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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 | |
b5547b9c | 4 | Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.\r |
ac30e4c1 | 5 | Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>\r |
9d510e61 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
48555339 FT |
7 | \r |
8 | **/\r | |
9 | \r | |
10 | #include "SdMmcPciHcDxe.h"\r | |
11 | \r | |
12 | /**\r | |
13 | Send command GO_IDLE_STATE to the device to make it go to Idle State.\r | |
14 | \r | |
15 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
16 | \r | |
17 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
18 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
19 | \r | |
20 | @retval EFI_SUCCESS The SD device is reset correctly.\r | |
21 | @retval Others The device reset fails.\r | |
22 | \r | |
23 | **/\r | |
24 | EFI_STATUS\r | |
25 | SdCardReset (\r | |
26 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
27 | IN UINT8 Slot\r | |
28 | )\r | |
29 | {\r | |
30 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
31 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
32 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
33 | EFI_STATUS Status;\r | |
34 | \r | |
35 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
36 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
37 | ZeroMem (&Packet, sizeof (Packet));\r | |
38 | \r | |
39 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
40 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
41 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
42 | \r | |
43 | SdMmcCmdBlk.CommandIndex = SD_GO_IDLE_STATE;\r | |
44 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeBc;\r | |
45 | \r | |
46 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
47 | \r | |
48 | return Status;\r | |
49 | }\r | |
50 | \r | |
51 | /**\r | |
52 | Send command SEND_IF_COND to the device to inquiry the SD Memory Card interface\r | |
53 | condition.\r | |
54 | \r | |
55 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
56 | \r | |
57 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
58 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
59 | @param[in] SupplyVoltage The supplied voltage by the host.\r | |
60 | @param[in] CheckPattern The check pattern to be sent to the device.\r | |
61 | \r | |
62 | @retval EFI_SUCCESS The operation is done correctly.\r | |
63 | @retval Others The operation fails.\r | |
64 | \r | |
65 | **/\r | |
66 | EFI_STATUS\r | |
67 | SdCardVoltageCheck (\r | |
68 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
69 | IN UINT8 Slot,\r | |
70 | IN UINT8 SupplyVoltage,\r | |
71 | IN UINT8 CheckPattern\r | |
72 | )\r | |
73 | {\r | |
74 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
75 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
76 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
77 | EFI_STATUS Status;\r | |
78 | \r | |
79 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
80 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
81 | ZeroMem (&Packet, sizeof (Packet));\r | |
82 | \r | |
83 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
84 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
85 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
86 | \r | |
87 | SdMmcCmdBlk.CommandIndex = SD_SEND_IF_COND;\r | |
88 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;\r | |
89 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR7;\r | |
90 | SdMmcCmdBlk.CommandArgument = (SupplyVoltage << 8) | CheckPattern;\r | |
91 | \r | |
92 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
93 | \r | |
94 | if (!EFI_ERROR (Status)) {\r | |
95 | if (SdMmcStatusBlk.Resp0 != SdMmcCmdBlk.CommandArgument) {\r | |
96 | return EFI_DEVICE_ERROR;\r | |
97 | }\r | |
98 | }\r | |
99 | \r | |
100 | return Status;\r | |
101 | }\r | |
102 | \r | |
103 | /**\r | |
104 | Send command SDIO_SEND_OP_COND to the device to see whether it is SDIO device.\r | |
105 | \r | |
106 | Refer to SDIO Simplified Spec 3 Section 3.2 for details.\r | |
107 | \r | |
108 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
109 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
110 | @param[in] VoltageWindow The supply voltage window.\r | |
111 | @param[in] S18R The boolean to show if it should switch to 1.8v.\r | |
112 | \r | |
113 | @retval EFI_SUCCESS The operation is done correctly.\r | |
114 | @retval Others The operation fails.\r | |
115 | \r | |
116 | **/\r | |
117 | EFI_STATUS\r | |
118 | SdioSendOpCond (\r | |
119 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
120 | IN UINT8 Slot,\r | |
121 | IN UINT32 VoltageWindow,\r | |
122 | IN BOOLEAN S18R\r | |
123 | )\r | |
124 | {\r | |
125 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
126 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
127 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
128 | EFI_STATUS Status;\r | |
129 | UINT32 Switch;\r | |
130 | \r | |
131 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
132 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
133 | ZeroMem (&Packet, sizeof (Packet));\r | |
134 | \r | |
135 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
136 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
137 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
138 | \r | |
139 | SdMmcCmdBlk.CommandIndex = SDIO_SEND_OP_COND;\r | |
140 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;\r | |
141 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR4;\r | |
142 | \r | |
143 | Switch = S18R ? BIT24 : 0;\r | |
144 | \r | |
145 | SdMmcCmdBlk.CommandArgument = (VoltageWindow & 0xFFFFFF) | Switch;\r | |
146 | \r | |
147 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
148 | \r | |
149 | return Status;\r | |
150 | }\r | |
151 | \r | |
152 | /**\r | |
153 | Send command SD_SEND_OP_COND to the device to see whether it is SDIO device.\r | |
154 | \r | |
155 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
156 | \r | |
157 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
158 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
159 | @param[in] Rca The relative device address of addressed device.\r | |
160 | @param[in] VoltageWindow The supply voltage window.\r | |
161 | @param[in] S18R The boolean to show if it should switch to 1.8v.\r | |
162 | @param[in] Xpc The boolean to show if it should provide 0.36w power control.\r | |
163 | @param[in] Hcs The boolean to show if it support host capacity info.\r | |
164 | @param[out] Ocr The buffer to store returned OCR register value.\r | |
165 | \r | |
166 | @retval EFI_SUCCESS The operation is done correctly.\r | |
167 | @retval Others The operation fails.\r | |
168 | \r | |
169 | **/\r | |
170 | EFI_STATUS\r | |
171 | SdCardSendOpCond (\r | |
172 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
173 | IN UINT8 Slot,\r | |
174 | IN UINT16 Rca,\r | |
175 | IN UINT32 VoltageWindow,\r | |
176 | IN BOOLEAN S18R,\r | |
