[coreboot] run away pci scan

[Patrick Georgi]

Am Freitag, den 30.04.2010, 16:15 -0600 schrieb Marc Jones:
> I'm working with amd/mahogany_fam10 mainboard and having problems in
> ramstage. It is going through pci device scanning when it starts
> finding the same devices again and malloc memory until it dies. It
> also looks like it never goes down a bridge, always staying on bus0.
> The problem starts at CPU: APIC: 03, it starts scanning bus0 again.
We had that case happen when a bridge had a secondary bus ID of 0.
coreboot then enters the bridge, and starts again with the root bus.

This could also happen with other bus ids, but I guess 0 is the most
obvious contender for misbehaviour.


Patrick