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48555339 FT |
1 | /** @file\r |
2 | This file provides some helper functions which are specific for SD card device.\r | |
3 | \r | |
ac30e4c1 | 4 | Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>\r |
48555339 FT |
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 "SdMmcPciHcDxe.h"\r | |
16 | \r | |
17 | /**\r | |
18 | Send command GO_IDLE_STATE to the device to make it go to Idle State.\r | |
19 | \r | |
20 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
21 | \r | |
22 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
23 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
24 | \r | |
25 | @retval EFI_SUCCESS The SD device is reset correctly.\r | |
26 | @retval Others The device reset fails.\r | |
27 | \r | |
28 | **/\r | |
29 | EFI_STATUS\r | |
30 | SdCardReset (\r | |
31 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
32 | IN UINT8 Slot\r | |
33 | )\r | |
34 | {\r | |
35 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
36 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
37 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
38 | EFI_STATUS Status;\r | |
39 | \r | |
40 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
41 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
42 | ZeroMem (&Packet, sizeof (Packet));\r | |
43 | \r | |
44 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
45 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
46 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
47 | \r | |
48 | SdMmcCmdBlk.CommandIndex = SD_GO_IDLE_STATE;\r | |
49 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeBc;\r | |
50 | \r | |
51 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
52 | \r | |
53 | return Status;\r | |
54 | }\r | |
55 | \r | |
56 | /**\r | |
57 | Send command SEND_IF_COND to the device to inquiry the SD Memory Card interface\r | |
58 | condition.\r | |
59 | \r | |
60 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
61 | \r | |
62 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
63 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
64 | @param[in] SupplyVoltage The supplied voltage by the host.\r | |
65 | @param[in] CheckPattern The check pattern to be sent to the device.\r | |
66 | \r | |
67 | @retval EFI_SUCCESS The operation is done correctly.\r | |
68 | @retval Others The operation fails.\r | |
69 | \r | |
70 | **/\r | |
71 | EFI_STATUS\r | |
72 | SdCardVoltageCheck (\r | |
73 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
74 | IN UINT8 Slot,\r | |
75 | IN UINT8 SupplyVoltage,\r | |
76 | IN UINT8 CheckPattern\r | |
77 | )\r | |
78 | {\r | |
79 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
80 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
81 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
82 | EFI_STATUS Status;\r | |
83 | \r | |
84 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
85 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
86 | ZeroMem (&Packet, sizeof (Packet));\r | |
87 | \r | |
88 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
89 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
90 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
91 | \r | |
92 | SdMmcCmdBlk.CommandIndex = SD_SEND_IF_COND;\r | |
93 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;\r | |
94 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR7;\r | |
95 | SdMmcCmdBlk.CommandArgument = (SupplyVoltage << 8) | CheckPattern;\r | |
96 | \r | |
97 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
98 | \r | |
99 | if (!EFI_ERROR (Status)) {\r | |
100 | if (SdMmcStatusBlk.Resp0 != SdMmcCmdBlk.CommandArgument) {\r | |
101 | return EFI_DEVICE_ERROR;\r | |
102 | }\r | |
103 | }\r | |
104 | \r | |
105 | return Status;\r | |
106 | }\r | |
107 | \r | |
108 | /**\r | |
109 | Send command SDIO_SEND_OP_COND to the device to see whether it is SDIO device.\r | |
110 | \r | |
111 | Refer to SDIO Simplified Spec 3 Section 3.2 for details.\r | |
112 | \r | |
113 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
114 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
115 | @param[in] VoltageWindow The supply voltage window.\r | |
116 | @param[in] S18R The boolean to show if it should switch to 1.8v.\r | |
117 | \r | |
118 | @retval EFI_SUCCESS The operation is done correctly.\r | |
119 | @retval Others The operation fails.\r | |
120 | \r | |
121 | **/\r | |
122 | EFI_STATUS\r | |
123 | SdioSendOpCond (\r | |
124 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
125 | IN UINT8 Slot,\r | |
126 | IN UINT32 VoltageWindow,\r | |
127 | IN BOOLEAN S18R\r | |
128 | )\r | |
129 | {\r | |
130 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
131 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
132 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
133 | EFI_STATUS Status;\r | |
134 | UINT32 Switch;\r | |
135 | \r | |
136 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
137 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
138 | ZeroMem (&Packet, sizeof (Packet));\r | |
139 | \r | |
140 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
141 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
142 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
143 | \r | |
144 | SdMmcCmdBlk.CommandIndex = SDIO_SEND_OP_COND;\r | |
145 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;\r | |
146 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR4;\r | |
147 | \r | |
148 | Switch = S18R ? BIT24 : 0;\r | |
149 | \r | |
150 | SdMmcCmdBlk.CommandArgument = (VoltageWindow & 0xFFFFFF) | Switch;\r | |
151 | \r | |
152 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
153 | \r | |
154 | return Status;\r | |
155 | }\r | |
156 | \r | |
