ARM: OMAP2+: craneboard: support NAND device

 This patch enables the NAND device on the AM3517 Craneboard.

 MTD partitions are created as below.
 0x000000000000-0x000000080000 : "X-Loader"
 0x000000080000-0x000000240000 : "U-Boot"
 0x000000240000-0x000000280000 : "U-Boot Env"
 0x000000280000-0x000000780000 : "Kernel"
 0x000000780000-0x000010000000 : "File System"

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/board-am3517crane.c

@@ -20,12 +20,17 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/gpio.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 
 #include "common.h"
+#include "common-board-devices.h"
+#include "board-flash.h"
 
 #include "am35xx-emac.h"
 #include "mux.h"
@@ -51,13 +56,46 @@ static struct usbhs_omap_board_data usbhs_bdata __initdata = {
 	.reset_gpio_port[2]  = -EINVAL
 };
 
+static struct mtd_partition crane_nand_partitions[] = {
+	{
+		.name		= "X-Loader",
+		.offset		= 0,
+		.size		= 4 * NAND_BLOCK_SIZE,
+		.mask_flags	= MTD_WRITEABLE,
+	},
+	{
+		.name		= "U-Boot",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 14 * NAND_BLOCK_SIZE,
+		.mask_flags	= MTD_WRITEABLE,
+	},
+	{
+		.name		= "U-Boot Env",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 2 * NAND_BLOCK_SIZE,
+	},
+	{
+		.name		= "Kernel",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 40 * NAND_BLOCK_SIZE,
+	},
+	{
+		.name		= "File System",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= MTDPART_SIZ_FULL,
+	},
+};
+
 static void __init am3517_crane_init(void)
 {
 	int ret;
 
 	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 	omap_serial_init();
 	omap_sdrc_init(NULL, NULL);
+	board_nand_init(crane_nand_partitions,
+			ARRAY_SIZE(crane_nand_partitions), 0,
+			NAND_BUSWIDTH_16, NULL);
 
 	/* Configure GPIO for EHCI port */
 	if (omap_mux_init_gpio(GPIO_USB_NRESET, OMAP_PIN_OUTPUT)) {