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a41b5272 | 1 | /** @file\r |
2 | Header file for AHCI mode of ATA host controller.\r | |
1aff716a | 3 | \r |
51492422 | 4 | Copyright (c) 2010 - 2015, Intel Corporation. All rights reserved.<BR>\r |
9d510e61 | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
a41b5272 | 6 | \r |
7 | **/\r | |
8 | \r | |
9 | #include "AtaAtapiPassThru.h"\r | |
10 | \r | |
11 | /**\r | |
12 | read a one-byte data from a IDE port.\r | |
13 | \r | |
8536cc4b | 14 | @param PciIo A pointer to EFI_PCI_IO_PROTOCOL data structure\r |
1aff716a | 15 | @param Port The IDE Port number\r |
a41b5272 | 16 | \r |
17 | @return the one-byte data read from IDE port\r | |
18 | **/\r | |
19 | UINT8\r | |
20 | EFIAPI\r | |
21 | IdeReadPortB (\r | |
22 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
23 | IN UINT16 Port\r | |
24 | )\r | |
25 | {\r | |
26 | UINT8 Data;\r | |
27 | \r | |
28 | ASSERT (PciIo != NULL);\r | |
29 | \r | |
30 | Data = 0;\r | |
31 | //\r | |
32 | // perform 1-byte data read from register\r | |
33 | //\r | |
34 | PciIo->Io.Read (\r | |
35 | PciIo,\r | |
36 | EfiPciIoWidthUint8,\r | |
37 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
38 | (UINT64) Port,\r | |
39 | 1,\r | |
40 | &Data\r | |
41 | );\r | |
42 | return Data;\r | |
43 | }\r | |
44 | \r | |
45 | /**\r | |
46 | write a 1-byte data to a specific IDE port.\r | |
47 | \r | |
8536cc4b | 48 | @param PciIo A pointer to EFI_PCI_IO_PROTOCOL data structure\r |
a41b5272 | 49 | @param Port The IDE port to be writen\r |
50 | @param Data The data to write to the port\r | |
51 | **/\r | |
52 | VOID\r | |
53 | EFIAPI\r | |
54 | IdeWritePortB (\r | |
55 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
56 | IN UINT16 Port,\r | |
57 | IN UINT8 Data\r | |
58 | )\r | |
59 | {\r | |
60 | ASSERT (PciIo != NULL);\r | |
61 | \r | |
62 | //\r | |
63 | // perform 1-byte data write to register\r | |
64 | //\r | |
65 | PciIo->Io.Write (\r | |
66 | PciIo,\r | |
67 | EfiPciIoWidthUint8,\r | |
68 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
69 | (UINT64) Port,\r | |
70 | 1,\r | |
71 | &Data\r | |
72 | );\r | |
73 | }\r | |
74 | \r | |
75 | /**\r | |
76 | write a 1-word data to a specific IDE port.\r | |
77 | \r | |
8536cc4b | 78 | @param PciIo A pointer to EFI_PCI_IO_PROTOCOL data structure\r |
a41b5272 | 79 | @param Port The IDE port to be writen\r |
80 | @param Data The data to write to the port\r | |
81 | **/\r | |
82 | VOID\r | |
83 | EFIAPI\r | |
84 | IdeWritePortW (\r | |
85 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
86 | IN UINT16 Port,\r | |
87 | IN UINT16 Data\r | |
88 | )\r | |
89 | {\r | |
90 | ASSERT (PciIo != NULL);\r | |
91 | \r | |
92 | //\r | |
93 | // perform 1-word data write to register\r | |
94 | //\r | |
95 | PciIo->Io.Write (\r | |
96 | PciIo,\r | |
97 | EfiPciIoWidthUint16,\r | |
98 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
99 | (UINT64) Port,\r | |
100 | 1,\r | |
101 | &Data\r | |
102 | );\r | |
103 | }\r | |
104 | \r | |
105 | /**\r | |
106 | write a 2-word data to a specific IDE port.\r | |
107 | \r | |
8536cc4b | 108 | @param PciIo A pointer to EFI_PCI_IO_PROTOCOL data structure\r |
a41b5272 | 109 | @param Port The IDE port to be writen\r |
110 | @param Data The data to write to the port\r | |
111 | **/\r | |
112 | VOID\r | |
113 | EFIAPI\r | |
114 | IdeWritePortDW (\r | |
115 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
116 | IN UINT16 Port,\r | |
117 | IN UINT32 Data\r | |
118 | )\r | |
119 | {\r | |
120 | ASSERT (PciIo != NULL);\r | |
121 | \r | |
122 | //\r | |
123 | // perform 2-word data write to register\r | |
124 | //\r | |
125 | PciIo->Io.Write (\r | |
126 | PciIo,\r | |
127 | EfiPciIoWidthUint32,\r | |
128 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
129 | (UINT64) Port,\r | |
130 | 1,\r | |
131 | &Data\r | |
132 | );\r | |
133 | }\r | |
134 | \r | |
135 | /**\r | |
136 | Write multiple words of data to the IDE data port.\r | |
137 | Call the IO abstraction once to do the complete read,\r | |
138 | not one word at a time\r | |
139 | \r | |
8536cc4b | 140 | @param PciIo A pointer to EFI_PCI_IO_PROTOCOL data structure\r |
a41b5272 | 141 | @param Port IO port to read\r |
142 | @param Count No. of UINT16's to read\r | |
143 | @param Buffer Pointer to the data buffer for read\r | |
144 | \r | |
145 | **/\r | |
146 | VOID\r | |
147 | EFIAPI\r | |
148 | IdeWritePortWMultiple (\r | |
149 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
150 | IN UINT16 Port,\r | |
151 | IN UINTN Count,\r | |
152 | IN VOID *Buffer\r | |
153 | )\r | |
154 | {\r | |
155 | ASSERT (PciIo != NULL);\r | |
156 | ASSERT (Buffer != NULL);\r | |
157 | \r | |
158 | //\r | |
159 | // perform UINT16 data write to the FIFO\r | |
160 | //\r | |
161 | PciIo->Io.Write (\r | |
162 | PciIo,\r | |
163 | EfiPciIoWidthFifoUint16,\r | |
164 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
165 | (UINT64) Port,\r | |
166 | Count,\r | |
167 | (UINT16 *) Buffer\r | |
168 | );\r | |
169 | \r | |
170 | }\r | |
171 | \r | |
172 | /**\r | |
173 | Reads multiple words of data from the IDE data port.\r | |
174 | Call the IO abstraction once to do the complete read,\r | |
175 | not one word at a time\r | |
176 | \r | |
8536cc4b | 177 | @param PciIo A pointer to EFI_PCI_IO_PROTOCOL data structure\r |
a41b5272 | 178 | @param Port IO port to read\r |
179 | @param Count Number of UINT16's to read\r | |
180 | @param Buffer Pointer to the data buffer for read\r | |
181 | \r | |
182 | **/\r | |
183 | VOID\r | |
184 | EFIAPI\r | |
185 | IdeReadPortWMultiple (\r | |
186 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
187 | IN UINT16 Port,\r | |
188 | IN UINTN Count,\r | |
189 | IN VOID *Buffer\r | |
190 | )\r | |
191 | {\r | |
192 | ASSERT (PciIo != NULL);\r | |
193 | ASSERT (Buffer != NULL);\r | |
194 | \r | |
195 | //\r | |
196 | // Perform UINT16 data read from FIFO\r | |
197 | //\r | |
198 | PciIo->Io.Read (\r | |
199 | PciIo,\r | |
200 | EfiPciIoWidthFifoUint16,\r | |
201 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
202 | (UINT64) Port,\r | |
203 | Count,\r | |
204 | (UINT16 *) Buffer\r | |
205 | );\r | |
206 | \r | |
207 | }\r | |
208 | \r | |
209 | /**\r | |
210 | This function is used to analyze the Status Register and print out\r | |
211 | some debug information and if there is ERR bit set in the Status\r | |
212 | Register, the Error Register's value is also be parsed and print out.\r | |
213 | \r | |
8536cc4b | 214 | @param PciIo A pointer to EFI_PCI_IO_PROTOCOL data structure.\r |
a41b5272 | 215 | @param IdeRegisters A pointer to EFI_IDE_REGISTERS data structure.\r |
216 | @param AtaStatusBlock A pointer to EFI_ATA_STATUS_BLOCK data structure.\r | |
217 | \r | |
218 | **/\r | |
219 | VOID\r | |
220 | EFIAPI\r | |
221 | DumpAllIdeRegisters (\r | |
222 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
223 | IN EFI_IDE_REGISTERS *IdeRegisters,\r | |
224 | IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock\r | |
225 | )\r | |
226 | {\r | |
227 | EFI_ATA_STATUS_BLOCK StatusBlock;\r | |
228 | \r | |
229 | ASSERT (PciIo != NULL);\r | |
230 | ASSERT (IdeRegisters != NULL);\r | |
231 | \r | |
232 | ZeroMem (&StatusBlock, sizeof (EFI_ATA_STATUS_BLOCK));\r | |
233 | \r | |
234 | StatusBlock.AtaStatus = IdeReadPortB (PciIo, IdeRegisters->CmdOrStatus);\r | |
235 | StatusBlock.AtaError = IdeReadPortB (PciIo, IdeRegisters->ErrOrFeature);\r | |
236 | StatusBlock.AtaSectorCount = IdeReadPortB (PciIo, IdeRegisters->SectorCount);\r | |
237 | StatusBlock.AtaSectorCountExp = IdeReadPortB (PciIo, IdeRegisters->SectorCount);\r | |
238 | StatusBlock.AtaSectorNumber = IdeReadPortB (PciIo, IdeRegisters->SectorNumber);\r | |
239 | StatusBlock.AtaSectorNumberExp = IdeReadPortB (PciIo, IdeRegisters->SectorNumber);\r | |
240 | StatusBlock.AtaCylinderLow = IdeReadPortB (PciIo, IdeRegisters->CylinderLsb);\r | |
241 | StatusBlock.AtaCylinderLowExp = IdeReadPortB (PciIo, IdeRegisters->CylinderLsb);\r | |
242 | StatusBlock.AtaCylinderHigh = IdeReadPortB (PciIo, IdeRegisters->CylinderMsb);\r | |
243 | StatusBlock.AtaCylinderHighExp = IdeReadPortB (PciIo, IdeRegisters->CylinderMsb);\r | |
244 | StatusBlock.AtaDeviceHead = IdeReadPortB (PciIo, IdeRegisters->Head);\r | |
245 | \r | |
246 | if (AtaStatusBlock != NULL) {\r | |
247 | //\r | |
248 | // Dump the content of all ATA registers.\r | |
249 | //\r | |
250 | CopyMem (AtaStatusBlock, &StatusBlock, sizeof (EFI_ATA_STATUS_BLOCK));\r | |
251 | }\r | |
252 | \r | |
253 | DEBUG_CODE_BEGIN ();\r | |
254 | if ((StatusBlock.AtaStatus & ATA_STSREG_DWF) != 0) {\r | |
255 | DEBUG ((EFI_D_ERROR, "CheckRegisterStatus()-- %02x : Error : Write Fault\n", StatusBlock.AtaStatus));\r | |
256 | }\r | |
257 | \r | |
258 | if ((StatusBlock.AtaStatus & ATA_STSREG_CORR) != 0) {\r | |
259 | DEBUG ((EFI_D_ERROR, "CheckRegisterStatus()-- %02x : Error : Corrected Data\n", StatusBlock.AtaStatus));\r | |
260 | }\r | |
261 | \r | |
262 | if ((StatusBlock.AtaStatus & ATA_STSREG_ERR) != 0) {\r | |
263 | if ((StatusBlock.AtaError & ATA_ERRREG_BBK) != 0) {\r | |
264 | DEBUG ((EFI_D_ERROR, "CheckRegisterStatus()-- %02x : Error : Bad Block Detected\n", StatusBlock.AtaError));\r | |
265 | }\r | |
266 | \r | |
267 | if ((StatusBlock.AtaError & ATA_ERRREG_UNC) != 0) {\r | |
268 | DEBUG ((EFI_D_ERROR, "CheckRegisterStatus()-- %02x : Error : Uncorrectable Data\n", StatusBlock.AtaError));\r | |
269 | }\r | |
270 | \r | |
271 | if ((StatusBlock.AtaError & ATA_ERRREG_MC) != 0) {\r | |
272 | DEBUG ((EFI_D_ERROR, "CheckRegisterStatus()-- %02x : Error : Media Change\n", StatusBlock.AtaError));\r | |
273 | }\r | |
274 | \r | |
275 | if ((StatusBlock.AtaError & ATA_ERRREG_ABRT) != 0) {\r | |
276 | DEBUG ((EFI_D_ERROR, "CheckRegisterStatus()-- %02x : Error : Abort\n", StatusBlock.AtaError));\r | |
277 | }\r | |
278 | \r | |
279 | if ((StatusBlock.AtaError & ATA_ERRREG_TK0NF) != 0) {\r | |
280 | DEBUG ((EFI_D_ERROR, "CheckRegisterStatus()-- %02x : Error : Track 0 Not Found\n", StatusBlock.AtaError));\r | |
281 | }\r | |
282 | \r | |
283 | if ((StatusBlock.AtaError & ATA_ERRREG_AMNF) != 0) {\r | |
284 | DEBUG ((EFI_D_ERROR, "CheckRegisterStatus()-- %02x : Error : Address Mark Not Found\n", StatusBlock.AtaError));\r | |
285 | }\r | |
286 | }\r | |
287 | DEBUG_CODE_END ();\r | |
288 | }\r | |
289 | \r | |
290 | /**\r | |
8536cc4b | 291 | This function is used to analyze the Status Register at the condition that BSY is zero.\r |
292 | if there is ERR bit set in the Status Register, then return error.\r | |
a41b5272 | 293 | \r |
8536cc4b | 294 | @param PciIo A pointer to EFI_PCI_IO_PROTOCOL data structure.\r |
a41b5272 | 295 | @param IdeRegisters A pointer to EFI_IDE_REGISTERS data structure.\r |
296 | \r | |
297 | @retval EFI_SUCCESS No err information in the Status Register.\r | |
298 | @retval EFI_DEVICE_ERROR Any err information in the Status Register.\r | |
299 | \r | |
300 | **/\r | |
301 | EFI_STATUS\r | |
302 | EFIAPI\r | |
303 | CheckStatusRegister (\r | |
304 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
305 | IN EFI_IDE_REGISTERS *IdeRegisters\r | |
306 | )\r | |
307 | {\r | |
a41b5272 | 308 | UINT8 StatusRegister;\r |
309 | \r | |
310 | ASSERT (PciIo != NULL);\r | |
311 | ASSERT (IdeRegisters != NULL);\r | |
312 | \r | |
313 | StatusRegister = IdeReadPortB (PciIo, IdeRegisters->CmdOrStatus);\r | |
314 | \r | |
8536cc4b | 315 | if ((StatusRegister & ATA_STSREG_BSY) == 0) {\r |
316 | if ((StatusRegister & (ATA_STSREG_ERR | ATA_STSREG_DWF | ATA_STSREG_CORR)) == 0) {\r | |
317 | return EFI_SUCCESS;\r | |
318 | } else {\r | |
319 | return EFI_DEVICE_ERROR;\r | |
320 | }\r | |
a41b5272 | 321 | }\r |
8536cc4b | 322 | return EFI_SUCCESS;\r |
a41b5272 | 323 | }\r |
324 | \r | |
325 | /**\r | |
326 | This function is used to poll for the DRQ bit clear in the Status\r | |
327 | Register. DRQ is cleared when the device is finished transferring data.\r | |
328 | So this function is called after data transfer is finished.\r | |
329 | \r | |
8536cc4b | 330 | @param PciIo A pointer to EFI_PCI_IO_PROTOCOL data structure.\r |
a41b5272 | 331 | @param IdeRegisters A pointer to EFI_IDE_REGISTERS data structure.\r |
8536cc4b | 332 | @param Timeout The time to complete the command, uses 100ns as a unit.\r |
a41b5272 | 333 | \r |
334 | @retval EFI_SUCCESS DRQ bit clear within the time out.\r | |
335 | \r | |
336 | @retval EFI_TIMEOUT DRQ bit not clear within the time out.\r | |
337 | \r | |
338 | @note\r | |
339 | Read Status Register will clear interrupt status.\r | |
340 | \r | |
341 | **/\r | |
342 | EFI_STATUS\r | |
343 | EFIAPI\r | |
344 | DRQClear (\r | |
345 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
346 | IN EFI_IDE_REGISTERS *IdeRegisters,\r | |
347 | IN UINT64 Timeout\r | |
348 | )\r | |
349 | {\r | |
ab82122d | 350 | UINT64 Delay;\r |
a41b5272 | 351 | UINT8 StatusRegister;\r |
ab82122d | 352 | BOOLEAN InfiniteWait;\r |
a41b5272 | 353 | \r |
354 | ASSERT (PciIo != NULL);\r | |
355 | ASSERT (IdeRegisters != NULL);\r | |
356 | \r | |
ab82122d TF |
357 | if (Timeout == 0) {\r |
358 | InfiniteWait = TRUE;\r | |
359 | } else {\r | |
360 | InfiniteWait = FALSE;\r | |
361 | }\r | |
362 | \r | |
363 | Delay = DivU64x32(Timeout, 1000) + 1;\r | |
a41b5272 | 364 | do {\r |
365 | StatusRegister = IdeReadPortB (PciIo, IdeRegisters->CmdOrStatus);\r | |
366 | \r | |
367 | //\r | |
8536cc4b | 368 | // Wait for BSY == 0, then judge if DRQ is clear\r |
