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tegrakernel/kernel/kernel-4.9/drivers/net/phy/marvell.c

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initial commit tegra kernel 32.6.1
2022-02-16 09:13:02 -06:00
/*
* drivers/net/phy/marvell.c
*
* Driver for Marvell PHYs
*
* Author: Andy Fleming
*
* Copyright (c) 2004 Freescale Semiconductor, Inc.
*
* Copyright (c) 2013 Michael Stapelberg <michael@stapelberg.de>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
/*
* Copyright (c) 2016-2017, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/unistd.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/spinlock.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/phy.h>
#include <linux/marvell_phy.h>
#include <linux/of.h>
#include <linux/io.h>
#include <asm/irq.h>
#include <linux/uaccess.h>
#define MII_MARVELL_PHY_PAGE 22
#define MII_M1011_IEVENT 0x13
#define MII_M1011_IEVENT_CLEAR 0x0000
#define MII_M1011_IEVENT_WOL_EVENT BIT(7)
#define MII_M1011_IMASK 0x12
#define MII_M1011_IMASK_INIT 0x6480
#define MII_M1011_IMASK_CLEAR 0x0000
#define MII_M1011_PHY_SCR 0x10
#define MII_M1011_PHY_SCR_MDI 0x0000
#define MII_M1011_PHY_SCR_MDI_X 0x0020
#define MII_M1011_PHY_SCR_AUTO_CROSS 0x0060
#define MII_M1145_PHY_EXT_ADDR_PAGE 0x16
#define MII_M1145_PHY_EXT_SR 0x1b
#define MII_M1145_PHY_EXT_CR 0x14
#define MII_M1145_RGMII_RX_DELAY 0x0080
#define MII_M1145_RGMII_TX_DELAY 0x0002
#define MII_M1145_HWCFG_MODE_SGMII_NO_CLK 0x4
#define MII_M1145_HWCFG_MODE_MASK 0xf
#define MII_M1145_HWCFG_FIBER_COPPER_AUTO 0x8000
#define MII_M1145_HWCFG_MODE_SGMII_NO_CLK 0x4
#define MII_M1145_HWCFG_MODE_MASK 0xf
#define MII_M1145_HWCFG_FIBER_COPPER_AUTO 0x8000
#define MII_M1111_PHY_LED_CONTROL 0x18
#define MII_M1111_PHY_LED_DIRECT 0x4100
#define MII_M1111_PHY_LED_COMBINE 0x411c
#define MII_M1111_PHY_EXT_CR 0x14
#define MII_M1111_RX_DELAY 0x80
#define MII_M1111_TX_DELAY 0x2
#define MII_M1111_PHY_EXT_SR 0x1b
#define MII_M1111_HWCFG_MODE_MASK 0xf
#define MII_M1111_HWCFG_MODE_COPPER_RGMII 0xb
#define MII_M1111_HWCFG_MODE_FIBER_RGMII 0x3
#define MII_M1111_HWCFG_MODE_SGMII_NO_CLK 0x4
#define MII_M1111_HWCFG_MODE_COPPER_RTBI 0x9
#define MII_M1111_HWCFG_FIBER_COPPER_AUTO 0x8000
#define MII_M1111_HWCFG_FIBER_COPPER_RES 0x2000
#define MII_M1111_COPPER 0
#define MII_M1111_FIBER 1
#define MII_88E1512_COPPER 0
#define MII_88E1512_FIBER 1
#define MARVEL_88E1512_PAGE18 18
#define MARVEL_88E1512_G_CTRL_REG 20
#define MARVEL_88E1512_MODE_RGMII_1000X 2
#define MII_88E1121_PHY_MSCR_PAGE 2
#define MII_88E1121_PHY_MSCR_REG 21
#define MII_88E1121_PHY_MSCR_RX_DELAY BIT(5)
#define MII_88E1121_PHY_MSCR_TX_DELAY BIT(4)
#define MII_88E1121_PHY_MSCR_DELAY_MASK (~(0x3 << 4))
#define MII_88E1318S_PHY_MSCR1_REG 16
#define MII_88E1318S_PHY_MSCR1_PAD_ODD BIT(6)
/* Copper Specific Interrupt Enable Register */
#define MII_88E1318S_PHY_CSIER 0x12
/* WOL Event Interrupt Enable */
#define MII_88E1318S_PHY_CSIER_WOL_EIE BIT(7)
/* LED Timer Control Register */
#define MII_88E1318S_PHY_LED_PAGE 0x03
#define MII_88E1318S_PHY_LED_TCR 0x12
#define MII_88E1318S_PHY_LED_TCR_FORCE_INT BIT(15)
#define MII_88E1318S_PHY_LED_TCR_INTn_ENABLE BIT(7)
#define MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW BIT(11)
/* Magic Packet MAC address registers */
#define MII_88E1318S_PHY_MAGIC_PACKET_WORD2 0x17
#define MII_88E1318S_PHY_MAGIC_PACKET_WORD1 0x18
#define MII_88E1318S_PHY_MAGIC_PACKET_WORD0 0x19
#define MII_88E1318S_PHY_WOL_PAGE 0x11
#define MII_88E1318S_PHY_WOL_CTRL 0x10
#define MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS BIT(12)
#define MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE BIT(14)
#define MII_88E1121_PHY_LED_CTRL 16
#define MII_88E1121_PHY_LED_PAGE 3
#define MII_88E1121_PHY_LED_DEF 0x0030
#define MII_M1011_PHY_STATUS 0x11
#define MII_M1011_PHY_STATUS_1000 0x8000
#define MII_M1011_PHY_STATUS_100 0x4000
#define MII_M1011_PHY_STATUS_SPD_MASK 0xc000
#define MII_M1011_PHY_STATUS_FULLDUPLEX 0x2000
#define MII_M1011_PHY_STATUS_RESOLVED 0x0800
#define MII_M1011_PHY_STATUS_LINK 0x0400
#define MII_M1116R_CONTROL_REG_MAC 21
#define MII_88E3016_PHY_SPEC_CTRL 0x10
#define MII_88E3016_DISABLE_SCRAMBLER 0x0200
#define MII_88E3016_AUTO_MDIX_CROSSOVER 0x0030
