[OpenBIOS] [coreboot] OpenBIOS SVN r416 breaks coreboot-v3

[Blue Swirl]

On 2/12/09, Mark Cave-Ayland <mark.cave-ayland at siriusit.co.uk> wrote:
> Blue Swirl wrote:
>
>
> > Thanks for testing, I applied the patch. Does this mean that QEMU SVN
> > (without any patches) can boot current Coreboot with OpenBIOS?
> >
>
>  Just a FYI: this still doesn't work with latest SVN
> Qemu/OpenBIOS/coreboot-v3 on x86_64. By adding some debug output in
> drivers/pci.c, I can see that io_base is now set to 0x1400 which must now
> clash with something else in Qemu.
>
>  Unfortunately I think that the reason I initially reported this worked was
> due to a local merge which I didn't notice in my local copy. However, I can
> get this to boot if I change the following line in drivers/pci.c from:
>
>  io_base = arch->io_base + 0x400;
>
>  to:
>
>  io_base = arch->io_base;
>
>  This drops io_base back down to 0x1000 and this seems good enough to allow
> Qemu to boot. So if this is required for PPC, perhaps one of the addresses
> in either the x86/PPC PCI address structure is wrong?

I'll try this change and test if it's OK for PPC.