]>
Commit | Line | Data |
---|---|---|
0591696e FT |
1 | /** @file\r |
2 | UfsPassThruDxe driver is used to produce EFI_EXT_SCSI_PASS_THRU protocol interface\r | |
3 | for upper layer application to execute UFS-supported SCSI cmds.\r | |
4 | \r | |
5 | Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>\r | |
6 | This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php.\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include "UfsPassThru.h"\r | |
17 | \r | |
18 | /**\r | |
19 | Wait for the value of the specified system memory set to the test value.\r | |
20 | \r | |
21 | @param Address The system memory address to test.\r | |
22 | @param MaskValue The mask value of memory.\r | |
23 | @param TestValue The test value of memory.\r | |
24 | @param Timeout The time out value for wait memory set, uses 100ns as a unit.\r | |
25 | \r | |
26 | @retval EFI_TIMEOUT The system memory setting is time out.\r | |
27 | @retval EFI_SUCCESS The system memory is correct set.\r | |
28 | \r | |
29 | **/\r | |
30 | EFI_STATUS\r | |
31 | EFIAPI\r | |
32 | UfsWaitMemSet (\r | |
33 | IN UINTN Address,\r | |
34 | IN UINT32 MaskValue,\r | |
35 | IN UINT32 TestValue,\r | |
36 | IN UINT64 Timeout\r | |
37 | )\r | |
38 | {\r | |
39 | UINT32 Value;\r | |
40 | UINT64 Delay;\r | |
41 | BOOLEAN InfiniteWait;\r | |
42 | \r | |
43 | if (Timeout == 0) {\r | |
44 | InfiniteWait = TRUE;\r | |
45 | } else {\r | |
46 | InfiniteWait = FALSE;\r | |
47 | }\r | |
48 | \r | |
49 | Delay = DivU64x32 (Timeout, 10) + 1;\r | |
50 | \r | |
51 | do {\r | |
52 | //\r | |
53 | // Access PCI MMIO space to see if the value is the tested one.\r | |
54 | //\r | |
55 | Value = MmioRead32 (Address) & MaskValue;\r | |
56 | \r | |
57 | if (Value == TestValue) {\r | |
58 | return EFI_SUCCESS;\r | |
59 | }\r | |
60 | \r | |
61 | //\r | |
62 | // Stall for 1 microseconds.\r | |
63 | //\r | |
64 | MicroSecondDelay (1);\r | |
65 | \r | |
66 | Delay--;\r | |
67 | \r | |
68 | } while (InfiniteWait || (Delay > 0));\r | |
69 | \r | |
70 | return EFI_TIMEOUT;\r | |
71 | }\r | |
72 | \r | |
73 | /**\r | |
74 | Dump UIC command execution result for debugging.\r | |
75 | \r | |
76 | @param[in] UicOpcode The executed UIC opcode.\r | |
77 | @param[in] Result The result to be parsed.\r | |
78 | \r | |
79 | **/\r | |
80 | VOID\r | |
81 | DumpUicCmdExecResult (\r | |
82 | IN UINT8 UicOpcode,\r | |
83 | IN UINT8 Result\r | |
84 | )\r | |
85 | {\r | |
86 | if (UicOpcode <= UfsUicDmePeerSet) {\r | |
87 | switch (Result) {\r | |
88 | case 0x00:\r | |
89 | break;\r | |
90 | case 0x01:\r | |
91 | DEBUG ((EFI_D_VERBOSE, "UIC configuration command fails - INVALID_MIB_ATTRIBUTE\n"));\r | |
92 | break;\r | |
93 | case 0x02:\r | |
94 | DEBUG ((EFI_D_VERBOSE, "UIC configuration command fails - INVALID_MIB_ATTRIBUTE_VALUE\n"));\r | |
95 | break;\r | |
96 | case 0x03:\r | |
97 | DEBUG ((EFI_D_VERBOSE, "UIC configuration command fails - READ_ONLY_MIB_ATTRIBUTE\n"));\r | |
98 | break;\r | |
99 | case 0x04:\r | |
100 | DEBUG ((EFI_D_VERBOSE, "UIC configuration command fails - WRITE_ONLY_MIB_ATTRIBUTE\n"));\r | |
101 | break;\r | |
102 | case 0x05:\r | |
103 | DEBUG ((EFI_D_VERBOSE, "UIC configuration command fails - BAD_INDEX\n"));\r | |
104 | break;\r | |
105 | case 0x06:\r | |
106 | DEBUG ((EFI_D_VERBOSE, "UIC configuration command fails - LOCKED_MIB_ATTRIBUTE\n"));\r | |
107 | break;\r | |
108 | case 0x07:\r | |
109 | DEBUG ((EFI_D_VERBOSE, "UIC configuration command fails - BAD_TEST_FEATURE_INDEX\n"));\r | |
110 | break;\r | |
111 | case 0x08:\r | |
112 | DEBUG ((EFI_D_VERBOSE, "UIC configuration command fails - PEER_COMMUNICATION_FAILURE\n"));\r | |
113 | break; \r | |
114 | case 0x09:\r | |
115 | DEBUG ((EFI_D_VERBOSE, "UIC configuration command fails - BUSY\n"));\r | |
116 | break;\r | |
117 | case 0x0A:\r | |
118 | DEBUG ((EFI_D_VERBOSE, "UIC configuration command fails - DME_FAILURE\n"));\r | |
119 | break; \r | |
120 | default :\r | |
121 | ASSERT (FALSE);\r | |
122 | break;\r | |
123 | }\r | |
124 | } else {\r | |
125 | switch (Result) {\r | |
126 | case 0x00:\r | |
127 | break;\r | |
128 | case 0x01:\r | |
129 | DEBUG ((EFI_D_VERBOSE, "UIC control command fails - FAILURE\n"));\r | |
130 | break; \r | |
131 | default :\r | |
132 | ASSERT (FALSE);\r | |
133 | break;\r | |
134 | }\r | |
135 | }\r | |
136 | }\r | |
137 | \r | |
138 | /**\r | |
139 | Dump QUERY RESPONSE UPIU result for debugging.\r | |
140 | \r | |
141 | @param[in] Result The result to be parsed.\r | |
142 | \r | |
143 | **/\r | |
144 | VOID\r | |
145 | DumpQueryResponseResult (\r | |
146 | IN UINT8 Result\r | |
147 | )\r | |
148 | {\r | |
149 | switch (Result) {\r | |
150 | case 0xF6:\r | |
151 | DEBUG ((EFI_D_VERBOSE, "Query Response with Parameter Not Readable\n"));\r | |
152 | break;\r | |
153 | case 0xF7:\r | |
154 | DEBUG ((EFI_D_VERBOSE, "Query Response with Parameter Not Writeable\n"));\r | |
155 | break;\r | |
156 | case 0xF8:\r | |
157 | DEBUG ((EFI_D_VERBOSE, "Query Response with Parameter Already Written\n"));\r | |
158 | break;\r | |
159 | case 0xF9:\r | |
160 | DEBUG ((EFI_D_VERBOSE, "Query Response with Invalid Length\n"));\r | |
161 | break;\r | |
162 | case 0xFA:\r | |
163 | DEBUG ((EFI_D_VERBOSE, "Query Response with Invalid Value\n"));\r | |
164 | break;\r | |
165 | case 0xFB:\r | |
166 | DEBUG ((EFI_D_VERBOSE, "Query Response with Invalid Selector\n"));\r | |
167 | break;\r | |
168 | case 0xFC:\r | |
169 | DEBUG ((EFI_D_VERBOSE, "Query Response with Invalid Index\n"));\r | |
170 | break;\r | |
171 | case 0xFD:\r | |
172 | DEBUG ((EFI_D_VERBOSE, "Query Response with Invalid Idn\n"));\r | |
173 | break;\r | |
174 | case 0xFE:\r | |
175 | DEBUG ((EFI_D_VERBOSE, "Query Response with Invalid Opcode\n"));\r | |
176 | break; \r | |
177 | case 0xFF:\r | |
178 | DEBUG ((EFI_D_VERBOSE, "Query Response with General Failure\n"));\r | |
179 | break;\r | |
180 | default :\r | |
181 | ASSERT (FALSE);\r | |
182 | break;\r | |
183 | }\r | |
184 | }\r | |
185 | \r | |
186 | /**\r | |
187 | Swap little endian to big endian.\r | |
188 | \r | |
189 | @param[in, out] Buffer The data buffer. In input, it contains little endian data.\r | |
190 | In output, it will become big endian.\r | |
191 | @param[in] BufferSize The length of converted data.\r | |
192 | \r | |
193 | **/\r | |
194 | VOID\r | |
195 | SwapLittleEndianToBigEndian (\r | |
196 | IN OUT UINT8 *Buffer,\r | |
197 | IN UINT32 BufferSize\r | |
198 | )\r | |
199 | {\r | |
200 | UINT32 Index;\r | |
201 | UINT8 Temp;\r | |
202 | UINT32 SwapCount;\r | |
203 | \r | |
204 | SwapCount = BufferSize / 2;\r | |
205 | for (Index = 0; Index < SwapCount; Index++) {\r | |
206 | Temp = Buffer[Index];\r | |
207 | Buffer[Index] = Buffer[BufferSize - 1 - Index];\r | |
208 | Buffer[BufferSize - 1 - Index] = Temp;\r | |
209 | }\r | |
210 | }\r | |
211 | \r | |
212 | /**\r | |
213 | Fill TSF field of QUERY REQUEST UPIU.\r | |
214 | \r | |
215 | @param[in, out] TsfBase The base address of TSF field of QUERY REQUEST UPIU.\r | |
216 | @param[in] Opcode The opcode of request.\r | |
217 | @param[in] DescId The descriptor ID of request.\r | |
218 | @param[in] Index The index of request.\r | |
219 | @param[in] Selector The selector of request.\r | |
220 | @param[in] Length The length of transferred data. The maximum is 4.\r | |
221 | @param[in] Value The value of transferred data.\r | |
222 | \r | |
223 | **/\r | |
224 | VOID\r | |
225 | UfsFillTsfOfQueryReqUpiu (\r | |
226 | IN OUT UTP_UPIU_TSF *TsfBase,\r | |
227 | IN UINT8 Opcode,\r | |
228 | IN UINT8 DescId OPTIONAL,\r | |
229 | IN UINT8 Index OPTIONAL,\r | |
230 | IN UINT8 Selector OPTIONAL,\r | |
231 | IN UINT16 Length OPTIONAL,\r | |
232 | IN UINT32 Value OPTIONAL\r | |
233 | )\r | |
234 | {\r | |
235 | ASSERT (TsfBase != NULL);\r | |
236 | ASSERT (Opcode <= UtpQueryFuncOpcodeTogFlag);\r | |
237 | \r | |
238 | TsfBase->Opcode = Opcode;\r | |
239 | if (Opcode != UtpQueryFuncOpcodeNop) {\r | |
240 | TsfBase->DescId = DescId;\r | |
241 | TsfBase->Index = Index;\r | |
242 | TsfBase->Selector = Selector;\r | |
243 | \r | |
244 | if ((Opcode == UtpQueryFuncOpcodeRdDesc) || (Opcode == UtpQueryFuncOpcodeWrDesc)) {\r | |
245 | SwapLittleEndianToBigEndian ((UINT8*)&Length, sizeof (Length));\r | |
246 | TsfBase->Length = Length;\r | |
247 | }\r | |
248 | \r | |
249 | if (Opcode == UtpQueryFuncOpcodeWrAttr) {\r | |
250 | SwapLittleEndianToBigEndian ((UINT8*)&Value, sizeof (Value));\r | |
251 | TsfBase->Value = Value;\r | |
252 | }\r | |
253 | }\r | |
254 | }\r | |
255 | \r | |
256 | /**\r | |
257 | Initialize COMMAND UPIU.\r | |
258 | \r | |
259 | @param[in, out] Command The base address of COMMAND UPIU.\r | |
260 | @param[in] Lun The Lun on which the SCSI command is executed.\r | |
261 | @param[in] TaskTag The task tag of request.\r | |
262 | @param[in] Cdb The cdb buffer containing SCSI command.\r | |
263 | @param[in] CdbLength The cdb length.\r | |
264 | @param[in] DataDirection The direction of data transfer.\r | |
265 | @param[in] ExpDataTranLen The expected transfer data length.\r | |
266 | \r | |
267 | @retval EFI_SUCCESS The initialization succeed.\r | |
268 | \r | |
269 | **/\r | |
270 | EFI_STATUS\r | |
271 | UfsInitCommandUpiu (\r | |
272 | IN OUT UTP_COMMAND_UPIU *Command,\r | |
273 | IN UINT8 Lun,\r | |
274 | IN UINT8 TaskTag,\r | |
275 | IN UINT8 *Cdb,\r | |
276 | IN UINT8 CdbLength,\r | |
277 | IN UFS_DATA_DIRECTION DataDirection,\r | |
278 | IN UINT32 ExpDataTranLen\r | |
279 | )\r | |
280 | {\r | |
