Re: [Yaffs] Can't mount yaffs2 on K9G8G08U0B

No it does not mean that.

There are many shipping products that use MLC with yaffs2.

yaffs2 already has extensive support for MLC but there are still some features
I want to add which will improve MLC operation.

-- Charles


On Sunday 20 June 2010 19:45:59 Ivan Li wrote:
> Hi Charles,
>
> I found this issue is still there.
> In the http://www.yaffs.net/ homepage i see that "MLC NAND handling is
> under way". Would that mean i can't use yaffs2 on K9G8G08U0B yet?
>
> ----- Original Message -----
> From: "Charles Manning" <manningc2@actrix.gen.nz>
> To: <yaffs@lists.aleph1.co.uk>
> Sent: Friday, June 18, 2010 12:49 PM
> Subject: Re: [Yaffs] Can't mount yaffs2 on K9G8G08U0B
>
> > On Friday 18 June 2010 15:52:24 Ivan Li wrote:
> >> Hi guys,
> >>
> >> I can't mount yaffs2 with MLC K9G8G08U0B.
> >
> > What do you mean by "can't mount"?
> >
> >> The spec of this flash lists below:
> >> Page size: 2048
> >> Spare size: 64
> >> Block size: 256K
> >> ECC: BCH
> >> OOB used:
> >> oob-free:(2, 38)
> >> ecc-pos: 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55,
> >> 56, 57, 58, 59, 60, 61, 62, 63
> >
> > Are you using Linux? What version?
> >
> > Almost all probems of this nature are as a result of oob placement.
> >
> > Add printks to the mtd code to check that your mtd is doing the placement
> > correctly.
> >
> > -- CHarles
> >
> >
> >
> >
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