157 | /**\r | |
158 | Send command SD_SEND_OP_COND to the device to see whether it is SDIO device.\r | |
159 | \r | |
160 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
161 | \r | |
162 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
163 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
164 | @param[in] Rca The relative device address of addressed device.\r | |
165 | @param[in] VoltageWindow The supply voltage window.\r | |
166 | @param[in] S18R The boolean to show if it should switch to 1.8v.\r | |
167 | @param[in] Xpc The boolean to show if it should provide 0.36w power control.\r | |
168 | @param[in] Hcs The boolean to show if it support host capacity info.\r | |
169 | @param[out] Ocr The buffer to store returned OCR register value.\r | |
170 | \r | |
171 | @retval EFI_SUCCESS The operation is done correctly.\r | |
172 | @retval Others The operation fails.\r | |
173 | \r | |
174 | **/\r | |
175 | EFI_STATUS\r | |
176 | SdCardSendOpCond (\r | |
177 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
178 | IN UINT8 Slot,\r | |
179 | IN UINT16 Rca,\r | |
180 | IN UINT32 VoltageWindow,\r | |
181 | IN BOOLEAN S18R,\r | |
182 | IN BOOLEAN Xpc,\r | |
183 | IN BOOLEAN Hcs,\r | |
184 | OUT UINT32 *Ocr\r | |
185 | )\r | |
186 | {\r | |
187 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
188 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
189 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
190 | EFI_STATUS Status;\r | |
191 | UINT32 Switch;\r | |
192 | UINT32 MaxPower;\r | |
193 | UINT32 HostCapacity;\r | |
194 | \r | |
195 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
196 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
197 | ZeroMem (&Packet, sizeof (Packet));\r | |
198 | \r | |
199 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
200 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
201 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
202 | \r | |
203 | SdMmcCmdBlk.CommandIndex = SD_APP_CMD;\r | |
204 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
205 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
206 | SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;\r | |
207 | \r | |
208 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
209 | if (EFI_ERROR (Status)) {\r | |
210 | return Status;\r | |
211 | }\r | |
212 | \r | |
213 | SdMmcCmdBlk.CommandIndex = SD_SEND_OP_COND;\r | |
214 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;\r | |
215 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR3;\r | |
216 | \r | |
217 | Switch = S18R ? BIT24 : 0;\r | |
218 | MaxPower = Xpc ? BIT28 : 0;\r | |
219 | HostCapacity = Hcs ? BIT30 : 0;\r | |
220 | \r | |
221 | SdMmcCmdBlk.CommandArgument = (VoltageWindow & 0xFFFFFF) | Switch | MaxPower | HostCapacity;\r | |
222 | \r | |
223 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
224 | if (!EFI_ERROR (Status)) {\r | |
225 | //\r | |
226 | // For details, refer to SD Host Controller Simplified Spec 3.0 Table 2-12.\r | |
227 | //\r | |
228 | *Ocr = SdMmcStatusBlk.Resp0;\r | |
229 | }\r | |
230 | \r | |
231 | return Status;\r | |
232 | }\r | |
233 | \r | |
234 | /**\r | |
235 | Broadcast command ALL_SEND_CID to the bus to ask all the SD devices to send the\r | |
236 | data of their CID registers.\r | |
237 | \r | |
238 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
239 | \r | |
240 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
241 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
242 | \r | |
243 | @retval EFI_SUCCESS The operation is done correctly.\r | |
244 | @retval Others The operation fails.\r | |
245 | \r | |
246 | **/\r | |
247 | EFI_STATUS\r | |
248 | SdCardAllSendCid (\r | |
249 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
250 | IN UINT8 Slot\r | |
251 | )\r | |
252 | {\r | |
253 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
254 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
255 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
256 | EFI_STATUS Status;\r | |
257 | \r | |
258 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
259 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
260 | ZeroMem (&Packet, sizeof (Packet));\r | |
261 | \r | |
262 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
263 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
264 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
265 | \r | |
266 | SdMmcCmdBlk.CommandIndex = SD_ALL_SEND_CID;\r | |
267 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;\r | |
268 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR2;\r | |
269 | \r | |
270 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
271 | \r | |
272 | return Status;\r | |
273 | }\r | |
274 | \r | |
275 | /**\r | |
276 | Send command SET_RELATIVE_ADDR to the SD device to assign a Relative device\r | |
277 | Address (RCA).\r | |
278 | \r | |
279 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
280 | \r | |
281 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
282 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
283 | @param[out] Rca The relative device address to assign.\r | |
284 | \r | |
285 | @retval EFI_SUCCESS The operation is done correctly.\r | |
286 | @retval Others The operation fails.\r | |
287 | \r | |
288 | **/\r | |
289 | EFI_STATUS\r | |
290 | SdCardSetRca (\r | |
291 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
292 | IN UINT8 Slot,\r | |
293 | OUT UINT16 *Rca\r | |
294 | )\r | |
295 | {\r | |
296 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
297 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
298 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
299 | EFI_STATUS Status;\r | |
300 | \r | |
301 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
