Hello Attila,
Thank you so much for reporting all the testing details and logs, this is very useful!
Is this your patch that you sent some time ago https://review.coreboot.org/c/flashrom/+/86085 ? I was wondering why you disappear after sending the patch :)
There are two things in your message:
1) You have successfully tested W25Q256JV_Q which previously has untested status. I updated the test status of this chip and added a Tested-by tag with your name, are you alright with that? Hopefully yes, if you could +1 the patch https://review.coreboot.org/c/flashrom/+/87459 it would be great! I copied your name and email from your patch that you sent earlier, see below:
2) About your earlier patch https://review.coreboot.org/c/flashrom/+/86085 what do you think can it be useful for other people (flashrom users) too? I understand that you needed a longer delay in your setup, this could be a programmer param to customise the delay - depending on how unique or common this setup is.
[ I tried to ask merge request via Jenkins, but it was too complicated for modify one char in the source ;-) ]
You created the patch successfully! :) But then, we always have code reviews and sometimes a patch can be modified in the process of review.
On Fri, Apr 25, 2025 at 8:32 PM works@veghelyiattila.hu wrote:
hi,
I checked the PROBE - READ - ERASE - WRITE operations of the W25Q256JV_Q flash with J-Link and CH341 spi writers. the flashrom version was the newest development release at 2025-04-14 (#4d4688ccf132c580107b013d2d929a0816aa89c1) I made a little modification in the 'jlink_spi.c' source, because I use the power supply from the J-Link device pin 19. this power is 5V, I put a 3.3V LDO (HT7333) after it, and this LDO (and decoupling capacitors) need more time to fix output voltage. I attached the patch file. [ I tried to ask merge request via Jenkins, but it was too complicated for modify one char in the source ;-) ]
my flash type was Winbond 25Q256JVEQ, which recognized by flashrom to W25Q256JV_Q or W25Q256FV, both type probed, read, wrote, erased, both modality worked fine.
regards,
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