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1 | /** @file\r | |
2 | *\r | |
3 | * Copyright (c) 2011-2013, ARM Limited. All rights reserved.\r | |
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 | |
25 | #define MAX_RETRY_COUNT 1000\r | |
26 | #define CMD_RETRY_COUNT 20\r | |
27 | \r | |
28 | EFI_STATUS\r | |
29 | MmcNotifyState (\r | |
30 | IN MMC_HOST_INSTANCE *MmcHostInstance,\r | |
31 | IN MMC_STATE State\r | |
32 | )\r | |
33 | {\r | |
34 | MmcHostInstance->State = State;\r | |
35 | return MmcHostInstance->MmcHost->NotifyState (MmcHostInstance->MmcHost, State);\r | |
36 | }\r | |
37 | \r | |
38 | VOID\r | |
39 | PrintOCR (\r | |
40 | IN UINT32 Ocr\r | |
41 | )\r | |
42 | {\r | |
43 | UINTN MinV;\r | |
44 | UINTN MaxV;\r | |
45 | UINTN Volts;\r | |
46 | UINTN Loop;\r | |
47 | \r | |
48 | MinV = 36; // 3.6\r | |
49 | MaxV = 20; // 2.0\r | |
50 | Volts = 20; // 2.0\r | |
51 | \r | |
52 | // The MMC register bits [23:8] indicate the working range of the card\r | |
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 | |
57 | }\r | |
58 | Volts = Volts + 1;\r | |
59 | }\r | |
60 | \r | |
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 | |
63 | if (((Ocr >> 29) & 3) == 0) {\r | |
64 | DEBUG ((EFI_D_ERROR, "\t- AccessMode: Byte Mode\n"));\r | |
65 | } else {\r | |
66 | DEBUG ((EFI_D_ERROR, "\t- AccessMode: Block Mode (0x%X)\n", ((Ocr >> 29) & 3)));\r | |
67 | }\r | |
68 | \r | |
69 | if (Ocr & MMC_OCR_POWERUP) {\r | |
70 | DEBUG ((EFI_D_ERROR, "\t- PowerUp\n"));\r | |
71 | } else {\r | |
72 | DEBUG ((EFI_D_ERROR, "\t- Voltage Not Supported\n"));\r | |
73 | }\r | |
74 | }\r | |
75 | \r | |
76 | VOID PrintCID (\r | |
77 | IN UINT32* Cid\r | |
78 | )\r | |
79 | {\r | |
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 | |
86 | }\r | |
87 | \r | |
88 | #if !defined(MDEPKG_NDEBUG)\r | |
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 | |
93 | #endif\r | |
94 | \r | |
95 | VOID\r | |
96 | PrintCSD (\r | |
97 | IN UINT32* Csd\r | |
98 | )\r | |
99 | {\r | |
100 | UINTN Value;\r | |
101 | \r | |
102 | if (((Csd[2] >> 30) & 0x3) == 0) {\r | |
103 | DEBUG ((EFI_D_ERROR, "- PrintCSD Version 1.01-1.10/Version 2.00/Standard Capacity\n"));\r | |
104 | } else if (((Csd[2] >> 30) & 0x3) == 1) {\r | |
105 | DEBUG ((EFI_D_ERROR, "- PrintCSD Version 2.00/High Capacity\n"));\r | |
106 | } else {\r | |
107 | DEBUG ((EFI_D_ERROR, "- PrintCSD Version Higher than v3.3\n"));\r | |
108 | }\r | |
109 | \r | |
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 | |
114 | \r | |
115 | if (!MMC_CSD_GET_FILEFORMATGRP(Csd)) {\r | |
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 | |
121 | } else {\r | |
122 | DEBUG ((EFI_D_ERROR, "\t- Format: Reserved\n"));\r | |
123 | }\r | |
124 | }\r | |
125 | \r | |
126 | VOID\r | |
127 | PrintRCA (\r | |
128 | IN UINT32 Rca\r | |
129 | )\r | |
130 | {\r | |
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 | |
134 | }\r | |
135 | \r | |
136 | VOID\r | |
137 | PrintResponseR1 (\r | |
138 | IN UINT32 Response\r | |
139 | )\r | |
140 | {\r | |
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 | |
156 | }\r | |
157 | \r | |
158 | EFI_STATUS\r | |
159 | EFIAPI\r | |
160 | MmcGetCardStatus(\r | |
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 | |
