]>
Commit | Line | Data |
---|---|---|
0591696e FT |
1 | /** @file\r |
2 | \r | |
45920941 | 3 | Copyright (c) 2014 - 2021, Intel Corporation. All rights reserved.<BR>\r |
9d510e61 | 4 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
0591696e FT |
5 | \r |
6 | **/\r | |
7 | \r | |
8 | #include "UfsBlockIoPei.h"\r | |
9 | \r | |
10 | /**\r | |
11 | Wait for the value of the specified system memory set to the test value.\r | |
12 | \r | |
13 | @param Address The system memory address to test.\r | |
14 | @param MaskValue The mask value of memory.\r | |
15 | @param TestValue The test value of memory.\r | |
16 | @param Timeout The time out value for wait memory set, uses 100ns as a unit.\r | |
17 | \r | |
18 | @retval EFI_TIMEOUT The system memory setting is time out.\r | |
19 | @retval EFI_SUCCESS The system memory is correct set.\r | |
20 | \r | |
21 | **/\r | |
22 | EFI_STATUS\r | |
23 | EFIAPI\r | |
24 | UfsWaitMemSet (\r | |
1436aea4 MK |
25 | IN UINTN Address,\r |
26 | IN UINT32 MaskValue,\r | |
27 | IN UINT32 TestValue,\r | |
28 | IN UINT64 Timeout\r | |
0591696e FT |
29 | )\r |
30 | {\r | |
1436aea4 MK |
31 | UINT32 Value;\r |
32 | UINT64 Delay;\r | |
33 | BOOLEAN InfiniteWait;\r | |
0591696e FT |
34 | \r |
35 | if (Timeout == 0) {\r | |
36 | InfiniteWait = TRUE;\r | |
37 | } else {\r | |
38 | InfiniteWait = FALSE;\r | |
39 | }\r | |
40 | \r | |
41 | Delay = DivU64x32 (Timeout, 10) + 1;\r | |
42 | \r | |
43 | do {\r | |
44 | //\r | |
45 | // Access PCI MMIO space to see if the value is the tested one.\r | |
46 | //\r | |
47 | Value = MmioRead32 (Address) & MaskValue;\r | |
48 | \r | |
49 | if (Value == TestValue) {\r | |
50 | return EFI_SUCCESS;\r | |
51 | }\r | |
52 | \r | |
53 | //\r | |
54 | // Stall for 1 microseconds.\r | |
55 | //\r | |
56 | MicroSecondDelay (1);\r | |
57 | \r | |
58 | Delay--;\r | |
0591696e FT |
59 | } while (InfiniteWait || (Delay > 0));\r |
60 | \r | |
61 | return EFI_TIMEOUT;\r | |
62 | }\r | |
63 | \r | |
64 | /**\r | |
65 | Dump UIC command execution result for debugging.\r | |
66 | \r | |
67 | @param[in] UicOpcode The executed UIC opcode.\r | |
68 | @param[in] Result The result to be parsed.\r | |
69 | \r | |
70 | **/\r | |
71 | VOID\r | |
72 | DumpUicCmdExecResult (\r | |
1436aea4 MK |
73 | IN UINT8 UicOpcode,\r |
74 | IN UINT8 Result\r | |
0591696e FT |
75 | )\r |
76 | {\r | |
77 | if (UicOpcode <= UfsUicDmePeerSet) {\r | |
78 | switch (Result) {\r | |
79 | case 0x00:\r | |
80 | break;\r | |
81 | case 0x01:\r | |
87000d77 | 82 | DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - INVALID_MIB_ATTRIBUTE\n"));\r |
0591696e FT |
83 | break;\r |
84 | case 0x02:\r | |
87000d77 | 85 | DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - INVALID_MIB_ATTRIBUTE_VALUE\n"));\r |
0591696e FT |
86 | break;\r |
87 | case 0x03:\r | |
87000d77 | 88 | DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - READ_ONLY_MIB_ATTRIBUTE\n"));\r |
0591696e FT |
89 | break;\r |
90 | case 0x04:\r | |
87000d77 | 91 | DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - WRITE_ONLY_MIB_ATTRIBUTE\n"));\r |
0591696e FT |
92 | break;\r |
93 | case 0x05:\r | |
87000d77 | 94 | DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - BAD_INDEX\n"));\r |
0591696e FT |
95 | break;\r |
96 | case 0x06:\r | |
87000d77 | 97 | DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - LOCKED_MIB_ATTRIBUTE\n"));\r |
0591696e FT |
98 | break;\r |
99 | case 0x07:\r | |
87000d77 | 100 | DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - BAD_TEST_FEATURE_INDEX\n"));\r |
0591696e FT |
101 | break;\r |
102 | case 0x08:\r | |
87000d77 | 103 | DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - PEER_COMMUNICATION_FAILURE\n"));\r |
d1102dba | 104 | break;\r |
0591696e | 105 | case 0x09:\r |
87000d77 | 106 | DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - BUSY\n"));\r |
0591696e FT |
107 | break;\r |
108 | case 0x0A:\r | |
87000d77 | 109 | DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - DME_FAILURE\n"));\r |
d1102dba | 110 | break;\r |
1436aea4 | 111 | default:\r |
0591696e FT |
112 | ASSERT (FALSE);\r |
113 | break;\r | |
114 | }\r | |
115 | } else {\r | |
116 | switch (Result) {\r | |
117 | case 0x00:\r | |
118 | break;\r | |
119 | case 0x01:\r | |
87000d77 | 120 | DEBUG ((DEBUG_VERBOSE, "UIC control command fails - FAILURE\n"));\r |
d1102dba | 121 | break;\r |
1436aea4 | 122 | default:\r |
0591696e FT |
123 | ASSERT (FALSE);\r |
124 | break;\r | |
125 | }\r | |
126 | }\r | |
127 | }\r | |
128 | \r | |
129 | /**\r | |
130 | Dump QUERY RESPONSE UPIU result for debugging.\r | |
131 | \r | |
132 | @param[in] Result The result to be parsed.\r | |
133 | \r | |
134 | **/\r | |
135 | VOID\r | |
136 | DumpQueryResponseResult (\r | |
1436aea4 | 137 | IN UINT8 Result\r |
0591696e FT |
138 | )\r |
139 | {\r | |
140 | switch (Result) {\r | |
141 | case 0xF6:\r | |
87000d77 | 142 | DEBUG ((DEBUG_VERBOSE, "Query Response with Parameter Not Readable\n"));\r |
0591696e FT |
143 | break;\r |
144 | case 0xF7:\r | |
87000d77 | 145 | DEBUG ((DEBUG_VERBOSE, "Query Response with Parameter Not Writeable\n"));\r |
0591696e FT |
146 | break;\r |
147 | case 0xF8:\r | |
87000d77 | 148 | DEBUG ((DEBUG_VERBOSE, "Query Response with Parameter Already Written\n"));\r |
0591696e FT |
149 | break;\r |
150 | case 0xF9:\r | |
87000d77 | 151 | DEBUG ((DEBUG_VERBOSE, "Query Response with Invalid Length\n"));\r |
0591696e FT |
152 | break;\r |
153 | case 0xFA:\r | |
87000d77 | 154 | DEBUG ((DEBUG_VERBOSE, "Query Response with Invalid Value\n"));\r |
0591696e FT |
155 | break;\r |
156 | case 0xFB:\r | |
87000d77 | 157 | DEBUG ((DEBUG_VERBOSE, "Query Response with Invalid Selector\n"));\r |
0591696e FT |
158 | break;\r |
159 | case 0xFC:\r | |
87000d77 | 160 | DEBUG ((DEBUG_VERBOSE, "Query Response with Invalid Index\n"));\r |
0591696e FT |
161 | break;\r |
162 | case 0xFD:\r | |
87000d77 | 163 | DEBUG ((DEBUG_VERBOSE, "Query Response with Invalid Idn\n"));\r |
0591696e FT |
164 | break;\r |
165 | case 0xFE:\r | |
87000d77 | 166 | DEBUG ((DEBUG_VERBOSE, "Query Response with Invalid Opcode\n"));\r |
d1102dba | 167 | break;\r |
0591696e | 168 | case 0xFF:\r |
87000d77 | 169 | DEBUG ((DEBUG_VERBOSE, "Query Response with General Failure\n"));\r |
0591696e | 170 | break;\r |
1436aea4 | 171 | default:\r |
0591696e FT |
172 | ASSERT (FALSE);\r |
173 | break;\r | |
174 | }\r | |
175 | }\r | |
176 | \r | |
177 | /**\r | |
178 | Swap little endian to big endian.\r | |
179 | \r | |
180 | @param[in, out] Buffer The data buffer. In input, it contains little endian data.\r | |
181 | In output, it will become big endian.\r | |
182 | @param[in] BufferSize The length of converted data.\r | |
183 | \r | |
184 | **/\r | |
185 | VOID\r | |
186 | SwapLittleEndianToBigEndian (\r | |
1436aea4 MK |
187 | IN OUT UINT8 *Buffer,\r |
188 | IN UINT32 BufferSize\r | |
0591696e FT |
189 | )\r |
190 | {\r | |
1436aea4 MK |
191 | UINT32 Index;\r |
192 | UINT8 Temp;\r | |
193 | UINT32 SwapCount;\r | |
0591696e FT |
194 | \r |
195 | SwapCount = BufferSize / 2;\r | |
196 | for (Index = 0; Index < SwapCount; Index++) {\r | |
1436aea4 MK |
197 | Temp = Buffer[Index];\r |
198 | Buffer[Index] = Buffer[BufferSize - 1 - Index];\r | |
0591696e FT |
199 | Buffer[BufferSize - 1 - Index] = Temp;\r |
200 | }\r | |
201 | }\r | |
202 | \r | |
203 | /**\r | |
204 | Fill TSF field of QUERY REQUEST UPIU.\r | |
205 | \r | |
206 | @param[in, out] TsfBase The base address of TSF field of QUERY REQUEST UPIU.\r | |
207 | @param[in] Opcode The opcode of request.\r | |
208 | @param[in] DescId The descriptor ID of request.\r | |
209 | @param[in] Index The index of request.\r | |
210 | @param[in] Selector The selector of request.\r | |
211 | @param[in] Length The length of transferred data. The maximum is 4.\r | |
212 | @param[in] Value The value of transferred data.\r | |
213 | \r | |
214 | **/\r | |
215 | VOID\r | |
216 | UfsFillTsfOfQueryReqUpiu (\r | |
1436aea4 MK |
217 | IN OUT UTP_UPIU_TSF *TsfBase,\r |
218 | IN UINT8 Opcode,\r | |
219 | IN UINT8 DescId OPTIONAL,\r | |
220 | IN UINT8 Index OPTIONAL,\r | |
221 | IN UINT8 Selector OPTIONAL,\r | |
222 | IN UINT16 Length OPTIONAL,\r | |
223 | IN UINT32 Value OPTIONAL\r | |
0591696e FT |
224 | )\r |
225 | {\r | |
226 | ASSERT (TsfBase != NULL);\r | |
227 | ASSERT (Opcode <= UtpQueryFuncOpcodeTogFlag);\r | |
228 | \r | |
1436aea4 | 229 | TsfBase->Opcode = Opcode;\r |
0591696e FT |
230 | if (Opcode != UtpQueryFuncOpcodeNop) {\r |
231 | TsfBase->DescId = DescId;\r | |
232 | TsfBase->Index = Index;\r | |
233 | TsfBase->Selector = Selector;\r | |
234 | \r | |
235 | if ((Opcode == UtpQueryFuncOpcodeRdDesc) || (Opcode == UtpQueryFuncOpcodeWrDesc)) {\r | |
1436aea4 | 236 | SwapLittleEndianToBigEndian ((UINT8 *)&Length, sizeof (Length));\r |
0591696e FT |
