On 30/09/11 12:39, nagabhushana.netagu...@ti.com wrote:
> From: Nagabhushana Netagunte <nagabhushana.netagu...@ti.com>
>
> da830 boards have mac address stored in I2C EEPROM. This patch
> adds support to restore mac address from EEPROM if environment variable
> 'ethaddr' is not set.
>
> Signed-off-by: Sudhakar Rajashekhara <sudhakar....@ti.com>
> Signed-off-by: Nagabhushana Netagunte <nagabhushana.netagu...@ti.com>
> ---
> board/davinci/da8xxevm/da830evm.c | 20 ++++++++++++++++++++
> include/configs/da830evm.h | 1 +
> 2 files changed, 21 insertions(+), 0 deletions(-)
>
> diff --git a/board/davinci/da8xxevm/da830evm.c
> b/board/davinci/da8xxevm/da830evm.c
> index 0650653..69ed293 100644
> --- a/board/davinci/da8xxevm/da830evm.c
> +++ b/board/davinci/da8xxevm/da830evm.c
> @@ -188,6 +188,26 @@ int board_init(void)
>
> #define PHY_SW_I2C_ADDR 0x5f /* Address of PHY on i2c bus */
>
> +int misc_init_r(void)
> +{
> + uint8_t eeprom_enetaddr[6];
> + uint8_t val[2];
> +
> + if (!eth_getenv_enetaddr("ethaddr", eeprom_enetaddr)) {
> + /* Read Ethernet MAC address from EEPROM if available. */
> + if (dvevm_read_mac_address(eeprom_enetaddr))
> + /* Set Ethernet MAC address from EEPROM */
> + davinci_sync_env_enetaddr(eeprom_enetaddr);
> + }
> +
> + val[0] = 0x01;
> + val[1] = 0x23;
> +
> + if (i2c_write(PHY_SW_I2C_ADDR, 0, 0, val, 2))
> + printf("Ethernet switch start failed!\n");
> +
> +}
> +
There is already code to do this, in the same file, in board_eth_init(). Why
the new code?
Nick.
> /*
> * Initializes on-board ethernet controllers.
> */
> diff --git a/include/configs/da830evm.h b/include/configs/da830evm.h
> index 66fdea2..a451513 100644
> --- a/include/configs/da830evm.h
> +++ b/include/configs/da830evm.h
> @@ -160,6 +160,7 @@
> /*
> * U-Boot general configuration
> */
> +#define CONFIG_MISC_INIT_R
> #undef CONFIG_USE_IRQ /* No IRQ/FIQ in U-Boot */
> #undef CONFIG_MISC_INIT_R
> #undef CONFIG_BOOTDELAY
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