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1bfda055 | 1 | /** @file\r |
2 | *\r | |
492e34a5 | 3 | * Copyright (c) 2011-2012, ARM Limited. All rights reserved.\r |
1bfda055 | 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 | |
260675b0 | 43 | UINTN minv;\r |
44 | UINTN maxv;\r | |
45 | UINTN volts;\r | |
e8e95df4 | 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 | |
1bfda055 | 57 | }\r |
e8e95df4 | 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 | |
1bfda055 | 74 | }\r |
75 | \r | |
e8e95df4 | 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 | |
1bfda055 | 86 | }\r |
87 | \r | |
8f964e8d | 88 | #if !defined(MDEPKG_NDEBUG)\r |
89 | CONST CHAR8* mStrUnit[] = { "100kbit/s","1Mbit/s","10Mbit/s","100MBit/s","Unkbown","Unkbown","Unkbown","Unkbown" };\r | |
90 | 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 | |
91 | #endif\r | |
92 | \r | |
e8e95df4 | 93 | VOID\r |
94 | PrintCSD (\r | |
95 | IN UINT32* Csd\r | |
96 | )\r | |
97 | {\r | |
98 | UINTN Value;\r | |
e8e95df4 | 99 | \r |
100 | if (((Csd[2] >> 30) & 0x3) == 0) {\r | |
101 | DEBUG((EFI_D_ERROR, "- PrintCSD Version 1.01-1.10/Version 2.00/Standard Capacity\n"));\r | |
102 | } else if (((Csd[2] >> 30) & 0x3) == 1) {\r | |
103 | DEBUG((EFI_D_ERROR, "- PrintCSD Version 2.00/High Capacity\n"));\r | |
104 | } else {\r | |
105 | DEBUG((EFI_D_ERROR, "- PrintCSD Version Higher than v3.3\n"));\r | |
106 | }\r | |
107 | \r | |
108 | DEBUG((EFI_D_ERROR, "\t- Supported card command class: 0x%X\n",MMC_CSD_GET_CCC(Csd)));\r | |
8f964e8d | 109 | 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 | 110 | DEBUG((EFI_D_ERROR, "\t- Maximum Read Data Block: %d\n",2 << (MMC_CSD_GET_READBLLEN(Csd)-1)));\r |
111 | DEBUG((EFI_D_ERROR, "\t- Maximum Write Data Block: %d\n",2 << (MMC_CSD_GET_WRITEBLLEN(Csd)-1)));\r | |
112 | \r | |
113 | if (!MMC_CSD_GET_FILEFORMATGRP(Csd)) {\r | |
114 | Value = MMC_CSD_GET_FILEFORMAT(Csd);\r | |
115 | if (Value == 0) DEBUG((EFI_D_ERROR, "\t- Format(0): Hard disk-like file system with partition table\n"));\r | |
116 | else if (Value == 1) DEBUG((EFI_D_ERROR, "\t- Format(1): DOS FAT (floppy-like) with boot sector only (no partition table)\n"));\r | |
117 | else if (Value == 2) DEBUG((EFI_D_ERROR, "\t- Format(2): Universal File Format\n"));\r | |
118 | else DEBUG((EFI_D_ERROR, "\t- Format(3): Others/Unknown\n"));\r | |
119 | } else {\r | |
120 | DEBUG((EFI_D_ERROR, "\t- Format: Reserved\n"));\r | |
121 | }\r | |
1bfda055 | 122 | }\r |
123 | \r | |
e8e95df4 | 124 | VOID\r |
125 | PrintRCA (\r | |
126 | IN UINT32 Rca\r | |
127 | )\r | |
128 | {\r | |
129 | DEBUG((EFI_D_ERROR, "- PrintRCA: 0x%X\n",Rca));\r | |
130 | DEBUG((EFI_D_ERROR, "\t- Status: 0x%X\n",Rca & 0xFFFF));\r | |
131 | DEBUG((EFI_D_ERROR, "\t- RCA: 0x%X\n",(Rca >> 16) & 0xFFFF));\r | |
1bfda055 | 132 | }\r |
133 | \r | |
e8e95df4 | 134 | VOID\r |
135 | PrintResponseR1 (\r | |
136 | IN UINT32 Response\r | |
137 | )\r | |
138 | {\r | |
139 | DEBUG((EFI_D_INFO, "Response: 0x%X\n",Response));\r | |
260675b0 | 140 | if (Response & MMC_R0_READY_FOR_DATA) DEBUG((EFI_D_INFO, "\t- READY_FOR_DATA\n"));\r |
e8e95df4 | 141 | \r |
142 | if (((Response >> 9) & 0xF) == 0) DEBUG((EFI_D_INFO, "\t- State: Idle\n"));\r | |
143 | else if (((Response >> 9) & 0xF) == 1) DEBUG((EFI_D_INFO, "\t- State: Ready\n"));\r | |
