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 #include <linux/const.h> 14 15 /* 16 * IP27 uses the R10000's uncached attribute feature. Attribute 3 selects 17 * uncached memory addressing. Hide the definitions on 32-bit compilation 18 * of the compat-vdso code. 19 */ 20 #ifdef CONFIG_64BIT 21 #define HSPEC_BASE _AC(0x9000000000000000, UL) 22 #define IO_BASE _AC(0x9200000000000000, UL) 23 #define MSPEC_BASE _AC(0x9400000000000000, UL) 24 #define UNCAC_BASE _AC(0x9600000000000000, UL) 25 #define CAC_BASE _AC(0xa800000000000000, UL) 26 #endif 27 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 HIGHMEM_START (~0UL) 32 33 #include <asm/mach-generic/spaces.h> 34 35 #endif /* _ASM_MACH_IP27_SPACES_H */ 36