diff options
| -rw-r--r-- | drivers/mtd/nand/raw/denali.c | 13 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/denali_dt.c | 5 |
2 files changed, 15 insertions, 3 deletions
diff --git a/drivers/mtd/nand/raw/denali.c b/drivers/mtd/nand/raw/denali.c index 3102ddbd8abd..b6c463d02167 100644 --- a/drivers/mtd/nand/raw/denali.c +++ b/drivers/mtd/nand/raw/denali.c @@ -1302,14 +1302,21 @@ int denali_init(struct denali_controller *denali) /* * Set how many bytes should be skipped before writing data in OOB. + * If a non-zero value has already been configured, update it in HW. * If a non-zero value has already been set (by firmware or something), * just use it. Otherwise, set the driver's default. */ - denali->oob_skip_bytes = ioread32(denali->reg + SPARE_AREA_SKIP_BYTES); - if (!denali->oob_skip_bytes) { - denali->oob_skip_bytes = DENALI_DEFAULT_OOB_SKIP_BYTES; + if (denali->oob_skip_bytes) { iowrite32(denali->oob_skip_bytes, denali->reg + SPARE_AREA_SKIP_BYTES); + } else { + denali->oob_skip_bytes = + ioread32(denali->reg + SPARE_AREA_SKIP_BYTES); + if (!denali->oob_skip_bytes) { + denali->oob_skip_bytes = DENALI_DEFAULT_OOB_SKIP_BYTES; + iowrite32(denali->oob_skip_bytes, + denali->reg + SPARE_AREA_SKIP_BYTES); + } } iowrite32(0, denali->reg + TRANSFER_SPARE_REG); diff --git a/drivers/mtd/nand/raw/denali_dt.c b/drivers/mtd/nand/raw/denali_dt.c index 276187939689..699255fb2dd8 100644 --- a/drivers/mtd/nand/raw/denali_dt.c +++ b/drivers/mtd/nand/raw/denali_dt.c @@ -27,6 +27,7 @@ struct denali_dt { struct denali_dt_data { unsigned int revision; unsigned int caps; + unsigned int oob_skip_bytes; const struct nand_ecc_caps *ecc_caps; }; @@ -34,6 +35,7 @@ NAND_ECC_CAPS_SINGLE(denali_socfpga_ecc_caps, denali_calc_ecc_bytes, 512, 8, 15); static const struct denali_dt_data denali_socfpga_data = { .caps = DENALI_CAP_HW_ECC_FIXUP, + .oob_skip_bytes = 2, .ecc_caps = &denali_socfpga_ecc_caps, }; @@ -42,6 +44,7 @@ NAND_ECC_CAPS_SINGLE(denali_uniphier_v5a_ecc_caps, denali_calc_ecc_bytes, static const struct denali_dt_data denali_uniphier_v5a_data = { .caps = DENALI_CAP_HW_ECC_FIXUP | DENALI_CAP_DMA_64BIT, + .oob_skip_bytes = 8, .ecc_caps = &denali_uniphier_v5a_ecc_caps, }; @@ -51,6 +54,7 @@ static const struct denali_dt_data denali_uniphier_v5b_data = { .revision = 0x0501, .caps = DENALI_CAP_HW_ECC_FIXUP | DENALI_CAP_DMA_64BIT, + .oob_skip_bytes = 8, .ecc_caps = &denali_uniphier_v5b_ecc_caps, }; @@ -123,6 +127,7 @@ static int denali_dt_probe(struct platform_device *pdev) denali->revision = data->revision; denali->caps = data->caps; + denali->oob_skip_bytes = data->oob_skip_bytes; denali->ecc_caps = data->ecc_caps; denali->dev = dev; |