EmbeddedPkg/Universal/MmcDxe/MmcDebug.c

   1 /** @file
   2 *
   3 *  Copyright (c) 2011-2013, ARM Limited. All rights reserved.
   4 *
   5 *  This program and the accompanying materials
   6 *  are licensed and made available under the terms and conditions of the BSD License
   7 *  which accompanies this distribution.  The full text of the license may be found at
   8 *  http://opensource.org/licenses/bsd-license.php
   9 *
  10 *  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 *  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 *
  13 **/
  14
  15 #include "Mmc.h"
  16
  17 #if !defined(MDEPKG_NDEBUG)
  18 CONST CHAR8* mStrUnit[] = { "100kbit/s", "1Mbit/s", "10Mbit/s", "100MBit/s",
  19                             "Unknown", "Unknown", "Unknown", "Unknown" };
  20 CONST CHAR8* mStrValue[] = { "1.0", "1.2", "1.3", "1.5", "2.0", "2.5", "3.0", "3.5", "4.0", "4.5", "5.0",
  21                              "Unknown", "Unknown", "Unknown", "Unknown" };
  22 #endif
  23
  24 VOID
  25 PrintCID (
  26   IN UINT32* Cid
  27   )
  28 {
  29   DEBUG ((EFI_D_ERROR, "- PrintCID\n"));
  30   DEBUG ((EFI_D_ERROR, "\t- Manufacturing date: %d/%d\n", (Cid[0] >> 8) & 0xF, (Cid[0] >> 12) & 0xFF));
  31   DEBUG ((EFI_D_ERROR, "\t- Product serial number: 0x%X%X\n", Cid[1] & 0xFFFFFF, (Cid[0] >> 24) & 0xFF));
  32   DEBUG ((EFI_D_ERROR, "\t- Product revision: %d\n", Cid[1] >> 24));
  33   //DEBUG ((EFI_D_ERROR, "\t- Product name: %s\n", (char*)(Cid + 2)));
  34   DEBUG ((EFI_D_ERROR, "\t- OEM ID: %c%c\n", (Cid[3] >> 8) & 0xFF, (Cid[3] >> 16) & 0xFF));
  35 }
  36
  37
  38 VOID
  39 PrintCSD (
  40   IN UINT32* Csd
  41   )
  42 {
  43   UINTN Value;
  44
  45   if (((Csd[2] >> 30) & 0x3) == 0) {
  46     DEBUG ((EFI_D_ERROR, "- PrintCSD Version 1.01-1.10/Version 2.00/Standard Capacity\n"));
  47   } else if (((Csd[2] >> 30) & 0x3) == 1) {
  48     DEBUG ((EFI_D_ERROR, "- PrintCSD Version 2.00/High Capacity\n"));
  49   } else {
  50     DEBUG ((EFI_D_ERROR, "- PrintCSD Version Higher than v3.3\n"));
  51   }
  52
  53   DEBUG ((EFI_D_ERROR, "\t- Supported card command class: 0x%X\n", MMC_CSD_GET_CCC (Csd)));
  54   DEBUG ((EFI_D_ERROR, "\t- Speed: %a %a\n",mStrValue[(MMC_CSD_GET_TRANSPEED (Csd) >> 3) & 0xF],mStrUnit[MMC_CSD_GET_TRANSPEED (Csd) & 7]));
  55   DEBUG ((EFI_D_ERROR, "\t- Maximum Read Data Block: %d\n",2 << (MMC_CSD_GET_READBLLEN (Csd)-1)));
  56   DEBUG ((EFI_D_ERROR, "\t- Maximum Write Data Block: %d\n",2 << (MMC_CSD_GET_WRITEBLLEN (Csd)-1)));
  57
  58   if (!MMC_CSD_GET_FILEFORMATGRP (Csd)) {
  59     Value = MMC_CSD_GET_FILEFORMAT (Csd);
  60     if (Value == 0) {
  61       DEBUG ((EFI_D_ERROR, "\t- Format (0): Hard disk-like file system with partition table\n"));
  62     } else if (Value == 1) {
  63       DEBUG ((EFI_D_ERROR, "\t- Format (1): DOS FAT (floppy-like) with boot sector only (no partition table)\n"));
