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ed72955c | 1 | /** @file\r |
2 | Copyright (c) 2006, Intel Corporation \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 | |
878ddf1f | 23 | \r |
24 | #include "idebus.h"\r | |
25 | \r | |
26 | \r | |
27 | EFI_STATUS\r | |
28 | AtaReadSectorsExt (\r | |
29 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
30 | IN OUT VOID *DataBuffer,\r | |
31 | IN EFI_LBA StartLba,\r | |
32 | IN UINTN NumberOfBlocks\r | |
33 | );\r | |
34 | \r | |
35 | EFI_STATUS\r | |
36 | AtaWriteSectorsExt (\r | |
37 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
38 | IN VOID *DataBuffer,\r | |
39 | IN EFI_LBA StartLba,\r | |
40 | IN UINTN NumberOfBlocks\r | |
41 | );\r | |
42 | \r | |
43 | EFI_STATUS\r | |
44 | AtaPioDataInExt (\r | |
45 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
46 | IN OUT VOID *Buffer,\r | |
47 | IN UINT32 ByteCount,\r | |
48 | IN UINT8 AtaCommand,\r | |
49 | IN EFI_LBA StartLba,\r | |
50 | IN UINT16 SectorCount\r | |
51 | );\r | |
52 | \r | |
53 | EFI_STATUS\r | |
54 | AtaPioDataOutExt (\r | |
55 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
56 | IN VOID *Buffer,\r | |
57 | IN UINT32 ByteCount,\r | |
58 | IN UINT8 AtaCommand,\r | |
59 | IN EFI_LBA StartLba,\r | |
60 | IN UINT16 SectorCount\r | |
61 | );\r | |
62 | \r | |
ed72955c | 63 | /**\r |
64 | Sends out an ATA Identify Command to the specified device.\r | |
878ddf1f | 65 | \r |
ed72955c | 66 | This function is called by DiscoverIdeDevice() during its device\r |
67 | identification. It sends out the ATA Identify Command to the \r | |
68 | specified device. Only ATA device responses to this command. If \r | |
69 | the command succeeds, it returns the Identify data structure which \r | |
70 | contains information about the device. This function extracts the \r | |
71 | information it needs to fill the IDE_BLK_IO_DEV data structure, \r | |
72 | including device type, media block size, media capacity, and etc.\r | |
878ddf1f | 73 | \r |
ed72955c | 74 | @param[in] *IdeDev\r |
75 | pointer pointing to IDE_BLK_IO_DEV data structure,used\r | |
76 | to record all the information of the IDE device.\r | |
878ddf1f | 77 | \r |
ed72955c | 78 | @retval EFI_SUCCESS Identify ATA device successfully.\r |
79 | \r | |
80 | @retval EFI_DEVICE_ERROR ATA Identify Device Command failed or\r | |
81 | device is not ATA device.\r | |
878ddf1f | 82 | \r |
ed72955c | 83 | @note\r |
84 | parameter IdeDev will be updated in this function.\r | |
878ddf1f | 85 | \r |
ed72955c | 86 | **/\r |
87 | EFI_STATUS\r | |
88 | ATAIdentify (\r | |
89 | IN IDE_BLK_IO_DEV *IdeDev\r | |
90 | )\r | |
878ddf1f | 91 | {\r |
92 | EFI_STATUS Status;\r | |
93 | EFI_IDENTIFY_DATA *AtaIdentifyPointer;\r | |
94 | UINT32 Capacity;\r | |
95 | UINT8 DeviceSelect;\r | |
96 | \r | |
97 | //\r | |
98 | // AtaIdentifyPointer is used for accommodating returned IDENTIFY data of\r | |
99 | // the ATA Identify command\r | |
100 | //\r | |
101 | AtaIdentifyPointer = (EFI_IDENTIFY_DATA *) AllocateZeroPool (sizeof (EFI_IDENTIFY_DATA));\r | |
102 | \r | |
103 | //\r | |
104 | // use ATA PIO Data In protocol to send ATA Identify command\r | |
105 | // and receive data from device\r | |
106 | //\r | |
107 | DeviceSelect = 0;\r | |
108 | DeviceSelect = (UINT8) ((IdeDev->Device) << 4);\r | |
109 | Status = AtaPioDataIn (\r | |
110 | IdeDev,\r | |
111 | (VOID *) AtaIdentifyPointer,\r | |
112 | sizeof (EFI_IDENTIFY_DATA),\r | |
113 | IDENTIFY_DRIVE_CMD,\r | |
114 | DeviceSelect,\r | |
115 | 0,\r | |
116 | 0,\r | |
117 | 0,\r | |
118 | 0\r | |
119 | );\r | |
120 | //\r | |
121 | // If ATA Identify command succeeds, then according to the received\r | |
122 | // IDENTIFY data,\r | |
123 | // identify the device type ( ATA or not ).\r | |
124 | // If ATA device, fill the information in IdeDev.\r | |
125 | // If not ATA device, return IDE_DEVICE_ERROR\r | |
126 | //\r | |
127 | if (!EFI_ERROR (Status)) {\r | |
128 | \r | |
129 | IdeDev->pIdData = AtaIdentifyPointer;\r | |
130 | \r | |
131 | //\r | |
132 | // Print ATA Module Name\r | |
133 | //\r | |
134 | PrintAtaModuleName (IdeDev);\r | |
135 | \r | |
136 | //\r | |
137 | // bit 15 of pAtaIdentify->config is used to identify whether device is\r | |
138 | // ATA device or ATAPI device.\r | |
139 | // if 0, means ATA device; if 1, means ATAPI device.\r | |
140 | //\r | |
141 | if ((AtaIdentifyPointer->AtaData.config & 0x8000) == 0x00) {\r | |
142 | //\r | |
143 | // Detect if support S.M.A.R.T. If yes, enable it as default\r | |
144 | //\r | |
145 | AtaSMARTSupport (IdeDev);\r | |
146 | \r | |
147 | //\r | |
148 | // Check whether this device needs 48-bit addressing (ATAPI-6 ata device)\r | |
149 | //\r | |
150 | Status = AtaAtapi6Identify (IdeDev);\r | |
151 | if (!EFI_ERROR (Status)) {\r | |
152 | //\r | |
153 | // It's a disk with >120GB capacity, initialized in AtaAtapi6Identify()\r | |
154 | //\r | |
155 | return EFI_SUCCESS;\r | |
156 | }\r | |
157 | //\r | |
158 | // This is a hard disk <= 120GB capacity, treat it as normal hard disk\r | |
159 | //\r | |
160 | IdeDev->Type = IdeHardDisk;\r | |
161 | \r | |
162 | //\r | |
163 | // Block Media Information:\r | |
164 | // Media->LogicalPartition , Media->WriteCaching will be filled\r | |
165 | // in the DiscoverIdeDevcie() function.\r | |
166 | //\r | |
167 | IdeDev->BlkIo.Media->IoAlign = 4;\r | |
168 | IdeDev->BlkIo.Media->MediaId = 1;\r | |
169 | IdeDev->BlkIo.Media->RemovableMedia = FALSE;\r | |
170 | IdeDev->BlkIo.Media->MediaPresent = TRUE;\r | |
171 | IdeDev->BlkIo.Media->ReadOnly = FALSE;\r | |
172 | IdeDev->BlkIo.Media->BlockSize = 0x200;\r | |
173 | \r | |
174 | //\r | |
175 | // Calculate device capacity\r | |
176 | //\r | |
177 | Capacity = ((UINT32)AtaIdentifyPointer->AtaData.user_addressable_sectors_hi << 16) |\r | |
178 | AtaIdentifyPointer->AtaData.user_addressable_sectors_lo ;\r | |
179 | IdeDev->BlkIo.Media->LastBlock = Capacity - 1;\r | |
180 | \r | |
181 | return EFI_SUCCESS;\r | |
182 | \r | |
183 | }\r | |
184 | }\r | |
185 | \r | |
186 | gBS->FreePool (AtaIdentifyPointer);\r | |
187 | //\r | |
188 | // Make sure the pIdData will not be freed again.\r | |
189 | //\r | |
190 | IdeDev->pIdData = NULL;\r | |
191 | \r | |
192 | return EFI_DEVICE_ERROR;\r | |
193 | }\r | |
194 | \r | |
195 | \r | |
ed72955c | 196 | /**\r |
197 | This function is called by ATAIdentify() to identity whether this disk\r | |
198 | supports ATA/ATAPI6 48bit addressing, ie support >120G capacity\r | |
878ddf1f | 199 | \r |
ed72955c | 200 | @param[in] *IdeDev\r |
201 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
202 | to record all the information of the IDE device.\r | |
203 | \r | |
204 | @retval EFI_SUCCESS The disk specified by IdeDev is a Atapi6 supported one\r | |
205 | and 48-bit addressing must be used\r | |
878ddf1f | 206 | \r |
ed72955c | 207 | @retval EFI_UNSUPPORTED The disk dosn't not support Atapi6 or it supports but\r |
208 | the capacity is below 120G, 48bit addressing is not\r | |
209 | needed\r | |
878ddf1f | 210 | \r |
ed72955c | 211 | @note\r |
212 | This function must be called after DEVICE_IDENTITY command has been \r | |
213 | successfully returned\r | |
878ddf1f | 214 | \r |
ed72955c | 215 | **/\r |
216 | EFI_STATUS\r | |
217 | AtaAtapi6Identify (\r | |
218 | IN IDE_BLK_IO_DEV *IdeDev\r | |
219 | )\r | |
878ddf1f | 220 | {\r |
221 | UINT8 Index;\r | |
222 | EFI_LBA TmpLba;\r | |
223 | EFI_LBA Capacity;\r | |
224 | EFI_IDENTIFY_DATA *Atapi6IdentifyStruct;\r | |
225 | \r | |
226 | if (IdeDev->pIdData == NULL) {\r | |
227 | return EFI_UNSUPPORTED;\r | |
228 | }\r | |
229 | \r | |
230 | Atapi6IdentifyStruct = IdeDev->pIdData;\r | |
231 | \r | |
232 | if ((Atapi6IdentifyStruct->AtapiData.cmd_set_support_83 & bit10) == 0) {\r | |
233 | //\r | |
234 | // The device dosn't support 48 bit addressing\r | |
235 | //\r | |
236 | return EFI_UNSUPPORTED;\r | |
237 | }\r | |
238 | \r | |
239 | //\r | |
240 | // 48 bit address feature set is supported, get maximum capacity\r | |
241 | //\r | |
242 | Capacity = Atapi6IdentifyStruct->AtapiData.max_user_lba_for_48bit_addr[0];\r | |
243 | for (Index = 1; Index < 4; Index++) {\r | |
244 | //\r | |
245 | // Lower byte goes first: word[100] is the lowest word, word[103] is highest\r | |
246 | //\r | |
247 | TmpLba = Atapi6IdentifyStruct->AtapiData.max_user_lba_for_48bit_addr[Index];\r | |
248 | Capacity |= LShiftU64 (TmpLba, 16 * Index);\r | |
249 | }\r | |
250 | \r | |
251 | if (Capacity > MAX_28BIT_ADDRESSING_CAPACITY) {\r | |
252 | //\r | |
253 | // Capacity exceeds 120GB. 48-bit addressing is really needed\r | |
254 | //\r | |
255 | IdeDev->Type = Ide48bitAddressingHardDisk;\r | |
256 | \r | |
257 | //\r | |
258 | // Fill block media information:Media->LogicalPartition ,\r | |
259 | // Media->WriteCaching will be filledin the DiscoverIdeDevcie() function.\r | |
260 | //\r | |
261 | IdeDev->BlkIo.Media->IoAlign = 4;\r | |
262 | IdeDev->BlkIo.Media->MediaId = 1;\r | |
263 | IdeDev->BlkIo.Media->RemovableMedia = FALSE;\r | |
264 | IdeDev->BlkIo.Media->MediaPresent = TRUE;\r | |
265 | IdeDev->BlkIo.Media->ReadOnly = FALSE;\r | |
266 | IdeDev->BlkIo.Media->BlockSize = 0x200;\r | |
267 | IdeDev->BlkIo.Media->LastBlock = Capacity - 1;\r | |
268 | \r | |
269 | return EFI_SUCCESS;\r | |
270 | }\r | |
271 | \r | |
272 | return EFI_UNSUPPORTED;\r | |
273 | }\r | |
274 | \r | |
ed72955c | 275 | /**\r |
276 | This function is called by ATAIdentify() or ATAPIIdentify()\r | |
277 | to print device's module name. \r | |
278 | \r | |
279 | @param[in] *IdeDev\r | |
280 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
281 | to record all the information of the IDE device.\r | |
282 | \r | |
283 | **/\r | |
878ddf1f | 284 | VOID\r |
285 | PrintAtaModuleName (\r | |
286 | IN IDE_BLK_IO_DEV *IdeDev\r | |
287 | )\r | |
878ddf1f | 288 | {\r |
289 | if (IdeDev->pIdData == NULL) {\r | |
290 | return ;\r | |
291 | }\r | |
292 | \r | |
293 | SwapStringChars (IdeDev->ModelName, IdeDev->pIdData->AtaData.ModelName, 40);\r | |
294 | IdeDev->ModelName[40] = 0x00;\r | |
295 | }\r | |
296 | \r | |
ed72955c | 297 | /**\r |
298 | This function is used to send out ATA commands conforms to the \r | |
299 | PIO Data In Protocol.\r | |
300 | \r | |
301 | @param[in] *IdeDev\r | |
302 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
303 | to record all the information of the IDE device.\r | |
304 | \r | |
305 | @param[in] *Buffer\r | |
306 | buffer contained data transferred from device to host.\r | |
307 | \r | |
308 | @param[in] ByteCount\r | |
309 | data size in byte unit of the buffer.\r | |
310 | \r | |
311 | @param[in] AtaCommand\r | |
312 | value of the Command Register\r | |
313 | \r | |
314 | @param[in] Head\r | |
315 | value of the Head/Device Register\r | |
316 | \r | |
317 | @param[in] SectorCount\r | |
318 | value of the Sector Count Register\r | |
319 | \r | |
320 | @param[in] SectorNumber\r | |
321 | value of the Sector Number Register\r | |
322 | \r | |
323 | @param[in] CylinderLsb\r | |
324 | value of the low byte of the Cylinder Register\r | |
325 | \r | |
326 | @param[in] CylinderMsb\r | |
327 | value of the high byte of the Cylinder Register\r | |
328 | \r | |
329 | @retval EFI_SUCCESS send out the ATA command and device send required\r | |
330 | data successfully.\r | |
331 | \r | |
332 | @retval EFI_DEVICE_ERROR command sent failed.\r | |
333 | \r | |
334 | **/\r | |
878ddf1f | 335 | EFI_STATUS\r |
336 | AtaPioDataIn (\r | |
337 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
338 | IN VOID *Buffer,\r | |
339 | IN UINT32 ByteCount,\r | |
340 | IN UINT8 AtaCommand,\r | |
341 | IN UINT8 Head,\r | |
342 | IN UINT8 SectorCount,\r | |
343 | IN UINT8 SectorNumber,\r | |
344 | IN UINT8 CylinderLsb,\r | |
345 | IN UINT8 CylinderMsb\r | |
346 | )\r | |
878ddf1f | 347 | {\r |
348 | UINTN WordCount;\r | |
349 | UINTN Increment;\r | |
350 | UINT16 *Buffer16;\r | |
351 | EFI_STATUS Status;\r | |
352 | \r | |
353 | Status = WaitForBSYClear (IdeDev, ATATIMEOUT);\r | |
354 | if (EFI_ERROR (Status)) {\r | |
355 | return EFI_DEVICE_ERROR;\r | |
356 | }\r | |
357 | \r | |
358 | //\r | |
359 | // e0:1110,0000-- bit7 and bit5 are reserved bits.\r | |
360 | // bit6 set means LBA mode\r | |
361 | //\r | |
362 | IDEWritePortB (\r | |
363 | IdeDev->PciIo,\r | |
364 | IdeDev->IoPort->Head,\r | |
365 | (UINT8) ((IdeDev->Device << 4) | 0xe0 | Head)\r | |
366 | );\r | |
367 | \r | |
368 | //\r | |
369 | // All ATAPI device's ATA commands can be issued regardless of the\r | |
370 | // state of the DRDY\r | |
371 | //\r | |
372 | if (IdeDev->Type == IdeHardDisk) {\r | |
373 | \r | |
374 | Status = DRDYReady (IdeDev, ATATIMEOUT);\r | |
375 | if (EFI_ERROR (Status)) {\r | |
376 | return EFI_DEVICE_ERROR;\r | |
377 | }\r | |
378 | }\r | |
379 | //\r | |
380 | // set all the command parameters\r | |
381 | // Before write to all the following registers, BSY and DRQ must be 0.\r | |
382 | //\r | |
383 | Status = DRQClear2 (IdeDev, ATATIMEOUT);\r | |
384 | if (EFI_ERROR (Status)) {\r | |
385 | return EFI_DEVICE_ERROR;\r | |
386 | }\r | |
387 | \r | |
388 | if (AtaCommand == SET_FEATURES_CMD) {\r | |
389 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg1.Feature, 0x03);\r | |
390 | }\r | |
391 | \r | |
392 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorCount, SectorCount);\r | |
393 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorNumber, SectorNumber);\r | |
394 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb, CylinderLsb);\r | |
395 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb, CylinderMsb);\r | |
396 | \r | |
397 | //\r | |
398 | // send command via Command Register\r | |
399 | //\r | |
400 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg.Command, AtaCommand);\r | |
401 | \r | |
402 | Buffer16 = (UINT16 *) Buffer;\r | |
403 | \r | |
404 | //\r | |
405 | // According to PIO data in protocol, host can perform a series of reads to\r | |
406 | // the data register after each time device set DRQ ready;\r | |
407 | // The data size of "a series of read" is command specific.\r | |
408 | // For most ATA command, data size received from device will not exceed\r | |
409 | // 1 sector, hence the data size for "a series of read" can be the whole data\r | |
410 | // size of one command request.\r | |
411 | // For ATA command such as Read Sector command, the data size of one ATA\r | |