179 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r | |
180 | if (EFI_ERROR (Status)) {\r | |
181 | DEBUG ((EFI_D_ERROR, "MmcGetCardStatus(MMC_CMD13): Error and Status = %r\n", Status));\r | |
182 | return Status;\r | |
183 | }\r | |
184 | \r | |
185 | //Read Response\r | |
186 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);\r | |
187 | PrintResponseR1 (Response[0]);\r | |
188 | }\r | |
189 | \r | |
190 | return Status;\r | |
191 | }\r | |
192 | \r | |
193 | EFI_STATUS\r | |
194 | EFIAPI\r | |
195 | MmcIdentificationMode (\r | |
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 | |
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 | |
218 | if (EFI_ERROR (Status)) {\r | |
219 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcHwInitializationState\n"));\r | |
220 | return Status;\r | |
221 | }\r | |
222 | }\r | |
223 | \r | |
224 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD0, 0);\r | |
225 | if (EFI_ERROR (Status)) {\r | |
226 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD0): Error\n"));\r | |
227 | return Status;\r | |
228 | }\r | |
229 | \r | |
230 | Status = MmcNotifyState (MmcHostInstance, MmcIdleState);\r | |
231 | if (EFI_ERROR (Status)) {\r | |
232 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdleState\n"));\r | |
233 | return Status;\r | |
234 | }\r | |
235 | \r | |
236 | // Are we using SDIO ?\r | |
237 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD5, 0);\r | |
238 | if (Status == EFI_SUCCESS) {\r | |
239 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD5): Error - SDIO not supported.\n"));\r | |
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 | |
245 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD8, CmdArg);\r | |
246 | if (Status == EFI_SUCCESS) {\r | |
247 | DEBUG ((EFI_D_ERROR, "Card is SD2.0 => Supports high capacity\n"));\r | |
248 | IsHCS = TRUE;\r | |
249 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R7, Response);\r | |
250 | PrintResponseR1 (Response[0]);\r | |
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 | |
255 | }\r | |
256 | } else {\r | |
257 | DEBUG ((EFI_D_ERROR, "Not a SD2.0 Card\n"));\r | |
258 | }\r | |
259 | \r | |
260 | // We need to wait for the MMC or SD card is ready => (gCardInfo.OCRData.PowerUp == 1)\r | |
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 | |
264 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD55, 0);\r | |
265 | if (Status == EFI_SUCCESS) {\r | |
266 | DEBUG ((EFI_D_INFO, "Card should be SD\n"));\r | |
267 | if (IsHCS) {\r | |
268 | MmcHostInstance->CardInfo.CardType = SD_CARD_2;\r | |
269 | } else {\r | |
270 | MmcHostInstance->CardInfo.CardType = SD_CARD;\r | |
271 | }\r | |
272 | \r | |
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 | |
278 | Status = MmcHost->SendCommand (MmcHost, MMC_ACMD41, CmdArg);\r | |
279 | if (!EFI_ERROR (Status)) {\r | |
280 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR, Response);\r | |
281 | ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];\r | |
282 | }\r | |
283 | } else {\r | |
284 | DEBUG ((EFI_D_INFO, "Card should be MMC\n"));\r | |
285 | MmcHostInstance->CardInfo.CardType = MMC_CARD;\r | |
286 | \r | |