281 | UINT8 Flags;\r | |
282 | \r | |
283 | ASSERT ((Command != NULL) && (Cdb != NULL));\r | |
284 | \r | |
285 | //\r | |
286 | // Task attribute is hard-coded to Ordered.\r | |
287 | //\r | |
288 | if (DataDirection == UfsDataIn) {\r | |
289 | Flags = BIT0 | BIT6;\r | |
290 | } else if (DataDirection == UfsDataOut) {\r | |
291 | Flags = BIT0 | BIT5;\r | |
292 | } else {\r | |
293 | Flags = BIT0;\r | |
294 | }\r | |
295 | \r | |
296 | //\r | |
297 | // Fill UTP COMMAND UPIU associated fields.\r | |
298 | //\r | |
299 | Command->TransCode = 0x01;\r | |
300 | Command->Flags = Flags;\r | |
301 | Command->Lun = Lun;\r | |
302 | Command->TaskTag = TaskTag;\r | |
303 | Command->CmdSet = 0x00;\r | |
304 | SwapLittleEndianToBigEndian ((UINT8*)&ExpDataTranLen, sizeof (ExpDataTranLen));\r | |
305 | Command->ExpDataTranLen = ExpDataTranLen;\r | |
306 | \r | |
307 | CopyMem (Command->Cdb, Cdb, CdbLength);\r | |
308 | \r | |
309 | return EFI_SUCCESS;\r | |
310 | }\r | |
311 | \r | |
312 | /**\r | |
313 | Initialize UTP PRDT for data transfer.\r | |
314 | \r | |
315 | @param[in] Prdt The base address of PRDT.\r | |
316 | @param[in] Buffer The buffer to be read or written.\r | |
317 | @param[in] BufferSize The data size to be read or written.\r | |
318 | \r | |
319 | @retval EFI_SUCCESS The initialization succeed.\r | |
320 | \r | |
321 | **/\r | |
322 | EFI_STATUS\r | |
323 | UfsInitUtpPrdt (\r | |
324 | IN UTP_TR_PRD *Prdt,\r | |
325 | IN VOID *Buffer,\r | |
326 | IN UINT32 BufferSize\r | |
327 | )\r | |
328 | {\r | |
329 | UINT32 PrdtIndex;\r | |
330 | UINT32 RemainingLen;\r | |
331 | UINT8 *Remaining;\r | |
332 | UINTN PrdtNumber;\r | |
333 | \r | |
334 | if (BufferSize == 0) {\r | |
335 | return EFI_SUCCESS;\r | |
336 | }\r | |
337 | \r | |
338 | ASSERT (((UINTN)Buffer & (BIT0 | BIT1)) == 0);\r | |
339 | \r | |
340 | RemainingLen = BufferSize;\r | |
341 | Remaining = Buffer;\r | |
342 | PrdtNumber = (UINTN)DivU64x32 ((UINT64)BufferSize + UFS_MAX_DATA_LEN_PER_PRD - 1, UFS_MAX_DATA_LEN_PER_PRD);\r | |
343 | \r | |
344 | for (PrdtIndex = 0; PrdtIndex < PrdtNumber; PrdtIndex++) {\r | |
345 | if (RemainingLen < UFS_MAX_DATA_LEN_PER_PRD) {\r | |
346 | Prdt[PrdtIndex].DbCount = (UINT32)RemainingLen - 1;\r | |
347 | } else {\r | |
348 | Prdt[PrdtIndex].DbCount = UFS_MAX_DATA_LEN_PER_PRD - 1;\r | |
349 | }\r | |
350 | \r | |
351 | Prdt[PrdtIndex].DbAddr = (UINT32)RShiftU64 ((UINT64)(UINTN)Remaining, 2);\r | |
352 | Prdt[PrdtIndex].DbAddrU = (UINT32)RShiftU64 ((UINT64)(UINTN)Remaining, 32);\r | |
353 | RemainingLen -= UFS_MAX_DATA_LEN_PER_PRD;\r | |
354 | Remaining += UFS_MAX_DATA_LEN_PER_PRD;\r | |
355 | }\r | |
356 | \r | |
357 | return EFI_SUCCESS;\r | |
358 | }\r | |
359 | \r | |
360 | /**\r | |
361 | Initialize QUERY REQUEST UPIU.\r | |
362 | \r | |
363 | @param[in, out] QueryReq The base address of QUERY REQUEST UPIU.\r | |
364 | @param[in] TaskTag The task tag of request.\r | |
365 | @param[in] Opcode The opcode of request.\r | |
366 | @param[in] DescId The descriptor ID of request.\r | |
367 | @param[in] Index The index of request.\r | |
368 | @param[in] Selector The selector of request.\r | |
369 | @param[in] DataSize The data size to be read or written.\r | |
370 | @param[in] Data The buffer to be read or written.\r | |
371 | \r | |
372 | @retval EFI_SUCCESS The initialization succeed.\r | |
373 | \r | |
374 | **/\r | |
375 | EFI_STATUS\r | |
376 | UfsInitQueryRequestUpiu (\r | |
377 | IN OUT UTP_QUERY_REQ_UPIU *QueryReq,\r | |
378 | IN UINT8 TaskTag,\r | |
379 | IN UINT8 Opcode,\r | |
380 | IN UINT8 DescId,\r | |
381 | IN UINT8 Index,\r | |
382 | IN UINT8 Selector,\r | |
383 | IN UINTN DataSize OPTIONAL,\r | |
384 | IN UINT8 *Data OPTIONAL\r | |
385 | )\r | |
386 | {\r | |
387 | ASSERT (QueryReq != NULL);\r | |
388 | \r | |
389 | QueryReq->TransCode = 0x16;\r | |
390 | QueryReq->TaskTag = TaskTag;\r | |
391 | if ((Opcode == UtpQueryFuncOpcodeRdDesc) || (Opcode == UtpQueryFuncOpcodeRdFlag) || (Opcode == UtpQueryFuncOpcodeRdAttr)) {\r | |
392 | QueryReq->QueryFunc = QUERY_FUNC_STD_READ_REQ;\r | |
393 | } else {\r | |
394 | QueryReq->QueryFunc = QUERY_FUNC_STD_WRITE_REQ;\r | |
395 | }\r | |
396 | \r | |
397 | if (Opcode == UtpQueryFuncOpcodeWrAttr) {\r | |
398 | UfsFillTsfOfQueryReqUpiu (&QueryReq->Tsf, Opcode, DescId, Index, Selector, 0, *(UINT32*)Data);\r | |
399 | } else if ((Opcode == UtpQueryFuncOpcodeRdDesc) || (Opcode == UtpQueryFuncOpcodeWrDesc)) {\r | |
400 | UfsFillTsfOfQueryReqUpiu (&QueryReq->Tsf, Opcode, DescId, Index, Selector, (UINT16)DataSize, 0);\r | |
401 | } else {\r | |
402 | UfsFillTsfOfQueryReqUpiu (&QueryReq->Tsf, Opcode, DescId, Index, Selector, 0, 0);\r | |
403 | }\r | |
404 | \r | |
405 | if (Opcode == UtpQueryFuncOpcodeWrDesc) {\r | |
406 | CopyMem (QueryReq + 1, Data, DataSize);\r | |
407 | }\r | |
408 | \r | |
409 | return EFI_SUCCESS;\r | |
410 | }\r | |
411 | \r | |
412 | /**\r | |
413 | Allocate COMMAND/RESPONSE UPIU for filling UTP TRD's command descriptor field.\r | |
414 | \r | |
415 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
416 | @param[in] Lun The Lun on which the SCSI command is executed.\r | |
417 | @param[in] Packet The pointer to the EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET data structure.\r | |
418 | @param[in] Trd The pointer to the UTP Transfer Request Descriptor.\r | |
419 | @param[out] CmdDescHost A pointer to store the base system memory address of the allocated range.\r | |
420 | @param[out] CmdDescMapping A resulting value to pass to Unmap().\r | |
421 | \r | |
422 | @retval EFI_SUCCESS The creation succeed.\r | |
423 | @retval EFI_DEVICE_ERROR The creation failed.\r | |
424 | @retval EFI_OUT_OF_RESOURCES The memory resource is insufficient.\r | |
425 | \r | |
426 | **/\r | |
427 | EFI_STATUS\r | |
428 | UfsCreateScsiCommandDesc (\r | |
429 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
430 | IN UINT8 Lun,\r | |
431 | IN EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet,\r | |
432 | IN UTP_TRD *Trd,\r | |
433 | OUT VOID **CmdDescHost,\r | |
434 | OUT VOID **CmdDescMapping\r | |
435 | )\r | |
436 | {\r | |
437 | UINTN TotalLen;\r | |
438 | UINTN PrdtNumber;\r | |
439 | UTP_COMMAND_UPIU *CommandUpiu;\r | |
440 | EFI_PHYSICAL_ADDRESS CmdDescPhyAddr;\r | |
441 | EFI_STATUS Status;\r | |
442 | UINT32 DataLen;\r | |
443 | UFS_DATA_DIRECTION DataDirection;\r | |
444 | \r | |
445 | ASSERT ((Private != NULL) && (Packet != NULL) && (Trd != NULL));\r | |
446 | \r | |
447 | if (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) {\r | |
448 | DataLen = Packet->InTransferLength;\r | |
449 | DataDirection = UfsDataIn;\r | |
450 | } else {\r | |
451 | DataLen = Packet->OutTransferLength;\r | |
452 | DataDirection = UfsDataOut;\r | |
453 | }\r | |
454 | \r | |
455 | if (DataLen == 0) {\r | |
456 | DataDirection = UfsNoData;\r | |
457 | }\r | |
458 | \r | |
459 | PrdtNumber = (UINTN)DivU64x32 ((UINT64)DataLen + UFS_MAX_DATA_LEN_PER_PRD - 1, UFS_MAX_DATA_LEN_PER_PRD);\r | |
460 | \r | |
461 | TotalLen = ROUNDUP8 (sizeof (UTP_COMMAND_UPIU)) + ROUNDUP8 (sizeof (UTP_RESPONSE_UPIU)) + PrdtNumber * sizeof (UTP_TR_PRD);\r | |
462 | \r | |
463 | Status = UfsAllocateAlignCommonBuffer (Private, TotalLen, CmdDescHost, &CmdDescPhyAddr, CmdDescMapping);\r | |
464 | if (EFI_ERROR (Status)) {\r | |
465 | return Status;\r | |
466 | }\r | |
467 | \r | |
468 | CommandUpiu = (UTP_COMMAND_UPIU*)*CmdDescHost;\r | |
469 | \r | |
470 | UfsInitCommandUpiu (CommandUpiu, Lun, Private->TaskTag++, Packet->Cdb, Packet->CdbLength, DataDirection, DataLen);\r | |
471 | \r | |
472 | //\r | |
473 | // Fill UTP_TRD associated fields\r | |
474 | // NOTE: Some UFS host controllers request the Response UPIU and the Physical Region Description Table\r | |
475 | // *MUST* be located at a 64-bit aligned boundary.\r | |
476 | //\r | |
477 | Trd->Int = UFS_INTERRUPT_COMMAND;\r | |
478 | Trd->Dd = DataDirection;\r | |
479 | Trd->Ct = UFS_STORAGE_COMMAND_TYPE;\r | |
480 | Trd->UcdBa = (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 7);\r | |
481 | Trd->UcdBaU = (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 32);\r | |
482 | Trd->RuL = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_RESPONSE_UPIU)), sizeof (UINT32));\r | |
483 | Trd->RuO = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_COMMAND_UPIU)), sizeof (UINT32));\r | |
484 | Trd->PrdtL = (UINT16)PrdtNumber;\r | |
485 | Trd->PrdtO = (UINT16)DivU64x32 ((UINT64)(ROUNDUP8 (sizeof (UTP_COMMAND_UPIU)) + ROUNDUP8 (sizeof (UTP_RESPONSE_UPIU))), sizeof (UINT32));\r | |
486 | return EFI_SUCCESS;\r | |
487 | }\r | |
488 | \r | |
489 | /**\r | |
490 | Allocate QUERY REQUEST/QUERY RESPONSE UPIU for filling UTP TRD's command descriptor field.\r | |
491 | \r | |
492 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
493 | @param[in] Packet The pointer to the UFS_DEVICE_MANAGEMENT_REQUEST_PACKET data structure.\r | |
494 | @param[in] Trd The pointer to the UTP Transfer Request Descriptor.\r | |
495 | @param[out] CmdDescHost A pointer to store the base system memory address of the allocated range.\r | |
496 | @param[out] CmdDescMapping A resulting value to pass to Unmap().\r | |
497 | \r | |
498 | @retval EFI_SUCCESS The creation succeed.\r | |
499 | @retval EFI_DEVICE_ERROR The creation failed.\r | |
500 | @retval EFI_OUT_OF_RESOURCES The memory resource is insufficient.\r | |
501 | @retval EFI_INVALID_PARAMETER The parameter passed in is invalid.\r | |
502 | \r | |
503 | **/\r | |
504 | EFI_STATUS\r | |