412 | // command request is often larger than 1 sector, according to the\r | |
413 | // Read Sector command, the data size of "a series of read" is exactly 1\r | |
414 | // sector.\r | |
415 | // Here for simplification reason, we specify the data size for\r | |
416 | // "a series of read" to 1 sector (256 words) if data size of one ATA command\r | |
417 | // request is larger than 256 words.\r | |
418 | //\r | |
419 | Increment = 256;\r | |
420 | \r | |
421 | //\r | |
422 | // used to record bytes of currently transfered data\r | |
423 | //\r | |
424 | WordCount = 0;\r | |
425 | \r | |
426 | while (WordCount < ByteCount / 2) {\r | |
427 | //\r | |
428 | // Poll DRQ bit set, data transfer can be performed only when DRQ is ready.\r | |
429 | //\r | |
430 | Status = DRQReady2 (IdeDev, ATATIMEOUT);\r | |
431 | if (EFI_ERROR (Status)) {\r | |
432 | return EFI_DEVICE_ERROR;\r | |
433 | }\r | |
434 | \r | |
435 | Status = CheckErrorStatus (IdeDev);\r | |
436 | if (EFI_ERROR (Status)) {\r | |
437 | return EFI_DEVICE_ERROR;\r | |
438 | }\r | |
439 | \r | |
440 | //\r | |
441 | // Get the byte count for one series of read\r | |
442 | //\r | |
443 | if ((WordCount + Increment) > ByteCount / 2) {\r | |
444 | Increment = ByteCount / 2 - WordCount;\r | |
445 | }\r | |
446 | \r | |
447 | IDEReadPortWMultiple (\r | |
448 | IdeDev->PciIo,\r | |
449 | IdeDev->IoPort->Data,\r | |
450 | Increment,\r | |
451 | Buffer16\r | |
452 | );\r | |
453 | \r | |
454 | WordCount += Increment;\r | |
455 | Buffer16 += Increment;\r | |
456 | \r | |
457 | }\r | |
458 | \r | |
459 | DRQClear (IdeDev, ATATIMEOUT);\r | |
460 | \r | |
461 | return CheckErrorStatus (IdeDev);\r | |
462 | }\r | |
463 | \r | |
ed72955c | 464 | /**\r |
465 | This function is used to send out ATA commands conforms to the \r | |
466 | PIO Data Out Protocol.\r | |
467 | \r | |
468 | @param *IdeDev\r | |
469 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
470 | to record all the information of the IDE device.\r | |
471 | \r | |
472 | @param *Buffer buffer contained data transferred from host to device.\r | |
473 | @param ByteCount data size in byte unit of the buffer.\r | |
474 | @param AtaCommand value of the Command Register\r | |
475 | @param Head value of the Head/Device Register\r | |
476 | @param SectorCount value of the Sector Count Register\r | |
477 | @param SectorNumber value of the Sector Number Register\r | |
478 | @param CylinderLsb value of the low byte of the Cylinder Register\r | |
479 | @param CylinderMsb value of the high byte of the Cylinder Register\r | |
480 | \r | |
481 | @retval EFI_SUCCESS send out the ATA command and device received required\r | |
482 | data successfully.\r | |
483 | \r | |
484 | @retval EFI_DEVICE_ERROR command sent failed.\r | |
485 | \r | |
486 | **/\r | |
878ddf1f | 487 | EFI_STATUS\r |
488 | AtaPioDataOut (\r | |
489 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
490 | IN VOID *Buffer,\r | |
491 | IN UINT32 ByteCount,\r | |
492 | IN UINT8 AtaCommand,\r | |
493 | IN UINT8 Head,\r | |
494 | IN UINT8 SectorCount,\r | |
495 | IN UINT8 SectorNumber,\r | |
496 | IN UINT8 CylinderLsb,\r | |
497 | IN UINT8 CylinderMsb\r | |
498 | )\r | |
878ddf1f | 499 | {\r |
500 | UINTN WordCount;\r | |
501 | UINTN Increment;\r | |
502 | UINT16 *Buffer16;\r | |
503 | EFI_STATUS Status;\r | |
504 | \r | |
505 | Status = WaitForBSYClear (IdeDev, ATATIMEOUT);\r | |
506 | if (EFI_ERROR (Status)) {\r | |
507 | return EFI_DEVICE_ERROR;\r | |
508 | }\r | |
509 | \r | |
510 | //\r | |
511 | // select device via Head/Device register.\r | |
512 | // Before write Head/Device register, BSY and DRQ must be 0.\r | |
513 | //\r | |
514 | Status = DRQClear2 (IdeDev, ATATIMEOUT);\r | |
515 | if (EFI_ERROR (Status)) {\r | |
516 | return EFI_DEVICE_ERROR;\r | |
517 | }\r | |
518 | \r | |
519 | //\r | |
520 | // e0:1110,0000-- bit7 and bit5 are reserved bits.\r | |
521 | // bit6 set means LBA mode\r | |
522 | //\r | |
523 | IDEWritePortB (\r | |
524 | IdeDev->PciIo,\r | |
525 | IdeDev->IoPort->Head,\r | |
526 | (UINT8) ((IdeDev->Device << 4) | 0xe0 | Head)\r | |
527 | );\r | |
528 | \r | |
529 | Status = DRDYReady (IdeDev, ATATIMEOUT);\r | |
530 | if (EFI_ERROR (Status)) {\r | |
531 | return EFI_DEVICE_ERROR;\r | |
532 | }\r | |
533 | \r | |
534 | //\r | |
535 | // set all the command parameters\r | |
536 | // Before write to all the following registers, BSY and DRQ must be 0.\r | |
537 | //\r | |
538 | Status = DRQClear2 (IdeDev, ATATIMEOUT);\r | |
539 | if (EFI_ERROR (Status)) {\r | |
540 | return EFI_DEVICE_ERROR;\r | |
541 | }\r | |
542 | \r | |
543 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorCount, SectorCount);\r | |
544 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorNumber, SectorNumber);\r | |
545 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb, CylinderLsb);\r | |
546 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb, CylinderMsb);\r | |
547 | \r | |
548 | //\r | |
549 | // send command via Command Register\r | |
550 | //\r | |
551 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg.Command, AtaCommand);\r | |
552 | \r | |
553 | Buffer16 = (UINT16 *) Buffer;\r | |
554 | \r | |
555 | //\r | |
556 | // According to PIO data out protocol, host can perform a series of\r | |
557 | // writes to the data register after each time device set DRQ ready;\r | |
558 | // The data size of "a series of read" is command specific.\r | |
559 | // For most ATA command, data size written to device will not exceed 1 sector,\r | |
560 | // hence the data size for "a series of write" can be the data size of one\r | |
561 | // command request.\r | |
562 | // For ATA command such as Write Sector command, the data size of one\r | |
563 | // ATA command request is often larger than 1 sector, according to the\r | |
564 | // Write Sector command, the data size of "a series of read" is exactly\r | |
565 | // 1 sector.\r | |
566 | // Here for simplification reason, we specify the data size for\r | |
567 | // "a series of write" to 1 sector (256 words) if data size of one ATA command\r | |
568 | // request is larger than 256 words.\r | |
569 | //\r | |
570 | Increment = 256;\r | |
571 | WordCount = 0;\r | |
572 | \r | |
573 | while (WordCount < ByteCount / 2) {\r | |
574 | \r | |
575 | //\r | |
576 | // DRQReady2-- read Alternate Status Register to determine the DRQ bit\r | |
577 | // data transfer can be performed only when DRQ is ready.\r | |
578 | //\r | |
579 | Status = DRQReady2 (IdeDev, ATATIMEOUT);\r | |
580 | if (EFI_ERROR (Status)) {\r | |
581 | return EFI_DEVICE_ERROR;\r | |
582 | }\r | |
583 | \r | |
584 | Status = CheckErrorStatus (IdeDev);\r | |
585 | if (EFI_ERROR (Status)) {\r | |
586 | return EFI_DEVICE_ERROR;\r | |
587 | }\r | |
588 | \r | |
589 | //\r | |
590 | // Check the remaining byte count is less than 512 bytes\r | |
591 | //\r | |
592 | if ((WordCount + Increment) > ByteCount / 2) {\r | |
593 | Increment = ByteCount / 2 - WordCount;\r | |
594 | }\r | |
595 | //\r | |
596 | // perform a series of write without check DRQ ready\r | |
597 | //\r | |
598 | \r | |
599 | IDEWritePortWMultiple (\r | |
600 | IdeDev->PciIo,\r | |
601 | IdeDev->IoPort->Data,\r | |
602 | Increment,\r | |
603 | Buffer16\r | |
604 | );\r | |
605 | WordCount += Increment;\r | |
606 | Buffer16 += Increment;\r | |
607 | \r | |
608 | }\r | |
609 | \r | |
610 | DRQClear (IdeDev, ATATIMEOUT);\r | |
611 | \r | |
612 | return CheckErrorStatus (IdeDev);\r | |
613 | }\r | |
614 | \r | |
ed72955c | 615 | /**\r |
616 | This function is used to analyze the Status Register and print out \r | |
617 | some debug information and if there is ERR bit set in the Status\r | |
618 | Register, the Error Register's value is also be parsed and print out.\r | |
619 | \r | |
620 | @param[in] *IdeDev\r | |
621 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
622 | to record all the information of the IDE device.\r | |
623 | \r | |
624 | @retval EFI_SUCCESS No err information in the Status Register.\r | |
625 | @retval EFI_DEVICE_ERROR Any err information in the Status Register.\r | |
626 | \r | |
627 | **/\r | |
878ddf1f | 628 | EFI_STATUS\r |
629 | CheckErrorStatus (\r | |
630 | IN IDE_BLK_IO_DEV *IdeDev\r | |
631 | )\r | |
878ddf1f | 632 | {\r |
633 | UINT8 StatusRegister;\r | |
634 | \r | |
635 | //#ifdef EFI_DEBUG\r | |
636 | \r | |
637 | UINT8 ErrorRegister;\r | |
638 | \r | |
639 | //#endif\r | |
640 | \r | |
641 | StatusRegister = IDEReadPortB (IdeDev->PciIo, IdeDev->IoPort->Reg.Status);\r | |
642 | \r | |
643 | DEBUG_CODE (\r | |
644 | \r | |
645 | if (StatusRegister & DWF) {\r | |
646 | DEBUG (\r | |
647 | (EFI_D_BLKIO,\r | |
648 | "CheckErrorStatus()-- %02x : Error : Write Fault\n",\r | |
649 | StatusRegister)\r | |
650 | );\r | |
651 | }\r | |
652 | \r | |
653 | if (StatusRegister & CORR) {\r | |
654 | DEBUG (\r | |
655 | (EFI_D_BLKIO,\r | |
656 | "CheckErrorStatus()-- %02x : Error : Corrected Data\n",\r | |
657 | StatusRegister)\r | |
658 | );\r | |
659 | }\r | |
660 | \r | |
661 | if (StatusRegister & ERR) {\r | |
662 | ErrorRegister = IDEReadPortB (IdeDev->PciIo, IdeDev->IoPort->Reg1.Error);\r | |
663 | \r | |
664 | if (ErrorRegister & BBK_ERR) {\r | |
665 | DEBUG (\r | |
666 | (EFI_D_BLKIO,\r | |
667 | "CheckErrorStatus()-- %02x : Error : Bad Block Detected\n",\r | |
668 | ErrorRegister)\r | |
669 | );\r | |
670 | }\r | |
671 | \r | |
672 | if (ErrorRegister & UNC_ERR) {\r | |
673 | DEBUG (\r | |
674 | (EFI_D_BLKIO,\r | |
675 | "CheckErrorStatus()-- %02x : Error : Uncorrectable Data\n",\r | |
676 | ErrorRegister)\r | |
677 | );\r | |
678 | }\r | |
679 | \r | |
680 | if (ErrorRegister & MC_ERR) {\r | |
681 | DEBUG (\r | |
682 | (EFI_D_BLKIO,\r | |
683 | "CheckErrorStatus()-- %02x : Error : Media Change\n",\r | |
684 | ErrorRegister)\r | |
685 | );\r | |
686 | }\r | |
687 | \r | |
688 | if (ErrorRegister & ABRT_ERR) {\r | |
689 | DEBUG (\r | |
690 | (EFI_D_BLKIO,\r | |
691 | "CheckErrorStatus()-- %02x : Error : Abort\n",\r | |
692 | ErrorRegister)\r | |
693 | );\r | |
694 | }\r | |
695 | \r | |
696 | if (ErrorRegister & TK0NF_ERR) {\r | |
697 | DEBUG (\r | |
698 | (EFI_D_BLKIO,\r | |
699 | "CheckErrorStatus()-- %02x : Error : Track 0 Not Found\n",\r | |
700 | ErrorRegister)\r | |
701 | );\r | |
702 | }\r | |
703 | \r | |
704 | if (ErrorRegister & AMNF_ERR) {\r | |
705 | DEBUG (\r | |
706 | (EFI_D_BLKIO,\r | |
707 | "CheckErrorStatus()-- %02x : Error : Address Mark Not Found\n",\r | |
708 | ErrorRegister)\r | |
709 | );\r | |
710 | }\r | |
711 | \r | |
712 | }\r | |
713 | );\r | |
714 | \r | |
715 | if ((StatusRegister & (ERR | DWF | CORR)) == 0) {\r | |
716 | return EFI_SUCCESS;\r | |
717 | }\r | |
718 | \r | |
719 | return EFI_DEVICE_ERROR;\r | |
720 | \r | |
721 | }\r | |
722 | \r | |
ed72955c | 723 | /**\r |
724 | This function is called by the AtaBlkIoReadBlocks() to perform\r | |
725 | reading from media in block unit.\r | |
726 | \r | |
727 | @param[in] *IdeDev\r | |
728 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
729 | to record all the information of the IDE device.\r | |
730 | \r | |
731 | @param[in] *DataBuffer\r | |
732 | A pointer to the destination buffer for the data. \r | |
733 | \r | |
734 | @param[in] Lba\r | |
735 | The starting logical block address to read from \r | |
736 | on the device media.\r | |
737 | \r | |
738 | @param[in] NumberOfBlocks\r | |
739 | The number of transfer data blocks.\r | |
740 | \r | |
741 | @return return status is fully dependent on the return status\r | |
742 | of AtaPioDataIn() function.\r | |
743 | \r | |
744 | **/\r | |
878ddf1f | 745 | EFI_STATUS\r |
746 | AtaReadSectors (\r | |
747 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
748 | IN VOID *DataBuffer,\r | |
749 | IN EFI_LBA Lba,\r | |
750 | IN UINTN NumberOfBlocks\r | |
751 | )\r | |
878ddf1f | 752 | {\r |
753 | EFI_STATUS Status;\r | |
754 | UINTN BlocksRemaining;\r | |
755 | UINT32 Lba32;\r | |
756 | UINT8 Lba0;\r | |
757 | UINT8 Lba1;\r | |
758 | UINT8 Lba2;\r | |
759 | UINT8 Lba3;\r | |
760 | UINT8 AtaCommand;\r | |
761 | UINT8 SectorCount8;\r | |
762 | UINT16 SectorCount;\r | |
763 | UINTN ByteCount;\r | |
764 | VOID *Buffer;\r | |
765 | \r | |
766 | Buffer = DataBuffer;\r | |
767 | \r | |
768 | //\r | |
769 | // Using ATA Read Sector(s) command (opcode=0x20) with PIO DATA IN protocol\r | |
770 | //\r | |
771 | AtaCommand = READ_SECTORS_CMD;\r | |
772 | \r | |
773 | \r | |
774 | BlocksRemaining = NumberOfBlocks;\r | |
775 | \r | |
776 | Lba32 = (UINT32) Lba;\r | |
777 | \r | |
778 | Status = EFI_SUCCESS;\r | |
779 | \r | |
780 | while (BlocksRemaining > 0) {\r | |
781 | \r | |
782 | //\r | |
783 | // in ATA-3 spec, LBA is in 28 bit width\r | |
784 | //\r | |
785 | Lba0 = (UINT8) Lba32;\r | |
786 | Lba1 = (UINT8) (Lba32 >> 8);\r | |
787 | Lba2 = (UINT8) (Lba32 >> 16);\r | |
788 | //\r | |
789 | // low 4 bit of Lba3 stands for LBA bit24~bit27.\r | |
790 | //\r | |
791 | Lba3 = (UINT8) ((Lba32 >> 24) & 0x0f);\r | |
792 | \r | |
793 | if (BlocksRemaining >= 0x100) {\r | |
794 | \r | |
795 | //\r | |
796 | // SectorCount8 is sent to Sector Count register, 0x00 means 256\r | |
797 | // sectors to be read\r | |
798 | //\r | |
799 | SectorCount8 = 0x00;\r | |
800 | //\r | |
801 | // SectorCount is used to record the number of sectors to be read\r | |
802 | //\r | |
803 | SectorCount = 256;\r | |
804 | } else {\r | |
805 | \r | |
806 | SectorCount8 = (UINT8) BlocksRemaining;\r | |
807 | SectorCount = (UINT16) BlocksRemaining;\r | |
808 | }\r | |
809 | \r | |
810 | //\r | |
811 | // ByteCount is the number of bytes that will be read\r | |
812 | //\r | |
813 | ByteCount = SectorCount * (IdeDev->BlkIo.Media->BlockSize);\r | |
814 | \r | |
815 | //\r | |
816 | // call AtaPioDataIn() to send Read Sector Command and receive data read\r | |
817 | //\r | |
818 | Status = AtaPioDataIn (\r | |
819 | IdeDev,\r | |
820 | Buffer,\r | |
821 | (UINT32) ByteCount,\r | |
822 | AtaCommand,\r | |
823 | Lba3,\r | |
824 | SectorCount8,\r | |
825 | Lba0,\r | |
826 | Lba1,\r | |
827 | Lba2\r | |
828 | );\r | |
829 | if (EFI_ERROR (Status)) {\r | |
830 | return Status;\r | |
831 | }\r | |
832 | \r | |
833 | Lba32 += SectorCount;\r | |
834 | Buffer = ((UINT8 *) Buffer + ByteCount);\r | |
835 | BlocksRemaining -= SectorCount;\r | |
836 | }\r | |
837 | \r | |
838 | return Status;\r | |
