target/linux/ar7-2.6/files/include/asm-mips/ar7/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) 1994 - 1999, 2000, 03, 04 Ralf Baechle
   7  * Copyright (C) 2000, 2002  Maciej W. Rozycki
   8  * Copyright (C) 1990, 1999, 2000 Silicon Graphics, Inc.
   9  */
  10 #ifndef _ASM_AR7_SPACES_H
  11 #define _ASM_AR7_SPACES_H
  12
  13
  14 #define CAC_BASE                0x80000000
  15 #define IO_BASE                 0xa0000000
  16 #define UNCAC_BASE              0xa0000000
  17 #define MAP_BASE                0xc0000000
  18
  19 /*
  20  * This handles the memory map.
  21  * We handle pages at KSEG0 for kernels with 32 bit address space.
  22  */
  23 #define PAGE_OFFSET             0x80000000UL
  24 #define ARCH_PFN_OFFSET (0x14000000 >> PAGE_SHIFT)
  25
  26 /*
  27  * Memory above this physical address will be considered highmem.
  28  */
  29 #ifndef HIGHMEM_START
  30 #define HIGHMEM_START           0x40000000UL
  31 #endif
  32
  33 #endif /* __ASM_AR7_SPACES_H */