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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 | |
b4fdedc2 OM |
15 | #include "Mmc.h"\r |
16 | \r | |
17 | typedef union {\r | |
18 | UINT32 Raw;\r | |
19 | OCR Ocr;\r | |
20 | } OCR_RESPONSE;\r | |
21 | \r | |
22 | #define MAX_RETRY_COUNT 1000\r | |
23 | #define CMD_RETRY_COUNT 20\r | |
24 | #define RCA_SHIFT_OFFSET 16\r | |
25 | #define EMMC_CARD_SIZE 512\r | |
26 | #define EMMC_ECSD_SIZE_OFFSET 53\r | |
27 | \r | |
752ae805 HZ |
28 | #define EXTCSD_BUS_WIDTH 183\r |
29 | #define EXTCSD_HS_TIMING 185\r | |
30 | \r | |
31 | #define EMMC_TIMING_BACKWARD 0\r | |
32 | #define EMMC_TIMING_HS 1\r | |
33 | #define EMMC_TIMING_HS200 2\r | |
34 | #define EMMC_TIMING_HS400 3\r | |
35 | \r | |
36 | #define EMMC_BUS_WIDTH_1BIT 0\r | |
37 | #define EMMC_BUS_WIDTH_4BIT 1\r | |
38 | #define EMMC_BUS_WIDTH_8BIT 2\r | |
39 | #define EMMC_BUS_WIDTH_DDR_4BIT 5\r | |
40 | #define EMMC_BUS_WIDTH_DDR_8BIT 6\r | |
41 | \r | |
42 | #define EMMC_SWITCH_ERROR (1 << 7)\r | |
43 | \r | |
44 | #define DEVICE_STATE(x) (((x) >> 9) & 0xf)\r | |
45 | typedef enum _EMMC_DEVICE_STATE {\r | |
46 | EMMC_IDLE_STATE = 0,\r | |
47 | EMMC_READY_STATE,\r | |
48 | EMMC_IDENT_STATE,\r | |
49 | EMMC_STBY_STATE,\r | |
50 | EMMC_TRAN_STATE,\r | |
51 | EMMC_DATA_STATE,\r | |
52 | EMMC_RCV_STATE,\r | |
53 | EMMC_PRG_STATE,\r | |
54 | EMMC_DIS_STATE,\r | |
55 | EMMC_BTST_STATE,\r | |
56 | EMMC_SLP_STATE\r | |
57 | } EMMC_DEVICE_STATE;\r | |
58 | \r | |
b4fdedc2 OM |
59 | UINT32 mEmmcRcaCount = 0;\r |
60 | \r | |
752ae805 HZ |
61 | STATIC\r |
62 | EFI_STATUS\r | |
63 | EFIAPI\r | |
64 | EmmcGetDeviceState (\r | |
65 | IN MMC_HOST_INSTANCE *MmcHostInstance,\r | |
66 | OUT EMMC_DEVICE_STATE *State\r | |
67 | )\r | |
68 | {\r | |
69 | EFI_MMC_HOST_PROTOCOL *Host;\r | |
70 | EFI_STATUS Status;\r | |
71 | UINT32 Data, RCA;\r | |
72 | \r | |
73 | if (State == NULL) {\r | |
74 | return EFI_INVALID_PARAMETER;\r | |
75 | }\r | |
76 | \r | |
77 | Host = MmcHostInstance->MmcHost;\r | |
78 | RCA = MmcHostInstance->CardInfo.RCA << RCA_SHIFT_OFFSET;\r | |
79 | Status = Host->SendCommand (Host, MMC_CMD13, RCA);\r | |
80 | if (EFI_ERROR (Status)) {\r | |
81 | DEBUG ((EFI_D_ERROR, "EmmcGetDeviceState(): Failed to get card status, Status=%r.\n", Status));\r | |
82 | return Status;\r | |
83 | }\r | |
84 | Status = Host->ReceiveResponse (Host, MMC_RESPONSE_TYPE_R1, &Data);\r | |
85 | if (EFI_ERROR (Status)) {\r | |
86 | DEBUG ((EFI_D_ERROR, "EmmcGetDeviceState(): Failed to get response of CMD13, Status=%r.\n", Status));\r | |
87 | return Status;\r | |
88 | }\r | |
89 | if (Data & EMMC_SWITCH_ERROR) {\r | |
90 | DEBUG ((EFI_D_ERROR, "EmmcGetDeviceState(): Failed to switch expected mode, Status=%r.\n", Status));\r | |
91 | return EFI_DEVICE_ERROR;\r | |
92 | }\r | |
93 | *State = DEVICE_STATE(Data);\r | |
94 | return EFI_SUCCESS;\r | |
95 | }\r | |
96 | \r | |
97 | STATIC\r | |
98 | EFI_STATUS\r | |
99 | EFIAPI\r | |
100 | EmmcSetEXTCSD (\r | |
101 | IN MMC_HOST_INSTANCE *MmcHostInstance,\r | |
102 | UINT32 ExtCmdIndex,\r | |
103 | UINT32 Value\r | |
104 | )\r | |
105 | {\r | |
106 | EFI_MMC_HOST_PROTOCOL *Host;\r | |
107 | EMMC_DEVICE_STATE State;\r | |
108 | EFI_STATUS Status;\r | |
