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/*
* drivers/net/phy/at803x.c
*
* Driver for Atheros 803x PHY
*
* Author: Matus Ujhelyi <ujhelyi.m@gmail.com>
*
* 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.
*/
#include <common.h>
#include <init.h>
#include <linux/phy.h>
#include <linux/string.h>
#define AT803X_INTR_ENABLE 0x12
#define AT803X_INTR_STATUS 0x13
#define AT803X_WOL_ENABLE 0x01
#define AT803X_DEVICE_ADDR 0x03
#define AT803X_LOC_MAC_ADDR_0_15_OFFSET 0x804C
#define AT803X_LOC_MAC_ADDR_16_31_OFFSET 0x804B
#define AT803X_LOC_MAC_ADDR_32_47_OFFSET 0x804A
#define AT803X_MMD_ACCESS_CONTROL 0x0D
#define AT803X_MMD_ACCESS_CONTROL_DATA 0x0E
#define AT803X_FUNC_DATA 0x4003
#define AT803X_DEBUG_ADDR 0x1D
#define AT803X_DEBUG_DATA 0x1E
#define AT803X_DEBUG_SYSTEM_MODE_CTRL 0x05
#define AT803X_DEBUG_RGMII_TX_CLK_DLY (1 << 8)
static int at803x_config_init(struct phy_device *phydev)
{
int ret;
ret = genphy_config_init(phydev);
if (ret < 0)
return ret;
if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
ret = phy_write(phydev, AT803X_DEBUG_ADDR,
AT803X_DEBUG_SYSTEM_MODE_CTRL);
if (ret)
return ret;
ret = phy_write(phydev, AT803X_DEBUG_DATA,
AT803X_DEBUG_RGMII_TX_CLK_DLY);
if (ret)
return ret;
}
return 0;
}
static struct phy_driver at803x_driver[] = {
{
/* ATHEROS 8035 */
.phy_id = 0x004dd072,
.phy_id_mask = 0xffffffef,
.drv.name = "Atheros 8035 ethernet",
.config_init = at803x_config_init,
.features = PHY_GBIT_FEATURES,
.config_aneg = &genphy_config_aneg,
.read_status = &genphy_read_status,
}, {
/* ATHEROS 8030 */
.phy_id = 0x004dd076,
.phy_id_mask = 0xffffffef,
.drv.name = "Atheros 8030 ethernet",
.config_init = at803x_config_init,
.features = PHY_GBIT_FEATURES,
.config_aneg = &genphy_config_aneg,
.read_status = &genphy_read_status,
}, {
/* ATHEROS 8031 */
.phy_id = 0x004dd074,
.phy_id_mask = 0xffffffef,
.drv.name = "Atheros 8031 ethernet",
.config_init = at803x_config_init,
.features = PHY_GBIT_FEATURES,
.config_aneg = &genphy_config_aneg,
.read_status = &genphy_read_status,
} };
static int atheros_phy_init(void)
{
return phy_drivers_register(at803x_driver,
ARRAY_SIZE(at803x_driver));
}
fs_initcall(atheros_phy_init);
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