302 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
303 | ZeroMem (&Packet, sizeof (Packet));\r | |
304 | \r | |
305 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
306 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
307 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
308 | \r | |
309 | SdMmcCmdBlk.CommandIndex = SD_SET_RELATIVE_ADDR;\r | |
310 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;\r | |
311 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR6;\r | |
312 | \r | |
313 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
314 | if (!EFI_ERROR (Status)) {\r | |
315 | *Rca = (UINT16)(SdMmcStatusBlk.Resp0 >> 16);\r | |
316 | }\r | |
317 | \r | |
318 | return Status;\r | |
319 | }\r | |
320 | \r | |
321 | /**\r | |
322 | Send command SEND_CSD to the SD device to get the data of the CSD register.\r | |
323 | \r | |
324 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
325 | \r | |
326 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
327 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
328 | @param[in] Rca The relative device address of selected device.\r | |
329 | @param[out] Csd The buffer to store the content of the CSD register.\r | |
330 | Note the caller should ignore the lowest byte of this\r | |
331 | buffer as the content of this byte is meaningless even\r | |
332 | if the operation succeeds.\r | |
333 | \r | |
334 | @retval EFI_SUCCESS The operation is done correctly.\r | |
335 | @retval Others The operation fails.\r | |
336 | \r | |
337 | **/\r | |
338 | EFI_STATUS\r | |
339 | SdCardGetCsd (\r | |
340 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
341 | IN UINT8 Slot,\r | |
342 | IN UINT16 Rca,\r | |
343 | OUT SD_CSD *Csd\r | |
344 | )\r | |
345 | {\r | |
346 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
347 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
348 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
349 | EFI_STATUS Status;\r | |
350 | \r | |
351 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
352 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
353 | ZeroMem (&Packet, sizeof (Packet));\r | |
354 | \r | |
355 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
356 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
357 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
358 | \r | |
359 | SdMmcCmdBlk.CommandIndex = SD_SEND_CSD;\r | |
360 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
361 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR2;\r | |
362 | SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;\r | |
363 | \r | |
364 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
365 | if (!EFI_ERROR (Status)) {\r | |
366 | //\r | |
367 | // For details, refer to SD Host Controller Simplified Spec 3.0 Table 2-12.\r | |
368 | //\r | |
369 | CopyMem (((UINT8*)Csd) + 1, &SdMmcStatusBlk.Resp0, sizeof (SD_CSD) - 1);\r | |
370 | }\r | |
371 | \r | |
372 | return Status;\r | |
373 | }\r | |
374 | \r | |
375 | /**\r | |
376 | Send command SEND_CSD to the SD device to get the data of the CSD register.\r | |
377 | \r | |
378 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
379 | \r | |
380 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
381 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
382 | @param[in] Rca The relative device address of selected device.\r | |
383 | @param[out] Scr The buffer to store the content of the SCR register.\r | |
384 | \r | |
385 | @retval EFI_SUCCESS The operation is done correctly.\r | |
386 | @retval Others The operation fails.\r | |
387 | \r | |
388 | **/\r | |
389 | EFI_STATUS\r | |
390 | SdCardGetScr (\r | |
391 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
392 | IN UINT8 Slot,\r | |
393 | IN UINT16 Rca,\r | |
394 | OUT SD_SCR *Scr\r | |
395 | )\r | |
396 | {\r | |
397 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
398 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
399 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
400 | EFI_STATUS Status;\r | |
401 | \r | |
402 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
403 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
404 | ZeroMem (&Packet, sizeof (Packet));\r | |
405 | \r | |
406 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
407 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
408 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
409 | \r | |
410 | SdMmcCmdBlk.CommandIndex = SD_APP_CMD;\r | |
411 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
412 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
413 | SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;\r | |
414 | \r | |
415 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
416 | if (EFI_ERROR (Status)) {\r | |
417 | return Status;\r | |
418 | }\r | |
419 | \r | |
420 | SdMmcCmdBlk.CommandIndex = SD_SEND_SCR;\r | |
421 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;\r | |
422 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
423 | \r | |
424 | Packet.InDataBuffer = Scr;\r | |
425 | Packet.InTransferLength = sizeof (SD_SCR);\r | |
426 | \r | |
427 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
428 | \r | |
429 | return Status;\r | |
430 | }\r | |
431 | \r | |
432 | /**\r | |
433 | Send command SELECT_DESELECT_CARD to the SD device to select/deselect it.\r | |
434 | \r | |
435 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
436 | \r | |
437 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
438 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
439 | @param[in] Rca The relative device address of selected device.\r | |
440 | \r | |
441 | @retval EFI_SUCCESS The operation is done correctly.\r | |
442 | @retval Others The operation fails.\r | |
443 | \r | |