109 | UINT32 Argument;\r | |
110 | \r | |
111 | Host = MmcHostInstance->MmcHost;\r | |
112 | Argument = EMMC_CMD6_ARG_ACCESS(3) | EMMC_CMD6_ARG_INDEX(ExtCmdIndex) |\r | |
113 | EMMC_CMD6_ARG_VALUE(Value) | EMMC_CMD6_ARG_CMD_SET(1);\r | |
114 | Status = Host->SendCommand (Host, MMC_CMD6, Argument);\r | |
115 | if (EFI_ERROR (Status)) {\r | |
116 | DEBUG ((EFI_D_ERROR, "EmmcSetEXTCSD(): Failed to send CMD6, Status=%r.\n", Status));\r | |
117 | return Status;\r | |
118 | }\r | |
119 | // Make sure device exiting prog mode\r | |
120 | do {\r | |
121 | Status = EmmcGetDeviceState (MmcHostInstance, &State);\r | |
122 | if (EFI_ERROR (Status)) {\r | |
123 | DEBUG ((EFI_D_ERROR, "EmmcSetEXTCSD(): Failed to get device state, Status=%r.\n", Status));\r | |
124 | return Status;\r | |
125 | }\r | |
126 | } while (State == EMMC_PRG_STATE);\r | |
127 | return EFI_SUCCESS;\r | |
128 | }\r | |
129 | \r | |
b4fdedc2 OM |
130 | STATIC\r |
131 | EFI_STATUS\r | |
132 | EFIAPI\r | |
133 | EmmcIdentificationMode (\r | |
134 | IN MMC_HOST_INSTANCE *MmcHostInstance,\r | |
135 | IN OCR_RESPONSE Response\r | |
136 | )\r | |
137 | {\r | |
138 | EFI_MMC_HOST_PROTOCOL *Host;\r | |
139 | EFI_BLOCK_IO_MEDIA *Media;\r | |
140 | EFI_STATUS Status;\r | |
752ae805 | 141 | EMMC_DEVICE_STATE State;\r |
b4fdedc2 | 142 | UINT32 RCA;\r |
b4fdedc2 OM |
143 | \r |
144 | Host = MmcHostInstance->MmcHost;\r | |
145 | Media = MmcHostInstance->BlockIo.Media;\r | |
146 | \r | |
147 | // Fetch card identity register\r | |
148 | Status = Host->SendCommand (Host, MMC_CMD2, 0);\r | |
149 | if (EFI_ERROR (Status)) {\r | |
150 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Failed to send CMD2, Status=%r.\n", Status));\r | |
151 | return Status;\r | |
152 | }\r | |
153 | \r | |
154 | Status = Host->ReceiveResponse (Host, MMC_RESPONSE_TYPE_R2, (UINT32 *)&(MmcHostInstance->CardInfo.CIDData));\r | |
155 | if (EFI_ERROR (Status)) {\r | |
156 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): CID retrieval error, Status=%r.\n", Status));\r | |
157 | return Status;\r | |
158 | }\r | |
159 | \r | |
160 | // Assign a relative address value to the card\r | |
161 | MmcHostInstance->CardInfo.RCA = ++mEmmcRcaCount; // TODO: might need a more sophisticated way of doing this\r | |
162 | RCA = MmcHostInstance->CardInfo.RCA << RCA_SHIFT_OFFSET;\r | |
163 | Status = Host->SendCommand (Host, MMC_CMD3, RCA);\r | |
164 | if (EFI_ERROR (Status)) {\r | |
165 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): RCA set error, Status=%r.\n", Status));\r | |
166 | return Status;\r | |
167 | }\r | |
168 | \r | |
169 | // Fetch card specific data\r | |
170 | Status = Host->SendCommand (Host, MMC_CMD9, RCA);\r | |
171 | if (EFI_ERROR (Status)) {\r | |
172 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Failed to send CMD9, Status=%r.\n", Status));\r | |
173 | return Status;\r | |
174 | }\r | |
175 | \r | |
176 | Status = Host->ReceiveResponse (Host, MMC_RESPONSE_TYPE_R2, (UINT32 *)&(MmcHostInstance->CardInfo.CSDData));\r | |
177 | if (EFI_ERROR (Status)) {\r | |
178 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): CSD retrieval error, Status=%r.\n", Status));\r | |
179 | return Status;\r | |
180 | }\r | |
181 | \r | |
182 | // Select the card\r | |
