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b4fdedc2 OM |
1 | /** @file\r |
2 | *\r | |
eff98cf9 | 3 | * Copyright (c) 2011-2015, ARM Limited. All rights reserved.\r |
b4fdedc2 OM |
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 | |
e06253ba | 15 | #include <Library/BaseMemoryLib.h>\r |
7bb5fad5 | 16 | #include <Library/MemoryAllocationLib.h>\r |
e06253ba HZ |
17 | #include <Library/TimerLib.h>\r |
18 | \r | |
b4fdedc2 OM |
19 | #include "Mmc.h"\r |
20 | \r | |
21 | typedef union {\r | |
22 | UINT32 Raw;\r | |
23 | OCR Ocr;\r | |
24 | } OCR_RESPONSE;\r | |
25 | \r | |
26 | #define MAX_RETRY_COUNT 1000\r | |
27 | #define CMD_RETRY_COUNT 20\r | |
28 | #define RCA_SHIFT_OFFSET 16\r | |
29 | #define EMMC_CARD_SIZE 512\r | |
30 | #define EMMC_ECSD_SIZE_OFFSET 53\r | |
31 | \r | |
752ae805 HZ |
32 | #define EXTCSD_BUS_WIDTH 183\r |
33 | #define EXTCSD_HS_TIMING 185\r | |
34 | \r | |
35 | #define EMMC_TIMING_BACKWARD 0\r | |
36 | #define EMMC_TIMING_HS 1\r | |
37 | #define EMMC_TIMING_HS200 2\r | |
38 | #define EMMC_TIMING_HS400 3\r | |
39 | \r | |
40 | #define EMMC_BUS_WIDTH_1BIT 0\r | |
41 | #define EMMC_BUS_WIDTH_4BIT 1\r | |
42 | #define EMMC_BUS_WIDTH_8BIT 2\r | |
43 | #define EMMC_BUS_WIDTH_DDR_4BIT 5\r | |
44 | #define EMMC_BUS_WIDTH_DDR_8BIT 6\r | |
45 | \r | |
46 | #define EMMC_SWITCH_ERROR (1 << 7)\r | |
47 | \r | |
e06253ba HZ |
48 | #define SD_BUS_WIDTH_1BIT (1 << 0)\r |
49 | #define SD_BUS_WIDTH_4BIT (1 << 2)\r | |
50 | \r | |
51 | #define SD_CCC_SWITCH (1 << 10)\r | |
52 | \r | |
752ae805 HZ |
53 | #define DEVICE_STATE(x) (((x) >> 9) & 0xf)\r |
54 | typedef enum _EMMC_DEVICE_STATE {\r | |
55 | EMMC_IDLE_STATE = 0,\r | |
56 | EMMC_READY_STATE,\r | |
57 | EMMC_IDENT_STATE,\r | |
58 | EMMC_STBY_STATE,\r | |
59 | EMMC_TRAN_STATE,\r | |
60 | EMMC_DATA_STATE,\r | |
61 | EMMC_RCV_STATE,\r | |
62 | EMMC_PRG_STATE,\r | |
63 | EMMC_DIS_STATE,\r | |
64 | EMMC_BTST_STATE,\r | |
65 | EMMC_SLP_STATE\r | |
66 | } EMMC_DEVICE_STATE;\r | |
67 | \r | |
b4fdedc2 OM |
68 | UINT32 mEmmcRcaCount = 0;\r |
69 | \r | |
752ae805 HZ |
70 | STATIC\r |
71 | EFI_STATUS\r | |
72 | EFIAPI\r | |
73 | EmmcGetDeviceState (\r | |
74 | IN MMC_HOST_INSTANCE *MmcHostInstance,\r | |
75 | OUT EMMC_DEVICE_STATE *State\r | |
76 | )\r | |
77 | {\r | |
78 | EFI_MMC_HOST_PROTOCOL *Host;\r | |
79 | EFI_STATUS Status;\r | |
80 | UINT32 Data, RCA;\r | |
81 | \r | |
82 | if (State == NULL) {\r | |
83 | return EFI_INVALID_PARAMETER;\r | |
84 | }\r | |
85 | \r | |
86 | Host = MmcHostInstance->MmcHost;\r | |
87 | RCA = MmcHostInstance->CardInfo.RCA << RCA_SHIFT_OFFSET;\r | |
88 | Status = Host->SendCommand (Host, MMC_CMD13, RCA);\r | |
89 | if (EFI_ERROR (Status)) {\r | |
90 | DEBUG ((EFI_D_ERROR, "EmmcGetDeviceState(): Failed to get card status, Status=%r.\n", Status));\r | |
91 | return Status;\r | |
92 | }\r | |
93 | Status = Host->ReceiveResponse (Host, MMC_RESPONSE_TYPE_R1, &Data);\r | |
94 | if (EFI_ERROR (Status)) {\r | |
95 | DEBUG ((EFI_D_ERROR, "EmmcGetDeviceState(): Failed to get response of CMD13, Status=%r.\n", Status));\r | |
96 | return Status;\r | |
97 | }\r | |
98 | if (Data & EMMC_SWITCH_ERROR) {\r | |
99 | DEBUG ((EFI_D_ERROR, "EmmcGetDeviceState(): Failed to switch expected mode, Status=%r.\n", Status));\r | |
100 | return EFI_DEVICE_ERROR;\r | |
101 | }\r | |
102 | *State = DEVICE_STATE(Data);\r | |
103 | return EFI_SUCCESS;\r | |
104 | }\r | |
105 | \r | |
106 | STATIC\r | |
107 | EFI_STATUS\r | |
108 | EFIAPI\r | |
109 | EmmcSetEXTCSD (\r | |
110 | IN MMC_HOST_INSTANCE *MmcHostInstance,\r | |
111 | UINT32 ExtCmdIndex,\r | |
112 | UINT32 Value\r | |
113 | )\r | |
114 | {\r | |
115 | EFI_MMC_HOST_PROTOCOL *Host;\r | |
116 | EMMC_DEVICE_STATE State;\r | |
117 | EFI_STATUS Status;\r | |
118 | UINT32 Argument;\r | |
119 | \r | |
120 | Host = MmcHostInstance->MmcHost;\r | |
121 | Argument = EMMC_CMD6_ARG_ACCESS(3) | EMMC_CMD6_ARG_INDEX(ExtCmdIndex) |\r | |
122 | EMMC_CMD6_ARG_VALUE(Value) | EMMC_CMD6_ARG_CMD_SET(1);\r | |
123 | Status = Host->SendCommand (Host, MMC_CMD6, Argument);\r | |
124 | if (EFI_ERROR (Status)) {\r | |
125 | DEBUG ((EFI_D_ERROR, "EmmcSetEXTCSD(): Failed to send CMD6, Status=%r.\n", Status));\r | |
