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1bfda055 | 1 | /** @file\r |
2 | *\r | |
6f711615 | 3 | * Copyright (c) 2011-2013, ARM Limited. All rights reserved.\r |
1bfda055 | 4 | * \r |
5 | * This program and the accompanying materials \r | |
6 | * are licensed and made available under the terms and conditions of the BSD License \r | |
7 | * which accompanies this distribution. The full text of the license may be found at \r | |
8 | * http://opensource.org/licenses/bsd-license.php \r | |
9 | *\r | |
10 | * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
11 | * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
12 | *\r | |
13 | **/\r | |
14 | \r | |
15 | #include <Protocol/MmcHost.h>\r | |
16 | #include <Library/DebugLib.h>\r | |
17 | #include <Library/BaseMemoryLib.h>\r | |
18 | #include <Library/TimerLib.h>\r | |
19 | \r | |
20 | #include "Mmc.h"\r | |
21 | \r | |
22 | // Untested ...\r | |
23 | //#define USE_STREAM\r | |
24 | \r | |
a1ab9143 | 25 | #define MAX_RETRY_COUNT 1000\r |
26 | #define CMD_RETRY_COUNT 20\r | |
1bfda055 | 27 | \r |
28 | EFI_STATUS\r | |
29 | MmcNotifyState (\r | |
e8e95df4 | 30 | IN MMC_HOST_INSTANCE *MmcHostInstance,\r |
31 | IN MMC_STATE State\r | |
32 | )\r | |
33 | {\r | |
34 | MmcHostInstance->State = State;\r | |
16d88c2d | 35 | return MmcHostInstance->MmcHost->NotifyState (MmcHostInstance->MmcHost, State);\r |
1bfda055 | 36 | }\r |
37 | \r | |
e8e95df4 | 38 | VOID\r |
39 | PrintOCR (\r | |
40 | IN UINT32 Ocr\r | |
41 | )\r | |
42 | {\r | |
6f711615 | 43 | UINTN MinV;\r |
44 | UINTN MaxV;\r | |
45 | UINTN Volts;\r | |
46 | UINTN Loop;\r | |
e8e95df4 | 47 | \r |
6f711615 | 48 | MinV = 36; // 3.6\r |
49 | MaxV = 20; // 2.0\r | |
50 | Volts = 20; // 2.0\r | |
e8e95df4 | 51 | \r |
52 | // The MMC register bits [23:8] indicate the working range of the card\r | |
6f711615 | 53 | for (Loop = 8; Loop < 24; Loop++) {\r |
54 | if (Ocr & (1 << Loop)) {\r | |
55 | if (MinV > Volts) MinV = Volts;\r | |
56 | if (MaxV < Volts) MaxV = Volts + 1;\r | |
1bfda055 | 57 | }\r |
6f711615 | 58 | Volts = Volts + 1;\r |
e8e95df4 | 59 | }\r |
60 | \r | |
6f711615 | 61 | DEBUG ((EFI_D_ERROR, "- PrintOCR Ocr (0x%X)\n",Ocr));\r |
62 | DEBUG ((EFI_D_ERROR, "\t- Card operating voltage: %d.%d to %d.%d\n", MinV/10, MinV % 10, MaxV/10, MaxV % 10));\r | |
e8e95df4 | 63 | if (((Ocr >> 29) & 3) == 0) {\r |
6f711615 | 64 | DEBUG ((EFI_D_ERROR, "\t- AccessMode: Byte Mode\n"));\r |
e8e95df4 | 65 | } else {\r |
6f711615 | 66 | DEBUG ((EFI_D_ERROR, "\t- AccessMode: Block Mode (0x%X)\n", ((Ocr >> 29) & 3)));\r |
e8e95df4 | 67 | }\r |
68 | \r | |
69 | if (Ocr & MMC_OCR_POWERUP) {\r | |
6f711615 | 70 | DEBUG ((EFI_D_ERROR, "\t- PowerUp\n"));\r |
e8e95df4 | 71 | } else {\r |
6f711615 | 72 | DEBUG ((EFI_D_ERROR, "\t- Voltage Not Supported\n"));\r |
e8e95df4 | 73 | }\r |
1bfda055 | 74 | }\r |
75 | \r | |
e8e95df4 | 76 | VOID PrintCID (\r |
77 | IN UINT32* Cid\r | |
78 | )\r | |
79 | {\r | |
6f711615 | 80 | DEBUG ((EFI_D_ERROR, "- PrintCID\n"));\r |
81 | DEBUG ((EFI_D_ERROR, "\t- Manufacturing date: %d/%d\n", (Cid[0] >> 8) & 0xF, (Cid[0] >> 12) & 0xFF));\r | |
82 | DEBUG ((EFI_D_ERROR, "\t- Product serial number: 0x%X%X\n", Cid[1] & 0xFFFFFF, (Cid[0] >> 24) & 0xFF));\r | |
83 | DEBUG ((EFI_D_ERROR, "\t- Product revision: %d\n", Cid[1] >> 24));\r | |
84 | //DEBUG ((EFI_D_ERROR, "\t- Product name: %s\n", (char*)(Cid + 2)));\r | |
85 | DEBUG ((EFI_D_ERROR, "\t- OEM ID: %c%c\n", (Cid[3] >> 8) & 0xFF, (Cid[3] >> 16) & 0xFF));\r | |
1bfda055 | 86 | }\r |
87 | \r | |
8f964e8d | 88 | #if !defined(MDEPKG_NDEBUG)\r |
6f711615 | 89 | CONST CHAR8* mStrUnit[] = { "100kbit/s", "1Mbit/s", "10Mbit/s", "100MBit/s",\r |
90 | "Unknown", "Unknown", "Unknown", "Unknown" };\r | |
91 | 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",\r | |
92 | "Unknown", "Unknown", "Unknown", "Unknown" };\r | |
