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9060e3ec | 1 | /** @file\r |
2 | PCI resouces support functions implemntation for PCI Bus module.\r | |
3 | \r | |
4 | Copyright (c) 2006 - 2009, Intel Corporation\r | |
5 | All rights reserved. This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "PciBus.h"\r | |
16 | \r | |
17 | /**\r | |
18 | The function is used to skip VGA range.\r | |
19 | \r | |
20 | @param Start Returned start address including VGA range.\r | |
21 | @param Length The length of VGA range.\r | |
22 | \r | |
23 | **/\r | |
24 | VOID\r | |
25 | SkipVGAAperture (\r | |
26 | OUT UINT64 *Start,\r | |
27 | IN UINT64 Length\r | |
28 | )\r | |
29 | {\r | |
30 | UINT64 Original;\r | |
31 | UINT64 Mask;\r | |
32 | UINT64 StartOffset;\r | |
33 | UINT64 LimitOffset;\r | |
34 | \r | |
35 | ASSERT (Start != NULL);\r | |
36 | //\r | |
37 | // For legacy VGA, bit 10 to bit 15 is not decoded\r | |
38 | //\r | |
39 | Mask = 0x3FF;\r | |
40 | \r | |
41 | Original = *Start;\r | |
42 | StartOffset = Original & Mask;\r | |
43 | LimitOffset = ((*Start) + Length - 1) & Mask;\r | |
44 | if (LimitOffset >= VGABASE1) {\r | |
45 | *Start = *Start - StartOffset + VGALIMIT2 + 1;\r | |
46 | }\r | |
47 | }\r | |
48 | \r | |
49 | /**\r | |
50 | This function is used to skip ISA aliasing aperture.\r | |
51 | \r | |
52 | @param Start Returned start address including ISA aliasing aperture.\r | |
53 | @param Length The length of ISA aliasing aperture.\r | |
54 | \r | |
55 | **/\r | |
56 | VOID\r | |
57 | SkipIsaAliasAperture (\r | |
58 | OUT UINT64 *Start,\r | |
59 | IN UINT64 Length\r | |
60 | )\r | |
61 | {\r | |
62 | \r | |
63 | UINT64 Original;\r | |
64 | UINT64 Mask;\r | |
65 | UINT64 StartOffset;\r | |
66 | UINT64 LimitOffset;\r | |
67 | \r | |
68 | ASSERT (Start != NULL);\r | |
69 | \r | |
70 | //\r | |
71 | // For legacy ISA, bit 10 to bit 15 is not decoded\r | |
72 | //\r | |
73 | Mask = 0x3FF;\r | |
74 | \r | |
75 | Original = *Start;\r | |
76 | StartOffset = Original & Mask;\r | |
77 | LimitOffset = ((*Start) + Length - 1) & Mask;\r | |
78 | \r | |
79 | if (LimitOffset >= ISABASE) {\r | |
80 | *Start = *Start - StartOffset + ISALIMIT + 1;\r | |
81 | }\r | |
82 | }\r | |
83 | \r | |
84 | /**\r | |
85 | This function inserts a resource node into the resource list.\r | |
86 | The resource list is sorted in descend order.\r | |
87 | \r | |
88 | @param Bridge PCI resource node for bridge.\r | |
89 | @param ResNode Resource node want to be inserted.\r | |
90 | \r | |
91 | **/\r | |
92 | VOID\r | |
93 | InsertResourceNode (\r | |
94 | IN OUT PCI_RESOURCE_NODE *Bridge,\r | |
95 | IN PCI_RESOURCE_NODE *ResNode\r | |
96 | )\r | |
97 | {\r | |
98 | LIST_ENTRY *CurrentLink;\r | |
99 | PCI_RESOURCE_NODE *Temp;\r | |
100 | UINT64 ResNodeAlignRest;\r | |
101 | UINT64 TempAlignRest;\r | |
102 | \r | |
103 | ASSERT (Bridge != NULL);\r | |
104 | ASSERT (ResNode != NULL);\r | |
105 | \r | |
106 | InsertHeadList (&Bridge->ChildList, &ResNode->Link);\r | |
107 | \r | |
108 | CurrentLink = Bridge->ChildList.ForwardLink->ForwardLink;\r | |
109 | while (CurrentLink != &Bridge->ChildList) {\r | |
110 | Temp = RESOURCE_NODE_FROM_LINK (CurrentLink);\r | |
111 | \r | |
112 | if (ResNode->Alignment > Temp->Alignment) {\r | |
113 | break;\r | |
114 | } else if (ResNode->Alignment == Temp->Alignment) {\r | |
115 | ResNodeAlignRest = ResNode->Length & ResNode->Alignment;\r | |
116 | TempAlignRest = Temp->Length & Temp->Alignment;\r | |
117 | if ((ResNodeAlignRest == 0) || (ResNodeAlignRest >= TempAlignRest)) {\r | |
118 | break;\r | |
119 | }\r | |
120 | }\r | |
121 | \r | |
122 | SwapListEntries (&ResNode->Link, CurrentLink);\r | |
123 | \r | |
124 | CurrentLink = ResNode->Link.ForwardLink;\r | |
125 | }\r | |
126 | }\r | |
127 | \r | |
128 | /**\r | |
129 | This routine is used to merge two different resource trees in need of\r | |
130 | resoure degradation.\r | |
131 | \r | |
132 | For example, if an upstream PPB doesn't support,\r | |
133 | prefetchable memory decoding, the PCI bus driver will choose to call this function\r | |
134 | to merge prefectchable memory resource list into normal memory list.\r | |
135 | \r | |
136 | If the TypeMerge is TRUE, Res resource type is changed to the type of destination resource\r | |
137 | type.\r | |
138 | If Dst is NULL or Res is NULL, ASSERT ().\r | |
139 | \r | |
140 | @param Dst Point to destination resource tree.\r | |
141 | @param Res Point to source resource tree.\r | |
142 | @param TypeMerge If the TypeMerge is TRUE, Res resource type is changed to the type of\r | |
143 | destination resource type.\r | |
144 | \r | |
145 | **/\r | |
146 | VOID\r | |
147 | MergeResourceTree (\r | |
148 | IN PCI_RESOURCE_NODE *Dst,\r | |
149 | IN PCI_RESOURCE_NODE *Res,\r | |
150 | IN BOOLEAN TypeMerge\r | |
151 | )\r | |
152 | {\r | |
153 | \r | |
154 | LIST_ENTRY *CurrentLink;\r | |
155 | PCI_RESOURCE_NODE *Temp;\r | |
156 | \r | |
157 | ASSERT (Dst != NULL);\r | |
158 | ASSERT (Res != NULL);\r | |
159 | \r | |
160 | while (!IsListEmpty (&Res->ChildList)) {\r | |
161 | CurrentLink = Res->ChildList.ForwardLink;\r | |
162 | \r | |
163 | Temp = RESOURCE_NODE_FROM_LINK (CurrentLink);\r | |
164 | \r | |
165 | if (TypeMerge) {\r | |
166 | Temp->ResType = Dst->ResType;\r | |
167 | }\r | |
168 | \r | |
169 | RemoveEntryList (CurrentLink);\r | |
170 | InsertResourceNode (Dst, Temp);\r | |
171 | }\r | |
172 | }\r | |
173 | \r | |
174 | /**\r | |
175 | This function is used to calculate the IO16 aperture\r | |
176 | for a bridge.\r | |
177 | \r | |
178 | @param Bridge PCI resource node for bridge.\r | |
179 | \r | |
180 | **/\r | |
181 | VOID\r | |
182 | CalculateApertureIo16 (\r | |
183 | IN PCI_RESOURCE_NODE *Bridge\r | |
184 | )\r | |
185 | {\r | |
186 | EFI_STATUS Status;\r | |
187 | UINT64 Aperture;\r | |
188 | LIST_ENTRY *CurrentLink;\r | |
189 | PCI_RESOURCE_NODE *Node;\r | |
190 | UINT64 Offset;\r | |
191 | BOOLEAN IsaEnable;\r | |
192 | BOOLEAN VGAEnable;\r | |
193 | EFI_PCI_PLATFORM_POLICY PciPolicy;\r | |
194 | \r | |
195 | //\r | |
196 | // Always assume there is ISA device and VGA device on the platform\r | |