237 | TsfBase->Length = Length;\r |
238 | }\r | |
d1102dba | 239 | \r |
0591696e | 240 | if (Opcode == UtpQueryFuncOpcodeWrAttr) {\r |
1436aea4 MK |
241 | SwapLittleEndianToBigEndian ((UINT8 *)&Value, sizeof (Value));\r |
242 | TsfBase->Value = Value;\r | |
0591696e FT |
243 | }\r |
244 | }\r | |
245 | }\r | |
246 | \r | |
247 | /**\r | |
248 | Initialize COMMAND UPIU.\r | |
249 | \r | |
250 | @param[in, out] Command The base address of COMMAND UPIU.\r | |
251 | @param[in] Lun The Lun on which the SCSI command is executed.\r | |
252 | @param[in] TaskTag The task tag of request.\r | |
253 | @param[in] Cdb The cdb buffer containing SCSI command.\r | |
254 | @param[in] CdbLength The cdb length.\r | |
255 | @param[in] DataDirection The direction of data transfer.\r | |
256 | @param[in] ExpDataTranLen The expected transfer data length.\r | |
257 | \r | |
258 | @retval EFI_SUCCESS The initialization succeed.\r | |
259 | \r | |
260 | **/\r | |
261 | EFI_STATUS\r | |
262 | UfsInitCommandUpiu (\r | |
1436aea4 MK |
263 | IN OUT UTP_COMMAND_UPIU *Command,\r |
264 | IN UINT8 Lun,\r | |
265 | IN UINT8 TaskTag,\r | |
266 | IN UINT8 *Cdb,\r | |
267 | IN UINT8 CdbLength,\r | |
268 | IN UFS_DATA_DIRECTION DataDirection,\r | |
269 | IN UINT32 ExpDataTranLen\r | |
0591696e FT |
270 | )\r |
271 | {\r | |
1436aea4 | 272 | UINT8 Flags;\r |
0591696e FT |
273 | \r |
274 | ASSERT ((Command != NULL) && (Cdb != NULL));\r | |
275 | \r | |
276 | //\r | |
277 | // Task attribute is hard-coded to Ordered.\r | |
278 | //\r | |
279 | if (DataDirection == UfsDataIn) {\r | |
280 | Flags = BIT0 | BIT6;\r | |
281 | } else if (DataDirection == UfsDataOut) {\r | |
282 | Flags = BIT0 | BIT5;\r | |
283 | } else {\r | |
284 | Flags = BIT0;\r | |
285 | }\r | |
286 | \r | |
287 | //\r | |
288 | // Fill UTP COMMAND UPIU associated fields.\r | |
289 | //\r | |
290 | Command->TransCode = 0x01;\r | |
291 | Command->Flags = Flags;\r | |
292 | Command->Lun = Lun;\r | |
293 | Command->TaskTag = TaskTag;\r | |
294 | Command->CmdSet = 0x00;\r | |
1436aea4 | 295 | SwapLittleEndianToBigEndian ((UINT8 *)&ExpDataTranLen, sizeof (ExpDataTranLen));\r |
0591696e FT |
296 | Command->ExpDataTranLen = ExpDataTranLen;\r |
297 | \r | |
298 | CopyMem (Command->Cdb, Cdb, CdbLength);\r | |
299 | \r | |
300 | return EFI_SUCCESS;\r | |
301 | }\r | |
302 | \r | |
303 | /**\r | |
304 | Initialize UTP PRDT for data transfer.\r | |
305 | \r | |
306 | @param[in] Prdt The base address of PRDT.\r | |
307 | @param[in] Buffer The buffer to be read or written.\r | |
308 | @param[in] BufferSize The data size to be read or written.\r | |
309 | \r | |
310 | @retval EFI_SUCCESS The initialization succeed.\r | |
311 | \r | |
312 | **/\r | |
313 | EFI_STATUS\r | |
314 | UfsInitUtpPrdt (\r | |
1436aea4 MK |
315 | IN UTP_TR_PRD *Prdt,\r |
316 | IN VOID *Buffer,\r | |
317 | IN UINT32 BufferSize\r | |
0591696e FT |
318 | )\r |
319 | {\r | |
1436aea4 MK |
320 | UINT32 PrdtIndex;\r |
321 | UINT32 RemainingLen;\r | |
322 | UINT8 *Remaining;\r | |
323 | UINTN PrdtNumber;\r | |
0591696e | 324 | \r |
d945390d FT |
325 | if ((BufferSize & (BIT0 | BIT1)) != 0) {\r |
326 | BufferSize &= ~(BIT0 | BIT1);\r | |
87000d77 | 327 | DEBUG ((DEBUG_WARN, "UfsInitUtpPrdt: The BufferSize [%d] is not dword-aligned!\n", BufferSize));\r |
d945390d FT |
328 | }\r |
329 | \r | |
0591696e FT |
330 | if (BufferSize == 0) {\r |
331 | return EFI_SUCCESS;\r | |
332 | }\r | |
333 | \r | |
334 | ASSERT (((UINTN)Buffer & (BIT0 | BIT1)) == 0);\r | |
335 | \r | |
336 | RemainingLen = BufferSize;\r | |
337 | Remaining = Buffer;\r | |
338 | PrdtNumber = (UINTN)DivU64x32 ((UINT64)BufferSize + UFS_MAX_DATA_LEN_PER_PRD - 1, UFS_MAX_DATA_LEN_PER_PRD);\r | |
339 | \r | |
340 | for (PrdtIndex = 0; PrdtIndex < PrdtNumber; PrdtIndex++) {\r | |
341 | if (RemainingLen < UFS_MAX_DATA_LEN_PER_PRD) {\r | |
342 | Prdt[PrdtIndex].DbCount = (UINT32)RemainingLen - 1;\r | |
343 | } else {\r | |
344 | Prdt[PrdtIndex].DbCount = UFS_MAX_DATA_LEN_PER_PRD - 1;\r | |
345 | }\r | |
346 | \r | |
347 | Prdt[PrdtIndex].DbAddr = (UINT32)RShiftU64 ((UINT64)(UINTN)Remaining, 2);\r | |
348 | Prdt[PrdtIndex].DbAddrU = (UINT32)RShiftU64 ((UINT64)(UINTN)Remaining, 32);\r | |
1436aea4 MK |
349 | RemainingLen -= UFS_MAX_DATA_LEN_PER_PRD;\r |
350 | Remaining += UFS_MAX_DATA_LEN_PER_PRD;\r | |
0591696e FT |
351 | }\r |
352 | \r | |
353 | return EFI_SUCCESS;\r | |
354 | }\r | |
355 | \r | |
356 | /**\r | |
357 | Initialize QUERY REQUEST UPIU.\r | |
358 | \r | |
359 | @param[in, out] QueryReq The base address of QUERY REQUEST UPIU.\r | |
360 | @param[in] TaskTag The task tag of request.\r | |
361 | @param[in] Opcode The opcode of request.\r | |
362 | @param[in] DescId The descriptor ID of request.\r | |
363 | @param[in] Index The index of request.\r | |
364 | @param[in] Selector The selector of request.\r | |
365 | @param[in] DataSize The data size to be read or written.\r | |
366 | @param[in] Data The buffer to be read or written.\r | |
367 | \r | |
368 | @retval EFI_SUCCESS The initialization succeed.\r | |
369 | \r | |
370 | **/\r | |
371 | EFI_STATUS\r | |
372 | UfsInitQueryRequestUpiu (\r | |
1436aea4 MK |
373 | IN OUT UTP_QUERY_REQ_UPIU *QueryReq,\r |
374 | IN UINT8 TaskTag,\r | |
375 | IN UINT8 Opcode,\r | |
376 | IN UINT8 DescId,\r | |
377 | IN UINT8 Index,\r | |
378 | IN UINT8 Selector,\r | |
379 | IN UINTN DataSize OPTIONAL,\r | |
380 | IN UINT8 *Data OPTIONAL\r | |
0591696e FT |
381 | )\r |
382 | {\r | |
383 | ASSERT (QueryReq != NULL);\r | |
384 | \r | |
385 | QueryReq->TransCode = 0x16;\r | |
386 | QueryReq->TaskTag = TaskTag;\r | |
387 | if ((Opcode == UtpQueryFuncOpcodeRdDesc) || (Opcode == UtpQueryFuncOpcodeRdFlag) || (Opcode == UtpQueryFuncOpcodeRdAttr)) {\r | |
388 | QueryReq->QueryFunc = QUERY_FUNC_STD_READ_REQ;\r | |
389 | } else {\r | |
390 | QueryReq->QueryFunc = QUERY_FUNC_STD_WRITE_REQ;\r | |
391 | }\r | |
392 | \r | |
393 | if (Opcode == UtpQueryFuncOpcodeWrAttr) {\r | |
1436aea4 | 394 | UfsFillTsfOfQueryReqUpiu (&QueryReq->Tsf, Opcode, DescId, Index, Selector, 0, *(UINT32 *)Data);\r |
0591696e FT |
395 | } else if ((Opcode == UtpQueryFuncOpcodeRdDesc) || (Opcode == UtpQueryFuncOpcodeWrDesc)) {\r |
396 | UfsFillTsfOfQueryReqUpiu (&QueryReq->Tsf, Opcode, DescId, Index, Selector, (UINT16)DataSize, 0);\r | |
397 | } else {\r | |
398 | UfsFillTsfOfQueryReqUpiu (&QueryReq->Tsf, Opcode, DescId, Index, Selector, 0, 0);\r | |
399 | }\r | |
400 | \r | |
401 | if (Opcode == UtpQueryFuncOpcodeWrDesc) {\r | |
402 | CopyMem (QueryReq + 1, Data, DataSize);\r | |
c16eee92 | 403 | \r |
1436aea4 | 404 | SwapLittleEndianToBigEndian ((UINT8 *)&DataSize, sizeof (UINT16));\r |
c16eee92 | 405 | QueryReq->DataSegLen = (UINT16)DataSize;\r |
0591696e FT |
406 | }\r |
407 | \r | |
408 | return EFI_SUCCESS;\r | |
409 | }\r | |
410 | \r | |
411 | /**\r | |
412 | Allocate COMMAND/RESPONSE UPIU for filling UTP TRD's command descriptor field.\r | |
413 | \r | |
414 | @param[in] Private The pointer to the UFS_PEIM_HC_PRIVATE_DATA data structure.\r | |
415 | @param[in] Lun The Lun on which the SCSI command is executed.\r | |
416 | @param[in] Packet The pointer to the UFS_SCSI_REQUEST_PACKET data structure.\r | |
417 | @param[in] Trd The pointer to the UTP Transfer Request Descriptor.\r | |
44a0857e | 418 | @param[out] BufferMap A resulting value, if not NULL, to pass to IoMmuUnmap().\r |
0591696e FT |
419 | \r |
420 | @retval EFI_SUCCESS The creation succeed.\r | |
421 | @retval EFI_DEVICE_ERROR The creation failed.\r | |
422 | @retval EFI_OUT_OF_RESOURCES The memory resource is insufficient.\r | |
423 | \r | |
424 | **/\r | |
425 | EFI_STATUS\r | |
426 | UfsCreateScsiCommandDesc (\r | |
1436aea4 MK |
427 | IN UFS_PEIM_HC_PRIVATE_DATA *Private,\r |
428 | IN UINT8 Lun,\r | |
429 | IN UFS_SCSI_REQUEST_PACKET *Packet,\r | |
430 | IN UTP_TRD *Trd,\r | |
431 | OUT VOID **BufferMap\r | |
0591696e FT |
432 | )\r |
433 | {\r | |
1436aea4 MK |
434 | UINT8 *CommandDesc;\r |
435 | UINTN TotalLen;\r | |
436 | UINTN PrdtNumber;\r | |
437 | VOID *Buffer;\r | |
438 | UINT32 Length;\r | |
439 | UTP_COMMAND_UPIU *CommandUpiu;\r | |
440 | UTP_TR_PRD *PrdtBase;\r | |
441 | UFS_DATA_DIRECTION DataDirection;\r | |
442 | EFI_STATUS Status;\r | |
443 | EDKII_IOMMU_OPERATION MapOp;\r | |
444 | UINTN MapLength;\r | |
445 | EFI_PHYSICAL_ADDRESS BufferPhyAddr;\r | |
0591696e FT |
446 | \r |
447 | ASSERT ((Private != NULL) && (Packet != NULL) && (Trd != NULL));\r | |
448 | \r | |
44a0857e HW |
449 | BufferPhyAddr = 0;\r |
450 | \r | |
0591696e | 451 | if (Packet->DataDirection == UfsDataIn) {\r |
44a0857e HW |
452 | Buffer = Packet->InDataBuffer;\r |
453 | Length = Packet->InTransferLength;\r | |
0591696e | 454 | DataDirection = UfsDataIn;\r |
44a0857e | 455 | MapOp = EdkiiIoMmuOperationBusMasterWrite;\r |
0591696e | 456 | } else {\r |
1436aea4 MK |
