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-rw-r--r--drivers/mtd/nand/pxa3xx_nand.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index f00ce27f61d0..8f38abdb3310 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -1360,9 +1360,13 @@ static int pxa_ecc_init(struct pxa3xx_nand_info *info,
static int armada370_ecc_init(struct pxa3xx_nand_info *info,
struct nand_ecc_ctrl *ecc,
- int strength, int page_size)
+ int strength, int ecc_stepsize, int page_size)
{
- if (strength == 4 && page_size == 4096) {
+ /*
+ * Required ECC: 4-bit correction per 512 bytes
+ * Select: 16-bit correction per 2048 bytes
+ */
+ if (strength == 4 && ecc_stepsize == 512 && page_size == 4096) {
info->ecc_bch = 1;
info->chunk_size = 2048;
info->spare_size = 32;
@@ -1373,7 +1377,11 @@ static int armada370_ecc_init(struct pxa3xx_nand_info *info,
ecc->strength = 16;
return 1;
- } else if (strength == 8 && page_size == 4096) {
+ /*
+ * Required ECC: 8-bit correction per 512 bytes
+ * Select: 16-bit correction per 1024 bytes
+ */
+ } else if (strength == 8 && ecc_stepsize == 512 && page_size == 4096) {
info->ecc_bch = 1;
info->chunk_size = 1024;
info->spare_size = 0;
@@ -1481,6 +1489,7 @@ KEEP_CONFIG:
if (info->variant == PXA3XX_NAND_VARIANT_ARMADA370)
ret = armada370_ecc_init(info, &chip->ecc,
chip->ecc_strength_ds,
+ chip->ecc_step_ds,
mtd->writesize);
else
ret = pxa_ecc_init(info, &chip->ecc,