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[pohmelfs.git] / 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.
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
14 * IP27 uses the R10000's uncached attribute feature. Attribute 3 selects
15 * uncached memory addressing.
17 #define CAC_BASE 0xa800000000000000
19 #define HSPEC_BASE 0x9000000000000000
20 #define IO_BASE 0x9200000000000000
21 #define MSPEC_BASE 0x9400000000000000
22 #define UNCAC_BASE 0x9600000000000000
23 #define MAP_BASE 0xc000000000000000
25 #define TO_PHYS(x) ( ((x) & TO_PHYS_MASK))
26 #define TO_CAC(x) (CAC_BASE | ((x) & TO_PHYS_MASK))
27 #define TO_UNCAC(x) (UNCAC_BASE | ((x) & TO_PHYS_MASK))
28 #define TO_MSPEC(x) (MSPEC_BASE | ((x) & TO_PHYS_MASK))
29 #define TO_HSPEC(x) (HSPEC_BASE | ((x) & TO_PHYS_MASK))
31 #define PAGE_OFFSET CAC_BASE
33 #define HIGHMEM_START (~0UL)
35 #endif /* _ASM_MACH_IP27_SPACES_H */