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) 1996, 99 Ralf Baechle
 7 * Copyright (C) 2000, 2002  Maciej W. Rozycki
 8 * Copyright (C) 1990, 1999 by Silicon Graphics, Inc.
 9 */
10#ifndef _ASM_MACH_IP27_SPACES_H
11#define _ASM_MACH_IP27_SPACES_H
12
13#include <linux/const.h>
14
15/*
16 * IP27 uses the R10000's uncached attribute feature.  Attribute 3 selects
17 * uncached memory addressing. Hide the definitions on 32-bit compilation
18 * of the compat-vdso code.
19 */
20#ifdef CONFIG_64BIT
21#define HSPEC_BASE		_AC(0x9000000000000000, UL)
22#define IO_BASE			_AC(0x9200000000000000, UL)
23#define MSPEC_BASE		_AC(0x9400000000000000, UL)
24#define UNCAC_BASE		_AC(0x9600000000000000, UL)
25#define CAC_BASE		_AC(0xa800000000000000, UL)
26#endif
27
28#define TO_MSPEC(x)		(MSPEC_BASE | ((x) & TO_PHYS_MASK))
29#define TO_HSPEC(x)		(HSPEC_BASE | ((x) & TO_PHYS_MASK))
30
31#define HIGHMEM_START		(~0UL)
32
33#include <asm/mach-generic/spaces.h>
34
35#endif /* _ASM_MACH_IP27_SPACES_H */

 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) 1996, 99 Ralf Baechle
 7 * Copyright (C) 2000, 2002  Maciej W. Rozycki
 8 * Copyright (C) 1990, 1999 by Silicon Graphics, Inc.
 9 */
10#ifndef _ASM_MACH_IP27_SPACES_H
11#define _ASM_MACH_IP27_SPACES_H
12
 
 
13/*
14 * IP27 uses the R10000's uncached attribute feature.  Attribute 3 selects
15 * uncached memory addressing.
 
16 */
17
18#define HSPEC_BASE		0x9000000000000000
19#define IO_BASE			0x9200000000000000
20#define MSPEC_BASE		0x9400000000000000
21#define UNCAC_BASE		0x9600000000000000
 
 
22
23#define TO_MSPEC(x)		(MSPEC_BASE | ((x) & TO_PHYS_MASK))
24#define TO_HSPEC(x)		(HSPEC_BASE | ((x) & TO_PHYS_MASK))
25
26#define HIGHMEM_START		(~0UL)
27
28#include <asm/mach-generic/spaces.h>
29
30#endif /* _ASM_MACH_IP27_SPACES_H */