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1bfda055 | 1 | /** @file\r |
2 | *\r | |
b4fdedc2 | 3 | * Copyright (c) 2011-2014, ARM Limited. All rights reserved.\r |
1bfda055 | 4 | *\r |
842b02d8 OM |
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 | |
1bfda055 | 12 | *\r |
13 | **/\r | |
14 | \r | |
1bfda055 | 15 | #include <Library/BaseMemoryLib.h>\r |
16 | #include <Library/TimerLib.h>\r | |
17 | \r | |
18 | #include "Mmc.h"\r | |
19 | \r | |
1bfda055 | 20 | EFI_STATUS\r |
21 | MmcNotifyState (\r | |
e8e95df4 | 22 | IN MMC_HOST_INSTANCE *MmcHostInstance,\r |
23 | IN MMC_STATE State\r | |
24 | )\r | |
25 | {\r | |
26 | MmcHostInstance->State = State;\r | |
16d88c2d | 27 | return MmcHostInstance->MmcHost->NotifyState (MmcHostInstance->MmcHost, State);\r |
1bfda055 | 28 | }\r |
29 | \r | |
a1ab9143 | 30 | EFI_STATUS\r |
31 | EFIAPI\r | |
842b02d8 | 32 | MmcGetCardStatus (\r |
4ca3c688 | 33 | IN MMC_HOST_INSTANCE *MmcHostInstance\r |
e8e95df4 | 34 | )\r |
35 | {\r | |
36 | EFI_STATUS Status;\r | |
37 | UINT32 Response[4];\r | |
38 | UINTN CmdArg;\r | |
39 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
40 | \r | |
41 | Status = EFI_SUCCESS;\r | |
42 | MmcHost = MmcHostInstance->MmcHost;\r | |
43 | CmdArg = 0;\r | |
44 | \r | |
45 | if (MmcHost == NULL) {\r | |
46 | return EFI_INVALID_PARAMETER;\r | |
47 | }\r | |
842b02d8 | 48 | if (MmcHostInstance->State != MmcHwInitializationState) {\r |
e8e95df4 | 49 | //Get the Status of the card.\r |
50 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
16d88c2d | 51 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
6f711615 | 52 | if (EFI_ERROR (Status)) {\r |
53 | DEBUG ((EFI_D_ERROR, "MmcGetCardStatus(MMC_CMD13): Error and Status = %r\n", Status));\r | |
e8e95df4 | 54 | return Status;\r |
a1ab9143 | 55 | }\r |
56 | \r | |
e8e95df4 | 57 | //Read Response\r |
6f711615 | 58 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);\r |
59 | PrintResponseR1 (Response[0]);\r | |
e8e95df4 | 60 | }\r |
61 | \r | |
62 | return Status;\r | |
1bfda055 | 63 | }\r |
64 | \r | |
1bfda055 | 65 | EFI_STATUS\r |
66 | EFIAPI\r | |
67 | MmcReset (\r | |
68 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
69 | IN BOOLEAN ExtendedVerification\r | |
e8e95df4 | 70 | )\r |
71 | {\r | |
3de99375 | 72 | MMC_HOST_INSTANCE *MmcHostInstance;\r |
73 | \r | |
6f711615 | 74 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS (This);\r |
3de99375 | 75 | \r |
76 | if (MmcHostInstance->MmcHost == NULL) {\r | |
77 | // Nothing to do\r | |
78 | return EFI_SUCCESS;\r | |
79 | }\r | |
80 | \r | |
81 | // If a card is not present then clear all media settings\r | |
16d88c2d | 82 | if (!MmcHostInstance->MmcHost->IsCardPresent (MmcHostInstance->MmcHost)) {\r |
3de99375 | 83 | MmcHostInstance->BlockIo.Media->MediaPresent = FALSE;\r |
84 | MmcHostInstance->BlockIo.Media->LastBlock = 0;\r | |
85 | MmcHostInstance->BlockIo.Media->BlockSize = 512; // Should be zero but there is a bug in DiskIo\r | |
86 | MmcHostInstance->BlockIo.Media->ReadOnly = FALSE;\r | |
87 | \r | |