839 | }\r | |
840 | \r | |
ed72955c | 841 | /**\r |
842 | This function is called by the AtaBlkIoWriteBlocks() to perform\r | |
843 | writing onto media in block unit.\r | |
844 | \r | |
845 | @param[in] *IdeDev\r | |
846 | pointer pointing to IDE_BLK_IO_DEV data structure,used\r | |
847 | to record all the information of the IDE device.\r | |
848 | \r | |
849 | @param[in] *BufferData\r | |
850 | A pointer to the source buffer for the data. \r | |
851 | \r | |
852 | @param[in] Lba\r | |
853 | The starting logical block address to write onto \r | |
854 | the device media.\r | |
855 | \r | |
856 | @param[in] NumberOfBlocks\r | |
857 | The number of transfer data blocks.\r | |
858 | \r | |
859 | @return return status is fully dependent on the return status\r | |
860 | of AtaPioDataOut() function.\r | |
861 | \r | |
862 | **/\r | |
878ddf1f | 863 | EFI_STATUS\r |
864 | AtaWriteSectors (\r | |
865 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
866 | IN VOID *BufferData,\r | |
867 | IN EFI_LBA Lba,\r | |
868 | IN UINTN NumberOfBlocks\r | |
869 | )\r | |
878ddf1f | 870 | {\r |
871 | EFI_STATUS Status;\r | |
872 | UINTN BlocksRemaining;\r | |
873 | UINT32 Lba32;\r | |
874 | UINT8 Lba0;\r | |
875 | UINT8 Lba1;\r | |
876 | UINT8 Lba2;\r | |
877 | UINT8 Lba3;\r | |
878 | UINT8 AtaCommand;\r | |
879 | UINT8 SectorCount8;\r | |
880 | UINT16 SectorCount;\r | |
881 | UINTN ByteCount;\r | |
882 | VOID *Buffer;\r | |
883 | \r | |
884 | Buffer = BufferData;\r | |
885 | \r | |
886 | //\r | |
887 | // Using Write Sector(s) command (opcode=0x30) with PIO DATA OUT protocol\r | |
888 | //\r | |
889 | AtaCommand = WRITE_SECTORS_CMD;\r | |
890 | \r | |
891 | BlocksRemaining = NumberOfBlocks;\r | |
892 | \r | |
893 | Lba32 = (UINT32) Lba;\r | |
894 | \r | |
895 | Status = EFI_SUCCESS;\r | |
896 | \r | |
897 | while (BlocksRemaining > 0) {\r | |
898 | \r | |
899 | Lba0 = (UINT8) Lba32;\r | |
900 | Lba1 = (UINT8) (Lba32 >> 8);\r | |
901 | Lba2 = (UINT8) (Lba32 >> 16);\r | |
902 | Lba3 = (UINT8) ((Lba32 >> 24) & 0x0f);\r | |
903 | \r | |
904 | if (BlocksRemaining >= 0x100) {\r | |
905 | \r | |
906 | //\r | |
907 | // SectorCount8 is sent to Sector Count register, 0x00 means 256 sectors\r | |
908 | // to be written\r | |
909 | //\r | |
910 | SectorCount8 = 0x00;\r | |
911 | //\r | |
912 | // SectorCount is used to record the number of sectors to be written\r | |
913 | //\r | |
914 | SectorCount = 256;\r | |
915 | } else {\r | |
916 | \r | |
917 | SectorCount8 = (UINT8) BlocksRemaining;\r | |
918 | SectorCount = (UINT16) BlocksRemaining;\r | |
919 | }\r | |
920 | \r | |
921 | ByteCount = SectorCount * (IdeDev->BlkIo.Media->BlockSize);\r | |
922 | \r | |
923 | Status = AtaPioDataOut (\r | |
924 | IdeDev,\r | |
925 | Buffer,\r | |
926 | (UINT32) ByteCount,\r | |
927 | AtaCommand,\r | |
928 | Lba3,\r | |
929 | SectorCount8,\r | |
930 | Lba0,\r | |
931 | Lba1,\r | |
932 | Lba2\r | |
933 | );\r | |
934 | if (EFI_ERROR (Status)) {\r | |
935 | return Status;\r | |
936 | }\r | |
937 | \r | |
938 | Lba32 += SectorCount;\r | |
939 | Buffer = ((UINT8 *) Buffer + ByteCount);\r | |
940 | BlocksRemaining -= SectorCount;\r | |
941 | }\r | |
942 | \r | |
943 | return Status;\r | |
944 | }\r | |
945 | \r | |
ed72955c | 946 | /**\r |
947 | This function is used to implement the Soft Reset on the specified\r | |
948 | device. But, the ATA Soft Reset mechanism is so strong a reset method \r | |
949 | that it will force resetting on both devices connected to the \r | |
950 | same cable.\r | |
951 | \r | |
952 | It is called by IdeBlkIoReset(), a interface function of Block\r | |
953 | I/O protocol.\r | |
954 | \r | |
955 | This function can also be used by the ATAPI device to perform reset when\r | |
956 | ATAPI Reset command is failed.\r | |
957 | \r | |
958 | @param[in] *IdeDev\r | |
959 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
960 | to record all the information of the IDE device.\r | |
961 | \r | |
962 | @retval EFI_SUCCESS Soft reset completes successfully.\r | |
963 | @retval EFI_DEVICE_ERROR Any step during the reset process is failed.\r | |
964 | \r | |
965 | @note\r | |
966 | The registers initial values after ATA soft reset are different\r | |
967 | to the ATA device and ATAPI device.\r | |
968 | \r | |
969 | **/\r | |
878ddf1f | 970 | EFI_STATUS\r |
971 | AtaSoftReset (\r | |
972 | IN IDE_BLK_IO_DEV *IdeDev\r | |
973 | )\r | |
878ddf1f | 974 | {\r |
975 | \r | |
976 | UINT8 DeviceControl;\r | |
977 | \r | |
978 | DeviceControl = 0;\r | |
979 | //\r | |
980 | // set SRST bit to initiate soft reset\r | |
981 | //\r | |
982 | DeviceControl |= SRST;\r | |
983 | \r | |
984 | //\r | |
985 | // disable Interrupt\r | |
986 | //\r | |
987 | DeviceControl |= bit1;\r | |
988 | \r | |
989 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Alt.DeviceControl, DeviceControl);\r | |
990 | \r | |
991 | gBS->Stall (10);\r | |
992 | \r | |
993 | //\r | |
994 | // Enable interrupt to support UDMA, and clear SRST bit\r | |
995 | //\r | |
996 | DeviceControl = 0;\r | |
997 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Alt.DeviceControl, DeviceControl);\r | |
998 | \r | |
999 | //\r | |
1000 | // slave device needs at most 31s to clear BSY\r | |
1001 | //\r | |
1002 | if (WaitForBSYClear (IdeDev, 31000) == EFI_TIMEOUT) {\r | |
1003 | return EFI_DEVICE_ERROR;\r | |
1004 | }\r | |
1005 | \r | |
1006 | return EFI_SUCCESS;\r | |
1007 | }\r | |
1008 | \r | |
ed72955c | 1009 | /**\r |
1010 | This function is the ATA implementation for ReadBlocks in the\r | |
1011 | Block I/O Protocol interface.\r | |
878ddf1f | 1012 | \r |
ed72955c | 1013 | @param[in] *IdeBlkIoDevice\r |
1014 | Indicates the calling context.\r | |
878ddf1f | 1015 | \r |
ed72955c | 1016 | @param[in] MediaId\r |
1017 | The media id that the read request is for.\r | |
878ddf1f | 1018 | \r |
ed72955c | 1019 | @param[in] LBA\r |
1020 | The starting logical block address to read from \r | |
1021 | on the device.\r | |
878ddf1f | 1022 | \r |
ed72955c | 1023 | @param[in] BufferSize\r |
1024 | The size of the Buffer in bytes. This must be a\r | |
1025 | multiple of the intrinsic block size of the device.\r | |
878ddf1f | 1026 | \r |
ed72955c | 1027 | @param[out] *Buffer\r |
1028 | A pointer to the destination buffer for the data. \r | |
1029 | The caller is responsible for either having implicit\r | |
1030 | or explicit ownership of the memory that data is read into.\r | |
878ddf1f | 1031 | \r |
ed72955c | 1032 | @retval EFI_SUCCESS Read Blocks successfully.\r |
1033 | @retval EFI_DEVICE_ERROR Read Blocks failed.\r | |
1034 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
1035 | @retval EFI_MEDIA_CHANGE The MediaId is not for the current media.\r | |
1036 | \r | |
1037 | @retval EFI_BAD_BUFFER_SIZE\r | |
1038 | The BufferSize parameter is not a multiple of the\r | |
1039 | intrinsic block size of the device.\r | |
1040 | \r | |
1041 | @retval EFI_INVALID_PARAMETER\r | |
1042 | The read request contains LBAs that are not valid,\r | |
1043 | or the data buffer is not valid.\r | |
878ddf1f | 1044 | \r |
ed72955c | 1045 | @note\r |
1046 | If Read Block error because of device error, this function will call\r | |
1047 | AtaSoftReset() function to reset device.\r | |
878ddf1f | 1048 | \r |
ed72955c | 1049 | **/\r |
1050 | EFI_STATUS\r | |
1051 | AtaBlkIoReadBlocks (\r | |
1052 | IN IDE_BLK_IO_DEV *IdeBlkIoDevice,\r | |
1053 | IN UINT32 MediaId,\r | |
1054 | IN EFI_LBA LBA,\r | |
1055 | IN UINTN BufferSize,\r | |
1056 | OUT VOID *Buffer\r | |
1057 | )\r | |
878ddf1f | 1058 | {\r |
1059 | EFI_BLOCK_IO_MEDIA *Media;\r | |
1060 | UINTN BlockSize;\r | |
1061 | UINTN NumberOfBlocks;\r | |
1062 | EFI_STATUS Status;\r | |
1063 | \r | |
1064 | if (Buffer == NULL) {\r | |
1065 | return EFI_INVALID_PARAMETER;\r | |
1066 | }\r | |
1067 | \r | |
1068 | if (BufferSize == 0) {\r | |
1069 | return EFI_SUCCESS;\r | |
1070 | }\r | |
1071 | \r | |
1072 | Status = EFI_SUCCESS;\r | |
1073 | \r | |
1074 | //\r | |
1075 | // Get the intrinsic block size\r | |
1076 | //\r | |
1077 | Media = IdeBlkIoDevice->BlkIo.Media;\r | |
1078 | BlockSize = Media->BlockSize;\r | |
1079 | \r | |
1080 | NumberOfBlocks = BufferSize / BlockSize;\r | |
1081 | \r | |
1082 | if (MediaId != Media->MediaId) {\r | |
1083 | return EFI_MEDIA_CHANGED;\r | |
1084 | }\r | |
1085 | \r | |
1086 | if (BufferSize % BlockSize != 0) {\r | |
1087 | return EFI_BAD_BUFFER_SIZE;\r | |
1088 | }\r | |
1089 | \r | |
1090 | if (!(Media->MediaPresent)) {\r | |
1091 | return EFI_NO_MEDIA;\r | |
1092 | }\r | |
1093 | \r | |
1094 | if (LBA > Media->LastBlock) {\r | |
1095 | return EFI_INVALID_PARAMETER;\r | |
1096 | }\r | |
1097 | \r | |
1098 | if ((LBA + NumberOfBlocks - 1) > Media->LastBlock) {\r | |
1099 | return EFI_INVALID_PARAMETER;\r | |
1100 | }\r | |
1101 | \r | |
1102 | if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {\r | |
1103 | return EFI_INVALID_PARAMETER;\r | |
1104 | }\r | |
1105 | \r | |
1106 | if (IdeBlkIoDevice->Type == Ide48bitAddressingHardDisk) {\r | |
1107 | //\r | |
1108 | // For ATA/ATAPI-6 device(capcity > 120GB), use ATA-6 read block mechanism\r | |
1109 | //\r | |
1110 | Status = AtaUdmaReadExt (IdeBlkIoDevice, Buffer, LBA, NumberOfBlocks);\r | |
1111 | if (EFI_ERROR (Status)) {\r | |
1112 | Status = AtaReadSectorsExt (IdeBlkIoDevice, Buffer, LBA, NumberOfBlocks);\r | |
1113 | }\r | |
1114 | } else {\r | |
1115 | //\r | |
1116 | // For ATA-3 compatible device, use ATA-3 read block mechanism\r | |
1117 | // Notice DMA operation can only handle 32bit address\r | |
1118 | //\r | |
1119 | if ((UINTN) Buffer <= 0xFFFFFFFF) {\r | |
1120 | Status = AtaUdmaRead (IdeBlkIoDevice, Buffer, LBA, NumberOfBlocks);\r | |
1121 | }\r | |
1122 | \r | |
1123 | if (EFI_ERROR (Status) || ((UINTN) Buffer > 0xFFFFFFFF)) {\r | |
1124 | Status = AtaReadSectors (IdeBlkIoDevice, Buffer, LBA, NumberOfBlocks);\r | |
1125 | }\r | |
1126 | }\r | |
1127 | \r | |
1128 | if (EFI_ERROR (Status)) {\r | |
1129 | AtaSoftReset (IdeBlkIoDevice);\r | |
1130 | return EFI_DEVICE_ERROR;\r | |
1131 | }\r | |
1132 | \r | |
1133 | return EFI_SUCCESS;\r | |
1134 | \r | |
1135 | }\r | |
1136 | \r | |
ed72955c | 1137 | /**\r |
1138 | This function is the ATA implementation for WriteBlocks in the\r | |
1139 | Block I/O Protocol interface.\r | |
1140 | \r | |
1141 | @param[in] *IdeBlkIoDevice\r | |
1142 | Indicates the calling context.\r | |
1143 | \r | |
1144 | @param[in] MediaId\r | |
1145 | The media id that the write request is for.\r | |
1146 | \r | |
1147 | @param[in] LBA\r | |
1148 | The starting logical block address to write onto \r | |
1149 | the device.\r | |
1150 | \r | |
1151 | @param[in] BufferSize\r | |
1152 | The size of the Buffer in bytes. This must be a\r | |
1153 | multiple of the intrinsic block size of the device.\r | |
1154 | \r | |
1155 | @param[out] *Buffer\r | |
1156 | A pointer to the source buffer for the data. \r | |
1157 | The caller is responsible for either having implicit\r | |
1158 | or explicit ownership of the memory that data is \r | |
1159 | written from.\r | |
1160 | \r | |
1161 | @retval EFI_SUCCESS Write Blocks successfully.\r | |
1162 | @retval EFI_DEVICE_ERROR Write Blocks failed.\r | |
1163 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
1164 | @retval EFI_MEDIA_CHANGE The MediaId is not for the current media.\r | |
1165 | \r | |
1166 | @retval EFI_BAD_BUFFER_SIZE\r | |
1167 | The BufferSize parameter is not a multiple of the\r | |
1168 | intrinsic block size of the device.\r | |
1169 | \r | |
1170 | @retval EFI_INVALID_PARAMETER\r | |
1171 | The write request contains LBAs that are not valid,\r | |
1172 | or the data buffer is not valid.\r | |
1173 | \r | |
1174 | @note\r | |
1175 | If Write Block error because of device error, this function will call\r | |
1176 | AtaSoftReset() function to reset device.\r | |
1177 | \r | |
1178 | **/\r | |
878ddf1f | 1179 | EFI_STATUS\r |
1180 | AtaBlkIoWriteBlocks (\r | |
1181 | IN IDE_BLK_IO_DEV *IdeBlkIoDevice,\r | |
1182 | IN UINT32 MediaId,\r | |
1183 | IN EFI_LBA LBA,\r | |
1184 | IN UINTN BufferSize,\r | |
1185 | OUT VOID *Buffer\r | |
1186 | )\r | |
878ddf1f | 1187 | {\r |
1188 | \r | |
1189 | EFI_BLOCK_IO_MEDIA *Media;\r | |
1190 | UINTN BlockSize;\r | |
1191 | UINTN NumberOfBlocks;\r | |
1192 | EFI_STATUS Status;\r | |
1193 | \r | |
1194 | if (Buffer == NULL) {\r | |
1195 | return EFI_INVALID_PARAMETER;\r | |
1196 | }\r | |
1197 | \r | |
1198 | if (BufferSize == 0) {\r | |
1199 | return EFI_SUCCESS;\r | |
1200 | }\r | |
1201 | \r | |
1202 | Status = EFI_SUCCESS;\r | |
1203 | \r | |
1204 | //\r | |
1205 | // Get the intrinsic block size\r | |
1206 | //\r | |
1207 | Media = IdeBlkIoDevice->BlkIo.Media;\r | |
1208 | BlockSize = Media->BlockSize;\r | |
1209 | NumberOfBlocks = BufferSize / BlockSize;\r | |
1210 | \r | |
1211 | if (MediaId != Media->MediaId) {\r | |
1212 | return EFI_MEDIA_CHANGED;\r | |
1213 | }\r | |
1214 | \r | |
1215 | if (BufferSize % BlockSize != 0) {\r | |
1216 | return EFI_BAD_BUFFER_SIZE;\r | |
1217 | }\r | |
1218 | \r | |
1219 | if (LBA > Media->LastBlock) {\r | |
1220 | return EFI_INVALID_PARAMETER;\r | |
1221 | }\r | |
1222 | \r | |
1223 | if ((LBA + NumberOfBlocks - 1) > Media->LastBlock) {\r | |
1224 | return EFI_INVALID_PARAMETER;\r | |
1225 | }\r | |
1226 | \r | |
1227 | if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {\r | |
1228 | return EFI_INVALID_PARAMETER;\r | |
1229 | }\r | |
1230 | \r | |
1231 | if (IdeBlkIoDevice->Type == Ide48bitAddressingHardDisk) {\r | |
1232 | //\r | |
1233 | // For ATA/ATAPI-6 device(capcity > 120GB), use ATA-6 write block mechanism\r | |
1234 | //\r | |
1235 | Status = AtaUdmaWriteExt (IdeBlkIoDevice, Buffer, LBA, NumberOfBlocks);\r | |
1236 | if (EFI_ERROR (Status)) {\r | |
1237 | Status = AtaWriteSectorsExt (IdeBlkIoDevice, Buffer, LBA, NumberOfBlocks);\r | |
1238 | }\r | |
1239 | } else {\r | |
1240 | //\r | |
1241 | // For ATA-3 compatible device, use ATA-3 write block mechanism\r | |
1242 | //\r | |
1243 | Status = AtaUdmaWrite (IdeBlkIoDevice, Buffer, LBA, NumberOfBlocks);\r | |
1244 | if (EFI_ERROR (Status) || ((UINTN) Buffer > 0xFFFFFFFF)) {\r | |
1245 | Status = AtaWriteSectors (IdeBlkIoDevice, Buffer, LBA, NumberOfBlocks);\r | |
1246 | }\r | |
1247 | }\r | |
1248 | \r | |
1249 | if (EFI_ERROR (Status)) {\r | |
1250 | AtaSoftReset (IdeBlkIoDevice);\r | |
