diff options
Diffstat (limited to 'board/freescale/mpc8323erdb')
| -rw-r--r-- | board/freescale/mpc8323erdb/mpc8323erdb.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/board/freescale/mpc8323erdb/mpc8323erdb.c b/board/freescale/mpc8323erdb/mpc8323erdb.c index 88d5e8f..afc0eee 100644 --- a/board/freescale/mpc8323erdb/mpc8323erdb.c +++ b/board/freescale/mpc8323erdb/mpc8323erdb.c @@ -185,3 +185,37 @@ void ft_board_setup(void *blob, bd_t *bd) #endif } #endif + +#if defined(CFG_I2C_MAC_OFFSET) +int mac_read_from_eeprom(void) +{ + uchar buf[28]; + char str[18]; + int i = 0; + unsigned int crc = 0; + unsigned char enetvar[32]; + + /* Read MAC addresses from EEPROM */ + if (eeprom_read(CFG_I2C_EEPROM_ADDR, CFG_I2C_MAC_OFFSET, buf, 28)) { + printf("\nEEPROM @ 0x%02x read FAILED!!!\n", + CFG_I2C_EEPROM_ADDR); + } else { + if (crc32(crc, buf, 24) == *(unsigned int *)&buf[24]) { + printf("Reading MAC from EEPROM\n"); + for (i = 0; i < 4; i++) { + if (memcmp(&buf[i * 6], "\0\0\0\0\0\0", 6)) { + sprintf(str, + "%02X:%02X:%02X:%02X:%02X:%02X", + buf[i * 6], buf[i * 6 + 1], + buf[i * 6 + 2], buf[i * 6 + 3], + buf[i * 6 + 4], buf[i * 6 + 5]); + sprintf((char *)enetvar, + i ? "eth%daddr" : "ethaddr", i); + setenv((char *)enetvar, str); + } + } + } + } + return 0; +} +#endif /* CONFIG_I2C_MAC_OFFSET */ |