197 | // will be customized later\r | |
198 | //\r | |
199 | IsaEnable = FALSE;\r | |
200 | VGAEnable = FALSE;\r | |
201 | \r | |
202 | //\r | |
203 | // Check PciPlatform policy\r | |
204 | //\r | |
205 | if (gPciPlatformProtocol != NULL) {\r | |
206 | Status = gPciPlatformProtocol->GetPlatformPolicy (\r | |
207 | gPciPlatformProtocol,\r | |
208 | &PciPolicy\r | |
209 | );\r | |
210 | if (!EFI_ERROR (Status)) {\r | |
211 | if ((PciPolicy & EFI_RESERVE_ISA_IO_ALIAS) != 0) {\r | |
212 | IsaEnable = TRUE;\r | |
213 | }\r | |
214 | if ((PciPolicy & EFI_RESERVE_VGA_IO_ALIAS) != 0) {\r | |
215 | VGAEnable = TRUE;\r | |
216 | }\r | |
217 | }\r | |
218 | } else if (gPciOverrideProtocol != NULL) {\r | |
219 | Status = gPciOverrideProtocol->GetPlatformPolicy (\r | |
220 | gPciOverrideProtocol,\r | |
221 | &PciPolicy\r | |
222 | );\r | |
223 | if (!EFI_ERROR (Status)) {\r | |
224 | if ((PciPolicy & EFI_RESERVE_ISA_IO_ALIAS) != 0) {\r | |
225 | IsaEnable = TRUE;\r | |
226 | }\r | |
227 | if ((PciPolicy & EFI_RESERVE_VGA_IO_ALIAS) != 0) {\r | |
228 | VGAEnable = TRUE;\r | |
229 | }\r | |
230 | }\r | |
231 | }\r | |
232 | \r | |
233 | Aperture = 0;\r | |
234 | \r | |
235 | if (Bridge == NULL) {\r | |
236 | return ;\r | |
237 | }\r | |
238 | \r | |
239 | CurrentLink = Bridge->ChildList.ForwardLink;\r | |
240 | \r | |
241 | //\r | |
242 | // Assume the bridge is aligned\r | |
243 | //\r | |
244 | while (CurrentLink != &Bridge->ChildList) {\r | |
245 | \r | |
246 | Node = RESOURCE_NODE_FROM_LINK (CurrentLink);\r | |
247 | \r | |
248 | //\r | |
249 | // Consider the aperture alignment\r | |
250 | //\r | |
251 | Offset = Aperture & (Node->Alignment);\r | |
252 | \r | |
253 | if (Offset != 0) {\r | |
254 | \r | |
255 | Aperture = Aperture + (Node->Alignment + 1) - Offset;\r | |
256 | \r | |
257 | }\r | |
258 | \r | |
259 | //\r | |
260 | // IsaEnable and VGAEnable can not be implemented now.\r | |
261 | // If both of them are enabled, then the IO resource would\r | |
262 | // become too limited to meet the requirement of most of devices.\r | |
263 | //\r | |
264 | if (IsaEnable || VGAEnable) {\r | |
265 | if (!IS_PCI_BRIDGE (&(Node->PciDev->Pci)) && !IS_CARDBUS_BRIDGE (&(Node->PciDev->Pci))) {\r | |
266 | //\r | |
267 | // Check if there is need to support ISA/VGA decoding\r | |
268 | // If so, we need to avoid isa/vga aliasing range\r | |
269 | //\r | |
270 | if (IsaEnable) {\r | |
271 | SkipIsaAliasAperture (\r | |
272 | &Aperture,\r | |
273 | Node->Length\r | |
274 | );\r | |
275 | Offset = Aperture & (Node->Alignment);\r | |
276 | if (Offset != 0) {\r | |
277 | Aperture = Aperture + (Node->Alignment + 1) - Offset;\r | |
278 | }\r | |
279 | } else if (VGAEnable) {\r | |
280 | SkipVGAAperture (\r | |
281 | &Aperture,\r | |
282 | Node->Length\r | |
283 | );\r | |
284 | Offset = Aperture & (Node->Alignment);\r | |
285 | if (Offset != 0) {\r | |
286 | Aperture = Aperture + (Node->Alignment + 1) - Offset;\r | |
287 | }\r | |
288 | }\r | |
289 | }\r | |
290 | }\r | |
291 | \r | |
292 | Node->Offset = Aperture;\r | |
293 | \r | |
294 | //\r | |
295 | // Increment aperture by the length of node\r | |
296 | //\r | |
297 | Aperture += Node->Length;\r | |
298 | \r | |
299 | CurrentLink = CurrentLink->ForwardLink;\r | |
300 | }\r | |
301 | \r | |
302 | //\r | |
303 | // At last, adjust the aperture with the bridge's\r | |
304 | // alignment\r | |
305 | //\r | |
306 | Offset = Aperture & (Bridge->Alignment);\r | |
307 | \r | |
308 | if (Offset != 0) {\r | |
309 | Aperture = Aperture + (Bridge->Alignment + 1) - Offset;\r | |
310 | }\r | |
311 | \r | |
312 | Bridge->Length = Aperture;\r | |
313 | //\r | |
314 | // At last, adjust the bridge's alignment to the first child's alignment\r | |
315 | // if the bridge has at least one child\r | |
316 | //\r | |
317 | CurrentLink = Bridge->ChildList.ForwardLink;\r | |
318 | if (CurrentLink != &Bridge->ChildList) {\r | |
319 | Node = RESOURCE_NODE_FROM_LINK (CurrentLink);\r | |
320 | if (Node->Alignment > Bridge->Alignment) {\r | |
321 | Bridge->Alignment = Node->Alignment;\r | |
322 | }\r | |
323 | }\r | |
324 | }\r | |
325 | \r | |
326 | /**\r | |
327 | This function is used to calculate the resource aperture\r | |
328 | for a given bridge device.\r | |
329 | \r | |
330 | @param Bridge PCI resouce node for given bridge device.\r | |
331 | \r | |
332 | **/\r | |
333 | VOID\r | |
334 | CalculateResourceAperture (\r | |
335 | IN PCI_RESOURCE_NODE *Bridge\r | |
336 | )\r | |
337 | {\r | |
338 | UINT64 Aperture;\r | |
339 | LIST_ENTRY *CurrentLink;\r | |
340 | PCI_RESOURCE_NODE *Node;\r | |
341 | \r | |
342 | UINT64 Offset;\r | |
343 | \r | |
344 | Aperture = 0;\r | |
345 | \r | |
346 | if (Bridge == NULL) {\r | |
347 | return ;\r | |
348 | }\r | |
349 | \r | |
350 | if (Bridge->ResType == PciBarTypeIo16) {\r | |
351 | \r | |
352 | CalculateApertureIo16 (Bridge);\r | |
353 | return ;\r | |
354 | }\r | |
355 | \r | |
356 | CurrentLink = Bridge->ChildList.ForwardLink;\r | |
357 | \r | |
358 | //\r | |
359 | // Assume the bridge is aligned\r | |
360 | //\r | |
361 | while (CurrentLink != &Bridge->ChildList) {\r | |
362 | \r | |
363 | Node = RESOURCE_NODE_FROM_LINK (CurrentLink);\r | |
364 | \r | |
365 | //\r | |
366 | // Apply padding resource if available\r | |
367 | //\r | |
368 | Offset = Aperture & (Node->Alignment);\r | |
369 | \r | |
370 | if (Offset != 0) {\r | |
371 | \r | |
372 | Aperture = Aperture + (Node->Alignment + 1) - Offset;\r | |
373 | \r | |
374 | }\r | |
375 | \r | |
376 | //\r | |
377 | // Recode current aperture as a offset\r | |
378 | // this offset will be used in future real allocation\r | |
379 | //\r | |
380 | Node->Offset = Aperture;\r | |
381 | \r | |
382 | //\r | |
383 | // Increment aperture by the length of node\r | |
384 | //\r | |
385 | Aperture += Node->Length;\r | |
386 | \r | |
387 | //\r | |
388 | // Consider the aperture alignment\r | |
389 | //\r | |
390 | CurrentLink = CurrentLink->ForwardLink;\r | |
391 | }\r | |
392 | \r | |
393 | //\r | |
394 | // At last, adjust the aperture with the bridge's\r | |
395 | // alignment\r | |
396 | //\r | |
397 | Offset = Aperture & (Bridge->Alignment);\r | |
