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-rw-r--r--include/asm-arm/arch-mxc/io.h33
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diff --git a/include/asm-arm/arch-mxc/io.h b/include/asm-arm/arch-mxc/io.h
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+++ b/include/asm-arm/arch-mxc/io.h
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+/*
+ * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*!
+ * @file io.h
+ * @brief This file contains some memory mapping macros.
+ * @note There is no real ISA or PCI buses. But have to define these macros
+ * for some drivers to compile.
+ *
+ * @ingroup System
+ */
+
+#ifndef __ASM_ARCH_MXC_IO_H__
+#define __ASM_ARCH_MXC_IO_H__
+
+/*! Allow IO space to be anywhere in the memory */
+#define IO_SPACE_LIMIT 0xffffffff
+
+/*!
+ * io address mapping macro
+ */
+#define __io(a) ((void __iomem *)(a))
+
+#define __mem_pci(a) (a)
+
+#endif