177 | IN BOOLEAN Xpc,\r | |
178 | IN BOOLEAN Hcs,\r | |
179 | OUT UINT32 *Ocr\r | |
180 | )\r | |
181 | {\r | |
182 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
183 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
184 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
185 | EFI_STATUS Status;\r | |
186 | UINT32 Switch;\r | |
187 | UINT32 MaxPower;\r | |
188 | UINT32 HostCapacity;\r | |
189 | \r | |
190 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
191 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
192 | ZeroMem (&Packet, sizeof (Packet));\r | |
193 | \r | |
194 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
195 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
196 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
197 | \r | |
198 | SdMmcCmdBlk.CommandIndex = SD_APP_CMD;\r | |
199 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
200 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
201 | SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;\r | |
202 | \r | |
203 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
204 | if (EFI_ERROR (Status)) {\r | |
205 | return Status;\r | |
206 | }\r | |
207 | \r | |
208 | SdMmcCmdBlk.CommandIndex = SD_SEND_OP_COND;\r | |
209 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;\r | |
210 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR3;\r | |
211 | \r | |
212 | Switch = S18R ? BIT24 : 0;\r | |
213 | MaxPower = Xpc ? BIT28 : 0;\r | |
214 | HostCapacity = Hcs ? BIT30 : 0;\r | |
215 | \r | |
216 | SdMmcCmdBlk.CommandArgument = (VoltageWindow & 0xFFFFFF) | Switch | MaxPower | HostCapacity;\r | |
217 | \r | |
218 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
219 | if (!EFI_ERROR (Status)) {\r | |
220 | //\r | |
221 | // For details, refer to SD Host Controller Simplified Spec 3.0 Table 2-12.\r | |
222 | //\r | |
223 | *Ocr = SdMmcStatusBlk.Resp0;\r | |
224 | }\r | |
225 | \r | |
226 | return Status;\r | |
227 | }\r | |
228 | \r | |
229 | /**\r | |
230 | Broadcast command ALL_SEND_CID to the bus to ask all the SD devices to send the\r | |
231 | data of their CID registers.\r | |
232 | \r | |
233 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
234 | \r | |
235 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
236 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
237 | \r | |
238 | @retval EFI_SUCCESS The operation is done correctly.\r | |
239 | @retval Others The operation fails.\r | |
240 | \r | |
241 | **/\r | |
242 | EFI_STATUS\r | |
243 | SdCardAllSendCid (\r | |
244 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
245 | IN UINT8 Slot\r | |
246 | )\r | |
247 | {\r | |
248 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
249 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
250 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
251 | EFI_STATUS Status;\r | |
252 | \r | |
253 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
254 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
255 | ZeroMem (&Packet, sizeof (Packet));\r | |
256 | \r | |
257 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
258 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
259 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
260 | \r | |
261 | SdMmcCmdBlk.CommandIndex = SD_ALL_SEND_CID;\r | |
262 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;\r | |
263 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR2;\r | |
264 | \r | |
265 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
266 | \r | |
267 | return Status;\r | |
268 | }\r | |
269 | \r | |
270 | /**\r | |
271 | Send command SET_RELATIVE_ADDR to the SD device to assign a Relative device\r | |
272 | Address (RCA).\r | |
273 | \r | |
274 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
275 | \r | |
276 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
277 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
278 | @param[out] Rca The relative device address to assign.\r | |
279 | \r | |
280 | @retval EFI_SUCCESS The operation is done correctly.\r | |
281 | @retval Others The operation fails.\r | |
282 | \r | |
283 | **/\r | |
284 | EFI_STATUS\r | |
285 | SdCardSetRca (\r | |
286 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
287 | IN UINT8 Slot,\r | |
288 | OUT UINT16 *Rca\r | |
289 | )\r | |
290 | {\r | |
291 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
292 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
293 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
294 | EFI_STATUS Status;\r | |
295 | \r | |
296 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
297 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
298 | ZeroMem (&Packet, sizeof (Packet));\r | |
299 | \r | |
300 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
301 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
302 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
303 | \r | |
304 | SdMmcCmdBlk.CommandIndex = SD_SET_RELATIVE_ADDR;\r | |
305 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;\r | |
306 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR6;\r | |
307 | \r | |
308 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
309 | if (!EFI_ERROR (Status)) {\r | |
310 | *Rca = (UINT16)(SdMmcStatusBlk.Resp0 >> 16);\r | |
311 | }\r | |
312 | \r | |
313 | return Status;\r | |
314 | }\r | |
315 | \r | |
48555339 FT |
316 | /**\r |
317 | Send command SELECT_DESELECT_CARD to the SD device to select/deselect it.\r | |
318 | \r | |
319 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
320 | \r | |
321 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
322 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
323 | @param[in] Rca The relative device address of selected device.\r | |
324 | \r | |
325 | @retval EFI_SUCCESS The operation is done correctly.\r | |
326 | @retval Others The operation fails.\r | |
327 | \r | |
328 | **/\r | |
329 | EFI_STATUS\r | |
330 | SdCardSelect (\r | |
331 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
332 | IN UINT8 Slot,\r | |
333 | IN UINT16 Rca\r | |
334 | )\r | |
335 | {\r | |
336 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
337 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
338 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
339 | EFI_STATUS Status;\r | |
340 | \r | |
341 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
342 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
343 | ZeroMem (&Packet, sizeof (Packet));\r | |
344 | \r | |
345 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
346 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
347 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
348 | \r | |
349 | SdMmcCmdBlk.CommandIndex = SD_SELECT_DESELECT_CARD;\r | |
350 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
ac30e4c1 FT |
351 | if (Rca != 0) {\r |
352 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1b;\r | |
353 | }\r | |
48555339 FT |