a41b5272 | 369 | //\r |
8536cc4b | 370 | if ((StatusRegister & ATA_STSREG_BSY) == 0) {\r |
371 | if ((StatusRegister & ATA_STSREG_DRQ) == ATA_STSREG_DRQ) {\r | |
372 | return EFI_DEVICE_ERROR;\r | |
373 | } else {\r | |
374 | return EFI_SUCCESS;\r | |
a41b5272 | 375 | }\r |
376 | }\r | |
377 | \r | |
378 | //\r | |
8536cc4b | 379 | // Stall for 100 microseconds.\r |
a41b5272 | 380 | //\r |
381 | MicroSecondDelay (100);\r | |
382 | \r | |
383 | Delay--;\r | |
384 | \r | |
ab82122d | 385 | } while (InfiniteWait || (Delay > 0));\r |
a41b5272 | 386 | \r |
8536cc4b | 387 | return EFI_TIMEOUT;\r |
a41b5272 | 388 | }\r |
389 | /**\r | |
390 | This function is used to poll for the DRQ bit clear in the Alternate\r | |
391 | Status Register. DRQ is cleared when the device is finished\r | |
392 | transferring data. So this function is called after data transfer\r | |
393 | is finished.\r | |
394 | \r | |
8536cc4b | 395 | @param PciIo A pointer to EFI_PCI_IO_PROTOCOL data structure.\r |
a41b5272 | 396 | @param IdeRegisters A pointer to EFI_IDE_REGISTERS data structure.\r |
8536cc4b | 397 | @param Timeout The time to complete the command, uses 100ns as a unit.\r |
a41b5272 | 398 | \r |
399 | @retval EFI_SUCCESS DRQ bit clear within the time out.\r | |
400 | \r | |
401 | @retval EFI_TIMEOUT DRQ bit not clear within the time out.\r | |
402 | @note Read Alternate Status Register will not clear interrupt status.\r | |
403 | \r | |
404 | **/\r | |
405 | EFI_STATUS\r | |
406 | EFIAPI\r | |
407 | DRQClear2 (\r | |
408 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
409 | IN EFI_IDE_REGISTERS *IdeRegisters,\r | |
410 | IN UINT64 Timeout\r | |
411 | )\r | |
412 | {\r | |
ab82122d | 413 | UINT64 Delay;\r |
a41b5272 | 414 | UINT8 AltRegister;\r |
ab82122d | 415 | BOOLEAN InfiniteWait;\r |
a41b5272 | 416 | \r |
417 | ASSERT (PciIo != NULL);\r | |
418 | ASSERT (IdeRegisters != NULL);\r | |
419 | \r | |
ab82122d TF |
420 | if (Timeout == 0) {\r |
421 | InfiniteWait = TRUE;\r | |
422 | } else {\r | |
423 | InfiniteWait = FALSE;\r | |
424 | }\r | |
425 | \r | |
426 | Delay = DivU64x32(Timeout, 1000) + 1;\r | |
a41b5272 | 427 | do {\r |
428 | AltRegister = IdeReadPortB (PciIo, IdeRegisters->AltOrDev);\r | |
429 | \r | |
430 | //\r | |
8536cc4b | 431 | // Wait for BSY == 0, then judge if DRQ is clear\r |
a41b5272 | 432 | //\r |
8536cc4b | 433 | if ((AltRegister & ATA_STSREG_BSY) == 0) {\r |
434 | if ((AltRegister & ATA_STSREG_DRQ) == ATA_STSREG_DRQ) {\r | |
435 | return EFI_DEVICE_ERROR;\r | |
436 | } else {\r | |
437 | return EFI_SUCCESS;\r | |
a41b5272 | 438 | }\r |
439 | }\r | |
440 | \r | |
441 | //\r | |
442 | // Stall for 100 microseconds.\r | |
443 | //\r | |
444 | MicroSecondDelay (100);\r | |
445 | \r | |
446 | Delay--;\r | |
447 | \r | |
ab82122d | 448 | } while (InfiniteWait || (Delay > 0));\r |
a41b5272 | 449 | \r |
8536cc4b | 450 | return EFI_TIMEOUT;\r |
a41b5272 | 451 | }\r |
452 | \r | |
453 | /**\r | |
454 | This function is used to poll for the DRQ bit set in the\r | |
455 | Status Register.\r | |
456 | DRQ is set when the device is ready to transfer data. So this function\r | |
457 | is called after the command is sent to the device and before required\r | |
458 | data is transferred.\r | |
459 | \r | |
8536cc4b | 460 | @param PciIo A pointer to EFI_PCI_IO_PROTOCOL data structure.\r |
a41b5272 | 461 | @param IdeRegisters A pointer to EFI_IDE_REGISTERS data structure.\r |
8536cc4b | 462 | @param Timeout The time to complete the command, uses 100ns as a unit.\r |
a41b5272 | 463 | \r |
dfc229f6 LE |
464 | @retval EFI_SUCCESS BSY bit cleared and DRQ bit set within the\r |
465 | timeout.\r | |
466 | \r | |
467 | @retval EFI_TIMEOUT BSY bit not cleared within the timeout.\r | |
468 | \r | |
469 | @retval EFI_ABORTED Polling abandoned due to command abort.\r | |
470 | \r | |
471 | @retval EFI_DEVICE_ERROR Polling abandoned due to a non-abort error.\r | |
472 | \r | |
473 | @retval EFI_NOT_READY BSY bit cleared within timeout, and device\r | |
474 | reported "command complete" by clearing DRQ\r | |
475 | bit.\r | |
a41b5272 | 476 | \r |
477 | @note Read Status Register will clear interrupt status.\r | |
478 | \r | |
479 | **/\r | |
480 | EFI_STATUS\r | |
481 | EFIAPI\r | |
482 | DRQReady (\r | |
483 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
484 | IN EFI_IDE_REGISTERS *IdeRegisters,\r | |
485 | IN UINT64 Timeout\r | |
486 | )\r | |
487 | {\r | |
ab82122d | 488 | UINT64 Delay;\r |
a41b5272 | 489 | UINT8 StatusRegister;\r |
490 | UINT8 ErrorRegister;\r | |
ab82122d | 491 | BOOLEAN InfiniteWait;\r |
a41b5272 | 492 | \r |
493 | ASSERT (PciIo != NULL);\r | |
494 | ASSERT (IdeRegisters != NULL);\r | |
495 | \r | |
ab82122d TF |
496 | if (Timeout == 0) {\r |
497 | InfiniteWait = TRUE;\r | |
498 | } else {\r | |
499 | InfiniteWait = FALSE;\r | |
500 | }\r | |
501 | \r | |
502 | Delay = DivU64x32(Timeout, 1000) + 1;\r | |
a41b5272 | 503 | do {\r |
504 | //\r | |
8536cc4b | 505 | // Read Status Register will clear interrupt\r |
a41b5272 | 506 | //\r |
507 | StatusRegister = IdeReadPortB (PciIo, IdeRegisters->CmdOrStatus);\r | |
508 | \r | |
509 | //\r | |
8536cc4b | 510 | // Wait for BSY == 0, then judge if DRQ is clear or ERR is set\r |
a41b5272 | 511 | //\r |
8536cc4b | 512 | if ((StatusRegister & ATA_STSREG_BSY) == 0) {\r |
513 | if ((StatusRegister & ATA_STSREG_ERR) == ATA_STSREG_ERR) {\r | |
514 | ErrorRegister = IdeReadPortB (PciIo, IdeRegisters->ErrOrFeature);\r | |
a41b5272 | 515 | \r |
8536cc4b | 516 | if ((ErrorRegister & ATA_ERRREG_ABRT) == ATA_ERRREG_ABRT) {\r |
517 | return EFI_ABORTED;\r | |
518 | }\r | |
519 | return EFI_DEVICE_ERROR;\r | |
520 | }\r | |
a41b5272 | 521 | \r |
8536cc4b | 522 | if ((StatusRegister & ATA_STSREG_DRQ) == ATA_STSREG_DRQ) {\r |
523 | return EFI_SUCCESS;\r | |
524 | } else {\r | |
525 | return EFI_NOT_READY;\r | |
a41b5272 | 526 | }\r |
527 | }\r | |
528 | \r | |
529 | //\r | |
530 | // Stall for 100 microseconds.\r | |
531 | //\r | |
532 | MicroSecondDelay (100);\r | |
533 | \r | |
534 | Delay--;\r | |
ab82122d | 535 | } while (InfiniteWait || (Delay > 0));\r |
a41b5272 | 536 | \r |
8536cc4b | 537 | return EFI_TIMEOUT;\r |
a41b5272 | 538 | }\r |
539 | /**\r | |
540 | This function is used to poll for the DRQ bit set in the Alternate Status Register.\r | |
1aff716a | 541 | DRQ is set when the device is ready to transfer data. So this function is called after\r |
a41b5272 | 542 | the command is sent to the device and before required data is transferred.\r |
543 | \r | |
8536cc4b | 544 | @param PciIo A pointer to EFI_PCI_IO_PROTOCOL data structure.\r |
a41b5272 | 545 | @param IdeRegisters A pointer to EFI_IDE_REGISTERS data structure.\r |
8536cc4b | 546 | @param Timeout The time to complete the command, uses 100ns as a unit.\r |
a41b5272 | 547 | \r |
dfc229f6 LE |
548 | @retval EFI_SUCCESS BSY bit cleared and DRQ bit set within the\r |
549 | timeout.\r | |
550 | \r | |
551 | @retval EFI_TIMEOUT BSY bit not cleared within the timeout.\r | |
552 | \r | |
553 | @retval EFI_ABORTED Polling abandoned due to command abort.\r | |
554 | \r | |
555 | @retval EFI_DEVICE_ERROR Polling abandoned due to a non-abort error.\r | |
556 | \r | |
557 | @retval EFI_NOT_READY BSY bit cleared within timeout, and device\r | |
558 | reported "command complete" by clearing DRQ\r | |
559 | bit.\r | |
560 | \r | |
a41b5272 | 561 | @note Read Alternate Status Register will not clear interrupt status.\r |
562 | \r | |
563 | **/\r | |
564 | EFI_STATUS\r | |
565 | EFIAPI\r | |
566 | DRQReady2 (\r | |
567 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
568 | IN EFI_IDE_REGISTERS *IdeRegisters,\r | |
569 | IN UINT64 Timeout\r | |
570 | )\r | |
571 | {\r | |
ab82122d | 572 | UINT64 Delay;\r |
a41b5272 | 573 | UINT8 AltRegister;\r |
574 | UINT8 ErrorRegister;\r | |
ab82122d | 575 | BOOLEAN InfiniteWait;\r |
a41b5272 | 576 | \r |
577 | ASSERT (PciIo != NULL);\r | |
578 | ASSERT (IdeRegisters != NULL);\r | |
579 | \r | |
ab82122d TF |
580 | if (Timeout == 0) {\r |
581 | InfiniteWait = TRUE;\r | |
582 | } else {\r | |
583 | InfiniteWait = FALSE;\r | |
584 | }\r | |
585 | \r | |
586 | Delay = DivU64x32(Timeout, 1000) + 1;\r | |
a41b5272 | 587 | \r |
588 | do {\r | |
589 | //\r | |
8536cc4b | 590 | // Read Alternate Status Register will not clear interrupt status\r |
a41b5272 | 591 | //\r |
592 | AltRegister = IdeReadPortB (PciIo, IdeRegisters->AltOrDev);\r | |
593 | //\r | |
8536cc4b | 594 | // Wait for BSY == 0, then judge if DRQ is clear or ERR is set\r |
a41b5272 | 595 | //\r |
8536cc4b | 596 | if ((AltRegister & ATA_STSREG_BSY) == 0) {\r |
597 | if ((AltRegister & ATA_STSREG_ERR) == ATA_STSREG_ERR) {\r | |
598 | ErrorRegister = IdeReadPortB (PciIo, IdeRegisters->ErrOrFeature);\r | |
a41b5272 | 599 | \r |
8536cc4b | 600 | if ((ErrorRegister & ATA_ERRREG_ABRT) == ATA_ERRREG_ABRT) {\r |
601 | return EFI_ABORTED;\r | |
602 | }\r | |
603 | return EFI_DEVICE_ERROR;\r | |
604 | }\r | |
a41b5272 | 605 | \r |
8536cc4b | 606 | if ((AltRegister & ATA_STSREG_DRQ) == ATA_STSREG_DRQ) {\r |
607 | return EFI_SUCCESS;\r | |
608 | } else {\r | |
609 | return EFI_NOT_READY;\r | |
a41b5272 | 610 | }\r |
611 | }\r | |
612 | \r | |
613 | //\r | |
614 | // Stall for 100 microseconds.\r | |
615 | //\r | |
616 | MicroSecondDelay (100);\r | |
617 | \r | |
618 | Delay--;\r | |
ab82122d | 619 | } while (InfiniteWait || (Delay > 0));\r |
a41b5272 | 620 | \r |
8536cc4b | 621 | return EFI_TIMEOUT;\r |
a41b5272 | 622 | }\r |
623 | \r | |
a41b5272 | 624 | \r |
a41b5272 | 625 | \r |
a41b5272 | 626 | \r |
627 | /**\r | |
628 | This function is used to poll for the BSY bit clear in the Status Register. BSY\r | |
629 | is clear when the device is not busy. Every command must be sent after device is not busy.\r | |
630 | \r | |
631 | @param PciIo A pointer to ATA_ATAPI_PASS_THRU_INSTANCE data structure.\r | |
632 | @param IdeRegisters A pointer to EFI_IDE_REGISTERS data structure.\r | |
8536cc4b | 633 | @param Timeout The time to complete the command, uses 100ns as a unit.\r |
a41b5272 | 634 | \r |
635 | @retval EFI_SUCCESS BSY bit clear within the time out.\r | |
636 | @retval EFI_TIMEOUT BSY bit not clear within the time out.\r | |
637 | \r | |
638 | @note Read Status Register will clear interrupt status.\r | |
639 | **/\r | |
640 | EFI_STATUS\r | |
641 | EFIAPI\r | |
642 | WaitForBSYClear (\r | |
643 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
644 | IN EFI_IDE_REGISTERS *IdeRegisters,\r | |
645 | IN UINT64 Timeout\r | |
646 | )\r | |
647 | {\r | |
ab82122d | 648 | UINT64 Delay;\r |
a41b5272 | 649 | UINT8 StatusRegister;\r |
ab82122d | 650 | BOOLEAN InfiniteWait;\r |
a41b5272 | 651 | \r |
652 | ASSERT (PciIo != NULL);\r | |
653 | ASSERT (IdeRegisters != NULL);\r | |
654 | \r | |
ab82122d TF |
655 | if (Timeout == 0) {\r |
656 | InfiniteWait = TRUE;\r | |
657 | } else {\r | |
658 | InfiniteWait = FALSE;\r | |
659 | }\r | |
660 | \r | |
661 | Delay = DivU64x32(Timeout, 1000) + 1;\r | |
a41b5272 | 662 | do {\r |
663 | StatusRegister = IdeReadPortB (PciIo, IdeRegisters->CmdOrStatus);\r | |
664 | \r | |
665 | if ((StatusRegister & ATA_STSREG_BSY) == 0x00) {\r | |
8536cc4b | 666 | return EFI_SUCCESS;\r |
a41b5272 | 667 | }\r |
668 | \r | |
669 | //\r | |
670 | // Stall for 100 microseconds.\r | |
671 | //\r | |
672 | MicroSecondDelay (100);\r | |
673 | \r | |
674 | Delay--;\r | |
675 | \r | |
ab82122d | 676 | } while (InfiniteWait || (Delay > 0));\r |
a41b5272 | 677 | \r |
8536cc4b | 678 | return EFI_TIMEOUT;\r |
a41b5272 | 679 | }\r |
680 | \r | |
a41b5272 | 681 | \r |
682 | /**\r | |
1aff716a | 683 | Get IDE i/o port registers' base addresses by mode.\r |
a41b5272 | 684 | \r |
685 | In 'Compatibility' mode, use fixed addresses.\r | |
686 | In Native-PCI mode, get base addresses from BARs in the PCI IDE controller's\r | |
687 | Configuration Space.\r | |
688 | \r | |
689 | The steps to get IDE i/o port registers' base addresses for each channel\r | |
690 | as follows:\r | |
691 | \r | |
692 | 1. Examine the Programming Interface byte of the Class Code fields in PCI IDE\r | |
693 | controller's Configuration Space to determine the operating mode.\r | |
694 | \r | |
695 | 2. a) In 'Compatibility' mode, use fixed addresses shown in the Table 1 below.\r | |
696 | ___________________________________________\r | |
697 | | | Command Block | Control Block |\r | |
698 | | Channel | Registers | Registers |\r | |
699 | |___________|_______________|_______________|\r | |
700 | | Primary | 1F0h - 1F7h | 3F6h - 3F7h |\r | |
701 | |___________|_______________|_______________|\r | |
702 | | Secondary | 170h - 177h | 376h - 377h |\r | |
703 | |___________|_______________|_______________|\r | |
704 | \r | |
705 | Table 1. Compatibility resource mappings\r | |
1aff716a | 706 | \r |
a41b5272 | 707 | b) In Native-PCI mode, IDE registers are mapped into IO space using the BARs\r |
708 | in IDE controller's PCI Configuration Space, shown in the Table 2 below.\r | |
709 | ___________________________________________________\r | |
710 | | | Command Block | Control Block |\r | |
711 | | Channel | Registers | Registers |\r | |
712 | |___________|___________________|___________________|\r | |
713 | | Primary | BAR at offset 0x10| BAR at offset 0x14|\r | |
714 | |___________|___________________|___________________|\r | |
715 | | Secondary | BAR at offset 0x18| BAR at offset 0x1C|\r | |
716 | |___________|___________________|___________________|\r | |
