[flashrom] N25Q128 and EliteBook

[Vasiliy Vylegzhanin]

Full write log attached.

On Wed, Mar 20, 2013 at 7:07 PM, Vasiliy Vylegzhanin
<coder at npo-echelon.ru> wrote:
> On Tue, Mar 19, 2013 at 9:33 PM, Stefan Tauner
> <stefan.tauner at student.tuwien.ac.at> wrote:
>> On Tue, 19 Mar 2013 21:12:55 +0400
>> Vasiliy Vylegzhanin <coder at npo-echelon.ru> wrote:
>>
>>> Hi!
>>>
>>> I've got HP EliteBook 9470m, which contains (according to ID, didn't check)
>>> Numonyx N25Q128. So I added this chip to flashrom, but anything except
>>> probe fails with transaction error:
>>>
>>> Reading flash... Transaction error!
>>> SSFS: SCIP=0, FDONE=1, FCERR=1, AEL=0
>>> SSFC: SCGO=0, ACS=0, SPOP=0, COP=1, DBC=63, SME=0, SCF=4
>>> Running OPCODE 0x03 failed at address 0x003000 (payload length was 64).
>>> Read operation failed!
>>>
>>>  Can anything be done here? Logs attached. Patch (dirty) below.
>>
>> Hi,
>>
>> the transaction error comes from the chipset configuration which
>> read-protects the ME region and has nothing to do with the flash
>> chip/your patch. Please search the mailing list archive and take a look
>> at the Documentation directory of flashrom regarding problems with the
>> locked ME region. Short answer: if you need to access the whole chip,
>> use an external programmer.
>> There is a hard coded override in some HP firmwares that might be worth
>> a try before that, try win, left arrow, right arrow (all at once i
>> think) as you turn on the laptop.
>>
>> Thanks very much for showing your patch. No need to clean it up and
>> submit it again though, because we are working on our own version
>> already, see also
>> http://patchwork.coreboot.org/patch/3652/
>> Sorry for not having it integrated already :)
>> --
>> Kind regards/Mit freundlichen Grüßen, Stefan Tauner
>>
>
> Well, I've tried to read only BIOS region (ported patch 3 from
> http://patchwork.coreboot.org/user/bundle/37/) and succeeded.
> But erase operation fails with transaction error:
>
> Erasing and writing flash chip... Trying erase function 0...
> 0x000000-0x000fff:S, <snip> 0xd3e000-0xd3efff:S,
> 0xd3f000-0xd3ffff:ETransaction error!
> SSFS: SCIP=0, FDONE=1, FCERR=1, AEL=0
> SSFC: SCGO=0, ACS=1, SPOP=0, COP=4, DBC=0, SME=0, SCF=4
> Running OPCODE 0x20 failed at address 0xd3f000 (payload length was 0).
> spi_block_erase_20 failed during command execution at address 0xd3f000
>
> Is it chip or laptop issue?
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