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

Kevin O'Connor kevin at koconnor.net
Fri Dec 4 20:01:02 CET 2015


On Fri, Dec 04, 2015 at 05:50:29PM +0000, edward wandasiewicz wrote:
> Looking at the output from Googles ChromeOS shell-ball, I do:
> 
> Write the hardware ID to get future ChromeOS updates
> 
> $ ./gbb_utility --set --hwid="SAMUS XXX-YYY-ZZZ" bios.bin bios.hwid.bin
> 
> # dd out 2 megs of the ROM at 4 megs in
> 
> $ dd bs=1M skip=4 count=2 if=bios.hwid.bin of=rwlegacy.cbfs
> 
> Using the flashrom from John's site as upstream doesn't know anything about
> flashmap.
> 
> $ wget https://johnlewis.ie/Chromebook-ROMs/utils/flashrom -O
> flashrom.jlewis
> 
> $ sudo ./flashrom.jlewis -w -i RW_LEGACY:rwlegacy.cbfs
> 
> Looking at your script, ORIGIMAGE is my bios.hwid.bin
> 
> Do I run flashrom from the shell-ball
> 
> $ sudo flashrom -w ./newimage.rom -i RW_LEGACY
> 
> Or John Lewis flashrom
> 
> $ sudo flashrom.jlewis.version -w ./newimage.rom -i RW_LEGACY

I would guess that either would work.  Upstream flashrom is likely not
going to work (if it doesn't support flashmap).  As long as the
flashrom does support flashmap, then it should work.  (No guarantees.)

-Kevin



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