[U-Boot] [PATCH 05/10 v3] spl, nand: add 4bit HW ecc oob first nand_read_page function

[Scott Wood <scottwood@freescale.com>]

On 10/06/2011 12:45 AM, Heiko Schocher wrote:
> similiar to commit dc7cd8e59ba077f3b4c1a4557c9cd86a31b9ab1f, only
> adapted for the new spl framework.
> 
> Signed-off-by: Heiko Schocher <hs@denx.de>
> Cc: Scott Wood <scottwood@freescale.com>
> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
> Cc: Sandeep Paulraj <s-paulraj@ti.com>
> 
> ---
> changes for v3:
> - add comment from Scott Wood:
>   as BSS is cleared, no need for intializing vars with 0
>   remove this.
> 
>  drivers/mtd/nand/nand_spl_simple.c |   43 +++++++++++++++++++++++++++++++++++-
>  1 files changed, 42 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/mtd/nand/nand_spl_simple.c b/drivers/mtd/nand/nand_spl_simple.c
> index 71491d4..622a9b5 100644
> --- a/drivers/mtd/nand/nand_spl_simple.c
> +++ b/drivers/mtd/nand/nand_spl_simple.c
> @@ -140,6 +140,47 @@ static int nand_is_bad_block(int block)
>  	return 0;
>  }
>  
> +#if defined(CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST)

Change the name to not be 4BIT-specific, and add documentation for this
config option.

-Scott