1251 | return EFI_DEVICE_ERROR;\r | |
1252 | }\r | |
1253 | \r | |
1254 | return EFI_SUCCESS;\r | |
1255 | }\r | |
1256 | \r | |
ed72955c | 1257 | /**\r |
1258 | This function is called by the AtaBlkIoReadBlocks() to perform\r | |
1259 | reading from media in block unit. The function has been enhanced to \r | |
1260 | support >120GB access and transfer at most 65536 blocks per command\r | |
1261 | \r | |
1262 | @param[in] *IdeDev\r | |
1263 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
1264 | to record all the information of the IDE device.\r | |
1265 | \r | |
1266 | @param[in] *DataBuffer A pointer to the destination buffer for the data. \r | |
1267 | @param[in] StartLba The starting logical block address to read from \r | |
1268 | on the device media.\r | |
1269 | @param[in] NumberOfBlocks The number of transfer data blocks.\r | |
1270 | \r | |
1271 | @return return status is fully dependent on the return status\r | |
1272 | of AtaPioDataInExt() function.\r | |
1273 | \r | |
1274 | **/\r | |
878ddf1f | 1275 | EFI_STATUS\r |
1276 | AtaReadSectorsExt (\r | |
1277 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
1278 | IN VOID *DataBuffer,\r | |
1279 | IN EFI_LBA StartLba,\r | |
1280 | IN UINTN NumberOfBlocks\r | |
1281 | )\r | |
878ddf1f | 1282 | {\r |
1283 | EFI_STATUS Status;\r | |
1284 | UINTN BlocksRemaining;\r | |
1285 | EFI_LBA Lba64;\r | |
1286 | UINT8 AtaCommand;\r | |
1287 | UINT16 SectorCount;\r | |
1288 | UINT32 ByteCount;\r | |
1289 | VOID *Buffer;\r | |
1290 | \r | |
1291 | //\r | |
1292 | // Using ATA "Read Sectors Ext" command(opcode=0x24) with PIO DATA IN protocol\r | |
1293 | //\r | |
1294 | AtaCommand = READ_SECTORS_EXT_CMD;\r | |
1295 | Buffer = DataBuffer;\r | |
1296 | BlocksRemaining = NumberOfBlocks;\r | |
1297 | Lba64 = StartLba;\r | |
1298 | Status = EFI_SUCCESS;\r | |
1299 | \r | |
1300 | while (BlocksRemaining > 0) {\r | |
1301 | \r | |
1302 | if (BlocksRemaining >= 0x10000) {\r | |
1303 | //\r | |
1304 | // SectorCount is used to record the number of sectors to be read\r | |
1305 | // Max 65536 sectors can be transfered at a time.\r | |
1306 | //\r | |
1307 | SectorCount = 0xffff;\r | |
1308 | } else {\r | |
1309 | SectorCount = (UINT16) BlocksRemaining;\r | |
1310 | }\r | |
1311 | \r | |
1312 | //\r | |
1313 | // ByteCount is the number of bytes that will be read\r | |
1314 | //\r | |
1315 | ByteCount = SectorCount * (IdeDev->BlkIo.Media->BlockSize);\r | |
1316 | \r | |
1317 | //\r | |
1318 | // call AtaPioDataInExt() to send Read Sector Command and receive data read\r | |
1319 | //\r | |
1320 | Status = AtaPioDataInExt (\r | |
1321 | IdeDev,\r | |
1322 | Buffer,\r | |
1323 | ByteCount,\r | |
1324 | AtaCommand,\r | |
1325 | Lba64,\r | |
1326 | SectorCount\r | |
1327 | );\r | |
1328 | if (EFI_ERROR (Status)) {\r | |
1329 | return Status;\r | |
1330 | }\r | |
1331 | \r | |
1332 | Lba64 += SectorCount;\r | |
1333 | Buffer = ((UINT8 *) Buffer + ByteCount);\r | |
1334 | BlocksRemaining -= SectorCount;\r | |
1335 | }\r | |
1336 | \r | |
1337 | return Status;\r | |
1338 | }\r | |
1339 | \r | |
ed72955c | 1340 | /**\r |
1341 | This function is called by the AtaBlkIoWriteBlocks() to perform\r | |
1342 | writing onto media in block unit. The function has been enhanced to \r | |
1343 | support >120GB access and transfer at most 65536 blocks per command\r | |
1344 | \r | |
1345 | @param[in] *IdeDev\r | |
1346 | pointer pointing to IDE_BLK_IO_DEV data structure,used\r | |
1347 | to record all the information of the IDE device.\r | |
1348 | \r | |
1349 | @param[in] *DataBuffer\r | |
1350 | A pointer to the source buffer for the data. \r | |
1351 | \r | |
1352 | @param[in] Lba\r | |
1353 | The starting logical block address to write onto \r | |
1354 | the device media.\r | |
1355 | \r | |
1356 | @param[in] NumberOfBlocks\r | |
1357 | The number of transfer data blocks.\r | |
1358 | \r | |
1359 | @return status is fully dependent on the return status\r | |
1360 | of AtaPioDataOutExt() function.\r | |
1361 | \r | |
1362 | **/\r | |
878ddf1f | 1363 | EFI_STATUS\r |
1364 | AtaWriteSectorsExt (\r | |
1365 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
1366 | IN VOID *DataBuffer,\r | |
1367 | IN EFI_LBA StartLba,\r | |
1368 | IN UINTN NumberOfBlocks\r | |
1369 | )\r | |
878ddf1f | 1370 | {\r |
1371 | EFI_STATUS Status;\r | |
1372 | EFI_LBA Lba64;\r | |
1373 | UINTN BlocksRemaining;\r | |
1374 | UINT8 AtaCommand;\r | |
1375 | UINT16 SectorCount;\r | |
1376 | UINT32 ByteCount;\r | |
1377 | VOID *Buffer;\r | |
1378 | \r | |
1379 | //\r | |
1380 | // Using ATA "Write Sectors Ext" cmd(opcode=0x24) with PIO DATA OUT protocol\r | |
1381 | //\r | |
1382 | AtaCommand = WRITE_SECTORS_EXT_CMD;\r | |
1383 | Lba64 = StartLba;\r | |
1384 | Buffer = DataBuffer;\r | |
1385 | BlocksRemaining = NumberOfBlocks;\r | |
1386 | \r | |
1387 | Status = EFI_SUCCESS;\r | |
1388 | \r | |
1389 | while (BlocksRemaining > 0) {\r | |
1390 | \r | |
1391 | if (BlocksRemaining >= 0x10000) {\r | |
1392 | //\r | |
1393 | // SectorCount is used to record the number of sectors to be written.\r | |
1394 | // Max 65536 sectors can be transfered at a time.\r | |
1395 | //\r | |
1396 | SectorCount = 0xffff;\r | |
1397 | } else {\r | |
1398 | SectorCount = (UINT16) BlocksRemaining;\r | |
1399 | }\r | |
1400 | \r | |
1401 | //\r | |
1402 | // ByteCount is the number of bytes that will be written\r | |
1403 | //\r | |
1404 | ByteCount = SectorCount * (IdeDev->BlkIo.Media->BlockSize);\r | |
1405 | \r | |
1406 | //\r | |
1407 | // Call AtaPioDataOutExt() to send "Write Sectors Ext" Command\r | |
1408 | //\r | |
1409 | Status = AtaPioDataOutExt (\r | |
1410 | IdeDev,\r | |
1411 | Buffer,\r | |
1412 | ByteCount,\r | |
1413 | AtaCommand,\r | |
1414 | Lba64,\r | |
1415 | SectorCount\r | |
1416 | );\r | |
1417 | if (EFI_ERROR (Status)) {\r | |
1418 | return Status;\r | |
1419 | }\r | |
1420 | \r | |
1421 | Lba64 += SectorCount;\r | |
1422 | Buffer = ((UINT8 *) Buffer + ByteCount);\r | |
1423 | BlocksRemaining -= SectorCount;\r | |
1424 | }\r | |
1425 | \r | |
1426 | return Status;\r | |
1427 | }\r | |
1428 | \r | |
ed72955c | 1429 | /**\r |
1430 | This function is used to send out ATA commands conforms to the \r | |
1431 | PIO Data In Protocol, supporting ATA/ATAPI-6 standard\r | |
1432 | \r | |
1433 | Comparing with ATA-3 data in protocol, we have two differents here:<BR>\r | |
1434 | 1. Do NOT wait for DRQ clear before sending command into IDE device.(the\r | |
1435 | wait will frequently fail... cause writing function return error)\r | |
1436 | \r | |
1437 | 2. Do NOT wait for DRQ clear after all data readed.(the wait greatly \r | |
1438 | slow down writing performance by 100 times!)\r | |
1439 | \r | |
1440 | @param[in] *IdeDev pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
1441 | to record all the information of the IDE device.\r | |
1442 | \r | |
1443 | @param[in,out] *Buffer buffer contained data transferred from device to host.\r | |
1444 | @param[in] ByteCount data size in byte unit of the buffer.\r | |
1445 | @param[in] AtaCommand value of the Command Register\r | |
1446 | @param[in] StartLba the start LBA of this transaction\r | |
1447 | @param[in] SectorCount the count of sectors to be transfered\r | |
1448 | \r | |
1449 | @retval EFI_SUCCESS send out the ATA command and device send required\r | |
1450 | data successfully.\r | |
1451 | \r | |
1452 | @retval EFI_DEVICE_ERROR command sent failed.\r | |
1453 | \r | |
1454 | **/\r | |
878ddf1f | 1455 | EFI_STATUS\r |
1456 | AtaPioDataInExt (\r | |
1457 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
1458 | IN OUT VOID *Buffer,\r | |
1459 | IN UINT32 ByteCount,\r | |
1460 | IN UINT8 AtaCommand,\r | |
1461 | IN EFI_LBA StartLba,\r | |
1462 | IN UINT16 SectorCount\r | |
1463 | )\r | |
878ddf1f | 1464 | {\r |
1465 | UINT8 DevSel;\r | |
1466 | UINT8 SectorCount8;\r | |
1467 | UINT8 LbaLow;\r | |
1468 | UINT8 LbaMid;\r | |
1469 | UINT8 LbaHigh;\r | |
1470 | UINTN WordCount;\r | |
1471 | UINTN Increment;\r | |
1472 | UINT16 *Buffer16;\r | |
1473 | EFI_STATUS Status;\r | |
1474 | \r | |
1475 | Status = WaitForBSYClear (IdeDev, ATATIMEOUT);\r | |
1476 | if (EFI_ERROR (Status)) {\r | |
1477 | return EFI_DEVICE_ERROR;\r | |
1478 | }\r | |
1479 | \r | |
1480 | //\r | |
1481 | // Select device, set bit6 as 1 to indicate LBA mode is used\r | |
1482 | //\r | |
1483 | DevSel = (UINT8) (IdeDev->Device << 4);\r | |
1484 | DevSel |= 0x40;\r | |
1485 | IDEWritePortB (\r | |
1486 | IdeDev->PciIo,\r | |
1487 | IdeDev->IoPort->Head,\r | |
1488 | DevSel\r | |
1489 | );\r | |
1490 | \r | |
1491 | //\r | |
1492 | // Wait for DRDY singnal asserting. ATAPI device needn't wait\r | |
1493 | //\r | |
1494 | if ( (IdeDev->Type == IdeHardDisk) ||\r | |
1495 | (IdeDev->Type == Ide48bitAddressingHardDisk)) {\r | |
1496 | \r | |
1497 | Status = DRDYReady (IdeDev, ATATIMEOUT);\r | |
1498 | if (EFI_ERROR (Status)) {\r | |
1499 | return EFI_DEVICE_ERROR;\r | |
1500 | }\r | |
1501 | }\r | |
1502 | \r | |
1503 | //\r | |
1504 | // Fill feature register if needed\r | |
1505 | //\r | |
1506 | if (AtaCommand == SET_FEATURES_CMD) {\r | |
1507 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg1.Feature, 0x03);\r | |
1508 | }\r | |
1509 | \r | |
1510 | //\r | |
1511 | // Fill the sector count register, which is a two-byte FIFO. Need write twice.\r | |
1512 | //\r | |
1513 | SectorCount8 = (UINT8) (SectorCount >> 8);\r | |
1514 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorCount, SectorCount8);\r | |
1515 | \r | |
1516 | SectorCount8 = (UINT8) SectorCount;\r | |
1517 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorCount, SectorCount8);\r | |
1518 | \r | |
1519 | //\r | |
1520 | // Fill the start LBA registers, which are also two-byte FIFO\r | |
1521 | //\r | |
1522 | LbaLow = (UINT8) RShiftU64 (StartLba, 24);\r | |
1523 | LbaMid = (UINT8) RShiftU64 (StartLba, 32);\r | |
1524 | LbaHigh = (UINT8) RShiftU64 (StartLba, 40);\r | |
1525 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorNumber, LbaLow);\r | |
1526 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb, LbaMid);\r | |
1527 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb, LbaHigh);\r | |
1528 | \r | |
1529 | LbaLow = (UINT8) StartLba;\r | |
1530 | LbaMid = (UINT8) RShiftU64 (StartLba, 8);\r | |
1531 | LbaHigh = (UINT8) RShiftU64 (StartLba, 16);\r | |
1532 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorNumber, LbaLow);\r | |
1533 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb, LbaMid);\r | |
1534 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb, LbaHigh);\r | |
1535 | \r | |
1536 | //\r | |
1537 | // Send command via Command Register, invoking the processing of this command\r | |
1538 | //\r | |
1539 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg.Command, AtaCommand);\r | |
1540 | \r | |
1541 | Buffer16 = (UINT16 *) Buffer;\r | |
1542 | \r | |
1543 | //\r | |
1544 | // According to PIO data in protocol, host can perform a series of reads to\r | |
1545 | // the data register after each time device set DRQ ready;\r | |
1546 | //\r | |
1547 | \r | |
1548 | //\r | |
1549 | // 256 words\r | |
1550 | //\r | |
1551 | Increment = 256;\r | |
1552 | \r | |
1553 | //\r | |
1554 | // used to record bytes of currently transfered data\r | |
1555 | //\r | |
1556 | WordCount = 0;\r | |
1557 | \r | |
1558 | while (WordCount < ByteCount / 2) {\r | |
1559 | //\r | |
1560 | // Poll DRQ bit set, data transfer can be performed only when DRQ is ready.\r | |
1561 | //\r | |
1562 | Status = DRQReady2 (IdeDev, ATATIMEOUT);\r | |
1563 | if (EFI_ERROR (Status)) {\r | |
1564 | return EFI_DEVICE_ERROR;\r | |
1565 | }\r | |
1566 | \r | |
1567 | Status = CheckErrorStatus (IdeDev);\r | |
1568 | if (EFI_ERROR (Status)) {\r | |
1569 | return EFI_DEVICE_ERROR;\r | |
1570 | }\r | |
1571 | \r | |
1572 | //\r | |
1573 | // Get the byte count for one series of read\r | |
1574 | //\r | |
1575 | if ((WordCount + Increment) > ByteCount / 2) {\r | |
1576 | Increment = ByteCount / 2 - WordCount;\r | |
1577 | }\r | |
1578 | \r | |
1579 | IDEReadPortWMultiple (\r | |
1580 | IdeDev->PciIo,\r | |
1581 | IdeDev->IoPort->Data,\r | |
1582 | Increment,\r | |
1583 | Buffer16\r | |
1584 | );\r | |
1585 | \r | |
1586 | WordCount += Increment;\r | |
1587 | Buffer16 += Increment;\r | |
1588 | \r | |
1589 | }\r | |
1590 | \r | |
1591 | return CheckErrorStatus (IdeDev);\r | |
1592 | }\r | |
1593 | \r | |
ed72955c | 1594 | /**\r |
1595 | This function is used to send out ATA commands conforms to the \r | |
1596 | PIO Data Out Protocol, supporting ATA/ATAPI-6 standard\r | |
1597 | \r | |
1598 | Comparing with ATA-3 data out protocol, we have two differents here:<BR>\r | |
1599 | 1. Do NOT wait for DRQ clear before sending command into IDE device.(the\r | |
1600 | wait will frequently fail... cause writing function return error)\r | |
1601 | \r | |
1602 | 2. Do NOT wait for DRQ clear after all data readed.(the wait greatly \r | |
1603 | slow down writing performance by 100 times!)\r | |
1604 | \r | |
1605 | @param[in] *IdeDev\r | |
1606 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
1607 | to record all the information of the IDE device.\r | |
1608 | \r | |
1609 | @param[in] *Buffer buffer contained data transferred from host to device.\r | |
1610 | @param[in] ByteCount data size in byte unit of the buffer.\r | |
1611 | @param[in] AtaCommand value of the Command Register\r | |
1612 | @param[in] StartLba the start LBA of this transaction\r | |
1613 | @param[in] SectorCount the count of sectors to be transfered\r | |
1614 | \r | |
1615 | @retval EFI_SUCCESS send out the ATA command and device receive required\r | |
1616 | data successfully.\r | |
1617 | \r | |
1618 | @retval EFI_DEVICE_ERROR command sent failed.\r | |
1619 | \r | |
1620 | **/\r | |
878ddf1f | 1621 | EFI_STATUS\r |
1622 | AtaPioDataOutExt (\r | |
1623 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
1624 | IN VOID *Buffer,\r | |
1625 | IN UINT32 ByteCount,\r | |
1626 | IN UINT8 AtaCommand,\r | |
1627 | IN EFI_LBA StartLba,\r | |
1628 | IN UINT16 SectorCount\r | |
1629 | )\r | |
878ddf1f | 1630 | {\r |
1631 | UINT8 DevSel;\r | |
1632 | UINT8 SectorCount8;\r | |
1633 | UINT8 LbaLow;\r | |
1634 | UINT8 LbaMid;\r | |
1635 | UINT8 LbaHigh;\r | |
1636 | UINTN WordCount;\r | |
1637 | UINTN Increment;\r | |
1638 | UINT16 *Buffer16;\r | |