#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 */
#define LPA_FIBER_1000HALF 0x40
#define LPA_FIBER_1000FULL 0x20
#define LPA_PAUSE_FIBER 0x180
#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
#define NB_FIBER_STATS 1
MODULE_DESCRIPTION("Marvell PHY driver");
MODULE_AUTHOR("Andy Fleming");
MODULE_LICENSE("GPL");
struct marvell_hw_stat {
const char *string;
u8 page;
u8 reg;
u8 bits;
};
static struct marvell_hw_stat marvell_hw_stats[] = {
{ "phy_receive_errors_copper", 0, 21, 16},
{ "phy_idle_errors", 0, 10, 8 },
{ "phy_receive_errors_fiber", 1, 21, 16},
};
struct marvell_priv {
u64 stats[ARRAY_SIZE(marvell_hw_stats)];
bool copper;
};
static int marvell_clear_wol_status(struct phy_device *phydev)
{
int err, temp, oldpage;
oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
if (oldpage < 0)
return oldpage;
err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
MII_88E1318S_PHY_WOL_PAGE);
if (err < 0)
return err;
/* Clear WOL status so that for next WOL event
* interrupt will be generated by HW
*/
temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS;
err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp);
if (err < 0)
return err;
phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
return 0;
}
static int marvell_ack_interrupt(struct phy_device *phydev)
{
int err;
/* Clear the interrupts by reading the reg */
err = phy_read(phydev, MII_M1011_IEVENT);
if (err < 0)
return err;
return 0;
}
static int marvell_config_intr(struct phy_device *phydev)
{
int err;
if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_INIT);
else
err = phy_write(phydev, MII_M1011_IMASK, MII_M1011_IMASK_CLEAR);
return err;
}
static int marvell_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;
}
return 0;
}
static int marvell_config_aneg(struct phy_device *phydev)
{
int err;
err = marvell_set_polarity(phydev, phydev->mdix);
if (err < 0)
return err;
err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
MII_M1111_PHY_LED_DIRECT);
if (err < 0)
return err;
err = genphy_config_aneg(phydev);
if (err < 0)
return err;
if (phydev->autoneg != AUTONEG_ENABLE) {
int bmcr;
/*
* A write to speed/duplex bits (that is performed by
* genphy_config_aneg() call above) must be followed by
* a software reset. Otherwise, the write has no effect.
*/
bmcr = phy_read(phydev, MII_BMCR);
if (bmcr < 0)
return bmcr;
err = phy_write(phydev, MII_BMCR, bmcr | BMCR_RESET);
if (err < 0)
return err;
}
return 0;
}
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
*/
err = phy_write(phydev, MII_BMCR, BMCR_RESET);
if (err < 0)
return err;
err = phy_write(phydev, 0x1d, 0x1f);
if (err < 0)
return err;
err = phy_write(phydev, 0x1e, 0x200c);
if (err < 0)
return err;
err = phy_write(phydev, 0x1d, 0x5);
if (err < 0)
return err;
err = phy_write(phydev, 0x1e, 0);
if (err < 0)
return err;
err = phy_write(phydev, 0x1e, 0x100);
if (err < 0)
return err;
return marvell_config_aneg(phydev);
}
static int m88e1111_config_aneg(struct phy_device *phydev)
{
int err;
/* The Marvell PHY has an errata which requires
* that certain registers get written in order
* to restart autonegotiation
*/
err = phy_write(phydev, MII_BMCR, BMCR_RESET);
err = marvell_set_polarity(phydev, phydev->mdix);
if (err < 0)
return err;
err = phy_write(phydev, MII_M1111_PHY_LED_CONTROL,
MII_M1111_PHY_LED_DIRECT);
if (err < 0)
return err;
err = genphy_config_aneg(phydev);
if (err < 0)
return err;
if (phydev->autoneg != AUTONEG_ENABLE) {
int bmcr;
/* A write to speed/duplex bits (that is performed by
* genphy_config_aneg() call above) must be followed by
* a software reset. Otherwise, the write has no effect.
*/
bmcr = phy_read(phydev, MII_BMCR);
if (bmcr < 0)
return bmcr;
err = phy_write(phydev, MII_BMCR, bmcr | BMCR_RESET);
if (err < 0)
return err;
}
return 0;
}
#ifdef CONFIG_OF_MDIO
/*
* Set and/or override some configuration registers based on the
* marvell,reg-init property stored in the of_node for the phydev.
*
* marvell,reg-init = <reg-page reg mask value>,...;
*
* There may be one or more sets of <reg-page reg mask value>:
*
* reg-page: which register bank to use.
* reg: the register.
* mask: if non-zero, ANDed with existing register value.
* value: ORed with the masked value and written to the regiser.