287 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD1, 0x800000);\r | |
288 | if (!EFI_ERROR (Status)) {\r | |
289 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR, Response);\r | |
290 | ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];\r | |
291 | }\r | |
292 | }\r | |
293 | \r | |
294 | if (!EFI_ERROR (Status)) {\r | |
295 | if (!MmcHostInstance->CardInfo.OCRData.PowerUp) {\r | |
296 | MicroSecondDelay (1);\r | |
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 | |
305 | } else {\r | |
306 | MicroSecondDelay (1);\r | |
307 | Timeout--;\r | |
308 | }\r | |
309 | }\r | |
310 | \r | |
311 | if (Timeout == 0) {\r | |
312 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(): No Card\n"));\r | |
313 | return EFI_NO_MEDIA;\r | |
314 | } else {\r | |
315 | PrintOCR (Response[0]);\r | |
316 | }\r | |
317 | \r | |
318 | Status = MmcNotifyState (MmcHostInstance, MmcReadyState);\r | |
319 | if (EFI_ERROR (Status)) {\r | |
320 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcReadyState\n"));\r | |
321 | return Status;\r | |
322 | }\r | |
323 | \r | |
324 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD2, 0);\r | |
325 | if (EFI_ERROR (Status)) {\r | |
326 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD2): Error\n"));\r | |
327 | return Status;\r | |
328 | }\r | |
329 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CID, Response);\r | |
330 | PrintCID(Response);\r | |
331 | \r | |
332 | Status = MmcNotifyState (MmcHostInstance, MmcIdentificationState);\r | |
333 | if (EFI_ERROR (Status)) {\r | |
334 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdentificationState\n"));\r | |
335 | return Status;\r | |
336 | }\r | |
337 | \r | |
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 | |
344 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD3, CmdArg);\r | |
345 | if (EFI_ERROR (Status)) {\r | |
346 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD3): Error\n"));\r | |
347 | return Status;\r | |
348 | }\r | |
349 | \r | |
350 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_RCA, Response);\r | |
351 | PrintRCA (Response[0]);\r | |
352 | \r | |
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 | |
361 | if (EFI_ERROR (Status)) {\r | |
362 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcStandByState\n"));\r | |
363 | return Status;\r | |
364 | }\r | |
365 | \r | |
366 | return EFI_SUCCESS;\r | |
367 | }\r | |
368 | \r | |
369 | EFI_STATUS InitializeMmcDevice (\r | |
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 | |
385 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD9, CmdArg);\r | |
386 | if (EFI_ERROR (Status)) {\r | |
387 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD9): Error, Status=%r\n", Status));\r | |
388 | return Status;\r | |
389 | }\r | |
390 | //Read Response\r | |
391 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CSD, Response);\r | |
392 | PrintCSD(Response);\r | |
393 | \r | |
394 | if (MmcHostInstance->CardInfo.CardType == SD_CARD_2_HIGH) {\r | |
395 | CardSize = HC_MMC_CSD_GET_DEVICESIZE (Response);\r | |
396 | NumBlocks = ((CardSize + 1) * 1024);\r | |
397 | BlockSize = 1 << MMC_CSD_GET_READBLLEN(Response);\r | |
398 | } else {\r | |
399 | CardSize = MMC_CSD_GET_DEVICESIZE (Response);\r | |
