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1bfda055 | 1 | /** @file\r |
2 | *\r | |
6f711615 | 3 | * Copyright (c) 2011-2013, ARM Limited. All rights reserved.\r |
1bfda055 | 4 | *\r |
842b02d8 OM |
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 | |
1bfda055 | 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 | |
a1ab9143 | 22 | #define MAX_RETRY_COUNT 1000\r |
23 | #define CMD_RETRY_COUNT 20\r | |
1bfda055 | 24 | \r |
25 | EFI_STATUS\r | |
26 | MmcNotifyState (\r | |
e8e95df4 | 27 | IN MMC_HOST_INSTANCE *MmcHostInstance,\r |
28 | IN MMC_STATE State\r | |
29 | )\r | |
30 | {\r | |
31 | MmcHostInstance->State = State;\r | |
16d88c2d | 32 | return MmcHostInstance->MmcHost->NotifyState (MmcHostInstance->MmcHost, State);\r |
1bfda055 | 33 | }\r |
34 | \r | |
e8e95df4 | 35 | VOID\r |
36 | PrintOCR (\r | |
37 | IN UINT32 Ocr\r | |
38 | )\r | |
39 | {\r | |
6f711615 | 40 | UINTN MinV;\r |
41 | UINTN MaxV;\r | |
42 | UINTN Volts;\r | |
43 | UINTN Loop;\r | |
e8e95df4 | 44 | \r |
6f711615 | 45 | MinV = 36; // 3.6\r |
46 | MaxV = 20; // 2.0\r | |
47 | Volts = 20; // 2.0\r | |
e8e95df4 | 48 | \r |
49 | // The MMC register bits [23:8] indicate the working range of the card\r | |
6f711615 | 50 | for (Loop = 8; Loop < 24; Loop++) {\r |
51 | if (Ocr & (1 << Loop)) {\r | |
52 | if (MinV > Volts) MinV = Volts;\r | |
53 | if (MaxV < Volts) MaxV = Volts + 1;\r | |
1bfda055 | 54 | }\r |
6f711615 | 55 | Volts = Volts + 1;\r |
e8e95df4 | 56 | }\r |
57 | \r | |
6f711615 | 58 | DEBUG ((EFI_D_ERROR, "- PrintOCR Ocr (0x%X)\n",Ocr));\r |
59 | DEBUG ((EFI_D_ERROR, "\t- Card operating voltage: %d.%d to %d.%d\n", MinV/10, MinV % 10, MaxV/10, MaxV % 10));\r | |
e8e95df4 | 60 | if (((Ocr >> 29) & 3) == 0) {\r |
6f711615 | 61 | DEBUG ((EFI_D_ERROR, "\t- AccessMode: Byte Mode\n"));\r |
e8e95df4 | 62 | } else {\r |
6f711615 | 63 | DEBUG ((EFI_D_ERROR, "\t- AccessMode: Block Mode (0x%X)\n", ((Ocr >> 29) & 3)));\r |
e8e95df4 | 64 | }\r |
65 | \r | |
66 | if (Ocr & MMC_OCR_POWERUP) {\r | |
6f711615 | 67 | DEBUG ((EFI_D_ERROR, "\t- PowerUp\n"));\r |
e8e95df4 | 68 | } else {\r |
6f711615 | 69 | DEBUG ((EFI_D_ERROR, "\t- Voltage Not Supported\n"));\r |
e8e95df4 | 70 | }\r |
1bfda055 | 71 | }\r |
72 | \r | |
e8e95df4 | 73 | VOID PrintCID (\r |
74 | IN UINT32* Cid\r | |
75 | )\r | |
76 | {\r | |
6f711615 | 77 | DEBUG ((EFI_D_ERROR, "- PrintCID\n"));\r |
78 | DEBUG ((EFI_D_ERROR, "\t- Manufacturing date: %d/%d\n", (Cid[0] >> 8) & 0xF, (Cid[0] >> 12) & 0xFF));\r | |
79 | DEBUG ((EFI_D_ERROR, "\t- Product serial number: 0x%X%X\n", Cid[1] & 0xFFFFFF, (Cid[0] >> 24) & 0xFF));\r | |
80 | DEBUG ((EFI_D_ERROR, "\t- Product revision: %d\n", Cid[1] >> 24));\r | |
81 | //DEBUG ((EFI_D_ERROR, "\t- Product name: %s\n", (char*)(Cid + 2)));\r | |
82 | DEBUG ((EFI_D_ERROR, "\t- OEM ID: %c%c\n", (Cid[3] >> 8) & 0xFF, (Cid[3] >> 16) & 0xFF));\r | |
1bfda055 | 83 | }\r |
84 | \r | |
8f964e8d | 85 | #if !defined(MDEPKG_NDEBUG)\r |
6f711615 | 86 | CONST CHAR8* mStrUnit[] = { "100kbit/s", "1Mbit/s", "10Mbit/s", "100MBit/s",\r |
87 | "Unknown", "Unknown", "Unknown", "Unknown" };\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",\r | |
89 | "Unknown", "Unknown", "Unknown", "Unknown" };\r | |
8f964e8d | 90 | #endif\r |
91 | \r | |
e8e95df4 | 92 | VOID\r |
93 | PrintCSD (\r | |
94 | IN UINT32* Csd\r | |
95 | )\r | |
96 | {\r | |
97 | UINTN Value;\r | |
e8e95df4 | 98 | \r |
