From: bandwidthcrunch <bandwidthcrunch@gmail.com>
To: Chan Siu Ming <namely_void@yahoo.co.uk>
Cc: linux-mtd@lists.infradead.org
Subject: Re: Getting mtd to work with IBM Evaluation boards (Ebony/Walnut)
Date: Tue, 9 Nov 2004 10:03:31 +0530 [thread overview]
Message-ID: <b4618e0f04110820333b6140d3@mail.gmail.com> (raw)
In-Reply-To: <20041108211932.34600.qmail@web25006.mail.ukl.yahoo.com>
http://kelp.or.kr/korweblog/stories.php?story=04/06/30/7742286 is
doing something with one of these boards .
On Mon, 8 Nov 2004 21:19:32 +0000 (GMT), Chan Siu Ming
<namely_void@yahoo.co.uk> wrote:
> Hello,
> I'm trying to get mtd to work with IBM Walnut and
> Ebony PPC evaluation boards. I tried with mtd CVS
> from 2004.11.03 and Linux 2.6.9, but seem to have
> some problems. Here's first what I did do with
> success:
> * patched kernel with CVS mtd and compiled it,
> everything into the kernel - no modules. I'm
> not quite sure what I should have enabled in
> the config, but I guess these boards have CFI
> AMD chips in them.
> * populated /dev with the MAKEDEV in mtd tree
> * compiled the mtd utils
> My problems are:
> * There doesn't seem to be a map for Walnut boards,
> anyone has got one?
> * Ebony can read from the flash well, but cannot
> write.
> Flash_info says: "0 erase regions". Flash_unlock and
> all write attemps fail, when trying to open the
> device in O_RDWR or O_WRONLY mode. What might be
> the problem?
> Tested the physical ram test device on Walnut (mapped
> to the boards SRAM at 0xFFF00000) and that worked
> fine.
>
> Thanks for any help.
>
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>
next prev parent reply other threads:[~2004-11-09 4:33 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-08 21:19 Getting mtd to work with IBM Evaluation boards (Ebony/Walnut) Chan Siu Ming
2004-11-09 4:33 ` bandwidthcrunch [this message]
2004-11-09 6:47 ` Chan Siu Ming
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