400 | NumBlocks = (CardSize + 1) * (1 << (MMC_CSD_GET_DEVICESIZEMULT (Response) + 2));\r | |
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 | |
406 | NumBlocks = MultU64x32 (NumBlocks, BlockSize/512);\r | |
407 | BlockSize = 512;\r | |
408 | }\r | |
409 | \r | |
410 | MmcHostInstance->BlockIo.Media->LastBlock = (NumBlocks - 1);\r | |
411 | MmcHostInstance->BlockIo.Media->BlockSize = BlockSize;\r | |
412 | MmcHostInstance->BlockIo.Media->ReadOnly = MmcHost->IsReadOnly (MmcHost);\r | |
413 | MmcHostInstance->BlockIo.Media->MediaPresent = TRUE;\r | |
414 | MmcHostInstance->BlockIo.Media->MediaId++;\r | |
415 | \r | |
416 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
417 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD7, CmdArg);\r | |
418 | if (EFI_ERROR (Status)) {\r | |
419 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD7): Error and Status = %r\n", Status));\r | |
420 | return Status;\r | |
421 | }\r | |
422 | \r | |
423 | Status = MmcNotifyState (MmcHostInstance, MmcTransferState);\r | |
424 | if (EFI_ERROR (Status)) {\r | |
425 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcTransferState\n"));\r | |
426 | return Status;\r | |
427 | }\r | |
428 | \r | |
429 | // Set Block Length\r | |
430 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD16, MmcHostInstance->BlockIo.Media->BlockSize);\r | |
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 | |
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 | |
438 | MmcHost->SendCommand (MmcHost, MMC_CMD23, BlockCount);\r | |
439 | }\r | |
440 | \r | |
441 | return EFI_SUCCESS;\r | |
442 | }\r | |
443 | \r | |
444 | EFI_STATUS\r | |
445 | EFIAPI\r | |
446 | MmcReset (\r | |
447 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
448 | IN BOOLEAN ExtendedVerification\r | |
449 | )\r | |
450 | {\r | |
451 | MMC_HOST_INSTANCE *MmcHostInstance;\r | |
452 | \r | |
453 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS (This);\r | |
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 | |
461 | if (!MmcHostInstance->MmcHost->IsCardPresent (MmcHostInstance->MmcHost)) {\r | |
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 | |
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 | |
476 | }\r | |
477 | \r | |
478 | EFI_STATUS\r | |
479 | MmcDetectCard (\r | |
480 | EFI_MMC_HOST_PROTOCOL *MmcHost\r | |
481 | )\r | |
482 | {\r | |
483 | if (!MmcHost->IsCardPresent (MmcHost)) {\r | |
484 | return EFI_NO_MEDIA;\r | |
485 | } else {\r | |
486 | return EFI_SUCCESS;\r | |
487 | }\r | |
488 | }\r | |
489 | \r | |
490 | #define MMCI0_BLOCKLEN 512\r | |
491 | #define MMCI0_TIMEOUT 10000\r | |
492 | \r | |
493 | EFI_STATUS\r | |
494 | MmcIoBlocks (\r | |
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 | |
501 | )\r | |
502 | {\r | |
503 | UINT32 Response[4];\r | |
504 | EFI_STATUS Status;\r | |
505 | UINTN CmdArg;\r | |
506 | INTN Timeout;\r | |
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 | |
513 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS (This);\r | |
514 | ASSERT (MmcHostInstance != 0);\r | |
515 | MmcHost = MmcHostInstance->MmcHost;\r | |
516 | ASSERT (MmcHost);\r | |
517 | \r | |
518 | if ((MmcHost == 0)|| (Buffer == NULL)) {\r | |
519 | return EFI_INVALID_PARAMETER;\r | |