717 | \r | |
718 | Table 2. BARs for Register Mapping\r | |
719 | \r | |
720 | @param[in] PciIo Pointer to the EFI_PCI_IO_PROTOCOL instance\r | |
721 | @param[in, out] IdeRegisters Pointer to EFI_IDE_REGISTERS which is used to\r | |
722 | store the IDE i/o port registers' base addresses\r | |
1aff716a | 723 | \r |
a41b5272 | 724 | @retval EFI_UNSUPPORTED Return this value when the BARs is not IO type\r |
725 | @retval EFI_SUCCESS Get the Base address successfully\r | |
726 | @retval Other Read the pci configureation data error\r | |
727 | \r | |
728 | **/\r | |
729 | EFI_STATUS\r | |
730 | EFIAPI\r | |
731 | GetIdeRegisterIoAddr (\r | |
732 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
733 | IN OUT EFI_IDE_REGISTERS *IdeRegisters\r | |
734 | )\r | |
735 | {\r | |
736 | EFI_STATUS Status;\r | |
737 | PCI_TYPE00 PciData;\r | |
738 | UINT16 CommandBlockBaseAddr;\r | |
739 | UINT16 ControlBlockBaseAddr;\r | |
740 | UINT16 BusMasterBaseAddr;\r | |
741 | \r | |
742 | if ((PciIo == NULL) || (IdeRegisters == NULL)) {\r | |
743 | return EFI_INVALID_PARAMETER;\r | |
744 | }\r | |
745 | \r | |
746 | Status = PciIo->Pci.Read (\r | |
747 | PciIo,\r | |
748 | EfiPciIoWidthUint8,\r | |
749 | 0,\r | |
750 | sizeof (PciData),\r | |
751 | &PciData\r | |
752 | );\r | |
753 | \r | |
754 | if (EFI_ERROR (Status)) {\r | |
755 | return Status;\r | |
756 | }\r | |
757 | \r | |
758 | BusMasterBaseAddr = (UINT16) ((PciData.Device.Bar[4] & 0x0000fff0));\r | |
759 | \r | |
760 | if ((PciData.Hdr.ClassCode[0] & IDE_PRIMARY_OPERATING_MODE) == 0) {\r | |
761 | CommandBlockBaseAddr = 0x1f0;\r | |
762 | ControlBlockBaseAddr = 0x3f6;\r | |
763 | } else {\r | |
764 | //\r | |
765 | // The BARs should be of IO type\r | |
766 | //\r | |
767 | if ((PciData.Device.Bar[0] & BIT0) == 0 ||\r | |
768 | (PciData.Device.Bar[1] & BIT0) == 0) {\r | |
769 | return EFI_UNSUPPORTED;\r | |
770 | }\r | |
771 | \r | |
772 | CommandBlockBaseAddr = (UINT16) (PciData.Device.Bar[0] & 0x0000fff8);\r | |
773 | ControlBlockBaseAddr = (UINT16) ((PciData.Device.Bar[1] & 0x0000fffc) + 2);\r | |
774 | }\r | |
775 | \r | |
776 | //\r | |
777 | // Calculate IDE primary channel I/O register base address.\r | |
778 | //\r | |
779 | IdeRegisters[EfiIdePrimary].Data = CommandBlockBaseAddr;\r | |
780 | IdeRegisters[EfiIdePrimary].ErrOrFeature = (UINT16) (CommandBlockBaseAddr + 0x01);\r | |
781 | IdeRegisters[EfiIdePrimary].SectorCount = (UINT16) (CommandBlockBaseAddr + 0x02);\r | |
782 | IdeRegisters[EfiIdePrimary].SectorNumber = (UINT16) (CommandBlockBaseAddr + 0x03);\r | |
783 | IdeRegisters[EfiIdePrimary].CylinderLsb = (UINT16) (CommandBlockBaseAddr + 0x04);\r | |
784 | IdeRegisters[EfiIdePrimary].CylinderMsb = (UINT16) (CommandBlockBaseAddr + 0x05);\r | |
785 | IdeRegisters[EfiIdePrimary].Head = (UINT16) (CommandBlockBaseAddr + 0x06);\r | |
786 | IdeRegisters[EfiIdePrimary].CmdOrStatus = (UINT16) (CommandBlockBaseAddr + 0x07);\r | |
787 | IdeRegisters[EfiIdePrimary].AltOrDev = ControlBlockBaseAddr;\r | |
788 | IdeRegisters[EfiIdePrimary].BusMasterBaseAddr = BusMasterBaseAddr;\r | |
789 | \r | |
790 | if ((PciData.Hdr.ClassCode[0] & IDE_SECONDARY_OPERATING_MODE) == 0) {\r | |
791 | CommandBlockBaseAddr = 0x170;\r | |
792 | ControlBlockBaseAddr = 0x376;\r | |
793 | } else {\r | |
794 | //\r | |
795 | // The BARs should be of IO type\r | |
796 | //\r | |
797 | if ((PciData.Device.Bar[2] & BIT0) == 0 ||\r | |
798 | (PciData.Device.Bar[3] & BIT0) == 0) {\r | |
799 | return EFI_UNSUPPORTED;\r | |
800 | }\r | |
801 | \r | |
802 | CommandBlockBaseAddr = (UINT16) (PciData.Device.Bar[2] & 0x0000fff8);\r | |
803 | ControlBlockBaseAddr = (UINT16) ((PciData.Device.Bar[3] & 0x0000fffc) + 2);\r | |
804 | }\r | |
805 | \r | |
806 | //\r | |
807 | // Calculate IDE secondary channel I/O register base address.\r | |
808 | //\r | |
809 | IdeRegisters[EfiIdeSecondary].Data = CommandBlockBaseAddr;\r | |
810 | IdeRegisters[EfiIdeSecondary].ErrOrFeature = (UINT16) (CommandBlockBaseAddr + 0x01);\r | |
811 | IdeRegisters[EfiIdeSecondary].SectorCount = (UINT16) (CommandBlockBaseAddr + 0x02);\r | |
812 | IdeRegisters[EfiIdeSecondary].SectorNumber = (UINT16) (CommandBlockBaseAddr + 0x03);\r | |
813 | IdeRegisters[EfiIdeSecondary].CylinderLsb = (UINT16) (CommandBlockBaseAddr + 0x04);\r | |
814 | IdeRegisters[EfiIdeSecondary].CylinderMsb = (UINT16) (CommandBlockBaseAddr + 0x05);\r | |
815 | IdeRegisters[EfiIdeSecondary].Head = (UINT16) (CommandBlockBaseAddr + 0x06);\r | |
816 | IdeRegisters[EfiIdeSecondary].CmdOrStatus = (UINT16) (CommandBlockBaseAddr + 0x07);\r | |
817 | IdeRegisters[EfiIdeSecondary].AltOrDev = ControlBlockBaseAddr;\r | |
aca84419 | 818 | IdeRegisters[EfiIdeSecondary].BusMasterBaseAddr = (UINT16) (BusMasterBaseAddr + 0x8);\r |
a41b5272 | 819 | \r |
820 | return EFI_SUCCESS;\r | |
821 | }\r | |
822 | \r | |
a41b5272 | 823 | \r |
824 | /**\r | |
825 | Send ATA Ext command into device with NON_DATA protocol.\r | |
826 | \r | |
827 | @param PciIo A pointer to ATA_ATAPI_PASS_THRU_INSTANCE data structure.\r | |
828 | @param IdeRegisters A pointer to EFI_IDE_REGISTERS data structure.\r | |
829 | @param AtaCommandBlock A pointer to EFI_ATA_COMMAND_BLOCK data structure.\r | |
8536cc4b | 830 | @param Timeout The time to complete the command, uses 100ns as a unit.\r |
a41b5272 | 831 | \r |
832 | @retval EFI_SUCCESS Reading succeed\r | |
833 | @retval EFI_DEVICE_ERROR Error executing commands on this device.\r | |
834 | \r | |
835 | **/\r | |
836 | EFI_STATUS\r | |
837 | EFIAPI\r | |
838 | AtaIssueCommand (\r | |
839 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
840 | IN EFI_IDE_REGISTERS *IdeRegisters,\r | |
841 | IN EFI_ATA_COMMAND_BLOCK *AtaCommandBlock,\r | |
842 | IN UINT64 Timeout\r | |
843 | )\r | |
844 | {\r | |
845 | EFI_STATUS Status;\r | |
846 | UINT8 DeviceHead;\r | |
847 | UINT8 AtaCommand;\r | |
848 | \r | |
849 | ASSERT (PciIo != NULL);\r | |
850 | ASSERT (IdeRegisters != NULL);\r | |
851 | ASSERT (AtaCommandBlock != NULL);\r | |
852 | \r | |
853 | DeviceHead = AtaCommandBlock->AtaDeviceHead;\r | |
854 | AtaCommand = AtaCommandBlock->AtaCommand;\r | |
855 | \r | |
856 | Status = WaitForBSYClear (PciIo, IdeRegisters, Timeout);\r | |
857 | if (EFI_ERROR (Status)) {\r | |
858 | return EFI_DEVICE_ERROR;\r | |
859 | }\r | |
860 | \r | |
861 | //\r | |
862 | // Select device (bit4), set LBA mode(bit6) (use 0xe0 for compatibility)\r | |
863 | //\r | |
864 | IdeWritePortB (PciIo, IdeRegisters->Head, (UINT8) (0xe0 | DeviceHead));\r | |
865 | \r | |
866 | //\r | |
867 | // set all the command parameters\r | |
868 | // Before write to all the following registers, BSY and DRQ must be 0.\r | |
869 | //\r | |
870 | Status = DRQClear2 (PciIo, IdeRegisters, Timeout);\r | |
871 | if (EFI_ERROR (Status)) {\r | |
872 | return EFI_DEVICE_ERROR;\r | |
873 | }\r | |
874 | \r | |
875 | //\r | |
876 | // Fill the feature register, which is a two-byte FIFO. Need write twice.\r | |
877 | //\r | |
878 | IdeWritePortB (PciIo, IdeRegisters->ErrOrFeature, AtaCommandBlock->AtaFeaturesExp);\r | |
879 | IdeWritePortB (PciIo, IdeRegisters->ErrOrFeature, AtaCommandBlock->AtaFeatures);\r | |
880 | \r | |
881 | //\r | |
882 | // Fill the sector count register, which is a two-byte FIFO. Need write twice.\r | |
883 | //\r | |
884 | IdeWritePortB (PciIo, IdeRegisters->SectorCount, AtaCommandBlock->AtaSectorCountExp);\r | |
885 | IdeWritePortB (PciIo, IdeRegisters->SectorCount, AtaCommandBlock->AtaSectorCount);\r | |
886 | \r | |
887 | //\r | |
888 | // Fill the start LBA registers, which are also two-byte FIFO\r | |
889 | //\r | |
890 | IdeWritePortB (PciIo, IdeRegisters->SectorNumber, AtaCommandBlock->AtaSectorNumberExp);\r | |
891 | IdeWritePortB (PciIo, IdeRegisters->SectorNumber, AtaCommandBlock->AtaSectorNumber);\r | |
892 | \r | |
893 | IdeWritePortB (PciIo, IdeRegisters->CylinderLsb, AtaCommandBlock->AtaCylinderLowExp);\r | |
894 | IdeWritePortB (PciIo, IdeRegisters->CylinderLsb, AtaCommandBlock->AtaCylinderLow);\r | |
895 | \r | |
896 | IdeWritePortB (PciIo, IdeRegisters->CylinderMsb, AtaCommandBlock->AtaCylinderHighExp);\r | |
897 | IdeWritePortB (PciIo, IdeRegisters->CylinderMsb, AtaCommandBlock->AtaCylinderHigh);\r | |
898 | \r | |
899 | //\r | |
900 | // Send command via Command Register\r | |
901 | //\r | |
902 | IdeWritePortB (PciIo, IdeRegisters->CmdOrStatus, AtaCommand);\r | |
903 | \r | |
904 | //\r | |
905 | // Stall at least 400 microseconds.\r | |
906 | //\r | |
907 | MicroSecondDelay (400);\r | |
908 | \r | |
909 | return EFI_SUCCESS;\r | |
910 | }\r | |
911 | \r | |
912 | /**\r | |
913 | This function is used to send out ATA commands conforms to the PIO Data In Protocol.\r | |
914 | \r | |
490b5ea1 | 915 | @param[in] PciIo A pointer to ATA_ATAPI_PASS_THRU_INSTANCE data\r |
916 | structure.\r | |
917 | @param[in] IdeRegisters A pointer to EFI_IDE_REGISTERS data structure.\r | |
918 | @param[in, out] Buffer A pointer to the source buffer for the data.\r | |
919 | @param[in] ByteCount The length of the data.\r | |
86d8e199 | 920 | @param[in] Read Flag used to determine the data transfer direction.\r |
490b5ea1 | 921 | Read equals 1, means data transferred from device\r |
922 | to host;Read equals 0, means data transferred\r | |
923 | from host to device.\r | |
924 | @param[in] AtaCommandBlock A pointer to EFI_ATA_COMMAND_BLOCK data structure.\r | |
86d8e199 | 925 | @param[in, out] AtaStatusBlock A pointer to EFI_ATA_STATUS_BLOCK data structure.\r |
8536cc4b | 926 | @param[in] Timeout The time to complete the command, uses 100ns as a unit.\r |
490b5ea1 | 927 | @param[in] Task Optional. Pointer to the ATA_NONBLOCK_TASK\r |
928 | used by non-blocking mode.\r | |
1aff716a | 929 | \r |
a41b5272 | 930 | @retval EFI_SUCCESS send out the ATA command and device send required data successfully.\r |
931 | @retval EFI_DEVICE_ERROR command sent failed.\r | |
932 | \r | |
933 | **/\r | |
934 | EFI_STATUS\r | |
935 | EFIAPI\r | |
1aff716a | 936 | AtaPioDataInOut (\r |
a41b5272 | 937 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r |
938 | IN EFI_IDE_REGISTERS *IdeRegisters,\r | |
939 | IN OUT VOID *Buffer,\r | |
940 | IN UINT64 ByteCount,\r | |
941 | IN BOOLEAN Read,\r | |
942 | IN EFI_ATA_COMMAND_BLOCK *AtaCommandBlock,\r | |
943 | IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock,\r | |
490b5ea1 | 944 | IN UINT64 Timeout,\r |
945 | IN ATA_NONBLOCK_TASK *Task\r | |
a41b5272 | 946 | )\r |
947 | {\r | |
948 | UINTN WordCount;\r | |
949 | UINTN Increment;\r | |
950 | UINT16 *Buffer16;\r | |
951 | EFI_STATUS Status;\r | |
952 | \r | |
953 | if ((PciIo == NULL) || (IdeRegisters == NULL) || (Buffer == NULL) || (AtaCommandBlock == NULL)) {\r | |
954 | return EFI_INVALID_PARAMETER;\r | |
955 | }\r | |
956 | \r | |
957 | //\r | |
958 | // Issue ATA command\r | |
959 | //\r | |
960 | Status = AtaIssueCommand (PciIo, IdeRegisters, AtaCommandBlock, Timeout);\r | |
961 | if (EFI_ERROR (Status)) {\r | |
962 | Status = EFI_DEVICE_ERROR;\r | |
963 | goto Exit;\r | |
964 | }\r | |
965 | \r | |
966 | Buffer16 = (UINT16 *) Buffer;\r | |
967 | \r | |
968 | //\r | |
969 | // According to PIO data in protocol, host can perform a series of reads to\r | |
970 | // the data register after each time device set DRQ ready;\r | |
971 | // The data size of "a series of read" is command specific.\r | |
972 | // For most ATA command, data size received from device will not exceed\r | |
973 | // 1 sector, hence the data size for "a series of read" can be the whole data\r | |
974 | // size of one command request.\r | |
975 | // For ATA command such as Read Sector command, the data size of one ATA\r | |
976 | // command request is often larger than 1 sector, according to the\r | |
977 | // Read Sector command, the data size of "a series of read" is exactly 1\r | |
978 | // sector.\r | |
979 | // Here for simplification reason, we specify the data size for\r | |
980 | // "a series of read" to 1 sector (256 words) if data size of one ATA command\r | |
981 | // request is larger than 256 words.\r | |
982 | //\r | |
983 | Increment = 256;\r | |
984 | \r | |
985 | //\r | |
986 | // used to record bytes of currently transfered data\r | |
987 | //\r | |
988 | WordCount = 0;\r | |
989 | \r | |
990 | while (WordCount < RShiftU64(ByteCount, 1)) {\r | |
991 | //\r | |
992 | // Poll DRQ bit set, data transfer can be performed only when DRQ is ready\r | |
993 | //\r | |
994 | Status = DRQReady2 (PciIo, IdeRegisters, Timeout);\r | |
1aff716a | 995 | if (EFI_ERROR (Status)) {\r |
a41b5272 | 996 | Status = EFI_DEVICE_ERROR;\r |
997 | goto Exit;\r | |
998 | }\r | |
999 | \r | |
1000 | //\r | |
1001 | // Get the byte count for one series of read\r | |
1002 | //\r | |
1003 | if ((WordCount + Increment) > RShiftU64(ByteCount, 1)) {\r | |
1004 | Increment = (UINTN)(RShiftU64(ByteCount, 1) - WordCount);\r | |
1005 | }\r | |
1006 | \r | |
1007 | if (Read) {\r | |
1008 | IdeReadPortWMultiple (\r | |
1009 | PciIo,\r | |
1010 | IdeRegisters->Data,\r | |
1011 | Increment,\r | |
1012 | Buffer16\r | |
1013 | );\r | |
1014 | } else {\r | |
1015 | IdeWritePortWMultiple (\r | |
1016 | PciIo,\r | |
1017 | IdeRegisters->Data,\r | |
1018 | Increment,\r | |
1019 | Buffer16\r | |
1020 | );\r | |
1021 | }\r | |
1022 | \r | |
1023 | Status = CheckStatusRegister (PciIo, IdeRegisters);\r | |
1024 | if (EFI_ERROR (Status)) {\r | |
1025 | Status = EFI_DEVICE_ERROR;\r | |
1026 | goto Exit;\r | |
1027 | }\r | |
1028 | \r | |