444 | **/\r | |
445 | EFI_STATUS\r | |
446 | SdCardSelect (\r | |
447 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
448 | IN UINT8 Slot,\r | |
449 | IN UINT16 Rca\r | |
450 | )\r | |
451 | {\r | |
452 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
453 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
454 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
455 | EFI_STATUS Status;\r | |
456 | \r | |
457 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
458 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
459 | ZeroMem (&Packet, sizeof (Packet));\r | |
460 | \r | |
461 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
462 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
463 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
464 | \r | |
465 | SdMmcCmdBlk.CommandIndex = SD_SELECT_DESELECT_CARD;\r | |
466 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
ac30e4c1 FT |
467 | if (Rca != 0) {\r |
468 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1b;\r | |
469 | }\r | |
48555339 FT |
470 | SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;\r |
471 | \r | |
472 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
473 | \r | |
474 | return Status;\r | |
475 | }\r | |
476 | \r | |
477 | /**\r | |
478 | Send command VOLTAGE_SWITCH to the SD device to switch the voltage of the device.\r | |
479 | \r | |
480 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
481 | \r | |
482 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
483 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
484 | \r | |
485 | @retval EFI_SUCCESS The operation is done correctly.\r | |
486 | @retval Others The operation fails.\r | |
487 | \r | |
488 | **/\r | |
489 | EFI_STATUS\r | |
490 | SdCardVoltageSwitch (\r | |
491 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
492 | IN UINT8 Slot\r | |
493 | )\r | |
494 | {\r | |
495 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
496 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
497 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
498 | EFI_STATUS Status;\r | |
499 | \r | |
500 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
501 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
502 | ZeroMem (&Packet, sizeof (Packet));\r | |
503 | \r | |
504 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
505 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
506 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
507 | \r | |
508 | SdMmcCmdBlk.CommandIndex = SD_VOLTAGE_SWITCH;\r | |
509 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
510 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
511 | SdMmcCmdBlk.CommandArgument = 0;\r | |
512 | \r | |
513 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
514 | \r | |
515 | return Status;\r | |
516 | }\r | |
517 | \r | |
518 | /**\r | |
519 | Send command SET_BUS_WIDTH to the SD device to set the bus width.\r | |
520 | \r | |
521 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
522 | \r | |
523 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
524 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
525 | @param[in] Rca The relative device address of addressed device.\r | |
526 | @param[in] BusWidth The bus width to be set, it could be 1 or 4.\r | |
527 | \r | |
528 | @retval EFI_SUCCESS The operation is done correctly.\r | |
529 | @retval Others The operation fails.\r | |
530 | \r | |
531 | **/\r | |
532 | EFI_STATUS\r | |
533 | SdCardSetBusWidth (\r | |
534 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
535 | IN UINT8 Slot,\r | |
536 | IN UINT16 Rca,\r | |
537 | IN UINT8 BusWidth\r | |
538 | )\r | |
539 | {\r | |
540 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
541 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
542 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
543 | EFI_STATUS Status;\r | |
544 | UINT8 Value;\r | |
545 | \r | |
546 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
547 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
548 | ZeroMem (&Packet, sizeof (Packet));\r | |
549 | \r | |
550 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
551 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
552 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
553 | \r | |
554 | SdMmcCmdBlk.CommandIndex = SD_APP_CMD;\r | |
555 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
556 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
557 | SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;\r | |
558 | \r | |
559 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
560 | if (EFI_ERROR (Status)) {\r | |
561 | return Status;\r | |
562 | }\r | |
563 | \r | |
564 | SdMmcCmdBlk.CommandIndex = SD_SET_BUS_WIDTH;\r | |
565 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
566 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
567 | \r | |
568 | if (BusWidth == 1) {\r | |
569 | Value = 0;\r | |
570 | } else if (BusWidth == 4) {\r | |
571 | Value = 2;\r | |
572 | } else {\r | |
573 | return EFI_INVALID_PARAMETER;\r | |
574 | }\r | |
575 | \r | |
576 | SdMmcCmdBlk.CommandArgument = Value & 0x3;\r | |
577 | \r | |
578 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
579 | return Status;\r | |
580 | }\r | |
581 | \r | |
582 | /**\r | |
583 | Send command SWITCH_FUNC to the SD device to check switchable function or switch card function.\r | |
584 | \r | |
585 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
586 | \r | |
587 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
588 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
589 | @param[in] AccessMode The value for access mode group.\r | |
590 | @param[in] CommandSystem The value for command set group.\r | |
591 | @param[in] DriveStrength The value for drive length group.\r | |