1639 | EFI_STATUS Status;\r | |
1640 | \r | |
1641 | Status = WaitForBSYClear (IdeDev, ATATIMEOUT);\r | |
1642 | if (EFI_ERROR (Status)) {\r | |
1643 | return EFI_DEVICE_ERROR;\r | |
1644 | }\r | |
1645 | \r | |
1646 | //\r | |
1647 | // Select device. Set bit6 as 1 to indicate LBA mode is used\r | |
1648 | //\r | |
1649 | DevSel = (UINT8) (IdeDev->Device << 4);\r | |
1650 | DevSel |= 0x40;\r | |
1651 | IDEWritePortB (\r | |
1652 | IdeDev->PciIo,\r | |
1653 | IdeDev->IoPort->Head,\r | |
1654 | DevSel\r | |
1655 | );\r | |
1656 | \r | |
1657 | //\r | |
1658 | // Wait for DRDY singnal asserting.\r | |
1659 | //\r | |
1660 | Status = DRDYReady (IdeDev, ATATIMEOUT);\r | |
1661 | if (EFI_ERROR (Status)) {\r | |
1662 | return EFI_DEVICE_ERROR;\r | |
1663 | }\r | |
1664 | \r | |
1665 | //\r | |
1666 | // Fill feature register if needed\r | |
1667 | //\r | |
1668 | if (AtaCommand == SET_FEATURES_CMD) {\r | |
1669 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg1.Feature, 0x03);\r | |
1670 | }\r | |
1671 | \r | |
1672 | //\r | |
1673 | // Fill the sector count register, which is a two-byte FIFO. Need write twice.\r | |
1674 | //\r | |
1675 | SectorCount8 = (UINT8) (SectorCount >> 8);\r | |
1676 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorCount, SectorCount8);\r | |
1677 | \r | |
1678 | SectorCount8 = (UINT8) SectorCount;\r | |
1679 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorCount, SectorCount8);\r | |
1680 | \r | |
1681 | //\r | |
1682 | // Fill the start LBA registers, which are also two-byte FIFO\r | |
1683 | //\r | |
1684 | LbaLow = (UINT8) RShiftU64 (StartLba, 24);\r | |
1685 | LbaMid = (UINT8) RShiftU64 (StartLba, 32);\r | |
1686 | LbaHigh = (UINT8) RShiftU64 (StartLba, 40);\r | |
1687 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorNumber, LbaLow);\r | |
1688 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb, LbaMid);\r | |
1689 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb, LbaHigh);\r | |
1690 | \r | |
1691 | LbaLow = (UINT8) StartLba;\r | |
1692 | LbaMid = (UINT8) RShiftU64 (StartLba, 8);\r | |
1693 | LbaHigh = (UINT8) RShiftU64 (StartLba, 16);\r | |
1694 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorNumber, LbaLow);\r | |
1695 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb, LbaMid);\r | |
1696 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb, LbaHigh);\r | |
1697 | \r | |
1698 | //\r | |
1699 | // Send command via Command Register, invoking the processing of this command\r | |
1700 | //\r | |
1701 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg.Command, AtaCommand);\r | |
1702 | \r | |
1703 | Buffer16 = (UINT16 *) Buffer;\r | |
1704 | \r | |
1705 | //\r | |
1706 | // According to PIO Data Out protocol, host can perform a series of writes to\r | |
1707 | // the data register after each time device set DRQ ready;\r | |
1708 | //\r | |
1709 | Increment = 256;\r | |
1710 | \r | |
1711 | //\r | |
1712 | // used to record bytes of currently transfered data\r | |
1713 | //\r | |
1714 | WordCount = 0;\r | |
1715 | \r | |
1716 | while (WordCount < ByteCount / 2) {\r | |
1717 | //\r | |
1718 | // Poll DRQ bit set, data transfer can be performed only when DRQ is ready.\r | |
1719 | //\r | |
1720 | Status = DRQReady2 (IdeDev, ATATIMEOUT);\r | |
1721 | if (EFI_ERROR (Status)) {\r | |
1722 | return EFI_DEVICE_ERROR;\r | |
1723 | }\r | |
1724 | \r | |
1725 | Status = CheckErrorStatus (IdeDev);\r | |
1726 | if (EFI_ERROR (Status)) {\r | |
1727 | return EFI_DEVICE_ERROR;\r | |
1728 | }\r | |
1729 | \r | |
1730 | //\r | |
1731 | // Write data into device by one series of writing to data register\r | |
1732 | //\r | |
1733 | if ((WordCount + Increment) > ByteCount / 2) {\r | |
1734 | Increment = ByteCount / 2 - WordCount;\r | |
1735 | }\r | |
1736 | \r | |
1737 | IDEWritePortWMultiple (\r | |
1738 | IdeDev->PciIo,\r | |
1739 | IdeDev->IoPort->Data,\r | |
1740 | Increment,\r | |
1741 | Buffer16\r | |
1742 | );\r | |
1743 | \r | |
1744 | WordCount += Increment;\r | |
1745 | Buffer16 += Increment;\r | |
1746 | \r | |
1747 | }\r | |
1748 | //\r | |
1749 | // while\r | |
1750 | //\r | |
1751 | \r | |
1752 | return CheckErrorStatus (IdeDev);\r | |
1753 | }\r | |
1754 | \r | |
1755 | \r | |
ed72955c | 1756 | /**\r |
1757 | Enable SMART of the disk if supported\r | |
1758 | \r | |
1759 | @param[in] *IdeDev\r | |
1760 | pointer pointing to IDE_BLK_IO_DEV data structure,used\r | |
1761 | to record all the information of the IDE device.\r | |
1762 | \r | |
1763 | **/\r | |
878ddf1f | 1764 | VOID\r |
1765 | AtaSMARTSupport (\r | |
1766 | IN IDE_BLK_IO_DEV *IdeDev\r | |
1767 | )\r | |
878ddf1f | 1768 | {\r |
1769 | EFI_STATUS Status;\r | |
1770 | BOOLEAN SMARTSupported;\r | |
1771 | UINT8 Device;\r | |
1772 | EFI_IDENTIFY_DATA *TmpAtaIdentifyPointer;\r | |
1773 | UINT8 DeviceSelect;\r | |
1774 | UINT8 LBAMid;\r | |
1775 | UINT8 LBAHigh;\r | |
1776 | \r | |
1777 | //\r | |
1778 | // Detect if the device supports S.M.A.R.T.\r | |
1779 | //\r | |
1780 | if ((IdeDev->pIdData->AtaData.command_set_supported_83 & 0xc000) != 0x4000) {\r | |
1781 | //\r | |
1782 | // Data in word 82 is not valid (bit15 shall be zero and bit14 shall be to one)\r | |
1783 | //\r | |
1784 | return ;\r | |
1785 | } else {\r | |
1786 | if ((IdeDev->pIdData->AtaData.command_set_supported_82 & 0x0001) != 0x0001) {\r | |
1787 | //\r | |
1788 | // S.M.A.R.T is not supported by the device\r | |
1789 | //\r | |
1790 | SMARTSupported = FALSE;\r | |
1791 | } else {\r | |
1792 | SMARTSupported = TRUE;\r | |
1793 | }\r | |
1794 | }\r | |
1795 | \r | |
1796 | if (!SMARTSupported) {\r | |
1797 | //\r | |
1798 | // Report nonsupport status code\r | |
1799 | //\r | |
1800 | REPORT_STATUS_CODE (\r | |
1801 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
1802 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_ATA_BUS_SMART_NOTSUPPORTED)\r | |
1803 | );\r | |
1804 | } else {\r | |
1805 | //\r | |
1806 | // Enable this feature\r | |
1807 | //\r | |
1808 | REPORT_STATUS_CODE (\r | |
1809 | EFI_PROGRESS_CODE,\r | |
1810 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_ATA_BUS_SMART_ENABLE)\r | |
1811 | );\r | |
1812 | \r | |
1813 | Device = (UINT8) ((IdeDev->Device << 4) | 0xe0);\r | |
1814 | Status = AtaNonDataCommandIn (\r | |
1815 | IdeDev,\r | |
1816 | ATA_SMART_CMD,\r | |
1817 | Device,\r | |
1818 | ATA_SMART_ENABLE_OPERATION,\r | |
1819 | 0,\r | |
1820 | 0,\r | |
1821 | ATA_CONSTANT_4F,\r | |
1822 | ATA_CONSTANT_C2\r | |
1823 | );\r | |
1824 | //\r | |
1825 | // Detect if this feature is enabled\r | |
1826 | //\r | |
1827 | TmpAtaIdentifyPointer = (EFI_IDENTIFY_DATA *) AllocateZeroPool (sizeof (EFI_IDENTIFY_DATA));\r | |
1828 | \r | |
1829 | DeviceSelect = (UINT8) ((IdeDev->Device) << 4);\r | |
1830 | Status = AtaPioDataIn (\r | |
1831 | IdeDev,\r | |
1832 | (VOID *) TmpAtaIdentifyPointer,\r | |
1833 | sizeof (EFI_IDENTIFY_DATA),\r | |
1834 | IDENTIFY_DRIVE_CMD,\r | |
1835 | DeviceSelect,\r | |
1836 | 0,\r | |
1837 | 0,\r | |
1838 | 0,\r | |
1839 | 0\r | |
1840 | );\r | |
1841 | if (EFI_ERROR (Status)) {\r | |
1842 | gBS->FreePool (TmpAtaIdentifyPointer);\r | |
1843 | return ;\r | |
1844 | }\r | |
1845 | \r | |
1846 | //\r | |
1847 | // Check if the feature is enabled\r | |
1848 | //\r | |
1849 | if ((TmpAtaIdentifyPointer->AtaData.command_set_feature_enb_85 & 0x0001) == 0x0001) {\r | |
1850 | //\r | |
1851 | // Read status data\r | |
1852 | //\r | |
1853 | AtaNonDataCommandIn (\r | |
1854 | IdeDev,\r | |
1855 | ATA_SMART_CMD,\r | |
1856 | Device,\r | |
1857 | ATA_SMART_RETURN_STATUS,\r | |
1858 | 0,\r | |
1859 | 0,\r | |
1860 | ATA_CONSTANT_4F,\r | |
1861 | ATA_CONSTANT_C2\r | |
1862 | );\r | |
1863 | LBAMid = IDEReadPortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb);\r | |
1864 | LBAHigh = IDEReadPortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb);\r | |
1865 | \r | |
1866 | if ((LBAMid == 0x4f) && (LBAHigh == 0xc2)) {\r | |
1867 | //\r | |
1868 | // The threshold exceeded condition is not detected by the device\r | |
1869 | //\r | |
1870 | REPORT_STATUS_CODE (\r | |
1871 | EFI_PROGRESS_CODE,\r | |
1872 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_ATA_BUS_SMART_UNDERTHRESHOLD)\r | |
1873 | );\r | |
1874 | \r | |
1875 | } else if ((LBAMid == 0xf4) && (LBAHigh == 0x2c)) {\r | |
1876 | //\r | |
1877 | // The threshold exceeded condition is detected by the device\r | |
1878 | //\r | |
1879 | REPORT_STATUS_CODE (\r | |
1880 | EFI_PROGRESS_CODE,\r | |
1881 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_ATA_BUS_SMART_OVERTHRESHOLD)\r | |
1882 | );\r | |
1883 | }\r | |
1884 | \r | |
1885 | } else {\r | |
1886 | //\r | |
1887 | // Report disabled status code\r | |
1888 | //\r | |
1889 | REPORT_STATUS_CODE (\r | |
1890 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
1891 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_ATA_BUS_SMART_DISABLED)\r | |
1892 | );\r | |
1893 | }\r | |
1894 | \r | |
1895 | gBS->FreePool (TmpAtaIdentifyPointer);\r | |
1896 | }\r | |
1897 | \r | |
1898 | return ;\r | |
1899 | }\r | |
1900 | \r | |
ed72955c | 1901 | /**\r |
1902 | Send ATA Ext command into device with NON_DATA protocol\r | |
1903 | \r | |
1904 | @param IdeDev Standard IDE device private data structure\r | |
1905 | @param AtaCommand The ATA command to be sent\r | |
1906 | @param Device The value in Device register\r | |
1907 | @param Feature The value in Feature register\r | |
1908 | @param SectorCount The value in SectorCount register\r | |
1909 | @param LbaAddress The LBA address in 48-bit mode\r | |
1910 | \r | |
1911 | @retval EFI_SUCCESS Reading succeed\r | |
1912 | @retval EFI_DEVICE_ERROR Error executing commands on this device\r | |
1913 | \r | |
1914 | **/\r | |
878ddf1f | 1915 | EFI_STATUS\r |
1916 | AtaCommandIssueExt (\r | |
1917 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
1918 | IN UINT8 AtaCommand,\r | |
1919 | IN UINT8 Device,\r | |
1920 | IN UINT16 Feature,\r | |
1921 | IN UINT16 SectorCount,\r | |
1922 | IN EFI_LBA LbaAddress\r | |
1923 | )\r | |
878ddf1f | 1924 | {\r |
1925 | EFI_STATUS Status;\r | |
1926 | UINT8 SectorCount8;\r | |
1927 | UINT8 Feature8;\r | |
1928 | UINT8 LbaLow;\r | |
1929 | UINT8 LbaMid;\r | |
1930 | UINT8 LbaHigh;\r | |
1931 | \r | |
1932 | Status = WaitForBSYClear (IdeDev, ATATIMEOUT);\r | |
1933 | if (EFI_ERROR (Status)) {\r | |
1934 | return EFI_DEVICE_ERROR;\r | |
1935 | }\r | |
1936 | \r | |
1937 | //\r | |
1938 | // Select device (bit4), set LBA mode(bit6) (use 0xe0 for compatibility)\r | |
1939 | //\r | |
1940 | IDEWritePortB (\r | |
1941 | IdeDev->PciIo,\r | |
1942 | IdeDev->IoPort->Head,\r | |
1943 | (UINT8) ((IdeDev->Device << 4) | 0xe0)\r | |
1944 | );\r | |
1945 | \r | |
1946 | //\r | |
1947 | // ATA commands for ATA device must be issued when DRDY is set\r | |
1948 | //\r | |
1949 | Status = DRDYReady (IdeDev, ATATIMEOUT);\r | |
1950 | if (EFI_ERROR (Status)) {\r | |
1951 | return EFI_DEVICE_ERROR;\r | |
1952 | }\r | |
1953 | \r | |
1954 | //\r | |
1955 | // Pass parameter into device register block\r | |
1956 | //\r | |
1957 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Head, Device);\r | |
1958 | \r | |
1959 | //\r | |
1960 | // Fill the feature register, which is a two-byte FIFO. Need write twice.\r | |
1961 | //\r | |
1962 | Feature8 = (UINT8) (Feature >> 8);\r | |
1963 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg1.Feature, Feature8);\r | |
1964 | \r | |
1965 | Feature8 = (UINT8) Feature;\r | |
1966 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg1.Feature, Feature8);\r | |
1967 | \r | |
1968 | //\r | |
1969 | // Fill the sector count register, which is a two-byte FIFO. Need write twice.\r | |
1970 | //\r | |
1971 | SectorCount8 = (UINT8) (SectorCount >> 8);\r | |
1972 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorCount, SectorCount8);\r | |
1973 | \r | |
1974 | SectorCount8 = (UINT8) SectorCount;\r | |
1975 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorCount, SectorCount8);\r | |
1976 | \r | |
1977 | //\r | |
1978 | // Fill the start LBA registers, which are also two-byte FIFO\r | |
1979 | //\r | |
1980 | LbaLow = (UINT8) RShiftU64 (LbaAddress, 24);\r | |
1981 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorNumber, LbaLow);\r | |
1982 | LbaLow = (UINT8) LbaAddress;\r | |
1983 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorNumber, LbaLow);\r | |
1984 | \r | |
1985 | LbaMid = (UINT8) RShiftU64 (LbaAddress, 32);\r | |
1986 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb, LbaMid);\r | |
1987 | LbaMid = (UINT8) RShiftU64 (LbaAddress, 8);\r | |
1988 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb, LbaMid);\r | |
1989 | \r | |
1990 | LbaHigh = (UINT8) RShiftU64 (LbaAddress, 40);\r | |
1991 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb, LbaHigh);\r | |
1992 | LbaHigh = (UINT8) RShiftU64 (LbaAddress, 16);\r | |
1993 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb, LbaHigh);\r | |
1994 | \r | |
1995 | //\r | |
1996 | // Work around for Segate 160G disk writing\r | |
1997 | //\r | |
1998 | gBS->Stall (1800);\r | |
1999 | \r | |
2000 | //\r | |
2001 | // Send command via Command Register\r | |
2002 | //\r | |
2003 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg.Command, AtaCommand);\r | |
2004 | \r | |
2005 | //\r | |
2006 | // Stall at least 400ns\r | |
2007 | //\r | |
2008 | gBS->Stall (100);\r | |
2009 | \r | |
2010 | return EFI_SUCCESS;\r | |
2011 | }\r | |
2012 | \r | |
ed72955c | 2013 | /**\r |
2014 | Send ATA Ext command into device with NON_DATA protocol\r | |
2015 | \r | |
2016 | @param IdeDev Standard IDE device private data structure\r | |
2017 | @param AtaCommand The ATA command to be sent\r | |
2018 | @param Device The value in Device register\r | |
2019 | @param Feature The value in Feature register\r | |
2020 | @param SectorCount The value in SectorCount register\r | |
2021 | @param LbaAddress The LBA address in 48-bit mode\r | |
2022 | \r | |
2023 | @retval EFI_SUCCESS Reading succeed\r | |
2024 | @retval EFI_DEVICE_ERROR Error executing commands on this device\r | |
2025 | \r | |
2026 | **/\r | |
878ddf1f | 2027 | EFI_STATUS\r |
2028 | AtaCommandIssue (\r | |
2029 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
2030 | IN UINT8 AtaCommand,\r | |
2031 | IN UINT8 Device,\r | |
2032 | IN UINT16 Feature,\r | |
2033 | IN UINT16 SectorCount,\r | |
