[U-Boot] [PATCH 1/1] tools: mxsboot: calculate ECC block level dynamically

[Stefano Babic <sbabic@denx.de>]

On 11/08/2015 13:44, J?rg Krause wrote:
> For pages of 2048 bytes the current setting of the ECC Error Correction Level
> is only true for an oob size of 64 bytes and wrong for all others.
> 
> Instead of hard-coding every possible combination of page size and oob size use
> the dynamic calculation of the ECC strength introduced in commit
> 6121560d7714d6d8e41ce1687a1388a1a8fea4cb.
> 
> Cc: Marek Vasut <marex@denx.de>
> Signed-off-by: J?rg Krause <joerg.krause@embedded.rocks>
> ---
>  tools/mxsboot.c | 21 ++++-----------------
>  1 file changed, 4 insertions(+), 17 deletions(-)
> 
> diff --git a/tools/mxsboot.c b/tools/mxsboot.c
> index 185b327..15eec91 100644
> --- a/tools/mxsboot.c
> +++ b/tools/mxsboot.c
> @@ -271,23 +271,10 @@ static struct mx28_nand_fcb *mx28_nand_get_fcb(uint32_t size)
>  	fcb->ecc_block_0_size =		512;
>  	fcb->ecc_block_n_size =		512;
>  	fcb->metadata_bytes =		10;
> -
> -	if (nand_writesize == 2048) {
> -		fcb->ecc_block_n_ecc_type =		4;
> -		fcb->ecc_block_0_ecc_type =		4;
> -	} else if (nand_writesize == 4096) {
> -		if (nand_oobsize == 128) {
> -			fcb->ecc_block_n_ecc_type =	4;
> -			fcb->ecc_block_0_ecc_type =	4;
> -		} else if (nand_oobsize == 218) {
> -			fcb->ecc_block_n_ecc_type =	8;
> -			fcb->ecc_block_0_ecc_type =	8;
> -		} else if (nand_oobsize == 224) {
> -			fcb->ecc_block_n_ecc_type =	8;
> -			fcb->ecc_block_0_ecc_type =	8;
> -		}
> -	}
> -
> +	fcb->ecc_block_n_ecc_type = mx28_nand_get_ecc_strength(
> +					nand_writesize, nand_oobsize) >> 1;
> +	fcb->ecc_block_0_ecc_type = mx28_nand_get_ecc_strength(
> +					nand_writesize, nand_oobsize) >> 1;
>  	if (fcb->ecc_block_n_ecc_type == 0) {
>  		printf("MX28 NAND: Unsupported NAND geometry\n");
>  		goto err;
> 

Reviewed-by: Stefano Babic <sbabic@denx.de>

Best regards,
Stefano Babic

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