[ARM] pxa/corgi: 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/corgi.c b/arch/arm/mach-pxa/corgi.c
index 65558d6aa220..c5e28a46b292 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -19,6 +19,7 @@
 #include <linux/fs.h>
 #include <linux/interrupt.h>
 #include <linux/mmc/host.h>
+#include <linux/mtd/physmap.h>
 #include <linux/pm.h>
 #include <linux/gpio.h>
 #include <linux/backlight.h>
@@ -541,11 +542,42 @@ err_free_1:
 static inline void corgi_init_spi(void) {}
 #endif
 
+static struct mtd_partition sharpsl_rom_parts[] = {
+        {
+                .name   ="Boot PROM Filesystem",
+                .offset = 0x00120000,
+                .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 = {
         &corgiscoop_device,
         &corgifb_device,
         &corgikbd_device,
         &corgiled_device,
+        &sharpsl_rom_device,
 };
 
 static void corgi_poweroff(void)