126 | return Status;\r | |
127 | }\r | |
128 | // Make sure device exiting prog mode\r | |
129 | do {\r | |
130 | Status = EmmcGetDeviceState (MmcHostInstance, &State);\r | |
131 | if (EFI_ERROR (Status)) {\r | |
132 | DEBUG ((EFI_D_ERROR, "EmmcSetEXTCSD(): Failed to get device state, Status=%r.\n", Status));\r | |
133 | return Status;\r | |
134 | }\r | |
135 | } while (State == EMMC_PRG_STATE);\r | |
136 | return EFI_SUCCESS;\r | |
137 | }\r | |
138 | \r | |
b4fdedc2 OM |
139 | STATIC\r |
140 | EFI_STATUS\r | |
141 | EFIAPI\r | |
142 | EmmcIdentificationMode (\r | |
143 | IN MMC_HOST_INSTANCE *MmcHostInstance,\r | |
144 | IN OCR_RESPONSE Response\r | |
145 | )\r | |
146 | {\r | |
147 | EFI_MMC_HOST_PROTOCOL *Host;\r | |
148 | EFI_BLOCK_IO_MEDIA *Media;\r | |
149 | EFI_STATUS Status;\r | |
752ae805 | 150 | EMMC_DEVICE_STATE State;\r |
b4fdedc2 | 151 | UINT32 RCA;\r |
b4fdedc2 OM |
152 | \r |
153 | Host = MmcHostInstance->MmcHost;\r | |
154 | Media = MmcHostInstance->BlockIo.Media;\r | |
155 | \r | |
156 | // Fetch card identity register\r | |
157 | Status = Host->SendCommand (Host, MMC_CMD2, 0);\r | |
158 | if (EFI_ERROR (Status)) {\r | |
159 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Failed to send CMD2, Status=%r.\n", Status));\r | |
160 | return Status;\r | |
161 | }\r | |
162 | \r | |
163 | Status = Host->ReceiveResponse (Host, MMC_RESPONSE_TYPE_R2, (UINT32 *)&(MmcHostInstance->CardInfo.CIDData));\r | |
164 | if (EFI_ERROR (Status)) {\r | |
165 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): CID retrieval error, Status=%r.\n", Status));\r | |
166 | return Status;\r | |
167 | }\r | |
168 | \r | |
169 | // Assign a relative address value to the card\r | |
170 | MmcHostInstance->CardInfo.RCA = ++mEmmcRcaCount; // TODO: might need a more sophisticated way of doing this\r | |
171 | RCA = MmcHostInstance->CardInfo.RCA << RCA_SHIFT_OFFSET;\r | |
172 | Status = Host->SendCommand (Host, MMC_CMD3, RCA);\r | |
173 | if (EFI_ERROR (Status)) {\r | |
174 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): RCA set error, Status=%r.\n", Status));\r | |
175 | return Status;\r | |
176 | }\r | |
177 | \r | |
178 | // Fetch card specific data\r | |
179 | Status = Host->SendCommand (Host, MMC_CMD9, RCA);\r | |
180 | if (EFI_ERROR (Status)) {\r | |
181 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Failed to send CMD9, Status=%r.\n", Status));\r | |
182 | return Status;\r | |
183 | }\r | |
184 | \r | |
185 | Status = Host->ReceiveResponse (Host, MMC_RESPONSE_TYPE_R2, (UINT32 *)&(MmcHostInstance->CardInfo.CSDData));\r | |
186 | if (EFI_ERROR (Status)) {\r | |
187 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): CSD retrieval error, Status=%r.\n", Status));\r | |
188 | return Status;\r | |
189 | }\r | |
190 | \r | |
191 | // Select the card\r | |
192 | Status = Host->SendCommand (Host, MMC_CMD7, RCA);\r | |
193 | if (EFI_ERROR (Status)) {\r | |
194 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Card selection error, Status=%r.\n", Status));\r | |
195 | }\r | |
196 | \r | |
752ae805 HZ |
197 | if (MMC_HOST_HAS_SETIOS(Host)) {\r |
198 | // Set 1-bit bus width\r | |
199 | Status = Host->SetIos (Host, 0, 1, EMMCBACKWARD);\r | |
200 | if (EFI_ERROR (Status)) {\r | |
201 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Set 1-bit bus width error, Status=%r.\n", Status));\r | |
202 | return Status;\r | |
203 | }\r | |
204 | \r | |
205 | // Set 1-bit bus width for EXTCSD\r | |
206 | Status = EmmcSetEXTCSD (MmcHostInstance, EXTCSD_BUS_WIDTH, EMMC_BUS_WIDTH_1BIT);\r | |
207 | if (EFI_ERROR (Status)) {\r | |
208 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Set extcsd bus width error, Status=%r.\n", Status));\r | |
209 | return Status;\r | |
210 | }\r | |
211 | }\r | |
212 | \r | |
b4fdedc2 | 213 | // Fetch ECSD\r |
7bb5fad5 JN |
214 | MmcHostInstance->CardInfo.ECSDData = AllocatePages (EFI_SIZE_TO_PAGES (sizeof (ECSD)));\r |
215 | if (MmcHostInstance->CardInfo.ECSDData == NULL) {\r | |
216 | return EFI_OUT_OF_RESOURCES;\r | |
217 | }\r | |
0ad564ff | 218 | Status = Host->SendCommand (Host, MMC_CMD8, 0);\r |
b4fdedc2 OM |
219 | if (EFI_ERROR (Status)) {\r |
