ArmPlatformLibNull.c 2.8 KB

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  1. /** @file
  2. *
  3. * Copyright (c) 2011-2012, ARM Limited. All rights reserved.
  4. *
  5. * SPDX-License-Identifier: BSD-2-Clause-Patent
  6. *
  7. **/
  8. #include <Library/ArmLib.h>
  9. #include <Library/ArmPlatformLib.h>
  10. #include <Ppi/ArmMpCoreInfo.h>
  11. ARM_CORE_INFO mArmPlatformNullMpCoreInfoTable[] = {
  12. {
  13. // Cluster 0, Core 0
  14. 0x0, 0x0,
  15. // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  16. (EFI_PHYSICAL_ADDRESS)0,
  17. (EFI_PHYSICAL_ADDRESS)0,
  18. (EFI_PHYSICAL_ADDRESS)0,
  19. (UINT64)0xFFFFFFFF
  20. },
  21. {
  22. // Cluster 0, Core 1
  23. 0x0, 0x1,
  24. // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  25. (EFI_PHYSICAL_ADDRESS)0,
  26. (EFI_PHYSICAL_ADDRESS)0,
  27. (EFI_PHYSICAL_ADDRESS)0,
  28. (UINT64)0xFFFFFFFF
  29. },
  30. {
  31. // Cluster 0, Core 2
  32. 0x0, 0x2,
  33. // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  34. (EFI_PHYSICAL_ADDRESS)0,
  35. (EFI_PHYSICAL_ADDRESS)0,
  36. (EFI_PHYSICAL_ADDRESS)0,
  37. (UINT64)0xFFFFFFFF
  38. },
  39. {
  40. // Cluster 0, Core 3
  41. 0x0, 0x3,
  42. // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  43. (EFI_PHYSICAL_ADDRESS)0,
  44. (EFI_PHYSICAL_ADDRESS)0,
  45. (EFI_PHYSICAL_ADDRESS)0,
  46. (UINT64)0xFFFFFFFF
  47. }
  48. };
  49. // This function should be better located into TimerLib implementation
  50. RETURN_STATUS
  51. EFIAPI
  52. TimerConstructor (
  53. VOID
  54. )
  55. {
  56. return EFI_SUCCESS;
  57. }
  58. /**
  59. Return the current Boot Mode
  60. This function returns the boot reason on the platform
  61. **/
  62. EFI_BOOT_MODE
  63. ArmPlatformGetBootMode (
  64. VOID
  65. )
  66. {
  67. return BOOT_WITH_FULL_CONFIGURATION;
  68. }
  69. /**
  70. Initialize controllers that must setup in the normal world
  71. This function is called by the ArmPlatformPkg/PrePi or ArmPlatformPkg/PlatformPei
  72. in the PEI phase.
  73. **/
  74. RETURN_STATUS
  75. ArmPlatformInitialize (
  76. IN UINTN MpId
  77. )
  78. {
  79. if (!ArmPlatformIsPrimaryCore (MpId)) {
  80. return RETURN_SUCCESS;
  81. }
  82. //TODO: Implement me
  83. return RETURN_SUCCESS;
  84. }
  85. EFI_STATUS
  86. PrePeiCoreGetMpCoreInfo (
  87. OUT UINTN *CoreCount,
  88. OUT ARM_CORE_INFO **ArmCoreTable
  89. )
  90. {
  91. if (ArmIsMpCore()) {
  92. *CoreCount = sizeof(mArmPlatformNullMpCoreInfoTable) / sizeof(ARM_CORE_INFO);
  93. *ArmCoreTable = mArmPlatformNullMpCoreInfoTable;
  94. return EFI_SUCCESS;
  95. } else {
  96. return EFI_UNSUPPORTED;
  97. }
  98. }
  99. ARM_MP_CORE_INFO_PPI mMpCoreInfoPpi = { PrePeiCoreGetMpCoreInfo };
  100. EFI_PEI_PPI_DESCRIPTOR gPlatformPpiTable[] = {
  101. {
  102. EFI_PEI_PPI_DESCRIPTOR_PPI,
  103. &gArmMpCoreInfoPpiGuid,
  104. &mMpCoreInfoPpi
  105. }
  106. };
  107. VOID
  108. ArmPlatformGetPlatformPpiList (
  109. OUT UINTN *PpiListSize,
  110. OUT EFI_PEI_PPI_DESCRIPTOR **PpiList
  111. )
  112. {
  113. if (ArmIsMpCore()) {
  114. *PpiListSize = sizeof(gPlatformPpiTable);
  115. *PpiList = gPlatformPpiTable;
  116. } else {
  117. *PpiListSize = 0;
  118. *PpiList = NULL;
  119. }
  120. }