99 | if (((Csd[2] >> 30) & 0x3) == 0) {\r | |
6f711615 | 100 | DEBUG ((EFI_D_ERROR, "- PrintCSD Version 1.01-1.10/Version 2.00/Standard Capacity\n"));\r |
e8e95df4 | 101 | } else if (((Csd[2] >> 30) & 0x3) == 1) {\r |
6f711615 | 102 | DEBUG ((EFI_D_ERROR, "- PrintCSD Version 2.00/High Capacity\n"));\r |
e8e95df4 | 103 | } else {\r |
6f711615 | 104 | DEBUG ((EFI_D_ERROR, "- PrintCSD Version Higher than v3.3\n"));\r |
e8e95df4 | 105 | }\r |
106 | \r | |
6f711615 | 107 | DEBUG ((EFI_D_ERROR, "\t- Supported card command class: 0x%X\n", MMC_CSD_GET_CCC(Csd)));\r |
108 | 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 | |
109 | DEBUG ((EFI_D_ERROR, "\t- Maximum Read Data Block: %d\n",2 << (MMC_CSD_GET_READBLLEN(Csd)-1)));\r | |
110 | DEBUG ((EFI_D_ERROR, "\t- Maximum Write Data Block: %d\n",2 << (MMC_CSD_GET_WRITEBLLEN(Csd)-1)));\r | |
e8e95df4 | 111 | \r |
842b02d8 | 112 | if (!MMC_CSD_GET_FILEFORMATGRP (Csd)) {\r |
6f711615 | 113 | Value = MMC_CSD_GET_FILEFORMAT (Csd);\r |
114 | if (Value == 0) DEBUG ((EFI_D_ERROR, "\t- Format (0): Hard disk-like file system with partition table\n"));\r | |
115 | else if (Value == 1) DEBUG ((EFI_D_ERROR, "\t- Format (1): DOS FAT (floppy-like) with boot sector only (no partition table)\n"));\r | |
116 | else if (Value == 2) DEBUG ((EFI_D_ERROR, "\t- Format (2): Universal File Format\n"));\r | |
117 | else DEBUG ((EFI_D_ERROR, "\t- Format (3): Others/Unknown\n"));\r | |
e8e95df4 | 118 | } else {\r |
6f711615 | 119 | DEBUG ((EFI_D_ERROR, "\t- Format: Reserved\n"));\r |
e8e95df4 | 120 | }\r |
1bfda055 | 121 | }\r |
122 | \r | |
e8e95df4 | 123 | VOID\r |
124 | PrintRCA (\r | |
125 | IN UINT32 Rca\r | |
126 | )\r | |
127 | {\r | |
6f711615 | 128 | DEBUG ((EFI_D_ERROR, "- PrintRCA: 0x%X\n", Rca));\r |
129 | DEBUG ((EFI_D_ERROR, "\t- Status: 0x%X\n", Rca & 0xFFFF));\r | |
130 | DEBUG ((EFI_D_ERROR, "\t- RCA: 0x%X\n", (Rca >> 16) & 0xFFFF));\r | |
1bfda055 | 131 | }\r |
132 | \r | |
e8e95df4 | 133 | VOID\r |
134 | PrintResponseR1 (\r | |
135 | IN UINT32 Response\r | |
136 | )\r | |
137 | {\r | |
6f711615 | 138 | DEBUG ((EFI_D_INFO, "Response: 0x%X\n", Response));\r |
139 | if (Response & MMC_R0_READY_FOR_DATA) {\r | |
140 | DEBUG ((EFI_D_INFO, "\t- READY_FOR_DATA\n"));\r | |
141 | }\r | |
142 | \r | |
143 | if (((Response >> 9) & 0xF) == 0) DEBUG ((EFI_D_INFO, "\t- State: Idle\n"));\r | |
144 | else if (((Response >> 9) & 0xF) == 1) DEBUG ((EFI_D_INFO, "\t- State: Ready\n"));\r | |
145 | else if (((Response >> 9) & 0xF) == 2) DEBUG ((EFI_D_INFO, "\t- State: Ident\n"));\r | |
146 | else if (((Response >> 9) & 0xF) == 3) DEBUG ((EFI_D_INFO, "\t- State: StandBy\n"));\r | |
147 | else if (((Response >> 9) & 0xF) == 4) DEBUG ((EFI_D_INFO, "\t- State: Tran\n"));\r | |
148 | else if (((Response >> 9) & 0xF) == 5) DEBUG ((EFI_D_INFO, "\t- State: Data\n"));\r | |
149 | else if (((Response >> 9) & 0xF) == 6) DEBUG ((EFI_D_INFO, "\t- State: Rcv\n"));\r | |
150 | else if (((Response >> 9) & 0xF) == 7) DEBUG ((EFI_D_INFO, "\t- State: Prg\n"));\r | |
151 | else if (((Response >> 9) & 0xF) == 8) DEBUG ((EFI_D_INFO, "\t- State: Dis\n"));\r | |
152 | else DEBUG ((EFI_D_INFO, "\t- State: Reserved\n"));\r | |
a1ab9143 | 153 | }\r |
154 | \r | |
155 | EFI_STATUS\r | |
156 | EFIAPI\r | |
842b02d8 | 157 | MmcGetCardStatus (\r |
e8e95df4 | 158 | IN MMC_HOST_INSTANCE *MmcHostInstance\r |
159 | )\r | |
160 | {\r | |