354 | SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;\r |
355 | \r | |
356 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
357 | \r | |
358 | return Status;\r | |
359 | }\r | |
360 | \r | |
361 | /**\r | |
362 | Send command VOLTAGE_SWITCH to the SD device to switch the voltage of the device.\r | |
363 | \r | |
364 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
365 | \r | |
366 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
367 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
368 | \r | |
369 | @retval EFI_SUCCESS The operation is done correctly.\r | |
370 | @retval Others The operation fails.\r | |
371 | \r | |
372 | **/\r | |
373 | EFI_STATUS\r | |
374 | SdCardVoltageSwitch (\r | |
375 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
376 | IN UINT8 Slot\r | |
377 | )\r | |
378 | {\r | |
379 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
380 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
381 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
382 | EFI_STATUS Status;\r | |
383 | \r | |
384 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
385 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
386 | ZeroMem (&Packet, sizeof (Packet));\r | |
387 | \r | |
388 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
389 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
390 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
391 | \r | |
392 | SdMmcCmdBlk.CommandIndex = SD_VOLTAGE_SWITCH;\r | |
393 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
394 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
395 | SdMmcCmdBlk.CommandArgument = 0;\r | |
396 | \r | |
397 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
398 | \r | |
399 | return Status;\r | |
400 | }\r | |
401 | \r | |
402 | /**\r | |
403 | Send command SET_BUS_WIDTH to the SD device to set the bus width.\r | |
404 | \r | |
405 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
406 | \r | |
407 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
408 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
409 | @param[in] Rca The relative device address of addressed device.\r | |
410 | @param[in] BusWidth The bus width to be set, it could be 1 or 4.\r | |
411 | \r | |
412 | @retval EFI_SUCCESS The operation is done correctly.\r | |
413 | @retval Others The operation fails.\r | |
414 | \r | |
415 | **/\r | |
416 | EFI_STATUS\r | |
417 | SdCardSetBusWidth (\r | |
418 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
419 | IN UINT8 Slot,\r | |
420 | IN UINT16 Rca,\r | |
421 | IN UINT8 BusWidth\r | |
422 | )\r | |
423 | {\r | |
424 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
425 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
426 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
427 | EFI_STATUS Status;\r | |
428 | UINT8 Value;\r | |
429 | \r | |
430 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
431 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
432 | ZeroMem (&Packet, sizeof (Packet));\r | |
433 | \r | |
434 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
435 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
436 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
437 | \r | |
438 | SdMmcCmdBlk.CommandIndex = SD_APP_CMD;\r | |
439 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
440 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
441 | SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;\r | |
442 | \r | |
443 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
444 | if (EFI_ERROR (Status)) {\r | |
445 | return Status;\r | |
446 | }\r | |
447 | \r | |
448 | SdMmcCmdBlk.CommandIndex = SD_SET_BUS_WIDTH;\r | |
449 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
450 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
451 | \r | |
452 | if (BusWidth == 1) {\r | |
453 | Value = 0;\r | |
454 | } else if (BusWidth == 4) {\r | |
455 | Value = 2;\r | |
456 | } else {\r | |
457 | return EFI_INVALID_PARAMETER;\r | |
458 | }\r | |
459 | \r | |
460 | SdMmcCmdBlk.CommandArgument = Value & 0x3;\r | |
461 | \r | |
462 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
463 | return Status;\r | |
464 | }\r | |
465 | \r | |
466 | /**\r | |
467 | Send command SWITCH_FUNC to the SD device to check switchable function or switch card function.\r | |
468 | \r | |
469 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
470 | \r | |
adec1f5d AM |
471 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r |
472 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
473 | @param[in] BusTiming Target bus timing based on which access group value will be set.\r | |
474 | @param[in] CommandSystem The value for command set group.\r | |
475 | @param[in] DriverStrength The value for driver strength group.\r | |
476 | @param[in] PowerLimit The value for power limit group.\r | |
477 | @param[in] Mode Switch or check function.\r | |
478 | @param[out] SwitchResp The return switch function status.\r | |
48555339 FT |
479 | \r |
480 | @retval EFI_SUCCESS The operation is done correctly.\r | |
481 | @retval Others The operation fails.\r | |
482 | \r | |
483 | **/\r | |
484 | EFI_STATUS\r | |
485 | SdCardSwitch (\r | |
6263ae93 FT |
486 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r |
487 | IN UINT8 Slot,\r | |
adec1f5d | 488 | IN SD_MMC_BUS_MODE BusTiming,\r |
6263ae93 | 489 | IN UINT8 CommandSystem,\r |
adec1f5d | 490 | IN SD_DRIVER_STRENGTH_TYPE DriverStrength,\r |
6263ae93 FT |
491 | IN UINT8 PowerLimit,\r |
492 | IN BOOLEAN Mode,\r | |
493 | OUT UINT8 *SwitchResp\r | |
48555339 FT |
494 | )\r |
495 | {\r | |
496 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
497 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
498 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
499 | EFI_STATUS Status;\r | |
500 | UINT32 ModeValue;\r | |
adec1f5d | 501 | UINT8 AccessMode;\r |
48555339 FT |
502 | \r |
503 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
504 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
505 | ZeroMem (&Packet, sizeof (Packet));\r | |
506 | \r | |
507 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
508 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
509 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
510 | \r | |
511 | SdMmcCmdBlk.CommandIndex = SD_SWITCH_FUNC;\r | |
512 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;\r | |
513 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
514 | \r | |
515 | ModeValue = Mode ? BIT31 : 0;\r | |
adec1f5d AM |
516 | \r |
517 | switch (BusTiming) {\r | |
518 | case SdMmcUhsDdr50:\r | |
519 | AccessMode = 0x4;\r | |
520 | break;\r | |
521 | case SdMmcUhsSdr104:\r | |
522 | AccessMode = 0x3;\r | |
523 | break;\r | |
524 | case SdMmcUhsSdr50:\r | |
525 | AccessMode = 0x2;\r | |
526 | break;\r | |
527 | case SdMmcUhsSdr25:\r | |
528 | case SdMmcSdHs:\r | |
529 | AccessMode = 0x1;\r | |
530 | break;\r | |
531 | case SdMmcUhsSdr12:\r | |
532 | case SdMmcSdDs:\r | |