*
*/
static int marvell_of_reg_init(struct phy_device *phydev)
{
const __be32 *paddr;
int len, i, saved_page, current_page, page_changed, ret;
if (!phydev->mdio.dev.of_node)
return 0;
paddr = of_get_property(phydev->mdio.dev.of_node,
"marvell,reg-init", &len);
if (!paddr || len < (4 * sizeof(*paddr)))
return 0;
saved_page = phy_read(phydev, MII_MARVELL_PHY_PAGE);
if (saved_page < 0)
return saved_page;
page_changed = 0;
current_page = saved_page;
ret = 0;
len /= sizeof(*paddr);
for (i = 0; i < len - 3; i += 4) {
u16 reg_page = be32_to_cpup(paddr + i);
u16 reg = be32_to_cpup(paddr + i + 1);
u16 mask = be32_to_cpup(paddr + i + 2);
u16 val_bits = be32_to_cpup(paddr + i + 3);
int val;
if (reg_page != current_page) {
current_page = reg_page;
page_changed = 1;
ret = phy_write(phydev, MII_MARVELL_PHY_PAGE, reg_page);
if (ret < 0)
goto err;
}
val = 0;
if (mask) {
val = phy_read(phydev, reg);
if (val < 0) {
ret = val;
goto err;
}
val &= mask;
}
val |= val_bits;
ret = phy_write(phydev, reg, val);
if (ret < 0)
goto err;
}
err:
if (page_changed) {
i = phy_write(phydev, MII_MARVELL_PHY_PAGE, saved_page);
if (ret == 0)
ret = i;
}
return ret;
}
#else
static int marvell_of_reg_init(struct phy_device *phydev)
{
return 0;
}
#endif /* CONFIG_OF_MDIO */
static int m88e1121_config_aneg(struct phy_device *phydev)
{
int err, oldpage, mscr;
oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
MII_88E1121_PHY_MSCR_PAGE);
if (err < 0)
return err;
if (phy_interface_is_rgmii(phydev)) {
mscr = phy_read(phydev, MII_88E1121_PHY_MSCR_REG) &
MII_88E1121_PHY_MSCR_DELAY_MASK;
if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
mscr |= (MII_88E1121_PHY_MSCR_RX_DELAY |
MII_88E1121_PHY_MSCR_TX_DELAY);
else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
mscr |= MII_88E1121_PHY_MSCR_RX_DELAY;
else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
mscr |= MII_88E1121_PHY_MSCR_TX_DELAY;
err = phy_write(phydev, MII_88E1121_PHY_MSCR_REG, mscr);
if (err < 0)
return err;
}
phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
err = phy_write(phydev, MII_BMCR, BMCR_RESET);
if (err < 0)
return err;
err = phy_write(phydev, MII_M1011_PHY_SCR,
MII_M1011_PHY_SCR_AUTO_CROSS);
if (err < 0)
return err;
return genphy_config_aneg(phydev);
}
static int m88e1318_config_aneg(struct phy_device *phydev)
{
int err, oldpage, mscr;
oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
MII_88E1121_PHY_MSCR_PAGE);
if (err < 0)
return err;
mscr = phy_read(phydev, MII_88E1318S_PHY_MSCR1_REG);
mscr |= MII_88E1318S_PHY_MSCR1_PAD_ODD;
err = phy_write(phydev, MII_88E1318S_PHY_MSCR1_REG, mscr);
if (err < 0)
return err;
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
if (err < 0)
return err;
return m88e1121_config_aneg(phydev);
}
/**
* ethtool_adv_to_fiber_adv_t
* @ethadv: the ethtool advertisement settings
*
* A small helper function that translates ethtool advertisement
* settings to phy autonegotiation advertisements for the
* MII_ADV register for fiber link.
*/
static inline u32 ethtool_adv_to_fiber_adv_t(u32 ethadv)
{
u32 result = 0;
if (ethadv & ADVERTISED_1000baseT_Half)
result |= ADVERTISE_FIBER_1000HALF;
if (ethadv & ADVERTISED_1000baseT_Full)
result |= ADVERTISE_FIBER_1000FULL;
if ((ethadv & ADVERTISE_PAUSE_ASYM) && (ethadv & ADVERTISE_PAUSE_CAP))
result |= LPA_PAUSE_ASYM_FIBER;
else if (ethadv & ADVERTISE_PAUSE_CAP)
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;
u32 advertise;
if (phydev->autoneg != AUTONEG_ENABLE)
return genphy_setup_forced(phydev);
/* Only allow advertising what this PHY supports */
phydev->advertising &= phydev->supported;
advertise = phydev->advertising;
/* 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);
adv |= ethtool_adv_to_fiber_adv_t(advertise);
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
* begin with? Or maybe phy was isolated?
