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1bfda055 | 1 | /** @file\r |
2 | *\r | |
7ff04597 | 3 | * Copyright (c) 2011-2020, ARM Limited. All rights reserved.\r |
1bfda055 | 4 | *\r |
878b807a | 5 | * SPDX-License-Identifier: BSD-2-Clause-Patent\r |
1bfda055 | 6 | *\r |
7 | **/\r | |
8 | \r | |
1bfda055 | 9 | #include <Library/BaseMemoryLib.h>\r |
1bfda055 | 10 | \r |
11 | #include "Mmc.h"\r | |
12 | \r | |
1bfda055 | 13 | EFI_STATUS\r |
14 | MmcNotifyState (\r | |
e7108d0e MK |
15 | IN MMC_HOST_INSTANCE *MmcHostInstance,\r |
16 | IN MMC_STATE State\r | |
e8e95df4 | 17 | )\r |
18 | {\r | |
19 | MmcHostInstance->State = State;\r | |
16d88c2d | 20 | return MmcHostInstance->MmcHost->NotifyState (MmcHostInstance->MmcHost, State);\r |
1bfda055 | 21 | }\r |
22 | \r | |
a1ab9143 | 23 | EFI_STATUS\r |
24 | EFIAPI\r | |
842b02d8 | 25 | MmcGetCardStatus (\r |
e7108d0e | 26 | IN MMC_HOST_INSTANCE *MmcHostInstance\r |
e8e95df4 | 27 | )\r |
28 | {\r | |
e7108d0e MK |
29 | EFI_STATUS Status;\r |
30 | UINT32 Response[4];\r | |
31 | UINTN CmdArg;\r | |
32 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
e8e95df4 | 33 | \r |
e7108d0e | 34 | Status = EFI_SUCCESS;\r |
e8e95df4 | 35 | MmcHost = MmcHostInstance->MmcHost;\r |
e7108d0e | 36 | CmdArg = 0;\r |
e8e95df4 | 37 | \r |
38 | if (MmcHost == NULL) {\r | |
39 | return EFI_INVALID_PARAMETER;\r | |
40 | }\r | |
e7108d0e | 41 | \r |
842b02d8 | 42 | if (MmcHostInstance->State != MmcHwInitializationState) {\r |
e7108d0e | 43 | // Get the Status of the card.\r |
e8e95df4 | 44 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r |
16d88c2d | 45 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
6f711615 | 46 | if (EFI_ERROR (Status)) {\r |
a1878955 | 47 | DEBUG ((DEBUG_ERROR, "MmcGetCardStatus(MMC_CMD13): Error and Status = %r\n", Status));\r |
e8e95df4 | 48 | return Status;\r |
a1ab9143 | 49 | }\r |
50 | \r | |
e7108d0e | 51 | // Read Response\r |
6f711615 | 52 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);\r |
53 | PrintResponseR1 (Response[0]);\r | |
e8e95df4 | 54 | }\r |
55 | \r | |
56 | return Status;\r | |
1bfda055 | 57 | }\r |
58 | \r | |
1bfda055 | 59 | EFI_STATUS\r |
60 | EFIAPI\r | |
61 | MmcReset (\r | |
e7108d0e MK |
62 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
63 | IN BOOLEAN ExtendedVerification\r | |
e8e95df4 | 64 | )\r |
65 | {\r | |
e7108d0e | 66 | MMC_HOST_INSTANCE *MmcHostInstance;\r |
3de99375 | 67 | \r |
6f711615 | 68 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS (This);\r |
3de99375 | 69 | \r |
70 | if (MmcHostInstance->MmcHost == NULL) {\r | |
71 | // Nothing to do\r | |
72 | return EFI_SUCCESS;\r | |
73 | }\r | |
74 | \r | |
75 | // If a card is not present then clear all media settings\r | |
16d88c2d | 76 | if (!MmcHostInstance->MmcHost->IsCardPresent (MmcHostInstance->MmcHost)) {\r |
3de99375 | 77 | MmcHostInstance->BlockIo.Media->MediaPresent = FALSE;\r |
78 | MmcHostInstance->BlockIo.Media->LastBlock = 0;\r | |
79 | MmcHostInstance->BlockIo.Media->BlockSize = 512; // Should be zero but there is a bug in DiskIo\r | |
80 | MmcHostInstance->BlockIo.Media->ReadOnly = FALSE;\r | |
81 | \r | |
82 | // Indicate that the driver requires initialization\r | |
