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

Kevin O'Connor kevin at koconnor.net
Fri Dec 4 20:25:03 CET 2015


On Fri, Dec 04, 2015 at 07:08:50PM +0000, edward wandasiewicz wrote:
> On 4 Dec 2015 7:04 p.m., "Kevin O'Connor" <kevin at koconnor.net> wrote:
> >
> > 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,
> 
> This means use vgaroms/seavgabios.rom
> 
> and leave commented parts in a commented state - no need for
> pci8086,0a06.rom parts

Yes.

-Kevin



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