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1bfda055 | 1 | /** @file\r |
2 | *\r | |
3 | * Copyright (c) 2011, 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 | |
a1ab9143 | 25 | #define MAX_RETRY_COUNT 1000\r |
26 | #define CMD_RETRY_COUNT 20\r | |
1bfda055 | 27 | \r |
28 | EFI_STATUS\r | |
29 | MmcNotifyState (\r | |
e8e95df4 | 30 | IN MMC_HOST_INSTANCE *MmcHostInstance,\r |
31 | IN MMC_STATE State\r | |
32 | )\r | |
33 | {\r | |
34 | MmcHostInstance->State = State;\r | |
16d88c2d | 35 | return MmcHostInstance->MmcHost->NotifyState (MmcHostInstance->MmcHost, State);\r |
1bfda055 | 36 | }\r |
37 | \r | |
e8e95df4 | 38 | VOID\r |
39 | PrintOCR (\r | |
40 | IN UINT32 Ocr\r | |
41 | )\r | |
42 | {\r | |
43 | UINTN minv, maxv, volts;\r | |
44 | UINTN loop;\r | |
45 | \r | |
46 | minv = 36; // 3.6\r | |
47 | maxv = 20; // 2.0\r | |
48 | volts = 20; // 2.0\r | |
49 | \r | |
50 | // The MMC register bits [23:8] indicate the working range of the card\r | |
51 | for (loop = 8; loop < 24; loop++) {\r | |
52 | if (Ocr & (1 << loop)) {\r | |
53 | if (minv > volts) minv = volts;\r | |
54 | if (maxv < volts) maxv = volts + 1;\r | |
1bfda055 | 55 | }\r |
e8e95df4 | 56 | volts = volts + 1;\r |
57 | }\r | |
58 | \r | |
59 | DEBUG((EFI_D_ERROR, "- PrintOCR Ocr (0x%X)\n",Ocr));\r | |
60 | DEBUG((EFI_D_ERROR, "\t- Card operating voltage: %d.%d to %d.%d\n", minv/10, minv % 10, maxv/10, maxv % 10));\r | |
61 | if (((Ocr >> 29) & 3) == 0) {\r | |
62 | DEBUG((EFI_D_ERROR, "\t- AccessMode: Byte Mode\n"));\r | |
63 | } else {\r | |
64 | DEBUG((EFI_D_ERROR, "\t- AccessMode: Block Mode (0x%X)\n",((Ocr >> 29) & 3)));\r | |
65 | }\r | |
66 | \r | |
67 | if (Ocr & MMC_OCR_POWERUP) {\r | |
68 | DEBUG((EFI_D_ERROR, "\t- PowerUp\n"));\r | |
69 | } else {\r | |
70 | DEBUG((EFI_D_ERROR, "\t- Voltage Not Supported\n"));\r | |
71 | }\r | |
1bfda055 | 72 | }\r |
73 | \r | |
e8e95df4 | 74 | VOID PrintCID (\r |
75 | IN UINT32* Cid\r | |
76 | )\r | |
77 | {\r | |
78 | DEBUG((EFI_D_ERROR, "- PrintCID\n"));\r | |
79 | DEBUG((EFI_D_ERROR, "\t- Manufacturing date: %d/%d\n",(Cid[0] >> 8) & 0xF,(Cid[0] >> 12) & 0xFF));\r | |
80 | DEBUG((EFI_D_ERROR, "\t- Product serial number: 0x%X%X\n",Cid[1] & 0xFFFFFF,(Cid[0] >> 24) & 0xFF));\r | |
81 | DEBUG((EFI_D_ERROR, "\t- Product revision: %d\n",Cid[1] >> 24));\r | |
82 | //DEBUG((EFI_D_ERROR, "\t- Product name: %s\n",(char*)(Cid + 2)));\r | |
83 | DEBUG((EFI_D_ERROR, "\t- OEM ID: %c%c\n",(Cid[3] >> 8) & 0xFF,(Cid[3] >> 16) & 0xFF));\r | |
1bfda055 | 84 | }\r |
85 | \r | |
8f964e8d | 86 | #if !defined(MDEPKG_NDEBUG)\r |
87 | CONST CHAR8* mStrUnit[] = { "100kbit/s","1Mbit/s","10Mbit/s","100MBit/s","Unkbown","Unkbown","Unkbown","Unkbown" };\r | |
88 | 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","Unknown","Unknown","Unknown","Unknown" };\r | |
89 | #endif\r | |
90 | \r | |
e8e95df4 | 91 | VOID\r |
92 | PrintCSD (\r | |
93 | IN UINT32* Csd\r | |
94 | )\r | |
95 | {\r | |
96 | UINTN Value;\r | |
e8e95df4 | 97 | \r |
98 | if (((Csd[2] >> 30) & 0x3) == 0) {\r | |
99 | DEBUG((EFI_D_ERROR, "- PrintCSD Version 1.01-1.10/Version 2.00/Standard Capacity\n"));\r | |
100 | } else if (((Csd[2] >> 30) & 0x3) == 1) {\r | |
101 | DEBUG((EFI_D_ERROR, "- PrintCSD Version 2.00/High Capacity\n"));\r | |
102 | } else {\r | |
103 | DEBUG((EFI_D_ERROR, "- PrintCSD Version Higher than v3.3\n"));\r | |
104 | }\r | |
105 | \r | |
106 | DEBUG((EFI_D_ERROR, "\t- Supported card command class: 0x%X\n",MMC_CSD_GET_CCC(Csd)));\r | |
8f964e8d | 107 | 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 |