505 | UfsCreateDMCommandDesc (\r | |
506 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
507 | IN UFS_DEVICE_MANAGEMENT_REQUEST_PACKET *Packet,\r | |
508 | IN UTP_TRD *Trd,\r | |
509 | OUT VOID **CmdDescHost,\r | |
510 | OUT VOID **CmdDescMapping\r | |
511 | )\r | |
512 | {\r | |
513 | UINTN TotalLen;\r | |
514 | UTP_QUERY_REQ_UPIU *QueryReqUpiu;\r | |
515 | UINT8 Opcode;\r | |
516 | UINT32 DataSize;\r | |
517 | UINT8 *Data;\r | |
518 | UINT8 DataDirection;\r | |
519 | EFI_PHYSICAL_ADDRESS CmdDescPhyAddr;\r | |
520 | EFI_STATUS Status;\r | |
521 | \r | |
522 | ASSERT ((Private != NULL) && (Packet != NULL) && (Trd != NULL));\r | |
523 | \r | |
524 | Opcode = Packet->Opcode;\r | |
525 | if ((Opcode > UtpQueryFuncOpcodeTogFlag) || (Opcode == UtpQueryFuncOpcodeNop)) {\r | |
526 | return EFI_INVALID_PARAMETER;\r | |
527 | }\r | |
528 | \r | |
529 | DataDirection = Packet->DataDirection;\r | |
530 | if (DataDirection == UfsDataIn) {\r | |
531 | DataSize = Packet->InTransferLength;\r | |
532 | Data = Packet->InDataBuffer;\r | |
533 | } else if (DataDirection == UfsDataOut) {\r | |
534 | DataSize = Packet->OutTransferLength;\r | |
535 | Data = Packet->OutDataBuffer;\r | |
536 | } else {\r | |
537 | DataSize = 0;\r | |
538 | Data = NULL;\r | |
539 | }\r | |
540 | \r | |
541 | if (((Opcode != UtpQueryFuncOpcodeSetFlag) && (Opcode != UtpQueryFuncOpcodeClrFlag) && (Opcode != UtpQueryFuncOpcodeTogFlag))\r | |
542 | && ((DataSize == 0) || (Data == NULL))) {\r | |
543 | return EFI_INVALID_PARAMETER;\r | |
544 | }\r | |
545 | \r | |
546 | if (((Opcode == UtpQueryFuncOpcodeSetFlag) || (Opcode == UtpQueryFuncOpcodeClrFlag) || (Opcode == UtpQueryFuncOpcodeTogFlag))\r | |
547 | && ((DataSize != 0) || (Data != NULL))) {\r | |
548 | return EFI_INVALID_PARAMETER;\r | |
549 | }\r | |
550 | \r | |
551 | if ((Opcode == UtpQueryFuncOpcodeWrAttr) && (DataSize != sizeof (UINT32))) {\r | |
552 | return EFI_INVALID_PARAMETER;\r | |
553 | }\r | |
554 | \r | |
555 | if ((Opcode == UtpQueryFuncOpcodeWrDesc) || (Opcode == UtpQueryFuncOpcodeRdDesc)) {\r | |
556 | TotalLen = ROUNDUP8 (sizeof (UTP_QUERY_REQ_UPIU)) + ROUNDUP8 (sizeof (UTP_QUERY_RESP_UPIU)) + ROUNDUP8 (DataSize);\r | |
557 | } else {\r | |
558 | TotalLen = ROUNDUP8 (sizeof (UTP_QUERY_REQ_UPIU)) + ROUNDUP8 (sizeof (UTP_QUERY_RESP_UPIU));\r | |
559 | }\r | |
560 | \r | |
561 | Status = UfsAllocateAlignCommonBuffer (Private, TotalLen, CmdDescHost, &CmdDescPhyAddr, CmdDescMapping);\r | |
562 | if (EFI_ERROR (Status)) {\r | |
563 | return Status;\r | |
564 | }\r | |
565 | \r | |
566 | //\r | |
567 | // Initialize UTP QUERY REQUEST UPIU\r | |
568 | //\r | |
569 | QueryReqUpiu = (UTP_QUERY_REQ_UPIU*)*CmdDescHost;\r | |
570 | ASSERT (QueryReqUpiu != NULL);\r | |
571 | UfsInitQueryRequestUpiu (\r | |
572 | QueryReqUpiu,\r | |
573 | Private->TaskTag++,\r | |
574 | Opcode,\r | |
575 | Packet->DescId,\r | |
576 | Packet->Index,\r | |
577 | Packet->Selector,\r | |
578 | DataSize,\r | |
579 | Data\r | |
580 | );\r | |
581 | \r | |
582 | //\r | |
583 | // Fill UTP_TRD associated fields\r | |
584 | // NOTE: Some UFS host controllers request the Query Response UPIU *MUST* be located at a 64-bit aligned boundary.\r | |
585 | //\r | |
586 | Trd->Int = UFS_INTERRUPT_COMMAND;\r | |
587 | Trd->Dd = DataDirection;\r | |
588 | Trd->Ct = UFS_STORAGE_COMMAND_TYPE;\r | |
589 | Trd->Ocs = 0x0F;\r | |
590 | Trd->UcdBa = (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 7);\r | |
591 | Trd->UcdBaU = (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 32);\r | |
592 | if (Opcode == UtpQueryFuncOpcodeWrDesc) {\r | |
593 | Trd->RuL = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_QUERY_RESP_UPIU)), sizeof (UINT32));\r | |
594 | Trd->RuO = (UINT16)DivU64x32 ((UINT64)(ROUNDUP8 (sizeof (UTP_QUERY_REQ_UPIU)) + ROUNDUP8 (DataSize)), sizeof (UINT32));\r | |
595 | } else {\r | |
596 | Trd->RuL = (UINT16)DivU64x32 ((UINT64)(ROUNDUP8 (sizeof (UTP_QUERY_RESP_UPIU)) + ROUNDUP8 (DataSize)), sizeof (UINT32));\r | |
597 | Trd->RuO = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_QUERY_REQ_UPIU)), sizeof (UINT32));\r | |
598 | }\r | |
599 | \r | |
600 | return EFI_SUCCESS;\r | |
601 | }\r | |
602 | \r | |
603 | /**\r | |
604 | Allocate NOP IN and NOP OUT UPIU for filling UTP TRD's command descriptor field.\r | |
605 | \r | |
606 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
607 | @param[in] Trd The pointer to the UTP Transfer Request Descriptor.\r | |
608 | @param[out] CmdDescHost A pointer to store the base system memory address of the allocated range.\r | |
609 | @param[out] CmdDescMapping A resulting value to pass to Unmap().\r | |
610 | \r | |
611 | @retval EFI_SUCCESS The creation succeed.\r | |
612 | @retval EFI_DEVICE_ERROR The creation failed.\r | |
613 | @retval EFI_OUT_OF_RESOURCES The memory resource is insufficient.\r | |
614 | \r | |
615 | **/\r | |
616 | EFI_STATUS\r | |
617 | UfsCreateNopCommandDesc (\r | |
618 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
619 | IN UTP_TRD *Trd,\r | |
620 | OUT VOID **CmdDescHost,\r | |
621 | OUT VOID **CmdDescMapping\r | |
622 | )\r | |
623 | {\r | |
624 | UINTN TotalLen;\r | |
625 | UTP_NOP_OUT_UPIU *NopOutUpiu;\r | |
626 | EFI_STATUS Status;\r | |
627 | EFI_PHYSICAL_ADDRESS CmdDescPhyAddr;\r | |
628 | \r | |
629 | ASSERT ((Private != NULL) && (Trd != NULL));\r | |
630 | \r | |
631 | TotalLen = ROUNDUP8 (sizeof (UTP_NOP_OUT_UPIU)) + ROUNDUP8 (sizeof (UTP_NOP_IN_UPIU));\r | |
632 | Status = UfsAllocateAlignCommonBuffer (Private, TotalLen, CmdDescHost, &CmdDescPhyAddr, CmdDescMapping);\r | |
633 | if (EFI_ERROR (Status)) {\r | |
634 | return Status;\r | |
635 | }\r | |
636 | \r | |
637 | NopOutUpiu = (UTP_NOP_OUT_UPIU*)*CmdDescHost;\r | |
638 | ASSERT (NopOutUpiu != NULL);\r | |
639 | NopOutUpiu->TaskTag = Private->TaskTag++;\r | |
640 | \r | |
641 | //\r | |
642 | // Fill UTP_TRD associated fields\r | |
643 | // NOTE: Some UFS host controllers request the Nop Out UPIU *MUST* be located at a 64-bit aligned boundary.\r | |
644 | //\r | |
645 | Trd->Int = UFS_INTERRUPT_COMMAND;\r | |
646 | Trd->Dd = 0x00;\r | |
647 | Trd->Ct = UFS_STORAGE_COMMAND_TYPE;\r | |
648 | Trd->UcdBa = (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 7);\r | |
649 | Trd->UcdBaU = (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 32);\r | |
650 | Trd->RuL = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_NOP_IN_UPIU)), sizeof (UINT32));\r | |
651 | Trd->RuO = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_NOP_OUT_UPIU)), sizeof (UINT32));\r | |
652 | \r | |
653 | return EFI_SUCCESS;\r | |
654 | }\r | |
655 | \r | |
656 | /**\r | |
657 | Find out available slot in transfer list of a UFS device.\r | |
658 | \r | |
659 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
660 | @param[out] Slot The available slot.\r | |
661 | \r | |
662 | @retval EFI_SUCCESS The available slot was found successfully.\r | |
663 | \r | |
664 | **/\r | |
665 | EFI_STATUS\r | |
666 | UfsFindAvailableSlotInTrl (\r | |
667 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
668 | OUT UINT8 *Slot\r | |
669 | )\r | |
670 | {\r | |
671 | ASSERT ((Private != NULL) && (Slot != NULL));\r | |
672 | \r | |
673 | //\r | |
674 | // The simplest algo to always use slot 0.\r | |
675 | // TODO: enhance it to support async transfer with multiple slot.\r | |
676 | //\r | |
677 | *Slot = 0;\r | |
678 | \r | |
679 | return EFI_SUCCESS;\r | |
680 | }\r | |
681 | \r | |
682 | /**\r | |
683 | Find out available slot in task management transfer list of a UFS device.\r | |
684 | \r | |
685 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
686 | @param[out] Slot The available slot.\r | |
687 | \r | |
688 | @retval EFI_SUCCESS The available slot was found successfully.\r | |
689 | \r | |
690 | **/\r | |
691 | EFI_STATUS\r | |
692 | UfsFindAvailableSlotInTmrl (\r | |
693 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
694 | OUT UINT8 *Slot\r | |
695 | )\r | |
696 | {\r | |
697 | ASSERT ((Private != NULL) && (Slot != NULL));\r | |
698 | \r | |
699 | //\r | |
700 | // The simplest algo to always use slot 0.\r | |
701 | // TODO: enhance it to support async transfer with multiple slot.\r | |
702 | //\r | |
703 | *Slot = 0;\r | |
704 | \r | |
705 | return EFI_SUCCESS;\r | |
706 | }\r | |
707 | \r | |
708 | /**\r | |
709 | Start specified slot in transfer list of a UFS device.\r | |
710 | \r | |
711 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
712 | @param[in] Slot The slot to be started.\r | |
713 | \r | |
714 | **/\r | |
715 | VOID\r | |
716 | UfsStartExecCmd (\r | |
717 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
718 | IN UINT8 Slot\r | |
719 | ) \r | |
720 | {\r | |
721 | UINTN UfsHcBase;\r | |
722 | UINTN Address;\r | |
723 | UINT32 Data;\r | |
724 | \r | |
725 | UfsHcBase = Private->UfsHcBase;\r | |
726 | \r | |
727 | Address = UfsHcBase + UFS_HC_UTRLRSR_OFFSET; \r | |
728 | Data = MmioRead32 (Address);\r | |
729 | if ((Data & UFS_HC_UTRLRSR) != UFS_HC_UTRLRSR) {\r | |
730 | MmioWrite32 (Address, UFS_HC_UTRLRSR);\r | |
731 | }\r | |
732 | \r | |
733 | Address = UfsHcBase + UFS_HC_UTRLDBR_OFFSET;\r | |
734 | MmioWrite32 (Address, BIT0 << Slot);\r | |
735 | }\r | |
736 | \r | |
737 | /**\r | |
738 | Stop specified slot in transfer list of a UFS device.\r | |
739 | \r | |
740 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
741 | @param[in] Slot The slot to be stop.\r | |
742 | \r | |
743 | **/\r | |
744 | VOID\r | |
