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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 | |
e8e95df4 | 86 | VOID\r |
87 | PrintCSD (\r | |
88 | IN UINT32* Csd\r | |
89 | )\r | |
90 | {\r | |
91 | UINTN Value;\r | |
e862cd50 | 92 | #if !defined(MDEPKG_NDEBUG)\r |
e8e95df4 | 93 | CONST CHAR8* str_unit[] = { "100kbit/s","1Mbit/s","10Mbit/s","100MBit/s","Unkbown","Unkbown","Unkbown","Unkbown" };\r |
94 | CONST CHAR8* str_value[] = { "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 | |
e862cd50 | 95 | #endif\r |
e8e95df4 | 96 | \r |
97 | if (((Csd[2] >> 30) & 0x3) == 0) {\r | |
98 | DEBUG((EFI_D_ERROR, "- PrintCSD Version 1.01-1.10/Version 2.00/Standard Capacity\n"));\r | |
99 | } else if (((Csd[2] >> 30) & 0x3) == 1) {\r | |
100 | DEBUG((EFI_D_ERROR, "- PrintCSD Version 2.00/High Capacity\n"));\r | |
101 | } else {\r | |
102 | DEBUG((EFI_D_ERROR, "- PrintCSD Version Higher than v3.3\n"));\r | |
103 | }\r | |
104 | \r | |
105 | DEBUG((EFI_D_ERROR, "\t- Supported card command class: 0x%X\n",MMC_CSD_GET_CCC(Csd)));\r | |
106 | DEBUG((EFI_D_ERROR, "\t- Speed: %a %a\n",str_value[(MMC_CSD_GET_TRANSPEED(Csd) >> 3) & 0xF],str_unit[MMC_CSD_GET_TRANSPEED(Csd) & 7]));\r | |
107 | DEBUG((EFI_D_ERROR, "\t- Maximum Read Data Block: %d\n",2 << (MMC_CSD_GET_READBLLEN(Csd)-1)));\r | |
108 | DEBUG((EFI_D_ERROR, "\t- Maximum Write Data Block: %d\n",2 << (MMC_CSD_GET_WRITEBLLEN(Csd)-1)));\r | |
109 | \r | |
110 | if (!MMC_CSD_GET_FILEFORMATGRP(Csd)) {\r | |
111 | Value = MMC_CSD_GET_FILEFORMAT(Csd);\r | |
112 | if (Value == 0) DEBUG((EFI_D_ERROR, "\t- Format(0): Hard disk-like file system with partition table\n"));\r | |
113 | else if (Value == 1) DEBUG((EFI_D_ERROR, "\t- Format(1): DOS FAT (floppy-like) with boot sector only (no partition table)\n"));\r | |
114 | else if (Value == 2) DEBUG((EFI_D_ERROR, "\t- Format(2): Universal File Format\n"));\r | |
115 | else DEBUG((EFI_D_ERROR, "\t- Format(3): Others/Unknown\n"));\r | |
116 | } else {\r | |
117 | DEBUG((EFI_D_ERROR, "\t- Format: Reserved\n"));\r | |
118 | }\r | |
1bfda055 | 119 | }\r |
120 | \r | |
e8e95df4 | 121 | VOID\r |
122 | PrintRCA (\r | |
123 | IN UINT32 Rca\r | |
124 | )\r | |
125 | {\r | |
126 | DEBUG((EFI_D_ERROR, "- PrintRCA: 0x%X\n",Rca));\r | |
127 | DEBUG((EFI_D_ERROR, "\t- Status: 0x%X\n",Rca & 0xFFFF));\r | |
128 | DEBUG((EFI_D_ERROR, "\t- RCA: 0x%X\n",(Rca >> 16) & 0xFFFF));\r | |
1bfda055 | 129 | }\r |
130 | \r | |
e8e95df4 | 131 | VOID\r |
132 | PrintResponseR1 (\r | |
133 | IN UINT32 Response\r | |
134 | )\r | |
135 | {\r | |
136 | DEBUG((EFI_D_INFO, "Response: 0x%X\n",Response));\r | |
137 | if (Response & (1 << 8)) DEBUG((EFI_D_INFO, "\t- READY_FOR_DATA\n"));\r | |
138 | \r | |
139 | if (((Response >> 9) & 0xF) == 0) DEBUG((EFI_D_INFO, "\t- State: Idle\n"));\r | |
140 | else if (((Response >> 9) & 0xF) == 1) DEBUG((EFI_D_INFO, "\t- State: Ready\n"));\r | |
141 | else if (((Response >> 9) & 0xF) == 2) DEBUG((EFI_D_INFO, "\t- State: Ident\n"));\r | |
142 | else if (((Response >> 9) & 0xF) == 3) DEBUG((EFI_D_INFO, "\t- State: StandBy\n"));\r | |
143 | else if (((Response >> 9) & 0xF) == 4) DEBUG((EFI_D_INFO, "\t- State: Tran\n"));\r | |
144 | else if (((Response >> 9) & 0xF) == 5) DEBUG((EFI_D_INFO, "\t- State: Data\n"));\r | |