520 | }\r | |
521 | \r | |
522 | // Check if a Card is Present\r | |
523 | if (!MmcHostInstance->BlockIo.Media->MediaPresent) {\r | |
524 | return EFI_NO_MEDIA;\r | |
525 | }\r | |
526 | \r | |
527 | // All blocks must be within the device\r | |
528 | if ((Lba + (BufferSize / This->Media->BlockSize)) > (This->Media->LastBlock + 1)){\r | |
529 | return EFI_INVALID_PARAMETER;\r | |
530 | }\r | |
531 | \r | |
532 | // The buffer size must not be zero and it must be an exact multiple of the block size\r | |
533 | if ((BufferSize == 0) || ((BufferSize % This->Media->BlockSize) != 0)) {\r | |
534 | return EFI_BAD_BUFFER_SIZE;\r | |
535 | }\r | |
536 | \r | |
537 | if (This->Media->MediaId != MediaId) {\r | |
538 | return EFI_MEDIA_CHANGED;\r | |
539 | }\r | |
540 | \r | |
541 | if((Transfer == MMC_IOBLOCKS_WRITE) && (This->Media->ReadOnly == TRUE)) {\r | |
542 | return EFI_WRITE_PROTECTED;\r | |
543 | }\r | |
544 | \r | |
545 | BytesRemainingToBeTransfered = BufferSize;\r | |
546 | while (BytesRemainingToBeTransfered > 0) {\r | |
547 | \r | |
548 | // Check if the Card is in Ready status\r | |
549 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
550 | Response[0] = 0;\r | |
551 | Timeout = 20;\r | |
552 | while( (!(Response[0] & MMC_R0_READY_FOR_DATA))\r | |
553 | && (MMC_R0_CURRENTSTATE (Response) != MMC_R0_STATE_TRAN)\r | |
554 | && Timeout--) {\r | |
555 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r | |
556 | if (!EFI_ERROR (Status)) {\r | |
557 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);\r | |
558 | }\r | |
559 | }\r | |
560 | \r | |
561 | if (0 == Timeout) {\r | |
562 | DEBUG ((EFI_D_ERROR, "The Card is busy\n"));\r | |
563 | return EFI_NOT_READY;\r | |
564 | }\r | |
565 | \r | |
566 | //Set command argument based on the card access mode (Byte mode or Block mode)\r | |
567 | if (MmcHostInstance->CardInfo.OCRData.AccessMode & BIT1) {\r | |
568 | CmdArg = Lba;\r | |
569 | } else {\r | |
570 | CmdArg = Lba * This->Media->BlockSize;\r | |
571 | }\r | |
572 | \r | |
573 | if (Transfer == MMC_IOBLOCKS_READ) {\r | |
574 | #ifndef USE_STREAM\r | |
575 | // Read a single block\r | |
576 | Cmd = MMC_CMD17;\r | |
577 | #else\r | |
578 | //TODO: Should we support read stream (MMC_CMD11)\r | |
579 | #endif\r | |
580 | } else {\r | |
581 | #ifndef USE_STREAM\r | |
582 | // Write a single block\r | |
583 | Cmd = MMC_CMD24;\r | |
584 | #else\r | |
585 | //TODO: Should we support write stream (MMC_CMD20)\r | |
586 | #endif\r | |
587 | }\r | |
588 | Status = MmcHost->SendCommand (MmcHost, Cmd, CmdArg);\r | |
589 | if (EFI_ERROR (Status)) {\r | |
590 | DEBUG ((EFI_D_ERROR, "MmcIoBlocks(MMC_CMD%d): Error %r\n", Cmd, Status));\r | |
591 | return Status;\r | |
592 | }\r | |
593 | \r | |
594 | if (Transfer == MMC_IOBLOCKS_READ) {\r | |
595 | #ifndef USE_STREAM\r | |
596 | // Read one block of Data\r | |
597 | Status = MmcHost->ReadBlockData (MmcHost, Lba, This->Media->BlockSize, Buffer);\r | |
598 | if (EFI_ERROR (Status)) {\r | |
599 | DEBUG ((EFI_D_BLKIO, "MmcIoBlocks(): Error Read Block Data and Status = %r\n", Status));\r | |
600 | return Status;\r | |
601 | }\r | |
602 | #else\r | |
603 | //TODO: Read a stream\r | |
604 | ASSERT (0);\r | |
605 | #endif\r | |
