[coreboot] fixing i810 onboard vga
Carl-Daniel Hailfinger
c-d.hailfinger.devel.2006 at gmx.net
Fri Nov 7 22:53:08 CET 2008
On 07.11.2008 18:33, ron minnich wrote:
> On Fri, Nov 7, 2008 at 9:25 AM, Vincent Legoll <vincent.legoll at gmail.com> wrote:
>
>
>> What is to be validated ?
>>
>
> The tool can verify that the vendor/devid info in the room is even
> there (it is not in QEMU VGA BIOS) and then print the vendor/dev id,
> look it up, and print out what hardware that is.
>
> Obvious errors such as devid of 0 could be flagged.
>
>
>> Where would I find documentation about a BIOS specification
>> to validate option ROMs against ?
>>
>
> It's in the PCI spec. BUT: the PCI SIG STILL SUCKS: this stuff is not
> avalable to non-members even now. I just checked.
>
Older drafts may be available on the internet for free.
> Any PCI spec will show it. But you have to get one.
>
> Or you can cruise the pci rom bios code in coreboot -- it's pretty
> obvious what's going on there.
>
What about the following doc?
http://www.msc-ge.com/download/pc-system/ipc-produkte/pisa/VGA%20BIOS%20CT%2069030%20Ref-Guide.PDF
Regards,
Carl-Daniel
--
http://www.hailfinger.org/
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