592 | @param[in] PowerLimit The value for power limit group.\r | |
593 | @param[in] Mode Switch or check function.\r | |
594 | \r | |
595 | @retval EFI_SUCCESS The operation is done correctly.\r | |
596 | @retval Others The operation fails.\r | |
597 | \r | |
598 | **/\r | |
599 | EFI_STATUS\r | |
600 | SdCardSwitch (\r | |
601 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
602 | IN UINT8 Slot,\r | |
603 | IN UINT8 AccessMode,\r | |
604 | IN UINT8 CommandSystem,\r | |
605 | IN UINT8 DriveStrength,\r | |
606 | IN UINT8 PowerLimit,\r | |
607 | IN BOOLEAN Mode\r | |
608 | )\r | |
609 | {\r | |
610 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
611 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
612 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
613 | EFI_STATUS Status;\r | |
614 | UINT32 ModeValue;\r | |
615 | UINT8 Data[64];\r | |
616 | \r | |
617 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
618 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
619 | ZeroMem (&Packet, sizeof (Packet));\r | |
620 | \r | |
621 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
622 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
623 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
624 | \r | |
625 | SdMmcCmdBlk.CommandIndex = SD_SWITCH_FUNC;\r | |
626 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;\r | |
627 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
628 | \r | |
629 | ModeValue = Mode ? BIT31 : 0;\r | |
630 | SdMmcCmdBlk.CommandArgument = (AccessMode & 0xF) | ((PowerLimit & 0xF) << 4) | \\r | |
631 | ((DriveStrength & 0xF) << 8) | ((DriveStrength & 0xF) << 12) | \\r | |
632 | ModeValue;\r | |
633 | \r | |
634 | Packet.InDataBuffer = Data;\r | |
635 | Packet.InTransferLength = sizeof (Data);\r | |
636 | \r | |
637 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
638 | \r | |
639 | return Status;\r | |
640 | }\r | |
641 | \r | |
642 | /**\r | |
643 | Send command SEND_STATUS to the addressed SD device to get its status register.\r | |
644 | \r | |
645 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
646 | \r | |
647 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
648 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
649 | @param[in] Rca The relative device address of addressed device.\r | |
650 | @param[out] DevStatus The returned device status.\r | |
651 | \r | |
652 | @retval EFI_SUCCESS The operation is done correctly.\r | |
653 | @retval Others The operation fails.\r | |
654 | \r | |
655 | **/\r | |
656 | EFI_STATUS\r | |
657 | SdCardSendStatus (\r | |
658 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
659 | IN UINT8 Slot,\r | |
660 | IN UINT16 Rca,\r | |
661 | OUT UINT32 *DevStatus\r | |
662 | )\r | |
663 | {\r | |
664 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
665 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
666 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
667 | EFI_STATUS Status;\r | |
668 | \r | |
669 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
670 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
671 | ZeroMem (&Packet, sizeof (Packet));\r | |
672 | \r | |
673 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
674 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
675 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
676 | \r | |
677 | SdMmcCmdBlk.CommandIndex = SD_SEND_STATUS;\r | |
678 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
679 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
680 | SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;\r | |
681 | \r | |
682 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
683 | if (!EFI_ERROR (Status)) {\r | |
684 | *DevStatus = SdMmcStatusBlk.Resp0;\r | |
685 | }\r | |
686 | \r | |
687 | return Status;\r | |
688 | }\r | |
689 | \r | |
690 | /**\r | |
691 | Send command SEND_TUNING_BLOCK to the SD device for HS200 optimal sampling point\r | |
692 | detection.\r | |
693 | \r | |
694 | It may be sent up to 40 times until the host finishes the tuning procedure.\r | |
695 | \r | |
696 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
697 | \r | |
698 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
699 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
700 | \r | |
701 | @retval EFI_SUCCESS The operation is done correctly.\r | |
702 | @retval Others The operation fails.\r | |
703 | \r | |
704 | **/\r | |
705 | EFI_STATUS\r | |
706 | SdCardSendTuningBlk (\r | |
707 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
708 | IN UINT8 Slot\r | |
709 | )\r | |
710 | {\r | |
711 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
712 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
713 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
714 | EFI_STATUS Status;\r | |
715 | UINT8 TuningBlock[64];\r | |
716 | \r | |
717 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
718 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
719 | ZeroMem (&Packet, sizeof (Packet));\r | |
720 | \r | |
721 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
722 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
723 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
724 | \r | |
725 | SdMmcCmdBlk.CommandIndex = SD_SEND_TUNING_BLOCK;\r | |
726 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;\r | |
727 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
728 | SdMmcCmdBlk.CommandArgument = 0;\r | |
729 | \r | |
730 | Packet.InDataBuffer = TuningBlock;\r | |
731 | Packet.InTransferLength = sizeof (TuningBlock);\r | |
732 | \r | |
733 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
734 | \r | |
735 | return Status;\r | |
736 | }\r | |
737 | \r | |
738 | /**\r | |
