mscc_main.c 67.0 KB
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// SPDX-License-Identifier: (GPL-2.0 OR MIT)
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/*
 * Driver for Microsemi VSC85xx PHYs
 *
 * Author: Nagaraju Lakkaraju
 * License: Dual MIT/GPL
 * Copyright (c) 2016 Microsemi Corporation
 */

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#include <linux/firmware.h>
#include <linux/jiffies.h>
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#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mdio.h>
#include <linux/mii.h>
#include <linux/phy.h>
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#include <linux/of.h>
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#include <linux/netdevice.h>
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#include <dt-bindings/net/mscc-phy-vsc8531.h>
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#include "mscc.h"
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static const struct vsc85xx_hw_stat vsc85xx_hw_stats[] = {
	{
		.string	= "phy_receive_errors",
		.reg	= MSCC_PHY_ERR_RX_CNT,
		.page	= MSCC_PHY_PAGE_STANDARD,
		.mask	= ERR_CNT_MASK,
	}, {
		.string	= "phy_false_carrier",
		.reg	= MSCC_PHY_ERR_FALSE_CARRIER_CNT,
		.page	= MSCC_PHY_PAGE_STANDARD,
		.mask	= ERR_CNT_MASK,
	}, {
		.string	= "phy_cu_media_link_disconnect",
		.reg	= MSCC_PHY_ERR_LINK_DISCONNECT_CNT,
		.page	= MSCC_PHY_PAGE_STANDARD,
		.mask	= ERR_CNT_MASK,
	}, {
		.string	= "phy_cu_media_crc_good_count",
		.reg	= MSCC_PHY_CU_MEDIA_CRC_VALID_CNT,
		.page	= MSCC_PHY_PAGE_EXTENDED,
		.mask	= VALID_CRC_CNT_CRC_MASK,
	}, {
		.string	= "phy_cu_media_crc_error_count",
		.reg	= MSCC_PHY_EXT_PHY_CNTL_4,
		.page	= MSCC_PHY_PAGE_EXTENDED,
		.mask	= ERR_CNT_MASK,
	},
};

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static const struct vsc85xx_hw_stat vsc8584_hw_stats[] = {
	{
		.string	= "phy_receive_errors",
		.reg	= MSCC_PHY_ERR_RX_CNT,
		.page	= MSCC_PHY_PAGE_STANDARD,
		.mask	= ERR_CNT_MASK,
	}, {
		.string	= "phy_false_carrier",
		.reg	= MSCC_PHY_ERR_FALSE_CARRIER_CNT,
		.page	= MSCC_PHY_PAGE_STANDARD,
		.mask	= ERR_CNT_MASK,
	}, {
		.string	= "phy_cu_media_link_disconnect",
		.reg	= MSCC_PHY_ERR_LINK_DISCONNECT_CNT,
		.page	= MSCC_PHY_PAGE_STANDARD,
		.mask	= ERR_CNT_MASK,
	}, {
		.string	= "phy_cu_media_crc_good_count",
		.reg	= MSCC_PHY_CU_MEDIA_CRC_VALID_CNT,
		.page	= MSCC_PHY_PAGE_EXTENDED,
		.mask	= VALID_CRC_CNT_CRC_MASK,
	}, {
		.string	= "phy_cu_media_crc_error_count",
		.reg	= MSCC_PHY_EXT_PHY_CNTL_4,
		.page	= MSCC_PHY_PAGE_EXTENDED,
		.mask	= ERR_CNT_MASK,
	}, {
		.string	= "phy_serdes_tx_good_pkt_count",
		.reg	= MSCC_PHY_SERDES_TX_VALID_CNT,
		.page	= MSCC_PHY_PAGE_EXTENDED_3,
		.mask	= VALID_CRC_CNT_CRC_MASK,
	}, {
		.string	= "phy_serdes_tx_bad_crc_count",
		.reg	= MSCC_PHY_SERDES_TX_CRC_ERR_CNT,
		.page	= MSCC_PHY_PAGE_EXTENDED_3,
		.mask	= ERR_CNT_MASK,
	}, {
		.string	= "phy_serdes_rx_good_pkt_count",
		.reg	= MSCC_PHY_SERDES_RX_VALID_CNT,
		.page	= MSCC_PHY_PAGE_EXTENDED_3,
		.mask	= VALID_CRC_CNT_CRC_MASK,
	}, {
		.string	= "phy_serdes_rx_bad_crc_count",
		.reg	= MSCC_PHY_SERDES_RX_CRC_ERR_CNT,
		.page	= MSCC_PHY_PAGE_EXTENDED_3,
		.mask	= ERR_CNT_MASK,
	},
};

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#ifdef CONFIG_OF_MDIO
static const struct vsc8531_edge_rate_table edge_table[] = {
	{MSCC_VDDMAC_3300, { 0, 2,  4,  7, 10, 17, 29, 53} },
	{MSCC_VDDMAC_2500, { 0, 3,  6, 10, 14, 23, 37, 63} },
	{MSCC_VDDMAC_1800, { 0, 5,  9, 16, 23, 35, 52, 76} },
	{MSCC_VDDMAC_1500, { 0, 6, 14, 21, 29, 42, 58, 77} },
};
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#endif
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static int vsc85xx_phy_read_page(struct phy_device *phydev)
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{
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	return __phy_read(phydev, MSCC_EXT_PAGE_ACCESS);
}
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static int vsc85xx_phy_write_page(struct phy_device *phydev, int page)
{
	return __phy_write(phydev, MSCC_EXT_PAGE_ACCESS, page);
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}

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static int vsc85xx_get_sset_count(struct phy_device *phydev)
{
	struct vsc8531_private *priv = phydev->priv;

	if (!priv)
		return 0;

	return priv->nstats;
}

static void vsc85xx_get_strings(struct phy_device *phydev, u8 *data)
{
	struct vsc8531_private *priv = phydev->priv;
	int i;

	if (!priv)
		return;

	for (i = 0; i < priv->nstats; i++)
		strlcpy(data + i * ETH_GSTRING_LEN, priv->hw_stats[i].string,
			ETH_GSTRING_LEN);
}

static u64 vsc85xx_get_stat(struct phy_device *phydev, int i)
{
	struct vsc8531_private *priv = phydev->priv;
	int val;

	val = phy_read_paged(phydev, priv->hw_stats[i].page,
			     priv->hw_stats[i].reg);
	if (val < 0)
		return U64_MAX;

	val = val & priv->hw_stats[i].mask;
	priv->stats[i] += val;

	return priv->stats[i];
}

static void vsc85xx_get_stats(struct phy_device *phydev,
			      struct ethtool_stats *stats, u64 *data)
{
	struct vsc8531_private *priv = phydev->priv;
	int i;

	if (!priv)
		return;

	for (i = 0; i < priv->nstats; i++)
		data[i] = vsc85xx_get_stat(phydev, i);
}

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static int vsc85xx_led_cntl_set(struct phy_device *phydev,
				u8 led_num,
				u8 mode)
{
	int rc;
	u16 reg_val;

	mutex_lock(&phydev->lock);
	reg_val = phy_read(phydev, MSCC_PHY_LED_MODE_SEL);
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	reg_val &= ~LED_MODE_SEL_MASK(led_num);
	reg_val |= LED_MODE_SEL(led_num, (u16)mode);
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	rc = phy_write(phydev, MSCC_PHY_LED_MODE_SEL, reg_val);
	mutex_unlock(&phydev->lock);

	return rc;
}

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static int vsc85xx_mdix_get(struct phy_device *phydev, u8 *mdix)
{
	u16 reg_val;

	reg_val = phy_read(phydev, MSCC_PHY_DEV_AUX_CNTL);
	if (reg_val & HP_AUTO_MDIX_X_OVER_IND_MASK)
		*mdix = ETH_TP_MDI_X;
	else
		*mdix = ETH_TP_MDI;

	return 0;
}

static int vsc85xx_mdix_set(struct phy_device *phydev, u8 mdix)
{
	int rc;
	u16 reg_val;

	reg_val = phy_read(phydev, MSCC_PHY_BYPASS_CONTROL);
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	if (mdix == ETH_TP_MDI || mdix == ETH_TP_MDI_X) {
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		reg_val |= (DISABLE_PAIR_SWAP_CORR_MASK |
			    DISABLE_POLARITY_CORR_MASK  |
			    DISABLE_HP_AUTO_MDIX_MASK);
	} else {
		reg_val &= ~(DISABLE_PAIR_SWAP_CORR_MASK |
			     DISABLE_POLARITY_CORR_MASK  |
			     DISABLE_HP_AUTO_MDIX_MASK);
	}
	rc = phy_write(phydev, MSCC_PHY_BYPASS_CONTROL, reg_val);
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	if (rc)
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		return rc;

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	reg_val = 0;
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	if (mdix == ETH_TP_MDI)
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		reg_val = FORCE_MDI_CROSSOVER_MDI;
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	else if (mdix == ETH_TP_MDI_X)
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		reg_val = FORCE_MDI_CROSSOVER_MDIX;
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	rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED,
			      MSCC_PHY_EXT_MODE_CNTL, FORCE_MDI_CROSSOVER_MASK,
			      reg_val);
	if (rc < 0)
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		return rc;

	return genphy_restart_aneg(phydev);
}

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static int vsc85xx_downshift_get(struct phy_device *phydev, u8 *count)
{
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	int reg_val;
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	reg_val = phy_read_paged(phydev, MSCC_PHY_PAGE_EXTENDED,
				 MSCC_PHY_ACTIPHY_CNTL);
	if (reg_val < 0)
		return reg_val;
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	reg_val &= DOWNSHIFT_CNTL_MASK;
	if (!(reg_val & DOWNSHIFT_EN))
		*count = DOWNSHIFT_DEV_DISABLE;
	else
		*count = ((reg_val & ~DOWNSHIFT_EN) >> DOWNSHIFT_CNTL_POS) + 2;

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	return 0;
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}

static int vsc85xx_downshift_set(struct phy_device *phydev, u8 count)
{
	if (count == DOWNSHIFT_DEV_DEFAULT_COUNT) {
		/* Default downshift count 3 (i.e. Bit3:2 = 0b01) */
		count = ((1 << DOWNSHIFT_CNTL_POS) | DOWNSHIFT_EN);
	} else if (count > DOWNSHIFT_COUNT_MAX || count == 1) {
		phydev_err(phydev, "Downshift count should be 2,3,4 or 5\n");
		return -ERANGE;
	} else if (count) {
		/* Downshift count is either 2,3,4 or 5 */
		count = (((count - 2) << DOWNSHIFT_CNTL_POS) | DOWNSHIFT_EN);
	}

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	return phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED,
				MSCC_PHY_ACTIPHY_CNTL, DOWNSHIFT_CNTL_MASK,
				count);
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}