8f964e8d | 93 | #endif\r |
94 | \r | |
e8e95df4 | 95 | VOID\r |
96 | PrintCSD (\r | |
97 | IN UINT32* Csd\r | |
98 | )\r | |
99 | {\r | |
100 | UINTN Value;\r | |
e8e95df4 | 101 | \r |
102 | if (((Csd[2] >> 30) & 0x3) == 0) {\r | |
6f711615 | 103 | DEBUG ((EFI_D_ERROR, "- PrintCSD Version 1.01-1.10/Version 2.00/Standard Capacity\n"));\r |
e8e95df4 | 104 | } else if (((Csd[2] >> 30) & 0x3) == 1) {\r |
6f711615 | 105 | DEBUG ((EFI_D_ERROR, "- PrintCSD Version 2.00/High Capacity\n"));\r |
e8e95df4 | 106 | } else {\r |
6f711615 | 107 | DEBUG ((EFI_D_ERROR, "- PrintCSD Version Higher than v3.3\n"));\r |
e8e95df4 | 108 | }\r |
109 | \r | |
6f711615 | 110 | DEBUG ((EFI_D_ERROR, "\t- Supported card command class: 0x%X\n", MMC_CSD_GET_CCC(Csd)));\r |
111 | DEBUG ((EFI_D_ERROR, "\t- Speed: %a %a\n",mStrValue[(MMC_CSD_GET_TRANSPEED(Csd) >> 3) & 0xF],mStrUnit[MMC_CSD_GET_TRANSPEED(Csd) & 7]));\r | |
112 | DEBUG ((EFI_D_ERROR, "\t- Maximum Read Data Block: %d\n",2 << (MMC_CSD_GET_READBLLEN(Csd)-1)));\r | |
113 | DEBUG ((EFI_D_ERROR, "\t- Maximum Write Data Block: %d\n",2 << (MMC_CSD_GET_WRITEBLLEN(Csd)-1)));\r | |
e8e95df4 | 114 | \r |
115 | if (!MMC_CSD_GET_FILEFORMATGRP(Csd)) {\r | |
6f711615 | 116 | Value = MMC_CSD_GET_FILEFORMAT (Csd);\r |
117 | if (Value == 0) DEBUG ((EFI_D_ERROR, "\t- Format (0): Hard disk-like file system with partition table\n"));\r | |
118 | else if (Value == 1) DEBUG ((EFI_D_ERROR, "\t- Format (1): DOS FAT (floppy-like) with boot sector only (no partition table)\n"));\r | |
119 | else if (Value == 2) DEBUG ((EFI_D_ERROR, "\t- Format (2): Universal File Format\n"));\r | |
120 | else DEBUG ((EFI_D_ERROR, "\t- Format (3): Others/Unknown\n"));\r | |
e8e95df4 | 121 | } else {\r |
6f711615 | 122 | DEBUG ((EFI_D_ERROR, "\t- Format: Reserved\n"));\r |
e8e95df4 | 123 | }\r |
1bfda055 | 124 | }\r |
125 | \r | |
e8e95df4 | 126 | VOID\r |
127 | PrintRCA (\r | |
128 | IN UINT32 Rca\r | |
129 | )\r | |
130 | {\r | |
6f711615 | 131 | DEBUG ((EFI_D_ERROR, "- PrintRCA: 0x%X\n", Rca));\r |
132 | DEBUG ((EFI_D_ERROR, "\t- Status: 0x%X\n", Rca & 0xFFFF));\r | |
133 | DEBUG ((EFI_D_ERROR, "\t- RCA: 0x%X\n", (Rca >> 16) & 0xFFFF));\r | |
1bfda055 | 134 | }\r |
135 | \r | |
e8e95df4 | 136 | VOID\r |
137 | PrintResponseR1 (\r | |
138 | IN UINT32 Response\r | |
139 | )\r | |
140 | {\r | |
6f711615 | 141 | DEBUG ((EFI_D_INFO, "Response: 0x%X\n", Response));\r |
142 | if (Response & MMC_R0_READY_FOR_DATA) {\r | |
143 | DEBUG ((EFI_D_INFO, "\t- READY_FOR_DATA\n"));\r | |
144 | }\r | |
145 | \r | |
146 | if (((Response >> 9) & 0xF) == 0) DEBUG ((EFI_D_INFO, "\t- State: Idle\n"));\r | |
147 | else if (((Response >> 9) & 0xF) == 1) DEBUG ((EFI_D_INFO, "\t- State: Ready\n"));\r | |
148 | else if (((Response >> 9) & 0xF) == 2) DEBUG ((EFI_D_INFO, "\t- State: Ident\n"));\r | |
149 | else if (((Response >> 9) & 0xF) == 3) DEBUG ((EFI_D_INFO, "\t- State: StandBy\n"));\r | |
150 | else if (((Response >> 9) & 0xF) == 4) DEBUG ((EFI_D_INFO, "\t- State: Tran\n"));\r | |
151 | else if (((Response >> 9) & 0xF) == 5) DEBUG ((EFI_D_INFO, "\t- State: Data\n"));\r | |
152 | else if (((Response >> 9) & 0xF) == 6) DEBUG ((EFI_D_INFO, "\t- State: Rcv\n"));\r | |
153 | else if (((Response >> 9) & 0xF) == 7) DEBUG ((EFI_D_INFO, "\t- State: Prg\n"));\r | |
154 | else if (((Response >> 9) & 0xF) == 8) DEBUG ((EFI_D_INFO, "\t- State: Dis\n"));\r | |
155 | else DEBUG ((EFI_D_INFO, "\t- State: Reserved\n"));\r | |
a1ab9143 | 156 | }\r |
157 | \r | |
158 | EFI_STATUS\r | |
159 | EFIAPI\r | |
160 | MmcGetCardStatus(\r | |
e8e95df4 | 161 | IN MMC_HOST_INSTANCE *MmcHostInstance\r |
162 | )\r | |
163 | {\r | |
164 | EFI_STATUS Status;\r | |
165 | UINT32 Response[4];\r | |
166 | UINTN CmdArg;\r | |
167 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
168 | \r | |
