2 * arch/arm/mach-footbridge/include/mach/io.h
4 * Copyright (C) 1997-1999 Russell King
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
11 * 06-12-1997 RMK Created.
12 * 07-04-1999 RMK Major cleanup
14 #ifndef __ASM_ARM_ARCH_IO_H
15 #define __ASM_ARM_ARCH_IO_H
17 #include <mach/hardware.h>
19 #define IO_SPACE_LIMIT 0xffff
22 * Translation of various region addresses to virtual addresses
24 #define __io(a) ((void __iomem *)(PCIO_BASE + (a)))
26 #define __mem_pci(a) (a)
29 static inline void __iomem *___mem_pci(void __iomem *p)
31 unsigned long a = (unsigned long)p;
32 BUG_ON(a <= 0xc0000000 || a >= 0xe0000000);
36 #define __mem_pci(a) ___mem_pci(a)