457 | Buffer = Packet->OutDataBuffer;\r |
458 | Length = Packet->OutTransferLength;\r | |
0591696e | 459 | DataDirection = UfsDataOut;\r |
44a0857e | 460 | MapOp = EdkiiIoMmuOperationBusMasterRead;\r |
0591696e FT |
461 | }\r |
462 | \r | |
463 | if (Length == 0) {\r | |
464 | DataDirection = UfsNoData;\r | |
44a0857e HW |
465 | } else {\r |
466 | MapLength = Length;\r | |
1436aea4 | 467 | Status = IoMmuMap (MapOp, Buffer, &MapLength, &BufferPhyAddr, BufferMap);\r |
44a0857e HW |
468 | \r |
469 | if (EFI_ERROR (Status) || (MapLength != Length)) {\r | |
470 | DEBUG ((DEBUG_ERROR, "UfsCreateScsiCommandDesc: Fail to map data buffer.\n"));\r | |
471 | return EFI_OUT_OF_RESOURCES;\r | |
472 | }\r | |
0591696e FT |
473 | }\r |
474 | \r | |
475 | PrdtNumber = (UINTN)DivU64x32 ((UINT64)Length + UFS_MAX_DATA_LEN_PER_PRD - 1, UFS_MAX_DATA_LEN_PER_PRD);\r | |
476 | \r | |
477 | TotalLen = ROUNDUP8 (sizeof (UTP_COMMAND_UPIU)) + ROUNDUP8 (sizeof (UTP_RESPONSE_UPIU)) + PrdtNumber * sizeof (UTP_TR_PRD);\r | |
478 | CommandDesc = UfsPeimAllocateMem (Private->Pool, TotalLen);\r | |
479 | if (CommandDesc == NULL) {\r | |
480 | return EFI_OUT_OF_RESOURCES;\r | |
481 | }\r | |
482 | \r | |
1436aea4 MK |
483 | CommandUpiu = (UTP_COMMAND_UPIU *)CommandDesc;\r |
484 | PrdtBase = (UTP_TR_PRD *)(CommandDesc + ROUNDUP8 (sizeof (UTP_COMMAND_UPIU)) + ROUNDUP8 (sizeof (UTP_RESPONSE_UPIU)));\r | |
0591696e FT |
485 | \r |
486 | UfsInitCommandUpiu (CommandUpiu, Lun, Private->TaskTag++, Packet->Cdb, Packet->CdbLength, DataDirection, Length);\r | |
1436aea4 | 487 | UfsInitUtpPrdt (PrdtBase, (VOID *)(UINTN)BufferPhyAddr, Length);\r |
0591696e FT |
488 | \r |
489 | //\r | |
490 | // Fill UTP_TRD associated fields\r | |
491 | // NOTE: Some UFS host controllers request the Response UPIU and the Physical Region Description Table\r | |
492 | // *MUST* be located at a 64-bit aligned boundary.\r | |
493 | //\r | |
494 | Trd->Int = UFS_INTERRUPT_COMMAND;\r | |
495 | Trd->Dd = DataDirection;\r | |
496 | Trd->Ct = UFS_STORAGE_COMMAND_TYPE;\r | |
4d580428 | 497 | Trd->Ocs = UFS_HC_TRD_OCS_INIT_VALUE;\r |
0591696e FT |
498 | Trd->UcdBa = (UINT32)RShiftU64 ((UINT64)(UINTN)CommandUpiu, 7);\r |
499 | Trd->UcdBaU = (UINT32)RShiftU64 ((UINT64)(UINTN)CommandUpiu, 32);\r | |
500 | Trd->RuL = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_RESPONSE_UPIU)), sizeof (UINT32));\r | |
501 | Trd->RuO = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_COMMAND_UPIU)), sizeof (UINT32));\r | |
502 | Trd->PrdtL = (UINT16)PrdtNumber;\r | |
503 | Trd->PrdtO = (UINT16)DivU64x32 ((UINT64)(ROUNDUP8 (sizeof (UTP_COMMAND_UPIU)) + ROUNDUP8 (sizeof (UTP_RESPONSE_UPIU))), sizeof (UINT32));\r | |
504 | return EFI_SUCCESS;\r | |
505 | }\r | |
506 | \r | |
507 | /**\r | |
508 | Allocate QUERY REQUEST/QUERY RESPONSE UPIU for filling UTP TRD's command descriptor field.\r | |
509 | \r | |
510 | @param[in] Private The pointer to the UFS_PEIM_HC_PRIVATE_DATA data structure.\r | |
511 | @param[in] Packet The pointer to the UFS_DEVICE_MANAGEMENT_REQUEST_PACKET data structure.\r | |
512 | @param[in] Trd The pointer to the UTP Transfer Request Descriptor.\r | |
513 | \r | |
514 | @retval EFI_SUCCESS The creation succeed.\r | |
515 | @retval EFI_DEVICE_ERROR The creation failed.\r | |
516 | @retval EFI_OUT_OF_RESOURCES The memory resource is insufficient.\r | |
517 | @retval EFI_INVALID_PARAMETER The parameter passed in is invalid.\r | |
518 | \r | |
519 | **/\r | |
520 | EFI_STATUS\r | |
521 | UfsCreateDMCommandDesc (\r | |
522 | IN UFS_PEIM_HC_PRIVATE_DATA *Private,\r | |
523 | IN UFS_DEVICE_MANAGEMENT_REQUEST_PACKET *Packet,\r | |
524 | IN UTP_TRD *Trd\r | |
525 | )\r | |
526 | {\r | |
1436aea4 MK |
527 | UINT8 *CommandDesc;\r |
528 | UINTN TotalLen;\r | |
529 | UTP_QUERY_REQ_UPIU *QueryReqUpiu;\r | |
530 | UINT8 Opcode;\r | |
531 | UINT32 DataSize;\r | |
532 | UINT8 *Data;\r | |
533 | UINT8 DataDirection;\r | |
0591696e FT |
534 | \r |
535 | ASSERT ((Private != NULL) && (Packet != NULL) && (Trd != NULL));\r | |
536 | \r | |
537 | Opcode = Packet->Opcode;\r | |
538 | if ((Opcode > UtpQueryFuncOpcodeTogFlag) || (Opcode == UtpQueryFuncOpcodeNop)) {\r | |
539 | return EFI_INVALID_PARAMETER;\r | |
540 | }\r | |
541 | \r | |
542 | DataDirection = Packet->DataDirection;\r | |
543 | if (DataDirection == UfsDataIn) {\r | |
544 | DataSize = Packet->InTransferLength;\r | |
545 | Data = Packet->InDataBuffer;\r | |
546 | } else if (DataDirection == UfsDataOut) {\r | |
547 | DataSize = Packet->OutTransferLength;\r | |
548 | Data = Packet->OutDataBuffer;\r | |
549 | } else {\r | |
550 | DataSize = 0;\r | |
551 | Data = NULL;\r | |
552 | }\r | |
553 | \r | |
45920941 KV |
554 | if (((Opcode != UtpQueryFuncOpcodeRdFlag) && (Opcode != UtpQueryFuncOpcodeSetFlag) &&\r |
555 | (Opcode != UtpQueryFuncOpcodeClrFlag) && (Opcode != UtpQueryFuncOpcodeTogFlag)) &&\r | |
556 | ((DataSize == 0) || (Data == NULL)))\r | |
1436aea4 | 557 | {\r |
0591696e FT |
558 | return EFI_INVALID_PARAMETER;\r |
559 | }\r | |
560 | \r | |
561 | if ((Opcode == UtpQueryFuncOpcodeWrAttr) && (DataSize != sizeof (UINT32))) {\r | |
562 | return EFI_INVALID_PARAMETER;\r | |
563 | }\r | |
564 | \r | |
565 | if ((Opcode == UtpQueryFuncOpcodeWrDesc) || (Opcode == UtpQueryFuncOpcodeRdDesc)) {\r | |
566 | TotalLen = ROUNDUP8 (sizeof (UTP_QUERY_REQ_UPIU)) + ROUNDUP8 (sizeof (UTP_QUERY_RESP_UPIU)) + ROUNDUP8 (DataSize);\r | |
567 | } else {\r | |
568 | TotalLen = ROUNDUP8 (sizeof (UTP_QUERY_REQ_UPIU)) + ROUNDUP8 (sizeof (UTP_QUERY_RESP_UPIU));\r | |
569 | }\r | |
570 | \r | |
571 | CommandDesc = UfsPeimAllocateMem (Private->Pool, TotalLen);\r | |
572 | if (CommandDesc == NULL) {\r | |
573 | return EFI_OUT_OF_RESOURCES;\r | |
574 | }\r | |
575 | \r | |
576 | //\r | |
577 | // Initialize UTP QUERY REQUEST UPIU\r | |
578 | //\r | |
1436aea4 | 579 | QueryReqUpiu = (UTP_QUERY_REQ_UPIU *)CommandDesc;\r |
0591696e FT |
580 | UfsInitQueryRequestUpiu (\r |
581 | QueryReqUpiu,\r | |
582 | Private->TaskTag++,\r | |
583 | Opcode,\r | |
584 | Packet->DescId,\r | |
585 | Packet->Index,\r | |
586 | Packet->Selector,\r | |
587 | DataSize,\r | |
588 | Data\r | |
589 | );\r | |
590 | \r | |
591 | //\r | |
592 | // Fill UTP_TRD associated fields\r | |
593 | // NOTE: Some UFS host controllers request the Query Response UPIU *MUST* be located at a 64-bit aligned boundary.\r | |
594 | //\r | |
595 | Trd->Int = UFS_INTERRUPT_COMMAND;\r | |
596 | Trd->Dd = DataDirection;\r | |
597 | Trd->Ct = UFS_STORAGE_COMMAND_TYPE;\r | |
4d580428 | 598 | Trd->Ocs = UFS_HC_TRD_OCS_INIT_VALUE;\r |
0591696e FT |
599 | Trd->UcdBa = (UINT32)RShiftU64 ((UINT64)(UINTN)QueryReqUpiu, 7);\r |
600 | Trd->UcdBaU = (UINT32)RShiftU64 ((UINT64)(UINTN)QueryReqUpiu, 32);\r | |
601 | if (Opcode == UtpQueryFuncOpcodeWrDesc) {\r | |
1436aea4 MK |
602 | Trd->RuL = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_QUERY_RESP_UPIU)), sizeof (UINT32));\r |
603 | Trd->RuO = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_QUERY_REQ_UPIU)) + ROUNDUP8 (DataSize), sizeof (UINT32));\r | |
0591696e | 604 | } else {\r |
1436aea4 MK |
605 | Trd->RuL = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_QUERY_RESP_UPIU)) + ROUNDUP8 (DataSize), sizeof (UINT32));\r |
606 | Trd->RuO = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_QUERY_REQ_UPIU)), sizeof (UINT32));\r | |
0591696e FT |
607 | }\r |
608 | \r | |
609 | return EFI_SUCCESS;\r | |
610 | }\r | |
611 | \r | |
612 | /**\r | |
613 | Allocate NOP IN and NOP OUT UPIU for filling UTP TRD's command descriptor field.\r | |
614 | \r | |
615 | @param[in] Private The pointer to the UFS_PEIM_HC_PRIVATE_DATA data structure.\r | |
616 | @param[in] Trd The pointer to the UTP Transfer Request Descriptor.\r | |
617 | \r | |
618 | @retval EFI_SUCCESS The creation succeed.\r | |
619 | @retval EFI_DEVICE_ERROR The creation failed.\r | |
620 | @retval EFI_OUT_OF_RESOURCES The memory resource is insufficient.\r | |
621 | \r | |
622 | **/\r | |
623 | EFI_STATUS\r | |
624 | UfsCreateNopCommandDesc (\r | |
1436aea4 MK |
625 | IN UFS_PEIM_HC_PRIVATE_DATA *Private,\r |
626 | IN UTP_TRD *Trd\r | |
0591696e FT |
627 | )\r |
628 | {\r | |
1436aea4 MK |
629 | UINT8 *CommandDesc;\r |
630 | UINTN TotalLen;\r | |
631 | UTP_NOP_OUT_UPIU *NopOutUpiu;\r | |
0591696e FT |
632 | \r |
633 | ASSERT ((Private != NULL) && (Trd != NULL));\r | |
634 | \r | |
635 | TotalLen = ROUNDUP8 (sizeof (UTP_NOP_OUT_UPIU)) + ROUNDUP8 (sizeof (UTP_NOP_IN_UPIU));\r | |
636 | CommandDesc = UfsPeimAllocateMem (Private->Pool, TotalLen);\r | |
637 | if (CommandDesc == NULL) {\r | |
638 | return EFI_OUT_OF_RESOURCES;\r | |
639 | }\r | |
640 | \r | |
1436aea4 | 641 | NopOutUpiu = (UTP_NOP_OUT_UPIU *)CommandDesc;\r |
0591696e FT |
642 | \r |
643 | NopOutUpiu->TaskTag = Private->TaskTag++;\r | |
644 | \r | |
645 | //\r | |
