]>
Commit | Line | Data |
---|---|---|
ead42efc | 1 | /** @file\r |
2 | Copyright (c) 2006 - 2007 Intel Corporation. <BR>\r | |
3 | All rights reserved. This program and the accompanying materials\r | |
4 | are licensed and made available under the terms and conditions of the BSD License\r | |
5 | which accompanies this distribution. The full text of the license may be found at\r | |
6 | http://opensource.org/licenses/bsd-license.php\r | |
7 | \r | |
8 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
9 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
10 | \r | |
11 | @par Revision Reference:\r | |
12 | 2002-6: Add Atapi6 enhancement, support >120GB hard disk, including\r | |
13 | update - ATAIdentity() func\r | |
14 | update - AtaBlockIoReadBlocks() func\r | |
15 | update - AtaBlockIoWriteBlocks() func\r | |
16 | add - AtaAtapi6Identify() func\r | |
17 | add - AtaReadSectorsExt() func\r | |
18 | add - AtaWriteSectorsExt() func\r | |
19 | add - AtaPioDataInExt() func\r | |
20 | add - AtaPioDataOutExt() func\r | |
21 | \r | |
22 | **/\r | |
23 | \r | |
24 | #include "idebus.h"\r | |
25 | \r | |
26 | /**\r | |
27 | Sends out an ATA Identify Command to the specified device.\r | |
28 | \r | |
29 | This function is called by DiscoverIdeDevice() during its device\r | |
30 | identification. It sends out the ATA Identify Command to the\r | |
31 | specified device. Only ATA device responses to this command. If\r | |
32 | the command succeeds, it returns the Identify data structure which\r | |
33 | contains information about the device. This function extracts the\r | |
34 | information it needs to fill the IDE_BLK_IO_DEV data structure,\r | |
35 | including device type, media block size, media capacity, and etc.\r | |
36 | \r | |
37 | @param[in] *IdeDev\r | |
38 | pointer pointing to IDE_BLK_IO_DEV data structure,used\r | |
39 | to record all the information of the IDE device.\r | |
40 | \r | |
41 | @retval EFI_SUCCESS Identify ATA device successfully.\r | |
42 | \r | |
43 | @retval EFI_DEVICE_ERROR ATA Identify Device Command failed or\r | |
44 | device is not ATA device.\r | |
45 | \r | |
46 | @note\r | |
47 | parameter IdeDev will be updated in this function.\r | |
48 | \r | |
49 | **/\r | |
50 | EFI_STATUS\r | |
51 | ATAIdentify (\r | |
52 | IN IDE_BLK_IO_DEV *IdeDev\r | |
53 | )\r | |
54 | {\r | |
55 | EFI_STATUS Status;\r | |
56 | EFI_IDENTIFY_DATA *AtaIdentifyPointer;\r | |
57 | UINT32 Capacity;\r | |
58 | UINT8 DeviceSelect;\r | |
59 | \r | |
60 | //\r | |
61 | // AtaIdentifyPointer is used for accommodating returned IDENTIFY data of\r | |
62 | // the ATA Identify command\r | |
63 | //\r | |
64 | AtaIdentifyPointer = (EFI_IDENTIFY_DATA *) AllocateZeroPool (sizeof (EFI_IDENTIFY_DATA));\r | |
65 | \r | |
66 | //\r | |
67 | // use ATA PIO Data In protocol to send ATA Identify command\r | |
68 | // and receive data from device\r | |
69 | //\r | |
70 | DeviceSelect = (UINT8) ((IdeDev->Device) << 4);\r | |
71 | Status = AtaPioDataIn (\r | |
72 | IdeDev,\r | |
73 | (VOID *) AtaIdentifyPointer,\r | |
74 | sizeof (EFI_IDENTIFY_DATA),\r | |
75 | IDENTIFY_DRIVE_CMD,\r | |
76 | DeviceSelect,\r | |
77 | 0,\r | |
78 | 0,\r | |
79 | 0,\r | |
80 | 0\r | |
81 | );\r | |
82 | //\r | |
83 | // If ATA Identify command succeeds, then according to the received\r | |
84 | // IDENTIFY data,\r | |
85 | // identify the device type ( ATA or not ).\r | |
86 | // If ATA device, fill the information in IdeDev.\r | |
87 | // If not ATA device, return IDE_DEVICE_ERROR\r | |
88 | //\r | |
89 | if (!EFI_ERROR (Status)) {\r | |
90 | \r | |
91 | IdeDev->pIdData = AtaIdentifyPointer;\r | |
92 | \r | |
93 | //\r | |
94 | // Print ATA Module Name\r | |
95 | //\r | |
96 | PrintAtaModuleName (IdeDev);\r | |
97 | \r | |
98 | //\r | |
99 | // bit 15 of pAtaIdentify->config is used to identify whether device is\r | |
100 | // ATA device or ATAPI device.\r | |
101 | // if 0, means ATA device; if 1, means ATAPI device.\r | |
102 | //\r | |
103 | if ((AtaIdentifyPointer->AtaData.config & 0x8000) == 0x00) {\r | |
104 | //\r | |
105 | // Detect if support S.M.A.R.T. If yes, enable it as default\r | |
106 | //\r | |
107 | AtaSMARTSupport (IdeDev);\r | |
108 | \r | |
109 | //\r | |
110 | // Check whether this device needs 48-bit addressing (ATAPI-6 ata device)\r | |
111 | //\r | |
112 | Status = AtaAtapi6Identify (IdeDev);\r | |
113 | if (!EFI_ERROR (Status)) {\r | |
114 | //\r | |
115 | // It's a disk with >120GB capacity, initialized in AtaAtapi6Identify()\r | |
116 | //\r | |
117 | return EFI_SUCCESS;\r | |
118 | }\r | |
119 | //\r | |
120 | // This is a hard disk <= 120GB capacity, treat it as normal hard disk\r | |
121 | //\r | |
122 | IdeDev->Type = IdeHardDisk;\r | |
123 | \r | |
124 | //\r | |
125 | // Block Media Information:\r | |
126 | // Media->LogicalPartition , Media->WriteCaching will be filled\r | |
127 | // in the DiscoverIdeDevcie() function.\r | |
128 | //\r | |
129 | IdeDev->BlkIo.Media->IoAlign = 4;\r | |
130 | IdeDev->BlkIo.Media->MediaId = 1;\r | |
131 | IdeDev->BlkIo.Media->RemovableMedia = FALSE;\r | |
132 | IdeDev->BlkIo.Media->MediaPresent = TRUE;\r | |
133 | IdeDev->BlkIo.Media->ReadOnly = FALSE;\r | |
134 | IdeDev->BlkIo.Media->BlockSize = 0x200;\r | |
135 | \r | |
136 | //\r | |
137 | // Calculate device capacity\r | |
138 | //\r | |
139 | Capacity = ((UINT32)AtaIdentifyPointer->AtaData.user_addressable_sectors_hi << 16) |\r | |
140 | AtaIdentifyPointer->AtaData.user_addressable_sectors_lo ;\r | |
141 | IdeDev->BlkIo.Media->LastBlock = Capacity - 1;\r | |
142 | \r | |
143 | return EFI_SUCCESS;\r | |
144 | \r | |
145 | }\r | |
146 | }\r | |
147 | \r | |
148 | gBS->FreePool (AtaIdentifyPointer);\r | |
149 | //\r | |
150 | // Make sure the pIdData will not be freed again.\r | |
151 | //\r | |
152 | IdeDev->pIdData = NULL;\r | |
153 | \r | |
154 | return EFI_DEVICE_ERROR;\r | |
155 | }\r | |
156 | \r | |
157 | \r | |
158 | /**\r | |
159 | This function is called by ATAIdentify() to identity whether this disk\r | |
160 | supports ATA/ATAPI6 48bit addressing, ie support >120G capacity\r | |
161 | \r | |
162 | @param[in] *IdeDev\r | |
163 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
164 | to record all the information of the IDE device.\r | |
165 | \r | |
166 | @retval EFI_SUCCESS The disk specified by IdeDev is a Atapi6 supported one\r | |
167 | and 48-bit addressing must be used\r | |
168 | \r | |
169 | @retval EFI_UNSUPPORTED The disk dosn't not support Atapi6 or it supports but\r | |
170 | the capacity is below 120G, 48bit addressing is not\r | |
171 | needed\r | |
172 | \r | |
173 | @note\r | |
174 | This function must be called after DEVICE_IDENTITY command has been\r | |
175 | successfully returned\r | |
176 | \r | |
177 | **/\r | |
178 | EFI_STATUS\r | |
179 | AtaAtapi6Identify (\r | |
180 | IN IDE_BLK_IO_DEV *IdeDev\r | |
181 | )\r | |
182 | {\r | |
183 | UINT8 Index;\r | |
184 | EFI_LBA TmpLba;\r | |
185 | EFI_LBA Capacity;\r | |
186 | EFI_IDENTIFY_DATA *Atapi6IdentifyStruct;\r | |
187 | \r | |
188 | if (IdeDev->pIdData == NULL) {\r | |
189 | return EFI_UNSUPPORTED;\r | |
190 | }\r | |
191 | \r | |
192 | Atapi6IdentifyStruct = IdeDev->pIdData;\r | |
193 | \r | |
194 | if ((Atapi6IdentifyStruct->AtapiData.cmd_set_support_83 & bit10) == 0) {\r | |
195 | //\r | |
196 | // The device dosn't support 48 bit addressing\r | |
197 | //\r | |
198 | return EFI_UNSUPPORTED;\r | |
199 | }\r | |
200 | \r | |
201 | //\r | |
202 | // 48 bit address feature set is supported, get maximum capacity\r | |
203 | //\r | |
204 | Capacity = Atapi6IdentifyStruct->AtapiData.max_user_lba_for_48bit_addr[0];\r | |
205 | for (Index = 1; Index < 4; Index++) {\r | |
206 | //\r | |
207 | // Lower byte goes first: word[100] is the lowest word, word[103] is highest\r | |
208 | //\r | |
209 | TmpLba = Atapi6IdentifyStruct->AtapiData.max_user_lba_for_48bit_addr[Index];\r | |
210 | Capacity |= LShiftU64 (TmpLba, 16 * Index);\r | |
211 | }\r | |
212 | \r | |
213 | if (Capacity > MAX_28BIT_ADDRESSING_CAPACITY) {\r | |
214 | //\r | |
215 | // Capacity exceeds 120GB. 48-bit addressing is really needed\r | |
216 | //\r | |
217 | IdeDev->Type = Ide48bitAddressingHardDisk;\r | |
218 | \r | |
219 | //\r | |
220 | // Fill block media information:Media->LogicalPartition ,\r | |
221 | // Media->WriteCaching will be filledin the DiscoverIdeDevcie() function.\r | |
222 | //\r | |
223 | IdeDev->BlkIo.Media->IoAlign = 4;\r | |
224 | IdeDev->BlkIo.Media->MediaId = 1;\r | |
225 | IdeDev->BlkIo.Media->RemovableMedia = FALSE;\r | |
226 | IdeDev->BlkIo.Media->MediaPresent = TRUE;\r | |
227 | IdeDev->BlkIo.Media->ReadOnly = FALSE;\r | |
228 | IdeDev->BlkIo.Media->BlockSize = 0x200;\r | |
229 | IdeDev->BlkIo.Media->LastBlock = Capacity - 1;\r | |
230 | \r | |
231 | return EFI_SUCCESS;\r | |
232 | }\r | |
233 | \r | |
234 | return EFI_UNSUPPORTED;\r | |
235 | }\r | |
236 | \r | |
237 | /**\r | |
238 | This function is called by ATAIdentify() or ATAPIIdentify()\r | |
239 | to print device's module name.\r | |
240 | \r | |
241 | @param[in] *IdeDev\r | |
242 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
243 | to record all the information of the IDE device.\r | |
244 | \r | |
245 | **/\r | |
246 | VOID\r | |
247 | PrintAtaModuleName (\r | |
248 | IN IDE_BLK_IO_DEV *IdeDev\r | |
249 | )\r | |
250 | {\r | |
251 | if (IdeDev->pIdData == NULL) {\r | |
252 | return ;\r | |
253 | }\r | |
254 | \r | |
255 | SwapStringChars (IdeDev->ModelName, IdeDev->pIdData->AtaData.ModelName, 40);\r | |
256 | IdeDev->ModelName[40] = 0x00;\r | |
257 | }\r | |
258 | \r | |
259 | /**\r | |
260 | This function is used to send out ATA commands conforms to the\r | |
261 | PIO Data In Protocol.\r | |
262 | \r | |
263 | @param[in] *IdeDev\r | |
264 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
265 | to record all the information of the IDE device.\r | |
266 | \r | |
267 | @param[in] *Buffer\r | |
268 | buffer contained data transferred from device to host.\r | |
269 | \r | |
270 | @param[in] ByteCount\r | |
271 | data size in byte unit of the buffer.\r | |
272 | \r | |
273 | @param[in] AtaCommand\r | |
274 | value of the Command Register\r | |
275 | \r | |
276 | @param[in] Head\r | |
277 | value of the Head/Device Register\r | |
278 | \r | |
279 | @param[in] SectorCount\r | |
280 | value of the Sector Count Register\r | |
281 | \r | |
282 | @param[in] SectorNumber\r | |
283 | value of the Sector Number Register\r | |
284 | \r | |
285 | @param[in] CylinderLsb\r | |
286 | value of the low byte of the Cylinder Register\r | |
287 | \r | |
288 | @param[in] CylinderMsb\r | |
289 | value of the high byte of the Cylinder Register\r | |
290 | \r | |
291 | @retval EFI_SUCCESS send out the ATA command and device send required\r | |
292 | data successfully.\r | |
293 | \r | |
294 | @retval EFI_DEVICE_ERROR command sent failed.\r | |
295 | \r | |
296 | **/\r | |
297 | EFI_STATUS\r | |
298 | AtaPioDataIn (\r | |
299 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
300 | IN VOID *Buffer,\r | |
301 | IN UINT32 ByteCount,\r | |
302 | IN UINT8 AtaCommand,\r | |
303 | IN UINT8 Head,\r | |
304 | IN UINT8 SectorCount,\r | |
305 | IN UINT8 SectorNumber,\r | |
306 | IN UINT8 CylinderLsb,\r | |
307 | IN UINT8 CylinderMsb\r | |
308 | )\r | |
309 | {\r | |
310 | UINTN WordCount;\r | |
311 | UINTN Increment;\r | |
312 | UINT16 *Buffer16;\r | |
313 | EFI_STATUS Status;\r | |
314 | \r | |
315 | Status = WaitForBSYClear (IdeDev, ATATIMEOUT);\r | |
316 | if (EFI_ERROR (Status)) {\r | |
317 | return EFI_DEVICE_ERROR;\r | |
318 | }\r | |
319 | \r | |
320 | //\r | |
321 | // e0:1110,0000-- bit7 and bit5 are reserved bits.\r | |
322 | // bit6 set means LBA mode\r | |
323 | //\r | |
324 | IDEWritePortB (\r | |