161 | EFI_STATUS Status;\r | |
162 | UINT32 Response[4];\r | |
163 | UINTN CmdArg;\r | |
164 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
165 | \r | |
166 | Status = EFI_SUCCESS;\r | |
167 | MmcHost = MmcHostInstance->MmcHost;\r | |
168 | CmdArg = 0;\r | |
169 | \r | |
170 | if (MmcHost == NULL) {\r | |
171 | return EFI_INVALID_PARAMETER;\r | |
172 | }\r | |
842b02d8 | 173 | if (MmcHostInstance->State != MmcHwInitializationState) {\r |
e8e95df4 | 174 | //Get the Status of the card.\r |
175 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
16d88c2d | 176 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
6f711615 | 177 | if (EFI_ERROR (Status)) {\r |
178 | DEBUG ((EFI_D_ERROR, "MmcGetCardStatus(MMC_CMD13): Error and Status = %r\n", Status));\r | |
e8e95df4 | 179 | return Status;\r |
a1ab9143 | 180 | }\r |
181 | \r | |
e8e95df4 | 182 | //Read Response\r |
6f711615 | 183 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);\r |
184 | PrintResponseR1 (Response[0]);\r | |
e8e95df4 | 185 | }\r |
186 | \r | |
187 | return Status;\r | |
1bfda055 | 188 | }\r |
189 | \r | |
190 | EFI_STATUS\r | |
191 | EFIAPI\r | |
192 | MmcIdentificationMode (\r | |
e8e95df4 | 193 | IN MMC_HOST_INSTANCE *MmcHostInstance\r |
194 | )\r | |
195 | {\r | |
196 | EFI_STATUS Status;\r | |
197 | UINT32 Response[4];\r | |
198 | UINTN Timeout;\r | |
199 | UINTN CmdArg;\r | |
200 | BOOLEAN IsHCS;\r | |
201 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
e8e95df4 | 202 | \r |
203 | MmcHost = MmcHostInstance->MmcHost;\r | |
204 | CmdArg = 0;\r | |
205 | IsHCS = FALSE;\r | |
206 | \r | |
207 | if (MmcHost == NULL) {\r | |
208 | return EFI_INVALID_PARAMETER;\r | |
209 | }\r | |
210 | \r | |
211 | // We can get into this function if we restart the identification mode\r | |
212 | if (MmcHostInstance->State == MmcHwInitializationState) {\r | |
213 | // Initialize the MMC Host HW\r | |
214 | Status = MmcNotifyState (MmcHostInstance, MmcHwInitializationState);\r | |
6f711615 | 215 | if (EFI_ERROR (Status)) {\r |
216 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcHwInitializationState\n"));\r | |
e8e95df4 | 217 | return Status;\r |
1bfda055 | 218 | }\r |
fc78c48e | 219 | }\r |
220 | \r | |
221 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD0, 0);\r | |
6f711615 | 222 | if (EFI_ERROR (Status)) {\r |
223 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD0): Error\n"));\r | |
fc78c48e | 224 | return Status;\r |
e8e95df4 | 225 | }\r |
226 | \r | |
227 | Status = MmcNotifyState (MmcHostInstance, MmcIdleState);\r | |
6f711615 | 228 | if (EFI_ERROR (Status)) {\r |
229 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdleState\n"));\r | |
e8e95df4 | 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 |
6f711615 | 236 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD5): Error - SDIO not supported.\n"));\r |
e8e95df4 | 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 | |
6f711615 | 246 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R7, Response);\r |
247 | PrintResponseR1 (Response[0]);\r | |
e8e95df4 | 248 | //check if it is valid response\r |
842b02d8 | 249 | if (Response[0] != CmdArg) {\r |
e8e95df4 | 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 |
842b02d8 OM |
263 | DEBUG ((EFI_D_INFO, "Card should be SD\n"));\r |
264 | if (IsHCS) {\r | |
265 | MmcHostInstance->CardInfo.CardType = SD_CARD_2;\r | |
266 | } else {\r | |
