linux/arch/mips/include/asm/mach-generic/spaces.h
Steven J. Hill 7ad18dd03c MIPS: Fix multiple definitions of UNCAC_BASE.
Fix build error below:

arch/mips/include/asm/mach-generic/spaces.h:29:0: warning:
"UNCAC_BASE" redefined [enabled by default]
In file included from arch/mips/include/asm/addrspace.h:13:0,
                 from arch/mips/include/asm/barrier.h:11,
                 from arch/mips/include/asm/bitops.h:18,
                 from include/linux/bitops.h:22,
                 from include/linux/kernel.h:10,
                 from include/asm-generic/bug.h:13,
                 from arch/mips/include/asm/bug.h:41,
                 from include/linux/bug.h:4,
                 from include/linux/page-flags.h:9,
                 from kernel/bounds.c:9:
arch/mips/include/asm/mach-ar7/spaces.h:20:0: note: this is the
location of the previous definition

Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5583/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-07-30 18:40:40 +02:00

101 lines
2.2 KiB
C

/*
* 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
#ifdef CONFIG_KVM_GUEST
#define CAC_BASE _AC(0x40000000, UL)
#else
#define CAC_BASE _AC(0x80000000, UL)
#endif
#ifndef IO_BASE
#define IO_BASE _AC(0xa0000000, UL)
#endif
#ifndef UNCAC_BASE
#define UNCAC_BASE _AC(0xa0000000, UL)
#endif
#ifndef MAP_BASE
#ifdef CONFIG_KVM_GUEST
#define MAP_BASE _AC(0x60000000, UL)
#else
#define MAP_BASE _AC(0xc0000000, UL)
#endif
#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
#ifndef FIXADDR_TOP
#define FIXADDR_TOP ((unsigned long)(long)(int)0xfffe0000)
#endif
#endif /* __ASM_MACH_GENERIC_SPACES_H */