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 |
e8e95df4 |
218 | } else {\r |
219 | //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 |
220 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD0, 0);\r |
1bfda055 |
221 | if (EFI_ERROR(Status)) {\r |
e8e95df4 |
222 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD0): Error\n"));\r |
223 | return Status;\r |
1bfda055 |
224 | }\r |
e8e95df4 |
225 | }\r |
226 | \r |
227 | Status = MmcNotifyState (MmcHostInstance, MmcIdleState);\r |
228 | if (EFI_ERROR(Status)) {\r |
229 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdleState\n"));\r |
230 | return Status;\r |
231 | }\r |
232 | \r |
233 | // Are we using SDIO ?\r |
16d88c2d |
234 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD5, 0);\r |
e8e95df4 |
235 | if (Status == EFI_SUCCESS) {\r |
236 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD5): Error - SDIO not supported.\n"));\r |
237 | return EFI_UNSUPPORTED;\r |
238 | }\r |
239 | \r |
240 | // Check which kind of card we are using. Ver2.00 or later SD Memory Card (PL180 is SD v1.1)\r |
241 | CmdArg = (0x0UL << 12 | BIT8 | 0xCEUL << 0);\r |
16d88c2d |
242 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD8, CmdArg);\r |
e8e95df4 |
243 | if (Status == EFI_SUCCESS) {\r |
244 | DEBUG ((EFI_D_ERROR, "Card is SD2.0 => Supports high capacity\n"));\r |
245 | IsHCS = TRUE;\r |
16d88c2d |
246 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R7,Response);\r |
e8e95df4 |
247 | PrintResponseR1(Response[0]);\r |
248 | //check if it is valid response\r |
249 | if(Response[0] != CmdArg){\r |
250 | DEBUG ((EFI_D_ERROR, "The Card is not usable\n"));\r |
251 | return EFI_UNSUPPORTED;\r |
1bfda055 |
252 | }\r |
e8e95df4 |
253 | } else {\r |
254 | DEBUG ((EFI_D_ERROR, "Not a SD2.0 Card\n"));\r |
255 | }\r |
256 | \r |
492e34a5 |
257 | // We need to wait for the MMC or SD card is ready => (gCardInfo.OCRData.PowerUp == 1)\r |
e8e95df4 |
258 | Timeout = MAX_RETRY_COUNT;\r |
259 | while (Timeout > 0) {\r |
260 | // SD Card or MMC Card ? CMD55 indicates to the card that the next command is an application specific command\r |
16d88c2d |
261 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD55, 0);\r |
1bfda055 |
262 | if (Status == EFI_SUCCESS) {\r |
e8e95df4 |
263 | DEBUG ((EFI_D_INFO, "Card should be SD\n"));\r |
264 | if (IsHCS) {\r |
265 | MmcHostInstance->CardInfo.CardType = SD_CARD_2;\r |
1bfda055 |
266 | } else {\r |
e8e95df4 |
267 | MmcHostInstance->CardInfo.CardType = SD_CARD;\r |
1bfda055 |
268 | }\r |
269 | \r |
e8e95df4 |
270 | // Note: The first time CmdArg will be zero\r |
271 | CmdArg = ((UINTN *) &(MmcHostInstance->CardInfo.OCRData))[0];\r |
272 | if (IsHCS) {\r |
273 | CmdArg |= BIT30;\r |
274 | }\r |
16d88c2d |
275 | Status = MmcHost->SendCommand (MmcHost, MMC_ACMD41, CmdArg);\r |
a1ab9143 |
276 | if (!EFI_ERROR(Status)) {\r |
16d88c2d |
277 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR,Response);\r |
e8e95df4 |
278 | ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];\r |
1bfda055 |
279 | }\r |
1bfda055 |
280 | } else {\r |
e8e95df4 |
281 | DEBUG ((EFI_D_INFO, "Card should be MMC\n"));\r |
282 | MmcHostInstance->CardInfo.CardType = MMC_CARD;\r |
1bfda055 |
283 | \r |
16d88c2d |
284 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD1, 0x800000);\r |
e8e95df4 |
