1. 根目录:
2. arch
3. arm
4. mach-shmobile
5. include
6. mach
7. io.h

#ifndef __ASM_MACH_IO_H
#define __ASM_MACH_IO_H

#define IO_SPACE_LIMIT		0xffffffff

#define __io(a)			((void __iomem *)(a))
#define __mem_pci(a)		(a)

#endif /* __ASM_MACH_IO_H */