e8e95df4 | 108 | DEBUG((EFI_D_ERROR, "\t- Maximum Read Data Block: %d\n",2 << (MMC_CSD_GET_READBLLEN(Csd)-1)));\r |
109 | DEBUG((EFI_D_ERROR, "\t- Maximum Write Data Block: %d\n",2 << (MMC_CSD_GET_WRITEBLLEN(Csd)-1)));\r | |
110 | \r | |
111 | if (!MMC_CSD_GET_FILEFORMATGRP(Csd)) {\r | |
112 | Value = MMC_CSD_GET_FILEFORMAT(Csd);\r | |
113 | if (Value == 0) DEBUG((EFI_D_ERROR, "\t- Format(0): Hard disk-like file system with partition table\n"));\r | |
114 | else if (Value == 1) DEBUG((EFI_D_ERROR, "\t- Format(1): DOS FAT (floppy-like) with boot sector only (no partition table)\n"));\r | |
115 | else if (Value == 2) DEBUG((EFI_D_ERROR, "\t- Format(2): Universal File Format\n"));\r | |
116 | else DEBUG((EFI_D_ERROR, "\t- Format(3): Others/Unknown\n"));\r | |
117 | } else {\r | |
118 | DEBUG((EFI_D_ERROR, "\t- Format: Reserved\n"));\r | |
119 | }\r | |
1bfda055 | 120 | }\r |
121 | \r | |
e8e95df4 | 122 | VOID\r |
123 | PrintRCA (\r | |
124 | IN UINT32 Rca\r | |
125 | )\r | |
126 | {\r | |
127 | DEBUG((EFI_D_ERROR, "- PrintRCA: 0x%X\n",Rca));\r | |
128 | DEBUG((EFI_D_ERROR, "\t- Status: 0x%X\n",Rca & 0xFFFF));\r | |
129 | DEBUG((EFI_D_ERROR, "\t- RCA: 0x%X\n",(Rca >> 16) & 0xFFFF));\r | |
1bfda055 | 130 | }\r |
131 | \r | |
e8e95df4 | 132 | VOID\r |
133 | PrintResponseR1 (\r | |
134 | IN UINT32 Response\r | |
135 | )\r | |
136 | {\r | |
137 | DEBUG((EFI_D_INFO, "Response: 0x%X\n",Response));\r | |
138 | if (Response & (1 << 8)) DEBUG((EFI_D_INFO, "\t- READY_FOR_DATA\n"));\r | |
139 | \r | |
140 | if (((Response >> 9) & 0xF) == 0) DEBUG((EFI_D_INFO, "\t- State: Idle\n"));\r | |
141 | else if (((Response >> 9) & 0xF) == 1) DEBUG((EFI_D_INFO, "\t- State: Ready\n"));\r | |
142 | else if (((Response >> 9) & 0xF) == 2) DEBUG((EFI_D_INFO, "\t- State: Ident\n"));\r | |
143 | else if (((Response >> 9) & 0xF) == 3) DEBUG((EFI_D_INFO, "\t- State: StandBy\n"));\r | |
144 | else if (((Response >> 9) & 0xF) == 4) DEBUG((EFI_D_INFO, "\t- State: Tran\n"));\r | |
145 | else if (((Response >> 9) & 0xF) == 5) DEBUG((EFI_D_INFO, "\t- State: Data\n"));\r | |
146 | else if (((Response >> 9) & 0xF) == 6) DEBUG((EFI_D_INFO, "\t- State: Rcv\n"));\r | |
147 | else if (((Response >> 9) & 0xF) == 7) DEBUG((EFI_D_INFO, "\t- State: Prg\n"));\r | |
148 | else if (((Response >> 9) & 0xF) == 8) DEBUG((EFI_D_INFO, "\t- State: Dis\n"));\r | |
149 | else DEBUG((EFI_D_INFO, "\t- State: Reserved\n"));\r | |
a1ab9143 | 150 | }\r |
151 | \r | |
152 | EFI_STATUS\r | |
153 | EFIAPI\r | |
154 | MmcGetCardStatus(\r | |
e8e95df4 | 155 | IN MMC_HOST_INSTANCE *MmcHostInstance\r |
156 | )\r | |
157 | {\r | |
158 | EFI_STATUS Status;\r | |
159 | UINT32 Response[4];\r | |
160 | UINTN CmdArg;\r | |
161 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
162 | \r | |
163 | Status = EFI_SUCCESS;\r | |
164 | MmcHost = MmcHostInstance->MmcHost;\r | |
165 | CmdArg = 0;\r | |
166 | \r | |
167 | if (MmcHost == NULL) {\r | |
168 | return EFI_INVALID_PARAMETER;\r | |
169 | }\r | |
170 | if(MmcHostInstance->State != MmcHwInitializationState){\r | |
171 | //Get the Status of the card.\r | |
172 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
16d88c2d | 173 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
e8e95df4 | 174 | if (EFI_ERROR(Status)) {\r |
175 | DEBUG((EFI_D_ERROR, "MmcGetCardStatus(MMC_CMD13): Error and Status = %r\n", Status));\r | |
e8e95df4 | 176 | return Status;\r |
a1ab9143 | 177 | }\r |
178 | \r | |
e8e95df4 | 179 | //Read Response\r |
16d88c2d | 180 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1,Response);\r |
e8e95df4 | 181 | PrintResponseR1(Response[0]);\r |