2034 | IN EFI_LBA LbaAddress\r | |
2035 | )\r | |
878ddf1f | 2036 | {\r |
2037 | EFI_STATUS Status;\r | |
2038 | UINT8 SectorCount8;\r | |
2039 | UINT8 Feature8;\r | |
2040 | UINT8 Lba0;\r | |
2041 | UINT8 Lba1;\r | |
2042 | UINT8 Lba2;\r | |
2043 | UINT8 Lba3;\r | |
2044 | \r | |
2045 | Status = WaitForBSYClear (IdeDev, ATATIMEOUT);\r | |
2046 | if (EFI_ERROR (Status)) {\r | |
2047 | return EFI_DEVICE_ERROR;\r | |
2048 | }\r | |
2049 | \r | |
2050 | //\r | |
2051 | // Select device (bit4), set LBA mode(bit6) (use 0xe0 for compatibility)\r | |
2052 | //\r | |
2053 | IDEWritePortB (\r | |
2054 | IdeDev->PciIo,\r | |
2055 | IdeDev->IoPort->Head,\r | |
2056 | (UINT8) ((IdeDev->Device << 4) | 0xe0)\r | |
2057 | );\r | |
2058 | \r | |
2059 | //\r | |
2060 | // ATA commands for ATA device must be issued when DRDY is set\r | |
2061 | //\r | |
2062 | Status = DRDYReady (IdeDev, ATATIMEOUT);\r | |
2063 | if (EFI_ERROR (Status)) {\r | |
2064 | return EFI_DEVICE_ERROR;\r | |
2065 | }\r | |
2066 | \r | |
2067 | Lba0 = (UINT8) LbaAddress;\r | |
2068 | Lba1 = (UINT8) RShiftU64 (LbaAddress, 8);\r | |
2069 | Lba2 = (UINT8) RShiftU64 (LbaAddress, 16);\r | |
2070 | Lba3 = (UINT8) RShiftU64 (LbaAddress, 24);\r | |
2071 | Device |= Lba3;\r | |
2072 | \r | |
2073 | //\r | |
2074 | // Pass parameter into device register block\r | |
2075 | //\r | |
2076 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Head, Device);\r | |
2077 | \r | |
2078 | //\r | |
2079 | // Fill the feature register, which is a two-byte FIFO. Need write twice.\r | |
2080 | //\r | |
2081 | Feature8 = (UINT8) Feature;\r | |
2082 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg1.Feature, Feature8);\r | |
2083 | \r | |
2084 | //\r | |
2085 | // Fill the sector count register, which is a two-byte FIFO. Need write twice.\r | |
2086 | //\r | |
2087 | SectorCount8 = (UINT8) SectorCount;\r | |
2088 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorCount, SectorCount8);\r | |
2089 | \r | |
2090 | //\r | |
2091 | // Fill the start LBA registers, which are also two-byte FIFO\r | |
2092 | //\r | |
2093 | \r | |
2094 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorNumber, Lba0);\r | |
2095 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb, Lba1);\r | |
2096 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb, Lba2);\r | |
2097 | \r | |
2098 | //\r | |
2099 | // Send command via Command Register\r | |
2100 | //\r | |
2101 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg.Command, AtaCommand);\r | |
2102 | \r | |
2103 | //\r | |
2104 | // Stall at least 400ns\r | |
2105 | //\r | |
2106 | gBS->Stall (100);\r | |
2107 | \r | |
2108 | return EFI_SUCCESS;\r | |
2109 | }\r | |
2110 | \r | |
ed72955c | 2111 | /**\r |
2112 | This function is called by the AtaBlkIoReadBlocks() to perform\r | |
2113 | reading from media in block unit. The function has been enhanced to \r | |
2114 | support >120GB access and transfer at most 65536 blocks per command\r | |
2115 | \r | |
2116 | @param[in] *IdeDev pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
2117 | to record all the information of the IDE device.\r | |
2118 | \r | |
2119 | @param[in] *DataBuffer A pointer to the destination buffer for the data. \r | |
2120 | \r | |
2121 | @param[in] StartLba The starting logical block address to read from \r | |
2122 | on the device media.\r | |
2123 | \r | |
2124 | @param[in] NumberOfBlocks The number of transfer data blocks.\r | |
2125 | \r | |
2126 | @return The device status of UDMA operation. If the operation is\r | |
2127 | successful, return EFI_SUCCESS.\r | |
2128 | \r | |
2129 | TODO: EFI_UNSUPPORTED - add return value to function comment\r | |
2130 | TODO: EFI_DEVICE_ERROR - 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 | **/\r | |
878ddf1f | 2134 | EFI_STATUS\r |
2135 | AtaUdmaReadExt (\r | |
2136 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
2137 | IN VOID *DataBuffer,\r | |
2138 | IN EFI_LBA StartLba,\r | |
2139 | IN UINTN NumberOfBlocks\r | |
2140 | )\r | |
878ddf1f | 2141 | {\r |
2142 | IDE_DMA_PRD *PrdAddr;\r | |
2143 | IDE_DMA_PRD *UsedPrdAddr;\r | |
2144 | IDE_DMA_PRD *TempPrdAddr;\r | |
2145 | UINT8 RegisterValue;\r | |
2146 | UINT8 Device;\r | |
2147 | UINT64 IoPortForBmic;\r | |
2148 | UINT64 IoPortForBmis;\r | |
2149 | UINT64 IoPortForBmid;\r | |
2150 | EFI_STATUS Status;\r | |
2151 | UINTN PrdTableNum;\r | |
2152 | UINTN ByteCount;\r | |
2153 | UINTN ByteAvailable;\r | |
2154 | UINT8 *PrdBuffer;\r | |
2155 | UINTN RemainBlockNum;\r | |
2156 | UINT8 DeviceControl;\r | |
2157 | \r | |
2158 | //\r | |
2159 | // Channel and device differential. Select device.\r | |
2160 | //\r | |
2161 | Device = (UINT8) ((IdeDev->Device << 4) | 0xe0);\r | |
2162 | \r | |
2163 | //\r | |
2164 | // Enable interrupt to support UDMA and Select device\r | |
2165 | //\r | |
2166 | DeviceControl = 0;\r | |
2167 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Alt.DeviceControl, DeviceControl);\r | |
2168 | \r | |
2169 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Head, Device);\r | |
2170 | \r | |
2171 | if (IdePrimary == IdeDev->Channel) {\r | |
2172 | IoPortForBmic = IdeDev->IoPort->BusMasterBaseAddr + BMICP_OFFSET;\r | |
2173 | IoPortForBmis = IdeDev->IoPort->BusMasterBaseAddr + BMISP_OFFSET;\r | |
2174 | IoPortForBmid = IdeDev->IoPort->BusMasterBaseAddr + BMIDP_OFFSET;\r | |
2175 | } else {\r | |
2176 | if (IdeSecondary == IdeDev->Channel) {\r | |
2177 | IoPortForBmic = IdeDev->IoPort->BusMasterBaseAddr + BMICS_OFFSET;\r | |
2178 | IoPortForBmis = IdeDev->IoPort->BusMasterBaseAddr + BMISS_OFFSET;\r | |
2179 | IoPortForBmid = IdeDev->IoPort->BusMasterBaseAddr + BMIDS_OFFSET;\r | |
2180 | } else {\r | |
2181 | return EFI_UNSUPPORTED;\r | |
2182 | }\r | |
2183 | }\r | |
2184 | \r | |
2185 | RemainBlockNum = NumberOfBlocks;\r | |
2186 | while (RemainBlockNum > 0) {\r | |
2187 | \r | |
2188 | if (RemainBlockNum >= MAX_DMA_EXT_COMMAND_SECTORS) {\r | |
2189 | //\r | |
2190 | // SectorCount is used to record the number of sectors to be read\r | |
2191 | // Max 65536 sectors can be transfered at a time.\r | |
2192 | //\r | |
2193 | NumberOfBlocks = MAX_DMA_EXT_COMMAND_SECTORS;\r | |
2194 | RemainBlockNum -= MAX_DMA_EXT_COMMAND_SECTORS;\r | |
2195 | } else {\r | |
2196 | NumberOfBlocks = (UINT16) RemainBlockNum;\r | |
2197 | RemainBlockNum = 0;\r | |
2198 | }\r | |
2199 | \r | |
2200 | //\r | |
2201 | // Calculate the number of PRD table to make sure the memory region\r | |
2202 | // not cross 64K boundary\r | |
2203 | //\r | |
2204 | ByteCount = NumberOfBlocks * IdeDev->BlkIo.Media->BlockSize;\r | |
2205 | PrdTableNum = ((ByteCount >> 16) + 1) + 1;\r | |
2206 | \r | |
2207 | //\r | |
2208 | // Build PRD table\r | |
2209 | //\r | |
2210 | PrdAddr = (IDE_DMA_PRD *) AllocateZeroPool ((2 * PrdTableNum * sizeof (IDE_DMA_PRD)));\r | |
2211 | \r | |
2212 | //\r | |
2213 | // To make sure PRD is allocated in one 64K page\r | |
2214 | //\r | |
2215 | if (((UINTN) PrdAddr & 0x0FFFF) > (((UINTN) PrdAddr + PrdTableNum * sizeof (IDE_DMA_PRD) - 1) & 0x0FFFF)) {\r | |
2216 | UsedPrdAddr = (IDE_DMA_PRD *) ((UINTN) ((UINT8 *) PrdAddr + 0x10000) & 0xFFFF0000);\r | |
2217 | } else {\r | |
2218 | if ((UINTN) PrdAddr & 0x03) {\r | |
2219 | UsedPrdAddr = (IDE_DMA_PRD *) ((UINTN) ((UINT8 *) PrdAddr + 0x04) & 0xFFFFFFFC);\r | |
2220 | } else {\r | |
2221 | UsedPrdAddr = PrdAddr;\r | |
2222 | }\r | |
2223 | }\r | |
2224 | \r | |
2225 | //\r | |
2226 | // Build the PRD table\r | |
2227 | //\r | |
2228 | PrdBuffer = DataBuffer;\r | |
2229 | TempPrdAddr = UsedPrdAddr;\r | |
2230 | while (TRUE) {\r | |
2231 | \r | |
2232 | ByteAvailable = 0x10000 - ((UINTN) PrdBuffer & 0xFFFF);\r | |
2233 | \r | |
2234 | if (ByteCount <= ByteAvailable) {\r | |
2235 | TempPrdAddr->RegionBaseAddr = (UINT32) ((UINTN) PrdBuffer);\r | |
2236 | TempPrdAddr->ByteCount = (UINT16) ByteCount;\r | |
2237 | TempPrdAddr->EndOfTable = 0x8000;\r | |
2238 | break;\r | |
2239 | }\r | |
2240 | \r | |
2241 | TempPrdAddr->RegionBaseAddr = (UINT32) ((UINTN) PrdBuffer);\r | |
2242 | TempPrdAddr->ByteCount = (UINT16) ByteAvailable;\r | |
2243 | \r | |
2244 | ByteCount -= ByteAvailable;\r | |
2245 | PrdBuffer += ByteAvailable;\r | |
2246 | TempPrdAddr++;\r | |
2247 | }\r | |
2248 | \r | |
2249 | //\r | |
2250 | // Set the base address to BMID register\r | |
2251 | //\r | |
2252 | IdeDev->PciIo->Io.Write (\r | |
2253 | IdeDev->PciIo,\r | |
2254 | EfiPciIoWidthUint32,\r | |
2255 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2256 | IoPortForBmid,\r | |
2257 | 1,\r | |
2258 | &UsedPrdAddr\r | |
2259 | );\r | |
2260 | \r | |
2261 | //\r | |
2262 | // Set BMIC register to identify the operation direction\r | |
2263 | //\r | |
2264 | IdeDev->PciIo->Io.Read (\r | |
2265 | IdeDev->PciIo,\r | |
2266 | EfiPciIoWidthUint8,\r | |
2267 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2268 | IoPortForBmic,\r | |
2269 | 1,\r | |
2270 | &RegisterValue\r | |
2271 | );\r | |
2272 | \r | |
2273 | RegisterValue |= BMIC_nREAD;\r | |
2274 | \r | |
2275 | IdeDev->PciIo->Io.Write (\r | |
2276 | IdeDev->PciIo,\r | |
2277 | EfiPciIoWidthUint8,\r | |
2278 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2279 | IoPortForBmic,\r | |
2280 | 1,\r | |
2281 | &RegisterValue\r | |
2282 | );\r | |
2283 | \r | |
2284 | //\r | |
2285 | // Read BMIS register and clear ERROR and INTR bit\r | |
2286 | //\r | |
2287 | IdeDev->PciIo->Io.Read (\r | |
2288 | IdeDev->PciIo,\r | |
2289 | EfiPciIoWidthUint8,\r | |
2290 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2291 | IoPortForBmis,\r | |
2292 | 1,\r | |
2293 | &RegisterValue\r | |
2294 | );\r | |
2295 | \r | |
2296 | RegisterValue |= BMIS_INTERRUPT | BMIS_ERROR;\r | |
2297 | \r | |
2298 | IdeDev->PciIo->Io.Write (\r | |
2299 | IdeDev->PciIo,\r | |
2300 | EfiPciIoWidthUint8,\r | |
2301 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2302 | IoPortForBmis,\r | |
2303 | 1,\r | |
2304 | &RegisterValue\r | |
2305 | );\r | |
2306 | \r | |
2307 | //\r | |
2308 | // Issue READ DMA EXT command\r | |
2309 | //\r | |
2310 | Status = AtaCommandIssueExt (\r | |
2311 | IdeDev,\r | |
2312 | READ_DMA_EXT_CMD,\r | |
2313 | Device,\r | |
2314 | 0,\r | |
2315 | (UINT16) NumberOfBlocks,\r | |
2316 | StartLba\r | |
2317 | );\r | |
2318 | if (EFI_ERROR (Status)) {\r | |
2319 | gBS->FreePool (PrdAddr);\r | |
2320 | return EFI_DEVICE_ERROR;\r | |
2321 | }\r | |
2322 | \r | |
2323 | //\r | |
2324 | // Set START bit of BMIC register\r | |
2325 | //\r | |
2326 | IdeDev->PciIo->Io.Read (\r | |
2327 | IdeDev->PciIo,\r | |
2328 | EfiPciIoWidthUint8,\r | |
2329 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2330 | IoPortForBmic,\r | |
2331 | 1,\r | |
2332 | &RegisterValue\r | |
2333 | );\r | |
2334 | \r | |
2335 | RegisterValue |= BMIC_START;\r | |
2336 | \r | |
2337 | IdeDev->PciIo->Io.Write (\r | |
2338 | IdeDev->PciIo,\r | |
2339 | EfiPciIoWidthUint8,\r | |
2340 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2341 | IoPortForBmic,\r | |
2342 | 1,\r | |
2343 | &RegisterValue\r | |
2344 | );\r | |
2345 | \r | |
2346 | //\r | |
2347 | // Check the INTERRUPT and ERROR bit of BMIS\r | |
2348 | //\r | |
2349 | while (TRUE) {\r | |
2350 | \r | |
2351 | IdeDev->PciIo->Io.Read (\r | |
2352 | IdeDev->PciIo,\r | |
2353 | EfiPciIoWidthUint8,\r | |
2354 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2355 | IoPortForBmis,\r | |
2356 | 1,\r | |
2357 | &RegisterValue\r | |
2358 | );\r | |
2359 | if (RegisterValue & (BMIS_INTERRUPT | BMIS_ERROR)) {\r | |
2360 | if (RegisterValue & BMIS_ERROR) {\r | |
2361 | gBS->FreePool (PrdAddr);\r | |
2362 | return EFI_DEVICE_ERROR;\r | |
2363 | }\r | |
2364 | break;\r | |
2365 | }\r | |
2366 | \r | |
2367 | gBS->Stall (1000);\r | |
2368 | }\r | |
2369 | \r | |
2370 | gBS->FreePool (PrdAddr);\r | |
2371 | \r | |
2372 | //\r | |
2373 | // Set START bit of BMIC register\r | |
2374 | //\r | |
2375 | IdeDev->PciIo->Io.Read (\r | |
2376 | IdeDev->PciIo,\r | |
2377 | EfiPciIoWidthUint8,\r | |
2378 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2379 | IoPortForBmic,\r | |
2380 | 1,\r | |
2381 | &RegisterValue\r | |
2382 | );\r | |
2383 | \r | |
2384 | RegisterValue &= ~((UINT8) BMIC_START);\r | |
2385 | \r | |
2386 | IdeDev->PciIo->Io.Write (\r | |
2387 | IdeDev->PciIo,\r | |
2388 | EfiPciIoWidthUint8,\r | |
2389 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2390 | IoPortForBmic,\r | |
2391 | 1,\r | |
2392 | &RegisterValue\r | |
2393 | );\r | |
2394 | \r | |
2395 | if (RegisterValue & BMIS_ERROR) {\r | |
2396 | return EFI_DEVICE_ERROR;\r | |
2397 | }\r | |
2398 | \r | |
2399 | DataBuffer = (UINT8 *) DataBuffer + NumberOfBlocks * IdeDev->BlkIo.Media->BlockSize;\r | |
2400 | StartLba += NumberOfBlocks;\r | |
2401 | }\r | |
2402 | \r | |
2403 | return EFI_SUCCESS;\r | |
2404 | }\r | |
2405 | \r | |
ed72955c | 2406 | /**\r |
2407 | This function is called by the AtaBlkIoReadBlocks() to perform\r | |
2408 | reading from media in block unit. The function has been enhanced to \r | |
2409 | support >120GB access and transfer at most 65536 blocks per command\r | |
2410 | \r | |
2411 | @param[in] *IdeDev\r | |
2412 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
2413 | to record all the information of the IDE device.\r | |
2414 | \r | |
2415 | @param[in] *DataBuffer A pointer to the destination buffer for the data. \r | |
2416 | @param[in] StartLba The starting logical block address to read from \r | |
2417 | on the device media.\r | |
2418 | @param[in] NumberOfBlocks The number of transfer data blocks.\r | |
2419 | \r | |
2420 | @return The device status of UDMA operation. If the operation is\r | |
2421 | successful, return EFI_SUCCESS.\r | |
2422 | \r | |
2423 | TODO: EFI_UNSUPPORTED - add return value to function comment\r | |
2424 | TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
2425 | TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
2426 | TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
2427 | **/\r | |
878ddf1f | 2428 | EFI_STATUS\r |
2429 | AtaUdmaRead (\r | |
2430 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
2431 | IN VOID *DataBuffer,\r | |
2432 | IN EFI_LBA StartLba,\r | |
2433 | IN UINTN NumberOfBlocks\r | |
2434 | )\r | |
878ddf1f | 2435 | {\r |
2436 | IDE_DMA_PRD *PrdAddr;\r | |
2437 | IDE_DMA_PRD *UsedPrdAddr;\r | |
2438 | IDE_DMA_PRD *TempPrdAddr;\r | |