145 | else if (((Response >> 9) & 0xF) == 6) DEBUG((EFI_D_INFO, "\t- State: Rcv\n"));\r | |
146 | else if (((Response >> 9) & 0xF) == 7) DEBUG((EFI_D_INFO, "\t- State: Prg\n"));\r | |
147 | else if (((Response >> 9) & 0xF) == 8) DEBUG((EFI_D_INFO, "\t- State: Dis\n"));\r | |
148 | else DEBUG((EFI_D_INFO, "\t- State: Reserved\n"));\r | |
a1ab9143 | 149 | }\r |
150 | \r | |
151 | EFI_STATUS\r | |
152 | EFIAPI\r | |
153 | MmcGetCardStatus(\r | |
e8e95df4 | 154 | IN MMC_HOST_INSTANCE *MmcHostInstance\r |
155 | )\r | |
156 | {\r | |
157 | EFI_STATUS Status;\r | |
158 | UINT32 Response[4];\r | |
159 | UINTN CmdArg;\r | |
160 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
161 | \r | |
162 | Status = EFI_SUCCESS;\r | |
163 | MmcHost = MmcHostInstance->MmcHost;\r | |
164 | CmdArg = 0;\r | |
165 | \r | |
166 | if (MmcHost == NULL) {\r | |
167 | return EFI_INVALID_PARAMETER;\r | |
168 | }\r | |
169 | if(MmcHostInstance->State != MmcHwInitializationState){\r | |
170 | //Get the Status of the card.\r | |
171 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
16d88c2d | 172 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
e8e95df4 | 173 | if (EFI_ERROR(Status)) {\r |
174 | DEBUG((EFI_D_ERROR, "MmcGetCardStatus(MMC_CMD13): Error and Status = %r\n", Status));\r | |
e8e95df4 | 175 | return Status;\r |
a1ab9143 | 176 | }\r |
177 | \r | |
e8e95df4 | 178 | //Read Response\r |
16d88c2d | 179 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1,Response);\r |
e8e95df4 | 180 | PrintResponseR1(Response[0]);\r |
181 | }\r | |
182 | \r | |
183 | return Status;\r | |
1bfda055 | 184 | }\r |
185 | \r | |
186 | EFI_STATUS\r | |
187 | EFIAPI\r | |
188 | MmcIdentificationMode (\r | |
e8e95df4 | 189 | IN MMC_HOST_INSTANCE *MmcHostInstance\r |
190 | )\r | |
191 | {\r | |
192 | EFI_STATUS Status;\r | |
193 | UINT32 Response[4];\r | |
194 | UINTN Timeout;\r | |
195 | UINTN CmdArg;\r | |
196 | BOOLEAN IsHCS;\r | |
197 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
e8e95df4 | 198 | \r |
199 | MmcHost = MmcHostInstance->MmcHost;\r | |
200 | CmdArg = 0;\r | |
201 | IsHCS = FALSE;\r | |
202 | \r | |
203 | if (MmcHost == NULL) {\r | |
204 | return EFI_INVALID_PARAMETER;\r | |
205 | }\r | |
206 | \r | |
207 | // We can get into this function if we restart the identification mode\r | |
208 | if (MmcHostInstance->State == MmcHwInitializationState) {\r | |
209 | // Initialize the MMC Host HW\r | |
210 | Status = MmcNotifyState (MmcHostInstance, MmcHwInitializationState);\r | |
211 | if (EFI_ERROR(Status)) {\r | |
212 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcHwInitializationState\n"));\r | |
213 | return Status;\r | |
1bfda055 | 214 | }\r |
e8e95df4 | 215 | } else {\r |
216 | //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 | 217 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD0, 0);\r |
1bfda055 | 218 | if (EFI_ERROR(Status)) {\r |
e8e95df4 | 219 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD0): Error\n"));\r |
220 | return Status;\r | |
1bfda055 | 221 | }\r |
e8e95df4 | 222 | }\r |
223 | \r | |
224 | Status = MmcNotifyState (MmcHostInstance, MmcIdleState);\r | |
225 | if (EFI_ERROR(Status)) {\r | |
226 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdleState\n"));\r | |
227 | return Status;\r | |
