[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>

diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index 65558d6aa220d396e1e10c350ae5ebbc679f53bf..c5e28a46b2929cc92133073608eaf84606971ca6 100644 (file)
--- 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)