MmcDebug.c 4.7 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167
  1. /** @file
  2. *
  3. * Copyright (c) 2011-2013, ARM Limited. All rights reserved.
  4. *
  5. * SPDX-License-Identifier: BSD-2-Clause-Patent
  6. *
  7. **/
  8. #include "Mmc.h"
  9. #if !defined (MDEPKG_NDEBUG)
  10. CONST CHAR8 *mStrUnit[] = {
  11. "100kbit/s", "1Mbit/s", "10Mbit/s", "100MBit/s",
  12. "Unknown", "Unknown", "Unknown", "Unknown"
  13. };
  14. CONST CHAR8 *mStrValue[] = {
  15. "1.0", "1.2", "1.3", "1.5", "2.0", "2.5", "3.0", "3.5", "4.0", "4.5", "5.0",
  16. "Unknown", "Unknown", "Unknown", "Unknown"
  17. };
  18. #endif
  19. VOID
  20. PrintCID (
  21. IN UINT32 *Cid
  22. )
  23. {
  24. DEBUG ((DEBUG_ERROR, "- PrintCID\n"));
  25. DEBUG ((DEBUG_ERROR, "\t- Manufacturing date: %d/%d\n", (Cid[0] >> 8) & 0xF, (Cid[0] >> 12) & 0xFF));
  26. DEBUG ((DEBUG_ERROR, "\t- Product serial number: 0x%X%X\n", Cid[1] & 0xFFFFFF, (Cid[0] >> 24) & 0xFF));
  27. DEBUG ((DEBUG_ERROR, "\t- Product revision: %d\n", Cid[1] >> 24));
  28. // DEBUG ((DEBUG_ERROR, "\t- Product name: %s\n", (char*)(Cid + 2)));
  29. DEBUG ((DEBUG_ERROR, "\t- OEM ID: %c%c\n", (Cid[3] >> 8) & 0xFF, (Cid[3] >> 16) & 0xFF));
  30. }
  31. VOID
  32. PrintCSD (
  33. IN UINT32 *Csd
  34. )
  35. {
  36. UINTN Value;
  37. if (((Csd[2] >> 30) & 0x3) == 0) {
  38. DEBUG ((DEBUG_ERROR, "- PrintCSD Version 1.01-1.10/Version 2.00/Standard Capacity\n"));
  39. } else if (((Csd[2] >> 30) & 0x3) == 1) {
  40. DEBUG ((DEBUG_ERROR, "- PrintCSD Version 2.00/High Capacity\n"));
  41. } else {
  42. DEBUG ((DEBUG_ERROR, "- PrintCSD Version Higher than v3.3\n"));
  43. }
  44. DEBUG ((DEBUG_ERROR, "\t- Supported card command class: 0x%X\n", MMC_CSD_GET_CCC (Csd)));
  45. DEBUG ((DEBUG_ERROR, "\t- Speed: %a %a\n", mStrValue[(MMC_CSD_GET_TRANSPEED (Csd) >> 3) & 0xF], mStrUnit[MMC_CSD_GET_TRANSPEED (Csd) & 7]));
  46. DEBUG ((DEBUG_ERROR, "\t- Maximum Read Data Block: %d\n", 2 << (MMC_CSD_GET_READBLLEN (Csd)-1)));
  47. DEBUG ((DEBUG_ERROR, "\t- Maximum Write Data Block: %d\n", 2 << (MMC_CSD_GET_WRITEBLLEN (Csd)-1)));
  48. if (!MMC_CSD_GET_FILEFORMATGRP (Csd)) {
  49. Value = MMC_CSD_GET_FILEFORMAT (Csd);
  50. if (Value == 0) {
  51. DEBUG ((DEBUG_ERROR, "\t- Format (0): Hard disk-like file system with partition table\n"));
  52. } else if (Value == 1) {
  53. DEBUG ((DEBUG_ERROR, "\t- Format (1): DOS FAT (floppy-like) with boot sector only (no partition table)\n"));
  54. } else if (Value == 2) {
  55. DEBUG ((DEBUG_ERROR, "\t- Format (2): Universal File Format\n"));
  56. } else {
