[LinuxBIOS] Flashrom: support for At29C010A added.

Idwer Vollering idwer_v at hotmail.com
Sun Oct 7 17:50:03 CEST 2007




> Date: Sun, 7 Oct 2007 16:20:09 +0200
> From: uwe at hermann-uwe.de
> To: lemenkov at gmail.com
> CC: linuxbios at linuxbios.org
> Subject: Re: [LinuxBIOS] Flashrom: support for At29C010A added.
> 
> On Sun, Oct 07, 2007 at 03:22:24PM +0400, Peter Lemenkov wrote:
> > Very simple patch - easy to review. Unfortunately I still not tested
> > it on real hardware (due to lack of AT-power supply).
> 
> Looks good, but please report with a Signed-off-by, see
> http://linuxbios.org/index.php/Development_Guidelines#Sign-off_Procedure
> 
> Can you test this soonish on hardware or can someone else on the list
> test it?
> 
> 
> Thanks, Uwe.
> -- 
> http://www.hermann-uwe.de  | http://www.holsham-traders.de
> http://www.crazy-hacks.org | http://www.unmaintained-free-software.org

Reading the content of at29c010a works (at29c010a-128BK.bios), reflashing doesn't.. maybe it is self-protected ?

$ sudo ./flashrom -V -v -w at29c010a-128KB.bios
(..)
Probing for At29C010A, 128 KB
probe_jedec: id1 0x1f, id2 0xd5
AT29C010A found at physical address: 0xfffe0000
Flash part is At29C010A (128 KB)
Flash image seems to be a legacy BIOS. Disabling checks.
Programming Page: 1023 at address: 0x0001ff80
Verifying flash address: 0x00000000 - FAILED

Maybe it needs to be erased first:
$ sudo ./flashrom -V -v -w at29c010a-128KB.bios

(..)

Probing for At29C010A, 128 KB

probe_jedec: id1 0x1f, id2 0xd5

AT29C010A found at physical address: 0xfffe0000

Flash part is At29C010A (128 KB)
Erasing flash chip

Flash after erase:

$ sudo ./flashrom -V -v -w at29c010a-128KB.bios

(..)

Probing for At29C010A, 128 KB

probe_jedec: id1 0x1f, id2 0xd5

AT29C010A found at physical address: 0xfffe0000

Flash part is At29C010A (128 KB)

Flash image seems to be a legacy BIOS. Disabling checks.

Programming Page: 1023 at address: 0x0001ff80

Verifying flash address: 0x00000000 - FAILED
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