285 | if (!EFI_ERROR(Status)) {\r |
16d88c2d |
286 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR,Response);\r |
e8e95df4 |
287 | ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];\r |
a1ab9143 |
288 | }\r |
1bfda055 |
289 | }\r |
1bfda055 |
290 | \r |
e8e95df4 |
291 | if (!EFI_ERROR(Status)) {\r |
492e34a5 |
292 | if (!MmcHostInstance->CardInfo.OCRData.PowerUp) {\r |
e8e95df4 |
293 | MicroSecondDelay(1);\r |
294 | Timeout--;\r |
295 | } else {\r |
296 | if ((MmcHostInstance->CardInfo.CardType == SD_CARD_2) && (MmcHostInstance->CardInfo.OCRData.AccessMode & BIT1)) {\r |
297 | MmcHostInstance->CardInfo.CardType = SD_CARD_2_HIGH;\r |
298 | DEBUG ((EFI_D_ERROR, "High capacity card.\n"));\r |
299 | }\r |
300 | break; // The MMC/SD card is ready. Continue the Identification Mode\r |
301 | }\r |
1bfda055 |
302 | } else {\r |
e8e95df4 |
303 | MicroSecondDelay(1);\r |
304 | Timeout--;\r |
1bfda055 |
305 | }\r |
e8e95df4 |
306 | }\r |
307 | \r |
308 | if (Timeout == 0) {\r |
309 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(): No Card\n"));\r |
e8e95df4 |
310 | return EFI_NO_MEDIA;\r |
311 | } else {\r |
312 | PrintOCR(Response[0]);\r |
313 | }\r |
314 | \r |
315 | Status = MmcNotifyState (MmcHostInstance, MmcReadyState);\r |
316 | if (EFI_ERROR(Status)) {\r |
317 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcReadyState\n"));\r |
318 | return Status;\r |
319 | }\r |
320 | \r |
16d88c2d |
321 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD2, 0);\r |
e8e95df4 |
322 | if (EFI_ERROR(Status)) {\r |
323 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD2): Error\n"));\r |
e8e95df4 |
324 | return Status;\r |
325 | }\r |
16d88c2d |
326 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CID,Response);\r |
e8e95df4 |
327 | PrintCID(Response);\r |
328 | \r |
329 | Status = MmcNotifyState (MmcHostInstance, MmcIdentificationState);\r |
330 | if (EFI_ERROR(Status)) {\r |
331 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdentificationState\n"));\r |
332 | return Status;\r |
333 | }\r |
334 | \r |
d8ad4736 |
335 | //\r |
336 | // Note, SD specifications say that "if the command execution causes a state change, it\r |
337 | // will be visible to the host in the response to the next command"\r |
338 | // The status returned for this CMD3 will be 2 - identification\r |
339 | //\r |
340 | CmdArg = 1;\r |
16d88c2d |
341 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD3, CmdArg);\r |
d8ad4736 |
342 | if (EFI_ERROR(Status)) {\r |
343 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD3): Error\n"));\r |
344 | return Status;\r |
e8e95df4 |
345 | }\r |
346 | \r |
16d88c2d |
347 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_RCA,Response);\r |
d8ad4736 |
348 | PrintRCA(Response[0]);\r |
349 | \r |
e8e95df4 |
350 | // For MMC card, RCA is assigned by CMD3 while CMD3 dumps the RCA for SD card\r |
351 | if (MmcHostInstance->CardInfo.CardType != MMC_CARD) {\r |
352 | MmcHostInstance->CardInfo.RCA = Response[0] >> 16;\r |
353 | } else {\r |
354 | MmcHostInstance->CardInfo.RCA = CmdArg;\r |
355 | }\r |
356 | \r |
357 | Status = MmcNotifyState (MmcHostInstance, MmcStandByState);\r |
358 | if (EFI_ERROR(Status)) {\r |
359 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcStandByState\n"));\r |
360 | return Status;\r |
361 | }\r |
