sh: Add support mtd mapping for highlander

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

2 files changed, 52 insertions, 0 deletions

diff --git a/arch/sh/boards/mach-highlander/setup.c b/arch/sh/boards/mach-highlander/setup.c
index 20fe72c515d..df054e54bab 100644
--- a/arch/sh/boards/mach-highlander/setup.c
+++ b/arch/sh/boards/mach-highlander/setup.c
@@ -17,6 +17,7 @@
 #include <linux/platform_device.h>
 #include <linux/ata_platform.h>
 #include <linux/types.h>
+#include <linux/mtd/physmap.h>
 #include <linux/i2c.h>
 #include <linux/irq.h>
 #include <net/ax88796.h>
@@ -178,6 +179,53 @@ static struct platform_device ax88796_device = {
         .resource       = ax88796_resources,
 };
 
+static struct mtd_partition nor_flash_partitions[] = {
+        {
+                .name           = "loader",
+                .offset         = 0x00000000,
+                .size           = 512 * 1024,
+        },
+        {
+                .name           = "bootenv",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = 512 * 1024,
+        },
+        {
+                .name           = "kernel",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = 4 * 1024 * 1024,
+        },
+        {
+                .name           = "data",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = MTDPART_SIZ_FULL,
+        },
+};
+
+static struct physmap_flash_data nor_flash_data = {
+        .width          = 4,
+        .parts          = nor_flash_partitions,
+        .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
+};
+
+/* This config is flash board for mass production. */
+static struct resource nor_flash_resources[] = {
+        [0]     = {
+                .start  = PA_NORFLASH_ADDR,
+                .end    = PA_NORFLASH_ADDR + PA_NORFLASH_SIZE - 1,
+                .flags  = IORESOURCE_MEM,
+        }
+};
+
+static struct platform_device nor_flash_device = {
+        .name           = "physmap-flash",
+        .dev            = {
+                .platform_data  = &nor_flash_data,
+        },
+        .num_resources  = ARRAY_SIZE(nor_flash_resources),
+        .resource       = nor_flash_resources,
+};
+
 static struct resource smbus_resources[] = {
         [0] = {
                 .start  = PA_SMCR,
@@ -209,6 +257,7 @@ static struct platform_device *r7780rp_devices[] __initdata = {
         &m66592_usb_peripheral_device,
         &heartbeat_device,
         &smbus_device,
+        &nor_flash_device,
 #ifndef CONFIG_SH_R7780RP
         &ax88796_device,
 #endif
diff --git a/arch/sh/include/mach-common/mach/highlander.h b/arch/sh/include/mach-common/mach/highlander.h
index bd26a848cb0..5d9d4d5154b 100644
--- a/arch/sh/include/mach-common/mach/highlander.h
+++ b/arch/sh/include/mach-common/mach/highlander.h
@@ -2,6 +2,9 @@
 #define __ASM_SH_RENESAS_R7780RP_H
 
 /* Box specific addresses.  */
+#define PA_NORFLASH_ADDR        0x00000000
+#define PA_NORFLASH_SIZE        0x04000000
+
 #if defined(CONFIG_SH_R7780MP)
 #define PA_BCR          0xa4000000      /* FPGA */
 #define PA_SDPOW        (-1)