183 | Status = Host->SendCommand (Host, MMC_CMD7, RCA);\r | |
184 | if (EFI_ERROR (Status)) {\r | |
185 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Card selection error, Status=%r.\n", Status));\r | |
186 | }\r | |
187 | \r | |
752ae805 HZ |
188 | if (MMC_HOST_HAS_SETIOS(Host)) {\r |
189 | // Set 1-bit bus width\r | |
190 | Status = Host->SetIos (Host, 0, 1, EMMCBACKWARD);\r | |
191 | if (EFI_ERROR (Status)) {\r | |
192 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Set 1-bit bus width error, Status=%r.\n", Status));\r | |
193 | return Status;\r | |
194 | }\r | |
195 | \r | |
196 | // Set 1-bit bus width for EXTCSD\r | |
197 | Status = EmmcSetEXTCSD (MmcHostInstance, EXTCSD_BUS_WIDTH, EMMC_BUS_WIDTH_1BIT);\r | |
198 | if (EFI_ERROR (Status)) {\r | |
199 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Set extcsd bus width error, Status=%r.\n", Status));\r | |
200 | return Status;\r | |
201 | }\r | |
202 | }\r | |
203 | \r | |
b4fdedc2 OM |
204 | // Fetch ECSD\r |
205 | Status = Host->SendCommand (Host, MMC_CMD8, RCA);\r | |
206 | if (EFI_ERROR (Status)) {\r | |
207 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): ECSD fetch error, Status=%r.\n", Status));\r | |
208 | }\r | |
209 | \r | |
e88fcb47 | 210 | Status = Host->ReadBlockData (Host, 0, 512, (UINT32 *)&(MmcHostInstance->CardInfo.ECSDData));\r |
b4fdedc2 OM |
211 | if (EFI_ERROR (Status)) {\r |
212 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): ECSD read error, Status=%r.\n", Status));\r | |
213 | return Status;\r | |
214 | }\r | |
215 | \r | |
752ae805 HZ |
216 | // Make sure device exiting data mode\r |
217 | do {\r | |
218 | Status = EmmcGetDeviceState (MmcHostInstance, &State);\r | |
219 | if (EFI_ERROR (Status)) {\r | |
220 | DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Failed to get device state, Status=%r.\n", Status));\r | |
221 | return Status;\r | |
222 | }\r | |
223 | } while (State == EMMC_DATA_STATE);\r | |
224 | \r | |
b4fdedc2 OM |
225 | // Set up media\r |
226 | Media->BlockSize = EMMC_CARD_SIZE; // 512-byte support is mandatory for eMMC cards\r | |
227 | Media->MediaId = MmcHostInstance->CardInfo.CIDData.PSN;\r | |
228 | Media->ReadOnly = MmcHostInstance->CardInfo.CSDData.PERM_WRITE_PROTECT;\r | |
229 | Media->LogicalBlocksPerPhysicalBlock = 1;\r | |
230 | Media->IoAlign = 4;\r | |
231 | // Compute last block using bits [215:212] of the ECSD\r | |
e88fcb47 | 232 | Media->LastBlock = MmcHostInstance->CardInfo.ECSDData.SECTOR_COUNT - 1; // eMMC isn't supposed to report this for\r |
b4fdedc2 OM |
233 | // Cards <2GB in size, but the model does.\r |
234 | \r | |
235 | // Setup card type\r | |
236 | MmcHostInstance->CardInfo.CardType = EMMC_CARD;\r | |
237 | return EFI_SUCCESS;\r | |
238 | }\r | |
239 | \r | |
752ae805 HZ |
240 | STATIC\r |
241 | EFI_STATUS\r | |
242 | InitializeEmmcDevice (\r | |
243 | IN MMC_HOST_INSTANCE *MmcHostInstance\r | |
244 | )\r | |
245 | {\r | |
246 | EFI_MMC_HOST_PROTOCOL *Host;\r | |
247 | EFI_STATUS Status = EFI_SUCCESS;\r | |
248 | ECSD *ECSDData;\r | |
249 | UINT32 BusClockFreq, Idx;\r | |
250 | UINT32 TimingMode[4] = {EMMCHS52DDR1V2, EMMCHS52DDR1V8, EMMCHS52, EMMCHS26};\r | |
251 | \r | |
252 | Host = MmcHostInstance->MmcHost;\r | |