533 | AccessMode = 0;\r | |
534 | break;\r | |
535 | default:\r | |
536 | AccessMode = 0xF;\r | |
537 | }\r | |
538 | \r | |
539 | SdMmcCmdBlk.CommandArgument = (AccessMode & 0xF) | ((CommandSystem & 0xF) << 4) | \\r | |
540 | ((DriverStrength & 0xF) << 8) | ((PowerLimit & 0xF) << 12) | \\r | |
48555339 FT |
541 | ModeValue;\r |
542 | \r | |
6263ae93 FT |
543 | Packet.InDataBuffer = SwitchResp;\r |
544 | Packet.InTransferLength = 64;\r | |
48555339 FT |
545 | \r |
546 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
adec1f5d AM |
547 | if (EFI_ERROR (Status)) {\r |
548 | return Status;\r | |
549 | }\r | |
550 | \r | |
551 | if (Mode) {\r | |
552 | if ((((AccessMode & 0xF) != 0xF) && ((SwitchResp[16] & 0xF) != AccessMode)) ||\r | |
553 | (((CommandSystem & 0xF) != 0xF) && (((SwitchResp[16] >> 4) & 0xF) != CommandSystem)) ||\r | |
554 | (((DriverStrength & 0xF) != 0xF) && ((SwitchResp[15] & 0xF) != DriverStrength)) ||\r | |
555 | (((PowerLimit & 0xF) != 0xF) && (((SwitchResp[15] >> 4) & 0xF) != PowerLimit))) {\r | |
556 | return EFI_DEVICE_ERROR;\r | |
557 | }\r | |
558 | }\r | |
48555339 FT |
559 | \r |
560 | return Status;\r | |
561 | }\r | |
562 | \r | |
563 | /**\r | |
564 | Send command SEND_STATUS to the addressed SD device to get its status register.\r | |
565 | \r | |
566 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
567 | \r | |
568 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
569 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
570 | @param[in] Rca The relative device address of addressed device.\r | |
571 | @param[out] DevStatus The returned device status.\r | |
572 | \r | |
573 | @retval EFI_SUCCESS The operation is done correctly.\r | |
574 | @retval Others The operation fails.\r | |
575 | \r | |
576 | **/\r | |
577 | EFI_STATUS\r | |
578 | SdCardSendStatus (\r | |
579 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
580 | IN UINT8 Slot,\r | |
581 | IN UINT16 Rca,\r | |
582 | OUT UINT32 *DevStatus\r | |
583 | )\r | |
584 | {\r | |
585 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
586 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
587 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
588 | EFI_STATUS Status;\r | |
589 | \r | |
590 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
591 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
592 | ZeroMem (&Packet, sizeof (Packet));\r | |
593 | \r | |
594 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
595 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
596 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
597 | \r | |
598 | SdMmcCmdBlk.CommandIndex = SD_SEND_STATUS;\r | |
599 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
600 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
601 | SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;\r | |
602 | \r | |
603 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
604 | if (!EFI_ERROR (Status)) {\r | |
605 | *DevStatus = SdMmcStatusBlk.Resp0;\r | |
606 | }\r | |
607 | \r | |
608 | return Status;\r | |
609 | }\r | |
610 | \r | |
611 | /**\r | |
612 | Send command SEND_TUNING_BLOCK to the SD device for HS200 optimal sampling point\r | |
613 | detection.\r | |
614 | \r | |
615 | It may be sent up to 40 times until the host finishes the tuning procedure.\r | |
616 | \r | |
617 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r | |
618 | \r | |
619 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
620 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
621 | \r | |
622 | @retval EFI_SUCCESS The operation is done correctly.\r | |
623 | @retval Others The operation fails.\r | |
624 | \r | |
625 | **/\r | |
626 | EFI_STATUS\r | |
627 | SdCardSendTuningBlk (\r | |
628 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
629 | IN UINT8 Slot\r | |
630 | )\r | |
631 | {\r | |
632 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
633 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
634 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
635 | EFI_STATUS Status;\r | |
636 | UINT8 TuningBlock[64];\r | |
637 | \r | |
638 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
639 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
640 | ZeroMem (&Packet, sizeof (Packet));\r | |
641 | \r | |
642 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
643 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
644 | Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;\r | |
645 | \r | |
646 | SdMmcCmdBlk.CommandIndex = SD_SEND_TUNING_BLOCK;\r | |
647 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;\r | |
648 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
649 | SdMmcCmdBlk.CommandArgument = 0;\r | |
650 | \r | |
651 | Packet.InDataBuffer = TuningBlock;\r | |
652 | Packet.InTransferLength = sizeof (TuningBlock);\r | |
653 | \r | |
654 | Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r | |
655 | \r | |
656 | return Status;\r | |
657 | }\r | |
658 | \r | |
659 | /**\r | |
660 | Tunning the sampling point of SDR104 or SDR50 bus speed mode.\r | |
661 | \r | |
662 | Command SD_SEND_TUNING_BLOCK may be sent up to 40 times until the host finishes the\r | |
663 | tuning procedure.\r | |
664 | \r | |
665 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 and\r | |
666 | SD Host Controller Simplified Spec 3.0 section Figure 3-7 for details.\r | |
667 | \r | |
668 | @param[in] PciIo A pointer to the EFI_PCI_IO_PROTOCOL instance.\r | |
669 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
670 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
671 | \r | |
672 | @retval EFI_SUCCESS The operation is done correctly.\r | |
673 | @retval Others The operation fails.\r | |
674 | \r | |
675 | **/\r | |
676 | EFI_STATUS\r | |
677 | SdCardTuningClock (\r | |
678 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
679 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
680 | IN UINT8 Slot\r | |
681 | )\r | |
682 | {\r | |
683 | EFI_STATUS Status;\r | |
684 | UINT8 HostCtrl2;\r | |
685 | UINT8 Retry;\r | |
686 | \r | |
687 | //\r | |
688 | // Notify the host that the sampling clock tuning procedure starts.\r | |
689 | //\r | |
690 | HostCtrl2 = BIT6;\r | |
691 | Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);\r | |
692 | if (EFI_ERROR (Status)) {\r | |
693 | return Status;\r | |
694 | }\r | |
695 | //\r | |
696 | // Ask the device to send a sequence of tuning blocks till the tuning procedure is done.\r | |
697 | //\r | |
698 | Retry = 0;\r | |
699 | do {\r | |
700 | Status = SdCardSendTuningBlk (PassThru, Slot);\r | |
701 | if (EFI_ERROR (Status)) {\r | |
e27ccaba | 702 | DEBUG ((DEBUG_ERROR, "SdCardSendTuningBlk: Send tuning block fails with %r\n", Status));\r |
48555339 FT |
703 | return Status;\r |
704 | }\r | |
705 | \r | |
706 | Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, TRUE, sizeof (HostCtrl2), &HostCtrl2);\r | |
707 | if (EFI_ERROR (Status)) {\r | |
708 | return Status;\r | |
