u-boot/drivers/net/phy/marvell.c
Hao Zhang 35fa0dda0c net: phy: marvell: add errata w/a for 88E151* chips
As per Marvell Release Notes - Alaska 88E1510/88E1518/88E1512/88E1514
Rev A0, Errata Section 3.1 Marvell PHY has an errata which requires
that certain registers get written in order to restart
autonegotiation.

Signed-off-by: Hao Zhang <hzhang@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
Reviewed-by: Stefan Roese <sr@denx.de>
2014-11-06 11:04:38 -05:00

575 lines
15 KiB
C

/*
* Marvell PHY drivers
*
* SPDX-License-Identifier: GPL-2.0+
*
* Copyright 2010-2011 Freescale Semiconductor, Inc.
* author Andy Fleming
*/
#include <config.h>
#include <common.h>
#include <phy.h>
#define PHY_AUTONEGOTIATE_TIMEOUT 5000
/* 88E1011 PHY Status Register */
#define MIIM_88E1xxx_PHY_STATUS 0x11
#define MIIM_88E1xxx_PHYSTAT_SPEED 0xc000
#define MIIM_88E1xxx_PHYSTAT_GBIT 0x8000
#define MIIM_88E1xxx_PHYSTAT_100 0x4000
#define MIIM_88E1xxx_PHYSTAT_DUPLEX 0x2000
#define MIIM_88E1xxx_PHYSTAT_SPDDONE 0x0800
#define MIIM_88E1xxx_PHYSTAT_LINK 0x0400
#define MIIM_88E1xxx_PHY_SCR 0x10
#define MIIM_88E1xxx_PHY_MDI_X_AUTO 0x0060
/* 88E1111 PHY LED Control Register */
#define MIIM_88E1111_PHY_LED_CONTROL 24
#define MIIM_88E1111_PHY_LED_DIRECT 0x4100
#define MIIM_88E1111_PHY_LED_COMBINE 0x411C
/* 88E1111 Extended PHY Specific Control Register */
#define MIIM_88E1111_PHY_EXT_CR 0x14
#define MIIM_88E1111_RX_DELAY 0x80
#define MIIM_88E1111_TX_DELAY 0x2
/* 88E1111 Extended PHY Specific Status Register */
#define MIIM_88E1111_PHY_EXT_SR 0x1b
#define MIIM_88E1111_HWCFG_MODE_MASK 0xf
#define MIIM_88E1111_HWCFG_MODE_COPPER_RGMII 0xb
#define MIIM_88E1111_HWCFG_MODE_FIBER_RGMII 0x3
#define MIIM_88E1111_HWCFG_MODE_SGMII_NO_CLK 0x4
#define MIIM_88E1111_HWCFG_MODE_COPPER_RTBI 0x9
#define MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO 0x8000
#define MIIM_88E1111_HWCFG_FIBER_COPPER_RES 0x2000
#define MIIM_88E1111_COPPER 0
#define MIIM_88E1111_FIBER 1
/* 88E1118 PHY defines */
#define MIIM_88E1118_PHY_PAGE 22
#define MIIM_88E1118_PHY_LED_PAGE 3
/* 88E1121 PHY LED Control Register */
#define MIIM_88E1121_PHY_LED_CTRL 16
#define MIIM_88E1121_PHY_LED_PAGE 3
#define MIIM_88E1121_PHY_LED_DEF 0x0030
/* 88E1121 PHY IRQ Enable/Status Register */
#define MIIM_88E1121_PHY_IRQ_EN 18
#define MIIM_88E1121_PHY_IRQ_STATUS 19
#define MIIM_88E1121_PHY_PAGE 22
/* 88E1145 Extended PHY Specific Control Register */
#define MIIM_88E1145_PHY_EXT_CR 20
#define MIIM_M88E1145_RGMII_RX_DELAY 0x0080
#define MIIM_M88E1145_RGMII_TX_DELAY 0x0002
#define MIIM_88E1145_PHY_LED_CONTROL 24
#define MIIM_88E1145_PHY_LED_DIRECT 0x4100
#define MIIM_88E1145_PHY_PAGE 29
#define MIIM_88E1145_PHY_CAL_OV 30
#define MIIM_88E1149_PHY_PAGE 29
/* 88E1310 PHY defines */
#define MIIM_88E1310_PHY_LED_CTRL 16
#define MIIM_88E1310_PHY_IRQ_EN 18
#define MIIM_88E1310_PHY_RGMII_CTRL 21
#define MIIM_88E1310_PHY_PAGE 22
/* Marvell 88E1011S */
static int m88e1011s_config(struct phy_device *phydev)
{
/* Reset and configure the PHY */
phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x200c);
phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0);
phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
genphy_config_aneg(phydev);
return 0;
}
/* Parse the 88E1011's status register for speed and duplex
* information
*/
static uint m88e1xxx_parse_status(struct phy_device *phydev)
{
unsigned int speed;
unsigned int mii_reg;
mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1xxx_PHY_STATUS);
if ((mii_reg & MIIM_88E1xxx_PHYSTAT_LINK) &&
!(mii_reg & MIIM_88E1xxx_PHYSTAT_SPDDONE)) {
int i = 0;
puts("Waiting for PHY realtime link");
while (!(mii_reg & MIIM_88E1xxx_PHYSTAT_SPDDONE)) {
/* Timeout reached ? */
if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
puts(" TIMEOUT !\n");
phydev->link = 0;
break;
}
if ((i++ % 1000) == 0)
putc('.');
udelay(1000);
mii_reg = phy_read(phydev, MDIO_DEVAD_NONE,
MIIM_88E1xxx_PHY_STATUS);
}
puts(" done\n");