253 | ECSDData = &MmcHostInstance->CardInfo.ECSDData;\r | |
254 | if (ECSDData->DEVICE_TYPE == EMMCBACKWARD)\r | |
255 | return EFI_SUCCESS;\r | |
256 | \r | |
257 | if (!MMC_HOST_HAS_SETIOS(Host)) {\r | |
258 | return EFI_SUCCESS;\r | |
259 | }\r | |
260 | Status = EmmcSetEXTCSD (MmcHostInstance, EXTCSD_HS_TIMING, EMMC_TIMING_HS);\r | |
261 | if (EFI_ERROR (Status)) {\r | |
262 | DEBUG ((DEBUG_ERROR, "InitializeEmmcDevice(): Failed to switch high speed mode, Status:%r.\n", Status));\r | |
263 | return Status;\r | |
264 | }\r | |
265 | \r | |
266 | for (Idx = 0; Idx < 4; Idx++) {\r | |
267 | switch (TimingMode[Idx]) {\r | |
268 | case EMMCHS52DDR1V2:\r | |
269 | case EMMCHS52DDR1V8:\r | |
270 | case EMMCHS52:\r | |
271 | BusClockFreq = 52000000;\r | |
272 | break;\r | |
273 | case EMMCHS26:\r | |
274 | BusClockFreq = 26000000;\r | |
275 | break;\r | |
276 | default:\r | |
277 | return EFI_UNSUPPORTED;\r | |
278 | }\r | |
279 | Status = Host->SetIos (Host, BusClockFreq, 8, TimingMode[Idx]);\r | |
280 | if (!EFI_ERROR (Status)) {\r | |
281 | Status = EmmcSetEXTCSD (MmcHostInstance, EXTCSD_BUS_WIDTH, EMMC_BUS_WIDTH_DDR_8BIT);\r | |
282 | if (EFI_ERROR (Status)) {\r | |
283 | DEBUG ((DEBUG_ERROR, "InitializeEmmcDevice(): Failed to set EXTCSD bus width, Status:%r\n", Status));\r | |
284 | }\r | |
285 | return Status;\r | |
286 | }\r | |
287 | }\r | |
288 | return Status;\r | |
289 | }\r | |
290 | \r | |
b4fdedc2 OM |
291 | STATIC\r |
292 | EFI_STATUS\r | |
293 | InitializeSdMmcDevice (\r | |
294 | IN MMC_HOST_INSTANCE *MmcHostInstance\r | |
295 | )\r | |
296 | {\r | |
297 | UINT32 CmdArg;\r | |
298 | UINT32 Response[4];\r | |
299 | UINTN BlockSize;\r | |
300 | UINTN CardSize;\r | |
301 | UINTN NumBlocks;\r | |
302 | EFI_STATUS Status;\r | |
303 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
304 | \r | |
305 | MmcHost = MmcHostInstance->MmcHost;\r | |
306 | \r | |
307 | // Send a command to get Card specific data\r | |
308 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
309 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD9, CmdArg);\r | |
310 | if (EFI_ERROR (Status)) {\r | |
311 | DEBUG((EFI_D_ERROR, "InitializeSdMmcDevice(MMC_CMD9): Error, Status=%r\n", Status));\r | |
312 | return Status;\r | |
313 | }\r | |
314 | \r | |
315 | // Read Response\r | |
316 | Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CSD, Response);\r | |
317 | if (EFI_ERROR (Status)) {\r | |
318 | DEBUG((EFI_D_ERROR, "InitializeSdMmcDevice(): Failed to receive CSD, Status=%r\n", Status));\r | |
319 | return Status;\r | |
320 | }\r | |
321 | PrintCSD (Response);\r | |
322 | \r | |
323 | if (MmcHostInstance->CardInfo.CardType == SD_CARD_2_HIGH) {\r | |
324 | CardSize = HC_MMC_CSD_GET_DEVICESIZE (Response);\r | |
325 | NumBlocks = ((CardSize + 1) * 1024);\r | |
326 | BlockSize = 1 << MMC_CSD_GET_READBLLEN (Response);\r | |
327 | } else {\r | |
328 | CardSize = MMC_CSD_GET_DEVICESIZE (Response);\r | |
329 | NumBlocks = (CardSize + 1) * (1 << (MMC_CSD_GET_DEVICESIZEMULT (Response) + 2));\r | |
330 | BlockSize = 1 << MMC_CSD_GET_READBLLEN (Response);\r | |
331 | }\r | |
332 | \r | |
333 | // For >=2G card, BlockSize may be 1K, but the transfer size is 512 bytes.\r | |
334 | if (BlockSize > 512) {\r | |