1029 | WordCount += Increment;\r | |
1030 | Buffer16 += Increment;\r | |
1031 | }\r | |
1032 | \r | |
1033 | Status = DRQClear (PciIo, IdeRegisters, Timeout);\r | |
1034 | if (EFI_ERROR (Status)) {\r | |
1035 | Status = EFI_DEVICE_ERROR;\r | |
1036 | goto Exit;\r | |
1037 | }\r | |
1038 | \r | |
1039 | Exit:\r | |
1040 | //\r | |
1041 | // Dump All Ide registers to ATA_STATUS_BLOCK\r | |
1042 | //\r | |
1043 | DumpAllIdeRegisters (PciIo, IdeRegisters, AtaStatusBlock);\r | |
1044 | \r | |
490b5ea1 | 1045 | //\r |
1046 | // Not support the Non-blocking now,just do the blocking process.\r | |
1047 | //\r | |
a41b5272 | 1048 | return Status;\r |
1049 | }\r | |
1050 | \r | |
1051 | /**\r | |
1052 | Send ATA command into device with NON_DATA protocol\r | |
1053 | \r | |
490b5ea1 | 1054 | @param[in] PciIo A pointer to ATA_ATAPI_PASS_THRU_INSTANCE\r |
1055 | data structure.\r | |
1056 | @param[in] IdeRegisters A pointer to EFI_IDE_REGISTERS data structure.\r | |
1057 | @param[in] AtaCommandBlock A pointer to EFI_ATA_COMMAND_BLOCK data\r | |
1058 | structure.\r | |
1059 | @param[in, out] AtaStatusBlock A pointer to EFI_ATA_STATUS_BLOCK data structure.\r | |
8536cc4b | 1060 | @param[in] Timeout The time to complete the command, uses 100ns as a unit.\r |
490b5ea1 | 1061 | @param[in] Task Optional. Pointer to the ATA_NONBLOCK_TASK\r |
1062 | used by non-blocking mode.\r | |
a41b5272 | 1063 | \r |
1064 | @retval EFI_SUCCESS Reading succeed\r | |
1065 | @retval EFI_ABORTED Command failed\r | |
1066 | @retval EFI_DEVICE_ERROR Device status error.\r | |
1067 | \r | |
1068 | **/\r | |
1069 | EFI_STATUS\r | |
1070 | EFIAPI\r | |
1aff716a | 1071 | AtaNonDataCommandIn (\r |
a41b5272 | 1072 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r |
1073 | IN EFI_IDE_REGISTERS *IdeRegisters,\r | |
1074 | IN EFI_ATA_COMMAND_BLOCK *AtaCommandBlock,\r | |
1075 | IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock,\r | |
490b5ea1 | 1076 | IN UINT64 Timeout,\r |
1077 | IN ATA_NONBLOCK_TASK *Task\r | |
a41b5272 | 1078 | )\r |
1079 | {\r | |
1080 | EFI_STATUS Status;\r | |
1081 | \r | |
1082 | if ((PciIo == NULL) || (IdeRegisters == NULL) || (AtaCommandBlock == NULL)) {\r | |
1083 | return EFI_INVALID_PARAMETER;\r | |
1084 | }\r | |
1085 | \r | |
1086 | //\r | |
1087 | // Issue ATA command\r | |
1088 | //\r | |
1089 | Status = AtaIssueCommand (PciIo, IdeRegisters, AtaCommandBlock, Timeout);\r | |
1090 | if (EFI_ERROR (Status)) {\r | |
1091 | Status = EFI_DEVICE_ERROR;\r | |
1092 | goto Exit;\r | |
1093 | }\r | |
1094 | \r | |
1095 | //\r | |
1096 | // Wait for command completion\r | |
1097 | //\r | |
1098 | Status = WaitForBSYClear (PciIo, IdeRegisters, Timeout);\r | |
1099 | if (EFI_ERROR (Status)) {\r | |
1100 | Status = EFI_DEVICE_ERROR;\r | |
1101 | goto Exit;\r | |
1102 | }\r | |
1aff716a | 1103 | \r |
a41b5272 | 1104 | Status = CheckStatusRegister (PciIo, IdeRegisters);\r |
1105 | if (EFI_ERROR (Status)) {\r | |
1106 | Status = EFI_DEVICE_ERROR;\r | |
1107 | goto Exit;\r | |
1108 | }\r | |
1109 | \r | |
1110 | Exit:\r | |
1111 | //\r | |
1112 | // Dump All Ide registers to ATA_STATUS_BLOCK\r | |
1113 | //\r | |
1114 | DumpAllIdeRegisters (PciIo, IdeRegisters, AtaStatusBlock);\r | |
1aff716a | 1115 | \r |
490b5ea1 | 1116 | //\r |
1117 | // Not support the Non-blocking now,just do the blocking process.\r | |
1118 | //\r | |
1119 | return Status;\r | |
1120 | }\r | |
1121 | \r | |
1122 | /**\r | |
1123 | Wait for memory to be set.\r | |
1aff716a | 1124 | \r |
490b5ea1 | 1125 | @param[in] PciIo The PCI IO protocol instance.\r |
8536cc4b | 1126 | @param[in] IdeRegisters A pointer to EFI_IDE_REGISTERS data structure.\r |
ab82122d | 1127 | @param[in] Timeout The time to complete the command, uses 100ns as a unit.\r |
490b5ea1 | 1128 | \r |
1129 | @retval EFI_DEVICE_ERROR The memory is not set.\r | |
1130 | @retval EFI_TIMEOUT The memory setting is time out.\r | |
1131 | @retval EFI_SUCCESS The memory is correct set.\r | |
1132 | \r | |
1133 | **/\r | |
1134 | EFI_STATUS\r | |
1135 | AtaUdmStatusWait (\r | |
ab82122d TF |
1136 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r |
1137 | IN EFI_IDE_REGISTERS *IdeRegisters,\r | |
1138 | IN UINT64 Timeout\r | |
1aff716a | 1139 | )\r |
490b5ea1 | 1140 | {\r |
1141 | UINT8 RegisterValue;\r | |
1142 | EFI_STATUS Status;\r | |
8536cc4b | 1143 | UINT16 IoPortForBmis;\r |
ab82122d TF |
1144 | UINT64 Delay;\r |
1145 | BOOLEAN InfiniteWait;\r | |
1146 | \r | |
1147 | if (Timeout == 0) {\r | |
1148 | InfiniteWait = TRUE;\r | |
1149 | } else {\r | |
1150 | InfiniteWait = FALSE;\r | |
1151 | }\r | |
490b5ea1 | 1152 | \r |
ab82122d | 1153 | Delay = DivU64x32 (Timeout, 1000) + 1;\r |
490b5ea1 | 1154 | \r |
ab82122d | 1155 | do {\r |
8536cc4b | 1156 | Status = CheckStatusRegister (PciIo, IdeRegisters);\r |
1157 | if (EFI_ERROR (Status)) {\r | |
1158 | Status = EFI_DEVICE_ERROR;\r | |
1159 | break;\r | |
1160 | }\r | |
490b5ea1 | 1161 | \r |
8536cc4b | 1162 | IoPortForBmis = (UINT16) (IdeRegisters->BusMasterBaseAddr + BMIS_OFFSET);\r |
1163 | RegisterValue = IdeReadPortB (PciIo, IoPortForBmis);\r | |
490b5ea1 | 1164 | if (((RegisterValue & BMIS_ERROR) != 0) || (Timeout == 0)) {\r |
1165 | DEBUG ((EFI_D_ERROR, "ATA UDMA operation fails\n"));\r | |
1166 | Status = EFI_DEVICE_ERROR;\r | |
1167 | break;\r | |
1168 | }\r | |
1169 | \r | |
1170 | if ((RegisterValue & BMIS_INTERRUPT) != 0) {\r | |
1171 | Status = EFI_SUCCESS;\r | |
490b5ea1 | 1172 | break;\r |
1173 | }\r | |
1174 | //\r | |
ab82122d | 1175 | // Stall for 100 microseconds.\r |
490b5ea1 | 1176 | //\r |
ab82122d TF |
1177 | MicroSecondDelay (100);\r |
1178 | Delay--;\r | |
1179 | } while (InfiniteWait || (Delay > 0));\r | |
a41b5272 | 1180 | \r |
1181 | return Status;\r | |
1182 | }\r | |
1183 | \r | |
490b5ea1 | 1184 | /**\r |
1185 | Check if the memory to be set.\r | |
1aff716a | 1186 | \r |
490b5ea1 | 1187 | @param[in] PciIo The PCI IO protocol instance.\r |
1188 | @param[in] Task Optional. Pointer to the ATA_NONBLOCK_TASK\r | |
1189 | used by non-blocking mode.\r | |
8536cc4b | 1190 | @param[in] IdeRegisters A pointer to EFI_IDE_REGISTERS data structure.\r |
490b5ea1 | 1191 | \r |
1192 | @retval EFI_DEVICE_ERROR The memory setting met a issue.\r | |
1193 | @retval EFI_NOT_READY The memory is not set.\r | |
1194 | @retval EFI_TIMEOUT The memory setting is time out.\r | |
1195 | @retval EFI_SUCCESS The memory is correct set.\r | |
1196 | \r | |
1197 | **/\r | |
1198 | EFI_STATUS\r | |
1199 | AtaUdmStatusCheck (\r | |
1200 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
1201 | IN ATA_NONBLOCK_TASK *Task,\r | |
8536cc4b | 1202 | IN EFI_IDE_REGISTERS *IdeRegisters\r |
490b5ea1 | 1203 | )\r |
1204 | {\r | |
8536cc4b | 1205 | UINT8 RegisterValue;\r |
1206 | UINT16 IoPortForBmis;\r | |
1207 | EFI_STATUS Status;\r | |
490b5ea1 | 1208 | \r |
1209 | Task->RetryTimes--;\r | |
8536cc4b | 1210 | \r |
1211 | Status = CheckStatusRegister (PciIo, IdeRegisters);\r | |
1212 | if (EFI_ERROR (Status)) {\r | |
1213 | return EFI_DEVICE_ERROR;\r | |
1214 | }\r | |
1215 | \r | |
1216 | IoPortForBmis = (UINT16) (IdeRegisters->BusMasterBaseAddr + BMIS_OFFSET);\r | |
1217 | RegisterValue = IdeReadPortB (PciIo, IoPortForBmis);\r | |
490b5ea1 | 1218 | \r |
1219 | if ((RegisterValue & BMIS_ERROR) != 0) {\r | |
1220 | DEBUG ((EFI_D_ERROR, "ATA UDMA operation fails\n"));\r | |
1221 | return EFI_DEVICE_ERROR;\r | |
1222 | }\r | |
1223 | \r | |
1224 | if ((RegisterValue & BMIS_INTERRUPT) != 0) {\r | |
490b5ea1 | 1225 | return EFI_SUCCESS;\r |
1226 | }\r | |
1227 | \r | |
ab82122d | 1228 | if (!Task->InfiniteWait && (Task->RetryTimes == 0)) {\r |
490b5ea1 | 1229 | return EFI_TIMEOUT;\r |
1230 | } else {\r | |
1231 | //\r | |
1232 | // The memory is not set.\r | |
1233 | //\r | |
1234 | return EFI_NOT_READY;\r | |
1235 | }\r | |
1236 | }\r | |
a41b5272 | 1237 | \r |
1238 | /**\r | |
1239 | Perform an ATA Udma operation (Read, ReadExt, Write, WriteExt).\r | |
1240 | \r | |
490b5ea1 | 1241 | @param[in] Instance A pointer to ATA_ATAPI_PASS_THRU_INSTANCE data\r |
1242 | structure.\r | |
1243 | @param[in] IdeRegisters A pointer to EFI_IDE_REGISTERS data structure.\r | |
1244 | @param[in] Read Flag used to determine the data transfer\r | |
1245 | direction. Read equals 1, means data transferred\r | |
1246 | from device to host;Read equals 0, means data\r | |
1247 | transferred from host to device.\r | |
1248 | @param[in] DataBuffer A pointer to the source buffer for the data.\r | |
1249 | @param[in] DataLength The length of the data.\r | |
1250 | @param[in] AtaCommandBlock A pointer to EFI_ATA_COMMAND_BLOCK data structure.\r | |
1251 | @param[in, out] AtaStatusBlock A pointer to EFI_ATA_STATUS_BLOCK data structure.\r | |
8536cc4b | 1252 | @param[in] Timeout The time to complete the command, uses 100ns as a unit.\r |
490b5ea1 | 1253 | @param[in] Task Optional. Pointer to the ATA_NONBLOCK_TASK\r |
1254 | used by non-blocking mode.\r | |
a41b5272 | 1255 | \r |
1256 | @retval EFI_SUCCESS the operation is successful.\r | |
1257 | @retval EFI_OUT_OF_RESOURCES Build PRD table failed\r | |
1258 | @retval EFI_UNSUPPORTED Unknown channel or operations command\r | |
1259 | @retval EFI_DEVICE_ERROR Ata command execute failed\r | |
1260 | \r | |
1261 | **/\r | |
1262 | EFI_STATUS\r | |
1263 | EFIAPI\r | |
1264 | AtaUdmaInOut (\r | |
490b5ea1 | 1265 | IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance,\r |
1266 | IN EFI_IDE_REGISTERS *IdeRegisters,\r | |
1267 | IN BOOLEAN Read,\r | |
1268 | IN VOID *DataBuffer,\r | |
1269 | IN UINT64 DataLength,\r | |
1270 | IN EFI_ATA_COMMAND_BLOCK *AtaCommandBlock,\r | |
1271 | IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock,\r | |
1272 | IN UINT64 Timeout,\r | |
1273 | IN ATA_NONBLOCK_TASK *Task\r | |
a41b5272 | 1274 | )\r |
1275 | {\r | |
1276 | EFI_STATUS Status;\r | |
1277 | UINT16 IoPortForBmic;\r | |
1278 | UINT16 IoPortForBmis;\r | |
1279 | UINT16 IoPortForBmid;\r | |
1280 | \r | |
a41b5272 | 1281 | UINTN PrdTableSize;\r |
1282 | EFI_PHYSICAL_ADDRESS PrdTableMapAddr;\r | |
1283 | VOID *PrdTableMap;\r | |
51492422 | 1284 | EFI_PHYSICAL_ADDRESS PrdTableBaseAddr;\r |
2525e221 | 1285 | EFI_ATA_DMA_PRD *TempPrdBaseAddr;\r |
490b5ea1 | 1286 | UINTN PrdTableNum;\r |
a41b5272 | 1287 | \r |
490b5ea1 | 1288 | UINT8 RegisterValue;\r |
a41b5272 | 1289 | UINTN PageCount;\r |
1290 | UINTN ByteCount;\r | |
1291 | UINTN ByteRemaining;\r | |
a41b5272 | 1292 | UINT8 DeviceControl;\r |
1293 | \r | |
1294 | VOID *BufferMap;\r | |
1295 | EFI_PHYSICAL_ADDRESS BufferMapAddress;\r | |
1296 | EFI_PCI_IO_PROTOCOL_OPERATION PciIoOperation;\r | |
1297 | \r | |
1298 | UINT8 DeviceHead;\r | |
490b5ea1 | 1299 | EFI_PCI_IO_PROTOCOL *PciIo;\r |
1300 | EFI_TPL OldTpl;\r | |
a41b5272 | 1301 | \r |
51492422 FT |
1302 | UINTN AlignmentMask;\r |
1303 | UINTN RealPageCount;\r | |
1304 | EFI_PHYSICAL_ADDRESS BaseAddr;\r | |
1305 | EFI_PHYSICAL_ADDRESS BaseMapAddr;\r | |
490b5ea1 | 1306 | \r |
1307 | Status = EFI_SUCCESS;\r | |
490b5ea1 | 1308 | PrdTableMap = NULL;\r |
1309 | BufferMap = NULL;\r | |
1310 | PageCount = 0;\r | |
51492422 FT |
1311 | RealPageCount = 0;\r |
1312 | BaseAddr = 0;\r | |
490b5ea1 | 1313 | PciIo = Instance->PciIo;\r |
a41b5272 | 1314 | \r |
1315 | if ((PciIo == NULL) || (IdeRegisters == NULL) || (DataBuffer == NULL) || (AtaCommandBlock == NULL)) {\r | |
1316 | return EFI_INVALID_PARAMETER;\r | |
1317 | }\r | |
1318 | \r | |
490b5ea1 | 1319 | //\r |
1320 | // Before starting the Blocking BlockIO operation, push to finish all non-blocking\r | |
1321 | // BlockIO tasks.\r | |
1322 | // Delay 1ms to simulate the blocking time out checking.\r | |
1323 | //\r | |
1aff716a | 1324 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
490b5ea1 | 1325 | while ((Task == NULL) && (!IsListEmpty (&Instance->NonBlockingTaskList))) {\r |
490b5ea1 | 1326 | AsyncNonBlockingTransferRoutine (NULL, Instance);\r |
490b5ea1 | 1327 | //\r |
1328 | // Stall for 1 milliseconds.\r | |
1329 | //\r | |
1330 | MicroSecondDelay (1000);\r | |
1aff716a | 1331 | }\r |
1332 | gBS->RestoreTPL (OldTpl);\r | |
490b5ea1 | 1333 | \r |
a41b5272 | 1334 | //\r |
1335 | // The data buffer should be even alignment\r | |
1336 | //\r | |
1337 | if (((UINTN)DataBuffer & 0x1) != 0) {\r | |
1338 | return EFI_INVALID_PARAMETER;\r | |
1339 | }\r | |
1340 | \r | |
1341 | //\r | |
490b5ea1 | 1342 | // Set relevant IO Port address.\r |
a41b5272 | 1343 | //\r |
490b5ea1 | 1344 | IoPortForBmic = (UINT16) (IdeRegisters->BusMasterBaseAddr + BMIC_OFFSET);\r |
1345 | IoPortForBmis = (UINT16) (IdeRegisters->BusMasterBaseAddr + BMIS_OFFSET);\r | |
1346 | IoPortForBmid = (UINT16) (IdeRegisters->BusMasterBaseAddr + BMID_OFFSET);\r | |
a41b5272 | 1347 | \r |
1348 | //\r | |
1aff716a | 1349 | // For Blocking mode, start the command.\r |
490b5ea1 | 1350 | // For non-blocking mode, when the command is not started, start it, otherwise\r |
1351 | // go to check the status.\r | |
1aff716a | 1352 | //\r |
490b5ea1 | 1353 | if (((Task != NULL) && (!Task->IsStart)) || (Task == NULL)) {\r |
1354 | //\r | |
1355 | // Calculate the number of PRD entry.\r | |
1356 | // Every entry in PRD table can specify a 64K memory region.\r | |
1357 | //\r | |
1358 | PrdTableNum = (UINTN)(RShiftU64(DataLength, 16) + 1);\r | |
a41b5272 | 1359 | \r |
490b5ea1 | 1360 | //\r |
1361 | // Make sure that the memory region of PRD table is not cross 64K boundary\r | |
1362 | //\r | |