709 | }\r | |
710 | \r | |
8c983d3e | 711 | if ((HostCtrl2 & (BIT6 | BIT7)) == 0) {\r |
48555339 FT |
712 | break;\r |
713 | }\r | |
8c983d3e FT |
714 | if ((HostCtrl2 & (BIT6 | BIT7)) == BIT7) {\r |
715 | return EFI_SUCCESS;\r | |
716 | }\r | |
48555339 FT |
717 | } while (++Retry < 40);\r |
718 | \r | |
e27ccaba | 719 | DEBUG ((DEBUG_ERROR, "SdCardTuningClock: Send tuning block fails at %d times with HostCtrl2 %02x\n", Retry, HostCtrl2));\r |
8c983d3e FT |
720 | //\r |
721 | // Abort the tuning procedure and reset the tuning circuit.\r | |
722 | //\r | |
723 | HostCtrl2 = (UINT8)~(BIT6 | BIT7);\r | |
724 | Status = SdMmcHcAndMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);\r | |
725 | if (EFI_ERROR (Status)) {\r | |
726 | return Status;\r | |
48555339 | 727 | }\r |
8c983d3e | 728 | return EFI_DEVICE_ERROR;\r |
48555339 FT |
729 | }\r |
730 | \r | |
731 | /**\r | |
732 | Switch the bus width to specified width.\r | |
733 | \r | |
734 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 and\r | |
735 | SD Host Controller Simplified Spec 3.0 section Figure 3-7 for details.\r | |
736 | \r | |
737 | @param[in] PciIo A pointer to the EFI_PCI_IO_PROTOCOL instance.\r | |
738 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
739 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
740 | @param[in] Rca The relative device address to be assigned.\r | |
741 | @param[in] BusWidth The bus width to be set, it could be 4 or 8.\r | |
742 | \r | |
743 | @retval EFI_SUCCESS The operation is done correctly.\r | |
744 | @retval Others The operation fails.\r | |
745 | \r | |
746 | **/\r | |
747 | EFI_STATUS\r | |
748 | SdCardSwitchBusWidth (\r | |
749 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
750 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
751 | IN UINT8 Slot,\r | |
752 | IN UINT16 Rca,\r | |
753 | IN UINT8 BusWidth\r | |
754 | )\r | |
755 | {\r | |
756 | EFI_STATUS Status;\r | |
757 | UINT32 DevStatus;\r | |
758 | \r | |
759 | Status = SdCardSetBusWidth (PassThru, Slot, Rca, BusWidth);\r | |
760 | if (EFI_ERROR (Status)) {\r | |
e27ccaba | 761 | DEBUG ((DEBUG_ERROR, "SdCardSwitchBusWidth: Switch to bus width %d fails with %r\n", BusWidth, Status));\r |
48555339 FT |
762 | return Status;\r |
763 | }\r | |
764 | \r | |
765 | Status = SdCardSendStatus (PassThru, Slot, Rca, &DevStatus);\r | |
766 | if (EFI_ERROR (Status)) {\r | |
e27ccaba | 767 | DEBUG ((DEBUG_ERROR, "SdCardSwitchBusWidth: Send status fails with %r\n", Status));\r |
48555339 FT |
768 | return Status;\r |
769 | }\r | |
770 | //\r | |
771 | // Check the switch operation is really successful or not.\r | |
772 | //\r | |
773 | if ((DevStatus >> 16) != 0) {\r | |
e27ccaba | 774 | DEBUG ((DEBUG_ERROR, "SdCardSwitchBusWidth: The switch operation fails as DevStatus is 0x%08x\n", DevStatus));\r |
48555339 FT |
775 | return EFI_DEVICE_ERROR;\r |
776 | }\r | |
777 | \r | |
778 | Status = SdMmcHcSetBusWidth (PciIo, Slot, BusWidth);\r | |
779 | \r | |
780 | return Status;\r | |
781 | }\r | |
782 | \r | |
adec1f5d AM |
783 | /**\r |
784 | Check if passed BusTiming is supported in both controller and card.\r | |
785 | \r | |
786 | @param[in] Private Pointer to controller private data\r | |
787 | @param[in] SlotIndex Index of the slot in the controller\r | |
788 | @param[in] CardSupportedBusTimings Bitmask indicating which bus timings are supported by card\r | |
789 | @param[in] IsInUhsI Flag indicating if link is in UHS-I\r | |
790 | \r | |
791 | @retval TRUE Both card and controller support given BusTiming\r | |
792 | @retval FALSE Card or controller doesn't support given BusTiming\r | |
793 | **/\r | |
794 | BOOLEAN\r | |
795 | SdIsBusTimingSupported (\r | |
796 | IN SD_MMC_HC_PRIVATE_DATA *Private,\r | |
797 | IN UINT8 SlotIndex,\r | |
798 | IN UINT8 CardSupportedBusTimings,\r | |
799 | IN BOOLEAN IsInUhsI,\r | |
800 | IN SD_MMC_BUS_MODE BusTiming\r | |
801 | )\r | |
802 | {\r | |
803 | SD_MMC_HC_SLOT_CAP *Capability;\r | |
804 | \r | |
805 | Capability = &Private->Capability[SlotIndex];\r | |
806 | \r | |
807 | if (IsInUhsI) {\r | |
808 | switch (BusTiming) {\r | |
809 | case SdMmcUhsSdr104:\r | |
810 | if ((Capability->Sdr104 != 0) && ((CardSupportedBusTimings & BIT3) != 0)) {\r | |
811 | return TRUE;\r | |
812 | }\r | |
813 | break;\r | |
814 | case SdMmcUhsDdr50:\r | |
815 | if ((Capability->Ddr50 != 0) && ((CardSupportedBusTimings & BIT4) != 0)) {\r | |
816 | return TRUE;\r | |
817 | }\r | |
818 | break;\r | |
819 | case SdMmcUhsSdr50:\r | |
820 | if ((Capability->Sdr50 != 0) && ((CardSupportedBusTimings & BIT2) != 0)) {\r | |
821 | return TRUE;\r | |
822 | }\r | |
823 | break;\r | |
824 | case SdMmcUhsSdr25:\r | |
825 | if ((CardSupportedBusTimings & BIT1) != 0) {\r | |
826 | return TRUE;\r | |
827 | }\r | |
828 | break;\r | |
829 | case SdMmcUhsSdr12:\r | |
830 | if ((CardSupportedBusTimings & BIT0) != 0) {\r | |
831 | return TRUE;\r | |
832 | }\r | |
833 | break;\r | |
834 | default:\r | |
835 | break;\r | |
836 | }\r | |
837 | } else {\r | |
838 | switch (BusTiming) {\r | |
839 | case SdMmcSdHs:\r | |
840 | if ((Capability->HighSpeed != 0) && (CardSupportedBusTimings & BIT1) != 0) {\r | |
841 | return TRUE;\r | |
842 | }\r | |
843 | break;\r | |
844 | case SdMmcSdDs:\r | |
845 | if ((CardSupportedBusTimings & BIT0) != 0) {\r | |
846 | return TRUE;\r | |
847 | }\r | |
848 | break;\r | |
849 | default:\r | |
850 | break;\r | |
851 | }\r | |
852 | }\r | |
853 | \r | |
854 | return FALSE;\r | |
855 | }\r | |
856 | \r | |
857 | /**\r | |
858 | Get the target bus timing to set on the link. This function\r | |
859 | will try to select highest bus timing supported by card, controller\r | |
860 | and the driver.\r | |
861 | \r | |
862 | @param[in] Private Pointer to controller private data\r | |
863 | @param[in] SlotIndex Index of the slot in the controller\r | |
864 | @param[in] CardSupportedBusTimings Bitmask indicating which bus timings are supported by card\r | |
865 | @param[in] IsInUhsI Flag indicating if link is in UHS-I\r | |
866 | \r | |
867 | @return Bus timing value that should be set on link\r | |
868 | **/\r | |
869 | SD_MMC_BUS_MODE\r | |
870 | SdGetTargetBusTiming (\r | |
871 | IN SD_MMC_HC_PRIVATE_DATA *Private,\r | |
872 | IN UINT8 SlotIndex,\r | |
873 | IN UINT8 CardSupportedBusTimings,\r | |
874 | IN BOOLEAN IsInUhsI\r | |
875 | )\r | |
876 | {\r | |
877 | SD_MMC_BUS_MODE BusTiming;\r | |
878 | \r | |
879 | if (IsInUhsI) {\r | |
880 | BusTiming = SdMmcUhsSdr104;\r | |
881 | } else {\r | |
882 | BusTiming = SdMmcSdHs;\r | |
883 | }\r | |
884 | \r | |
885 | while (BusTiming > SdMmcSdDs) {\r | |
886 | if (SdIsBusTimingSupported (Private, SlotIndex, CardSupportedBusTimings, IsInUhsI, BusTiming)) {\r | |
887 | break;\r | |
888 | }\r | |
889 | BusTiming--;\r | |
890 | }\r | |
891 | \r | |
892 | return BusTiming;\r | |
893 | }\r | |
894 | \r | |
895 | /**\r | |
896 | Get the target bus width to be set on the bus.\r | |
