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#define MAP_BASE 0xc000000000000000 24 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)) 30 31#define PAGE_OFFSET CAC_BASE 32 33#define HIGHMEM_START (~0UL) 34 35#endif /* _ASM_MACH_IP27_SPACES_H */ 36