228 | }\r | |
229 | \r | |
230 | // Are we using SDIO ?\r | |
16d88c2d | 231 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD5, 0);\r |
e8e95df4 | 232 | if (Status == EFI_SUCCESS) {\r |
233 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD5): Error - SDIO not supported.\n"));\r | |
234 | return EFI_UNSUPPORTED;\r | |
235 | }\r | |
236 | \r | |
237 | // Check which kind of card we are using. Ver2.00 or later SD Memory Card (PL180 is SD v1.1)\r | |
238 | CmdArg = (0x0UL << 12 | BIT8 | 0xCEUL << 0);\r | |
16d88c2d | 239 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD8, CmdArg);\r |
e8e95df4 | 240 | if (Status == EFI_SUCCESS) {\r |
241 | DEBUG ((EFI_D_ERROR, "Card is SD2.0 => Supports high capacity\n"));\r | |
242 | IsHCS = TRUE;\r | |
16d88c2d | 243 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R7,Response);\r |
e8e95df4 | 244 | PrintResponseR1(Response[0]);\r |
245 | //check if it is valid response\r | |
246 | if(Response[0] != CmdArg){\r | |
247 | DEBUG ((EFI_D_ERROR, "The Card is not usable\n"));\r | |
248 | return EFI_UNSUPPORTED;\r | |
1bfda055 | 249 | }\r |
e8e95df4 | 250 | } else {\r |
251 | DEBUG ((EFI_D_ERROR, "Not a SD2.0 Card\n"));\r | |
252 | }\r | |
253 | \r | |
254 | // We need to wait for the MMC or SD card is ready => (gCardInfo.OCRData.Busy == 1)\r | |
255 | Timeout = MAX_RETRY_COUNT;\r | |
256 | while (Timeout > 0) {\r | |
257 | // SD Card or MMC Card ? CMD55 indicates to the card that the next command is an application specific command\r | |
16d88c2d | 258 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD55, 0);\r |
1bfda055 | 259 | if (Status == EFI_SUCCESS) {\r |
e8e95df4 | 260 | DEBUG ((EFI_D_INFO, "Card should be SD\n"));\r |
261 | if (IsHCS) {\r | |
262 | MmcHostInstance->CardInfo.CardType = SD_CARD_2;\r | |
1bfda055 | 263 | } else {\r |
e8e95df4 | 264 | MmcHostInstance->CardInfo.CardType = SD_CARD;\r |
1bfda055 | 265 | }\r |
266 | \r | |
e8e95df4 | 267 | // Note: The first time CmdArg will be zero\r |
268 | CmdArg = ((UINTN *) &(MmcHostInstance->CardInfo.OCRData))[0];\r | |
269 | if (IsHCS) {\r | |
270 | CmdArg |= BIT30;\r | |
271 | }\r | |
16d88c2d | 272 | Status = MmcHost->SendCommand (MmcHost, MMC_ACMD41, CmdArg);\r |
a1ab9143 | 273 | if (!EFI_ERROR(Status)) {\r |
16d88c2d | 274 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR,Response);\r |
e8e95df4 | 275 | ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];\r |
1bfda055 | 276 | }\r |
1bfda055 | 277 | } else {\r |
e8e95df4 | 278 | DEBUG ((EFI_D_INFO, "Card should be MMC\n"));\r |
279 | MmcHostInstance->CardInfo.CardType = MMC_CARD;\r | |
1bfda055 | 280 | \r |
16d88c2d | 281 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD1, 0x800000);\r |
e8e95df4 | 282 | if (!EFI_ERROR(Status)) {\r |
16d88c2d | 283 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR,Response);\r |
e8e95df4 | 284 | ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];\r |
a1ab9143 | 285 | }\r |
1bfda055 | 286 | }\r |
1bfda055 | 287 | \r |
e8e95df4 | 288 | if (!EFI_ERROR(Status)) {\r |
289 | if (MmcHostInstance->CardInfo.OCRData.Busy == 0) {\r | |
290 | MicroSecondDelay(1);\r | |
291 | Timeout--;\r | |
292 | } else {\r | |
293 | if ((MmcHostInstance->CardInfo.CardType == SD_CARD_2) && (MmcHostInstance->CardInfo.OCRData.AccessMode & BIT1)) {\r | |