83 | MmcHostInstance->State = MmcHwInitializationState;\r | |
84 | \r | |
85 | return EFI_SUCCESS;\r | |
86 | }\r | |
87 | \r | |
e8e95df4 | 88 | // Implement me. Either send a CMD0 (could not work for some MMC host) or just turn off/turn\r |
89 | // on power and restart Identification mode\r | |
90 | return EFI_SUCCESS;\r | |
1bfda055 | 91 | }\r |
92 | \r | |
93 | EFI_STATUS\r | |
94 | MmcDetectCard (\r | |
e7108d0e | 95 | EFI_MMC_HOST_PROTOCOL *MmcHost\r |
1bfda055 | 96 | )\r |
97 | {\r | |
16d88c2d | 98 | if (!MmcHost->IsCardPresent (MmcHost)) {\r |
e8e95df4 | 99 | return EFI_NO_MEDIA;\r |
100 | } else {\r | |
101 | return EFI_SUCCESS;\r | |
102 | }\r | |
1bfda055 | 103 | }\r |
104 | \r | |
9532373b OM |
105 | EFI_STATUS\r |
106 | MmcStopTransmission (\r | |
e7108d0e | 107 | EFI_MMC_HOST_PROTOCOL *MmcHost\r |
9532373b OM |
108 | )\r |
109 | {\r | |
e7108d0e MK |
110 | EFI_STATUS Status;\r |
111 | UINT32 Response[4];\r | |
112 | \r | |
9532373b OM |
113 | // Command 12 - Stop transmission (ends read or write)\r |
114 | // Normally only needed for streaming transfers or after error.\r | |
115 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD12, 0);\r | |
116 | if (!EFI_ERROR (Status)) {\r | |
117 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1b, Response);\r | |
118 | }\r | |
e7108d0e | 119 | \r |
9532373b OM |
120 | return Status;\r |
121 | }\r | |
122 | \r | |
e7108d0e MK |
123 | #define MMCI0_BLOCKLEN 512\r |
124 | #define MMCI0_TIMEOUT 10000\r | |
1bfda055 | 125 | \r |
339c6e90 HZ |
126 | STATIC\r |
127 | EFI_STATUS\r | |
128 | MmcTransferBlock (\r | |
e7108d0e MK |
129 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
130 | IN UINTN Cmd,\r | |
131 | IN UINTN Transfer,\r | |
132 | IN UINT32 MediaId,\r | |
133 | IN EFI_LBA Lba,\r | |
134 | IN UINTN BufferSize,\r | |
135 | OUT VOID *Buffer\r | |
339c6e90 HZ |
136 | )\r |
137 | {\r | |
e7108d0e MK |
138 | EFI_STATUS Status;\r |
139 | UINTN CmdArg;\r | |
140 | INTN Timeout;\r | |
141 | UINT32 Response[4];\r | |
142 | MMC_HOST_INSTANCE *MmcHostInstance;\r | |
143 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
339c6e90 HZ |
144 | \r |
145 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS (This);\r | |
e7108d0e | 146 | MmcHost = MmcHostInstance->MmcHost;\r |
339c6e90 | 147 | \r |
b566259c | 148 | if (MmcHostInstance->CardInfo.CardType != EMMC_CARD) {\r |
e7108d0e MK |
149 | // Set command argument based on the card capacity\r |
150 | // if 0 : SDSC card\r | |
151 | // if 1 : SDXC/SDHC\r | |
b566259c MA |
152 | if (MmcHostInstance->CardInfo.OCRData.AccessMode & SD_CARD_CAPACITY) {\r |
153 | CmdArg = Lba;\r | |
154 | } else {\r | |
7ff04597 | 155 | CmdArg = MultU64x32 (Lba, This->Media->BlockSize);\r |
b566259c | 156 | }\r |
339c6e90 | 157 | } else {\r |
e7108d0e | 158 | // Set command argument based on the card access mode (Byte mode or Block mode)\r |
b566259c | 159 | if ((MmcHostInstance->CardInfo.OCRData.AccessMode & MMC_OCR_ACCESS_MASK) ==\r |
e7108d0e MK |
160 | MMC_OCR_ACCESS_SECTOR)\r |
161 | {\r | |
b566259c MA |
162 | CmdArg = Lba;\r |
163 | } else {\r | |
7ff04597 | 164 | CmdArg = MultU64x32 (Lba, This->Media->BlockSize);\r |
