Index: uboot_davinci/cpu/arm926ejs/davinci/nand.c
===================================================================
--- uboot_davinci.orig/cpu/arm926ejs/davinci/nand.c
+++ uboot_davinci/cpu/arm926ejs/davinci/nand.c
@@ -98,7 +98,11 @@ static struct nand_oobinfo davinci_nand_
 static struct nand_oobinfo davinci_nand_oobinfo = {
 	.useecc = MTD_NANDECC_AUTOPLACE,
 	.eccbytes = 3,
+#ifdef CFG_NAND_RBLECC
+	.eccpos = {0, 1, 2, 3},
+#else
 	.eccpos = {0, 1, 2},
+#endif
 	.oobfree = { {6, 2}, {8, 8} }
 };
 #else
@@ -150,9 +154,17 @@ static int nand_davinci_calculate_ecc(st
 	region = 1;
 	while (n--) {
 		tmp = nand_davinci_readecc(mtd, region);
+#ifdef CFG_NAND_RBLECC
+		*ecc_code++ = (tmp >> 24) & 0xff;
+		*ecc_code++ = (tmp >> 16) & 0xff;
+		*ecc_code++ = (tmp >>  8) & 0xff;
+		*ecc_code++ = (tmp      ) & 0xff;
+		this->eccbytes = 4;
+#else
 		*ecc_code++ = tmp;
 		*ecc_code++ = tmp >> 16;
 		*ecc_code++ = ((tmp >> 8) & 0x0f) | ((tmp >> 20) & 0xf0);
+#endif
 		region++;
 	}
 	return(0);
Index: uboot_davinci/include/configs/davinci_dvevm.h
===================================================================
--- uboot_davinci.orig/include/configs/davinci_dvevm.h
+++ uboot_davinci/include/configs/davinci_dvevm.h
@@ -52,6 +52,11 @@
 #define DV_EVM
 #define CFG_NAND_SMALLPAGE
 #define CFG_USE_NOR
+/* #define CFG_USE_NAND */
+/* #define CFG_NAND_RBLECC */
+/* #define CONFIG_MTD_NAND_VERIFY_WRITE */
+/* #define CONFIG_MTD_DEBUG */
+/* #define CONFIG_MTD_DEBUG_VERBOSE 0 */
 /*===================*/
 /* SoC Configuration */
 /*===================*/