|  | /* | 
|  | * 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		0x9800000000000000UL | 
|  | #define IO_BASE			0x9000000000000000UL | 
|  | #define UNCAC_BASE		0x9000000000000000UL | 
|  | #define MAP_BASE		0xc000000000000000UL | 
|  |  | 
|  | #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 */ |