ARM: S3C64XX: Add virtual mapping for S3C64XX SROM area

This adds the physical address of the SROM unit, and
applies a virtual mapping for it to the S3C_VA_MEM
slot.
Signed-off-by: Andy Green <andy@warmcat.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

arch/arm/mach-s3c6400/include/mach/map.h

@@ -50,6 +50,8 @@
 #define S3C_VA_UART2		S3C_VA_UARTx(2)
 #define S3C_VA_UART3		S3C_VA_UARTx(3)
 
+#define S3C64XX_PA_SROM		(0x70000000)
+
 #define S3C64XX_PA_NAND		(0x70200000)
 #define S3C64XX_PA_FB		(0x77100000)
 #define S3C64XX_PA_USB_HSOTG	(0x7C000000)

arch/arm/plat-s3c64xx/cpu.c

@@ -72,6 +72,11 @@ static struct map_desc s3c_iodesc[] __initdata = {
 		.pfn		= __phys_to_pfn(S3C64XX_PA_SYSCON),
 		.length		= SZ_4K,
 		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_MEM,
+		.pfn		= __phys_to_pfn(S3C64XX_PA_SROM),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
 	}, {
 		.virtual	= (unsigned long)(S3C_VA_UART + UART_OFFS),
 		.pfn		= __phys_to_pfn(S3C_PA_UART),