set nand partition for davinci ntosd board

arch/arm/configs/ntosd_644xA_defconfig

@@ -473,7 +473,7 @@ CONFIG_MTD_NAND_IDS=y
 # CONFIG_MTD_NAND_DISKONCHIP is not set
 # CONFIG_MTD_NAND_NANDSIM is not set
 # CONFIG_MTD_NAND_PLATFORM is not set
-# CONFIG_MTD_NAND_DAVINCI is not set
+CONFIG_MTD_NAND_DAVINCI=y
 # CONFIG_MTD_ONENAND is not set
 
 #

arch/arm/mach-davinci/board-ntosd-644xA.c

@@ -100,11 +100,40 @@ static struct platform_device ntosd_644xa_norflash_device = {
 };
 
 #if defined(CONFIG_MTD_NAND_DAVINCI) || defined(CONFIG_MTD_NAND_DAVINCI_MODULE)
+#define UBOOT_START 0x18000
 struct mtd_partition ntosd_644xa_nandflash_partition[] = {
-	/* 5 MB space at the beginning for bootloader and kernel */
+	/* uboot parameter */
+	{
+		.name		= "u-boot-parameter",
+		.offset		= 0,
+		.size		= 1 * SZ_16K,
+		.mask_flags	= 0,
+	},
+	/* ubl */
+	{
+		.name		= "ubl",
+		.offset		= 1 * SZ_16K,
+		.size		= 5 * SZ_16K,
+		.mask_flags	= 0,
+	},
+	/* 1 MB space from bootloader start for bootloader */
+	{
+		.name		= "u-boot",
+		.offset		= UBOOT_START,
+		.size		= 1 * SZ_1M,
+		.mask_flags	= 0,
+	},
+	/* 5 MB space for kernel */
+	{
+		.name		= "kernel",
+		.offset		= 1 * SZ_1M + UBOOT_START,
+		.size		= 5 * SZ_1M,
+		.mask_flags	= 0,
+	},
+	/* the rest for rootfs */
 	{
 		.name		= "NAND filesystem",
-		.offset		= 5 * SZ_1M,
+		.offset		= 6 * SZ_1M + UBOOT_START,
 		.size		= MTDPART_SIZ_FULL,
 		.mask_flags	= 0,
 	}