362 | \r |
363 | return EFI_SUCCESS;\r |
1bfda055 |
364 | }\r |
365 | \r |
16d88c2d |
366 | EFI_STATUS InitializeMmcDevice (\r |
40842a5e |
367 | IN MMC_HOST_INSTANCE *MmcHostInstance\r |
368 | )\r |
369 | {\r |
370 | UINT32 Response[4];\r |
371 | EFI_STATUS Status;\r |
372 | UINTN CardSize, NumBlocks, BlockSize, CmdArg;\r |
373 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r |
374 | UINTN BlockCount = 1;\r |
375 | \r |
376 | MmcHost = MmcHostInstance->MmcHost;\r |
377 | \r |
378 | MmcIdentificationMode (MmcHostInstance);\r |
379 | \r |
380 | //Send a command to get Card specific data\r |
381 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r |
16d88c2d |
382 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD9, CmdArg);\r |
40842a5e |
383 | if (EFI_ERROR(Status)) {\r |
384 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD9): Error, Status=%r\n", Status));\r |
385 | return Status;\r |
386 | }\r |
387 | //Read Response\r |
16d88c2d |
388 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CSD,Response);\r |
40842a5e |
389 | PrintCSD(Response);\r |
390 | \r |
391 | if (MmcHostInstance->CardInfo.CardType == SD_CARD_2_HIGH) {\r |
392 | CardSize = HC_MMC_CSD_GET_DEVICESIZE(Response);\r |
393 | NumBlocks = ((CardSize + 1) * 1024);\r |
394 | BlockSize = 1 << MMC_CSD_GET_READBLLEN(Response);\r |
395 | } else {\r |
396 | CardSize = MMC_CSD_GET_DEVICESIZE(Response);\r |
397 | NumBlocks = (CardSize + 1) * (1 << (MMC_CSD_GET_DEVICESIZEMULT(Response) + 2));\r |
398 | BlockSize = 1 << MMC_CSD_GET_READBLLEN(Response);\r |
399 | }\r |
400 | \r |
401 | //For >=2G card, BlockSize may be 1K, but the transfer size is 512 bytes.\r |
402 | if (BlockSize > 512) {\r |
403 | NumBlocks = MultU64x32(NumBlocks, BlockSize/512);\r |
404 | BlockSize = 512;\r |
405 | }\r |
406 | \r |
407 | MmcHostInstance->BlockIo.Media->LastBlock = (NumBlocks - 1);\r |
408 | MmcHostInstance->BlockIo.Media->BlockSize = BlockSize;\r |
16d88c2d |
409 | MmcHostInstance->BlockIo.Media->ReadOnly = MmcHost->IsReadOnly (MmcHost);\r |
40842a5e |
410 | MmcHostInstance->BlockIo.Media->MediaPresent = TRUE;\r |
411 | MmcHostInstance->BlockIo.Media->MediaId++;\r |
412 | \r |
413 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r |
16d88c2d |
414 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD7, CmdArg);\r |
40842a5e |
415 | if (EFI_ERROR(Status)) {\r |
416 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD7): Error and Status = %r\n", Status));\r |
417 | return Status;\r |
418 | }\r |
419 | \r |
420 | Status = MmcNotifyState (MmcHostInstance, MmcTransferState);\r |
421 | if (EFI_ERROR(Status)) {\r |
422 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcTransferState\n"));\r |
423 | return Status;\r |
424 | }\r |
425 | \r |
426 | // Set Block Length\r |
16d88c2d |
427 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD16, MmcHostInstance->BlockIo.Media->BlockSize);\r |
40842a5e |
428 | if (EFI_ERROR(Status)) {\r |
429 | DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD16): Error MmcHostInstance->BlockIo.Media->BlockSize: %d and Error = %r\n",MmcHostInstance->BlockIo.Media->BlockSize, Status));\r |
430 | return Status;\r |
431 | }\r |
432 | \r |
433 | // Block Count (not used). Could return an error for SD card\r |
434 | if (MmcHostInstance->CardInfo.CardType == MMC_CARD) {\r |