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static int vsc85xx_wol_set(struct phy_device *phydev,
			   struct ethtool_wolinfo *wol)
{
	int rc;
	u16 reg_val;
	u8  i;
	u16 pwd[3] = {0, 0, 0};
	struct ethtool_wolinfo *wol_conf = wol;
	u8 *mac_addr = phydev->attached_dev->dev_addr;

	mutex_lock(&phydev->lock);
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	rc = phy_select_page(phydev, MSCC_PHY_PAGE_EXTENDED_2);
	if (rc < 0) {
		rc = phy_restore_page(phydev, rc, rc);
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		goto out_unlock;
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	}
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	if (wol->wolopts & WAKE_MAGIC) {
		/* Store the device address for the magic packet */
		for (i = 0; i < ARRAY_SIZE(pwd); i++)
			pwd[i] = mac_addr[5 - (i * 2 + 1)] << 8 |
				 mac_addr[5 - i * 2];
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		__phy_write(phydev, MSCC_PHY_WOL_LOWER_MAC_ADDR, pwd[0]);
		__phy_write(phydev, MSCC_PHY_WOL_MID_MAC_ADDR, pwd[1]);
		__phy_write(phydev, MSCC_PHY_WOL_UPPER_MAC_ADDR, pwd[2]);
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	} else {
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		__phy_write(phydev, MSCC_PHY_WOL_LOWER_MAC_ADDR, 0);
		__phy_write(phydev, MSCC_PHY_WOL_MID_MAC_ADDR, 0);
		__phy_write(phydev, MSCC_PHY_WOL_UPPER_MAC_ADDR, 0);
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	}

	if (wol_conf->wolopts & WAKE_MAGICSECURE) {
		for (i = 0; i < ARRAY_SIZE(pwd); i++)
			pwd[i] = wol_conf->sopass[5 - (i * 2 + 1)] << 8 |
				 wol_conf->sopass[5 - i * 2];
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		__phy_write(phydev, MSCC_PHY_WOL_LOWER_PASSWD, pwd[0]);
		__phy_write(phydev, MSCC_PHY_WOL_MID_PASSWD, pwd[1]);
		__phy_write(phydev, MSCC_PHY_WOL_UPPER_PASSWD, pwd[2]);
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	} else {
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		__phy_write(phydev, MSCC_PHY_WOL_LOWER_PASSWD, 0);
		__phy_write(phydev, MSCC_PHY_WOL_MID_PASSWD, 0);
		__phy_write(phydev, MSCC_PHY_WOL_UPPER_PASSWD, 0);
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	}

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	reg_val = __phy_read(phydev, MSCC_PHY_WOL_MAC_CONTROL);
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	if (wol_conf->wolopts & WAKE_MAGICSECURE)
		reg_val |= SECURE_ON_ENABLE;
	else
		reg_val &= ~SECURE_ON_ENABLE;
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	__phy_write(phydev, MSCC_PHY_WOL_MAC_CONTROL, reg_val);
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	rc = phy_restore_page(phydev, rc, rc > 0 ? 0 : rc);
	if (rc < 0)
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		goto out_unlock;

	if (wol->wolopts & WAKE_MAGIC) {
		/* Enable the WOL interrupt */
		reg_val = phy_read(phydev, MII_VSC85XX_INT_MASK);
		reg_val |= MII_VSC85XX_INT_MASK_WOL;
		rc = phy_write(phydev, MII_VSC85XX_INT_MASK, reg_val);
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		if (rc)
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			goto out_unlock;
	} else {
		/* Disable the WOL interrupt */
		reg_val = phy_read(phydev, MII_VSC85XX_INT_MASK);
		reg_val &= (~MII_VSC85XX_INT_MASK_WOL);
		rc = phy_write(phydev, MII_VSC85XX_INT_MASK, reg_val);
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		if (rc)
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			goto out_unlock;
	}
	/* Clear WOL iterrupt status */
	reg_val = phy_read(phydev, MII_VSC85XX_INT_STATUS);

out_unlock:
	mutex_unlock(&phydev->lock);

	return rc;
}

static void vsc85xx_wol_get(struct phy_device *phydev,
			    struct ethtool_wolinfo *wol)
{
	int rc;
	u16 reg_val;
	u8  i;
	u16 pwd[3] = {0, 0, 0};
	struct ethtool_wolinfo *wol_conf = wol;

	mutex_lock(&phydev->lock);
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	rc = phy_select_page(phydev, MSCC_PHY_PAGE_EXTENDED_2);
	if (rc < 0)
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		goto out_unlock;

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	reg_val = __phy_read(phydev, MSCC_PHY_WOL_MAC_CONTROL);
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	if (reg_val & SECURE_ON_ENABLE)
		wol_conf->wolopts |= WAKE_MAGICSECURE;
	if (wol_conf->wolopts & WAKE_MAGICSECURE) {
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		pwd[0] = __phy_read(phydev, MSCC_PHY_WOL_LOWER_PASSWD);
		pwd[1] = __phy_read(phydev, MSCC_PHY_WOL_MID_PASSWD);
		pwd[2] = __phy_read(phydev, MSCC_PHY_WOL_UPPER_PASSWD);
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		for (i = 0; i < ARRAY_SIZE(pwd); i++) {
			wol_conf->sopass[5 - i * 2] = pwd[i] & 0x00ff;
			wol_conf->sopass[5 - (i * 2 + 1)] = (pwd[i] & 0xff00)
							    >> 8;
		}
	}

out_unlock:
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	phy_restore_page(phydev, rc, rc > 0 ? 0 : rc);
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	mutex_unlock(&phydev->lock);
}

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#ifdef CONFIG_OF_MDIO
static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
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{
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	u32 vdd, sd;
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	int i, j;
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	struct device *dev = &phydev->mdio.dev;
	struct device_node *of_node = dev->of_node;
	u8 sd_array_size = ARRAY_SIZE(edge_table[0].slowdown);
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	if (!of_node)
		return -ENODEV;
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	if (of_property_read_u32(of_node, "vsc8531,vddmac", &vdd))
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		vdd = MSCC_VDDMAC_3300;

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	if (of_property_read_u32(of_node, "vsc8531,edge-slowdown", &sd))
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		sd = 0;

	for (i = 0; i < ARRAY_SIZE(edge_table); i++)
		if (edge_table[i].vddmac == vdd)
			for (j = 0; j < sd_array_size; j++)
				if (edge_table[i].slowdown[j] == sd)
					return (sd_array_size - j - 1);

	return -EINVAL;
}
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static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
				   char *led,
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				   u32 default_mode)
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{
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	struct vsc8531_private *priv = phydev->priv;
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	struct device *dev = &phydev->mdio.dev;
	struct device_node *of_node = dev->of_node;
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	u32 led_mode;
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	int err;

	if (!of_node)
		return -ENODEV;

	led_mode = default_mode;
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	err = of_property_read_u32(of_node, led, &led_mode);
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	if (!err && !(BIT(led_mode) & priv->supp_led_modes)) {
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		phydev_err(phydev, "DT %s invalid\n", led);
		return -EINVAL;
	}

	return led_mode;
}

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#else
static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
{
	return 0;
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}
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static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
				   char *led,
				   u8 default_mode)
{
	return default_mode;
}
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#endif /* CONFIG_OF_MDIO */
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static int vsc85xx_dt_led_modes_get(struct phy_device *phydev,
				    u32 *default_mode)
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{
	struct vsc8531_private *priv = phydev->priv;
A
Arnd Bergmann 已提交
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	char led_dt_prop[28];
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	int i, ret;

	for (i = 0; i < priv->nleds; i++) {
		ret = sprintf(led_dt_prop, "vsc8531,led-%d-mode", i);
		if (ret < 0)
			return ret;

		ret = vsc85xx_dt_led_mode_get(phydev, led_dt_prop,
					      default_mode[i]);
		if (ret < 0)
			return ret;
		priv->leds_mode[i] = ret;
	}

	return 0;
}

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static int vsc85xx_edge_rate_cntl_set(struct phy_device *phydev, u8 edge_rate)
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{
	int rc;

	mutex_lock(&phydev->lock);
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	rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED_2,
			      MSCC_PHY_WOL_MAC_CONTROL, EDGE_RATE_CNTL_MASK,
			      edge_rate << EDGE_RATE_CNTL_POS);
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	mutex_unlock(&phydev->lock);

	return rc;
}

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static int vsc85xx_mac_if_set(struct phy_device *phydev,
			      phy_interface_t interface)
{
	int rc;
	u16 reg_val;

	mutex_lock(&phydev->lock);
	reg_val = phy_read(phydev, MSCC_PHY_EXT_PHY_CNTL_1);
	reg_val &= ~(MAC_IF_SELECTION_MASK);
	switch (interface) {
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	case PHY_INTERFACE_MODE_RGMII_TXID:
	case PHY_INTERFACE_MODE_RGMII_RXID:
	case PHY_INTERFACE_MODE_RGMII_ID:
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	case PHY_INTERFACE_MODE_RGMII:
		reg_val |= (MAC_IF_SELECTION_RGMII << MAC_IF_SELECTION_POS);
		break;
	case PHY_INTERFACE_MODE_RMII:
		reg_val |= (MAC_IF_SELECTION_RMII << MAC_IF_SELECTION_POS);
		break;
	case PHY_INTERFACE_MODE_MII:
	case PHY_INTERFACE_MODE_GMII:
		reg_val |= (MAC_IF_SELECTION_GMII << MAC_IF_SELECTION_POS);
		break;
	default:
		rc = -EINVAL;
		goto out_unlock;
	}
	rc = phy_write(phydev, MSCC_PHY_EXT_PHY_CNTL_1, reg_val);
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	if (rc)
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		goto out_unlock;

	rc = genphy_soft_reset(phydev);

out_unlock:
	mutex_unlock(&phydev->lock);

	return rc;
}

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static int vsc85xx_default_config(struct phy_device *phydev)
{
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	u16 reg_val = 0;
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	int rc;
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	phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
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	if (!phy_interface_mode_is_rgmii(phydev->interface))
		return 0;

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	mutex_lock(&phydev->lock);
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	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID ||
	    phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
		reg_val |= RGMII_CLK_DELAY_2_0_NS << RGMII_RX_CLK_DELAY_POS;
	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID ||
	    phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
		reg_val |= RGMII_CLK_DELAY_2_0_NS << RGMII_TX_CLK_DELAY_POS;
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	rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED_2,
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			      MSCC_PHY_RGMII_CNTL,
			      RGMII_RX_CLK_DELAY_MASK | RGMII_TX_CLK_DELAY_MASK,
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			      reg_val);
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	mutex_unlock(&phydev->lock);
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	return rc;
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}

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static int vsc85xx_get_tunable(struct phy_device *phydev,
			       struct ethtool_tunable *tuna, void *data)
{
	switch (tuna->id) {
	case ETHTOOL_PHY_DOWNSHIFT:
		return vsc85xx_downshift_get(phydev, (u8 *)data);
	default:
		return -EINVAL;
	}
}

static int vsc85xx_set_tunable(struct phy_device *phydev,
			       struct ethtool_tunable *tuna,
			       const void *data)
{
	switch (tuna->id) {
	case ETHTOOL_PHY_DOWNSHIFT:
		return vsc85xx_downshift_set(phydev, *(u8 *)data);
	default:
		return -EINVAL;
	}
}

575 576 577 578 579 580 581 582
/* mdiobus lock should be locked when using this function */
static void vsc85xx_tr_write(struct phy_device *phydev, u16 addr, u32 val)
{
	__phy_write(phydev, MSCC_PHY_TR_MSB, val >> 16);
	__phy_write(phydev, MSCC_PHY_TR_LSB, val & GENMASK(15, 0));
	__phy_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(addr));
}

