[U-Boot-Users] Ethernet and detecting MAC addresses

Wolfgang Denk wd at denx.de
Wed Apr 7 15:09:30 CEST 2004


In message <4073E36C.8000901 at mpc-data.co.uk> you wrote:
> AFAICT from the source I'm using (1.0.2) none of the ethernet drivers
> bother with detecting their own MAC address (if available) and rather 

Please explain what you mean by ".drivers...their own MAC address".

A driver does not have any MAC address.

Some ethernet devices may have persistent storage for a MAC  address,
but most of them (especially those in embedded processors) don't.

> rely on hard/soft coded addresses. Is this an intentional by design, or
> just something unimplemented as yet? If this is something I can implement

It is intentional and necessary be design, because there simple  _is_
_no_ stored MAC address anywhere around.

> for our board here, does anyone have pointers for where is best to splice 
> it in without upsetting anyone? :-) I already have a really untidy rough 

Read the README, which documents what is beind done now,  and  follow
the  existing  design rules (see section "Note for Redundant Ethernet
Interfaces").


Best regards,

Wolfgang Denk

-- 
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
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