ARM: 6796/1: Footbridge: Fix I/O mappings for NOMMU mode

Use the correct I/O address definitions for Footbridge
peripherals when the kernel is compiled without MMU
support.

Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 22 insertions, 9 deletions

diff --git a/arch/arm/mach-footbridge/include/mach/hardware.h b/arch/arm/mach-footbridge/include/mach/hardware.h
index 51dd902043ad..b6fdf23ecf6c 100644
--- a/arch/arm/mach-footbridge/include/mach/hardware.h
+++ b/arch/arm/mach-footbridge/include/mach/hardware.h
@@ -23,26 +23,33 @@
  * 0xf9000000   0x50000000      1MB     Cache flush
  * 0xf0000000   0x80000000      16MB    ISA memory
  */
+
+#ifdef CONFIG_MMU
+#define MMU_IO(a, b)    (a)
+#else
+#define MMU_IO(a, b)    (b)
+#endif
+
 #define XBUS_SIZE               0x00100000
-#define XBUS_BASE               0xff800000
+#define XBUS_BASE               MMU_IO(0xff800000, 0x40000000)
 
 #define ARMCSR_SIZE             0x00100000
-#define ARMCSR_BASE             0xfe000000
+#define ARMCSR_BASE             MMU_IO(0xfe000000, 0x42000000)
 
 #define WFLUSH_SIZE             0x00100000
-#define WFLUSH_BASE             0xfd000000
+#define WFLUSH_BASE             MMU_IO(0xfd000000, 0x78000000)
 
 #define PCIIACK_SIZE            0x00100000
-#define PCIIACK_BASE            0xfc000000
+#define PCIIACK_BASE            MMU_IO(0xfc000000, 0x79000000)
 
 #define PCICFG1_SIZE            0x01000000
-#define PCICFG1_BASE            0xfb000000
+#define PCICFG1_BASE            MMU_IO(0xfb000000, 0x7a000000)
 
 #define PCICFG0_SIZE            0x01000000
-#define PCICFG0_BASE            0xfa000000
+#define PCICFG0_BASE            MMU_IO(0xfa000000, 0x7b000000)
 
 #define PCIMEM_SIZE             0x01000000
-#define PCIMEM_BASE             0xf0000000
+#define PCIMEM_BASE             MMU_IO(0xf0000000, 0x80000000)
 
 #define XBUS_LEDS               ((volatile unsigned char *)(XBUS_BASE + 0x12000))
 #define XBUS_LED_AMBER          (1 << 0)
diff --git a/arch/arm/mach-footbridge/include/mach/io.h b/arch/arm/mach-footbridge/include/mach/io.h
index 101a4fe90bde..32e4cc397c28 100644
--- a/arch/arm/mach-footbridge/include/mach/io.h
+++ b/arch/arm/mach-footbridge/include/mach/io.h
@@ -14,8 +14,14 @@
 #ifndef __ASM_ARM_ARCH_IO_H
 #define __ASM_ARM_ARCH_IO_H
 
-#define PCIO_SIZE               0x00100000
-#define PCIO_BASE               0xff000000
+#ifdef CONFIG_MMU
+#define MMU_IO(a, b)    (a)
+#else
+#define MMU_IO(a, b)    (b)
+#endif
+
+#define PCIO_SIZE       0x00100000
+#define PCIO_BASE       MMU_IO(0xff000000, 0x7c000000)
 
 #define IO_SPACE_LIMIT 0xffff