diff options
| author | Marcus Folkesson <marcus.folkesson@gmail.com> | 2024-11-07 14:47:07 +0100 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2024-12-05 11:08:03 +0100 |
| commit | ef73c7dad4b14bf7365aa8629b0c73c4e3c3bcd1 (patch) | |
| tree | ada36c131e5defaf9ea99ee15dc121644cc2de75 | |
| parent | e0a4f50fce154c88c158562a1cee2c8b851c4e38 (diff) | |
mtd: nand: davinci: add support for on-die ECC engine type
Some chips, e.g. Micron MT29F1G08ABBFAH4, has a mandatory on-die ECC.
Add "on-die" as ECC engine type in order to be compatible with those.
Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
| -rw-r--r-- | drivers/mtd/nand/raw/davinci_nand.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mtd/nand/raw/davinci_nand.c b/drivers/mtd/nand/raw/davinci_nand.c index 1f8354acfb50..d1dfc0788e74 100644 --- a/drivers/mtd/nand/raw/davinci_nand.c +++ b/drivers/mtd/nand/raw/davinci_nand.c @@ -66,6 +66,7 @@ struct davinci_nand_pdata { /* none == NAND_ECC_ENGINE_TYPE_NONE (strongly *not* advised!!) * soft == NAND_ECC_ENGINE_TYPE_SOFT + * on-die == NAND_ECC_ENGINE_TYPE_ON_DIE * else == NAND_ECC_ENGINE_TYPE_ON_HOST, according to ecc_bits * * All DaVinci-family chips support 1-bit hardware ECC. @@ -525,6 +526,8 @@ nand_davinci_get_pdata(struct platform_device *pdev) pdata->engine_type = NAND_ECC_ENGINE_TYPE_SOFT; if (!strncmp("hw", mode, 2)) pdata->engine_type = NAND_ECC_ENGINE_TYPE_ON_HOST; + if (!strncmp("on-die", mode, 6)) + pdata->engine_type = NAND_ECC_ENGINE_TYPE_ON_DIE; } if (!device_property_read_u32(&pdev->dev, "ti,davinci-ecc-bits", &prop)) @@ -580,6 +583,7 @@ static int davinci_nand_attach_chip(struct nand_chip *chip) switch (chip->ecc.engine_type) { case NAND_ECC_ENGINE_TYPE_NONE: + case NAND_ECC_ENGINE_TYPE_ON_DIE: pdata->ecc_bits = 0; break; case NAND_ECC_ENGINE_TYPE_SOFT: |