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netspace_v2: Read Ethernet MAC address from EEPROM

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Signed-off-by: Simon Guinot <simon.guinot@sequanux.org>
This commit is contained in:
Simon Guinot 2011-11-08 11:31:14 +00:00 committed by Albert ARIBAUD
parent 35e3f6d769
commit 0bfb66b6d1
2 changed files with 44 additions and 0 deletions
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43
board/LaCie/netspace_v2/netspace_v2.c
View File

@ -24,6 +24,7 @@
#include <miiphy.h>
#include <netdev.h>
#include <command.h>
#include <i2c.h>
#include <asm/arch/cpu.h>
#include <asm/arch/kirkwood.h>
#include <asm/arch/mpp.h>
@ -89,6 +90,48 @@ int board_init(void)
return 0;
}
int misc_init_r(void)
{
#if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
if (!getenv("ethaddr")) {
ushort version;
uchar mac[6];
int ret;
/* 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, 6);
if (ret != 0) {
printf("Error: failed to read I2C EEPROM @%02x\n",
CONFIG_SYS_I2C_EEPROM_ADDR);
return ret;
}
eth_setenv_enetaddr("ethaddr", mac);
}
#endif /* CONFIG_CMD_I2C && CONFIG_SYS_I2C_EEPROM_ADDR */
return 0;
}
void mv_phy_88e1116_init(char *name)
{
u16 reg;

1
include/configs/netspace_v2.h
View File

@ -87,6 +87,7 @@
* Ethernet Driver configuration
*/
#ifdef CONFIG_CMD_NET
#define CONFIG_MISC_INIT_R /* Call misc_init_r() to initialize MAC address */
#define CONFIG_MVGBE_PORTS {1, 0} /* enable port 0 only */
#define CONFIG_NETCONSOLE
#endif