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diff --git a/include/asm-mips/mach-ip27/spaces.h b/include/asm-mips/mach-ip27/spaces.h
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1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1996, 99 Ralf Baechle
7 * Copyright (C) 2000, 2002 Maciej W. Rozycki
8 * Copyright (C) 1990, 1999 by Silicon Graphics, Inc.
9 */
10#ifndef _ASM_MACH_IP27_SPACES_H
11#define _ASM_MACH_IP27_SPACES_H
12
13/*
14 * IP27 uses the R10000's uncached attribute feature. Attribute 3 selects
15 * uncached memory addressing.
16 */
17#define CAC_BASE 0xa800000000000000
18
19#define HSPEC_BASE 0x9000000000000000
20#define IO_BASE 0x9200000000000000
21#define MSPEC_BASE 0x9400000000000000
22#define UNCAC_BASE 0x9600000000000000
23
24#define TO_PHYS(x) ( ((x) & TO_PHYS_MASK))
25#define TO_CAC(x) (CAC_BASE | ((x) & TO_PHYS_MASK))
26#define TO_UNCAC(x) (UNCAC_BASE | ((x) & TO_PHYS_MASK))
27#define TO_MSPEC(x) (MSPEC_BASE | ((x) & TO_PHYS_MASK))
28#define TO_HSPEC(x) (HSPEC_BASE | ((x) & TO_PHYS_MASK))
29
30#define PAGE_OFFSET CAC_BASE
31
32#define HIGHMEM_START (~0UL)
33
34#endif /* _ASM_MACH_IP27_SPACES_H */