745 | UfsStopExecCmd (\r | |
746 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
747 | IN UINT8 Slot\r | |
748 | ) \r | |
749 | {\r | |
750 | UINTN UfsHcBase;\r | |
751 | UINTN Address;\r | |
752 | UINT32 Data;\r | |
753 | \r | |
754 | UfsHcBase = Private->UfsHcBase;\r | |
755 | \r | |
756 | Address = UfsHcBase + UFS_HC_UTRLDBR_OFFSET; \r | |
757 | Data = MmioRead32 (Address);\r | |
758 | if ((Data & (BIT0 << Slot)) != 0) {\r | |
759 | Address = UfsHcBase + UFS_HC_UTRLCLR_OFFSET; \r | |
760 | Data = MmioRead32 (Address);\r | |
761 | MmioWrite32 (Address, (Data & ~(BIT0 << Slot)));\r | |
762 | }\r | |
763 | }\r | |
764 | \r | |
765 | /**\r | |
766 | Read or write specified device descriptor of a UFS device.\r | |
767 | \r | |
768 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
769 | @param[in] Read The boolean variable to show r/w direction.\r | |
770 | @param[in] DescId The ID of device descriptor.\r | |
771 | @param[in] Index The Index of device descriptor.\r | |
772 | @param[in] Selector The Selector of device descriptor.\r | |
773 | @param[in, out] Descriptor The buffer of device descriptor to be read or written.\r | |
774 | @param[in] DescSize The size of device descriptor buffer.\r | |
775 | \r | |
776 | @retval EFI_SUCCESS The device descriptor was read/written successfully.\r | |
777 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to r/w the device descriptor.\r | |
778 | @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of r/w the device descriptor.\r | |
779 | \r | |
780 | **/\r | |
781 | EFI_STATUS\r | |
782 | UfsRwDeviceDesc (\r | |
783 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
784 | IN BOOLEAN Read,\r | |
785 | IN UINT8 DescId,\r | |
786 | IN UINT8 Index,\r | |
787 | IN UINT8 Selector,\r | |
788 | IN OUT VOID *Descriptor,\r | |
789 | IN UINT32 DescSize\r | |
790 | )\r | |
791 | {\r | |
792 | EFI_STATUS Status;\r | |
793 | UFS_DEVICE_MANAGEMENT_REQUEST_PACKET Packet;\r | |
794 | UINT8 Slot;\r | |
795 | UTP_TRD *Trd;\r | |
796 | UINTN Address;\r | |
797 | UTP_QUERY_RESP_UPIU *QueryResp;\r | |
798 | UINT32 CmdDescSize;\r | |
799 | UINT16 ReturnDataSize;\r | |
800 | VOID *CmdDescHost;\r | |
801 | VOID *CmdDescMapping;\r | |
802 | EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc;\r | |
803 | \r | |
804 | ZeroMem (&Packet, sizeof (UFS_DEVICE_MANAGEMENT_REQUEST_PACKET));\r | |
805 | \r | |
806 | if (Read) {\r | |
807 | Packet.DataDirection = UfsDataIn;\r | |
808 | Packet.InDataBuffer = Descriptor;\r | |
809 | Packet.InTransferLength = DescSize;\r | |
810 | Packet.Opcode = UtpQueryFuncOpcodeRdDesc;\r | |
811 | } else {\r | |
812 | Packet.DataDirection = UfsDataOut;\r | |
813 | Packet.OutDataBuffer = Descriptor;\r | |
814 | Packet.OutTransferLength = DescSize;\r | |
815 | Packet.Opcode = UtpQueryFuncOpcodeWrDesc;\r | |
816 | }\r | |
817 | Packet.DescId = DescId;\r | |
818 | Packet.Index = Index;\r | |
819 | Packet.Selector = Selector;\r | |
820 | Packet.Timeout = UFS_TIMEOUT;\r | |
821 | \r | |
822 | //\r | |
823 | // Find out which slot of transfer request list is available.\r | |
824 | //\r | |
825 | Status = UfsFindAvailableSlotInTrl (Private, &Slot);\r | |
826 | if (EFI_ERROR (Status)) {\r | |
827 | return Status;\r | |
828 | }\r | |
829 | \r | |
830 | Trd = ((UTP_TRD*)Private->UtpTrlBase) + Slot;\r | |
831 | //\r | |
832 | // Fill transfer request descriptor to this slot.\r | |
833 | //\r | |
834 | Status = UfsCreateDMCommandDesc (Private, &Packet, Trd, &CmdDescHost, &CmdDescMapping);\r | |
835 | if (EFI_ERROR (Status)) {\r | |
836 | return Status;\r | |
837 | }\r | |
838 | \r | |
839 | //\r | |
840 | // Check the transfer request result.\r | |
841 | //\r | |
842 | UfsHc = Private->UfsHostController;\r | |
843 | QueryResp = (UTP_QUERY_RESP_UPIU*)((UINT8*)CmdDescHost + Trd->RuO * sizeof (UINT32));\r | |
844 | ASSERT (QueryResp != NULL);\r | |
845 | CmdDescSize = Trd->RuO * sizeof (UINT32) + Trd->RuL * sizeof (UINT32);\r | |
846 | \r | |
847 | //\r | |
848 | // Start to execute the transfer request.\r | |
849 | //\r | |
850 | UfsStartExecCmd (Private, Slot);\r | |
851 | \r | |
852 | //\r | |
853 | // Wait for the completion of the transfer request.\r | |
854 | // \r | |
855 | Address = Private->UfsHcBase + UFS_HC_UTRLDBR_OFFSET; \r | |
856 | Status = UfsWaitMemSet (Address, BIT0, 0, Packet.Timeout);\r | |
857 | if (EFI_ERROR (Status)) {\r | |
858 | goto Exit;\r | |
859 | }\r | |
860 | \r | |
861 | if (QueryResp->QueryResp != 0) {\r | |
862 | DumpQueryResponseResult (QueryResp->QueryResp);\r | |
863 | Status = EFI_DEVICE_ERROR;\r | |
864 | goto Exit;\r | |
865 | }\r | |
866 | \r | |
867 | if (Trd->Ocs == 0) {\r | |
868 | ReturnDataSize = QueryResp->Tsf.Length;\r | |
869 | SwapLittleEndianToBigEndian ((UINT8*)&ReturnDataSize, sizeof (UINT16));\r | |
870 | \r | |
871 | if (Read) {\r | |
872 | CopyMem (Packet.InDataBuffer, (QueryResp + 1), ReturnDataSize);\r | |
873 | Packet.InTransferLength = ReturnDataSize;\r | |
874 | } else {\r | |
875 | Packet.OutTransferLength = ReturnDataSize;\r | |
876 | }\r | |
877 | } else {\r | |
878 | Status = EFI_DEVICE_ERROR;\r | |
879 | }\r | |
880 | \r | |
881 | Exit:\r | |
882 | UfsHc->Flush (UfsHc);\r | |
883 | \r | |
884 | UfsStopExecCmd (Private, Slot);\r | |
885 | \r | |
886 | if (CmdDescMapping != NULL) {\r | |
887 | UfsHc->Unmap (UfsHc, CmdDescMapping);\r | |
888 | }\r | |
889 | if (CmdDescHost != NULL) {\r | |
890 | UfsHc->FreeBuffer (UfsHc, EFI_SIZE_TO_PAGES (CmdDescSize), CmdDescHost);\r | |
891 | }\r | |
892 | \r | |
893 | return Status;\r | |
894 | }\r | |
895 | \r | |
896 | /**\r | |
897 | Read or write specified attribute of a UFS device.\r | |
898 | \r | |
899 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
900 | @param[in] Read The boolean variable to show r/w direction.\r | |
901 | @param[in] AttrId The ID of Attribute.\r | |
902 | @param[in] Index The Index of Attribute.\r | |
903 | @param[in] Selector The Selector of Attribute.\r | |
904 | @param[in, out] Attributes The value of Attribute to be read or written.\r | |
905 | \r | |
906 | @retval EFI_SUCCESS The Attribute was read/written successfully.\r | |
907 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to r/w the Attribute.\r | |
908 | @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of r/w the Attribute.\r | |
909 | \r | |
910 | **/\r | |
911 | EFI_STATUS\r | |
912 | UfsRwAttributes (\r | |
913 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
914 | IN BOOLEAN Read,\r | |
915 | IN UINT8 AttrId,\r | |
916 | IN UINT8 Index,\r | |
917 | IN UINT8 Selector,\r | |
918 | IN OUT UINT32 *Attributes\r | |
919 | )\r | |
920 | {\r | |
921 | EFI_STATUS Status;\r | |
922 | UFS_DEVICE_MANAGEMENT_REQUEST_PACKET Packet;\r | |
923 | UINT8 Slot;\r | |
924 | UTP_TRD *Trd;\r | |
925 | UINTN Address;\r | |
926 | UTP_QUERY_RESP_UPIU *QueryResp;\r | |
927 | UINT32 CmdDescSize;\r | |
928 | UINT32 ReturnData;\r | |
929 | VOID *CmdDescHost;\r | |
930 | VOID *CmdDescMapping;\r | |
931 | EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc;\r | |
932 | \r | |
933 | ZeroMem (&Packet, sizeof (UFS_DEVICE_MANAGEMENT_REQUEST_PACKET));\r | |
934 | \r | |
935 | if (Read) {\r | |
936 | Packet.DataDirection = UfsDataIn;\r | |
937 | Packet.Opcode = UtpQueryFuncOpcodeRdAttr;\r | |
938 | } else {\r | |
939 | Packet.DataDirection = UfsDataOut;\r | |
940 | Packet.Opcode = UtpQueryFuncOpcodeWrAttr;\r | |
941 | }\r | |
942 | Packet.DescId = AttrId;\r | |
943 | Packet.Index = Index;\r | |
944 | Packet.Selector = Selector;\r | |
945 | Packet.Timeout = UFS_TIMEOUT;\r | |
946 | \r | |
947 | //\r | |
948 | // Find out which slot of transfer request list is available.\r | |
949 | //\r | |
950 | Status = UfsFindAvailableSlotInTrl (Private, &Slot);\r | |
951 | if (EFI_ERROR (Status)) {\r | |
952 | return Status;\r | |
953 | }\r | |
954 | \r | |
955 | Trd = ((UTP_TRD*)Private->UtpTrlBase) + Slot;\r | |
956 | //\r | |
957 | // Fill transfer request descriptor to this slot.\r | |
958 | //\r | |
959 | Status = UfsCreateDMCommandDesc (Private, &Packet, Trd, &CmdDescHost, &CmdDescMapping);\r | |
960 | if (EFI_ERROR (Status)) {\r | |
961 | return Status;\r | |
962 | }\r | |
963 | \r | |
964 | //\r | |
965 | // Check the transfer request result.\r | |
966 | //\r | |
967 | UfsHc = Private->UfsHostController;\r | |
968 | QueryResp = (UTP_QUERY_RESP_UPIU*)((UINT8*)CmdDescHost + Trd->RuO * sizeof (UINT32));\r | |
969 | ASSERT (QueryResp != NULL);\r | |
970 | CmdDescSize = Trd->RuO * sizeof (UINT32) + Trd->RuL * sizeof (UINT32);\r | |
971 | \r | |
972 | //\r | |
973 | // Start to execute the transfer request.\r | |
974 | //\r | |
975 | UfsStartExecCmd (Private, Slot);\r | |
976 | \r | |
977 | //\r | |
978 | // Wait for the completion of the transfer request.\r | |
979 | // \r | |
980 | Address = Private->UfsHcBase + UFS_HC_UTRLDBR_OFFSET; \r | |
981 | Status = UfsWaitMemSet (Address, BIT0, 0, Packet.Timeout);\r | |
982 | if (EFI_ERROR (Status)) {\r | |
983 | goto Exit;\r | |
984 | }\r | |
985 | \r | |
986 | if (QueryResp->QueryResp != 0) {\r | |
987 | DumpQueryResponseResult (QueryResp->QueryResp);\r | |
988 | Status = EFI_DEVICE_ERROR;\r | |
989 | goto Exit;\r | |
990 | }\r | |
991 | \r | |
992 | if (Trd->Ocs == 0) {\r | |
993 | ReturnData = QueryResp->Tsf.Value;\r | |
994 | SwapLittleEndianToBigEndian ((UINT8*)&ReturnData, sizeof (UINT32));\r | |
995 | *Attributes = ReturnData;\r | |
996 | } else {\r | |
997 | Status = EFI_DEVICE_ERROR;\r | |
998 | }\r | |
999 | \r | |
1000 | Exit:\r | |
