[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>

1 files changed, 48 insertions, 3 deletions

diff --git a/arch/arm/mach-pxa/vpac270.c b/arch/arm/mach-pxa/vpac270.c
index a1b39c4674da..46ad1b7bde85 100644
--- a/arch/arm/mach-pxa/vpac270.c
+++ b/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)
         }
 };
 
@@ -189,6 +190,49 @@ 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
  ******************************************************************************/
 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
@@ -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();