Help with a Winbond W25Q16

[iafdan]

Hi to the cool guys from Flashrom!

I'm trying to dump the contents of a Winbond W25Q16 using the command:
./flashrom -p ft2232_spi:type=232H,port=A -c W25Q16 -r dump.rom

I'm getting an error that:
This flash part has status NOT WORKING for operations...

However, when I do "flashrom -L" the W25Q16 chip, with the exact same ID
appears on the list.

Here's a verbose output:
https://paste.flashrom.org/view.php?id=3163

I also tried reading the chip without specifying the exact chip.

Many thanks!!

[David Hendricks]

Hi,
Thanks for posting the verbose output. It looks like the device ID bytes
are showing up inconsistently - Sometimes probe_spi_rdid_generic shows
0x4011 and sometimes 0x4015.

Often this indicates that your connection is bad or you are running the
programmer too fast. The output also shows:
MPSSE clock: 60.000000 MHz, divisor: 2, SPI clock: 30.000000 MHz

Try increasing the divisor value by passing it on the command-line as a
programmer parameter, e.g. `./flashrom -p
ft2232_spi:type=232H,port=A,divisor=16 -r dump.rom -V`

On Tue, Jan 8, 2019 at 4:30 AM iafdan  wrote:
> Hi to the cool guys from Flashrom!
>
> I'm trying to dump the contents of a Winbond W25Q16 using the command:
> ./flashrom -p ft2232_spi:type=232H,port=A -c W25Q16 -r dump.rom
>
> I'm getting an error that:
> This flash part has status NOT WORKING for operations...
>
> However, when I do "flashrom -L" the W25Q16 chip, with the exact same ID
> appears on the list.
>
> Here's a verbose output:
> https://paste.flashrom.org/view.php?id=3163
>
> I also tried reading the chip without specifying the exact chip.
>
> Many thanks!!
>
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