| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
| Ralf Baechle | 1f82bdb | 2005-02-21 19:50:31 +0000 | [diff] [blame] | 23 | #define MAP_BASE 0xc000000000000000 |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |