sh: MigoR NOR flash support using physmap-flash

Add NOR flash support to the MigoR board by giving board specific data
to the physmap-flash platform driver.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/arch/sh/boards/renesas/migor/setup.c b/arch/sh/boards/renesas/migor/setup.c
index 21df385..44d9b56 100644 (file)
--- a/arch/sh/boards/renesas/migor/setup.c
+++ b/arch/sh/boards/renesas/migor/setup.c
@@ -11,6 +11,7 @@
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
 #include <linux/input.h>
+#include <linux/mtd/physmap.h>
 #include <asm/machvec.h>
 #include <asm/io.h>
 #include <asm/sh_keysc.h>
@@ -77,9 +78,54 @@ static struct platform_device sh_keysc_device = {
        },
 };
 
+static struct mtd_partition migor_nor_flash_partitions[] =
+{
+       {
+               .name = "uboot",
+               .offset = 0,
+               .size = (1 * 1024 * 1024),
+               .mask_flags = MTD_WRITEABLE,    /* Read-only */
+       },
+       {
+               .name = "rootfs",
+               .offset = MTDPART_OFS_APPEND,
+               .size = (15 * 1024 * 1024),
+       },
+       {
+               .name = "other",
+               .offset = MTDPART_OFS_APPEND,
+               .size = MTDPART_SIZ_FULL,
+       },
+};
+
+static struct physmap_flash_data migor_nor_flash_data = {
+       .width          = 2,
+       .parts          = migor_nor_flash_partitions,
+       .nr_parts       = ARRAY_SIZE(migor_nor_flash_partitions),
+};
+
+static struct resource migor_nor_flash_resources[] = {
+       [0] = {
+               .name           = "NOR Flash",
+               .start          = 0x00000000,
+               .end            = 0x03ffffff,
+               .flags          = IORESOURCE_MEM,
+       }
+};
+
+static struct platform_device migor_nor_flash_device = {
+       .name           = "physmap-flash",
+       .resource       = migor_nor_flash_resources,
+       .num_resources  = ARRAY_SIZE(migor_nor_flash_resources),
+       .dev            = {
+               .platform_data = &migor_nor_flash_data,
+       },
+};
+
 static struct platform_device *migor_devices[] __initdata = {
        &smc91x_eth_device,
        &sh_keysc_device,
+       &migor_nor_flash_device,
 };
 
 static int __init migor_devices_setup(void)