[ILUG] [TOTD] flash bios in linux

[Dave Airlie]

I've done this myself recently.. I just enabled the MTD device in my
kernel and wrote a little application that open /dev/mtdblock0 and writes
the BIOS into it ..

I also had to add some chip ids to the jedec_probe but thats because I was
using some non-intel chips..

Dave.

On Mon, 9 Aug 2004 P at draigBrady.com wrote:

> Today I wanted to flash my BIOS from linux.
> This was definitely not obvious to me so...
>
> I've an intel 82802AC chip and to write a new
> BIOS I tried in this order
>
> devbios (took ages to compile and could only read not write)
> http://linux.dell.com/biosdisk/ (seemed like too much hassle)
> linux-mtd (needed cvs which took more than my 10m limit to compile)
> dosemu (after zapping emm, xmms, dpmi, I still got protection errors)
>
> Then I noticed freebios. It supersedes openbios
> and is in active development. (Note I asked some
> questions on the openbios IRC channel and was
> not directed towards freebios?). Anyway you need
> to download the cvs tree, so:
>
> cvs -d:pserver:anonymous at cvs.sourceforge.net:/cvsroot/freebios login
> cvs -z3 -d:pserver:anonymous at cvs.sourceforge.net:/cvsroot/freebios co
> freebios/util/flash_and_burn
> cd freebios/util/flash_and_burn/ && make && strip flash_rom
>
> Now you can use the flash_rom binary to flash various BIOS.
> For me I did:
>
> flash_rom -c 82802ac bios.bin
>
>

-- 
David Airlie, Software Engineer
http://www.skynet.ie/~airlied / airlied at skynet.ie
pam_smb / Linux DECstation / Linux VAX / ILUG person