88e1121_hwmon_temp = {
	.type = hwmon_temp,
	.config = m88e1121_hwmon_temp_config,
};

static const struct hwmon_channel_info *m88e1121_hwmon_info[] = {
	&m88e1121_hwmon_chip,
	&m88e1121_hwmon_temp,
	NULL
};

static const struct hwmon_ops m88e1121_hwmon_hwmon_ops = {
	.is_visible = m88e1121_hwmon_is_visible,
	.read = m88e1121_hwmon_read,
};

static const struct hwmon_chip_info m88e1121_hwmon_chip_info = {
	.ops = &m88e1121_hwmon_hwmon_ops,
	.info = m88e1121_hwmon_info,
};

static int m88e1510_get_temp(struct phy_device *phydev, long *temp)
{
	int ret;

	*temp = 0;

1751 1752
	ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
			     MII_88E1510_TEMP_SENSOR);
1753
	if (ret < 0)
1754
		return ret;
1755 1756 1757

	*temp = ((ret & MII_88E1510_TEMP_SENSOR_MASK) - 25) * 1000;

1758
	return 0;
1759 1760
}

1761
static int m88e1510_get_temp_critical(struct phy_device *phydev, long *temp)
1762 1763 1764 1765 1766
{
	int ret;

	*temp = 0;

1767 1768
	ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
			     MII_88E1121_MISC_TEST);
1769
	if (ret < 0)
1770
		return ret;
1771 1772 1773 1774 1775 1776

	*temp = (((ret & MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK) >>
		  MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT) * 5) - 25;
	/* convert to mC */
	*temp *= 1000;

1777
	return 0;
1778 1779
}

1780
static int m88e1510_set_temp_critical(struct phy_device *phydev, long temp)
1781 1782 1783 1784
{
	temp = temp / 1000;
	temp = clamp_val(DIV_ROUND_CLOSEST(temp, 5) + 5, 0, 0x1f);

1785 1786 1787 1788
	return phy_modify_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
				MII_88E1121_MISC_TEST,
				MII_88E1510_MISC_TEST_TEMP_THRESHOLD_MASK,
				temp << MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT);
1789 1790
}

1791
static int m88e1510_get_temp_alarm(struct phy_device *phydev, long *alarm)
1792 1793 1794 1795 1796
{
	int ret;

	*alarm = false;

1797 1798
	ret = phy_read_paged(phydev, MII_MARVELL_MISC_TEST_PAGE,
			     MII_88E1121_MISC_TEST);
1799
	if (ret < 0)
1800
		return ret;
1801

1802
	*alarm = !!(ret & MII_88E1510_MISC_TEST_TEMP_IRQ);
1803

1804
	return 0;
1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892
}

static int m88e1510_hwmon_read(struct device *dev,
			       enum hwmon_sensor_types type,
			       u32 attr, int channel, long *temp)
{
	struct phy_device *phydev = dev_get_drvdata(dev);
	int err;

	switch (attr) {
	case hwmon_temp_input:
		err = m88e1510_get_temp(phydev, temp);
		break;
	case hwmon_temp_crit:
		err = m88e1510_get_temp_critical(phydev, temp);
		break;
	case hwmon_temp_max_alarm:
		err = m88e1510_get_temp_alarm(phydev, temp);
		break;
	default:
		return -EOPNOTSUPP;
	}

	return err;
}

static int m88e1510_hwmon_write(struct device *dev,
				enum hwmon_sensor_types type,
				u32 attr, int channel, long temp)
{
	struct phy_device *phydev = dev_get_drvdata(dev);
	int err;

	switch (attr) {
	case hwmon_temp_crit:
		err = m88e1510_set_temp_critical(phydev, temp);
		break;
	default:
		return -EOPNOTSUPP;
	}
	return err;
}

static umode_t m88e1510_hwmon_is_visible(const void *data,
					 enum hwmon_sensor_types type,
					 u32 attr, int channel)
{
	if (type != hwmon_temp)
		return 0;

	switch (attr) {
	case hwmon_temp_input:
	case hwmon_temp_max_alarm:
		return 0444;
	case hwmon_temp_crit:
		return 0644;
	default:
		return 0;
	}
}

static u32 m88e1510_hwmon_temp_config[] = {
	HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_MAX_ALARM,
	0
};

static const struct hwmon_channel_info m88e1510_hwmon_temp = {
	.type = hwmon_temp,
	.config = m88e1510_hwmon_temp_config,
};

static const struct hwmon_channel_info *m88e1510_hwmon_info[] = {
	&m88e1121_hwmon_chip,
	&m88e1510_hwmon_temp,
	NULL
};

static const struct hwmon_ops m88e1510_hwmon_hwmon_ops = {
	.is_visible = m88e1510_hwmon_is_visible,
	.read = m88e1510_hwmon_read,
	.write = m88e1510_hwmon_write,
};

static const struct hwmon_chip_info m88e1510_hwmon_chip_info = {
	.ops = &m88e1510_hwmon_hwmon_ops,
	.info = m88e1510_hwmon_info,
};

