Re: [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 :
> > 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 [e-mail] 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
> > [e-mail]
> > http://www.flashrom.org/mailman/listinfo/flashrom
>
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