From: "John Burch" <jburch@vincisystems.com>
To: "'Jonas Holmberg'" <jonas.holmberg@axis.com>,
"'David Woodhouse'" <dwmw2@infradead.org>
Cc: "'Jörn Engel'" <joern@wohnheim.fh-wedel.de>
Cc: linux-mtd@lists.infradead.org
Subject: RE: Mtd block access (jffs2 formatted) and mtd char access(unformatted) on different partitions of a single flashdevice
Date: Wed, 21 May 2003 09:49:30 -0400 [thread overview]
Message-ID: <000a01c31f9f$ceb90940$1200a8c0@JOHNB> (raw)
In-Reply-To: <3C6BEE8B5E1BAC42905A93F13004E8AB01CAF732@mailse01.axis.se>
> > > Also, does the mtd driver for AMD CFI devices handle
> > > AMD's ability to support erasure of multiple sectors
> simultaneously?
> >
> > Probably not yet, but there's no reason why it shouldn't.
> Criticism in
> > 'diff -u' form is preferred :)
> >
>
> Is this chip-feature "probable"? We used to do simutaneous
> erases in a bootloader, but after a while we started using
> chips that couldn't do that so we had to change the behaviour
> to be able to handle all sorts of chips. I'm not sure if CFI
> covers that particular feature, but it would be great if it
> did. It wouldn't be so great to have to check JEDEC IDs...
>
As far as I know, the feature is unique to AMD though I don't know if it
is supported across their entire product line. Also, it is not a CFI
specific feature. For example, it's discussed in the 29LV008B (not a
CFI compliant device) data sheet under the "Sector Erase Command
Sequence" section.
next parent reply other threads:[~2003-05-21 15:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <3C6BEE8B5E1BAC42905A93F13004E8AB01CAF732@mailse01.axis.se>
2003-05-21 13:49 ` John Burch [this message]
2003-05-21 13:52 ` Mtd block access (jffs2 formatted) and mtd char access(unformatted) on different partitions of a single flashdevice Jörn Engel
2003-05-21 14:36 ` John Burch
2003-05-21 15:57 ` Jörn Engel
2003-05-22 12:40 ` John Burch
2003-05-22 20:31 ` jonas.holmberg
2003-05-21 9:25 Mtd block access (jffs2 formatted) and mtd char access (unformatted) on different partitions of a single flash device David Woodhouse
2003-05-21 12:33 ` Mtd block access (jffs2 formatted) and mtd char access(unformatted) on different partitions of a single flashdevice John Burch
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