583 584 585
static int vsc8531_pre_init_seq_set(struct phy_device *phydev)
{
	int rc;
586
	static const struct reg_val init_seq[] = {
587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627
		{0x0f90, 0x00688980},
		{0x0696, 0x00000003},
		{0x07fa, 0x0050100f},
		{0x1686, 0x00000004},
	};
	unsigned int i;
	int oldpage;

	rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_STANDARD,
			      MSCC_PHY_EXT_CNTL_STATUS, SMI_BROADCAST_WR_EN,
			      SMI_BROADCAST_WR_EN);
	if (rc < 0)
		return rc;
	rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_TEST,
			      MSCC_PHY_TEST_PAGE_24, 0, 0x0400);
	if (rc < 0)
		return rc;
	rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_TEST,
			      MSCC_PHY_TEST_PAGE_5, 0x0a00, 0x0e00);
	if (rc < 0)
		return rc;
	rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_TEST,
			      MSCC_PHY_TEST_PAGE_8, 0x8000, 0x8000);
	if (rc < 0)
		return rc;

	mutex_lock(&phydev->lock);
	oldpage = phy_select_page(phydev, MSCC_PHY_PAGE_TR);
	if (oldpage < 0)
		goto out_unlock;

	for (i = 0; i < ARRAY_SIZE(init_seq); i++)
		vsc85xx_tr_write(phydev, init_seq[i].reg, init_seq[i].val);

out_unlock:
	oldpage = phy_restore_page(phydev, oldpage, oldpage);
	mutex_unlock(&phydev->lock);

	return oldpage;
}

628 629
static int vsc85xx_eee_init_seq_set(struct phy_device *phydev)
{
630
	static const struct reg_val init_eee[] = {
631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667
		{0x0f82, 0x0012b00a},
		{0x1686, 0x00000004},
		{0x168c, 0x00d2c46f},
		{0x17a2, 0x00000620},
		{0x16a0, 0x00eeffdd},
		{0x16a6, 0x00071448},
		{0x16a4, 0x0013132f},
		{0x16a8, 0x00000000},
		{0x0ffc, 0x00c0a028},
		{0x0fe8, 0x0091b06c},
		{0x0fea, 0x00041600},
		{0x0f80, 0x00000af4},
		{0x0fec, 0x00901809},
		{0x0fee, 0x0000a6a1},
		{0x0ffe, 0x00b01007},
		{0x16b0, 0x00eeff00},
		{0x16b2, 0x00007000},
		{0x16b4, 0x00000814},
	};
	unsigned int i;
	int oldpage;

	mutex_lock(&phydev->lock);
	oldpage = phy_select_page(phydev, MSCC_PHY_PAGE_TR);
	if (oldpage < 0)
		goto out_unlock;

	for (i = 0; i < ARRAY_SIZE(init_eee); i++)
		vsc85xx_tr_write(phydev, init_eee[i].reg, init_eee[i].val);

out_unlock:
	oldpage = phy_restore_page(phydev, oldpage, oldpage);
	mutex_unlock(&phydev->lock);

	return oldpage;
}

668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870
/* phydev->bus->mdio_lock should be locked when using this function */
static int phy_base_write(struct phy_device *phydev, u32 regnum, u16 val)
{
	struct vsc8531_private *priv = phydev->priv;

	if (unlikely(!mutex_is_locked(&phydev->mdio.bus->mdio_lock))) {
		dev_err(&phydev->mdio.dev, "MDIO bus lock not held!\n");
		dump_stack();
	}

	return __mdiobus_write(phydev->mdio.bus, priv->base_addr, regnum, val);
}

/* phydev->bus->mdio_lock should be locked when using this function */
static int phy_base_read(struct phy_device *phydev, u32 regnum)
{
	struct vsc8531_private *priv = phydev->priv;

	if (unlikely(!mutex_is_locked(&phydev->mdio.bus->mdio_lock))) {
		dev_err(&phydev->mdio.dev, "MDIO bus lock not held!\n");
		dump_stack();
	}

	return __mdiobus_read(phydev->mdio.bus, priv->base_addr, regnum);
}

/* bus->mdio_lock should be locked when using this function */
static void vsc8584_csr_write(struct phy_device *phydev, u16 addr, u32 val)
{
	phy_base_write(phydev, MSCC_PHY_TR_MSB, val >> 16);
	phy_base_write(phydev, MSCC_PHY_TR_LSB, val & GENMASK(15, 0));
	phy_base_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(addr));
}

/* bus->mdio_lock should be locked when using this function */
static int vsc8584_cmd(struct phy_device *phydev, u16 val)
{
	unsigned long deadline;
	u16 reg_val;

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
		       MSCC_PHY_PAGE_EXTENDED_GPIO);

	phy_base_write(phydev, MSCC_PHY_PROC_CMD, PROC_CMD_NCOMPLETED | val);

	deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
	do {
		reg_val = phy_base_read(phydev, MSCC_PHY_PROC_CMD);
	} while (time_before(jiffies, deadline) &&
		 (reg_val & PROC_CMD_NCOMPLETED) &&
		 !(reg_val & PROC_CMD_FAILED));

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);

	if (reg_val & PROC_CMD_FAILED)
		return -EIO;

	if (reg_val & PROC_CMD_NCOMPLETED)
		return -ETIMEDOUT;

	return 0;
}

/* bus->mdio_lock should be locked when using this function */
static int vsc8584_micro_deassert_reset(struct phy_device *phydev,
					bool patch_en)
{
	u32 enable, release;

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
		       MSCC_PHY_PAGE_EXTENDED_GPIO);

	enable = RUN_FROM_INT_ROM | MICRO_CLK_EN | DW8051_CLK_EN;
	release = MICRO_NSOFT_RESET | RUN_FROM_INT_ROM | DW8051_CLK_EN |
		MICRO_CLK_EN;

	if (patch_en) {
		enable |= MICRO_PATCH_EN;
		release |= MICRO_PATCH_EN;

		/* Clear all patches */
		phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_RAM);
	}

	/* Enable 8051 Micro clock; CLEAR/SET patch present; disable PRAM clock
	 * override and addr. auto-incr; operate at 125 MHz
	 */
	phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, enable);
	/* Release 8051 Micro SW reset */
	phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, release);

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);

	return 0;
}

/* bus->mdio_lock should be locked when using this function */
static int vsc8584_micro_assert_reset(struct phy_device *phydev)
{
	int ret;
	u16 reg;

	ret = vsc8584_cmd(phydev, PROC_CMD_NOP);
	if (ret)
		return ret;

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
		       MSCC_PHY_PAGE_EXTENDED_GPIO);

	reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
	reg &= ~EN_PATCH_RAM_TRAP_ADDR(4);
	phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);

	phy_base_write(phydev, MSCC_TRAP_ROM_ADDR(4), 0x005b);
	phy_base_write(phydev, MSCC_PATCH_RAM_ADDR(4), 0x005b);

	reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
	reg |= EN_PATCH_RAM_TRAP_ADDR(4);
	phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);

	phy_base_write(phydev, MSCC_PHY_PROC_CMD, PROC_CMD_NOP);

	reg = phy_base_read(phydev, MSCC_DW8051_CNTL_STATUS);
	reg &= ~MICRO_NSOFT_RESET;
	phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, reg);

	phy_base_write(phydev, MSCC_PHY_PROC_CMD, PROC_CMD_MCB_ACCESS_MAC_CONF |
		       PROC_CMD_SGMII_PORT(0) | PROC_CMD_NO_MAC_CONF |
		       PROC_CMD_READ);

	reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
	reg &= ~EN_PATCH_RAM_TRAP_ADDR(4);
	phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);

	return 0;
}

/* bus->mdio_lock should be locked when using this function */
static int vsc8584_get_fw_crc(struct phy_device *phydev, u16 start, u16 size,
			      u16 *crc)
{
	int ret;

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);

	phy_base_write(phydev, MSCC_PHY_VERIPHY_CNTL_2, start);
	phy_base_write(phydev, MSCC_PHY_VERIPHY_CNTL_3, size);

	/* Start Micro command */
	ret = vsc8584_cmd(phydev, PROC_CMD_CRC16);
	if (ret)
		goto out;

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);

	*crc = phy_base_read(phydev, MSCC_PHY_VERIPHY_CNTL_2);

out:
	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);

	return ret;
}

/* bus->mdio_lock should be locked when using this function */
static int vsc8584_patch_fw(struct phy_device *phydev,
			    const struct firmware *fw)
{
	int i, ret;

	ret = vsc8584_micro_assert_reset(phydev);
	if (ret) {
		dev_err(&phydev->mdio.dev,
			"%s: failed to assert reset of micro\n", __func__);
		return ret;
	}

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
		       MSCC_PHY_PAGE_EXTENDED_GPIO);

	/* Hold 8051 Micro in SW Reset, Enable auto incr address and patch clock
	 * Disable the 8051 Micro clock
	 */
	phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, RUN_FROM_INT_ROM |
		       AUTOINC_ADDR | PATCH_RAM_CLK | MICRO_CLK_EN |
		       MICRO_CLK_DIVIDE(2));
	phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_PRAM | INT_MEM_WRITE_EN |
		       INT_MEM_DATA(2));
	phy_base_write(phydev, MSCC_INT_MEM_ADDR, 0x0000);

	for (i = 0; i < fw->size; i++)
		phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_PRAM |
			       INT_MEM_WRITE_EN | fw->data[i]);

	/* Clear internal memory access */
	phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_RAM);

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);

	return 0;
}

871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914
/* bus->mdio_lock should be locked when using this function */
static bool vsc8574_is_serdes_init(struct phy_device *phydev)
{
	u16 reg;
	bool ret;

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
		       MSCC_PHY_PAGE_EXTENDED_GPIO);

	reg = phy_base_read(phydev, MSCC_TRAP_ROM_ADDR(1));
	if (reg != 0x3eb7) {
		ret = false;
		goto out;
	}

	reg = phy_base_read(phydev, MSCC_PATCH_RAM_ADDR(1));
	if (reg != 0x4012) {
		ret = false;
		goto out;
	}

	reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
	if (reg != EN_PATCH_RAM_TRAP_ADDR(1)) {
		ret = false;
		goto out;
	}

	reg = phy_base_read(phydev, MSCC_DW8051_CNTL_STATUS);
	if ((MICRO_NSOFT_RESET | RUN_FROM_INT_ROM |  DW8051_CLK_EN |
	     MICRO_CLK_EN) != (reg & MSCC_DW8051_VLD_MASK)) {
		ret = false;
		goto out;
	}

	ret = true;
out:
	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);

	return ret;
}

/* bus->mdio_lock should be locked when using this function */
static int vsc8574_config_pre_init(struct phy_device *phydev)
{
915
	static const struct reg_val pre_init1[] = {
916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962
		{0x0fae, 0x000401bd},
		{0x0fac, 0x000f000f},
		{0x17a0, 0x00a0f147},
		{0x0fe4, 0x00052f54},
		{0x1792, 0x0027303d},
		{0x07fe, 0x00000704},
		{0x0fe0, 0x00060150},
		{0x0f82, 0x0012b00a},
		{0x0f80, 0x00000d74},
		{0x02e0, 0x00000012},
		{0x03a2, 0x00050208},
		{0x03b2, 0x00009186},
		{0x0fb0, 0x000e3700},
		{0x1688, 0x00049f81},
		{0x0fd2, 0x0000ffff},
		{0x168a, 0x00039fa2},
		{0x1690, 0x0020640b},
		{0x0258, 0x00002220},
		{0x025a, 0x00002a20},
		{0x025c, 0x00003060},
		{0x025e, 0x00003fa0},
		{0x03a6, 0x0000e0f0},
		{0x0f92, 0x00001489},
		{0x16a2, 0x00007000},
		{0x16a6, 0x00071448},
		{0x16a0, 0x00eeffdd},
		{0x0fe8, 0x0091b06c},
		{0x0fea, 0x00041600},
		{0x16b0, 0x00eeff00},
		{0x16b2, 0x00007000},
		{0x16b4, 0x00000814},
		{0x0f90, 0x00688980},
		{0x03a4, 0x0000d8f0},
		{0x0fc0, 0x00000400},
		{0x07fa, 0x0050100f},
		{0x0796, 0x00000003},
		{0x07f8, 0x00c3ff98},
		{0x0fa4, 0x0018292a},
		{0x168c, 0x00d2c46f},
		{0x17a2, 0x00000620},
		{0x16a4, 0x0013132f},
		{0x16a8, 0x00000000},
		{0x0ffc, 0x00c0a028},
		{0x0fec, 0x00901c09},
		{0x0fee, 0x0004a6a1},
		{0x0ffe, 0x00b01807},
	};
963
	static const struct reg_val pre_init2[] = {
964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 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
		{0x0486, 0x0008a518},
		{0x0488, 0x006dc696},
		{0x048a, 0x00000912},
		{0x048e, 0x00000db6},
		{0x049c, 0x00596596},
		{0x049e, 0x00000514},
		{0x04a2, 0x00410280},
		{0x04a4, 0x00000000},
		{0x04a6, 0x00000000},
		{0x04a8, 0x00000000},
		{0x04aa, 0x00000000},
		{0x04ae, 0x007df7dd},
		{0x04b0, 0x006d95d4},
		{0x04b2, 0x00492410},
	};
	struct device *dev = &phydev->mdio.dev;
	const struct firmware *fw;
	unsigned int i;
	u16 crc, reg;
	bool serdes_init;
	int ret;