  64     } else if (Value == 2) {
  65       DEBUG ((EFI_D_ERROR, "\t- Format (2): Universal File Format\n"));
  66     } else {
  67       DEBUG ((EFI_D_ERROR, "\t- Format (3): Others/Unknown\n"));
  68     }
  69   } else {
  70     DEBUG ((EFI_D_ERROR, "\t- Format: Reserved\n"));
  71   }
  72 }
  73
  74 VOID
  75 PrintRCA (
  76   IN UINT32 Rca
  77   )
  78 {
  79   DEBUG ((EFI_D_ERROR, "- PrintRCA: 0x%X\n", Rca));
  80   DEBUG ((EFI_D_ERROR, "\t- Status: 0x%X\n", Rca & 0xFFFF));
  81   DEBUG ((EFI_D_ERROR, "\t- RCA: 0x%X\n", (Rca >> 16) & 0xFFFF));
  82 }
  83
  84 VOID
  85 PrintOCR (
  86   IN UINT32 Ocr
  87   )
  88 {
  89   UINTN MinV;
  90   UINTN MaxV;
  91   UINTN Volts;
  92   UINTN Loop;
  93
  94   MinV  = 36;  // 3.6
  95   MaxV  = 20;  // 2.0
  96   Volts = 20;  // 2.0
  97
  98   // The MMC register bits [23:8] indicate the working range of the card
  99   for (Loop = 8; Loop < 24; Loop++) {
 100     if (Ocr & (1 << Loop)) {
 101       if (MinV > Volts) {
 102         MinV = Volts;
 103       }
 104       if (MaxV < Volts) {
 105         MaxV = Volts + 1;
 106       }
 107     }
 108     Volts++;
 109   }
 110
 111   DEBUG ((EFI_D_ERROR, "- PrintOCR Ocr (0x%X)\n",Ocr));
 112   DEBUG ((EFI_D_ERROR, "\t- Card operating voltage: %d.%d to %d.%d\n", MinV/10, MinV % 10, MaxV/10, MaxV % 10));
 113   if (((Ocr >> 29) & 3) == 0) {
 114     DEBUG ((EFI_D_ERROR, "\t- AccessMode: Byte Mode\n"));
 115   } else {
 116     DEBUG ((EFI_D_ERROR, "\t- AccessMode: Block Mode (0x%X)\n", ((Ocr >> 29) & 3)));
 117   }
 118
 119   if (Ocr & MMC_OCR_POWERUP) {
 120     DEBUG ((EFI_D_ERROR, "\t- PowerUp\n"));
 121   } else {
 122     DEBUG ((EFI_D_ERROR, "\t- Voltage Not Supported\n"));
 123   }
 124 }
 125
 126 VOID
 127 PrintResponseR1 (
 128   IN  UINT32 Response
 129   )
 130 {
 131   DEBUG ((EFI_D_INFO, "Response: 0x%X\n", Response));
 132   if (Response & MMC_R0_READY_FOR_DATA) {
 133     DEBUG ((EFI_D_INFO, "\t- READY_FOR_DATA\n"));
 134   }
 135
 136   switch ((Response >> 9) & 0xF) {
 137   case 0:
 138     DEBUG ((EFI_D_INFO, "\t- State: Idle\n"));
 139     break;
 140   case 1:
 141     DEBUG ((EFI_D_INFO, "\t- State: Ready\n"));
 142     break;
 143   case 2:
 144     DEBUG ((EFI_D_INFO, "\t- State: Ident\n"));
 145     break;
 146   case 3:
 147     DEBUG ((EFI_D_INFO, "\t- State: StandBy\n"));
 148     break;
 149   case 4:
 150     DEBUG ((EFI_D_INFO, "\t- State: Tran\n"));
 151     break;
 152   case 5:
 153     DEBUG ((EFI_D_INFO, "\t- State: Data\n"));
 154     break;
 155   case 6:
 156     DEBUG ((EFI_D_INFO, "\t- State: Rcv\n"));
 157     break;
 158   case 7:
 159     DEBUG ((EFI_D_INFO, "\t- State: Prg\n"));
 160     break;
 161   case 8:
 162     DEBUG ((EFI_D_INFO, "\t- State: Dis\n"));
 163     break;
 164   default:
 165     DEBUG ((EFI_D_INFO, "\t- State: Reserved\n"));
 166     break;
 167   }
 168 }