220 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): ECSD fetch error, Status=%r.\n", Status));\r | |
221 | }\r | |
222 | \r | |
7bb5fad5 | 223 | Status = Host->ReadBlockData (Host, 0, 512, (UINT32 *)MmcHostInstance->CardInfo.ECSDData);\r |
b4fdedc2 OM |
224 | if (EFI_ERROR (Status)) {\r |
225 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): ECSD read error, Status=%r.\n", Status));\r | |
7bb5fad5 | 226 | goto FreePageExit;\r |
b4fdedc2 OM |
227 | }\r |
228 | \r | |
752ae805 HZ |
229 | // Make sure device exiting data mode\r |
230 | do {\r | |
231 | Status = EmmcGetDeviceState (MmcHostInstance, &State);\r | |
232 | if (EFI_ERROR (Status)) {\r | |
233 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Failed to get device state, Status=%r.\n", Status));\r | |
7bb5fad5 | 234 | goto FreePageExit;\r |
752ae805 HZ |
235 | }\r |
236 | } while (State == EMMC_DATA_STATE);\r | |
237 | \r | |
b4fdedc2 OM |
238 | // Set up media\r |
239 | Media->BlockSize = EMMC_CARD_SIZE; // 512-byte support is mandatory for eMMC cards\r | |
240 | Media->MediaId = MmcHostInstance->CardInfo.CIDData.PSN;\r | |
241 | Media->ReadOnly = MmcHostInstance->CardInfo.CSDData.PERM_WRITE_PROTECT;\r | |
242 | Media->LogicalBlocksPerPhysicalBlock = 1;\r | |
243 | Media->IoAlign = 4;\r | |
244 | // Compute last block using bits [215:212] of the ECSD\r | |
7bb5fad5 | 245 | Media->LastBlock = MmcHostInstance->CardInfo.ECSDData->SECTOR_COUNT - 1; // eMMC isn't supposed to report this for\r |
b4fdedc2 OM |
246 | // Cards <2GB in size, but the model does.\r |
247 | \r | |
248 | // Setup card type\r | |
249 | MmcHostInstance->CardInfo.CardType = EMMC_CARD;\r | |
250 | return EFI_SUCCESS;\r | |
7bb5fad5 JN |
251 | \r |
252 | FreePageExit:\r | |
253 | FreePages (MmcHostInstance->CardInfo.ECSDData, EFI_SIZE_TO_PAGES (sizeof (ECSD)));\r | |
254 | return Status;\r | |
b4fdedc2 OM |
255 | }\r |
256 | \r | |
752ae805 HZ |
257 | STATIC\r |
258 | EFI_STATUS\r | |
259 | InitializeEmmcDevice (\r | |
260 | IN MMC_HOST_INSTANCE *MmcHostInstance\r | |
261 | )\r | |
262 | {\r | |
263 | EFI_MMC_HOST_PROTOCOL *Host;\r | |
264 | EFI_STATUS Status = EFI_SUCCESS;\r | |
265 | ECSD *ECSDData;\r | |
44f4ff62 | 266 | UINT32 BusClockFreq, Idx, BusMode;\r |
752ae805 HZ |
267 | UINT32 TimingMode[4] = {EMMCHS52DDR1V2, EMMCHS52DDR1V8, EMMCHS52, EMMCHS26};\r |
268 | \r | |
269 | Host = MmcHostInstance->MmcHost;\r | |
7bb5fad5 | 270 | ECSDData = MmcHostInstance->CardInfo.ECSDData;\r |
752ae805 HZ |
271 | if (ECSDData->DEVICE_TYPE == EMMCBACKWARD)\r |
272 | return EFI_SUCCESS;\r | |
273 | \r | |
274 | if (!MMC_HOST_HAS_SETIOS(Host)) {\r | |
275 | return EFI_SUCCESS;\r | |
276 | }\r | |
277 | Status = EmmcSetEXTCSD (MmcHostInstance, EXTCSD_HS_TIMING, EMMC_TIMING_HS);\r | |
278 | if (EFI_ERROR (Status)) {\r | |
279 | DEBUG ((DEBUG_ERROR, "InitializeEmmcDevice(): Failed to switch high speed mode, Status:%r.\n", Status));\r | |
280 | return Status;\r | |
281 | }\r | |
282 | \r | |
283 | for (Idx = 0; Idx < 4; Idx++) {\r | |
284 | switch (TimingMode[Idx]) {\r | |
285 | case EMMCHS52DDR1V2:\r | |
286 | case EMMCHS52DDR1V8:\r | |
287 | case EMMCHS52:\r | |
288 | BusClockFreq = 52000000;\r | |
289 | break;\r | |
290 | case EMMCHS26:\r | |
291 | BusClockFreq = 26000000;\r | |
292 | break;\r | |
293 | default:\r | |
294 | return EFI_UNSUPPORTED;\r | |
295 | }\r | |
296 | Status = Host->SetIos (Host, BusClockFreq, 8, TimingMode[Idx]);\r | |
297 | if (!EFI_ERROR (Status)) {\r | |
44f4ff62 JN |
298 | switch (TimingMode[Idx]) {\r |
299 | case EMMCHS52DDR1V2:\r | |
300 | case EMMCHS52DDR1V8:\r | |
301 | BusMode = EMMC_BUS_WIDTH_DDR_8BIT;\r | |
302 | break;\r | |
303 | case EMMCHS52:\r | |
304 | case EMMCHS26:\r | |
305 | BusMode = EMMC_BUS_WIDTH_8BIT;\r | |
306 | break;\r | |
307 | default:\r | |
308 | return EFI_UNSUPPORTED;\r | |
309 | }\r | |
310 | Status = EmmcSetEXTCSD (MmcHostInstance, EXTCSD_BUS_WIDTH, BusMode);\r | |
752ae805 HZ |
311 | if (EFI_ERROR (Status)) {\r |
312 | DEBUG ((DEBUG_ERROR, "InitializeEmmcDevice(): Failed to set EXTCSD bus width, Status:%r\n", Status));\r | |
313 | }\r | |
314 | return Status;\r | |
315 | }\r | |
316 | }\r | |
317 | return Status;\r | |
318 | }\r | |
319 | \r | |
