mmu.h 2.4 KB

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  1. /* ----------------------------------------------------------------------------
  2. * SAM Software Package License
  3. * ----------------------------------------------------------------------------
  4. * Copyright (c) 2012, Atmel Corporation
  5. *
  6. * All rights reserved.
  7. *
  8. * Redistribution and use in source and binary forms, with or without
  9. * modification, are permitted provided that the following conditions are met:
  10. *
  11. * - Redistributions of source code must retain the above copyright notice,
  12. * this list of conditions and the disclaimer below.
  13. *
  14. * Atmel's name may not be used to endorse or promote products derived from
  15. * this software without specific prior written permission.
  16. *
  17. * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
  18. * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  19. * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
  20. * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
  21. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
  23. * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  24. * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  25. * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  26. * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27. * ----------------------------------------------------------------------------
  28. */
  29. #ifndef _MMU_
  30. #define _MMU_
  31. /*----------------------------------------------------------------------------
  32. * Headers
  33. *----------------------------------------------------------------------------*/
  34. #include "../cp15/cp15.h"
  35. /*----------------------------------------------------------------------------
  36. * Exported functions
  37. *----------------------------------------------------------------------------*/
  38. extern void MMU_Initialize(unsigned int *pTB);
  39. extern void dma_flush_range(unsigned int ulStart, unsigned int ulEnd);
  40. extern void dma_inv_range (unsigned int ulStart, unsigned int ulEnd);
  41. extern void dma_clean_range(unsigned int ulStart, unsigned int ulEnd);
  42. #define PHY_TO_VIRT(x) ((x))
  43. #define VIRT_TO_PHY(x) ((x))
  44. #define PHY_TO_UNCACHED_VIRT(x) ((unsigned int)(x) + 0x10000000UL)
  45. #define UNCACHED_VIRT_TO_PHT(x) ((unsigned int)(x) - 0x10000000UL)
  46. #endif /* #ifndef _MMU_ */