[ARM] Move FLUSH_BASE macros to asm/arch/memory.h

FLUSH_BASE must be visible to arch/arm/mm/init.c in order for the
memory region to be setup.  Move these definitions from
asm-arm/arch-*/hardware.h into asm-arm/arch-*/memory.h where mm
stuff can see them.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/asm-arm/arch-rpc/hardware.h b/include/asm-arm/arch-rpc/hardware.h
index 9d7f873..7480f4e 100644
--- a/include/asm-arm/arch-rpc/hardware.h
+++ b/include/asm-arm/arch-rpc/hardware.h
@@ -46,7 +46,6 @@
 #define SCREEN_END		0xdfc00000
 #define SCREEN_BASE		0xdf800000
 
-#define FLUSH_BASE		0xdf000000
 #define UNCACHEABLE_ADDR	0xdf010000
 
 /*
@@ -59,8 +58,6 @@
 #define PCIO_BASE		IOMEM(0xe0010000)
 #define FLOPPYDMA_BASE		IOMEM(0xe002a000)
 
-#define FLUSH_BASE_PHYS		0x00000000	/* ROM */
-
 #define vidc_writel(val)	__raw_writel(val, VIDC_BASE)
 
 #define IO_EC_EASI_BASE		0x81400000
diff --git a/include/asm-arm/arch-rpc/memory.h b/include/asm-arm/arch-rpc/memory.h
index 0592cb3..303c424 100644
--- a/include/asm-arm/arch-rpc/memory.h
+++ b/include/asm-arm/arch-rpc/memory.h
@@ -30,4 +30,10 @@
 #define __virt_to_bus(x) __virt_to_phys(x)
 #define __bus_to_virt(x) __phys_to_virt(x)
 
+/*
+ * Cache flushing area - ROM
+ */
+#define FLUSH_BASE_PHYS		0x00000000
+#define FLUSH_BASE		0xdf000000
+
 #endif