398 | if (Offset != 0) {\r | |
399 | Aperture = Aperture + (Bridge->Alignment + 1) - Offset;\r | |
400 | }\r | |
401 | \r | |
402 | //\r | |
403 | // If the bridge has already padded the resource and the\r | |
404 | // amount of padded resource is larger, then keep the\r | |
405 | // padded resource\r | |
406 | //\r | |
407 | if (Bridge->Length < Aperture) {\r | |
408 | Bridge->Length = Aperture;\r | |
409 | }\r | |
410 | \r | |
411 | //\r | |
412 | // At last, adjust the bridge's alignment to the first child's alignment\r | |
413 | // if the bridge has at least one child\r | |
414 | //\r | |
415 | CurrentLink = Bridge->ChildList.ForwardLink;\r | |
416 | if (CurrentLink != &Bridge->ChildList) {\r | |
417 | Node = RESOURCE_NODE_FROM_LINK (CurrentLink);\r | |
418 | if (Node->Alignment > Bridge->Alignment) {\r | |
419 | Bridge->Alignment = Node->Alignment;\r | |
420 | }\r | |
421 | }\r | |
422 | }\r | |
423 | \r | |
424 | /**\r | |
425 | Get IO/Memory resource infor for given PCI device.\r | |
426 | \r | |
427 | @param PciDev Pci device instance.\r | |
428 | @param IoNode Resource info node for IO .\r | |
429 | @param Mem32Node Resource info node for 32-bit memory.\r | |
430 | @param PMem32Node Resource info node for 32-bit Prefetchable Memory.\r | |
431 | @param Mem64Node Resource info node for 64-bit memory.\r | |
432 | @param PMem64Node Resource info node for 64-bit Prefetchable Memory.\r | |
433 | \r | |
434 | **/\r | |
435 | VOID\r | |
436 | GetResourceFromDevice (\r | |
437 | IN PCI_IO_DEVICE *PciDev,\r | |
438 | IN OUT PCI_RESOURCE_NODE *IoNode,\r | |
439 | IN OUT PCI_RESOURCE_NODE *Mem32Node,\r | |
440 | IN OUT PCI_RESOURCE_NODE *PMem32Node,\r | |
441 | IN OUT PCI_RESOURCE_NODE *Mem64Node,\r | |
442 | IN OUT PCI_RESOURCE_NODE *PMem64Node\r | |
443 | )\r | |
444 | {\r | |
445 | \r | |
446 | UINT8 Index;\r | |
447 | PCI_RESOURCE_NODE *Node;\r | |
448 | BOOLEAN ResourceRequested;\r | |
449 | \r | |
450 | Node = NULL;\r | |
451 | ResourceRequested = FALSE;\r | |
452 | \r | |
453 | for (Index = 0; Index < PCI_MAX_BAR; Index++) {\r | |
454 | \r | |
455 | switch ((PciDev->PciBar)[Index].BarType) {\r | |
456 | \r | |
457 | case PciBarTypeMem32:\r | |
458 | \r | |
459 | Node = CreateResourceNode (\r | |
460 | PciDev,\r | |
461 | (PciDev->PciBar)[Index].Length,\r | |
462 | (PciDev->PciBar)[Index].Alignment,\r | |
463 | Index,\r | |
464 | PciBarTypeMem32,\r | |
465 | PciResUsageTypical\r | |
466 | );\r | |
467 | \r | |
468 | InsertResourceNode (\r | |
469 | Mem32Node,\r | |
470 | Node\r | |
471 | );\r | |
472 | \r | |
473 | ResourceRequested = TRUE;\r | |
474 | break;\r | |
475 | \r | |
476 | case PciBarTypeMem64:\r | |
477 | \r | |
478 | Node = CreateResourceNode (\r | |
479 | PciDev,\r | |
480 | (PciDev->PciBar)[Index].Length,\r | |
481 | (PciDev->PciBar)[Index].Alignment,\r | |
482 | Index,\r | |
483 | PciBarTypeMem64,\r | |
484 | PciResUsageTypical\r | |
485 | );\r | |
486 | \r | |
487 | InsertResourceNode (\r | |
488 | Mem64Node,\r | |
489 | Node\r | |
490 | );\r | |
491 | \r | |
492 | ResourceRequested = TRUE;\r | |
493 | break;\r | |
494 | \r | |
495 | case PciBarTypePMem64:\r | |
496 | \r | |
497 | Node = CreateResourceNode (\r | |
498 | PciDev,\r | |
499 | (PciDev->PciBar)[Index].Length,\r | |
500 | (PciDev->PciBar)[Index].Alignment,\r | |
501 | Index,\r | |
502 | PciBarTypePMem64,\r | |
503 | PciResUsageTypical\r | |
504 | );\r | |
505 | \r | |
506 | InsertResourceNode (\r | |
507 | PMem64Node,\r | |
508 | Node\r | |
509 | );\r | |
510 | \r | |
511 | ResourceRequested = TRUE;\r | |
512 | break;\r | |
513 | \r | |
514 | case PciBarTypePMem32:\r | |
515 | \r | |
516 | Node = CreateResourceNode (\r | |
517 | PciDev,\r | |
518 | (PciDev->PciBar)[Index].Length,\r | |
519 | (PciDev->PciBar)[Index].Alignment,\r | |
520 | Index,\r | |
521 | PciBarTypePMem32,\r | |
522 | PciResUsageTypical\r | |
523 | );\r | |
524 | \r | |
525 | InsertResourceNode (\r | |
526 | PMem32Node,\r | |
527 | Node\r | |
528 | );\r | |
529 | ResourceRequested = TRUE;\r | |
530 | break;\r | |
531 | \r | |
532 | case PciBarTypeIo16:\r | |
533 | case PciBarTypeIo32:\r | |
534 | \r | |
535 | Node = CreateResourceNode (\r | |
536 | PciDev,\r | |
537 | (PciDev->PciBar)[Index].Length,\r | |
538 | (PciDev->PciBar)[Index].Alignment,\r | |
539 | Index,\r | |
540 | PciBarTypeIo16,\r | |
541 | PciResUsageTypical\r | |
542 | );\r | |
543 | \r | |
544 | InsertResourceNode (\r | |
545 | IoNode,\r | |
546 | Node\r | |
547 | );\r | |
548 | ResourceRequested = TRUE;\r | |
549 | break;\r | |
550 | \r | |
551 | case PciBarTypeUnknown:\r | |
552 | break;\r | |
553 | \r | |
554 | default:\r | |
555 | break;\r | |
556 | }\r | |
557 | }\r | |
558 | \r | |
559 | //\r | |
560 | // Add VF resource\r | |
561 | //\r | |
562 | for (Index = 0; Index < PCI_MAX_BAR; Index++) {\r | |
563 | \r | |
564 | switch ((PciDev->VfPciBar)[Index].BarType) {\r | |
565 | \r | |
566 | case PciBarTypeMem32:\r | |
567 | \r | |
568 | Node = CreateVfResourceNode (\r | |
569 | PciDev,\r | |
570 | (PciDev->VfPciBar)[Index].Length,\r | |
571 | (PciDev->VfPciBar)[Index].Alignment,\r | |
572 | Index,\r | |
573 | PciBarTypeMem32,\r | |
574 | PciResUsageTypical\r | |
575 | );\r | |
576 | \r | |
577 | InsertResourceNode (\r | |
578 | Mem32Node,\r | |
579 | Node\r | |
580 | );\r | |
581 | \r | |
582 | break;\r | |
583 | \r | |
584 | case PciBarTypeMem64:\r | |
585 | \r | |
586 | Node = CreateVfResourceNode (\r | |
587 | PciDev,\r | |
588 | (PciDev->VfPciBar)[Index].Length,\r | |
589 | (PciDev->VfPciBar)[Index].Alignment,\r | |
590 | Index,\r | |
591 | PciBarTypeMem64,\r | |
592 | PciResUsageTypical\r | |
593 | );\r | |
594 | \r | |
595 | InsertResourceNode (\r | |
596 | Mem64Node,\r | |
597 | Node\r | |
598 | );\r | |
599 | \r | |
600 | break;\r | |
601 | \r | |
602 | case PciBarTypePMem64:\r | |
603 | \r | |
604 | Node = CreateVfResourceNode (\r | |
605 | PciDev,\r | |
606 | (PciDev->VfPciBar)[Index].Length,\r | |
607 | (PciDev->VfPciBar)[Index].Alignment,\r | |
608 | Index,\r | |
609 | PciBarTypePMem64,\r | |
610 | PciResUsageTypical\r | |
611 | );\r | |
612 | \r | |
613 | InsertResourceNode (\r | |
614 | PMem64Node,\r | |
