home *** CD-ROM | disk | FTP | other *** search
/ Mac Easy 2010 May / Mac Life Ubuntu.iso / casper / filesystem.squashfs / usr / src / linux-headers-2.6.28-15 / arch / sh / include / cpu-sh2 / cpu / cache.h next >
Encoding:
C/C++ Source or Header  |  2008-12-24  |  1.3 KB  |  44 lines

  1. /*
  2.  * include/asm-sh/cpu-sh2/cache.h
  3.  *
  4.  * Copyright (C) 2003 Paul Mundt
  5.  *
  6.  * This file is subject to the terms and conditions of the GNU General Public
  7.  * License.  See the file "COPYING" in the main directory of this archive
  8.  * for more details.
  9.  */
  10. #ifndef __ASM_CPU_SH2_CACHE_H
  11. #define __ASM_CPU_SH2_CACHE_H
  12.  
  13. #define L1_CACHE_SHIFT    4
  14.  
  15. #define SH_CACHE_VALID        1
  16. #define SH_CACHE_UPDATED    2
  17. #define SH_CACHE_COMBINED    4
  18. #define SH_CACHE_ASSOC        8
  19.  
  20. #if defined(CONFIG_CPU_SUBTYPE_SH7619)
  21. #define CCR        0xffffffec
  22.  
  23. #define CCR_CACHE_CE    0x01    /* Cache enable */
  24. #define CCR_CACHE_WT    0x02    /* CCR[bit1=1,bit2=1] */
  25.                 /* 0x00000000-0x7fffffff: Write-through  */
  26.                 /* 0x80000000-0x9fffffff: Write-back     */
  27.                                 /* 0xc0000000-0xdfffffff: Write-through  */
  28. #define CCR_CACHE_CB    0x04    /* CCR[bit1=0,bit2=0] */
  29.                 /* 0x00000000-0x7fffffff: Write-back     */
  30.                 /* 0x80000000-0x9fffffff: Write-through  */
  31.                                 /* 0xc0000000-0xdfffffff: Write-back     */
  32. #define CCR_CACHE_CF    0x08    /* Cache invalidate */
  33.  
  34. #define CACHE_OC_ADDRESS_ARRAY    0xf0000000
  35. #define CACHE_OC_DATA_ARRAY    0xf1000000
  36.  
  37. #define CCR_CACHE_ENABLE    CCR_CACHE_CE
  38. #define CCR_CACHE_INVALIDATE    CCR_CACHE_CF
  39. #define CACHE_PHYSADDR_MASK    0x1ffffc00
  40.  
  41. #endif
  42.  
  43. #endif /* __ASM_CPU_SH2_CACHE_H */
  44.