606 | Status = MmcNotifyState (MmcHostInstance, MmcProgrammingState);\r | |
607 | if (EFI_ERROR (Status)) {\r | |
608 | DEBUG ((EFI_D_ERROR, "MmcIoBlocks() : Error MmcProgrammingState\n"));\r | |
609 | return Status;\r | |
610 | }\r | |
611 | } else {\r | |
612 | #ifndef USE_STREAM\r | |
613 | // Write one block of Data\r | |
614 | Status = MmcHost->WriteBlockData (MmcHost, Lba, This->Media->BlockSize, Buffer);\r | |
615 | if (EFI_ERROR (Status)) {\r | |
616 | DEBUG ((EFI_D_BLKIO, "MmcIoBlocks(): Error Write Block Data and Status = %r\n", Status));\r | |
617 | return Status;\r | |
618 | }\r | |
619 | #else\r | |
620 | //TODO: Write a stream\r | |
621 | ASSERT (0);\r | |
622 | #endif\r | |
623 | }\r | |
624 | \r | |
625 | // Command 12 - Stop transmission (ends read)\r | |
626 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD12, 0);\r | |
627 | if (!EFI_ERROR (Status)) {\r | |
628 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1b, Response);\r | |
629 | }\r | |
630 | \r | |
631 | // Command 13 - Read status and wait for programming to complete (return to tran)\r | |
632 | Timeout = MMCI0_TIMEOUT;\r | |
633 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
634 | Response[0] = 0;\r | |
635 | while( (!(Response[0] & MMC_R0_READY_FOR_DATA))\r | |
636 | && (MMC_R0_CURRENTSTATE (Response) != MMC_R0_STATE_TRAN)\r | |
637 | && Timeout--) {\r | |
638 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r | |
639 | if (!EFI_ERROR (Status)) {\r | |
640 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);\r | |
641 | if ((Response[0] & MMC_R0_READY_FOR_DATA)) {\r | |
642 | break; // Prevents delay once finished\r | |
643 | }\r | |
644 | }\r | |
645 | NanoSecondDelay (100);\r | |
646 | }\r | |
647 | \r | |
648 | Status = MmcNotifyState (MmcHostInstance, MmcTransferState);\r | |
649 | if (EFI_ERROR (Status)) {\r | |
650 | DEBUG ((EFI_D_ERROR, "MmcIoBlocks() : Error MmcTransferState\n"));\r | |
651 | return Status;\r | |
652 | }\r | |
653 | \r | |
654 | BytesRemainingToBeTransfered -= This->Media->BlockSize;\r | |
655 | Lba += BlockCount;\r | |
656 | Buffer = (UINT8 *)Buffer + This->Media->BlockSize;\r | |
657 | }\r | |
658 | \r | |
659 | return EFI_SUCCESS;\r | |
660 | }\r | |
661 | \r | |
662 | EFI_STATUS\r | |
663 | EFIAPI\r | |
664 | MmcReadBlocks (\r | |
665 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
666 | IN UINT32 MediaId,\r | |
667 | IN EFI_LBA Lba,\r | |
668 | IN UINTN BufferSize,\r | |
669 | OUT VOID *Buffer\r | |
670 | )\r | |
671 | {\r | |
672 | return MmcIoBlocks (This, MMC_IOBLOCKS_READ, MediaId, Lba, BufferSize, Buffer);\r | |
673 | }\r | |
674 | \r | |
675 | EFI_STATUS\r | |
676 | EFIAPI\r | |
677 | MmcWriteBlocks (\r | |
678 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
679 | IN UINT32 MediaId,\r | |
680 | IN EFI_LBA Lba,\r | |
681 | IN UINTN BufferSize,\r | |
682 | IN VOID *Buffer\r | |
683 | )\r | |
684 | {\r | |
685 | return MmcIoBlocks (This, MMC_IOBLOCKS_WRITE, MediaId, Lba, BufferSize, Buffer);\r | |
686 | }\r | |
687 | \r | |
688 | EFI_STATUS\r | |
689 | EFIAPI\r | |
690 | MmcFlushBlocks (\r | |
691 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
692 | )\r | |
693 | {\r | |
694 | return EFI_SUCCESS;\r | |
695 | }\r |