294 | MmcHostInstance->CardInfo.CardType = SD_CARD_2_HIGH;\r | |
295 | DEBUG ((EFI_D_ERROR, "High capacity card.\n"));\r | |
296 | }\r | |
297 | break; // The MMC/SD card is ready. Continue the Identification Mode\r | |
298 | }\r | |
1bfda055 | 299 | } else {\r |
e8e95df4 | 300 | MicroSecondDelay(1);\r |
301 | Timeout--;\r | |
1bfda055 | 302 | }\r |
e8e95df4 | 303 | }\r |
304 | \r | |
305 | if (Timeout == 0) {\r | |
306 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(): No Card\n"));\r | |
e8e95df4 | 307 | return EFI_NO_MEDIA;\r |
308 | } else {\r | |
309 | PrintOCR(Response[0]);\r | |
310 | }\r | |
311 | \r | |
312 | Status = MmcNotifyState (MmcHostInstance, MmcReadyState);\r | |
313 | if (EFI_ERROR(Status)) {\r | |
314 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcReadyState\n"));\r | |
315 | return Status;\r | |
316 | }\r | |
317 | \r | |
16d88c2d | 318 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD2, 0);\r |
e8e95df4 | 319 | if (EFI_ERROR(Status)) {\r |
320 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD2): Error\n"));\r | |
e8e95df4 | 321 | return Status;\r |
322 | }\r | |
16d88c2d | 323 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CID,Response);\r |
e8e95df4 | 324 | PrintCID(Response);\r |
325 | \r | |
326 | Status = MmcNotifyState (MmcHostInstance, MmcIdentificationState);\r | |
327 | if (EFI_ERROR(Status)) {\r | |
328 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdentificationState\n"));\r | |
329 | return Status;\r | |
330 | }\r | |
331 | \r | |
d8ad4736 | 332 | //\r |
333 | // Note, SD specifications say that "if the command execution causes a state change, it\r | |
334 | // will be visible to the host in the response to the next command"\r | |
335 | // The status returned for this CMD3 will be 2 - identification\r | |
336 | //\r | |
337 | CmdArg = 1;\r | |
16d88c2d | 338 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD3, CmdArg);\r |
d8ad4736 | 339 | if (EFI_ERROR(Status)) {\r |
340 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD3): Error\n"));\r | |
341 | return Status;\r | |
e8e95df4 | 342 | }\r |
343 | \r | |
16d88c2d | 344 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_RCA,Response);\r |
d8ad4736 | 345 | PrintRCA(Response[0]);\r |
346 | \r | |
e8e95df4 | 347 | // For MMC card, RCA is assigned by CMD3 while CMD3 dumps the RCA for SD card\r |
348 | if (MmcHostInstance->CardInfo.CardType != MMC_CARD) {\r | |
349 | MmcHostInstance->CardInfo.RCA = Response[0] >> 16;\r | |
350 | } else {\r | |
351 | MmcHostInstance->CardInfo.RCA = CmdArg;\r | |
352 | }\r | |
353 | \r | |
354 | Status = MmcNotifyState (MmcHostInstance, MmcStandByState);\r | |
355 | if (EFI_ERROR(Status)) {\r | |
356 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcStandByState\n"));\r | |
357 | return Status;\r | |
358 | }\r | |
359 | \r | |
360 | return EFI_SUCCESS;\r | |
1bfda055 | 361 | }\r |
362 | \r | |
16d88c2d | 363 | EFI_STATUS InitializeMmcDevice (\r |
40842a5e | 364 | IN MMC_HOST_INSTANCE *MmcHostInstance\r |
365 | )\r | |
366 | {\r | |
367 | UINT32 Response[4];\r | |
368 | EFI_STATUS Status;\r | |
369 | UINTN CardSize, NumBlocks, BlockSize, CmdArg;\r | |
370 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