1001 | UfsHc->Flush (UfsHc);\r | |
1002 | \r | |
1003 | UfsStopExecCmd (Private, Slot);\r | |
1004 | \r | |
1005 | if (CmdDescMapping != NULL) {\r | |
1006 | UfsHc->Unmap (UfsHc, CmdDescMapping);\r | |
1007 | }\r | |
1008 | \r | |
1009 | if (CmdDescHost != NULL) {\r | |
1010 | UfsHc->FreeBuffer (UfsHc, EFI_SIZE_TO_PAGES (CmdDescSize), CmdDescHost);\r | |
1011 | }\r | |
1012 | \r | |
1013 | return Status;\r | |
1014 | }\r | |
1015 | \r | |
1016 | /**\r | |
1017 | Read or write specified flag of a UFS device.\r | |
1018 | \r | |
1019 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1020 | @param[in] Read The boolean variable to show r/w direction.\r | |
1021 | @param[in] FlagId The ID of flag to be read or written.\r | |
1022 | @param[in, out] Value The value to set or clear flag.\r | |
1023 | \r | |
1024 | @retval EFI_SUCCESS The flag was read/written successfully.\r | |
1025 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to r/w the flag.\r | |
1026 | @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of r/w the flag.\r | |
1027 | \r | |
1028 | **/\r | |
1029 | EFI_STATUS\r | |
1030 | UfsRwFlags (\r | |
1031 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
1032 | IN BOOLEAN Read,\r | |
1033 | IN UINT8 FlagId,\r | |
1034 | IN OUT UINT8 *Value\r | |
1035 | )\r | |
1036 | {\r | |
1037 | EFI_STATUS Status;\r | |
1038 | UFS_DEVICE_MANAGEMENT_REQUEST_PACKET Packet;\r | |
1039 | UINT8 Slot;\r | |
1040 | UTP_TRD *Trd;\r | |
1041 | UINTN Address;\r | |
1042 | UTP_QUERY_RESP_UPIU *QueryResp;\r | |
1043 | UINT32 CmdDescSize;\r | |
1044 | VOID *CmdDescHost;\r | |
1045 | VOID *CmdDescMapping;\r | |
1046 | EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc;\r | |
1047 | \r | |
1048 | if (Value == NULL) {\r | |
1049 | return EFI_INVALID_PARAMETER;\r | |
1050 | }\r | |
1051 | \r | |
1052 | ZeroMem (&Packet, sizeof (UFS_DEVICE_MANAGEMENT_REQUEST_PACKET));\r | |
1053 | \r | |
1054 | if (Read) {\r | |
1055 | ASSERT (Value != NULL);\r | |
1056 | Packet.DataDirection = UfsDataIn;\r | |
1057 | Packet.Opcode = UtpQueryFuncOpcodeRdFlag;\r | |
1058 | } else {\r | |
1059 | Packet.DataDirection = UfsDataOut;\r | |
1060 | if (*Value == 1) {\r | |
1061 | Packet.Opcode = UtpQueryFuncOpcodeSetFlag;\r | |
1062 | } else if (*Value == 0) {\r | |
1063 | Packet.Opcode = UtpQueryFuncOpcodeClrFlag;\r | |
1064 | } else {\r | |
1065 | return EFI_INVALID_PARAMETER;\r | |
1066 | }\r | |
1067 | }\r | |
1068 | Packet.DescId = FlagId;\r | |
1069 | Packet.Index = 0;\r | |
1070 | Packet.Selector = 0;\r | |
1071 | Packet.Timeout = UFS_TIMEOUT;\r | |
1072 | \r | |
1073 | //\r | |
1074 | // Find out which slot of transfer request list is available.\r | |
1075 | //\r | |
1076 | Status = UfsFindAvailableSlotInTrl (Private, &Slot);\r | |
1077 | if (EFI_ERROR (Status)) {\r | |
1078 | return Status;\r | |
1079 | }\r | |
1080 | \r | |
1081 | //\r | |
1082 | // Fill transfer request descriptor to this slot.\r | |
1083 | //\r | |
1084 | Trd = ((UTP_TRD*)Private->UtpTrlBase) + Slot;\r | |
1085 | Status = UfsCreateDMCommandDesc (Private, &Packet, Trd, &CmdDescHost, &CmdDescMapping);\r | |
1086 | if (EFI_ERROR (Status)) {\r | |
1087 | return Status;\r | |
1088 | }\r | |
1089 | \r | |
1090 | //\r | |
1091 | // Check the transfer request result.\r | |
1092 | //\r | |
1093 | UfsHc = Private->UfsHostController;\r | |
1094 | QueryResp = (UTP_QUERY_RESP_UPIU*)((UINT8*)CmdDescHost + Trd->RuO * sizeof (UINT32));\r | |
1095 | ASSERT (QueryResp != NULL);\r | |
1096 | CmdDescSize = Trd->RuO * sizeof (UINT32) + Trd->RuL * sizeof (UINT32);\r | |
1097 | \r | |
1098 | //\r | |
1099 | // Start to execute the transfer request.\r | |
1100 | //\r | |
1101 | UfsStartExecCmd (Private, Slot);\r | |
1102 | \r | |
1103 | //\r | |
1104 | // Wait for the completion of the transfer request.\r | |
1105 | // \r | |
1106 | Address = Private->UfsHcBase + UFS_HC_UTRLDBR_OFFSET; \r | |
1107 | Status = UfsWaitMemSet (Address, BIT0, 0, Packet.Timeout);\r | |
1108 | if (EFI_ERROR (Status)) {\r | |
1109 | goto Exit;\r | |
1110 | }\r | |
1111 | \r | |
1112 | if (QueryResp->QueryResp != 0) {\r | |
1113 | DumpQueryResponseResult (QueryResp->QueryResp);\r | |
1114 | Status = EFI_DEVICE_ERROR;\r | |
1115 | goto Exit;\r | |
1116 | }\r | |
1117 | \r | |
1118 | if (Trd->Ocs == 0) {\r | |
1119 | *Value = (UINT8)QueryResp->Tsf.Value;\r | |
1120 | } else {\r | |
1121 | Status = EFI_DEVICE_ERROR;\r | |
1122 | }\r | |
1123 | \r | |
1124 | Exit:\r | |
1125 | UfsHc->Flush (UfsHc);\r | |
1126 | \r | |
1127 | UfsStopExecCmd (Private, Slot);\r | |
1128 | \r | |
1129 | if (CmdDescMapping != NULL) {\r | |
1130 | UfsHc->Unmap (UfsHc, CmdDescMapping);\r | |
1131 | }\r | |
1132 | if (CmdDescHost != NULL) {\r | |
1133 | UfsHc->FreeBuffer (UfsHc, EFI_SIZE_TO_PAGES (CmdDescSize), CmdDescHost);\r | |
1134 | }\r | |
1135 | \r | |
1136 | return Status;\r | |
1137 | }\r | |
1138 | \r | |
1139 | /**\r | |
1140 | Set specified flag to 1 on a UFS device.\r | |
1141 | \r | |
1142 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1143 | @param[in] FlagId The ID of flag to be set.\r | |
1144 | \r | |
1145 | @retval EFI_SUCCESS The flag was set successfully.\r | |
1146 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to set the flag.\r | |
1147 | @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of setting the flag.\r | |
1148 | \r | |
1149 | **/\r | |
1150 | EFI_STATUS\r | |
1151 | UfsSetFlag (\r | |
1152 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
1153 | IN UINT8 FlagId\r | |
1154 | )\r | |
1155 | {\r | |
1156 | EFI_STATUS Status;\r | |
1157 | UINT8 Value;\r | |
1158 | \r | |
1159 | Value = 1;\r | |
1160 | Status = UfsRwFlags (Private, FALSE, FlagId, &Value);\r | |
1161 | \r | |
1162 | return Status;\r | |
1163 | }\r | |
1164 | \r | |
1165 | /**\r | |
1166 | Clear specified flag to 0 on a UFS device.\r | |
1167 | \r | |
1168 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1169 | @param[in] FlagId The ID of flag to be cleared.\r | |
1170 | \r | |
1171 | @retval EFI_SUCCESS The flag was cleared successfully.\r | |
1172 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to clear the flag.\r | |
1173 | @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of clearing the flag.\r | |
1174 | \r | |
1175 | **/\r | |
1176 | EFI_STATUS\r | |
1177 | UfsClearFlag (\r | |
1178 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
1179 | IN UINT8 FlagId\r | |
1180 | )\r | |
1181 | {\r | |
1182 | EFI_STATUS Status;\r | |
1183 | UINT8 Value;\r | |
1184 | \r | |
1185 | Value = 0;\r | |
1186 | Status = UfsRwFlags (Private, FALSE, FlagId, &Value);\r | |
1187 | \r | |
1188 | return Status;\r | |
1189 | }\r | |
1190 | \r | |
1191 | /**\r | |
1192 | Read specified flag from a UFS device.\r | |
1193 | \r | |
1194 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1195 | @param[in] FlagId The ID of flag to be read.\r | |
1196 | @param[out] Value The flag's value.\r | |
1197 | \r | |
1198 | @retval EFI_SUCCESS The flag was read successfully.\r | |
1199 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to read the flag.\r | |
1200 | @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of reading the flag.\r | |
1201 | \r | |
1202 | **/\r | |
1203 | EFI_STATUS\r | |
1204 | UfsReadFlag (\r | |
1205 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
1206 | IN UINT8 FlagId,\r | |
1207 | OUT UINT8 *Value\r | |
1208 | )\r | |
1209 | {\r | |
1210 | EFI_STATUS Status;\r | |
1211 | \r | |
1212 | Status = UfsRwFlags (Private, TRUE, FlagId, Value);\r | |
1213 | \r | |
1214 | return Status;\r | |
1215 | }\r | |
1216 | \r | |
1217 | /**\r | |
1218 | Sends NOP IN cmd to a UFS device for initialization process request.\r | |
1219 | For more details, please refer to UFS 2.0 spec Figure 13.3.\r | |
1220 | \r | |
1221 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1222 | \r | |
1223 | @retval EFI_SUCCESS The NOP IN command was sent by the host. The NOP OUT response was\r | |
1224 | received successfully.\r | |
1225 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to execute NOP IN command.\r | |
1226 | @retval EFI_OUT_OF_RESOURCES The resource for transfer is not available.\r | |
1227 | @retval EFI_TIMEOUT A timeout occurred while waiting for the NOP IN command to execute.\r | |
1228 | \r | |
1229 | **/\r | |
1230 | EFI_STATUS\r | |
1231 | UfsExecNopCmds (\r | |
1232 | IN UFS_PASS_THRU_PRIVATE_DATA *Private\r | |
1233 | )\r | |
1234 | {\r | |
1235 | EFI_STATUS Status;\r | |
1236 | UINT8 Slot;\r | |
1237 | UTP_TRD *Trd;\r | |
1238 | UTP_NOP_IN_UPIU *NopInUpiu;\r | |
1239 | UINT32 CmdDescSize;\r | |
1240 | UINTN Address;\r | |
1241 | VOID *CmdDescHost;\r | |
1242 | VOID *CmdDescMapping;\r | |
1243 | EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc;\r | |
1244 | \r | |
1245 | //\r | |
1246 | // Find out which slot of transfer request list is available.\r | |
1247 | //\r | |
1248 | Status = UfsFindAvailableSlotInTrl (Private, &Slot);\r | |
1249 | if (EFI_ERROR (Status)) {\r | |
1250 | return Status;\r | |
1251 | }\r | |
1252 | \r | |
1253 | Trd = ((UTP_TRD*)Private->UtpTrlBase) + Slot;\r | |
1254 | Status = UfsCreateNopCommandDesc (Private, Trd, &CmdDescHost, &CmdDescMapping);\r | |
1255 | if (EFI_ERROR (Status)) {\r | |
1256 | return Status;\r | |
1257 | }\r | |
1258 | \r | |
1259 | //\r | |
1260 | // Check the transfer request result.\r | |
1261 | //\r | |
1262 | UfsHc = Private->UfsHostController;\r | |
1263 | NopInUpiu = (UTP_NOP_IN_UPIU*)((UINT8*)CmdDescHost + Trd->RuO * sizeof (UINT32));\r | |
