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From: Charles Manning <manningc2@actrix.gen.nz>
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	=?utf-8?q?=EC=B5=9C=EC=98=81=EC=9D=BC?= <yichoi@moimstone.com>
Date: Mon, 3 Oct 2005 07:43:04 +1300
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Subject: Re: large-nand flash mount ?
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On Tuesday 27 September 2005 23:57, Artem B. Bityutskiy wrote:
> On Tue, 2005-09-27 at 20:24 +0900, =EC=B5=9C=EC=98=81=EC=9D=BC wrote:
> > Hi
> > I am developing system with cpu au1550 and 2G nand flash?
> > I want root filesystem by 2G nand flash.
> > for test, I can mount nand flash and read, write to flash.
> > so, I make jffs2 filesystem and write to flash.
> > then, I make to boot with boot argument(root=3D/dev/mtdblock0), but fail
> > the message follows
> > ----------------------------
> > mtdblock_open
> > ok
> > mtdblock: read on "Db1550 NAND FS 0" at 0x400, size 0x200
> > nand_read_ecc: from =3D 0x00000400, len =3D 512
> > mtdblock: read on "Db1550 NAND FS 0" at 0x600, size 0x200
> > nand_read_ecc: from =3D 0x00000600, len =3D 512
> > mtdblock_release
> > nand_sync: called
> > ok
>
> Even if you have healed your problems with MTD, JFFS2 is anyway unusable
> on large flashes. Hmm, MTD archive seems broken, so I just insert here
> my recent reply to similar questions.

You might want to try looking at YAFFS.

YAFFS has been used successfully with quite large NAND arrays (at least as=
=20
large as 1.5G bytes). 2GB should be very achievable.

=2D- Charles