From 88ffef1b65cf989b2dfea6374caff804fca6ec32 Mon Sep 17 00:00:00 2001 From: Miquel Raynal Date: Tue, 19 May 2020 09:45:49 +0200 Subject: 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 Reviewed-by: Boris Brezillon Link: https://lore.kernel.org/linux-mtd/20200519074549.23673-9-miquel.raynal@bootlin.com --- drivers/mtd/nand/raw/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/mtd/nand/raw/Kconfig') 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. -- cgit v1.2.3