[coreboot] Serengeti VGA
Marc Jones
Marc.Jones at amd.com
Mon Oct 20 21:48:41 CEST 2008
Myles Watson wrote:
> I've been trying to make the configuration spaces match between v2 and v3.
> The biggest difference left is the disabled/hidden devices which are not
> hidden in v3.
>
> Any chance that's causing the problem?
>
> I've also been trying to figure out where the legacy IO space (e.g. 0x3d4)
> gets routed to the card. Does this happen automatically because the VGA bit
> is set in the bridge?
>
Yes, The vga bit on the subtractive bridge routes the graphics io.
How did you work around the vm86 problem? Did the graphics command
register get re-enabled?
Marc
--
Marc Jones
Senior Firmware Engineer
(970) 226-9684 Office
mailto:Marc.Jones at amd.com
http://www.amd.com/embeddedprocessors
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