1363 | PrdTableSize = PrdTableNum * sizeof (EFI_ATA_DMA_PRD);\r | |
1364 | if (PrdTableSize > 0x10000) {\r | |
1365 | return EFI_INVALID_PARAMETER;\r | |
1366 | }\r | |
a41b5272 | 1367 | \r |
490b5ea1 | 1368 | //\r |
1369 | // Allocate buffer for PRD table initialization.\r | |
51492422 FT |
1370 | // Note Ide Bus Master spec said the descriptor table must be aligned on a 4 byte\r |
1371 | // boundary and the table cannot cross a 64K boundary in memory.\r | |
490b5ea1 | 1372 | //\r |
51492422 FT |
1373 | PageCount = EFI_SIZE_TO_PAGES (PrdTableSize);\r |
1374 | RealPageCount = PageCount + EFI_SIZE_TO_PAGES (SIZE_64KB);\r | |
1375 | \r | |
1376 | //\r | |
1377 | // Make sure that PageCount plus EFI_SIZE_TO_PAGES (SIZE_64KB) does not overflow.\r | |
1378 | //\r | |
1379 | ASSERT (RealPageCount > PageCount);\r | |
1380 | \r | |
490b5ea1 | 1381 | Status = PciIo->AllocateBuffer (\r |
1382 | PciIo,\r | |
1383 | AllocateAnyPages,\r | |
1384 | EfiBootServicesData,\r | |
51492422 FT |
1385 | RealPageCount,\r |
1386 | (VOID **)&BaseAddr,\r | |
490b5ea1 | 1387 | 0\r |
1388 | );\r | |
1389 | if (EFI_ERROR (Status)) {\r | |
1390 | return EFI_OUT_OF_RESOURCES;\r | |
1391 | }\r | |
a41b5272 | 1392 | \r |
51492422 | 1393 | ByteCount = EFI_PAGES_TO_SIZE (RealPageCount);\r |
490b5ea1 | 1394 | Status = PciIo->Map (\r |
1395 | PciIo,\r | |
1396 | EfiPciIoOperationBusMasterCommonBuffer,\r | |
51492422 | 1397 | (VOID*)(UINTN)BaseAddr,\r |
490b5ea1 | 1398 | &ByteCount,\r |
51492422 | 1399 | &BaseMapAddr,\r |
490b5ea1 | 1400 | &PrdTableMap\r |
1401 | );\r | |
51492422 | 1402 | if (EFI_ERROR (Status) || (ByteCount != EFI_PAGES_TO_SIZE (RealPageCount))) {\r |
490b5ea1 | 1403 | //\r |
1404 | // If the data length actually mapped is not equal to the requested amount,\r | |
1405 | // it means the DMA operation may be broken into several discontinuous smaller chunks.\r | |
1406 | // Can't handle this case.\r | |
1407 | //\r | |
51492422 | 1408 | PciIo->FreeBuffer (PciIo, RealPageCount, (VOID*)(UINTN)BaseAddr);\r |
490b5ea1 | 1409 | return EFI_OUT_OF_RESOURCES;\r |
1410 | }\r | |
a41b5272 | 1411 | \r |
51492422 FT |
1412 | ZeroMem ((VOID *) ((UINTN) BaseAddr), ByteCount);\r |
1413 | \r | |
1414 | //\r | |
1415 | // Calculate the 64K align address as PRD Table base address.\r | |
1416 | //\r | |
1417 | AlignmentMask = SIZE_64KB - 1;\r | |
1418 | PrdTableBaseAddr = ((UINTN) BaseAddr + AlignmentMask) & ~AlignmentMask;\r | |
1419 | PrdTableMapAddr = ((UINTN) BaseMapAddr + AlignmentMask) & ~AlignmentMask;\r | |
a41b5272 | 1420 | \r |
490b5ea1 | 1421 | //\r |
1422 | // Map the host address of DataBuffer to DMA master address.\r | |
1423 | //\r | |
1424 | if (Read) {\r | |
1425 | PciIoOperation = EfiPciIoOperationBusMasterWrite;\r | |
1426 | } else {\r | |
1427 | PciIoOperation = EfiPciIoOperationBusMasterRead;\r | |
1428 | }\r | |
a41b5272 | 1429 | \r |
490b5ea1 | 1430 | ByteCount = (UINTN)DataLength;\r |
1431 | Status = PciIo->Map (\r | |
1432 | PciIo,\r | |
1433 | PciIoOperation,\r | |
1434 | DataBuffer,\r | |
1435 | &ByteCount,\r | |
1436 | &BufferMapAddress,\r | |
1437 | &BufferMap\r | |
1438 | );\r | |
1439 | if (EFI_ERROR (Status) || (ByteCount != DataLength)) {\r | |
1440 | PciIo->Unmap (PciIo, PrdTableMap);\r | |
51492422 | 1441 | PciIo->FreeBuffer (PciIo, RealPageCount, (VOID*)(UINTN)BaseAddr);\r |
490b5ea1 | 1442 | return EFI_OUT_OF_RESOURCES;\r |
1443 | }\r | |
1444 | \r | |
1445 | //\r | |
1446 | // According to Ata spec, it requires the buffer address and size to be even.\r | |
1447 | //\r | |
1448 | ASSERT ((BufferMapAddress & 0x1) == 0);\r | |
1449 | ASSERT ((ByteCount & 0x1) == 0);\r | |
1450 | \r | |
1451 | //\r | |
1452 | // Fill the PRD table with appropriate bus master address of data buffer and data length.\r | |
1453 | //\r | |
2525e221 | 1454 | ByteRemaining = ByteCount;\r |
51492422 | 1455 | TempPrdBaseAddr = (EFI_ATA_DMA_PRD*)(UINTN)PrdTableBaseAddr;\r |
490b5ea1 | 1456 | while (ByteRemaining != 0) {\r |
1457 | if (ByteRemaining <= 0x10000) {\r | |
2525e221 | 1458 | TempPrdBaseAddr->RegionBaseAddr = (UINT32) ((UINTN) BufferMapAddress);\r |
1459 | TempPrdBaseAddr->ByteCount = (UINT16) ByteRemaining;\r | |
1460 | TempPrdBaseAddr->EndOfTable = 0x8000;\r | |
490b5ea1 | 1461 | break;\r |
1462 | }\r | |
a41b5272 | 1463 | \r |
2525e221 | 1464 | TempPrdBaseAddr->RegionBaseAddr = (UINT32) ((UINTN) BufferMapAddress);\r |
1465 | TempPrdBaseAddr->ByteCount = (UINT16) 0x0;\r | |
a41b5272 | 1466 | \r |
490b5ea1 | 1467 | ByteRemaining -= 0x10000;\r |
1468 | BufferMapAddress += 0x10000;\r | |
2525e221 | 1469 | TempPrdBaseAddr++;\r |
490b5ea1 | 1470 | }\r |
a41b5272 | 1471 | \r |
490b5ea1 | 1472 | //\r |
1473 | // Start to enable the DMA operation\r | |
1474 | //\r | |
1475 | DeviceHead = AtaCommandBlock->AtaDeviceHead;\r | |
a41b5272 | 1476 | \r |
490b5ea1 | 1477 | IdeWritePortB (PciIo, IdeRegisters->Head, (UINT8)(0xe0 | DeviceHead));\r |
a41b5272 | 1478 | \r |
490b5ea1 | 1479 | //\r |
1480 | // Enable interrupt to support UDMA\r | |
1481 | //\r | |
1482 | DeviceControl = 0;\r | |
1483 | IdeWritePortB (PciIo, IdeRegisters->AltOrDev, DeviceControl);\r | |
a41b5272 | 1484 | \r |
490b5ea1 | 1485 | //\r |
1486 | // Read BMIS register and clear ERROR and INTR bit\r | |
1487 | //\r | |
1488 | RegisterValue = IdeReadPortB(PciIo, IoPortForBmis);\r | |
1489 | RegisterValue |= (BMIS_INTERRUPT | BMIS_ERROR);\r | |
8536cc4b | 1490 | IdeWritePortB (PciIo, IoPortForBmis, RegisterValue);\r |
a41b5272 | 1491 | \r |
490b5ea1 | 1492 | //\r |
1493 | // Set the base address to BMID register\r | |
1494 | //\r | |
1495 | IdeWritePortDW (PciIo, IoPortForBmid, (UINT32)PrdTableMapAddr);\r | |
a41b5272 | 1496 | \r |
490b5ea1 | 1497 | //\r |
1498 | // Set BMIC register to identify the operation direction\r | |
1499 | //\r | |
1500 | RegisterValue = IdeReadPortB(PciIo, IoPortForBmic);\r | |
1501 | if (Read) {\r | |
1502 | RegisterValue |= BMIC_NREAD;\r | |
1503 | } else {\r | |
1504 | RegisterValue &= ~((UINT8) BMIC_NREAD);\r | |
1505 | }\r | |
1506 | IdeWritePortB (PciIo, IoPortForBmic, RegisterValue);\r | |
a41b5272 | 1507 | \r |
1aff716a | 1508 | if (Task != NULL) {\r |
1aff716a | 1509 | Task->Map = BufferMap;\r |
1510 | Task->TableMap = PrdTableMap;\r | |
51492422 FT |
1511 | Task->MapBaseAddress = (EFI_ATA_DMA_PRD*)(UINTN)BaseAddr;\r |
1512 | Task->PageCount = RealPageCount;\r | |
1aff716a | 1513 | Task->IsStart = TRUE;\r |
1514 | }\r | |
1515 | \r | |
490b5ea1 | 1516 | //\r |
1517 | // Issue ATA command\r | |
1518 | //\r | |
1519 | Status = AtaIssueCommand (PciIo, IdeRegisters, AtaCommandBlock, Timeout);\r | |
a41b5272 | 1520 | \r |
490b5ea1 | 1521 | if (EFI_ERROR (Status)) {\r |
1522 | Status = EFI_DEVICE_ERROR;\r | |
1523 | goto Exit;\r | |
1524 | }\r | |
a41b5272 | 1525 | \r |
8536cc4b | 1526 | Status = CheckStatusRegister (PciIo, IdeRegisters);\r |
1527 | if (EFI_ERROR (Status)) {\r | |
1528 | Status = EFI_DEVICE_ERROR;\r | |
1529 | goto Exit;\r | |
1530 | }\r | |
490b5ea1 | 1531 | //\r |
1532 | // Set START bit of BMIC register\r | |
1533 | //\r | |
1534 | RegisterValue = IdeReadPortB(PciIo, IoPortForBmic);\r | |
1535 | RegisterValue |= BMIC_START;\r | |
1536 | IdeWritePortB(PciIo, IoPortForBmic, RegisterValue);\r | |
a41b5272 | 1537 | \r |
a41b5272 | 1538 | }\r |
1539 | \r | |
a41b5272 | 1540 | //\r |
1541 | // Check the INTERRUPT and ERROR bit of BMIS\r | |
a41b5272 | 1542 | //\r |
490b5ea1 | 1543 | if (Task != NULL) {\r |
8536cc4b | 1544 | Status = AtaUdmStatusCheck (PciIo, Task, IdeRegisters);\r |
490b5ea1 | 1545 | } else {\r |
ab82122d | 1546 | Status = AtaUdmStatusWait (PciIo, IdeRegisters, Timeout);\r |
a41b5272 | 1547 | }\r |
1548 | \r | |
1549 | //\r | |
490b5ea1 | 1550 | // For blocking mode, clear registers and free buffers.\r |
1551 | // For non blocking mode, when the related registers have been set or time\r | |
1552 | // out, or a error has been happened, it needs to clear the register and free\r | |
1553 | // buffer.\r | |
a41b5272 | 1554 | //\r |
490b5ea1 | 1555 | if ((Task == NULL) || Status != EFI_NOT_READY) {\r |
1556 | //\r | |
1557 | // Read BMIS register and clear ERROR and INTR bit\r | |
1558 | //\r | |
1559 | RegisterValue = IdeReadPortB (PciIo, IoPortForBmis);\r | |
1560 | RegisterValue |= (BMIS_INTERRUPT | BMIS_ERROR);\r | |
1561 | IdeWritePortB (PciIo, IoPortForBmis, RegisterValue);\r | |
a41b5272 | 1562 | \r |
490b5ea1 | 1563 | //\r |
1564 | // Read Status Register of IDE device to clear interrupt\r | |
1565 | //\r | |
1566 | RegisterValue = IdeReadPortB(PciIo, IdeRegisters->CmdOrStatus);\r | |
a41b5272 | 1567 | \r |
490b5ea1 | 1568 | //\r |
1569 | // Clear START bit of BMIC register\r | |
1570 | //\r | |
1571 | RegisterValue = IdeReadPortB(PciIo, IoPortForBmic);\r | |
1572 | RegisterValue &= ~((UINT8) BMIC_START);\r | |
1573 | IdeWritePortB (PciIo, IoPortForBmic, RegisterValue);\r | |
a41b5272 | 1574 | \r |
490b5ea1 | 1575 | //\r |
1576 | // Disable interrupt of Select device\r | |
1577 | //\r | |
1578 | DeviceControl = IdeReadPortB (PciIo, IdeRegisters->AltOrDev);\r | |
1579 | DeviceControl |= ATA_CTLREG_IEN_L;\r | |
1580 | IdeWritePortB (PciIo, IdeRegisters->AltOrDev, DeviceControl);\r | |
1581 | //\r | |
1582 | // Stall for 10 milliseconds.\r | |
1583 | //\r | |
1584 | MicroSecondDelay (10000);\r | |
1585 | \r | |
1586 | }\r | |
a41b5272 | 1587 | \r |
1588 | Exit:\r | |
1589 | //\r | |
1590 | // Free all allocated resource\r | |
1591 | //\r | |
490b5ea1 | 1592 | if ((Task == NULL) || Status != EFI_NOT_READY) {\r |
1593 | if (Task != NULL) {\r | |
1594 | PciIo->Unmap (PciIo, Task->TableMap);\r | |
1595 | PciIo->FreeBuffer (PciIo, Task->PageCount, Task->MapBaseAddress);\r | |
1596 | PciIo->Unmap (PciIo, Task->Map);\r | |
1597 | } else {\r | |
1598 | PciIo->Unmap (PciIo, PrdTableMap);\r | |
51492422 | 1599 | PciIo->FreeBuffer (PciIo, RealPageCount, (VOID*)(UINTN)BaseAddr);\r |
490b5ea1 | 1600 | PciIo->Unmap (PciIo, BufferMap);\r |
1601 | }\r | |
a41b5272 | 1602 | \r |
490b5ea1 | 1603 | //\r |
1604 | // Dump All Ide registers to ATA_STATUS_BLOCK\r | |
1605 | //\r | |
1606 | DumpAllIdeRegisters (PciIo, IdeRegisters, AtaStatusBlock);\r | |
1607 | }\r | |
1aff716a | 1608 | \r |
a41b5272 | 1609 | return Status;\r |
1610 | }\r | |
1611 | \r | |
1612 | /**\r | |
1613 | This function reads the pending data in the device.\r | |
1614 | \r | |
1615 | @param PciIo A pointer to ATA_ATAPI_PASS_THRU_INSTANCE data structure.\r | |
1616 | @param IdeRegisters A pointer to EFI_IDE_REGISTERS data structure.\r | |
1617 | \r | |
1618 | @retval EFI_SUCCESS Successfully read.\r | |
1619 | @retval EFI_NOT_READY The BSY is set avoiding reading.\r | |
1620 | \r | |
1621 | **/\r | |
1622 | EFI_STATUS\r | |
1623 | EFIAPI\r | |
1624 | AtaPacketReadPendingData (\r | |
1625 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
1626 | IN EFI_IDE_REGISTERS *IdeRegisters\r | |
1627 | )\r | |
1628 | {\r | |
1629 | UINT8 AltRegister;\r | |
1630 | UINT16 TempWordBuffer;\r | |
1631 | \r | |
1632 | AltRegister = IdeReadPortB (PciIo, IdeRegisters->AltOrDev);\r | |
1633 | if ((AltRegister & ATA_STSREG_BSY) == ATA_STSREG_BSY) {\r | |
1634 | return EFI_NOT_READY;\r | |
1635 | }\r | |
1636 | \r | |
1637 | if ((AltRegister & (ATA_STSREG_BSY | ATA_STSREG_DRQ)) == ATA_STSREG_DRQ) {\r | |
1638 | TempWordBuffer = IdeReadPortB (PciIo, IdeRegisters->AltOrDev);\r | |
1639 | while ((TempWordBuffer & (ATA_STSREG_BSY | ATA_STSREG_DRQ)) == ATA_STSREG_DRQ) {\r | |
1640 | IdeReadPortWMultiple (\r | |
1641 | PciIo,\r | |
1aff716a | 1642 | IdeRegisters->Data,\r |
1643 | 1,\r | |
a41b5272 | 1644 | &TempWordBuffer\r |
1645 | );\r | |
1646 | TempWordBuffer = IdeReadPortB (PciIo, IdeRegisters->AltOrDev);\r | |
1647 | }\r | |
1648 | }\r | |
1649 | return EFI_SUCCESS;\r | |
1650 | }\r | |
1651 | \r | |
1652 | /**\r | |
1aff716a | 1653 | This function is called by AtaPacketCommandExecute().\r |
a41b5272 | 1654 | It is used to transfer data between host and device. The data direction is specified\r |
1655 | by the fourth parameter.\r | |
1656 | \r | |
1657 | @param PciIo A pointer to ATA_ATAPI_PASS_THRU_INSTANCE data structure.\r | |
1658 | @param IdeRegisters A pointer to EFI_IDE_REGISTERS data structure.\r | |
1659 | @param Buffer Buffer contained data transferred between host and device.\r | |
1660 | @param ByteCount Data size in byte unit of the buffer.\r | |
1661 | @param Read Flag used to determine the data transfer direction.\r | |
1662 | Read equals 1, means data transferred from device to host;\r | |
1663 | Read equals 0, means data transferred from host to device.\r | |
8536cc4b | 1664 | @param Timeout Timeout value for wait DRQ ready before each data stream's transfer\r |
1665 | , uses 100ns as a unit.\r | |
a41b5272 | 1666 | \r |
1667 | @retval EFI_SUCCESS data is transferred successfully.\r | |
1668 | @retval EFI_DEVICE_ERROR the device failed to transfer data.\r | |
1669 | **/\r | |
1670 | EFI_STATUS\r | |
1671 | EFIAPI\r | |
1672 | AtaPacketReadWrite (\r | |
1673 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
1674 | IN EFI_IDE_REGISTERS *IdeRegisters,\r | |
1675 | IN OUT VOID *Buffer,\r | |
f6a683e0 | 1676 | IN OUT UINT32 *ByteCount,\r |
a41b5272 | 1677 | IN BOOLEAN Read,\r |
1678 | IN UINT64 Timeout\r | |
1679 | )\r | |
1680 | {\r | |
1681 | UINT32 RequiredWordCount;\r | |
1682 | UINT32 ActualWordCount;\r | |
1683 | UINT32 WordCount;\r | |
1684 | EFI_STATUS Status;\r | |
1685 | UINT16 *PtrBuffer;\r | |
1686 | \r | |
f6a683e0 PB |
1687 | PtrBuffer = Buffer;\r |
