diff options
Diffstat (limited to 'drivers/net/phy/aquantia.c')
| -rw-r--r-- | drivers/net/phy/aquantia.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/drivers/net/phy/aquantia.c b/drivers/net/phy/aquantia.c new file mode 100644 index 0000000..ef4da4e --- /dev/null +++ b/drivers/net/phy/aquantia.c @@ -0,0 +1,156 @@ +/* + * Aquantia PHY drivers + * + * SPDX-License-Identifier: GPL-2.0+ + * + * Copyright 2014 Freescale Semiconductor, Inc. + */ +#include <config.h> +#include <common.h> +#include <phy.h> + +#ifndef CONFIG_PHYLIB_10G +#error The Aquantia PHY needs 10G support +#endif + +#define AQUNTIA_10G_CTL 0x20 +#define AQUNTIA_VENDOR_P1 0xc400 + +#define AQUNTIA_SPEED_LSB_MASK 0x2000 +#define AQUNTIA_SPEED_MSB_MASK 0x40 + +int aquantia_config(struct phy_device *phydev) +{ + u32 val = phy_read(phydev, MDIO_MMD_PMAPMD, MII_BMCR); + + if (phydev->interface == PHY_INTERFACE_MODE_SGMII) { + /* 1000BASE-T mode */ + phydev->advertising = SUPPORTED_1000baseT_Full; + phydev->supported = phydev->advertising; + + val = (val & ~AQUNTIA_SPEED_LSB_MASK) | AQUNTIA_SPEED_MSB_MASK; + phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR, val); + } else if (phydev->interface == PHY_INTERFACE_MODE_XGMII) { + /* 10GBASE-T mode */ + phydev->advertising = SUPPORTED_10000baseT_Full; + phydev->supported = phydev->advertising; + + if (!(val & AQUNTIA_SPEED_LSB_MASK) || + !(val & AQUNTIA_SPEED_MSB_MASK)) + phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR, + AQUNTIA_SPEED_LSB_MASK | + AQUNTIA_SPEED_MSB_MASK); + } else if (phydev->interface == PHY_INTERFACE_MODE_SGMII_2500) { + /* 2.5GBASE-T mode */ + phydev->advertising = SUPPORTED_1000baseT_Full; + phydev->supported = phydev->advertising; + + phy_write(phydev, MDIO_MMD_AN, AQUNTIA_10G_CTL, 1); + phy_write(phydev, MDIO_MMD_AN, AQUNTIA_VENDOR_P1, 0x9440); + } else if (phydev->interface == PHY_INTERFACE_MODE_MII) { + /* 100BASE-TX mode */ + phydev->advertising = SUPPORTED_100baseT_Full; + phydev->supported = phydev->advertising; + + val = (val & ~AQUNTIA_SPEED_MSB_MASK) | AQUNTIA_SPEED_LSB_MASK; + phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR, val); + } + return 0; +} + +int aquantia_startup(struct phy_device *phydev) +{ + u32 reg, speed; + int i = 0; + + phydev->duplex = DUPLEX_FULL; + + /* if the AN is still in progress, wait till timeout. */ + phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1); + reg = phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1); + if (!(reg & MDIO_AN_STAT1_COMPLETE)) { + printf("%s Waiting for PHY auto negotiation to complete", + phydev->dev->name); + do { + udelay(1000); + reg = phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1); + if ((i++ % 500) == 0) + printf("."); + } while (!(reg & MDIO_AN_STAT1_COMPLETE) && + i < (4 * PHY_ANEG_TIMEOUT)); + + if (i > PHY_ANEG_TIMEOUT) + printf(" TIMEOUT !\n"); + } + + /* Read twice because link state is latched and a + * read moves the current state into the register */ + phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1); + reg = phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1); + if (reg < 0 || !(reg & MDIO_STAT1_LSTATUS)) + phydev->link = 0; + else + phydev->link = 1; + + speed = phy_read(phydev, MDIO_MMD_PMAPMD, MII_BMCR); + if (speed & AQUNTIA_SPEED_MSB_MASK) { + if (speed & AQUNTIA_SPEED_LSB_MASK) + phydev->speed = SPEED_10000; + else + phydev->speed = SPEED_1000; + } else { + if (speed & AQUNTIA_SPEED_LSB_MASK) + phydev->speed = SPEED_100; + else + phydev->speed = SPEED_10; + } + + return 0; +} + +struct phy_driver aq1202_driver = { + .name = "Aquantia AQ1202", + .uid = 0x3a1b445, + .mask = 0xfffffff0, + .features = PHY_10G_FEATURES, + .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS| + MDIO_MMD_PHYXS | MDIO_MMD_AN | + MDIO_MMD_VEND1), + .config = &aquantia_config, + .startup = &aquantia_startup, + .shutdown = &gen10g_shutdown, +}; + +struct phy_driver aq2104_driver = { + .name = "Aquantia AQ2104", + .uid = 0x3a1b460, + .mask = 0xfffffff0, + .features = PHY_10G_FEATURES, + .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS| + MDIO_MMD_PHYXS | MDIO_MMD_AN | + MDIO_MMD_VEND1), + .config = &aquantia_config, + .startup = &aquantia_startup, + .shutdown = &gen10g_shutdown, +}; + +struct phy_driver aqr105_driver = { + .name = "Aquantia AQR105", + .uid = 0x3a1b4a2, + .mask = 0xfffffff0, + .features = PHY_10G_FEATURES, + .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS| + MDIO_MMD_PHYXS | MDIO_MMD_AN | + MDIO_MMD_VEND1), + .config = &aquantia_config, + .startup = &aquantia_startup, + .shutdown = &gen10g_shutdown, +}; +int phy_aquantia_init(void) +{ + phy_register(&aq1202_driver); + phy_register(&aq2104_driver); + phy_register(&aqr105_driver); + + return 0; +} |