182 | }\r | |
183 | \r | |
184 | return Status;\r | |
1bfda055 | 185 | }\r |
186 | \r | |
187 | EFI_STATUS\r | |
188 | EFIAPI\r | |
189 | MmcIdentificationMode (\r | |
e8e95df4 | 190 | IN MMC_HOST_INSTANCE *MmcHostInstance\r |
191 | )\r | |
192 | {\r | |
193 | EFI_STATUS Status;\r | |
194 | UINT32 Response[4];\r | |
195 | UINTN Timeout;\r | |
196 | UINTN CmdArg;\r | |
197 | BOOLEAN IsHCS;\r | |
198 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
e8e95df4 | 199 | \r |
200 | MmcHost = MmcHostInstance->MmcHost;\r | |
201 | CmdArg = 0;\r | |
202 | IsHCS = FALSE;\r | |
203 | \r | |
204 | if (MmcHost == NULL) {\r | |
205 | return EFI_INVALID_PARAMETER;\r | |
206 | }\r | |
207 | \r | |
208 | // We can get into this function if we restart the identification mode\r | |
209 | if (MmcHostInstance->State == MmcHwInitializationState) {\r | |
210 | // Initialize the MMC Host HW\r | |
211 | Status = MmcNotifyState (MmcHostInstance, MmcHwInitializationState);\r | |
212 | if (EFI_ERROR(Status)) {\r | |
213 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcHwInitializationState\n"));\r | |
214 | return Status;\r | |
1bfda055 | 215 | }\r |
e8e95df4 | 216 | } else {\r |
217 | //Note: Could even be used in all cases. But it looks this command could put the state machine into inactive for some cards\r | |
16d88c2d | 218 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD0, 0);\r |
1bfda055 | 219 | if (EFI_ERROR(Status)) {\r |
e8e95df4 | 220 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD0): Error\n"));\r |
221 | return Status;\r | |
1bfda055 | 222 | }\r |
e8e95df4 | 223 | }\r |
224 | \r | |
225 | Status = MmcNotifyState (MmcHostInstance, MmcIdleState);\r | |
226 | if (EFI_ERROR(Status)) {\r | |
227 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdleState\n"));\r | |
228 | return Status;\r | |
229 | }\r | |
230 | \r | |
231 | // Are we using SDIO ?\r | |
16d88c2d | 232 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD5, 0);\r |
e8e95df4 | 233 | if (Status == EFI_SUCCESS) {\r |
234 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD5): Error - SDIO not supported.\n"));\r | |
235 | return EFI_UNSUPPORTED;\r | |
236 | }\r | |
237 | \r | |
238 | // Check which kind of card we are using. Ver2.00 or later SD Memory Card (PL180 is SD v1.1)\r | |
239 | CmdArg = (0x0UL << 12 | BIT8 | 0xCEUL << 0);\r | |
16d88c2d | 240 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD8, CmdArg);\r |
e8e95df4 | 241 | if (Status == EFI_SUCCESS) {\r |
242 | DEBUG ((EFI_D_ERROR, "Card is SD2.0 => Supports high capacity\n"));\r | |
243 | IsHCS = TRUE;\r | |
16d88c2d | 244 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R7,Response);\r |
e8e95df4 | 245 | PrintResponseR1(Response[0]);\r |
246 | //check if it is valid response\r | |
247 | if(Response[0] != CmdArg){\r | |
248 | DEBUG ((EFI_D_ERROR, "The Card is not usable\n"));\r | |
249 | return EFI_UNSUPPORTED;\r | |
1bfda055 | 250 | }\r |
e8e95df4 | 251 | } else {\r |
252 | DEBUG ((EFI_D_ERROR, "Not a SD2.0 Card\n"));\r | |
253 | }\r | |
254 | \r | |
255 | // We need to wait for the MMC or SD card is ready => (gCardInfo.OCRData.Busy == 1)\r | |
256 | Timeout = MAX_RETRY_COUNT;\r | |
257 | while (Timeout > 0) {\r | |
258 | // SD Card or MMC Card ? CMD55 indicates to the card that the next command is an application specific command\r | |
16d88c2d | 259 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD55, 0);\r |
1bfda055 | 260 | if (Status == EFI_SUCCESS) {\r |
e8e95df4 | 261 | DEBUG ((EFI_D_INFO, "Card should be SD\n"));\r |
262 | if (IsHCS) {\r | |
