From: Bo Shen <voice.shen@gmail.com>
Date: Wed, 28 Aug 2013 14:54:26 +0000 (+0000)
Subject: MTD: atmel_nand: support for software BCH ECC
X-Git-Tag: v2014.01-rc1~3^2~12
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=7604a3f920031aa6f3426eedf44494b69ae291e1;p=oweals%2Fu-boot.git

MTD: atmel_nand: support for software BCH ECC

Add possible to use software BCH ECC for atmel nand driver

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

diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index da83f06e47..10011c6a8f 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -1178,7 +1178,11 @@ 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
 #ifdef CONFIG_SYS_NAND_DBW_16
 	nand->options = NAND_BUSWIDTH_16;
 #endif