[SeaBIOS] SeaBIOS recognising USB 3.0 on boot works - partly

Kevin O'Connor kevin at koconnor.net
Fri Dec 4 20:04:03 CET 2015


On Fri, Dec 04, 2015 at 06:36:18PM +0000, edward wandasiewicz wrote:
> @ John
> 
> Is the work on SeaVGABIOS for CBFS work under construction for the
> Broadwell based Pixel 2015?
> 
> Looking at Kevin's chromeimage.sh - showing relevant parts only
> 
> CBFSTOOL=cbfstool
> PAYLOAD=out/bios.bin.elf
> PAYLOADVGA=out/vgabios.bin
[...]
> #
> # Add SeaVGABIOS to CBFS
> #
> $ CBFSTOOL $CBFSFILE add -f $PAYLOADVGA -n vgaroms/seavgabios.rom -t optionrom
> 
> Question - if it is work under construction, the above may or may not
> show any VGA output? i.e. black screen
> 
> Or give it a whirl, and I may surprise myself?
> 
> Or stick with
> 
> ## Extract vgabios from SeaBIOS CBFS area of original image.
> 
> ORIGCBFSFILE=orig-seabios.cbfs
> 
> $ dd if=$ORIGIMAGE of=$ORIGCBFSFILE skip=2 bs=2M count=1 2> /dev/null
> 
> $ CBFSTOOL $ORIGCBFSFILE extract -n pci8086,0406.rom -f pci8086,0406.rom
> 
> $ CBFSTOOL $CBFSFILE add -f pci8086,0406.rom -n pci8086,0a06.rom -t optionrom

The logs you sent me seemed to indicate that SeaVGABIOS was running,
and thus you should use the steps above.

-Kevin



More information about the SeaBIOS mailing list