[U-Boot] at91sam9g20 MAC address in EEPROM?

[Reinhard Meyer]

Jim Sheldon wrote:
> Hello everyone,
>
> I am working on a product based on Atmel's sam9g20.  Atmel's flashing procedure stores the MAC address as a u-boot environment variable (ethaddr).
>
> We are not comfortable with storing the MAC address this way, and would rather keep it in EEPROM.  Does anyone have experience with this?
>   
You can just connect an I2C EEPROM (At24C64 or such), define the 
necessary macros to access it. An exampe how to special read and set 
environment you can find in board/emk/common/vpd.c.

Reinhard