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/*
* Marvell PHY drivers
*
* 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.
*
* This program is distributed in the hope that 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
* 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
/* 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
/* 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;
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, 0x1b);
reg = (reg & 0xfff0) | 0xb;
phy_write(phydev, MDIO_DEVAD_NONE, 0x1b, reg);
} else {
phy_write(phydev, MDIO_DEVAD_NONE, 0x1b, 0x1f);
}
phy_write(phydev, MDIO_DEVAD_NONE, 0x14, 0x0cd2);
genphy_config_aneg(phydev);
phy_reset(phydev);
return 0;
}
/* 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;
}
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 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,
};
int phy_marvell_init(void)
{
phy_register(&M88E1149S_driver);
phy_register(&M88E1145_driver);
phy_register(&M88E1121R_driver);
phy_register(&M88E1118_driver);
phy_register(&M88E1111S_driver);
phy_register(&M88E1011S_driver);
return 0;
}
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