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35 lines
1.1 KiB
35 lines
1.1 KiB
20 years ago
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/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1996, 99 Ralf Baechle
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* Copyright (C) 2000, 2002 Maciej W. Rozycki
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* Copyright (C) 1990, 1999 by Silicon Graphics, Inc.
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*/
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#ifndef _ASM_MACH_IP27_SPACES_H
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#define _ASM_MACH_IP27_SPACES_H
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/*
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* IP27 uses the R10000's uncached attribute feature. Attribute 3 selects
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* uncached memory addressing.
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*/
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#define CAC_BASE 0xa800000000000000
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#define HSPEC_BASE 0x9000000000000000
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#define IO_BASE 0x9200000000000000
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#define MSPEC_BASE 0x9400000000000000
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#define UNCAC_BASE 0x9600000000000000
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#define TO_PHYS(x) ( ((x) & TO_PHYS_MASK))
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#define TO_CAC(x) (CAC_BASE | ((x) & TO_PHYS_MASK))
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#define TO_UNCAC(x) (UNCAC_BASE | ((x) & TO_PHYS_MASK))
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#define TO_MSPEC(x) (MSPEC_BASE | ((x) & TO_PHYS_MASK))
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#define TO_HSPEC(x) (HSPEC_BASE | ((x) & TO_PHYS_MASK))
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#define PAGE_OFFSET CAC_BASE
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#define HIGHMEM_START (~0UL)
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#endif /* _ASM_MACH_IP27_SPACES_H */
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