267 | MmcHostInstance->CardInfo.CardType = SD_CARD;\r | |
268 | }\r | |
1bfda055 | 269 | \r |
842b02d8 OM |
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 | |
275 | Status = MmcHost->SendCommand (MmcHost, MMC_ACMD41, CmdArg);\r | |
276 | if (!EFI_ERROR (Status)) {\r | |
277 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR, Response);\r | |
278 | ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];\r | |
279 | }\r | |
1bfda055 | 280 | } else {\r |
842b02d8 OM |
281 | DEBUG ((EFI_D_INFO, "Card should be MMC\n"));\r |
282 | MmcHostInstance->CardInfo.CardType = MMC_CARD;\r | |
1bfda055 | 283 | \r |
842b02d8 OM |
284 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD1, 0x800000);\r |
285 | if (!EFI_ERROR (Status)) {\r | |
286 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR, Response);\r | |
287 | ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];\r | |
288 | }\r | |
1bfda055 | 289 | }\r |
1bfda055 | 290 | \r |
6f711615 | 291 | if (!EFI_ERROR (Status)) {\r |
492e34a5 | 292 | if (!MmcHostInstance->CardInfo.OCRData.PowerUp) {\r |
842b02d8 OM |
293 | MicroSecondDelay (1);\r |
294 | Timeout--;\r | |
e8e95df4 | 295 | } else {\r |
842b02d8 OM |
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 | |
e8e95df4 | 301 | }\r |
1bfda055 | 302 | } else {\r |
6f711615 | 303 | MicroSecondDelay (1);\r |
e8e95df4 | 304 | Timeout--;\r |
1bfda055 | 305 | }\r |
e8e95df4 | 306 | }\r |
307 | \r | |
308 | if (Timeout == 0) {\r | |
6f711615 | 309 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(): No Card\n"));\r |
e8e95df4 | 310 | return EFI_NO_MEDIA;\r |
311 | } else {\r | |
6f711615 | 312 | PrintOCR (Response[0]);\r |
e8e95df4 | 313 | }\r |
314 | \r | |
315 | Status = MmcNotifyState (MmcHostInstance, MmcReadyState);\r | |
6f711615 | 316 | if (EFI_ERROR (Status)) {\r |
317 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcReadyState\n"));\r | |
e8e95df4 | 318 | return Status;\r |
319 | }\r | |
320 | \r | |
16d88c2d | 321 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD2, 0);\r |
6f711615 | 322 | if (EFI_ERROR (Status)) {\r |
323 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD2): Error\n"));\r | |
e8e95df4 | 324 | return Status;\r |
325 | }\r | |
6f711615 | 326 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CID, Response);\r |
842b02d8 | 327 | PrintCID (Response);\r |
e8e95df4 | 328 | \r |
329 | Status = MmcNotifyState (MmcHostInstance, MmcIdentificationState);\r | |
6f711615 | 330 | if (EFI_ERROR (Status)) {\r |
331 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdentificationState\n"));\r | |
e8e95df4 | 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 |
6f711615 | 342 | if (EFI_ERROR (Status)) {\r |
343 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD3): Error\n"));\r | |
d8ad4736 | 344 | return Status;\r |
e8e95df4 | 345 | }\r |
346 | \r | |
6f711615 | 347 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_RCA, Response);\r |
348 | PrintRCA (Response[0]);\r | |
d8ad4736 | 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 | |
6f711615 | 358 | if (EFI_ERROR (Status)) {\r |
359 | DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcStandByState\n"));\r | |
e8e95df4 | 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 | |
842b02d8 OM |
374 | UINTN BlockCount;\r |
375 | \r | |
376 | BlockCount = 1;\r | |
40842a5e | 377 | MmcHost = MmcHostInstance->MmcHost;\r |