646 | // Fill UTP_TRD associated fields\r | |
647 | // NOTE: Some UFS host controllers request the Nop Out UPIU *MUST* be located at a 64-bit aligned boundary.\r | |
648 | //\r | |
649 | Trd->Int = UFS_INTERRUPT_COMMAND;\r | |
650 | Trd->Dd = 0x00;\r | |
651 | Trd->Ct = UFS_STORAGE_COMMAND_TYPE;\r | |
4d580428 | 652 | Trd->Ocs = UFS_HC_TRD_OCS_INIT_VALUE;\r |
0591696e FT |
653 | Trd->UcdBa = (UINT32)RShiftU64 ((UINT64)(UINTN)NopOutUpiu, 7);\r |
654 | Trd->UcdBaU = (UINT32)RShiftU64 ((UINT64)(UINTN)NopOutUpiu, 32);\r | |
655 | Trd->RuL = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_NOP_IN_UPIU)), sizeof (UINT32));\r | |
656 | Trd->RuO = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_NOP_OUT_UPIU)), sizeof (UINT32));\r | |
657 | \r | |
658 | return EFI_SUCCESS;\r | |
659 | }\r | |
660 | \r | |
661 | /**\r | |
662 | Find out available slot in transfer list of a UFS device.\r | |
663 | \r | |
664 | @param[in] Private The pointer to the UFS_PEIM_HC_PRIVATE_DATA data structure.\r | |
665 | @param[out] Slot The available slot.\r | |
666 | \r | |
667 | @retval EFI_SUCCESS The available slot was found successfully.\r | |
668 | \r | |
669 | **/\r | |
670 | EFI_STATUS\r | |
671 | UfsFindAvailableSlotInTrl (\r | |
1436aea4 MK |
672 | IN UFS_PEIM_HC_PRIVATE_DATA *Private,\r |
673 | OUT UINT8 *Slot\r | |
0591696e FT |
674 | )\r |
675 | {\r | |
676 | ASSERT ((Private != NULL) && (Slot != NULL));\r | |
677 | \r | |
678 | //\r | |
679 | // The simplest algo to always use slot 0.\r | |
680 | // TODO: enhance it to support async transfer with multiple slot.\r | |
681 | //\r | |
682 | *Slot = 0;\r | |
683 | \r | |
684 | return EFI_SUCCESS;\r | |
685 | }\r | |
686 | \r | |
0591696e FT |
687 | /**\r |
688 | Start specified slot in transfer list of a UFS device.\r | |
689 | \r | |
690 | @param[in] Private The pointer to the UFS_PEIM_HC_PRIVATE_DATA data structure.\r | |
691 | @param[in] Slot The slot to be started.\r | |
692 | \r | |
693 | **/\r | |
694 | VOID\r | |
695 | UfsStartExecCmd (\r | |
1436aea4 MK |
696 | IN UFS_PEIM_HC_PRIVATE_DATA *Private,\r |
697 | IN UINT8 Slot\r | |
d1102dba | 698 | )\r |
0591696e | 699 | {\r |
1436aea4 MK |
700 | UINTN UfsHcBase;\r |
701 | UINTN Address;\r | |
702 | UINT32 Data;\r | |
0591696e FT |
703 | \r |
704 | UfsHcBase = Private->UfsHcBase;\r | |
705 | \r | |
d1102dba | 706 | Address = UfsHcBase + UFS_HC_UTRLRSR_OFFSET;\r |
0591696e FT |
707 | Data = MmioRead32 (Address);\r |
708 | if ((Data & UFS_HC_UTRLRSR) != UFS_HC_UTRLRSR) {\r | |
709 | MmioWrite32 (Address, UFS_HC_UTRLRSR);\r | |
710 | }\r | |
711 | \r | |
712 | Address = UfsHcBase + UFS_HC_UTRLDBR_OFFSET;\r | |
713 | MmioWrite32 (Address, BIT0 << Slot);\r | |
714 | }\r | |
715 | \r | |
716 | /**\r | |
717 | Stop specified slot in transfer list of a UFS device.\r | |
718 | \r | |
719 | @param[in] Private The pointer to the UFS_PEIM_HC_PRIVATE_DATA data structure.\r | |
720 | @param[in] Slot The slot to be stop.\r | |
721 | \r | |
722 | **/\r | |
723 | VOID\r | |
724 | UfsStopExecCmd (\r | |
1436aea4 MK |
725 | IN UFS_PEIM_HC_PRIVATE_DATA *Private,\r |
726 | IN UINT8 Slot\r | |
d1102dba | 727 | )\r |
0591696e | 728 | {\r |
1436aea4 MK |
729 | UINTN UfsHcBase;\r |
730 | UINTN Address;\r | |
731 | UINT32 Data;\r | |
0591696e FT |
732 | \r |
733 | UfsHcBase = Private->UfsHcBase;\r | |
734 | \r | |
d1102dba | 735 | Address = UfsHcBase + UFS_HC_UTRLDBR_OFFSET;\r |
0591696e FT |
736 | Data = MmioRead32 (Address);\r |
737 | if ((Data & (BIT0 << Slot)) != 0) {\r | |
d1102dba | 738 | Address = UfsHcBase + UFS_HC_UTRLCLR_OFFSET;\r |
0591696e FT |
739 | Data = MmioRead32 (Address);\r |
740 | MmioWrite32 (Address, (Data & ~(BIT0 << Slot)));\r | |
741 | }\r | |
742 | }\r | |
743 | \r | |
744 | /**\r | |
45920941 | 745 | Extracts return data from query response upiu.\r |
0591696e | 746 | \r |
45920941 KV |
747 | @param[in, out] Packet Pointer to the UFS_DEVICE_MANAGEMENT_REQUEST_PACKET.\r |
748 | @param[in] QueryResp Pointer to the query response.\r | |
0591696e | 749 | \r |
45920941 KV |
750 | @retval EFI_INVALID_PARAMETER Packet or QueryResp are empty or opcode is invalid.\r |
751 | @retval EFI_DEVICE_ERROR Data returned from device is invalid.\r | |
752 | @retval EFI_SUCCESS Data extracted.\r | |
0591696e FT |
753 | \r |
754 | **/\r | |
755 | EFI_STATUS\r | |
45920941 KV |
756 | UfsGetReturnDataFromQueryResponse (\r |
757 | IN OUT UFS_DEVICE_MANAGEMENT_REQUEST_PACKET *Packet,\r | |
758 | IN UTP_QUERY_RESP_UPIU *QueryResp\r | |
0591696e FT |
759 | )\r |
760 | {\r | |
45920941 | 761 | UINT16 ReturnDataSize;\r |
0591696e | 762 | \r |
45920941 | 763 | ReturnDataSize = 0;\r |
0591696e | 764 | \r |
45920941 KV |
765 | if ((Packet == NULL) || (QueryResp == NULL)) {\r |
766 | return EFI_INVALID_PARAMETER;\r | |
0591696e | 767 | }\r |
1436aea4 | 768 | \r |
45920941 KV |
769 | switch (Packet->Opcode) {\r |
770 | case UtpQueryFuncOpcodeRdDesc:\r | |
771 | ReturnDataSize = QueryResp->Tsf.Length;\r | |
772 | SwapLittleEndianToBigEndian ((UINT8 *)&ReturnDataSize, sizeof (UINT16));\r | |
773 | //\r | |
774 | // Make sure the hardware device does not return more data than expected.\r | |
775 | //\r | |
776 | if (ReturnDataSize > Packet->InTransferLength) {\r | |
777 | return EFI_DEVICE_ERROR;\r | |
778 | }\r | |
779 | \r | |
780 | CopyMem (Packet->InDataBuffer, (QueryResp + 1), ReturnDataSize);\r | |
781 | Packet->InTransferLength = ReturnDataSize;\r | |
782 | break;\r | |
783 | case UtpQueryFuncOpcodeWrDesc:\r | |
784 | ReturnDataSize = QueryResp->Tsf.Length;\r | |
785 | SwapLittleEndianToBigEndian ((UINT8 *)&ReturnDataSize, sizeof (UINT16));\r | |
786 | Packet->OutTransferLength = ReturnDataSize;\r | |
787 | break;\r | |
788 | case UtpQueryFuncOpcodeRdFlag:\r | |
789 | //\r | |
790 | // The 'FLAG VALUE' field is at byte offset 3 of QueryResp->Tsf.Value\r | |
791 | //\r | |
792 | *((UINT8 *)(Packet->InDataBuffer)) = *((UINT8 *)&(QueryResp->Tsf.Value) + 3);\r | |
793 | break;\r | |
794 | case UtpQueryFuncOpcodeSetFlag:\r | |
795 | case UtpQueryFuncOpcodeClrFlag:\r | |
796 | case UtpQueryFuncOpcodeTogFlag:\r | |
797 | //\r | |
798 | // The 'FLAG VALUE' field is at byte offset 3 of QueryResp->Tsf.Value\r | |
799 | //\r | |
800 | *((UINT8 *)(Packet->OutDataBuffer)) = *((UINT8 *)&(QueryResp->Tsf.Value) + 3);\r | |
801 | break;\r | |
802 | default:\r | |
803 | return EFI_INVALID_PARAMETER;\r | |
804 | }\r | |
805 | \r | |
806 | return EFI_SUCCESS;\r | |
807 | }\r | |
808 | \r | |
809 | /**\r | |
810 | Creates Transfer Request descriptor and sends Query Request to the device.\r | |
811 | \r | |
812 | @param[in] Private Pointer to the UFS_PEIM_HC_PRIVATE_DATA.\r | |
813 | @param[in, out] Packet Pointer to the UFS_DEVICE_MANAGEMENT_REQUEST_PACKET.\r | |
814 | \r | |
815 | @retval EFI_SUCCESS The device descriptor was read/written successfully.\r | |
816 | @retval EFI_INVALID_PARAMETER The DescId, Index and Selector fields in Packet are invalid\r | |
817 | combination to point to a type of UFS device descriptor.\r | |
818 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to r/w the device descriptor.\r | |
819 | @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of r/w the device descriptor.\r | |
820 | \r | |
821 | **/\r | |
822 | EFI_STATUS\r | |
823 | UfsSendDmRequestRetry (\r | |
824 | IN UFS_PEIM_HC_PRIVATE_DATA *Private,\r | |
825 | IN OUT UFS_DEVICE_MANAGEMENT_REQUEST_PACKET *Packet\r | |
826 | )\r | |
827 | {\r | |
828 | UINT8 Slot;\r | |
829 | EFI_STATUS Status;\r | |
830 | UTP_TRD *Trd;\r | |
831 | UINTN Address;\r | |
832 | UTP_QUERY_RESP_UPIU *QueryResp;\r | |
833 | UINT8 *CmdDescBase;\r | |
834 | UINT32 CmdDescSize;\r | |
0591696e FT |
835 | \r |
836 | //\r | |
837 | // Find out which slot of transfer request list is available.\r | |
838 | //\r | |
839 | Status = UfsFindAvailableSlotInTrl (Private, &Slot);\r | |
840 | if (EFI_ERROR (Status)) {\r | |
841 | return Status;\r | |
842 | }\r | |
d1102dba | 843 | \r |
1436aea4 | 844 | Trd = ((UTP_TRD *)Private->UtpTrlBase) + Slot;\r |
0591696e FT |
845 | //\r |
846 | // Fill transfer request descriptor to this slot.\r | |
847 | //\r | |
45920941 | 848 | Status = UfsCreateDMCommandDesc (Private, Packet, Trd);\r |
0591696e | 849 | if (EFI_ERROR (Status)) {\r |
45920941 | 850 | DEBUG ((DEBUG_ERROR, "Failed to create DM command descriptor\n"));\r |
0591696e FT |
851 | return Status;\r |
852 | }\r | |
853 | \r | |
854 | //\r | |
855 | // Check the transfer request result.\r | |
856 | //\r | |
857 | CmdDescBase = (UINT8 *)(UINTN)(LShiftU64 ((UINT64)Trd->UcdBaU, 32) | LShiftU64 ((UINT64)Trd->UcdBa, 7));\r | |
1436aea4 | 858 | QueryResp = (UTP_QUERY_RESP_UPIU *)(CmdDescBase + Trd->RuO * sizeof (UINT32));\r |
0591696e FT |
859 | CmdDescSize = Trd->RuO * sizeof (UINT32) + Trd->RuL * sizeof (UINT32);\r |
860 | \r | |
861 | //\r | |
