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From: Jonas Holmberg <jonas.holmberg@axis.com>
To: David Woodhouse <dwmw2@infradead.org>
Cc: Alice Hennessy <ahennessy@mvista.com>, linux-mtd@lists.infradead.org
Subject: Re: Problem with cfi_probe.c and Intel chip
Date: 11 Jan 2002 08:57:58 +0100	[thread overview]
Message-ID: <1010735878.1306.4.camel@pcjonashg> (raw)
In-Reply-To: <17564.1010702853@redhat.com>

On Thu, 2002-01-10 at 23:47, David Woodhouse wrote:
> 
> ahennessy@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.

/Jonas

> 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_ 
> 	command.
> 
> 
> 
> --
> dwmw2
> 
> 
> 
> ______________________________________________________
> Linux MTD discussion mailing list
> http://lists.infradead.org/mailman/listinfo/linux-mtd/

  parent reply	other threads:[~2002-01-11  7:48 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-01-10 22:26 Problem with cfi_probe.c and Intel chip Alice Hennessy
2002-01-10 22:47 ` David Woodhouse
2002-01-11  1:03   ` Eric W. Biederman
2002-01-11  2:06     ` Alice Hennessy
2002-01-11 20:27       ` Eric W. Biederman
2002-01-11 21:53         ` Alice Hennessy
2002-01-11  7:57   ` Jonas Holmberg [this message]
2002-01-10 23:05 ` Eric W. Biederman
  -- strict thread matches above, loose matches on Subject: below --
2002-01-11 10:27 Jonas Holmberg

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