1264 | ASSERT (NopInUpiu != NULL);\r | |
1265 | CmdDescSize = Trd->RuO * sizeof (UINT32) + Trd->RuL * sizeof (UINT32);\r | |
1266 | \r | |
1267 | //\r | |
1268 | // Start to execute the transfer request.\r | |
1269 | //\r | |
1270 | UfsStartExecCmd (Private, Slot);\r | |
1271 | \r | |
1272 | //\r | |
1273 | // Wait for the completion of the transfer request.\r | |
1274 | // \r | |
1275 | Address = Private->UfsHcBase + UFS_HC_UTRLDBR_OFFSET; \r | |
1276 | Status = UfsWaitMemSet (Address, BIT0, 0, UFS_TIMEOUT);\r | |
1277 | if (EFI_ERROR (Status)) {\r | |
1278 | goto Exit;\r | |
1279 | }\r | |
1280 | \r | |
1281 | if (NopInUpiu->Resp != 0) {\r | |
1282 | Status = EFI_DEVICE_ERROR;\r | |
1283 | } else {\r | |
1284 | Status = EFI_SUCCESS;\r | |
1285 | }\r | |
1286 | \r | |
1287 | Exit:\r | |
1288 | UfsHc->Flush (UfsHc);\r | |
1289 | \r | |
1290 | UfsStopExecCmd (Private, Slot);\r | |
1291 | \r | |
1292 | if (CmdDescMapping != NULL) {\r | |
1293 | UfsHc->Unmap (UfsHc, CmdDescMapping);\r | |
1294 | }\r | |
1295 | if (CmdDescHost != NULL) {\r | |
1296 | UfsHc->FreeBuffer (UfsHc, EFI_SIZE_TO_PAGES (CmdDescSize), CmdDescHost);\r | |
1297 | }\r | |
1298 | \r | |
1299 | return Status;\r | |
1300 | }\r | |
1301 | \r | |
1302 | /**\r | |
1303 | Sends a UFS-supported SCSI Request Packet to a UFS device that is attached to the UFS host controller.\r | |
1304 | \r | |
1305 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1306 | @param[in] Lun The LUN of the UFS device to send the SCSI Request Packet.\r | |
1307 | @param[in, out] Packet A pointer to the SCSI Request Packet to send to a specified Lun of the\r | |
1308 | UFS device.\r | |
1309 | \r | |
1310 | @retval EFI_SUCCESS The SCSI Request Packet was sent by the host. For bi-directional\r | |
1311 | commands, InTransferLength bytes were transferred from\r | |
1312 | InDataBuffer. For write and bi-directional commands,\r | |
1313 | OutTransferLength bytes were transferred by\r | |
1314 | OutDataBuffer.\r | |
1315 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to send the SCSI Request\r | |
1316 | Packet.\r | |
1317 | @retval EFI_OUT_OF_RESOURCES The resource for transfer is not available.\r | |
1318 | @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute.\r | |
1319 | \r | |
1320 | **/\r | |
1321 | EFI_STATUS\r | |
1322 | UfsExecScsiCmds (\r | |
1323 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
1324 | IN UINT8 Lun,\r | |
1325 | IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r | |
1326 | )\r | |
1327 | {\r | |
1328 | EFI_STATUS Status;\r | |
1329 | UINT8 Slot;\r | |
1330 | UTP_TRD *Trd;\r | |
1331 | UINTN Address;\r | |
1332 | UINT32 CmdDescSize;\r | |
1333 | UTP_RESPONSE_UPIU *Response;\r | |
1334 | UINT16 SenseDataLen;\r | |
1335 | UINT32 ResTranCount;\r | |
1336 | VOID *CmdDescHost;\r | |
1337 | VOID *CmdDescMapping;\r | |
1338 | VOID *DataBufMapping;\r | |
1339 | VOID *DataBuf;\r | |
1340 | EFI_PHYSICAL_ADDRESS DataBufPhyAddr;\r | |
1341 | UINT32 DataLen;\r | |
1342 | UINTN MapLength;\r | |
1343 | EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc;\r | |
1344 | EDKII_UFS_HOST_CONTROLLER_OPERATION Flag;\r | |
1345 | UFS_DATA_DIRECTION DataDirection;\r | |
1346 | UTP_TR_PRD *PrdtBase;\r | |
1347 | \r | |
1348 | Trd = NULL;\r | |
1349 | CmdDescHost = NULL;\r | |
1350 | CmdDescMapping = NULL;\r | |
1351 | DataBufMapping = NULL;\r | |
1352 | DataBufPhyAddr = 0;\r | |
1353 | UfsHc = Private->UfsHostController;\r | |
1354 | //\r | |
1355 | // Find out which slot of transfer request list is available.\r | |
1356 | //\r | |
1357 | Status = UfsFindAvailableSlotInTrl (Private, &Slot);\r | |
1358 | if (EFI_ERROR (Status)) {\r | |
1359 | return Status;\r | |
1360 | }\r | |
1361 | \r | |
1362 | Trd = ((UTP_TRD*)Private->UtpTrlBase) + Slot;\r | |
1363 | \r | |
1364 | //\r | |
1365 | // Fill transfer request descriptor to this slot.\r | |
1366 | //\r | |
1367 | Status = UfsCreateScsiCommandDesc (Private, Lun, Packet, Trd, &CmdDescHost, &CmdDescMapping);\r | |
1368 | if (EFI_ERROR (Status)) {\r | |
1369 | return Status;\r | |
1370 | }\r | |
1371 | \r | |
1372 | CmdDescSize = Trd->PrdtO * sizeof (UINT32) + Trd->PrdtL * sizeof (UTP_TR_PRD);\r | |
1373 | \r | |
1374 | if (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) {\r | |
1375 | DataBuf = Packet->InDataBuffer;\r | |
1376 | DataLen = Packet->InTransferLength;\r | |
1377 | DataDirection = UfsDataIn;\r | |
1378 | Flag = EdkiiUfsHcOperationBusMasterWrite;\r | |
1379 | } else {\r | |
1380 | DataBuf = Packet->OutDataBuffer;\r | |
1381 | DataLen = Packet->OutTransferLength;\r | |
1382 | DataDirection = UfsDataOut;\r | |
1383 | Flag = EdkiiUfsHcOperationBusMasterRead;\r | |
1384 | }\r | |
1385 | \r | |
1386 | if (DataLen == 0) {\r | |
1387 | DataDirection = UfsNoData;\r | |
1388 | } else {\r | |
1389 | MapLength = DataLen;\r | |
1390 | Status = UfsHc->Map (\r | |
1391 | UfsHc,\r | |
1392 | Flag,\r | |
1393 | DataBuf,\r | |
1394 | &MapLength,\r | |
1395 | &DataBufPhyAddr,\r | |
1396 | &DataBufMapping\r | |
1397 | );\r | |
1398 | \r | |
1399 | if (EFI_ERROR (Status) || (DataLen != MapLength)) {\r | |
1400 | goto Exit1;\r | |
1401 | }\r | |
1402 | }\r | |
1403 | //\r | |
1404 | // Fill PRDT table of Command UPIU for executed SCSI cmd.\r | |
1405 | //\r | |
1406 | PrdtBase = (UTP_TR_PRD*)((UINT8*)CmdDescHost + ROUNDUP8 (sizeof (UTP_COMMAND_UPIU)) + ROUNDUP8 (sizeof (UTP_RESPONSE_UPIU)));\r | |
1407 | ASSERT (PrdtBase != NULL);\r | |
1408 | UfsInitUtpPrdt (PrdtBase, (VOID*)(UINTN)DataBufPhyAddr, DataLen);\r | |
1409 | \r | |
1410 | //\r | |
1411 | // Start to execute the transfer request.\r | |
1412 | //\r | |
1413 | UfsStartExecCmd (Private, Slot);\r | |
1414 | \r | |
1415 | //\r | |
1416 | // Wait for the completion of the transfer request.\r | |
1417 | // \r | |
1418 | Address = Private->UfsHcBase + UFS_HC_UTRLDBR_OFFSET; \r | |
1419 | Status = UfsWaitMemSet (Address, BIT0, 0, Packet->Timeout);\r | |
1420 | if (EFI_ERROR (Status)) {\r | |
1421 | goto Exit;\r | |
1422 | }\r | |
1423 | \r | |
1424 | //\r | |
1425 | // Get sense data if exists\r | |
1426 | //\r | |
1427 | Response = (UTP_RESPONSE_UPIU*)((UINT8*)CmdDescHost + Trd->RuO * sizeof (UINT32));\r | |
1428 | ASSERT (Response != NULL);\r | |
1429 | SenseDataLen = Response->SenseDataLen;\r | |
1430 | SwapLittleEndianToBigEndian ((UINT8*)&SenseDataLen, sizeof (UINT16));\r | |
1431 | \r | |
1432 | if ((Packet->SenseDataLength != 0) && (Packet->SenseData != NULL)) {\r | |
1433 | CopyMem (Packet->SenseData, Response->SenseData, SenseDataLen);\r | |
1434 | Packet->SenseDataLength = (UINT8)SenseDataLen;\r | |
1435 | }\r | |
1436 | \r | |
1437 | //\r | |
1438 | // Check the transfer request result.\r | |
1439 | //\r | |
1440 | Packet->TargetStatus = Response->Status;\r | |
1441 | if (Response->Response != 0) {\r | |
1442 | DEBUG ((EFI_D_ERROR, "UfsExecScsiCmds() fails with Target Failure\n"));\r | |
1443 | Status = EFI_DEVICE_ERROR;\r | |
1444 | goto Exit;\r | |
1445 | }\r | |
1446 | \r | |
1447 | if (Trd->Ocs == 0) {\r | |
1448 | if (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) {\r | |
1449 | if ((Response->Flags & BIT5) == BIT5) {\r | |
1450 | ResTranCount = Response->ResTranCount;\r | |
1451 | SwapLittleEndianToBigEndian ((UINT8*)&ResTranCount, sizeof (UINT32));\r | |
1452 | Packet->InTransferLength -= ResTranCount;\r | |
1453 | }\r | |
1454 | } else {\r | |
1455 | if ((Response->Flags & BIT5) == BIT5) {\r | |
1456 | ResTranCount = Response->ResTranCount;\r | |
1457 | SwapLittleEndianToBigEndian ((UINT8*)&ResTranCount, sizeof (UINT32));\r | |
1458 | Packet->OutTransferLength -= ResTranCount;\r | |
1459 | }\r | |
1460 | }\r | |
1461 | } else {\r | |
1462 | Status = EFI_DEVICE_ERROR;\r | |
1463 | }\r | |
1464 | \r | |
1465 | Exit:\r | |
1466 | UfsHc->Flush (UfsHc);\r | |
1467 | \r | |
1468 | UfsStopExecCmd (Private, Slot);\r | |
1469 | \r | |
1470 | if (DataBufMapping != NULL) {\r | |
1471 | UfsHc->Unmap (UfsHc, DataBufMapping);\r | |
1472 | }\r | |
1473 | \r | |
1474 | Exit1:\r | |
1475 | if (CmdDescMapping != NULL) {\r | |
1476 | UfsHc->Unmap (UfsHc, CmdDescMapping);\r | |
1477 | }\r | |
1478 | if (CmdDescHost != NULL) {\r | |
1479 | UfsHc->FreeBuffer (UfsHc, EFI_SIZE_TO_PAGES (CmdDescSize), CmdDescHost);\r | |
1480 | }\r | |
1481 | return Status;\r | |
1482 | }\r | |
1483 | \r | |
1484 | \r | |
1485 | /**\r | |
1486 | Sent UIC DME_LINKSTARTUP command to start the link startup procedure.\r | |
1487 | \r | |
1488 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1489 | @param[in] UicOpcode The opcode of the UIC command.\r | |
1490 | @param[in] Arg1 The value for 1st argument of the UIC command.\r | |
1491 | @param[in] Arg2 The value for 2nd argument of the UIC command.\r | |
1492 | @param[in] Arg3 The value for 3rd argument of the UIC command.\r | |
1493 | \r | |
1494 | @return EFI_SUCCESS Successfully execute this UIC command and detect attached UFS device.\r | |
1495 | @return EFI_DEVICE_ERROR Fail to execute this UIC command and detect attached UFS device.\r | |
1496 | @return EFI_NOT_FOUND The presence of the UFS device isn't detected.\r | |
1497 | \r | |
1498 | **/\r | |
1499 | EFI_STATUS\r | |
1500 | UfsExecUicCommands (\r | |
1501 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
1502 | IN UINT8 UicOpcode,\r | |
1503 | IN UINT32 Arg1,\r | |
1504 | IN UINT32 Arg2,\r | |
1505 | IN UINT32 Arg3\r | |
1506 | )\r | |
1507 | {\r | |
1508 | EFI_STATUS Status;\r | |
1509 | UINTN Address;\r | |