169 | Status = EFI_SUCCESS;\r | |
170 | MmcHost = MmcHostInstance->MmcHost;\r | |
171 | CmdArg = 0;\r | |
172 | \r | |
173 | if (MmcHost == NULL) {\r | |
174 | return EFI_INVALID_PARAMETER;\r | |
175 | }\r | |
176 | if(MmcHostInstance->State != MmcHwInitializationState){\r | |
177 | //Get the Status of the card.\r | |
178 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
16d88c2d | 179 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
6f711615 | 180 | if (EFI_ERROR (Status)) {\r |
181 | DEBUG ((EFI_D_ERROR, "MmcGetCardStatus(MMC_CMD13): Error and Status = %r\n", Status));\r | |
e8e95df4 | 182 | return Status;\r |
a1ab9143 | 183 | }\r |
184 | \r | |
e8e95df4 | 185 | //Read Response\r |
6f711615 | 186 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);\r |
187 | PrintResponseR1 (Response[0]);\r | |
e8e95df4 | 188 | }\r |
189 | \r | |
190 | return Status;\r | |
1bfda055 | 191 | }\r |
192 | \r | |
193 | EFI_STATUS\r | |
194 | EFIAPI\r | |
195 | MmcIdentificationMode (\r | |
e8e95df4 | 196 | IN MMC_HOST_INSTANCE *MmcHostInstance\r |
197 | )\r | |
198 | {\r | |
199 | EFI_STATUS Status;\r | |
200 | UINT32 Response[4];\r | |
201 | UINTN Timeout;\r | |
202 | UINTN CmdArg;\r | |
203 | BOOLEAN IsHCS;\r | |
204 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
e8e95df4 | 205 | \r |
206 | MmcHost = MmcHostInstance->MmcHost;\r | |
207 | CmdArg = 0;\r | |
208 | IsHCS = FALSE;\r | |
209 | \r | |
210 | if (MmcHost == NULL) {\r | |
211 | return EFI_INVALID_PARAMETER;\r | |
212 | }\r | |
213 | \r | |
214 | // We can get into this function if we restart the identification mode\r | |
215 | if (MmcHostInstance->State == MmcHwInitializationState) {\r | |
216 | // Initialize the MMC Host HW\r | |
217 | Status = MmcNotifyState (MmcHostInstance, MmcHwInitializationState);\r | |
6f711615 | 218 | if (EFI_ERROR (Status)) {\r |
219 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcHwInitializationState\n"));\r | |
e8e95df4 | 220 | return Status;\r |
1bfda055 | 221 | }\r |
fc78c48e | 222 | }\r |
223 | \r | |
224 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD0, 0);\r | |
6f711615 | 225 | if (EFI_ERROR (Status)) {\r |
226 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD0): Error\n"));\r | |
fc78c48e | 227 | return Status;\r |
e8e95df4 | 228 | }\r |
229 | \r | |
230 | Status = MmcNotifyState (MmcHostInstance, MmcIdleState);\r | |
6f711615 | 231 | if (EFI_ERROR (Status)) {\r |
232 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdleState\n"));\r | |
e8e95df4 | 233 | return Status;\r |
234 | }\r | |
235 | \r | |
236 | // Are we using SDIO ?\r | |
16d88c2d | 237 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD5, 0);\r |
e8e95df4 | 238 | if (Status == EFI_SUCCESS) {\r |
6f711615 | 239 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD5): Error - SDIO not supported.\n"));\r |
e8e95df4 | 240 | return EFI_UNSUPPORTED;\r |
241 | }\r | |
242 | \r | |
243 | // Check which kind of card we are using. Ver2.00 or later SD Memory Card (PL180 is SD v1.1)\r | |
244 | CmdArg = (0x0UL << 12 | BIT8 | 0xCEUL << 0);\r | |
16d88c2d | 245 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD8, CmdArg);\r |
e8e95df4 | 246 | if (Status == EFI_SUCCESS) {\r |
247 | DEBUG ((EFI_D_ERROR, "Card is SD2.0 => Supports high capacity\n"));\r | |
248 | IsHCS = TRUE;\r | |
6f711615 | 249 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R7, Response);\r |
250 | PrintResponseR1 (Response[0]);\r | |
e8e95df4 | 251 | //check if it is valid response\r |
252 | if(Response[0] != CmdArg){\r | |
253 | DEBUG ((EFI_D_ERROR, "The Card is not usable\n"));\r | |
254 | return EFI_UNSUPPORTED;\r | |
1bfda055 | 255 | }\r |
e8e95df4 | 256 | } else {\r |
257 | DEBUG ((EFI_D_ERROR, "Not a SD2.0 Card\n"));\r | |
258 | }\r | |
259 | \r | |
492e34a5 | 260 | // We need to wait for the MMC or SD card is ready => (gCardInfo.OCRData.PowerUp == 1)\r |
