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AE210P
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cache.h

cache.h 1.7 KB
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  1. #ifndef __CACHE_H__
    2. 

  2. #define __CACHE_H__
    3. 

  3. 

  4. #include "nds32_intrinsic.h"
    5. 

  5. #include "nds32.h"
    6. 

  6. 

  7. enum cache_t{ICACHE, DCACHE};
    8. 

  8. 

  9. static inline unsigned long CACHE_SET(enum cache_t cache){
    10. 

  10. 

  11. 	if(cache == ICACHE)
    12. 

  12. 		return 64 << ((__nds32__mfsr(NDS32_SR_ICM_CFG) & ICM_CFG_mskISET) >> ICM_CFG_offISET);
    13. 

  13. 	else
    14. 

  14. 		return 64 << ((__nds32__mfsr(NDS32_SR_DCM_CFG) & DCM_CFG_mskDSET) >> DCM_CFG_offDSET);
    15. 

  15. }
    16. 

  16. 

  17. static inline unsigned long CACHE_WAY(enum cache_t cache){
    18. 

  18. 

  19. 	if(cache == ICACHE)
    20. 

  20. 		return 1 + ((__nds32__mfsr(NDS32_SR_ICM_CFG) & ICM_CFG_mskIWAY) >> ICM_CFG_offIWAY);
    21. 

  21. 	else
    22. 

  22. 		return 1 + ((__nds32__mfsr(NDS32_SR_DCM_CFG) & DCM_CFG_mskDWAY) >> DCM_CFG_offDWAY);
    23. 

  23. }
    24. 

  24. 

  25. static inline unsigned long CACHE_LINE_SIZE(enum cache_t cache){
    26. 

  26. 

  27. 	if(cache == ICACHE)
    28. 

  28. 		return 8 << (((__nds32__mfsr(NDS32_SR_ICM_CFG) & ICM_CFG_mskISZ) >> ICM_CFG_offISZ) - 1);
    29. 

  29. 	else
    30. 

  30. 		return 8 << (((__nds32__mfsr(NDS32_SR_DCM_CFG) & DCM_CFG_mskDSZ) >> DCM_CFG_offDSZ) - 1);
    31. 

  31. }
    32. 

  32. 

  33. extern void nds32_dcache_invalidate(void);
    34. 

  34. extern void nds32_dcache_flush(void);
    35. 

  35. extern void nds32_icache_flush(void);
    36. 

  36. extern void nds32_dcache_clean_range(unsigned long start, unsigned long end);
    37. 

  37. extern void nds32_dma_clean_range(unsigned long start, unsigned long end);
    38. 

  38. extern void nds32_dcache_invalidate_range(unsigned long start, unsigned long end);
    39. 

  39. extern void nds32_dcache_flush_range(unsigned long start, unsigned long end);
    40. 

  40. extern void nds32_dcache_writeback_range(unsigned long start, unsigned long end);
    41. 

  41. extern void nds32_dma_inv_range(unsigned long start, unsigned long end);
    42. 

  42. extern void nds32_dma_flush_range(unsigned long start, unsigned long end);
    43. 

  43. extern void nds32_icache_invalidate_range(unsigned long start, unsigned long end);
    44. 

  44. 

  45. #endif /* __CACHE_H__ */
    46.