144 | else if (((Response >> 9) & 0xF) == 2) DEBUG((EFI_D_INFO, "\t- State: Ident\n"));\r | |
145 | else if (((Response >> 9) & 0xF) == 3) DEBUG((EFI_D_INFO, "\t- State: StandBy\n"));\r | |
146 | else if (((Response >> 9) & 0xF) == 4) DEBUG((EFI_D_INFO, "\t- State: Tran\n"));\r | |
147 | else if (((Response >> 9) & 0xF) == 5) DEBUG((EFI_D_INFO, "\t- State: Data\n"));\r | |
148 | else if (((Response >> 9) & 0xF) == 6) DEBUG((EFI_D_INFO, "\t- State: Rcv\n"));\r | |
149 | else if (((Response >> 9) & 0xF) == 7) DEBUG((EFI_D_INFO, "\t- State: Prg\n"));\r | |
150 | else if (((Response >> 9) & 0xF) == 8) DEBUG((EFI_D_INFO, "\t- State: Dis\n"));\r | |
151 | else DEBUG((EFI_D_INFO, "\t- State: Reserved\n"));\r | |
a1ab9143 | 152 | }\r |
153 | \r | |
154 | EFI_STATUS\r | |
155 | EFIAPI\r | |
156 | MmcGetCardStatus(\r | |
e8e95df4 | 157 | IN MMC_HOST_INSTANCE *MmcHostInstance\r |
158 | )\r | |
159 | {\r | |
160 | EFI_STATUS Status;\r | |
161 | UINT32 Response[4];\r | |
162 | UINTN CmdArg;\r | |
163 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
164 | \r | |
165 | Status = EFI_SUCCESS;\r | |
166 | MmcHost = MmcHostInstance->MmcHost;\r | |
167 | CmdArg = 0;\r | |
168 | \r | |
169 | if (MmcHost == NULL) {\r | |
170 | return EFI_INVALID_PARAMETER;\r | |
171 | }\r | |
172 | if(MmcHostInstance->State != MmcHwInitializationState){\r | |
173 | //Get the Status of the card.\r | |
174 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
16d88c2d | 175 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
e8e95df4 | 176 | if (EFI_ERROR(Status)) {\r |
177 | DEBUG((EFI_D_ERROR, "MmcGetCardStatus(MMC_CMD13): Error and Status = %r\n", Status));\r | |
e8e95df4 | 178 | return Status;\r |
a1ab9143 | 179 | }\r |
180 | \r | |
e8e95df4 | 181 | //Read Response\r |
16d88c2d | 182 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1,Response);\r |
e8e95df4 | 183 | PrintResponseR1(Response[0]);\r |
184 | }\r | |
185 | \r | |
186 | return Status;\r | |
1bfda055 | 187 | }\r |
188 | \r | |
189 | EFI_STATUS\r | |
190 | EFIAPI\r | |
191 | MmcIdentificationMode (\r | |
e8e95df4 | 192 | IN MMC_HOST_INSTANCE *MmcHostInstance\r |
193 | )\r | |
194 | {\r | |
195 | EFI_STATUS Status;\r | |
196 | UINT32 Response[4];\r | |
197 | UINTN Timeout;\r | |
198 | UINTN CmdArg;\r | |
199 | BOOLEAN IsHCS;\r | |
200 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
e8e95df4 | 201 | \r |
202 | MmcHost = MmcHostInstance->MmcHost;\r | |
203 | CmdArg = 0;\r | |
204 | IsHCS = FALSE;\r | |
205 | \r | |
206 | if (MmcHost == NULL) {\r | |
207 | return EFI_INVALID_PARAMETER;\r | |
208 | }\r | |
209 | \r | |
210 | // We can get into this function if we restart the identification mode\r | |
211 | if (MmcHostInstance->State == MmcHwInitializationState) {\r | |
212 | // Initialize the MMC Host HW\r | |
213 | Status = MmcNotifyState (MmcHostInstance, MmcHwInitializationState);\r | |
214 | if (EFI_ERROR(Status)) {\r | |
215 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcHwInitializationState\n"));\r | |
216 | return Status;\r | |
1bfda055 | 217 | }\r |
fc78c48e | 218 | }\r |
219 | \r | |
220 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD0, 0);\r | |
221 | if (EFI_ERROR(Status)) {\r | |
222 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD0): Error\n"));\r | |
223 | return Status;\r | |
e8e95df4 | 224 | }\r |
225 | \r | |
