1 files changed, 17 insertions, 0 deletions

diff --git a/arch/arm/mach-davinci/include/mach/hardware.h b/arch/arm/mach-davinci/include/mach/hardware.h
index 48c77934d519..41c89386e39b 100644
--- a/arch/arm/mach-davinci/include/mach/hardware.h
+++ b/arch/arm/mach-davinci/include/mach/hardware.h
@@ -24,4 +24,21 @@
 /* System control register offsets */
 #define DM64XX_VDD3P3V_PWDN     0x48
 
+/*
+ * I/O mapping
+ */
+#define IO_PHYS                         0x01c00000
+#define IO_OFFSET                       0xfd000000 /* Virtual IO = 0xfec00000 */
+#define IO_SIZE                         0x00400000
+#define IO_VIRT                         (IO_PHYS + IO_OFFSET)
+#define io_v2p(va)                      ((va) - IO_OFFSET)
+#define __IO_ADDRESS(x)                 ((x) + IO_OFFSET)
+#define IO_ADDRESS(pa)                  IOMEM(__IO_ADDRESS(pa))
+
+#ifdef __ASSEMBLER__
+#define IOMEM(x)                        x
+#else
+#define IOMEM(x)                        ((void __force __iomem *)(x))
+#endif
+
 #endif /* __ASM_ARCH_HARDWARE_H */