*/
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;
}
static int m88e1510_config_aneg(struct phy_device *phydev)
{
int err;
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
if (err < 0)
goto error;
/* Configure the copper link first */
err = m88e1318_config_aneg(phydev);
if (err < 0)
goto error;
/* Then the fiber link */
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_FIBER);
if (err < 0)
goto error;
err = marvell_config_aneg_fiber(phydev);
if (err < 0)
goto error;
return phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
error:
phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
return err;
}
static int marvell_config_init(struct phy_device *phydev)
{
/* Set registers from marvell,reg-init DT property */
return marvell_of_reg_init(phydev);
}
static int m88e1116r_config_init(struct phy_device *phydev)
{
int temp;
int err;
temp = phy_read(phydev, MII_BMCR);
temp |= BMCR_RESET;
err = phy_write(phydev, MII_BMCR, temp);
if (err < 0)
return err;
mdelay(500);
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
if (err < 0)
return err;
temp = phy_read(phydev, MII_M1011_PHY_SCR);
temp |= (7 << 12); /* max number of gigabit attempts */
temp |= (1 << 11); /* enable downshift */
temp |= MII_M1011_PHY_SCR_AUTO_CROSS;
err = phy_write(phydev, MII_M1011_PHY_SCR, temp);
if (err < 0)
return err;
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 2);
if (err < 0)
return err;
temp = phy_read(phydev, MII_M1116R_CONTROL_REG_MAC);
temp |= (1 << 5);
temp |= (1 << 4);
err = phy_write(phydev, MII_M1116R_CONTROL_REG_MAC, temp);
if (err < 0)
return err;
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
if (err < 0)
return err;
temp = phy_read(phydev, MII_BMCR);
temp |= BMCR_RESET;
err = phy_write(phydev, MII_BMCR, temp);
if (err < 0)
return err;
mdelay(500);
return marvell_config_init(phydev);
}
static int m88e3016_config_init(struct phy_device *phydev)
{
int reg;
/* Enable Scrambler and Auto-Crossover */
reg = phy_read(phydev, MII_88E3016_PHY_SPEC_CTRL);
if (reg < 0)
return reg;
reg &= ~MII_88E3016_DISABLE_SCRAMBLER;
reg |= MII_88E3016_AUTO_MDIX_CROSSOVER;
reg = phy_write(phydev, MII_88E3016_PHY_SPEC_CTRL, reg);
if (reg < 0)
return reg;
return marvell_config_init(phydev);
}
static int m88e1111_config_init(struct phy_device *phydev)
{
int err;
int temp;
if (phy_interface_is_rgmii(phydev)) {
temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
if (temp < 0)
return temp;
if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
temp &= ~MII_M1111_TX_DELAY;
temp |= MII_M1111_RX_DELAY;
} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
temp &= ~MII_M1111_RX_DELAY;
temp |= MII_M1111_TX_DELAY;
}
err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
if (err < 0)
return err;
temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
if (temp < 0)
return temp;
temp &= ~(MII_M1111_HWCFG_MODE_MASK);
if (temp & MII_M1111_HWCFG_FIBER_COPPER_RES)
temp |= MII_M1111_HWCFG_MODE_FIBER_RGMII;
else
temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;
err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
if (err < 0)
return err;
}
if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
if (temp < 0)
return temp;
temp &= ~(MII_M1111_HWCFG_MODE_MASK);
temp |= MII_M1111_HWCFG_MODE_SGMII_NO_CLK;
temp |= MII_M1111_HWCFG_FIBER_COPPER_AUTO;
err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
if (err < 0)
return err;
/* make sure copper is selected */
err = phy_read(phydev, MII_M1145_PHY_EXT_ADDR_PAGE);
if (err < 0)
return err;
err = phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE,
err & (~0xff));
if (err < 0)
return err;
}
if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
if (temp < 0)
return temp;
temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
if (err < 0)
return err;
temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
if (temp < 0)
return temp;
temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
temp |= 0x7 | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
if (err < 0)
return err;
/* soft reset */
err = phy_write(phydev, MII_BMCR, BMCR_RESET);
if (err < 0)
return err;
do
temp = phy_read(phydev, MII_BMCR);
while (temp & BMCR_RESET);
temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
if (temp < 0)
return temp;
temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);
temp |= MII_M1111_HWCFG_MODE_COPPER_RTBI | MII_M1111_HWCFG_FIBER_COPPER_AUTO;
err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
if (err < 0)
return err;
}
err = marvell_of_reg_init(phydev);
if (err < 0)
return err;
return phy_write(phydev, MII_BMCR, BMCR_RESET);
}
static int m88e1121_config_init(struct phy_device *phydev)
{
int err, oldpage;
oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1121_PHY_LED_PAGE);
if (err < 0)
return err;
/* Default PHY LED config: LED[0] .. Link, LED[1] .. Activity */
err = phy_write(phydev, MII_88E1121_PHY_LED_CTRL,
MII_88E1121_PHY_LED_DEF);
if (err < 0)
return err;
phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
/* Set marvell,reg-init configuration from device tree */
return marvell_config_init(phydev);
}