739 | Tunning the sampling point of SDR104 or SDR50 bus speed mode.\r | |
740 | \r | |
741 | Command SD_SEND_TUNING_BLOCK may be sent up to 40 times until the host finishes the\r | |
742 | tuning procedure.\r | |
743 | \r | |
744 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 and\r | |
745 | SD Host Controller Simplified Spec 3.0 section Figure 3-7 for details.\r | |
746 | \r | |
747 | @param[in] PciIo A pointer to the EFI_PCI_IO_PROTOCOL instance.\r | |
748 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
749 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
750 | \r | |
751 | @retval EFI_SUCCESS The operation is done correctly.\r | |
752 | @retval Others The operation fails.\r | |
753 | \r | |
754 | **/\r | |
755 | EFI_STATUS\r | |
756 | SdCardTuningClock (\r | |
757 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
758 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
759 | IN UINT8 Slot\r | |
760 | )\r | |
761 | {\r | |
762 | EFI_STATUS Status;\r | |
763 | UINT8 HostCtrl2;\r | |
764 | UINT8 Retry;\r | |
765 | \r | |
766 | //\r | |
767 | // Notify the host that the sampling clock tuning procedure starts.\r | |
768 | //\r | |
769 | HostCtrl2 = BIT6;\r | |
770 | Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);\r | |
771 | if (EFI_ERROR (Status)) {\r | |
772 | return Status;\r | |
773 | }\r | |
774 | //\r | |
775 | // Ask the device to send a sequence of tuning blocks till the tuning procedure is done.\r | |
776 | //\r | |
777 | Retry = 0;\r | |
778 | do {\r | |
779 | Status = SdCardSendTuningBlk (PassThru, Slot);\r | |
780 | if (EFI_ERROR (Status)) {\r | |
781 | DEBUG ((EFI_D_ERROR, "SdCardSendTuningBlk: Send tuning block fails with %r\n", Status));\r | |
782 | return Status;\r | |
783 | }\r | |
784 | \r | |
785 | Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, TRUE, sizeof (HostCtrl2), &HostCtrl2);\r | |
786 | if (EFI_ERROR (Status)) {\r | |
787 | return Status;\r | |
788 | }\r | |
789 | \r | |
8c983d3e | 790 | if ((HostCtrl2 & (BIT6 | BIT7)) == 0) {\r |
48555339 FT |
791 | break;\r |
792 | }\r | |
8c983d3e FT |
793 | if ((HostCtrl2 & (BIT6 | BIT7)) == BIT7) {\r |
794 | return EFI_SUCCESS;\r | |
795 | }\r | |
48555339 FT |
796 | } while (++Retry < 40);\r |
797 | \r | |
8c983d3e FT |
798 | DEBUG ((EFI_D_ERROR, "SdCardTuningClock: Send tuning block fails at %d times with HostCtrl2 %02x\n", Retry, HostCtrl2));\r |
799 | //\r | |
800 | // Abort the tuning procedure and reset the tuning circuit.\r | |
801 | //\r | |
802 | HostCtrl2 = (UINT8)~(BIT6 | BIT7);\r | |
803 | Status = SdMmcHcAndMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);\r | |
804 | if (EFI_ERROR (Status)) {\r | |
805 | return Status;\r | |
48555339 | 806 | }\r |
8c983d3e | 807 | return EFI_DEVICE_ERROR;\r |
48555339 FT |
808 | }\r |
809 | \r | |
810 | /**\r | |
811 | Switch the bus width to specified width.\r | |
812 | \r | |
813 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 and\r | |
814 | SD Host Controller Simplified Spec 3.0 section Figure 3-7 for details.\r | |
815 | \r | |
816 | @param[in] PciIo A pointer to the EFI_PCI_IO_PROTOCOL instance.\r | |
817 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
818 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
819 | @param[in] Rca The relative device address to be assigned.\r | |
820 | @param[in] BusWidth The bus width to be set, it could be 4 or 8.\r | |
821 | \r | |
822 | @retval EFI_SUCCESS The operation is done correctly.\r | |
823 | @retval Others The operation fails.\r | |
824 | \r | |
825 | **/\r | |
826 | EFI_STATUS\r | |
827 | SdCardSwitchBusWidth (\r | |
828 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
829 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
830 | IN UINT8 Slot,\r | |
831 | IN UINT16 Rca,\r | |
832 | IN UINT8 BusWidth\r | |
833 | )\r | |
834 | {\r | |
835 | EFI_STATUS Status;\r | |
836 | UINT32 DevStatus;\r | |
837 | \r | |
838 | Status = SdCardSetBusWidth (PassThru, Slot, Rca, BusWidth);\r | |
839 | if (EFI_ERROR (Status)) {\r | |
840 | DEBUG ((EFI_D_ERROR, "SdCardSwitchBusWidth: Switch to bus width %d fails with %r\n", BusWidth, Status));\r | |
841 | return Status;\r | |
842 | }\r | |
843 | \r | |
844 | Status = SdCardSendStatus (PassThru, Slot, Rca, &DevStatus);\r | |
845 | if (EFI_ERROR (Status)) {\r | |
846 | DEBUG ((EFI_D_ERROR, "SdCardSwitchBusWidth: Send status fails with %r\n", Status));\r | |
847 | return Status;\r | |
848 | }\r | |
849 | //\r | |
850 | // Check the switch operation is really successful or not.\r | |
851 | //\r | |
852 | if ((DevStatus >> 16) != 0) {\r | |
853 | DEBUG ((EFI_D_ERROR, "SdCardSwitchBusWidth: The switch operation fails as DevStatus is 0x%08x\n", DevStatus));\r | |
854 | return EFI_DEVICE_ERROR;\r | |
855 | }\r | |
856 | \r | |
857 | Status = SdMmcHcSetBusWidth (PciIo, Slot, BusWidth);\r | |
858 | \r | |
859 | return Status;\r | |
860 | }\r | |
861 | \r | |
862 | /**\r | |
863 | Switch the high speed timing according to request.\r | |
864 | \r | |
865 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 and\r | |
866 | SD Host Controller Simplified Spec 3.0 section Figure 2-29 for details.\r | |
867 | \r | |
868 | @param[in] PciIo A pointer to the EFI_PCI_IO_PROTOCOL instance.\r | |
869 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
870 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
871 | @param[in] Rca The relative device address to be assigned.\r | |
872 | @param[in] S18A The boolean to show if it's a UHS-I SD card.\r | |
873 | \r | |
874 | @retval EFI_SUCCESS The operation is done correctly.\r | |
875 | @retval Others The operation fails.\r | |
876 | \r | |
877 | **/\r | |
878 | EFI_STATUS\r | |
879 | SdCardSetBusMode (\r | |
880 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