335 | NumBlocks = MultU64x32 (NumBlocks, BlockSize / 512);\r | |
336 | BlockSize = 512;\r | |
337 | }\r | |
338 | \r | |
339 | MmcHostInstance->BlockIo.Media->LastBlock = (NumBlocks - 1);\r | |
340 | MmcHostInstance->BlockIo.Media->BlockSize = BlockSize;\r | |
341 | MmcHostInstance->BlockIo.Media->ReadOnly = MmcHost->IsReadOnly (MmcHost);\r | |
342 | MmcHostInstance->BlockIo.Media->MediaPresent = TRUE;\r | |
343 | MmcHostInstance->BlockIo.Media->MediaId++;\r | |
344 | \r | |
345 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
346 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD7, CmdArg);\r | |
347 | if (EFI_ERROR (Status)) {\r | |
348 | DEBUG((EFI_D_ERROR, "InitializeSdMmcDevice(MMC_CMD7): Error and Status = %r\n", Status));\r | |
349 | return Status;\r | |
350 | }\r | |
351 | \r | |
352 | return EFI_SUCCESS;\r | |
353 | }\r | |
354 | \r | |
355 | STATIC\r | |
356 | EFI_STATUS\r | |
357 | EFIAPI\r | |
358 | MmcIdentificationMode (\r | |
359 | IN MMC_HOST_INSTANCE *MmcHostInstance\r | |
360 | )\r | |
361 | {\r | |
362 | EFI_STATUS Status;\r | |
363 | UINT32 Response[4];\r | |
364 | UINTN Timeout;\r | |
365 | UINTN CmdArg;\r | |
366 | BOOLEAN IsHCS;\r | |
367 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
368 | OCR_RESPONSE OcrResponse;\r | |
369 | \r | |
370 | MmcHost = MmcHostInstance->MmcHost;\r | |
371 | CmdArg = 0;\r | |
372 | IsHCS = FALSE;\r | |
373 | \r | |
374 | if (MmcHost == NULL) {\r | |
375 | return EFI_INVALID_PARAMETER;\r | |
376 | }\r | |
377 | \r | |
378 | // We can get into this function if we restart the identification mode\r | |
379 | if (MmcHostInstance->State == MmcHwInitializationState) {\r | |
380 | // Initialize the MMC Host HW\r | |
381 | Status = MmcNotifyState (MmcHostInstance, MmcHwInitializationState);\r | |
382 | if (EFI_ERROR (Status)) {\r | |
383 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcHwInitializationState, Status=%r.\n", Status));\r | |
384 | return Status;\r | |
385 | }\r | |
386 | }\r | |
387 | \r | |
388 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD0, 0);\r | |
389 | if (EFI_ERROR (Status)) {\r | |
390 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD0): Error, Status=%r.\n", Status));\r | |
391 | return Status;\r | |
392 | }\r | |
393 | Status = MmcNotifyState (MmcHostInstance, MmcIdleState);\r | |
394 | if (EFI_ERROR (Status)) {\r | |
395 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdleState, Status=%r.\n", Status));\r | |
396 | return Status;\r | |
397 | }\r | |
398 | \r | |
139b5773 OM |
399 | // Send CMD1 to get OCR (MMC)\r |
400 | // This command only valid for MMC and eMMC\r | |
32010753 HZ |
401 | Timeout = MAX_RETRY_COUNT;\r |
402 | do {\r | |
403 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD1, EMMC_CMD1_CAPACITY_GREATER_THAN_2GB);\r | |
404 | if (EFI_ERROR (Status))\r | |
405 | break;\r | |
b4fdedc2 OM |
406 | Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR, (UINT32 *)&OcrResponse);\r |
407 | if (EFI_ERROR (Status)) {\r | |
408 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive OCR, Status=%r.\n", Status));\r | |
409 | return Status;\r | |
410 | }\r | |
32010753 HZ |
411 | Timeout--;\r |
412 | } while (!OcrResponse.Ocr.PowerUp && (Timeout > 0));\r | |
