[flashrom] Re: Fail on CHIP "W25Q256.V"

[Mike Banon]

Please check the possible failure reasons that aren't a fault of flashrom:
1) old flashrom version. Compile the latest version from the source code
2) unreliable connection or too long cables between a flasher and a chip

On Fri, Nov 20, 2020 at 3:18 AM Igor Omelchenko  wrote:
> Adding logs.
>
> ср, 18 нояб. 2020 г. в 09:00, Igor Omelchenko :
> > Hello!
> >
> > Tried to flash BIOS on "W25Q256.V" chip, got below  errors:
> >  (Tried with 24-45k spispeed. tried with -n and without -n)
> > Thanks for your amazing work!
> >
> > squid@squid:~$ sudo flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=24000 -n -w  /squid/Squid/Files/SES5_000000_2020WW45.1.01.bin
> > flashrom  on Linux 4.14.108-ti-r137 (armv7l)
> > flashrom is free software, get the source code at https://flashrom.org
> >
> > Using clock_gettime for delay loops (clk_id: 1, resolution: 1ns).
> > Found Winbond flash chip "W25Q256.V" (32768 kB, SPI) on linux_spi.
> > Reading old flash chip contents... done.
> > Erasing and writing flash chip... FAILED at 0x00000002! Expected=0xff, Found=0x7f, failed byte count from 0x00000000-0x00000fff: 0xffc
> > ERASE FAILED!
> > Reading current flash chip contents... done. Looking for another erase function.
> > FAILED at 0x00000002! Expected=0xff, Found=0x7f, failed byte count from 0x00000000-0x00007fff: 0x7fee
> > ERASE FAILED!
> > Reading current flash chip contents... done. Looking for another erase function.
> > FAILED at 0x00000002! Expected=0xff, Found=0x7f, failed byte count from 0x00000000-0x0000ffff: 0xffde
> > ERASE FAILED!
> > Reading current flash chip contents... done. Looking for another erase function.
> > FAILED at 0x00000002! Expected=0xff, Found=0x7f, failed byte count from 0x00000000-0x01ffffff: 0x1ffbf90
> > ERASE FAILED!
> > Reading current flash chip contents... done. Looking for another erase function.
> > FAILED at 0x00000002! Expected=0xff, Found=0x7f, failed byte count from 0x00000000-0x01ffffff: 0x1ffbe3a
> > ERASE FAILED!
> > Reading current flash chip contents... done. Looking for another erase function.
> > Looking for another erase function.
> > Looking for another erase function.
> > No usable erase functions left.
> > FAILED!
> > Uh oh. Erase/write failed. Checking if anything has changed.
> > Reading current flash chip contents... done.
> > Apparently at least some data has changed.
> > Your flash chip is in an unknown state.
> > Please report this on IRC at chat.freenode.net (channel #flashrom) or
> > mail [e-mail], thanks!