615 | Node\r | |
616 | );\r | |
617 | \r | |
618 | break;\r | |
619 | \r | |
620 | case PciBarTypePMem32:\r | |
621 | \r | |
622 | Node = CreateVfResourceNode (\r | |
623 | PciDev,\r | |
624 | (PciDev->VfPciBar)[Index].Length,\r | |
625 | (PciDev->VfPciBar)[Index].Alignment,\r | |
626 | Index,\r | |
627 | PciBarTypePMem32,\r | |
628 | PciResUsageTypical\r | |
629 | );\r | |
630 | \r | |
631 | InsertResourceNode (\r | |
632 | PMem32Node,\r | |
633 | Node\r | |
634 | );\r | |
635 | break;\r | |
636 | \r | |
637 | case PciBarTypeIo16:\r | |
638 | case PciBarTypeIo32:\r | |
639 | break;\r | |
640 | \r | |
641 | case PciBarTypeUnknown:\r | |
642 | break;\r | |
643 | \r | |
644 | default:\r | |
645 | break;\r | |
646 | }\r | |
647 | }\r | |
648 | // If there is no resource requested from this device,\r | |
649 | // then we indicate this device has been allocated naturally.\r | |
650 | //\r | |
651 | if (!ResourceRequested) {\r | |
652 | PciDev->Allocated = TRUE;\r | |
653 | }\r | |
654 | }\r | |
655 | \r | |
656 | /**\r | |
657 | This function is used to create a resource node.\r | |
658 | \r | |
659 | @param PciDev Pci device instance.\r | |
660 | @param Length Length of Io/Memory resource.\r | |
661 | @param Alignment Alignment of resource.\r | |
662 | @param Bar Bar index.\r | |
663 | @param ResType Type of resource: IO/Memory.\r | |
664 | @param ResUsage Resource usage.\r | |
665 | \r | |
666 | @return PCI resource node created for given PCI device.\r | |
667 | NULL means PCI resource node is not created.\r | |
668 | \r | |
669 | **/\r | |
670 | PCI_RESOURCE_NODE *\r | |
671 | CreateResourceNode (\r | |
672 | IN PCI_IO_DEVICE *PciDev,\r | |
673 | IN UINT64 Length,\r | |
674 | IN UINT64 Alignment,\r | |
675 | IN UINT8 Bar,\r | |
676 | IN PCI_BAR_TYPE ResType,\r | |
677 | IN PCI_RESOURCE_USAGE ResUsage\r | |
678 | )\r | |
679 | {\r | |
680 | PCI_RESOURCE_NODE *Node;\r | |
681 | \r | |
682 | Node = NULL;\r | |
683 | \r | |
684 | Node = AllocateZeroPool (sizeof (PCI_RESOURCE_NODE));\r | |
685 | ASSERT (Node != NULL);\r | |
686 | if (Node == NULL) {\r | |
687 | return NULL;\r | |
688 | }\r | |
689 | \r | |
690 | Node->Signature = PCI_RESOURCE_SIGNATURE;\r | |
691 | Node->PciDev = PciDev;\r | |
692 | Node->Length = Length;\r | |
693 | Node->Alignment = Alignment;\r | |
694 | Node->Bar = Bar;\r | |
695 | Node->ResType = ResType;\r | |
696 | Node->Reserved = FALSE;\r | |
697 | Node->ResourceUsage = ResUsage;\r | |
698 | InitializeListHead (&Node->ChildList);\r | |
699 | \r | |
700 | return Node;\r | |
701 | }\r | |
702 | \r | |
703 | /**\r | |
704 | This function is used to create a IOV VF resource node.\r | |
705 | \r | |
706 | @param PciDev Pci device instance.\r | |
707 | @param Length Length of Io/Memory resource.\r | |
708 | @param Alignment Alignment of resource.\r | |
709 | @param Bar Bar index.\r | |
710 | @param ResType Type of resource: IO/Memory.\r | |
711 | @param ResUsage Resource usage.\r | |
712 | \r | |
713 | @return PCI resource node created for given VF PCI device.\r | |
714 | NULL means PCI resource node is not created.\r | |
715 | \r | |
716 | **/\r | |
717 | PCI_RESOURCE_NODE *\r | |
718 | CreateVfResourceNode (\r | |
719 | IN PCI_IO_DEVICE *PciDev,\r | |
720 | IN UINT64 Length,\r | |
721 | IN UINT64 Alignment,\r | |
722 | IN UINT8 Bar,\r | |
723 | IN PCI_BAR_TYPE ResType,\r | |
724 | IN PCI_RESOURCE_USAGE ResUsage\r | |
725 | )\r | |
726 | {\r | |
727 | PCI_RESOURCE_NODE *Node;\r | |
728 | \r | |
729 | DEBUG ((\r | |
730 | EFI_D_INFO,\r | |
731 | "PCI-IOV B%x.D%x.F%x - VfResource (Bar - 0x%x) (Type - 0x%x) (Length - 0x%x)\n",\r | |
732 | (UINTN)PciDev->BusNumber,\r | |
733 | (UINTN)PciDev->DeviceNumber,\r | |
734 | (UINTN)PciDev->FunctionNumber,\r | |
735 | (UINTN)Bar,\r | |
736 | (UINTN)ResType,\r | |
737 | (UINTN)Length\r | |
738 | ));\r | |
739 | \r | |
740 | Node = CreateResourceNode (PciDev, Length, Alignment, Bar, ResType, ResUsage);\r | |
741 | if (Node == NULL) {\r | |
742 | return Node;\r | |
743 | }\r | |
744 | \r | |
745 | Node->Virtual = TRUE;\r | |
746 | \r | |
747 | return Node;\r | |
748 | }\r | |
749 | \r | |
750 | /**\r | |
751 | This function is used to extract resource request from\r | |
752 | device node list.\r | |
753 | \r | |
754 | @param Bridge Pci device instance.\r | |
755 | @param IoNode Resource info node for IO.\r | |
756 | @param Mem32Node Resource info node for 32-bit memory.\r | |
757 | @param PMem32Node Resource info node for 32-bit Prefetchable Memory.\r | |
758 | @param Mem64Node Resource info node for 64-bit memory.\r | |
759 | @param PMem64Node Resource info node for 64-bit Prefetchable Memory.\r | |
760 | \r | |
761 | **/\r | |
762 | VOID\r | |
763 | CreateResourceMap (\r | |
764 | IN PCI_IO_DEVICE *Bridge,\r | |
765 | IN OUT PCI_RESOURCE_NODE *IoNode,\r | |
766 | IN OUT PCI_RESOURCE_NODE *Mem32Node,\r | |
767 | IN OUT PCI_RESOURCE_NODE *PMem32Node,\r | |
768 | IN OUT PCI_RESOURCE_NODE *Mem64Node,\r | |
769 | IN OUT PCI_RESOURCE_NODE *PMem64Node\r | |
770 | )\r | |
771 | {\r | |
772 | PCI_IO_DEVICE *Temp;\r | |
773 | PCI_RESOURCE_NODE *IoBridge;\r | |
774 | PCI_RESOURCE_NODE *Mem32Bridge;\r | |
775 | PCI_RESOURCE_NODE *PMem32Bridge;\r | |
776 | PCI_RESOURCE_NODE *Mem64Bridge;\r | |
777 | PCI_RESOURCE_NODE *PMem64Bridge;\r | |
778 | LIST_ENTRY *CurrentLink;\r | |
779 | \r | |
780 | CurrentLink = Bridge->ChildList.ForwardLink;\r | |
781 | \r | |
782 | while (CurrentLink != NULL && CurrentLink != &Bridge->ChildList) {\r | |
783 | \r | |
784 | Temp = PCI_IO_DEVICE_FROM_LINK (CurrentLink);\r | |
785 | \r | |
786 | //\r | |
787 | // Create resource nodes for this device by scanning the\r | |
788 | // Bar array in the device private data\r | |
789 | // If the upstream bridge doesn't support this device,\r | |
790 | // no any resource node will be created for this device\r | |
791 | //\r | |
792 | GetResourceFromDevice (\r | |
793 | Temp,\r | |
794 | IoNode,\r | |
795 | Mem32Node,\r | |
796 | PMem32Node,\r | |
797 | Mem64Node,\r | |
798 | PMem64Node\r | |
799 | );\r | |
800 | \r | |
801 | if (IS_PCI_BRIDGE (&Temp->Pci)) {\r | |
802 | \r | |
803 | //\r | |
804 | // If the device has children, create a bridge resource node for this PPB\r | |