226 | Status = MmcNotifyState (MmcHostInstance, MmcIdleState);\r | |
227 | if (EFI_ERROR(Status)) {\r | |
228 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdleState\n"));\r | |
229 | return Status;\r | |
230 | }\r | |
231 | \r | |
232 | // Are we using SDIO ?\r | |
16d88c2d | 233 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD5, 0);\r |
e8e95df4 | 234 | if (Status == EFI_SUCCESS) {\r |
235 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD5): Error - SDIO not supported.\n"));\r | |
236 | return EFI_UNSUPPORTED;\r | |
237 | }\r | |
238 | \r | |
239 | // Check which kind of card we are using. Ver2.00 or later SD Memory Card (PL180 is SD v1.1)\r | |
240 | CmdArg = (0x0UL << 12 | BIT8 | 0xCEUL << 0);\r | |
16d88c2d | 241 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD8, CmdArg);\r |
e8e95df4 | 242 | if (Status == EFI_SUCCESS) {\r |
243 | DEBUG ((EFI_D_ERROR, "Card is SD2.0 => Supports high capacity\n"));\r | |
244 | IsHCS = TRUE;\r | |
16d88c2d | 245 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R7,Response);\r |
e8e95df4 | 246 | PrintResponseR1(Response[0]);\r |
247 | //check if it is valid response\r | |
248 | if(Response[0] != CmdArg){\r | |
249 | DEBUG ((EFI_D_ERROR, "The Card is not usable\n"));\r | |
250 | return EFI_UNSUPPORTED;\r | |
1bfda055 | 251 | }\r |
e8e95df4 | 252 | } else {\r |
253 | DEBUG ((EFI_D_ERROR, "Not a SD2.0 Card\n"));\r | |
254 | }\r | |
255 | \r | |
492e34a5 | 256 | // We need to wait for the MMC or SD card is ready => (gCardInfo.OCRData.PowerUp == 1)\r |
e8e95df4 | 257 | Timeout = MAX_RETRY_COUNT;\r |
258 | while (Timeout > 0) {\r | |
259 | // SD Card or MMC Card ? CMD55 indicates to the card that the next command is an application specific command\r | |
16d88c2d | 260 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD55, 0);\r |
1bfda055 | 261 | if (Status == EFI_SUCCESS) {\r |
e8e95df4 | 262 | DEBUG ((EFI_D_INFO, "Card should be SD\n"));\r |
263 | if (IsHCS) {\r | |
264 | MmcHostInstance->CardInfo.CardType = SD_CARD_2;\r | |
1bfda055 | 265 | } else {\r |
e8e95df4 | 266 | MmcHostInstance->CardInfo.CardType = SD_CARD;\r |
1bfda055 | 267 | }\r |
268 | \r | |
e8e95df4 | 269 | // Note: The first time CmdArg will be zero\r |
270 | CmdArg = ((UINTN *) &(MmcHostInstance->CardInfo.OCRData))[0];\r | |
271 | if (IsHCS) {\r | |
272 | CmdArg |= BIT30;\r | |
273 | }\r | |
16d88c2d | 274 | Status = MmcHost->SendCommand (MmcHost, MMC_ACMD41, CmdArg);\r |
a1ab9143 | 275 | if (!EFI_ERROR(Status)) {\r |
16d88c2d | 276 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR,Response);\r |
e8e95df4 | 277 | ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];\r |
1bfda055 | 278 | }\r |
1bfda055 | 279 | } else {\r |
e8e95df4 | 280 | DEBUG ((EFI_D_INFO, "Card should be MMC\n"));\r |
281 | MmcHostInstance->CardInfo.CardType = MMC_CARD;\r | |
1bfda055 | 282 | \r |
16d88c2d | 283 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD1, 0x800000);\r |
e8e95df4 | 284 | if (!EFI_ERROR(Status)) {\r |
16d88c2d | 285 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR,Response);\r |
e8e95df4 | 286 | ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];\r |
a1ab9143 | 287 | }\r |
1bfda055 | 288 | }\r |
1bfda055 | 289 | \r |
e8e95df4 | 290 | if (!EFI_ERROR(Status)) {\r |
492e34a5 | 291 | if (!MmcHostInstance->CardInfo.OCRData.PowerUp) {\r |