325 | IdeDev->PciIo,\r | |
326 | IdeDev->IoPort->Head,\r | |
327 | (UINT8) ((IdeDev->Device << 4) | 0xe0 | Head)\r | |
328 | );\r | |
329 | \r | |
330 | //\r | |
331 | // All ATAPI device's ATA commands can be issued regardless of the\r | |
332 | // state of the DRDY\r | |
333 | //\r | |
334 | if (IdeDev->Type == IdeHardDisk) {\r | |
335 | \r | |
336 | Status = DRDYReady (IdeDev, ATATIMEOUT);\r | |
337 | if (EFI_ERROR (Status)) {\r | |
338 | return EFI_DEVICE_ERROR;\r | |
339 | }\r | |
340 | }\r | |
341 | //\r | |
342 | // set all the command parameters\r | |
343 | // Before write to all the following registers, BSY and DRQ must be 0.\r | |
344 | //\r | |
345 | Status = DRQClear2 (IdeDev, ATATIMEOUT);\r | |
346 | if (EFI_ERROR (Status)) {\r | |
347 | return EFI_DEVICE_ERROR;\r | |
348 | }\r | |
349 | \r | |
350 | if (AtaCommand == SET_FEATURES_CMD) {\r | |
351 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg1.Feature, 0x03);\r | |
352 | }\r | |
353 | \r | |
354 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorCount, SectorCount);\r | |
355 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorNumber, SectorNumber);\r | |
356 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb, CylinderLsb);\r | |
357 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb, CylinderMsb);\r | |
358 | \r | |
359 | //\r | |
360 | // send command via Command Register\r | |
361 | //\r | |
362 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg.Command, AtaCommand);\r | |
363 | \r | |
364 | Buffer16 = (UINT16 *) Buffer;\r | |
365 | \r | |
366 | //\r | |
367 | // According to PIO data in protocol, host can perform a series of reads to\r | |
368 | // the data register after each time device set DRQ ready;\r | |
369 | // The data size of "a series of read" is command specific.\r | |
370 | // For most ATA command, data size received from device will not exceed\r | |
371 | // 1 sector, hence the data size for "a series of read" can be the whole data\r | |
372 | // size of one command request.\r | |
373 | // For ATA command such as Read Sector command, the data size of one ATA\r | |
374 | // command request is often larger than 1 sector, according to the\r | |
375 | // Read Sector command, the data size of "a series of read" is exactly 1\r | |
376 | // sector.\r | |
377 | // Here for simplification reason, we specify the data size for\r | |
378 | // "a series of read" to 1 sector (256 words) if data size of one ATA command\r | |
379 | // request is larger than 256 words.\r | |
380 | //\r | |
381 | Increment = 256;\r | |
382 | \r | |
383 | //\r | |
384 | // used to record bytes of currently transfered data\r | |
385 | //\r | |
386 | WordCount = 0;\r | |
387 | \r | |
388 | while (WordCount < ByteCount / 2) {\r | |
389 | //\r | |
390 | // Poll DRQ bit set, data transfer can be performed only when DRQ is ready.\r | |
391 | //\r | |
392 | Status = DRQReady2 (IdeDev, ATATIMEOUT);\r | |
393 | if (EFI_ERROR (Status)) {\r | |
394 | return EFI_DEVICE_ERROR;\r | |
395 | }\r | |
396 | \r | |
397 | Status = CheckErrorStatus (IdeDev);\r | |
398 | if (EFI_ERROR (Status)) {\r | |
399 | return EFI_DEVICE_ERROR;\r | |
400 | }\r | |
401 | \r | |
402 | //\r | |
403 | // Get the byte count for one series of read\r | |
404 | //\r | |
405 | if ((WordCount + Increment) > ByteCount / 2) {\r | |
406 | Increment = ByteCount / 2 - WordCount;\r | |
407 | }\r | |
408 | \r | |
409 | IDEReadPortWMultiple (\r | |
410 | IdeDev->PciIo,\r | |
411 | IdeDev->IoPort->Data,\r | |
412 | Increment,\r | |
413 | Buffer16\r | |
414 | );\r | |
415 | \r | |
416 | WordCount += Increment;\r | |
417 | Buffer16 += Increment;\r | |
418 | \r | |
419 | }\r | |
420 | \r | |
421 | DRQClear (IdeDev, ATATIMEOUT);\r | |
422 | \r | |
423 | return CheckErrorStatus (IdeDev);\r | |
424 | }\r | |
425 | \r | |
426 | /**\r | |
427 | This function is used to send out ATA commands conforms to the\r | |
428 | PIO Data Out Protocol.\r | |
429 | \r | |
430 | @param *IdeDev\r | |
431 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
432 | to record all the information of the IDE device.\r | |
433 | \r | |
434 | @param *Buffer buffer contained data transferred from host to device.\r | |
435 | @param ByteCount data size in byte unit of the buffer.\r | |
436 | @param AtaCommand value of the Command Register\r | |
437 | @param Head value of the Head/Device Register\r | |
438 | @param SectorCount value of the Sector Count Register\r | |
439 | @param SectorNumber value of the Sector Number Register\r | |
440 | @param CylinderLsb value of the low byte of the Cylinder Register\r | |
441 | @param CylinderMsb value of the high byte of the Cylinder Register\r | |
442 | \r | |
443 | @retval EFI_SUCCESS send out the ATA command and device received required\r | |
444 | data successfully.\r | |
445 | \r | |
446 | @retval EFI_DEVICE_ERROR command sent failed.\r | |
447 | \r | |
448 | **/\r | |
449 | EFI_STATUS\r | |
450 | AtaPioDataOut (\r | |
451 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
452 | IN VOID *Buffer,\r | |
453 | IN UINT32 ByteCount,\r | |
454 | IN UINT8 AtaCommand,\r | |
455 | IN UINT8 Head,\r | |
456 | IN UINT8 SectorCount,\r | |
457 | IN UINT8 SectorNumber,\r | |
458 | IN UINT8 CylinderLsb,\r | |
459 | IN UINT8 CylinderMsb\r | |
460 | )\r | |
461 | {\r | |
462 | UINTN WordCount;\r | |
463 | UINTN Increment;\r | |
464 | UINT16 *Buffer16;\r | |
465 | EFI_STATUS Status;\r | |
466 | \r | |
467 | Status = WaitForBSYClear (IdeDev, ATATIMEOUT);\r | |
468 | if (EFI_ERROR (Status)) {\r | |
469 | return EFI_DEVICE_ERROR;\r | |
470 | }\r | |
471 | \r | |
472 | //\r | |
473 | // select device via Head/Device register.\r | |
474 | // Before write Head/Device register, BSY and DRQ must be 0.\r | |
475 | //\r | |
476 | Status = DRQClear2 (IdeDev, ATATIMEOUT);\r | |
477 | if (EFI_ERROR (Status)) {\r | |
478 | return EFI_DEVICE_ERROR;\r | |
479 | }\r | |
480 | \r | |
481 | //\r | |
482 | // e0:1110,0000-- bit7 and bit5 are reserved bits.\r | |
483 | // bit6 set means LBA mode\r | |
484 | //\r | |
485 | IDEWritePortB (\r | |
486 | IdeDev->PciIo,\r | |
487 | IdeDev->IoPort->Head,\r | |
488 | (UINT8) ((IdeDev->Device << 4) | 0xe0 | Head)\r | |
489 | );\r | |
490 | \r | |
491 | Status = DRDYReady (IdeDev, ATATIMEOUT);\r | |
492 | if (EFI_ERROR (Status)) {\r | |
493 | return EFI_DEVICE_ERROR;\r | |
494 | }\r | |
495 | \r | |
496 | //\r | |
497 | // set all the command parameters\r | |
498 | // Before write to all the following registers, BSY and DRQ must be 0.\r | |
499 | //\r | |
500 | Status = DRQClear2 (IdeDev, ATATIMEOUT);\r | |
501 | if (EFI_ERROR (Status)) {\r | |
502 | return EFI_DEVICE_ERROR;\r | |
503 | }\r | |
504 | \r | |
505 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorCount, SectorCount);\r | |
506 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorNumber, SectorNumber);\r | |
507 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb, CylinderLsb);\r | |
508 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb, CylinderMsb);\r | |
509 | \r | |
510 | //\r | |
511 | // send command via Command Register\r | |
512 | //\r | |
513 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg.Command, AtaCommand);\r | |
514 | \r | |
515 | Buffer16 = (UINT16 *) Buffer;\r | |
516 | \r | |
517 | //\r | |
518 | // According to PIO data out protocol, host can perform a series of\r | |
519 | // writes to the data register after each time device set DRQ ready;\r | |
520 | // The data size of "a series of read" is command specific.\r | |
521 | // For most ATA command, data size written to device will not exceed 1 sector,\r | |
522 | // hence the data size for "a series of write" can be the data size of one\r | |
523 | // command request.\r | |
524 | // For ATA command such as Write Sector command, the data size of one\r | |
525 | // ATA command request is often larger than 1 sector, according to the\r | |
526 | // Write Sector command, the data size of "a series of read" is exactly\r | |
527 | // 1 sector.\r | |
528 | // Here for simplification reason, we specify the data size for\r | |
529 | // "a series of write" to 1 sector (256 words) if data size of one ATA command\r | |
530 | // request is larger than 256 words.\r | |
531 | //\r | |
532 | Increment = 256;\r | |
533 | WordCount = 0;\r | |
534 | \r | |
535 | while (WordCount < ByteCount / 2) {\r | |
536 | \r | |
537 | //\r | |
538 | // DRQReady2-- read Alternate Status Register to determine the DRQ bit\r | |
539 | // data transfer can be performed only when DRQ is ready.\r | |
540 | //\r | |
541 | Status = DRQReady2 (IdeDev, ATATIMEOUT);\r | |
542 | if (EFI_ERROR (Status)) {\r | |
543 | return EFI_DEVICE_ERROR;\r | |
544 | }\r | |
545 | \r | |
546 | Status = CheckErrorStatus (IdeDev);\r | |
547 | if (EFI_ERROR (Status)) {\r | |
548 | return EFI_DEVICE_ERROR;\r | |
549 | }\r | |
550 | \r | |
551 | //\r | |
552 | // Check the remaining byte count is less than 512 bytes\r | |
553 | //\r | |
554 | if ((WordCount + Increment) > ByteCount / 2) {\r | |
555 | Increment = ByteCount / 2 - WordCount;\r | |
556 | }\r | |
557 | //\r | |
558 | // perform a series of write without check DRQ ready\r | |
559 | //\r | |
560 | \r | |
561 | IDEWritePortWMultiple (\r | |
562 | IdeDev->PciIo,\r | |
563 | IdeDev->IoPort->Data,\r | |
564 | Increment,\r | |
565 | Buffer16\r | |
566 | );\r | |
567 | WordCount += Increment;\r | |
568 | Buffer16 += Increment;\r | |
569 | \r | |
570 | }\r | |
571 | \r | |
572 | DRQClear (IdeDev, ATATIMEOUT);\r | |
573 | \r | |
574 | return CheckErrorStatus (IdeDev);\r | |
575 | }\r | |
576 | \r | |
577 | /**\r | |
578 | This function is used to analyze the Status Register and print out\r | |
579 | some debug information and if there is ERR bit set in the Status\r | |
580 | Register, the Error Register's value is also be parsed and print out.\r | |
581 | \r | |
582 | @param[in] *IdeDev\r | |
583 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
584 | to record all the information of the IDE device.\r | |
585 | \r | |
586 | @retval EFI_SUCCESS No err information in the Status Register.\r | |
587 | @retval EFI_DEVICE_ERROR Any err information in the Status Register.\r | |
588 | \r | |
589 | **/\r | |
590 | EFI_STATUS\r | |
591 | CheckErrorStatus (\r | |
592 | IN IDE_BLK_IO_DEV *IdeDev\r | |
593 | )\r | |
594 | {\r | |
595 | UINT8 StatusRegister;\r | |
596 | UINT8 ErrorRegister;\r | |
597 | \r | |
598 | StatusRegister = IDEReadPortB (IdeDev->PciIo, IdeDev->IoPort->Reg.Status);\r | |
599 | \r | |
600 | DEBUG_CODE_BEGIN ();\r | |
601 | \r | |
602 | if (StatusRegister & DWF) {\r | |
603 | DEBUG (\r | |
604 | (EFI_D_BLKIO,\r | |
605 | "CheckErrorStatus()-- %02x : Error : Write Fault\n",\r | |
606 | StatusRegister)\r | |
607 | );\r | |
608 | }\r | |
609 | \r | |
610 | if (StatusRegister & CORR) {\r | |
611 | DEBUG (\r | |
612 | (EFI_D_BLKIO,\r | |
613 | "CheckErrorStatus()-- %02x : Error : Corrected Data\n",\r | |
614 | StatusRegister)\r | |
615 | );\r | |
616 | }\r | |
617 | \r | |
618 | if (StatusRegister & ERR) {\r | |
619 | ErrorRegister = IDEReadPortB (IdeDev->PciIo, IdeDev->IoPort->Reg1.Error);\r | |
620 | \r | |
621 | if (ErrorRegister & BBK_ERR) {\r | |
622 | DEBUG (\r | |
623 | (EFI_D_BLKIO,\r | |
624 | "CheckErrorStatus()-- %02x : Error : Bad Block Detected\n",\r | |
625 | ErrorRegister)\r | |
626 | );\r | |
627 | }\r | |
628 | \r | |
629 | if (ErrorRegister & UNC_ERR) {\r | |
630 | DEBUG (\r | |
631 | (EFI_D_BLKIO,\r | |
632 | "CheckErrorStatus()-- %02x : Error : Uncorrectable Data\n",\r | |
633 | ErrorRegister)\r | |
634 | );\r | |
635 | }\r | |
636 | \r | |
637 | if (ErrorRegister & MC_ERR) {\r | |
638 | DEBUG (\r | |
639 | (EFI_D_BLKIO,\r | |
640 | "CheckErrorStatus()-- %02x : Error : Media Change\n",\r | |
641 | ErrorRegister)\r | |
