Problem with cfi_probe.c and Intel chip
jonas.holmberg at axis.com
Fri Jan 11 02:57:58 EST 2002
On Thu, 2002-01-10 at 23:47, David Woodhouse wrote:
> ahennessy at mvista.com said:
> > I just tried the latest code and discovered that the command used
> > before the query command and also to return to read mode in
> > cfi_probe.c has been changed to 0xF0 - it used to be 0xFF . The
> > board I'm testing on has an Intel strata chip and is not responding to
> > the query. If I use 0xFF, then everything is fine. AMD chips seems
> > to be happy with either command (
> I seem to recall someone complaining before, and having to change it. But
> if so, I don't see why it only came in with the jedec-probe stuff.
> Three options:
> 1. Change it to 0xFF and see if anyone screams.
I will! Toshiba 8MiB (TC58FVT641FT) won't leave autoselect mode if you
change that. Then amd_flash_probe (and jedec_probe I suppose) will not
be able to detect "mirrors" of previously found chips.
> 2. Make it send both 0xFF and 0xF0.
> 3. Make it work out what type of chip it's talking to and send the _right_
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