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);

	/* all writes below are broadcasted to all PHYs in the same package */
	reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
	reg |= SMI_BROADCAST_WR_EN;
	phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);

	phy_base_write(phydev, MII_VSC85XX_INT_MASK, 0);

	/* The below register writes are tweaking analog and electrical
	 * configuration that were determined through characterization by PHY
	 * engineers. These don't mean anything more than "these are the best
	 * values".
	 */
	phy_base_write(phydev, MSCC_PHY_EXT_PHY_CNTL_2, 0x0040);

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);

	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_20, 0x4320);
	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_24, 0x0c00);
	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_9, 0x18ca);
	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_5, 0x1b20);

	reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
	reg |= 0x8000;
	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);

	for (i = 0; i < ARRAY_SIZE(pre_init1); i++)
		vsc8584_csr_write(phydev, pre_init1[i].reg, pre_init1[i].val);

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_2);

	phy_base_write(phydev, MSCC_PHY_CU_PMD_TX_CNTL, 0x028e);

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);

	for (i = 0; i < ARRAY_SIZE(pre_init2); i++)
		vsc8584_csr_write(phydev, pre_init2[i].reg, pre_init2[i].val);

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);

	reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
	reg &= ~0x8000;
	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);

	/* end of write broadcasting */
	reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
	reg &= ~SMI_BROADCAST_WR_EN;
	phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);

	ret = request_firmware(&fw, MSCC_VSC8574_REVB_INT8051_FW, dev);
	if (ret) {
		dev_err(dev, "failed to load firmware %s, ret: %d\n",
			MSCC_VSC8574_REVB_INT8051_FW, ret);
		return ret;
	}

	/* Add one byte to size for the one added by the patch_fw function */
	ret = vsc8584_get_fw_crc(phydev,
				 MSCC_VSC8574_REVB_INT8051_FW_START_ADDR,
				 fw->size + 1, &crc);
	if (ret)
		goto out;

	if (crc == MSCC_VSC8574_REVB_INT8051_FW_CRC) {
		serdes_init = vsc8574_is_serdes_init(phydev);

		if (!serdes_init) {
			ret = vsc8584_micro_assert_reset(phydev);
			if (ret) {
				dev_err(dev,
					"%s: failed to assert reset of micro\n",
					__func__);
1063
				goto out;
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
			}
		}
	} else {
		dev_dbg(dev, "FW CRC is not the expected one, patching FW\n");

		serdes_init = false;

		if (vsc8584_patch_fw(phydev, fw))
			dev_warn(dev,
				 "failed to patch FW, expect non-optimal device\n");
	}

	if (!serdes_init) {
		phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
			       MSCC_PHY_PAGE_EXTENDED_GPIO);

		phy_base_write(phydev, MSCC_TRAP_ROM_ADDR(1), 0x3eb7);
		phy_base_write(phydev, MSCC_PATCH_RAM_ADDR(1), 0x4012);
		phy_base_write(phydev, MSCC_INT_MEM_CNTL,
			       EN_PATCH_RAM_TRAP_ADDR(1));

		vsc8584_micro_deassert_reset(phydev, false);

		/* Add one byte to size for the one added by the patch_fw
		 * function
		 */
		ret = vsc8584_get_fw_crc(phydev,
					 MSCC_VSC8574_REVB_INT8051_FW_START_ADDR,
					 fw->size + 1, &crc);
		if (ret)
			goto out;

		if (crc != MSCC_VSC8574_REVB_INT8051_FW_CRC)
			dev_warn(dev,
				 "FW CRC after patching is not the expected one, expect non-optimal device\n");
	}

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
		       MSCC_PHY_PAGE_EXTENDED_GPIO);

	ret = vsc8584_cmd(phydev, PROC_CMD_1588_DEFAULT_INIT |
			  PROC_CMD_PHY_INIT);

out:
	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);

	release_firmware(fw);

	return ret;
}

1115 1116 1117
/* bus->mdio_lock should be locked when using this function */
static int vsc8584_config_pre_init(struct phy_device *phydev)
{
1118
	static const struct reg_val pre_init1[] = {
1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141
		{0x07fa, 0x0050100f},
		{0x1688, 0x00049f81},
		{0x0f90, 0x00688980},
		{0x03a4, 0x0000d8f0},
		{0x0fc0, 0x00000400},
		{0x0f82, 0x0012b002},
		{0x1686, 0x00000004},
		{0x168c, 0x00d2c46f},
		{0x17a2, 0x00000620},
		{0x16a0, 0x00eeffdd},
		{0x16a6, 0x00071448},
		{0x16a4, 0x0013132f},
		{0x16a8, 0x00000000},
		{0x0ffc, 0x00c0a028},
		{0x0fe8, 0x0091b06c},
		{0x0fea, 0x00041600},
		{0x0f80, 0x00fffaff},
		{0x0fec, 0x00901809},
		{0x0ffe, 0x00b01007},
		{0x16b0, 0x00eeff00},
		{0x16b2, 0x00007000},
		{0x16b4, 0x00000814},
	};
1142
	static const struct reg_val pre_init2[] = {
1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 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 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285
		{0x0486, 0x0008a518},
		{0x0488, 0x006dc696},
		{0x048a, 0x00000912},
	};
	const struct firmware *fw;
	struct device *dev = &phydev->mdio.dev;
	unsigned int i;
	u16 crc, reg;
	int ret;

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);

	/* all writes below are broadcasted to all PHYs in the same package */
	reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
	reg |= SMI_BROADCAST_WR_EN;
	phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);

	phy_base_write(phydev, MII_VSC85XX_INT_MASK, 0);

	reg = phy_base_read(phydev,  MSCC_PHY_BYPASS_CONTROL);
	reg |= PARALLEL_DET_IGNORE_ADVERTISED;
	phy_base_write(phydev, MSCC_PHY_BYPASS_CONTROL, reg);

	/* The below register writes are tweaking analog and electrical
	 * configuration that were determined through characterization by PHY
	 * engineers. These don't mean anything more than "these are the best
	 * values".
	 */
	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_3);

	phy_base_write(phydev, MSCC_PHY_SERDES_TX_CRC_ERR_CNT, 0x2000);

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);

	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_5, 0x1f20);

	reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
	reg |= 0x8000;
	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);

	phy_base_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(0x2fa4));

	reg = phy_base_read(phydev, MSCC_PHY_TR_MSB);
	reg &= ~0x007f;
	reg |= 0x0019;
	phy_base_write(phydev, MSCC_PHY_TR_MSB, reg);

	phy_base_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(0x0fa4));

	for (i = 0; i < ARRAY_SIZE(pre_init1); i++)
		vsc8584_csr_write(phydev, pre_init1[i].reg, pre_init1[i].val);

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_2);

	phy_base_write(phydev, MSCC_PHY_CU_PMD_TX_CNTL, 0x028e);

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);

	for (i = 0; i < ARRAY_SIZE(pre_init2); i++)
		vsc8584_csr_write(phydev, pre_init2[i].reg, pre_init2[i].val);

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);

	reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
	reg &= ~0x8000;
	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);

	/* end of write broadcasting */
	reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
	reg &= ~SMI_BROADCAST_WR_EN;
	phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);

	ret = request_firmware(&fw, MSCC_VSC8584_REVB_INT8051_FW, dev);
	if (ret) {
		dev_err(dev, "failed to load firmware %s, ret: %d\n",
			MSCC_VSC8584_REVB_INT8051_FW, ret);
		return ret;
	}

	/* Add one byte to size for the one added by the patch_fw function */
	ret = vsc8584_get_fw_crc(phydev,
				 MSCC_VSC8584_REVB_INT8051_FW_START_ADDR,
				 fw->size + 1, &crc);
	if (ret)
		goto out;

	if (crc != MSCC_VSC8584_REVB_INT8051_FW_CRC) {
		dev_dbg(dev, "FW CRC is not the expected one, patching FW\n");
		if (vsc8584_patch_fw(phydev, fw))
			dev_warn(dev,
				 "failed to patch FW, expect non-optimal device\n");
	}

	vsc8584_micro_deassert_reset(phydev, false);

	/* Add one byte to size for the one added by the patch_fw function */
	ret = vsc8584_get_fw_crc(phydev,
				 MSCC_VSC8584_REVB_INT8051_FW_START_ADDR,
				 fw->size + 1, &crc);
	if (ret)
		goto out;

	if (crc != MSCC_VSC8584_REVB_INT8051_FW_CRC)
		dev_warn(dev,
			 "FW CRC after patching is not the expected one, expect non-optimal device\n");

	ret = vsc8584_micro_assert_reset(phydev);
	if (ret)
		goto out;

	vsc8584_micro_deassert_reset(phydev, true);

out:
	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);

	release_firmware(fw);

	return ret;
}

/* Check if one PHY has already done the init of the parts common to all PHYs
 * in the Quad PHY package.
 */
static bool vsc8584_is_pkg_init(struct phy_device *phydev, bool reversed)
{
	struct mdio_device **map = phydev->mdio.bus->mdio_map;
	struct vsc8531_private *vsc8531;
	struct phy_device *phy;
	int i, addr;

	/* VSC8584 is a Quad PHY */
	for (i = 0; i < 4; i++) {
		vsc8531 = phydev->priv;

		if (reversed)
			addr = vsc8531->base_addr - i;
		else
			addr = vsc8531->base_addr + i;

1286 1287 1288
		if (!map[addr])
			continue;

1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303
		phy = container_of(map[addr], struct phy_device, mdio);

		if ((phy->phy_id & phydev->drv->phy_id_mask) !=
		    (phydev->drv->phy_id & phydev->drv->phy_id_mask))
			continue;

		vsc8531 = phy->priv;

		if (vsc8531 && vsc8531->pkg_init)
			return true;
	}

	return false;
}

1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329
static void vsc8584_rgmii_set_skews(struct phy_device *phydev)
{
	u32 skew_rx, skew_tx;

	/* We first set the Rx and Tx skews to their default value in h/w
	 * (0.2 ns).
	 */
	skew_rx = VSC8584_RGMII_SKEW_0_2;
	skew_tx = VSC8584_RGMII_SKEW_0_2;

	/* We then set the skews based on the interface mode. */
	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
	    phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
		skew_rx = VSC8584_RGMII_SKEW_2_0;
	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
	    phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
		skew_tx = VSC8584_RGMII_SKEW_2_0;

	/* Finally we apply the skews configuration. */
	phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED_2,
			 MSCC_PHY_RGMII_SETTINGS,
			 (0x7 << RGMII_SKEW_RX_POS) | (0x7 << RGMII_SKEW_TX_POS),
			 (skew_rx << RGMII_SKEW_RX_POS) |
			 (skew_tx << RGMII_SKEW_TX_POS));
}

1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366
static int vsc8584_config_init(struct phy_device *phydev)
{
	struct vsc8531_private *vsc8531 = phydev->priv;
	u16 addr, val;
	int ret, i;

	phydev->mdix_ctrl = ETH_TP_MDI_AUTO;

	mutex_lock(&phydev->mdio.bus->mdio_lock);

