cache.h 1.3 KB

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  1. /*
  2. * Copyright (c) 2011 The Chromium OS Authors.
  3. * See file CREDITS for list of people who contributed to this
  4. * project.
  5. *
  6. * This program is free software; you can redistribute it and/or
  7. * modify it under the terms of the GNU General Public License as
  8. * published by the Free Software Foundation; either version 2 of
  9. * the License, or (at your option) any later version.
  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,
  19. * MA 02111-1307 USA
  20. */
  21. #ifndef __MICROBLAZE_CACHE_H__
  22. #define __MICROBLAZE_CACHE_H__
  23. /*
  24. * The microblaze can have either a 4 or 16 byte cacheline depending on whether
  25. * you are using OPB(4) or CacheLink(16). If the board config has not specified
  26. * a cacheline size we assume the larger value of 16 bytes for DMA buffer
  27. * alignment.
  28. */
  29. #ifdef CONFIG_SYS_CACHELINE_SIZE
  30. #define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
  31. #else
  32. #define ARCH_DMA_MINALIGN 16
  33. #endif
  34. #endif /* __MICROBLAZE_CACHE_H__ */