diff options
Diffstat (limited to 'include/asm-mips/mach-ip32/spaces.h')
| -rw-r--r-- | include/asm-mips/mach-ip32/spaces.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/asm-mips/mach-ip32/spaces.h b/include/asm-mips/mach-ip32/spaces.h new file mode 100644 index 00000000000..c7839f85c68 --- /dev/null +++ b/include/asm-mips/mach-ip32/spaces.h @@ -0,0 +1,36 @@ +/* + * 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) 1994 - 1999, 2000, 03, 04, 05 Ralf Baechle (ralf@linux-mips.org) + * Copyright (C) 2000, 2002 Maciej W. Rozycki + * Copyright (C) 1990, 1999, 2000 Silicon Graphics, Inc. + */ +#ifndef _ASM_MACH_IP32_SPACES_H +#define _ASM_MACH_IP32_SPACES_H + +/* + * Memory above this physical address will be considered highmem. + * Fixme: 59 bits is a fictive number and makes assumptions about processors + * in the distant future. Nobody will care for a few years :-) + */ +#ifndef HIGHMEM_START +#define HIGHMEM_START (1UL << 59UL) +#endif + +#define CAC_BASE 0x9800000000000000 +#define IO_BASE 0x9000000000000000 +#define UNCAC_BASE 0x9000000000000000 +#define MAP_BASE 0xc000000000000000 + +#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)) + +/* + * This handles the memory map. + */ +#define PAGE_OFFSET CAC_BASE + +#endif /* __ASM_MACH_IP32_SPACES_H */ |