378 | \r | |
379 | MmcIdentificationMode (MmcHostInstance);\r | |
380 | \r | |
381 | //Send a command to get Card specific data\r | |
382 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
16d88c2d | 383 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD9, CmdArg);\r |
6f711615 | 384 | if (EFI_ERROR (Status)) {\r |
842b02d8 | 385 | DEBUG((EFI_D_ERROR, "InitializeMmcDevice(MMC_CMD9): Error, Status=%r\n", Status));\r |
40842a5e | 386 | return Status;\r |
387 | }\r | |
388 | //Read Response\r | |
6f711615 | 389 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CSD, Response);\r |
842b02d8 | 390 | PrintCSD (Response);\r |
40842a5e | 391 | \r |
392 | if (MmcHostInstance->CardInfo.CardType == SD_CARD_2_HIGH) {\r | |
6f711615 | 393 | CardSize = HC_MMC_CSD_GET_DEVICESIZE (Response);\r |
40842a5e | 394 | NumBlocks = ((CardSize + 1) * 1024);\r |
842b02d8 | 395 | BlockSize = 1 << MMC_CSD_GET_READBLLEN (Response);\r |
40842a5e | 396 | } else {\r |
6f711615 | 397 | CardSize = MMC_CSD_GET_DEVICESIZE (Response);\r |
398 | NumBlocks = (CardSize + 1) * (1 << (MMC_CSD_GET_DEVICESIZEMULT (Response) + 2));\r | |
842b02d8 | 399 | BlockSize = 1 << MMC_CSD_GET_READBLLEN (Response);\r |
40842a5e | 400 | }\r |
401 | \r | |
402 | //For >=2G card, BlockSize may be 1K, but the transfer size is 512 bytes.\r | |
403 | if (BlockSize > 512) {\r | |
6f711615 | 404 | NumBlocks = MultU64x32 (NumBlocks, BlockSize/512);\r |
40842a5e | 405 | BlockSize = 512;\r |
406 | }\r | |
407 | \r | |
408 | MmcHostInstance->BlockIo.Media->LastBlock = (NumBlocks - 1);\r | |
409 | MmcHostInstance->BlockIo.Media->BlockSize = BlockSize;\r | |
16d88c2d | 410 | MmcHostInstance->BlockIo.Media->ReadOnly = MmcHost->IsReadOnly (MmcHost);\r |
40842a5e | 411 | MmcHostInstance->BlockIo.Media->MediaPresent = TRUE;\r |
412 | MmcHostInstance->BlockIo.Media->MediaId++;\r | |
413 | \r | |
414 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
16d88c2d | 415 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD7, CmdArg);\r |
6f711615 | 416 | if (EFI_ERROR (Status)) {\r |
842b02d8 | 417 | DEBUG((EFI_D_ERROR, "InitializeMmcDevice(MMC_CMD7): Error and Status = %r\n", Status));\r |
40842a5e | 418 | return Status;\r |
419 | }\r | |
420 | \r | |
421 | Status = MmcNotifyState (MmcHostInstance, MmcTransferState);\r | |
6f711615 | 422 | if (EFI_ERROR (Status)) {\r |
842b02d8 | 423 | DEBUG((EFI_D_ERROR, "InitializeMmcDevice(): Error MmcTransferState\n"));\r |
40842a5e | 424 | return Status;\r |
425 | }\r | |
426 | \r | |
427 | // Set Block Length\r | |
16d88c2d | 428 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD16, MmcHostInstance->BlockIo.Media->BlockSize);\r |
6f711615 | 429 | if (EFI_ERROR (Status)) {\r |
842b02d8 OM |
430 | DEBUG((EFI_D_ERROR, "InitializeMmcDevice(MMC_CMD16): Error MmcHostInstance->BlockIo.Media->BlockSize: %d and Error = %r\n",\r |
431 | MmcHostInstance->BlockIo.Media->BlockSize, Status));\r | |
40842a5e | 432 | return Status;\r |
433 | }\r | |
434 | \r | |
435 | // Block Count (not used). Could return an error for SD card\r | |
436 | if (MmcHostInstance->CardInfo.CardType == MMC_CARD) {\r | |
16d88c2d | 437 | MmcHost->SendCommand (MmcHost, MMC_CMD23, BlockCount);\r |
40842a5e | 438 | }\r |
439 | \r | |
440 | return EFI_SUCCESS;\r | |
441 | }\r | |
442 | \r | |
1bfda055 | 443 | EFI_STATUS\r |
444 | EFIAPI\r | |
445 | MmcReset (\r | |
446 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
