From: ebiederman@lnxi.com (Eric W. Biederman)
To: Alice Hennessy <ahennessy@mvista.com>
Cc: linux-mtd@lists.infradead.org
Subject: Re: Problem with cfi_probe.c and Intel chip
Date: 10 Jan 2002 16:05:17 -0700 [thread overview]
Message-ID: <m3k7upbydu.fsf@DLT.linuxnetworx.com> (raw)
In-Reply-To: <3C3E1515.CD99EB0@mvista.com>
Alice Hennessy <ahennessy@mvista.com> writes:
> Hello,
>
> 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 think because the
> AMD automatically returns to read mode after
> a command anyway). It looks like this was changed with the jedec-probe
>
> additions so maybe this is necessary
> for older jedec chips (which I haven't tested).
In this case it works for all of intel chips I have, so I thought the extra
0xFF in the reset, was put in by someone being extra careful, and not someone
having problems...
I'll reenable it in just a minute.
Eric
next prev parent reply other threads:[~2002-01-10 22:54 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
2002-01-10 23:05 ` Eric W. Biederman [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-01-11 10:27 Jonas Holmberg
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