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 } 169
