diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-10-12 12:49:27 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-10-12 12:49:27 +0200 |
commit | 1389ac4b976abdc0555280dfc1aa2c3abcc19641 (patch) | |
tree | 1ec51aa0b1e33201f6f4f3bebc657f9ec65f8539 /arch/mips/include/asm/mach-generic/spaces.h | |
parent | 69e13ad56f9e2cd81c4f8bfd6267211c10c14c08 (diff) | |
parent | fd048088306656824958e7783ffcee27e241b361 (diff) |
Merge branch 'linus' into x86/signal
Conflicts:
arch/x86/kernel/signal_64.c
Diffstat (limited to 'arch/mips/include/asm/mach-generic/spaces.h')
-rw-r--r-- | arch/mips/include/asm/mach-generic/spaces.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-generic/spaces.h b/arch/mips/include/asm/mach-generic/spaces.h new file mode 100644 index 00000000000..c9fa4b14968 --- /dev/null +++ b/arch/mips/include/asm/mach-generic/spaces.h @@ -0,0 +1,85 @@ +/* + * 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 Ralf Baechle + * Copyright (C) 2000, 2002 Maciej W. Rozycki + * Copyright (C) 1990, 1999, 2000 Silicon Graphics, Inc. + */ +#ifndef _ASM_MACH_GENERIC_SPACES_H +#define _ASM_MACH_GENERIC_SPACES_H + +#include <linux/const.h> + +/* + * This gives the physical RAM offset. + */ +#ifndef PHYS_OFFSET +#define PHYS_OFFSET _AC(0, UL) +#endif + +#ifdef CONFIG_32BIT + +#define CAC_BASE _AC(0x80000000, UL) +#define IO_BASE _AC(0xa0000000, UL) +#define UNCAC_BASE _AC(0xa0000000, UL) + +#ifndef MAP_BASE +#define MAP_BASE _AC(0xc0000000, UL) +#endif + +/* + * Memory above this physical address will be considered highmem. + */ +#ifndef HIGHMEM_START +#define HIGHMEM_START _AC(0x20000000, UL) +#endif + +#endif /* CONFIG_32BIT */ + +#ifdef CONFIG_64BIT + +#ifndef CAC_BASE +#ifdef CONFIG_DMA_NONCOHERENT +#define CAC_BASE _AC(0x9800000000000000, UL) +#else +#define CAC_BASE _AC(0xa800000000000000, UL) +#endif +#endif + +#ifndef IO_BASE +#define IO_BASE _AC(0x9000000000000000, UL) +#endif + +#ifndef UNCAC_BASE +#define UNCAC_BASE _AC(0x9000000000000000, UL) +#endif + +#ifndef MAP_BASE +#define MAP_BASE _AC(0xc000000000000000, UL) +#endif + +/* + * 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 (_AC(1, UL) << _AC(59, UL)) +#endif + +#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)) + +#endif /* CONFIG_64BIT */ + +/* + * This handles the memory map. + */ +#ifndef PAGE_OFFSET +#define PAGE_OFFSET (CAC_BASE + PHYS_OFFSET) +#endif + +#endif /* __ASM_MACH_GENERIC_SPACES_H */ |