[SeaBIOS] SeaBios for Stout Lenovo X131e chromebook

[Kevin O'Connor]

On Mon, Mar 10, 2014 at 09:49:59AM +0000, Inez G wrote:
> My apologies for posting, if this is the wrong forum.
> 
> I would like to add SeaBios to my coreboot.rom (google_stout.2817.52.0) for
> a Lenovo X131e chromebook (Celeron 1007u cpu, 4 GB ram, 8 MB Winbond bios
> flash chip).
> 
> I was thinking of building seabios using the repository at
> https://chromium.googlesource.com/chromiumos/third_party/seabios/+/master/src/
> and come up with a SeaBios.CBFS file as suggested in the 15th post in
> https://plus.google.com/117057264318218846563/posts/FXn39JtNUAa
> 
> Since the above article is for a Pixel chromebook, where would I
> insert/merge this SeaBios file with the backup.bin file that I read from the
> Winbond chip with
> flashrom -p internal -r backup.bin -o backup.log
> 
> The merged file would be "newrom.bin" which I can then hopefully write with
> 
> flashrom -w newrom.bin
> 
> In the linked article they suggested 
> flashrom -w image.rom -i RW_LEGACY
> but that is for the Pixel chromebook (which has the legacy boot).  
> 
> The Lenovo X131e does not have legacy boot (so there is no RW_LEGACY
> section, just "fallback/payload".  
> 
> Should I replace the "fallback/payload"section in my current backup.bin file
> with the new SeaBios??

Unfortunately, I'm not familiar with the Stout or Pixel boards.

You may wish to try on the coreboot list (coreboot at coreboot.org) as
there may be more people on that list with the given hardware.

-Kevin