642 | );\r | |
643 | }\r | |
644 | \r | |
645 | if (ErrorRegister & ABRT_ERR) {\r | |
646 | DEBUG (\r | |
647 | (EFI_D_BLKIO,\r | |
648 | "CheckErrorStatus()-- %02x : Error : Abort\n",\r | |
649 | ErrorRegister)\r | |
650 | );\r | |
651 | }\r | |
652 | \r | |
653 | if (ErrorRegister & TK0NF_ERR) {\r | |
654 | DEBUG (\r | |
655 | (EFI_D_BLKIO,\r | |
656 | "CheckErrorStatus()-- %02x : Error : Track 0 Not Found\n",\r | |
657 | ErrorRegister)\r | |
658 | );\r | |
659 | }\r | |
660 | \r | |
661 | if (ErrorRegister & AMNF_ERR) {\r | |
662 | DEBUG (\r | |
663 | (EFI_D_BLKIO,\r | |
664 | "CheckErrorStatus()-- %02x : Error : Address Mark Not Found\n",\r | |
665 | ErrorRegister)\r | |
666 | );\r | |
667 | }\r | |
668 | }\r | |
669 | \r | |
670 | DEBUG_CODE_END ();\r | |
671 | \r | |
672 | if ((StatusRegister & (ERR | DWF | CORR)) == 0) {\r | |
673 | return EFI_SUCCESS;\r | |
674 | }\r | |
675 | \r | |
676 | return EFI_DEVICE_ERROR;\r | |
677 | \r | |
678 | }\r | |
679 | \r | |
680 | /**\r | |
681 | This function is called by the AtaBlkIoReadBlocks() to perform\r | |
682 | reading from media in block unit.\r | |
683 | \r | |
684 | @param[in] *IdeDev\r | |
685 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
686 | to record all the information of the IDE device.\r | |
687 | \r | |
688 | @param[in] *DataBuffer\r | |
689 | A pointer to the destination buffer for the data.\r | |
690 | \r | |
691 | @param[in] Lba\r | |
692 | The starting logical block address to read from\r | |
693 | on the device media.\r | |
694 | \r | |
695 | @param[in] NumberOfBlocks\r | |
696 | The number of transfer data blocks.\r | |
697 | \r | |
698 | @return return status is fully dependent on the return status\r | |
699 | of AtaPioDataIn() function.\r | |
700 | \r | |
701 | **/\r | |
702 | EFI_STATUS\r | |
703 | AtaReadSectors (\r | |
704 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
705 | IN VOID *DataBuffer,\r | |
706 | IN EFI_LBA Lba,\r | |
707 | IN UINTN NumberOfBlocks\r | |
708 | )\r | |
709 | {\r | |
710 | EFI_STATUS Status;\r | |
711 | UINTN BlocksRemaining;\r | |
712 | UINT32 Lba32;\r | |
713 | UINT8 Lba0;\r | |
714 | UINT8 Lba1;\r | |
715 | UINT8 Lba2;\r | |
716 | UINT8 Lba3;\r | |
717 | UINT8 AtaCommand;\r | |
718 | UINT8 SectorCount8;\r | |
719 | UINT16 SectorCount;\r | |
720 | UINTN ByteCount;\r | |
721 | VOID *Buffer;\r | |
722 | \r | |
723 | Buffer = DataBuffer;\r | |
724 | \r | |
725 | //\r | |
726 | // Using ATA Read Sector(s) command (opcode=0x20) with PIO DATA IN protocol\r | |
727 | //\r | |
728 | AtaCommand = READ_SECTORS_CMD;\r | |
729 | \r | |
730 | \r | |
731 | BlocksRemaining = NumberOfBlocks;\r | |
732 | \r | |
733 | Lba32 = (UINT32) Lba;\r | |
734 | \r | |
735 | Status = EFI_SUCCESS;\r | |
736 | \r | |
737 | while (BlocksRemaining > 0) {\r | |
738 | \r | |
739 | //\r | |
740 | // in ATA-3 spec, LBA is in 28 bit width\r | |
741 | //\r | |
742 | Lba0 = (UINT8) Lba32;\r | |
743 | Lba1 = (UINT8) (Lba32 >> 8);\r | |
744 | Lba2 = (UINT8) (Lba32 >> 16);\r | |
745 | //\r | |
746 | // low 4 bit of Lba3 stands for LBA bit24~bit27.\r | |
747 | //\r | |
748 | Lba3 = (UINT8) ((Lba32 >> 24) & 0x0f);\r | |
749 | \r | |
750 | if (BlocksRemaining >= 0x100) {\r | |
751 | \r | |
752 | //\r | |
753 | // SectorCount8 is sent to Sector Count register, 0x00 means 256\r | |
754 | // sectors to be read\r | |
755 | //\r | |
756 | SectorCount8 = 0x00;\r | |
757 | //\r | |
758 | // SectorCount is used to record the number of sectors to be read\r | |
759 | //\r | |
760 | SectorCount = 256;\r | |
761 | } else {\r | |
762 | \r | |
763 | SectorCount8 = (UINT8) BlocksRemaining;\r | |
764 | SectorCount = (UINT16) BlocksRemaining;\r | |
765 | }\r | |
766 | \r | |
767 | //\r | |
768 | // ByteCount is the number of bytes that will be read\r | |
769 | //\r | |
770 | ByteCount = SectorCount * (IdeDev->BlkIo.Media->BlockSize);\r | |
771 | \r | |
772 | //\r | |
773 | // call AtaPioDataIn() to send Read Sector Command and receive data read\r | |
774 | //\r | |
775 | Status = AtaPioDataIn (\r | |
776 | IdeDev,\r | |
777 | Buffer,\r | |
778 | (UINT32) ByteCount,\r | |
779 | AtaCommand,\r | |
780 | Lba3,\r | |
781 | SectorCount8,\r | |
782 | Lba0,\r | |
783 | Lba1,\r | |
784 | Lba2\r | |
785 | );\r | |
786 | if (EFI_ERROR (Status)) {\r | |
787 | return Status;\r | |
788 | }\r | |
789 | \r | |
790 | Lba32 += SectorCount;\r | |
791 | Buffer = ((UINT8 *) Buffer + ByteCount);\r | |
792 | BlocksRemaining -= SectorCount;\r | |
793 | }\r | |
794 | \r | |
795 | return Status;\r | |
796 | }\r | |
797 | \r | |
798 | /**\r | |
799 | This function is called by the AtaBlkIoWriteBlocks() to perform\r | |
800 | writing onto media in block unit.\r | |
801 | \r | |
802 | @param[in] *IdeDev\r | |
803 | pointer pointing to IDE_BLK_IO_DEV data structure,used\r | |
804 | to record all the information of the IDE device.\r | |
805 | \r | |
806 | @param[in] *BufferData\r | |
807 | A pointer to the source buffer for the data.\r | |
808 | \r | |
809 | @param[in] Lba\r | |
810 | The starting logical block address to write onto\r | |
811 | the device media.\r | |
812 | \r | |
813 | @param[in] NumberOfBlocks\r | |
814 | The number of transfer data blocks.\r | |
815 | \r | |
816 | @return return status is fully dependent on the return status\r | |
817 | of AtaPioDataOut() function.\r | |
818 | \r | |
819 | **/\r | |
820 | EFI_STATUS\r | |
821 | AtaWriteSectors (\r | |
822 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
823 | IN VOID *BufferData,\r | |
824 | IN EFI_LBA Lba,\r | |
825 | IN UINTN NumberOfBlocks\r | |
826 | )\r | |
827 | {\r | |
828 | EFI_STATUS Status;\r | |
829 | UINTN BlocksRemaining;\r | |
830 | UINT32 Lba32;\r | |
831 | UINT8 Lba0;\r | |
832 | UINT8 Lba1;\r | |
833 | UINT8 Lba2;\r | |
834 | UINT8 Lba3;\r | |
835 | UINT8 AtaCommand;\r | |
836 | UINT8 SectorCount8;\r | |
837 | UINT16 SectorCount;\r | |
838 | UINTN ByteCount;\r | |
839 | VOID *Buffer;\r | |
840 | \r | |
841 | Buffer = BufferData;\r | |
842 | \r | |
843 | //\r | |
844 | // Using Write Sector(s) command (opcode=0x30) with PIO DATA OUT protocol\r | |
845 | //\r | |
846 | AtaCommand = WRITE_SECTORS_CMD;\r | |
847 | \r | |
848 | BlocksRemaining = NumberOfBlocks;\r | |
849 | \r | |
850 | Lba32 = (UINT32) Lba;\r | |
851 | \r | |
852 | Status = EFI_SUCCESS;\r | |
853 | \r | |
854 | while (BlocksRemaining > 0) {\r | |
855 | \r | |
856 | Lba0 = (UINT8) Lba32;\r | |
857 | Lba1 = (UINT8) (Lba32 >> 8);\r | |
858 | Lba2 = (UINT8) (Lba32 >> 16);\r | |
859 | Lba3 = (UINT8) ((Lba32 >> 24) & 0x0f);\r | |
860 | \r | |
861 | if (BlocksRemaining >= 0x100) {\r | |
862 | \r | |
863 | //\r | |
864 | // SectorCount8 is sent to Sector Count register, 0x00 means 256 sectors\r | |
865 | // to be written\r | |
866 | //\r | |
867 | SectorCount8 = 0x00;\r | |
868 | //\r | |
869 | // SectorCount is used to record the number of sectors to be written\r | |
870 | //\r | |
871 | SectorCount = 256;\r | |
872 | } else {\r | |
873 | \r | |
874 | SectorCount8 = (UINT8) BlocksRemaining;\r | |
875 | SectorCount = (UINT16) BlocksRemaining;\r | |
876 | }\r | |
877 | \r | |
878 | ByteCount = SectorCount * (IdeDev->BlkIo.Media->BlockSize);\r | |
879 | \r | |
880 | Status = AtaPioDataOut (\r | |
881 | IdeDev,\r | |
882 | Buffer,\r | |
883 | (UINT32) ByteCount,\r | |
884 | AtaCommand,\r | |
885 | Lba3,\r | |
886 | SectorCount8,\r | |
887 | Lba0,\r | |
888 | Lba1,\r | |
889 | Lba2\r | |
890 | );\r | |
891 | if (EFI_ERROR (Status)) {\r | |
892 | return Status;\r | |
893 | }\r | |
894 | \r | |
895 | Lba32 += SectorCount;\r | |
896 | Buffer = ((UINT8 *) Buffer + ByteCount);\r | |
897 | BlocksRemaining -= SectorCount;\r | |
898 | }\r | |
899 | \r | |
900 | return Status;\r | |
901 | }\r | |
902 | \r | |
903 | /**\r | |
904 | This function is used to implement the Soft Reset on the specified\r | |
905 | device. But, the ATA Soft Reset mechanism is so strong a reset method\r | |
906 | that it will force resetting on both devices connected to the\r | |
907 | same cable.\r | |
908 | \r | |
909 | It is called by IdeBlkIoReset(), a interface function of Block\r | |
910 | I/O protocol.\r | |
911 | \r | |
912 | This function can also be used by the ATAPI device to perform reset when\r | |
913 | ATAPI Reset command is failed.\r | |
914 | \r | |
915 | @param[in] *IdeDev\r | |
916 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
917 | to record all the information of the IDE device.\r | |
918 | \r | |
919 | @retval EFI_SUCCESS Soft reset completes successfully.\r | |
920 | @retval EFI_DEVICE_ERROR Any step during the reset process is failed.\r | |
921 | \r | |
922 | @note\r | |
923 | The registers initial values after ATA soft reset are different\r | |
924 | to the ATA device and ATAPI device.\r | |
925 | \r | |
926 | **/\r | |
927 | EFI_STATUS\r | |
928 | AtaSoftReset (\r | |
929 | IN IDE_BLK_IO_DEV *IdeDev\r | |
930 | )\r | |
931 | {\r | |
932 | \r | |
933 | UINT8 DeviceControl;\r | |
934 | \r | |
935 | DeviceControl = 0;\r | |
936 | //\r | |
937 | // set SRST bit to initiate soft reset\r | |
938 | //\r | |
939 | DeviceControl |= SRST;\r | |
940 | \r | |
941 | //\r | |
942 | // disable Interrupt\r | |
943 | //\r | |
944 | DeviceControl |= bit1;\r | |
945 | \r | |
946 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Alt.DeviceControl, DeviceControl);\r | |
947 | \r | |
948 | //\r | |
949 | // SRST should assert for at least 5 us, we use 10 us for\r | |
950 | // better compatibility\r | |
951 | //\r | |
952 | gBS->Stall (10);\r | |
953 | \r | |
954 | //\r | |
955 | // Enable interrupt to support UDMA, and clear SRST bit\r | |
956 | //\r | |
957 | DeviceControl = 0;\r | |
958 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Alt.DeviceControl, DeviceControl);\r | |
959 | \r | |
960 | //\r | |
961 | // Wait for at least 2 ms to check BSY status, we use 10 ms\r | |
962 | // for better compatibility\r | |
963 | //\r | |
964 | gBS->Stall(10000);\r | |
965 | //\r | |
966 | // slave device needs at most 31s to clear BSY\r | |
967 | //\r | |
968 | if (WaitForBSYClear (IdeDev, 31000) == EFI_TIMEOUT) {\r | |
969 | return EFI_DEVICE_ERROR;\r | |
970 | }\r | |
971 | \r | |
972 | return EFI_SUCCESS;\r | |
973 | }\r | |
974 | \r | |
975 | /**\r | |
976 | This function is the ATA implementation for ReadBlocks in the\r | |
977 | Block I/O Protocol interface.\r | |
978 | \r | |
979 | @param[in] *IdeBlkIoDevice\r | |
980 | Indicates the calling context.\r | |
981 | \r | |
982 | @param[in] MediaId\r | |
983 | The media id that the read request is for.\r | |
984 | \r | |
985 | @param[in] LBA\r | |
986 | The starting logical block address to read from\r | |
987 | on the device.\r | |
988 | \r | |
989 | @param[in] BufferSize\r | |
990 | The size of the Buffer in bytes. This must be a\r | |
991 | multiple of the intrinsic block size of the device.\r | |
992 | \r | |
993 | @param[out] *Buffer\r | |
994 | A pointer to the destination buffer for the data.\r | |
995 | The caller is responsible for either having implicit\r | |
996 | or explicit ownership of the memory that data is read into.\r | |
997 | \r | |
998 | @retval EFI_SUCCESS Read Blocks successfully.\r | |
999 | @retval EFI_DEVICE_ERROR Read Blocks failed.\r | |
1000 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
1001 | @retval EFI_MEDIA_CHANGE The MediaId is not for the current media.\r | |
1002 | \r | |
1003 | @retval EFI_BAD_BUFFER_SIZE\r | |
1004 | The BufferSize parameter is not a multiple of the\r | |
1005 | intrinsic block size of the device.\r | |
1006 | \r | |
1007 | @retval EFI_INVALID_PARAMETER\r | |
1008 | The read request contains LBAs that are not valid,\r | |
1009 | or the data buffer is not valid.\r | |
1010 | \r | |
1011 | @note\r | |
1012 | If Read Block error because of device error, this function will call\r | |
