From: Artem Bityutskiy <dedekind@infradead.org>
To: Charles Manning <manningc2@actrix.gen.nz>
Cc: linux-mtd@lists.infradead.org
Subject: Re: mtd support for large NAND
Date: Tue, 16 Oct 2007 10:27:23 +0300 [thread overview]
Message-ID: <1192519643.3421.2.camel@sauron> (raw)
In-Reply-To: <200710161327.15290.manningc2@actrix.gen.nz>
On Tue, 2007-10-16 at 13:27 +1300, Charles Manning wrote:
> On Friday 12 October 2007 21:36:09 falls huang wrote:
> > Hello !
> >
> > How can I simulate a large nandflash(>4G) in linux PC ? I want to
> > take a look at it, but I don't have any develop-board that has 4G
>
> There are a few problems you face here. Firstly, mtd does not support >4G
> which will need fixing.
>
> Secondly, even if your system has > 4G it might not be all simultaneously
> accessible and you will need to use highmem as a way to do temporary mappings
> to access this memory.
>
> I might be tempted to try do this using some sort of userspace driver then
> just backing the driver with regular files (eg. 8x1G files to simulate 8G of
> NAND).
Or create something like blk2mtd.
--
Best regards,
Artem Bityutskiy (Битюцкий Артём)
next prev parent reply other threads:[~2007-10-16 7:30 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-10 20:11 mtd support for large NAND Charles Manning
2007-10-11 7:22 ` Artem Bityutskiy
2007-10-12 8:36 ` falls huang
2007-10-16 0:27 ` Charles Manning
2007-10-16 7:27 ` Artem Bityutskiy [this message]
2007-10-16 10:47 ` Jörn Engel
2007-10-16 19:47 ` Charles Manning
2007-10-16 19:55 ` Jörn Engel
2007-10-16 20:12 ` Charles Manning
2007-10-16 20:42 ` Jörn Engel
2007-10-16 21:16 ` Charles Manning
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