Re: [U-Boot] [PATCH] MTD: atmel_nand: support for software BCH ECC

Hi Bo,

On 08/28/2013 04:54 PM, Bo Shen wrote:

Add possible to use software BCH ECC for atmel nand driver

Signed-off-by: Bo Shen voice.shen@gmail.com

---

drivers/mtd/nand/atmel_nand.c | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c index 96aca00..52efbee 100644 --- a/drivers/mtd/nand/atmel_nand.c +++ b/drivers/mtd/nand/atmel_nand.c @@ -1177,7 +1177,11 @@ int atmel_nand_chip_init(int devnum, ulong base_addr) mtd->priv = nand; nand->IO_ADDR_R = nand->IO_ADDR_W = (void __iomem *)base_addr;

+#ifdef CONFIG_NAND_ECC_BCH

• nand->ecc.mode = NAND_ECC_SOFT_BCH;

+#else nand->ecc.mode = NAND_ECC_SOFT; +#endif

I don't think this is enough for sw supported bch. Where do you feed the libbch?

Best regards

Andreas Bießmann