1510 | UINT32 Data;\r | |
1511 | UINTN UfsHcBase;\r | |
1512 | \r | |
1513 | UfsHcBase = Private->UfsHcBase;\r | |
1514 | Address = UfsHcBase + UFS_HC_IS_OFFSET;\r | |
1515 | Data = MmioRead32 (Address);\r | |
1516 | if ((Data & UFS_HC_IS_UCCS) == UFS_HC_IS_UCCS) {\r | |
1517 | //\r | |
1518 | // Clear IS.BIT10 UIC Command Completion Status (UCCS) at first.\r | |
1519 | //\r | |
1520 | MmioWrite32 (Address, Data);\r | |
1521 | }\r | |
1522 | \r | |
1523 | //\r | |
1524 | // When programming UIC command registers, host software shall set the register UICCMD\r | |
1525 | // only after all the UIC command argument registers (UICCMDARG1, UICCMDARG2 and UICCMDARG3)\r | |
1526 | // are set.\r | |
1527 | //\r | |
1528 | Address = UfsHcBase + UFS_HC_UCMD_ARG1_OFFSET;\r | |
1529 | MmioWrite32 (Address, Arg1);\r | |
1530 | \r | |
1531 | Address = UfsHcBase + UFS_HC_UCMD_ARG2_OFFSET;\r | |
1532 | MmioWrite32 (Address, Arg2);\r | |
1533 | \r | |
1534 | Address = UfsHcBase + UFS_HC_UCMD_ARG3_OFFSET;\r | |
1535 | MmioWrite32 (Address, Arg3);\r | |
1536 | \r | |
1537 | //\r | |
1538 | // Host software shall only set the UICCMD if HCS.UCRDY is set to 1.\r | |
1539 | //\r | |
1540 | Address = Private->UfsHcBase + UFS_HC_STATUS_OFFSET;\r | |
1541 | Status = UfsWaitMemSet (Address, UFS_HC_HCS_UCRDY, UFS_HC_HCS_UCRDY, UFS_TIMEOUT);\r | |
1542 | if (EFI_ERROR (Status)) {\r | |
1543 | return Status;\r | |
1544 | }\r | |
1545 | \r | |
1546 | Address = UfsHcBase + UFS_HC_UIC_CMD_OFFSET;\r | |
1547 | MmioWrite32 (Address, (UINT32)UicOpcode);\r | |
1548 | \r | |
1549 | //\r | |
1550 | // UFS 2.0 spec section 5.3.1 Offset:0x20 IS.Bit10 UIC Command Completion Status (UCCS)\r | |
1551 | // This bit is set to '1' by the host controller upon completion of a UIC command. \r | |
1552 | //\r | |
1553 | Address = UfsHcBase + UFS_HC_IS_OFFSET;\r | |
1554 | Data = MmioRead32 (Address);\r | |
1555 | Status = UfsWaitMemSet (Address, UFS_HC_IS_UCCS, UFS_HC_IS_UCCS, UFS_TIMEOUT);\r | |
1556 | if (EFI_ERROR (Status)) {\r | |
1557 | return Status;\r | |
1558 | }\r | |
1559 | \r | |
1560 | if (UicOpcode != UfsUicDmeReset) {\r | |
1561 | Address = UfsHcBase + UFS_HC_UCMD_ARG2_OFFSET;\r | |
1562 | Data = MmioRead32 (Address);\r | |
1563 | if ((Data & 0xFF) != 0) {\r | |
1564 | DEBUG_CODE_BEGIN();\r | |
1565 | DumpUicCmdExecResult (UicOpcode, (UINT8)(Data & 0xFF));\r | |
1566 | DEBUG_CODE_END();\r | |
1567 | return EFI_DEVICE_ERROR;\r | |
1568 | }\r | |
1569 | }\r | |
1570 | \r | |
1571 | //\r | |
1572 | // Check value of HCS.DP and make sure that there is a device attached to the Link.\r | |
1573 | //\r | |
1574 | Address = UfsHcBase + UFS_HC_STATUS_OFFSET; \r | |
1575 | Data = MmioRead32 (Address);\r | |
1576 | if ((Data & UFS_HC_HCS_DP) == 0) {\r | |
1577 | Address = UfsHcBase + UFS_HC_IS_OFFSET;\r | |
1578 | Status = UfsWaitMemSet (Address, UFS_HC_IS_ULSS, UFS_HC_IS_ULSS, UFS_TIMEOUT);\r | |
1579 | if (EFI_ERROR (Status)) {\r | |
1580 | return EFI_DEVICE_ERROR;\r | |
1581 | }\r | |
1582 | return EFI_NOT_FOUND;\r | |
1583 | }\r | |
1584 | \r | |
1585 | DEBUG ((EFI_D_INFO, "UfsPassThruDxe: found a attached UFS device\n"));\r | |
1586 | \r | |
1587 | return EFI_SUCCESS;\r | |
1588 | }\r | |
1589 | \r | |
1590 | /**\r | |
1591 | Allocate common buffer for host and UFS bus master access simultaneously.\r | |
1592 | \r | |
1593 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1594 | @param[in] Size The length of buffer to be allocated.\r | |
1595 | @param[out] CmdDescHost A pointer to store the base system memory address of the allocated range.\r | |
1596 | @param[out] CmdDescPhyAddr The resulting map address for the UFS bus master to use to access the hosts CmdDescHost.\r | |
1597 | @param[out] CmdDescMapping A resulting value to pass to Unmap().\r | |
1598 | \r | |
1599 | @retval EFI_SUCCESS The common buffer was allocated successfully.\r | |
1600 | @retval EFI_DEVICE_ERROR The allocation fails.\r | |
1601 | @retval EFI_OUT_OF_RESOURCES The memory resource is insufficient.\r | |
1602 | \r | |
1603 | **/\r | |
1604 | EFI_STATUS\r | |
1605 | UfsAllocateAlignCommonBuffer (\r | |
1606 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
1607 | IN UINTN Size,\r | |
1608 | OUT VOID **CmdDescHost,\r | |
1609 | OUT EFI_PHYSICAL_ADDRESS *CmdDescPhyAddr,\r | |
1610 | OUT VOID **CmdDescMapping\r | |
1611 | )\r | |
1612 | {\r | |
1613 | EFI_STATUS Status;\r | |
1614 | UINTN Bytes;\r | |
1615 | BOOLEAN Is32BitAddr;\r | |
1616 | EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc;\r | |
1617 | \r | |
1618 | if ((Private->Capabilities & UFS_HC_CAP_64ADDR) == UFS_HC_CAP_64ADDR) {\r | |
1619 | Is32BitAddr = TRUE;\r | |
1620 | } else {\r | |
1621 | Is32BitAddr = FALSE;\r | |
1622 | }\r | |
1623 | \r | |
1624 | UfsHc = Private->UfsHostController;\r | |
1625 | Status = UfsHc->AllocateBuffer (\r | |
1626 | UfsHc,\r | |
1627 | AllocateAnyPages,\r | |
1628 | EfiBootServicesData,\r | |
1629 | EFI_SIZE_TO_PAGES (Size),\r | |
1630 | CmdDescHost,\r | |
1631 | 0\r | |
1632 | );\r | |
1633 | if (EFI_ERROR (Status)) {\r | |
1634 | *CmdDescMapping = NULL;\r | |
1635 | *CmdDescHost = NULL;\r | |
1636 | *CmdDescPhyAddr = 0;\r | |
1637 | return EFI_OUT_OF_RESOURCES;\r | |
1638 | }\r | |
1639 | \r | |
1640 | Bytes = EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (Size));\r | |
1641 | Status = UfsHc->Map (\r | |
1642 | UfsHc,\r | |
1643 | EdkiiUfsHcOperationBusMasterCommonBuffer,\r | |
1644 | *CmdDescHost,\r | |
1645 | &Bytes,\r | |
1646 | CmdDescPhyAddr,\r | |
1647 | CmdDescMapping\r | |
1648 | );\r | |
1649 | \r | |
1650 | if (EFI_ERROR (Status) || (Bytes != EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (Size)))) {\r | |
1651 | UfsHc->FreeBuffer (\r | |
1652 | UfsHc,\r | |
1653 | EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (Size)),\r | |
1654 | *CmdDescHost\r | |
1655 | );\r | |
1656 | *CmdDescHost = NULL;\r | |
1657 | return EFI_OUT_OF_RESOURCES;\r | |
1658 | }\r | |
1659 | \r | |
1660 | if (Is32BitAddr && ((*CmdDescPhyAddr) > 0x100000000ULL)) {\r | |
1661 | //\r | |
1662 | // The UFS host controller doesn't support 64bit addressing, so should not get a >4G UFS bus master address.\r | |
1663 | //\r | |
1664 | UfsHc->Unmap (\r | |
1665 | UfsHc,\r | |
1666 | *CmdDescMapping\r | |
1667 | );\r | |
1668 | UfsHc->FreeBuffer (\r | |
1669 | UfsHc,\r | |
1670 | EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (Size)),\r | |
1671 | *CmdDescHost\r | |
1672 | );\r | |
1673 | *CmdDescMapping = NULL;\r | |
1674 | *CmdDescHost = NULL;\r | |
1675 | return EFI_DEVICE_ERROR;\r | |
1676 | }\r | |
1677 | \r | |
1678 | ZeroMem (*CmdDescHost, EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (Size)));\r | |
1679 | return EFI_SUCCESS;\r | |
1680 | }\r | |
1681 | \r | |
1682 | /**\r | |
1683 | Enable the UFS host controller for accessing.\r | |
1684 | \r | |
1685 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1686 | \r | |
1687 | @retval EFI_SUCCESS The UFS host controller enabling was executed successfully.\r | |
1688 | @retval EFI_DEVICE_ERROR A device error occurred while enabling the UFS host controller.\r | |
1689 | \r | |
1690 | **/\r | |
1691 | EFI_STATUS\r | |
1692 | UfsEnableHostController (\r | |
1693 | IN UFS_PASS_THRU_PRIVATE_DATA *Private\r | |
1694 | )\r | |
1695 | {\r | |
1696 | EFI_STATUS Status;\r | |
1697 | UINTN Address;\r | |
1698 | UINT32 Data;\r | |
1699 | \r | |
1700 | //\r | |
1701 | // UFS 2.0 spec section 7.1.1 - Host Controller Initialization\r | |
1702 | //\r | |
1703 | // Reinitialize the UFS host controller if HCE bit of HC register is set.\r | |
1704 | //\r | |
1705 | Address = Private->UfsHcBase + UFS_HC_ENABLE_OFFSET;\r | |
1706 | Data = MmioRead32 (Address);\r | |
1707 | if ((Data & UFS_HC_HCE_EN) == UFS_HC_HCE_EN) {\r | |
1708 | //\r | |
1709 | // Write a 0 to the HCE register at first to disable the host controller.\r | |
1710 | //\r | |
1711 | MmioWrite32 (Address, 0);\r | |
1712 | //\r | |
1713 | // Wait until HCE is read as '0' before continuing.\r | |
1714 | //\r | |
1715 | Status = UfsWaitMemSet (Address, UFS_HC_HCE_EN, 0, UFS_TIMEOUT);\r | |
1716 | if (EFI_ERROR (Status)) {\r | |
1717 | return EFI_DEVICE_ERROR;\r | |
1718 | }\r | |
1719 | }\r | |
1720 | \r | |
1721 | //\r | |
1722 | // Write a 1 to the HCE register to enable the UFS host controller.\r | |
1723 | //\r | |
1724 | MmioWrite32 (Address, UFS_HC_HCE_EN);\r | |
1725 | //\r | |
1726 | // Wait until HCE is read as '1' before continuing.\r | |
1727 | //\r | |
1728 | Status = UfsWaitMemSet (Address, UFS_HC_HCE_EN, UFS_HC_HCE_EN, UFS_TIMEOUT);\r | |
1729 | if (EFI_ERROR (Status)) {\r | |
1730 | return EFI_DEVICE_ERROR;\r | |
1731 | }\r | |
1732 | \r | |
1733 | return EFI_SUCCESS;\r | |
1734 | }\r | |
1735 | \r | |
1736 | /**\r | |
1737 | Detect if a UFS device attached.\r | |
1738 | \r | |
1739 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1740 | \r | |
1741 | @retval EFI_SUCCESS The UFS device detection was executed successfully.\r | |
1742 | @retval EFI_NOT_FOUND Not found a UFS device attached.\r | |
1743 | @retval EFI_DEVICE_ERROR A device error occurred while detecting the UFS device.\r | |
1744 | \r | |
1745 | **/\r | |
1746 | EFI_STATUS\r | |
1747 | UfsDeviceDetection (\r | |
1748 | IN UFS_PASS_THRU_PRIVATE_DATA *Private\r | |
1749 | )\r | |
1750 | {\r | |
1751 | UINTN Retry;\r | |
1752 | EFI_STATUS Status;\r | |
1753 | \r | |
1754 | //\r | |
1755 | // Start UFS device detection.\r | |