	__mdiobus_write(phydev->mdio.bus, phydev->mdio.addr,
			MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);
	addr = __mdiobus_read(phydev->mdio.bus, phydev->mdio.addr,
			      MSCC_PHY_EXT_PHY_CNTL_4);
	addr >>= PHY_CNTL_4_ADDR_POS;

	val = __mdiobus_read(phydev->mdio.bus, phydev->mdio.addr,
			     MSCC_PHY_ACTIPHY_CNTL);
	if (val & PHY_ADDR_REVERSED)
		vsc8531->base_addr = phydev->mdio.addr + addr;
	else
		vsc8531->base_addr = phydev->mdio.addr - addr;

	/* Some parts of the init sequence are identical for every PHY in the
	 * package. Some parts are modifying the GPIO register bank which is a
	 * set of registers that are affecting all PHYs, a few resetting the
	 * microprocessor common to all PHYs. The CRC check responsible of the
	 * checking the firmware within the 8051 microprocessor can only be
	 * accessed via the PHY whose internal address in the package is 0.
	 * All PHYs' interrupts mask register has to be zeroed before enabling
	 * any PHY's interrupt in this register.
	 * For all these reasons, we need to do the init sequence once and only
	 * once whatever is the first PHY in the package that is initialized and
	 * do the correct init sequence for all PHYs that are package-critical
	 * in this pre-init function.
	 */
	if (!vsc8584_is_pkg_init(phydev, val & PHY_ADDR_REVERSED ? 1 : 0)) {
1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377
		/* The following switch statement assumes that the lowest
		 * nibble of the phy_id_mask is always 0. This works because
		 * the lowest nibble of the PHY_ID's below are also 0.
		 */
		WARN_ON(phydev->drv->phy_id_mask & 0xf);

		switch (phydev->phy_id & phydev->drv->phy_id_mask) {
		case PHY_ID_VSC8504:
		case PHY_ID_VSC8552:
		case PHY_ID_VSC8572:
		case PHY_ID_VSC8574:
1378
			ret = vsc8574_config_pre_init(phydev);
1379 1380 1381 1382 1383
			break;
		case PHY_ID_VSC856X:
		case PHY_ID_VSC8575:
		case PHY_ID_VSC8582:
		case PHY_ID_VSC8584:
1384
			ret = vsc8584_config_pre_init(phydev);
1385 1386
			break;
		default:
1387
			ret = -EINVAL;
1388
			break;
1389
		}
1390

1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401
		if (ret)
			goto err;
	}

	vsc8531->pkg_init = true;

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
		       MSCC_PHY_PAGE_EXTENDED_GPIO);

	val = phy_base_read(phydev, MSCC_PHY_MAC_CFG_FASTLINK);
	val &= ~MAC_CFG_MASK;
1402
	if (phydev->interface == PHY_INTERFACE_MODE_QSGMII) {
1403
		val |= MAC_CFG_QSGMII;
1404
	} else if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
1405
		val |= MAC_CFG_SGMII;
1406 1407 1408 1409 1410 1411
	} else if (phy_interface_is_rgmii(phydev)) {
		val |= MAC_CFG_RGMII;
	} else {
		ret = -EINVAL;
		goto err;
	}
1412 1413 1414 1415 1416

	ret = phy_base_write(phydev, MSCC_PHY_MAC_CFG_FASTLINK, val);
	if (ret)
		goto err;

1417 1418 1419 1420 1421 1422 1423
	if (!phy_interface_is_rgmii(phydev)) {
		val = PROC_CMD_MCB_ACCESS_MAC_CONF | PROC_CMD_RST_CONF_PORT |
			PROC_CMD_READ_MOD_WRITE_PORT;
		if (phydev->interface == PHY_INTERFACE_MODE_QSGMII)
			val |= PROC_CMD_QSGMII_MAC;
		else
			val |= PROC_CMD_SGMII_MAC;
1424

1425 1426 1427
		ret = vsc8584_cmd(phydev, val);
		if (ret)
			goto err;
1428

1429 1430
		usleep_range(10000, 20000);
	}
1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449

	/* Disable SerDes for 100Base-FX */
	ret = vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF |
			  PROC_CMD_FIBER_PORT(addr) | PROC_CMD_FIBER_DISABLE |
			  PROC_CMD_READ_MOD_WRITE_PORT |
			  PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_100BASE_FX);
	if (ret)
		goto err;

	/* Disable SerDes for 1000Base-X */
	ret = vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF |
			  PROC_CMD_FIBER_PORT(addr) | PROC_CMD_FIBER_DISABLE |
			  PROC_CMD_READ_MOD_WRITE_PORT |
			  PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_1000BASE_X);
	if (ret)
		goto err;

	mutex_unlock(&phydev->mdio.bus->mdio_lock);

1450 1451 1452
	ret = vsc8584_macsec_init(phydev);
	if (ret)
		return ret;
1453

1454 1455 1456 1457
	phy_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);

	val = phy_read(phydev, MSCC_PHY_EXT_PHY_CNTL_1);
	val &= ~(MEDIA_OP_MODE_MASK | VSC8584_MAC_IF_SELECTION_MASK);
1458 1459
	val |= (MEDIA_OP_MODE_COPPER << MEDIA_OP_MODE_POS) |
	       (VSC8584_MAC_IF_SELECTION_SGMII << VSC8584_MAC_IF_SELECTION_POS);
1460
	ret = phy_write(phydev, MSCC_PHY_EXT_PHY_CNTL_1, val);
1461 1462
	if (ret)
		return ret;
1463

1464 1465 1466
	if (phy_interface_is_rgmii(phydev))
		vsc8584_rgmii_set_skews(phydev);

1467 1468 1469 1470 1471 1472 1473 1474 1475 1476
	ret = genphy_soft_reset(phydev);
	if (ret)
		return ret;

	for (i = 0; i < vsc8531->nleds; i++) {
		ret = vsc85xx_led_cntl_set(phydev, i, vsc8531->leds_mode[i]);
		if (ret)
			return ret;
	}

1477
	return 0;
1478 1479 1480 1481 1482 1483

err:
	mutex_unlock(&phydev->mdio.bus->mdio_lock);
	return ret;
}

1484
static irqreturn_t vsc8584_handle_interrupt(struct phy_device *phydev)
1485
{
1486 1487 1488 1489 1490 1491
	int irq_status;

	irq_status = phy_read(phydev, MII_VSC85XX_INT_STATUS);
	if (irq_status < 0 || !(irq_status & MII_VSC85XX_INT_MASK_MASK))
		return IRQ_NONE;

1492 1493 1494 1495 1496
	if (irq_status & MII_VSC85XX_INT_MASK_EXT)
		vsc8584_handle_macsec_interrupt(phydev);

	if (irq_status & MII_VSC85XX_INT_MASK_LINK_CHG)
		phy_mac_interrupt(phydev);
1497 1498

	return IRQ_HANDLED;
1499 1500
}

1501 1502
static int vsc85xx_config_init(struct phy_device *phydev)
{
1503
	int rc, i, phy_id;
1504
	struct vsc8531_private *vsc8531 = phydev->priv;
1505

1506 1507 1508
	rc = vsc85xx_default_config(phydev);
	if (rc)
		return rc;
1509 1510 1511 1512 1513

	rc = vsc85xx_mac_if_set(phydev, phydev->interface);
	if (rc)
		return rc;

1514
	rc = vsc85xx_edge_rate_cntl_set(phydev, vsc8531->rate_magic);
1515 1516 1517
	if (rc)
		return rc;

1518 1519 1520 1521 1522 1523 1524 1525
	phy_id = phydev->drv->phy_id & phydev->drv->phy_id_mask;
	if (PHY_ID_VSC8531 == phy_id || PHY_ID_VSC8541 == phy_id ||
	    PHY_ID_VSC8530 == phy_id || PHY_ID_VSC8540 == phy_id) {
		rc = vsc8531_pre_init_seq_set(phydev);
		if (rc)
			return rc;
	}

1526 1527 1528 1529
	rc = vsc85xx_eee_init_seq_set(phydev);
	if (rc)
		return rc;

1530 1531 1532 1533 1534
	for (i = 0; i < vsc8531->nleds; i++) {
		rc = vsc85xx_led_cntl_set(phydev, i, vsc8531->leds_mode[i]);
		if (rc)
			return rc;
	}
1535

1536
	return 0;
1537 1538
}

1539 1540 1541 1542 1543 1544 1545 1546 1547 1548
static int vsc8584_did_interrupt(struct phy_device *phydev)
{
	int rc = 0;

	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
		rc = phy_read(phydev, MII_VSC85XX_INT_STATUS);

	return (rc < 0) ? 0 : rc & MII_VSC85XX_INT_MASK_MASK;
}

1549 1550 1551 1552 1553 1554
static int vsc8514_config_pre_init(struct phy_device *phydev)
{
	/* These are the settings to override the silicon default
	 * values to handle hardware performance of PHY. They
	 * are set at Power-On state and remain until PHY Reset.
	 */
1555
	static const struct reg_val pre_init1[] = {
1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 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 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 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 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905
		{0x0f90, 0x00688980},
		{0x0786, 0x00000003},
		{0x07fa, 0x0050100f},
		{0x0f82, 0x0012b002},
		{0x1686, 0x00000004},
		{0x168c, 0x00d2c46f},
		{0x17a2, 0x00000620},
		{0x16a0, 0x00eeffdd},
		{0x16a6, 0x00071448},
		{0x16a4, 0x0013132f},
		{0x16a8, 0x00000000},
		{0x0ffc, 0x00c0a028},
		{0x0fe8, 0x0091b06c},
		{0x0fea, 0x00041600},
		{0x0f80, 0x00fffaff},
		{0x0fec, 0x00901809},
		{0x0ffe, 0x00b01007},
		{0x16b0, 0x00eeff00},
		{0x16b2, 0x00007000},
		{0x16b4, 0x00000814},
	};
	unsigned int i;
	u16 reg;

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);

	/* all writes below are broadcasted to all PHYs in the same package */
	reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
	reg |= SMI_BROADCAST_WR_EN;
	phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);

	reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
	reg |= BIT(15);
	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);

	for (i = 0; i < ARRAY_SIZE(pre_init1); i++)
		vsc8584_csr_write(phydev, pre_init1[i].reg, pre_init1[i].val);

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);

	reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
	reg &= ~BIT(15);
	phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);

	reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
	reg &= ~SMI_BROADCAST_WR_EN;
	phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);

	return 0;
}

static u32 vsc85xx_csr_ctrl_phy_read(struct phy_device *phydev,
				     u32 target, u32 reg)
{
	unsigned long deadline;
	u32 val, val_l, val_h;

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_CSR_CNTL);

	/* CSR registers are grouped under different Target IDs.
	 * 6-bit Target_ID is split between MSCC_EXT_PAGE_CSR_CNTL_20 and
	 * MSCC_EXT_PAGE_CSR_CNTL_19 registers.
	 * Target_ID[5:2] maps to bits[3:0] of MSCC_EXT_PAGE_CSR_CNTL_20
	 * and Target_ID[1:0] maps to bits[13:12] of MSCC_EXT_PAGE_CSR_CNTL_19.
	 */

	/* Setup the Target ID */
	phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_20,
		       MSCC_PHY_CSR_CNTL_20_TARGET(target >> 2));

	/* Trigger CSR Action - Read into the CSR's */
	phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_19,
		       MSCC_PHY_CSR_CNTL_19_CMD | MSCC_PHY_CSR_CNTL_19_READ |
		       MSCC_PHY_CSR_CNTL_19_REG_ADDR(reg) |
		       MSCC_PHY_CSR_CNTL_19_TARGET(target & 0x3));