413 | if (Status == EFI_SUCCESS) {\r | |
b4fdedc2 OM |
414 | if (!OcrResponse.Ocr.PowerUp) {\r |
415 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD1): Card initialisation failure, Status=%r.\n", Status));\r | |
416 | return EFI_DEVICE_ERROR;\r | |
417 | }\r | |
418 | OcrResponse.Ocr.PowerUp = 0;\r | |
419 | if (OcrResponse.Raw == EMMC_CMD1_CAPACITY_GREATER_THAN_2GB) {\r | |
420 | MmcHostInstance->CardInfo.OCRData.AccessMode = BIT1;\r | |
421 | }\r | |
422 | else {\r | |
423 | MmcHostInstance->CardInfo.OCRData.AccessMode = 0x0;\r | |
424 | }\r | |
139b5773 | 425 | // Check whether MMC or eMMC\r |
b4fdedc2 OM |
426 | if (OcrResponse.Raw == EMMC_CMD1_CAPACITY_GREATER_THAN_2GB ||\r |
427 | OcrResponse.Raw == EMMC_CMD1_CAPACITY_LESS_THAN_2GB) {\r | |
428 | return EmmcIdentificationMode (MmcHostInstance, OcrResponse);\r | |
429 | }\r | |
b4fdedc2 OM |
430 | }\r |
431 | \r | |
432 | // Are we using SDIO ?\r | |
433 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD5, 0);\r | |
434 | if (Status == EFI_SUCCESS) {\r | |
435 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD5): Error - SDIO not supported, Status=%r.\n", Status));\r | |
436 | return EFI_UNSUPPORTED;\r | |
437 | }\r | |
438 | \r | |
439 | // Check which kind of card we are using. Ver2.00 or later SD Memory Card (PL180 is SD v1.1)\r | |
440 | CmdArg = (0x0UL << 12 | BIT8 | 0xCEUL << 0);\r | |
441 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD8, CmdArg);\r | |
442 | if (Status == EFI_SUCCESS) {\r | |
443 | DEBUG ((EFI_D_ERROR, "Card is SD2.0 => Supports high capacity\n"));\r | |
444 | IsHCS = TRUE;\r | |
445 | Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R7, Response);\r | |
446 | if (EFI_ERROR (Status)) {\r | |
447 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive response to CMD8, Status=%r.\n", Status));\r | |
448 | return Status;\r | |
449 | }\r | |
450 | PrintResponseR1 (Response[0]);\r | |
451 | // Check if it is valid response\r | |
452 | if (Response[0] != CmdArg) {\r | |
453 | DEBUG ((EFI_D_ERROR, "The Card is not usable\n"));\r | |
454 | return EFI_UNSUPPORTED;\r | |
455 | }\r | |
456 | } else {\r | |
457 | DEBUG ((EFI_D_ERROR, "Not a SD2.0 Card\n"));\r | |
458 | }\r | |
459 | \r | |
460 | // We need to wait for the MMC or SD card is ready => (gCardInfo.OCRData.PowerUp == 1)\r | |
461 | Timeout = MAX_RETRY_COUNT;\r | |
462 | while (Timeout > 0) {\r | |
463 | // SD Card or MMC Card ? CMD55 indicates to the card that the next command is an application specific command\r | |
464 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD55, 0);\r | |
465 | if (Status == EFI_SUCCESS) {\r | |
466 | DEBUG ((EFI_D_INFO, "Card should be SD\n"));\r | |
467 | if (IsHCS) {\r | |
468 | MmcHostInstance->CardInfo.CardType = SD_CARD_2;\r | |
469 | } else {\r | |
470 | MmcHostInstance->CardInfo.CardType = SD_CARD;\r | |
471 | }\r | |
472 | \r | |
473 | // Note: The first time CmdArg will be zero\r | |
474 | CmdArg = ((UINTN *) &(MmcHostInstance->CardInfo.OCRData))[0];\r | |
475 | if (IsHCS) {\r | |
476 | CmdArg |= BIT30;\r | |
477 | }\r | |
478 | Status = MmcHost->SendCommand (MmcHost, MMC_ACMD41, CmdArg);\r | |
479 | if (!EFI_ERROR (Status)) {\r | |
480 | Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR, Response);\r | |
