diff --git a/arch/arm/include/asm/arch-at91/at91sam9x5.h b/arch/arm/include/asm/arch-at91/at91sam9x5.h
index fcc6fdc21931f14039da99bb4f9f2689926a827d..a47103851e48594c1a19b64d4d1a1ef2303a1e89 100644
--- a/arch/arm/include/asm/arch-at91/at91sam9x5.h
+++ b/arch/arm/include/asm/arch-at91/at91sam9x5.h
@@ -161,6 +161,12 @@
 #define ATMEL_PMC_UHP		AT91SAM926x_PMC_UHP
 #define ATMEL_ID_UHP		ATMEL_ID_UHPHS
 
+/*
+ * PMECC table in ROM
+ */
+#define ATMEL_PMECC_INDEX_OFFSET_512	0x8000
+#define ATMEL_PMECC_INDEX_OFFSET_1024	0x10000
+
 /*
  * at91sam9x5 specific prototypes
  */
diff --git a/doc/README.atmel_pmecc b/doc/README.atmel_pmecc
index b483744ea5987b84aa1c05c608cac13967aa625e..41f3bd786084a46a4321c946e040ac1d4038b757 100644
--- a/doc/README.atmel_pmecc
+++ b/doc/README.atmel_pmecc
@@ -19,17 +19,6 @@ To use PMECC in this driver, the user needs to set:
 	   It can be 2, 4, 8, 12 or 24.
 	2. The PMECC sector size: CONFIG_PMECC_SECTOR_SIZE.
 	   It only can be 512 or 1024.
-	3. The PMECC index lookup table's offsets in ROM code: CONFIG_PMECC_INDEX_TABLE_OFFSET.
-	   In the chip datasheet section "Boot Stragegies", you can find
-	   two Galois Field Table in the ROM code. One table is for 512-bytes
-	   sector. Another is for 1024-byte sector. Each Galois Field includes
-	   two sub-table: indext table & alpha table.
-	   In the beginning of each Galois Field Table is the index table,
-	   Alpha table is in the following.
-	   So the index table's offset is same as the Galois Field Table.
-
-	   Please set CONFIG_PMECC_INDEX_TABLE_OFFSET correctly according the
-	   Galois Field Table's offset base on the sector size you used.
 
 Take AT91SAM9X5EK as an example, the board definition file likes:
 
@@ -38,7 +27,4 @@ Take AT91SAM9X5EK as an example, the board definition file likes:
 #define CONFIG_ATMEL_NAND_HW_PMECC	1
 #define CONFIG_PMECC_CAP		2
 #define CONFIG_PMECC_SECTOR_SIZE	512
-#define CONFIG_PMECC_INDEX_TABLE_OFFSET	0x8000
 
-NOTE: If you use 1024 as the sector size, then need set 0x10000 as the
- CONFIG_PMECC_INDEX_TABLE_OFFSET
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index f844990e381782803c99f350f60c52c8bd0b6368..304491bcb41b8d90738c49ef7b601f8ad41efceb 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -637,7 +637,10 @@ static int atmel_pmecc_nand_init_params(struct nand_chip *nand,
 
 	cap = host->pmecc_corr_cap = CONFIG_PMECC_CAP;
 	sector_size = host->pmecc_sector_size = CONFIG_PMECC_SECTOR_SIZE;
-	host->pmecc_index_table_offset = CONFIG_PMECC_INDEX_TABLE_OFFSET;
+	if (host->pmecc_sector_size == 512)
+		host->pmecc_index_table_offset = ATMEL_PMECC_INDEX_OFFSET_512;
+	else
+		host->pmecc_index_table_offset = ATMEL_PMECC_INDEX_OFFSET_1024;
 
 	MTDDEBUG(MTD_DEBUG_LEVEL1,
 		"Initialize PMECC params, cap: %d, sector: %d\n",
diff --git a/include/configs/at91sam9x5ek.h b/include/configs/at91sam9x5ek.h
index b866a4b0c382905107722a21d74fad4e3e24e233..c799955ba60ca6fb757df4d5c16d274442d83852 100644
--- a/include/configs/at91sam9x5ek.h
+++ b/include/configs/at91sam9x5ek.h
@@ -121,7 +121,6 @@
 #define CONFIG_ATMEL_NAND_HW_PMECC	1
 #define CONFIG_PMECC_CAP		2
 #define CONFIG_PMECC_SECTOR_SIZE	512
-#define CONFIG_PMECC_INDEX_TABLE_OFFSET	0x8000
 
 #define CONFIG_CMD_NAND_TRIMFFS
 
diff --git a/include/configs/sama5d3xek.h b/include/configs/sama5d3xek.h
index 3dcf012dd87d0e78a20e43e9f3764829d8ed22c1..ab9617eae9251e079c1bbebcad6406317d311cae 100644
--- a/include/configs/sama5d3xek.h
+++ b/include/configs/sama5d3xek.h
@@ -126,7 +126,6 @@
 #define CONFIG_ATMEL_NAND_HW_PMECC
 #define CONFIG_PMECC_CAP		4
 #define CONFIG_PMECC_SECTOR_SIZE	512
-#define CONFIG_PMECC_INDEX_TABLE_OFFSET	ATMEL_PMECC_INDEX_OFFSET_512
 #define CONFIG_CMD_NAND_TRIMFFS
 #endif