	/* Wait for register access*/
	deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
	do {
		usleep_range(500, 1000);
		val = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_19);
	} while (time_before(jiffies, deadline) &&
		!(val & MSCC_PHY_CSR_CNTL_19_CMD));

	if (!(val & MSCC_PHY_CSR_CNTL_19_CMD))
		return 0xffffffff;

	/* Read the Least Significant Word (LSW) (17) */
	val_l = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_17);

	/* Read the Most Significant Word (MSW) (18) */
	val_h = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_18);

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
		       MSCC_PHY_PAGE_STANDARD);

	return (val_h << 16) | val_l;
}

static int vsc85xx_csr_ctrl_phy_write(struct phy_device *phydev,
				      u32 target, u32 reg, u32 val)
{
	unsigned long deadline;

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_CSR_CNTL);

	/* CSR registers are grouped under different Target IDs.
	 * 6-bit Target_ID is split between MSCC_EXT_PAGE_CSR_CNTL_20 and
	 * MSCC_EXT_PAGE_CSR_CNTL_19 registers.
	 * Target_ID[5:2] maps to bits[3:0] of MSCC_EXT_PAGE_CSR_CNTL_20
	 * and Target_ID[1:0] maps to bits[13:12] of MSCC_EXT_PAGE_CSR_CNTL_19.
	 */

	/* Setup the Target ID */
	phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_20,
		       MSCC_PHY_CSR_CNTL_20_TARGET(target >> 2));

	/* Write the Least Significant Word (LSW) (17) */
	phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_17, (u16)val);

	/* Write the Most Significant Word (MSW) (18) */
	phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_18, (u16)(val >> 16));

	/* Trigger CSR Action - Write into the CSR's */
	phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_19,
		       MSCC_PHY_CSR_CNTL_19_CMD |
		       MSCC_PHY_CSR_CNTL_19_REG_ADDR(reg) |
		       MSCC_PHY_CSR_CNTL_19_TARGET(target & 0x3));

	/* Wait for register access */
	deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
	do {
		usleep_range(500, 1000);
		val = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_19);
	} while (time_before(jiffies, deadline) &&
		 !(val & MSCC_PHY_CSR_CNTL_19_CMD));

	if (!(val & MSCC_PHY_CSR_CNTL_19_CMD))
		return -ETIMEDOUT;

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
		       MSCC_PHY_PAGE_STANDARD);

	return 0;
}

static int __phy_write_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb,
			       u32 op)
{
	unsigned long deadline;
	u32 val;
	int ret;

	ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET, reg,
					 op | (1 << mcb));
	if (ret)
		return -EINVAL;

	deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
	do {
		usleep_range(500, 1000);
		val = vsc85xx_csr_ctrl_phy_read(phydev, PHY_MCB_TARGET, reg);

		if (val == 0xffffffff)
			return -EIO;

	} while (time_before(jiffies, deadline) && (val & op));

	if (val & op)
		return -ETIMEDOUT;

	return 0;
}

/* Trigger a read to the spcified MCB */
static int phy_update_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb)
{
	return __phy_write_mcb_s6g(phydev, reg, mcb, PHY_MCB_S6G_READ);
}

/* Trigger a write to the spcified MCB */
static int phy_commit_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb)
{
	return __phy_write_mcb_s6g(phydev, reg, mcb, PHY_MCB_S6G_WRITE);
}

static int vsc8514_config_init(struct phy_device *phydev)
{
	struct vsc8531_private *vsc8531 = phydev->priv;
	unsigned long deadline;
	u16 val, addr;
	int ret, i;
	u32 reg;

	phydev->mdix_ctrl = ETH_TP_MDI_AUTO;

	mutex_lock(&phydev->mdio.bus->mdio_lock);

	__phy_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);

	addr = __phy_read(phydev, MSCC_PHY_EXT_PHY_CNTL_4);
	addr >>= PHY_CNTL_4_ADDR_POS;

	val = __phy_read(phydev, MSCC_PHY_ACTIPHY_CNTL);

	if (val & PHY_ADDR_REVERSED)
		vsc8531->base_addr = phydev->mdio.addr + addr;
	else
		vsc8531->base_addr = phydev->mdio.addr - addr;

	/* Some parts of the init sequence are identical for every PHY in the
	 * package. Some parts are modifying the GPIO register bank which is a
	 * set of registers that are affecting all PHYs, a few resetting the
	 * microprocessor common to all PHYs.
	 * All PHYs' interrupts mask register has to be zeroed before enabling
	 * any PHY's interrupt in this register.
	 * For all these reasons, we need to do the init sequence once and only
	 * once whatever is the first PHY in the package that is initialized and
	 * do the correct init sequence for all PHYs that are package-critical
	 * in this pre-init function.
	 */
	if (!vsc8584_is_pkg_init(phydev, val & PHY_ADDR_REVERSED ? 1 : 0))
		vsc8514_config_pre_init(phydev);

	vsc8531->pkg_init = true;

	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
		       MSCC_PHY_PAGE_EXTENDED_GPIO);

	val = phy_base_read(phydev, MSCC_PHY_MAC_CFG_FASTLINK);

	val &= ~MAC_CFG_MASK;
	val |= MAC_CFG_QSGMII;
	ret = phy_base_write(phydev, MSCC_PHY_MAC_CFG_FASTLINK, val);

	if (ret)
		goto err;

	ret = vsc8584_cmd(phydev,
			  PROC_CMD_MCB_ACCESS_MAC_CONF |
			  PROC_CMD_RST_CONF_PORT |
			  PROC_CMD_READ_MOD_WRITE_PORT | PROC_CMD_QSGMII_MAC);
	if (ret)
		goto err;

	/* 6g mcb */
	phy_update_mcb_s6g(phydev, PHY_MCB_S6G_CFG, 0);
	/* lcpll mcb */
	phy_update_mcb_s6g(phydev, PHY_S6G_LCPLL_CFG, 0);
	/* pll5gcfg0 */
	ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET,
					 PHY_S6G_PLL5G_CFG0, 0x7036f145);
	if (ret)
		goto err;

	phy_commit_mcb_s6g(phydev, PHY_S6G_LCPLL_CFG, 0);
	/* pllcfg */
	ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET,
					 PHY_S6G_PLL_CFG,
					 (3 << PHY_S6G_PLL_ENA_OFFS_POS) |
					 (120 << PHY_S6G_PLL_FSM_CTRL_DATA_POS)
					 | (0 << PHY_S6G_PLL_FSM_ENA_POS));
	if (ret)
		goto err;

	/* commoncfg */
	ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET,
					 PHY_S6G_COMMON_CFG,
					 (0 << PHY_S6G_SYS_RST_POS) |
					 (0 << PHY_S6G_ENA_LANE_POS) |
					 (0 << PHY_S6G_ENA_LOOP_POS) |
					 (0 << PHY_S6G_QRATE_POS) |
					 (3 << PHY_S6G_IF_MODE_POS));
	if (ret)
		goto err;

	/* misccfg */
	ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET,
					 PHY_S6G_MISC_CFG, 1);
	if (ret)
		goto err;

	/* gpcfg */
	ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET,
					 PHY_S6G_GPC_CFG, 768);
	if (ret)
		goto err;

	phy_commit_mcb_s6g(phydev, PHY_S6G_DFT_CFG2, 0);

	deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
	do {
		usleep_range(500, 1000);
		phy_update_mcb_s6g(phydev, PHY_MCB_S6G_CFG,
				   0); /* read 6G MCB into CSRs */
		reg = vsc85xx_csr_ctrl_phy_read(phydev, PHY_MCB_TARGET,
						PHY_S6G_PLL_STATUS);
		if (reg == 0xffffffff) {
			mutex_unlock(&phydev->mdio.bus->mdio_lock);
			return -EIO;
		}

	} while (time_before(jiffies, deadline) && (reg & BIT(12)));

	if (reg & BIT(12)) {
		mutex_unlock(&phydev->mdio.bus->mdio_lock);
		return -ETIMEDOUT;
	}

	/* misccfg */
	ret = vsc85xx_csr_ctrl_phy_write(phydev, PHY_MCB_TARGET,
					 PHY_S6G_MISC_CFG, 0);
	if (ret)
		goto err;

	phy_commit_mcb_s6g(phydev, PHY_MCB_S6G_CFG, 0);

	deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
	do {
		usleep_range(500, 1000);
		phy_update_mcb_s6g(phydev, PHY_MCB_S6G_CFG,
				   0); /* read 6G MCB into CSRs */
		reg = vsc85xx_csr_ctrl_phy_read(phydev, PHY_MCB_TARGET,
						PHY_S6G_IB_STATUS0);
		if (reg == 0xffffffff) {
			mutex_unlock(&phydev->mdio.bus->mdio_lock);
			return -EIO;
		}

	} while (time_before(jiffies, deadline) && !(reg & BIT(8)));

	if (!(reg & BIT(8))) {
		mutex_unlock(&phydev->mdio.bus->mdio_lock);
		return -ETIMEDOUT;
	}

	mutex_unlock(&phydev->mdio.bus->mdio_lock);

	ret = phy_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);

	if (ret)
		return ret;

	ret = phy_modify(phydev, MSCC_PHY_EXT_PHY_CNTL_1, MEDIA_OP_MODE_MASK,
1906
			 MEDIA_OP_MODE_COPPER << MEDIA_OP_MODE_POS);
1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928

	if (ret)
		return ret;

	ret = genphy_soft_reset(phydev);

	if (ret)
		return ret;

	for (i = 0; i < vsc8531->nleds; i++) {
		ret = vsc85xx_led_cntl_set(phydev, i, vsc8531->leds_mode[i]);
		if (ret)
			return ret;
	}

	return ret;

err:
	mutex_unlock(&phydev->mdio.bus->mdio_lock);
	return ret;
}

1929 1930
static int vsc85xx_ack_interrupt(struct phy_device *phydev)
{
1931
	int rc = 0;
1932

1933 1934
	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
		rc = phy_read(phydev, MII_VSC85XX_INT_STATUS);
1935

1936
	return (rc < 0) ? rc : 0;
1937 1938 1939 1940
}

static int vsc85xx_config_intr(struct phy_device *phydev)
{
1941 1942 1943
	int rc;

	if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
1944 1945
		vsc8584_config_macsec_intr(phydev);