ea21f1d9 MA |
320 | STATIC\r |
321 | UINT32\r | |
322 | CreateSwitchCmdArgument (\r | |
323 | IN UINT32 Mode,\r | |
324 | IN UINT8 Group,\r | |
325 | IN UINT8 Value\r | |
326 | )\r | |
327 | {\r | |
328 | UINT32 Argument;\r | |
329 | \r | |
330 | Argument = Mode << 31 | 0x00FFFFFF;\r | |
331 | Argument &= ~(0xF << (Group * 4));\r | |
332 | Argument |= Value << (Group * 4);\r | |
333 | \r | |
334 | return Argument;\r | |
335 | }\r | |
336 | \r | |
b4fdedc2 OM |
337 | STATIC\r |
338 | EFI_STATUS\r | |
339 | InitializeSdMmcDevice (\r | |
340 | IN MMC_HOST_INSTANCE *MmcHostInstance\r | |
341 | )\r | |
342 | {\r | |
343 | UINT32 CmdArg;\r | |
344 | UINT32 Response[4];\r | |
e06253ba | 345 | UINT32 Buffer[128];\r |
ea21f1d9 | 346 | UINT32 Speed;\r |
b4fdedc2 OM |
347 | UINTN BlockSize;\r |
348 | UINTN CardSize;\r | |
349 | UINTN NumBlocks;\r | |
e06253ba HZ |
350 | BOOLEAN CccSwitch;\r |
351 | SCR Scr;\r | |
b4fdedc2 OM |
352 | EFI_STATUS Status;\r |
353 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
354 | \r | |
ea21f1d9 | 355 | Speed = SD_DEFAULT_SPEED;\r |
b4fdedc2 OM |
356 | MmcHost = MmcHostInstance->MmcHost;\r |
357 | \r | |
358 | // Send a command to get Card specific data\r | |
359 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
360 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD9, CmdArg);\r | |
361 | if (EFI_ERROR (Status)) {\r | |
362 | DEBUG((EFI_D_ERROR, "InitializeSdMmcDevice(MMC_CMD9): Error, Status=%r\n", Status));\r | |
363 | return Status;\r | |
364 | }\r | |
365 | \r | |
366 | // Read Response\r | |
367 | Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CSD, Response);\r | |
368 | if (EFI_ERROR (Status)) {\r | |
369 | DEBUG((EFI_D_ERROR, "InitializeSdMmcDevice(): Failed to receive CSD, Status=%r\n", Status));\r | |
370 | return Status;\r | |
371 | }\r | |
372 | PrintCSD (Response);\r | |
e06253ba HZ |
373 | if (MMC_CSD_GET_CCC(Response) & SD_CCC_SWITCH) {\r |
374 | CccSwitch = TRUE;\r | |
375 | } else {\r | |
376 | CccSwitch = FALSE;\r | |
377 | }\r | |
b4fdedc2 OM |
378 | \r |
379 | if (MmcHostInstance->CardInfo.CardType == SD_CARD_2_HIGH) {\r | |
380 | CardSize = HC_MMC_CSD_GET_DEVICESIZE (Response);\r | |
381 | NumBlocks = ((CardSize + 1) * 1024);\r | |
382 | BlockSize = 1 << MMC_CSD_GET_READBLLEN (Response);\r | |
383 | } else {\r | |
384 | CardSize = MMC_CSD_GET_DEVICESIZE (Response);\r | |
385 | NumBlocks = (CardSize + 1) * (1 << (MMC_CSD_GET_DEVICESIZEMULT (Response) + 2));\r | |
386 | BlockSize = 1 << MMC_CSD_GET_READBLLEN (Response);\r | |
387 | }\r | |
388 | \r | |
389 | // For >=2G card, BlockSize may be 1K, but the transfer size is 512 bytes.\r | |
390 | if (BlockSize > 512) {\r | |
391 | NumBlocks = MultU64x32 (NumBlocks, BlockSize / 512);\r | |
392 | BlockSize = 512;\r | |
393 | }\r | |
394 | \r | |
395 | MmcHostInstance->BlockIo.Media->LastBlock = (NumBlocks - 1);\r | |
396 | MmcHostInstance->BlockIo.Media->BlockSize = BlockSize;\r | |
397 | MmcHostInstance->BlockIo.Media->ReadOnly = MmcHost->IsReadOnly (MmcHost);\r | |
398 | MmcHostInstance->BlockIo.Media->MediaPresent = TRUE;\r | |
399 | MmcHostInstance->BlockIo.Media->MediaId++;\r | |
400 | \r | |
401 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
402 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD7, CmdArg);\r | |
403 | if (EFI_ERROR (Status)) {\r | |
404 | DEBUG((EFI_D_ERROR, "InitializeSdMmcDevice(MMC_CMD7): Error and Status = %r\n", Status));\r | |
405 | return Status;\r | |
406 | }\r | |
407 | \r | |
e06253ba HZ |
408 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD55, CmdArg);\r |
409 | if (EFI_ERROR (Status)) {\r | |
3d436166 | 410 | DEBUG ((DEBUG_ERROR, "%a (MMC_CMD55): Error and Status = %r\n", __FUNCTION__, Status));\r |
e06253ba HZ |
411 | return Status;\r |
412 | }\r | |
413 | Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);\r | |
414 | if (EFI_ERROR (Status)) {\r | |
3d436166 | 415 | DEBUG ((DEBUG_ERROR, "%a (MMC_CMD55): Error and Status = %r\n", __FUNCTION__, Status));\r |
e06253ba HZ |
416 | return Status;\r |
417 | }\r | |
418 | if ((Response[0] & MMC_STATUS_APP_CMD) == 0) {\r | |
419 | return EFI_SUCCESS;\r | |
420 | }\r | |
421 | \r | |
422 | /* SCR */\r | |