1013 | AtaSoftReset() function to reset device.\r | |
1014 | \r | |
1015 | **/\r | |
1016 | EFI_STATUS\r | |
1017 | AtaBlkIoReadBlocks (\r | |
1018 | IN IDE_BLK_IO_DEV *IdeBlkIoDevice,\r | |
1019 | IN UINT32 MediaId,\r | |
1020 | IN EFI_LBA LBA,\r | |
1021 | IN UINTN BufferSize,\r | |
1022 | OUT VOID *Buffer\r | |
1023 | )\r | |
1024 | {\r | |
1025 | EFI_BLOCK_IO_MEDIA *Media;\r | |
1026 | UINTN BlockSize;\r | |
1027 | UINTN NumberOfBlocks;\r | |
1028 | EFI_STATUS Status;\r | |
1029 | \r | |
1030 | if (Buffer == NULL) {\r | |
1031 | return EFI_INVALID_PARAMETER;\r | |
1032 | }\r | |
1033 | \r | |
1034 | if (BufferSize == 0) {\r | |
1035 | return EFI_SUCCESS;\r | |
1036 | }\r | |
1037 | \r | |
1038 | Status = EFI_SUCCESS;\r | |
1039 | \r | |
1040 | //\r | |
1041 | // Get the intrinsic block size\r | |
1042 | //\r | |
1043 | Media = IdeBlkIoDevice->BlkIo.Media;\r | |
1044 | BlockSize = Media->BlockSize;\r | |
1045 | \r | |
1046 | NumberOfBlocks = BufferSize / BlockSize;\r | |
1047 | \r | |
1048 | if (MediaId != Media->MediaId) {\r | |
1049 | return EFI_MEDIA_CHANGED;\r | |
1050 | }\r | |
1051 | \r | |
1052 | if (BufferSize % BlockSize != 0) {\r | |
1053 | return EFI_BAD_BUFFER_SIZE;\r | |
1054 | }\r | |
1055 | \r | |
1056 | if (!(Media->MediaPresent)) {\r | |
1057 | return EFI_NO_MEDIA;\r | |
1058 | }\r | |
1059 | \r | |
1060 | if (LBA > Media->LastBlock) {\r | |
1061 | return EFI_INVALID_PARAMETER;\r | |
1062 | }\r | |
1063 | \r | |
1064 | if ((LBA + NumberOfBlocks - 1) > Media->LastBlock) {\r | |
1065 | return EFI_INVALID_PARAMETER;\r | |
1066 | }\r | |
1067 | \r | |
1068 | if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {\r | |
1069 | return EFI_INVALID_PARAMETER;\r | |
1070 | }\r | |
1071 | \r | |
1072 | Status = EFI_SUCCESS;\r | |
1073 | if (IdeBlkIoDevice->Type == Ide48bitAddressingHardDisk) {\r | |
1074 | //\r | |
1075 | // For ATA/ATAPI-6 device(capcity > 120GB), use ATA-6 read block mechanism\r | |
1076 | //\r | |
1077 | if (IdeBlkIoDevice->UdmaMode.Valid) {\r | |
1078 | Status = AtaUdmaReadExt (IdeBlkIoDevice, Buffer, LBA, NumberOfBlocks);\r | |
1079 | } else {\r | |
1080 | Status = AtaReadSectorsExt (IdeBlkIoDevice, Buffer, LBA, NumberOfBlocks);\r | |
1081 | }\r | |
1082 | } else {\r | |
1083 | //\r | |
1084 | // For ATA-3 compatible device, use ATA-3 read block mechanism\r | |
1085 | //\r | |
1086 | if (IdeBlkIoDevice->UdmaMode.Valid) {\r | |
1087 | Status = AtaUdmaRead (IdeBlkIoDevice, Buffer, LBA, NumberOfBlocks);\r | |
1088 | } else {\r | |
1089 | Status = AtaReadSectors (IdeBlkIoDevice, Buffer, LBA, NumberOfBlocks);\r | |
1090 | }\r | |
1091 | }\r | |
1092 | \r | |
1093 | if (EFI_ERROR (Status)) {\r | |
1094 | AtaSoftReset (IdeBlkIoDevice);\r | |
1095 | return EFI_DEVICE_ERROR;\r | |
1096 | }\r | |
1097 | \r | |
1098 | return EFI_SUCCESS;\r | |
1099 | \r | |
1100 | }\r | |
1101 | \r | |
1102 | /**\r | |
1103 | This function is the ATA implementation for WriteBlocks in the\r | |
1104 | Block I/O Protocol interface.\r | |
1105 | \r | |
1106 | @param[in] *IdeBlkIoDevice\r | |
1107 | Indicates the calling context.\r | |
1108 | \r | |
1109 | @param[in] MediaId\r | |
1110 | The media id that the write request is for.\r | |
1111 | \r | |
1112 | @param[in] LBA\r | |
1113 | The starting logical block address to write onto\r | |
1114 | the device.\r | |
1115 | \r | |
1116 | @param[in] BufferSize\r | |
1117 | The size of the Buffer in bytes. This must be a\r | |
1118 | multiple of the intrinsic block size of the device.\r | |
1119 | \r | |
1120 | @param[out] *Buffer\r | |
1121 | A pointer to the source buffer for the data.\r | |
1122 | The caller is responsible for either having implicit\r | |
1123 | or explicit ownership of the memory that data is\r | |
1124 | written from.\r | |
1125 | \r | |
1126 | @retval EFI_SUCCESS Write Blocks successfully.\r | |
1127 | @retval EFI_DEVICE_ERROR Write Blocks failed.\r | |
1128 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
1129 | @retval EFI_MEDIA_CHANGE The MediaId is not for the current media.\r | |
1130 | \r | |
1131 | @retval EFI_BAD_BUFFER_SIZE\r | |
1132 | The BufferSize parameter is not a multiple of the\r | |
1133 | intrinsic block size of the device.\r | |
1134 | \r | |
1135 | @retval EFI_INVALID_PARAMETER\r | |
1136 | The write request contains LBAs that are not valid,\r | |
1137 | or the data buffer is not valid.\r | |
1138 | \r | |
1139 | @note\r | |
1140 | If Write Block error because of device error, this function will call\r | |
1141 | AtaSoftReset() function to reset device.\r | |
1142 | \r | |
1143 | **/\r | |
1144 | EFI_STATUS\r | |
1145 | AtaBlkIoWriteBlocks (\r | |
1146 | IN IDE_BLK_IO_DEV *IdeBlkIoDevice,\r | |
1147 | IN UINT32 MediaId,\r | |
1148 | IN EFI_LBA LBA,\r | |
1149 | IN UINTN BufferSize,\r | |
1150 | OUT VOID *Buffer\r | |
1151 | )\r | |
1152 | {\r | |
1153 | \r | |
1154 | EFI_BLOCK_IO_MEDIA *Media;\r | |
1155 | UINTN BlockSize;\r | |
1156 | UINTN NumberOfBlocks;\r | |
1157 | EFI_STATUS Status;\r | |
1158 | \r | |
1159 | if (Buffer == NULL) {\r | |
1160 | return EFI_INVALID_PARAMETER;\r | |
1161 | }\r | |
1162 | \r | |
1163 | if (BufferSize == 0) {\r | |
1164 | return EFI_SUCCESS;\r | |
1165 | }\r | |
1166 | \r | |
1167 | Status = EFI_SUCCESS;\r | |
1168 | \r | |
1169 | //\r | |
1170 | // Get the intrinsic block size\r | |
1171 | //\r | |
1172 | Media = IdeBlkIoDevice->BlkIo.Media;\r | |
1173 | BlockSize = Media->BlockSize;\r | |
1174 | NumberOfBlocks = BufferSize / BlockSize;\r | |
1175 | \r | |
1176 | if (MediaId != Media->MediaId) {\r | |
1177 | return EFI_MEDIA_CHANGED;\r | |
1178 | }\r | |
1179 | \r | |
1180 | if (BufferSize % BlockSize != 0) {\r | |
1181 | return EFI_BAD_BUFFER_SIZE;\r | |
1182 | }\r | |
1183 | \r | |
1184 | if (LBA > Media->LastBlock) {\r | |
1185 | return EFI_INVALID_PARAMETER;\r | |
1186 | }\r | |
1187 | \r | |
1188 | if ((LBA + NumberOfBlocks - 1) > Media->LastBlock) {\r | |
1189 | return EFI_INVALID_PARAMETER;\r | |
1190 | }\r | |
1191 | \r | |
1192 | if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {\r | |
1193 | return EFI_INVALID_PARAMETER;\r | |
1194 | }\r | |
1195 | \r | |
1196 | Status = EFI_SUCCESS;\r | |
1197 | if (IdeBlkIoDevice->Type == Ide48bitAddressingHardDisk) {\r | |
1198 | //\r | |
1199 | // For ATA/ATAPI-6 device(capcity > 120GB), use ATA-6 write block mechanism\r | |
1200 | //\r | |
1201 | if (IdeBlkIoDevice->UdmaMode.Valid) {\r | |
1202 | Status = AtaUdmaWriteExt (IdeBlkIoDevice, Buffer, LBA, NumberOfBlocks);\r | |
1203 | } else {\r | |
1204 | Status = AtaWriteSectorsExt (IdeBlkIoDevice, Buffer, LBA, NumberOfBlocks);\r | |
1205 | }\r | |
1206 | } else {\r | |
1207 | //\r | |
1208 | // For ATA-3 compatible device, use ATA-3 write block mechanism\r | |
1209 | //\r | |
1210 | if (IdeBlkIoDevice->UdmaMode.Valid) {\r | |
1211 | Status = AtaUdmaWrite (IdeBlkIoDevice, Buffer, LBA, NumberOfBlocks);\r | |
1212 | } else {\r | |
1213 | Status = AtaWriteSectors (IdeBlkIoDevice, Buffer, LBA, NumberOfBlocks);\r | |
1214 | }\r | |
1215 | }\r | |
1216 | \r | |
1217 | if (EFI_ERROR (Status)) {\r | |
1218 | AtaSoftReset (IdeBlkIoDevice);\r | |
1219 | return EFI_DEVICE_ERROR;\r | |
1220 | }\r | |
1221 | \r | |
1222 | return EFI_SUCCESS;\r | |
1223 | }\r | |
1224 | \r | |
1225 | /**\r | |
1226 | This function is called by the AtaBlkIoReadBlocks() to perform\r | |
1227 | reading from media in block unit. The function has been enhanced to\r | |
1228 | support >120GB access and transfer at most 65536 blocks per command\r | |
1229 | \r | |
1230 | @param[in] *IdeDev\r | |
1231 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
1232 | to record all the information of the IDE device.\r | |
1233 | \r | |
1234 | @param[in] *DataBuffer A pointer to the destination buffer for the data.\r | |
1235 | @param[in] StartLba The starting logical block address to read from\r | |
1236 | on the device media.\r | |
1237 | @param[in] NumberOfBlocks The number of transfer data blocks.\r | |
1238 | \r | |
1239 | @return return status is fully dependent on the return status\r | |
1240 | of AtaPioDataInExt() function.\r | |
1241 | \r | |
1242 | **/\r | |
1243 | EFI_STATUS\r | |
1244 | AtaReadSectorsExt (\r | |
1245 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
1246 | IN VOID *DataBuffer,\r | |
1247 | IN EFI_LBA StartLba,\r | |
1248 | IN UINTN NumberOfBlocks\r | |
1249 | )\r | |
1250 | {\r | |
1251 | EFI_STATUS Status;\r | |
1252 | UINTN BlocksRemaining;\r | |
1253 | EFI_LBA Lba64;\r | |
1254 | UINT8 AtaCommand;\r | |
1255 | UINT16 SectorCount;\r | |
1256 | UINT32 ByteCount;\r | |
1257 | VOID *Buffer;\r | |
1258 | \r | |
1259 | //\r | |
1260 | // Using ATA "Read Sectors Ext" command(opcode=0x24) with PIO DATA IN protocol\r | |
1261 | //\r | |
1262 | AtaCommand = READ_SECTORS_EXT_CMD;\r | |
1263 | Buffer = DataBuffer;\r | |
1264 | BlocksRemaining = NumberOfBlocks;\r | |
1265 | Lba64 = StartLba;\r | |
1266 | Status = EFI_SUCCESS;\r | |
1267 | \r | |
1268 | while (BlocksRemaining > 0) {\r | |
1269 | \r | |
1270 | if (BlocksRemaining >= 0x10000) {\r | |
1271 | //\r | |
1272 | // SectorCount is used to record the number of sectors to be read\r | |
1273 | // Max 65536 sectors can be transfered at a time.\r | |
1274 | //\r | |
1275 | SectorCount = 0xffff;\r | |
1276 | } else {\r | |
1277 | SectorCount = (UINT16) BlocksRemaining;\r | |
1278 | }\r | |
1279 | \r | |
1280 | //\r | |
1281 | // ByteCount is the number of bytes that will be read\r | |
1282 | //\r | |
1283 | ByteCount = SectorCount * (IdeDev->BlkIo.Media->BlockSize);\r | |
1284 | \r | |
1285 | //\r | |
1286 | // call AtaPioDataInExt() to send Read Sector Command and receive data read\r | |
1287 | //\r | |
1288 | Status = AtaPioDataInExt (\r | |
1289 | IdeDev,\r | |
1290 | Buffer,\r | |
1291 | ByteCount,\r | |
1292 | AtaCommand,\r | |
1293 | Lba64,\r | |
1294 | SectorCount\r | |
1295 | );\r | |
1296 | if (EFI_ERROR (Status)) {\r | |
1297 | return Status;\r | |
1298 | }\r | |
1299 | \r | |
1300 | Lba64 += SectorCount;\r | |
1301 | Buffer = ((UINT8 *) Buffer + ByteCount);\r | |
1302 | BlocksRemaining -= SectorCount;\r | |
1303 | }\r | |
1304 | \r | |
1305 | return Status;\r | |
1306 | }\r | |
1307 | \r | |
1308 | /**\r | |
1309 | This function is called by the AtaBlkIoWriteBlocks() to perform\r | |
1310 | writing onto media in block unit. The function has been enhanced to\r | |
1311 | support >120GB access and transfer at most 65536 blocks per command\r | |
1312 | \r | |
1313 | @param[in] *IdeDev\r | |
1314 | pointer pointing to IDE_BLK_IO_DEV data structure,used\r | |
1315 | to record all the information of the IDE device.\r | |
1316 | \r | |
1317 | @param[in] *DataBuffer\r | |
1318 | A pointer to the source buffer for the data.\r | |
1319 | \r | |
1320 | @param[in] Lba\r | |
1321 | The starting logical block address to write onto\r | |
1322 | the device media.\r | |
1323 | \r | |
1324 | @param[in] NumberOfBlocks\r | |
1325 | The number of transfer data blocks.\r | |
1326 | \r | |
1327 | @return status is fully dependent on the return status\r | |
1328 | of AtaPioDataOutExt() function.\r | |
1329 | \r | |
1330 | **/\r | |
1331 | EFI_STATUS\r | |
1332 | AtaWriteSectorsExt (\r | |
1333 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
1334 | IN VOID *DataBuffer,\r | |
1335 | IN EFI_LBA StartLba,\r | |
1336 | IN UINTN NumberOfBlocks\r | |
1337 | )\r | |
1338 | {\r | |
1339 | EFI_STATUS Status;\r | |
1340 | EFI_LBA Lba64;\r | |
1341 | UINTN BlocksRemaining;\r | |
1342 | UINT8 AtaCommand;\r | |
1343 | UINT16 SectorCount;\r | |
1344 | UINT32 ByteCount;\r | |
1345 | VOID *Buffer;\r | |
1346 | \r | |
1347 | //\r | |
1348 | // Using ATA "Write Sectors Ext" cmd(opcode=0x24) with PIO DATA OUT protocol\r | |
1349 | //\r | |
