Re: [flashrom] Macronix MX23L6454 probe/read success (buspirate_spi)

[Stefan Tauner]

On Sat, 14 Mar 2015 14:40:37 +0000
Steven Honeyman  wrote:
> On 8 March 2015 at 04:48, Steven Honeyman  wrote:
> > On 8 March 2015 at 00:46, Steven Honeyman  wrote:
> >
> > ...ok definitely a false positive on the "works OK" status!
> > 3rd resolder, 8th read attempt now. I haven't got two matching files
> > yet. It keeps missing chunks out, at regular intervals, but different
> > positions each time.
> >
> > I'm happy to upload/send the files & logs somewhere if they'd be useful to you?
> >
> > Tomorrow I'll try and find something else that will recognise & read
> > this. The chip came from a working board so I know the ROM is good.
>
> OK, I finally got chance to make a little adapter board for
> buspirate->soic16 spi... success!
> It would seem that a set of ~20cm BP wires are too long for this to
> work reliably, because with the adapter it worked first/every time:
>
> (the two other identical files came from a 'universal programmer' and
> its own software)
> […]
> Found Macronix flash chip "MX23L6454" (8192 kB, SPI).
> This chip's main memory can not be erased/written by design.
> ===
> This flash part has status UNTESTED for operations: PROBE READ
> 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!
> Reading flash... done.
> Raw bitbang mode version 1
> Bus Pirate shutdown completed.
>
> $ md5sum *.bin*
> 6d7cf06448bd5ea941a4b458b6067e5f  25l6445.bin
> 6d7cf06448bd5ea941a4b458b6067e5f  25l6465.bin
> 6d7cf06448bd5ea941a4b458b6067e5f  flashrom_mx23l6454.bin
> 6d7cf06448bd5ea941a4b458b6067e5f  flashrom_mx23l6454.bin2

Thanks for the update.
I have marked the flash chip as tested and will commit that later
together with other small changes.