From: David Woodhouse <dwmw2@infradead.org>
To: Ricky Beam <jfbeam@bluetopia.net>
Cc: Linux Kernel Mail List <linux-kernel@vger.kernel.org>
Subject: Re: MTD and Adapter ROMs
Date: Fri, 07 Sep 2001 16:43:36 +0100 [thread overview]
Message-ID: <4569.999877416@redhat.com> (raw)
In-Reply-To: <Pine.GSO.4.33.0109071132370.1190-100000@sweetums.bluetronic.net>
In-Reply-To: <Pine.GSO.4.33.0109071132370.1190-100000@sweetums.bluetronic.net>
jfbeam@bluetopia.net said:
> Well, you explain where the f*** module "cfi" is located. It took me
> a few hours to figure out what module is, in fact, "cfi".
Heh, sorry about that. It's been fixed in my tree for a while - I should
send Linus an update.
> The question becomes, what section of the rom should not be erased?
> If I erase the entire 128k and then reset the system before getting a
> good image back in there, I'm betting it'll disappear from the bus.
> It's already screwed up to the point it no longer shows up in PCI
> space as itself -- which was entertaining to see the bad BIOS post and
> then not find itself :-)
Can't answer that. Try applying BIOS upgrades and downgrades, and seeing
which ranges of the chip actually change?
> 00:03.0 Class ff80: 11ff:00ff (rev 03)
> (that's supposed to be 1103:0004)
Looks like it's a pair of 8-bit flash devices side-by-side on a 16-bit bus,
and you've managed to erase just one of them.
--
dwmw2
prev parent reply other threads:[~2001-09-07 15:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-07 3:19 MTD and Adapter ROMs Ricky Beam
2001-09-07 10:13 ` David Woodhouse
2001-09-07 14:04 ` Ricky Beam
2001-09-07 14:14 ` David Woodhouse
2001-09-07 15:37 ` Ricky Beam
2001-09-07 15:43 ` David Woodhouse [this message]
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