1350 | AtaCommand = WRITE_SECTORS_EXT_CMD;\r | |
1351 | Lba64 = StartLba;\r | |
1352 | Buffer = DataBuffer;\r | |
1353 | BlocksRemaining = NumberOfBlocks;\r | |
1354 | \r | |
1355 | Status = EFI_SUCCESS;\r | |
1356 | \r | |
1357 | while (BlocksRemaining > 0) {\r | |
1358 | \r | |
1359 | if (BlocksRemaining >= 0x10000) {\r | |
1360 | //\r | |
1361 | // SectorCount is used to record the number of sectors to be written.\r | |
1362 | // Max 65536 sectors can be transfered at a time.\r | |
1363 | //\r | |
1364 | SectorCount = 0xffff;\r | |
1365 | } else {\r | |
1366 | SectorCount = (UINT16) BlocksRemaining;\r | |
1367 | }\r | |
1368 | \r | |
1369 | //\r | |
1370 | // ByteCount is the number of bytes that will be written\r | |
1371 | //\r | |
1372 | ByteCount = SectorCount * (IdeDev->BlkIo.Media->BlockSize);\r | |
1373 | \r | |
1374 | //\r | |
1375 | // Call AtaPioDataOutExt() to send "Write Sectors Ext" Command\r | |
1376 | //\r | |
1377 | Status = AtaPioDataOutExt (\r | |
1378 | IdeDev,\r | |
1379 | Buffer,\r | |
1380 | ByteCount,\r | |
1381 | AtaCommand,\r | |
1382 | Lba64,\r | |
1383 | SectorCount\r | |
1384 | );\r | |
1385 | if (EFI_ERROR (Status)) {\r | |
1386 | return Status;\r | |
1387 | }\r | |
1388 | \r | |
1389 | Lba64 += SectorCount;\r | |
1390 | Buffer = ((UINT8 *) Buffer + ByteCount);\r | |
1391 | BlocksRemaining -= SectorCount;\r | |
1392 | }\r | |
1393 | \r | |
1394 | return Status;\r | |
1395 | }\r | |
1396 | \r | |
1397 | /**\r | |
1398 | This function is used to send out ATA commands conforms to the\r | |
1399 | PIO Data In Protocol, supporting ATA/ATAPI-6 standard\r | |
1400 | \r | |
1401 | Comparing with ATA-3 data in protocol, we have two differents here:<BR>\r | |
1402 | 1. Do NOT wait for DRQ clear before sending command into IDE device.(the\r | |
1403 | wait will frequently fail... cause writing function return error)\r | |
1404 | \r | |
1405 | 2. Do NOT wait for DRQ clear after all data readed.(the wait greatly\r | |
1406 | slow down writing performance by 100 times!)\r | |
1407 | \r | |
1408 | @param[in] *IdeDev pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
1409 | to record all the information of the IDE device.\r | |
1410 | \r | |
1411 | @param[in,out] *Buffer buffer contained data transferred from device to host.\r | |
1412 | @param[in] ByteCount data size in byte unit of the buffer.\r | |
1413 | @param[in] AtaCommand value of the Command Register\r | |
1414 | @param[in] StartLba the start LBA of this transaction\r | |
1415 | @param[in] SectorCount the count of sectors to be transfered\r | |
1416 | \r | |
1417 | @retval EFI_SUCCESS send out the ATA command and device send required\r | |
1418 | data successfully.\r | |
1419 | \r | |
1420 | @retval EFI_DEVICE_ERROR command sent failed.\r | |
1421 | \r | |
1422 | **/\r | |
1423 | EFI_STATUS\r | |
1424 | AtaPioDataInExt (\r | |
1425 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
1426 | IN OUT VOID *Buffer,\r | |
1427 | IN UINT32 ByteCount,\r | |
1428 | IN UINT8 AtaCommand,\r | |
1429 | IN EFI_LBA StartLba,\r | |
1430 | IN UINT16 SectorCount\r | |
1431 | )\r | |
1432 | {\r | |
1433 | UINT8 DevSel;\r | |
1434 | UINT8 SectorCount8;\r | |
1435 | UINT8 LbaLow;\r | |
1436 | UINT8 LbaMid;\r | |
1437 | UINT8 LbaHigh;\r | |
1438 | UINTN WordCount;\r | |
1439 | UINTN Increment;\r | |
1440 | UINT16 *Buffer16;\r | |
1441 | EFI_STATUS Status;\r | |
1442 | \r | |
1443 | Status = WaitForBSYClear (IdeDev, ATATIMEOUT);\r | |
1444 | if (EFI_ERROR (Status)) {\r | |
1445 | return EFI_DEVICE_ERROR;\r | |
1446 | }\r | |
1447 | \r | |
1448 | //\r | |
1449 | // Select device, set bit6 as 1 to indicate LBA mode is used\r | |
1450 | //\r | |
1451 | DevSel = (UINT8) (IdeDev->Device << 4);\r | |
1452 | DevSel |= 0x40;\r | |
1453 | IDEWritePortB (\r | |
1454 | IdeDev->PciIo,\r | |
1455 | IdeDev->IoPort->Head,\r | |
1456 | DevSel\r | |
1457 | );\r | |
1458 | \r | |
1459 | //\r | |
1460 | // Wait for DRDY singnal asserting. ATAPI device needn't wait\r | |
1461 | //\r | |
1462 | if ( (IdeDev->Type == IdeHardDisk) ||\r | |
1463 | (IdeDev->Type == Ide48bitAddressingHardDisk)) {\r | |
1464 | \r | |
1465 | Status = DRDYReady (IdeDev, ATATIMEOUT);\r | |
1466 | if (EFI_ERROR (Status)) {\r | |
1467 | return EFI_DEVICE_ERROR;\r | |
1468 | }\r | |
1469 | }\r | |
1470 | \r | |
1471 | //\r | |
1472 | // Fill feature register if needed\r | |
1473 | //\r | |
1474 | if (AtaCommand == SET_FEATURES_CMD) {\r | |
1475 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg1.Feature, 0x03);\r | |
1476 | }\r | |
1477 | \r | |
1478 | //\r | |
1479 | // Fill the sector count register, which is a two-byte FIFO. Need write twice.\r | |
1480 | //\r | |
1481 | SectorCount8 = (UINT8) (SectorCount >> 8);\r | |
1482 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorCount, SectorCount8);\r | |
1483 | \r | |
1484 | SectorCount8 = (UINT8) SectorCount;\r | |
1485 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorCount, SectorCount8);\r | |
1486 | \r | |
1487 | //\r | |
1488 | // Fill the start LBA registers, which are also two-byte FIFO\r | |
1489 | //\r | |
1490 | LbaLow = (UINT8) RShiftU64 (StartLba, 24);\r | |
1491 | LbaMid = (UINT8) RShiftU64 (StartLba, 32);\r | |
1492 | LbaHigh = (UINT8) RShiftU64 (StartLba, 40);\r | |
1493 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorNumber, LbaLow);\r | |
1494 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb, LbaMid);\r | |
1495 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb, LbaHigh);\r | |
1496 | \r | |
1497 | LbaLow = (UINT8) StartLba;\r | |
1498 | LbaMid = (UINT8) RShiftU64 (StartLba, 8);\r | |
1499 | LbaHigh = (UINT8) RShiftU64 (StartLba, 16);\r | |
1500 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorNumber, LbaLow);\r | |
1501 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb, LbaMid);\r | |
1502 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb, LbaHigh);\r | |
1503 | \r | |
1504 | //\r | |
1505 | // Send command via Command Register, invoking the processing of this command\r | |
1506 | //\r | |
1507 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg.Command, AtaCommand);\r | |
1508 | \r | |
1509 | Buffer16 = (UINT16 *) Buffer;\r | |
1510 | \r | |
1511 | //\r | |
1512 | // According to PIO data in protocol, host can perform a series of reads to\r | |
1513 | // the data register after each time device set DRQ ready;\r | |
1514 | //\r | |
1515 | \r | |
1516 | //\r | |
1517 | // 256 words\r | |
1518 | //\r | |
1519 | Increment = 256;\r | |
1520 | \r | |
1521 | //\r | |
1522 | // used to record bytes of currently transfered data\r | |
1523 | //\r | |
1524 | WordCount = 0;\r | |
1525 | \r | |
1526 | while (WordCount < ByteCount / 2) {\r | |
1527 | //\r | |
1528 | // Poll DRQ bit set, data transfer can be performed only when DRQ is ready.\r | |
1529 | //\r | |
1530 | Status = DRQReady2 (IdeDev, ATATIMEOUT);\r | |
1531 | if (EFI_ERROR (Status)) {\r | |
1532 | return EFI_DEVICE_ERROR;\r | |
1533 | }\r | |
1534 | \r | |
1535 | Status = CheckErrorStatus (IdeDev);\r | |
1536 | if (EFI_ERROR (Status)) {\r | |
1537 | return EFI_DEVICE_ERROR;\r | |
1538 | }\r | |
1539 | \r | |
1540 | //\r | |
1541 | // Get the byte count for one series of read\r | |
1542 | //\r | |
1543 | if ((WordCount + Increment) > ByteCount / 2) {\r | |
1544 | Increment = ByteCount / 2 - WordCount;\r | |
1545 | }\r | |
1546 | \r | |
1547 | IDEReadPortWMultiple (\r | |
1548 | IdeDev->PciIo,\r | |
1549 | IdeDev->IoPort->Data,\r | |
1550 | Increment,\r | |
1551 | Buffer16\r | |
1552 | );\r | |
1553 | \r | |
1554 | WordCount += Increment;\r | |
1555 | Buffer16 += Increment;\r | |
1556 | \r | |
1557 | }\r | |
1558 | \r | |
1559 | return CheckErrorStatus (IdeDev);\r | |
1560 | }\r | |
1561 | \r | |
1562 | /**\r | |
1563 | This function is used to send out ATA commands conforms to the\r | |
1564 | PIO Data Out Protocol, supporting ATA/ATAPI-6 standard\r | |
1565 | \r | |
1566 | Comparing with ATA-3 data out protocol, we have two differents here:<BR>\r | |
1567 | 1. Do NOT wait for DRQ clear before sending command into IDE device.(the\r | |
1568 | wait will frequently fail... cause writing function return error)\r | |
1569 | \r | |
1570 | 2. Do NOT wait for DRQ clear after all data readed.(the wait greatly\r | |
1571 | slow down writing performance by 100 times!)\r | |
1572 | \r | |
1573 | @param[in] *IdeDev\r | |
1574 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
1575 | to record all the information of the IDE device.\r | |
1576 | \r | |
1577 | @param[in] *Buffer buffer contained data transferred from host to device.\r | |
1578 | @param[in] ByteCount data size in byte unit of the buffer.\r | |
1579 | @param[in] AtaCommand value of the Command Register\r | |
1580 | @param[in] StartLba the start LBA of this transaction\r | |
1581 | @param[in] SectorCount the count of sectors to be transfered\r | |
1582 | \r | |
1583 | @retval EFI_SUCCESS send out the ATA command and device receive required\r | |
1584 | data successfully.\r | |
1585 | \r | |
1586 | @retval EFI_DEVICE_ERROR command sent failed.\r | |
1587 | \r | |
1588 | **/\r | |
1589 | EFI_STATUS\r | |
1590 | AtaPioDataOutExt (\r | |
1591 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
1592 | IN VOID *Buffer,\r | |
1593 | IN UINT32 ByteCount,\r | |
1594 | IN UINT8 AtaCommand,\r | |
1595 | IN EFI_LBA StartLba,\r | |
1596 | IN UINT16 SectorCount\r | |
1597 | )\r | |
1598 | {\r | |
1599 | UINT8 DevSel;\r | |
1600 | UINT8 SectorCount8;\r | |
1601 | UINT8 LbaLow;\r | |
1602 | UINT8 LbaMid;\r | |
1603 | UINT8 LbaHigh;\r | |
1604 | UINTN WordCount;\r | |
1605 | UINTN Increment;\r | |
1606 | UINT16 *Buffer16;\r | |
1607 | EFI_STATUS Status;\r | |
1608 | \r | |
1609 | Status = WaitForBSYClear (IdeDev, ATATIMEOUT);\r | |
1610 | if (EFI_ERROR (Status)) {\r | |
1611 | return EFI_DEVICE_ERROR;\r | |
1612 | }\r | |
1613 | \r | |
1614 | //\r | |
1615 | // Select device. Set bit6 as 1 to indicate LBA mode is used\r | |
1616 | //\r | |
1617 | DevSel = (UINT8) (IdeDev->Device << 4);\r | |
1618 | DevSel |= 0x40;\r | |
1619 | IDEWritePortB (\r | |
1620 | IdeDev->PciIo,\r | |
1621 | IdeDev->IoPort->Head,\r | |
1622 | DevSel\r | |
1623 | );\r | |
1624 | \r | |
1625 | //\r | |
1626 | // Wait for DRDY singnal asserting.\r | |
1627 | //\r | |
1628 | Status = DRDYReady (IdeDev, ATATIMEOUT);\r | |
1629 | if (EFI_ERROR (Status)) {\r | |
1630 | return EFI_DEVICE_ERROR;\r | |
1631 | }\r | |
1632 | \r | |
1633 | //\r | |
1634 | // Fill feature register if needed\r | |
1635 | //\r | |
1636 | if (AtaCommand == SET_FEATURES_CMD) {\r | |
1637 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg1.Feature, 0x03);\r | |
1638 | }\r | |
1639 | \r | |
1640 | //\r | |
1641 | // Fill the sector count register, which is a two-byte FIFO. Need write twice.\r | |
1642 | //\r | |
1643 | SectorCount8 = (UINT8) (SectorCount >> 8);\r | |
1644 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorCount, SectorCount8);\r | |
1645 | \r | |
1646 | SectorCount8 = (UINT8) SectorCount;\r | |
1647 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorCount, SectorCount8);\r | |
1648 | \r | |
1649 | //\r | |
1650 | // Fill the start LBA registers, which are also two-byte FIFO\r | |
1651 | //\r | |
1652 | LbaLow = (UINT8) RShiftU64 (StartLba, 24);\r | |
1653 | LbaMid = (UINT8) RShiftU64 (StartLba, 32);\r | |
1654 | LbaHigh = (UINT8) RShiftU64 (StartLba, 40);\r | |
1655 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorNumber, LbaLow);\r | |
1656 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb, LbaMid);\r | |
1657 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb, LbaHigh);\r | |
1658 | \r | |
1659 | LbaLow = (UINT8) StartLba;\r | |
1660 | LbaMid = (UINT8) RShiftU64 (StartLba, 8);\r | |