897 | \r | |
898 | @param[in] Private Pointer to controller private data\r | |
899 | @param[in] SlotIndex Index of the slot in the controller\r | |
900 | @param[in] BusTiming Bus timing set on the bus\r | |
901 | \r | |
902 | @return Bus width to be set on the bus\r | |
903 | **/\r | |
904 | UINT8\r | |
905 | SdGetTargetBusWidth (\r | |
906 | IN SD_MMC_HC_PRIVATE_DATA *Private,\r | |
907 | IN UINT8 SlotIndex,\r | |
908 | IN SD_MMC_BUS_MODE BusTiming\r | |
909 | )\r | |
910 | {\r | |
911 | UINT8 BusWidth;\r | |
912 | UINT8 PreferredBusWidth;\r | |
913 | \r | |
914 | PreferredBusWidth = Private->Slot[SlotIndex].OperatingParameters.BusWidth;\r | |
915 | \r | |
916 | if (BusTiming == SdMmcSdDs || BusTiming == SdMmcSdHs) {\r | |
917 | if (PreferredBusWidth != EDKII_SD_MMC_BUS_WIDTH_IGNORE &&\r | |
918 | (PreferredBusWidth == 1 || PreferredBusWidth == 4)) {\r | |
919 | BusWidth = PreferredBusWidth;\r | |
920 | } else {\r | |
921 | BusWidth = 4;\r | |
922 | }\r | |
923 | } else {\r | |
924 | //\r | |
925 | // UHS-I modes support only 4-bit width.\r | |
926 | // Switch to 4-bit has been done before calling this function anyway so\r | |
927 | // this is purely informational.\r | |
928 | //\r | |
929 | BusWidth = 4;\r | |
930 | }\r | |
931 | \r | |
932 | return BusWidth;\r | |
933 | }\r | |
934 | \r | |
935 | /**\r | |
936 | Get the target clock frequency to be set on the bus.\r | |
937 | \r | |
938 | @param[in] Private Pointer to controller private data\r | |
939 | @param[in] SlotIndex Index of the slot in the controller\r | |
940 | @param[in] BusTiming Bus timing to be set on the bus\r | |
941 | \r | |
942 | @return Value of the clock frequency to be set on bus in MHz\r | |
943 | **/\r | |
944 | UINT32\r | |
945 | SdGetTargetBusClockFreq (\r | |
946 | IN SD_MMC_HC_PRIVATE_DATA *Private,\r | |
947 | IN UINT8 SlotIndex,\r | |
948 | IN SD_MMC_BUS_MODE BusTiming\r | |
949 | )\r | |
950 | {\r | |
951 | UINT32 PreferredClockFreq;\r | |
952 | UINT32 MaxClockFreq;\r | |
953 | \r | |
954 | PreferredClockFreq = Private->Slot[SlotIndex].OperatingParameters.ClockFreq;\r | |
955 | \r | |
956 | switch (BusTiming) {\r | |
957 | case SdMmcUhsSdr104:\r | |
958 | MaxClockFreq = 208;\r | |
959 | break;\r | |
960 | case SdMmcUhsSdr50:\r | |
961 | MaxClockFreq = 100;\r | |
962 | break;\r | |
963 | case SdMmcUhsDdr50:\r | |
964 | case SdMmcUhsSdr25:\r | |
965 | case SdMmcSdHs:\r | |
966 | MaxClockFreq = 50;\r | |
967 | break;\r | |
968 | case SdMmcUhsSdr12:\r | |
969 | case SdMmcSdDs:\r | |
970 | default:\r | |
971 | MaxClockFreq = 25;\r | |
972 | }\r | |
973 | \r | |
974 | if (PreferredClockFreq != EDKII_SD_MMC_CLOCK_FREQ_IGNORE && PreferredClockFreq < MaxClockFreq) {\r | |
975 | return PreferredClockFreq;\r | |
976 | } else {\r | |
977 | return MaxClockFreq;\r | |
978 | }\r | |
979 | }\r | |
980 | \r | |
981 | /**\r | |
982 | Get the driver strength to be set on bus.\r | |
983 | \r | |
984 | @param[in] Private Pointer to controller private data\r | |
985 | @param[in] SlotIndex Index of the slot in the controller\r | |
986 | @param[in] CardSupportedDriverStrengths Bitmask indicating which driver strengths are supported on the card\r | |
987 | @param[in] BusTiming Bus timing set on the bus\r | |
988 | \r | |
989 | @return Value of the driver strength to be set on the bus\r | |
990 | **/\r | |
991 | EDKII_SD_MMC_DRIVER_STRENGTH\r | |
992 | SdGetTargetDriverStrength (\r | |
993 | IN SD_MMC_HC_PRIVATE_DATA *Private,\r | |
994 | IN UINT8 SlotIndex,\r | |
995 | IN UINT8 CardSupportedDriverStrengths,\r | |
996 | IN SD_MMC_BUS_MODE BusTiming\r | |
997 | )\r | |
998 | {\r | |
999 | EDKII_SD_MMC_DRIVER_STRENGTH PreferredDriverStrength;\r | |
1000 | EDKII_SD_MMC_DRIVER_STRENGTH DriverStrength;\r | |
1001 | \r | |
1002 | if (BusTiming == SdMmcSdDs || BusTiming == SdMmcSdHs) {\r | |
1003 | DriverStrength.Sd = SdDriverStrengthIgnore;\r | |
1004 | return DriverStrength;\r | |
1005 | }\r | |
1006 | \r | |
1007 | PreferredDriverStrength = Private->Slot[SlotIndex].OperatingParameters.DriverStrength;\r | |
1008 | DriverStrength.Sd = SdDriverStrengthTypeB;\r | |
1009 | \r | |
1010 | if (PreferredDriverStrength.Sd != EDKII_SD_MMC_DRIVER_STRENGTH_IGNORE &&\r | |
1011 | (CardSupportedDriverStrengths & (BIT0 << PreferredDriverStrength.Sd))) {\r | |
1012 | \r | |
1013 | if ((PreferredDriverStrength.Sd == SdDriverStrengthTypeA &&\r | |
1014 | (Private->Capability[SlotIndex].DriverTypeA != 0)) ||\r | |
1015 | (PreferredDriverStrength.Sd == SdDriverStrengthTypeC &&\r | |
1016 | (Private->Capability[SlotIndex].DriverTypeC != 0)) ||\r | |
1017 | (PreferredDriverStrength.Sd == SdDriverStrengthTypeD &&\r | |
1018 | (Private->Capability[SlotIndex].DriverTypeD != 0))) {\r | |
1019 | DriverStrength.Sd = PreferredDriverStrength.Sd;\r | |
1020 | }\r | |
1021 | }\r | |
1022 | \r | |
1023 | return DriverStrength;\r | |
1024 | }\r | |
1025 | \r | |
1026 | /**\r | |
1027 | Get the target settings for the bus mode.\r | |
1028 | \r | |
1029 | @param[in] Private Pointer to controller private data\r | |
1030 | @param[in] SlotIndex Index of the slot in the controller\r | |
1031 | @param[in] SwitchQueryResp Pointer to switch query response\r | |
1032 | @param[in] IsInUhsI Flag indicating if link is in UHS-I mode\r | |
1033 | @param[out] BusMode Target configuration of the bus\r | |
1034 | **/\r | |
1035 | VOID\r | |
1036 | SdGetTargetBusMode (\r | |
1037 | IN SD_MMC_HC_PRIVATE_DATA *Private,\r | |
1038 | IN UINT8 SlotIndex,\r | |
1039 | IN UINT8 *SwitchQueryResp,\r | |
1040 | IN BOOLEAN IsInUhsI,\r | |
1041 | OUT SD_MMC_BUS_SETTINGS *BusMode\r | |
1042 | )\r | |
1043 | {\r | |
1044 | BusMode->BusTiming = SdGetTargetBusTiming (Private, SlotIndex, SwitchQueryResp[13], IsInUhsI);\r | |
1045 | BusMode->BusWidth = SdGetTargetBusWidth (Private, SlotIndex, BusMode->BusTiming);\r | |
1046 | BusMode->ClockFreq = SdGetTargetBusClockFreq (Private, SlotIndex, BusMode->BusTiming);\r | |
1047 | BusMode->DriverStrength = SdGetTargetDriverStrength (Private, SlotIndex, SwitchQueryResp[9], BusMode->BusTiming);\r | |
1048 | }\r | |
1049 | \r | |
48555339 FT |
1050 | /**\r |
1051 | Switch the high speed timing according to request.\r | |
1052 | \r | |
1053 | Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 and\r | |
1054 | SD Host Controller Simplified Spec 3.0 section Figure 2-29 for details.\r | |
1055 | \r | |
1056 | @param[in] PciIo A pointer to the EFI_PCI_IO_PROTOCOL instance.\r | |
1057 | @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r | |
1058 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
1059 | @param[in] Rca The relative device address to be assigned.\r | |
1060 | @param[in] S18A The boolean to show if it's a UHS-I SD card.\r | |
1061 | \r | |
1062 | @retval EFI_SUCCESS The operation is done correctly.\r | |
1063 | @retval Others The operation fails.\r | |
1064 | \r | |
1065 | **/\r | |
1066 | EFI_STATUS\r | |
1067 | SdCardSetBusMode (\r | |