263 | MmcHostInstance->CardInfo.CardType = SD_CARD_2;\r | |
1bfda055 | 264 | } else {\r |
e8e95df4 | 265 | MmcHostInstance->CardInfo.CardType = SD_CARD;\r |
1bfda055 | 266 | }\r |
267 | \r | |
e8e95df4 | 268 | // Note: The first time CmdArg will be zero\r |
269 | CmdArg = ((UINTN *) &(MmcHostInstance->CardInfo.OCRData))[0];\r | |
270 | if (IsHCS) {\r | |
271 | CmdArg |= BIT30;\r | |
272 | }\r | |
16d88c2d | 273 | Status = MmcHost->SendCommand (MmcHost, MMC_ACMD41, CmdArg);\r |
a1ab9143 | 274 | if (!EFI_ERROR(Status)) {\r |
16d88c2d | 275 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR,Response);\r |
e8e95df4 | 276 | ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];\r |
1bfda055 | 277 | }\r |
1bfda055 | 278 | } else {\r |
e8e95df4 | 279 | DEBUG ((EFI_D_INFO, "Card should be MMC\n"));\r |
280 | MmcHostInstance->CardInfo.CardType = MMC_CARD;\r | |
1bfda055 | 281 | \r |
16d88c2d | 282 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD1, 0x800000);\r |
e8e95df4 | 283 | if (!EFI_ERROR(Status)) {\r |
16d88c2d | 284 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR,Response);\r |
e8e95df4 | 285 | ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];\r |
a1ab9143 | 286 | }\r |
1bfda055 | 287 | }\r |
1bfda055 | 288 | \r |
e8e95df4 | 289 | if (!EFI_ERROR(Status)) {\r |
290 | if (MmcHostInstance->CardInfo.OCRData.Busy == 0) {\r | |
291 | MicroSecondDelay(1);\r | |
292 | Timeout--;\r | |
293 | } else {\r | |
294 | if ((MmcHostInstance->CardInfo.CardType == SD_CARD_2) && (MmcHostInstance->CardInfo.OCRData.AccessMode & BIT1)) {\r | |
295 | MmcHostInstance->CardInfo.CardType = SD_CARD_2_HIGH;\r | |
296 | DEBUG ((EFI_D_ERROR, "High capacity card.\n"));\r | |
297 | }\r | |
298 | break; // The MMC/SD card is ready. Continue the Identification Mode\r | |
299 | }\r | |
1bfda055 | 300 | } else {\r |
e8e95df4 | 301 | MicroSecondDelay(1);\r |
302 | Timeout--;\r | |
1bfda055 | 303 | }\r |
e8e95df4 | 304 | }\r |
305 | \r | |
306 | if (Timeout == 0) {\r | |
307 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(): No Card\n"));\r | |
e8e95df4 | 308 | return EFI_NO_MEDIA;\r |
309 | } else {\r | |
310 | PrintOCR(Response[0]);\r | |
311 | }\r | |
312 | \r | |
313 | Status = MmcNotifyState (MmcHostInstance, MmcReadyState);\r | |
314 | if (EFI_ERROR(Status)) {\r | |
315 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcReadyState\n"));\r | |
316 | return Status;\r | |
317 | }\r | |
318 | \r | |
16d88c2d | 319 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD2, 0);\r |
e8e95df4 | 320 | if (EFI_ERROR(Status)) {\r |
321 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD2): Error\n"));\r | |
e8e95df4 | 322 | return Status;\r |
323 | }\r | |
16d88c2d | 324 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CID,Response);\r |
e8e95df4 | 325 | PrintCID(Response);\r |
326 | \r | |
327 | Status = MmcNotifyState (MmcHostInstance, MmcIdentificationState);\r | |
328 | if (EFI_ERROR(Status)) {\r | |
329 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdentificationState\n"));\r | |
330 | return Status;\r | |
331 | }\r | |
332 | \r | |
d8ad4736 | 333 | //\r |
334 | // Note, SD specifications say that "if the command execution causes a state change, it\r | |
335 | // will be visible to the host in the response to the next command"\r | |
336 | // The status returned for this CMD3 will be 2 - identification\r | |
337 | //\r | |
338 | CmdArg = 1;\r | |
16d88c2d | 339 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD3, CmdArg);\r |
d8ad4736 | 340 | if (EFI_ERROR(Status)) {\r |