862 | // Start to execute the transfer request.\r | |
863 | //\r | |
864 | UfsStartExecCmd (Private, Slot);\r | |
865 | \r | |
866 | //\r | |
867 | // Wait for the completion of the transfer request.\r | |
d1102dba LG |
868 | //\r |
869 | Address = Private->UfsHcBase + UFS_HC_UTRLDBR_OFFSET;\r | |
45920941 | 870 | Status = UfsWaitMemSet (Address, (BIT0 << Slot), 0, Packet->Timeout);\r |
0591696e FT |
871 | if (EFI_ERROR (Status)) {\r |
872 | goto Exit;\r | |
873 | }\r | |
874 | \r | |
45920941 KV |
875 | if ((Trd->Ocs != 0) || (QueryResp->QueryResp != UfsUtpQueryResponseSuccess)) {\r |
876 | DEBUG ((DEBUG_ERROR, "Failed to send query request, OCS = %X, QueryResp = %X\n", Trd->Ocs, QueryResp->QueryResp));\r | |
0591696e FT |
877 | DumpQueryResponseResult (QueryResp->QueryResp);\r |
878 | Status = EFI_DEVICE_ERROR;\r | |
879 | goto Exit;\r | |
880 | }\r | |
881 | \r | |
45920941 KV |
882 | Status = UfsGetReturnDataFromQueryResponse (Packet, QueryResp);\r |
883 | if (EFI_ERROR (Status)) {\r | |
884 | DEBUG ((DEBUG_ERROR, "Failed to get return data from query response\n"));\r | |
885 | goto Exit;\r | |
886 | }\r | |
0591696e | 887 | \r |
45920941 KV |
888 | Exit:\r |
889 | UfsStopExecCmd (Private, Slot);\r | |
890 | UfsPeimFreeMem (Private->Pool, CmdDescBase, CmdDescSize);\r | |
8894c90d | 891 | \r |
45920941 KV |
892 | return Status;\r |
893 | }\r | |
894 | \r | |
895 | /**\r | |
896 | Sends Query Request to the device. Query is sent until device responds correctly or counter runs out.\r | |
897 | \r | |
898 | @param[in] Private Pointer to the UFS_PEIM_HC_PRIVATE_DATA.\r | |
899 | @param[in, out] Packet Pointer to the UFS_DEVICE_MANAGEMENT_REQUEST_PACKET.\r | |
900 | \r | |
901 | @retval EFI_SUCCESS The device responded correctly to the Query request.\r | |
902 | @retval EFI_INVALID_PARAMETER The DescId, Index and Selector fields in Packet are invalid\r | |
903 | combination to point to a type of UFS device descriptor.\r | |
904 | @retval EFI_DEVICE_ERROR A device error occurred while waiting for the response from the device.\r | |
905 | @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of the operation.\r | |
906 | \r | |
907 | **/\r | |
908 | EFI_STATUS\r | |
909 | UfsSendDmRequest (\r | |
910 | IN UFS_PEIM_HC_PRIVATE_DATA *Private,\r | |
911 | IN OUT UFS_DEVICE_MANAGEMENT_REQUEST_PACKET *Packet\r | |
912 | )\r | |
913 | {\r | |
914 | EFI_STATUS Status;\r | |
915 | UINT8 Retry;\r | |
916 | \r | |
917 | Status = EFI_SUCCESS;\r | |
918 | \r | |
919 | for (Retry = 0; Retry < 5; Retry++) {\r | |
920 | Status = UfsSendDmRequestRetry (Private, Packet);\r | |
921 | if (!EFI_ERROR (Status)) {\r | |
922 | return EFI_SUCCESS;\r | |
0591696e | 923 | }\r |
45920941 KV |
924 | }\r |
925 | \r | |
926 | DEBUG ((DEBUG_ERROR, "Failed to get response from the device after %d retries\n", Retry));\r | |
927 | return Status;\r | |
928 | }\r | |
929 | \r | |
930 | /**\r | |
931 | Read or write specified device descriptor of a UFS device.\r | |
932 | \r | |
933 | @param[in] Private The pointer to the UFS_PEIM_HC_PRIVATE_DATA data structure.\r | |
934 | @param[in] Read The boolean variable to show r/w direction.\r | |
935 | @param[in] DescId The ID of device descriptor.\r | |
936 | @param[in] Index The Index of device descriptor.\r | |
937 | @param[in] Selector The Selector of device descriptor.\r | |
938 | @param[in, out] Descriptor The buffer of device descriptor to be read or written.\r | |
939 | @param[in] DescSize The size of device descriptor buffer.\r | |
940 | \r | |
941 | @retval EFI_SUCCESS The device descriptor was read/written successfully.\r | |
942 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to r/w the device descriptor.\r | |
943 | @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of r/w the device descriptor.\r | |
944 | \r | |
945 | **/\r | |
946 | EFI_STATUS\r | |
947 | UfsRwDeviceDesc (\r | |
948 | IN UFS_PEIM_HC_PRIVATE_DATA *Private,\r | |
949 | IN BOOLEAN Read,\r | |
950 | IN UINT8 DescId,\r | |
951 | IN UINT8 Index,\r | |
952 | IN UINT8 Selector,\r | |
953 | IN OUT VOID *Descriptor,\r | |
954 | IN UINT32 DescSize\r | |
955 | )\r | |
956 | {\r | |
957 | EFI_STATUS Status;\r | |
958 | UFS_DEVICE_MANAGEMENT_REQUEST_PACKET Packet;\r | |
959 | \r | |
960 | ZeroMem (&Packet, sizeof (UFS_DEVICE_MANAGEMENT_REQUEST_PACKET));\r | |
961 | \r | |
962 | if (Read) {\r | |
963 | Packet.DataDirection = UfsDataIn;\r | |
964 | Packet.InDataBuffer = Descriptor;\r | |
965 | Packet.InTransferLength = DescSize;\r | |
966 | Packet.Opcode = UtpQueryFuncOpcodeRdDesc;\r | |
0591696e | 967 | } else {\r |
45920941 KV |
968 | Packet.DataDirection = UfsDataOut;\r |
969 | Packet.OutDataBuffer = Descriptor;\r | |
970 | Packet.OutTransferLength = DescSize;\r | |
971 | Packet.Opcode = UtpQueryFuncOpcodeWrDesc;\r | |
0591696e FT |
972 | }\r |
973 | \r | |
45920941 KV |
974 | Packet.DescId = DescId;\r |
975 | Packet.Index = Index;\r | |
976 | Packet.Selector = Selector;\r | |
977 | Packet.Timeout = UFS_TIMEOUT;\r | |
0591696e | 978 | \r |
45920941 | 979 | Status = UfsSendDmRequest (Private, &Packet);\r |
0591696e FT |
980 | return Status;\r |
981 | }\r | |
982 | \r | |
0591696e FT |
983 | /**\r |
984 | Read or write specified flag of a UFS device.\r | |
985 | \r | |
986 | @param[in] Private The pointer to the UFS_PEIM_HC_PRIVATE_DATA data structure.\r | |
987 | @param[in] Read The boolean variable to show r/w direction.\r | |
988 | @param[in] FlagId The ID of flag to be read or written.\r | |
989 | @param[in, out] Value The value to set or clear flag.\r | |
990 | \r | |
991 | @retval EFI_SUCCESS The flag was read/written successfully.\r | |
992 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to r/w the flag.\r | |
993 | @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of r/w the flag.\r | |
994 | \r | |
995 | **/\r | |
996 | EFI_STATUS\r | |
997 | UfsRwFlags (\r | |
1436aea4 MK |
998 | IN UFS_PEIM_HC_PRIVATE_DATA *Private,\r |
999 | IN BOOLEAN Read,\r | |
1000 | IN UINT8 FlagId,\r | |
1001 | IN OUT UINT8 *Value\r | |
0591696e FT |
1002 | )\r |
1003 | {\r | |
1436aea4 MK |
1004 | EFI_STATUS Status;\r |
1005 | UFS_DEVICE_MANAGEMENT_REQUEST_PACKET Packet;\r | |
0591696e FT |
1006 | \r |
1007 | if (Value == NULL) {\r | |
1008 | return EFI_INVALID_PARAMETER;\r | |
1009 | }\r | |
1010 | \r | |
1011 | ZeroMem (&Packet, sizeof (UFS_DEVICE_MANAGEMENT_REQUEST_PACKET));\r | |
1012 | \r | |
1013 | if (Read) {\r | |
1014 | ASSERT (Value != NULL);\r | |
45920941 KV |
1015 | Packet.DataDirection = UfsDataIn;\r |
1016 | Packet.InDataBuffer = (VOID *)Value;\r | |
1017 | Packet.InTransferLength = 0;\r | |
1018 | Packet.Opcode = UtpQueryFuncOpcodeRdFlag;\r | |
0591696e | 1019 | } else {\r |
45920941 KV |
1020 | Packet.DataDirection = UfsDataOut;\r |
1021 | Packet.OutDataBuffer = (VOID *)Value;\r | |
1022 | Packet.OutTransferLength = 0;\r | |
0591696e | 1023 | if (*Value == 1) {\r |
1436aea4 | 1024 | Packet.Opcode = UtpQueryFuncOpcodeSetFlag;\r |
0591696e | 1025 | } else if (*Value == 0) {\r |
1436aea4 | 1026 | Packet.Opcode = UtpQueryFuncOpcodeClrFlag;\r |
0591696e FT |
1027 | } else {\r |
1028 | return EFI_INVALID_PARAMETER;\r | |
1029 | }\r | |
1030 | }\r | |
1436aea4 MK |
1031 | \r |
1032 | Packet.DescId = FlagId;\r | |
1033 | Packet.Index = 0;\r | |
1034 | Packet.Selector = 0;\r | |
1035 | Packet.Timeout = UFS_TIMEOUT;\r | |
0591696e | 1036 | \r |
45920941 | 1037 | Status = UfsSendDmRequest (Private, &Packet);\r |
0591696e FT |
1038 | \r |
1039 | return Status;\r | |
1040 | }\r | |
1041 | \r | |
1042 | /**\r | |
1043 | Set specified flag to 1 on a UFS device.\r | |
1044 | \r | |
1045 | @param[in] Private The pointer to the UFS_PEIM_HC_PRIVATE_DATA data structure.\r | |
1046 | @param[in] FlagId The ID of flag to be set.\r | |
1047 | \r | |
1048 | @retval EFI_SUCCESS The flag was set successfully.\r | |
1049 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to set the flag.\r | |
1050 | @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of setting the flag.\r | |
1051 | \r | |
1052 | **/\r | |
1053 | EFI_STATUS\r | |
1054 | UfsSetFlag (\r | |
1436aea4 MK |
1055 | IN UFS_PEIM_HC_PRIVATE_DATA *Private,\r |
1056 | IN UINT8 FlagId\r | |
0591696e FT |
1057 | )\r |
1058 | {\r | |
1436aea4 MK |
1059 | EFI_STATUS Status;\r |
1060 | UINT8 Value;\r | |
0591696e FT |
1061 | \r |
1062 | Value = 1;\r | |
1063 | Status = UfsRwFlags (Private, FALSE, FlagId, &Value);\r | |
1064 | \r | |
1065 | return Status;\r | |
1066 | }\r | |
1067 | \r | |
0591696e FT |
1068 | /**\r |
1069 | Sends NOP IN cmd to a UFS device for initialization process request.\r | |
1070 | For more details, please refer to UFS 2.0 spec Figure 13.3.\r | |
1071 | \r | |
1072 | @param[in] Private The pointer to the UFS_PEIM_HC_PRIVATE_DATA data structure.\r | |
1073 | \r | |