static int m88e1510_enable_eee_adv(struct phy_device *phydev)
{
int val;
val = phy_read_mmd_indirect(phydev, MDIO_AN_EEE_ADV, MDIO_MMD_AN);
if (val < 0)
return val;
val |= (MDIO_AN_EEE_ADV_100TX | MDIO_AN_EEE_ADV_1000T);
phy_write_mmd_indirect(phydev, MDIO_AN_EEE_ADV, MDIO_MMD_AN, val);
return 0;
}
static int m88e1510_config_init(struct phy_device *phydev)
{
int err;
int temp;
/* SGMII-to-Copper mode initialization */
if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
/* Select page 18 */
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 18);
if (err < 0)
return err;
/* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
temp = phy_read(phydev, MII_88E1510_GEN_CTRL_REG_1);
temp &= ~MII_88E1510_GEN_CTRL_REG_1_MODE_MASK;
temp |= MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII;
err = phy_write(phydev, MII_88E1510_GEN_CTRL_REG_1, temp);
if (err < 0)
return err;
/* PHY reset is necessary after changing MODE[2:0] */
temp |= MII_88E1510_GEN_CTRL_REG_1_RESET;
err = phy_write(phydev, MII_88E1510_GEN_CTRL_REG_1, temp);
if (err < 0)
return err;
/* Reset page selection */
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0);
if (err < 0)
return err;
}
err = m88e1510_enable_eee_adv(phydev);
if (err < 0)
return err;
return m88e1121_config_init(phydev);
}
static int m88e1118_config_aneg(struct phy_device *phydev)
{
int err;
err = phy_write(phydev, MII_BMCR, BMCR_RESET);
if (err < 0)
return err;
err = phy_write(phydev, MII_M1011_PHY_SCR,
MII_M1011_PHY_SCR_AUTO_CROSS);
if (err < 0)
return err;
err = genphy_config_aneg(phydev);
return 0;
}
static int m88e1118_config_init(struct phy_device *phydev)
{
int err;
/* Change address */
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
if (err < 0)
return err;
/* Enable 1000 Mbit */
err = phy_write(phydev, 0x15, 0x1070);
if (err < 0)
return err;
/* Change address */
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0003);
if (err < 0)
return err;
/* Adjust LED Control */
if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS)
err = phy_write(phydev, 0x10, 0x1100);
else
err = phy_write(phydev, 0x10, 0x021e);
if (err < 0)
return err;
err = marvell_of_reg_init(phydev);
if (err < 0)
return err;
/* Reset address */
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
if (err < 0)
return err;
return phy_write(phydev, MII_BMCR, BMCR_RESET);
}
static int m88e1149_config_init(struct phy_device *phydev)
{
int err;
/* Change address */
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0002);
if (err < 0)
return err;
/* Enable 1000 Mbit */
err = phy_write(phydev, 0x15, 0x1048);
if (err < 0)
return err;
err = marvell_of_reg_init(phydev);
if (err < 0)
return err;
/* Reset address */
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x0);
if (err < 0)
return err;
return phy_write(phydev, MII_BMCR, BMCR_RESET);
}
static int m88e1145_config_init(struct phy_device *phydev)
{
int err;
int temp;
/* Take care of errata E0 & E1 */
err = phy_write(phydev, 0x1d, 0x001b);
if (err < 0)
return err;
err = phy_write(phydev, 0x1e, 0x418f);
if (err < 0)
return err;
err = phy_write(phydev, 0x1d, 0x0016);
if (err < 0)
return err;
err = phy_write(phydev, 0x1e, 0xa2da);
if (err < 0)
return err;
if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
int temp = phy_read(phydev, MII_M1145_PHY_EXT_CR);
if (temp < 0)
return temp;
temp |= (MII_M1145_RGMII_RX_DELAY | MII_M1145_RGMII_TX_DELAY);
err = phy_write(phydev, MII_M1145_PHY_EXT_CR, temp);
if (err < 0)
return err;
if (phydev->dev_flags & MARVELL_PHY_M1145_FLAGS_RESISTANCE) {
err = phy_write(phydev, 0x1d, 0x0012);
if (err < 0)
return err;
temp = phy_read(phydev, 0x1e);
if (temp < 0)
return temp;
temp &= 0xf03f;
temp |= 2 << 9; /* 36 ohm */
temp |= 2 << 6; /* 39 ohm */
err = phy_write(phydev, 0x1e, temp);
if (err < 0)
return err;
err = phy_write(phydev, 0x1d, 0x3);
if (err < 0)
return err;
err = phy_write(phydev, 0x1e, 0x8000);
if (err < 0)
return err;
}
}
if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
temp = phy_read(phydev, MII_M1145_PHY_EXT_SR);
if (temp < 0)
return temp;
temp &= ~MII_M1145_HWCFG_MODE_MASK;
temp |= MII_M1145_HWCFG_MODE_SGMII_NO_CLK;
temp |= MII_M1145_HWCFG_FIBER_COPPER_AUTO;
err = phy_write(phydev, MII_M1145_PHY_EXT_SR, temp);
if (err < 0)
return err;
}
err = marvell_of_reg_init(phydev);
if (err < 0)
return err;
return 0;
}
/**
* fiber_lpa_to_ethtool_lpa_t
* @lpa: value of the MII_LPA register for fiber link
*
* A small helper function that translates MII_LPA
* bits to ethtool LP advertisement settings.
*/
static u32 fiber_lpa_to_ethtool_lpa_t(u32 lpa)
{
u32 result = 0;
if (lpa & LPA_FIBER_1000HALF)
result |= ADVERTISED_1000baseT_Half;
if (lpa & LPA_FIBER_1000FULL)
result |= ADVERTISED_1000baseT_Full;
return result;
}
/**
* 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
* register for fiber case */
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;
}
/* marvell_read_status_page
*
* Description:
* Check the link, then figure out the current state
* by comparing what we advertise with what the link partner
* advertises. Start by checking the gigabit possibilities,
* then move on to 10/100.