e8e95df4 | 292 | MicroSecondDelay(1);\r |
293 | Timeout--;\r | |
294 | } else {\r | |
295 | if ((MmcHostInstance->CardInfo.CardType == SD_CARD_2) && (MmcHostInstance->CardInfo.OCRData.AccessMode & BIT1)) {\r | |
296 | MmcHostInstance->CardInfo.CardType = SD_CARD_2_HIGH;\r | |
297 | DEBUG ((EFI_D_ERROR, "High capacity card.\n"));\r | |
298 | }\r | |
299 | break; // The MMC/SD card is ready. Continue the Identification Mode\r | |
300 | }\r | |
1bfda055 | 301 | } else {\r |
e8e95df4 | 302 | MicroSecondDelay(1);\r |
303 | Timeout--;\r | |
1bfda055 | 304 | }\r |
e8e95df4 | 305 | }\r |
306 | \r | |
307 | if (Timeout == 0) {\r | |
308 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(): No Card\n"));\r | |
e8e95df4 | 309 | return EFI_NO_MEDIA;\r |
310 | } else {\r | |
311 | PrintOCR(Response[0]);\r | |
312 | }\r | |
313 | \r | |
314 | Status = MmcNotifyState (MmcHostInstance, MmcReadyState);\r | |
315 | if (EFI_ERROR(Status)) {\r | |
316 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcReadyState\n"));\r | |
317 | return Status;\r | |
318 | }\r | |
319 | \r | |
16d88c2d | 320 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD2, 0);\r |
e8e95df4 | 321 | if (EFI_ERROR(Status)) {\r |
322 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD2): Error\n"));\r | |
e8e95df4 | 323 | return Status;\r |
324 | }\r | |
16d88c2d | 325 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CID,Response);\r |
e8e95df4 | 326 | PrintCID(Response);\r |
327 | \r | |
328 | Status = MmcNotifyState (MmcHostInstance, MmcIdentificationState);\r | |
329 | if (EFI_ERROR(Status)) {\r | |
330 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdentificationState\n"));\r | |
331 | return Status;\r | |
332 | }\r | |
333 | \r | |
d8ad4736 | 334 | //\r |
335 | // Note, SD specifications say that "if the command execution causes a state change, it\r | |
336 | // will be visible to the host in the response to the next command"\r | |
337 | // The status returned for this CMD3 will be 2 - identification\r | |
338 | //\r | |
339 | CmdArg = 1;\r | |
16d88c2d | 340 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD3, CmdArg);\r |
d8ad4736 | 341 | if (EFI_ERROR(Status)) {\r |
342 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD3): Error\n"));\r | |
343 | return Status;\r | |
e8e95df4 | 344 | }\r |
345 | \r | |
16d88c2d | 346 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_RCA,Response);\r |
d8ad4736 | 347 | PrintRCA(Response[0]);\r |
348 | \r | |
e8e95df4 | 349 | // For MMC card, RCA is assigned by CMD3 while CMD3 dumps the RCA for SD card\r |
350 | if (MmcHostInstance->CardInfo.CardType != MMC_CARD) {\r | |
351 | MmcHostInstance->CardInfo.RCA = Response[0] >> 16;\r | |
352 | } else {\r | |
353 | MmcHostInstance->CardInfo.RCA = CmdArg;\r | |
354 | }\r | |
355 | \r | |
356 | Status = MmcNotifyState (MmcHostInstance, MmcStandByState);\r | |
357 | if (EFI_ERROR(Status)) {\r | |
358 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcStandByState\n"));\r | |
359 | return Status;\r | |
360 | }\r | |
361 | \r | |
362 | return EFI_SUCCESS;\r | |
1bfda055 | 363 | }\r |
364 | \r | |
16d88c2d | 365 | EFI_STATUS InitializeMmcDevice (\r |
40842a5e | 366 | IN MMC_HOST_INSTANCE *MmcHostInstance\r |
367 | )\r | |
368 | {\r | |
369 | UINT32 Response[4];\r | |
370 | EFI_STATUS Status;\r | |
371 | UINTN CardSize, NumBlocks, BlockSize, CmdArg;\r | |
