diff options
| -rw-r--r-- | arch/arm/cpu/armv7/omap3/board.c | 11 | ||||
| -rw-r--r-- | drivers/mtd/nand/omap_gpmc.c | 12 |
2 files changed, 21 insertions, 2 deletions
diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c index 347947c..dd53b20 100644 --- a/arch/arm/cpu/armv7/omap3/board.c +++ b/arch/arm/cpu/armv7/omap3/board.c @@ -347,7 +347,16 @@ static int do_switch_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char * const arg goto usage; } } else if (strncmp(argv[1], "sw", 2) == 0) { - omap_nand_switch_ecc(0, 0); + if (argc == 2) { + omap_nand_switch_ecc(0, 1); + } else { + if (strncmp(argv[2], "hamming", 7) == 0) + omap_nand_switch_ecc(0, 1); + else if (strncmp(argv[2], "bch8", 4) == 0) + omap_nand_switch_ecc(0, 8); + else + goto usage; + } } else { goto usage; } diff --git a/drivers/mtd/nand/omap_gpmc.c b/drivers/mtd/nand/omap_gpmc.c index f8b0063..610f969 100644 --- a/drivers/mtd/nand/omap_gpmc.c +++ b/drivers/mtd/nand/omap_gpmc.c @@ -912,8 +912,18 @@ int __maybe_unused omap_nand_switch_ecc(uint32_t hardware, uint32_t eccstrength) return -EINVAL; } } else { - err = omap_select_ecc_scheme(nand, OMAP_ECC_HAM1_CODE_SW, + if (eccstrength == 1) { + err = omap_select_ecc_scheme(nand, + OMAP_ECC_HAM1_CODE_SW, + mtd->writesize, mtd->oobsize); + } else if (eccstrength == 8) { + err = omap_select_ecc_scheme(nand, + OMAP_ECC_BCH8_CODE_HW_DETECTION_SW, mtd->writesize, mtd->oobsize); + } else { + printf("nand: error: unsupported ECC scheme\n"); + return -EINVAL; + } } /* Update NAND handling after ECC mode switch */ |