423 | Status = MmcHost->SendCommand (MmcHost, MMC_ACMD51, 0);\r | |
424 | if (EFI_ERROR (Status)) {\r | |
425 | DEBUG ((EFI_D_ERROR, "%a(MMC_ACMD51): Error and Status = %r\n", __func__, Status));\r | |
426 | return Status;\r | |
427 | } else {\r | |
428 | Status = MmcHost->ReadBlockData (MmcHost, 0, 8, Buffer);\r | |
429 | if (EFI_ERROR (Status)) {\r | |
430 | DEBUG ((EFI_D_ERROR, "%a(MMC_ACMD51): ReadBlockData Error and Status = %r\n", __func__, Status));\r | |
431 | return Status;\r | |
432 | }\r | |
433 | CopyMem (&Scr, Buffer, 8);\r | |
434 | if (Scr.SD_SPEC == 2) {\r | |
435 | if (Scr.SD_SPEC3 == 1) {\r | |
436 | if (Scr.SD_SPEC4 == 1) {\r | |
437 | DEBUG ((EFI_D_INFO, "Found SD Card for Spec Version 4.xx\n"));\r | |
438 | } else {\r | |
439 | DEBUG ((EFI_D_INFO, "Found SD Card for Spec Version 3.0x\n"));\r | |
440 | }\r | |
441 | } else {\r | |
442 | if (Scr.SD_SPEC4 == 0) {\r | |
443 | DEBUG ((EFI_D_INFO, "Found SD Card for Spec Version 2.0\n"));\r | |
444 | } else {\r | |
445 | DEBUG ((EFI_D_ERROR, "Found invalid SD Card\n"));\r | |
446 | }\r | |
447 | }\r | |
448 | } else {\r | |
449 | if ((Scr.SD_SPEC3 == 0) && (Scr.SD_SPEC4 == 0)) {\r | |
450 | if (Scr.SD_SPEC == 1) {\r | |
451 | DEBUG ((EFI_D_INFO, "Found SD Card for Spec Version 1.10\n"));\r | |
452 | } else {\r | |
453 | DEBUG ((EFI_D_INFO, "Found SD Card for Spec Version 1.0\n"));\r | |
454 | }\r | |
455 | } else {\r | |
456 | DEBUG ((EFI_D_ERROR, "Found invalid SD Card\n"));\r | |
457 | }\r | |
458 | }\r | |
459 | }\r | |
460 | if (CccSwitch) {\r | |
ea21f1d9 MA |
461 | /* SD Switch, Mode:0, Group:0, Value:0 */\r |
462 | CmdArg = CreateSwitchCmdArgument(0, 0, 0);\r | |
463 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD6, CmdArg);\r | |
464 | if (EFI_ERROR (Status)) {\r | |
465 | DEBUG ((DEBUG_ERROR, "%a (MMC_CMD6): Error and Status = %r\n", __FUNCTION__, Status));\r | |
466 | return Status;\r | |
467 | } else {\r | |
468 | Status = MmcHost->ReadBlockData (MmcHost, 0, SWITCH_CMD_DATA_LENGTH, Buffer);\r | |
469 | if (EFI_ERROR (Status)) {\r | |
470 | DEBUG ((DEBUG_ERROR, "%a (MMC_CMD6): ReadBlockData Error and Status = %r\n", __FUNCTION__, Status));\r | |
471 | return Status;\r | |
472 | }\r | |
473 | }\r | |
474 | \r | |
475 | if (!(Buffer[3] & SD_HIGH_SPEED_SUPPORTED)) {\r | |
476 | DEBUG ((DEBUG_ERROR, "%a : High Speed not supported by Card %r\n", __FUNCTION__, Status));\r | |
477 | return Status;\r | |
478 | }\r | |
479 | \r | |
480 | Speed = SD_HIGH_SPEED;\r | |
481 | \r | |
e06253ba | 482 | /* SD Switch, Mode:1, Group:0, Value:1 */\r |
ea21f1d9 | 483 | CmdArg = CreateSwitchCmdArgument(1, 0, 1);\r |
e06253ba HZ |
484 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD6, CmdArg);\r |
485 | if (EFI_ERROR (Status)) {\r | |
3d436166 | 486 | DEBUG ((DEBUG_ERROR, "%a (MMC_CMD6): Error and Status = %r\n", __FUNCTION__, Status));\r |
e06253ba HZ |
487 | return Status;\r |
488 | } else {\r | |
ea21f1d9 | 489 | Status = MmcHost->ReadBlockData (MmcHost, 0, SWITCH_CMD_DATA_LENGTH, Buffer);\r |
e06253ba | 490 | if (EFI_ERROR (Status)) {\r |
3d436166 | 491 | DEBUG ((DEBUG_ERROR, "%a (MMC_CMD6): ReadBlockData Error and Status = %r\n", __FUNCTION__, Status));\r |
e06253ba HZ |
492 | return Status;\r |
493 | }\r | |
ea21f1d9 MA |
494 | \r |
495 | if ((Buffer[4] & SWITCH_CMD_SUCCESS_MASK) != 0x01000000) {\r | |
496 | DEBUG((DEBUG_ERROR, "Problem switching SD card into high-speed mode\n"));\r | |
497 | return Status;\r | |
498 | }\r | |
e06253ba HZ |
499 | }\r |
500 | }\r | |
501 | if (Scr.SD_BUS_WIDTHS & SD_BUS_WIDTH_4BIT) {\r | |
502 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
503 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD55, CmdArg);\r | |
504 | if (EFI_ERROR (Status)) {\r | |
3d436166 | 505 | DEBUG ((DEBUG_ERROR, "%a (MMC_CMD55): Error and Status = %r\n", __FUNCTION__, Status));\r |
e06253ba HZ |
506 | return Status;\r |
507 | }\r | |
508 | /* Width: 4 */\r | |
509 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD6, 2);\r | |
510 | if (EFI_ERROR (Status)) {\r | |
3d436166 | 511 | DEBUG ((DEBUG_ERROR, "%a (MMC_CMD6): Error and Status = %r\n", __FUNCTION__, Status));\r |
e06253ba HZ |
512 | return Status;\r |
