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46 lines
1.0 KiB
46 lines
1.0 KiB
20 years ago
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/*
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* linux/include/asm-arm/arch-ebsa285/io.h
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*
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* Copyright (C) 1997-1999 Russell King
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Modifications:
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* 06-12-1997 RMK Created.
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* 07-04-1999 RMK Major cleanup
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*/
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#ifndef __ASM_ARM_ARCH_IO_H
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#define __ASM_ARM_ARCH_IO_H
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#define IO_SPACE_LIMIT 0xffff
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/*
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* Translation of various region addresses to virtual addresses
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*/
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#define __io(a) ((void __iomem *)(PCIO_BASE + (a)))
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#if 1
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#define __mem_pci(a) (a)
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#define __mem_isa(a) ((a) + PCIMEM_BASE)
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#else
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static inline void __iomem *___mem_pci(void __iomem *p)
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{
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unsigned long a = (unsigned long)p;
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BUG_ON(a <= 0xc0000000 || a >= 0xe0000000);
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return p;
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}
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static inline void __iomem *___mem_isa(void __iomem *p)
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{
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unsigned long a = (unsigned long)p;
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BUG_ON(a >= 16*1048576);
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return p + PCIMEM_BASE;
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}
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#define __mem_pci(a) ___mem_pci(a)
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#define __mem_isa(a) ___mem_isa(a)
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#endif
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#endif
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