e8e95df4 | 261 | Timeout = MAX_RETRY_COUNT;\r |
262 | while (Timeout > 0) {\r | |
263 | // SD Card or MMC Card ? CMD55 indicates to the card that the next command is an application specific command\r | |
16d88c2d | 264 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD55, 0);\r |
1bfda055 | 265 | if (Status == EFI_SUCCESS) {\r |
e8e95df4 | 266 | DEBUG ((EFI_D_INFO, "Card should be SD\n"));\r |
267 | if (IsHCS) {\r | |
268 | MmcHostInstance->CardInfo.CardType = SD_CARD_2;\r | |
1bfda055 | 269 | } else {\r |
e8e95df4 | 270 | MmcHostInstance->CardInfo.CardType = SD_CARD;\r |
1bfda055 | 271 | }\r |
272 | \r | |
e8e95df4 | 273 | // Note: The first time CmdArg will be zero\r |
274 | CmdArg = ((UINTN *) &(MmcHostInstance->CardInfo.OCRData))[0];\r | |
275 | if (IsHCS) {\r | |
276 | CmdArg |= BIT30;\r | |
277 | }\r | |
16d88c2d | 278 | Status = MmcHost->SendCommand (MmcHost, MMC_ACMD41, CmdArg);\r |
6f711615 | 279 | if (!EFI_ERROR (Status)) {\r |
280 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR, Response);\r | |
e8e95df4 | 281 | ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];\r |
1bfda055 | 282 | }\r |
1bfda055 | 283 | } else {\r |
e8e95df4 | 284 | DEBUG ((EFI_D_INFO, "Card should be MMC\n"));\r |
285 | MmcHostInstance->CardInfo.CardType = MMC_CARD;\r | |
1bfda055 | 286 | \r |
16d88c2d | 287 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD1, 0x800000);\r |
6f711615 | 288 | if (!EFI_ERROR (Status)) {\r |
289 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR, Response);\r | |
e8e95df4 | 290 | ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];\r |
a1ab9143 | 291 | }\r |
1bfda055 | 292 | }\r |
1bfda055 | 293 | \r |
6f711615 | 294 | if (!EFI_ERROR (Status)) {\r |
492e34a5 | 295 | if (!MmcHostInstance->CardInfo.OCRData.PowerUp) {\r |
6f711615 | 296 | MicroSecondDelay (1);\r |
e8e95df4 | 297 | Timeout--;\r |
298 | } else {\r | |
299 | if ((MmcHostInstance->CardInfo.CardType == SD_CARD_2) && (MmcHostInstance->CardInfo.OCRData.AccessMode & BIT1)) {\r | |
300 | MmcHostInstance->CardInfo.CardType = SD_CARD_2_HIGH;\r | |
301 | DEBUG ((EFI_D_ERROR, "High capacity card.\n"));\r | |
302 | }\r | |
303 | break; // The MMC/SD card is ready. Continue the Identification Mode\r | |
304 | }\r | |
1bfda055 | 305 | } else {\r |
6f711615 | 306 | MicroSecondDelay (1);\r |
e8e95df4 | 307 | Timeout--;\r |
1bfda055 | 308 | }\r |
e8e95df4 | 309 | }\r |
310 | \r | |
311 | if (Timeout == 0) {\r | |
6f711615 | 312 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(): No Card\n"));\r |
e8e95df4 | 313 | return EFI_NO_MEDIA;\r |
314 | } else {\r | |
6f711615 | 315 | PrintOCR (Response[0]);\r |
e8e95df4 | 316 | }\r |
317 | \r | |
318 | Status = MmcNotifyState (MmcHostInstance, MmcReadyState);\r | |
6f711615 | 319 | if (EFI_ERROR (Status)) {\r |
320 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcReadyState\n"));\r | |
e8e95df4 | 321 | return Status;\r |
322 | }\r | |
323 | \r | |
16d88c2d | 324 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD2, 0);\r |
6f711615 | 325 | if (EFI_ERROR (Status)) {\r |
326 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD2): Error\n"));\r | |
e8e95df4 | 327 | return Status;\r |
328 | }\r | |
6f711615 | 329 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CID, Response);\r |
e8e95df4 | 330 | PrintCID(Response);\r |
331 | \r | |
332 | Status = MmcNotifyState (MmcHostInstance, MmcIdentificationState);\r | |
6f711615 | 333 | if (EFI_ERROR (Status)) {\r |
334 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdentificationState\n"));\r | |
e8e95df4 | 335 | return Status;\r |
336 | }\r | |
337 | \r | |
d8ad4736 | 338 | //\r |
339 | // Note, SD specifications say that "if the command execution causes a state change, it\r | |
340 | // will be visible to the host in the response to the next command"\r | |