1661 | LbaHigh = (UINT8) RShiftU64 (StartLba, 16);\r | |
1662 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorNumber, LbaLow);\r | |
1663 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb, LbaMid);\r | |
1664 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb, LbaHigh);\r | |
1665 | \r | |
1666 | //\r | |
1667 | // Send command via Command Register, invoking the processing of this command\r | |
1668 | //\r | |
1669 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg.Command, AtaCommand);\r | |
1670 | \r | |
1671 | Buffer16 = (UINT16 *) Buffer;\r | |
1672 | \r | |
1673 | //\r | |
1674 | // According to PIO Data Out protocol, host can perform a series of writes to\r | |
1675 | // the data register after each time device set DRQ ready;\r | |
1676 | //\r | |
1677 | Increment = 256;\r | |
1678 | \r | |
1679 | //\r | |
1680 | // used to record bytes of currently transfered data\r | |
1681 | //\r | |
1682 | WordCount = 0;\r | |
1683 | \r | |
1684 | while (WordCount < ByteCount / 2) {\r | |
1685 | //\r | |
1686 | // Poll DRQ bit set, data transfer can be performed only when DRQ is ready.\r | |
1687 | //\r | |
1688 | Status = DRQReady2 (IdeDev, ATATIMEOUT);\r | |
1689 | if (EFI_ERROR (Status)) {\r | |
1690 | return EFI_DEVICE_ERROR;\r | |
1691 | }\r | |
1692 | \r | |
1693 | Status = CheckErrorStatus (IdeDev);\r | |
1694 | if (EFI_ERROR (Status)) {\r | |
1695 | return EFI_DEVICE_ERROR;\r | |
1696 | }\r | |
1697 | \r | |
1698 | //\r | |
1699 | // Write data into device by one series of writing to data register\r | |
1700 | //\r | |
1701 | if ((WordCount + Increment) > ByteCount / 2) {\r | |
1702 | Increment = ByteCount / 2 - WordCount;\r | |
1703 | }\r | |
1704 | \r | |
1705 | IDEWritePortWMultiple (\r | |
1706 | IdeDev->PciIo,\r | |
1707 | IdeDev->IoPort->Data,\r | |
1708 | Increment,\r | |
1709 | Buffer16\r | |
1710 | );\r | |
1711 | \r | |
1712 | WordCount += Increment;\r | |
1713 | Buffer16 += Increment;\r | |
1714 | \r | |
1715 | }\r | |
1716 | //\r | |
1717 | // while\r | |
1718 | //\r | |
1719 | \r | |
1720 | return CheckErrorStatus (IdeDev);\r | |
1721 | }\r | |
1722 | \r | |
1723 | \r | |
1724 | /**\r | |
1725 | Enable SMART of the disk if supported\r | |
1726 | \r | |
1727 | @param[in] *IdeDev\r | |
1728 | pointer pointing to IDE_BLK_IO_DEV data structure,used\r | |
1729 | to record all the information of the IDE device.\r | |
1730 | \r | |
1731 | **/\r | |
1732 | VOID\r | |
1733 | AtaSMARTSupport (\r | |
1734 | IN IDE_BLK_IO_DEV *IdeDev\r | |
1735 | )\r | |
1736 | {\r | |
1737 | EFI_STATUS Status;\r | |
1738 | BOOLEAN SMARTSupported;\r | |
1739 | UINT8 Device;\r | |
1740 | EFI_IDENTIFY_DATA *TmpAtaIdentifyPointer;\r | |
1741 | UINT8 DeviceSelect;\r | |
1742 | UINT8 LBAMid;\r | |
1743 | UINT8 LBAHigh;\r | |
1744 | \r | |
1745 | //\r | |
1746 | // Detect if the device supports S.M.A.R.T.\r | |
1747 | //\r | |
1748 | if ((IdeDev->pIdData->AtaData.command_set_supported_83 & 0xc000) != 0x4000) {\r | |
1749 | //\r | |
1750 | // Data in word 82 is not valid (bit15 shall be zero and bit14 shall be to one)\r | |
1751 | //\r | |
1752 | return ;\r | |
1753 | } else {\r | |
1754 | if ((IdeDev->pIdData->AtaData.command_set_supported_82 & 0x0001) != 0x0001) {\r | |
1755 | //\r | |
1756 | // S.M.A.R.T is not supported by the device\r | |
1757 | //\r | |
1758 | SMARTSupported = FALSE;\r | |
1759 | } else {\r | |
1760 | SMARTSupported = TRUE;\r | |
1761 | }\r | |
1762 | }\r | |
1763 | \r | |
1764 | if (!SMARTSupported) {\r | |
1765 | //\r | |
1766 | // Report nonsupport status code\r | |
1767 | //\r | |
1768 | REPORT_STATUS_CODE (\r | |
1769 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
1770 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_ATA_BUS_SMART_NOTSUPPORTED)\r | |
1771 | );\r | |
1772 | } else {\r | |
1773 | //\r | |
1774 | // Enable this feature\r | |
1775 | //\r | |
1776 | REPORT_STATUS_CODE (\r | |
1777 | EFI_PROGRESS_CODE,\r | |
1778 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_ATA_BUS_SMART_ENABLE)\r | |
1779 | );\r | |
1780 | \r | |
1781 | Device = (UINT8) ((IdeDev->Device << 4) | 0xe0);\r | |
1782 | Status = AtaNonDataCommandIn (\r | |
1783 | IdeDev,\r | |
1784 | ATA_SMART_CMD,\r | |
1785 | Device,\r | |
1786 | ATA_SMART_ENABLE_OPERATION,\r | |
1787 | 0,\r | |
1788 | 0,\r | |
1789 | ATA_CONSTANT_4F,\r | |
1790 | ATA_CONSTANT_C2\r | |
1791 | );\r | |
1792 | //\r | |
1793 | // Detect if this feature is enabled\r | |
1794 | //\r | |
1795 | TmpAtaIdentifyPointer = (EFI_IDENTIFY_DATA *) AllocateZeroPool (sizeof (EFI_IDENTIFY_DATA));\r | |
1796 | \r | |
1797 | DeviceSelect = (UINT8) ((IdeDev->Device) << 4);\r | |
1798 | Status = AtaPioDataIn (\r | |
1799 | IdeDev,\r | |
1800 | (VOID *) TmpAtaIdentifyPointer,\r | |
1801 | sizeof (EFI_IDENTIFY_DATA),\r | |
1802 | IDENTIFY_DRIVE_CMD,\r | |
1803 | DeviceSelect,\r | |
1804 | 0,\r | |
1805 | 0,\r | |
1806 | 0,\r | |
1807 | 0\r | |
1808 | );\r | |
1809 | if (EFI_ERROR (Status)) {\r | |
1810 | gBS->FreePool (TmpAtaIdentifyPointer);\r | |
1811 | return ;\r | |
1812 | }\r | |
1813 | \r | |
1814 | //\r | |
1815 | // Check if the feature is enabled\r | |
1816 | //\r | |
1817 | if ((TmpAtaIdentifyPointer->AtaData.command_set_feature_enb_85 & 0x0001) == 0x0001) {\r | |
1818 | //\r | |
1819 | // Read status data\r | |
1820 | //\r | |
1821 | AtaNonDataCommandIn (\r | |
1822 | IdeDev,\r | |
1823 | ATA_SMART_CMD,\r | |
1824 | Device,\r | |
1825 | ATA_SMART_RETURN_STATUS,\r | |
1826 | 0,\r | |
1827 | 0,\r | |
1828 | ATA_CONSTANT_4F,\r | |
1829 | ATA_CONSTANT_C2\r | |
1830 | );\r | |
1831 | LBAMid = IDEReadPortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb);\r | |
1832 | LBAHigh = IDEReadPortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb);\r | |
1833 | \r | |
1834 | if ((LBAMid == 0x4f) && (LBAHigh == 0xc2)) {\r | |
1835 | //\r | |
1836 | // The threshold exceeded condition is not detected by the device\r | |
1837 | //\r | |
1838 | REPORT_STATUS_CODE (\r | |
1839 | EFI_PROGRESS_CODE,\r | |
1840 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_ATA_BUS_SMART_UNDERTHRESHOLD)\r | |
1841 | );\r | |
1842 | \r | |
1843 | } else if ((LBAMid == 0xf4) && (LBAHigh == 0x2c)) {\r | |
1844 | //\r | |
1845 | // The threshold exceeded condition is detected by the device\r | |
1846 | //\r | |
1847 | REPORT_STATUS_CODE (\r | |
1848 | EFI_PROGRESS_CODE,\r | |
1849 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_ATA_BUS_SMART_OVERTHRESHOLD)\r | |
1850 | );\r | |
1851 | }\r | |
1852 | \r | |
1853 | } else {\r | |
1854 | //\r | |
1855 | // Report disabled status code\r | |
1856 | //\r | |
1857 | REPORT_STATUS_CODE (\r | |
1858 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
1859 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_ATA_BUS_SMART_DISABLED)\r | |
1860 | );\r | |
1861 | }\r | |
1862 | \r | |
1863 | gBS->FreePool (TmpAtaIdentifyPointer);\r | |
1864 | }\r | |
1865 | \r | |
1866 | return ;\r | |
1867 | }\r | |
1868 | \r | |
1869 | /**\r | |
1870 | Send ATA Ext command into device with NON_DATA protocol\r | |
1871 | \r | |
1872 | @param IdeDev Standard IDE device private data structure\r | |
1873 | @param AtaCommand The ATA command to be sent\r | |
1874 | @param Device The value in Device register\r | |
1875 | @param Feature The value in Feature register\r | |
1876 | @param SectorCount The value in SectorCount register\r | |
1877 | @param LbaAddress The LBA address in 48-bit mode\r | |
1878 | \r | |
1879 | @retval EFI_SUCCESS Reading succeed\r | |
1880 | @retval EFI_DEVICE_ERROR Error executing commands on this device\r | |
1881 | \r | |
1882 | **/\r | |
1883 | EFI_STATUS\r | |
1884 | AtaCommandIssueExt (\r | |
1885 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
1886 | IN UINT8 AtaCommand,\r | |
1887 | IN UINT8 Device,\r | |
1888 | IN UINT16 Feature,\r | |
1889 | IN UINT16 SectorCount,\r | |
1890 | IN EFI_LBA LbaAddress\r | |
1891 | )\r | |
1892 | {\r | |
1893 | EFI_STATUS Status;\r | |
1894 | UINT8 SectorCount8;\r | |
1895 | UINT8 Feature8;\r | |
1896 | UINT8 LbaLow;\r | |
1897 | UINT8 LbaMid;\r | |
1898 | UINT8 LbaHigh;\r | |
1899 | \r | |
1900 | Status = WaitForBSYClear (IdeDev, ATATIMEOUT);\r | |
1901 | if (EFI_ERROR (Status)) {\r | |
1902 | return EFI_DEVICE_ERROR;\r | |
1903 | }\r | |
1904 | \r | |
1905 | //\r | |
1906 | // Select device (bit4), set LBA mode(bit6) (use 0xe0 for compatibility)\r | |
1907 | //\r | |
1908 | IDEWritePortB (\r | |
1909 | IdeDev->PciIo,\r | |
1910 | IdeDev->IoPort->Head,\r | |
1911 | (UINT8) ((IdeDev->Device << 4) | 0xe0)\r | |
1912 | );\r | |
1913 | \r | |
1914 | //\r | |
1915 | // ATA commands for ATA device must be issued when DRDY is set\r | |
1916 | //\r | |
1917 | Status = DRDYReady (IdeDev, ATATIMEOUT);\r | |
1918 | if (EFI_ERROR (Status)) {\r | |
1919 | return EFI_DEVICE_ERROR;\r | |
1920 | }\r | |
1921 | \r | |
1922 | //\r | |
1923 | // Pass parameter into device register block\r | |
1924 | //\r | |
1925 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Head, Device);\r | |
1926 | \r | |
1927 | //\r | |
1928 | // Fill the feature register, which is a two-byte FIFO. Need write twice.\r | |
1929 | //\r | |
1930 | Feature8 = (UINT8) (Feature >> 8);\r | |
1931 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg1.Feature, Feature8);\r | |
1932 | \r | |
1933 | Feature8 = (UINT8) Feature;\r | |
1934 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg1.Feature, Feature8);\r | |
1935 | \r | |
1936 | //\r | |
1937 | // Fill the sector count register, which is a two-byte FIFO. Need write twice.\r | |
1938 | //\r | |
1939 | SectorCount8 = (UINT8) (SectorCount >> 8);\r | |
1940 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorCount, SectorCount8);\r | |
1941 | \r | |
1942 | SectorCount8 = (UINT8) SectorCount;\r | |
1943 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorCount, SectorCount8);\r | |
1944 | \r | |
1945 | //\r | |
1946 | // Fill the start LBA registers, which are also two-byte FIFO\r | |
1947 | //\r | |
1948 | LbaLow = (UINT8) RShiftU64 (LbaAddress, 24);\r | |
1949 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorNumber, LbaLow);\r | |
1950 | LbaLow = (UINT8) LbaAddress;\r | |
1951 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorNumber, LbaLow);\r | |
1952 | \r | |
1953 | LbaMid = (UINT8) RShiftU64 (LbaAddress, 32);\r | |
1954 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb, LbaMid);\r | |
1955 | LbaMid = (UINT8) RShiftU64 (LbaAddress, 8);\r | |
1956 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb, LbaMid);\r | |
1957 | \r | |
1958 | LbaHigh = (UINT8) RShiftU64 (LbaAddress, 40);\r | |
1959 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb, LbaHigh);\r | |
1960 | LbaHigh = (UINT8) RShiftU64 (LbaAddress, 16);\r | |
1961 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb, LbaHigh);\r | |
1962 | \r | |
1963 | //\r | |
1964 | // Work around for Segate 160G disk writing\r | |
1965 | //\r | |
1966 | gBS->Stall (1800);\r | |
1967 | \r | |
1968 | //\r | |
1969 | // Send command via Command Register\r | |
1970 | //\r | |
1971 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg.Command, AtaCommand);\r | |
1972 | \r | |
1973 | //\r | |
1974 | // Stall at least 400ns\r | |
1975 | //\r | |
1976 | gBS->Stall (100);\r | |
1977 | \r | |
1978 | return EFI_SUCCESS;\r | |
1979 | }\r | |
1980 | \r | |
1981 | /**\r | |
1982 | Send ATA Ext command into device with NON_DATA protocol\r | |
1983 | \r | |
1984 | @param IdeDev Standard IDE device private data structure\r | |
1985 | @param AtaCommand The ATA command to be sent\r | |
1986 | @param Device The value in Device register\r | |
1987 | @param Feature The value in Feature register\r | |
1988 | @param SectorCount The value in SectorCount register\r | |
1989 | @param LbaAddress The LBA address in 48-bit mode\r | |