udelay(500000); /* another 500 ms (results in faster booting) */
} else {
if (mii_reg & MIIM_88E1xxx_PHYSTAT_LINK)
phydev->link = 1;
else
phydev->link = 0;
}
if (mii_reg & MIIM_88E1xxx_PHYSTAT_DUPLEX)
phydev->duplex = DUPLEX_FULL;
else
phydev->duplex = DUPLEX_HALF;
speed = mii_reg & MIIM_88E1xxx_PHYSTAT_SPEED;
switch (speed) {
case MIIM_88E1xxx_PHYSTAT_GBIT:
phydev->speed = SPEED_1000;
break;
case MIIM_88E1xxx_PHYSTAT_100:
phydev->speed = SPEED_100;
break;
default:
phydev->speed = SPEED_10;
break;
}
return 0;
}
static int m88e1011s_startup(struct phy_device *phydev)
{
genphy_update_link(phydev);
m88e1xxx_parse_status(phydev);
return 0;
}
/* Marvell 88E1111S */
static int m88e1111s_config(struct phy_device *phydev)
{
int reg;
int timeout;
if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
(phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) ||
(phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
(phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) {
reg = phy_read(phydev,
MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR);
if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
(phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)) {
reg |= (MIIM_88E1111_RX_DELAY | MIIM_88E1111_TX_DELAY);
} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
reg &= ~MIIM_88E1111_TX_DELAY;
reg |= MIIM_88E1111_RX_DELAY;
} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
reg &= ~MIIM_88E1111_RX_DELAY;
reg |= MIIM_88E1111_TX_DELAY;
}
phy_write(phydev,
MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR, reg);
reg = phy_read(phydev,
MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_SR);
reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK);
if (reg & MIIM_88E1111_HWCFG_FIBER_COPPER_RES)
reg |= MIIM_88E1111_HWCFG_MODE_FIBER_RGMII;
else
reg |= MIIM_88E1111_HWCFG_MODE_COPPER_RGMII;
phy_write(phydev,
MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_SR, reg);
}
if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
reg = phy_read(phydev,
MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_SR);
reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK);
reg |= MIIM_88E1111_HWCFG_MODE_SGMII_NO_CLK;
reg |= MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO;
phy_write(phydev, MDIO_DEVAD_NONE,
MIIM_88E1111_PHY_EXT_SR, reg);
}
if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
reg = phy_read(phydev,
MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR);
reg |= (MIIM_88E1111_RX_DELAY | MIIM_88E1111_TX_DELAY);
phy_write(phydev,
MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR, reg);
reg = phy_read(phydev, MDIO_DEVAD_NONE,
MIIM_88E1111_PHY_EXT_SR);
reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK |
MIIM_88E1111_HWCFG_FIBER_COPPER_RES);
reg |= 0x7 | MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO;
phy_write(phydev, MDIO_DEVAD_NONE,
MIIM_88E1111_PHY_EXT_SR, reg);
/* soft reset */
timeout = 1000;
phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
udelay(1000);
reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
while ((reg & BMCR_RESET) && --timeout) {
udelay(1000);
reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
}
if (!timeout)
printf("%s: phy soft reset timeout\n", __func__);
reg = phy_read(phydev, MDIO_DEVAD_NONE,
MIIM_88E1111_PHY_EXT_SR);
reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK |
MIIM_88E1111_HWCFG_FIBER_COPPER_RES);
reg |= MIIM_88E1111_HWCFG_MODE_COPPER_RTBI |
MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO;
phy_write(phydev, MDIO_DEVAD_NONE,
MIIM_88E1111_PHY_EXT_SR, reg);
}
/* soft reset */
timeout = 1000;
phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
udelay(1000);
reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
while ((reg & BMCR_RESET) && --timeout) {
udelay(1000);
reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
}
if (!timeout)
printf("%s: phy soft reset timeout\n", __func__);
genphy_config_aneg(phydev);
phy_reset(phydev);
return 0;
}
/**
* m88e1518_phy_writebits - write bits to a register