1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
static int m88e6390_get_temp(struct phy_device *phydev, long *temp)
{
	int sum = 0;
	int oldpage;
	int ret = 0;
	int i;

	*temp = 0;

	oldpage = phy_select_page(phydev, MII_MARVELL_MISC_TEST_PAGE);
	if (oldpage < 0)
		goto error;

	/* Enable temperature sensor */
	ret = __phy_read(phydev, MII_88E6390_MISC_TEST);
	if (ret < 0)
		goto error;

	ret = ret & ~MII_88E6390_MISC_TEST_SAMPLE_MASK;
	ret |= MII_88E6390_MISC_TEST_SAMPLE_ENABLE |
		MII_88E6390_MISC_TEST_SAMPLE_1S;

	ret = __phy_write(phydev, MII_88E6390_MISC_TEST, ret);
	if (ret < 0)
		goto error;

	/* Wait for temperature to stabilize */
	usleep_range(10000, 12000);

	/* Reading the temperature sense has an errata. You need to read
	 * a number of times and take an average.
	 */
	for (i = 0; i < MII_88E6390_TEMP_SENSOR_SAMPLES; i++) {
		ret = __phy_read(phydev, MII_88E6390_TEMP_SENSOR);
		if (ret < 0)
			goto error;
		sum += ret & MII_88E6390_TEMP_SENSOR_MASK;
	}

	sum /= MII_88E6390_TEMP_SENSOR_SAMPLES;
	*temp = (sum  - 75) * 1000;

	/* Disable temperature sensor */
	ret = __phy_read(phydev, MII_88E6390_MISC_TEST);
	if (ret < 0)
		goto error;

	ret = ret & ~MII_88E6390_MISC_TEST_SAMPLE_MASK;
	ret |= MII_88E6390_MISC_TEST_SAMPLE_DISABLE;

	ret = __phy_write(phydev, MII_88E6390_MISC_TEST, ret);

error:
	phy_restore_page(phydev, oldpage, ret);

	return ret;
}

static int m88e6390_hwmon_read(struct device *dev,
			       enum hwmon_sensor_types type,
			       u32 attr, int channel, long *temp)
{
	struct phy_device *phydev = dev_get_drvdata(dev);
	int err;

	switch (attr) {
	case hwmon_temp_input:
		err = m88e6390_get_temp(phydev, temp);
		break;
	default:
		return -EOPNOTSUPP;
	}

	return err;
}

static umode_t m88e6390_hwmon_is_visible(const void *data,
					 enum hwmon_sensor_types type,
					 u32 attr, int channel)
{
	if (type != hwmon_temp)
		return 0;

	switch (attr) {
	case hwmon_temp_input:
		return 0444;
	default:
		return 0;
	}
}

static u32 m88e6390_hwmon_temp_config[] = {
	HWMON_T_INPUT,
	0
};

static const struct hwmon_channel_info m88e6390_hwmon_temp = {
	.type = hwmon_temp,
	.config = m88e6390_hwmon_temp_config,
};

static const struct hwmon_channel_info *m88e6390_hwmon_info[] = {
	&m88e1121_hwmon_chip,
	&m88e6390_hwmon_temp,
	NULL
};

static const struct hwmon_ops m88e6390_hwmon_hwmon_ops = {
	.is_visible = m88e6390_hwmon_is_visible,
	.read = m88e6390_hwmon_read,
};

static const struct hwmon_chip_info m88e6390_hwmon_chip_info = {
	.ops = &m88e6390_hwmon_hwmon_ops,
	.info = m88e6390_hwmon_info,
};

