ARM: footbridge: use fixed PCI i/o mapping

Move footbridge PCI to fixed i/o mapping. io.h is still needed for the
!MMU case.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>

2 files changed, 4 insertions, 11 deletions

diff --git a/arch/arm/mach-footbridge/include/mach/debug-macro.S b/arch/arm/mach-footbridge/include/mach/debug-macro.S
index e5acde25ffc5..c169f0c99b2a 100644
--- a/arch/arm/mach-footbridge/include/mach/debug-macro.S
+++ b/arch/arm/mach-footbridge/include/mach/debug-macro.S
@@ -17,7 +17,8 @@
         /* For NetWinder debugging */
                 .macro  addruart, rp, rv, tmp
                 mov     \rp, #0x000003f8
-                orr     \rv, \rp, #0xff000000   @ virtual
+                orr     \rv, \rp, #0xfe000000   @ virtual
+                orr     \rv, \rv, #0x00e00000   @ virtual
                 orr     \rp, \rp, #0x7c000000   @ physical
                 .endm
 
diff --git a/arch/arm/mach-footbridge/include/mach/io.h b/arch/arm/mach-footbridge/include/mach/io.h
index aba531eebbc6..aba46388cc0c 100644
--- a/arch/arm/mach-footbridge/include/mach/io.h
+++ b/arch/arm/mach-footbridge/include/mach/io.h
@@ -14,18 +14,10 @@
 #ifndef __ASM_ARM_ARCH_IO_H
 #define __ASM_ARM_ARCH_IO_H
 
-#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)
-
 /*
- * Translation of various region addresses to virtual addresses
+ * Translation of various i/o addresses to host addresses for !CONFIG_MMU
  */
+#define PCIO_BASE       0x7c000000
 #define __io(a)                 ((void __iomem *)(PCIO_BASE + (a)))
 
 #endif