[flashrom] Support for AT25080

[Roy Krikke]

I know C coding and I also know some thing or two about hardware. But 
tip on how to add this specific device to flashrom are welcome.


On 18-3-2015 22:42, Idwer Vollering wrote:
> 2015-03-18 22:24 GMT+01:00 Roy Krikke <roykrikke at gmail.com>:
>> Hello,
>>
>> I have compiled the latest version of flashrom (flashrom v0.9.8-r1887) and
>> hoped to flash my AT25080. But without suc6.
> flashrom does not (yet) support this chip. We like patches :)
>
>> I have connected a new AT25080 to a Raspberry Pi and hoped to flash the
>> device with in system programming (ISP) mode.
>>
>> First erasing the device with sudo flashrom -E -V -p
>> linux_spi:dev=/dev/spidev0.0
> The command line command looks just fine, but flashrom doesn't support
> this particular flash chip,
>
>> No luke :(
>>
>> snapshot of flashrom below:
>> Probing for Generic unknown SPI chip (RDID), 0 kB: RDID byte 0 parity
>> violation. probe_spi_rdid_generic: id1 0x00, id2 0x00
>> Found Generic flash chip "unknown SPI chip (RDID)" (0 kB, SPI) on linux_spi.
>> Probing for Generic unknown SPI chip (REMS), 0 kB: probe_spi_rems: id1 0x0,
>> id2 0x0
>> Found Generic flash chip "unknown SPI chip (RDID)" (0 kB, SPI).
>> ===
>> This flash part has status NOT WORKING for operations: PROBE READ ERASE
>> WRITE
>> The test status of this chip may have been updated in the latest development
>> version of flashrom. If you are running the latest development version,
>> please email a report to flashrom at flashrom.org if any of the above
>> operations
>> work correctly for you with this flash chip. Please include the flashrom log
>> file for all operations you tested (see the man page for details), and
>> mention
>> which mainboard or programmer you tested in the subject line.
>> Thanks for your help!
>> Read is not working on this chip. Aborting.
>>
>> Any kind of help is welcome, tips on how best to proceed!
>>
>>
>> Thank you very much,
>>
>> Roy
>>
>>
>>
>> My previous post
>> --------------------------------------------------------------------------------
>> Hello,
>>
>> Is there support for the AT25080B device from ATMEL? It is not in the
>> supported device list.
>>
>> http://www.atmel.com/Images/Atmel-5228-SEEPROM-AT25080B-160B-Datasheet.pdf
>>
>> Need to flash the AT25080B which is connected to a 82574L from intel. There
>> are two 82574L with two AT25080B on my board. If I read from the first
>> AT25080B the data is fine and I can also flash is. But the second one is not
>> working at all.
>>
>> I compared/checked the SPI communication of the first one with the second
>> one. This looks the same. So I thought maybe the second AT25080B is broken.
>> After replacing it, still the same result.
>>
>> I hope to get is to work if I could flash is not by the SPI interface of the
>> 82574L, but by an in system programming (ISP). Example shown in
>> http://satxhackers.org/wp/hack-content/uploads/2013/04/rPI_flashrom.pdf
>>
>> Any kind of help is welcome.
>>
>> Thanks,
>>
>> Roy
>>
>>
>>
>>
>> _______________________________________________
>> flashrom mailing list
>> flashrom at flashrom.org
>> http://www.flashrom.org/mailman/listinfo/flashrom
> _______________________________________________
> flashrom mailing list
> flashrom at flashrom.org
> http://www.flashrom.org/mailman/listinfo/flashrom