sh: mach-r2d: add physmap-flash support for R2D+ boards.

[pandora-kernel.git] / arch / sh / boards / mach-r2d / setup.c

diff --git a/arch/sh/boards/mach-r2d/setup.c b/arch/sh/boards/mach-r2d/setup.c
index c585be0..a625ecb 100644 (file)
--- a/arch/sh/boards/mach-r2d/setup.c
+++ b/arch/sh/boards/mach-r2d/setup.c
@@ -10,6 +10,9 @@
  */
 #include <linux/init.h>
 #include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
 #include <linux/ata_platform.h>
 #include <linux/sm501.h>
 #include <linux/sm501-regs.h>
@@ -181,6 +184,50 @@ static struct platform_device sm501_device = {
        .resource       = sm501_resources,
 };
 
+static struct mtd_partition r2d_partitions[] = {
+       {
+               .name           = "U-Boot",
+               .offset         = 0x00000000,
+               .size           = 0x00040000,
+               .mask_flags     = MTD_WRITEABLE,
+       }, {
+               .name           = "Environment",
+               .offset         = MTDPART_OFS_NXTBLK,
+               .size           = 0x00040000,
+               .mask_flags     = MTD_WRITEABLE,
+       }, {
+               .name           = "Kernel",
+               .offset         = MTDPART_OFS_NXTBLK,
+               .size           = 0x001c0000,
+       }, {
+               .name           = "Flash_FS",
+               .offset         = MTDPART_OFS_NXTBLK,
+               .size           = MTDPART_SIZ_FULL,
+       }
+};
+
+static struct physmap_flash_data flash_data = {
+       .width          = 2,
+       .nr_parts       = ARRAY_SIZE(r2d_partitions),
+       .parts          = r2d_partitions,
+};
+
+static struct resource flash_resource = {
+       .start          = 0x00000000,
+       .end            = 0x02000000,
+       .flags          = IORESOURCE_MEM,
+};
+
+static struct platform_device flash_device = {
+       .name           = "physmap-flash",
+       .id             = -1,
+       .resource       = &flash_resource,
+       .num_resources  = 1,
+       .dev            = {
+               .platform_data = &flash_data,
+       },
+};
+
 static struct platform_device *rts7751r2d_devices[] __initdata = {
        &sm501_device,
        &heartbeat_device,
@@ -203,6 +250,9 @@ static int __init rts7751r2d_devices_setup(void)
        if (register_trapped_io(&cf_trapped_io) == 0)
                platform_device_register(&cf_ide_device);
 
+       if (mach_is_r2d_plus())
+               platform_device_register(&flash_device);
+
        spi_register_board_info(spi_bus, ARRAY_SIZE(spi_bus));
 
        return platform_add_devices(rts7751r2d_devices,