hi Peter,
> If u-boot doesn't prod the ethernet (e.g. by tftping a random file), then
> it turns out that the ethernet doesn't work from within Linux.
I would guess that u-boot is not setting the ethernet MAC address in the
EMAC_SA registers. The Linux driver will refuse to open the device if
it does not have a valid MAC address.
You can verify this by looking at the boot messages. It probably shows:
eth0: AT91 ethernet at 0xfefbc000 int=24 100-FullDuplex (00:00:00:00:00:00)
Either u-boot needs to be modified to always configure the MAC address
(recommended method), or you need to change get_mac_address() in
at91_ether.c to get/set the MAC address using some other means.
Regards,
Andrew Victor
SAN People (Pty) Ltd.
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