371 | UINTN BlockCount = 1;\r | |
372 | \r | |
373 | MmcHost = MmcHostInstance->MmcHost;\r | |
374 | \r | |
375 | MmcIdentificationMode (MmcHostInstance);\r | |
376 | \r | |
377 | //Send a command to get Card specific data\r | |
378 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
16d88c2d | 379 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD9, CmdArg);\r |
40842a5e | 380 | if (EFI_ERROR(Status)) {\r |
381 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD9): Error, Status=%r\n", Status));\r | |
382 | return Status;\r | |
383 | }\r | |
384 | //Read Response\r | |
16d88c2d | 385 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CSD,Response);\r |
40842a5e | 386 | PrintCSD(Response);\r |
387 | \r | |
388 | if (MmcHostInstance->CardInfo.CardType == SD_CARD_2_HIGH) {\r | |
389 | CardSize = HC_MMC_CSD_GET_DEVICESIZE(Response);\r | |
390 | NumBlocks = ((CardSize + 1) * 1024);\r | |
391 | BlockSize = 1 << MMC_CSD_GET_READBLLEN(Response);\r | |
392 | } else {\r | |
393 | CardSize = MMC_CSD_GET_DEVICESIZE(Response);\r | |
394 | NumBlocks = (CardSize + 1) * (1 << (MMC_CSD_GET_DEVICESIZEMULT(Response) + 2));\r | |
395 | BlockSize = 1 << MMC_CSD_GET_READBLLEN(Response);\r | |
396 | }\r | |
397 | \r | |
398 | //For >=2G card, BlockSize may be 1K, but the transfer size is 512 bytes.\r | |
399 | if (BlockSize > 512) {\r | |
400 | NumBlocks = MultU64x32(NumBlocks, BlockSize/512);\r | |
401 | BlockSize = 512;\r | |
402 | }\r | |
403 | \r | |
404 | MmcHostInstance->BlockIo.Media->LastBlock = (NumBlocks - 1);\r | |
405 | MmcHostInstance->BlockIo.Media->BlockSize = BlockSize;\r | |
16d88c2d | 406 | MmcHostInstance->BlockIo.Media->ReadOnly = MmcHost->IsReadOnly (MmcHost);\r |
40842a5e | 407 | MmcHostInstance->BlockIo.Media->MediaPresent = TRUE;\r |
408 | MmcHostInstance->BlockIo.Media->MediaId++;\r | |
409 | \r | |
410 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
16d88c2d | 411 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD7, CmdArg);\r |
40842a5e | 412 | if (EFI_ERROR(Status)) {\r |
413 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD7): Error and Status = %r\n", Status));\r | |
414 | return Status;\r | |
415 | }\r | |
416 | \r | |
417 | Status = MmcNotifyState (MmcHostInstance, MmcTransferState);\r | |
418 | if (EFI_ERROR(Status)) {\r | |
419 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcTransferState\n"));\r | |
420 | return Status;\r | |
421 | }\r | |
422 | \r | |
423 | // Set Block Length\r | |
16d88c2d | 424 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD16, MmcHostInstance->BlockIo.Media->BlockSize);\r |
40842a5e | 425 | if (EFI_ERROR(Status)) {\r |
426 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD16): Error MmcHostInstance->BlockIo.Media->BlockSize: %d and Error = %r\n",MmcHostInstance->BlockIo.Media->BlockSize, Status));\r | |
427 | return Status;\r | |
428 | }\r | |
429 | \r | |
430 | // Block Count (not used). Could return an error for SD card\r | |
431 | if (MmcHostInstance->CardInfo.CardType == MMC_CARD) {\r | |
16d88c2d | 432 | MmcHost->SendCommand (MmcHost, MMC_CMD23, BlockCount);\r |
40842a5e | 433 | }\r |
434 | \r | |
435 | return EFI_SUCCESS;\r | |
436 | }\r | |
437 | \r | |
1bfda055 | 438 | EFI_STATUS\r |
439 | EFIAPI\r | |
