[U-Boot] [PATCH v2] netspace_v2: Read Ethernet MAC address from EEPROM

[Simon Guinot]

Hi Prafulla,

On Tue, Nov 08, 2011 at 10:31:14PM +0100, Simon Guinot wrote:
> From: Simon Guinot <simon.guinot at sequanux.org>
> 
> Signed-off-by: Simon Guinot <simon.guinot at sequanux.org>
> ---
> 
> Changes in v2:
>  - fix asm-offsets.s removal
>  - make MAC address setup conditional to CONFIG_SYS_I2C_EEPROM_ADDR
> 
>  board/LaCie/netspace_v2/netspace_v2.c |   43 +++++++++++++++++++++++++++++++++
>  include/configs/netspace_v2.h         |    1 +
>  2 files changed, 44 insertions(+), 0 deletions(-)

Do you want me for some other modifications on this patch ?

Regards,

Simon

> 
> diff --git a/board/LaCie/netspace_v2/netspace_v2.c b/board/LaCie/netspace_v2/netspace_v2.c
> index 7c4b15e..6938a43 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;
> diff --git a/include/configs/netspace_v2.h b/include/configs/netspace_v2.h
> index bb27ed7..1ddf4b4 100644
> --- a/include/configs/netspace_v2.h
> +++ b/include/configs/netspace_v2.h
> @@ -87,6 +87,7 @@
>   * Ethernet Driver configuration
>   */
>  #ifdef CONFIG_CMD_NET
> +#define CONFIG_MISC_INIT_R /* Call misc_init_r() to initialize MAC address */
>  #define CONFIG_MVGBE_PORTS		{1, 0} /* enable port 0 only */
>  #define CONFIG_NETCONSOLE
>  #endif
> -- 
> 1.7.5.1
> 
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
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