Hi Giorgio,

On Sun, May 24, 2020 at 01:57:08PM +0200, Giorgio wrote:
> Hi,
> 
> I'm working with an arm som with an imx7d soc on it.
> The som also has an eeprom with some module specific manufacturer parameters
> like two MAC address, for eth0 and eth1, a module description string or a 
> module
> serial number.
> I've now added some code to my board.c to extract the strings from the eeprom 
> and now
> I need to actually configure the MAC addresses from them, to avoid barebox 
> choose
> random ones when it needs the eth's.

Use of_eth_register_ethaddr(). It will do two things for you. First it
will let the ethernet device come up with the right MAC address under
barebox. Also it will add the "mac-address" property to the device tree
passed to Linux.

Sascha


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