16d88c2d |
435 | MmcHost->SendCommand (MmcHost, MMC_CMD23, BlockCount);\r |
40842a5e |
436 | }\r |
437 | \r |
438 | return EFI_SUCCESS;\r |
439 | }\r |
440 | \r |
1bfda055 |
441 | EFI_STATUS\r |
442 | EFIAPI\r |
443 | MmcReset (\r |
444 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
445 | IN BOOLEAN ExtendedVerification\r |
e8e95df4 |
446 | )\r |
447 | {\r |
3de99375 |
448 | MMC_HOST_INSTANCE *MmcHostInstance;\r |
449 | \r |
450 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS(This);\r |
451 | \r |
452 | if (MmcHostInstance->MmcHost == NULL) {\r |
453 | // Nothing to do\r |
454 | return EFI_SUCCESS;\r |
455 | }\r |
456 | \r |
457 | // If a card is not present then clear all media settings\r |
16d88c2d |
458 | if (!MmcHostInstance->MmcHost->IsCardPresent (MmcHostInstance->MmcHost)) {\r |
3de99375 |
459 | MmcHostInstance->BlockIo.Media->MediaPresent = FALSE;\r |
460 | MmcHostInstance->BlockIo.Media->LastBlock = 0;\r |
461 | MmcHostInstance->BlockIo.Media->BlockSize = 512; // Should be zero but there is a bug in DiskIo\r |
462 | MmcHostInstance->BlockIo.Media->ReadOnly = FALSE;\r |
463 | \r |
464 | // Indicate that the driver requires initialization\r |
465 | MmcHostInstance->State = MmcHwInitializationState;\r |
466 | \r |
467 | return EFI_SUCCESS;\r |
468 | }\r |
469 | \r |
e8e95df4 |
470 | // Implement me. Either send a CMD0 (could not work for some MMC host) or just turn off/turn\r |
471 | // on power and restart Identification mode\r |
472 | return EFI_SUCCESS;\r |
1bfda055 |
473 | }\r |
474 | \r |
475 | EFI_STATUS\r |
476 | MmcDetectCard (\r |
477 | EFI_MMC_HOST_PROTOCOL *MmcHost\r |
478 | )\r |
479 | {\r |
16d88c2d |
480 | if (!MmcHost->IsCardPresent (MmcHost)) {\r |
e8e95df4 |
481 | return EFI_NO_MEDIA;\r |
482 | } else {\r |
483 | return EFI_SUCCESS;\r |
484 | }\r |
1bfda055 |
485 | }\r |
486 | \r |
487 | #define MMCI0_BLOCKLEN 512\r |
488 | #define MMCI0_TIMEOUT 10000\r |
489 | \r |
e8e95df4 |
490 | EFI_STATUS\r |
491 | MmcIoBlocks (\r |
1bfda055 |
492 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
493 | IN UINTN Transfer,\r |
494 | IN UINT32 MediaId,\r |
495 | IN EFI_LBA Lba,\r |
496 | IN UINTN BufferSize,\r |
497 | OUT VOID *Buffer\r |
e8e95df4 |
498 | )\r |
499 | {\r |
500 | UINT32 Response[4];\r |
501 | EFI_STATUS Status;\r |
40842a5e |
502 | UINTN CmdArg;\r |
969ece79 |
503 | INTN Timeout;\r |
e8e95df4 |
504 | UINTN Cmd;\r |
505 | MMC_HOST_INSTANCE *MmcHostInstance;\r |
506 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r |
507 | UINTN BytesRemainingToBeTransfered;\r |
508 | UINTN BlockCount = 1;\r |
509 | \r |
510 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS(This);\r |
511 | ASSERT(MmcHostInstance != 0);\r |
512 | MmcHost = MmcHostInstance->MmcHost;\r |
513 | ASSERT(MmcHost);\r |
514 | \r |
969ece79 |
515 | if ((MmcHost == 0)|| (Buffer == NULL)) {\r |
e8e95df4 |
516 | return EFI_INVALID_PARAMETER;\r |
517 | }\r |
518 | \r |
519 | // Check if a Card is Present\r |
3de99375 |
520 | if (!MmcHostInstance->BlockIo.Media->MediaPresent) {\r |
e8e95df4 |
521 | return EFI_NO_MEDIA;\r |
522 | }\r |
523 | \r |
969ece79 |
524 | // All blocks must be within the device\r |
525 | if ((Lba + (BufferSize / This->Media->BlockSize)) > (This->Media->LastBlock + 1)){\r |
969ece79 |
526 | return EFI_INVALID_PARAMETER;\r |
e8e95df4 |