*/
void m88e1518_phy_writebits(struct phy_device *phydev,
u8 reg_num, u16 offset, u16 len, u16 data)
{
u16 reg, mask;
if ((len + offset) >= 16)
mask = 0 - (1 << offset);
else
mask = (1 << (len + offset)) - (1 << offset);
reg = phy_read(phydev, MDIO_DEVAD_NONE, reg_num);
reg &= ~mask;
reg |= data << offset;
phy_write(phydev, MDIO_DEVAD_NONE, reg_num, reg);
}
static int m88e1518_config(struct phy_device *phydev)
{
/*
* As per Marvell Release Notes - Alaska 88E1510/88E1518/88E1512
* /88E1514 Rev A0, Errata Section 3.1
*/
if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
phy_write(phydev, MDIO_DEVAD_NONE, 22, 0x00ff); /* page 0xff */
phy_write(phydev, MDIO_DEVAD_NONE, 17, 0x214B);
phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x2144);
phy_write(phydev, MDIO_DEVAD_NONE, 17, 0x0C28);
phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x2146);
phy_write(phydev, MDIO_DEVAD_NONE, 17, 0xB233);
phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x214D);
phy_write(phydev, MDIO_DEVAD_NONE, 17, 0xCC0C);
phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x2159);
phy_write(phydev, MDIO_DEVAD_NONE, 22, 0x0000); /* reg page 0 */
phy_write(phydev, MDIO_DEVAD_NONE, 22, 18); /* reg page 18 */
/* Write HWCFG_MODE = SGMII to Copper */
m88e1518_phy_writebits(phydev, 20, 0, 3, 1);
/* Phy reset */
m88e1518_phy_writebits(phydev, 20, 15, 1, 1);
phy_write(phydev, MDIO_DEVAD_NONE, 22, 0); /* reg page 18 */
udelay(100);
}
return m88e1111s_config(phydev);
}
/* Marvell 88E1118 */
static int m88e1118_config(struct phy_device *phydev)
{
/* Change Page Number */
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0002);
/* Delay RGMII TX and RX */
phy_write(phydev, MDIO_DEVAD_NONE, 0x15, 0x1070);
/* Change Page Number */
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0003);
/* Adjust LED control */
phy_write(phydev, MDIO_DEVAD_NONE, 0x10, 0x021e);
/* Change Page Number */
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0000);
genphy_config_aneg(phydev);
phy_reset(phydev);
return 0;
}
static int m88e1118_startup(struct phy_device *phydev)
{
/* Change Page Number */
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0000);
genphy_update_link(phydev);
m88e1xxx_parse_status(phydev);
return 0;
}
/* Marvell 88E1121R */
static int m88e1121_config(struct phy_device *phydev)
{
int pg;
/* Configure the PHY */
genphy_config_aneg(phydev);
/* Switch the page to access the led register */
pg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_PAGE);
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_PAGE,
MIIM_88E1121_PHY_LED_PAGE);
/* Configure leds */
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_LED_CTRL,
MIIM_88E1121_PHY_LED_DEF);
/* Restore the page pointer */
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_PAGE, pg);
/* Disable IRQs and de-assert interrupt */
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_IRQ_EN, 0);
phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_IRQ_STATUS);
return 0;
}
/* Marvell 88E1145 */
static int m88e1145_config(struct phy_device *phydev)
{
int reg;
/* Errata E0, E1 */
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_PAGE, 0x001b);
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_CAL_OV, 0x418f);
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_PAGE, 0x0016);
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_CAL_OV, 0xa2da);
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1xxx_PHY_SCR,
MIIM_88E1xxx_PHY_MDI_X_AUTO);
reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_EXT_CR);
if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
reg |= MIIM_M88E1145_RGMII_RX_DELAY |
MIIM_M88E1145_RGMII_TX_DELAY;
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_EXT_CR, reg);
genphy_config_aneg(phydev);
phy_reset(phydev);
return 0;
}
static int m88e1145_startup(struct phy_device *phydev)
{
genphy_update_link(phydev);
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_LED_CONTROL,
MIIM_88E1145_PHY_LED_DIRECT);
