[ARM] pxa/vpac270: add OneNAND support

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

arch/arm/mach-pxa/vpac270.c

@@ -21,6 +21,7 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
+#include <linux/mtd/onenand.h>
 #include <linux/dm9000.h>
 #include <linux/ucb1400.h>
 #include <linux/ata_platform.h>
@@ -149,7 +150,7 @@ static unsigned long vpac270_pin_config[] __initdata = {
  * NOR Flash
  ******************************************************************************/
 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
-static struct mtd_partition vpac270_partitions[] = {
+static struct mtd_partition vpac270_nor_partitions[] = {
 	{
 		.name		= "Flash",
 		.offset		= 0x00000000,
@@ -160,8 +161,8 @@ static struct mtd_partition vpac270_partitions[] = {
 static struct physmap_flash_data vpac270_flash_data[] = {
 	{
 		.width		= 2,	/* bankwidth in bytes */
-		.parts		= vpac270_partitions,
-		.nr_parts	= ARRAY_SIZE(vpac270_partitions)
+		.parts		= vpac270_nor_partitions,
+		.nr_parts	= ARRAY_SIZE(vpac270_nor_partitions)
 	}
 };
 
@@ -188,6 +189,49 @@ static void __init vpac270_nor_init(void)
 static inline void vpac270_nor_init(void) {}
 #endif
 
+/******************************************************************************
+ * OneNAND Flash
+ ******************************************************************************/
+#if defined(CONFIG_MTD_ONENAND) || defined(CONFIG_MTD_ONENAND_MODULE)
+static struct mtd_partition vpac270_onenand_partitions[] = {
+	{
+		.name		= "Flash",
+		.offset		= 0x00000000,
+		.size		= MTDPART_SIZ_FULL,
+	}
+};
+
+static struct onenand_platform_data vpac270_onenand_info = {
+	.parts		= vpac270_onenand_partitions,
+	.nr_parts	= ARRAY_SIZE(vpac270_onenand_partitions),
+};
+
+static struct resource vpac270_onenand_resources[] = {
+	[0] = {
+		.start	= PXA_CS0_PHYS,
+		.end	= PXA_CS0_PHYS + SZ_1M,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device vpac270_onenand = {
+	.name		= "onenand-flash",
+	.id		= -1,
+	.resource	= vpac270_onenand_resources,
+	.num_resources	= ARRAY_SIZE(vpac270_onenand_resources),
+	.dev		= {
+		.platform_data	= &vpac270_onenand_info,
+	},
+};
+
+static void __init vpac270_onenand_init(void)
+{
+	platform_device_register(&vpac270_onenand);
+}
+#else
+static void __init vpac270_onenand_init(void) {}
+#endif
+
 /******************************************************************************
  * SD/MMC card controller
  ******************************************************************************/
@@ -549,6 +593,7 @@ static void __init vpac270_init(void)
 	vpac270_lcd_init();
 	vpac270_mmc_init();
 	vpac270_nor_init();
+	vpac270_onenand_init();
 	vpac270_leds_init();
 	vpac270_keys_init();
 	vpac270_uhc_init();