481 | if (EFI_ERROR (Status)) {\r | |
482 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive OCR, Status=%r.\n", Status));\r | |
483 | return Status;\r | |
484 | }\r | |
485 | ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];\r | |
486 | }\r | |
487 | } else {\r | |
488 | DEBUG ((EFI_D_INFO, "Card should be MMC\n"));\r | |
489 | MmcHostInstance->CardInfo.CardType = MMC_CARD;\r | |
490 | \r | |
491 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD1, 0x800000);\r | |
492 | if (!EFI_ERROR (Status)) {\r | |
493 | Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR, Response);\r | |
494 | if (EFI_ERROR (Status)) {\r | |
495 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive OCR, Status=%r.\n", Status));\r | |
496 | return Status;\r | |
497 | }\r | |
498 | ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];\r | |
499 | }\r | |
500 | }\r | |
501 | \r | |
502 | if (!EFI_ERROR (Status)) {\r | |
503 | if (!MmcHostInstance->CardInfo.OCRData.PowerUp) {\r | |
eff98cf9 | 504 | gBS->Stall (1);\r |
b4fdedc2 OM |
505 | Timeout--;\r |
506 | } else {\r | |
507 | if ((MmcHostInstance->CardInfo.CardType == SD_CARD_2) && (MmcHostInstance->CardInfo.OCRData.AccessMode & BIT1)) {\r | |
508 | MmcHostInstance->CardInfo.CardType = SD_CARD_2_HIGH;\r | |
509 | DEBUG ((EFI_D_ERROR, "High capacity card.\n"));\r | |
510 | }\r | |
511 | break; // The MMC/SD card is ready. Continue the Identification Mode\r | |
512 | }\r | |
513 | } else {\r | |
eff98cf9 | 514 | gBS->Stall (1);\r |
b4fdedc2 OM |
515 | Timeout--;\r |
516 | }\r | |
517 | }\r | |
518 | \r | |
519 | if (Timeout == 0) {\r | |
520 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(): No Card\n"));\r | |
521 | return EFI_NO_MEDIA;\r | |
522 | } else {\r | |
523 | PrintOCR (Response[0]);\r | |
524 | }\r | |
525 | \r | |
526 | Status = MmcNotifyState (MmcHostInstance, MmcReadyState);\r | |
527 | if (EFI_ERROR (Status)) {\r | |
528 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcReadyState\n"));\r | |
529 | return Status;\r | |
530 | }\r | |
531 | \r | |
532 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD2, 0);\r | |
533 | if (EFI_ERROR (Status)) {\r | |
534 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD2): Error\n"));\r | |
535 | return Status;\r | |
536 | }\r | |
537 | Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CID, Response);\r | |
538 | if (EFI_ERROR (Status)) {\r | |
539 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive CID, Status=%r.\n", Status));\r | |
540 | return Status;\r | |
541 | }\r | |
542 | \r | |
543 | PrintCID (Response);\r | |
544 | \r | |
545 | Status = MmcHost->NotifyState (MmcHost, MmcIdentificationState);\r | |
546 | if (EFI_ERROR (Status)) {\r | |
547 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdentificationState\n"));\r | |
548 | return Status;\r | |
549 | }\r | |
550 | \r | |
551 | //\r | |
552 | // Note, SD specifications say that "if the command execution causes a state change, it\r | |
553 | // will be visible to the host in the response to the next command"\r | |
554 | // The status returned for this CMD3 will be 2 - identification\r | |
555 | //\r | |
556 | CmdArg = 1;\r | |
557 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD3, CmdArg);\r | |