805 | // Note: For PPB, memory aperture is aligned with 1MB and IO aperture\r | |
1ef26783 | 806 | // is aligned with 4KB (smaller alignments may be supported).\r |
9060e3ec | 807 | //\r |
808 | IoBridge = CreateResourceNode (\r | |
809 | Temp,\r | |
810 | 0,\r | |
1ef26783 | 811 | Temp->BridgeIoAlignment,\r |
9060e3ec | 812 | PPB_IO_RANGE,\r |
813 | PciBarTypeIo16,\r | |
814 | PciResUsageTypical\r | |
815 | );\r | |
816 | \r | |
817 | Mem32Bridge = CreateResourceNode (\r | |
818 | Temp,\r | |
819 | 0,\r | |
820 | 0xFFFFF,\r | |
821 | PPB_MEM32_RANGE,\r | |
822 | PciBarTypeMem32,\r | |
823 | PciResUsageTypical\r | |
824 | );\r | |
825 | \r | |
826 | PMem32Bridge = CreateResourceNode (\r | |
827 | Temp,\r | |
828 | 0,\r | |
829 | 0xFFFFF,\r | |
830 | PPB_PMEM32_RANGE,\r | |
831 | PciBarTypePMem32,\r | |
832 | PciResUsageTypical\r | |
833 | );\r | |
834 | \r | |
835 | Mem64Bridge = CreateResourceNode (\r | |
836 | Temp,\r | |
837 | 0,\r | |
838 | 0xFFFFF,\r | |
839 | PPB_MEM64_RANGE,\r | |
840 | PciBarTypeMem64,\r | |
841 | PciResUsageTypical\r | |
842 | );\r | |
843 | \r | |
844 | PMem64Bridge = CreateResourceNode (\r | |
845 | Temp,\r | |
846 | 0,\r | |
847 | 0xFFFFF,\r | |
848 | PPB_PMEM64_RANGE,\r | |
849 | PciBarTypePMem64,\r | |
850 | PciResUsageTypical\r | |
851 | );\r | |
852 | \r | |
853 | //\r | |
854 | // Recursively create resouce map on this bridge\r | |
855 | //\r | |
856 | CreateResourceMap (\r | |
857 | Temp,\r | |
858 | IoBridge,\r | |
859 | Mem32Bridge,\r | |
860 | PMem32Bridge,\r | |
861 | Mem64Bridge,\r | |
862 | PMem64Bridge\r | |
863 | );\r | |
864 | \r | |
865 | if (ResourceRequestExisted (IoBridge)) {\r | |
866 | InsertResourceNode (\r | |
867 | IoNode,\r | |
868 | IoBridge\r | |
869 | );\r | |
870 | } else {\r | |
871 | FreePool (IoBridge);\r | |
872 | IoBridge = NULL;\r | |
873 | }\r | |
874 | \r | |
875 | //\r | |
876 | // If there is node under this resource bridge,\r | |
877 | // then calculate bridge's aperture of this type\r | |
878 | // and insert it into the respective resource tree.\r | |
879 | // If no, delete this resource bridge\r | |
880 | //\r | |
881 | if (ResourceRequestExisted (Mem32Bridge)) {\r | |
882 | InsertResourceNode (\r | |
883 | Mem32Node,\r | |
884 | Mem32Bridge\r | |
885 | );\r | |
886 | } else {\r | |
887 | FreePool (Mem32Bridge);\r | |
888 | Mem32Bridge = NULL;\r | |
889 | }\r | |
890 | \r | |
891 | //\r | |
892 | // If there is node under this resource bridge,\r | |
893 | // then calculate bridge's aperture of this type\r | |
894 | // and insert it into the respective resource tree.\r | |
895 | // If no, delete this resource bridge\r | |
896 | //\r | |
897 | if (ResourceRequestExisted (PMem32Bridge)) {\r | |
898 | InsertResourceNode (\r | |
899 | PMem32Node,\r | |
900 | PMem32Bridge\r | |
901 | );\r | |
902 | } else {\r | |
903 | FreePool (PMem32Bridge);\r | |
904 | PMem32Bridge = NULL;\r | |
905 | }\r | |
906 | \r | |
907 | //\r | |
908 | // If there is node under this resource bridge,\r | |
909 | // then calculate bridge's aperture of this type\r | |
910 | // and insert it into the respective resource tree.\r | |
911 | // If no, delete this resource bridge\r | |
912 | //\r | |
913 | if (ResourceRequestExisted (Mem64Bridge)) {\r | |
914 | InsertResourceNode (\r | |
915 | Mem64Node,\r | |
916 | Mem64Bridge\r | |
917 | );\r | |
918 | } else {\r | |
919 | FreePool (Mem64Bridge);\r | |
920 | Mem64Bridge = NULL;\r | |
921 | }\r | |
922 | \r | |
923 | //\r | |
924 | // If there is node under this resource bridge,\r | |
925 | // then calculate bridge's aperture of this type\r | |
926 | // and insert it into the respective resource tree.\r | |
927 | // If no, delete this resource bridge\r | |
928 | //\r | |
929 | if (ResourceRequestExisted (PMem64Bridge)) {\r | |
930 | InsertResourceNode (\r | |
931 | PMem64Node,\r | |
932 | PMem64Bridge\r | |
933 | );\r | |
934 | } else {\r | |
935 | FreePool (PMem64Bridge);\r | |
936 | PMem64Bridge = NULL;\r | |
937 | }\r | |
938 | \r | |
939 | }\r | |
940 | \r | |
941 | //\r | |
942 | // If it is P2C, apply hard coded resource padding\r | |
943 | //\r | |
944 | if (IS_CARDBUS_BRIDGE (&Temp->Pci)) {\r | |
945 | ResourcePaddingForCardBusBridge (\r | |
946 | Temp,\r | |
947 | IoNode,\r | |
948 | Mem32Node,\r | |
949 | PMem32Node,\r | |
950 | Mem64Node,\r | |
951 | PMem64Node\r | |
952 | );\r | |
953 | }\r | |
954 | \r | |
955 | CurrentLink = CurrentLink->ForwardLink;\r | |
956 | }\r | |
957 | \r | |
958 | //\r | |
959 | // To do some platform specific resource padding ...\r | |
960 | //\r | |
961 | ResourcePaddingPolicy (\r | |
962 | Bridge,\r | |
963 | IoNode,\r | |
964 | Mem32Node,\r | |
965 | PMem32Node,\r | |
966 | Mem64Node,\r | |
967 | PMem64Node\r | |
968 | );\r | |
969 | \r | |
970 | //\r | |
971 | // Degrade resource if necessary\r | |
972 | //\r | |
973 | DegradeResource (\r | |
974 | Bridge,\r | |
975 | Mem32Node,\r | |
976 | PMem32Node,\r | |
977 | Mem64Node,\r | |
978 | PMem64Node\r | |
979 | );\r | |
980 | \r | |
981 | //\r | |
982 | // Calculate resource aperture for this bridge device\r | |
983 | //\r | |
984 | CalculateResourceAperture (Mem32Node);\r | |
985 | CalculateResourceAperture (PMem32Node);\r | |
986 | CalculateResourceAperture (Mem64Node);\r | |
987 | CalculateResourceAperture (PMem64Node);\r | |
988 | CalculateResourceAperture (IoNode);\r | |
989 | }\r | |
990 | \r | |
991 | /**\r | |
992 | This function is used to do the resource padding for a specific platform.\r | |
993 | \r | |
994 | @param PciDev Pci device instance.\r | |
995 | @param IoNode Resource info node for IO.\r | |
996 | @param Mem32Node Resource info node for 32-bit memory.\r | |
997 | @param PMem32Node Resource info node for 32-bit Prefetchable Memory.\r | |
998 | @param Mem64Node Resource info node for 64-bit memory.\r | |
999 | @param PMem64Node Resource info node for 64-bit Prefetchable Memory.\r | |
1000 | \r | |
1001 | **/\r | |
1002 | VOID\r | |
1003 | ResourcePaddingPolicy (\r | |
1004 | IN PCI_IO_DEVICE *PciDev,\r | |
1005 | IN PCI_RESOURCE_NODE *IoNode,\r | |
1006 | IN PCI_RESOURCE_NODE *Mem32Node,\r | |