2439 | UINT8 RegisterValue;\r | |
2440 | UINT8 Device;\r | |
2441 | UINT64 IoPortForBmic;\r | |
2442 | UINT64 IoPortForBmis;\r | |
2443 | UINT64 IoPortForBmid;\r | |
2444 | EFI_STATUS Status;\r | |
2445 | UINTN PrdTableNum;\r | |
2446 | UINTN ByteCount;\r | |
2447 | UINTN ByteAvailable;\r | |
2448 | UINT8 *PrdBuffer;\r | |
2449 | UINTN RemainBlockNum;\r | |
2450 | UINT8 DeviceControl;\r | |
2451 | \r | |
2452 | //\r | |
2453 | // Channel and device differential\r | |
2454 | //\r | |
2455 | Device = (UINT8) ((IdeDev->Device << 4) | 0xe0);\r | |
2456 | \r | |
2457 | //\r | |
2458 | // Enable interrupt to support UDMA and Select device\r | |
2459 | //\r | |
2460 | DeviceControl = 0;\r | |
2461 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Alt.DeviceControl, DeviceControl);\r | |
2462 | \r | |
2463 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Head, Device);\r | |
2464 | \r | |
2465 | if (IdePrimary == IdeDev->Channel) {\r | |
2466 | IoPortForBmic = IdeDev->IoPort->BusMasterBaseAddr + BMICP_OFFSET;\r | |
2467 | IoPortForBmis = IdeDev->IoPort->BusMasterBaseAddr + BMISP_OFFSET;\r | |
2468 | IoPortForBmid = IdeDev->IoPort->BusMasterBaseAddr + BMIDP_OFFSET;\r | |
2469 | } else {\r | |
2470 | if (IdeSecondary == IdeDev->Channel) {\r | |
2471 | IoPortForBmic = IdeDev->IoPort->BusMasterBaseAddr + BMICS_OFFSET;\r | |
2472 | IoPortForBmis = IdeDev->IoPort->BusMasterBaseAddr + BMISS_OFFSET;\r | |
2473 | IoPortForBmid = IdeDev->IoPort->BusMasterBaseAddr + BMIDS_OFFSET;\r | |
2474 | } else {\r | |
2475 | return EFI_UNSUPPORTED;\r | |
2476 | }\r | |
2477 | }\r | |
2478 | \r | |
2479 | RemainBlockNum = NumberOfBlocks;\r | |
2480 | while (RemainBlockNum > 0) {\r | |
2481 | \r | |
2482 | if (RemainBlockNum >= MAX_DMA_COMMAND_SECTORS) {\r | |
2483 | //\r | |
2484 | // SectorCount is used to record the number of sectors to be read\r | |
2485 | // Max 256 sectors can be transfered at a time.\r | |
2486 | //\r | |
2487 | NumberOfBlocks = MAX_DMA_COMMAND_SECTORS;\r | |
2488 | RemainBlockNum -= MAX_DMA_COMMAND_SECTORS;\r | |
2489 | } else {\r | |
2490 | NumberOfBlocks = (UINT16) RemainBlockNum;\r | |
2491 | RemainBlockNum = 0;\r | |
2492 | }\r | |
2493 | \r | |
2494 | //\r | |
2495 | // Calculate the number of PRD table to make sure the memory region\r | |
2496 | // not cross 64K boundary\r | |
2497 | //\r | |
2498 | ByteCount = NumberOfBlocks * IdeDev->BlkIo.Media->BlockSize;\r | |
2499 | PrdTableNum = ((ByteCount >> 16) + 1) + 1;\r | |
2500 | \r | |
2501 | //\r | |
2502 | // Build PRD table\r | |
2503 | //\r | |
2504 | PrdAddr = (IDE_DMA_PRD *) AllocateZeroPool ((2 * PrdTableNum * sizeof (IDE_DMA_PRD)));\r | |
2505 | //\r | |
2506 | // To make sure PRD is allocated in one 64K page\r | |
2507 | //\r | |
2508 | if (((UINTN) PrdAddr & 0x0FFFF) > (((UINTN) PrdAddr + PrdTableNum * sizeof (IDE_DMA_PRD) - 1) & 0x0FFFF)) {\r | |
2509 | UsedPrdAddr = (IDE_DMA_PRD *) ((UINTN) ((UINT8 *) PrdAddr + 0x10000) & 0xFFFF0000);\r | |
2510 | } else {\r | |
2511 | if ((UINTN) PrdAddr & 0x03) {\r | |
2512 | UsedPrdAddr = (IDE_DMA_PRD *) ((UINTN) ((UINT8 *) PrdAddr + 0x04) & 0xFFFFFFFC);\r | |
2513 | } else {\r | |
2514 | UsedPrdAddr = PrdAddr;\r | |
2515 | }\r | |
2516 | }\r | |
2517 | \r | |
2518 | //\r | |
2519 | // Build the PRD table\r | |
2520 | //\r | |
2521 | PrdBuffer = DataBuffer;\r | |
2522 | TempPrdAddr = UsedPrdAddr;\r | |
2523 | while (TRUE) {\r | |
2524 | \r | |
2525 | ByteAvailable = 0x10000 - ((UINTN) PrdBuffer & 0xFFFF);\r | |
2526 | \r | |
2527 | if (ByteCount <= ByteAvailable) {\r | |
2528 | TempPrdAddr->RegionBaseAddr = (UINT32) ((UINTN) PrdBuffer);\r | |
2529 | TempPrdAddr->ByteCount = (UINT16) ByteCount;\r | |
2530 | TempPrdAddr->EndOfTable = 0x8000;\r | |
2531 | break;\r | |
2532 | }\r | |
2533 | \r | |
2534 | TempPrdAddr->RegionBaseAddr = (UINT32) ((UINTN) PrdBuffer);\r | |
2535 | TempPrdAddr->ByteCount = (UINT16) ByteAvailable;\r | |
2536 | \r | |
2537 | ByteCount -= ByteAvailable;\r | |
2538 | PrdBuffer += ByteAvailable;\r | |
2539 | TempPrdAddr++;\r | |
2540 | }\r | |
2541 | \r | |
2542 | //\r | |
2543 | // Set the base address to BMID register\r | |
2544 | //\r | |
2545 | IdeDev->PciIo->Io.Write (\r | |
2546 | IdeDev->PciIo,\r | |
2547 | EfiPciIoWidthUint32,\r | |
2548 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2549 | IoPortForBmid,\r | |
2550 | 1,\r | |
2551 | &UsedPrdAddr\r | |
2552 | );\r | |
2553 | \r | |
2554 | //\r | |
2555 | // Set BMIC register to identify the operation direction\r | |
2556 | //\r | |
2557 | IdeDev->PciIo->Io.Read (\r | |
2558 | IdeDev->PciIo,\r | |
2559 | EfiPciIoWidthUint8,\r | |
2560 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2561 | IoPortForBmic,\r | |
2562 | 1,\r | |
2563 | &RegisterValue\r | |
2564 | );\r | |
2565 | \r | |
2566 | RegisterValue |= BMIC_nREAD;\r | |
2567 | \r | |
2568 | IdeDev->PciIo->Io.Write (\r | |
2569 | IdeDev->PciIo,\r | |
2570 | EfiPciIoWidthUint8,\r | |
2571 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2572 | IoPortForBmic,\r | |
2573 | 1,\r | |
2574 | &RegisterValue\r | |
2575 | );\r | |
2576 | \r | |
2577 | //\r | |
2578 | // Read BMIS register and clear ERROR and INTR bit\r | |
2579 | //\r | |
2580 | IdeDev->PciIo->Io.Read (\r | |
2581 | IdeDev->PciIo,\r | |
2582 | EfiPciIoWidthUint8,\r | |
2583 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2584 | IoPortForBmis,\r | |
2585 | 1,\r | |
2586 | &RegisterValue\r | |
2587 | );\r | |
2588 | \r | |
2589 | RegisterValue |= (BMIS_INTERRUPT | BMIS_ERROR);\r | |
2590 | \r | |
2591 | IdeDev->PciIo->Io.Write (\r | |
2592 | IdeDev->PciIo,\r | |
2593 | EfiPciIoWidthUint8,\r | |
2594 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2595 | IoPortForBmis,\r | |
2596 | 1,\r | |
2597 | &RegisterValue\r | |
2598 | );\r | |
2599 | \r | |
2600 | //\r | |
2601 | // Issue READ DMA command\r | |
2602 | //\r | |
2603 | Status = AtaCommandIssue (\r | |
2604 | IdeDev,\r | |
2605 | READ_DMA_CMD,\r | |
2606 | Device,\r | |
2607 | 0,\r | |
2608 | (UINT16) NumberOfBlocks,\r | |
2609 | StartLba\r | |
2610 | );\r | |
2611 | if (EFI_ERROR (Status)) {\r | |
2612 | gBS->FreePool (PrdAddr);\r | |
2613 | return EFI_DEVICE_ERROR;\r | |
2614 | }\r | |
2615 | \r | |
2616 | //\r | |
2617 | // Set START bit of BMIC register\r | |
2618 | //\r | |
2619 | IdeDev->PciIo->Io.Read (\r | |
2620 | IdeDev->PciIo,\r | |
2621 | EfiPciIoWidthUint8,\r | |
2622 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2623 | IoPortForBmic,\r | |
2624 | 1,\r | |
2625 | &RegisterValue\r | |
2626 | );\r | |
2627 | \r | |
2628 | RegisterValue |= BMIC_START;\r | |
2629 | \r | |
2630 | IdeDev->PciIo->Io.Write (\r | |
2631 | IdeDev->PciIo,\r | |
2632 | EfiPciIoWidthUint8,\r | |
2633 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2634 | IoPortForBmic,\r | |
2635 | 1,\r | |
2636 | &RegisterValue\r | |
2637 | );\r | |
2638 | \r | |
2639 | //\r | |
2640 | // Check the INTERRUPT and ERROR bit of BMIS\r | |
2641 | //\r | |
2642 | while (TRUE) {\r | |
2643 | \r | |
2644 | IdeDev->PciIo->Io.Read (\r | |
2645 | IdeDev->PciIo,\r | |
2646 | EfiPciIoWidthUint8,\r | |
2647 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2648 | IoPortForBmis,\r | |
2649 | 1,\r | |
2650 | &RegisterValue\r | |
2651 | );\r | |
2652 | if (RegisterValue & (BMIS_INTERRUPT | BMIS_ERROR)) {\r | |
2653 | if (RegisterValue & BMIS_ERROR) {\r | |
2654 | gBS->FreePool (PrdAddr);\r | |
2655 | return EFI_DEVICE_ERROR;\r | |
2656 | }\r | |
2657 | break;\r | |
2658 | }\r | |
2659 | \r | |
2660 | gBS->Stall (1000);\r | |
2661 | }\r | |
2662 | \r | |
2663 | gBS->FreePool (PrdAddr);\r | |
2664 | \r | |
2665 | //\r | |
2666 | // Set START bit of BMIC register\r | |
2667 | //\r | |
2668 | IdeDev->PciIo->Io.Read (\r | |
2669 | IdeDev->PciIo,\r | |
2670 | EfiPciIoWidthUint8,\r | |
2671 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2672 | IoPortForBmic,\r | |
2673 | 1,\r | |
2674 | &RegisterValue\r | |
2675 | );\r | |
2676 | \r | |
2677 | RegisterValue &= ~((UINT8) BMIC_START);\r | |
2678 | \r | |
2679 | IdeDev->PciIo->Io.Write (\r | |
2680 | IdeDev->PciIo,\r | |
2681 | EfiPciIoWidthUint8,\r | |
2682 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2683 | IoPortForBmic,\r | |
2684 | 1,\r | |
2685 | &RegisterValue\r | |
2686 | );\r | |
2687 | \r | |
2688 | if (RegisterValue & BMIS_ERROR) {\r | |
2689 | return EFI_DEVICE_ERROR;\r | |
2690 | }\r | |
2691 | \r | |
2692 | DataBuffer = (UINT8 *) DataBuffer + NumberOfBlocks * IdeDev->BlkIo.Media->BlockSize;\r | |
2693 | StartLba += NumberOfBlocks;\r | |
2694 | }\r | |
2695 | \r | |
2696 | return EFI_SUCCESS;\r | |
2697 | }\r | |
2698 | \r | |
ed72955c | 2699 | /**\r |
2700 | This function is called by the AtaBlkIoWriteBlocks() to perform\r | |
2701 | writing to media in block unit. The function has been enhanced to \r | |
2702 | support >120GB access and transfer at most 65536 blocks per command\r | |
2703 | \r | |
2704 | @param[in] *IdeDev pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
2705 | to record all the information of the IDE device.\r | |
2706 | \r | |
2707 | @param[in] *DataBuffer A pointer to the source buffer for the data. \r | |
2708 | \r | |
2709 | @param[in] StartLba The starting logical block address to write to \r | |
2710 | on the device media.\r | |
2711 | \r | |
2712 | @param[in] NumberOfBlocks The number of transfer data blocks.\r | |
2713 | \r | |
2714 | @return The device status of UDMA operation. If the operation is\r | |
2715 | successful, return EFI_SUCCESS.\r | |
2716 | \r | |
2717 | TODO: EFI_UNSUPPORTED - add return value to function comment\r | |
2718 | TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
2719 | TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
2720 | **/\r | |
878ddf1f | 2721 | EFI_STATUS\r |
2722 | AtaUdmaWriteExt (\r | |
2723 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
2724 | IN VOID *DataBuffer,\r | |
2725 | IN EFI_LBA StartLba,\r | |
2726 | IN UINTN NumberOfBlocks\r | |
2727 | )\r | |
878ddf1f | 2728 | {\r |
2729 | IDE_DMA_PRD *PrdAddr;\r | |
2730 | IDE_DMA_PRD *UsedPrdAddr;\r | |
2731 | IDE_DMA_PRD *TempPrdAddr;\r | |
2732 | UINT8 RegisterValue;\r | |
2733 | UINT8 Device;\r | |
2734 | UINT64 IoPortForBmic;\r | |
2735 | UINT64 IoPortForBmis;\r | |
2736 | UINT64 IoPortForBmid;\r | |
2737 | EFI_STATUS Status;\r | |
2738 | UINTN PrdTableNum;\r | |
2739 | UINTN ByteCount;\r | |
2740 | UINTN ByteAvailable;\r | |
2741 | UINT8 *PrdBuffer;\r | |
2742 | UINTN RemainBlockNum;\r | |
2743 | UINT8 DeviceControl;\r | |
2744 | \r | |
2745 | //\r | |
2746 | // Channel and device differential\r | |
2747 | //\r | |
2748 | Device = (UINT8) ((IdeDev->Device << 4) | 0xe0);\r | |
2749 | \r | |
2750 | //\r | |
2751 | // Enable interrupt to support UDMA and Select device\r | |
2752 | //\r | |
2753 | DeviceControl = 0;\r | |
2754 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Alt.DeviceControl, DeviceControl);\r | |
2755 | \r | |
2756 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Head, Device);\r | |
2757 | \r | |
2758 | if (IdePrimary == IdeDev->Channel) {\r | |
2759 | IoPortForBmic = IdeDev->IoPort->BusMasterBaseAddr + BMICP_OFFSET;\r | |
2760 | IoPortForBmis = IdeDev->IoPort->BusMasterBaseAddr + BMISP_OFFSET;\r | |
2761 | IoPortForBmid = IdeDev->IoPort->BusMasterBaseAddr + BMIDP_OFFSET;\r | |
2762 | } else {\r | |
2763 | if (IdeSecondary == IdeDev->Channel) {\r | |
2764 | IoPortForBmic = IdeDev->IoPort->BusMasterBaseAddr + BMICS_OFFSET;\r | |
2765 | IoPortForBmis = IdeDev->IoPort->BusMasterBaseAddr + BMISS_OFFSET;\r | |
2766 | IoPortForBmid = IdeDev->IoPort->BusMasterBaseAddr + BMIDS_OFFSET;\r | |
2767 | } else {\r | |
2768 | return EFI_UNSUPPORTED;\r | |
2769 | }\r | |
2770 | }\r | |
2771 | \r | |
2772 | RemainBlockNum = NumberOfBlocks;\r | |
2773 | while (RemainBlockNum > 0) {\r | |
2774 | \r | |
2775 | if (RemainBlockNum >= MAX_DMA_EXT_COMMAND_SECTORS) {\r | |
2776 | //\r | |
2777 | // SectorCount is used to record the number of sectors to be read\r | |
2778 | // Max 65536 sectors can be transfered at a time.\r | |
2779 | //\r | |
2780 | NumberOfBlocks = MAX_DMA_EXT_COMMAND_SECTORS;\r | |
2781 | RemainBlockNum -= MAX_DMA_EXT_COMMAND_SECTORS;\r | |
2782 | } else {\r | |
2783 | NumberOfBlocks = (UINT16) RemainBlockNum;\r | |
2784 | RemainBlockNum = 0;\r | |
2785 | }\r | |
2786 | \r | |
2787 | //\r | |
2788 | // Calculate the number of PRD table to make sure the memory region\r | |
2789 | // not cross 64K boundary\r | |
2790 | //\r | |
2791 | ByteCount = NumberOfBlocks * IdeDev->BlkIo.Media->BlockSize;\r | |
2792 | PrdTableNum = ((ByteCount >> 16) + 1) + 1;\r | |
2793 | \r | |
2794 | //\r | |
2795 | // Build PRD table\r | |
2796 | //\r | |
2797 | PrdAddr = (IDE_DMA_PRD *) AllocateZeroPool ((2 * PrdTableNum * sizeof (IDE_DMA_PRD)));\r | |
2798 | //\r | |
2799 | // To make sure PRD is allocated in one 64K page\r | |
2800 | //\r | |
2801 | if (((UINTN) PrdAddr & 0x0FFFF) > (((UINTN) PrdAddr + PrdTableNum * sizeof (IDE_DMA_PRD) - 1) & 0x0FFFF)) {\r | |
2802 | UsedPrdAddr = (IDE_DMA_PRD *) ((UINTN) ((UINT8 *) PrdAddr + 0x10000) & 0xFFFF0000);\r | |
2803 | } else {\r | |
2804 | if ((UINTN) PrdAddr & 0x03) {\r | |
2805 | UsedPrdAddr = (IDE_DMA_PRD *) ((UINTN) ((UINT8 *) PrdAddr + 0x04) & 0xFFFFFFFC);\r | |
2806 | } else {\r | |
2807 | UsedPrdAddr = PrdAddr;\r | |
2808 | }\r | |
2809 | }\r | |
2810 | \r | |
2811 | //\r | |
2812 | // Build the PRD table\r | |
2813 | //\r | |
2814 | PrdBuffer = DataBuffer;\r | |
2815 | TempPrdAddr = UsedPrdAddr;\r | |
2816 | while (TRUE) {\r | |
2817 | \r | |
2818 | ByteAvailable = 0x10000 - ((UINTN) PrdBuffer & 0xFFFF);\r | |
2819 | \r | |
2820 | if (ByteCount <= ByteAvailable) {\r | |
2821 | TempPrdAddr->RegionBaseAddr = (UINT32) ((UINTN) PrdBuffer);\r | |
2822 | TempPrdAddr->ByteCount = (UINT16) ByteCount;\r | |
2823 | TempPrdAddr->EndOfTable = 0x8000;\r | |
2824 | break;\r | |
2825 | }\r | |
2826 | \r | |
2827 | TempPrdAddr->RegionBaseAddr = (UINT32) ((UINTN) PrdBuffer);\r | |
2828 | TempPrdAddr->ByteCount = (UINT16) ByteAvailable;\r | |
2829 | \r | |
2830 | ByteCount -= ByteAvailable;\r | |
2831 | PrdBuffer += ByteAvailable;\r | |
2832 | TempPrdAddr++;\r | |
2833 | }\r | |
2834 | \r | |
2835 | //\r | |
2836 | // Set the base address to BMID register\r | |
2837 | //\r | |
2838 | IdeDev->PciIo->Io.Write (\r | |
2839 | IdeDev->PciIo,\r | |
2840 | EfiPciIoWidthUint32,\r | |