1990 | \r | |
1991 | @retval EFI_SUCCESS Reading succeed\r | |
1992 | @retval EFI_DEVICE_ERROR Error executing commands on this device\r | |
1993 | \r | |
1994 | **/\r | |
1995 | EFI_STATUS\r | |
1996 | AtaCommandIssue (\r | |
1997 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
1998 | IN UINT8 AtaCommand,\r | |
1999 | IN UINT8 Device,\r | |
2000 | IN UINT16 Feature,\r | |
2001 | IN UINT16 SectorCount,\r | |
2002 | IN EFI_LBA LbaAddress\r | |
2003 | )\r | |
2004 | {\r | |
2005 | EFI_STATUS Status;\r | |
2006 | UINT8 SectorCount8;\r | |
2007 | UINT8 Feature8;\r | |
2008 | UINT8 Lba0;\r | |
2009 | UINT8 Lba1;\r | |
2010 | UINT8 Lba2;\r | |
2011 | UINT8 Lba3;\r | |
2012 | \r | |
2013 | Status = WaitForBSYClear (IdeDev, ATATIMEOUT);\r | |
2014 | if (EFI_ERROR (Status)) {\r | |
2015 | return EFI_DEVICE_ERROR;\r | |
2016 | }\r | |
2017 | \r | |
2018 | //\r | |
2019 | // Select device (bit4), set LBA mode(bit6) (use 0xe0 for compatibility)\r | |
2020 | //\r | |
2021 | IDEWritePortB (\r | |
2022 | IdeDev->PciIo,\r | |
2023 | IdeDev->IoPort->Head,\r | |
2024 | (UINT8) ((IdeDev->Device << 4) | 0xe0)\r | |
2025 | );\r | |
2026 | \r | |
2027 | //\r | |
2028 | // ATA commands for ATA device must be issued when DRDY is set\r | |
2029 | //\r | |
2030 | Status = DRDYReady (IdeDev, ATATIMEOUT);\r | |
2031 | if (EFI_ERROR (Status)) {\r | |
2032 | return EFI_DEVICE_ERROR;\r | |
2033 | }\r | |
2034 | \r | |
2035 | Lba0 = (UINT8) LbaAddress;\r | |
2036 | Lba1 = (UINT8) RShiftU64 (LbaAddress, 8);\r | |
2037 | Lba2 = (UINT8) RShiftU64 (LbaAddress, 16);\r | |
2038 | Lba3 = (UINT8) RShiftU64 (LbaAddress, 24);\r | |
2039 | Device = (UINT8) (Device | Lba3);\r | |
2040 | \r | |
2041 | //\r | |
2042 | // Pass parameter into device register block\r | |
2043 | //\r | |
2044 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Head, Device);\r | |
2045 | \r | |
2046 | //\r | |
2047 | // Fill the feature register, which is a two-byte FIFO. Need write twice.\r | |
2048 | //\r | |
2049 | Feature8 = (UINT8) Feature;\r | |
2050 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg1.Feature, Feature8);\r | |
2051 | \r | |
2052 | //\r | |
2053 | // Fill the sector count register, which is a two-byte FIFO. Need write twice.\r | |
2054 | //\r | |
2055 | SectorCount8 = (UINT8) SectorCount;\r | |
2056 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorCount, SectorCount8);\r | |
2057 | \r | |
2058 | //\r | |
2059 | // Fill the start LBA registers, which are also two-byte FIFO\r | |
2060 | //\r | |
2061 | \r | |
2062 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorNumber, Lba0);\r | |
2063 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb, Lba1);\r | |
2064 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb, Lba2);\r | |
2065 | \r | |
2066 | //\r | |
2067 | // Send command via Command Register\r | |
2068 | //\r | |
2069 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg.Command, AtaCommand);\r | |
2070 | \r | |
2071 | //\r | |
2072 | // Stall at least 400ns\r | |
2073 | //\r | |
2074 | gBS->Stall (100);\r | |
2075 | \r | |
2076 | return EFI_SUCCESS;\r | |
2077 | }\r | |
2078 | \r | |
2079 | /**\r | |
2080 | This function is called by the AtaBlkIoReadBlocks() to perform\r | |
2081 | reading from media in block unit. The function has been enhanced to\r | |
2082 | support >120GB access and transfer at most 65536 blocks per command\r | |
2083 | \r | |
2084 | @param[in] *IdeDev pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
2085 | to record all the information of the IDE device.\r | |
2086 | \r | |
2087 | @param[in] *DataBuffer A pointer to the destination buffer for the data.\r | |
2088 | \r | |
2089 | @param[in] StartLba The starting logical block address to read from\r | |
2090 | on the device media.\r | |
2091 | \r | |
2092 | @param[in] NumberOfBlocks The number of transfer data blocks.\r | |
2093 | \r | |
2094 | @return The device status of UDMA operation. If the operation is\r | |
2095 | successful, return EFI_SUCCESS.\r | |
2096 | \r | |
2097 | TODO: EFI_UNSUPPORTED - add return value to function comment\r | |
2098 | TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
2099 | TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
2100 | TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
2101 | **/\r | |
2102 | EFI_STATUS\r | |
2103 | AtaUdmaReadExt (\r | |
2104 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
2105 | IN VOID *DataBuffer,\r | |
2106 | IN EFI_LBA StartLba,\r | |
2107 | IN UINTN NumberOfBlocks\r | |
2108 | )\r | |
2109 | {\r | |
2110 | return DoAtaUdma (IdeDev, DataBuffer, StartLba, NumberOfBlocks, AtaUdmaReadExtOp);\r | |
2111 | }\r | |
2112 | \r | |
2113 | /**\r | |
2114 | This function is called by the AtaBlkIoReadBlocks() to perform\r | |
2115 | reading from media in block unit. The function has been enhanced to\r | |
2116 | support >120GB access and transfer at most 65536 blocks per command\r | |
2117 | \r | |
2118 | @param[in] *IdeDev\r | |
2119 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
2120 | to record all the information of the IDE device.\r | |
2121 | \r | |
2122 | @param[in] *DataBuffer A pointer to the destination buffer for the data.\r | |
2123 | @param[in] StartLba The starting logical block address to read from\r | |
2124 | on the device media.\r | |
2125 | @param[in] NumberOfBlocks The number of transfer data blocks.\r | |
2126 | \r | |
2127 | @return The device status of UDMA operation. If the operation is\r | |
2128 | successful, return EFI_SUCCESS.\r | |
2129 | \r | |
2130 | TODO: EFI_UNSUPPORTED - add return value to function comment\r | |
2131 | TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
2132 | TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
2133 | TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
2134 | **/\r | |
2135 | EFI_STATUS\r | |
2136 | AtaUdmaRead (\r | |
2137 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
2138 | IN VOID *DataBuffer,\r | |
2139 | IN EFI_LBA StartLba,\r | |
2140 | IN UINTN NumberOfBlocks\r | |
2141 | )\r | |
2142 | {\r | |
2143 | return DoAtaUdma (IdeDev, DataBuffer, StartLba, NumberOfBlocks, AtaUdmaReadOp);\r | |
2144 | }\r | |
2145 | \r | |
2146 | /**\r | |
2147 | This function is called by the AtaBlkIoWriteBlocks() to perform\r | |
2148 | writing to media in block unit. The function has been enhanced to\r | |
2149 | support >120GB access and transfer at most 65536 blocks per command\r | |
2150 | \r | |
2151 | @param[in] *IdeDev pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
2152 | to record all the information of the IDE device.\r | |
2153 | \r | |
2154 | @param[in] *DataBuffer A pointer to the source buffer for the data.\r | |
2155 | \r | |
2156 | @param[in] StartLba The starting logical block address to write to\r | |
2157 | on the device media.\r | |
2158 | \r | |
2159 | @param[in] NumberOfBlocks The number of transfer data blocks.\r | |
2160 | \r | |
2161 | @return The device status of UDMA operation. If the operation is\r | |
2162 | successful, return EFI_SUCCESS.\r | |
2163 | \r | |
2164 | TODO: EFI_UNSUPPORTED - add return value to function comment\r | |
2165 | TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
2166 | TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
2167 | **/\r | |
2168 | EFI_STATUS\r | |
2169 | AtaUdmaWriteExt (\r | |
2170 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
2171 | IN VOID *DataBuffer,\r | |
2172 | IN EFI_LBA StartLba,\r | |
2173 | IN UINTN NumberOfBlocks\r | |
2174 | )\r | |
2175 | {\r | |
2176 | return DoAtaUdma (IdeDev, DataBuffer, StartLba, NumberOfBlocks, AtaUdmaWriteExtOp);\r | |
2177 | }\r | |
2178 | \r | |
2179 | /**\r | |
2180 | This function is called by the AtaBlkIoWriteBlocks() to perform\r | |
2181 | writing to media in block unit. The function has been enhanced to\r | |
2182 | support >120GB access and transfer at most 65536 blocks per command\r | |
2183 | \r | |
2184 | @param[in] *IdeDev\r | |
2185 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
2186 | to record all the information of the IDE device.\r | |
2187 | \r | |
2188 | @param[in] *DataBuffer\r | |
2189 | A pointer to the source buffer for the data.\r | |
2190 | \r | |
2191 | @param[in] StartLba\r | |
2192 | The starting logical block address to write to\r | |
2193 | on the device media.\r | |
2194 | \r | |
2195 | @param[in] NumberOfBlocks\r | |
2196 | The number of transfer data blocks.\r | |
2197 | \r | |
2198 | @return The device status of UDMA operation. If the operation is\r | |
2199 | successful, return EFI_SUCCESS.\r | |
2200 | \r | |
2201 | TODO: EFI_UNSUPPORTED - add return value to function comment\r | |
2202 | TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
2203 | TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
2204 | **/\r | |
2205 | EFI_STATUS\r | |
2206 | AtaUdmaWrite (\r | |
2207 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
2208 | IN VOID *DataBuffer,\r | |
2209 | IN EFI_LBA StartLba,\r | |
2210 | IN UINTN NumberOfBlocks\r | |
2211 | )\r | |
2212 | {\r | |
2213 | return DoAtaUdma (IdeDev, DataBuffer, StartLba, NumberOfBlocks, AtaUdmaWriteOp);\r | |
2214 | }\r | |
2215 | \r | |
2216 | /**\r | |
2217 | Perform an ATA Udma operation (Read, ReadExt, Write, WriteExt).\r | |
2218 | \r | |
2219 | @param[in] *IdeDev\r | |
2220 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
2221 | to record all the information of the IDE device.\r | |
2222 | \r | |
2223 | @param[in] *DataBuffer\r | |
2224 | A pointer to the source buffer for the data.\r | |
2225 | \r | |
2226 | @param[in] StartLba\r | |
2227 | The starting logical block address to write to\r | |
2228 | on the device media.\r | |
2229 | \r | |
2230 | @param[in] NumberOfBlocks\r | |
2231 | The number of transfer data blocks.\r | |
2232 | \r | |
2233 | @param[in] UdmaOp\r | |
2234 | The perform operations could be AtaUdmaReadOp, AtaUdmaReadExOp,\r | |
2235 | AtaUdmaWriteOp, AtaUdmaWriteExOp\r | |
2236 | \r | |
2237 | @return The device status of UDMA operation. If the operation is\r | |
2238 | successful, return EFI_SUCCESS.\r | |
2239 | \r | |
2240 | **/\r | |
2241 | EFI_STATUS\r | |
2242 | DoAtaUdma (\r | |
2243 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
2244 | IN VOID *DataBuffer,\r | |
2245 | IN EFI_LBA StartLba,\r | |
2246 | IN UINTN NumberOfBlocks,\r | |
2247 | IN ATA_UDMA_OPERATION UdmaOp\r | |
2248 | )\r | |
2249 | {\r | |
2250 | IDE_DMA_PRD *PrdAddr;\r | |
2251 | IDE_DMA_PRD *UsedPrdAddr;\r | |
2252 | IDE_DMA_PRD *TempPrdAddr;\r | |
2253 | UINT8 RegisterValue;\r | |
2254 | UINT8 Device;\r | |
2255 | UINT64 IoPortForBmic;\r | |
2256 | UINT64 IoPortForBmis;\r | |
2257 | UINT64 IoPortForBmid;\r | |
2258 | EFI_STATUS Status;\r | |
2259 | UINTN PrdTableNum;\r | |
2260 | UINTN ByteCount;\r | |
2261 | UINTN ByteAvailable;\r | |
2262 | UINT8 *PrdBuffer;\r | |
2263 | UINTN RemainBlockNum;\r | |
2264 | UINT8 DeviceControl;\r | |
2265 | UINT32 Count;\r | |
2266 | UINTN PageCount;\r | |
2267 | VOID *Map;\r | |
2268 | VOID *MemPage;\r | |
2269 | EFI_PHYSICAL_ADDRESS DeviceAddress;\r | |
2270 | UINTN MaxDmaCommandSectors;\r | |
2271 | EFI_PCI_IO_PROTOCOL_OPERATION PciIoProtocolOp;\r | |
2272 | UINT8 AtaCommand;\r | |
2273 | \r | |
2274 | switch (UdmaOp) {\r | |
2275 | case AtaUdmaReadOp:\r | |
2276 | MaxDmaCommandSectors = MAX_DMA_COMMAND_SECTORS;\r | |
2277 | PciIoProtocolOp = EfiPciIoOperationBusMasterWrite;\r | |
2278 | AtaCommand = READ_DMA_CMD;\r | |
2279 | break;\r | |
2280 | case AtaUdmaReadExtOp:\r | |
2281 | MaxDmaCommandSectors = MAX_DMA_EXT_COMMAND_SECTORS;\r | |
2282 | PciIoProtocolOp = EfiPciIoOperationBusMasterWrite;\r | |
2283 | AtaCommand = READ_DMA_EXT_CMD;\r | |
2284 | break;\r | |
2285 | case AtaUdmaWriteOp:\r | |