1688 | RequiredWordCount = *ByteCount >> 1;\r | |
1689 | \r | |
a41b5272 | 1690 | //\r |
1691 | // No data transfer is premitted.\r | |
1692 | //\r | |
f6a683e0 | 1693 | if (RequiredWordCount == 0) {\r |
a41b5272 | 1694 | return EFI_SUCCESS;\r |
1695 | }\r | |
1aff716a | 1696 | \r |
a41b5272 | 1697 | //\r |
f6a683e0 | 1698 | // ActualWordCount means the word count of data really transferred.\r |
a41b5272 | 1699 | //\r |
1700 | ActualWordCount = 0;\r | |
1701 | \r | |
1702 | while (ActualWordCount < RequiredWordCount) {\r | |
1703 | //\r | |
1704 | // before each data transfer stream, the host should poll DRQ bit ready,\r | |
1705 | // to see whether indicates device is ready to transfer data.\r | |
1706 | //\r | |
1707 | Status = DRQReady2 (PciIo, IdeRegisters, Timeout);\r | |
1708 | if (EFI_ERROR (Status)) {\r | |
f6a683e0 PB |
1709 | if (Status == EFI_NOT_READY) {\r |
1710 | //\r | |
1711 | // Device provided less data than we intended to read, or wanted less\r | |
1712 | // data than we intended to write, but it may still be successful.\r | |
1713 | //\r | |
1714 | break;\r | |
1715 | } else {\r | |
1716 | return Status;\r | |
1717 | }\r | |
a41b5272 | 1718 | }\r |
1719 | \r | |
1720 | //\r | |
1721 | // get current data transfer size from Cylinder Registers.\r | |
1722 | //\r | |
1723 | WordCount = IdeReadPortB (PciIo, IdeRegisters->CylinderMsb) << 8;\r | |
1724 | WordCount = WordCount | IdeReadPortB (PciIo, IdeRegisters->CylinderLsb);\r | |
1725 | WordCount = WordCount & 0xffff;\r | |
1726 | WordCount /= 2;\r | |
1727 | \r | |
1728 | WordCount = MIN (WordCount, (RequiredWordCount - ActualWordCount));\r | |
1729 | \r | |
1730 | if (Read) {\r | |
1731 | IdeReadPortWMultiple (\r | |
1732 | PciIo,\r | |
1733 | IdeRegisters->Data,\r | |
1734 | WordCount,\r | |
1735 | PtrBuffer\r | |
1736 | );\r | |
1737 | } else {\r | |
1738 | IdeWritePortWMultiple (\r | |
1739 | PciIo,\r | |
1740 | IdeRegisters->Data,\r | |
1741 | WordCount,\r | |
1742 | PtrBuffer\r | |
1743 | );\r | |
1744 | }\r | |
1745 | \r | |
1746 | //\r | |
1747 | // read status register to check whether error happens.\r | |
1748 | //\r | |
1749 | Status = CheckStatusRegister (PciIo, IdeRegisters);\r | |
1750 | if (EFI_ERROR (Status)) {\r | |
1751 | return EFI_DEVICE_ERROR;\r | |
1752 | }\r | |
1753 | \r | |
1754 | PtrBuffer += WordCount;\r | |
1755 | ActualWordCount += WordCount;\r | |
1756 | }\r | |
1aff716a | 1757 | \r |
a41b5272 | 1758 | if (Read) {\r |
1759 | //\r | |
1760 | // In the case where the drive wants to send more data than we need to read,\r | |
1761 | // the DRQ bit will be set and cause delays from DRQClear2().\r | |
1762 | // We need to read data from the drive until it clears DRQ so we can move on.\r | |
1763 | //\r | |
1764 | AtaPacketReadPendingData (PciIo, IdeRegisters);\r | |
1765 | }\r | |
1766 | \r | |
1767 | //\r | |
1768 | // read status register to check whether error happens.\r | |
1769 | //\r | |
1770 | Status = CheckStatusRegister (PciIo, IdeRegisters);\r | |
1771 | if (EFI_ERROR (Status)) {\r | |
1772 | return EFI_DEVICE_ERROR;\r | |
1773 | }\r | |
1774 | \r | |
1775 | //\r | |
1776 | // After data transfer is completed, normally, DRQ bit should clear.\r | |
1777 | //\r | |
8536cc4b | 1778 | Status = DRQClear (PciIo, IdeRegisters, Timeout);\r |
a41b5272 | 1779 | if (EFI_ERROR (Status)) {\r |
1780 | return EFI_DEVICE_ERROR;\r | |
1781 | }\r | |
1aff716a | 1782 | \r |
f6a683e0 | 1783 | *ByteCount = ActualWordCount << 1;\r |
a41b5272 | 1784 | return Status;\r |
1785 | }\r | |
1786 | \r | |
a41b5272 | 1787 | /**\r |
1aff716a | 1788 | This function is used to send out ATAPI commands conforms to the Packet Command\r |
a41b5272 | 1789 | with PIO Data In Protocol.\r |
1790 | \r | |
1791 | @param[in] PciIo Pointer to the EFI_PCI_IO_PROTOCOL instance\r | |
1792 | @param[in] IdeRegisters Pointer to EFI_IDE_REGISTERS which is used to\r | |
1793 | store the IDE i/o port registers' base addresses\r | |
1794 | @param[in] Channel The channel number of device.\r | |
1795 | @param[in] Device The device number of device.\r | |
1796 | @param[in] Packet A pointer to EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET data structure.\r | |
1797 | \r | |
1798 | @retval EFI_SUCCESS send out the ATAPI packet command successfully\r | |
1799 | and device sends data successfully.\r | |
1800 | @retval EFI_DEVICE_ERROR the device failed to send data.\r | |
1801 | \r | |
1802 | **/\r | |
1803 | EFI_STATUS\r | |
1804 | EFIAPI\r | |
1805 | AtaPacketCommandExecute (\r | |
1806 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
1807 | IN EFI_IDE_REGISTERS *IdeRegisters,\r | |
1808 | IN UINT8 Channel,\r | |
1809 | IN UINT8 Device,\r | |
1810 | IN EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r | |
1811 | )\r | |
1812 | {\r | |
a41b5272 | 1813 | EFI_ATA_COMMAND_BLOCK AtaCommandBlock;\r |
1814 | EFI_STATUS Status;\r | |
1815 | UINT8 Count;\r | |
1816 | UINT8 PacketCommand[12];\r | |
1817 | \r | |
1818 | ZeroMem (&AtaCommandBlock, sizeof (EFI_ATA_COMMAND_BLOCK));\r | |
1819 | \r | |
1820 | //\r | |
1821 | // Fill ATAPI Command Packet according to CDB.\r | |
1822 | // For Atapi cmd, its length should be less than or equal to 12 bytes.\r | |
1823 | //\r | |
1824 | if (Packet->CdbLength > 12) {\r | |
1825 | return EFI_INVALID_PARAMETER;\r | |
1826 | }\r | |
1827 | \r | |
1828 | ZeroMem (PacketCommand, 12);\r | |
1829 | CopyMem (PacketCommand, Packet->Cdb, Packet->CdbLength);\r | |
1830 | \r | |
1831 | //\r | |
1832 | // No OVL; No DMA\r | |
1833 | //\r | |
1834 | AtaCommandBlock.AtaFeatures = 0x00;\r | |
1835 | //\r | |
1836 | // set the transfersize to ATAPI_MAX_BYTE_COUNT to let the device\r | |
1837 | // determine how many data should be transferred.\r | |
1838 | //\r | |
1839 | AtaCommandBlock.AtaCylinderLow = (UINT8) (ATAPI_MAX_BYTE_COUNT & 0x00ff);\r | |
1840 | AtaCommandBlock.AtaCylinderHigh = (UINT8) (ATAPI_MAX_BYTE_COUNT >> 8);\r | |
aca84419 | 1841 | AtaCommandBlock.AtaDeviceHead = (UINT8) (Device << 0x4);\r |
a41b5272 | 1842 | AtaCommandBlock.AtaCommand = ATA_CMD_PACKET;\r |
1843 | \r | |
1844 | IdeWritePortB (PciIo, IdeRegisters->Head, (UINT8)(0xe0 | (Device << 0x4)));\r | |
1845 | //\r | |
1846 | // Disable interrupt\r | |
1847 | //\r | |
1848 | IdeWritePortB (PciIo, IdeRegisters->AltOrDev, ATA_DEFAULT_CTL);\r | |
1849 | \r | |
1850 | //\r | |
1851 | // Issue ATA PACKET command firstly\r | |
1852 | //\r | |
1853 | Status = AtaIssueCommand (PciIo, IdeRegisters, &AtaCommandBlock, Packet->Timeout);\r | |
1854 | if (EFI_ERROR (Status)) {\r | |
1855 | return Status;\r | |
1856 | }\r | |
1857 | \r | |
1858 | Status = DRQReady (PciIo, IdeRegisters, Packet->Timeout);\r | |
1859 | if (EFI_ERROR (Status)) {\r | |
1860 | return Status;\r | |
1861 | }\r | |
1862 | \r | |
1863 | //\r | |
1864 | // Send out ATAPI command packet\r | |
1865 | //\r | |
1866 | for (Count = 0; Count < 6; Count++) {\r | |
1aff716a | 1867 | IdeWritePortW (PciIo, IdeRegisters->Data, *((UINT16*)PacketCommand + Count));\r |
a41b5272 | 1868 | //\r |
1869 | // Stall for 10 microseconds.\r | |
1870 | //\r | |
1871 | MicroSecondDelay (10);\r | |
1872 | }\r | |
1873 | \r | |
1874 | //\r | |
1875 | // Read/Write the data of ATAPI Command\r | |
1876 | //\r | |
1877 | if (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) {\r | |
73a9e822 TF |
1878 | Status = AtaPacketReadWrite (\r |
1879 | PciIo,\r | |
1880 | IdeRegisters,\r | |
1881 | Packet->InDataBuffer,\r | |
f6a683e0 | 1882 | &Packet->InTransferLength,\r |
73a9e822 TF |
1883 | TRUE,\r |
1884 | Packet->Timeout\r | |
1885 | );\r | |
a41b5272 | 1886 | } else {\r |
73a9e822 TF |
1887 | Status = AtaPacketReadWrite (\r |
1888 | PciIo,\r | |
1889 | IdeRegisters,\r | |
1890 | Packet->OutDataBuffer,\r | |
f6a683e0 | 1891 | &Packet->OutTransferLength,\r |
73a9e822 TF |
1892 | FALSE,\r |
1893 | Packet->Timeout\r | |
1894 | );\r | |
a41b5272 | 1895 | }\r |
1896 | \r | |
73a9e822 | 1897 | return Status;\r |
a41b5272 | 1898 | }\r |
1899 | \r | |
1900 | \r | |
1901 | /**\r | |
1902 | Set the calculated Best transfer mode to a detected device.\r | |
1903 | \r | |
1904 | @param Instance A pointer to ATA_ATAPI_PASS_THRU_INSTANCE data structure.\r | |
1905 | @param Channel The channel number of device.\r | |
1906 | @param Device The device number of device.\r | |
1907 | @param TransferMode A pointer to EFI_ATA_TRANSFER_MODE data structure.\r | |
1908 | @param AtaStatusBlock A pointer to EFI_ATA_STATUS_BLOCK data structure.\r | |
1909 | \r | |
1910 | @retval EFI_SUCCESS Set transfer mode successfully.\r | |
1911 | @retval EFI_DEVICE_ERROR Set transfer mode failed.\r | |
1912 | @retval EFI_OUT_OF_RESOURCES Allocate memory failed.\r | |
1913 | \r | |
1914 | **/\r | |
1915 | EFI_STATUS\r | |
1916 | EFIAPI\r | |
1917 | SetDeviceTransferMode (\r | |
1918 | IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance,\r | |
1919 | IN UINT8 Channel,\r | |
1920 | IN UINT8 Device,\r | |
1921 | IN EFI_ATA_TRANSFER_MODE *TransferMode,\r | |
1922 | IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock\r | |
1923 | )\r | |
1924 | {\r | |
1925 | EFI_STATUS Status;\r | |
1926 | EFI_ATA_COMMAND_BLOCK AtaCommandBlock;\r | |
1927 | \r | |
1928 | ZeroMem (&AtaCommandBlock, sizeof (EFI_ATA_COMMAND_BLOCK));\r | |
1929 | \r | |
1930 | AtaCommandBlock.AtaCommand = ATA_CMD_SET_FEATURES;\r | |
1931 | AtaCommandBlock.AtaDeviceHead = (UINT8)(Device << 0x4);\r | |
1932 | AtaCommandBlock.AtaFeatures = 0x03;\r | |
1933 | AtaCommandBlock.AtaSectorCount = *((UINT8 *)TransferMode);\r | |
1934 | \r | |
1935 | //\r | |
1936 | // Send SET FEATURE command (sub command 0x03) to set pio mode.\r | |
1937 | //\r | |
1938 | Status = AtaNonDataCommandIn (\r | |
1939 | Instance->PciIo,\r | |
1940 | &Instance->IdeRegisters[Channel],\r | |
1941 | &AtaCommandBlock,\r | |
1942 | AtaStatusBlock,\r | |
490b5ea1 | 1943 | ATA_ATAPI_TIMEOUT,\r |
1944 | NULL\r | |
a41b5272 | 1945 | );\r |
1946 | \r | |
1947 | return Status;\r | |
1948 | }\r | |
1949 | \r | |
1950 | /**\r | |
1951 | Set drive parameters for devices not support PACKETS command.\r | |
1952 | \r | |
1953 | @param Instance A pointer to ATA_ATAPI_PASS_THRU_INSTANCE data structure.\r | |
1954 | @param Channel The channel number of device.\r | |
1955 | @param Device The device number of device.\r | |
1956 | @param DriveParameters A pointer to EFI_ATA_DRIVE_PARMS data structure.\r | |
1957 | @param AtaStatusBlock A pointer to EFI_ATA_STATUS_BLOCK data structure.\r | |
1958 | \r | |
1959 | @retval EFI_SUCCESS Set drive parameter successfully.\r | |
1960 | @retval EFI_DEVICE_ERROR Set drive parameter failed.\r | |
1961 | @retval EFI_OUT_OF_RESOURCES Allocate memory failed.\r | |
1962 | \r | |
1963 | **/\r | |
1964 | EFI_STATUS\r | |
1965 | EFIAPI\r | |
1966 | SetDriveParameters (\r | |
1967 | IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance,\r | |
1968 | IN UINT8 Channel,\r | |
1969 | IN UINT8 Device,\r | |
1970 | IN EFI_ATA_DRIVE_PARMS *DriveParameters,\r | |
1971 | IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock\r | |
a41b5272 | 1972 | )\r |
1973 | {\r | |
1974 | EFI_STATUS Status;\r | |
1975 | EFI_ATA_COMMAND_BLOCK AtaCommandBlock;\r | |
1976 | \r | |
1977 | ZeroMem (&AtaCommandBlock, sizeof (EFI_ATA_COMMAND_BLOCK));\r | |
1aff716a | 1978 | \r |
a41b5272 | 1979 | AtaCommandBlock.AtaCommand = ATA_CMD_INIT_DRIVE_PARAM;\r |
1980 | AtaCommandBlock.AtaSectorCount = DriveParameters->Sector;\r | |
1981 | AtaCommandBlock.AtaDeviceHead = (UINT8) ((Device << 0x4) + DriveParameters->Heads);\r | |
1982 | \r | |
1983 | //\r | |
1984 | // Send Init drive parameters\r | |
1985 | //\r | |
1986 | Status = AtaNonDataCommandIn (\r | |
1987 | Instance->PciIo,\r | |
1988 | &Instance->IdeRegisters[Channel],\r | |
1989 | &AtaCommandBlock,\r | |
1990 | AtaStatusBlock,\r | |
1aff716a | 1991 | ATA_ATAPI_TIMEOUT,\r |
490b5ea1 | 1992 | NULL\r |
a41b5272 | 1993 | );\r |
1994 | \r | |
1995 | //\r | |
1996 | // Send Set Multiple parameters\r | |
1997 | //\r | |
1998 | AtaCommandBlock.AtaCommand = ATA_CMD_SET_MULTIPLE_MODE;\r | |
1999 | AtaCommandBlock.AtaSectorCount = DriveParameters->MultipleSector;\r | |
2000 | AtaCommandBlock.AtaDeviceHead = (UINT8)(Device << 0x4);\r | |
2001 | \r | |
2002 | Status = AtaNonDataCommandIn (\r | |
2003 | Instance->PciIo,\r | |
2004 | &Instance->IdeRegisters[Channel],\r | |
2005 | &AtaCommandBlock,\r | |
2006 | AtaStatusBlock,\r | |
1aff716a | 2007 | ATA_ATAPI_TIMEOUT,\r |
490b5ea1 | 2008 | NULL\r |
a41b5272 | 2009 | );\r |
2010 | \r | |
2011 | return Status;\r | |
2012 | }\r | |
2013 | \r | |
12873d57 | 2014 | /**\r |
2015 | Send SMART Return Status command to check if the execution of SMART cmd is successful or not.\r | |
2016 | \r | |
2017 | @param Instance A pointer to ATA_ATAPI_PASS_THRU_INSTANCE data structure.\r | |
2018 | @param Channel The channel number of device.\r | |
2019 | @param Device The device number of device.\r | |
2020 | @param AtaStatusBlock A pointer to EFI_ATA_STATUS_BLOCK data structure.\r | |
2021 | \r | |
2022 | @retval EFI_SUCCESS Successfully get the return status of S.M.A.R.T command execution.\r | |
2023 | @retval Others Fail to get return status data.\r | |
2024 | \r | |
2025 | **/\r | |
2026 | EFI_STATUS\r | |
2027 | EFIAPI\r | |
2028 | IdeAtaSmartReturnStatusCheck (\r | |
2029 | IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance,\r | |
2030 | IN UINT8 Channel,\r | |
2031 | IN UINT8 Device,\r | |