1007 | IN PCI_RESOURCE_NODE *PMem32Node,\r | |
1008 | IN PCI_RESOURCE_NODE *Mem64Node,\r | |
1009 | IN PCI_RESOURCE_NODE *PMem64Node\r | |
1010 | )\r | |
1011 | {\r | |
1012 | //\r | |
1013 | // Create padding resource node\r | |
1014 | //\r | |
1015 | if (PciDev->ResourcePaddingDescriptors != NULL) {\r | |
1016 | ApplyResourcePadding (\r | |
1017 | PciDev,\r | |
1018 | IoNode,\r | |
1019 | Mem32Node,\r | |
1020 | PMem32Node,\r | |
1021 | Mem64Node,\r | |
1022 | PMem64Node\r | |
1023 | );\r | |
1024 | }\r | |
1025 | }\r | |
1026 | \r | |
1027 | /**\r | |
1028 | This function is used to degrade resource if the upstream bridge\r | |
1029 | doesn't support certain resource. Degradation path is\r | |
1030 | PMEM64 -> MEM64 -> MEM32\r | |
1031 | PMEM64 -> PMEM32 -> MEM32\r | |
1032 | IO32 -> IO16.\r | |
1033 | \r | |
1034 | @param Bridge Pci device instance.\r | |
1035 | @param Mem32Node Resource info node for 32-bit memory.\r | |
1036 | @param PMem32Node Resource info node for 32-bit Prefetchable Memory.\r | |
1037 | @param Mem64Node Resource info node for 64-bit memory.\r | |
1038 | @param PMem64Node Resource info node for 64-bit Prefetchable Memory.\r | |
1039 | \r | |
1040 | **/\r | |
1041 | VOID\r | |
1042 | DegradeResource (\r | |
1043 | IN PCI_IO_DEVICE *Bridge,\r | |
1044 | IN PCI_RESOURCE_NODE *Mem32Node,\r | |
1045 | IN PCI_RESOURCE_NODE *PMem32Node,\r | |
1046 | IN PCI_RESOURCE_NODE *Mem64Node,\r | |
1047 | IN PCI_RESOURCE_NODE *PMem64Node\r | |
1048 | )\r | |
1049 | {\r | |
9060e3ec | 1050 | PCI_IO_DEVICE *Temp;\r |
de028a62 | 1051 | LIST_ENTRY *ChildDeviceLink;\r |
1052 | LIST_ENTRY *ChildNodeLink;\r | |
4661d5df | 1053 | LIST_ENTRY *NextChildNodeLink;\r |
60516202 | 1054 | PCI_RESOURCE_NODE *TempNode;\r |
9060e3ec | 1055 | \r |
1056 | //\r | |
60516202 | 1057 | // If any child device has both option ROM and 64-bit BAR, degrade its PMEM64/MEM64\r |
1058 | // requests in case that if a legacy option ROM image can not access 64-bit resources.\r | |
9060e3ec | 1059 | //\r |
de028a62 | 1060 | ChildDeviceLink = Bridge->ChildList.ForwardLink;\r |
1061 | while (ChildDeviceLink != NULL && ChildDeviceLink != &Bridge->ChildList) {\r | |
1062 | Temp = PCI_IO_DEVICE_FROM_LINK (ChildDeviceLink);\r | |
9060e3ec | 1063 | if (Temp->RomSize != 0) {\r |
60516202 | 1064 | if (!IsListEmpty (&Mem64Node->ChildList)) { \r |
de028a62 | 1065 | ChildNodeLink = Mem64Node->ChildList.ForwardLink;\r |
1066 | while (ChildNodeLink != &Mem64Node->ChildList) {\r | |
1067 | TempNode = RESOURCE_NODE_FROM_LINK (ChildNodeLink);\r | |
4661d5df | 1068 | NextChildNodeLink = ChildNodeLink->ForwardLink;\r |
60516202 | 1069 | \r |
1070 | if (TempNode->PciDev == Temp) {\r | |
de028a62 | 1071 | RemoveEntryList (ChildNodeLink);\r |
60516202 | 1072 | InsertResourceNode (Mem32Node, TempNode);\r |
1073 | }\r | |
4661d5df | 1074 | ChildNodeLink = NextChildNodeLink;\r |
60516202 | 1075 | } \r |
1076 | }\r | |
1077 | \r | |
1078 | if (!IsListEmpty (&PMem64Node->ChildList)) { \r | |
de028a62 | 1079 | ChildNodeLink = PMem64Node->ChildList.ForwardLink;\r |
1080 | while (ChildNodeLink != &PMem64Node->ChildList) {\r | |
1081 | TempNode = RESOURCE_NODE_FROM_LINK (ChildNodeLink);\r | |
4661d5df | 1082 | NextChildNodeLink = ChildNodeLink->ForwardLink;\r |
60516202 | 1083 | \r |
1084 | if (TempNode->PciDev == Temp) {\r | |
de028a62 | 1085 | RemoveEntryList (ChildNodeLink);\r |
60516202 | 1086 | InsertResourceNode (PMem32Node, TempNode);\r |
1087 | }\r | |
4661d5df | 1088 | ChildNodeLink = NextChildNodeLink;\r |
60516202 | 1089 | } \r |
1090 | }\r | |
1091 | \r | |
9060e3ec | 1092 | }\r |
de028a62 | 1093 | ChildDeviceLink = ChildDeviceLink->ForwardLink;\r |
9060e3ec | 1094 | }\r |
1095 | \r | |
1096 | //\r | |
60516202 | 1097 | // If firmware is in 32-bit mode,\r |
1098 | // then degrade PMEM64/MEM64 requests\r | |
9060e3ec | 1099 | //\r |
60516202 | 1100 | if (sizeof (UINTN) <= 4) {\r |
1101 | MergeResourceTree (\r | |
1102 | Mem32Node,\r | |
1103 | Mem64Node,\r | |
1104 | TRUE\r | |
1105 | );\r | |
1106 | \r | |
9060e3ec | 1107 | MergeResourceTree (\r |
1108 | PMem32Node,\r | |
1109 | PMem64Node,\r | |
1110 | TRUE\r | |
1111 | );\r | |
1112 | } else {\r | |
1113 | //\r | |
60516202 | 1114 | // if the bridge does not support MEM64, degrade MEM64 to MEM32\r |
9060e3ec | 1115 | //\r |
60516202 | 1116 | if (!BridgeSupportResourceDecode (Bridge, EFI_BRIDGE_MEM64_DECODE_SUPPORTED)) {\r |
1117 | MergeResourceTree (\r | |
1118 | Mem32Node,\r | |
1119 | Mem64Node,\r | |
1120 | TRUE\r | |
1121 | );\r | |
1122 | }\r | |
1123 | \r | |
1124 | //\r | |
1125 | // if the bridge does not support PMEM64, degrade PMEM64 to PMEM32\r | |
1126 | //\r | |
1127 | if (!BridgeSupportResourceDecode (Bridge, EFI_BRIDGE_PMEM64_DECODE_SUPPORTED)) {\r | |
9060e3ec | 1128 | MergeResourceTree (\r |
1129 | PMem32Node,\r | |
1130 | PMem64Node,\r | |
1131 | TRUE\r | |
1132 | );\r | |
60516202 | 1133 | } \r |
9060e3ec | 1134 | \r |
60516202 | 1135 | //\r |
1136 | // if both PMEM64 and PMEM32 requests from child devices, which can not be satisfied\r | |
1137 | // by a P2P bridge simultaneously, keep PMEM64 and degrade PMEM32 to MEM32.\r | |
1138 | //\r | |
1139 | if (!IsListEmpty (&PMem64Node->ChildList) && Bridge->Parent != NULL) {\r | |
1140 | MergeResourceTree (\r | |
1141 | Mem32Node,\r | |
1142 | PMem32Node,\r | |
1143 | TRUE\r | |
1144 | );\r | |
1145 | }\r | |
9060e3ec | 1146 | }\r |
1147 | \r | |
1148 | //\r | |
1149 | // If bridge doesn't support Pmem32\r | |
1150 | // degrade it to mem32\r | |
1151 | //\r | |
1152 | if (!BridgeSupportResourceDecode (Bridge, EFI_BRIDGE_PMEM32_DECODE_SUPPORTED)) {\r | |
1153 | MergeResourceTree (\r | |
1154 | Mem32Node,\r | |
1155 | PMem32Node,\r | |
1156 | TRUE\r | |
1157 | );\r | |
1158 | }\r | |
1159 | \r | |
1160 | //\r | |
60516202 | 1161 | // if root bridge supports combined Pmem Mem decoding\r |
9060e3ec | 1162 | // merge these two type of resource\r |
1163 | //\r | |
1164 | if (BridgeSupportResourceDecode (Bridge, EFI_BRIDGE_PMEM_MEM_COMBINE_SUPPORTED)) {\r | |
1165 | MergeResourceTree (\r | |
1166 | Mem32Node,\r | |
1167 | PMem32Node,\r | |
1168 | FALSE\r | |
1169 | );\r | |