1068 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
1069 | IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,\r | |
1070 | IN UINT8 Slot,\r | |
1071 | IN UINT16 Rca,\r | |
1072 | IN BOOLEAN S18A\r | |
1073 | )\r | |
1074 | {\r | |
1075 | EFI_STATUS Status;\r | |
1076 | SD_MMC_HC_SLOT_CAP *Capability;\r | |
48555339 | 1077 | UINT8 HostCtrl1;\r |
6263ae93 | 1078 | UINT8 SwitchResp[64];\r |
48555339 | 1079 | SD_MMC_HC_PRIVATE_DATA *Private;\r |
adec1f5d | 1080 | SD_MMC_BUS_SETTINGS BusMode;\r |
48555339 FT |
1081 | \r |
1082 | Private = SD_MMC_HC_PRIVATE_FROM_THIS (PassThru);\r | |
1083 | \r | |
1084 | Capability = &Private->Capability[Slot];\r | |
1085 | \r | |
1086 | Status = SdCardSelect (PassThru, Slot, Rca);\r | |
1087 | if (EFI_ERROR (Status)) {\r | |
1088 | return Status;\r | |
1089 | }\r | |
1090 | \r | |
adec1f5d AM |
1091 | if (S18A) {\r |
1092 | //\r | |
1093 | // For UHS-I speed modes 4-bit data bus is requiered so we\r | |
1094 | // switch here irrespective of platform preference.\r | |
1095 | //\r | |
1096 | Status = SdCardSwitchBusWidth (PciIo, PassThru, Slot, Rca, 4);\r | |
1097 | if (EFI_ERROR (Status)) {\r | |
1098 | return Status;\r | |
1099 | }\r | |
48555339 | 1100 | }\r |
adec1f5d | 1101 | \r |
48555339 | 1102 | //\r |
6263ae93 FT |
1103 | // Get the supported bus speed from SWITCH cmd return data group #1.\r |
1104 | //\r | |
adec1f5d | 1105 | Status = SdCardSwitch (PassThru, Slot, 0xFF, 0xF, SdDriverStrengthIgnore, 0xF, FALSE, SwitchResp);\r |
6263ae93 FT |
1106 | if (EFI_ERROR (Status)) {\r |
1107 | return Status;\r | |
1108 | }\r | |
adec1f5d AM |
1109 | \r |
1110 | SdGetTargetBusMode (Private, Slot, SwitchResp, S18A, &BusMode);\r | |
1111 | \r | |
1112 | DEBUG ((DEBUG_INFO, "SdCardSetBusMode: Target bus mode: bus timing = %d, bus width = %d, clock freq[MHz] = %d, driver strength = %d\n",\r | |
1113 | BusMode.BusTiming, BusMode.BusWidth, BusMode.ClockFreq, BusMode.DriverStrength.Sd));\r | |
1114 | \r | |
1115 | if (!S18A) {\r | |
1116 | Status = SdCardSwitchBusWidth (PciIo, PassThru, Slot, Rca, BusMode.BusWidth);\r | |
1117 | if (EFI_ERROR (Status)) {\r | |
1118 | return Status;\r | |
1119 | }\r | |
48555339 FT |
1120 | }\r |
1121 | \r | |
adec1f5d | 1122 | Status = SdCardSwitch (PassThru, Slot, BusMode.BusTiming, 0xF, BusMode.DriverStrength.Sd, 0xF, TRUE, SwitchResp);\r |
48555339 FT |
1123 | if (EFI_ERROR (Status)) {\r |
1124 | return Status;\r | |
1125 | }\r | |
1126 | \r | |
adec1f5d AM |
1127 | Status = SdMmcSetDriverStrength (Private->PciIo, Slot, BusMode.DriverStrength.Sd);\r |
1128 | if (EFI_ERROR (Status)) {\r | |
1129 | return Status;\r | |
6263ae93 FT |
1130 | }\r |
1131 | \r | |
48555339 | 1132 | //\r |
adec1f5d | 1133 | // Set to High Speed timing\r |
48555339 | 1134 | //\r |
adec1f5d | 1135 | if (BusMode.BusTiming == SdMmcSdHs) {\r |
48555339 FT |
1136 | HostCtrl1 = BIT2;\r |
1137 | Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL1, sizeof (HostCtrl1), &HostCtrl1);\r | |
1138 | if (EFI_ERROR (Status)) {\r | |
1139 | return Status;\r | |
1140 | }\r | |
1141 | }\r | |
1142 | \r | |
adec1f5d | 1143 | Status = SdMmcHcUhsSignaling (Private->ControllerHandle, PciIo, Slot, BusMode.BusTiming);\r |
48555339 FT |
1144 | if (EFI_ERROR (Status)) {\r |
1145 | return Status;\r | |
1146 | }\r | |
1147 | \r | |
adec1f5d | 1148 | Status = SdMmcHcClockSupply (PciIo, Slot, BusMode.ClockFreq * 1000, Private->BaseClkFreq[Slot], Private->ControllerVersion[Slot]);\r |
48555339 FT |
1149 | if (EFI_ERROR (Status)) {\r |
1150 | return Status;\r | |
1151 | }\r | |
1152 | \r | |
b7b803a6 TM |
1153 | if (mOverride != NULL && mOverride->NotifyPhase != NULL) {\r |
1154 | Status = mOverride->NotifyPhase (\r | |
1155 | Private->ControllerHandle,\r | |
1156 | Slot,\r | |
1157 | EdkiiSdMmcSwitchClockFreqPost,\r | |
adec1f5d | 1158 | &BusMode.BusTiming\r |
b7b803a6 TM |
1159 | );\r |
1160 | if (EFI_ERROR (Status)) {\r | |
1161 | DEBUG ((\r | |
1162 | DEBUG_ERROR,\r | |
1163 | "%a: SD/MMC switch clock freq post notifier callback failed - %r\n",\r | |
1164 | __FUNCTION__,\r | |
1165 | Status\r | |
1166 | ));\r | |
1167 | return Status;\r | |
1168 | }\r | |
1169 | }\r | |
1170 | \r | |
adec1f5d | 1171 | if ((BusMode.BusTiming == SdMmcUhsSdr104) || ((BusMode.BusTiming == SdMmcUhsSdr50) && (Capability->TuningSDR50 != 0))) {\r |
48555339 FT |
1172 | Status = SdCardTuningClock (PciIo, PassThru, Slot);\r |
1173 | if (EFI_ERROR (Status)) {\r | |
1174 | return Status;\r | |
1175 | }\r | |
1176 | }\r | |
1177 | \r | |
1178 | return Status;\r | |
1179 | }\r | |
1180 | \r | |
1181 | /**\r | |
1182 | Execute SD device identification procedure.\r | |
1183 | \r | |
1184 | Refer to SD Physical Layer Simplified Spec 4.1 Section 3.6 for details.\r | |
1185 | \r | |
1186 | @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.\r | |
1187 | @param[in] Slot The slot number of the SD card to send the command to.\r | |
1188 | \r | |
1189 | @retval EFI_SUCCESS There is a SD card.\r | |
1190 | @retval Others There is not a SD card.\r | |
1191 | \r | |
1192 | **/\r | |
1193 | EFI_STATUS\r | |
1194 | SdCardIdentification (\r | |
1195 | IN SD_MMC_HC_PRIVATE_DATA *Private,\r | |
1196 | IN UINT8 Slot\r | |
1197 | )\r | |
1198 | {\r | |
1199 | EFI_STATUS Status;\r | |
1200 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
1201 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
1202 | UINT32 Ocr;\r | |
1203 | UINT16 Rca;\r | |
1204 | BOOLEAN Xpc;\r | |
1205 | BOOLEAN S18r;\r | |
1206 | UINT64 MaxCurrent;\r | |
1207 | UINT16 ControllerVer;\r | |
1208 | UINT8 PowerCtrl;\r | |
1209 | UINT32 PresentState;\r | |
1210 | UINT8 HostCtrl2;\r | |
ec86d285 | 1211 | UINTN Retry;\r |
48555339 FT |
1212 | \r |
1213 | PciIo = Private->PciIo;\r | |
1214 | PassThru = &Private->PassThru;\r | |
1215 | //\r | |
1216 | // 1. Send Cmd0 to the device\r | |
1217 | //\r | |
1218 | Status = SdCardReset (PassThru, Slot);\r | |
1219 | if (EFI_ERROR (Status)) {\r | |
e27ccaba | 1220 | DEBUG ((DEBUG_INFO, "SdCardIdentification: Executing Cmd0 fails with %r\n", Status));\r |
48555339 FT |
1221 | return Status;\r |
1222 | }\r | |
1223 | //\r | |
1224 | // 2. Send Cmd8 to the device\r | |
1225 | //\r | |
1226 | Status = SdCardVoltageCheck (PassThru, Slot, 0x1, 0xFF);\r | |
1227 | if (EFI_ERROR (Status)) {\r | |
e27ccaba | 1228 | DEBUG ((DEBUG_INFO, "SdCardIdentification: Executing Cmd8 fails with %r\n", Status));\r |
48555339 FT |
1229 | return Status;\r |
1230 | }\r | |
1231 | //\r | |
1232 | // 3. Send SDIO Cmd5 to the device to the SDIO device OCR register.\r | |
1233 | //\r | |
1234 | Status = SdioSendOpCond (PassThru, Slot, 0, FALSE);\r | |
1235 | if (!EFI_ERROR (Status)) {\r | |
e27ccaba | 1236 | DEBUG ((DEBUG_INFO, "SdCardIdentification: Found SDIO device, ignore it as we don't support\n"));\r |
48555339 FT |
1237 | return EFI_DEVICE_ERROR;\r |
1238 | }\r | |
1239 | //\r | |
1240 | // 4. Send Acmd41 with voltage window 0 to the device\r | |
