[ARM] Fix arch-realview/system.h to use __io_address()

Move __io_address to arch-realview/hardware.h, drop core.h from platsmp.c
and localtimer.c, and include asm/io.h where required.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-realview/core.h

@@ -26,8 +26,6 @@
 #include <asm/leds.h>
 #include <asm/io.h>
 
-#define __io_address(n)		__io(IO_ADDRESS(n))
-
 extern struct sys_timer realview_timer;
 
 #define AMBA_DEVICE(name,busid,base,plat)			\

arch/arm/mach-realview/localtimer.c

@@ -21,8 +21,6 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 
-#include "core.h"
-
 #define TWD_BASE(cpu)	(__io_address(REALVIEW_TWD_BASE) + \
 			 ((cpu) * REALVIEW_TWD_SIZE))
 

arch/arm/mach-realview/platsmp.c

@@ -17,8 +17,7 @@
 #include <asm/cacheflush.h>
 #include <asm/hardware/arm_scu.h>
 #include <asm/hardware.h>
-
-#include "core.h"
+#include <asm/io.h>
 
 extern void realview_secondary_startup(void);
 

include/asm-arm/arch-realview/hardware.h

@@ -27,5 +27,6 @@
 
 /* macro to get at IO space when running virtually */
 #define IO_ADDRESS(x)		(((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000)
+#define __io_address(n)		__io(IO_ADDRESS(n))
 
 #endif

include/asm-arm/arch-realview/system.h

@@ -36,7 +36,7 @@ static inline void arch_idle(void)
 
 static inline void arch_reset(char mode)
 {
-	unsigned int hdr_ctrl =	(IO_ADDRESS(REALVIEW_SYS_BASE) + REALVIEW_SYS_RESETCTL_OFFSET);
+	void __iomem *hdr_ctrl = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_RESETCTL_OFFSET;
 	unsigned int val;
 
 	/*