513 | }\r | |
514 | }\r | |
515 | if (MMC_HOST_HAS_SETIOS(MmcHost)) {\r | |
ea21f1d9 | 516 | Status = MmcHost->SetIos (MmcHost, Speed, BUSWIDTH_4, EMMCBACKWARD);\r |
e06253ba | 517 | if (EFI_ERROR (Status)) {\r |
3d436166 | 518 | DEBUG ((DEBUG_ERROR, "%a (SetIos): Error and Status = %r\n", __FUNCTION__, Status));\r |
e06253ba HZ |
519 | return Status;\r |
520 | }\r | |
521 | }\r | |
b4fdedc2 OM |
522 | return EFI_SUCCESS;\r |
523 | }\r | |
524 | \r | |
525 | STATIC\r | |
526 | EFI_STATUS\r | |
527 | EFIAPI\r | |
528 | MmcIdentificationMode (\r | |
529 | IN MMC_HOST_INSTANCE *MmcHostInstance\r | |
530 | )\r | |
531 | {\r | |
532 | EFI_STATUS Status;\r | |
533 | UINT32 Response[4];\r | |
534 | UINTN Timeout;\r | |
535 | UINTN CmdArg;\r | |
536 | BOOLEAN IsHCS;\r | |
537 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
538 | OCR_RESPONSE OcrResponse;\r | |
539 | \r | |
540 | MmcHost = MmcHostInstance->MmcHost;\r | |
541 | CmdArg = 0;\r | |
542 | IsHCS = FALSE;\r | |
543 | \r | |
544 | if (MmcHost == NULL) {\r | |
545 | return EFI_INVALID_PARAMETER;\r | |
546 | }\r | |
547 | \r | |
548 | // We can get into this function if we restart the identification mode\r | |
549 | if (MmcHostInstance->State == MmcHwInitializationState) {\r | |
550 | // Initialize the MMC Host HW\r | |
551 | Status = MmcNotifyState (MmcHostInstance, MmcHwInitializationState);\r | |
552 | if (EFI_ERROR (Status)) {\r | |
553 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcHwInitializationState, Status=%r.\n", Status));\r | |
554 | return Status;\r | |
555 | }\r | |
556 | }\r | |
557 | \r | |
558 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD0, 0);\r | |
559 | if (EFI_ERROR (Status)) {\r | |
560 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD0): Error, Status=%r.\n", Status));\r | |
561 | return Status;\r | |
562 | }\r | |
563 | Status = MmcNotifyState (MmcHostInstance, MmcIdleState);\r | |
564 | if (EFI_ERROR (Status)) {\r | |
565 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdleState, Status=%r.\n", Status));\r | |
566 | return Status;\r | |
567 | }\r | |
568 | \r | |
139b5773 OM |
569 | // Send CMD1 to get OCR (MMC)\r |
570 | // This command only valid for MMC and eMMC\r | |
32010753 HZ |
571 | Timeout = MAX_RETRY_COUNT;\r |
572 | do {\r | |
573 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD1, EMMC_CMD1_CAPACITY_GREATER_THAN_2GB);\r | |
574 | if (EFI_ERROR (Status))\r | |
575 | break;\r | |
b4fdedc2 OM |
576 | Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR, (UINT32 *)&OcrResponse);\r |
577 | if (EFI_ERROR (Status)) {\r | |
578 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive OCR, Status=%r.\n", Status));\r | |
579 | return Status;\r | |
580 | }\r | |
32010753 HZ |
581 | Timeout--;\r |
582 | } while (!OcrResponse.Ocr.PowerUp && (Timeout > 0));\r | |
583 | if (Status == EFI_SUCCESS) {\r | |
b4fdedc2 OM |
584 | if (!OcrResponse.Ocr.PowerUp) {\r |
585 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD1): Card initialisation failure, Status=%r.\n", Status));\r | |
586 | return EFI_DEVICE_ERROR;\r | |
587 | }\r | |
588 | OcrResponse.Ocr.PowerUp = 0;\r | |
589 | if (OcrResponse.Raw == EMMC_CMD1_CAPACITY_GREATER_THAN_2GB) {\r | |
590 | MmcHostInstance->CardInfo.OCRData.AccessMode = BIT1;\r | |
591 | }\r | |
592 | else {\r | |
593 | MmcHostInstance->CardInfo.OCRData.AccessMode = 0x0;\r | |
594 | }\r | |
139b5773 | 595 | // Check whether MMC or eMMC\r |
b4fdedc2 OM |
596 | if (OcrResponse.Raw == EMMC_CMD1_CAPACITY_GREATER_THAN_2GB ||\r |
597 | OcrResponse.Raw == EMMC_CMD1_CAPACITY_LESS_THAN_2GB) {\r | |
598 | return EmmcIdentificationMode (MmcHostInstance, OcrResponse);\r | |
599 | }\r | |
b4fdedc2 OM |
600 | }\r |
601 | \r | |
602 | // Are we using SDIO ?\r | |
603 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD5, 0);\r | |
604 | if (Status == EFI_SUCCESS) {\r | |
605 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD5): Error - SDIO not supported, Status=%r.\n", Status));\r | |
606 | return EFI_UNSUPPORTED;\r | |
607 | }\r | |
608 | \r | |
609 | // Check which kind of card we are using. Ver2.00 or later SD Memory Card (PL180 is SD v1.1)\r | |
610 | CmdArg = (0x0UL << 12 | BIT8 | 0xCEUL << 0);\r | |