2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055
static int marvell_hwmon_name(struct phy_device *phydev)
{
	struct marvell_priv *priv = phydev->priv;
	struct device *dev = &phydev->mdio.dev;
	const char *devname = dev_name(dev);
	size_t len = strlen(devname);
	int i, j;

	priv->hwmon_name = devm_kzalloc(dev, len, GFP_KERNEL);
	if (!priv->hwmon_name)
		return -ENOMEM;

	for (i = j = 0; i < len && devname[i]; i++) {
		if (isalnum(devname[i]))
			priv->hwmon_name[j++] = devname[i];
	}

	return 0;
}

static int marvell_hwmon_probe(struct phy_device *phydev,
			       const struct hwmon_chip_info *chip)
{
	struct marvell_priv *priv = phydev->priv;
	struct device *dev = &phydev->mdio.dev;
	int err;

	err = marvell_hwmon_name(phydev);
	if (err)
		return err;

	priv->hwmon_dev = devm_hwmon_device_register_with_info(
		dev, priv->hwmon_name, phydev, chip, NULL);

	return PTR_ERR_OR_ZERO(priv->hwmon_dev);
}

static int m88e1121_hwmon_probe(struct phy_device *phydev)
{
	return marvell_hwmon_probe(phydev, &m88e1121_hwmon_chip_info);
}

static int m88e1510_hwmon_probe(struct phy_device *phydev)
{
	return marvell_hwmon_probe(phydev, &m88e1510_hwmon_chip_info);
}
2056 2057 2058 2059 2060

static int m88e6390_hwmon_probe(struct phy_device *phydev)
{
	return marvell_hwmon_probe(phydev, &m88e6390_hwmon_chip_info);
}
2061 2062 2063 2064 2065 2066 2067 2068 2069 2070
#else
static int m88e1121_hwmon_probe(struct phy_device *phydev)
{
	return 0;
}

static int m88e1510_hwmon_probe(struct phy_device *phydev)
{
	return 0;
}
2071 2072 2073 2074 2075

static int m88e6390_hwmon_probe(struct phy_device *phydev)
{
	return 0;
}
2076 2077
#endif

2078 2079 2080 2081
static int marvell_probe(struct phy_device *phydev)
{
	struct marvell_priv *priv;

A
Andrew Lunn 已提交
2082
	priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
2083 2084 2085 2086 2087 2088 2089 2090
	if (!priv)
		return -ENOMEM;

	phydev->priv = priv;

	return 0;
}

2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112
static int m88e1121_probe(struct phy_device *phydev)
{
	int err;

	err = marvell_probe(phydev);
	if (err)
		return err;

	return m88e1121_hwmon_probe(phydev);
}

static int m88e1510_probe(struct phy_device *phydev)
{
	int err;

	err = marvell_probe(phydev);
	if (err)
		return err;

	return m88e1510_hwmon_probe(phydev);
}

2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123
static int m88e6390_probe(struct phy_device *phydev)
{
	int err;

	err = marvell_probe(phydev);
	if (err)
		return err;