1756 | // Try up to 3 times for establishing data link with device.\r | |
1757 | //\r | |
1758 | for (Retry = 0; Retry < 3; Retry++) {\r | |
1759 | Status = UfsExecUicCommands (Private, UfsUicDmeLinkStartup, 0, 0, 0);\r | |
1760 | if (!EFI_ERROR (Status)) {\r | |
1761 | break;\r | |
1762 | }\r | |
1763 | \r | |
1764 | if (Status == EFI_NOT_FOUND) {\r | |
1765 | continue;\r | |
1766 | }\r | |
1767 | \r | |
1768 | return EFI_DEVICE_ERROR;\r | |
1769 | }\r | |
1770 | \r | |
1771 | if (Retry == 3) {\r | |
1772 | return EFI_NOT_FOUND;\r | |
1773 | }\r | |
1774 | \r | |
1775 | return EFI_SUCCESS;\r | |
1776 | }\r | |
1777 | \r | |
1778 | /**\r | |
1779 | Initialize UFS task management request list related h/w context.\r | |
1780 | \r | |
1781 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1782 | \r | |
1783 | @retval EFI_SUCCESS The UFS task management list was initialzed successfully.\r | |
1784 | @retval EFI_DEVICE_ERROR The initialization fails.\r | |
1785 | \r | |
1786 | **/\r | |
1787 | EFI_STATUS\r | |
1788 | UfsInitTaskManagementRequestList (\r | |
1789 | IN UFS_PASS_THRU_PRIVATE_DATA *Private\r | |
1790 | )\r | |
1791 | {\r | |
1792 | UINTN Address;\r | |
1793 | UINT32 Data;\r | |
1794 | UINT8 Nutmrs;\r | |
1795 | VOID *CmdDescHost;\r | |
1796 | EFI_PHYSICAL_ADDRESS CmdDescPhyAddr;\r | |
1797 | VOID *CmdDescMapping;\r | |
1798 | EFI_STATUS Status;\r | |
1799 | \r | |
1800 | //\r | |
1801 | // Initial h/w and s/w context for future operations.\r | |
1802 | //\r | |
1803 | CmdDescHost = NULL;\r | |
1804 | CmdDescMapping = NULL;\r | |
1805 | CmdDescPhyAddr = 0;\r | |
1806 | Address = Private->UfsHcBase + UFS_HC_CAP_OFFSET; \r | |
1807 | Data = MmioRead32 (Address);\r | |
1808 | Private->Capabilities = Data;\r | |
1809 | \r | |
1810 | //\r | |
1811 | // Allocate and initialize UTP Task Management Request List.\r | |
1812 | //\r | |
1813 | Nutmrs = (UINT8) (RShiftU64 ((Private->Capabilities & UFS_HC_CAP_NUTMRS), 16) + 1);\r | |
1814 | Status = UfsAllocateAlignCommonBuffer (Private, Nutmrs * sizeof (UTP_TMRD), &CmdDescHost, &CmdDescPhyAddr, &CmdDescMapping);\r | |
1815 | if (EFI_ERROR (Status)) {\r | |
1816 | return Status;\r | |
1817 | }\r | |
1818 | \r | |
1819 | //\r | |
1820 | // Program the UTP Task Management Request List Base Address and UTP Task Management\r | |
1821 | // Request List Base Address with a 64-bit address allocated at step 6.\r | |
1822 | //\r | |
1823 | Address = Private->UfsHcBase + UFS_HC_UTMRLBA_OFFSET; \r | |
1824 | MmioWrite32 (Address, (UINT32)(UINTN)CmdDescPhyAddr);\r | |
1825 | Address = Private->UfsHcBase + UFS_HC_UTMRLBAU_OFFSET; \r | |
1826 | MmioWrite32 (Address, (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 32));\r | |
1827 | Private->UtpTmrlBase = CmdDescHost;\r | |
1828 | Private->Nutmrs = Nutmrs;\r | |
1829 | Private->TmrlMapping = CmdDescMapping;\r | |
1830 | \r | |
1831 | //\r | |
1832 | // Enable the UTP Task Management Request List by setting the UTP Task Management\r | |
1833 | // Request List RunStop Register (UTMRLRSR) to '1'.\r | |
1834 | //\r | |
1835 | Address = Private->UfsHcBase + UFS_HC_UTMRLRSR_OFFSET; \r | |
1836 | MmioWrite32 (Address, UFS_HC_UTMRLRSR);\r | |
1837 | \r | |
1838 | return EFI_SUCCESS;\r | |
1839 | }\r | |
1840 | \r | |
1841 | /**\r | |
1842 | Initialize UFS transfer request list related h/w context.\r | |
1843 | \r | |
1844 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1845 | \r | |
1846 | @retval EFI_SUCCESS The UFS transfer list was initialzed successfully.\r | |
1847 | @retval EFI_DEVICE_ERROR The initialization fails.\r | |
1848 | \r | |
1849 | **/\r | |
1850 | EFI_STATUS\r | |
1851 | UfsInitTransferRequestList (\r | |
1852 | IN UFS_PASS_THRU_PRIVATE_DATA *Private\r | |
1853 | )\r | |
1854 | {\r | |
1855 | UINTN Address;\r | |
1856 | UINT32 Data;\r | |
1857 | UINT8 Nutrs;\r | |
1858 | VOID *CmdDescHost;\r | |
1859 | EFI_PHYSICAL_ADDRESS CmdDescPhyAddr;\r | |
1860 | VOID *CmdDescMapping; \r | |
1861 | EFI_STATUS Status;\r | |
1862 | \r | |
1863 | //\r | |
1864 | // Initial h/w and s/w context for future operations.\r | |
1865 | //\r | |
1866 | CmdDescHost = NULL;\r | |
1867 | CmdDescMapping = NULL;\r | |
1868 | CmdDescPhyAddr = 0;\r | |
1869 | Address = Private->UfsHcBase + UFS_HC_CAP_OFFSET; \r | |
1870 | Data = MmioRead32 (Address);\r | |
1871 | Private->Capabilities = Data;\r | |
1872 | \r | |
1873 | //\r | |
1874 | // Allocate and initialize UTP Transfer Request List.\r | |
1875 | //\r | |
1876 | Nutrs = (UINT8)((Private->Capabilities & UFS_HC_CAP_NUTRS) + 1);\r | |
1877 | Status = UfsAllocateAlignCommonBuffer (Private, Nutrs * sizeof (UTP_TRD), &CmdDescHost, &CmdDescPhyAddr, &CmdDescMapping);\r | |
1878 | if (EFI_ERROR (Status)) {\r | |
1879 | return Status;\r | |
1880 | }\r | |
1881 | \r | |
1882 | //\r | |
1883 | // Program the UTP Transfer Request List Base Address and UTP Transfer Request List\r | |
1884 | // Base Address with a 64-bit address allocated at step 8.\r | |
1885 | //\r | |
1886 | Address = Private->UfsHcBase + UFS_HC_UTRLBA_OFFSET; \r | |
1887 | MmioWrite32 (Address, (UINT32)(UINTN)CmdDescPhyAddr);\r | |
1888 | Address = Private->UfsHcBase + UFS_HC_UTRLBAU_OFFSET; \r | |
1889 | MmioWrite32 (Address, (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 32));\r | |
1890 | Private->UtpTrlBase = CmdDescHost;\r | |
1891 | Private->Nutrs = Nutrs; \r | |
1892 | Private->TrlMapping = CmdDescMapping;\r | |
1893 | \r | |
1894 | //\r | |
1895 | // Enable the UTP Transfer Request List by setting the UTP Transfer Request List\r | |
1896 | // RunStop Register (UTRLRSR) to '1'.\r | |
1897 | //\r | |
1898 | Address = Private->UfsHcBase + UFS_HC_UTRLRSR_OFFSET; \r | |
1899 | MmioWrite32 (Address, UFS_HC_UTRLRSR);\r | |
1900 | \r | |
1901 | return EFI_SUCCESS;\r | |
1902 | }\r | |
1903 | \r | |
1904 | /**\r | |
1905 | Initialize the UFS host controller.\r | |
1906 | \r | |
1907 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1908 | \r | |
1909 | @retval EFI_SUCCESS The Ufs Host Controller is initialized successfully.\r | |
1910 | @retval Others A device error occurred while initializing the controller.\r | |
1911 | \r | |
1912 | **/\r | |
1913 | EFI_STATUS\r | |
1914 | UfsControllerInit (\r | |
1915 | IN UFS_PASS_THRU_PRIVATE_DATA *Private\r | |
1916 | )\r | |
1917 | {\r | |
1918 | EFI_STATUS Status;\r | |
1919 | \r | |
1920 | Status = UfsEnableHostController (Private);\r | |
1921 | if (EFI_ERROR (Status)) {\r | |
1922 | DEBUG ((EFI_D_ERROR, "UfsControllerInit: Enable Host Controller Fails, Status = %r\n", Status));\r | |
1923 | return Status;\r | |
1924 | }\r | |
1925 | \r | |
1926 | Status = UfsDeviceDetection (Private);\r | |
1927 | if (EFI_ERROR (Status)) {\r | |
1928 | DEBUG ((EFI_D_ERROR, "UfsControllerInit: Device Detection Fails, Status = %r\n", Status));\r | |
1929 | return Status;\r | |
1930 | }\r | |
1931 | \r | |
1932 | Status = UfsInitTaskManagementRequestList (Private);\r | |
1933 | if (EFI_ERROR (Status)) {\r | |
1934 | DEBUG ((EFI_D_ERROR, "UfsControllerInit: Task management list initialization Fails, Status = %r\n", Status));\r | |
1935 | return Status;\r | |
1936 | }\r | |
1937 | \r | |
1938 | Status = UfsInitTransferRequestList (Private);\r | |
1939 | if (EFI_ERROR (Status)) {\r | |
1940 | DEBUG ((EFI_D_ERROR, "UfsControllerInit: Transfer list initialization Fails, Status = %r\n", Status));\r | |
1941 | return Status;\r | |
1942 | }\r | |
1943 | \r | |
1944 | DEBUG ((EFI_D_INFO, "UfsControllerInit Finished\n"));\r | |
1945 | return EFI_SUCCESS;\r | |
1946 | }\r | |
1947 | \r | |
1948 | /**\r | |
1949 | Stop the UFS host controller.\r | |
1950 | \r | |
1951 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1952 | \r | |
1953 | @retval EFI_SUCCESS The Ufs Host Controller is stopped successfully.\r | |
1954 | @retval Others A device error occurred while stopping the controller.\r | |
1955 | \r | |
1956 | **/\r | |
1957 | EFI_STATUS\r | |
1958 | UfsControllerStop (\r | |
1959 | IN UFS_PASS_THRU_PRIVATE_DATA *Private\r | |
1960 | )\r | |
1961 | {\r | |
1962 | EFI_STATUS Status;\r | |
1963 | UINTN Address;\r | |
1964 | UINT32 Data;\r | |
1965 | \r | |
1966 | //\r | |
1967 | // Enable the UTP Task Management Request List by setting the UTP Task Management\r | |
1968 | // Request List RunStop Register (UTMRLRSR) to '1'.\r | |
1969 | //\r | |
1970 | Address = Private->UfsHcBase + UFS_HC_UTMRLRSR_OFFSET; \r | |
1971 | MmioWrite32 (Address, 0);\r | |
1972 | \r | |
1973 | //\r | |
1974 | // Enable the UTP Transfer Request List by setting the UTP Transfer Request List\r | |
1975 | // RunStop Register (UTRLRSR) to '1'.\r | |
1976 | //\r | |
1977 | Address = Private->UfsHcBase + UFS_HC_UTRLRSR_OFFSET; \r | |
1978 | MmioWrite32 (Address, 0);\r | |
1979 | \r | |
1980 | //\r | |
1981 | // Write a 0 to the HCE register in order to disable the host controller.\r | |
1982 | //\r | |
1983 | Address = Private->UfsHcBase + UFS_HC_ENABLE_OFFSET;\r | |
1984 | Data = MmioRead32 (Address);\r | |
1985 | ASSERT ((Data & UFS_HC_HCE_EN) == UFS_HC_HCE_EN);\r | |
1986 | MmioWrite32 (Address, 0);\r | |
1987 | \r | |
1988 | //\r | |
1989 | // Wait until HCE is read as '0' before continuing.\r | |
1990 | //\r | |
1991 | Status = UfsWaitMemSet (Address, UFS_HC_HCE_EN, 0, UFS_TIMEOUT);\r | |
1992 | if (EFI_ERROR (Status)) {\r | |
1993 | return EFI_DEVICE_ERROR;\r | |
1994 | }\r | |
1995 | \r | |
1996 | DEBUG ((EFI_D_INFO, "UfsController is stopped\n"));\r | |
1997 | \r | |
1998 | return EFI_SUCCESS;\r | |
1999 | }\r | |
2000 | \r |