611 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD8, CmdArg);\r | |
612 | if (Status == EFI_SUCCESS) {\r | |
613 | DEBUG ((EFI_D_ERROR, "Card is SD2.0 => Supports high capacity\n"));\r | |
614 | IsHCS = TRUE;\r | |
615 | Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R7, Response);\r | |
616 | if (EFI_ERROR (Status)) {\r | |
617 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive response to CMD8, Status=%r.\n", Status));\r | |
618 | return Status;\r | |
619 | }\r | |
620 | PrintResponseR1 (Response[0]);\r | |
621 | // Check if it is valid response\r | |
622 | if (Response[0] != CmdArg) {\r | |
623 | DEBUG ((EFI_D_ERROR, "The Card is not usable\n"));\r | |
624 | return EFI_UNSUPPORTED;\r | |
625 | }\r | |
626 | } else {\r | |
627 | DEBUG ((EFI_D_ERROR, "Not a SD2.0 Card\n"));\r | |
628 | }\r | |
629 | \r | |
630 | // We need to wait for the MMC or SD card is ready => (gCardInfo.OCRData.PowerUp == 1)\r | |
631 | Timeout = MAX_RETRY_COUNT;\r | |
632 | while (Timeout > 0) {\r | |
633 | // SD Card or MMC Card ? CMD55 indicates to the card that the next command is an application specific command\r | |
634 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD55, 0);\r | |
635 | if (Status == EFI_SUCCESS) {\r | |
636 | DEBUG ((EFI_D_INFO, "Card should be SD\n"));\r | |
637 | if (IsHCS) {\r | |
638 | MmcHostInstance->CardInfo.CardType = SD_CARD_2;\r | |
639 | } else {\r | |
640 | MmcHostInstance->CardInfo.CardType = SD_CARD;\r | |
641 | }\r | |
642 | \r | |
643 | // Note: The first time CmdArg will be zero\r | |
644 | CmdArg = ((UINTN *) &(MmcHostInstance->CardInfo.OCRData))[0];\r | |
645 | if (IsHCS) {\r | |
646 | CmdArg |= BIT30;\r | |
647 | }\r | |
648 | Status = MmcHost->SendCommand (MmcHost, MMC_ACMD41, CmdArg);\r | |
649 | if (!EFI_ERROR (Status)) {\r | |
650 | Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR, Response);\r | |
651 | if (EFI_ERROR (Status)) {\r | |
652 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive OCR, Status=%r.\n", Status));\r | |
653 | return Status;\r | |
654 | }\r | |
655 | ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];\r | |
656 | }\r | |
657 | } else {\r | |
658 | DEBUG ((EFI_D_INFO, "Card should be MMC\n"));\r | |
659 | MmcHostInstance->CardInfo.CardType = MMC_CARD;\r | |
660 | \r | |
661 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD1, 0x800000);\r | |
662 | if (!EFI_ERROR (Status)) {\r | |
663 | Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR, Response);\r | |
664 | if (EFI_ERROR (Status)) {\r | |
665 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive OCR, Status=%r.\n", Status));\r | |
666 | return Status;\r | |
667 | }\r | |
668 | ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];\r | |
669 | }\r | |
670 | }\r | |
671 | \r | |
672 | if (!EFI_ERROR (Status)) {\r | |
673 | if (!MmcHostInstance->CardInfo.OCRData.PowerUp) {\r | |
eff98cf9 | 674 | gBS->Stall (1);\r |
b4fdedc2 OM |
675 | Timeout--;\r |
676 | } else {\r | |
677 | if ((MmcHostInstance->CardInfo.CardType == SD_CARD_2) && (MmcHostInstance->CardInfo.OCRData.AccessMode & BIT1)) {\r | |
678 | MmcHostInstance->CardInfo.CardType = SD_CARD_2_HIGH;\r | |
679 | DEBUG ((EFI_D_ERROR, "High capacity card.\n"));\r | |
680 | }\r | |
681 | break; // The MMC/SD card is ready. Continue the Identification Mode\r | |
682 | }\r | |
683 | } else {\r | |
eff98cf9 | 684 | gBS->Stall (1);\r |
b4fdedc2 OM |
685 | Timeout--;\r |
686 | }\r | |
687 | }\r | |
688 | \r | |
689 | if (Timeout == 0) {\r | |
690 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(): No Card\n"));\r | |
691 | return EFI_NO_MEDIA;\r | |
692 | } else {\r | |
693 | PrintOCR (Response[0]);\r | |
694 | }\r | |
695 | \r | |
696 | Status = MmcNotifyState (MmcHostInstance, MmcReadyState);\r | |
697 | if (EFI_ERROR (Status)) {\r | |
698 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcReadyState\n"));\r | |
699 | return Status;\r | |
700 | }\r | |
701 | \r | |
702 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD2, 0);\r | |
703 | if (EFI_ERROR (Status)) {\r | |
704 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD2): Error\n"));\r | |
705 | return Status;\r | |
706 | }\r | |
