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 9 #include "Mmc.h" 10 11 #if !defined(MDEPKG_NDEBUG) 12 CONST CHAR8* mStrUnit[] = { "100kbit/s", "1Mbit/s", "10Mbit/s", "100MBit/s", 13 "Unknown", "Unknown", "Unknown", "Unknown" }; 14 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", 15 "Unknown", "Unknown", "Unknown", "Unknown" }; 16 #endif 17 18 VOID 19 PrintCID ( 20 IN UINT32* Cid 21 ) 22 { 23 DEBUG ((EFI_D_ERROR, "- PrintCID\n")); 24 DEBUG ((EFI_D_ERROR, "\t- Manufacturing date: %d/%d\n", (Cid[0] >> 8) & 0xF, (Cid[0] >> 12) & 0xFF)); 25 DEBUG ((EFI_D_ERROR, "\t- Product serial number: 0x%X%X\n", Cid[1] & 0xFFFFFF, (Cid[0] >> 24) & 0xFF)); 26 DEBUG ((EFI_D_ERROR, "\t- Product revision: %d\n", Cid[1] >> 24)); 27 //DEBUG ((EFI_D_ERROR, "\t- Product name: %s\n", (char*)(Cid + 2))); 28 DEBUG ((EFI_D_ERROR, "\t- OEM ID: %c%c\n", (Cid[3] >> 8) & 0xFF, (Cid[3] >> 16) & 0xFF)); 29 } 30 31 32 VOID 33 PrintCSD ( 34 IN UINT32* Csd 35 ) 36 { 37 UINTN Value; 38 39 if (((Csd[2] >> 30) & 0x3) == 0) { 40 DEBUG ((EFI_D_ERROR, "- PrintCSD Version 1.01-1.10/Version 2.00/Standard Capacity\n")); 41 } else if (((Csd[2] >> 30) & 0x3) == 1) { 42 DEBUG ((EFI_D_ERROR, "- PrintCSD Version 2.00/High Capacity\n")); 43 } else { 44 DEBUG ((EFI_D_ERROR, "- PrintCSD Version Higher than v3.3\n")); 45 } 46 47 DEBUG ((EFI_D_ERROR, "\t- Supported card command class: 0x%X\n", MMC_CSD_GET_CCC (Csd))); 48 DEBUG ((EFI_D_ERROR, "\t- Speed: %a %a\n",mStrValue[(MMC_CSD_GET_TRANSPEED (Csd) >> 3) & 0xF],mStrUnit[MMC_CSD_GET_TRANSPEED (Csd) & 7])); 49 DEBUG ((EFI_D_ERROR, "\t- Maximum Read Data Block: %d\n",2 << (MMC_CSD_GET_READBLLEN (Csd)-1))); 50 DEBUG ((EFI_D_ERROR, "\t- Maximum Write Data Block: %d\n",2 << (MMC_CSD_GET_WRITEBLLEN (Csd)-1))); 51 52 if (!MMC_CSD_GET_FILEFORMATGRP (Csd)) { 53 Value = MMC_CSD_GET_FILEFORMAT (Csd); 54 if (Value == 0) { 55 DEBUG ((EFI_D_ERROR, "\t- Format (0): Hard disk-like file system with partition table\n")); 56 } else if (Value == 1) { 57 DEBUG ((EFI_D_ERROR, "\t- Format (1): DOS FAT (floppy-like) with boot sector only (no partition table)\n")); 58 } else if (Value == 2) { 59 DEBUG ((EFI_D_ERROR, "\t- Format (2): Universal File Format\n")); 60 } else { 61 DEBUG ((EFI_D_ERROR, "\t- Format (3): Others/Unknown\n")); 62 } 63 } else { 64 DEBUG ((EFI_D_ERROR, "\t- Format: Reserved\n")); 65 } 66 } 67 68 VOID 69 PrintRCA ( 70 IN UINT32 Rca 71 ) 72 { 73 DEBUG ((EFI_D_ERROR, "- PrintRCA: 0x%X\n", Rca)); 74 DEBUG ((EFI_D_ERROR, "\t- Status: 0x%X\n", Rca & 0xFFFF)); 75 DEBUG ((EFI_D_ERROR, "\t- RCA: 0x%X\n", (Rca >> 16) & 0xFFFF)); 76 } 77 78 VOID 79 PrintOCR ( 80 IN UINT32 Ocr 81 ) 82 { 83 UINTN MinV; 84 UINTN MaxV; 85 UINTN Volts; 86 UINTN Loop; 87 88 MinV = 36; // 3.6 89 MaxV = 20; // 2.0 90 Volts = 20; // 2.0 91 92 // The MMC register bits [23:8] indicate the working range of the card 93 for (Loop = 8; Loop < 24; Loop++) { 94 if (Ocr & (1 << Loop)) { 95 if (MinV > Volts) { 96 MinV = Volts; 97 } 98 if (MaxV < Volts) { 99 MaxV = Volts + 1; 100 } 101 } 102 Volts++; 103 } 104 105 DEBUG ((EFI_D_ERROR, "- PrintOCR Ocr (0x%X)\n",Ocr)); 106 DEBUG ((EFI_D_ERROR, "\t- Card operating voltage: %d.%d to %d.%d\n", MinV/10, MinV % 10, MaxV/10, MaxV % 10)); 107 if (((Ocr >> 29) & 3) == 0) { 108 DEBUG ((EFI_D_ERROR, "\t- AccessMode: Byte Mode\n")); 109 } else { 110 DEBUG ((EFI_D_ERROR, "\t- AccessMode: Block Mode (0x%X)\n", ((Ocr >> 29) & 3))); 111 } 112 113 if (Ocr & MMC_OCR_POWERUP) { 114 DEBUG ((EFI_D_ERROR, "\t- PowerUp\n")); 115 } else { 116 DEBUG ((EFI_D_ERROR, "\t- Voltage Not Supported\n")); 117 } 118 } 119 120 VOID 121 PrintResponseR1 ( 122 IN UINT32 Response 123 ) 124 { 125 DEBUG ((EFI_D_INFO, "Response: 0x%X\n", Response)); 126 if (Response & MMC_R0_READY_FOR_DATA) { 127 DEBUG ((EFI_D_INFO, "\t- READY_FOR_DATA\n")); 128 } 129 130 switch ((Response >> 9) & 0xF) { 131 case 0: 132 DEBUG ((EFI_D_INFO, "\t- State: Idle\n")); 133 break; 134 case 1: 135 DEBUG ((EFI_D_INFO, "\t- State: Ready\n")); 136 break; 137 case 2: 138 DEBUG ((EFI_D_INFO, "\t- State: Ident\n")); 139 break; 140 case 3: 141 DEBUG ((EFI_D_INFO, "\t- State: StandBy\n")); 142 break; 143 case 4: 144 DEBUG ((EFI_D_INFO, "\t- State: Tran\n")); 145 break; 146 case 5: 147 DEBUG ((EFI_D_INFO, "\t- State: Data\n")); 148 break; 149 case 6: 150 DEBUG ((EFI_D_INFO, "\t- State: Rcv\n")); 151 break; 152 case 7: 153 DEBUG ((EFI_D_INFO, "\t- State: Prg\n")); 154 break; 155 case 8: 156 DEBUG ((EFI_D_INFO, "\t- State: Dis\n")); 157 break; 158 default: 159 DEBUG ((EFI_D_INFO, "\t- State: Reserved\n")); 160 break; 161 } 162 } 163