b566259c | 165 | }\r |
339c6e90 HZ |
166 | }\r |
167 | \r | |
168 | Status = MmcHost->SendCommand (MmcHost, Cmd, CmdArg);\r | |
169 | if (EFI_ERROR (Status)) {\r | |
a1878955 | 170 | DEBUG ((DEBUG_ERROR, "%a(MMC_CMD%d): Error %r\n", __func__, Cmd, Status));\r |
339c6e90 HZ |
171 | return Status;\r |
172 | }\r | |
173 | \r | |
174 | if (Transfer == MMC_IOBLOCKS_READ) {\r | |
175 | // Read Data\r | |
176 | Status = MmcHost->ReadBlockData (MmcHost, Lba, BufferSize, Buffer);\r | |
177 | if (EFI_ERROR (Status)) {\r | |
a1878955 | 178 | DEBUG ((DEBUG_BLKIO, "%a(): Error Read Block Data and Status = %r\n", __func__, Status));\r |
339c6e90 HZ |
179 | MmcStopTransmission (MmcHost);\r |
180 | return Status;\r | |
181 | }\r | |
e7108d0e | 182 | \r |
339c6e90 HZ |
183 | Status = MmcNotifyState (MmcHostInstance, MmcProgrammingState);\r |
184 | if (EFI_ERROR (Status)) {\r | |
a1878955 | 185 | DEBUG ((DEBUG_ERROR, "%a() : Error MmcProgrammingState\n", __func__));\r |
339c6e90 HZ |
186 | return Status;\r |
187 | }\r | |
188 | } else {\r | |
189 | // Write Data\r | |
190 | Status = MmcHost->WriteBlockData (MmcHost, Lba, BufferSize, Buffer);\r | |
191 | if (EFI_ERROR (Status)) {\r | |
a1878955 | 192 | DEBUG ((DEBUG_BLKIO, "%a(): Error Write Block Data and Status = %r\n", __func__, Status));\r |
339c6e90 HZ |
193 | MmcStopTransmission (MmcHost);\r |
194 | return Status;\r | |
195 | }\r | |
196 | }\r | |
197 | \r | |
198 | // Command 13 - Read status and wait for programming to complete (return to tran)\r | |
e7108d0e MK |
199 | Timeout = MMCI0_TIMEOUT;\r |
200 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
339c6e90 | 201 | Response[0] = 0;\r |
e7108d0e | 202 | while ( !(Response[0] & MMC_R0_READY_FOR_DATA)\r |
339c6e90 | 203 | && (MMC_R0_CURRENTSTATE (Response) != MMC_R0_STATE_TRAN)\r |
e7108d0e MK |
204 | && Timeout--)\r |
205 | {\r | |
339c6e90 HZ |
206 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
207 | if (!EFI_ERROR (Status)) {\r | |
208 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);\r | |
209 | if (Response[0] & MMC_R0_READY_FOR_DATA) {\r | |
210 | break; // Prevents delay once finished\r | |
211 | }\r | |
212 | }\r | |
213 | }\r | |
214 | \r | |
215 | if (BufferSize > This->Media->BlockSize) {\r | |
216 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD12, 0);\r | |
217 | if (EFI_ERROR (Status)) {\r | |
a1878955 | 218 | DEBUG ((DEBUG_BLKIO, "%a(): Error and Status:%r\n", __func__, Status));\r |
339c6e90 | 219 | }\r |
e7108d0e | 220 | \r |
1cc0f69b | 221 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1b, Response);\r |
339c6e90 HZ |
222 | }\r |
223 | \r | |
224 | Status = MmcNotifyState (MmcHostInstance, MmcTransferState);\r | |
225 | if (EFI_ERROR (Status)) {\r | |
a1878955 | 226 | DEBUG ((DEBUG_ERROR, "MmcIoBlocks() : Error MmcTransferState\n"));\r |
339c6e90 HZ |
227 | return Status;\r |
228 | }\r | |
e7108d0e | 229 | \r |
339c6e90 HZ |
230 | return Status;\r |
231 | }\r | |
232 | \r | |
e8e95df4 | 233 | EFI_STATUS\r |
234 | MmcIoBlocks (\r | |
e7108d0e MK |
235 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
236 | IN UINTN Transfer,\r | |
237 | IN UINT32 MediaId,\r | |
238 | IN EFI_LBA Lba,\r | |