*/
static int marvell_read_status_page(struct phy_device *phydev, int page)
{
int adv;
int err;
int lpa;
int lpagb;
int status = 0;
int fiber;
/* Detect and update the link, but return if there
* was an error */
if (page == MII_M1111_FIBER)
fiber = 1;
else
fiber = 0;
err = marvell_update_link(phydev, fiber);
if (err)
return err;
if (AUTONEG_ENABLE == phydev->autoneg) {
status = phy_read(phydev, MII_M1011_PHY_STATUS);
if (status < 0)
return status;
lpa = phy_read(phydev, MII_LPA);
if (lpa < 0)
return lpa;
lpagb = phy_read(phydev, MII_STAT1000);
if (lpagb < 0)
return lpagb;
adv = phy_read(phydev, MII_ADVERTISE);
if (adv < 0)
return adv;
if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
phydev->duplex = DUPLEX_FULL;
else
phydev->duplex = DUPLEX_HALF;
status = status & MII_M1011_PHY_STATUS_SPD_MASK;
phydev->pause = phydev->asym_pause = 0;
switch (status) {
case MII_M1011_PHY_STATUS_1000:
phydev->speed = SPEED_1000;
break;
case MII_M1011_PHY_STATUS_100:
phydev->speed = SPEED_100;
break;
default:
phydev->speed = SPEED_10;
break;
}
if (!fiber) {
phydev->lp_advertising = mii_stat1000_to_ethtool_lpa_t(lpagb) |
mii_lpa_to_ethtool_lpa_t(lpa);
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 */
phydev->lp_advertising = fiber_lpa_to_ethtool_lpa_t(lpa);
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;
}
}
}
} else {
int bmcr = phy_read(phydev, MII_BMCR);
if (bmcr < 0)
return bmcr;
if (bmcr & BMCR_FULLDPLX)
phydev->duplex = DUPLEX_FULL;
else
phydev->duplex = DUPLEX_HALF;
if (bmcr & BMCR_SPEED1000)
phydev->speed = SPEED_1000;
else if (bmcr & BMCR_SPEED100)
phydev->speed = SPEED_100;
else
phydev->speed = SPEED_10;
phydev->pause = phydev->asym_pause = 0;
phydev->lp_advertising = 0;
}
return 0;
}
/* 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 */
if (phydev->supported & SUPPORTED_FIBRE &&
phydev->interface != PHY_INTERFACE_MODE_SGMII) {
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_FIBER);
if (err < 0)
goto error;
err = marvell_read_status_page(phydev, MII_M1111_FIBER);
if (err < 0)
goto error;
/* 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.
* */
if (phydev->link)
return 0;
/* If fiber link is down, check and save copper mode state */
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
if (err < 0)
goto error;
}
return marvell_read_status_page(phydev, MII_M1111_COPPER);
error:
phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
return err;
}
static int m88e1512_config_aneg(struct phy_device *phydev)
{
struct marvell_priv *priv = phydev->priv;
if (priv->copper)
return m88e1510_config_aneg(phydev);
/* Do nothing: auto-neng not required in RGMII-1000-X */
return 0;
}
static int m88e1512_read_status(struct phy_device *phydev)
{
struct marvell_priv *priv = phydev->priv;
int val = 0;
if (priv->copper)
return marvell_read_status(phydev);
/* set the fibre reg page */
val = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1512_FIBER);
if (val < 0)
return val;
return genphy_read_status(phydev);
}
static int m88e1512_config_init(struct phy_device *phydev)
{
int val, ret, timeout = 20;
struct marvell_priv *priv = phydev->priv;
if (priv->copper)
return m88e1510_config_init(phydev);
phydev->autoneg = AUTONEG_DISABLE;
/* Set the page to 18, to program General control register 1 */
ret = phy_write(phydev, MII_MARVELL_PHY_PAGE, MARVEL_88E1512_PAGE18);
if (ret < 0)
goto err;
val = phy_read(phydev, MARVEL_88E1512_G_CTRL_REG);
if (val < 0) {
ret = val;
goto err;
}
/* RGMII to 1000BASE-X */
val = (val & 0xfffc) | MARVEL_88E1512_MODE_RGMII_1000X;
ret = phy_write(phydev, MARVEL_88E1512_G_CTRL_REG, val);
if (ret < 0)
goto err;
/* set the fibre reg page */
val = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1512_FIBER);
if (val < 0) {
ret = val;
goto err;
}
/* apply software reset*/
val = phy_read(phydev, MII_BMCR);
if (val < 0) {
ret = val;
goto err;
}
val = (val & 0x7fff) | BMCR_RESET;
ret = phy_write(phydev, MII_BMCR, val);
if (ret < 0)
goto err;
/* wait until reset clear or timeout*/
while ((phy_read(phydev, MII_BMCR) & BMCR_RESET) && timeout) {
msleep(1);
timeout--;
}
return m88e1512_read_status(phydev);
err:
/* set the fibre reg page default */
phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_88E1512_FIBER);
/* ensure controller link adjustment */
phydev->state = PHY_FORCING;
return ret;
}
/* 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 */
if (!(phydev->supported & SUPPORTED_FIBRE)) {
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_FIBER);
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 */
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
if (err < 0)
goto error;
}
/* With the page set, use the generic suspend */
return genphy_suspend(phydev);
error:
phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
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 */
if (!(phydev->supported & SUPPORTED_FIBRE)) {
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_FIBER);
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 */
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
if (err < 0)
goto error;
}
/* With the page set, use the generic resume */
return genphy_resume(phydev);
error:
phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_COPPER);
return err;
}
static int marvell_aneg_done(struct phy_device *phydev)
{
int retval = phy_read(phydev, MII_M1011_PHY_STATUS);
return (retval < 0) ? retval : (retval & MII_M1011_PHY_STATUS_RESOLVED);
}
static int m88e1121_did_interrupt(struct phy_device *phydev)
{
int imask, err;
imask = phy_read(phydev, MII_M1011_IEVENT);
if (imask & MII_M1011_IMASK_INIT) {
if (imask & MII_M1011_IEVENT_WOL_EVENT) {
err = marvell_clear_wol_status(phydev);
if (err < 0)
return 0;
}
return 1;
}
return 0;
}
static void m88e1318_get_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol)
{
wol->supported = WAKE_MAGIC;
wol->wolopts = 0;
if (phy_write(phydev, MII_MARVELL_PHY_PAGE,
MII_88E1318S_PHY_WOL_PAGE) < 0)
return;
if (phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL) &
MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE)
wol->wolopts |= WAKE_MAGIC;
if (phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x00) < 0)