707 | Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CID, Response);\r | |
708 | if (EFI_ERROR (Status)) {\r | |
709 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive CID, Status=%r.\n", Status));\r | |
710 | return Status;\r | |
711 | }\r | |
712 | \r | |
713 | PrintCID (Response);\r | |
714 | \r | |
715 | Status = MmcHost->NotifyState (MmcHost, MmcIdentificationState);\r | |
716 | if (EFI_ERROR (Status)) {\r | |
717 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdentificationState\n"));\r | |
718 | return Status;\r | |
719 | }\r | |
720 | \r | |
721 | //\r | |
722 | // Note, SD specifications say that "if the command execution causes a state change, it\r | |
723 | // will be visible to the host in the response to the next command"\r | |
724 | // The status returned for this CMD3 will be 2 - identification\r | |
725 | //\r | |
726 | CmdArg = 1;\r | |
727 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD3, CmdArg);\r | |
728 | if (EFI_ERROR (Status)) {\r | |
729 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD3): Error\n"));\r | |
730 | return Status;\r | |
731 | }\r | |
732 | \r | |
733 | Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_RCA, Response);\r | |
734 | if (EFI_ERROR (Status)) {\r | |
735 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive RCA, Status=%r.\n", Status));\r | |
736 | return Status;\r | |
737 | }\r | |
738 | PrintRCA (Response[0]);\r | |
739 | \r | |
740 | // For MMC card, RCA is assigned by CMD3 while CMD3 dumps the RCA for SD card\r | |
741 | if (MmcHostInstance->CardInfo.CardType != MMC_CARD) {\r | |
742 | MmcHostInstance->CardInfo.RCA = Response[0] >> 16;\r | |
743 | } else {\r | |
744 | MmcHostInstance->CardInfo.RCA = CmdArg;\r | |
745 | }\r | |
746 | Status = MmcNotifyState (MmcHostInstance, MmcStandByState);\r | |
747 | if (EFI_ERROR (Status)) {\r | |
748 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcStandByState\n"));\r | |
749 | return Status;\r | |
750 | }\r | |
751 | \r | |
752 | return EFI_SUCCESS;\r | |
753 | }\r | |
754 | \r | |
755 | EFI_STATUS\r | |
756 | InitializeMmcDevice (\r | |
757 | IN MMC_HOST_INSTANCE *MmcHostInstance\r | |
758 | )\r | |
759 | {\r | |
760 | EFI_STATUS Status;\r | |
761 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
762 | UINTN BlockCount;\r | |
763 | \r | |
764 | BlockCount = 1;\r | |
765 | MmcHost = MmcHostInstance->MmcHost;\r | |
766 | \r | |
767 | Status = MmcIdentificationMode (MmcHostInstance);\r | |
768 | if (EFI_ERROR (Status)) {\r | |
769 | DEBUG((EFI_D_ERROR, "InitializeMmcDevice(): Error in Identification Mode, Status=%r\n", Status));\r | |
770 | return Status;\r | |
771 | }\r | |
772 | \r | |
773 | Status = MmcNotifyState (MmcHostInstance, MmcTransferState);\r | |
774 | if (EFI_ERROR (Status)) {\r | |
775 | DEBUG((EFI_D_ERROR, "InitializeMmcDevice(): Error MmcTransferState, Status=%r\n", Status));\r | |
776 | return Status;\r | |
777 | }\r | |
778 | \r | |
779 | if (MmcHostInstance->CardInfo.CardType != EMMC_CARD) {\r | |
780 | Status = InitializeSdMmcDevice (MmcHostInstance);\r | |
752ae805 HZ |
781 | } else {\r |
782 | Status = InitializeEmmcDevice (MmcHostInstance);\r | |
783 | }\r | |
784 | if (EFI_ERROR (Status)) {\r | |
785 | return Status;\r | |
b4fdedc2 OM |
786 | }\r |
787 | \r | |
788 | // Set Block Length\r | |
789 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD16, MmcHostInstance->BlockIo.Media->BlockSize);\r | |
790 | if (EFI_ERROR (Status)) {\r | |
791 | DEBUG((EFI_D_ERROR, "InitializeMmcDevice(MMC_CMD16): Error MmcHostInstance->BlockIo.Media->BlockSize: %d and Error = %r\n",\r | |
792 | MmcHostInstance->BlockIo.Media->BlockSize, Status));\r | |
793 | return Status;\r | |
794 | }\r | |
795 | \r | |
796 | // Block Count (not used). Could return an error for SD card\r | |
797 | if (MmcHostInstance->CardInfo.CardType == MMC_CARD) {\r | |
798 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD23, BlockCount);\r | |
799 | if (EFI_ERROR (Status)) {\r | |
800 | DEBUG((EFI_D_ERROR, "InitializeMmcDevice(MMC_CMD23): Error, Status=%r\n", Status));\r | |
801 | return Status;\r | |
802 | }\r | |
803 | }\r | |
804 | \r | |
805 | return EFI_SUCCESS;\r | |
806 | }\r |