[flashrom] Chips requiring 12 volts on VPP for erase and write

Stefan Tauner stefan.tauner at alumni.tuwien.ac.at
Thu Aug 14 16:45:12 CEST 2014


On Thu, 14 Aug 2014 16:35:16 +0200
Daniele Forsi <dforsi at gmail.com> wrote:

> Hello,
> 
> I have an Intel P28F001 flash memory which flashrom knows as
> INTEL_28F001T and lists with .tested = TEST_OK_PR
> 
> I can confirm that reading works with -p internal but erasing and
> writing don't work because according to its datasheet it needs 12
> volts on VPP (min 11.4 max 12.6)
> 
> should this fact about 12V VPP recorded somewhere?
> 
> the same for the B variant (which I haven't got)

Yes, definitely. flashrom does not handle that yet explicitly. Maybe
there are some board enables that enable that on single boards, I dont
know... but there is nothing chip-specific AFAIK.
I'd suggest a new feature flag for that, what do you think Carl-Daniel?

-- 
Kind regards/Mit freundlichen Grüßen, Stefan Tauner




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