341 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD3): Error\n"));\r | |
342 | return Status;\r | |
e8e95df4 | 343 | }\r |
344 | \r | |
16d88c2d | 345 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_RCA,Response);\r |
d8ad4736 | 346 | PrintRCA(Response[0]);\r |
347 | \r | |
e8e95df4 | 348 | // For MMC card, RCA is assigned by CMD3 while CMD3 dumps the RCA for SD card\r |
349 | if (MmcHostInstance->CardInfo.CardType != MMC_CARD) {\r | |
350 | MmcHostInstance->CardInfo.RCA = Response[0] >> 16;\r | |
351 | } else {\r | |
352 | MmcHostInstance->CardInfo.RCA = CmdArg;\r | |
353 | }\r | |
354 | \r | |
355 | Status = MmcNotifyState (MmcHostInstance, MmcStandByState);\r | |
356 | if (EFI_ERROR(Status)) {\r | |
357 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcStandByState\n"));\r | |
358 | return Status;\r | |
359 | }\r | |
360 | \r | |
361 | return EFI_SUCCESS;\r | |
1bfda055 | 362 | }\r |
363 | \r | |
16d88c2d | 364 | EFI_STATUS InitializeMmcDevice (\r |
40842a5e | 365 | IN MMC_HOST_INSTANCE *MmcHostInstance\r |
366 | )\r | |
367 | {\r | |
368 | UINT32 Response[4];\r | |
369 | EFI_STATUS Status;\r | |
370 | UINTN CardSize, NumBlocks, BlockSize, CmdArg;\r | |
371 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
372 | UINTN BlockCount = 1;\r | |
373 | \r | |
374 | MmcHost = MmcHostInstance->MmcHost;\r | |
375 | \r | |
376 | MmcIdentificationMode (MmcHostInstance);\r | |
377 | \r | |
378 | //Send a command to get Card specific data\r | |
379 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
16d88c2d | 380 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD9, CmdArg);\r |
40842a5e | 381 | if (EFI_ERROR(Status)) {\r |
382 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD9): Error, Status=%r\n", Status));\r | |
383 | return Status;\r | |
384 | }\r | |
385 | //Read Response\r | |
16d88c2d | 386 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CSD,Response);\r |
40842a5e | 387 | PrintCSD(Response);\r |
388 | \r | |
389 | if (MmcHostInstance->CardInfo.CardType == SD_CARD_2_HIGH) {\r | |
390 | CardSize = HC_MMC_CSD_GET_DEVICESIZE(Response);\r | |
391 | NumBlocks = ((CardSize + 1) * 1024);\r | |
392 | BlockSize = 1 << MMC_CSD_GET_READBLLEN(Response);\r | |
393 | } else {\r | |
394 | CardSize = MMC_CSD_GET_DEVICESIZE(Response);\r | |
395 | NumBlocks = (CardSize + 1) * (1 << (MMC_CSD_GET_DEVICESIZEMULT(Response) + 2));\r | |
396 | BlockSize = 1 << MMC_CSD_GET_READBLLEN(Response);\r | |
397 | }\r | |
398 | \r | |
399 | //For >=2G card, BlockSize may be 1K, but the transfer size is 512 bytes.\r | |
400 | if (BlockSize > 512) {\r | |
401 | NumBlocks = MultU64x32(NumBlocks, BlockSize/512);\r | |
402 | BlockSize = 512;\r | |
403 | }\r | |
404 | \r | |
405 | MmcHostInstance->BlockIo.Media->LastBlock = (NumBlocks - 1);\r | |
406 | MmcHostInstance->BlockIo.Media->BlockSize = BlockSize;\r | |
16d88c2d | 407 | MmcHostInstance->BlockIo.Media->ReadOnly = MmcHost->IsReadOnly (MmcHost);\r |
40842a5e | 408 | MmcHostInstance->BlockIo.Media->MediaPresent = TRUE;\r |
409 | MmcHostInstance->BlockIo.Media->MediaId++;\r | |
410 | \r | |
411 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
16d88c2d | 412 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD7, CmdArg);\r |
40842a5e | 413 | if (EFI_ERROR(Status)) {\r |
414 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD7): Error and Status = %r\n", Status));\r | |
415 | return Status;\r | |
416 | }\r | |
417 | \r | |
418 | Status = MmcNotifyState (MmcHostInstance, MmcTransferState);\r | |
419 | if (EFI_ERROR(Status)) {\r | |