m88e1xxx_parse_status(phydev);
return 0;
}
/* Marvell 88E1149S */
static int m88e1149_config(struct phy_device *phydev)
{
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1149_PHY_PAGE, 0x1f);
phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x200c);
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1149_PHY_PAGE, 0x5);
phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x0);
phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
genphy_config_aneg(phydev);
phy_reset(phydev);
return 0;
}
/* Marvell 88E1310 */
static int m88e1310_config(struct phy_device *phydev)
{
u16 reg;
/* LED link and activity */
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_PAGE, 0x0003);
reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_LED_CTRL);
reg = (reg & ~0xf) | 0x1;
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_LED_CTRL, reg);
/* Set LED2/INT to INT mode, low active */
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_PAGE, 0x0003);
reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_IRQ_EN);
reg = (reg & 0x77ff) | 0x0880;
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_IRQ_EN, reg);
/* Set RGMII delay */
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_PAGE, 0x0002);
reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_RGMII_CTRL);
reg |= 0x0030;
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_RGMII_CTRL, reg);
/* Ensure to return to page 0 */
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_PAGE, 0x0000);
genphy_config_aneg(phydev);
phy_reset(phydev);
return 0;
}
static struct phy_driver M88E1011S_driver = {
.name = "Marvell 88E1011S",
.uid = 0x1410c60,
.mask = 0xffffff0,
.features = PHY_GBIT_FEATURES,
.config = &m88e1011s_config,
.startup = &m88e1011s_startup,
.shutdown = &genphy_shutdown,
};
static struct phy_driver M88E1111S_driver = {
.name = "Marvell 88E1111S",
.uid = 0x1410cc0,
.mask = 0xffffff0,
.features = PHY_GBIT_FEATURES,
.config = &m88e1111s_config,
.startup = &m88e1011s_startup,
.shutdown = &genphy_shutdown,
};
static struct phy_driver M88E1118_driver = {
.name = "Marvell 88E1118",
.uid = 0x1410e10,
.mask = 0xffffff0,
.features = PHY_GBIT_FEATURES,
.config = &m88e1118_config,
.startup = &m88e1118_startup,
.shutdown = &genphy_shutdown,
};
static struct phy_driver M88E1118R_driver = {
.name = "Marvell 88E1118R",
.uid = 0x1410e40,
.mask = 0xffffff0,
.features = PHY_GBIT_FEATURES,
.config = &m88e1118_config,
.startup = &m88e1118_startup,
.shutdown = &genphy_shutdown,
};
static struct phy_driver M88E1121R_driver = {
.name = "Marvell 88E1121R",
.uid = 0x1410cb0,
.mask = 0xffffff0,
.features = PHY_GBIT_FEATURES,
.config = &m88e1121_config,
.startup = &genphy_startup,
.shutdown = &genphy_shutdown,
};
static struct phy_driver M88E1145_driver = {
.name = "Marvell 88E1145",
.uid = 0x1410cd0,
.mask = 0xffffff0,
.features = PHY_GBIT_FEATURES,
.config = &m88e1145_config,
.startup = &m88e1145_startup,
.shutdown = &genphy_shutdown,
};
static struct phy_driver M88E1149S_driver = {
.name = "Marvell 88E1149S",
.uid = 0x1410ca0,
.mask = 0xffffff0,
.features = PHY_GBIT_FEATURES,
.config = &m88e1149_config,
.startup = &m88e1011s_startup,
.shutdown = &genphy_shutdown,
};
static struct phy_driver M88E1518_driver = {
.name = "Marvell 88E1518",
.uid = 0x1410dd1,
.mask = 0xffffff0,
.features = PHY_GBIT_FEATURES,
.config = &m88e1518_config,
.startup = &m88e1011s_startup,
.shutdown = &genphy_shutdown,
};
static struct phy_driver M88E1310_driver = {
.name = "Marvell 88E1310",
.uid = 0x01410e90,
.mask = 0xffffff0,
.features = PHY_GBIT_FEATURES,
.config = &m88e1310_config,
.startup = &m88e1011s_startup,
.shutdown = &genphy_shutdown,
};
int phy_marvell_init(void)
{
phy_register(&M88E1310_driver);
phy_register(&M88E1149S_driver);
phy_register(&M88E1145_driver);
phy_register(&M88E1121R_driver);
phy_register(&M88E1118_driver);
phy_register(&M88E1118R_driver);
phy_register(&M88E1111S_driver);
phy_register(&M88E1011S_driver);
phy_register(&M88E1518_driver);
return 0;
}