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>

1 files changed, 49 insertions, 0 deletions

diff --git a/arch/sh/boards/mach-highlander/setup.c b/arch/sh/boards/mach-highlander/setup.c
index 20fe72c..df054e5 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