1074 | @retval EFI_SUCCESS The NOP IN command was sent by the host. The NOP OUT response was\r | |
1075 | received successfully.\r | |
1076 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to execute NOP IN command.\r | |
1077 | @retval EFI_OUT_OF_RESOURCES The resource for transfer is not available.\r | |
1078 | @retval EFI_TIMEOUT A timeout occurred while waiting for the NOP IN command to execute.\r | |
1079 | \r | |
1080 | **/\r | |
1081 | EFI_STATUS\r | |
1082 | UfsExecNopCmds (\r | |
1436aea4 | 1083 | IN UFS_PEIM_HC_PRIVATE_DATA *Private\r |
0591696e FT |
1084 | )\r |
1085 | {\r | |
1436aea4 MK |
1086 | EFI_STATUS Status;\r |
1087 | UINT8 Slot;\r | |
1088 | UTP_TRD *Trd;\r | |
1089 | UTP_NOP_IN_UPIU *NopInUpiu;\r | |
1090 | UINT8 *CmdDescBase;\r | |
1091 | UINT32 CmdDescSize;\r | |
1092 | UINTN Address;\r | |
0591696e FT |
1093 | \r |
1094 | //\r | |
1095 | // Find out which slot of transfer request list is available.\r | |
1096 | //\r | |
1097 | Status = UfsFindAvailableSlotInTrl (Private, &Slot);\r | |
1098 | if (EFI_ERROR (Status)) {\r | |
1099 | return Status;\r | |
1100 | }\r | |
1101 | \r | |
1436aea4 | 1102 | Trd = ((UTP_TRD *)Private->UtpTrlBase) + Slot;\r |
0591696e FT |
1103 | Status = UfsCreateNopCommandDesc (Private, Trd);\r |
1104 | if (EFI_ERROR (Status)) {\r | |
1105 | return Status;\r | |
1106 | }\r | |
1107 | \r | |
1108 | //\r | |
1109 | // Check the transfer request result.\r | |
1110 | //\r | |
1111 | CmdDescBase = (UINT8 *)(UINTN)(LShiftU64 ((UINT64)Trd->UcdBaU, 32) | LShiftU64 ((UINT64)Trd->UcdBa, 7));\r | |
1436aea4 | 1112 | NopInUpiu = (UTP_NOP_IN_UPIU *)(CmdDescBase + Trd->RuO * sizeof (UINT32));\r |
0591696e FT |
1113 | CmdDescSize = Trd->RuO * sizeof (UINT32) + Trd->RuL * sizeof (UINT32);\r |
1114 | \r | |
1115 | //\r | |
1116 | // Start to execute the transfer request.\r | |
1117 | //\r | |
1118 | UfsStartExecCmd (Private, Slot);\r | |
1119 | \r | |
1120 | //\r | |
1121 | // Wait for the completion of the transfer request.\r | |
d1102dba LG |
1122 | //\r |
1123 | Address = Private->UfsHcBase + UFS_HC_UTRLDBR_OFFSET;\r | |
1436aea4 | 1124 | Status = UfsWaitMemSet (Address, BIT0 << Slot, 0, UFS_TIMEOUT);\r |
0591696e FT |
1125 | if (EFI_ERROR (Status)) {\r |
1126 | goto Exit;\r | |
1127 | }\r | |
1128 | \r | |
1129 | if (NopInUpiu->Resp != 0) {\r | |
1130 | Status = EFI_DEVICE_ERROR;\r | |
1131 | } else {\r | |
1132 | Status = EFI_SUCCESS;\r | |
1133 | }\r | |
1134 | \r | |
1135 | Exit:\r | |
1136 | UfsStopExecCmd (Private, Slot);\r | |
1137 | UfsPeimFreeMem (Private->Pool, CmdDescBase, CmdDescSize);\r | |
1138 | \r | |
1139 | return Status;\r | |
1140 | }\r | |
1141 | \r | |
1142 | /**\r | |
1143 | Sends a UFS-supported SCSI Request Packet to a UFS device that is attached to the UFS host controller.\r | |
1144 | \r | |
1145 | @param[in] Private The pointer to the UFS_PEIM_HC_PRIVATE_DATA data structure.\r | |
1146 | @param[in] Lun The LUN of the UFS device to send the SCSI Request Packet.\r | |
1147 | @param[in, out] Packet A pointer to the SCSI Request Packet to send to a specified Lun of the\r | |
1148 | UFS device.\r | |
1149 | \r | |
1150 | @retval EFI_SUCCESS The SCSI Request Packet was sent by the host. For bi-directional\r | |
1151 | commands, InTransferLength bytes were transferred from\r | |
1152 | InDataBuffer. For write and bi-directional commands,\r | |
1153 | OutTransferLength bytes were transferred by\r | |
1154 | OutDataBuffer.\r | |
1155 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to send the SCSI Request\r | |
1156 | Packet.\r | |
1157 | @retval EFI_OUT_OF_RESOURCES The resource for transfer is not available.\r | |
1158 | @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute.\r | |
1159 | \r | |
1160 | **/\r | |
1161 | EFI_STATUS\r | |
1162 | UfsExecScsiCmds (\r | |
1436aea4 MK |
1163 | IN UFS_PEIM_HC_PRIVATE_DATA *Private,\r |
1164 | IN UINT8 Lun,\r | |
1165 | IN OUT UFS_SCSI_REQUEST_PACKET *Packet\r | |
0591696e FT |
1166 | )\r |
1167 | {\r | |
1436aea4 MK |
1168 | EFI_STATUS Status;\r |
1169 | UINT8 Slot;\r | |
1170 | UTP_TRD *Trd;\r | |
1171 | UINTN Address;\r | |
1172 | UINT8 *CmdDescBase;\r | |
1173 | UINT32 CmdDescSize;\r | |
1174 | UTP_RESPONSE_UPIU *Response;\r | |
1175 | UINT16 SenseDataLen;\r | |
1176 | UINT32 ResTranCount;\r | |
1177 | VOID *PacketBufferMap;\r | |
0591696e FT |
1178 | \r |
1179 | //\r | |
1180 | // Find out which slot of transfer request list is available.\r | |
1181 | //\r | |
1182 | Status = UfsFindAvailableSlotInTrl (Private, &Slot);\r | |
1183 | if (EFI_ERROR (Status)) {\r | |
1184 | return Status;\r | |
1185 | }\r | |
1186 | \r | |
1436aea4 | 1187 | Trd = ((UTP_TRD *)Private->UtpTrlBase) + Slot;\r |
44a0857e | 1188 | PacketBufferMap = NULL;\r |
0591696e FT |
1189 | \r |
1190 | //\r | |
1191 | // Fill transfer request descriptor to this slot.\r | |
1192 | //\r | |
44a0857e | 1193 | Status = UfsCreateScsiCommandDesc (Private, Lun, Packet, Trd, &PacketBufferMap);\r |
0591696e FT |
1194 | if (EFI_ERROR (Status)) {\r |
1195 | return Status;\r | |
1196 | }\r | |
1197 | \r | |
1436aea4 | 1198 | CmdDescBase = (UINT8 *)(UINTN)(LShiftU64 ((UINT64)Trd->UcdBaU, 32) | LShiftU64 ((UINT64)Trd->UcdBa, 7));\r |
0591696e FT |
1199 | CmdDescSize = Trd->PrdtO * sizeof (UINT32) + Trd->PrdtL * sizeof (UTP_TR_PRD);\r |
1200 | \r | |
1201 | //\r | |
1202 | // Start to execute the transfer request.\r | |
1203 | //\r | |
1204 | UfsStartExecCmd (Private, Slot);\r | |
1205 | \r | |
1206 | //\r | |
1207 | // Wait for the completion of the transfer request.\r | |
d1102dba LG |
1208 | //\r |
1209 | Address = Private->UfsHcBase + UFS_HC_UTRLDBR_OFFSET;\r | |
1436aea4 | 1210 | Status = UfsWaitMemSet (Address, BIT0 << Slot, 0, Packet->Timeout);\r |
0591696e FT |
1211 | if (EFI_ERROR (Status)) {\r |
1212 | goto Exit;\r | |
1213 | }\r | |
1214 | \r | |
1215 | //\r | |
1216 | // Get sense data if exists\r | |
1217 | //\r | |
1436aea4 | 1218 | Response = (UTP_RESPONSE_UPIU *)(CmdDescBase + Trd->RuO * sizeof (UINT32));\r |
0591696e | 1219 | SenseDataLen = Response->SenseDataLen;\r |
1436aea4 | 1220 | SwapLittleEndianToBigEndian ((UINT8 *)&SenseDataLen, sizeof (UINT16));\r |
d1102dba | 1221 | \r |
0591696e | 1222 | if ((Packet->SenseDataLength != 0) && (Packet->SenseData != NULL)) {\r |
8894c90d HW |
1223 | //\r |
1224 | // Make sure the hardware device does not return more data than expected.\r | |
1225 | //\r | |
1226 | if (SenseDataLen <= Packet->SenseDataLength) {\r | |
1227 | CopyMem (Packet->SenseData, Response->SenseData, SenseDataLen);\r | |
1228 | Packet->SenseDataLength = (UINT8)SenseDataLen;\r | |
1229 | } else {\r | |
1230 | Packet->SenseDataLength = 0;\r | |
1231 | }\r | |
0591696e FT |
1232 | }\r |
1233 | \r | |
1234 | //\r | |
1235 | // Check the transfer request result.\r | |
1236 | //\r | |
1237 | if (Response->Response != 0) {\r | |
87000d77 | 1238 | DEBUG ((DEBUG_ERROR, "UfsExecScsiCmds() fails with Target Failure\n"));\r |
0591696e FT |
1239 | Status = EFI_DEVICE_ERROR;\r |
1240 | goto Exit;\r | |
1241 | }\r | |
1242 | \r | |
1243 | if (Trd->Ocs == 0) {\r | |
1244 | if (Packet->DataDirection == UfsDataIn) {\r | |
1245 | if ((Response->Flags & BIT5) == BIT5) {\r | |
1246 | ResTranCount = Response->ResTranCount;\r | |
1436aea4 | 1247 | SwapLittleEndianToBigEndian ((UINT8 *)&ResTranCount, sizeof (UINT32));\r |
0591696e FT |
1248 | Packet->InTransferLength -= ResTranCount;\r |
1249 | }\r | |
1250 | } else if (Packet->DataDirection == UfsDataOut) {\r | |
1251 | if ((Response->Flags & BIT5) == BIT5) {\r | |
1252 | ResTranCount = Response->ResTranCount;\r | |
1436aea4 | 1253 | SwapLittleEndianToBigEndian ((UINT8 *)&ResTranCount, sizeof (UINT32));\r |
0591696e FT |
1254 | Packet->OutTransferLength -= ResTranCount;\r |
1255 | }\r | |
1256 | }\r | |
1257 | } else {\r | |
1258 | Status = EFI_DEVICE_ERROR;\r | |
1259 | }\r | |
1260 | \r | |
1261 | Exit:\r | |
44a0857e HW |
1262 | if (PacketBufferMap != NULL) {\r |
1263 | IoMmuUnmap (PacketBufferMap);\r | |
1264 | }\r | |
1436aea4 | 1265 | \r |
0591696e FT |
1266 | UfsStopExecCmd (Private, Slot);\r |
1267 | UfsPeimFreeMem (Private->Pool, CmdDescBase, CmdDescSize);\r | |
1268 | \r | |
1269 | return Status;\r | |
1270 | }\r | |
1271 | \r | |
0591696e FT |
1272 | /**\r |
1273 | Sent UIC DME_LINKSTARTUP command to start the link startup procedure.\r | |
1274 | \r | |
1275 | @param[in] Private The pointer to the UFS_PEIM_HC_PRIVATE_DATA data structure.\r | |
1276 | @param[in] UicOpcode The opcode of the UIC command.\r | |
1277 | @param[in] Arg1 The value for 1st argument of the UIC command.\r | |
1278 | @param[in] Arg2 The value for 2nd argument of the UIC command.\r | |
1279 | @param[in] Arg3 The value for 3rd argument of the UIC command.\r | |
1280 | \r | |
1281 | @return EFI_SUCCESS Successfully execute this UIC command and detect attached UFS device.\r | |
