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-rw-r--r--include/asm-arm/arch-ebsa285/io.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ebsa285/io.h b/include/asm-arm/arch-ebsa285/io.h
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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#define IO_SPACE_LIMIT 0xffff
18
19/*
20 * Translation of various region addresses to virtual addresses
21 */
22#define __io(a) ((void __iomem *)(PCIO_BASE + (a)))
23#if 1
24#define __mem_pci(a) (a)
25#define __mem_isa(a) ((a) + PCIMEM_BASE)
26#else
27
28static inline void __iomem *___mem_pci(void __iomem *p)
29{
30 unsigned long a = (unsigned long)p;
31 BUG_ON(a <= 0xc0000000 || a >= 0xe0000000);
32 return p;
33}
34
35static inline void __iomem *___mem_isa(void __iomem *p)
36{
37 unsigned long a = (unsigned long)p;
38 BUG_ON(a >= 16*1048576);
39 return p + PCIMEM_BASE;
40}
41#define __mem_pci(a) ___mem_pci(a)
42#define __mem_isa(a) ___mem_isa(a)
43#endif
44
45#endif