diff options
| -rw-r--r-- | board/freescale/mpc8323erdb/mpc8323erdb.c | 34 | ||||
| -rw-r--r-- | include/configs/MPC8323ERDB.h | 10 | ||||
| -rw-r--r-- | lib_ppc/board.c | 2 |
3 files changed, 43 insertions, 3 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 */ diff --git a/include/configs/MPC8323ERDB.h b/include/configs/MPC8323ERDB.h index 65f829d..92d7aa4 100644 --- a/include/configs/MPC8323ERDB.h +++ b/include/configs/MPC8323ERDB.h @@ -323,8 +323,11 @@ /* * Config on-board EEPROM */ -#define CFG_I2C_EEPROM_ADDR 0x50 -#define CFG_I2C_EEPROM_ADDR_LEN 2 +#define CFG_I2C_EEPROM_ADDR 0x50 +#define CFG_I2C_EEPROM_ADDR_LEN 2 +#define CFG_EEPROM_PAGE_WRITE_BITS 6 +#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 +#define CFG_EEPROM_PAGE_WRITE_ENABLE /* * General PCI @@ -549,6 +552,9 @@ #define CONFIG_HAS_ETH1 /* add support for "eth1addr" */ #define CONFIG_ETH1ADDR 00:04:9f:ef:03:02 +/* use mac_read_from_eeprom() to read ethaddr from I2C EEPROM (see CFG_I2C_EEPROM) */ +#define CFG_I2C_MAC_OFFSET 0x7f00 /* MAC address offset in I2C EEPROM */ + #define CONFIG_IPADDR 10.0.0.2 #define CONFIG_SERVERIP 10.0.0.1 #define CONFIG_GATEWAYIP 10.0.0.1 diff --git a/lib_ppc/board.c b/lib_ppc/board.c index 3038302..50cdf8c 100644 --- a/lib_ppc/board.c +++ b/lib_ppc/board.c @@ -876,7 +876,7 @@ void board_init_r (gd_t *id, ulong dest_addr) sc3_read_eeprom(); #endif -#ifdef CFG_ID_EEPROM +#if defined (CFG_ID_EEPROM) || defined (CFG_I2C_MAC_OFFSET) mac_read_from_eeprom(); #endif |