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| author | Simon Guinot <simon.guinot@sequanux.org> | 2011-11-08 11:31:14 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2011-12-06 23:59:30 +0100 |
| commit | 0bfb66b6d1497046aac9c4d61f4478a403659f5a (patch) | |
| tree | 7982cc5558e3d6e3ffe9b6c03db07fccc30e8be7 /board/LaCie | |
| parent | 35e3f6d7693fe11718850511ef729bf692c6260b (diff) | |
| download | talos-obmc-uboot-0bfb66b6d1497046aac9c4d61f4478a403659f5a.tar.gz talos-obmc-uboot-0bfb66b6d1497046aac9c4d61f4478a403659f5a.zip | |
netspace_v2: Read Ethernet MAC address from EEPROM
Signed-off-by: Simon Guinot <simon.guinot@sequanux.org>
Diffstat (limited to 'board/LaCie')
| -rw-r--r-- | board/LaCie/netspace_v2/netspace_v2.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/board/LaCie/netspace_v2/netspace_v2.c b/board/LaCie/netspace_v2/netspace_v2.c index 7c4b15ec47..6938a4370a 100644 --- a/board/LaCie/netspace_v2/netspace_v2.c +++ b/board/LaCie/netspace_v2/netspace_v2.c @@ -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; |
