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Diffstat (limited to 'arch/arm/mach-realview/include/mach/hardware.h')
-rw-r--r--arch/arm/mach-realview/include/mach/hardware.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/mach-realview/include/mach/hardware.h b/arch/arm/mach-realview/include/mach/hardware.h
index 79a93b3dfca9..b42c14f89acb 100644
--- a/arch/arm/mach-realview/include/mach/hardware.h
+++ b/arch/arm/mach-realview/include/mach/hardware.h
@@ -25,7 +25,14 @@
#include <asm/sizes.h>
/* macro to get at IO space when running virtually */
-#define IO_ADDRESS(x) (((x) & 0x0fffffff) + 0xf0000000)
+/*
+ * Statically mapped addresses:
+ *
+ * 10xx xxxx -> fbxx xxxx
+ * 1exx xxxx -> fdxx xxxx
+ * 1fxx xxxx -> fexx xxxx
+ */
+#define IO_ADDRESS(x) (((x) & 0x03ffffff) + 0xfb000000)
#define __io_address(n) __io(IO_ADDRESS(n))
#endif