88 | // Indicate that the driver requires initialization\r | |
89 | MmcHostInstance->State = MmcHwInitializationState;\r | |
90 | \r | |
91 | return EFI_SUCCESS;\r | |
92 | }\r | |
93 | \r | |
e8e95df4 | 94 | // Implement me. Either send a CMD0 (could not work for some MMC host) or just turn off/turn\r |
95 | // on power and restart Identification mode\r | |
96 | return EFI_SUCCESS;\r | |
1bfda055 | 97 | }\r |
98 | \r | |
99 | EFI_STATUS\r | |
100 | MmcDetectCard (\r | |
101 | EFI_MMC_HOST_PROTOCOL *MmcHost\r | |
102 | )\r | |
103 | {\r | |
16d88c2d | 104 | if (!MmcHost->IsCardPresent (MmcHost)) {\r |
e8e95df4 | 105 | return EFI_NO_MEDIA;\r |
106 | } else {\r | |
107 | return EFI_SUCCESS;\r | |
108 | }\r | |
1bfda055 | 109 | }\r |
110 | \r | |
9532373b OM |
111 | EFI_STATUS\r |
112 | MmcStopTransmission (\r | |
113 | EFI_MMC_HOST_PROTOCOL *MmcHost\r | |
114 | )\r | |
115 | {\r | |
116 | EFI_STATUS Status;\r | |
117 | UINT32 Response[4];\r | |
118 | // Command 12 - Stop transmission (ends read or write)\r | |
119 | // Normally only needed for streaming transfers or after error.\r | |
120 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD12, 0);\r | |
121 | if (!EFI_ERROR (Status)) {\r | |
122 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1b, Response);\r | |
123 | }\r | |
124 | return Status;\r | |
125 | }\r | |
126 | \r | |
1bfda055 | 127 | #define MMCI0_BLOCKLEN 512\r |
128 | #define MMCI0_TIMEOUT 10000\r | |
129 | \r | |
e8e95df4 | 130 | EFI_STATUS\r |
131 | MmcIoBlocks (\r | |
1bfda055 | 132 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
133 | IN UINTN Transfer,\r | |
134 | IN UINT32 MediaId,\r | |
135 | IN EFI_LBA Lba,\r | |
136 | IN UINTN BufferSize,\r | |
137 | OUT VOID *Buffer\r | |
e8e95df4 | 138 | )\r |
139 | {\r | |
140 | UINT32 Response[4];\r | |
141 | EFI_STATUS Status;\r | |
40842a5e | 142 | UINTN CmdArg;\r |
969ece79 | 143 | INTN Timeout;\r |
e8e95df4 | 144 | UINTN Cmd;\r |
145 | MMC_HOST_INSTANCE *MmcHostInstance;\r | |
146 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
147 | UINTN BytesRemainingToBeTransfered;\r | |
842b02d8 | 148 | UINTN BlockCount;\r |
e8e95df4 | 149 | \r |
842b02d8 | 150 | BlockCount = 1;\r |
6f711615 | 151 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS (This);\r |
842b02d8 | 152 | ASSERT (MmcHostInstance != NULL);\r |
e8e95df4 | 153 | MmcHost = MmcHostInstance->MmcHost;\r |
6f711615 | 154 | ASSERT (MmcHost);\r |
e8e95df4 | 155 | \r |
5ab765a7 | 156 | if (This->Media->MediaId != MediaId) {\r |
157 | return EFI_MEDIA_CHANGED;\r | |
158 | }\r | |
159 | \r | |
842b02d8 | 160 | if ((MmcHost == NULL) || (Buffer == NULL)) {\r |
e8e95df4 | 161 | return EFI_INVALID_PARAMETER;\r |
162 | }\r | |
163 | \r | |
164 | // Check if a Card is Present\r | |
3de99375 | 165 | if (!MmcHostInstance->BlockIo.Media->MediaPresent) {\r |
e8e95df4 | 166 | return EFI_NO_MEDIA;\r |
167 | }\r | |
168 | \r | |
969ece79 | 169 | // All blocks must be within the device\r |
842b02d8 | 170 | if ((Lba + (BufferSize / This->Media->BlockSize)) > (This->Media->LastBlock + 1)) {\r |
969ece79 | 171 | return EFI_INVALID_PARAMETER;\r |
