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m68k
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include
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asm
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cacheflush_no.h

cacheflush_no.h 2.2 KB
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  1. #ifndef _M68KNOMMU_CACHEFLUSH_H
    2. 

  2. #define _M68KNOMMU_CACHEFLUSH_H
    3. 

  3. 

  4. /*
    5. 

  5.  * (C) Copyright 2000-2004, Greg Ungerer <gerg@snapgear.com>
    6. 

  6.  */
    7. 

  7. #include <linux/mm.h>
    8. 

  8. #include <asm/mcfsim.h>
    9. 

  9. 

  10. #define flush_cache_all()			__flush_cache_all()
    11. 

  11. #define flush_cache_mm(mm)			do { } while (0)
    12. 

  12. #define flush_cache_dup_mm(mm)			do { } while (0)
    13. 

  13. #define flush_cache_range(vma, start, end)	__flush_cache_all()
    14. 

  14. #define flush_cache_page(vma, vmaddr)		do { } while (0)
    15. 

  15. #ifndef flush_dcache_range
    16. 

  16. #define flush_dcache_range(start,len)		__flush_cache_all()
    17. 

  17. #endif
    18. 

  18. #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
    19. 

  19. #define flush_dcache_page(page)			do { } while (0)
    20. 

  20. #define flush_dcache_mmap_lock(mapping)		do { } while (0)
    21. 

  21. #define flush_dcache_mmap_unlock(mapping)	do { } while (0)
    22. 

  22. #define flush_icache_range(start,len)		__flush_cache_all()
    23. 

  23. #define flush_icache_page(vma,pg)		do { } while (0)
    24. 

  24. #define flush_icache_user_range(vma,pg,adr,len)	do { } while (0)
    25. 

  25. #define flush_cache_vmap(start, end)		do { } while (0)
    26. 

  26. #define flush_cache_vunmap(start, end)		do { } while (0)
    27. 

  27. 

  28. #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
    29. 

  29. 	memcpy(dst, src, len)
    30. 

  30. #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
    31. 

  31. 	memcpy(dst, src, len)
    32. 

  32. 

  33. #ifndef __flush_cache_all
    34. 

  34. static inline void __flush_cache_all(void)
    35. 

  35. {
    36. 

  36. #if defined(CONFIG_M523x) || defined(CONFIG_M527x)
    37. 

  37. 	__asm__ __volatile__ (
    38. 

  38. 		"movel	#0x81400110, %%d0\n\t"
    39. 

  39. 		"movec	%%d0, %%CACR\n\t"
    40. 

  40. 		"nop\n\t"
    41. 

  41. 		: : : "d0" );
    42. 

  42. #endif /* CONFIG_M523x || CONFIG_M527x */
    43. 

  43. #if defined(CONFIG_M528x)
    44. 

  44. 	__asm__ __volatile__ (
    45. 

  45. 		"movel	#0x81000200, %%d0\n\t"
    46. 

  46. 		"movec	%%d0, %%CACR\n\t"
    47. 

  47. 		"nop\n\t"
    48. 

  48. 		: : : "d0" );
    49. 

  49. #endif /* CONFIG_M528x */
    50. 

  50. #if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || defined(CONFIG_M5272)
    51. 

  51. 	__asm__ __volatile__ (
    52. 

  52. 		"movel	#0x81000100, %%d0\n\t"
    53. 

  53. 		"movec	%%d0, %%CACR\n\t"
    54. 

  54. 		"nop\n\t"
    55. 

  55. 		: : : "d0" );
    56. 

  56. #endif /* CONFIG_M5206 || CONFIG_M5206e || CONFIG_M5272 */
    57. 

  57. #ifdef CONFIG_M5249
    58. 

  58. 	__asm__ __volatile__ (
    59. 

  59. 		"movel	#0xa1000200, %%d0\n\t"
    60. 

  60. 		"movec	%%d0, %%CACR\n\t"
    61. 

  61. 		"nop\n\t"
    62. 

  62. 		: : : "d0" );
    63. 

  63. #endif /* CONFIG_M5249 */
    64. 

  64. #ifdef CONFIG_M532x
    65. 

  65. 	__asm__ __volatile__ (
    66. 

  66. 		"movel	#0x81000210, %%d0\n\t"
    67. 

  67. 		"movec	%%d0, %%CACR\n\t"
    68. 

  68. 		"nop\n\t"
    69. 

  69. 		: : : "d0" );
    70. 

  70. #endif /* CONFIG_M532x */
    71. 

  71. }
    72. 

  72. #endif /* __flush_cache_all */
    73. 

  73. 

  74. #endif /* _M68KNOMMU_CACHEFLUSH_H */
    75.