1282 | @return EFI_DEVICE_ERROR Fail to execute this UIC command and detect attached UFS device.\r | |
1283 | @return EFI_NOT_FOUND The presence of the UFS device isn't detected.\r | |
1284 | \r | |
1285 | **/\r | |
1286 | EFI_STATUS\r | |
1287 | UfsExecUicCommands (\r | |
1436aea4 MK |
1288 | IN UFS_PEIM_HC_PRIVATE_DATA *Private,\r |
1289 | IN UINT8 UicOpcode,\r | |
1290 | IN UINT32 Arg1,\r | |
1291 | IN UINT32 Arg2,\r | |
1292 | IN UINT32 Arg3\r | |
0591696e FT |
1293 | )\r |
1294 | {\r | |
1295 | EFI_STATUS Status;\r | |
1296 | UINTN Address;\r | |
1297 | UINT32 Data;\r | |
1298 | UINTN UfsHcBase;\r | |
1299 | \r | |
1300 | UfsHcBase = Private->UfsHcBase;\r | |
1301 | Address = UfsHcBase + UFS_HC_IS_OFFSET;\r | |
1302 | Data = MmioRead32 (Address);\r | |
1303 | if ((Data & UFS_HC_IS_UCCS) == UFS_HC_IS_UCCS) {\r | |
1304 | //\r | |
1305 | // Clear IS.BIT10 UIC Command Completion Status (UCCS) at first.\r | |
1306 | //\r | |
1307 | MmioWrite32 (Address, Data);\r | |
1308 | }\r | |
1309 | \r | |
1310 | //\r | |
1311 | // When programming UIC command registers, host software shall set the register UICCMD\r | |
1312 | // only after all the UIC command argument registers (UICCMDARG1, UICCMDARG2 and UICCMDARG3)\r | |
1313 | // are set.\r | |
1314 | //\r | |
1315 | Address = UfsHcBase + UFS_HC_UCMD_ARG1_OFFSET;\r | |
1316 | MmioWrite32 (Address, Arg1);\r | |
1317 | \r | |
1318 | Address = UfsHcBase + UFS_HC_UCMD_ARG2_OFFSET;\r | |
1319 | MmioWrite32 (Address, Arg2);\r | |
1320 | \r | |
1321 | Address = UfsHcBase + UFS_HC_UCMD_ARG3_OFFSET;\r | |
1322 | MmioWrite32 (Address, Arg3);\r | |
1323 | \r | |
1324 | //\r | |
1325 | // Host software shall only set the UICCMD if HCS.UCRDY is set to 1.\r | |
1326 | //\r | |
1327 | Address = Private->UfsHcBase + UFS_HC_STATUS_OFFSET;\r | |
1436aea4 | 1328 | Status = UfsWaitMemSet (Address, UFS_HC_HCS_UCRDY, UFS_HC_HCS_UCRDY, UFS_TIMEOUT);\r |
0591696e FT |
1329 | if (EFI_ERROR (Status)) {\r |
1330 | return Status;\r | |
1331 | }\r | |
1332 | \r | |
1333 | Address = UfsHcBase + UFS_HC_UIC_CMD_OFFSET;\r | |
1334 | MmioWrite32 (Address, (UINT32)UicOpcode);\r | |
1335 | \r | |
1336 | //\r | |
1337 | // UFS 2.0 spec section 5.3.1 Offset:0x20 IS.Bit10 UIC Command Completion Status (UCCS)\r | |
d1102dba | 1338 | // This bit is set to '1' by the host controller upon completion of a UIC command.\r |
0591696e FT |
1339 | //\r |
1340 | Address = UfsHcBase + UFS_HC_IS_OFFSET;\r | |
1341 | Data = MmioRead32 (Address);\r | |
1342 | Status = UfsWaitMemSet (Address, UFS_HC_IS_UCCS, UFS_HC_IS_UCCS, UFS_TIMEOUT);\r | |
1343 | if (EFI_ERROR (Status)) {\r | |
1344 | return Status;\r | |
1345 | }\r | |
1346 | \r | |
1347 | if (UicOpcode != UfsUicDmeReset) {\r | |
1348 | Address = UfsHcBase + UFS_HC_UCMD_ARG2_OFFSET;\r | |
1349 | Data = MmioRead32 (Address);\r | |
1350 | if ((Data & 0xFF) != 0) {\r | |
1436aea4 MK |
1351 | DEBUG_CODE_BEGIN ();\r |
1352 | DumpUicCmdExecResult (UicOpcode, (UINT8)(Data & 0xFF));\r | |
1353 | DEBUG_CODE_END ();\r | |
0591696e FT |
1354 | return EFI_DEVICE_ERROR;\r |
1355 | }\r | |
1356 | }\r | |
1357 | \r | |
0591696e FT |
1358 | return EFI_SUCCESS;\r |
1359 | }\r | |
1360 | \r | |
1361 | /**\r | |
1362 | Enable the UFS host controller for accessing.\r | |
1363 | \r | |
1364 | @param[in] Private The pointer to the UFS_PEIM_HC_PRIVATE_DATA data structure.\r | |
1365 | \r | |
1366 | @retval EFI_SUCCESS The UFS host controller enabling was executed successfully.\r | |
1367 | @retval EFI_DEVICE_ERROR A device error occurred while enabling the UFS host controller.\r | |
1368 | \r | |
1369 | **/\r | |
1370 | EFI_STATUS\r | |
1371 | UfsEnableHostController (\r | |
1436aea4 | 1372 | IN UFS_PEIM_HC_PRIVATE_DATA *Private\r |
0591696e FT |
1373 | )\r |
1374 | {\r | |
1436aea4 MK |
1375 | EFI_STATUS Status;\r |
1376 | UINTN Address;\r | |
1377 | UINT32 Data;\r | |
0591696e FT |
1378 | \r |
1379 | //\r | |
1380 | // UFS 2.0 spec section 7.1.1 - Host Controller Initialization\r | |
1381 | //\r | |
1382 | // Reinitialize the UFS host controller if HCE bit of HC register is set.\r | |
1383 | //\r | |
1384 | Address = Private->UfsHcBase + UFS_HC_ENABLE_OFFSET;\r | |
1385 | Data = MmioRead32 (Address);\r | |
1386 | if ((Data & UFS_HC_HCE_EN) == UFS_HC_HCE_EN) {\r | |
1387 | //\r | |
1388 | // Write a 0 to the HCE register at first to disable the host controller.\r | |
1389 | //\r | |
1390 | MmioWrite32 (Address, 0);\r | |
1391 | //\r | |
1392 | // Wait until HCE is read as '0' before continuing.\r | |
1393 | //\r | |
1394 | Status = UfsWaitMemSet (Address, UFS_HC_HCE_EN, 0, UFS_TIMEOUT);\r | |
1395 | if (EFI_ERROR (Status)) {\r | |
1396 | return EFI_DEVICE_ERROR;\r | |
1397 | }\r | |
1398 | }\r | |
1399 | \r | |
1400 | //\r | |
1401 | // Write a 1 to the HCE register to enable the UFS host controller.\r | |
1402 | //\r | |
1403 | MmioWrite32 (Address, UFS_HC_HCE_EN);\r | |
1404 | //\r | |
1405 | // Wait until HCE is read as '1' before continuing.\r | |
1406 | //\r | |
1407 | Status = UfsWaitMemSet (Address, UFS_HC_HCE_EN, UFS_HC_HCE_EN, UFS_TIMEOUT);\r | |
1408 | if (EFI_ERROR (Status)) {\r | |
1409 | return EFI_DEVICE_ERROR;\r | |
1410 | }\r | |
1411 | \r | |
1412 | return EFI_SUCCESS;\r | |
1413 | }\r | |
1414 | \r | |
1415 | /**\r | |
1416 | Detect if a UFS device attached.\r | |
1417 | \r | |
1418 | @param[in] Private The pointer to the UFS_PEIM_HC_PRIVATE_DATA data structure.\r | |
1419 | \r | |
1420 | @retval EFI_SUCCESS The UFS device detection was executed successfully.\r | |
1421 | @retval EFI_NOT_FOUND Not found a UFS device attached.\r | |
1422 | @retval EFI_DEVICE_ERROR A device error occurred while detecting the UFS device.\r | |
1423 | \r | |
1424 | **/\r | |
1425 | EFI_STATUS\r | |
1426 | UfsDeviceDetection (\r | |
1436aea4 | 1427 | IN UFS_PEIM_HC_PRIVATE_DATA *Private\r |
0591696e FT |
1428 | )\r |
1429 | {\r | |
1436aea4 | 1430 | UINTN Retry;\r |
13d9e8ec KV |
1431 | UINTN Address;\r |
1432 | UINT32 Data;\r | |
1436aea4 | 1433 | EFI_STATUS Status;\r |
0591696e FT |
1434 | \r |
1435 | //\r | |
1436 | // Start UFS device detection.\r | |
1437 | // Try up to 3 times for establishing data link with device.\r | |
1438 | //\r | |
1439 | for (Retry = 0; Retry < 3; Retry++) {\r | |
1440 | Status = UfsExecUicCommands (Private, UfsUicDmeLinkStartup, 0, 0, 0);\r | |
13d9e8ec KV |
1441 | if (EFI_ERROR (Status)) {\r |
1442 | return EFI_DEVICE_ERROR;\r | |
0591696e FT |
1443 | }\r |
1444 | \r | |
13d9e8ec KV |
1445 | //\r |
1446 | // Check value of HCS.DP and make sure that there is a device attached to the Link\r | |
1447 | //\r | |
1448 | Address = Private->UfsHcBase + UFS_HC_STATUS_OFFSET;\r | |
1449 | Data = MmioRead32 (Address);\r | |
1450 | if ((Data & UFS_HC_HCS_DP) == 0) {\r | |
1451 | Address = Private->UfsHcBase + UFS_HC_IS_OFFSET;\r | |
1452 | Status = UfsWaitMemSet (Address, UFS_HC_IS_ULSS, UFS_HC_IS_ULSS, UFS_TIMEOUT);\r | |
1453 | if (EFI_ERROR (Status)) {\r | |
1454 | return EFI_DEVICE_ERROR;\r | |
1455 | }\r | |
1456 | } else {\r | |
1457 | DEBUG ((DEBUG_INFO, "UfsblockioPei: found a attached UFS device\n"));\r | |
1458 | return EFI_SUCCESS;\r | |
0591696e | 1459 | }\r |
0591696e FT |
1460 | }\r |
1461 | \r | |
13d9e8ec | 1462 | return EFI_NOT_FOUND;\r |
0591696e FT |
1463 | }\r |
1464 | \r | |
1465 | /**\r | |
1466 | Initialize UFS task management request list related h/w context.\r | |
1467 | \r | |
1468 | @param[in] Private The pointer to the UFS_PEIM_HC_PRIVATE_DATA data structure.\r | |
1469 | \r | |
1470 | @retval EFI_SUCCESS The UFS task management list was initialzed successfully.\r | |
1471 | @retval EFI_DEVICE_ERROR The initialization fails.\r | |
1472 | \r | |
1473 | **/\r | |
1474 | EFI_STATUS\r | |
1475 | UfsInitTaskManagementRequestList (\r | |
1436aea4 | 1476 | IN UFS_PEIM_HC_PRIVATE_DATA *Private\r |
0591696e FT |
1477 | )\r |
1478 | {\r | |
1436aea4 MK |
1479 | UINTN Address;\r |
1480 | UINT32 Data;\r | |
1481 | UINT8 Nutmrs;\r | |
1482 | VOID *CmdDescHost;\r | |
1483 | EFI_PHYSICAL_ADDRESS CmdDescPhyAddr;\r | |
1484 | VOID *CmdDescMapping;\r | |
1485 | EFI_STATUS Status;\r | |
d1102dba | 1486 | \r |
0591696e FT |
1487 | //\r |
1488 | // Initial h/w and s/w context for future operations.\r | |
1489 | //\r | |
1436aea4 MK |
1490 | Address = Private->UfsHcBase + UFS_HC_CAP_OFFSET;\r |
1491 | Data = MmioRead32 (Address);\r | |
0591696e FT |
1492 | Private->Capabilities = Data;\r |
1493 | \r | |
1494 | //\r | |
1495 | // Allocate and initialize UTP Task Management Request List.\r | |
1496 | //\r | |
1436aea4 | 1497 | Nutmrs = (UINT8)(RShiftU64 ((Private->Capabilities & UFS_HC_CAP_NUTMRS), 16) + 1);\r |
44a0857e | 1498 | Status = IoMmuAllocateBuffer (\r |
0591696e | 1499 | EFI_SIZE_TO_PAGES (Nutmrs * sizeof (UTP_TMRD)),\r |
44a0857e HW |
1500 | &CmdDescHost,\r |
