diff options
Diffstat (limited to 'drivers/net/phy/marvell.c')
| -rw-r--r-- | drivers/net/phy/marvell.c | 367 |
1 files changed, 367 insertions, 0 deletions
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c new file mode 100644 index 0000000..bd1cdc4 --- /dev/null +++ b/drivers/net/phy/marvell.c @@ -0,0 +1,367 @@ +/* + * 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; +} |