projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 Ralf Baechle | |
| 7 | * Copyright (C) 2000, 2002 Maciej W. Rozycki | |
| 8 | * Copyright (C) 1990, 1999, 2000 Silicon Graphics, Inc. | |
| 9 | */ | |
| 10 | #ifndef _ASM_MACH_GENERIC_SPACES_H | |
| 11 | #define _ASM_MACH_GENERIC_SPACES_H | |
| 12 | ||
| 1da177e4 | 13 | |
| 875d43e7 | 14 | #ifdef CONFIG_32BIT |
| 1da177e4 LT |
15 | |
| 16 | #define CAC_BASE 0x80000000 | |
| 17 | #define IO_BASE 0xa0000000 | |
| 18 | #define UNCAC_BASE 0xa0000000 | |
| 09bb9ce1 FBH |
19 | |
| 20 | #ifndef MAP_BASE | |
| 1da177e4 | 21 | #define MAP_BASE 0xc0000000 |
| 09bb9ce1 | 22 | #endif |
| 1da177e4 LT |
23 | |
| 24 | /* | |
| 25 | * This handles the memory map. | |
| 26 | * We handle pages at KSEG0 for kernels with 32 bit address space. | |
| 27 | */ | |
| 09bb9ce1 | 28 | #ifndef PAGE_OFFSET |
| 1da177e4 | 29 | #define PAGE_OFFSET 0x80000000UL |
| 09bb9ce1 | 30 | #endif |
| 1da177e4 LT |
31 | |
| 32 | /* | |
| 33 | * Memory above this physical address will be considered highmem. | |
| 34 | */ | |
| 35 | #ifndef HIGHMEM_START | |
| 36 | #define HIGHMEM_START 0x20000000UL | |
| 37 | #endif | |
| 38 | ||
| 875d43e7 | 39 | #endif /* CONFIG_32BIT */ |
| 1da177e4 | 40 | |
| 875d43e7 | 41 | #ifdef CONFIG_64BIT |
| 1da177e4 LT |
42 | |
| 43 | /* | |
| 44 | * This handles the memory map. | |
| 45 | */ | |
| 09bb9ce1 | 46 | #ifndef PAGE_OFFSET |
| 1da177e4 LT |
47 | #ifdef CONFIG_DMA_NONCOHERENT |
| 48 | #define PAGE_OFFSET 0x9800000000000000UL | |
| 49 | #else | |
| 50 | #define PAGE_OFFSET 0xa800000000000000UL | |
| 51 | #endif | |
| 09bb9ce1 | 52 | #endif |
| 1da177e4 LT |
53 | |
| 54 | /* | |
| 55 | * Memory above this physical address will be considered highmem. | |
| 56 | * Fixme: 59 bits is a fictive number and makes assumptions about processors | |
| 57 | * in the distant future. Nobody will care for a few years :-) | |
| 58 | */ | |
| 59 | #ifndef HIGHMEM_START | |
| 60 | #define HIGHMEM_START (1UL << 59UL) | |
| 61 | #endif | |
| 62 | ||
| 09bb9ce1 | 63 | #ifndef CAC_BASE |
| 1da177e4 | 64 | #ifdef CONFIG_DMA_NONCOHERENT |
| 485a4a92 | 65 | #define CAC_BASE 0x9800000000000000UL |
| 1da177e4 | 66 | #else |
| 485a4a92 | 67 | #define CAC_BASE 0xa800000000000000UL |
| 1da177e4 | 68 | #endif |
| 09bb9ce1 FBH |
69 | #endif |
| 70 | ||
| 71 | #ifndef IO_BASE | |
| 485a4a92 | 72 | #define IO_BASE 0x9000000000000000UL |
| 09bb9ce1 FBH |
73 | #endif |
| 74 | ||
| 75 | #ifndef UNCAC_BASE | |
| 485a4a92 | 76 | #define UNCAC_BASE 0x9000000000000000UL |
| 09bb9ce1 FBH |
77 | #endif |
| 78 | ||
| 79 | #ifndef MAP_BASE | |
| 485a4a92 | 80 | #define MAP_BASE 0xc000000000000000UL |
| 09bb9ce1 | 81 | #endif |
| 1da177e4 LT |
82 | |
| 83 | #define TO_PHYS(x) ( ((x) & TO_PHYS_MASK)) | |
| 84 | #define TO_CAC(x) (CAC_BASE | ((x) & TO_PHYS_MASK)) | |
| 85 | #define TO_UNCAC(x) (UNCAC_BASE | ((x) & TO_PHYS_MASK)) | |
| 86 | ||
| 875d43e7 | 87 | #endif /* CONFIG_64BIT */ |
| 1da177e4 LT |
88 | |
| 89 | #endif /* __ASM_MACH_GENERIC_SPACES_H */ |