239 | IN UINTN BufferSize,\r | |
240 | OUT VOID *Buffer\r | |
e8e95df4 | 241 | )\r |
242 | {\r | |
e7108d0e MK |
243 | UINT32 Response[4];\r |
244 | EFI_STATUS Status;\r | |
245 | UINTN CmdArg;\r | |
246 | INTN Timeout;\r | |
247 | UINTN Cmd;\r | |
248 | MMC_HOST_INSTANCE *MmcHostInstance;\r | |
249 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
250 | UINTN BytesRemainingToBeTransfered;\r | |
251 | UINTN BlockCount;\r | |
252 | UINTN ConsumeSize;\r | |
253 | UINT32 MaxBlock;\r | |
254 | UINTN RemainingBlock;\r | |
255 | \r | |
256 | BlockCount = 1;\r | |
6f711615 | 257 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS (This);\r |
842b02d8 | 258 | ASSERT (MmcHostInstance != NULL);\r |
e8e95df4 | 259 | MmcHost = MmcHostInstance->MmcHost;\r |
6f711615 | 260 | ASSERT (MmcHost);\r |
e8e95df4 | 261 | \r |
5ab765a7 | 262 | if (This->Media->MediaId != MediaId) {\r |
263 | return EFI_MEDIA_CHANGED;\r | |
264 | }\r | |
265 | \r | |
842b02d8 | 266 | if ((MmcHost == NULL) || (Buffer == NULL)) {\r |
e8e95df4 | 267 | return EFI_INVALID_PARAMETER;\r |
268 | }\r | |
269 | \r | |
270 | // Check if a Card is Present\r | |
3de99375 | 271 | if (!MmcHostInstance->BlockIo.Media->MediaPresent) {\r |
e8e95df4 | 272 | return EFI_NO_MEDIA;\r |
273 | }\r | |
274 | \r | |
567bc4b4 GJ |
275 | // Reading 0 Byte is valid\r |
276 | if (BufferSize == 0) {\r | |
277 | return EFI_SUCCESS;\r | |
278 | }\r | |
279 | \r | |
280 | // The buffer size must be an exact multiple of the block size\r | |
281 | if ((BufferSize % This->Media->BlockSize) != 0) {\r | |
282 | return EFI_BAD_BUFFER_SIZE;\r | |
283 | }\r | |
284 | \r | |
e7108d0e | 285 | if (MMC_HOST_HAS_ISMULTIBLOCK (MmcHost) && MmcHost->IsMultiBlock (MmcHost)) {\r |
567bc4b4 | 286 | BlockCount = BufferSize / This->Media->BlockSize;\r |
339c6e90 HZ |
287 | }\r |
288 | \r | |
969ece79 | 289 | // All blocks must be within the device\r |
842b02d8 | 290 | if ((Lba + (BufferSize / This->Media->BlockSize)) > (This->Media->LastBlock + 1)) {\r |
969ece79 | 291 | return EFI_INVALID_PARAMETER;\r |
e8e95df4 | 292 | }\r |
293 | \r | |
842b02d8 | 294 | if ((Transfer == MMC_IOBLOCKS_WRITE) && (This->Media->ReadOnly == TRUE)) {\r |
5ab765a7 | 295 | return EFI_WRITE_PROTECTED;\r |
969ece79 | 296 | }\r |
297 | \r | |
5ab765a7 | 298 | // Check the alignment\r |
299 | if ((This->Media->IoAlign > 2) && (((UINTN)Buffer & (This->Media->IoAlign - 1)) != 0)) {\r | |
300 | return EFI_INVALID_PARAMETER;\r | |
e8e95df4 | 301 | }\r |
302 | \r | |
567bc4b4 | 303 | // Max block number in single cmd is 65535 blocks.\r |
e7108d0e MK |
304 | MaxBlock = 0xFFFF;\r |
305 | RemainingBlock = BlockCount;\r | |
e8e95df4 | 306 | BytesRemainingToBeTransfered = BufferSize;\r |
307 | while (BytesRemainingToBeTransfered > 0) {\r | |
567bc4b4 GJ |
308 | if (RemainingBlock <= MaxBlock) {\r |
309 | BlockCount = RemainingBlock;\r | |
310 | } else {\r | |
311 | BlockCount = MaxBlock;\r | |
312 | }\r | |
313 | \r | |
e8e95df4 | 314 | // Check if the Card is in Ready status\r |
e7108d0e | 315 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r |
e8e95df4 | 316 | Response[0] = 0;\r |
e7108d0e MK |
317 | Timeout = 20;\r |
