[coreboot] [PATCH] flashrom: Detect non-ID responses
c-d.hailfinger.devel.2006 at gmx.net
Thu May 7 00:29:15 CEST 2009
On 07.05.2009 00:16, Carl-Daniel Hailfinger wrote:
> When flashrom JEDEC code sends the ID command to the chip, it expects to
> see IDs in the default flash location. However, sometimes the chip does
> not react to the ID command, either because it doesn't understand the
> command or because the command never reached it.
> One way to detect this is to compare ID output with flash chip contents
> for the same location. If they are identical, there is a high chance
> you're not actually seeing ID output. Warn the user in that case.
> Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006 at gmx.net>
Idwer Vollering tested the patch and it triggers each time the ID isn't
a real ID. Thanks!
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