return;
}
static int m88e1318_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol)
{
int err, oldpage, temp;
oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
if (wol->wolopts & WAKE_MAGIC) {
/* Explicitly switch to page 0x00, just to be sure */
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x00);
if (err < 0)
return err;
/* Enable the WOL interrupt */
temp = phy_read(phydev, MII_88E1318S_PHY_CSIER);
temp |= MII_88E1318S_PHY_CSIER_WOL_EIE;
err = phy_write(phydev, MII_88E1318S_PHY_CSIER, temp);
if (err < 0)
return err;
err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
MII_88E1318S_PHY_LED_PAGE);
if (err < 0)
return err;
/* Setup LED[2] as interrupt pin (active low) */
temp = phy_read(phydev, MII_88E1318S_PHY_LED_TCR);
temp &= ~MII_88E1318S_PHY_LED_TCR_FORCE_INT;
temp |= MII_88E1318S_PHY_LED_TCR_INTn_ENABLE;
temp |= MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW;
err = phy_write(phydev, MII_88E1318S_PHY_LED_TCR, temp);
if (err < 0)
return err;
err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
MII_88E1318S_PHY_WOL_PAGE);
if (err < 0)
return err;
/* Store the device address for the magic packet */
err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD2,
((phydev->attached_dev->dev_addr[5] << 8) |
phydev->attached_dev->dev_addr[4]));
if (err < 0)
return err;
err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD1,
((phydev->attached_dev->dev_addr[3] << 8) |
phydev->attached_dev->dev_addr[2]));
if (err < 0)
return err;
err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD0,
((phydev->attached_dev->dev_addr[1] << 8) |
phydev->attached_dev->dev_addr[0]));
if (err < 0)
return err;
/* Clear WOL status and enable magic packet matching */
temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS;
temp |= MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE;
err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp);
if (err < 0)
return err;
} else {
err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
MII_88E1318S_PHY_WOL_PAGE);
if (err < 0)
return err;
/* Clear WOL status and disable magic packet matching */
temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS;
temp &= ~MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE;
err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp);
if (err < 0)
return err;
}
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
if (err < 0)
return err;
return 0;
}
static int marvell_get_sset_count(struct phy_device *phydev)
{
if (phydev->supported & SUPPORTED_FIBRE)
return ARRAY_SIZE(marvell_hw_stats);
else
return ARRAY_SIZE(marvell_hw_stats) - NB_FIBER_STATS;
}
static void marvell_get_strings(struct phy_device *phydev, u8 *data)
{
int count = marvell_get_sset_count(phydev);
int i;
for (i = 0; i < count; i++) {
memcpy(data + i * ETH_GSTRING_LEN,
marvell_hw_stats[i].string, ETH_GSTRING_LEN);
}
}
#ifndef UINT64_MAX
#define UINT64_MAX (u64)(~((u64)0))
#endif
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;
int err, oldpage, val;
u64 ret;
oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
stat.page);
if (err < 0)
return UINT64_MAX;
val = phy_read(phydev, stat.reg);
if (val < 0) {
ret = UINT64_MAX;
} else {
val = val & ((1 << stat.bits) - 1);
priv->stats[i] += val;
ret = priv->stats[i];
}
phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
return ret;
}
static void marvell_get_stats(struct phy_device *phydev,
struct ethtool_stats *stats, u64 *data)
{
int count = marvell_get_sset_count(phydev);
int i;
for (i = 0; i < count; i++)
data[i] = marvell_get_stat(phydev, i);
}
static int marvell_probe(struct phy_device *phydev)
{
struct phy_driver *phydrv = to_phy_driver(phydev->mdio.dev.driver);
struct device_node *of_node = phydev->mdio.dev.of_node;
struct marvell_priv *priv;
priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
if (of_node)
priv->copper = of_property_read_bool(of_node,
"marvell,copper-mode");
/* Enable the interrupts for Marvell PHY in copper mode */
if (priv->copper)
phydrv->flags |= PHY_HAS_INTERRUPT;
phydev->priv = priv;
return 0;
}
static struct phy_driver marvell_drivers[] = {
{
.phy_id = MARVELL_PHY_ID_88E1101,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1101",
.features = PHY_GBIT_FEATURES,
.probe = marvell_probe,
.flags = PHY_HAS_INTERRUPT,
.config_init = &marvell_config_init,
.config_aneg = &m88e1101_config_aneg,
.read_status = &genphy_read_status,
.ack_interrupt = &marvell_ack_interrupt,
.config_intr = &marvell_config_intr,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
.get_sset_count = marvell_get_sset_count,
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
},
{
.phy_id = MARVELL_PHY_ID_88E1112,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1112",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.probe = marvell_probe,
.config_init = &m88e1111_config_init,
.config_aneg = &marvell_config_aneg,
.read_status = &genphy_read_status,
.ack_interrupt = &marvell_ack_interrupt,
.config_intr = &marvell_config_intr,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
.get_sset_count = marvell_get_sset_count,
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
},
{
.phy_id = MARVELL_PHY_ID_88E1111,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1111",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.probe = marvell_probe,
.config_init = &m88e1111_config_init,
.config_aneg = &m88e1111_config_aneg,
.read_status = &marvell_read_status,
.ack_interrupt = &marvell_ack_interrupt,
.config_intr = &marvell_config_intr,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
.get_sset_count = marvell_get_sset_count,
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
},
{
.phy_id = MARVELL_PHY_ID_88E1118,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1118",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.probe = marvell_probe,
.config_init = &m88e1118_config_init,
.config_aneg = &m88e1118_config_aneg,
.read_status = &genphy_read_status,
.ack_interrupt = &marvell_ack_interrupt,
.config_intr = &marvell_config_intr,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
.get_sset_count = marvell_get_sset_count,
