RE: NAND ECC in linux-omap

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> -----Original Message-----
> From: Cliff Brake [mailto:cliff.brake@xxxxxxxxx]
> Sent: Wednesday, August 18, 2010 3:27 AM
> To: Linux OMAP Users; Ghorai, Sukumar
> Subject: NAND ECC in linux-omap
> 
> Hi,
> 
> I'm using the latest pm branch (based on linux-omap I think), and
> running into the following problems.
> 
> The first is my x-loader uses software ECC.  Looking in the omap nand
> driver, I made the following change which gets x-loader/u-boot working
> again:
> 
> diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
> index 133d515..1593c60 100644
> --- a/drivers/mtd/nand/omap2.c
> +++ b/drivers/mtd/nand/omap2.c
> @@ -7,7 +7,7 @@
>   * it under the terms of the GNU General Public License version 2 as
>   * published by the Free Software Foundation.
>   */
> -#define CONFIG_MTD_NAND_OMAP_HWECC
> +//#define CONFIG_MTD_NAND_OMAP_HWECC
> 
>  #include <linux/platform_device.h>
>  #include <linux/dma-mapping.h>
> 
> But, I'm still getting a ton of ECC errors in JFFS2 flash filesystem.
> Does anyone have any suggestions as to where to go from here?  I see
> some patches on the mail lists from Sukumar Ghorai that make HW/SW ECC
> selectable from the board file.
> 
> Thanks,
> Cliff
> 
[Ghorai] 
1. Can you send the git tree link and branch you are referring?
2. I am working to support the NAND BCH and not upstream yet, how you apply this patch in PM branch. 
3. which x-loader and u-boot you are referring? And no x-loader/ u-boot supports the BCH 

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