Hardware expects ECCM 0 for small page and ECCM 1 for large page
when booting from NAND, so use those defaults.
Signed-off-by: Scott Wood <[EMAIL PROTECTED]>
---
drivers/mtd/nand/fsl_elbc_nand.c | 16 ++++++++++++++--
1 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index b097ca5..367c7d7 100644
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -777,6 +777,20 @@ int board_nand_init(struct nand_chip *nand)
nand->ecc.read_page = fsl_elbc_read_page;
nand->ecc.write_page = fsl_elbc_write_page;
+#ifdef CONFIG_FSL_ELBC_FMR
+ priv->fmr = CONFIG_FSL_ELBC_FMR;
+#else
+ priv->fmr = (15 << FMR_CWTO_SHIFT) | (2 << FMR_AL_SHIFT);
+
+ /*
+ * Hardware expects small page has ECCM0, large page has ECCM1
+ * when booting from NAND. Board config can override if not
+ * booting from NAND.
+ */
+ if (or & OR_FCM_PGS)
+ priv->fmr |= FMR_ECCM;
+#endif
+
/* If CS Base Register selects full hardware ECC then use it */
if ((br & BR_DECC) == BR_DECC_CHK_GEN) {
nand->ecc.mode = NAND_ECC_HW;
@@ -793,8 +807,6 @@ int board_nand_init(struct nand_chip *nand)
nand->ecc.mode = NAND_ECC_SOFT;
}
- priv->fmr = (15 << FMR_CWTO_SHIFT) | (2 << FMR_AL_SHIFT);
-
/* Large-page-specific setup */
if (or & OR_FCM_PGS) {
priv->page_size = 1;
--
1.5.6.rc1.6.gc53ad
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