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| author | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-05-19 10:45:49 +0300 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-05-26 22:37:25 +0300 |
| commit | 88ffef1b65cf989b2dfea6374caff804fca6ec32 (patch) | |
| tree | 8b858e248bc883e44e0e0e97ca93ed0e93b6b5f9 /drivers/mtd/nand/raw/Kconfig | |
| parent | 197b88fecc50ee3c7a22415db81eae0b9126f20e (diff) | |
| download | linux-88ffef1b65cf989b2dfea6374caff804fca6ec32.tar.xz | |
mtd: rawnand: arasan: Support the hardware BCH ECC engine
Add support for the hardware ECC BCH engine.
Please mind that this engine has an important limitation:
BCH implementation does not inform the user when an uncorrectable ECC
error occurs. To workaround this, we avoid using the hardware engine
in the read path and do the computation with the software BCH
implementation, which is faster than mixing hardware (for correction)
and software (for verification).
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Link: https://lore.kernel.org/linux-mtd/20200519074549.23673-9-miquel.raynal@bootlin.com
Diffstat (limited to 'drivers/mtd/nand/raw/Kconfig')
| -rw-r--r-- | drivers/mtd/nand/raw/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig index e2bc87779bf9..113f61052269 100644 --- a/drivers/mtd/nand/raw/Kconfig +++ b/drivers/mtd/nand/raw/Kconfig @@ -456,6 +456,7 @@ config MTD_NAND_CADENCE config MTD_NAND_ARASAN tristate "Support for Arasan NAND flash controller" depends on HAS_IOMEM && HAS_DMA + select BCH help Enables the driver for the Arasan NAND flash controller on Zynq Ultrascale+ MPSoC. |