420 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcTransferState\n"));\r | |
421 | return Status;\r | |
422 | }\r | |
423 | \r | |
424 | // Set Block Length\r | |
16d88c2d | 425 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD16, MmcHostInstance->BlockIo.Media->BlockSize);\r |
40842a5e | 426 | if (EFI_ERROR(Status)) {\r |
427 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD16): Error MmcHostInstance->BlockIo.Media->BlockSize: %d and Error = %r\n",MmcHostInstance->BlockIo.Media->BlockSize, Status));\r | |
428 | return Status;\r | |
429 | }\r | |
430 | \r | |
431 | // Block Count (not used). Could return an error for SD card\r | |
432 | if (MmcHostInstance->CardInfo.CardType == MMC_CARD) {\r | |
16d88c2d | 433 | MmcHost->SendCommand (MmcHost, MMC_CMD23, BlockCount);\r |
40842a5e | 434 | }\r |
435 | \r | |
436 | return EFI_SUCCESS;\r | |
437 | }\r | |
438 | \r | |
1bfda055 | 439 | EFI_STATUS\r |
440 | EFIAPI\r | |
441 | MmcReset (\r | |
442 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
443 | IN BOOLEAN ExtendedVerification\r | |
e8e95df4 | 444 | )\r |
445 | {\r | |
3de99375 | 446 | MMC_HOST_INSTANCE *MmcHostInstance;\r |
447 | \r | |
448 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS(This);\r | |
449 | \r | |
450 | if (MmcHostInstance->MmcHost == NULL) {\r | |
451 | // Nothing to do\r | |
452 | return EFI_SUCCESS;\r | |
453 | }\r | |
454 | \r | |
455 | // If a card is not present then clear all media settings\r | |
16d88c2d | 456 | if (!MmcHostInstance->MmcHost->IsCardPresent (MmcHostInstance->MmcHost)) {\r |
3de99375 | 457 | MmcHostInstance->BlockIo.Media->MediaPresent = FALSE;\r |
458 | MmcHostInstance->BlockIo.Media->LastBlock = 0;\r | |
459 | MmcHostInstance->BlockIo.Media->BlockSize = 512; // Should be zero but there is a bug in DiskIo\r | |
460 | MmcHostInstance->BlockIo.Media->ReadOnly = FALSE;\r | |
461 | \r | |
462 | // Indicate that the driver requires initialization\r | |
463 | MmcHostInstance->State = MmcHwInitializationState;\r | |
464 | \r | |
465 | return EFI_SUCCESS;\r | |
466 | }\r | |
467 | \r | |
e8e95df4 | 468 | // Implement me. Either send a CMD0 (could not work for some MMC host) or just turn off/turn\r |
469 | // on power and restart Identification mode\r | |
470 | return EFI_SUCCESS;\r | |
1bfda055 | 471 | }\r |
472 | \r | |
473 | EFI_STATUS\r | |
474 | MmcDetectCard (\r | |
475 | EFI_MMC_HOST_PROTOCOL *MmcHost\r | |
476 | )\r | |
477 | {\r | |
16d88c2d | 478 | if (!MmcHost->IsCardPresent (MmcHost)) {\r |
e8e95df4 | 479 | return EFI_NO_MEDIA;\r |
480 | } else {\r | |
481 | return EFI_SUCCESS;\r | |
482 | }\r | |
1bfda055 | 483 | }\r |
484 | \r | |
485 | #define MMCI0_BLOCKLEN 512\r | |
486 | #define MMCI0_TIMEOUT 10000\r | |
487 | \r | |
e8e95df4 | 488 | EFI_STATUS\r |
489 | MmcIoBlocks (\r | |
1bfda055 | 490 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
491 | IN UINTN Transfer,\r | |
492 | IN UINT32 MediaId,\r | |
493 | IN EFI_LBA Lba,\r | |
494 | IN UINTN BufferSize,\r | |
495 | OUT VOID *Buffer\r | |
e8e95df4 | 496 | )\r |
497 | {\r | |
498 | UINT32 Response[4];\r | |
499 | EFI_STATUS Status;\r | |
40842a5e | 500 | UINTN CmdArg;\r |
969ece79 | 501 | INTN Timeout;\r |
e8e95df4 | 502 | UINTN Cmd;\r |
503 | MMC_HOST_INSTANCE *MmcHostInstance;\r | |
504 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
505 | UINTN BytesRemainingToBeTransfered;\r | |
506 | UINTN BlockCount = 1;\r | |
507 | \r | |
508 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS(This);\r | |
509 | ASSERT(MmcHostInstance != 0);\r | |
510 | MmcHost = MmcHostInstance->MmcHost;\r | |
511 | ASSERT(MmcHost);\r | |
