From: Manjunath Hadli <[email protected]> The AM18x EVM contains MAC address in I2C EEPROM. Introduced a new macro CONFIG_MAC_ADDR_IN_EEPROM to where to look for mac address. This patch reads MAC address from I2C EEPROM and updates environment variable.
Signed-off-by: Manjunathappa, Prakash <[email protected]> Signed-off-by: Manjunath Hadli <[email protected]> --- board/davinci/da8xxevm/da850evm.c | 10 +++++++++- include/configs/da850_am18xevm.h | 7 +++++++ 2 files changed, 16 insertions(+), 1 deletions(-) diff --git a/board/davinci/da8xxevm/da850evm.c b/board/davinci/da8xxevm/da850evm.c index 6aa76cb..f3e50f7 100644 --- a/board/davinci/da8xxevm/da850evm.c +++ b/board/davinci/da8xxevm/da850evm.c @@ -261,13 +261,15 @@ static void dspwake(void) int misc_init_r(void) { + uint8_t enetaddr[8]; uchar buff[8]; int ret; dspwake(); -#ifdef CONFIG_MAC_ADDR_IN_SPIFLASH +#if defined(CONFIG_MAC_ADDR_IN_SPIFLASH) || defined(CONFIG_MAC_ADDR_IN_EEPROM) if (!eth_getenv_enetaddr("ethaddr", buff)) { +#ifdef CONFIG_MAC_ADDR_IN_SPIFLASH ret = get_mac_addr(buff); if (ret != 0) return -EINVAL; @@ -278,6 +280,12 @@ int misc_init_r(void) } eth_setenv_enetaddr("ethaddr", buff); +#else + /* Read Ethernet MAC address from EEPROM */ + if (dvevm_read_mac_address(enetaddr)) + /* Set Ethernet MAC address from EEPROM */ + davinci_sync_env_enetaddr(enetaddr); +#endif } #endif return 0; diff --git a/include/configs/da850_am18xevm.h b/include/configs/da850_am18xevm.h index ee574da..7f88424 100644 --- a/include/configs/da850_am18xevm.h +++ b/include/configs/da850_am18xevm.h @@ -92,6 +92,12 @@ #define CONFIG_SYS_I2C_EXPANDER_ADDR 0x20 /* + * I2C EEPROM definitions EEPROM chip + */ +#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 +#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 + +/* * Flash & Environment */ #ifdef CONFIG_USE_NAND @@ -172,6 +178,7 @@ #define CONFIG_SYS_LONGHELP #define CONFIG_CRC32_VERIFY #define CONFIG_MX_CYCLIC +#define CONFIG_MAC_ADDR_IN_EEPROM /* * Linux Information -- 1.6.2.4 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
