diff options
Diffstat (limited to 'drivers/mtd/nand/raw/fsl_elbc_nand.c')
| -rw-r--r-- | drivers/mtd/nand/raw/fsl_elbc_nand.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/mtd/nand/raw/fsl_elbc_nand.c b/drivers/mtd/nand/raw/fsl_elbc_nand.c index a18d121396aa..e25119e58b69 100644 --- a/drivers/mtd/nand/raw/fsl_elbc_nand.c +++ b/drivers/mtd/nand/raw/fsl_elbc_nand.c @@ -725,6 +725,7 @@ static int fsl_elbc_attach_chip(struct nand_chip *chip) struct fsl_lbc_ctrl *ctrl = priv->ctrl; struct fsl_lbc_regs __iomem *lbc = ctrl->regs; unsigned int al; + u32 br; /* * if ECC was not chosen in DT, decide whether to use HW or SW ECC from @@ -764,6 +765,13 @@ static int fsl_elbc_attach_chip(struct nand_chip *chip) return -EINVAL; } + /* enable/disable HW ECC checking and generating based on if HW ECC was chosen */ + br = in_be32(&lbc->bank[priv->bank].br) & ~BR_DECC; + if (chip->ecc.engine_type == NAND_ECC_ENGINE_TYPE_ON_HOST) + out_be32(&lbc->bank[priv->bank].br, br | BR_DECC_CHK_GEN); + else + out_be32(&lbc->bank[priv->bank].br, br | BR_DECC_OFF); + /* calculate FMR Address Length field */ al = 0; if (chip->pagemask & 0xffff0000) |