512 | \r | |
969ece79 | 513 | if ((MmcHost == 0)|| (Buffer == NULL)) {\r |
e8e95df4 | 514 | return EFI_INVALID_PARAMETER;\r |
515 | }\r | |
516 | \r | |
517 | // Check if a Card is Present\r | |
3de99375 | 518 | if (!MmcHostInstance->BlockIo.Media->MediaPresent) {\r |
e8e95df4 | 519 | return EFI_NO_MEDIA;\r |
520 | }\r | |
521 | \r | |
969ece79 | 522 | // All blocks must be within the device\r |
523 | if ((Lba + (BufferSize / This->Media->BlockSize)) > (This->Media->LastBlock + 1)){\r | |
969ece79 | 524 | return EFI_INVALID_PARAMETER;\r |
e8e95df4 | 525 | }\r |
526 | \r | |
969ece79 | 527 | // The buffer size must not be zero and it must be an exact multiple of the block size\r |
528 | if ((BufferSize == 0) || ((BufferSize % This->Media->BlockSize) != 0)) {\r | |
969ece79 | 529 | return EFI_BAD_BUFFER_SIZE;\r |
530 | }\r | |
531 | \r | |
532 | if (This->Media->MediaId != MediaId) {\r | |
533 | return EFI_MEDIA_CHANGED;\r | |
534 | }\r | |
535 | \r | |
536 | if((Transfer == MMC_IOBLOCKS_WRITE) && (This->Media->ReadOnly == TRUE)) {\r | |
537 | return EFI_WRITE_PROTECTED;\r | |
e8e95df4 | 538 | }\r |
539 | \r | |
540 | BytesRemainingToBeTransfered = BufferSize;\r | |
541 | while (BytesRemainingToBeTransfered > 0) {\r | |
542 | \r | |
543 | // Check if the Card is in Ready status\r | |
544 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
545 | Response[0] = 0;\r | |
546 | Timeout = 20;\r | |
547 | while(!(Response[0] & MMC_R0_READY_FOR_DATA) && (MMC_R0_CURRENTSTATE(Response) != MMC_R0_STATE_TRAN) && Timeout--) {\r | |
16d88c2d | 548 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
e8e95df4 | 549 | if (!EFI_ERROR(Status)) {\r |
16d88c2d | 550 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1,Response);\r |
e8e95df4 | 551 | }\r |
1bfda055 | 552 | }\r |
553 | \r | |
e8e95df4 | 554 | if (0 == Timeout) {\r |
555 | DEBUG((EFI_D_ERROR, "The Card is busy\n"));\r | |
556 | return EFI_NOT_READY;\r | |
b9d5fe03 | 557 | }\r |
558 | \r | |
e8e95df4 | 559 | //Set command argument based on the card access mode (Byte mode or Block mode)\r |
560 | if (MmcHostInstance->CardInfo.OCRData.AccessMode & BIT1) {\r | |
561 | CmdArg = Lba;\r | |
562 | } else {\r | |
563 | CmdArg = Lba * This->Media->BlockSize;\r | |
564 | }\r | |
1bfda055 | 565 | \r |
e8e95df4 | 566 | if (Transfer == MMC_IOBLOCKS_READ) {\r |
1bfda055 | 567 | #ifndef USE_STREAM\r |
e8e95df4 | 568 | // Read a single block\r |
569 | Cmd = MMC_CMD17;\r | |
1bfda055 | 570 | #else\r |
e8e95df4 | 571 | //TODO: Should we support read stream (MMC_CMD11)\r |
1bfda055 | 572 | #endif\r |
e8e95df4 | 573 | } else {\r |
1bfda055 | 574 | #ifndef USE_STREAM\r |
e8e95df4 | 575 | // Write a single block\r |
576 | Cmd = MMC_CMD24;\r | |
1bfda055 | 577 | #else\r |
e8e95df4 | 578 | //TODO: Should we support write stream (MMC_CMD20)\r |
1bfda055 | 579 | #endif\r |
e8e95df4 | 580 | }\r |
16d88c2d | 581 | Status = MmcHost->SendCommand (MmcHost, Cmd, CmdArg);\r |
e8e95df4 | 582 | if (EFI_ERROR(Status)) {\r |
583 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD%d): Error %r\n",Cmd, Status));\r | |
584 | return Status;\r | |
585 | }\r | |
1bfda055 | 586 | \r |
e8e95df4 | 587 | if (Transfer == MMC_IOBLOCKS_READ) {\r |
1bfda055 | 588 | #ifndef USE_STREAM\r |
e8e95df4 | 589 | // Read one block of Data\r |
16d88c2d | 590 | Status = MmcHost->ReadBlockData (MmcHost, Lba,This->Media->BlockSize,Buffer);\r |
e8e95df4 | 591 | if (EFI_ERROR(Status)) {\r |
592 | DEBUG((EFI_D_BLKIO, "MmcIdentificationMode(): Error Read Block Data and Status = %r\n", Status));\r | |