447 | IN BOOLEAN ExtendedVerification\r | |
e8e95df4 | 448 | )\r |
449 | {\r | |
3de99375 | 450 | MMC_HOST_INSTANCE *MmcHostInstance;\r |
451 | \r | |
6f711615 | 452 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS (This);\r |
3de99375 | 453 | \r |
454 | if (MmcHostInstance->MmcHost == NULL) {\r | |
455 | // Nothing to do\r | |
456 | return EFI_SUCCESS;\r | |
457 | }\r | |
458 | \r | |
459 | // If a card is not present then clear all media settings\r | |
16d88c2d | 460 | if (!MmcHostInstance->MmcHost->IsCardPresent (MmcHostInstance->MmcHost)) {\r |
3de99375 | 461 | MmcHostInstance->BlockIo.Media->MediaPresent = FALSE;\r |
462 | MmcHostInstance->BlockIo.Media->LastBlock = 0;\r | |
463 | MmcHostInstance->BlockIo.Media->BlockSize = 512; // Should be zero but there is a bug in DiskIo\r | |
464 | MmcHostInstance->BlockIo.Media->ReadOnly = FALSE;\r | |
465 | \r | |
466 | // Indicate that the driver requires initialization\r | |
467 | MmcHostInstance->State = MmcHwInitializationState;\r | |
468 | \r | |
469 | return EFI_SUCCESS;\r | |
470 | }\r | |
471 | \r | |
e8e95df4 | 472 | // Implement me. Either send a CMD0 (could not work for some MMC host) or just turn off/turn\r |
473 | // on power and restart Identification mode\r | |
474 | return EFI_SUCCESS;\r | |
1bfda055 | 475 | }\r |
476 | \r | |
477 | EFI_STATUS\r | |
478 | MmcDetectCard (\r | |
479 | EFI_MMC_HOST_PROTOCOL *MmcHost\r | |
480 | )\r | |
481 | {\r | |
16d88c2d | 482 | if (!MmcHost->IsCardPresent (MmcHost)) {\r |
e8e95df4 | 483 | return EFI_NO_MEDIA;\r |
484 | } else {\r | |
485 | return EFI_SUCCESS;\r | |
486 | }\r | |
1bfda055 | 487 | }\r |
488 | \r | |
9532373b OM |
489 | EFI_STATUS\r |
490 | MmcStopTransmission (\r | |
491 | EFI_MMC_HOST_PROTOCOL *MmcHost\r | |
492 | )\r | |
493 | {\r | |
494 | EFI_STATUS Status;\r | |
495 | UINT32 Response[4];\r | |
496 | // Command 12 - Stop transmission (ends read or write)\r | |
497 | // Normally only needed for streaming transfers or after error.\r | |
498 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD12, 0);\r | |
499 | if (!EFI_ERROR (Status)) {\r | |
500 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1b, Response);\r | |
501 | }\r | |
502 | return Status;\r | |
503 | }\r | |
504 | \r | |
1bfda055 | 505 | #define MMCI0_BLOCKLEN 512\r |
506 | #define MMCI0_TIMEOUT 10000\r | |
507 | \r | |
e8e95df4 | 508 | EFI_STATUS\r |
509 | MmcIoBlocks (\r | |
1bfda055 | 510 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
511 | IN UINTN Transfer,\r | |
512 | IN UINT32 MediaId,\r | |
513 | IN EFI_LBA Lba,\r | |
514 | IN UINTN BufferSize,\r | |
515 | OUT VOID *Buffer\r | |
e8e95df4 | 516 | )\r |
517 | {\r | |
518 | UINT32 Response[4];\r | |
519 | EFI_STATUS Status;\r | |
40842a5e | 520 | UINTN CmdArg;\r |
969ece79 | 521 | INTN Timeout;\r |
e8e95df4 | 522 | UINTN Cmd;\r |
523 | MMC_HOST_INSTANCE *MmcHostInstance;\r | |
524 | EFI_MMC_HOST_PROTOCOL *MmcHost;\r | |
525 | UINTN BytesRemainingToBeTransfered;\r | |
842b02d8 | 526 | UINTN BlockCount;\r |
e8e95df4 | 527 | \r |
842b02d8 | 528 | BlockCount = 1;\r |
6f711615 | 529 | MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS (This);\r |
842b02d8 | 530 | ASSERT (MmcHostInstance != NULL);\r |
e8e95df4 | 531 | MmcHost = MmcHostInstance->MmcHost;\r |
6f711615 | 532 | ASSERT (MmcHost);\r |
e8e95df4 | 533 | \r |
5ab765a7 | 534 | if (This->Media->MediaId != MediaId) {\r |
