mach-ux500: make PRCMU base address dynamic

This makes the PRCMU base address be selected at runtime for U8500
and U5500 instead of being compiled-in.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/mach-ux500/cpu-db5500.c

@@ -188,6 +188,8 @@ void __init u5500_map_io(void)
 	ux500_map_io();
 
 	iotable_init(u5500_io_desc, ARRAY_SIZE(u5500_io_desc));
+
+	_PRCMU_BASE = __io_address(U5500_PRCMU_BASE);
 }
 
 static int usb_db5500_rx_dma_cfg[] = {

arch/arm/mach-ux500/cpu-db8500.c

@@ -87,6 +87,8 @@ void __init u8500_map_io(void)
 		iotable_init(u8500_v1_io_desc, ARRAY_SIZE(u8500_v1_io_desc));
 	else if (cpu_is_u8500v2())
 		iotable_init(u8500_v2_io_desc, ARRAY_SIZE(u8500_v2_io_desc));
+
+	_PRCMU_BASE = __io_address(U8500_PRCMU_BASE);
 }
 
 static struct resource db8500_pmu_resources[] = {

arch/arm/mach-ux500/cpu.c

@@ -23,6 +23,8 @@
 
 #include "clock.h"
 
+void __iomem *_PRCMU_BASE;
+
 #ifdef CONFIG_CACHE_L2X0
 static void __iomem *l2x0_base;
 #endif

arch/arm/mach-ux500/include/mach/hardware.h

@@ -35,6 +35,7 @@
 #ifndef __ASSEMBLY__
 
 #include <mach/id.h>
+extern void __iomem *_PRCMU_BASE;
 
 #define ARRAY_AND_SIZE(x)	(x), ARRAY_SIZE(x)
 

arch/arm/mach-ux500/include/mach/prcmu-regs.h

@@ -15,8 +15,6 @@
 
 #include <mach/hardware.h>
 
-#define _PRCMU_BASE		IO_ADDRESS(U8500_PRCMU_BASE)
-
 #define PRCM_ARM_PLLDIVPS	(_PRCMU_BASE + 0x118)
 #define PRCM_ARM_CHGCLKREQ	(_PRCMU_BASE + 0x114)
 #define PRCM_PLLARM_ENABLE	(_PRCMU_BASE + 0x98)