  57. DEBUG ((DEBUG_ERROR, "\t- Format (3): Others/Unknown\n"));
  58. }
  59. } else {
  60. DEBUG ((DEBUG_ERROR, "\t- Format: Reserved\n"));
  61. }
  62. }
  63. VOID
  64. PrintRCA (
  65. IN UINT32 Rca
  66. )
  67. {
  68. DEBUG ((DEBUG_ERROR, "- PrintRCA: 0x%X\n", Rca));
  69. DEBUG ((DEBUG_ERROR, "\t- Status: 0x%X\n", Rca & 0xFFFF));
  70. DEBUG ((DEBUG_ERROR, "\t- RCA: 0x%X\n", (Rca >> 16) & 0xFFFF));
  71. }
  72. VOID
  73. PrintOCR (
  74. IN UINT32 Ocr
  75. )
  76. {
  77. UINTN MinV;
  78. UINTN MaxV;
  79. UINTN Volts;
  80. UINTN Loop;
  81. MinV = 36; // 3.6
  82. MaxV = 20; // 2.0
  83. Volts = 20; // 2.0
  84. // The MMC register bits [23:8] indicate the working range of the card
  85. for (Loop = 8; Loop < 24; Loop++) {
  86. if (Ocr & (1 << Loop)) {
  87. if (MinV > Volts) {
  88. MinV = Volts;
  89. }
  90. if (MaxV < Volts) {
  91. MaxV = Volts + 1;
  92. }
  93. }
  94. Volts++;
  95. }
  96. DEBUG ((DEBUG_ERROR, "- PrintOCR Ocr (0x%X)\n", Ocr));
  97. DEBUG ((DEBUG_ERROR, "\t- Card operating voltage: %d.%d to %d.%d\n", MinV/10, MinV % 10, MaxV/10, MaxV % 10));
  98. if (((Ocr >> 29) & 3) == 0) {
  99. DEBUG ((DEBUG_ERROR, "\t- AccessMode: Byte Mode\n"));
  100. } else {
  101. DEBUG ((DEBUG_ERROR, "\t- AccessMode: Block Mode (0x%X)\n", ((Ocr >> 29) & 3)));
  102. }
  103. if (Ocr & MMC_OCR_POWERUP) {
  104. DEBUG ((DEBUG_ERROR, "\t- PowerUp\n"));
  105. } else {
  106. DEBUG ((DEBUG_ERROR, "\t- Voltage Not Supported\n"));
  107. }
  108. }
  109. VOID
  110. PrintResponseR1 (
  111. IN UINT32 Response
  112. )
  113. {
  114. DEBUG ((DEBUG_INFO, "Response: 0x%X\n", Response));
  115. if (Response & MMC_R0_READY_FOR_DATA) {
  116. DEBUG ((DEBUG_INFO, "\t- READY_FOR_DATA\n"));
  117. }
  118. switch ((Response >> 9) & 0xF) {
  119. case 0:
  120. DEBUG ((DEBUG_INFO, "\t- State: Idle\n"));
  121. break;
  122. case 1:
  123. DEBUG ((DEBUG_INFO, "\t- State: Ready\n"));
  124. break;
  125. case 2:
  126. DEBUG ((DEBUG_INFO, "\t- State: Ident\n"));
  127. break;
  128. case 3:
  129. DEBUG ((DEBUG_INFO, "\t- State: StandBy\n"));
  130. break;
  131. case 4:
  132. DEBUG ((DEBUG_INFO, "\t- State: Tran\n"));
  133. break;
  134. case 5:
  135. DEBUG ((DEBUG_INFO, "\t- State: Data\n"));
  136. break;
  137. case 6:
  138. DEBUG ((DEBUG_INFO, "\t- State: Rcv\n"));
  139. break;
  140. case 7:
  141. DEBUG ((DEBUG_INFO, "\t- State: Prg\n"));
  142. break;
  143. case 8:
  144. DEBUG ((DEBUG_INFO, "\t- State: Dis\n"));
  145. break;
  146. default:
  147. DEBUG ((DEBUG_INFO, "\t- State: Reserved\n"));
  148. break;
  149. }
  150. }