[LinuxBIOS] VGA support

Li-Ta Lo ollie at lanl.gov
Mon Aug 29 06:19:15 CEST 2005

On Fri, 2005-08-26 at 17:22 -0400, Stephen.Kimball at bench.com wrote:
> 2)       I’d suggest the VGA Support page have a reference to the
> FreeVGA article.

I will try to do that. The VGA support page on the wiki was half done.
I was interrupted when I modifying the page and never have time to
finish it.

> 3)       The VGA support page should have a suggestion to check to see
> that PCI bridges are set to enable forwarding of VGA memory mapped
> I/O.

Isn't it been build into the device enumeration code? Isn't the code
in allocate_vga_resource sufficient?

> 4)       I needed to change src/devices/pci_rom.c in pci_rom_load() at
> about line 88 to force the VGA ROM to be copied to
> PCI_VGA_RAM_IMAGE_START (0xC0000).  The rom_data->class_hi test failed
> when it shouldn’t have?

What VGA are you using? Is it reporting wrong class code?

Is it the case that 4) failed so 3)failed too?

> The VGA support is very cool.  Thanks to all who made it work.

Do you have any patch that have to be commit to the tree?
Li-Ta Lo <ollie at lanl.gov>
Los Alamos National Lab

More information about the coreboot mailing list