	return m88e6390_hwmon_probe(phydev);
}

O
Olof Johansson 已提交
2124 2125
static struct phy_driver marvell_drivers[] = {
	{
2126 2127
		.phy_id = MARVELL_PHY_ID_88E1101,
		.phy_id_mask = MARVELL_PHY_ID_MASK,
O
Olof Johansson 已提交
2128 2129
		.name = "Marvell 88E1101",
		.features = PHY_GBIT_FEATURES,
2130
		.probe = marvell_probe,
2131
		.config_init = &marvell_config_init,
2132
		.config_aneg = &m88e1101_config_aneg,
O
Olof Johansson 已提交
2133 2134
		.ack_interrupt = &marvell_ack_interrupt,
		.config_intr = &marvell_config_intr,
2135 2136
		.resume = &genphy_resume,
		.suspend = &genphy_suspend,
2137 2138
		.read_page = marvell_read_page,
		.write_page = marvell_write_page,
2139 2140 2141
		.get_sset_count = marvell_get_sset_count,
		.get_strings = marvell_get_strings,
		.get_stats = marvell_get_stats,
O
Olof Johansson 已提交
2142
	},
2143
	{
2144 2145
		.phy_id = MARVELL_PHY_ID_88E1112,
		.phy_id_mask = MARVELL_PHY_ID_MASK,
2146 2147
		.name = "Marvell 88E1112",
		.features = PHY_GBIT_FEATURES,
2148
		.probe = marvell_probe,
2149 2150 2151 2152
		.config_init = &m88e1111_config_init,
		.config_aneg = &marvell_config_aneg,
		.ack_interrupt = &marvell_ack_interrupt,
		.config_intr = &marvell_config_intr,
2153 2154
		.resume = &genphy_resume,
		.suspend = &genphy_suspend,
2155 2156
		.read_page = marvell_read_page,
		.write_page = marvell_write_page,
2157 2158 2159
		.get_sset_count = marvell_get_sset_count,
		.get_strings = marvell_get_strings,
		.get_stats = marvell_get_stats,
2160
	},
O
Olof Johansson 已提交
2161
	{
2162 2163
		.phy_id = MARVELL_PHY_ID_88E1111,
		.phy_id_mask = MARVELL_PHY_ID_MASK,
O
Olof Johansson 已提交
2164 2165
		.name = "Marvell 88E1111",
		.features = PHY_GBIT_FEATURES,
2166
		.probe = marvell_probe,
O
Olof Johansson 已提交
2167
		.config_init = &m88e1111_config_init,
2168
		.config_aneg = &marvell_config_aneg,
2169
		.read_status = &marvell_read_status,
O
Olof Johansson 已提交
2170 2171
		.ack_interrupt = &marvell_ack_interrupt,
		.config_intr = &marvell_config_intr,
2172 2173
		.resume = &genphy_resume,
		.suspend = &genphy_suspend,
2174 2175
		.read_page = marvell_read_page,
		.write_page = marvell_write_page,
2176 2177 2178
		.get_sset_count = marvell_get_sset_count,
		.get_strings = marvell_get_strings,
		.get_stats = marvell_get_stats,
O
Olof Johansson 已提交
2179
	},
2180
	{
2181 2182
		.phy_id = MARVELL_PHY_ID_88E1118,
		.phy_id_mask = MARVELL_PHY_ID_MASK,
2183 2184
		.name = "Marvell 88E1118",
		.features = PHY_GBIT_FEATURES,
2185
		.probe = marvell_probe,
2186 2187 2188 2189
		.config_init = &m88e1118_config_init,
		.config_aneg = &m88e1118_config_aneg,
		.ack_interrupt = &marvell_ack_interrupt,
		.config_intr = &marvell_config_intr,
2190 2191
		.resume = &genphy_resume,
		.suspend = &genphy_suspend,
2192 2193
		.read_page = marvell_read_page,
		.write_page = marvell_write_page,
2194 2195 2196
		.get_sset_count = marvell_get_sset_count,
		.get_strings = marvell_get_strings,
		.get_stats = marvell_get_stats,
2197
	},
2198
	{
2199 2200
		.phy_id = MARVELL_PHY_ID_88E1121R,
		.phy_id_mask = MARVELL_PHY_ID_MASK,
2201 2202
		.name = "Marvell 88E1121R",
		.features = PHY_GBIT_FEATURES,
2203
		.probe = &m88e1121_probe,
2204
		.config_init = &marvell_config_init,
2205 2206 2207 2208
		.config_aneg = &m88e1121_config_aneg,
		.read_status = &marvell_read_status,
		.ack_interrupt = &marvell_ack_interrupt,
		.config_intr = &marvell_config_intr,
2209
		.did_interrupt = &m88e1121_did_interrupt,
2210 2211
		.resume = &genphy_resume,
		.suspend = &genphy_suspend,
2212 2213
		.read_page = marvell_read_page,
		.write_page = marvell_write_page,
2214 2215 2216
		.get_sset_count = marvell_get_sset_count,
		.get_strings = marvell_get_strings,
		.get_stats = marvell_get_stats,
2217
	},
2218
	{
2219
		.phy_id = MARVELL_PHY_ID_88E1318S,