1170 | \r | |
60516202 | 1171 | //\r |
1172 | // No need to check if to degrade MEM64 after merge, because\r | |
1173 | // if there are PMEM64 still here, 64-bit decode should be supported\r | |
1174 | // by the root bride.\r | |
1175 | //\r | |
9060e3ec | 1176 | MergeResourceTree (\r |
1177 | Mem64Node,\r | |
1178 | PMem64Node,\r | |
1179 | FALSE\r | |
1180 | );\r | |
1181 | }\r | |
1182 | }\r | |
1183 | \r | |
1184 | /**\r | |
1185 | Test whether bridge device support decode resource.\r | |
1186 | \r | |
1187 | @param Bridge Bridge device instance.\r | |
1188 | @param Decode Decode type according to resource type.\r | |
1189 | \r | |
1190 | @return TRUE The bridge device support decode resource.\r | |
1191 | @return FALSE The bridge device don't support decode resource.\r | |
1192 | \r | |
1193 | **/\r | |
1194 | BOOLEAN\r | |
1195 | BridgeSupportResourceDecode (\r | |
1196 | IN PCI_IO_DEVICE *Bridge,\r | |
1197 | IN UINT32 Decode\r | |
1198 | )\r | |
1199 | {\r | |
1200 | if (((Bridge->Decodes) & Decode) != 0) {\r | |
1201 | return TRUE;\r | |
1202 | }\r | |
1203 | \r | |
1204 | return FALSE;\r | |
1205 | }\r | |
1206 | \r | |
1207 | /**\r | |
1208 | This function is used to program the resource allocated\r | |
1209 | for each resource node under specified bridge.\r | |
1210 | \r | |
1211 | @param Base Base address of resource to be progammed.\r | |
1212 | @param Bridge PCI resource node for the bridge device.\r | |
1213 | \r | |
1214 | @retval EFI_SUCCESS Successfully to program all resouces\r | |
1215 | on given PCI bridge device.\r | |
1216 | @retval EFI_OUT_OF_RESOURCES Base is all one.\r | |
1217 | \r | |
1218 | **/\r | |
1219 | EFI_STATUS\r | |
1220 | ProgramResource (\r | |
1221 | IN UINT64 Base,\r | |
1222 | IN PCI_RESOURCE_NODE *Bridge\r | |
1223 | )\r | |
1224 | {\r | |
1225 | LIST_ENTRY *CurrentLink;\r | |
1226 | PCI_RESOURCE_NODE *Node;\r | |
1227 | EFI_STATUS Status;\r | |
1228 | \r | |
1229 | if (Base == gAllOne) {\r | |
1230 | return EFI_OUT_OF_RESOURCES;\r | |
1231 | }\r | |
1232 | \r | |
1233 | CurrentLink = Bridge->ChildList.ForwardLink;\r | |
1234 | \r | |
1235 | while (CurrentLink != &Bridge->ChildList) {\r | |
1236 | \r | |
1237 | Node = RESOURCE_NODE_FROM_LINK (CurrentLink);\r | |
1238 | \r | |
1239 | if (!IS_PCI_BRIDGE (&(Node->PciDev->Pci))) {\r | |
1240 | \r | |
1241 | if (IS_CARDBUS_BRIDGE (&(Node->PciDev->Pci))) {\r | |
1242 | //\r | |
1243 | // Program the PCI Card Bus device\r | |
1244 | //\r | |
1245 | ProgramP2C (Base, Node);\r | |
1246 | } else {\r | |
1247 | //\r | |
1248 | // Program the PCI device BAR\r | |
1249 | //\r | |
1250 | ProgramBar (Base, Node);\r | |
1251 | }\r | |
1252 | } else {\r | |
1253 | //\r | |
1254 | // Program the PCI devices under this bridge\r | |
1255 | //\r | |
1256 | Status = ProgramResource (Base + Node->Offset, Node);\r | |
1257 | if (EFI_ERROR (Status)) {\r | |
1258 | return Status;\r | |
1259 | }\r | |
1260 | \r | |
1261 | ProgramPpbApperture (Base, Node);\r | |
1262 | }\r | |
1263 | \r | |
1264 | CurrentLink = CurrentLink->ForwardLink;\r | |
1265 | }\r | |
1266 | \r | |
1267 | return EFI_SUCCESS;\r | |
1268 | }\r | |
1269 | \r | |
1270 | /**\r | |
1271 | Program Bar register for PCI device.\r | |
1272 | \r | |
1273 | @param Base Base address for PCI device resource to be progammed.\r | |
1274 | @param Node Point to resoure node structure.\r | |
1275 | \r | |
1276 | **/\r | |
1277 | VOID\r | |
1278 | ProgramBar (\r | |
1279 | IN UINT64 Base,\r | |
1280 | IN PCI_RESOURCE_NODE *Node\r | |
1281 | )\r | |
1282 | {\r | |
1283 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
1284 | UINT64 Address;\r | |
1285 | UINT32 Address32;\r | |
1286 | \r | |
1287 | ASSERT (Node->Bar < PCI_MAX_BAR);\r | |
1288 | \r | |
1289 | //\r | |
1290 | // Check VF BAR\r | |
1291 | //\r | |
1292 | if (Node->Virtual) {\r | |
1293 | ProgramVfBar (Base, Node);\r | |
1294 | }\r | |
1295 | \r | |
1296 | Address = 0;\r | |
1297 | PciIo = &(Node->PciDev->PciIo);\r | |
1298 | \r | |
1299 | Address = Base + Node->Offset;\r | |
1300 | \r | |
1301 | //\r | |
1302 | // Indicate pci bus driver has allocated\r | |
1303 | // resource for this device\r | |
1304 | // It might be a temporary solution here since\r | |
1305 | // pci device could have multiple bar\r | |
1306 | //\r | |
1307 | Node->PciDev->Allocated = TRUE;\r | |
1308 | \r | |
1309 | switch ((Node->PciDev->PciBar[Node->Bar]).BarType) {\r | |
1310 | \r | |
1311 | case PciBarTypeIo16:\r | |
1312 | case PciBarTypeIo32:\r | |
1313 | case PciBarTypeMem32:\r | |
1314 | case PciBarTypePMem32:\r | |
1315 | \r | |
1316 | PciIo->Pci.Write (\r | |
1317 | PciIo,\r | |
1318 | EfiPciIoWidthUint32,\r | |
1319 | (Node->PciDev->PciBar[Node->Bar]).Offset,\r | |
1320 | 1,\r | |
1321 | &Address\r | |
1322 | );\r | |
1323 | \r | |
1324 | Node->PciDev->PciBar[Node->Bar].BaseAddress = Address;\r | |
1325 | \r | |
1326 | break;\r | |
1327 | \r | |
1328 | case PciBarTypeMem64:\r | |
1329 | case PciBarTypePMem64:\r | |
1330 | \r | |
1331 | Address32 = (UINT32) (Address & 0x00000000FFFFFFFF);\r | |
1332 | \r | |
1333 | PciIo->Pci.Write (\r | |
1334 | PciIo,\r | |
1335 | EfiPciIoWidthUint32,\r | |
1336 | (Node->PciDev->PciBar[Node->Bar]).Offset,\r | |
1337 | 1,\r | |
1338 | &Address32\r | |
1339 | );\r | |
1340 | \r | |
1341 | Address32 = (UINT32) RShiftU64 (Address, 32);\r | |
1342 | \r | |
1343 | PciIo->Pci.Write (\r | |
1344 | PciIo,\r | |
1345 | EfiPciIoWidthUint32,\r | |
1346 | (UINT8) ((Node->PciDev->PciBar[Node->Bar]).Offset + 4),\r | |
1347 | 1,\r | |
1348 | &Address32\r | |
1349 | );\r | |
1350 | \r | |
1351 | Node->PciDev->PciBar[Node->Bar].BaseAddress = Address;\r | |
1352 | \r | |
1353 | break;\r | |
1354 | \r | |
1355 | default:\r | |
1356 | break;\r | |
1357 | }\r | |
1358 | }\r | |
1359 | \r | |
1360 | /**\r | |
1361 | Program IOV VF Bar register for PCI device.\r | |
1362 | \r | |
1363 | @param Base Base address for PCI device resource to be progammed.\r | |
1364 | @param Node Point to resoure node structure.\r | |
1365 | \r | |
1366 | **/\r | |
1367 | EFI_STATUS\r | |
1368 | ProgramVfBar (\r | |
1369 | IN UINT64 Base,\r | |
1370 | IN PCI_RESOURCE_NODE *Node\r | |