2032 | IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock\r | |
2033 | )\r | |
2034 | {\r | |
2035 | EFI_STATUS Status;\r | |
2036 | EFI_ATA_COMMAND_BLOCK AtaCommandBlock;\r | |
2037 | UINT8 LBAMid;\r | |
2038 | UINT8 LBAHigh;\r | |
2039 | \r | |
2040 | ZeroMem (&AtaCommandBlock, sizeof (EFI_ATA_COMMAND_BLOCK));\r | |
2041 | \r | |
2042 | AtaCommandBlock.AtaCommand = ATA_CMD_SMART;\r | |
2043 | AtaCommandBlock.AtaFeatures = ATA_SMART_RETURN_STATUS;\r | |
2044 | AtaCommandBlock.AtaCylinderLow = ATA_CONSTANT_4F;\r | |
2045 | AtaCommandBlock.AtaCylinderHigh = ATA_CONSTANT_C2;\r | |
2046 | AtaCommandBlock.AtaDeviceHead = (UINT8) ((Device << 0x4) | 0xe0);\r | |
2047 | \r | |
2048 | //\r | |
2049 | // Send S.M.A.R.T Read Return Status command to device\r | |
2050 | //\r | |
2051 | Status = AtaNonDataCommandIn (\r | |
2052 | Instance->PciIo,\r | |
2053 | &Instance->IdeRegisters[Channel],\r | |
2054 | &AtaCommandBlock,\r | |
2055 | AtaStatusBlock,\r | |
490b5ea1 | 2056 | ATA_ATAPI_TIMEOUT,\r |
2057 | NULL\r | |
12873d57 | 2058 | );\r |
2059 | \r | |
2060 | if (EFI_ERROR (Status)) {\r | |
cffd2171 EL |
2061 | REPORT_STATUS_CODE (\r |
2062 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
2063 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_ATA_BUS_SMART_DISABLED)\r | |
2064 | );\r | |
12873d57 | 2065 | return EFI_DEVICE_ERROR;\r |
2066 | }\r | |
2067 | \r | |
cffd2171 EL |
2068 | REPORT_STATUS_CODE (\r |
2069 | EFI_PROGRESS_CODE,\r | |
2070 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_ATA_BUS_SMART_ENABLE)\r | |
2071 | );\r | |
2072 | \r | |
12873d57 | 2073 | LBAMid = IdeReadPortB (Instance->PciIo, Instance->IdeRegisters[Channel].CylinderLsb);\r |
2074 | LBAHigh = IdeReadPortB (Instance->PciIo, Instance->IdeRegisters[Channel].CylinderMsb);\r | |
2075 | \r | |
2076 | if ((LBAMid == 0x4f) && (LBAHigh == 0xc2)) {\r | |
2077 | //\r | |
2078 | // The threshold exceeded condition is not detected by the device\r | |
2079 | //\r | |
2080 | DEBUG ((EFI_D_INFO, "The S.M.A.R.T threshold exceeded condition is not detected\n"));\r | |
cffd2171 EL |
2081 | REPORT_STATUS_CODE (\r |
2082 | EFI_PROGRESS_CODE,\r | |
2083 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_ATA_BUS_SMART_UNDERTHRESHOLD)\r | |
2084 | );\r | |
12873d57 | 2085 | } else if ((LBAMid == 0xf4) && (LBAHigh == 0x2c)) {\r |
2086 | //\r | |
2087 | // The threshold exceeded condition is detected by the device\r | |
2088 | //\r | |
2089 | DEBUG ((EFI_D_INFO, "The S.M.A.R.T threshold exceeded condition is detected\n"));\r | |
cffd2171 EL |
2090 | REPORT_STATUS_CODE (\r |
2091 | EFI_PROGRESS_CODE,\r | |
2092 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_ATA_BUS_SMART_OVERTHRESHOLD)\r | |
2093 | );\r | |
12873d57 | 2094 | }\r |
2095 | \r | |
2096 | return EFI_SUCCESS;\r | |
2097 | }\r | |
2098 | \r | |
2099 | /**\r | |
2100 | Enable SMART command of the disk if supported.\r | |
2101 | \r | |
2102 | @param Instance A pointer to ATA_ATAPI_PASS_THRU_INSTANCE data structure.\r | |
2103 | @param Channel The channel number of device.\r | |
2104 | @param Device The device number of device.\r | |
2105 | @param IdentifyData A pointer to data buffer which is used to contain IDENTIFY data.\r | |
2106 | @param AtaStatusBlock A pointer to EFI_ATA_STATUS_BLOCK data structure.\r | |
2107 | \r | |
2108 | **/\r | |
2109 | VOID\r | |
2110 | EFIAPI\r | |
2111 | IdeAtaSmartSupport (\r | |
2112 | IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance,\r | |
2113 | IN UINT8 Channel,\r | |
2114 | IN UINT8 Device,\r | |
2115 | IN EFI_IDENTIFY_DATA *IdentifyData,\r | |
2116 | IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock\r | |
2117 | )\r | |
2118 | {\r | |
2119 | EFI_STATUS Status;\r | |
2120 | EFI_ATA_COMMAND_BLOCK AtaCommandBlock;\r | |
2121 | \r | |
2122 | //\r | |
2123 | // Detect if the device supports S.M.A.R.T.\r | |
2124 | //\r | |
2125 | if ((IdentifyData->AtaData.command_set_supported_82 & 0x0001) != 0x0001) {\r | |
2126 | //\r | |
2127 | // S.M.A.R.T is not supported by the device\r | |
2128 | //\r | |
1aff716a | 2129 | DEBUG ((EFI_D_INFO, "S.M.A.R.T feature is not supported at [%a] channel [%a] device!\n",\r |
12873d57 | 2130 | (Channel == 1) ? "secondary" : "primary", (Device == 1) ? "slave" : "master"));\r |
cffd2171 EL |
2131 | REPORT_STATUS_CODE (\r |
2132 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
2133 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_ATA_BUS_SMART_NOTSUPPORTED)\r | |
2134 | );\r | |
12873d57 | 2135 | } else {\r |
2136 | //\r | |
2137 | // Check if the feature is enabled. If not, then enable S.M.A.R.T.\r | |
2138 | //\r | |
2139 | if ((IdentifyData->AtaData.command_set_feature_enb_85 & 0x0001) != 0x0001) {\r | |
2140 | \r | |
cffd2171 EL |
2141 | REPORT_STATUS_CODE (\r |
2142 | EFI_PROGRESS_CODE,\r | |
2143 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_ATA_BUS_SMART_DISABLE)\r | |
2144 | );\r | |
2145 | \r | |
12873d57 | 2146 | ZeroMem (&AtaCommandBlock, sizeof (EFI_ATA_COMMAND_BLOCK));\r |
2147 | \r | |
2148 | AtaCommandBlock.AtaCommand = ATA_CMD_SMART;\r | |
2149 | AtaCommandBlock.AtaFeatures = ATA_SMART_ENABLE_OPERATION;\r | |
2150 | AtaCommandBlock.AtaCylinderLow = ATA_CONSTANT_4F;\r | |
2151 | AtaCommandBlock.AtaCylinderHigh = ATA_CONSTANT_C2;\r | |
2152 | AtaCommandBlock.AtaDeviceHead = (UINT8) ((Device << 0x4) | 0xe0);\r | |
2153 | \r | |
2154 | //\r | |
2155 | // Send S.M.A.R.T Enable command to device\r | |
2156 | //\r | |
2157 | Status = AtaNonDataCommandIn (\r | |
2158 | Instance->PciIo,\r | |
2159 | &Instance->IdeRegisters[Channel],\r | |
2160 | &AtaCommandBlock,\r | |
2161 | AtaStatusBlock,\r | |
490b5ea1 | 2162 | ATA_ATAPI_TIMEOUT,\r |
2163 | NULL\r | |
12873d57 | 2164 | );\r |
2165 | \r | |
2166 | if (!EFI_ERROR (Status)) {\r | |
2167 | //\r | |
2168 | // Send S.M.A.R.T AutoSave command to device\r | |
2169 | //\r | |
2170 | ZeroMem (&AtaCommandBlock, sizeof (EFI_ATA_COMMAND_BLOCK));\r | |
2171 | \r | |
2172 | AtaCommandBlock.AtaCommand = ATA_CMD_SMART;\r | |
2173 | AtaCommandBlock.AtaFeatures = 0xD2;\r | |
2174 | AtaCommandBlock.AtaSectorCount = 0xF1;\r | |
2175 | AtaCommandBlock.AtaCylinderLow = ATA_CONSTANT_4F;\r | |
2176 | AtaCommandBlock.AtaCylinderHigh = ATA_CONSTANT_C2;\r | |
2177 | AtaCommandBlock.AtaDeviceHead = (UINT8) ((Device << 0x4) | 0xe0);\r | |
2178 | \r | |
2179 | Status = AtaNonDataCommandIn (\r | |
2180 | Instance->PciIo,\r | |
2181 | &Instance->IdeRegisters[Channel],\r | |
2182 | &AtaCommandBlock,\r | |
2183 | AtaStatusBlock,\r | |
490b5ea1 | 2184 | ATA_ATAPI_TIMEOUT,\r |
2185 | NULL\r | |
12873d57 | 2186 | );\r |
2187 | if (!EFI_ERROR (Status)) {\r | |
2188 | Status = IdeAtaSmartReturnStatusCheck (\r | |
2189 | Instance,\r | |
2190 | Channel,\r | |
2191 | Device,\r | |
2192 | AtaStatusBlock\r | |
2193 | );\r | |
2194 | }\r | |
2195 | }\r | |
2196 | }\r | |
2197 | \r | |
1aff716a | 2198 | DEBUG ((EFI_D_INFO, "Enabled S.M.A.R.T feature at [%a] channel [%a] device!\n",\r |
12873d57 | 2199 | (Channel == 1) ? "secondary" : "primary", (Device == 1) ? "slave" : "master"));\r |
2200 | \r | |
2201 | }\r | |
2202 | \r | |
2203 | return ;\r | |
2204 | }\r | |
2205 | \r | |
490b5ea1 | 2206 | \r |
a41b5272 | 2207 | /**\r |
2208 | Sends out an ATA Identify Command to the specified device.\r | |
2209 | \r | |
2210 | This function is called by DiscoverIdeDevice() during its device\r | |
2211 | identification. It sends out the ATA Identify Command to the\r | |
2212 | specified device. Only ATA device responses to this command. If\r | |
2213 | the command succeeds, it returns the Identify data structure which\r | |
2214 | contains information about the device. This function extracts the\r | |
2215 | information it needs to fill the IDE_BLK_IO_DEV data structure,\r | |
2216 | including device type, media block size, media capacity, and etc.\r | |
2217 | \r | |
2218 | @param Instance A pointer to ATA_ATAPI_PASS_THRU_INSTANCE data structure.\r | |
2219 | @param Channel The channel number of device.\r | |
2220 | @param Device The device number of device.\r | |
2221 | @param Buffer A pointer to data buffer which is used to contain IDENTIFY data.\r | |
2222 | @param AtaStatusBlock A pointer to EFI_ATA_STATUS_BLOCK data structure.\r | |
2223 | \r | |
2224 | @retval EFI_SUCCESS Identify ATA device successfully.\r | |
2225 | @retval EFI_DEVICE_ERROR ATA Identify Device Command failed or device is not ATA device.\r | |
2226 | @retval EFI_OUT_OF_RESOURCES Allocate memory failed.\r | |
490b5ea1 | 2227 | \r |
a41b5272 | 2228 | **/\r |
2229 | EFI_STATUS\r | |
2230 | EFIAPI\r | |
2231 | AtaIdentify (\r | |
2232 | IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance,\r | |
2233 | IN UINT8 Channel,\r | |
2234 | IN UINT8 Device,\r | |
2235 | IN OUT EFI_IDENTIFY_DATA *Buffer,\r | |
2236 | IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock\r | |
2237 | )\r | |
2238 | {\r | |
2239 | EFI_STATUS Status;\r | |
490b5ea1 | 2240 | EFI_ATA_COMMAND_BLOCK AtaCommandBlock;\r |
a41b5272 | 2241 | \r |
2242 | ZeroMem (&AtaCommandBlock, sizeof (EFI_ATA_COMMAND_BLOCK));\r | |
490b5ea1 | 2243 | \r |
a41b5272 | 2244 | AtaCommandBlock.AtaCommand = ATA_CMD_IDENTIFY_DRIVE;\r |
2245 | AtaCommandBlock.AtaDeviceHead = (UINT8)(Device << 0x4);\r | |
2246 | \r | |
2247 | Status = AtaPioDataInOut (\r | |
2248 | Instance->PciIo,\r | |
2249 | &Instance->IdeRegisters[Channel],\r | |
2250 | Buffer,\r | |
2251 | sizeof (EFI_IDENTIFY_DATA),\r | |
2252 | TRUE,\r | |
2253 | &AtaCommandBlock,\r | |
2254 | AtaStatusBlock,\r | |
490b5ea1 | 2255 | ATA_ATAPI_TIMEOUT,\r |
2256 | NULL\r | |
a41b5272 | 2257 | );\r |
2258 | \r | |
2259 | return Status;\r | |
2260 | }\r | |
2261 | \r | |
2262 | /**\r | |
2263 | This function is called by DiscoverIdeDevice() during its device\r | |
2264 | identification.\r | |
2265 | Its main purpose is to get enough information for the device media\r | |
2266 | to fill in the Media data structure of the Block I/O Protocol interface.\r | |
2267 | \r | |
2268 | There are 5 steps to reach such objective:\r | |
1aff716a | 2269 | 1. Sends out the ATAPI Identify Command to the specified device.\r |
a41b5272 | 2270 | Only ATAPI device responses to this command. If the command succeeds,\r |
1aff716a | 2271 | it returns the Identify data structure which filled with information\r |
2272 | about the device. Since the ATAPI device contains removable media,\r | |
a41b5272 | 2273 | the only meaningful information is the device module name.\r |
2274 | 2. Sends out ATAPI Inquiry Packet Command to the specified device.\r | |
2275 | This command will return inquiry data of the device, which contains\r | |
2276 | the device type information.\r | |
2277 | 3. Allocate sense data space for future use. We don't detect the media\r | |
1aff716a | 2278 | presence here to improvement boot performance, especially when CD\r |
a41b5272 | 2279 | media is present. The media detection will be performed just before\r |
2280 | each BLK_IO read/write\r | |
1aff716a | 2281 | \r |
a41b5272 | 2282 | @param Instance A pointer to ATA_ATAPI_PASS_THRU_INSTANCE data structure.\r |
2283 | @param Channel The channel number of device.\r | |
2284 | @param Device The device number of device.\r | |
2285 | @param Buffer A pointer to data buffer which is used to contain IDENTIFY data.\r | |
2286 | @param AtaStatusBlock A pointer to EFI_ATA_STATUS_BLOCK data structure.\r | |
2287 | \r | |
2288 | @retval EFI_SUCCESS Identify ATAPI device successfully.\r | |
2289 | @retval EFI_DEVICE_ERROR ATA Identify Packet Device Command failed or device type\r | |
2290 | is not supported by this IDE driver.\r | |
2291 | @retval EFI_OUT_OF_RESOURCES Allocate memory failed.\r | |
2292 | \r | |
2293 | **/\r | |
2294 | EFI_STATUS\r | |
2295 | EFIAPI\r | |
2296 | AtaIdentifyPacket (\r | |
2297 | IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance,\r | |
2298 | IN UINT8 Channel,\r | |
2299 | IN UINT8 Device,\r | |
2300 | IN OUT EFI_IDENTIFY_DATA *Buffer,\r | |
2301 | IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock\r | |
2302 | )\r | |
2303 | {\r | |
2304 | EFI_STATUS Status;\r | |
2305 | EFI_ATA_COMMAND_BLOCK AtaCommandBlock;\r | |
2306 | \r | |
2307 | ZeroMem (&AtaCommandBlock, sizeof (EFI_ATA_COMMAND_BLOCK));\r | |
1aff716a | 2308 | \r |
a41b5272 | 2309 | AtaCommandBlock.AtaCommand = ATA_CMD_IDENTIFY_DEVICE;\r |
2310 | AtaCommandBlock.AtaDeviceHead = (UINT8)(Device << 0x4);\r | |
2311 | \r | |
2312 | //\r | |
2313 | // Send ATAPI Identify Command to get IDENTIFY data.\r | |
2314 | //\r | |
2315 | Status = AtaPioDataInOut (\r | |
2316 | Instance->PciIo,\r | |
2317 | &Instance->IdeRegisters[Channel],\r | |
2318 | (VOID *) Buffer,\r | |
2319 | sizeof (EFI_IDENTIFY_DATA),\r | |
2320 | TRUE,\r | |
2321 | &AtaCommandBlock,\r | |
2322 | AtaStatusBlock,\r | |
490b5ea1 | 2323 | ATA_ATAPI_TIMEOUT,\r |
2324 | NULL\r | |
a41b5272 | 2325 | );\r |
2326 | \r | |
2327 | return Status;\r | |
2328 | }\r | |
2329 | \r | |
2330 | \r | |
2331 | /**\r | |
2332 | This function is used for detect whether the IDE device exists in the\r | |
2333 | specified Channel as the specified Device Number.\r | |
2334 | \r | |
2335 | There is two IDE channels: one is Primary Channel, the other is\r | |
2336 | Secondary Channel.(Channel is the logical name for the physical "Cable".)\r | |
2337 | Different channel has different register group.\r | |
2338 | \r | |
2339 | On each IDE channel, at most two IDE devices attach,\r | |
