ARM: sirf: enable multiplatform support

All the prerequisites are there now, so we can move sirf into multiplatform.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/mach-prima2/common.h b/arch/arm/mach-prima2/common.h
index 54262cf..81135cd 100644
--- a/arch/arm/mach-prima2/common.h
+++ b/arch/arm/mach-prima2/common.h
@@ -13,6 +13,9 @@
 #include <asm/mach/time.h>
 #include <asm/exception.h>
 
+#define SIRFSOC_VA_BASE		_AC(0xFEC00000, UL)
+#define SIRFSOC_VA(x)		(SIRFSOC_VA_BASE + ((x) & 0x00FFF000))
+
 extern struct smp_operations   sirfsoc_smp_ops;
 extern void sirfsoc_secondary_startup(void);
 extern void sirfsoc_cpu_die(unsigned int cpu);