535 | return EFI_MEDIA_CHANGED;\r | |
536 | }\r | |
537 | \r | |
842b02d8 | 538 | if ((MmcHost == NULL) || (Buffer == NULL)) {\r |
e8e95df4 | 539 | return EFI_INVALID_PARAMETER;\r |
540 | }\r | |
541 | \r | |
542 | // Check if a Card is Present\r | |
3de99375 | 543 | if (!MmcHostInstance->BlockIo.Media->MediaPresent) {\r |
e8e95df4 | 544 | return EFI_NO_MEDIA;\r |
545 | }\r | |
546 | \r | |
969ece79 | 547 | // All blocks must be within the device\r |
842b02d8 | 548 | if ((Lba + (BufferSize / This->Media->BlockSize)) > (This->Media->LastBlock + 1)) {\r |
969ece79 | 549 | return EFI_INVALID_PARAMETER;\r |
e8e95df4 | 550 | }\r |
551 | \r | |
842b02d8 | 552 | if ((Transfer == MMC_IOBLOCKS_WRITE) && (This->Media->ReadOnly == TRUE)) {\r |
5ab765a7 | 553 | return EFI_WRITE_PROTECTED;\r |
969ece79 | 554 | }\r |
555 | \r | |
5ab765a7 | 556 | // Reading 0 Byte is valid\r |
557 | if (BufferSize == 0) {\r | |
558 | return EFI_SUCCESS;\r | |
969ece79 | 559 | }\r |
560 | \r | |
5ab765a7 | 561 | // The buffer size must be an exact multiple of the block size\r |
562 | if ((BufferSize % This->Media->BlockSize) != 0) {\r | |
563 | return EFI_BAD_BUFFER_SIZE;\r | |
564 | }\r | |
565 | \r | |
566 | // Check the alignment\r | |
567 | if ((This->Media->IoAlign > 2) && (((UINTN)Buffer & (This->Media->IoAlign - 1)) != 0)) {\r | |
568 | return EFI_INVALID_PARAMETER;\r | |
e8e95df4 | 569 | }\r |
570 | \r | |
571 | BytesRemainingToBeTransfered = BufferSize;\r | |
572 | while (BytesRemainingToBeTransfered > 0) {\r | |
573 | \r | |
574 | // Check if the Card is in Ready status\r | |
575 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
576 | Response[0] = 0;\r | |
577 | Timeout = 20;\r | |
260675b0 | 578 | while( (!(Response[0] & MMC_R0_READY_FOR_DATA))\r |
6f711615 | 579 | && (MMC_R0_CURRENTSTATE (Response) != MMC_R0_STATE_TRAN)\r |
260675b0 | 580 | && Timeout--) {\r |
16d88c2d | 581 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
6f711615 | 582 | if (!EFI_ERROR (Status)) {\r |
583 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);\r | |
e8e95df4 | 584 | }\r |
1bfda055 | 585 | }\r |
586 | \r | |
e8e95df4 | 587 | if (0 == Timeout) {\r |
6f711615 | 588 | DEBUG ((EFI_D_ERROR, "The Card is busy\n"));\r |
e8e95df4 | 589 | return EFI_NOT_READY;\r |
b9d5fe03 | 590 | }\r |
591 | \r | |
e8e95df4 | 592 | //Set command argument based on the card access mode (Byte mode or Block mode)\r |
593 | if (MmcHostInstance->CardInfo.OCRData.AccessMode & BIT1) {\r | |
594 | CmdArg = Lba;\r | |
595 | } else {\r | |
596 | CmdArg = Lba * This->Media->BlockSize;\r | |
597 | }\r | |
1bfda055 | 598 | \r |
e8e95df4 | 599 | if (Transfer == MMC_IOBLOCKS_READ) {\r |
e8e95df4 | 600 | // Read a single block\r |
601 | Cmd = MMC_CMD17;\r | |
e8e95df4 | 602 | } else {\r |
e8e95df4 | 603 | // Write a single block\r |
604 | Cmd = MMC_CMD24;\r | |
e8e95df4 | 605 | }\r |
16d88c2d | 606 | Status = MmcHost->SendCommand (MmcHost, Cmd, CmdArg);\r |
6f711615 | 607 | if (EFI_ERROR (Status)) {\r |
608 | DEBUG ((EFI_D_ERROR, "MmcIoBlocks(MMC_CMD%d): Error %r\n", Cmd, Status));\r | |
e8e95df4 | 609 | return Status;\r |
610 | }\r | |
1bfda055 | 611 | \r |
e8e95df4 | 612 | if (Transfer == MMC_IOBLOCKS_READ) {\r |
e8e95df4 | 613 | // Read one block of Data\r |
6f711615 | 614 | Status = MmcHost->ReadBlockData (MmcHost, Lba, This->Media->BlockSize, Buffer);\r |