372 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
373 | UINTN BlockCount = 1;\r | |
374 | \r | |
375 | MmcHost = MmcHostInstance->MmcHost;\r | |
376 | \r | |
377 | MmcIdentificationMode (MmcHostInstance);\r | |
378 | \r | |
379 | //Send a command to get Card specific data\r | |
380 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
16d88c2d | 381 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD9, CmdArg);\r |
40842a5e | 382 | if (EFI_ERROR(Status)) {\r |
383 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD9): Error, Status=%r\n", Status));\r | |
384 | return Status;\r | |
385 | }\r | |
386 | //Read Response\r | |
16d88c2d | 387 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CSD,Response);\r |
40842a5e | 388 | PrintCSD(Response);\r |
389 | \r | |
390 | if (MmcHostInstance->CardInfo.CardType == SD_CARD_2_HIGH) {\r | |
391 | CardSize = HC_MMC_CSD_GET_DEVICESIZE(Response);\r | |
392 | NumBlocks = ((CardSize + 1) * 1024);\r | |
393 | BlockSize = 1 << MMC_CSD_GET_READBLLEN(Response);\r | |
394 | } else {\r | |
395 | CardSize = MMC_CSD_GET_DEVICESIZE(Response);\r | |
396 | NumBlocks = (CardSize + 1) * (1 << (MMC_CSD_GET_DEVICESIZEMULT(Response) + 2));\r | |
397 | BlockSize = 1 << MMC_CSD_GET_READBLLEN(Response);\r | |
398 | }\r | |
399 | \r | |
400 | //For >=2G card, BlockSize may be 1K, but the transfer size is 512 bytes.\r | |
401 | if (BlockSize > 512) {\r | |
402 | NumBlocks = MultU64x32(NumBlocks, BlockSize/512);\r | |
403 | BlockSize = 512;\r | |
404 | }\r | |
405 | \r | |
406 | MmcHostInstance->BlockIo.Media->LastBlock = (NumBlocks - 1);\r | |
407 | MmcHostInstance->BlockIo.Media->BlockSize = BlockSize;\r | |
16d88c2d | 408 | MmcHostInstance->BlockIo.Media->ReadOnly = MmcHost->IsReadOnly (MmcHost);\r |
40842a5e | 409 | MmcHostInstance->BlockIo.Media->MediaPresent = TRUE;\r |
410 | MmcHostInstance->BlockIo.Media->MediaId++;\r | |
411 | \r | |
412 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
16d88c2d | 413 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD7, CmdArg);\r |
40842a5e | 414 | if (EFI_ERROR(Status)) {\r |
415 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD7): Error and Status = %r\n", Status));\r | |
416 | return Status;\r | |
417 | }\r | |
418 | \r | |
419 | Status = MmcNotifyState (MmcHostInstance, MmcTransferState);\r | |
420 | if (EFI_ERROR(Status)) {\r | |
421 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcTransferState\n"));\r | |
422 | return Status;\r | |
423 | }\r | |
424 | \r | |
425 | // Set Block Length\r | |
16d88c2d | 426 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD16, MmcHostInstance->BlockIo.Media->BlockSize);\r |
40842a5e | 427 | if (EFI_ERROR(Status)) {\r |
428 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD16): Error MmcHostInstance->BlockIo.Media->BlockSize: %d and Error = %r\n",MmcHostInstance->BlockIo.Media->BlockSize, Status));\r | |
429 | return Status;\r | |
430 | }\r | |
431 | \r | |
432 | // Block Count (not used). Could return an error for SD card\r | |
433 | if (MmcHostInstance->CardInfo.CardType == MMC_CARD) {\r | |
16d88c2d | 434 | MmcHost->SendCommand (MmcHost, MMC_CMD23, BlockCount);\r |
40842a5e | 435 | }\r |
436 | \r | |
437 | return EFI_SUCCESS;\r | |
438 | }\r | |
439 | \r | |
1bfda055 | 440 | EFI_STATUS\r |
441 | EFIAPI\r | |
442 | MmcReset (\r | |