341 | // The status returned for this CMD3 will be 2 - identification\r | |
342 | //\r | |
343 | CmdArg = 1;\r | |
16d88c2d | 344 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD3, CmdArg);\r |
6f711615 | 345 | if (EFI_ERROR (Status)) {\r |
346 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD3): Error\n"));\r | |
d8ad4736 | 347 | return Status;\r |
e8e95df4 | 348 | }\r |
349 | \r | |
6f711615 | 350 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_RCA, Response);\r |
351 | PrintRCA (Response[0]);\r | |
d8ad4736 | 352 | \r |
e8e95df4 | 353 | // For MMC card, RCA is assigned by CMD3 while CMD3 dumps the RCA for SD card\r |
354 | if (MmcHostInstance->CardInfo.CardType != MMC_CARD) {\r | |
355 | MmcHostInstance->CardInfo.RCA = Response[0] >> 16;\r | |
356 | } else {\r | |
357 | MmcHostInstance->CardInfo.RCA = CmdArg;\r | |
358 | }\r | |
359 | \r | |
360 | Status = MmcNotifyState (MmcHostInstance, MmcStandByState);\r | |
6f711615 | 361 | if (EFI_ERROR (Status)) {\r |
362 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcStandByState\n"));\r | |
e8e95df4 | 363 | return Status;\r |
364 | }\r | |
365 | \r | |
366 | return EFI_SUCCESS;\r | |
1bfda055 | 367 | }\r |
368 | \r | |
16d88c2d | 369 | EFI_STATUS InitializeMmcDevice (\r |
40842a5e | 370 | IN MMC_HOST_INSTANCE *MmcHostInstance\r |
371 | )\r | |
372 | {\r | |
373 | UINT32 Response[4];\r | |
374 | EFI_STATUS Status;\r | |
375 | UINTN CardSize, NumBlocks, BlockSize, CmdArg;\r | |
376 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
377 | UINTN BlockCount = 1;\r | |
378 | \r | |
379 | MmcHost = MmcHostInstance->MmcHost;\r | |
380 | \r | |
381 | MmcIdentificationMode (MmcHostInstance);\r | |
382 | \r | |
383 | //Send a command to get Card specific data\r | |
384 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
16d88c2d | 385 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD9, CmdArg);\r |
6f711615 | 386 | if (EFI_ERROR (Status)) {\r |
387 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD9): Error, Status=%r\n", Status));\r | |
40842a5e | 388 | return Status;\r |
389 | }\r | |
390 | //Read Response\r | |
6f711615 | 391 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CSD, Response);\r |
40842a5e | 392 | PrintCSD(Response);\r |
393 | \r | |
394 | if (MmcHostInstance->CardInfo.CardType == SD_CARD_2_HIGH) {\r | |
6f711615 | 395 | CardSize = HC_MMC_CSD_GET_DEVICESIZE (Response);\r |
40842a5e | 396 | NumBlocks = ((CardSize + 1) * 1024);\r |
397 | BlockSize = 1 << MMC_CSD_GET_READBLLEN(Response);\r | |
398 | } else {\r | |
6f711615 | 399 | CardSize = MMC_CSD_GET_DEVICESIZE (Response);\r |
400 | NumBlocks = (CardSize + 1) * (1 << (MMC_CSD_GET_DEVICESIZEMULT (Response) + 2));\r | |
40842a5e | 401 | BlockSize = 1 << MMC_CSD_GET_READBLLEN(Response);\r |
402 | }\r | |
403 | \r | |
404 | //For >=2G card, BlockSize may be 1K, but the transfer size is 512 bytes.\r | |
405 | if (BlockSize > 512) {\r | |
6f711615 | 406 | NumBlocks = MultU64x32 (NumBlocks, BlockSize/512);\r |
40842a5e | 407 | BlockSize = 512;\r |
408 | }\r | |
409 | \r | |
410 | MmcHostInstance->BlockIo.Media->LastBlock = (NumBlocks - 1);\r | |
411 | MmcHostInstance->BlockIo.Media->BlockSize = BlockSize;\r | |
16d88c2d | 412 | MmcHostInstance->BlockIo.Media->ReadOnly = MmcHost->IsReadOnly (MmcHost);\r |
40842a5e | 413 | MmcHostInstance->BlockIo.Media->MediaPresent = TRUE;\r |
414 | MmcHostInstance->BlockIo.Media->MediaId++;\r | |
415 | \r | |
416 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
16d88c2d | 417 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD7, CmdArg);\r |
6f711615 | 418 | if (EFI_ERROR (Status)) {\r |
419 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD7): Error and Status = %r\n", Status));\r | |
40842a5e | 420 | return Status;\r |
421 | }\r | |
422 | \r | |