2841 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2842 | IoPortForBmid,\r | |
2843 | 1,\r | |
2844 | &UsedPrdAddr\r | |
2845 | );\r | |
2846 | \r | |
2847 | //\r | |
2848 | // Set BMIC register to identify the operation direction\r | |
2849 | //\r | |
2850 | IdeDev->PciIo->Io.Read (\r | |
2851 | IdeDev->PciIo,\r | |
2852 | EfiPciIoWidthUint8,\r | |
2853 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2854 | IoPortForBmic,\r | |
2855 | 1,\r | |
2856 | &RegisterValue\r | |
2857 | );\r | |
2858 | //\r | |
2859 | // 0000 1000\r | |
2860 | //\r | |
2861 | RegisterValue &= ~((UINT8) BMIC_nREAD);\r | |
2862 | \r | |
2863 | IdeDev->PciIo->Io.Write (\r | |
2864 | IdeDev->PciIo,\r | |
2865 | EfiPciIoWidthUint8,\r | |
2866 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2867 | IoPortForBmic,\r | |
2868 | 1,\r | |
2869 | &RegisterValue\r | |
2870 | );\r | |
2871 | \r | |
2872 | //\r | |
2873 | // Read BMIS register and clear ERROR and INTR bit\r | |
2874 | //\r | |
2875 | IdeDev->PciIo->Io.Read (\r | |
2876 | IdeDev->PciIo,\r | |
2877 | EfiPciIoWidthUint8,\r | |
2878 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2879 | IoPortForBmis,\r | |
2880 | 1,\r | |
2881 | &RegisterValue\r | |
2882 | );\r | |
2883 | \r | |
2884 | RegisterValue |= (BMIS_INTERRUPT | BMIS_ERROR);\r | |
2885 | \r | |
2886 | IdeDev->PciIo->Io.Write (\r | |
2887 | IdeDev->PciIo,\r | |
2888 | EfiPciIoWidthUint8,\r | |
2889 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2890 | IoPortForBmis,\r | |
2891 | 1,\r | |
2892 | &RegisterValue\r | |
2893 | );\r | |
2894 | \r | |
2895 | //\r | |
2896 | // Issue WRITE DMA EXT command\r | |
2897 | //\r | |
2898 | Status = AtaCommandIssueExt (\r | |
2899 | IdeDev,\r | |
2900 | WRITE_DMA_EXT_CMD,\r | |
2901 | Device,\r | |
2902 | 0,\r | |
2903 | (UINT16) NumberOfBlocks,\r | |
2904 | StartLba\r | |
2905 | );\r | |
2906 | if (EFI_ERROR (Status)) {\r | |
2907 | gBS->FreePool (PrdAddr);\r | |
2908 | return EFI_DEVICE_ERROR;\r | |
2909 | }\r | |
2910 | \r | |
2911 | //\r | |
2912 | // Set START bit of BMIC register\r | |
2913 | //\r | |
2914 | IdeDev->PciIo->Io.Read (\r | |
2915 | IdeDev->PciIo,\r | |
2916 | EfiPciIoWidthUint8,\r | |
2917 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2918 | IoPortForBmic,\r | |
2919 | 1,\r | |
2920 | &RegisterValue\r | |
2921 | );\r | |
2922 | \r | |
2923 | RegisterValue |= BMIC_START;\r | |
2924 | \r | |
2925 | IdeDev->PciIo->Io.Write (\r | |
2926 | IdeDev->PciIo,\r | |
2927 | EfiPciIoWidthUint8,\r | |
2928 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2929 | IoPortForBmic,\r | |
2930 | 1,\r | |
2931 | &RegisterValue\r | |
2932 | );\r | |
2933 | \r | |
2934 | //\r | |
2935 | // Check the INTERRUPT and ERROR bit of BMIS\r | |
2936 | //\r | |
2937 | while (TRUE) {\r | |
2938 | \r | |
2939 | IdeDev->PciIo->Io.Read (\r | |
2940 | IdeDev->PciIo,\r | |
2941 | EfiPciIoWidthUint8,\r | |
2942 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2943 | IoPortForBmis,\r | |
2944 | 1,\r | |
2945 | &RegisterValue\r | |
2946 | );\r | |
2947 | if (RegisterValue & (BMIS_INTERRUPT | BMIS_ERROR)) {\r | |
2948 | if (RegisterValue & BMIS_ERROR) {\r | |
2949 | gBS->FreePool (PrdAddr);\r | |
2950 | return EFI_DEVICE_ERROR;\r | |
2951 | }\r | |
2952 | break;\r | |
2953 | }\r | |
2954 | \r | |
2955 | gBS->Stall (1000);\r | |
2956 | }\r | |
2957 | \r | |
2958 | gBS->FreePool (PrdAddr);\r | |
2959 | \r | |
2960 | //\r | |
2961 | // Set START bit of BMIC register\r | |
2962 | //\r | |
2963 | IdeDev->PciIo->Io.Read (\r | |
2964 | IdeDev->PciIo,\r | |
2965 | EfiPciIoWidthUint8,\r | |
2966 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2967 | IoPortForBmic,\r | |
2968 | 1,\r | |
2969 | &RegisterValue\r | |
2970 | );\r | |
2971 | \r | |
2972 | RegisterValue &= ~((UINT8) BMIC_START);\r | |
2973 | \r | |
2974 | IdeDev->PciIo->Io.Write (\r | |
2975 | IdeDev->PciIo,\r | |
2976 | EfiPciIoWidthUint8,\r | |
2977 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2978 | IoPortForBmic,\r | |
2979 | 1,\r | |
2980 | &RegisterValue\r | |
2981 | );\r | |
2982 | \r | |
2983 | DataBuffer = (UINT8 *) DataBuffer + NumberOfBlocks * IdeDev->BlkIo.Media->BlockSize;\r | |
2984 | StartLba += NumberOfBlocks;\r | |
2985 | }\r | |
2986 | \r | |
2987 | return EFI_SUCCESS;\r | |
2988 | }\r | |
2989 | \r | |
ed72955c | 2990 | /**\r |
2991 | This function is called by the AtaBlkIoWriteBlocks() to perform\r | |
2992 | writing to media in block unit. The function has been enhanced to \r | |
2993 | support >120GB access and transfer at most 65536 blocks per command\r | |
2994 | \r | |
2995 | @param[in] *IdeDev\r | |
2996 | pointer pointing to IDE_BLK_IO_DEV data structure, used\r | |
2997 | to record all the information of the IDE device.\r | |
2998 | \r | |
2999 | @param[in] *DataBuffer\r | |
3000 | A pointer to the source buffer for the data. \r | |
3001 | \r | |
3002 | @param[in] StartLba\r | |
3003 | The starting logical block address to write to \r | |
3004 | on the device media.\r | |
3005 | \r | |
3006 | @param[in] NumberOfBlocks\r | |
3007 | The number of transfer data blocks.\r | |
3008 | \r | |
3009 | @return The device status of UDMA operation. If the operation is\r | |
3010 | successful, return EFI_SUCCESS.\r | |
3011 | \r | |
3012 | TODO: EFI_UNSUPPORTED - add return value to function comment\r | |
3013 | TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
3014 | TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
3015 | **/\r | |
878ddf1f | 3016 | EFI_STATUS\r |
3017 | AtaUdmaWrite (\r | |
3018 | IN IDE_BLK_IO_DEV *IdeDev,\r | |
3019 | IN VOID *DataBuffer,\r | |
3020 | IN EFI_LBA StartLba,\r | |
3021 | IN UINTN NumberOfBlocks\r | |
3022 | )\r | |
878ddf1f | 3023 | {\r |
3024 | IDE_DMA_PRD *PrdAddr;\r | |
3025 | IDE_DMA_PRD *UsedPrdAddr;\r | |
3026 | IDE_DMA_PRD *TempPrdAddr;\r | |
3027 | UINT8 RegisterValue;\r | |
3028 | UINT8 Device;\r | |
3029 | UINT64 IoPortForBmic;\r | |
3030 | UINT64 IoPortForBmis;\r | |
3031 | UINT64 IoPortForBmid;\r | |
3032 | EFI_STATUS Status;\r | |
3033 | UINTN PrdTableNum;\r | |
3034 | UINTN ByteCount;\r | |
3035 | UINTN ByteAvailable;\r | |
3036 | UINT8 *PrdBuffer;\r | |
3037 | UINTN RemainBlockNum;\r | |
3038 | UINT8 DeviceControl;\r | |
3039 | \r | |
3040 | //\r | |
3041 | // Channel and device differential\r | |
3042 | //\r | |
3043 | Device = (UINT8) ((IdeDev->Device << 4) | 0xe0);\r | |
3044 | \r | |
3045 | //\r | |
3046 | // Enable interrupt to support UDMA\r | |
3047 | //\r | |
3048 | DeviceControl = 0;\r | |
3049 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Alt.DeviceControl, DeviceControl);\r | |
3050 | \r | |
3051 | IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Head, Device);\r | |
3052 | \r | |
3053 | if (IdePrimary == IdeDev->Channel) {\r | |
3054 | IoPortForBmic = IdeDev->IoPort->BusMasterBaseAddr + BMICP_OFFSET;\r | |
3055 | IoPortForBmis = IdeDev->IoPort->BusMasterBaseAddr + BMISP_OFFSET;\r | |
3056 | IoPortForBmid = IdeDev->IoPort->BusMasterBaseAddr + BMIDP_OFFSET;\r | |
3057 | } else {\r | |
3058 | if (IdeSecondary == IdeDev->Channel) {\r | |
3059 | IoPortForBmic = IdeDev->IoPort->BusMasterBaseAddr + BMICS_OFFSET;\r | |
3060 | IoPortForBmis = IdeDev->IoPort->BusMasterBaseAddr + BMISS_OFFSET;\r | |
3061 | IoPortForBmid = IdeDev->IoPort->BusMasterBaseAddr + BMIDS_OFFSET;\r | |
3062 | } else {\r | |
3063 | return EFI_UNSUPPORTED;\r | |
3064 | }\r | |
3065 | }\r | |
3066 | \r | |
3067 | RemainBlockNum = NumberOfBlocks;\r | |
3068 | while (RemainBlockNum > 0) {\r | |
3069 | \r | |
3070 | if (RemainBlockNum >= MAX_DMA_COMMAND_SECTORS) {\r | |
3071 | //\r | |
3072 | // SectorCount is used to record the number of sectors to be read\r | |
3073 | // Max 256 sectors can be transfered at a time.\r | |
3074 | //\r | |
3075 | NumberOfBlocks = MAX_DMA_COMMAND_SECTORS;\r | |
3076 | RemainBlockNum -= MAX_DMA_COMMAND_SECTORS;\r | |
3077 | } else {\r | |
3078 | NumberOfBlocks = (UINT16) RemainBlockNum;\r | |
3079 | RemainBlockNum = 0;\r | |
3080 | }\r | |
3081 | \r | |
3082 | //\r | |
3083 | // Calculate the number of PRD table to make sure the memory region\r | |
3084 | // not cross 64K boundary\r | |
3085 | //\r | |
3086 | ByteCount = NumberOfBlocks * IdeDev->BlkIo.Media->BlockSize;\r | |
3087 | PrdTableNum = ((ByteCount >> 16) + 1) + 1;\r | |
3088 | \r | |
3089 | //\r | |
3090 | // Build PRD table\r | |
3091 | //\r | |
3092 | PrdAddr = (IDE_DMA_PRD *) AllocateZeroPool ((2 * PrdTableNum * sizeof (IDE_DMA_PRD)));\r | |
3093 | \r | |
3094 | //\r | |
3095 | // To make sure PRD is allocated in one 64K page\r | |
3096 | //\r | |
3097 | if (((UINTN) PrdAddr & 0x0FFFF) > (((UINTN) PrdAddr + PrdTableNum * sizeof (IDE_DMA_PRD) - 1) & 0x0FFFF)) {\r | |
3098 | UsedPrdAddr = (IDE_DMA_PRD *) ((UINTN) ((UINT8 *) PrdAddr + 0x10000) & 0xFFFF0000);\r | |
3099 | } else {\r | |
3100 | if ((UINTN) PrdAddr & 0x03) {\r | |
3101 | UsedPrdAddr = (IDE_DMA_PRD *) ((UINTN) ((UINT8 *) PrdAddr + 0x04) & 0xFFFFFFFC);\r | |
3102 | } else {\r | |
3103 | UsedPrdAddr = PrdAddr;\r | |
3104 | }\r | |
3105 | }\r | |
3106 | \r | |
3107 | //\r | |
3108 | // Build the PRD table\r | |
3109 | //\r | |
3110 | PrdBuffer = DataBuffer;\r | |
3111 | TempPrdAddr = UsedPrdAddr;\r | |
3112 | while (TRUE) {\r | |
3113 | \r | |
3114 | ByteAvailable = 0x10000 - ((UINTN) PrdBuffer & 0xFFFF);\r | |
3115 | \r | |
3116 | if (ByteCount <= ByteAvailable) {\r | |
3117 | TempPrdAddr->RegionBaseAddr = (UINT32) ((UINTN) PrdBuffer);\r | |
3118 | TempPrdAddr->ByteCount = (UINT16) ByteCount;\r | |
3119 | TempPrdAddr->EndOfTable = 0x8000;\r | |
3120 | break;\r | |
3121 | }\r | |
3122 | \r | |
3123 | TempPrdAddr->RegionBaseAddr = (UINT32) ((UINTN) PrdBuffer);\r | |
3124 | TempPrdAddr->ByteCount = (UINT16) ByteAvailable;\r | |
3125 | \r | |
3126 | ByteCount -= ByteAvailable;\r | |
3127 | PrdBuffer += ByteAvailable;\r | |
3128 | TempPrdAddr++;\r | |
3129 | }\r | |
3130 | \r | |
3131 | //\r | |
3132 | // Set the base address to BMID register\r | |
3133 | //\r | |
3134 | IdeDev->PciIo->Io.Write (\r | |
3135 | IdeDev->PciIo,\r | |
3136 | EfiPciIoWidthUint32,\r | |
3137 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
3138 | IoPortForBmid,\r | |
3139 | 1,\r | |
3140 | &UsedPrdAddr\r | |
3141 | );\r | |
3142 | \r | |
3143 | //\r | |
3144 | // Set BMIC register to identify the operation direction\r | |
3145 | //\r | |
3146 | IdeDev->PciIo->Io.Read (\r | |
3147 | IdeDev->PciIo,\r | |
3148 | EfiPciIoWidthUint8,\r | |
3149 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
3150 | IoPortForBmic,\r | |
3151 | 1,\r | |
3152 | &RegisterValue\r | |
3153 | );\r | |
3154 | //\r | |
3155 | // 0000 1000\r | |
3156 | //\r | |
3157 | RegisterValue &= ~((UINT8) BMIC_nREAD);\r | |
3158 | \r | |
3159 | IdeDev->PciIo->Io.Write (\r | |
3160 | IdeDev->PciIo,\r | |
3161 | EfiPciIoWidthUint8,\r | |
3162 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
3163 | IoPortForBmic,\r | |
3164 | 1,\r | |
3165 | &RegisterValue\r | |
3166 | );\r | |
3167 | \r | |
3168 | //\r | |
3169 | // Read BMIS register and clear ERROR and INTR bit\r | |
3170 | //\r | |
3171 | IdeDev->PciIo->Io.Read (\r | |
3172 | IdeDev->PciIo,\r | |
3173 | EfiPciIoWidthUint8,\r | |
3174 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
3175 | IoPortForBmis,\r | |
3176 | 1,\r | |
3177 | &RegisterValue\r | |
3178 | );\r | |
3179 | \r | |
3180 | RegisterValue |= (BMIS_INTERRUPT | BMIS_ERROR);\r | |
3181 | \r | |
3182 | IdeDev->PciIo->Io.Write (\r | |
3183 | IdeDev->PciIo,\r | |
3184 | EfiPciIoWidthUint8,\r | |
3185 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
3186 | IoPortForBmis,\r | |
3187 | 1,\r | |
3188 | &RegisterValue\r | |
3189 | );\r | |
3190 | \r | |
3191 | //\r | |
3192 | // Issue WRITE DMA command\r | |
3193 | //\r | |
3194 | Status = AtaCommandIssue (\r | |
3195 | IdeDev,\r | |
3196 | WRITE_DMA_CMD,\r | |
3197 | Device,\r | |
3198 | 0,\r | |
3199 | (UINT16) NumberOfBlocks,\r | |
3200 | StartLba\r | |
3201 | );\r | |
3202 | if (EFI_ERROR (Status)) {\r | |
3203 | gBS->FreePool (PrdAddr);\r | |
3204 | return EFI_DEVICE_ERROR;\r | |
3205 | }\r | |
3206 | \r | |
3207 | //\r | |
3208 | // Set START bit of BMIC register\r | |
3209 | //\r | |
3210 | IdeDev->PciIo->Io.Read (\r | |
3211 | IdeDev->PciIo,\r | |
3212 | EfiPciIoWidthUint8,\r | |
3213 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
3214 | IoPortForBmic,\r | |
3215 | 1,\r | |
3216 | &RegisterValue\r | |
3217 | );\r | |
3218 | \r | |
3219 | RegisterValue |= BMIC_START;\r | |
3220 | \r | |
3221 | IdeDev->PciIo->Io.Write (\r | |
3222 | IdeDev->PciIo,\r | |
3223 | EfiPciIoWidthUint8,\r | |
3224 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
3225 | IoPortForBmic,\r | |
3226 | 1,\r | |
3227 | &RegisterValue\r | |
3228 | );\r | |
3229 | \r | |
3230 | //\r | |
3231 | // Check the INTERRUPT and ERROR bit of BMIS\r | |
3232 | //\r | |
3233 | while (TRUE) {\r | |
3234 | \r | |
3235 | IdeDev->PciIo->Io.Read (\r | |
3236 | IdeDev->PciIo,\r | |
3237 | EfiPciIoWidthUint8,\r | |
3238 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
3239 | IoPortForBmis,\r | |
3240 | 1,\r | |
3241 | &RegisterValue\r | |
3242 | );\r | |
3243 | if (RegisterValue & (BMIS_INTERRUPT | BMIS_ERROR)) {\r | |
3244 | if (RegisterValue & BMIS_ERROR) {\r | |
3245 | gBS->FreePool (PrdAddr);\r | |
3246 | return EFI_DEVICE_ERROR;\r | |
3247 | }\r | |
3248 | break;\r | |
3249 | }\r | |
3250 | \r | |
3251 | gBS->Stall (1000);\r | |
3252 | }\r | |
3253 | \r | |
3254 | gBS->FreePool (PrdAddr);\r | |
3255 | \r | |
3256 | //\r | |
3257 | // Set START bit of BMIC register\r | |
3258 | //\r | |
3259 | IdeDev->PciIo->Io.Read (\r | |
3260 | IdeDev->PciIo,\r | |
3261 | EfiPciIoWidthUint8,\r | |
3262 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
3263 | IoPortForBmic,\r | |
3264 | 1,\r | |
3265 | &RegisterValue\r | |
3266 | );\r | |
3267 | \r | |
3268 | RegisterValue &= ~((UINT8) BMIC_START);\r | |
3269 | \r | |
3270 | IdeDev->PciIo->Io.Write (\r | |
3271 | IdeDev->PciIo,\r | |
3272 | EfiPciIoWidthUint8,\r | |
3273 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
3274 | IoPortForBmic,\r | |
3275 | 1,\r | |
3276 | &RegisterValue\r | |
3277 | );\r | |
3278 | \r | |
3279 | DataBuffer = (UINT8 *) DataBuffer + NumberOfBlocks * IdeDev->BlkIo.Media->BlockSize;\r | |
3280 | StartLba += NumberOfBlocks;\r | |
3281 | }\r | |
3282 | \r | |
3283 | return EFI_SUCCESS;\r | |
3284 | }\r |