443 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
444 | IN BOOLEAN ExtendedVerification\r | |
e8e95df4 | 445 | )\r |
446 | {\r | |
3de99375 | 447 | MMC_HOST_INSTANCE *MmcHostInstance;\r |
448 | \r | |
449 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS(This);\r | |
450 | \r | |
451 | if (MmcHostInstance->MmcHost == NULL) {\r | |
452 | // Nothing to do\r | |
453 | return EFI_SUCCESS;\r | |
454 | }\r | |
455 | \r | |
456 | // If a card is not present then clear all media settings\r | |
16d88c2d | 457 | if (!MmcHostInstance->MmcHost->IsCardPresent (MmcHostInstance->MmcHost)) {\r |
3de99375 | 458 | MmcHostInstance->BlockIo.Media->MediaPresent = FALSE;\r |
459 | MmcHostInstance->BlockIo.Media->LastBlock = 0;\r | |
460 | MmcHostInstance->BlockIo.Media->BlockSize = 512; // Should be zero but there is a bug in DiskIo\r | |
461 | MmcHostInstance->BlockIo.Media->ReadOnly = FALSE;\r | |
462 | \r | |
463 | // Indicate that the driver requires initialization\r | |
464 | MmcHostInstance->State = MmcHwInitializationState;\r | |
465 | \r | |
466 | return EFI_SUCCESS;\r | |
467 | }\r | |
468 | \r | |
e8e95df4 | 469 | // Implement me. Either send a CMD0 (could not work for some MMC host) or just turn off/turn\r |
470 | // on power and restart Identification mode\r | |
471 | return EFI_SUCCESS;\r | |
1bfda055 | 472 | }\r |
473 | \r | |
474 | EFI_STATUS\r | |
475 | MmcDetectCard (\r | |
476 | EFI_MMC_HOST_PROTOCOL *MmcHost\r | |
477 | )\r | |
478 | {\r | |
16d88c2d | 479 | if (!MmcHost->IsCardPresent (MmcHost)) {\r |
e8e95df4 | 480 | return EFI_NO_MEDIA;\r |
481 | } else {\r | |
482 | return EFI_SUCCESS;\r | |
483 | }\r | |
1bfda055 | 484 | }\r |
485 | \r | |
486 | #define MMCI0_BLOCKLEN 512\r | |
487 | #define MMCI0_TIMEOUT 10000\r | |
488 | \r | |
e8e95df4 | 489 | EFI_STATUS\r |
490 | MmcIoBlocks (\r | |
1bfda055 | 491 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
492 | IN UINTN Transfer,\r | |
493 | IN UINT32 MediaId,\r | |
494 | IN EFI_LBA Lba,\r | |
495 | IN UINTN BufferSize,\r | |
496 | OUT VOID *Buffer\r | |
e8e95df4 | 497 | )\r |
498 | {\r | |
499 | UINT32 Response[4];\r | |
500 | EFI_STATUS Status;\r | |
40842a5e | 501 | UINTN CmdArg;\r |
969ece79 | 502 | INTN Timeout;\r |
e8e95df4 | 503 | UINTN Cmd;\r |
504 | MMC_HOST_INSTANCE *MmcHostInstance;\r | |
505 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
506 | UINTN BytesRemainingToBeTransfered;\r | |
507 | UINTN BlockCount = 1;\r | |
508 | \r | |
509 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS(This);\r | |
510 | ASSERT(MmcHostInstance != 0);\r | |
511 | MmcHost = MmcHostInstance->MmcHost;\r | |
512 | ASSERT(MmcHost);\r | |
513 | \r | |
969ece79 | 514 | if ((MmcHost == 0)|| (Buffer == NULL)) {\r |
e8e95df4 | 515 | return EFI_INVALID_PARAMETER;\r |
516 | }\r | |
517 | \r | |
518 | // Check if a Card is Present\r | |
3de99375 | 519 | if (!MmcHostInstance->BlockIo.Media->MediaPresent) {\r |
e8e95df4 | 520 | return EFI_NO_MEDIA;\r |
521 | }\r | |
522 | \r | |
969ece79 | 523 | // All blocks must be within the device\r |
524 | if ((Lba + (BufferSize / This->Media->BlockSize)) > (This->Media->LastBlock + 1)){\r | |
969ece79 | 525 | return EFI_INVALID_PARAMETER;\r |
e8e95df4 | 526 | }\r |
527 | \r | |
969ece79 | 528 | // The buffer size must not be zero and it must be an exact multiple of the block size\r |