440 | MmcReset (\r | |
441 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
442 | IN BOOLEAN ExtendedVerification\r | |
e8e95df4 | 443 | )\r |
444 | {\r | |
3de99375 | 445 | MMC_HOST_INSTANCE *MmcHostInstance;\r |
446 | \r | |
447 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS(This);\r | |
448 | \r | |
449 | if (MmcHostInstance->MmcHost == NULL) {\r | |
450 | // Nothing to do\r | |
451 | return EFI_SUCCESS;\r | |
452 | }\r | |
453 | \r | |
454 | // If a card is not present then clear all media settings\r | |
16d88c2d | 455 | if (!MmcHostInstance->MmcHost->IsCardPresent (MmcHostInstance->MmcHost)) {\r |
3de99375 | 456 | MmcHostInstance->BlockIo.Media->MediaPresent = FALSE;\r |
457 | MmcHostInstance->BlockIo.Media->LastBlock = 0;\r | |
458 | MmcHostInstance->BlockIo.Media->BlockSize = 512; // Should be zero but there is a bug in DiskIo\r | |
459 | MmcHostInstance->BlockIo.Media->ReadOnly = FALSE;\r | |
460 | \r | |
461 | // Indicate that the driver requires initialization\r | |
462 | MmcHostInstance->State = MmcHwInitializationState;\r | |
463 | \r | |
464 | return EFI_SUCCESS;\r | |
465 | }\r | |
466 | \r | |
e8e95df4 | 467 | // Implement me. Either send a CMD0 (could not work for some MMC host) or just turn off/turn\r |
468 | // on power and restart Identification mode\r | |
469 | return EFI_SUCCESS;\r | |
1bfda055 | 470 | }\r |
471 | \r | |
472 | EFI_STATUS\r | |
473 | MmcDetectCard (\r | |
474 | EFI_MMC_HOST_PROTOCOL *MmcHost\r | |
475 | )\r | |
476 | {\r | |
16d88c2d | 477 | if (!MmcHost->IsCardPresent (MmcHost)) {\r |
e8e95df4 | 478 | return EFI_NO_MEDIA;\r |
479 | } else {\r | |
480 | return EFI_SUCCESS;\r | |
481 | }\r | |
1bfda055 | 482 | }\r |
483 | \r | |
484 | #define MMCI0_BLOCKLEN 512\r | |
485 | #define MMCI0_TIMEOUT 10000\r | |
486 | \r | |
e8e95df4 | 487 | EFI_STATUS\r |
488 | MmcIoBlocks (\r | |
1bfda055 | 489 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
490 | IN UINTN Transfer,\r | |
491 | IN UINT32 MediaId,\r | |
492 | IN EFI_LBA Lba,\r | |
493 | IN UINTN BufferSize,\r | |
494 | OUT VOID *Buffer\r | |
e8e95df4 | 495 | )\r |
496 | {\r | |
497 | UINT32 Response[4];\r | |
498 | EFI_STATUS Status;\r | |
40842a5e | 499 | UINTN CmdArg;\r |
969ece79 | 500 | INTN Timeout;\r |
e8e95df4 | 501 | UINTN Cmd;\r |
502 | MMC_HOST_INSTANCE *MmcHostInstance;\r | |
503 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
504 | UINTN BytesRemainingToBeTransfered;\r | |
505 | UINTN BlockCount = 1;\r | |
506 | \r | |
507 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS(This);\r | |
508 | ASSERT(MmcHostInstance != 0);\r | |
509 | MmcHost = MmcHostInstance->MmcHost;\r | |
510 | ASSERT(MmcHost);\r | |
511 | \r | |
969ece79 | 512 | if ((MmcHost == 0)|| (Buffer == NULL)) {\r |
e8e95df4 | 513 | return EFI_INVALID_PARAMETER;\r |
514 | }\r | |
515 | \r | |
516 | // Check if a Card is Present\r | |
3de99375 | 517 | if (!MmcHostInstance->BlockIo.Media->MediaPresent) {\r |
e8e95df4 | 518 | return EFI_NO_MEDIA;\r |
519 | }\r | |
520 | \r | |
969ece79 | 521 | // All blocks must be within the device\r |
522 | if ((Lba + (BufferSize / This->Media->BlockSize)) > (This->Media->LastBlock + 1)){\r | |
969ece79 | 523 | return EFI_INVALID_PARAMETER;\r |
e8e95df4 | 524 | }\r |
525 | \r | |
