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Diffstat (limited to 'arch/arm/mach-integrator/include/mach/hardware.h')
-rw-r--r--arch/arm/mach-integrator/include/mach/hardware.h14
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/arm/mach-integrator/include/mach/hardware.h b/arch/arm/mach-integrator/include/mach/hardware.h
index d44af72..8e26360 100644
--- a/arch/arm/mach-integrator/include/mach/hardware.h
+++ b/arch/arm/mach-integrator/include/mach/hardware.h
@@ -35,18 +35,18 @@
#define PCIO_BASE PCI_IO_VADDR
#define PCIMEM_BASE PCI_MEMORY_VADDR
-#ifdef CONFIG_MMU
-/* macro to get at IO space when running virtually */
-#define IO_ADDRESS(x) (((x) >> 4) + IO_BASE)
-#else
-#define IO_ADDRESS(x) (x)
-#endif
-
#define pcibios_assign_all_busses() 1
#define PCIBIOS_MIN_IO 0x6000
#define PCIBIOS_MIN_MEM 0x00100000
+/* macro to get at IO space when running virtually */
+#ifdef CONFIG_MMU
+#define IO_ADDRESS(x) (((x) & 0x000fffff) | (((x) >> 4) & 0x0ff00000) | IO_BASE)
+#else
+#define IO_ADDRESS(x) (x)
+#endif
+
#define __io_address(n) ((void __iomem *)IO_ADDRESS(n))
#endif