423 | Status = MmcNotifyState (MmcHostInstance, MmcTransferState);\r | |
6f711615 | 424 | if (EFI_ERROR (Status)) {\r |
425 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcTransferState\n"));\r | |
40842a5e | 426 | return Status;\r |
427 | }\r | |
428 | \r | |
429 | // Set Block Length\r | |
16d88c2d | 430 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD16, MmcHostInstance->BlockIo.Media->BlockSize);\r |
6f711615 | 431 | if (EFI_ERROR (Status)) {\r |
432 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD16): Error MmcHostInstance->BlockIo.Media->BlockSize: %d and Error = %r\n", MmcHostInstance->BlockIo.Media->BlockSize, Status));\r | |
40842a5e | 433 | return Status;\r |
434 | }\r | |
435 | \r | |
436 | // Block Count (not used). Could return an error for SD card\r | |
437 | if (MmcHostInstance->CardInfo.CardType == MMC_CARD) {\r | |
16d88c2d | 438 | MmcHost->SendCommand (MmcHost, MMC_CMD23, BlockCount);\r |
40842a5e | 439 | }\r |
440 | \r | |
441 | return EFI_SUCCESS;\r | |
442 | }\r | |
443 | \r | |
1bfda055 | 444 | EFI_STATUS\r |
445 | EFIAPI\r | |
446 | MmcReset (\r | |
447 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
448 | IN BOOLEAN ExtendedVerification\r | |
e8e95df4 | 449 | )\r |
450 | {\r | |
3de99375 | 451 | MMC_HOST_INSTANCE *MmcHostInstance;\r |
452 | \r | |
6f711615 | 453 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS (This);\r |
3de99375 | 454 | \r |
455 | if (MmcHostInstance->MmcHost == NULL) {\r | |
456 | // Nothing to do\r | |
457 | return EFI_SUCCESS;\r | |
458 | }\r | |
459 | \r | |
460 | // If a card is not present then clear all media settings\r | |
16d88c2d | 461 | if (!MmcHostInstance->MmcHost->IsCardPresent (MmcHostInstance->MmcHost)) {\r |
3de99375 | 462 | MmcHostInstance->BlockIo.Media->MediaPresent = FALSE;\r |
463 | MmcHostInstance->BlockIo.Media->LastBlock = 0;\r | |
464 | MmcHostInstance->BlockIo.Media->BlockSize = 512; // Should be zero but there is a bug in DiskIo\r | |
465 | MmcHostInstance->BlockIo.Media->ReadOnly = FALSE;\r | |
466 | \r | |
467 | // Indicate that the driver requires initialization\r | |
468 | MmcHostInstance->State = MmcHwInitializationState;\r | |
469 | \r | |
470 | return EFI_SUCCESS;\r | |
471 | }\r | |
472 | \r | |
e8e95df4 | 473 | // Implement me. Either send a CMD0 (could not work for some MMC host) or just turn off/turn\r |
474 | // on power and restart Identification mode\r | |
475 | return EFI_SUCCESS;\r | |
1bfda055 | 476 | }\r |
477 | \r | |
478 | EFI_STATUS\r | |
479 | MmcDetectCard (\r | |
480 | EFI_MMC_HOST_PROTOCOL *MmcHost\r | |
481 | )\r | |
482 | {\r | |
16d88c2d | 483 | if (!MmcHost->IsCardPresent (MmcHost)) {\r |
e8e95df4 | 484 | return EFI_NO_MEDIA;\r |
485 | } else {\r | |
486 | return EFI_SUCCESS;\r | |
487 | }\r | |
1bfda055 | 488 | }\r |
489 | \r | |
490 | #define MMCI0_BLOCKLEN 512\r | |
491 | #define MMCI0_TIMEOUT 10000\r | |
492 | \r | |
e8e95df4 | 493 | EFI_STATUS\r |
494 | MmcIoBlocks (\r | |
1bfda055 | 495 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
496 | IN UINTN Transfer,\r | |
497 | IN UINT32 MediaId,\r | |
498 | IN EFI_LBA Lba,\r | |
499 | IN UINTN BufferSize,\r | |
500 | OUT VOID *Buffer\r | |
e8e95df4 | 501 | )\r |
502 | {\r | |
503 | UINT32 Response[4];\r | |
504 | EFI_STATUS Status;\r | |
40842a5e | 505 | UINTN CmdArg;\r |
969ece79 | 506 | INTN Timeout;\r |
e8e95df4 | 507 | UINTN Cmd;\r |
508 | MMC_HOST_INSTANCE *MmcHostInstance;\r | |
509 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
510 | UINTN BytesRemainingToBeTransfered;\r | |
511 | UINTN BlockCount = 1;\r | |
512 | \r | |
6f711615 | 513 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS (This);\r |
514 | ASSERT (MmcHostInstance != 0);\r | |
e8e95df4 | 515 | MmcHost = MmcHostInstance->MmcHost;\r |
6f711615 | 516 | ASSERT (MmcHost);\r |
e8e95df4 | 517 | \r |
