arch/mips/include/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 #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 */