558 | if (EFI_ERROR (Status)) {\r | |
559 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD3): Error\n"));\r | |
560 | return Status;\r | |
561 | }\r | |
562 | \r | |
563 | Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_RCA, Response);\r | |
564 | if (EFI_ERROR (Status)) {\r | |
565 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive RCA, Status=%r.\n", Status));\r | |
566 | return Status;\r | |
567 | }\r | |
568 | PrintRCA (Response[0]);\r | |
569 | \r | |
570 | // For MMC card, RCA is assigned by CMD3 while CMD3 dumps the RCA for SD card\r | |
571 | if (MmcHostInstance->CardInfo.CardType != MMC_CARD) {\r | |
572 | MmcHostInstance->CardInfo.RCA = Response[0] >> 16;\r | |
573 | } else {\r | |
574 | MmcHostInstance->CardInfo.RCA = CmdArg;\r | |
575 | }\r | |
576 | Status = MmcNotifyState (MmcHostInstance, MmcStandByState);\r | |
577 | if (EFI_ERROR (Status)) {\r | |
578 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcStandByState\n"));\r | |
579 | return Status;\r | |
580 | }\r | |
581 | \r | |
582 | return EFI_SUCCESS;\r | |
583 | }\r | |
584 | \r | |
585 | EFI_STATUS\r | |
586 | InitializeMmcDevice (\r | |
587 | IN MMC_HOST_INSTANCE *MmcHostInstance\r | |
588 | )\r | |
589 | {\r | |
590 | EFI_STATUS Status;\r | |
591 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
592 | UINTN BlockCount;\r | |
593 | \r | |
594 | BlockCount = 1;\r | |
595 | MmcHost = MmcHostInstance->MmcHost;\r | |
596 | \r | |
597 | Status = MmcIdentificationMode (MmcHostInstance);\r | |
598 | if (EFI_ERROR (Status)) {\r | |
599 | DEBUG((EFI_D_ERROR, "InitializeMmcDevice(): Error in Identification Mode, Status=%r\n", Status));\r | |
600 | return Status;\r | |
601 | }\r | |
602 | \r | |
603 | Status = MmcNotifyState (MmcHostInstance, MmcTransferState);\r | |
604 | if (EFI_ERROR (Status)) {\r | |
605 | DEBUG((EFI_D_ERROR, "InitializeMmcDevice(): Error MmcTransferState, Status=%r\n", Status));\r | |
606 | return Status;\r | |
607 | }\r | |
608 | \r | |
609 | if (MmcHostInstance->CardInfo.CardType != EMMC_CARD) {\r | |
610 | Status = InitializeSdMmcDevice (MmcHostInstance);\r | |
752ae805 HZ |
611 | } else {\r |
612 | Status = InitializeEmmcDevice (MmcHostInstance);\r | |
613 | }\r | |
614 | if (EFI_ERROR (Status)) {\r | |
615 | return Status;\r | |
b4fdedc2 OM |
616 | }\r |
617 | \r | |
618 | // Set Block Length\r | |
619 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD16, MmcHostInstance->BlockIo.Media->BlockSize);\r | |
620 | if (EFI_ERROR (Status)) {\r | |
621 | DEBUG((EFI_D_ERROR, "InitializeMmcDevice(MMC_CMD16): Error MmcHostInstance->BlockIo.Media->BlockSize: %d and Error = %r\n",\r | |
622 | MmcHostInstance->BlockIo.Media->BlockSize, Status));\r | |
623 | return Status;\r | |
624 | }\r | |
625 | \r | |
626 | // Block Count (not used). Could return an error for SD card\r | |
627 | if (MmcHostInstance->CardInfo.CardType == MMC_CARD) {\r | |
628 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD23, BlockCount);\r | |
629 | if (EFI_ERROR (Status)) {\r | |
630 | DEBUG((EFI_D_ERROR, "InitializeMmcDevice(MMC_CMD23): Error, Status=%r\n", Status));\r | |
631 | return Status;\r | |
632 | }\r | |
633 | }\r | |
634 | \r | |
635 | return EFI_SUCCESS;\r | |
636 | }\r |