1946 1947 1948 1949 1950 1951 1952 1953 1954 1955
		rc = phy_write(phydev, MII_VSC85XX_INT_MASK,
			       MII_VSC85XX_INT_MASK_MASK);
	} else {
		rc = phy_write(phydev, MII_VSC85XX_INT_MASK, 0);
		if (rc < 0)
			return rc;
		rc = phy_read(phydev, MII_VSC85XX_INT_STATUS);
	}

	return rc;
1956 1957
}

1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979
static int vsc85xx_config_aneg(struct phy_device *phydev)
{
	int rc;

	rc = vsc85xx_mdix_set(phydev, phydev->mdix_ctrl);
	if (rc < 0)
		return rc;

	return genphy_config_aneg(phydev);
}

static int vsc85xx_read_status(struct phy_device *phydev)
{
	int rc;

	rc = vsc85xx_mdix_get(phydev, &phydev->mdix);
	if (rc < 0)
		return rc;

	return genphy_read_status(phydev);
}

1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996
static int vsc8514_probe(struct phy_device *phydev)
{
	struct vsc8531_private *vsc8531;
	u32 default_mode[4] = {VSC8531_LINK_1000_ACTIVITY,
	   VSC8531_LINK_100_ACTIVITY, VSC8531_LINK_ACTIVITY,
	   VSC8531_DUPLEX_COLLISION};

	vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
	if (!vsc8531)
		return -ENOMEM;

	phydev->priv = vsc8531;

	vsc8531->nleds = 4;
	vsc8531->supp_led_modes = VSC85XX_SUPP_LED_MODES;
	vsc8531->hw_stats = vsc85xx_hw_stats;
	vsc8531->nstats = ARRAY_SIZE(vsc85xx_hw_stats);
1997 1998
	vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats,
				      sizeof(u64), GFP_KERNEL);
1999 2000 2001 2002 2003 2004
	if (!vsc8531->stats)
		return -ENOMEM;

	return vsc85xx_dt_led_modes_get(phydev, default_mode);
}

2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
static int vsc8574_probe(struct phy_device *phydev)
{
	struct vsc8531_private *vsc8531;
	u32 default_mode[4] = {VSC8531_LINK_1000_ACTIVITY,
	   VSC8531_LINK_100_ACTIVITY, VSC8531_LINK_ACTIVITY,
	   VSC8531_DUPLEX_COLLISION};

	vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
	if (!vsc8531)
		return -ENOMEM;

	phydev->priv = vsc8531;

	vsc8531->nleds = 4;
	vsc8531->supp_led_modes = VSC8584_SUPP_LED_MODES;
	vsc8531->hw_stats = vsc8584_hw_stats;
	vsc8531->nstats = ARRAY_SIZE(vsc8584_hw_stats);
2022 2023
	vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats,
				      sizeof(u64), GFP_KERNEL);
2024 2025 2026 2027 2028 2029
	if (!vsc8531->stats)
		return -ENOMEM;

	return vsc85xx_dt_led_modes_get(phydev, default_mode);
}

2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051
static int vsc8584_probe(struct phy_device *phydev)
{
	struct vsc8531_private *vsc8531;
	u32 default_mode[4] = {VSC8531_LINK_1000_ACTIVITY,
	   VSC8531_LINK_100_ACTIVITY, VSC8531_LINK_ACTIVITY,
	   VSC8531_DUPLEX_COLLISION};

	if ((phydev->phy_id & MSCC_DEV_REV_MASK) != VSC8584_REVB) {
		dev_err(&phydev->mdio.dev, "Only VSC8584 revB is supported.\n");
		return -ENOTSUPP;
	}

	vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
	if (!vsc8531)
		return -ENOMEM;

	phydev->priv = vsc8531;

	vsc8531->nleds = 4;
	vsc8531->supp_led_modes = VSC8584_SUPP_LED_MODES;
	vsc8531->hw_stats = vsc8584_hw_stats;
	vsc8531->nstats = ARRAY_SIZE(vsc8584_hw_stats);
2052 2053
	vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats,
				      sizeof(u64), GFP_KERNEL);
2054 2055 2056 2057 2058 2059
	if (!vsc8531->stats)
		return -ENOMEM;

	return vsc85xx_dt_led_modes_get(phydev, default_mode);
}

2060 2061 2062
static int vsc85xx_probe(struct phy_device *phydev)
{
	struct vsc8531_private *vsc8531;
2063
	int rate_magic;
2064
	u32 default_mode[2] = {VSC8531_LINK_1000_ACTIVITY,
2065
	   VSC8531_LINK_100_ACTIVITY};
2066

2067 2068 2069 2070
	rate_magic = vsc85xx_edge_rate_magic_get(phydev);
	if (rate_magic < 0)
		return rate_magic;

2071 2072 2073 2074 2075 2076
	vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
	if (!vsc8531)
		return -ENOMEM;

	phydev->priv = vsc8531;

2077
	vsc8531->rate_magic = rate_magic;
2078
	vsc8531->nleds = 2;
2079
	vsc8531->supp_led_modes = VSC85XX_SUPP_LED_MODES;
2080 2081
	vsc8531->hw_stats = vsc85xx_hw_stats;
	vsc8531->nstats = ARRAY_SIZE(vsc85xx_hw_stats);
2082 2083
	vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats,
				      sizeof(u64), GFP_KERNEL);
2084 2085
	if (!vsc8531->stats)
		return -ENOMEM;
2086