527 | }\r |
528 | \r |
969ece79 |
529 | // The buffer size must not be zero and it must be an exact multiple of the block size\r |
530 | if ((BufferSize == 0) || ((BufferSize % This->Media->BlockSize) != 0)) {\r |
969ece79 |
531 | return EFI_BAD_BUFFER_SIZE;\r |
532 | }\r |
533 | \r |
534 | if (This->Media->MediaId != MediaId) {\r |
535 | return EFI_MEDIA_CHANGED;\r |
536 | }\r |
537 | \r |
538 | if((Transfer == MMC_IOBLOCKS_WRITE) && (This->Media->ReadOnly == TRUE)) {\r |
539 | return EFI_WRITE_PROTECTED;\r |
e8e95df4 |
540 | }\r |
541 | \r |
542 | BytesRemainingToBeTransfered = BufferSize;\r |
543 | while (BytesRemainingToBeTransfered > 0) {\r |
544 | \r |
545 | // Check if the Card is in Ready status\r |
546 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r |
547 | Response[0] = 0;\r |
548 | Timeout = 20;\r |
260675b0 |
549 | while( (!(Response[0] & MMC_R0_READY_FOR_DATA))\r |
550 | && (MMC_R0_CURRENTSTATE(Response) != MMC_R0_STATE_TRAN)\r |
551 | && Timeout--) {\r |
16d88c2d |
552 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
e8e95df4 |
553 | if (!EFI_ERROR(Status)) {\r |
16d88c2d |
554 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1,Response);\r |
e8e95df4 |
555 | }\r |
1bfda055 |
556 | }\r |
557 | \r |
e8e95df4 |
558 | if (0 == Timeout) {\r |
559 | DEBUG((EFI_D_ERROR, "The Card is busy\n"));\r |
560 | return EFI_NOT_READY;\r |
b9d5fe03 |
561 | }\r |
562 | \r |
e8e95df4 |
563 | //Set command argument based on the card access mode (Byte mode or Block mode)\r |
564 | if (MmcHostInstance->CardInfo.OCRData.AccessMode & BIT1) {\r |
565 | CmdArg = Lba;\r |
566 | } else {\r |
567 | CmdArg = Lba * This->Media->BlockSize;\r |
568 | }\r |
1bfda055 |
569 | \r |
e8e95df4 |
570 | if (Transfer == MMC_IOBLOCKS_READ) {\r |
1bfda055 |
571 | #ifndef USE_STREAM\r |
e8e95df4 |
572 | // Read a single block\r |
573 | Cmd = MMC_CMD17;\r |
1bfda055 |
574 | #else\r |
e8e95df4 |
575 | //TODO: Should we support read stream (MMC_CMD11)\r |
1bfda055 |
576 | #endif\r |
e8e95df4 |
577 | } else {\r |
1bfda055 |
578 | #ifndef USE_STREAM\r |
e8e95df4 |
579 | // Write a single block\r |
580 | Cmd = MMC_CMD24;\r |
1bfda055 |
581 | #else\r |
e8e95df4 |
582 | //TODO: Should we support write stream (MMC_CMD20)\r |
1bfda055 |
583 | #endif\r |
e8e95df4 |
584 | }\r |
16d88c2d |
585 | Status = MmcHost->SendCommand (MmcHost, Cmd, CmdArg);\r |
e8e95df4 |
586 | if (EFI_ERROR(Status)) {\r |
260675b0 |
587 | DEBUG((EFI_D_ERROR, "MmcIoBlocks(MMC_CMD%d): Error %r\n",Cmd, Status));\r |
e8e95df4 |
588 | return Status;\r |
589 | }\r |
1bfda055 |
590 | \r |
e8e95df4 |
591 | if (Transfer == MMC_IOBLOCKS_READ) {\r |
1bfda055 |
592 | #ifndef USE_STREAM\r |
e8e95df4 |
593 | // Read one block of Data\r |
16d88c2d |
594 | Status = MmcHost->ReadBlockData (MmcHost, Lba,This->Media->BlockSize,Buffer);\r |
e8e95df4 |
595 | if (EFI_ERROR(Status)) {\r |
260675b0 |
596 | DEBUG((EFI_D_BLKIO, "MmcIoBlocks(): Error Read Block Data and Status = %r\n", Status));\r |
e8e95df4 |
597 | return Status;\r |
598 | }\r |
1bfda055 |
599 | #else\r |
260675b0 |
600 | //TODO: Read a stream\r |
e8e95df4 |
601 | ASSERT(0);\r |
1bfda055 |
602 | #endif\r |
e8e95df4 |
603 | Status = MmcNotifyState (MmcHostInstance, MmcProgrammingState);\r |
604 | if (EFI_ERROR(Status)) {\r |
260675b0 |