1501 | &CmdDescPhyAddr,\r | |
1502 | &CmdDescMapping\r | |
0591696e | 1503 | );\r |
0591696e FT |
1504 | if (EFI_ERROR (Status)) {\r |
1505 | return EFI_DEVICE_ERROR;\r | |
1506 | }\r | |
1507 | \r | |
44a0857e | 1508 | ZeroMem (CmdDescHost, EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (Nutmrs * sizeof (UTP_TMRD))));\r |
0591696e FT |
1509 | \r |
1510 | //\r | |
1511 | // Program the UTP Task Management Request List Base Address and UTP Task Management\r | |
1512 | // Request List Base Address with a 64-bit address allocated at step 6.\r | |
1513 | //\r | |
d1102dba | 1514 | Address = Private->UfsHcBase + UFS_HC_UTMRLBA_OFFSET;\r |
44a0857e | 1515 | MmioWrite32 (Address, (UINT32)(UINTN)CmdDescPhyAddr);\r |
d1102dba | 1516 | Address = Private->UfsHcBase + UFS_HC_UTMRLBAU_OFFSET;\r |
44a0857e | 1517 | MmioWrite32 (Address, (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 32));\r |
1436aea4 | 1518 | Private->UtpTmrlBase = (VOID *)(UINTN)CmdDescHost;\r |
0591696e | 1519 | Private->Nutmrs = Nutmrs;\r |
44a0857e | 1520 | Private->TmrlMapping = CmdDescMapping;\r |
0591696e FT |
1521 | \r |
1522 | //\r | |
1523 | // Enable the UTP Task Management Request List by setting the UTP Task Management\r | |
1524 | // Request List RunStop Register (UTMRLRSR) to '1'.\r | |
1525 | //\r | |
d1102dba | 1526 | Address = Private->UfsHcBase + UFS_HC_UTMRLRSR_OFFSET;\r |
0591696e FT |
1527 | MmioWrite32 (Address, UFS_HC_UTMRLRSR);\r |
1528 | \r | |
1529 | return EFI_SUCCESS;\r | |
1530 | }\r | |
1531 | \r | |
1532 | /**\r | |
1533 | Initialize UFS transfer request list related h/w context.\r | |
1534 | \r | |
1535 | @param[in] Private The pointer to the UFS_PEIM_HC_PRIVATE_DATA data structure.\r | |
1536 | \r | |
1537 | @retval EFI_SUCCESS The UFS transfer list was initialzed successfully.\r | |
1538 | @retval EFI_DEVICE_ERROR The initialization fails.\r | |
1539 | \r | |
1540 | **/\r | |
1541 | EFI_STATUS\r | |
1542 | UfsInitTransferRequestList (\r | |
1436aea4 | 1543 | IN UFS_PEIM_HC_PRIVATE_DATA *Private\r |
0591696e FT |
1544 | )\r |
1545 | {\r | |
1436aea4 MK |
1546 | UINTN Address;\r |
1547 | UINT32 Data;\r | |
1548 | UINT8 Nutrs;\r | |
1549 | VOID *CmdDescHost;\r | |
1550 | EFI_PHYSICAL_ADDRESS CmdDescPhyAddr;\r | |
1551 | VOID *CmdDescMapping;\r | |
1552 | EFI_STATUS Status;\r | |
d1102dba | 1553 | \r |
0591696e FT |
1554 | //\r |
1555 | // Initial h/w and s/w context for future operations.\r | |
1556 | //\r | |
1436aea4 MK |
1557 | Address = Private->UfsHcBase + UFS_HC_CAP_OFFSET;\r |
1558 | Data = MmioRead32 (Address);\r | |
0591696e FT |
1559 | Private->Capabilities = Data;\r |
1560 | \r | |
1561 | //\r | |
1562 | // Allocate and initialize UTP Transfer Request List.\r | |
1563 | //\r | |
1564 | Nutrs = (UINT8)((Private->Capabilities & UFS_HC_CAP_NUTRS) + 1);\r | |
44a0857e | 1565 | Status = IoMmuAllocateBuffer (\r |
0591696e | 1566 | EFI_SIZE_TO_PAGES (Nutrs * sizeof (UTP_TRD)),\r |
44a0857e HW |
1567 | &CmdDescHost,\r |
1568 | &CmdDescPhyAddr,\r | |
1569 | &CmdDescMapping\r | |
0591696e | 1570 | );\r |
0591696e FT |
1571 | if (EFI_ERROR (Status)) {\r |
1572 | return EFI_DEVICE_ERROR;\r | |
1573 | }\r | |
1574 | \r | |
44a0857e | 1575 | ZeroMem (CmdDescHost, EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (Nutrs * sizeof (UTP_TRD))));\r |
0591696e FT |
1576 | \r |
1577 | //\r | |
1578 | // Program the UTP Transfer Request List Base Address and UTP Transfer Request List\r | |
1579 | // Base Address with a 64-bit address allocated at step 8.\r | |
1580 | //\r | |
d1102dba | 1581 | Address = Private->UfsHcBase + UFS_HC_UTRLBA_OFFSET;\r |
44a0857e | 1582 | MmioWrite32 (Address, (UINT32)(UINTN)CmdDescPhyAddr);\r |
d1102dba | 1583 | Address = Private->UfsHcBase + UFS_HC_UTRLBAU_OFFSET;\r |
44a0857e | 1584 | MmioWrite32 (Address, (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 32));\r |
1436aea4 | 1585 | Private->UtpTrlBase = (VOID *)(UINTN)CmdDescHost;\r |
0591696e | 1586 | Private->Nutrs = Nutrs;\r |
44a0857e | 1587 | Private->TrlMapping = CmdDescMapping;\r |
d1102dba | 1588 | \r |
0591696e FT |
1589 | //\r |
1590 | // Enable the UTP Transfer Request List by setting the UTP Transfer Request List\r | |
1591 | // RunStop Register (UTRLRSR) to '1'.\r | |
1592 | //\r | |
d1102dba | 1593 | Address = Private->UfsHcBase + UFS_HC_UTRLRSR_OFFSET;\r |
0591696e FT |
1594 | MmioWrite32 (Address, UFS_HC_UTRLRSR);\r |
1595 | \r | |
1596 | return EFI_SUCCESS;\r | |
1597 | }\r | |
1598 | \r | |
1599 | /**\r | |
1600 | Initialize the UFS host controller.\r | |
1601 | \r | |
1602 | @param[in] Private The pointer to the UFS_PEIM_HC_PRIVATE_DATA data structure.\r | |
1603 | \r | |
1604 | @retval EFI_SUCCESS The Ufs Host Controller is initialized successfully.\r | |
1605 | @retval Others A device error occurred while initializing the controller.\r | |
1606 | \r | |
1607 | **/\r | |
1608 | EFI_STATUS\r | |
1609 | UfsControllerInit (\r | |
1436aea4 | 1610 | IN UFS_PEIM_HC_PRIVATE_DATA *Private\r |
0591696e FT |
1611 | )\r |
1612 | {\r | |
1436aea4 | 1613 | EFI_STATUS Status;\r |
0591696e FT |
1614 | \r |
1615 | Status = UfsEnableHostController (Private);\r | |
1616 | if (EFI_ERROR (Status)) {\r | |
87000d77 | 1617 | DEBUG ((DEBUG_ERROR, "UfsDevicePei: Enable Host Controller Fails, Status = %r\n", Status));\r |
0591696e FT |
1618 | return Status;\r |
1619 | }\r | |
1620 | \r | |
1621 | Status = UfsDeviceDetection (Private);\r | |
1622 | if (EFI_ERROR (Status)) {\r | |
87000d77 | 1623 | DEBUG ((DEBUG_ERROR, "UfsDevicePei: Device Detection Fails, Status = %r\n", Status));\r |
0591696e FT |
1624 | return Status;\r |
1625 | }\r | |
1626 | \r | |
1627 | Status = UfsInitTaskManagementRequestList (Private);\r | |
1628 | if (EFI_ERROR (Status)) {\r | |
87000d77 | 1629 | DEBUG ((DEBUG_ERROR, "UfsDevicePei: Task management list initialization Fails, Status = %r\n", Status));\r |
0591696e FT |
1630 | return Status;\r |
1631 | }\r | |
1632 | \r | |
1633 | Status = UfsInitTransferRequestList (Private);\r | |
1634 | if (EFI_ERROR (Status)) {\r | |
87000d77 | 1635 | DEBUG ((DEBUG_ERROR, "UfsDevicePei: Transfer list initialization Fails, Status = %r\n", Status));\r |
44a0857e HW |
1636 | \r |
1637 | if (Private->TmrlMapping != NULL) {\r | |
1638 | IoMmuFreeBuffer (\r | |
1639 | EFI_SIZE_TO_PAGES (Private->Nutmrs * sizeof (UTP_TMRD)),\r | |
1640 | Private->UtpTmrlBase,\r | |
1641 | Private->TmrlMapping\r | |
1642 | );\r | |
1643 | Private->TmrlMapping = NULL;\r | |
1644 | }\r | |
1645 | \r | |
0591696e FT |
1646 | return Status;\r |
1647 | }\r | |
1648 | \r | |
87000d77 | 1649 | DEBUG ((DEBUG_INFO, "UfsDevicePei Finished\n"));\r |
0591696e FT |
1650 | return EFI_SUCCESS;\r |
1651 | }\r | |
1652 | \r | |
1653 | /**\r | |
1654 | Stop the UFS host controller.\r | |
1655 | \r | |
1656 | @param[in] Private The pointer to the UFS_PEIM_HC_PRIVATE_DATA data structure.\r | |
1657 | \r | |
1658 | @retval EFI_SUCCESS The Ufs Host Controller is stopped successfully.\r | |
1659 | @retval Others A device error occurred while stopping the controller.\r | |
1660 | \r | |
1661 | **/\r | |
1662 | EFI_STATUS\r | |
1663 | UfsControllerStop (\r | |
1436aea4 | 1664 | IN UFS_PEIM_HC_PRIVATE_DATA *Private\r |
0591696e FT |
1665 | )\r |
1666 | {\r | |
1436aea4 MK |
1667 | EFI_STATUS Status;\r |
1668 | UINTN Address;\r | |
1669 | UINT32 Data;\r | |
0591696e FT |
1670 | \r |
1671 | //\r | |
1672 | // Enable the UTP Task Management Request List by setting the UTP Task Management\r | |
1673 | // Request List RunStop Register (UTMRLRSR) to '1'.\r | |
1674 | //\r | |
d1102dba | 1675 | Address = Private->UfsHcBase + UFS_HC_UTMRLRSR_OFFSET;\r |
0591696e FT |
1676 | MmioWrite32 (Address, 0);\r |
1677 | \r | |
1678 | //\r | |
1679 | // Enable the UTP Transfer Request List by setting the UTP Transfer Request List\r | |
1680 | // RunStop Register (UTRLRSR) to '1'.\r | |
1681 | //\r | |
d1102dba | 1682 | Address = Private->UfsHcBase + UFS_HC_UTRLRSR_OFFSET;\r |
0591696e FT |
1683 | MmioWrite32 (Address, 0);\r |
1684 | \r | |
1685 | //\r | |
1686 | // Write a 0 to the HCE register in order to disable the host controller.\r | |
1687 | //\r | |
1688 | Address = Private->UfsHcBase + UFS_HC_ENABLE_OFFSET;\r | |
1689 | Data = MmioRead32 (Address);\r | |
1690 | ASSERT ((Data & UFS_HC_HCE_EN) == UFS_HC_HCE_EN);\r | |
1691 | MmioWrite32 (Address, 0);\r | |
1692 | \r | |
1693 | //\r | |
1694 | // Wait until HCE is read as '0' before continuing.\r | |
1695 | //\r | |
1696 | Status = UfsWaitMemSet (Address, UFS_HC_HCE_EN, 0, UFS_TIMEOUT);\r | |
1697 | if (EFI_ERROR (Status)) {\r | |
1698 | return EFI_DEVICE_ERROR;\r | |
1699 | }\r | |
1700 | \r | |
87000d77 | 1701 | DEBUG ((DEBUG_INFO, "UfsDevicePei: Stop the UFS Host Controller\n"));\r |
0591696e FT |
1702 | \r |
1703 | return EFI_SUCCESS;\r | |
1704 | }\r |