2340 | one is called Device 0 (Master device), the other is called Device 1\r | |
2341 | (Slave device). The devices on the same channel co-use the same register\r | |
2342 | group, so before sending out a command for a specified device via command\r | |
2343 | register, it is a must to select the current device to accept the command\r | |
2344 | by set the device number in the Head/Device Register.\r | |
2345 | \r | |
2346 | @param Instance A pointer to ATA_ATAPI_PASS_THRU_INSTANCE data structure.\r | |
2347 | @param IdeChannel The channel number of device.\r | |
2348 | \r | |
2349 | @retval EFI_SUCCESS successfully detects device.\r | |
2350 | @retval other any failure during detection process will return this value.\r | |
2351 | \r | |
2352 | **/\r | |
2353 | EFI_STATUS\r | |
2354 | EFIAPI\r | |
2355 | DetectAndConfigIdeDevice (\r | |
2356 | IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance,\r | |
2357 | IN UINT8 IdeChannel\r | |
2358 | )\r | |
2359 | {\r | |
2360 | EFI_STATUS Status;\r | |
2361 | UINT8 SectorCountReg;\r | |
2362 | UINT8 LBALowReg;\r | |
2363 | UINT8 LBAMidReg;\r | |
2364 | UINT8 LBAHighReg;\r | |
2365 | EFI_ATA_DEVICE_TYPE DeviceType;\r | |
aca84419 | 2366 | UINT8 IdeDevice;\r |
a41b5272 | 2367 | EFI_IDE_REGISTERS *IdeRegisters;\r |
2368 | EFI_IDENTIFY_DATA Buffer;\r | |
2369 | \r | |
2370 | EFI_IDE_CONTROLLER_INIT_PROTOCOL *IdeInit;\r | |
2371 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
2372 | \r | |
2373 | EFI_ATA_COLLECTIVE_MODE *SupportedModes;\r | |
2374 | EFI_ATA_TRANSFER_MODE TransferMode;\r | |
2375 | EFI_ATA_DRIVE_PARMS DriveParameters;\r | |
2376 | \r | |
2377 | IdeRegisters = &Instance->IdeRegisters[IdeChannel];\r | |
2378 | IdeInit = Instance->IdeControllerInit;\r | |
2379 | PciIo = Instance->PciIo;\r | |
2380 | \r | |
490b5ea1 | 2381 | for (IdeDevice = 0; IdeDevice < EfiIdeMaxDevice; IdeDevice++) {\r |
2dc5090d RJ |
2382 | //\r |
2383 | // Select Master or Slave device to get the return signature for ATA DEVICE DIAGNOSTIC cmd.\r | |
2384 | //\r | |
2385 | IdeWritePortB (PciIo, IdeRegisters->Head, (UINT8)((IdeDevice << 4) | 0xe0));\r | |
2386 | \r | |
a41b5272 | 2387 | //\r |
2388 | // Send ATA Device Execut Diagnostic command.\r | |
2389 | // This command should work no matter DRDY is ready or not\r | |
2390 | //\r | |
2391 | IdeWritePortB (PciIo, IdeRegisters->CmdOrStatus, ATA_CMD_EXEC_DRIVE_DIAG);\r | |
1aff716a | 2392 | \r |
a41b5272 | 2393 | Status = WaitForBSYClear (PciIo, IdeRegisters, 350000000);\r |
2394 | if (EFI_ERROR (Status)) {\r | |
2395 | DEBUG((EFI_D_ERROR, "New detecting method: Send Execute Diagnostic Command: WaitForBSYClear: Status: %d\n", Status));\r | |
2396 | continue;\r | |
2397 | }\r | |
2398 | \r | |
2399 | //\r | |
2400 | // Select Master or Slave device to get the return signature for ATA DEVICE DIAGNOSTIC cmd.\r | |
2401 | //\r | |
2402 | IdeWritePortB (PciIo, IdeRegisters->Head, (UINT8)((IdeDevice << 4) | 0xe0));\r | |
2403 | //\r | |
2404 | // Stall for 1 milliseconds.\r | |
2405 | //\r | |
2406 | MicroSecondDelay (1000);\r | |
2407 | \r | |
2408 | SectorCountReg = IdeReadPortB (PciIo, IdeRegisters->SectorCount);\r | |
2409 | LBALowReg = IdeReadPortB (PciIo, IdeRegisters->SectorNumber);\r | |
2410 | LBAMidReg = IdeReadPortB (PciIo, IdeRegisters->CylinderLsb);\r | |
2411 | LBAHighReg = IdeReadPortB (PciIo, IdeRegisters->CylinderMsb);\r | |
2412 | \r | |
2413 | //\r | |
2414 | // Refer to ATA/ATAPI 4 Spec, section 9.1\r | |
2415 | //\r | |
2416 | if ((SectorCountReg == 0x1) && (LBALowReg == 0x1) && (LBAMidReg == 0x0) && (LBAHighReg == 0x0)) {\r | |
2417 | DeviceType = EfiIdeHarddisk;\r | |
2418 | } else if ((LBAMidReg == 0x14) && (LBAHighReg == 0xeb)) {\r | |
2419 | DeviceType = EfiIdeCdrom;\r | |
2420 | } else {\r | |
2421 | continue;\r | |
2422 | }\r | |
2423 | \r | |
2424 | //\r | |
2425 | // Send IDENTIFY cmd to the device to test if it is really attached.\r | |
2426 | //\r | |
2427 | if (DeviceType == EfiIdeHarddisk) {\r | |
2428 | Status = AtaIdentify (Instance, IdeChannel, IdeDevice, &Buffer, NULL);\r | |
2429 | //\r | |
2430 | // if identifying ata device is failure, then try to send identify packet cmd.\r | |
2431 | //\r | |
2432 | if (EFI_ERROR (Status)) {\r | |
3d0a2385 | 2433 | REPORT_STATUS_CODE (EFI_PROGRESS_CODE, (EFI_PERIPHERAL_FIXED_MEDIA | EFI_P_EC_NOT_DETECTED));\r |
2434 | \r | |
a41b5272 | 2435 | DeviceType = EfiIdeCdrom;\r |
2436 | Status = AtaIdentifyPacket (Instance, IdeChannel, IdeDevice, &Buffer, NULL);\r | |
2437 | }\r | |
2438 | } else {\r | |
2439 | Status = AtaIdentifyPacket (Instance, IdeChannel, IdeDevice, &Buffer, NULL);\r | |
2440 | //\r | |
2441 | // if identifying atapi device is failure, then try to send identify cmd.\r | |
2442 | //\r | |
2443 | if (EFI_ERROR (Status)) {\r | |
2444 | DeviceType = EfiIdeHarddisk;\r | |
2445 | Status = AtaIdentify (Instance, IdeChannel, IdeDevice, &Buffer, NULL);\r | |
490b5ea1 | 2446 | }\r |
a41b5272 | 2447 | }\r |
2448 | \r | |
2449 | if (EFI_ERROR (Status)) {\r | |
2450 | //\r | |
2451 | // No device is found at this port\r | |
2452 | //\r | |
2453 | continue;\r | |
490b5ea1 | 2454 | }\r |
2455 | \r | |
1aff716a | 2456 | DEBUG ((EFI_D_INFO, "[%a] channel [%a] [%a] device\n",\r |
a41b5272 | 2457 | (IdeChannel == 1) ? "secondary" : "primary ", (IdeDevice == 1) ? "slave " : "master",\r |
2458 | DeviceType == EfiIdeCdrom ? "cdrom " : "harddisk"));\r | |
12873d57 | 2459 | //\r |
2460 | // If the device is a hard disk, then try to enable S.M.A.R.T feature\r | |
2461 | //\r | |
fc80ee69 | 2462 | if ((DeviceType == EfiIdeHarddisk) && PcdGetBool (PcdAtaSmartEnable)) {\r |
12873d57 | 2463 | IdeAtaSmartSupport (\r |
2464 | Instance,\r | |
2465 | IdeChannel,\r | |
2466 | IdeDevice,\r | |
2467 | &Buffer,\r | |
2468 | NULL\r | |
2469 | );\r | |
2470 | }\r | |
2471 | \r | |
a41b5272 | 2472 | //\r |
2473 | // Submit identify data to IDE controller init driver\r | |
2474 | //\r | |
2475 | IdeInit->SubmitData (IdeInit, IdeChannel, IdeDevice, &Buffer);\r | |
2476 | \r | |
2477 | //\r | |
2478 | // Now start to config ide device parameter and transfer mode.\r | |
2479 | //\r | |
2480 | Status = IdeInit->CalculateMode (\r | |
2481 | IdeInit,\r | |
2482 | IdeChannel,\r | |
2483 | IdeDevice,\r | |
2484 | &SupportedModes\r | |
2485 | );\r | |
2486 | if (EFI_ERROR (Status)) {\r | |
2487 | DEBUG ((EFI_D_ERROR, "Calculate Mode Fail, Status = %r\n", Status));\r | |
2488 | continue;\r | |
2489 | }\r | |
2490 | \r | |
2491 | //\r | |
2492 | // Set best supported PIO mode on this IDE device\r | |
2493 | //\r | |
2494 | if (SupportedModes->PioMode.Mode <= EfiAtaPioMode2) {\r | |
2495 | TransferMode.ModeCategory = EFI_ATA_MODE_DEFAULT_PIO;\r | |
2496 | } else {\r | |
2497 | TransferMode.ModeCategory = EFI_ATA_MODE_FLOW_PIO;\r | |
2498 | }\r | |
2499 | \r | |
2500 | TransferMode.ModeNumber = (UINT8) (SupportedModes->PioMode.Mode);\r | |
2501 | \r | |
2502 | if (SupportedModes->ExtModeCount == 0){\r | |
2503 | Status = SetDeviceTransferMode (Instance, IdeChannel, IdeDevice, &TransferMode, NULL);\r | |
2504 | \r | |
2505 | if (EFI_ERROR (Status)) {\r | |
2506 | DEBUG ((EFI_D_ERROR, "Set transfer Mode Fail, Status = %r\n", Status));\r | |
2507 | continue;\r | |
2508 | }\r | |
2509 | }\r | |
490b5ea1 | 2510 | \r |
a41b5272 | 2511 | //\r |
2512 | // Set supported DMA mode on this IDE device. Note that UDMA & MDMA cann't\r | |
2513 | // be set together. Only one DMA mode can be set to a device. If setting\r | |
2514 | // DMA mode operation fails, we can continue moving on because we only use\r | |
2515 | // PIO mode at boot time. DMA modes are used by certain kind of OS booting\r | |
2516 | //\r | |
2517 | if (SupportedModes->UdmaMode.Valid) {\r | |
2518 | TransferMode.ModeCategory = EFI_ATA_MODE_UDMA;\r | |
2519 | TransferMode.ModeNumber = (UINT8) (SupportedModes->UdmaMode.Mode);\r | |
2520 | Status = SetDeviceTransferMode (Instance, IdeChannel, IdeDevice, &TransferMode, NULL);\r | |
490b5ea1 | 2521 | \r |
a41b5272 | 2522 | if (EFI_ERROR (Status)) {\r |
2523 | DEBUG ((EFI_D_ERROR, "Set transfer Mode Fail, Status = %r\n", Status));\r | |
2524 | continue;\r | |
2525 | }\r | |
2526 | } else if (SupportedModes->MultiWordDmaMode.Valid) {\r | |
2527 | TransferMode.ModeCategory = EFI_ATA_MODE_MDMA;\r | |
2528 | TransferMode.ModeNumber = (UINT8) SupportedModes->MultiWordDmaMode.Mode;\r | |
2529 | Status = SetDeviceTransferMode (Instance, IdeChannel, IdeDevice, &TransferMode, NULL);\r | |
490b5ea1 | 2530 | \r |
a41b5272 | 2531 | if (EFI_ERROR (Status)) {\r |
2532 | DEBUG ((EFI_D_ERROR, "Set transfer Mode Fail, Status = %r\n", Status));\r | |
2533 | continue;\r | |
2534 | }\r | |
2535 | }\r | |
490b5ea1 | 2536 | \r |
a41b5272 | 2537 | //\r |
2538 | // Set Parameters for the device:\r | |
2539 | // 1) Init\r | |
2540 | // 2) Establish the block count for READ/WRITE MULTIPLE (EXT) command\r | |
2541 | //\r | |
2542 | if (DeviceType == EfiIdeHarddisk) {\r | |
2543 | //\r | |
2544 | // Init driver parameters\r | |
2545 | //\r | |
2546 | DriveParameters.Sector = (UINT8) ((ATA5_IDENTIFY_DATA *)(&Buffer.AtaData))->sectors_per_track;\r | |
aca84419 | 2547 | DriveParameters.Heads = (UINT8) (((ATA5_IDENTIFY_DATA *)(&Buffer.AtaData))->heads - 1);\r |
a41b5272 | 2548 | DriveParameters.MultipleSector = (UINT8) ((ATA5_IDENTIFY_DATA *)(&Buffer.AtaData))->multi_sector_cmd_max_sct_cnt;\r |
490b5ea1 | 2549 | \r |
a41b5272 | 2550 | Status = SetDriveParameters (Instance, IdeChannel, IdeDevice, &DriveParameters, NULL);\r |
2551 | }\r | |
490b5ea1 | 2552 | \r |
a41b5272 | 2553 | //\r |
2554 | // Set IDE controller Timing Blocks in the PCI Configuration Space\r | |
2555 | //\r | |
2556 | IdeInit->SetTiming (IdeInit, IdeChannel, IdeDevice, SupportedModes);\r | |
2557 | \r | |
2558 | //\r | |
2559 | // IDE controller and IDE device timing is configured successfully.\r | |
2560 | // Now insert the device into device list.\r | |
2561 | //\r | |
2562 | Status = CreateNewDeviceInfo (Instance, IdeChannel, IdeDevice, DeviceType, &Buffer);\r | |
2563 | if (EFI_ERROR (Status)) {\r | |
2564 | continue;\r | |
2565 | }\r | |
3d0a2385 | 2566 | \r |
2567 | if (DeviceType == EfiIdeHarddisk) {\r | |
2568 | REPORT_STATUS_CODE (EFI_PROGRESS_CODE, (EFI_PERIPHERAL_FIXED_MEDIA | EFI_P_PC_ENABLE));\r | |
2569 | }\r | |
a41b5272 | 2570 | }\r |
2571 | return EFI_SUCCESS;\r | |
2572 | }\r | |
2573 | \r | |
2574 | \r | |
2575 | /**\r | |
2576 | Initialize ATA host controller at IDE mode.\r | |
1aff716a | 2577 | \r |
2578 | The function is designed to initialize ATA host controller.\r | |
2579 | \r | |
a41b5272 | 2580 | @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance.\r |
2581 | \r | |
2582 | **/\r | |
2583 | EFI_STATUS\r | |
2584 | EFIAPI\r | |
2585 | IdeModeInitialization (\r | |
2586 | IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance\r | |
2587 | )\r | |
2588 | {\r | |
a41b5272 | 2589 | EFI_STATUS Status;\r |
2590 | EFI_IDE_CONTROLLER_INIT_PROTOCOL *IdeInit;\r | |
2591 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
2592 | UINT8 Channel;\r | |
2593 | UINT8 IdeChannel;\r | |
2594 | BOOLEAN ChannelEnabled;\r | |
2595 | UINT8 MaxDevices;\r | |
2596 | \r | |
2597 | IdeInit = Instance->IdeControllerInit;\r | |
2598 | PciIo = Instance->PciIo;\r | |
a41b5272 | 2599 | Channel = IdeInit->ChannelCount;\r |
2600 | \r | |
2601 | //\r | |
2602 | // Obtain IDE IO port registers' base addresses\r | |
2603 | //\r | |
2604 | Status = GetIdeRegisterIoAddr (PciIo, Instance->IdeRegisters);\r | |
2605 | if (EFI_ERROR (Status)) {\r | |
2606 | goto ErrorExit;\r | |
2607 | }\r | |
2608 | \r | |
2609 | for (IdeChannel = 0; IdeChannel < Channel; IdeChannel++) {\r | |
2610 | IdeInit->NotifyPhase (IdeInit, EfiIdeBeforeChannelEnumeration, IdeChannel);\r | |
2611 | \r | |
2612 | //\r | |
2613 | // now obtain channel information fron IdeControllerInit protocol.\r | |
2614 | //\r | |
2615 | Status = IdeInit->GetChannelInfo (\r | |
2616 | IdeInit,\r | |
2617 | IdeChannel,\r | |
2618 | &ChannelEnabled,\r | |
2619 | &MaxDevices\r | |
2620 | );\r | |
2621 | if (EFI_ERROR (Status)) {\r | |
2622 | DEBUG ((EFI_D_ERROR, "[GetChannel, Status=%x]", Status));\r | |
2623 | continue;\r | |
2624 | }\r | |
2625 | \r | |
2626 | if (!ChannelEnabled) {\r | |
2627 | continue;\r | |
2628 | }\r | |
2629 | \r | |
2630 | ASSERT (MaxDevices <= 2);\r | |
2631 | //\r | |
2632 | // Now inform the IDE Controller Init Module.\r | |
2633 | //\r | |
2634 | IdeInit->NotifyPhase (IdeInit, EfiIdeBeforeChannelReset, IdeChannel);\r | |
2635 | \r | |
2636 | //\r | |
2637 | // No reset channel function implemented.\r | |
2638 | //\r | |
2639 | IdeInit->NotifyPhase (IdeInit, EfiIdeAfterChannelReset, IdeChannel);\r | |
2640 | \r | |
2641 | //\r | |
2642 | // Now inform the IDE Controller Init Module.\r | |
2643 | //\r | |
2644 | IdeInit->NotifyPhase (IdeInit, EfiIdeBusBeforeDevicePresenceDetection, IdeChannel);\r | |
2645 | \r | |
2646 | //\r | |
2647 | // Detect all attached ATA devices and set the transfer mode for each device.\r | |
2648 | //\r | |
2649 | DetectAndConfigIdeDevice (Instance, IdeChannel);\r | |
2650 | }\r | |
2651 | \r | |
2652 | //\r | |
2653 | // All configurations done! Notify IdeController to do post initialization\r | |
2654 | // work such as saving IDE controller PCI settings for S3 resume\r | |
2655 | //\r | |
2656 | IdeInit->NotifyPhase (IdeInit, EfiIdeBusPhaseMaximum, 0);\r | |
2657 | \r | |
2658 | ErrorExit:\r | |
2659 | return Status;\r | |
2660 | }\r | |
2661 | \r |