support in omap_nand_switch_ecc() also an eccstrength
from 16.
Signed-off-by: Heiko Schocher <h...@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;
--
2.5.5
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