heterogeneousDataSynchronization.h 3.4 KB

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  1. /*
  2. * Miscellaneous IOCTL commands for Dynamic Power Management Controller Driver
  3. *
  4. * Copyright (C) 2004-2009 Analog Device Inc.
  5. *
  6. * Licensed under the GPL-2
  7. */
  8. #ifndef _BLACKFIN_DPMC_H_
  9. #define _BLACKFIN_DPMC_H_
  10. #ifdef __ASSEMBLY__
  11. #define PM_REG0 R7
  12. #define PM_REG1 R6
  13. #define PM_REG2 R5
  14. #define PM_REG3 R4
  15. #define PM_REG4 R3
  16. #define PM_REG5 R2
  17. #define PM_REG6 R1
  18. #define PM_REG7 R0
  19. #define PM_REG8 P5
  20. #define PM_REG9 P4
  21. #define PM_REG10 P3
  22. #define PM_REG11 P2
  23. #define PM_REG12 P1
  24. #define PM_REG13 P0
  25. #define PM_REGSET0 R7:7
  26. #define PM_REGSET1 R7:6
  27. #define PM_REGSET2 R7:5
  28. #define PM_REGSET3 R7:4
  29. #define PM_REGSET4 R7:3
  30. #define PM_REGSET5 R7:2
  31. #define PM_REGSET6 R7:1
  32. #define PM_REGSET7 R7:0
  33. #define PM_REGSET8 R7:0, P5:5
  34. #define PM_REGSET9 R7:0, P5:4
  35. #define PM_REGSET10 R7:0, P5:3
  36. #define PM_REGSET11 R7:0, P5:2
  37. #define PM_REGSET12 R7:0, P5:1
  38. #define PM_REGSET13 R7:0, P5:0
  39. #define _PM_PUSH(n, x, w, base) PM_REG##n = w[FP + ((x) - (base))];
  40. #define _PM_POP(n, x, w, base) w[FP + ((x) - (base))] = PM_REG##n;
  41. #define PM_PUSH_SYNC(n) [--sp] = (PM_REGSET##n);
  42. #define PM_POP_SYNC(n) (PM_REGSET##n) = [sp++];
  43. #define PM_PUSH(n, x) PM_REG##n = [FP++];
  44. #define PM_POP(n, x) [FP--] = PM_REG##n;
  45. #define PM_CORE_PUSH(n, x) _PM_PUSH(n, x, , COREMMR_BASE)
  46. #define PM_CORE_POP(n, x) _PM_POP(n, x, , COREMMR_BASE)
  47. #define PM_SYS_PUSH(n, x) _PM_PUSH(n, x, , SYSMMR_BASE)
  48. #define PM_SYS_POP(n, x) _PM_POP(n, x, , SYSMMR_BASE)
  49. #define PM_SYS_PUSH16(n, x) _PM_PUSH(n, x, w, SYSMMR_BASE)
  50. #define PM_SYS_POP16(n, x) _PM_POP(n, x, w, SYSMMR_BASE)
  51. .macro bfin_init_pm_bench_cycles
  52. #ifdef CONFIG_BFIN_PM_WAKEUP_TIME_BENCH
  53. R4 = 0;
  54. CYCLES = R4;
  55. CYCLES2 = R4;
  56. R4 = SYSCFG;
  57. BITSET(R4, 1);
  58. SYSCFG = R4;
  59. #endif
  60. .endm
  61. .macro bfin_cpu_reg_save
  62. /*
  63. * Save the core regs early so we can blow them away when
  64. * saving/restoring MMR states
  65. */
  66. [--sp] = (R7:0, P5:0);
  67. [--sp] = fp;
  68. [--sp] = usp;
  69. [--sp] = i0;
  70. [--sp] = i1;
  71. [--sp] = i2;
  72. [--sp] = i3;
  73. [--sp] = m0;
  74. [--sp] = m1;
  75. [--sp] = m2;
  76. [--sp] = m3;
  77. [--sp] = l0;
  78. [--sp] = l1;
  79. [--sp] = l2;
  80. [--sp] = l3;
  81. [--sp] = b0;
  82. [--sp] = b1;
  83. [--sp] = b2;
  84. [--sp] = b3;
  85. [--sp] = a0.x;
  86. [--sp] = a0.w;
  87. [--sp] = a1.x;
  88. [--sp] = a1.w;
  89. [--sp] = LC0;
  90. [--sp] = LC1;
  91. [--sp] = LT0;
  92. [--sp] = LT1;
  93. [--sp] = LB0;
  94. [--sp] = LB1;
  95. /* We can't push RETI directly as that'll change IPEND[4] */
  96. r7 = RETI;
  97. [--sp] = RETS;
  98. [--sp] = ASTAT;
  99. #ifndef CONFIG_BFIN_PM_WAKEUP_TIME_BENCH
  100. [--sp] = CYCLES;
  101. [--sp] = CYCLES2;
  102. #endif
  103. [--sp] = SYSCFG;
  104. [--sp] = RETX;
  105. [--sp] = SEQSTAT;
  106. [--sp] = r7;
  107. /* Save first func arg in M3 */
  108. M3 = R0;
  109. .endm
  110. .macro bfin_cpu_reg_restore
  111. /* Restore Core Registers */
  112. RETI = [sp++];
  113. SEQSTAT = [sp++];
  114. RETX = [sp++];
  115. SYSCFG = [sp++];
  116. #ifndef CONFIG_BFIN_PM_WAKEUP_TIME_BENCH
  117. CYCLES2 = [sp++];
  118. CYCLES = [sp++];
  119. #endif
  120. ASTAT = [sp++];
  121. RETS = [sp++];
  122. LB1 = [sp++];
  123. LB0 = [sp++];
  124. LT1 = [sp++];
  125. LT0 = [sp++];
  126. LC1 = [sp++];
  127. LC0 = [sp++];
  128. a1.w = [sp++];
  129. a1.x = [sp++];
  130. a0.w = [sp++];
  131. a0.x = [sp++];
  132. b3 = [sp++];
  133. b2 = [sp++];
  134. b1 = [sp++];
  135. b0 = [sp++];
  136. l3 = [sp++];
  137. l2 = [sp++];
  138. l1 = [sp++];
  139. l0 = [sp++];
  140. m3 = [sp++];
  141. m2 = [sp++];
  142. m1 = [sp++];
  143. m0 = [sp++];
  144. i3 = [sp++];
  145. i2 = [sp++];
  146. i1 = [sp++];
  147. i0 = [sp++];
  148. usp = [sp++];
  149. fp = [sp++];
  150. (R7:0, P5:0) = [sp++];
  151. .endm
  152. .macro bfin_sys_mmr_save
  153. /* Save system MMRs */
  154. FP.H = hi(SYSMMR_BASE);
  155. FP.L = lo(SYSMMR_BASE);