605 | DEBUG((EFI_D_ERROR, "MmcIoBlocks() : Error MmcProgrammingState\n"));\r |
e8e95df4 |
606 | return Status;\r |
607 | }\r |
608 | } else {\r |
1bfda055 |
609 | #ifndef USE_STREAM\r |
e8e95df4 |
610 | // Write one block of Data\r |
16d88c2d |
611 | Status = MmcHost->WriteBlockData (MmcHost, Lba,This->Media->BlockSize,Buffer);\r |
e8e95df4 |
612 | if (EFI_ERROR(Status)) {\r |
260675b0 |
613 | DEBUG((EFI_D_BLKIO, "MmcIoBlocks(): Error Write Block Data and Status = %r\n", Status));\r |
e8e95df4 |
614 | return Status;\r |
615 | }\r |
1bfda055 |
616 | #else\r |
260675b0 |
617 | //TODO: Write a stream\r |
e8e95df4 |
618 | ASSERT(0);\r |
1bfda055 |
619 | #endif\r |
e8e95df4 |
620 | }\r |
1bfda055 |
621 | \r |
e8e95df4 |
622 | // Command 12 - Stop transmission (ends read)\r |
16d88c2d |
623 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD12, 0);\r |
e8e95df4 |
624 | if (!EFI_ERROR(Status)) {\r |
16d88c2d |
625 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1b,Response);\r |
e8e95df4 |
626 | }\r |
1bfda055 |
627 | \r |
e8e95df4 |
628 | // Command 13 - Read status and wait for programming to complete (return to tran)\r |
629 | Timeout = MMCI0_TIMEOUT;\r |
630 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r |
631 | Response[0] = 0;\r |
260675b0 |
632 | while( (!(Response[0] & MMC_R0_READY_FOR_DATA))\r |
633 | && (MMC_R0_CURRENTSTATE(Response) != MMC_R0_STATE_TRAN)\r |
634 | && Timeout--) {\r |
16d88c2d |
635 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
e8e95df4 |
636 | if (!EFI_ERROR(Status)) {\r |
699e34ad |
637 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);\r |
638 | if ((Response[0] & MMC_R0_READY_FOR_DATA)) {\r |
639 | break; // Prevents delay once finished\r |
640 | }\r |
e8e95df4 |
641 | }\r |
642 | NanoSecondDelay(100);\r |
e8e95df4 |
643 | }\r |
1bfda055 |
644 | \r |
e8e95df4 |
645 | Status = MmcNotifyState (MmcHostInstance, MmcTransferState);\r |
646 | if (EFI_ERROR(Status)) {\r |
260675b0 |
647 | DEBUG((EFI_D_ERROR, "MmcIoBlocks() : Error MmcTransferState\n"));\r |
e8e95df4 |
648 | return Status;\r |
1bfda055 |
649 | }\r |
650 | \r |
e8e95df4 |
651 | BytesRemainingToBeTransfered -= This->Media->BlockSize;\r |
652 | Lba += BlockCount;\r |
653 | Buffer = (UINT8 *)Buffer + This->Media->BlockSize;\r |
654 | }\r |
655 | \r |
656 | return EFI_SUCCESS;\r |
1bfda055 |
657 | }\r |
658 | \r |
659 | EFI_STATUS\r |
660 | EFIAPI\r |
661 | MmcReadBlocks (\r |
662 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
663 | IN UINT32 MediaId,\r |
664 | IN EFI_LBA Lba,\r |
665 | IN UINTN BufferSize,\r |
666 | OUT VOID *Buffer\r |
e8e95df4 |
667 | )\r |
668 | {\r |
669 | return MmcIoBlocks (This, MMC_IOBLOCKS_READ, MediaId, Lba, BufferSize, Buffer);\r |
1bfda055 |
670 | }\r |
671 | \r |
672 | EFI_STATUS\r |
673 | EFIAPI\r |
674 | MmcWriteBlocks (\r |
675 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
676 | IN UINT32 MediaId,\r |
677 | IN EFI_LBA Lba,\r |
678 | IN UINTN BufferSize,\r |
679 | IN VOID *Buffer\r |
e8e95df4 |
680 | )\r |
681 | {\r |
682 | return MmcIoBlocks (This, MMC_IOBLOCKS_WRITE, MediaId, Lba, BufferSize, Buffer);\r |
1bfda055 |
683 | }\r |
684 | \r |
685 | EFI_STATUS\r |
686 | EFIAPI\r |
687 | MmcFlushBlocks (\r |
688 | IN EFI_BLOCK_IO_PROTOCOL *This\r |
e8e95df4 |
689 | )\r |
690 | {\r |
691 | return EFI_SUCCESS;\r |
1bfda055 |
692 | }\r |
693 | \r |