2286 | MaxDmaCommandSectors = MAX_DMA_COMMAND_SECTORS;\r | |
2287 | PciIoProtocolOp = EfiPciIoOperationBusMasterRead;\r | |
2288 | AtaCommand = WRITE_DMA_CMD;\r | |
2289 | break;\r | |
2290 | case AtaUdmaWriteExtOp:\r | |
2291 | MaxDmaCommandSectors = MAX_DMA_EXT_COMMAND_SECTORS;\r | |
2292 | PciIoProtocolOp = EfiPciIoOperationBusMasterRead;\r | |
2293 | AtaCommand = WRITE_DMA_EXT_CMD;\r | |
2294 | break;\r | |
2295 | default:\r | |
2296 | return EFI_UNSUPPORTED;\r | |
2297 | break;\r | |
2298 | }\r | |
2299 | \r | |
2300 | //\r | |
2301 | // Channel and device differential\r | |
2302 | //\r | |
2303 | Device = (UINT8) ((IdeDev->Device << 4) | 0xe0);\r | |
2304 | \r | |
2305 | //\r | |
2306 | // Enable interrupt to support UDMA and Select device\r | |
2307 | //\r | |
2308 | DeviceControl = 0;\r | |
2309 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Alt.DeviceControl, DeviceControl);\r | |
2310 | \r | |
2311 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Head, Device);\r | |
2312 | \r | |
2313 | if (IdePrimary == IdeDev->Channel) {\r | |
2314 | IoPortForBmic = IdeDev->IoPort->BusMasterBaseAddr + BMICP_OFFSET;\r | |
2315 | IoPortForBmis = IdeDev->IoPort->BusMasterBaseAddr + BMISP_OFFSET;\r | |
2316 | IoPortForBmid = IdeDev->IoPort->BusMasterBaseAddr + BMIDP_OFFSET;\r | |
2317 | } else {\r | |
2318 | if (IdeSecondary == IdeDev->Channel) {\r | |
2319 | IoPortForBmic = IdeDev->IoPort->BusMasterBaseAddr + BMICS_OFFSET;\r | |
2320 | IoPortForBmis = IdeDev->IoPort->BusMasterBaseAddr + BMISS_OFFSET;\r | |
2321 | IoPortForBmid = IdeDev->IoPort->BusMasterBaseAddr + BMIDS_OFFSET;\r | |
2322 | } else {\r | |
2323 | return EFI_UNSUPPORTED;\r | |
2324 | }\r | |
2325 | }\r | |
2326 | \r | |
2327 | RemainBlockNum = NumberOfBlocks;\r | |
2328 | while (RemainBlockNum > 0) {\r | |
2329 | \r | |
2330 | if (RemainBlockNum >= MaxDmaCommandSectors) {\r | |
2331 | //\r | |
2332 | // SectorCount is used to record the number of sectors to be read\r | |
2333 | // Max 65536 sectors can be transfered at a time.\r | |
2334 | //\r | |
2335 | NumberOfBlocks = MaxDmaCommandSectors;\r | |
2336 | RemainBlockNum -= MaxDmaCommandSectors;\r | |
2337 | } else {\r | |
2338 | NumberOfBlocks = (UINT16) RemainBlockNum;\r | |
2339 | RemainBlockNum = 0;\r | |
2340 | }\r | |
2341 | \r | |
2342 | //\r | |
2343 | // Calculate the number of PRD table to make sure the memory region\r | |
2344 | // not cross 64K boundary\r | |
2345 | //\r | |
2346 | ByteCount = NumberOfBlocks * IdeDev->BlkIo.Media->BlockSize;\r | |
2347 | PrdTableNum = ((ByteCount >> 16) + 1) + 1;\r | |
2348 | \r | |
2349 | //\r | |
2350 | // Build PRD table\r | |
2351 | //\r | |
2352 | PageCount = EFI_SIZE_TO_PAGES (2 * PrdTableNum * sizeof (IDE_DMA_PRD));\r | |
2353 | Status = IdeDev->PciIo->AllocateBuffer (\r | |
2354 | IdeDev->PciIo,\r | |
2355 | AllocateAnyPages,\r | |
2356 | EfiBootServicesData,\r | |
2357 | PageCount,\r | |
2358 | &MemPage,\r | |
2359 | 0\r | |
2360 | );\r | |
2361 | if (EFI_ERROR (Status)) {\r | |
2362 | return EFI_OUT_OF_RESOURCES;\r | |
2363 | }\r | |
2364 | ZeroMem ((VOID *) ((UINTN) MemPage), EFI_PAGES_TO_SIZE (PageCount));\r | |
2365 | \r | |
2366 | PrdAddr = (IDE_DMA_PRD *) ((UINTN) MemPage);\r | |
2367 | //\r | |
2368 | // To make sure PRD is allocated in one 64K page\r | |
2369 | //\r | |
2370 | if (((UINTN) PrdAddr & 0x0FFFF) > (((UINTN) PrdAddr + PrdTableNum * sizeof (IDE_DMA_PRD) - 1) & 0x0FFFF)) {\r | |
2371 | UsedPrdAddr = (IDE_DMA_PRD *) ((UINTN) ((UINT8 *) PrdAddr + 0x10000) & 0xFFFF0000);\r | |
2372 | } else {\r | |
2373 | if ((UINTN) PrdAddr & 0x03) {\r | |
2374 | UsedPrdAddr = (IDE_DMA_PRD *) ((UINTN) ((UINT8 *) PrdAddr + 0x04) & 0xFFFFFFFC);\r | |
2375 | } else {\r | |
2376 | UsedPrdAddr = PrdAddr;\r | |
2377 | }\r | |
2378 | }\r | |
2379 | \r | |
2380 | //\r | |
2381 | // Build the PRD table\r | |
2382 | //\r | |
2383 | Status = IdeDev->PciIo->Map (\r | |
2384 | IdeDev->PciIo,\r | |
2385 | PciIoProtocolOp,\r | |
2386 | DataBuffer,\r | |
2387 | &ByteCount,\r | |
2388 | &DeviceAddress,\r | |
2389 | &Map\r | |
2390 | );\r | |
2391 | if (EFI_ERROR (Status)) {\r | |
2392 | IdeDev->PciIo->FreeBuffer (IdeDev->PciIo, PageCount, MemPage);\r | |
2393 | return EFI_OUT_OF_RESOURCES;\r | |
2394 | }\r | |
2395 | PrdBuffer = (VOID *) ((UINTN) DeviceAddress);\r | |
2396 | TempPrdAddr = UsedPrdAddr;\r | |
2397 | while (TRUE) {\r | |
2398 | \r | |
2399 | ByteAvailable = 0x10000 - ((UINTN) PrdBuffer & 0xFFFF);\r | |
2400 | \r | |
2401 | if (ByteCount <= ByteAvailable) {\r | |
2402 | TempPrdAddr->RegionBaseAddr = (UINT32) ((UINTN) PrdBuffer);\r | |
2403 | TempPrdAddr->ByteCount = (UINT16) ByteCount;\r | |
2404 | TempPrdAddr->EndOfTable = 0x8000;\r | |
2405 | break;\r | |
2406 | }\r | |
2407 | \r | |
2408 | TempPrdAddr->RegionBaseAddr = (UINT32) ((UINTN) PrdBuffer);\r | |
2409 | TempPrdAddr->ByteCount = (UINT16) ByteAvailable;\r | |
2410 | \r | |
2411 | ByteCount -= ByteAvailable;\r | |
2412 | PrdBuffer += ByteAvailable;\r | |
2413 | TempPrdAddr++;\r | |
2414 | }\r | |
2415 | \r | |
2416 | //\r | |
2417 | // Set the base address to BMID register\r | |
2418 | //\r | |
2419 | IdeDev->PciIo->Io.Write (\r | |
2420 | IdeDev->PciIo,\r | |
2421 | EfiPciIoWidthUint32,\r | |
2422 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2423 | IoPortForBmid,\r | |
2424 | 1,\r | |
2425 | &UsedPrdAddr\r | |
2426 | );\r | |
2427 | \r | |
2428 | //\r | |
2429 | // Set BMIC register to identify the operation direction\r | |
2430 | //\r | |
2431 | IdeDev->PciIo->Io.Read (\r | |
2432 | IdeDev->PciIo,\r | |
2433 | EfiPciIoWidthUint8,\r | |
2434 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2435 | IoPortForBmic,\r | |
2436 | 1,\r | |
2437 | &RegisterValue\r | |
2438 | );\r | |
2439 | \r | |
2440 | if (UdmaOp == AtaUdmaReadExtOp || UdmaOp == AtaUdmaReadOp) {\r | |
2441 | RegisterValue |= BMIC_nREAD;\r | |
2442 | } else {\r | |
2443 | RegisterValue &= ~((UINT8) BMIC_nREAD);\r | |
2444 | }\r | |
2445 | \r | |
2446 | IdeDev->PciIo->Io.Write (\r | |
2447 | IdeDev->PciIo,\r | |
2448 | EfiPciIoWidthUint8,\r | |
2449 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2450 | IoPortForBmic,\r | |
2451 | 1,\r | |
2452 | &RegisterValue\r | |
2453 | );\r | |
2454 | \r | |
2455 | //\r | |
2456 | // Read BMIS register and clear ERROR and INTR bit\r | |
2457 | //\r | |
2458 | IdeDev->PciIo->Io.Read (\r | |
2459 | IdeDev->PciIo,\r | |
2460 | EfiPciIoWidthUint8,\r | |
2461 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2462 | IoPortForBmis,\r | |
2463 | 1,\r | |
2464 | &RegisterValue\r | |
2465 | );\r | |
2466 | \r | |
2467 | RegisterValue |= (BMIS_INTERRUPT | BMIS_ERROR);\r | |
2468 | \r | |
2469 | IdeDev->PciIo->Io.Write (\r | |
2470 | IdeDev->PciIo,\r | |
2471 | EfiPciIoWidthUint8,\r | |
2472 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2473 | IoPortForBmis,\r | |
2474 | 1,\r | |
2475 | &RegisterValue\r | |
2476 | );\r | |
2477 | \r | |
2478 | if (UdmaOp == AtaUdmaWriteExtOp || UdmaOp == AtaUdmaReadExtOp) {\r | |
2479 | Status = AtaCommandIssueExt (\r | |
2480 | IdeDev,\r | |
2481 | AtaCommand,\r | |
2482 | Device,\r | |
2483 | 0,\r | |
2484 | (UINT16) NumberOfBlocks,\r | |
2485 | StartLba\r | |
2486 | );\r | |
2487 | } else {\r | |
2488 | Status = AtaCommandIssue (\r | |
2489 | IdeDev,\r | |
2490 | AtaCommand,\r | |
2491 | Device,\r | |
2492 | 0,\r | |
2493 | (UINT16) NumberOfBlocks,\r | |
2494 | StartLba\r | |
2495 | );\r | |
2496 | }\r | |
2497 | \r | |
2498 | if (EFI_ERROR (Status)) {\r | |
2499 | IdeDev->PciIo->FreeBuffer (IdeDev->PciIo, PageCount, MemPage);\r | |
2500 | IdeDev->PciIo->Unmap (IdeDev->PciIo, Map);\r | |
2501 | return EFI_DEVICE_ERROR;\r | |
2502 | }\r | |
2503 | \r | |
2504 | //\r | |
2505 | // Set START bit of BMIC register\r | |
2506 | //\r | |
2507 | IdeDev->PciIo->Io.Read (\r | |
2508 | IdeDev->PciIo,\r | |
2509 | EfiPciIoWidthUint8,\r | |
2510 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2511 | IoPortForBmic,\r | |
2512 | 1,\r | |
2513 | &RegisterValue\r | |
2514 | );\r | |
2515 | \r | |
2516 | RegisterValue |= BMIC_START;\r | |
2517 | \r | |
2518 | IdeDev->PciIo->Io.Write (\r | |
2519 | IdeDev->PciIo,\r | |
2520 | EfiPciIoWidthUint8,\r | |
2521 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2522 | IoPortForBmic,\r | |
2523 | 1,\r | |
2524 | &RegisterValue\r | |
2525 | );\r | |
2526 | \r | |
2527 | //\r | |
2528 | // Check the INTERRUPT and ERROR bit of BMIS\r | |
2529 | // Max transfer number of sectors for one command is 65536(32Mbyte),\r | |
2530 | // it will cost 1 second to transfer these data in UDMA mode 2(33.3MBps).\r | |
2531 | // So set the variable Count to 2000, for about 2 second timeout time.\r | |
2532 | //\r | |
2533 | Count = 2000;\r | |
2534 | while (TRUE) {\r | |
2535 | \r | |
2536 | IdeDev->PciIo->Io.Read (\r | |
2537 | IdeDev->PciIo,\r | |
2538 | EfiPciIoWidthUint8,\r | |
2539 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2540 | IoPortForBmis,\r | |
2541 | 1,\r | |
2542 | &RegisterValue\r | |
2543 | );\r | |
2544 | if ((RegisterValue & (BMIS_INTERRUPT | BMIS_ERROR)) || (Count == 0)) {\r | |
2545 | if ((RegisterValue & BMIS_ERROR) || (Count == 0)) {\r | |
2546 | //\r | |
2547 | // Clear START bit of BMIC register before return EFI_DEVICE_ERROR\r | |
2548 | //\r | |
2549 | IdeDev->PciIo->Io.Read (\r | |
2550 | IdeDev->PciIo,\r | |
2551 | EfiPciIoWidthUint8,\r | |
2552 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2553 | IoPortForBmic,\r | |
2554 | 1,\r | |
2555 | &RegisterValue\r | |
2556 | );\r | |
2557 | \r | |
2558 | RegisterValue &= ~((UINT8)BMIC_START);\r | |
2559 | \r | |
2560 | IdeDev->PciIo->Io.Write (\r | |
2561 | IdeDev->PciIo,\r | |
2562 | EfiPciIoWidthUint8,\r | |
2563 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2564 | IoPortForBmic,\r | |
2565 | 1,\r | |
2566 | &RegisterValue\r | |
2567 | );\r | |
2568 | IdeDev->PciIo->FreeBuffer (IdeDev->PciIo, PageCount, MemPage);\r | |
2569 | IdeDev->PciIo->Unmap (IdeDev->PciIo, Map);\r | |
2570 | return EFI_DEVICE_ERROR;\r | |
2571 | }\r | |
2572 | break;\r | |
2573 | }\r | |
2574 | \r | |
2575 | gBS->Stall (1000);\r | |
2576 | Count --;\r | |
2577 | }\r | |
2578 | \r | |
2579 | IdeDev->PciIo->FreeBuffer (IdeDev->PciIo, PageCount, MemPage);\r | |
2580 | IdeDev->PciIo->Unmap (IdeDev->PciIo, Map);\r | |
2581 | //\r | |
2582 | // Read Status Register of IDE device to clear interrupt\r | |
2583 | //\r | |
2584 | RegisterValue = IDEReadPortB(IdeDev->PciIo,IdeDev->IoPort->Reg.Status);\r | |
2585 | //\r | |
2586 | // Clear START bit of BMIC register\r | |
2587 | //\r | |
2588 | IdeDev->PciIo->Io.Read (\r | |
2589 | IdeDev->PciIo,\r | |
2590 | EfiPciIoWidthUint8,\r | |
2591 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2592 | IoPortForBmic,\r | |
2593 | 1,\r | |
2594 | &RegisterValue\r | |
2595 | );\r | |
2596 | \r | |
2597 | RegisterValue &= ~((UINT8) BMIC_START);\r | |
2598 | \r | |
2599 | IdeDev->PciIo->Io.Write (\r | |
2600 | IdeDev->PciIo,\r | |
2601 | EfiPciIoWidthUint8,\r | |
2602 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2603 | IoPortForBmic,\r | |
2604 | 1,\r | |
2605 | &RegisterValue\r | |
2606 | );\r | |
2607 | \r | |
2608 | if (RegisterValue & BMIS_ERROR) {\r | |
2609 | return EFI_DEVICE_ERROR;\r | |
2610 | }\r | |
2611 | \r | |
2612 | DataBuffer = (UINT8 *) DataBuffer + NumberOfBlocks * IdeDev->BlkIo.Media->BlockSize;\r | |
2613 | StartLba += NumberOfBlocks;\r | |
2614 | }\r | |
2615 | \r | |
2616 | //\r | |
2617 | // Disable interrupt of Select device\r | |
2618 | //\r | |
2619 | IDEReadPortB (IdeDev->PciIo, IdeDev->IoPort->Alt.DeviceControl);\r | |
2620 | DeviceControl |= IEN_L;\r | |
2621 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Alt.DeviceControl, DeviceControl);\r | |
2622 | \r | |
2623 | return EFI_SUCCESS;\r | |
2624 | }\r |