[ARM] pxa/tosa: add physmap mapping for ROM

Add mapping for system ROM using physmap-flash mapping.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index c46b640e453d..3332e5d0356c 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -25,6 +25,7 @@
 #include <linux/mfd/tmio.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
 #include <linux/pm.h>
 #include <linux/gpio_keys.h>
 #include <linux/input.h>
@@ -831,6 +832,36 @@ static struct spi_board_info spi_board_info[] __initdata = {
         },
 };
 
+static struct mtd_partition sharpsl_rom_parts[] = {
+        {
+                .name   ="Boot PROM Filesystem",
+                .offset = 0x00160000,
+                .size   = MTDPART_SIZ_FULL,
+        },
+};
+
+static struct physmap_flash_data sharpsl_rom_data = {
+        .width          = 2,
+        .nr_parts       = ARRAY_SIZE(sharpsl_rom_parts),
+        .parts          = sharpsl_rom_parts,
+};
+
+static struct resource sharpsl_rom_resources[] = {
+        {
+                .start  = 0x00000000,
+                .end    = 0x007fffff,
+                .flags  = IORESOURCE_MEM,
+        },
+};
+
+static struct platform_device sharpsl_rom_device = {
+        .name   = "physmap-flash",
+        .id     = -1,
+        .resource = sharpsl_rom_resources,
+        .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
+        .dev.platform_data = &sharpsl_rom_data,
+};
+
 static struct platform_device *devices[] __initdata = {
         &tosascoop_device,
         &tosascoop_jc_device,
@@ -840,6 +871,7 @@ static struct platform_device *devices[] __initdata = {
         &tosa_gpio_keys_device,
         &tosaled_device,
         &tosa_bt_device,
+        &sharpsl_rom_device,
 };
 
 static void tosa_poweroff(void)