529 | if ((BufferSize == 0) || ((BufferSize % This->Media->BlockSize) != 0)) {\r | |
969ece79 | 530 | return EFI_BAD_BUFFER_SIZE;\r |
531 | }\r | |
532 | \r | |
533 | if (This->Media->MediaId != MediaId) {\r | |
534 | return EFI_MEDIA_CHANGED;\r | |
535 | }\r | |
536 | \r | |
537 | if((Transfer == MMC_IOBLOCKS_WRITE) && (This->Media->ReadOnly == TRUE)) {\r | |
538 | return EFI_WRITE_PROTECTED;\r | |
e8e95df4 | 539 | }\r |
540 | \r | |
541 | BytesRemainingToBeTransfered = BufferSize;\r | |
542 | while (BytesRemainingToBeTransfered > 0) {\r | |
543 | \r | |
544 | // Check if the Card is in Ready status\r | |
545 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
546 | Response[0] = 0;\r | |
547 | Timeout = 20;\r | |
260675b0 | 548 | while( (!(Response[0] & MMC_R0_READY_FOR_DATA))\r |
549 | && (MMC_R0_CURRENTSTATE(Response) != MMC_R0_STATE_TRAN)\r | |
550 | && Timeout--) {\r | |
16d88c2d | 551 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
e8e95df4 | 552 | if (!EFI_ERROR(Status)) {\r |
16d88c2d | 553 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1,Response);\r |
e8e95df4 | 554 | }\r |
1bfda055 | 555 | }\r |
556 | \r | |
e8e95df4 | 557 | if (0 == Timeout) {\r |
558 | DEBUG((EFI_D_ERROR, "The Card is busy\n"));\r | |
559 | return EFI_NOT_READY;\r | |
b9d5fe03 | 560 | }\r |
561 | \r | |
e8e95df4 | 562 | //Set command argument based on the card access mode (Byte mode or Block mode)\r |
563 | if (MmcHostInstance->CardInfo.OCRData.AccessMode & BIT1) {\r | |
564 | CmdArg = Lba;\r | |
565 | } else {\r | |
566 | CmdArg = Lba * This->Media->BlockSize;\r | |
567 | }\r | |
1bfda055 | 568 | \r |
e8e95df4 | 569 | if (Transfer == MMC_IOBLOCKS_READ) {\r |
1bfda055 | 570 | #ifndef USE_STREAM\r |
e8e95df4 | 571 | // Read a single block\r |
572 | Cmd = MMC_CMD17;\r | |
1bfda055 | 573 | #else\r |
e8e95df4 | 574 | //TODO: Should we support read stream (MMC_CMD11)\r |
1bfda055 | 575 | #endif\r |
e8e95df4 | 576 | } else {\r |
1bfda055 | 577 | #ifndef USE_STREAM\r |
e8e95df4 | 578 | // Write a single block\r |
579 | Cmd = MMC_CMD24;\r | |
1bfda055 | 580 | #else\r |
e8e95df4 | 581 | //TODO: Should we support write stream (MMC_CMD20)\r |
1bfda055 | 582 | #endif\r |
e8e95df4 | 583 | }\r |
16d88c2d | 584 | Status = MmcHost->SendCommand (MmcHost, Cmd, CmdArg);\r |
e8e95df4 | 585 | if (EFI_ERROR(Status)) {\r |
260675b0 | 586 | DEBUG((EFI_D_ERROR, "MmcIoBlocks(MMC_CMD%d): Error %r\n",Cmd, Status));\r |
e8e95df4 | 587 | return Status;\r |
588 | }\r | |
1bfda055 | 589 | \r |
e8e95df4 | 590 | if (Transfer == MMC_IOBLOCKS_READ) {\r |
1bfda055 | 591 | #ifndef USE_STREAM\r |
e8e95df4 | 592 | // Read one block of Data\r |
16d88c2d | 593 | Status = MmcHost->ReadBlockData (MmcHost, Lba,This->Media->BlockSize,Buffer);\r |
e8e95df4 | 594 | if (EFI_ERROR(Status)) {\r |
260675b0 | 595 | DEBUG((EFI_D_BLKIO, "MmcIoBlocks(): Error Read Block Data and Status = %r\n", Status));\r |
e8e95df4 | 596 | return Status;\r |
597 | }\r | |
1bfda055 | 598 | #else\r |
260675b0 | 599 | //TODO: Read a stream\r |
e8e95df4 | 600 | ASSERT(0);\r |
1bfda055 | 601 | #endif\r |
e8e95df4 | 602 | Status = MmcNotifyState (MmcHostInstance, MmcProgrammingState);\r |
603 | if (EFI_ERROR(Status)) {\r | |
260675b0 | 604 | DEBUG((EFI_D_ERROR, "MmcIoBlocks() : Error MmcProgrammingState\n"));\r |
e8e95df4 | 605 | return Status;\r |