593 | return Status;\r | |
594 | }\r | |
1bfda055 | 595 | #else\r |
e8e95df4 | 596 | //TODO: Read a steam\r |
597 | ASSERT(0);\r | |
1bfda055 | 598 | #endif\r |
e8e95df4 | 599 | Status = MmcNotifyState (MmcHostInstance, MmcProgrammingState);\r |
600 | if (EFI_ERROR(Status)) {\r | |
601 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcProgrammingState\n"));\r | |
602 | return Status;\r | |
603 | }\r | |
604 | } else {\r | |
1bfda055 | 605 | #ifndef USE_STREAM\r |
e8e95df4 | 606 | // Write one block of Data\r |
16d88c2d | 607 | Status = MmcHost->WriteBlockData (MmcHost, Lba,This->Media->BlockSize,Buffer);\r |
e8e95df4 | 608 | if (EFI_ERROR(Status)) {\r |
609 | DEBUG((EFI_D_BLKIO, "MmcIdentificationMode(): Error Write Block Data and Status = %r\n", Status));\r | |
610 | return Status;\r | |
611 | }\r | |
1bfda055 | 612 | #else\r |
e8e95df4 | 613 | //TODO: Write a steam\r |
614 | ASSERT(0);\r | |
1bfda055 | 615 | #endif\r |
e8e95df4 | 616 | }\r |
1bfda055 | 617 | \r |
e8e95df4 | 618 | // Command 12 - Stop transmission (ends read)\r |
16d88c2d | 619 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD12, 0);\r |
e8e95df4 | 620 | if (!EFI_ERROR(Status)) {\r |
16d88c2d | 621 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1b,Response);\r |
e8e95df4 | 622 | }\r |
1bfda055 | 623 | \r |
e8e95df4 | 624 | // Command 13 - Read status and wait for programming to complete (return to tran)\r |
625 | Timeout = MMCI0_TIMEOUT;\r | |
626 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
627 | Response[0] = 0;\r | |
628 | while(!(Response[0] & MMC_R0_READY_FOR_DATA) && (MMC_R0_CURRENTSTATE(Response) != MMC_R0_STATE_TRAN) && Timeout--) {\r | |
16d88c2d | 629 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
e8e95df4 | 630 | if (!EFI_ERROR(Status)) {\r |
16d88c2d | 631 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1,Response);\r |
e8e95df4 | 632 | }\r |
633 | NanoSecondDelay(100);\r | |
634 | Timeout--;\r | |
635 | }\r | |
1bfda055 | 636 | \r |
e8e95df4 | 637 | Status = MmcNotifyState (MmcHostInstance, MmcTransferState);\r |
638 | if (EFI_ERROR(Status)) {\r | |
639 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcTransferState\n"));\r | |
640 | return Status;\r | |
1bfda055 | 641 | }\r |
642 | \r | |
e8e95df4 | 643 | BytesRemainingToBeTransfered -= This->Media->BlockSize;\r |
644 | Lba += BlockCount;\r | |
645 | Buffer = (UINT8 *)Buffer + This->Media->BlockSize;\r | |
646 | }\r | |
647 | \r | |
648 | return EFI_SUCCESS;\r | |
1bfda055 | 649 | }\r |
650 | \r | |
651 | EFI_STATUS\r | |
652 | EFIAPI\r | |
653 | MmcReadBlocks (\r | |
654 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
655 | IN UINT32 MediaId,\r | |
656 | IN EFI_LBA Lba,\r | |
657 | IN UINTN BufferSize,\r | |
658 | OUT VOID *Buffer\r | |
e8e95df4 | 659 | )\r |
660 | {\r | |
661 | return MmcIoBlocks (This, MMC_IOBLOCKS_READ, MediaId, Lba, BufferSize, Buffer);\r | |
1bfda055 | 662 | }\r |
663 | \r | |
664 | EFI_STATUS\r | |
665 | EFIAPI\r | |
666 | MmcWriteBlocks (\r | |
667 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
668 | IN UINT32 MediaId,\r | |
669 | IN EFI_LBA Lba,\r | |
670 | IN UINTN BufferSize,\r | |
671 | IN VOID *Buffer\r | |
e8e95df4 | 672 | )\r |
673 | {\r | |
674 | return MmcIoBlocks (This, MMC_IOBLOCKS_WRITE, MediaId, Lba, BufferSize, Buffer);\r | |
1bfda055 | 675 | }\r |
676 | \r | |
677 | EFI_STATUS\r | |
678 | EFIAPI\r | |
679 | MmcFlushBlocks (\r | |
680 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
e8e95df4 | 681 | )\r |
682 | {\r | |
683 | return EFI_SUCCESS;\r | |
1bfda055 | 684 | }\r |
685 | \r |