outercache.h 1.8 KB

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  1. /*
  2. * arch/arm/include/asm/outercache.h
  3. *
  4. * Copyright (C) 2010 ARM Ltd.
  5. * Written by Catalin Marinas <catalin.marinas@arm.com>
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License version 2 as
  9. * published by the Free Software Foundation.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19. */
  20. #ifndef __ASM_OUTERCACHE_H
  21. #define __ASM_OUTERCACHE_H
  22. struct outer_cache_fns {
  23. void (*inv_range)(unsigned long, unsigned long);
  24. void (*clean_range)(unsigned long, unsigned long);
  25. void (*flush_range)(unsigned long, unsigned long);
  26. };
  27. #ifdef CONFIG_OUTER_CACHE
  28. extern struct outer_cache_fns outer_cache;
  29. static inline void outer_inv_range(unsigned long start, unsigned long end)
  30. {
  31. if (outer_cache.inv_range)
  32. outer_cache.inv_range(start, end);
  33. }
  34. static inline void outer_clean_range(unsigned long start, unsigned long end)
  35. {
  36. if (outer_cache.clean_range)
  37. outer_cache.clean_range(start, end);
  38. }
  39. static inline void outer_flush_range(unsigned long start, unsigned long end)
  40. {
  41. if (outer_cache.flush_range)
  42. outer_cache.flush_range(start, end);
  43. }
  44. #else
  45. static inline void outer_inv_range(unsigned long start, unsigned long end)
  46. { }
  47. static inline void outer_clean_range(unsigned long start, unsigned long end)
  48. { }
  49. static inline void outer_flush_range(unsigned long start, unsigned long end)
  50. { }
  51. #endif
  52. #endif /* __ASM_OUTERCACHE_H */