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arch
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blackfin
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include
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asm
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blackfin.h

blackfin.h 1.6 KB
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  1. /*
    2. 

  2.  * Common header file for blackfin family of processors.
    3. 

  3.  *
    4. 

  4.  */
    5. 

  5. 

  6. #ifndef _BLACKFIN_H_
    7. 

  7. #define _BLACKFIN_H_
    8. 

  8. 

  9. #include <mach/anomaly.h>
    10. 

  10. 

  11. #ifndef __ASSEMBLY__
    12. 

  12. 

  13. /* SSYNC implementation for C file */
    14. 

  14. static inline void SSYNC(void)
    15. 

  15. {
    16. 

  16. 	int _tmp;
    17. 

  17. 	if (ANOMALY_05000312)
    18. 

  18. 		__asm__ __volatile__(
    19. 

  19. 			"cli %0;"
    20. 

  20. 			"nop;"
    21. 

  21. 			"nop;"
    22. 

  22. 			"ssync;"
    23. 

  23. 			"sti %0;"
    24. 

  24. 			: "=d" (_tmp)
    25. 

  25. 		);
    26. 

  26. 	else if (ANOMALY_05000244)
    27. 

  27. 		__asm__ __volatile__(
    28. 

  28. 			"nop;"
    29. 

  29. 			"nop;"
    30. 

  30. 			"nop;"
    31. 

  31. 			"ssync;"
    32. 

  32. 		);
    33. 

  33. 	else
    34. 

  34. 		__asm__ __volatile__("ssync;");
    35. 

  35. }
    36. 

  36. 

  37. /* CSYNC implementation for C file */
    38. 

  38. static inline void CSYNC(void)
    39. 

  39. {
    40. 

  40. 	int _tmp;
    41. 

  41. 	if (ANOMALY_05000312)
    42. 

  42. 		__asm__ __volatile__(
    43. 

  43. 			"cli %0;"
    44. 

  44. 			"nop;"
    45. 

  45. 			"nop;"
    46. 

  46. 			"csync;"
    47. 

  47. 			"sti %0;"
    48. 

  48. 			: "=d" (_tmp)
    49. 

  49. 		);
    50. 

  50. 	else if (ANOMALY_05000244)
    51. 

  51. 		__asm__ __volatile__(
    52. 

  52. 			"nop;"
    53. 

  53. 			"nop;"
    54. 

  54. 			"nop;"
    55. 

  55. 			"csync;"
    56. 

  56. 		);
    57. 

  57. 	else
    58. 

  58. 		__asm__ __volatile__("csync;");
    59. 

  59. }
    60. 

  60. 

  61. #else  /* __ASSEMBLY__ */
    62. 

  62. 

  63. #define LO(con32) ((con32) & 0xFFFF)
    64. 

  64. #define lo(con32) ((con32) & 0xFFFF)
    65. 

  65. #define HI(con32) (((con32) >> 16) & 0xFFFF)
    66. 

  66. #define hi(con32) (((con32) >> 16) & 0xFFFF)
    67. 

  67. 

  68. /* SSYNC & CSYNC implementations for assembly files */
    69. 

  69. 

  70. #define ssync(x) SSYNC(x)
    71. 

  71. #define csync(x) CSYNC(x)
    72. 

  72. 

  73. #if ANOMALY_05000312
    74. 

  74. #define SSYNC(scratch) cli scratch; nop; nop; SSYNC; sti scratch;
    75. 

  75. #define CSYNC(scratch) cli scratch; nop; nop; CSYNC; sti scratch;
    76. 

  76. 

  77. #elif ANOMALY_05000244
    78. 

  78. #define SSYNC(scratch) nop; nop; nop; SSYNC;
    79. 

  79. #define CSYNC(scratch) nop; nop; nop; CSYNC;
    80. 

  80. 

  81. #else
    82. 

  82. #define SSYNC(scratch) SSYNC;
    83. 

  83. #define CSYNC(scratch) CSYNC;
    84. 

  84. 

  85. #endif /* ANOMALY_05000312 & ANOMALY_05000244 handling */
    86. 

  86. 

  87. #endif /* __ASSEMBLY__ */
    88. 

  88. 

  89. #include <mach/blackfin.h>
    90. 

  90. #include <asm/bfin-global.h>
    91. 

  91. 

  92. #endif				/* _BLACKFIN_H_ */
    93.