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