881 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
882 | IN UINT8 Slot,\r | |
883 | IN UINT16 Rca,\r | |
884 | IN BOOLEAN S18A\r | |
885 | )\r | |
886 | {\r | |
887 | EFI_STATUS Status;\r | |
888 | SD_MMC_HC_SLOT_CAP *Capability;\r | |
889 | UINT32 ClockFreq;\r | |
890 | UINT8 BusWidth;\r | |
891 | UINT8 AccessMode;\r | |
892 | UINT8 HostCtrl1;\r | |
893 | UINT8 HostCtrl2;\r | |
894 | SD_MMC_HC_PRIVATE_DATA *Private;\r | |
895 | \r | |
896 | Private = SD_MMC_HC_PRIVATE_FROM_THIS (PassThru);\r | |
897 | \r | |
898 | Capability = &Private->Capability[Slot];\r | |
899 | \r | |
900 | Status = SdCardSelect (PassThru, Slot, Rca);\r | |
901 | if (EFI_ERROR (Status)) {\r | |
902 | return Status;\r | |
903 | }\r | |
904 | \r | |
905 | BusWidth = 4;\r | |
906 | \r | |
907 | Status = SdCardSwitchBusWidth (PciIo, PassThru, Slot, Rca, BusWidth);\r | |
908 | if (EFI_ERROR (Status)) {\r | |
909 | return Status;\r | |
910 | }\r | |
911 | \r | |
912 | //\r | |
913 | // Calculate supported bus speed/bus width/clock frequency.\r | |
914 | //\r | |
915 | ClockFreq = 0;\r | |
916 | if (S18A && (Capability->Sdr104 != 0)) {\r | |
917 | ClockFreq = 208;\r | |
918 | AccessMode = 3;\r | |
919 | } else if (S18A && (Capability->Sdr50 != 0)) {\r | |
920 | ClockFreq = 100;\r | |
921 | AccessMode = 2;\r | |
922 | } else if (S18A && (Capability->Ddr50 != 0)) {\r | |
923 | ClockFreq = 50;\r | |
924 | AccessMode = 4;\r | |
925 | } else {\r | |
926 | ClockFreq = 50;\r | |
927 | AccessMode = 1;\r | |
928 | }\r | |
929 | \r | |
930 | DEBUG ((EFI_D_INFO, "SdCardSetBusMode: AccessMode %d ClockFreq %d BusWidth %d\n", AccessMode, ClockFreq, BusWidth));\r | |
931 | \r | |
932 | Status = SdCardSwitch (PassThru, Slot, AccessMode, 0, 0, 0, TRUE);\r | |
933 | if (EFI_ERROR (Status)) {\r | |
934 | return Status;\r | |
935 | }\r | |
936 | \r | |
937 | //\r | |
938 | // Set to Hight Speed timing\r | |
939 | //\r | |
940 | if (AccessMode == 1) {\r | |
941 | HostCtrl1 = BIT2;\r | |
942 | Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL1, sizeof (HostCtrl1), &HostCtrl1);\r | |
943 | if (EFI_ERROR (Status)) {\r | |
944 | return Status;\r | |
945 | }\r | |
946 | }\r | |
947 | \r | |
948 | HostCtrl2 = (UINT8)~0x7;\r | |
949 | Status = SdMmcHcAndMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);\r | |
950 | if (EFI_ERROR (Status)) {\r | |
951 | return Status;\r | |
952 | }\r | |
953 | HostCtrl2 = AccessMode;\r | |
954 | Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);\r | |
955 | if (EFI_ERROR (Status)) {\r | |
956 | return Status;\r | |
957 | }\r | |
958 | \r | |
959 | Status = SdMmcHcClockSupply (PciIo, Slot, ClockFreq * 1000, *Capability);\r | |
960 | if (EFI_ERROR (Status)) {\r | |
961 | return Status;\r | |
962 | }\r | |
963 | \r | |
964 | if ((AccessMode == 3) || ((AccessMode == 2) && (Capability->TuningSDR50 != 0))) {\r | |
965 | Status = SdCardTuningClock (PciIo, PassThru, Slot);\r | |
966 | if (EFI_ERROR (Status)) {\r | |
967 | return Status;\r | |
968 | }\r | |
969 | }\r | |
970 | \r | |
971 | return Status;\r | |
972 | }\r | |
973 | \r | |
974 | /**\r | |
975 | Execute SD device identification procedure.\r | |
976 | \r | |
977 | Refer to SD Physical Layer Simplified Spec 4.1 Section 3.6 for details.\r | |
978 | \r | |
979 | @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.\r | |
980 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
981 | \r | |
982 | @retval EFI_SUCCESS There is a SD card.\r | |
983 | @retval Others There is not a SD card.\r | |
984 | \r | |
985 | **/\r | |
986 | EFI_STATUS\r | |
987 | SdCardIdentification (\r | |
988 | IN SD_MMC_HC_PRIVATE_DATA *Private,\r | |
989 | IN UINT8 Slot\r | |
990 | )\r | |
991 | {\r | |
992 | EFI_STATUS Status;\r | |
993 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
994 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
995 | UINT32 Ocr;\r | |
996 | UINT16 Rca;\r | |
997 | BOOLEAN Xpc;\r | |
998 | BOOLEAN S18r;\r | |
999 | UINT64 MaxCurrent;\r | |
1000 | UINT16 ControllerVer;\r | |
1001 | UINT8 PowerCtrl;\r | |
1002 | UINT32 PresentState;\r | |
1003 | UINT8 HostCtrl2;\r | |
1004 | \r | |
1005 | PciIo = Private->PciIo;\r | |
1006 | PassThru = &Private->PassThru;\r | |
1007 | //\r | |
1008 | // 1. Send Cmd0 to the device\r | |
1009 | //\r | |
1010 | Status = SdCardReset (PassThru, Slot);\r | |
1011 | if (EFI_ERROR (Status)) {\r | |
1012 | DEBUG ((EFI_D_INFO, "SdCardIdentification: Executing Cmd0 fails with %r\n", Status));\r | |
1013 | return Status;\r | |
1014 | }\r | |
1015 | //\r | |
1016 | // 2. Send Cmd8 to the device\r | |
1017 | //\r | |
1018 | Status = SdCardVoltageCheck (PassThru, Slot, 0x1, 0xFF);\r | |
1019 | if (EFI_ERROR (Status)) {\r | |
1020 | DEBUG ((EFI_D_INFO, "SdCardIdentification: Executing Cmd8 fails with %r\n", Status));\r | |
1021 | return Status;\r | |
1022 | }\r | |
1023 | //\r | |
1024 | // 3. Send SDIO Cmd5 to the device to the SDIO device OCR register.\r | |
1025 | //\r | |
1026 | Status = SdioSendOpCond (PassThru, Slot, 0, FALSE);\r | |
1027 | if (!EFI_ERROR (Status)) {\r | |
1028 | DEBUG ((EFI_D_INFO, "SdCardIdentification: Found SDIO device, ignore it as we don't support\n"));\r | |
1029 | return EFI_DEVICE_ERROR;\r | |
1030 | }\r | |
1031 | //\r | |
1032 | // 4. Send Acmd41 with voltage window 0 to the device\r | |
1033 | //\r | |
1034 | Status = SdCardSendOpCond (PassThru, Slot, 0, 0, FALSE, FALSE, FALSE, &Ocr);\r | |
1035 | if (EFI_ERROR (Status)) {\r | |
1036 | DEBUG ((EFI_D_INFO, "SdCardIdentification: Executing SdCardSendOpCond fails with %r\n", Status));\r | |
1037 | return EFI_DEVICE_ERROR;\r | |
1038 | }\r | |
1039 | \r | |
1040 | if (Private->Capability[Slot].Voltage33 != 0) {\r | |
1041 | //\r | |
1042 | // Support 3.3V\r | |