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
},
{
.phy_id = MARVELL_PHY_ID_88E1121R,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1121R",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.probe = marvell_probe,
.config_init = &m88e1121_config_init,
.config_aneg = &m88e1121_config_aneg,
.read_status = &marvell_read_status,
.ack_interrupt = &marvell_ack_interrupt,
.config_intr = &marvell_config_intr,
.did_interrupt = &m88e1121_did_interrupt,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
.get_sset_count = marvell_get_sset_count,
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
},
{
.phy_id = MARVELL_PHY_ID_88E1318S,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1318S",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.probe = marvell_probe,
.config_init = &m88e1121_config_init,
.config_aneg = &m88e1318_config_aneg,
.read_status = &marvell_read_status,
.ack_interrupt = &marvell_ack_interrupt,
.config_intr = &marvell_config_intr,
.did_interrupt = &m88e1121_did_interrupt,
.get_wol = &m88e1318_get_wol,
.set_wol = &m88e1318_set_wol,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
.get_sset_count = marvell_get_sset_count,
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
},
{
.phy_id = MARVELL_PHY_ID_88E1145,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1145",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.probe = marvell_probe,
.config_init = &m88e1145_config_init,
.config_aneg = &m88e1101_config_aneg,
.read_status = &genphy_read_status,
.ack_interrupt = &marvell_ack_interrupt,
.config_intr = &marvell_config_intr,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
.get_sset_count = marvell_get_sset_count,
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
},
{
.phy_id = MARVELL_PHY_ID_88E1149R,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1149R",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.probe = marvell_probe,
.config_init = &m88e1149_config_init,
.config_aneg = &m88e1118_config_aneg,
.read_status = &genphy_read_status,
.ack_interrupt = &marvell_ack_interrupt,
.config_intr = &marvell_config_intr,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
.get_sset_count = marvell_get_sset_count,
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
},
{
.phy_id = MARVELL_PHY_ID_88E1240,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1240",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.probe = marvell_probe,
.config_init = &m88e1111_config_init,
.config_aneg = &marvell_config_aneg,
.read_status = &genphy_read_status,
.ack_interrupt = &marvell_ack_interrupt,
.config_intr = &marvell_config_intr,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
.get_sset_count = marvell_get_sset_count,
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
},
{
.phy_id = MARVELL_PHY_ID_88E1116R,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1116R",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.probe = marvell_probe,
.config_init = &m88e1116r_config_init,
.config_aneg = &genphy_config_aneg,
.read_status = &genphy_read_status,
.ack_interrupt = &marvell_ack_interrupt,
.config_intr = &marvell_config_intr,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
.get_sset_count = marvell_get_sset_count,
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
},
{
.phy_id = MARVELL_PHY_ID_88E1512,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1512",
.features = PHY_GBIT_FEATURES | SUPPORTED_Pause,
.probe = marvell_probe,
.config_aneg = &m88e1512_config_aneg,
.config_init = &m88e1512_config_init,
.read_status = &m88e1512_read_status,
.ack_interrupt = &marvell_ack_interrupt,
.config_intr = &marvell_config_intr,
.did_interrupt = &m88e1121_did_interrupt,
.get_wol = &m88e1318_get_wol,
.set_wol = &m88e1318_set_wol,
.resume = &marvell_resume,
.suspend = &marvell_suspend,
.get_sset_count = marvell_get_sset_count,
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
},
{
.phy_id = MARVELL_PHY_ID_88E1510,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1510",
.features = PHY_GBIT_FEATURES | SUPPORTED_FIBRE,
.flags = PHY_HAS_INTERRUPT,
.probe = marvell_probe,
.config_init = &m88e1510_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 = &marvell_resume,
.suspend = &marvell_suspend,
.get_sset_count = marvell_get_sset_count,
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
},
{
.phy_id = MARVELL_PHY_ID_88E1540,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1540",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.probe = marvell_probe,
.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,
.get_sset_count = marvell_get_sset_count,
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
},
{
.phy_id = MARVELL_PHY_ID_88E3016,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E3016",
.features = PHY_BASIC_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.probe = marvell_probe,
.config_aneg = &genphy_config_aneg,
.config_init = &m88e3016_config_init,
.aneg_done = &marvell_aneg_done,
.read_status = &marvell_read_status,
.ack_interrupt = &marvell_ack_interrupt,
.config_intr = &marvell_config_intr,
.did_interrupt = &m88e1121_did_interrupt,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
.get_sset_count = marvell_get_sset_count,
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
},
};
module_phy_driver(marvell_drivers);
static struct mdio_device_id __maybe_unused marvell_tbl[] = {
{ MARVELL_PHY_ID_88E1101, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1112, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1111, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1118, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1121R, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1145, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1149R, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1240, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1318S, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1512, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1540, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK },
{ }
};
MODULE_DEVICE_TABLE(mdio, marvell_tbl);