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/*
* 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,
};
struct phy_driver aqr106_driver = {
.name = "Aquantia AQR106",
.uid = 0x3a1b4d0,
.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 aqr107_driver = {
.name = "Aquantia AQR107",
.uid = 0x3a1b4e0,
.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 aqr405_driver = {
.name = "Aquantia AQR405",
.uid = 0x3a1b4b2,
.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);
phy_register(&aqr106_driver);
phy_register(&aqr107_driver);
phy_register(&aqr405_driver);
return 0;
}
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