2087
	return vsc85xx_dt_led_modes_get(phydev, default_mode);
2088 2089
}

2090 2091
/* Microsemi VSC85xx PHYs */
static struct phy_driver vsc85xx_driver[] = {
2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115
{
	.phy_id		= PHY_ID_VSC8502,
	.name		= "Microsemi GE VSC8502 SyncE",
	.phy_id_mask	= 0xfffffff0,
	/* PHY_BASIC_FEATURES */
	.soft_reset	= &genphy_soft_reset,
	.config_init	= &vsc85xx_config_init,
	.config_aneg    = &vsc85xx_config_aneg,
	.read_status	= &vsc85xx_read_status,
	.ack_interrupt	= &vsc85xx_ack_interrupt,
	.config_intr	= &vsc85xx_config_intr,
	.suspend	= &genphy_suspend,
	.resume		= &genphy_resume,
	.probe		= &vsc85xx_probe,
	.set_wol	= &vsc85xx_wol_set,
	.get_wol	= &vsc85xx_wol_get,
	.get_tunable	= &vsc85xx_get_tunable,
	.set_tunable	= &vsc85xx_set_tunable,
	.read_page	= &vsc85xx_phy_read_page,
	.write_page	= &vsc85xx_phy_write_page,
	.get_sset_count = &vsc85xx_get_sset_count,
	.get_strings    = &vsc85xx_get_strings,
	.get_stats      = &vsc85xx_get_stats,
},
2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141
{
	.phy_id		= PHY_ID_VSC8504,
	.name		= "Microsemi GE VSC8504 SyncE",
	.phy_id_mask	= 0xfffffff0,
	/* PHY_GBIT_FEATURES */
	.soft_reset	= &genphy_soft_reset,
	.config_init    = &vsc8584_config_init,
	.config_aneg    = &vsc85xx_config_aneg,
	.aneg_done	= &genphy_aneg_done,
	.read_status	= &vsc85xx_read_status,
	.ack_interrupt  = &vsc85xx_ack_interrupt,
	.config_intr    = &vsc85xx_config_intr,
	.did_interrupt  = &vsc8584_did_interrupt,
	.suspend	= &genphy_suspend,
	.resume		= &genphy_resume,
	.probe		= &vsc8574_probe,
	.set_wol	= &vsc85xx_wol_set,
	.get_wol	= &vsc85xx_wol_get,
	.get_tunable	= &vsc85xx_get_tunable,
	.set_tunable	= &vsc85xx_set_tunable,
	.read_page	= &vsc85xx_phy_read_page,
	.write_page	= &vsc85xx_phy_write_page,
	.get_sset_count = &vsc85xx_get_sset_count,
	.get_strings    = &vsc85xx_get_strings,
	.get_stats      = &vsc85xx_get_stats,
},
2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164
{
	.phy_id		= PHY_ID_VSC8514,
	.name		= "Microsemi GE VSC8514 SyncE",
	.phy_id_mask	= 0xfffffff0,
	.soft_reset	= &genphy_soft_reset,
	.config_init    = &vsc8514_config_init,
	.config_aneg    = &vsc85xx_config_aneg,
	.read_status	= &vsc85xx_read_status,
	.ack_interrupt  = &vsc85xx_ack_interrupt,
	.config_intr    = &vsc85xx_config_intr,
	.suspend	= &genphy_suspend,
	.resume		= &genphy_resume,
	.probe		= &vsc8514_probe,
	.set_wol	= &vsc85xx_wol_set,
	.get_wol	= &vsc85xx_wol_get,
	.get_tunable	= &vsc85xx_get_tunable,
	.set_tunable	= &vsc85xx_set_tunable,
	.read_page      = &vsc85xx_phy_read_page,
	.write_page     = &vsc85xx_phy_write_page,
	.get_sset_count = &vsc85xx_get_sset_count,
	.get_strings    = &vsc85xx_get_strings,
	.get_stats      = &vsc85xx_get_stats,
},
2165 2166 2167 2168
{
	.phy_id		= PHY_ID_VSC8530,
	.name		= "Microsemi FE VSC8530",
	.phy_id_mask	= 0xfffffff0,
2169
	/* PHY_BASIC_FEATURES */
2170 2171
	.soft_reset	= &genphy_soft_reset,
	.config_init	= &vsc85xx_config_init,
2172 2173
	.config_aneg    = &vsc85xx_config_aneg,
	.read_status	= &vsc85xx_read_status,
2174 2175 2176 2177 2178 2179 2180
	.ack_interrupt	= &vsc85xx_ack_interrupt,
	.config_intr	= &vsc85xx_config_intr,
	.suspend	= &genphy_suspend,
	.resume		= &genphy_resume,
	.probe		= &vsc85xx_probe,
	.set_wol	= &vsc85xx_wol_set,
	.get_wol	= &vsc85xx_wol_get,
2181 2182
	.get_tunable	= &vsc85xx_get_tunable,
	.set_tunable	= &vsc85xx_set_tunable,
2183 2184
	.read_page	= &vsc85xx_phy_read_page,
	.write_page	= &vsc85xx_phy_write_page,
2185 2186 2187
	.get_sset_count = &vsc85xx_get_sset_count,
	.get_strings    = &vsc85xx_get_strings,
	.get_stats      = &vsc85xx_get_stats,
2188
},
2189
{
2190 2191 2192
	.phy_id		= PHY_ID_VSC8531,
	.name		= "Microsemi VSC8531",
	.phy_id_mask    = 0xfffffff0,
2193
	/* PHY_GBIT_FEATURES */
2194 2195
	.soft_reset	= &genphy_soft_reset,
	.config_init    = &vsc85xx_config_init,
2196 2197
	.config_aneg    = &vsc85xx_config_aneg,
	.read_status	= &vsc85xx_read_status,
2198 2199 2200 2201
	.ack_interrupt  = &vsc85xx_ack_interrupt,
	.config_intr    = &vsc85xx_config_intr,
	.suspend	= &genphy_suspend,
	.resume		= &genphy_resume,
2202 2203 2204
	.probe		= &vsc85xx_probe,
	.set_wol	= &vsc85xx_wol_set,
	.get_wol	= &vsc85xx_wol_get,
2205 2206
	.get_tunable	= &vsc85xx_get_tunable,
	.set_tunable	= &vsc85xx_set_tunable,
2207 2208
	.read_page	= &vsc85xx_phy_read_page,
	.write_page	= &vsc85xx_phy_write_page,
2209 2210 2211
	.get_sset_count = &vsc85xx_get_sset_count,
	.get_strings    = &vsc85xx_get_strings,
	.get_stats      = &vsc85xx_get_stats,
2212
},
2213 2214 2215 2216
{
	.phy_id		= PHY_ID_VSC8540,
	.name		= "Microsemi FE VSC8540 SyncE",
	.phy_id_mask	= 0xfffffff0,
2217
	/* PHY_BASIC_FEATURES */
2218 2219
	.soft_reset	= &genphy_soft_reset,
	.config_init	= &vsc85xx_config_init,
2220 2221
	.config_aneg	= &vsc85xx_config_aneg,
	.read_status	= &vsc85xx_read_status,
2222 2223 2224 2225 2226 2227 2228
	.ack_interrupt	= &vsc85xx_ack_interrupt,
	.config_intr	= &vsc85xx_config_intr,
	.suspend	= &genphy_suspend,
	.resume		= &genphy_resume,
	.probe		= &vsc85xx_probe,
	.set_wol	= &vsc85xx_wol_set,
	.get_wol	= &vsc85xx_wol_get,
2229 2230
	.get_tunable	= &vsc85xx_get_tunable,
	.set_tunable	= &vsc85xx_set_tunable,
2231 2232
	.read_page	= &vsc85xx_phy_read_page,
	.write_page	= &vsc85xx_phy_write_page,
2233 2234 2235
	.get_sset_count = &vsc85xx_get_sset_count,
	.get_strings    = &vsc85xx_get_strings,
	.get_stats      = &vsc85xx_get_stats,
2236
},
2237
{
2238 2239 2240
	.phy_id		= PHY_ID_VSC8541,
	.name		= "Microsemi VSC8541 SyncE",
	.phy_id_mask    = 0xfffffff0,
2241
	/* PHY_GBIT_FEATURES */
2242 2243
	.soft_reset	= &genphy_soft_reset,
	.config_init    = &vsc85xx_config_init,
2244 2245
	.config_aneg    = &vsc85xx_config_aneg,
	.read_status	= &vsc85xx_read_status,
2246 2247 2248 2249
	.ack_interrupt  = &vsc85xx_ack_interrupt,
	.config_intr    = &vsc85xx_config_intr,
	.suspend	= &genphy_suspend,
	.resume		= &genphy_resume,
2250 2251 2252
	.probe		= &vsc85xx_probe,
	.set_wol	= &vsc85xx_wol_set,
	.get_wol	= &vsc85xx_wol_get,
2253 2254
	.get_tunable	= &vsc85xx_get_tunable,
	.set_tunable	= &vsc85xx_set_tunable,
2255 2256
	.read_page	= &vsc85xx_phy_read_page,
	.write_page	= &vsc85xx_phy_write_page,
2257 2258 2259
	.get_sset_count = &vsc85xx_get_sset_count,
	.get_strings    = &vsc85xx_get_strings,
	.get_stats      = &vsc85xx_get_stats,
2260
},
2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318
{
	.phy_id		= PHY_ID_VSC8552,
	.name		= "Microsemi GE VSC8552 SyncE",
	.phy_id_mask	= 0xfffffff0,
	/* PHY_GBIT_FEATURES */
	.soft_reset	= &genphy_soft_reset,
	.config_init    = &vsc8584_config_init,
	.config_aneg    = &vsc85xx_config_aneg,
	.read_status	= &vsc85xx_read_status,
	.ack_interrupt  = &vsc85xx_ack_interrupt,
	.config_intr    = &vsc85xx_config_intr,
	.did_interrupt  = &vsc8584_did_interrupt,
	.suspend	= &genphy_suspend,
	.resume		= &genphy_resume,
	.probe		= &vsc8574_probe,
	.set_wol	= &vsc85xx_wol_set,
	.get_wol	= &vsc85xx_wol_get,
	.get_tunable	= &vsc85xx_get_tunable,
	.set_tunable	= &vsc85xx_set_tunable,
	.read_page	= &vsc85xx_phy_read_page,
	.write_page	= &vsc85xx_phy_write_page,
	.get_sset_count = &vsc85xx_get_sset_count,
	.get_strings    = &vsc85xx_get_strings,
	.get_stats      = &vsc85xx_get_stats,
},
{
	.phy_id		= PHY_ID_VSC856X,
	.name		= "Microsemi GE VSC856X SyncE",
	.phy_id_mask	= 0xfffffff0,
	/* PHY_GBIT_FEATURES */
	.soft_reset	= &genphy_soft_reset,
	.config_init    = &vsc8584_config_init,
	.config_aneg    = &vsc85xx_config_aneg,
	.read_status	= &vsc85xx_read_status,
	.ack_interrupt  = &vsc85xx_ack_interrupt,
	.config_intr    = &vsc85xx_config_intr,
	.did_interrupt  = &vsc8584_did_interrupt,
	.suspend	= &genphy_suspend,
	.resume		= &genphy_resume,
	.probe		= &vsc8584_probe,
	.get_tunable	= &vsc85xx_get_tunable,
	.set_tunable	= &vsc85xx_set_tunable,
	.read_page	= &vsc85xx_phy_read_page,
	.write_page	= &vsc85xx_phy_write_page,
	.get_sset_count = &vsc85xx_get_sset_count,
	.get_strings    = &vsc85xx_get_strings,
	.get_stats      = &vsc85xx_get_stats,
},
{
	.phy_id		= PHY_ID_VSC8572,
	.name		= "Microsemi GE VSC8572 SyncE",
	.phy_id_mask	= 0xfffffff0,
	/* PHY_GBIT_FEATURES */
	.soft_reset	= &genphy_soft_reset,
	.config_init    = &vsc8584_config_init,
	.config_aneg    = &vsc85xx_config_aneg,
	.aneg_done	= &genphy_aneg_done,
	.read_status	= &vsc85xx_read_status,
2319
	.handle_interrupt = &vsc8584_handle_interrupt,
2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335
	.ack_interrupt  = &vsc85xx_ack_interrupt,
	.config_intr    = &vsc85xx_config_intr,
	.did_interrupt  = &vsc8584_did_interrupt,
	.suspend	= &genphy_suspend,
	.resume		= &genphy_resume,
	.probe		= &vsc8574_probe,
	.set_wol	= &vsc85xx_wol_set,
	.get_wol	= &vsc85xx_wol_get,
	.get_tunable	= &vsc85xx_get_tunable,
	.set_tunable	= &vsc85xx_set_tunable,
	.read_page	= &vsc85xx_phy_read_page,
	.write_page	= &vsc85xx_phy_write_page,
	.get_sset_count = &vsc85xx_get_sset_count,
	.get_strings    = &vsc85xx_get_strings,
	.get_stats      = &vsc85xx_get_stats,
},
2336 2337 2338 2339
{
	.phy_id		= PHY_ID_VSC8574,
	.name		= "Microsemi GE VSC8574 SyncE",
	.phy_id_mask	= 0xfffffff0,
2340
	/* PHY_GBIT_FEATURES */
2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361
	.soft_reset	= &genphy_soft_reset,
	.config_init    = &vsc8584_config_init,
	.config_aneg    = &vsc85xx_config_aneg,
	.aneg_done	= &genphy_aneg_done,
	.read_status	= &vsc85xx_read_status,
	.ack_interrupt  = &vsc85xx_ack_interrupt,
	.config_intr    = &vsc85xx_config_intr,
	.did_interrupt  = &vsc8584_did_interrupt,
	.suspend	= &genphy_suspend,
	.resume		= &genphy_resume,
	.probe		= &vsc8574_probe,
	.set_wol	= &vsc85xx_wol_set,
	.get_wol	= &vsc85xx_wol_get,
	.get_tunable	= &vsc85xx_get_tunable,
	.set_tunable	= &vsc85xx_set_tunable,
	.read_page	= &vsc85xx_phy_read_page,
	.write_page	= &vsc85xx_phy_write_page,
	.get_sset_count = &vsc85xx_get_sset_count,
	.get_strings    = &vsc85xx_get_strings,
	.get_stats      = &vsc85xx_get_stats,
},
2362 2363 2364 2365 2366 2367 2368 2369 2370 2371
{
	.phy_id		= PHY_ID_VSC8575,
	.name		= "Microsemi GE VSC8575 SyncE",
	.phy_id_mask	= 0xfffffff0,
	/* PHY_GBIT_FEATURES */
	.soft_reset	= &genphy_soft_reset,
	.config_init    = &vsc8584_config_init,
	.config_aneg    = &vsc85xx_config_aneg,
	.aneg_done	= &genphy_aneg_done,
	.read_status	= &vsc85xx_read_status,
2372
	.handle_interrupt = &vsc8584_handle_interrupt,
2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396
	.ack_interrupt  = &vsc85xx_ack_interrupt,
	.config_intr    = &vsc85xx_config_intr,
	.did_interrupt  = &vsc8584_did_interrupt,
	.suspend	= &genphy_suspend,
	.resume		= &genphy_resume,
	.probe		= &vsc8584_probe,
	.get_tunable	= &vsc85xx_get_tunable,
	.set_tunable	= &vsc85xx_set_tunable,
	.read_page	= &vsc85xx_phy_read_page,
	.write_page	= &vsc85xx_phy_write_page,
	.get_sset_count = &vsc85xx_get_sset_count,
	.get_strings    = &vsc85xx_get_strings,
	.get_stats      = &vsc85xx_get_stats,
},
{
	.phy_id		= PHY_ID_VSC8582,
	.name		= "Microsemi GE VSC8582 SyncE",
	.phy_id_mask	= 0xfffffff0,
	/* PHY_GBIT_FEATURES */
	.soft_reset	= &genphy_soft_reset,
	.config_init    = &vsc8584_config_init,
	.config_aneg    = &vsc85xx_config_aneg,
	.aneg_done	= &genphy_aneg_done,
	.read_status	= &vsc85xx_read_status,
2397
	.handle_interrupt = &vsc8584_handle_interrupt,
2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411
	.ack_interrupt  = &vsc85xx_ack_interrupt,
	.config_intr    = &vsc85xx_config_intr,
	.did_interrupt  = &vsc8584_did_interrupt,
	.suspend	= &genphy_suspend,
	.resume		= &genphy_resume,
	.probe		= &vsc8584_probe,
	.get_tunable	= &vsc85xx_get_tunable,
	.set_tunable	= &vsc85xx_set_tunable,
	.read_page	= &vsc85xx_phy_read_page,
	.write_page	= &vsc85xx_phy_write_page,
	.get_sset_count = &vsc85xx_get_sset_count,
	.get_strings    = &vsc85xx_get_strings,
	.get_stats      = &vsc85xx_get_stats,
},
2412 2413 2414 2415
{
	.phy_id		= PHY_ID_VSC8584,
	.name		= "Microsemi GE VSC8584 SyncE",
	.phy_id_mask	= 0xfffffff0,
2416
	/* PHY_GBIT_FEATURES */
2417 2418 2419 2420 2421
	.soft_reset	= &genphy_soft_reset,
	.config_init    = &vsc8584_config_init,
	.config_aneg    = &vsc85xx_config_aneg,
	.aneg_done	= &genphy_aneg_done,
	.read_status	= &vsc85xx_read_status,
2422
	.handle_interrupt = &vsc8584_handle_interrupt,
2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435
	.ack_interrupt  = &vsc85xx_ack_interrupt,
	.config_intr    = &vsc85xx_config_intr,
	.did_interrupt  = &vsc8584_did_interrupt,
	.suspend	= &genphy_suspend,
	.resume		= &genphy_resume,
	.probe		= &vsc8584_probe,
	.get_tunable	= &vsc85xx_get_tunable,
	.set_tunable	= &vsc85xx_set_tunable,
	.read_page	= &vsc85xx_phy_read_page,
	.write_page	= &vsc85xx_phy_write_page,
	.get_sset_count = &vsc85xx_get_sset_count,
	.get_strings    = &vsc85xx_get_strings,
	.get_stats      = &vsc85xx_get_stats,
2436 2437 2438 2439 2440 2441 2442
}

};

module_phy_driver(vsc85xx_driver);

static struct mdio_device_id __maybe_unused vsc85xx_tbl[] = {
2443
	{ PHY_ID_VSC8504, 0xfffffff0, },
2444
	{ PHY_ID_VSC8514, 0xfffffff0, },
2445
	{ PHY_ID_VSC8530, 0xfffffff0, },
2446
	{ PHY_ID_VSC8531, 0xfffffff0, },
2447
	{ PHY_ID_VSC8540, 0xfffffff0, },
2448
	{ PHY_ID_VSC8541, 0xfffffff0, },
2449 2450 2451
	{ PHY_ID_VSC8552, 0xfffffff0, },
	{ PHY_ID_VSC856X, 0xfffffff0, },
	{ PHY_ID_VSC8572, 0xfffffff0, },
2452
	{ PHY_ID_VSC8574, 0xfffffff0, },
2453 2454
	{ PHY_ID_VSC8575, 0xfffffff0, },
	{ PHY_ID_VSC8582, 0xfffffff0, },
2455
	{ PHY_ID_VSC8584, 0xfffffff0, },
2456
	{ }
2457 2458 2459 2460 2461 2462 2463
};

MODULE_DEVICE_TABLE(mdio, vsc85xx_tbl);

MODULE_DESCRIPTION("Microsemi VSC85xx PHY driver");
MODULE_AUTHOR("Nagaraju Lakkaraju");
MODULE_LICENSE("Dual MIT/GPL");