linux-kernel - Re: [BUG] Nand support broken with v2.6.36-rc1

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Message-ID: <20100817174704.GA1322@gibson.comsick.at>
Date:	Tue, 17 Aug 2010 19:47:04 +0200
From:	Michael Guntsche <mike@...loops.com>
To:	Brian Norris <norris@...adcom.com>
Cc:	"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [BUG] Nand support broken with v2.6.36-rc1

On 17 Aug 10 10:00, Brian Norris wrote:
> One of the following two cases is likely the problem:
> (1) Your chip is supposed to use offset 0, not 5, for the BBM (i.e.,
> NAND_LARGE_BADBLOCK_POS, not NAND_SMALL_BADBLOCK_POS), and so your
> ecclayout should not be leaving byte 0 in the "oobfree" array (a
> design flaw since you first began using this chip)

First, I am just an end user so I have no access to the datasheets etc. I
just got the code from the board manufactrurer (2.6.27) and forward
port it to recent kernels.

The reason I am using a specific layout is because the bootloader on
this board expects it this way. It formats it this way in the beginning
and I cannot change that. 


> Could you send the full NAND ID string (8 bytes, not
If you can tell me where I can find that I'll be more than happy to send
it to you. But as I said I think the reason for this is this special
bootloader.

Please tell me, if you need more informations.


Kind regards,
Michael
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