5ab765a7 | 518 | if (This->Media->MediaId != MediaId) {\r |
519 | return EFI_MEDIA_CHANGED;\r | |
520 | }\r | |
521 | \r | |
969ece79 | 522 | if ((MmcHost == 0)|| (Buffer == NULL)) {\r |
e8e95df4 | 523 | return EFI_INVALID_PARAMETER;\r |
524 | }\r | |
525 | \r | |
526 | // Check if a Card is Present\r | |
3de99375 | 527 | if (!MmcHostInstance->BlockIo.Media->MediaPresent) {\r |
e8e95df4 | 528 | return EFI_NO_MEDIA;\r |
529 | }\r | |
530 | \r | |
969ece79 | 531 | // All blocks must be within the device\r |
532 | if ((Lba + (BufferSize / This->Media->BlockSize)) > (This->Media->LastBlock + 1)){\r | |
969ece79 | 533 | return EFI_INVALID_PARAMETER;\r |
e8e95df4 | 534 | }\r |
535 | \r | |
5ab765a7 | 536 | if((Transfer == MMC_IOBLOCKS_WRITE) && (This->Media->ReadOnly == TRUE)) {\r |
537 | return EFI_WRITE_PROTECTED;\r | |
969ece79 | 538 | }\r |
539 | \r | |
5ab765a7 | 540 | // Reading 0 Byte is valid\r |
541 | if (BufferSize == 0) {\r | |
542 | return EFI_SUCCESS;\r | |
969ece79 | 543 | }\r |
544 | \r | |
5ab765a7 | 545 | // The buffer size must be an exact multiple of the block size\r |
546 | if ((BufferSize % This->Media->BlockSize) != 0) {\r | |
547 | return EFI_BAD_BUFFER_SIZE;\r | |
548 | }\r | |
549 | \r | |
550 | // Check the alignment\r | |
551 | if ((This->Media->IoAlign > 2) && (((UINTN)Buffer & (This->Media->IoAlign - 1)) != 0)) {\r | |
552 | return EFI_INVALID_PARAMETER;\r | |
e8e95df4 | 553 | }\r |
554 | \r | |
555 | BytesRemainingToBeTransfered = BufferSize;\r | |
556 | while (BytesRemainingToBeTransfered > 0) {\r | |
557 | \r | |
558 | // Check if the Card is in Ready status\r | |
559 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
560 | Response[0] = 0;\r | |
561 | Timeout = 20;\r | |
260675b0 | 562 | while( (!(Response[0] & MMC_R0_READY_FOR_DATA))\r |
6f711615 | 563 | && (MMC_R0_CURRENTSTATE (Response) != MMC_R0_STATE_TRAN)\r |
260675b0 | 564 | && Timeout--) {\r |
16d88c2d | 565 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
6f711615 | 566 | if (!EFI_ERROR (Status)) {\r |
567 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);\r | |
e8e95df4 | 568 | }\r |
1bfda055 | 569 | }\r |
570 | \r | |
e8e95df4 | 571 | if (0 == Timeout) {\r |
6f711615 | 572 | DEBUG ((EFI_D_ERROR, "The Card is busy\n"));\r |
e8e95df4 | 573 | return EFI_NOT_READY;\r |
b9d5fe03 | 574 | }\r |
575 | \r | |
e8e95df4 | 576 | //Set command argument based on the card access mode (Byte mode or Block mode)\r |
577 | if (MmcHostInstance->CardInfo.OCRData.AccessMode & BIT1) {\r | |
578 | CmdArg = Lba;\r | |
579 | } else {\r | |
580 | CmdArg = Lba * This->Media->BlockSize;\r | |
581 | }\r | |
1bfda055 | 582 | \r |
e8e95df4 | 583 | if (Transfer == MMC_IOBLOCKS_READ) {\r |
1bfda055 | 584 | #ifndef USE_STREAM\r |
e8e95df4 | 585 | // Read a single block\r |
586 | Cmd = MMC_CMD17;\r | |
1bfda055 | 587 | #else\r |
e8e95df4 | 588 | //TODO: Should we support read stream (MMC_CMD11)\r |
1bfda055 | 589 | #endif\r |
e8e95df4 | 590 | } else {\r |
1bfda055 | 591 | #ifndef USE_STREAM\r |
e8e95df4 | 592 | // Write a single block\r |
593 | Cmd = MMC_CMD24;\r | |
1bfda055 | 594 | #else\r |
e8e95df4 | 595 | //TODO: Should we support write stream (MMC_CMD20)\r |
1bfda055 | 596 | #endif\r |
e8e95df4 | 597 | }\r |
16d88c2d | 598 | Status = MmcHost->SendCommand (MmcHost, Cmd, CmdArg);\r |
6f711615 | 599 | if (EFI_ERROR (Status)) {\r |
600 | DEBUG ((EFI_D_ERROR, "MmcIoBlocks(MMC_CMD%d): Error %r\n", Cmd, Status));\r | |
e8e95df4 | 601 | return Status;\r |
602 | }\r | |
1bfda055 | 603 | \r |
e8e95df4 | 604 | if (Transfer == MMC_IOBLOCKS_READ) {\r |
1bfda055 | 605 | #ifndef USE_STREAM\r |
e8e95df4 | 606 | // Read one block of Data\r |
6f711615 | 607 | Status = MmcHost->ReadBlockData (MmcHost, Lba, This->Media->BlockSize, Buffer);\r |
608 | if (EFI_ERROR (Status)) {\r | |