969ece79 | 526 | // The buffer size must not be zero and it must be an exact multiple of the block size\r |
527 | if ((BufferSize == 0) || ((BufferSize % This->Media->BlockSize) != 0)) {\r | |
969ece79 | 528 | return EFI_BAD_BUFFER_SIZE;\r |
529 | }\r | |
530 | \r | |
531 | if (This->Media->MediaId != MediaId) {\r | |
532 | return EFI_MEDIA_CHANGED;\r | |
533 | }\r | |
534 | \r | |
535 | if((Transfer == MMC_IOBLOCKS_WRITE) && (This->Media->ReadOnly == TRUE)) {\r | |
536 | return EFI_WRITE_PROTECTED;\r | |
e8e95df4 | 537 | }\r |
538 | \r | |
539 | BytesRemainingToBeTransfered = BufferSize;\r | |
540 | while (BytesRemainingToBeTransfered > 0) {\r | |
541 | \r | |
542 | // Check if the Card is in Ready status\r | |
543 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
544 | Response[0] = 0;\r | |
545 | Timeout = 20;\r | |
546 | while(!(Response[0] & MMC_R0_READY_FOR_DATA) && (MMC_R0_CURRENTSTATE(Response) != MMC_R0_STATE_TRAN) && Timeout--) {\r | |
16d88c2d | 547 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
e8e95df4 | 548 | if (!EFI_ERROR(Status)) {\r |
16d88c2d | 549 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1,Response);\r |
e8e95df4 | 550 | }\r |
1bfda055 | 551 | }\r |
552 | \r | |
e8e95df4 | 553 | if (0 == Timeout) {\r |
554 | DEBUG((EFI_D_ERROR, "The Card is busy\n"));\r | |
555 | return EFI_NOT_READY;\r | |
b9d5fe03 | 556 | }\r |
557 | \r | |
e8e95df4 | 558 | //Set command argument based on the card access mode (Byte mode or Block mode)\r |
559 | if (MmcHostInstance->CardInfo.OCRData.AccessMode & BIT1) {\r | |
560 | CmdArg = Lba;\r | |
561 | } else {\r | |
562 | CmdArg = Lba * This->Media->BlockSize;\r | |
563 | }\r | |
1bfda055 | 564 | \r |
e8e95df4 | 565 | if (Transfer == MMC_IOBLOCKS_READ) {\r |
1bfda055 | 566 | #ifndef USE_STREAM\r |
e8e95df4 | 567 | // Read a single block\r |
568 | Cmd = MMC_CMD17;\r | |
1bfda055 | 569 | #else\r |
e8e95df4 | 570 | //TODO: Should we support read stream (MMC_CMD11)\r |
1bfda055 | 571 | #endif\r |
e8e95df4 | 572 | } else {\r |
1bfda055 | 573 | #ifndef USE_STREAM\r |
e8e95df4 | 574 | // Write a single block\r |
575 | Cmd = MMC_CMD24;\r | |
1bfda055 | 576 | #else\r |
e8e95df4 | 577 | //TODO: Should we support write stream (MMC_CMD20)\r |
1bfda055 | 578 | #endif\r |
e8e95df4 | 579 | }\r |
16d88c2d | 580 | Status = MmcHost->SendCommand (MmcHost, Cmd, CmdArg);\r |
e8e95df4 | 581 | if (EFI_ERROR(Status)) {\r |
582 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD%d): Error %r\n",Cmd, Status));\r | |
583 | return Status;\r | |
584 | }\r | |
1bfda055 | 585 | \r |
e8e95df4 | 586 | if (Transfer == MMC_IOBLOCKS_READ) {\r |
1bfda055 | 587 | #ifndef USE_STREAM\r |
e8e95df4 | 588 | // Read one block of Data\r |
16d88c2d | 589 | Status = MmcHost->ReadBlockData (MmcHost, Lba,This->Media->BlockSize,Buffer);\r |
e8e95df4 | 590 | if (EFI_ERROR(Status)) {\r |
591 | DEBUG((EFI_D_BLKIO, "MmcIdentificationMode(): Error Read Block Data and Status = %r\n", Status));\r | |
592 | return Status;\r | |
593 | }\r | |
1bfda055 | 594 | #else\r |
e8e95df4 | 595 | //TODO: Read a steam\r |
596 | ASSERT(0);\r | |
1bfda055 | 597 | #endif\r |
e8e95df4 | 598 | Status = MmcNotifyState (MmcHostInstance, MmcProgrammingState);\r |
599 | if (EFI_ERROR(Status)) {\r | |
