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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/*
2 * linux/include/asm-arm/arch-ebsa285/io.h
3 *
4 * Copyright (C) 1997-1999 Russell King
5 *
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.
9 *
10 * Modifications:
11 * 06-12-1997 RMK Created.
12 * 07-04-1999 RMK Major cleanup
13 */
14#ifndef __ASM_ARM_ARCH_IO_H
15#define __ASM_ARM_ARCH_IO_H
16
17#include <asm/hardware.h>
18
19#define IO_SPACE_LIMIT 0xffff
20
21/*
22 * Translation of various region addresses to virtual addresses
23 */
24#define __io(a) ((void __iomem *)(PCIO_BASE + (a)))
25#if 1
26#define __mem_pci(a) (a)
27#else
28
29static inline void __iomem *___mem_pci(void __iomem *p)
30{
31 unsigned long a = (unsigned long)p;
32 BUG_ON(a <= 0xc0000000 || a >= 0xe0000000);
33 return p;
34}
35
36#define __mem_pci(a) ___mem_pci(a)
37#endif
38
39#endif