| 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) 1994 - 1999, 2000, 03, 04, 05 Ralf Baechle (ralf@linux-mips.org) |
| 7 | * Copyright (C) 2000, 2002 Maciej W. Rozycki |
| 8 | * Copyright (C) 1990, 1999, 2000 Silicon Graphics, Inc. |
| 9 | */ |
| 10 | #ifndef _ASM_MACH_IP32_SPACES_H |
| 11 | #define _ASM_MACH_IP32_SPACES_H |
| 12 | |
| 13 | /* |
| 14 | * Memory above this physical address will be considered highmem. |
| 15 | * Fixme: 59 bits is a fictive number and makes assumptions about processors |
| 16 | * in the distant future. Nobody will care for a few years :-) |
| 17 | */ |
| 18 | #ifndef HIGHMEM_START |
| 19 | #define HIGHMEM_START (1UL << 59UL) |
| 20 | #endif |
| 21 | |
| Ralf Baechle | 485a4a9 | 2005-10-19 14:45:09 +0100 | [diff] [blame] | 22 | #define CAC_BASE 0x9800000000000000UL |
| 23 | #define IO_BASE 0x9000000000000000UL |
| 24 | #define UNCAC_BASE 0x9000000000000000UL |
| 25 | #define MAP_BASE 0xc000000000000000UL |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | |
| 27 | #define TO_PHYS(x) ( ((x) & TO_PHYS_MASK)) |
| 28 | #define TO_CAC(x) (CAC_BASE | ((x) & TO_PHYS_MASK)) |
| 29 | #define TO_UNCAC(x) (UNCAC_BASE | ((x) & TO_PHYS_MASK)) |
| 30 | |
| 31 | /* |
| 32 | * This handles the memory map. |
| 33 | */ |
| 34 | #define PAGE_OFFSET CAC_BASE |
| 35 | |
| 36 | #endif /* __ASM_MACH_IP32_SPACES_H */ |