[U-Boot] [PATCH 1/1] tools: mxsboot: calculate ECC block level dynamically
Stefano Babic
sbabic at denx.de
Tue Aug 11 14:10:36 CEST 2015
On 11/08/2015 13:44, Jörg 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 at denx.de>
> Signed-off-by: Jörg Krause <joerg.krause at 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 at denx.de>
Best regards,
Stefano Babic
--
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