615 | if (EFI_ERROR (Status)) {\r | |
616 | DEBUG ((EFI_D_BLKIO, "MmcIoBlocks(): Error Read Block Data and Status = %r\n", Status));\r | |
9532373b | 617 | MmcStopTransmission (MmcHost);\r |
e8e95df4 | 618 | return Status;\r |
619 | }\r | |
e8e95df4 | 620 | Status = MmcNotifyState (MmcHostInstance, MmcProgrammingState);\r |
6f711615 | 621 | if (EFI_ERROR (Status)) {\r |
622 | DEBUG ((EFI_D_ERROR, "MmcIoBlocks() : Error MmcProgrammingState\n"));\r | |
e8e95df4 | 623 | return Status;\r |
624 | }\r | |
625 | } else {\r | |
e8e95df4 | 626 | // Write one block of Data\r |
6f711615 | 627 | Status = MmcHost->WriteBlockData (MmcHost, Lba, This->Media->BlockSize, Buffer);\r |
628 | if (EFI_ERROR (Status)) {\r | |
629 | DEBUG ((EFI_D_BLKIO, "MmcIoBlocks(): Error Write Block Data and Status = %r\n", Status));\r | |
9532373b | 630 | MmcStopTransmission (MmcHost);\r |
e8e95df4 | 631 | return Status;\r |
632 | }\r | |
e8e95df4 | 633 | }\r |
1bfda055 | 634 | \r |
e8e95df4 | 635 | // Command 13 - Read status and wait for programming to complete (return to tran)\r |
636 | Timeout = MMCI0_TIMEOUT;\r | |
637 | CmdArg = MmcHostInstance->CardInfo.RCA << 16;\r | |
638 | Response[0] = 0;\r | |
260675b0 | 639 | while( (!(Response[0] & MMC_R0_READY_FOR_DATA))\r |
6f711615 | 640 | && (MMC_R0_CURRENTSTATE (Response) != MMC_R0_STATE_TRAN)\r |
260675b0 | 641 | && Timeout--) {\r |
16d88c2d | 642 | Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);\r |
6f711615 | 643 | if (!EFI_ERROR (Status)) {\r |
699e34ad | 644 | MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);\r |
645 | if ((Response[0] & MMC_R0_READY_FOR_DATA)) {\r | |
646 | break; // Prevents delay once finished\r | |
647 | }\r | |
e8e95df4 | 648 | }\r |
6f711615 | 649 | NanoSecondDelay (100);\r |
e8e95df4 | 650 | }\r |
1bfda055 | 651 | \r |
e8e95df4 | 652 | Status = MmcNotifyState (MmcHostInstance, MmcTransferState);\r |
6f711615 | 653 | if (EFI_ERROR (Status)) {\r |
654 | DEBUG ((EFI_D_ERROR, "MmcIoBlocks() : Error MmcTransferState\n"));\r | |
e8e95df4 | 655 | return Status;\r |
1bfda055 | 656 | }\r |
657 | \r | |
e8e95df4 | 658 | BytesRemainingToBeTransfered -= This->Media->BlockSize;\r |
659 | Lba += BlockCount;\r | |
660 | Buffer = (UINT8 *)Buffer + This->Media->BlockSize;\r | |
661 | }\r | |
662 | \r | |
663 | return EFI_SUCCESS;\r | |
1bfda055 | 664 | }\r |
665 | \r | |
666 | EFI_STATUS\r | |
667 | EFIAPI\r | |
668 | MmcReadBlocks (\r | |
669 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
670 | IN UINT32 MediaId,\r | |
671 | IN EFI_LBA Lba,\r | |
672 | IN UINTN BufferSize,\r | |
673 | OUT VOID *Buffer\r | |
e8e95df4 | 674 | )\r |
675 | {\r | |
676 | return MmcIoBlocks (This, MMC_IOBLOCKS_READ, MediaId, Lba, BufferSize, Buffer);\r | |
1bfda055 | 677 | }\r |
678 | \r | |
679 | EFI_STATUS\r | |
680 | EFIAPI\r | |
681 | MmcWriteBlocks (\r | |
682 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
683 | IN UINT32 MediaId,\r | |
684 | IN EFI_LBA Lba,\r | |
685 | IN UINTN BufferSize,\r | |
686 | IN VOID *Buffer\r | |
e8e95df4 | 687 | )\r |
688 | {\r | |
689 | return MmcIoBlocks (This, MMC_IOBLOCKS_WRITE, MediaId, Lba, BufferSize, Buffer);\r | |
1bfda055 | 690 | }\r |
691 | \r | |
692 | EFI_STATUS\r | |
693 | EFIAPI\r | |
694 | MmcFlushBlocks (\r | |
695 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
e8e95df4 | 696 | )\r |
697 | {\r | |
698 | return EFI_SUCCESS;\r | |
1bfda055 | 699 | }\r |