e8e95df4 | 172 | }\r |
173 | \r | |
842b02d8 | 174 | if ((Transfer == MMC_IOBLOCKS_WRITE) && (This->Media->ReadOnly == TRUE)) {\r |
5ab765a7 | 175 | return EFI_WRITE_PROTECTED;\r |
969ece79 | 176 | }\r |
177 | \r | |
5ab765a7 | 178 | // Reading 0 Byte is valid\r |
179 | if (BufferSize == 0) {\r | |
180 | return EFI_SUCCESS;\r | |
969ece79 | 181 | }\r |
182 | \r | |
5ab765a7 | 183 | // The buffer size must be an exact multiple of the block size\r |
184 | if ((BufferSize % This->Media->BlockSize) != 0) {\r | |
185 | return EFI_BAD_BUFFER_SIZE;\r | |
186 | }\r | |
187 | \r | |
188 | // Check the alignment\r | |
189 | if ((This->Media->IoAlign > 2) && (((UINTN)Buffer & (This->Media->IoAlign - 1)) != 0)) {\r | |
190 | return EFI_INVALID_PARAMETER;\r | |
e8e95df4 | 191 | }\r |
192 | \r | |
193 | BytesRemainingToBeTransfered = BufferSize;\r | |
194 | while (BytesRemainingToBeTransfered > 0) {\r | |
195 | \r | |
196 | // Check if the Card is in Ready status\r | |
197 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
198 | Response[0] = 0;\r | |
199 | Timeout = 20;\r | |
260675b0 | 200 | while( (!(Response[0] & MMC_R0_READY_FOR_DATA))\r |
6f711615 | 201 | && (MMC_R0_CURRENTSTATE (Response) != MMC_R0_STATE_TRAN)\r |
260675b0 | 202 | && Timeout--) {\r |
16d88c2d | 203 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
6f711615 | 204 | if (!EFI_ERROR (Status)) {\r |
205 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);\r | |
e8e95df4 | 206 | }\r |
1bfda055 | 207 | }\r |
208 | \r | |
e8e95df4 | 209 | if (0 == Timeout) {\r |
6f711615 | 210 | DEBUG ((EFI_D_ERROR, "The Card is busy\n"));\r |
e8e95df4 | 211 | return EFI_NOT_READY;\r |
b9d5fe03 | 212 | }\r |
213 | \r | |
e8e95df4 | 214 | //Set command argument based on the card access mode (Byte mode or Block mode)\r |
215 | if (MmcHostInstance->CardInfo.OCRData.AccessMode & BIT1) {\r | |
216 | CmdArg = Lba;\r | |
217 | } else {\r | |
218 | CmdArg = Lba * This->Media->BlockSize;\r | |
219 | }\r | |
1bfda055 | 220 | \r |
e8e95df4 | 221 | if (Transfer == MMC_IOBLOCKS_READ) {\r |
e8e95df4 | 222 | // Read a single block\r |
223 | Cmd = MMC_CMD17;\r | |
e8e95df4 | 224 | } else {\r |
e8e95df4 | 225 | // Write a single block\r |
226 | Cmd = MMC_CMD24;\r | |
e8e95df4 | 227 | }\r |
16d88c2d | 228 | Status = MmcHost->SendCommand (MmcHost, Cmd, CmdArg);\r |
6f711615 | 229 | if (EFI_ERROR (Status)) {\r |
230 | DEBUG ((EFI_D_ERROR, "MmcIoBlocks(MMC_CMD%d): Error %r\n", Cmd, Status));\r | |
e8e95df4 | 231 | return Status;\r |
232 | }\r | |
1bfda055 | 233 | \r |
e8e95df4 | 234 | if (Transfer == MMC_IOBLOCKS_READ) {\r |
e8e95df4 | 235 | // Read one block of Data\r |
6f711615 | 236 | Status = MmcHost->ReadBlockData (MmcHost, Lba, This->Media->BlockSize, Buffer);\r |
237 | if (EFI_ERROR (Status)) {\r | |
238 | DEBUG ((EFI_D_BLKIO, "MmcIoBlocks(): Error Read Block Data and Status = %r\n", Status));\r | |
9532373b | 239 | MmcStopTransmission (MmcHost);\r |
e8e95df4 | 240 | return Status;\r |
241 | }\r | |
e8e95df4 | 242 | Status = MmcNotifyState (MmcHostInstance, MmcProgrammingState);\r |