600 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcProgrammingState\n"));\r | |
601 | return Status;\r | |
602 | }\r | |
603 | } else {\r | |
1bfda055 | 604 | #ifndef USE_STREAM\r |
e8e95df4 | 605 | // Write one block of Data\r |
16d88c2d | 606 | Status = MmcHost->WriteBlockData (MmcHost, Lba,This->Media->BlockSize,Buffer);\r |
e8e95df4 | 607 | if (EFI_ERROR(Status)) {\r |
608 | DEBUG((EFI_D_BLKIO, "MmcIdentificationMode(): Error Write Block Data and Status = %r\n", Status));\r | |
609 | return Status;\r | |
610 | }\r | |
1bfda055 | 611 | #else\r |
e8e95df4 | 612 | //TODO: Write a steam\r |
613 | ASSERT(0);\r | |
1bfda055 | 614 | #endif\r |
e8e95df4 | 615 | }\r |
1bfda055 | 616 | \r |
e8e95df4 | 617 | // Command 12 - Stop transmission (ends read)\r |
16d88c2d | 618 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD12, 0);\r |
e8e95df4 | 619 | if (!EFI_ERROR(Status)) {\r |
16d88c2d | 620 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1b,Response);\r |
e8e95df4 | 621 | }\r |
1bfda055 | 622 | \r |
e8e95df4 | 623 | // Command 13 - Read status and wait for programming to complete (return to tran)\r |
624 | Timeout = MMCI0_TIMEOUT;\r | |
625 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
626 | Response[0] = 0;\r | |
627 | while(!(Response[0] & MMC_R0_READY_FOR_DATA) && (MMC_R0_CURRENTSTATE(Response) != MMC_R0_STATE_TRAN) && Timeout--) {\r | |
16d88c2d | 628 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
e8e95df4 | 629 | if (!EFI_ERROR(Status)) {\r |
16d88c2d | 630 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1,Response);\r |
e8e95df4 | 631 | }\r |
632 | NanoSecondDelay(100);\r | |
633 | Timeout--;\r | |
634 | }\r | |
1bfda055 | 635 | \r |
e8e95df4 | 636 | Status = MmcNotifyState (MmcHostInstance, MmcTransferState);\r |
637 | if (EFI_ERROR(Status)) {\r | |
638 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcTransferState\n"));\r | |
639 | return Status;\r | |
1bfda055 | 640 | }\r |
641 | \r | |
e8e95df4 | 642 | BytesRemainingToBeTransfered -= This->Media->BlockSize;\r |
643 | Lba += BlockCount;\r | |
644 | Buffer = (UINT8 *)Buffer + This->Media->BlockSize;\r | |
645 | }\r | |
646 | \r | |
647 | return EFI_SUCCESS;\r | |
1bfda055 | 648 | }\r |
649 | \r | |
650 | EFI_STATUS\r | |
651 | EFIAPI\r | |
652 | MmcReadBlocks (\r | |
653 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
654 | IN UINT32 MediaId,\r | |
655 | IN EFI_LBA Lba,\r | |
656 | IN UINTN BufferSize,\r | |
657 | OUT VOID *Buffer\r | |
e8e95df4 | 658 | )\r |
659 | {\r | |
660 | return MmcIoBlocks (This, MMC_IOBLOCKS_READ, MediaId, Lba, BufferSize, Buffer);\r | |
1bfda055 | 661 | }\r |
662 | \r | |
663 | EFI_STATUS\r | |
664 | EFIAPI\r | |
665 | MmcWriteBlocks (\r | |
666 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
667 | IN UINT32 MediaId,\r | |
668 | IN EFI_LBA Lba,\r | |
669 | IN UINTN BufferSize,\r | |
670 | IN VOID *Buffer\r | |
e8e95df4 | 671 | )\r |
672 | {\r | |
673 | return MmcIoBlocks (This, MMC_IOBLOCKS_WRITE, MediaId, Lba, BufferSize, Buffer);\r | |
1bfda055 | 674 | }\r |
675 | \r | |
676 | EFI_STATUS\r | |
677 | EFIAPI\r | |
678 | MmcFlushBlocks (\r | |
679 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
e8e95df4 | 680 | )\r |
681 | {\r | |
682 | return EFI_SUCCESS;\r | |
1bfda055 | 683 | }\r |
684 | \r |