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| author | Han Xu <b45815@freescale.com> | 2015-04-30 14:41:28 -0500 |
|---|---|---|
| committer | Peng Fan <Peng.Fan@freescale.com> | 2015-05-07 10:38:40 +0800 |
| commit | 334303d35a348f39609bf84c13f445dba80810cb (patch) | |
| tree | a632b7967f73ff021ddfc3fc9f43a6e084ae3a13 /drivers | |
| parent | 615d4c51679a6c2ee0ed4c5e3922eec76646eef1 (diff) | |
| download | u-boot-imx-334303d35a348f39609bf84c13f445dba80810cb.zip u-boot-imx-334303d35a348f39609bf84c13f445dba80810cb.tar.gz u-boot-imx-334303d35a348f39609bf84c13f445dba80810cb.tar.bz2 | |
MLK-10740: add maximum ecc platfrom can support
Add maximum ecc strength for each platfrom to avoid the calculated ecc
exceed the limitation.
Signed-off-by: Han Xu <b45815@freescale.com>
(cherry picked from commit fdc5bac6ae8b699924c4e84b86e38aa73f694827)
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/nand/mxs_nand.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/mtd/nand/mxs_nand.c b/drivers/mtd/nand/mxs_nand.c index 3f8d223..f17a691 100644 --- a/drivers/mtd/nand/mxs_nand.c +++ b/drivers/mtd/nand/mxs_nand.c @@ -41,6 +41,12 @@ #define MXS_NAND_BCH_TIMEOUT 10000 +#if (defined(CONFIG_MX6SX) || defined(CONFIG_MX7)) +#define MXS_NAND_MAX_ECC_STRENGTH 62 +#else +#define MXS_NAND_MAX_ECC_STRENGTH 40 +#endif + int chunk_data_chunk_size = MXS_NAND_CHUNK_DATA_CHUNK_SIZE; int galois_field = 13; @@ -156,7 +162,7 @@ static inline uint32_t mxs_nand_get_ecc_strength(uint32_t page_data_size, /* We need the minor even number. */ ecc_strength -= ecc_strength & 1; - return ecc_strength; + return min(ecc_strength, MXS_NAND_MAX_ECC_STRENGTH); } static inline uint32_t mxs_nand_get_mark_offset(uint32_t page_data_size, |