609 | DEBUG ((EFI_D_BLKIO, "MmcIoBlocks(): Error Read Block Data and Status = %r\n", Status));\r | |
e8e95df4 | 610 | return Status;\r |
611 | }\r | |
1bfda055 | 612 | #else\r |
260675b0 | 613 | //TODO: Read a stream\r |
6f711615 | 614 | ASSERT (0);\r |
1bfda055 | 615 | #endif\r |
e8e95df4 | 616 | Status = MmcNotifyState (MmcHostInstance, MmcProgrammingState);\r |
6f711615 | 617 | if (EFI_ERROR (Status)) {\r |
618 | DEBUG ((EFI_D_ERROR, "MmcIoBlocks() : Error MmcProgrammingState\n"));\r | |
e8e95df4 | 619 | return Status;\r |
620 | }\r | |
621 | } else {\r | |
1bfda055 | 622 | #ifndef USE_STREAM\r |
e8e95df4 | 623 | // Write one block of Data\r |
6f711615 | 624 | Status = MmcHost->WriteBlockData (MmcHost, Lba, This->Media->BlockSize, Buffer);\r |
625 | if (EFI_ERROR (Status)) {\r | |
626 | DEBUG ((EFI_D_BLKIO, "MmcIoBlocks(): Error Write Block Data and Status = %r\n", Status));\r | |
e8e95df4 | 627 | return Status;\r |
628 | }\r | |
1bfda055 | 629 | #else\r |
260675b0 | 630 | //TODO: Write a stream\r |
6f711615 | 631 | ASSERT (0);\r |
1bfda055 | 632 | #endif\r |
e8e95df4 | 633 | }\r |
1bfda055 | 634 | \r |
e8e95df4 | 635 | // Command 12 - Stop transmission (ends read)\r |
16d88c2d | 636 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD12, 0);\r |
6f711615 | 637 | if (!EFI_ERROR (Status)) {\r |
638 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1b, Response);\r | |
e8e95df4 | 639 | }\r |
1bfda055 | 640 | \r |
e8e95df4 | 641 | // Command 13 - Read status and wait for programming to complete (return to tran)\r |
642 | Timeout = MMCI0_TIMEOUT;\r | |
643 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
644 | Response[0] = 0;\r | |
260675b0 | 645 | while( (!(Response[0] & MMC_R0_READY_FOR_DATA))\r |
6f711615 | 646 | && (MMC_R0_CURRENTSTATE (Response) != MMC_R0_STATE_TRAN)\r |
260675b0 | 647 | && Timeout--) {\r |
16d88c2d | 648 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
6f711615 | 649 | if (!EFI_ERROR (Status)) {\r |
699e34ad | 650 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);\r |
651 | if ((Response[0] & MMC_R0_READY_FOR_DATA)) {\r | |
652 | break; // Prevents delay once finished\r | |
653 | }\r | |
e8e95df4 | 654 | }\r |
6f711615 | 655 | NanoSecondDelay (100);\r |
e8e95df4 | 656 | }\r |
1bfda055 | 657 | \r |
e8e95df4 | 658 | Status = MmcNotifyState (MmcHostInstance, MmcTransferState);\r |
6f711615 | 659 | if (EFI_ERROR (Status)) {\r |
660 | DEBUG ((EFI_D_ERROR, "MmcIoBlocks() : Error MmcTransferState\n"));\r | |
e8e95df4 | 661 | return Status;\r |
1bfda055 | 662 | }\r |
663 | \r | |
e8e95df4 | 664 | BytesRemainingToBeTransfered -= This->Media->BlockSize;\r |
665 | Lba += BlockCount;\r | |
666 | Buffer = (UINT8 *)Buffer + This->Media->BlockSize;\r | |
667 | }\r | |
668 | \r | |
669 | return EFI_SUCCESS;\r | |
1bfda055 | 670 | }\r |
671 | \r | |
672 | EFI_STATUS\r | |
673 | EFIAPI\r | |
674 | MmcReadBlocks (\r | |
675 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
676 | IN UINT32 MediaId,\r | |
677 | IN EFI_LBA Lba,\r | |
678 | IN UINTN BufferSize,\r | |
679 | OUT VOID *Buffer\r | |
e8e95df4 | 680 | )\r |
681 | {\r | |
682 | return MmcIoBlocks (This, MMC_IOBLOCKS_READ, MediaId, Lba, BufferSize, Buffer);\r | |
1bfda055 | 683 | }\r |
684 | \r | |
685 | EFI_STATUS\r | |
686 | EFIAPI\r | |
687 | MmcWriteBlocks (\r | |
688 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
689 | IN UINT32 MediaId,\r | |
690 | IN EFI_LBA Lba,\r | |
691 | IN UINTN BufferSize,\r | |
692 | IN VOID *Buffer\r | |
e8e95df4 | 693 | )\r |
694 | {\r | |
695 | return MmcIoBlocks (This, MMC_IOBLOCKS_WRITE, MediaId, Lba, BufferSize, Buffer);\r | |
1bfda055 | 696 | }\r |
697 | \r | |
698 | EFI_STATUS\r | |
699 | EFIAPI\r | |
700 | MmcFlushBlocks (\r | |
701 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
e8e95df4 | 702 | )\r |
703 | {\r | |
704 | return EFI_SUCCESS;\r | |
1bfda055 | 705 | }\r |