From: Stefano Babic <sbabic@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] mxs_nand: Fix ECC strength for NAND flash with OOB size of 224
Date: Tue, 10 Sep 2013 19:02:30 +0200 [thread overview]
Message-ID: <522F50A6.20105@denx.de> (raw)
In-Reply-To: <1377355884-5920-1-git-send-email-eliedebrauwer@gmail.com>
On 24/08/2013 16:51, Elie De Brauwer wrote:
> On a board with an i.mx28 and a Micron MT29F4G08ABAEAH4, Linux says:
>
> NAND device: Manufacturer ID: 0x2c, Chip ID: 0xdc (Micron MT29F4G08ABAEAH4),
> 512MiB, page size: 4096, OOB size: 224) the ECC strength is 16.
>
> root@(none):/sys/devices/virtual/mtd/mtd0# for i in ecc_strength oobsize subpagesize; do echo $i = `cat $i`; done
> ecc_strength = 16
> oobsize = 224
> subpagesize = 4096
>
> The ECC strength was not properly discovered by U-Boot causing the data
> written by Linux to return an -74 (EBADMSG) when read from U-Boot. This
> patch fixes mxs_nand_get_ecc_strength() to function in case of a NAND
> flash with page_data_size = 4096 and page_oob_size= 224.
>
> Signed-off-by: Elie De Brauwer <eliedebrauwer@gmail.com>
> ---
Scott, I found this is assigned to me in patchwork. Is it ok if I apply it ?
Best regards,
Stefano
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next prev parent reply other threads:[~2013-09-10 17:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-24 14:51 [U-Boot] [PATCH] mxs_nand: Fix ECC strength for NAND flash with OOB size of 224 Elie De Brauwer
2013-09-10 17:02 ` Stefano Babic [this message]
2013-09-10 20:11 ` Scott Wood
2013-09-11 7:24 ` Stefano Babic
2013-09-11 16:53 ` Scott Wood
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