2220
		.phy_id_mask = MARVELL_PHY_ID_MASK,
2221
		.name = "Marvell 88E1318S",
2222
		.features = PHY_GBIT_FEATURES,
2223
		.probe = marvell_probe,
2224
		.config_init = &m88e1318_config_init,
2225
		.config_aneg = &m88e1318_config_aneg,
2226 2227 2228 2229
		.read_status = &marvell_read_status,
		.ack_interrupt = &marvell_ack_interrupt,
		.config_intr = &marvell_config_intr,
		.did_interrupt = &m88e1121_did_interrupt,
2230 2231
		.get_wol = &m88e1318_get_wol,
		.set_wol = &m88e1318_set_wol,
2232 2233
		.resume = &genphy_resume,
		.suspend = &genphy_suspend,
2234 2235
		.read_page = marvell_read_page,
		.write_page = marvell_write_page,
2236 2237 2238
		.get_sset_count = marvell_get_sset_count,
		.get_strings = marvell_get_strings,
		.get_stats = marvell_get_stats,
2239
	},
O
Olof Johansson 已提交
2240
	{
2241 2242
		.phy_id = MARVELL_PHY_ID_88E1145,
		.phy_id_mask = MARVELL_PHY_ID_MASK,
O
Olof Johansson 已提交
2243 2244
		.name = "Marvell 88E1145",
		.features = PHY_GBIT_FEATURES,
2245
		.probe = marvell_probe,
O
Olof Johansson 已提交
2246
		.config_init = &m88e1145_config_init,
2247
		.config_aneg = &m88e1101_config_aneg,
O
Olof Johansson 已提交
2248 2249 2250
		.read_status = &genphy_read_status,
		.ack_interrupt = &marvell_ack_interrupt,
		.config_intr = &marvell_config_intr,
2251 2252
		.resume = &genphy_resume,
		.suspend = &genphy_suspend,
2253 2254
		.read_page = marvell_read_page,
		.write_page = marvell_write_page,
2255 2256 2257
		.get_sset_count = marvell_get_sset_count,
		.get_strings = marvell_get_strings,
		.get_stats = marvell_get_stats,
2258
	},
2259 2260 2261 2262 2263
	{
		.phy_id = MARVELL_PHY_ID_88E1149R,
		.phy_id_mask = MARVELL_PHY_ID_MASK,
		.name = "Marvell 88E1149R",
		.features = PHY_GBIT_FEATURES,
2264
		.probe = marvell_probe,
2265 2266 2267 2268
		.config_init = &m88e1149_config_init,
		.config_aneg = &m88e1118_config_aneg,
		.ack_interrupt = &marvell_ack_interrupt,
		.config_intr = &marvell_config_intr,
2269 2270
		.resume = &genphy_resume,
		.suspend = &genphy_suspend,
2271 2272
		.read_page = marvell_read_page,
		.write_page = marvell_write_page,
2273 2274 2275
		.get_sset_count = marvell_get_sset_count,
		.get_strings = marvell_get_strings,
		.get_stats = marvell_get_stats,
2276
	},
2277
	{
2278 2279
		.phy_id = MARVELL_PHY_ID_88E1240,
		.phy_id_mask = MARVELL_PHY_ID_MASK,
2280 2281
		.name = "Marvell 88E1240",
		.features = PHY_GBIT_FEATURES,
2282
		.probe = marvell_probe,
2283 2284 2285 2286
		.config_init = &m88e1111_config_init,
		.config_aneg = &marvell_config_aneg,
		.ack_interrupt = &marvell_ack_interrupt,
		.config_intr = &marvell_config_intr,
2287 2288
		.resume = &genphy_resume,
		.suspend = &genphy_suspend,
2289 2290
		.read_page = marvell_read_page,
		.write_page = marvell_write_page,
2291 2292 2293
		.get_sset_count = marvell_get_sset_count,
		.get_strings = marvell_get_strings,
		.get_stats = marvell_get_stats,
2294
	},
M
Michal Simek 已提交
2295 2296 2297 2298 2299
	{
		.phy_id = MARVELL_PHY_ID_88E1116R,
		.phy_id_mask = MARVELL_PHY_ID_MASK,
		.name = "Marvell 88E1116R",
		.features = PHY_GBIT_FEATURES,
2300
		.probe = marvell_probe,
M
Michal Simek 已提交
2301 2302 2303
		.config_init = &m88e1116r_config_init,
		.ack_interrupt = &marvell_ack_interrupt,
		.config_intr = &marvell_config_intr,
2304 2305
		.resume = &genphy_resume,
		.suspend = &genphy_suspend,
2306 2307
		.read_page = marvell_read_page,
		.write_page = marvell_write_page,
2308 2309 2310
		.get_sset_count = marvell_get_sset_count,
		.get_strings = marvell_get_strings,
		.get_stats = marvell_get_stats,
M
Michal Simek 已提交
2311
	},
M
Michal Simek 已提交
2312 2313 2314 2315
	{
		.phy_id = MARVELL_PHY_ID_88E1510,
		.phy_id_mask = MARVELL_PHY_ID_MASK,
		.name = "Marvell 88E1510",
2316
		.features = PHY_GBIT_FIBRE_FEATURES,
2317
