support in omap_nand_switch_ecc() also an eccstrength from 16.
Signed-off-by: Heiko Schocher hs@denx.de ---
Changes in v2: - rebase to current mainline commit id: e4a94ce4ac77396b181663c0493c50bc2d5b9143
arch/arm/cpu/armv7/omap3/board.c | 6 ++++-- drivers/mtd/nand/omap_gpmc.c | 4 ++++ 2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c index 0c44ea5..5f55977 100644 --- a/arch/arm/cpu/armv7/omap3/board.c +++ b/arch/arm/cpu/armv7/omap3/board.c @@ -280,6 +280,8 @@ static int do_switch_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char * const arg omap_nand_switch_ecc(1, 1); else if (strncmp(argv[2], "bch8", 4) == 0) omap_nand_switch_ecc(1, 8); + else if (strncmp(argv[2], "bch16", 5) == 0) + omap_nand_switch_ecc(1, 16); else goto usage; } @@ -308,8 +310,8 @@ usage: U_BOOT_CMD( nandecc, 3, 1, do_switch_ecc, "switch OMAP3 NAND ECC calculation algorithm", - "hw [hamming|bch8] - Switch between NAND hardware 1-bit hamming and" - " 8-bit BCH\n" + "hw [hamming|bch8|bch16] - Switch between NAND hardware 1-bit hamming" + " and 8-bit/16-bit BCH\n" " ecc calculation (second parameter may" " be omitted).\n" "nandecc sw - Switch to NAND software ecc algorithm." diff --git a/drivers/mtd/nand/omap_gpmc.c b/drivers/mtd/nand/omap_gpmc.c index 37c4341..67f293d 100644 --- a/drivers/mtd/nand/omap_gpmc.c +++ b/drivers/mtd/nand/omap_gpmc.c @@ -917,6 +917,10 @@ int __maybe_unused omap_nand_switch_ecc(uint32_t hardware, uint32_t eccstrength) err = omap_select_ecc_scheme(nand, OMAP_ECC_BCH8_CODE_HW, mtd->writesize, mtd->oobsize); + } else if (eccstrength == 16) { + err = omap_select_ecc_scheme(nand, + OMAP_ECC_BCH16_CODE_HW, + mtd->writesize, mtd->oobsize); } else { printf("nand: error: unsupported ECC scheme\n"); return -EINVAL;