1043 | //\r | |
1044 | MaxCurrent = ((UINT32)Private->MaxCurrent[Slot] & 0xFF) * 4;\r | |
1045 | } else if (Private->Capability[Slot].Voltage30 != 0) {\r | |
1046 | //\r | |
1047 | // Support 3.0V\r | |
1048 | //\r | |
1049 | MaxCurrent = (((UINT32)Private->MaxCurrent[Slot] >> 8) & 0xFF) * 4;\r | |
1050 | } else if (Private->Capability[Slot].Voltage18 != 0) {\r | |
1051 | //\r | |
1052 | // Support 1.8V\r | |
1053 | //\r | |
1054 | MaxCurrent = (((UINT32)Private->MaxCurrent[Slot] >> 16) & 0xFF) * 4;\r | |
1055 | } else {\r | |
1056 | ASSERT (FALSE);\r | |
1057 | return EFI_DEVICE_ERROR;\r | |
1058 | }\r | |
1059 | \r | |
1060 | if (MaxCurrent >= 150) {\r | |
1061 | Xpc = TRUE;\r | |
1062 | } else {\r | |
1063 | Xpc = FALSE;\r | |
1064 | }\r | |
1065 | \r | |
1066 | Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_CTRL_VER, TRUE, sizeof (ControllerVer), &ControllerVer);\r | |
1067 | if (EFI_ERROR (Status)) {\r | |
1068 | return Status;\r | |
1069 | }\r | |
1070 | \r | |
1071 | if ((ControllerVer & 0xFF) == 2) {\r | |
1072 | S18r = TRUE;\r | |
1073 | } else if (((ControllerVer & 0xFF) == 0) || ((ControllerVer & 0xFF) == 1)) {\r | |
1074 | S18r = FALSE;\r | |
1075 | } else {\r | |
1076 | ASSERT (FALSE);\r | |
1077 | return EFI_UNSUPPORTED;\r | |
1078 | }\r | |
1079 | //\r | |
1080 | // 5. Repeatly send Acmd41 with supply voltage window to the device.\r | |
1081 | // Note here we only support the cards complied with SD physical\r | |
1082 | // layer simplified spec version 2.0 and version 3.0 and above.\r | |
1083 | //\r | |
1084 | do {\r | |
1085 | Status = SdCardSendOpCond (PassThru, Slot, 0, Ocr, S18r, Xpc, TRUE, &Ocr);\r | |
1086 | if (EFI_ERROR (Status)) {\r | |
1087 | DEBUG ((EFI_D_ERROR, "SdCardIdentification: SdCardSendOpCond fails with %r Ocr %x, S18r %x, Xpc %x\n", Status, Ocr, S18r, Xpc));\r | |
1088 | return EFI_DEVICE_ERROR;\r | |
1089 | }\r | |
1090 | } while ((Ocr & BIT31) == 0);\r | |
1091 | \r | |
1092 | //\r | |
1093 | // 6. If the S18A bit is set and the Host Controller supports 1.8V signaling\r | |
1094 | // (One of support bits is set to 1: SDR50, SDR104 or DDR50 in the\r | |
1095 | // Capabilities register), switch its voltage to 1.8V.\r | |
1096 | //\r | |
1097 | if ((Private->Capability[Slot].Sdr50 != 0 ||\r | |
1098 | Private->Capability[Slot].Sdr104 != 0 ||\r | |
1099 | Private->Capability[Slot].Ddr50 != 0) &&\r | |
1100 | ((Ocr & BIT24) != 0)) {\r | |
1101 | Status = SdCardVoltageSwitch (PassThru, Slot);\r | |
1102 | if (EFI_ERROR (Status)) {\r | |
1103 | DEBUG ((EFI_D_ERROR, "SdCardIdentification: Executing SdCardVoltageSwitch fails with %r\n", Status));\r | |
1104 | Status = EFI_DEVICE_ERROR;\r | |
1105 | goto Error;\r | |
1106 | } else {\r | |
1107 | Status = SdMmcHcStopClock (PciIo, Slot);\r | |
1108 | if (EFI_ERROR (Status)) {\r | |
1109 | Status = EFI_DEVICE_ERROR;\r | |
1110 | goto Error;\r | |
1111 | }\r | |
1112 | \r | |
1113 | SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_PRESENT_STATE, TRUE, sizeof (PresentState), &PresentState);\r | |
1114 | if (((PresentState >> 20) & 0xF) != 0) {\r | |
1115 | DEBUG ((EFI_D_ERROR, "SdCardIdentification: SwitchVoltage fails with PresentState = 0x%x\n", PresentState));\r | |
1116 | Status = EFI_DEVICE_ERROR;\r | |
1117 | goto Error;\r | |
1118 | }\r | |
1119 | HostCtrl2 = BIT3;\r | |
1120 | SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);\r | |
1121 | \r | |
1122 | gBS->Stall (5000);\r | |
1123 | \r | |
1124 | SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, TRUE, sizeof (HostCtrl2), &HostCtrl2);\r | |
1125 | if ((HostCtrl2 & BIT3) == 0) {\r | |
1126 | DEBUG ((EFI_D_ERROR, "SdCardIdentification: SwitchVoltage fails with HostCtrl2 = 0x%x\n", HostCtrl2));\r | |
1127 | Status = EFI_DEVICE_ERROR;\r | |
1128 | goto Error;\r | |
1129 | }\r | |
1130 | \r | |
1131 | SdMmcHcInitClockFreq (PciIo, Slot, Private->Capability[Slot]);\r | |
1132 | \r | |
2a8b78cf | 1133 | gBS->Stall (1000);\r |
48555339 FT |
1134 | \r |
1135 | SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_PRESENT_STATE, TRUE, sizeof (PresentState), &PresentState);\r | |
1136 | if (((PresentState >> 20) & 0xF) != 0xF) {\r | |
1137 | DEBUG ((EFI_D_ERROR, "SdCardIdentification: SwitchVoltage fails with PresentState = 0x%x, It should be 0xF\n", PresentState));\r | |
1138 | Status = EFI_DEVICE_ERROR;\r | |
1139 | goto Error;\r | |
1140 | }\r | |
1141 | }\r | |
1142 | DEBUG ((EFI_D_INFO, "SdCardIdentification: Switch to 1.8v signal voltage success\n"));\r | |
1143 | }\r | |
1144 | \r | |
1145 | Status = SdCardAllSendCid (PassThru, Slot);\r | |
1146 | if (EFI_ERROR (Status)) {\r | |
1147 | DEBUG ((EFI_D_ERROR, "SdCardIdentification: Executing SdCardAllSendCid fails with %r\n", Status));\r | |
1148 | return Status;\r | |
1149 | }\r | |
1150 | \r | |
1151 | Status = SdCardSetRca (PassThru, Slot, &Rca);\r | |
1152 | if (EFI_ERROR (Status)) {\r | |
1153 | DEBUG ((EFI_D_ERROR, "SdCardIdentification: Executing SdCardSetRca fails with %r\n", Status));\r | |
1154 | return Status;\r | |
1155 | }\r | |
1156 | //\r | |
1157 | // Enter Data Tranfer Mode.\r | |
1158 | //\r | |
1159 | DEBUG ((EFI_D_INFO, "SdCardIdentification: Found a SD device at slot [%d]\n", Slot));\r | |
1160 | Private->Slot[Slot].CardType = SdCardType;\r | |
1161 | \r | |
1162 | Status = SdCardSetBusMode (PciIo, PassThru, Slot, Rca, ((Ocr & BIT24) != 0));\r | |
1163 | \r | |
1164 | return Status;\r | |
1165 | \r | |
1166 | Error:\r | |
1167 | //\r | |
1168 | // Set SD Bus Power = 0\r | |
1169 | //\r | |
1170 | PowerCtrl = (UINT8)~BIT0;\r | |
1171 | Status = SdMmcHcAndMmio (PciIo, Slot, SD_MMC_HC_POWER_CTRL, sizeof (PowerCtrl), &PowerCtrl);\r | |
1172 | return EFI_DEVICE_ERROR;\r | |
1173 | }\r | |
1174 | \r |