Re: [coreboot] SVN Coreboot-v3 with SVN OpenBIOS payload panics on boot with qemu

[Mark Cave-Ayland]

Myles Watson wrote:
> It definitely narrows it down.  I'll have to look more closely at the IO
> space allocation differences between v2 and v3.
>
> I may have changed the IO allocation from 0x400 to 0x1000 in qemu.  In v3 I
> wanted them to all start at the same place.  In v2 it was dependent on the
> board.
>
> It looks like OpenBIOS is allocating address space for the devices and
> didn't want to allocate in the legacy PCI range.  I just don't see why that
> breaks anything unless they're running out of space somehow.  I wonder what
> arch->io_base is before they add 0x400 to it.
>
> Have you also asked about this change on the OpenBIOS list?

I have now. I've asked them to join onto this thread so we can all 
continue the discussion in one place.

Many thanks,

Mark.