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/*
* Copyright (C) 2011 Simon Guinot <sguinot@lacie.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 <i2c.h>
#include <miiphy.h>
#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
#define MV88E1116_LED_FCTRL_REG 10
#define MV88E1116_CPRSP_CR3_REG 21
#define MV88E1116_MAC_CTRL_REG 21
#define MV88E1116_PGADR_REG 22
#define MV88E1116_RGMII_TXTM_CTRL (1 << 4)
#define MV88E1116_RGMII_RXTM_CTRL (1 << 5)
void mv_phy_88e1116_init(const char *name)
{
u16 reg;
u16 devadr;
if (miiphy_set_current_dev(name))
return;
/* command to read PHY dev address */
if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
printf("Err..(%s) could not read PHY dev address\n", __func__);
return;
}
/*
* Enable RGMII delay on Tx and Rx for CPU port
* Ref: sec 4.7.2 of chip datasheet
*/
miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, ®);
reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
/* reset the phy */
miiphy_reset(name, devadr);
printf("88E1116 Initialized on %s\n", name);
}
#endif /* CONFIG_CMD_NET && CONFIG_RESET_PHY_R */
#if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
int lacie_read_mac_address(uchar *mac_addr)
{
int ret;
ushort version;
/* I2C-0 for on-board EEPROM */
i2c_set_bus_num(0);
/* Check layout version for EEPROM data */
ret = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0,
CONFIG_SYS_I2C_EEPROM_ADDR_LEN,
(uchar *) &version, 2);
if (ret != 0) {
printf("Error: failed to read I2C EEPROM @%02x\n",
CONFIG_SYS_I2C_EEPROM_ADDR);
return ret;
}
version = be16_to_cpu(version);
if (version < 1 || version > 3) {
printf("Error: unknown version %d for EEPROM data\n",
version);
return -1;
}
/* Read Ethernet MAC address from EEPROM */
ret = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 2,
CONFIG_SYS_I2C_EEPROM_ADDR_LEN, mac_addr, 6);
if (ret != 0)
printf("Error: failed to read I2C EEPROM @%02x\n",
CONFIG_SYS_I2C_EEPROM_ADDR);
return ret;
}
#endif /* CONFIG_CMD_I2C && CONFIG_SYS_I2C_EEPROM_ADDR */
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