318 | while ( (!(Response[0] & MMC_R0_READY_FOR_DATA))\r | |
6f711615 | 319 | && (MMC_R0_CURRENTSTATE (Response) != MMC_R0_STATE_TRAN)\r |
e7108d0e MK |
320 | && Timeout--)\r |
321 | {\r | |
16d88c2d | 322 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
6f711615 | 323 | if (!EFI_ERROR (Status)) {\r |
324 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);\r | |
e8e95df4 | 325 | }\r |
1bfda055 | 326 | }\r |
327 | \r | |
e8e95df4 | 328 | if (0 == Timeout) {\r |
a1878955 | 329 | DEBUG ((DEBUG_ERROR, "The Card is busy\n"));\r |
e8e95df4 | 330 | return EFI_NOT_READY;\r |
b9d5fe03 | 331 | }\r |
332 | \r | |
e8e95df4 | 333 | if (Transfer == MMC_IOBLOCKS_READ) {\r |
339c6e90 HZ |
334 | if (BlockCount == 1) {\r |
335 | // Read a single block\r | |
336 | Cmd = MMC_CMD17;\r | |
337 | } else {\r | |
e7108d0e MK |
338 | // Read multiple blocks\r |
339 | Cmd = MMC_CMD18;\r | |
e8e95df4 | 340 | }\r |
341 | } else {\r | |
339c6e90 HZ |
342 | if (BlockCount == 1) {\r |
343 | // Write a single block\r | |
344 | Cmd = MMC_CMD24;\r | |
345 | } else {\r | |
e7108d0e MK |
346 | // Write multiple blocks\r |
347 | Cmd = MMC_CMD25;\r | |
e8e95df4 | 348 | }\r |
e8e95df4 | 349 | }\r |
1bfda055 | 350 | \r |
339c6e90 HZ |
351 | ConsumeSize = BlockCount * This->Media->BlockSize;\r |
352 | if (BytesRemainingToBeTransfered < ConsumeSize) {\r | |
353 | ConsumeSize = BytesRemainingToBeTransfered;\r | |
e8e95df4 | 354 | }\r |
e7108d0e | 355 | \r |
339c6e90 | 356 | Status = MmcTransferBlock (This, Cmd, Transfer, MediaId, Lba, ConsumeSize, Buffer);\r |
6f711615 | 357 | if (EFI_ERROR (Status)) {\r |
a1878955 | 358 | DEBUG ((DEBUG_ERROR, "%a(): Failed to transfer block and Status:%r\n", __func__, Status));\r |
1bfda055 | 359 | }\r |
360 | \r | |
e7108d0e | 361 | RemainingBlock -= BlockCount;\r |
339c6e90 HZ |
362 | BytesRemainingToBeTransfered -= ConsumeSize;\r |
363 | if (BytesRemainingToBeTransfered > 0) {\r | |
e7108d0e | 364 | Lba += BlockCount;\r |
339c6e90 HZ |
365 | Buffer = (UINT8 *)Buffer + ConsumeSize;\r |
366 | }\r | |
e8e95df4 | 367 | }\r |
368 | \r | |
369 | return EFI_SUCCESS;\r | |
1bfda055 | 370 | }\r |
371 | \r | |
372 | EFI_STATUS\r | |
373 | EFIAPI\r | |
374 | MmcReadBlocks (\r | |
e7108d0e MK |
375 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
376 | IN UINT32 MediaId,\r | |
377 | IN EFI_LBA Lba,\r | |
378 | IN UINTN BufferSize,\r | |
379 | OUT VOID *Buffer\r | |
e8e95df4 | 380 | )\r |
381 | {\r | |
382 | return MmcIoBlocks (This, MMC_IOBLOCKS_READ, MediaId, Lba, BufferSize, Buffer);\r | |
1bfda055 | 383 | }\r |
384 | \r | |
385 | EFI_STATUS\r | |
386 | EFIAPI\r | |
387 | MmcWriteBlocks (\r | |
e7108d0e MK |
388 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
389 | IN UINT32 MediaId,\r | |
390 | IN EFI_LBA Lba,\r | |
391 | IN UINTN BufferSize,\r | |
392 | IN VOID *Buffer\r | |
e8e95df4 | 393 | )\r |
394 | {\r | |
395 | return MmcIoBlocks (This, MMC_IOBLOCKS_WRITE, MediaId, Lba, BufferSize, Buffer);\r | |
1bfda055 | 396 | }\r |
397 | \r | |
398 | EFI_STATUS\r | |
399 | EFIAPI\r | |
400 | MmcFlushBlocks (\r | |
401 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
e8e95df4 | 402 | )\r |
403 | {\r | |
404 | return EFI_SUCCESS;\r | |
1bfda055 | 405 | }\r |