[LinuxBIOS] Flashrom: support for At29C010A added.

[Peter Lemenkov]

Hello All!
Very simple patch - easy to review. Unfortunately I still not tested
it on real hardware (due to lack of AT-power supply).

[Uwe Hermann]

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.

[Idwer Vollering]

> Date: Sun, 7 Oct 2007 16:20:09 +0200
> From: [e-mail]
> To: [e-mail]
> CC: [e-mail]
> 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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[Uwe Hermann]

On Sun, Oct 07, 2007 at 03:50:03PM +0000, Idwer Vollering wrote:
> Reading the content of at29c010a works (at29c010a-128BK.bios), reflashing doesn't.. maybe it is self-protected ?

Can you read/write other recognized chips on the same mainboard? If no,
then it's quite likely to be a mainboard/chipset issue.
> $ 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

This looks good I think, the chip is recognized,
so I guess we can commit.

Uwe.

[Idwer Vollering]

> Date: Sun, 7 Oct 2007 21:52:06 +0200
> From: [e-mail]
> To: [e-mail]
> CC: [e-mail]; [e-mail]
> Subject: Re: [LinuxBIOS] Flashrom: support for At29C010A added.
>
> On Sun, Oct 07, 2007 at 03:50:03PM +0000, Idwer Vollering wrote:
> > Reading the content of at29c010a works (at29c010a-128BK.bios), reflashing doesn't.. maybe it is self-protected ?
>
> Can you read/write other recognized chips on the same mainboard? If no,
> then it's quite likely to be a mainboard/chipset issue.

Yes, however i don't have a different mainboard with a non-82801 chipset (440bx / asus p2b is the mainboard i tried flashing the at29c010 on) that has a dip-socket and a supported chipset..
> > $ 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
>
> This looks good I think, the chip is recognized,
> so I guess we can commit.
> Uwe.
>
> http://www.hermann-uwe.de  | http://www.holsham-traders.de
> http://www.crazy-hacks.org | http://www.unmaintained-free-software.org

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