		.probe = &m88e1510_probe,
2318
		.config_init = &m88e1510_config_init,
M
Michal Simek 已提交
2319 2320 2321 2322 2323
		.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,
2324 2325
		.get_wol = &m88e1318_get_wol,
		.set_wol = &m88e1318_set_wol,
2326 2327
		.resume = &marvell_resume,
		.suspend = &marvell_suspend,
2328 2329
		.read_page = marvell_read_page,
		.write_page = marvell_write_page,
2330 2331 2332
		.get_sset_count = marvell_get_sset_count,
		.get_strings = marvell_get_strings,
		.get_stats = marvell_get_stats,
2333
		.set_loopback = genphy_loopback,
M
Michal Simek 已提交
2334
	},
2335 2336 2337 2338 2339
	{
		.phy_id = MARVELL_PHY_ID_88E1540,
		.phy_id_mask = MARVELL_PHY_ID_MASK,
		.name = "Marvell 88E1540",
		.features = PHY_GBIT_FEATURES,
2340
		.probe = m88e1510_probe,
2341
		.config_init = &marvell_config_init,
2342 2343 2344 2345 2346 2347 2348
		.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,
2349 2350
		.read_page = marvell_read_page,
		.write_page = marvell_write_page,
2351 2352 2353
		.get_sset_count = marvell_get_sset_count,
		.get_strings = marvell_get_strings,
		.get_stats = marvell_get_stats,
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		.get_tunable = m88e1540_get_tunable,
		.set_tunable = m88e1540_set_tunable,
2356
	},
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	{
		.phy_id = MARVELL_PHY_ID_88E1545,
		.phy_id_mask = MARVELL_PHY_ID_MASK,
		.name = "Marvell 88E1545",
		.probe = m88e1510_probe,
		.features = PHY_GBIT_FEATURES,
		.config_init = &marvell_config_init,
		.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,
2371 2372
		.read_page = marvell_read_page,
		.write_page = marvell_write_page,
2373 2374 2375 2376
		.get_sset_count = marvell_get_sset_count,
		.get_strings = marvell_get_strings,
		.get_stats = marvell_get_stats,
	},
2377 2378 2379 2380 2381
	{
		.phy_id = MARVELL_PHY_ID_88E3016,
		.phy_id_mask = MARVELL_PHY_ID_MASK,
		.name = "Marvell 88E3016",
		.features = PHY_BASIC_FEATURES,
2382
		.probe = marvell_probe,
2383 2384 2385 2386 2387 2388 2389 2390
		.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,
2391 2392
		.read_page = marvell_read_page,
		.write_page = marvell_write_page,
2393 2394 2395
		.get_sset_count = marvell_get_sset_count,
		.get_strings = marvell_get_strings,
		.get_stats = marvell_get_stats,
2396
	},
2397 2398 2399 2400 2401
	{
		.phy_id = MARVELL_PHY_ID_88E6390,
		.phy_id_mask = MARVELL_PHY_ID_MASK,
		.name = "Marvell 88E6390",
		.features = PHY_GBIT_FEATURES,
2402
		.probe = m88e6390_probe,
2403
		.config_init = &marvell_config_init,
2404
		.config_aneg = &m88e6390_config_aneg,
2405 2406 2407 2408 2409 2410
		.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,
2411 2412
		.read_page = marvell_read_page,
		.write_page = marvell_write_page,
2413 2414 2415
		.get_sset_count = marvell_get_sset_count,
		.get_strings = marvell_get_strings,
		.get_stats = marvell_get_stats,
2416 2417
		.get_tunable = m88e1540_get_tunable,
		.set_tunable = m88e1540_set_tunable,
2418
	},
2419 2420
};

2421
module_phy_driver(marvell_drivers);
2422

2423
static struct mdio_device_id __maybe_unused marvell_tbl[] = {
2424 2425 2426 2427 2428 2429 2430 2431 2432
	{ 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 },
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2433
	{ MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK },
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2434
	{ MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK },
2435
	{ MARVELL_PHY_ID_88E1540, MARVELL_PHY_ID_MASK },
2436
	{ MARVELL_PHY_ID_88E1545, MARVELL_PHY_ID_MASK },
2437
	{ MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK },
2438
	{ MARVELL_PHY_ID_88E6390, MARVELL_PHY_ID_MASK },
2439 2440 2441 2442
	{ }
};

MODULE_DEVICE_TABLE(mdio, marvell_tbl);