6f711615 | 243 | if (EFI_ERROR (Status)) {\r |
244 | DEBUG ((EFI_D_ERROR, "MmcIoBlocks() : Error MmcProgrammingState\n"));\r | |
e8e95df4 | 245 | return Status;\r |
246 | }\r | |
247 | } else {\r | |
e8e95df4 | 248 | // Write one block of Data\r |
6f711615 | 249 | Status = MmcHost->WriteBlockData (MmcHost, Lba, This->Media->BlockSize, Buffer);\r |
250 | if (EFI_ERROR (Status)) {\r | |
251 | DEBUG ((EFI_D_BLKIO, "MmcIoBlocks(): Error Write Block Data and Status = %r\n", Status));\r | |
9532373b | 252 | MmcStopTransmission (MmcHost);\r |
e8e95df4 | 253 | return Status;\r |
254 | }\r | |
e8e95df4 | 255 | }\r |
1bfda055 | 256 | \r |
e8e95df4 | 257 | // Command 13 - Read status and wait for programming to complete (return to tran)\r |
258 | Timeout = MMCI0_TIMEOUT;\r | |
259 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
260 | Response[0] = 0;\r | |
260675b0 | 261 | while( (!(Response[0] & MMC_R0_READY_FOR_DATA))\r |
6f711615 | 262 | && (MMC_R0_CURRENTSTATE (Response) != MMC_R0_STATE_TRAN)\r |
260675b0 | 263 | && Timeout--) {\r |
16d88c2d | 264 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
6f711615 | 265 | if (!EFI_ERROR (Status)) {\r |
699e34ad | 266 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);\r |
267 | if ((Response[0] & MMC_R0_READY_FOR_DATA)) {\r | |
268 | break; // Prevents delay once finished\r | |
269 | }\r | |
e8e95df4 | 270 | }\r |
6f711615 | 271 | NanoSecondDelay (100);\r |
e8e95df4 | 272 | }\r |
1bfda055 | 273 | \r |
e8e95df4 | 274 | Status = MmcNotifyState (MmcHostInstance, MmcTransferState);\r |
6f711615 | 275 | if (EFI_ERROR (Status)) {\r |
276 | DEBUG ((EFI_D_ERROR, "MmcIoBlocks() : Error MmcTransferState\n"));\r | |
e8e95df4 | 277 | return Status;\r |
1bfda055 | 278 | }\r |
279 | \r | |
e8e95df4 | 280 | BytesRemainingToBeTransfered -= This->Media->BlockSize;\r |
281 | Lba += BlockCount;\r | |
282 | Buffer = (UINT8 *)Buffer + This->Media->BlockSize;\r | |
283 | }\r | |
284 | \r | |
285 | return EFI_SUCCESS;\r | |
1bfda055 | 286 | }\r |
287 | \r | |
288 | EFI_STATUS\r | |
289 | EFIAPI\r | |
290 | MmcReadBlocks (\r | |
291 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
292 | IN UINT32 MediaId,\r | |
293 | IN EFI_LBA Lba,\r | |
294 | IN UINTN BufferSize,\r | |
295 | OUT VOID *Buffer\r | |
e8e95df4 | 296 | )\r |
297 | {\r | |
298 | return MmcIoBlocks (This, MMC_IOBLOCKS_READ, MediaId, Lba, BufferSize, Buffer);\r | |
1bfda055 | 299 | }\r |
300 | \r | |
301 | EFI_STATUS\r | |
302 | EFIAPI\r | |
303 | MmcWriteBlocks (\r | |
304 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
305 | IN UINT32 MediaId,\r | |
306 | IN EFI_LBA Lba,\r | |
307 | IN UINTN BufferSize,\r | |
308 | IN VOID *Buffer\r | |
e8e95df4 | 309 | )\r |
310 | {\r | |
311 | return MmcIoBlocks (This, MMC_IOBLOCKS_WRITE, MediaId, Lba, BufferSize, Buffer);\r | |
1bfda055 | 312 | }\r |
313 | \r | |
314 | EFI_STATUS\r | |
315 | EFIAPI\r | |
316 | MmcFlushBlocks (\r | |
317 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
e8e95df4 | 318 | )\r |
319 | {\r | |
320 | return EFI_SUCCESS;\r | |
1bfda055 | 321 | }\r |