606 | }\r | |
607 | } else {\r | |
1bfda055 | 608 | #ifndef USE_STREAM\r |
e8e95df4 | 609 | // Write one block of Data\r |
16d88c2d | 610 | Status = MmcHost->WriteBlockData (MmcHost, Lba,This->Media->BlockSize,Buffer);\r |
e8e95df4 | 611 | if (EFI_ERROR(Status)) {\r |
260675b0 | 612 | DEBUG((EFI_D_BLKIO, "MmcIoBlocks(): Error Write Block Data and Status = %r\n", Status));\r |
e8e95df4 | 613 | return Status;\r |
614 | }\r | |
1bfda055 | 615 | #else\r |
260675b0 | 616 | //TODO: Write a stream\r |
e8e95df4 | 617 | ASSERT(0);\r |
1bfda055 | 618 | #endif\r |
e8e95df4 | 619 | }\r |
1bfda055 | 620 | \r |
e8e95df4 | 621 | // Command 12 - Stop transmission (ends read)\r |
16d88c2d | 622 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD12, 0);\r |
e8e95df4 | 623 | if (!EFI_ERROR(Status)) {\r |
16d88c2d | 624 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1b,Response);\r |
e8e95df4 | 625 | }\r |
1bfda055 | 626 | \r |
e8e95df4 | 627 | // Command 13 - Read status and wait for programming to complete (return to tran)\r |
628 | Timeout = MMCI0_TIMEOUT;\r | |
629 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
630 | Response[0] = 0;\r | |
260675b0 | 631 | while( (!(Response[0] & MMC_R0_READY_FOR_DATA))\r |
632 | && (MMC_R0_CURRENTSTATE(Response) != MMC_R0_STATE_TRAN)\r | |
633 | && Timeout--) {\r | |
16d88c2d | 634 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
e8e95df4 | 635 | if (!EFI_ERROR(Status)) {\r |
699e34ad | 636 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);\r |
637 | if ((Response[0] & MMC_R0_READY_FOR_DATA)) {\r | |
638 | break; // Prevents delay once finished\r | |
639 | }\r | |
e8e95df4 | 640 | }\r |
641 | NanoSecondDelay(100);\r | |
e8e95df4 | 642 | }\r |
1bfda055 | 643 | \r |
e8e95df4 | 644 | Status = MmcNotifyState (MmcHostInstance, MmcTransferState);\r |
645 | if (EFI_ERROR(Status)) {\r | |
260675b0 | 646 | DEBUG((EFI_D_ERROR, "MmcIoBlocks() : Error MmcTransferState\n"));\r |
e8e95df4 | 647 | return Status;\r |
1bfda055 | 648 | }\r |
649 | \r | |
e8e95df4 | 650 | BytesRemainingToBeTransfered -= This->Media->BlockSize;\r |
651 | Lba += BlockCount;\r | |
652 | Buffer = (UINT8 *)Buffer + This->Media->BlockSize;\r | |
653 | }\r | |
654 | \r | |
655 | return EFI_SUCCESS;\r | |
1bfda055 | 656 | }\r |
657 | \r | |
658 | EFI_STATUS\r | |
659 | EFIAPI\r | |
660 | MmcReadBlocks (\r | |
661 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
662 | IN UINT32 MediaId,\r | |
663 | IN EFI_LBA Lba,\r | |
664 | IN UINTN BufferSize,\r | |
665 | OUT VOID *Buffer\r | |
e8e95df4 | 666 | )\r |
667 | {\r | |
668 | return MmcIoBlocks (This, MMC_IOBLOCKS_READ, MediaId, Lba, BufferSize, Buffer);\r | |
1bfda055 | 669 | }\r |
670 | \r | |
671 | EFI_STATUS\r | |
672 | EFIAPI\r | |
673 | MmcWriteBlocks (\r | |
674 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
675 | IN UINT32 MediaId,\r | |
676 | IN EFI_LBA Lba,\r | |
677 | IN UINTN BufferSize,\r | |
678 | IN VOID *Buffer\r | |
e8e95df4 | 679 | )\r |
680 | {\r | |
681 | return MmcIoBlocks (This, MMC_IOBLOCKS_WRITE, MediaId, Lba, BufferSize, Buffer);\r | |
1bfda055 | 682 | }\r |
683 | \r | |
684 | EFI_STATUS\r | |
685 | EFIAPI\r | |
686 | MmcFlushBlocks (\r | |
687 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
e8e95df4 | 688 | )\r |
689 | {\r | |
690 | return EFI_SUCCESS;\r | |
1bfda055 | 691 | }\r |
692 | \r |