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/*
* arch/arm/mach-footbridge/include/mach/io.h
*
* Copyright (C) 1997-1999 Russell King
*
* 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.
*
* Modifications:
* 06-12-1997 RMK Created.
* 07-04-1999 RMK Major cleanup
*/
#ifndef __ASM_ARM_ARCH_IO_H
#define __ASM_ARM_ARCH_IO_H
#ifdef CONFIG_MMU
#define MMU_IO(a, b) (a)
#else
#define MMU_IO(a, b) (b)
#endif
#define PCIO_SIZE 0x00100000
#define PCIO_BASE MMU_IO(0xff000000, 0x7c000000)
/*
* Translation of various region addresses to virtual addresses
*/
#define __io(a) ((void __iomem *)(PCIO_BASE + (a)))
#if 1
#define __mem_pci(a) (a)
#else
static inline void __iomem *___mem_pci(void __iomem *p)
{
unsigned long a = (unsigned long)p;
BUG_ON(a <= 0xc0000000 || a >= 0xe0000000);
return p;
}
#define __mem_pci(a) ___mem_pci(a)
#endif
#endif
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