1241 | //\r | |
1242 | Status = SdCardSendOpCond (PassThru, Slot, 0, 0, FALSE, FALSE, FALSE, &Ocr);\r | |
1243 | if (EFI_ERROR (Status)) {\r | |
e27ccaba | 1244 | DEBUG ((DEBUG_INFO, "SdCardIdentification: Executing SdCardSendOpCond fails with %r\n", Status));\r |
48555339 FT |
1245 | return EFI_DEVICE_ERROR;\r |
1246 | }\r | |
1247 | \r | |
1248 | if (Private->Capability[Slot].Voltage33 != 0) {\r | |
1249 | //\r | |
1250 | // Support 3.3V\r | |
1251 | //\r | |
1252 | MaxCurrent = ((UINT32)Private->MaxCurrent[Slot] & 0xFF) * 4;\r | |
1253 | } else if (Private->Capability[Slot].Voltage30 != 0) {\r | |
1254 | //\r | |
1255 | // Support 3.0V\r | |
1256 | //\r | |
1257 | MaxCurrent = (((UINT32)Private->MaxCurrent[Slot] >> 8) & 0xFF) * 4;\r | |
1258 | } else if (Private->Capability[Slot].Voltage18 != 0) {\r | |
1259 | //\r | |
1260 | // Support 1.8V\r | |
1261 | //\r | |
1262 | MaxCurrent = (((UINT32)Private->MaxCurrent[Slot] >> 16) & 0xFF) * 4;\r | |
1263 | } else {\r | |
1264 | ASSERT (FALSE);\r | |
1265 | return EFI_DEVICE_ERROR;\r | |
1266 | }\r | |
1267 | \r | |
1268 | if (MaxCurrent >= 150) {\r | |
1269 | Xpc = TRUE;\r | |
1270 | } else {\r | |
1271 | Xpc = FALSE;\r | |
1272 | }\r | |
1273 | \r | |
1274 | Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_CTRL_VER, TRUE, sizeof (ControllerVer), &ControllerVer);\r | |
1275 | if (EFI_ERROR (Status)) {\r | |
1276 | return Status;\r | |
1277 | }\r | |
1278 | \r | |
bbce0015 JB |
1279 | if (((ControllerVer & 0xFF) >= SD_MMC_HC_CTRL_VER_300) &&\r |
1280 | ((ControllerVer & 0xFF) <= SD_MMC_HC_CTRL_VER_420)) {\r | |
48555339 | 1281 | S18r = TRUE;\r |
bdf038cc | 1282 | } else if (((ControllerVer & 0xFF) == SD_MMC_HC_CTRL_VER_100) || ((ControllerVer & 0xFF) == SD_MMC_HC_CTRL_VER_200)) {\r |
48555339 FT |
1283 | S18r = FALSE;\r |
1284 | } else {\r | |
1285 | ASSERT (FALSE);\r | |
1286 | return EFI_UNSUPPORTED;\r | |
1287 | }\r | |
1288 | //\r | |
1289 | // 5. Repeatly send Acmd41 with supply voltage window to the device.\r | |
1290 | // Note here we only support the cards complied with SD physical\r | |
1291 | // layer simplified spec version 2.0 and version 3.0 and above.\r | |
1292 | //\r | |
ec86d285 FT |
1293 | Ocr = 0;\r |
1294 | Retry = 0;\r | |
48555339 FT |
1295 | do {\r |
1296 | Status = SdCardSendOpCond (PassThru, Slot, 0, Ocr, S18r, Xpc, TRUE, &Ocr);\r | |
1297 | if (EFI_ERROR (Status)) {\r | |
e27ccaba | 1298 | DEBUG ((DEBUG_ERROR, "SdCardIdentification: SdCardSendOpCond fails with %r Ocr %x, S18r %x, Xpc %x\n", Status, Ocr, S18r, Xpc));\r |
48555339 FT |
1299 | return EFI_DEVICE_ERROR;\r |
1300 | }\r | |
ec86d285 FT |
1301 | \r |
1302 | if (Retry++ == 100) {\r | |
1303 | DEBUG ((DEBUG_ERROR, "SdCardIdentification: SdCardSendOpCond fails too many times\n"));\r | |
1304 | return EFI_DEVICE_ERROR;\r | |
1305 | }\r | |
1306 | gBS->Stall(10 * 1000);\r | |
48555339 FT |
1307 | } while ((Ocr & BIT31) == 0);\r |
1308 | \r | |
1309 | //\r | |
1310 | // 6. If the S18A bit is set and the Host Controller supports 1.8V signaling\r | |
1311 | // (One of support bits is set to 1: SDR50, SDR104 or DDR50 in the\r | |
1312 | // Capabilities register), switch its voltage to 1.8V.\r | |
1313 | //\r | |
1314 | if ((Private->Capability[Slot].Sdr50 != 0 ||\r | |
1315 | Private->Capability[Slot].Sdr104 != 0 ||\r | |
1316 | Private->Capability[Slot].Ddr50 != 0) &&\r | |
1317 | ((Ocr & BIT24) != 0)) {\r | |
1318 | Status = SdCardVoltageSwitch (PassThru, Slot);\r | |
1319 | if (EFI_ERROR (Status)) {\r | |
e27ccaba | 1320 | DEBUG ((DEBUG_ERROR, "SdCardIdentification: Executing SdCardVoltageSwitch fails with %r\n", Status));\r |
48555339 FT |
1321 | Status = EFI_DEVICE_ERROR;\r |
1322 | goto Error;\r | |
1323 | } else {\r | |
1324 | Status = SdMmcHcStopClock (PciIo, Slot);\r | |
1325 | if (EFI_ERROR (Status)) {\r | |
1326 | Status = EFI_DEVICE_ERROR;\r | |
1327 | goto Error;\r | |
1328 | }\r | |
1329 | \r | |
1330 | SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_PRESENT_STATE, TRUE, sizeof (PresentState), &PresentState);\r | |
1331 | if (((PresentState >> 20) & 0xF) != 0) {\r | |
e27ccaba | 1332 | DEBUG ((DEBUG_ERROR, "SdCardIdentification: SwitchVoltage fails with PresentState = 0x%x\n", PresentState));\r |
48555339 FT |
1333 | Status = EFI_DEVICE_ERROR;\r |
1334 | goto Error;\r | |
1335 | }\r | |
1336 | HostCtrl2 = BIT3;\r | |
1337 | SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);\r | |
1338 | \r | |
1339 | gBS->Stall (5000);\r | |
1340 | \r | |
1341 | SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, TRUE, sizeof (HostCtrl2), &HostCtrl2);\r | |
1342 | if ((HostCtrl2 & BIT3) == 0) {\r | |
e27ccaba | 1343 | DEBUG ((DEBUG_ERROR, "SdCardIdentification: SwitchVoltage fails with HostCtrl2 = 0x%x\n", HostCtrl2));\r |
48555339 FT |
1344 | Status = EFI_DEVICE_ERROR;\r |
1345 | goto Error;\r | |
1346 | }\r | |
1347 | \r | |
b5547b9c | 1348 | SdMmcHcInitClockFreq (PciIo, Slot, Private->BaseClkFreq[Slot], Private->ControllerVersion[Slot]);\r |
48555339 | 1349 | \r |
2a8b78cf | 1350 | gBS->Stall (1000);\r |
48555339 FT |
1351 | \r |
1352 | SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_PRESENT_STATE, TRUE, sizeof (PresentState), &PresentState);\r | |
1353 | if (((PresentState >> 20) & 0xF) != 0xF) {\r | |
e27ccaba | 1354 | DEBUG ((DEBUG_ERROR, "SdCardIdentification: SwitchVoltage fails with PresentState = 0x%x, It should be 0xF\n", PresentState));\r |
48555339 FT |
1355 | Status = EFI_DEVICE_ERROR;\r |
1356 | goto Error;\r | |
1357 | }\r | |
1358 | }\r | |
e27ccaba | 1359 | DEBUG ((DEBUG_INFO, "SdCardIdentification: Switch to 1.8v signal voltage success\n"));\r |
48555339 FT |
1360 | }\r |
1361 | \r | |
1362 | Status = SdCardAllSendCid (PassThru, Slot);\r | |
1363 | if (EFI_ERROR (Status)) {\r | |
e27ccaba | 1364 | DEBUG ((DEBUG_ERROR, "SdCardIdentification: Executing SdCardAllSendCid fails with %r\n", Status));\r |
48555339 FT |
1365 | return Status;\r |
1366 | }\r | |
1367 | \r | |
1368 | Status = SdCardSetRca (PassThru, Slot, &Rca);\r | |
1369 | if (EFI_ERROR (Status)) {\r | |
e27ccaba | 1370 | DEBUG ((DEBUG_ERROR, "SdCardIdentification: Executing SdCardSetRca fails with %r\n", Status));\r |
48555339 FT |
1371 | return Status;\r |
1372 | }\r | |
1373 | //\r | |
1374 | // Enter Data Tranfer Mode.\r | |
1375 | //\r | |
e27ccaba | 1376 | DEBUG ((DEBUG_INFO, "SdCardIdentification: Found a SD device at slot [%d]\n", Slot));\r |
48555339 FT |
1377 | Private->Slot[Slot].CardType = SdCardType;\r |
1378 | \r | |
1379 | Status = SdCardSetBusMode (PciIo, PassThru, Slot, Rca, ((Ocr & BIT24) != 0));\r | |
1380 | \r | |
1381 | return Status;\r | |
1382 | \r | |
1383 | Error:\r | |
1384 | //\r | |
1385 | // Set SD Bus Power = 0\r | |
1386 | //\r | |
1387 | PowerCtrl = (UINT8)~BIT0;\r | |
1388 | Status = SdMmcHcAndMmio (PciIo, Slot, SD_MMC_HC_POWER_CTRL, sizeof (PowerCtrl), &PowerCtrl);\r | |
1389 | return EFI_DEVICE_ERROR;\r | |
1390 | }\r | |
1391 | \r |