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>

diff --git a/arch/arm/mach-ux500/cpu-db5500.c b/arch/arm/mach-ux500/cpu-db5500.c
index c9dc2ef..c01bc19 100644 (file)
--- a/arch/arm/mach-ux500/cpu-db5500.c
+++ b/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[] = {

diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c
index 516126c..3d419fe 100644 (file)
--- a/arch/arm/mach-ux500/cpu-db8500.c
+++ b/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[] = {

diff --git a/arch/arm/mach-ux500/cpu.c b/arch/arm/mach-ux500/cpu.c
index 5a43107..0190e0e 100644 (file)
--- a/arch/arm/mach-ux500/cpu.c
+++ b/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

diff --git a/arch/arm/mach-ux500/include/mach/hardware.h b/arch/arm/mach-ux500/include/mach/hardware.h
index bf63f26..2c6f710 100644 (file)
--- a/arch/arm/mach-ux500/include/mach/hardware.h
+++ b/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)
 

diff --git a/arch/arm/mach-ux500/include/mach/prcmu-regs.h b/arch/arm/mach-ux500/include/mach/prcmu-regs.h
index 455467e..c1226da 100644 (file)
--- a/arch/arm/mach-ux500/include/mach/prcmu-regs.h
+++ b/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)