[U-Boot] [U-Boot, 1/5] MTD: nand: increase the max eccpos size to 448 to support 8k page nand

[Scott Wood]

On Fri, Oct 18, 2013 at 05:46:30PM +0800, Wu, Josh wrote:
> For example, Micron MT29F64G08CBAAAWP has 8192 bytes page with 448 byte
> oob. It needs 24bit ecc per page.
> If 24bit error correction per 1024 bytes need extra 42 bytes in oob.
> That means we need eccpos array size is 336 byte.
> 
> Signed-off-by: Josh Wu <josh.wu at atmel.com>
> 
> ---
> include/mtd/mtd-abi.h |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/include/mtd/mtd-abi.h b/include/mtd/mtd-abi.h
> index d51c1ab..f6f7370 100644
> --- a/include/mtd/mtd-abi.h
> +++ b/include/mtd/mtd-abi.h
> @@ -156,13 +156,14 @@ struct nand_oobfree {
>  };
>  
>  #define MTD_MAX_OOBFREE_ENTRIES	8
> +#define MTD_MAX_ECCPOS_ENTRIES_LARGE    448
>  /*
>   * ECC layout control structure. Exported to userspace for
>   * diagnosis and to allow creation of raw images
>   */
>  struct nand_ecclayout {
>  	uint32_t eccbytes;
> -	uint32_t eccpos[128];
> +	uint32_t eccpos[MTD_MAX_ECCPOS_ENTRIES_LARGE];
>  	uint32_t oobavail;
>  	struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES];
>  };

See http://patchwork.ozlabs.org/patch/280488/

-Scott