1371 | )\r | |
1372 | {\r | |
1373 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
1374 | UINT64 Address;\r | |
1375 | UINT32 Address32;\r | |
1376 | \r | |
1377 | ASSERT (Node->Bar < PCI_MAX_BAR);\r | |
1378 | ASSERT (Node->Virtual);\r | |
1379 | \r | |
1380 | Address = 0;\r | |
1381 | PciIo = &(Node->PciDev->PciIo);\r | |
1382 | \r | |
1383 | Address = Base + Node->Offset;\r | |
1384 | \r | |
1385 | //\r | |
1386 | // Indicate pci bus driver has allocated\r | |
1387 | // resource for this device\r | |
1388 | // It might be a temporary solution here since\r | |
1389 | // pci device could have multiple bar\r | |
1390 | //\r | |
1391 | Node->PciDev->Allocated = TRUE;\r | |
1392 | \r | |
1393 | switch ((Node->PciDev->VfPciBar[Node->Bar]).BarType) {\r | |
1394 | \r | |
1395 | case PciBarTypeMem32:\r | |
1396 | case PciBarTypePMem32:\r | |
1397 | \r | |
1398 | PciIo->Pci.Write (\r | |
1399 | PciIo,\r | |
1400 | EfiPciIoWidthUint32,\r | |
1401 | (Node->PciDev->VfPciBar[Node->Bar]).Offset,\r | |
1402 | 1,\r | |
1403 | &Address\r | |
1404 | );\r | |
1405 | \r | |
1406 | Node->PciDev->VfPciBar[Node->Bar].BaseAddress = Address;\r | |
1407 | \r | |
1408 | DEBUG ((\r | |
1409 | EFI_D_INFO,\r | |
1410 | "PCI-IOV B%x.D%x.F%x - VF Bar (Offset - 0x%x) 32Mem (Address - 0x%x)\n",\r | |
1411 | (UINTN)Node->PciDev->BusNumber,\r | |
1412 | (UINTN)Node->PciDev->DeviceNumber,\r | |
1413 | (UINTN)Node->PciDev->FunctionNumber,\r | |
1414 | (UINTN)(Node->PciDev->VfPciBar[Node->Bar]).Offset,\r | |
1415 | (UINTN)Address\r | |
1416 | ));\r | |
1417 | \r | |
1418 | break;\r | |
1419 | \r | |
1420 | case PciBarTypeMem64:\r | |
1421 | case PciBarTypePMem64:\r | |
1422 | \r | |
1423 | Address32 = (UINT32) (Address & 0x00000000FFFFFFFF);\r | |
1424 | \r | |
1425 | PciIo->Pci.Write (\r | |
1426 | PciIo,\r | |
1427 | EfiPciIoWidthUint32,\r | |
1428 | (Node->PciDev->VfPciBar[Node->Bar]).Offset,\r | |
1429 | 1,\r | |
1430 | &Address32\r | |
1431 | );\r | |
1432 | \r | |
1433 | Address32 = (UINT32) RShiftU64 (Address, 32);\r | |
1434 | \r | |
1435 | PciIo->Pci.Write (\r | |
1436 | PciIo,\r | |
1437 | EfiPciIoWidthUint32,\r | |
1438 | ((Node->PciDev->VfPciBar[Node->Bar]).Offset + 4),\r | |
1439 | 1,\r | |
1440 | &Address32\r | |
1441 | );\r | |
1442 | \r | |
1443 | Node->PciDev->VfPciBar[Node->Bar].BaseAddress = Address;\r | |
1444 | \r | |
1445 | DEBUG ((\r | |
1446 | EFI_D_INFO,\r | |
1447 | "PCI-IOV B%x.D%x.F%x - VF Bar (Offset - 0x%x) 64Mem (Address - 0x%lx)\n",\r | |
1448 | (UINTN)Node->PciDev->BusNumber,\r | |
1449 | (UINTN)Node->PciDev->DeviceNumber,\r | |
1450 | (UINTN)Node->PciDev->FunctionNumber,\r | |
1451 | (UINTN)(Node->PciDev->VfPciBar[Node->Bar]).Offset,\r | |
1452 | (UINT64)Address\r | |
1453 | ));\r | |
1454 | \r | |
1455 | break;\r | |
1456 | \r | |
1457 | case PciBarTypeIo16:\r | |
1458 | case PciBarTypeIo32:\r | |
1459 | break;\r | |
1460 | \r | |
1461 | default:\r | |
1462 | break;\r | |
1463 | }\r | |
1464 | \r | |
1465 | return EFI_SUCCESS;\r | |
1466 | }\r | |
1467 | \r | |
1468 | /**\r | |
1469 | Program PCI-PCI bridge apperture.\r | |
1470 | \r | |
1471 | @param Base Base address for resource.\r | |
1472 | @param Node Point to resoure node structure.\r | |
1473 | \r | |
1474 | **/\r | |
1475 | VOID\r | |
1476 | ProgramPpbApperture (\r | |
1477 | IN UINT64 Base,\r | |
1478 | IN PCI_RESOURCE_NODE *Node\r | |
1479 | )\r | |
1480 | {\r | |
1481 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
1482 | UINT64 Address;\r | |
1483 | UINT32 Address32;\r | |
1484 | \r | |
1485 | Address = 0;\r | |
1486 | //\r | |
1487 | // If no device resource of this PPB, return anyway\r | |
1488 | // Apperture is set default in the initialization code\r | |
1489 | //\r | |
1490 | if (Node->Length == 0 || Node->ResourceUsage == PciResUsagePadding) {\r | |
1491 | //\r | |
1492 | // For padding resource node, just ignore when programming\r | |
1493 | //\r | |
1494 | return ;\r | |
1495 | }\r | |
1496 | \r | |
1497 | PciIo = &(Node->PciDev->PciIo);\r | |
1498 | Address = Base + Node->Offset;\r | |
1499 | \r | |
1500 | //\r | |
1501 | // Indicate the PPB resource has been allocated\r | |
1502 | //\r | |
1503 | Node->PciDev->Allocated = TRUE;\r | |
1504 | \r | |
1505 | switch (Node->Bar) {\r | |
1506 | \r | |
1507 | case PPB_BAR_0:\r | |
1508 | case PPB_BAR_1:\r | |
1509 | PciIo->Pci.Write (\r | |
1510 | PciIo,\r | |
1511 | EfiPciIoWidthUint32,\r | |
1512 | (Node->PciDev->PciBar[Node->Bar]).Offset,\r | |
1513 | 1,\r | |
1514 | &Address\r | |
1515 | );\r | |
1516 | \r | |
1517 | Node->PciDev->PciBar[Node->Bar].BaseAddress = Address;\r | |
1518 | Node->PciDev->PciBar[Node->Bar].Length = Node->Length;\r | |
1519 | \r | |
1520 | break;\r | |
1521 | \r | |
1522 | case PPB_IO_RANGE:\r | |
1523 | \r | |
1524 | Address32 = ((UINT32) (Address)) >> 8;\r | |
1525 | PciIo->Pci.Write (\r | |
1526 | PciIo,\r | |
1527 | EfiPciIoWidthUint8,\r | |
1528 | 0x1C,\r | |
1529 | 1,\r | |
1530 | &Address32\r | |
1531 | );\r | |
1532 | \r | |
1533 | Address32 >>= 8;\r | |
1534 | PciIo->Pci.Write (\r | |
1535 | PciIo,\r | |
1536 | EfiPciIoWidthUint16,\r | |
1537 | 0x30,\r | |
1538 | 1,\r | |
1539 | &Address32\r | |
1540 | );\r | |
1541 | \r | |
1542 | Address32 = (UINT32) (Address + Node->Length - 1);\r | |
1543 | Address32 = ((UINT32) (Address32)) >> 8;\r | |
1544 | PciIo->Pci.Write (\r | |
1545 | PciIo,\r | |
1546 | EfiPciIoWidthUint8,\r | |
1547 | 0x1D,\r | |
1548 | 1,\r | |
1549 | &Address32\r | |
1550 | );\r | |
1551 | \r | |
1552 | Address32 >>= 8;\r | |
1553 | PciIo->Pci.Write (\r | |
1554 | PciIo,\r | |
1555 | EfiPciIoWidthUint16,\r | |
1556 | 0x32,\r | |
1557 | 1,\r | |
1558 | &Address32\r | |
1559 | );\r | |
1560 | \r | |
1561 | Node->PciDev->PciBar[Node->Bar].BaseAddress = Address;\r | |
1562 | Node->PciDev->PciBar[Node->Bar].Length = Node->Length;\r | |
1563 | break;\r | |
1564 | \r | |
1565 | case PPB_MEM32_RANGE:\r | |
1566 | \r | |
1567 | Address32 = ((UINT32) (Address)) >> 16;\r | |
1568 | PciIo->Pci.Write (\r | |
1569 | PciIo,\r | |
1570 | EfiPciIoWidthUint16,\r | |
1571 | 0x20,\r | |
1572 | 1,\r | |
1573 | &Address32\r | |
1574 | );\r | |
1575 | \r | |
1576 | Address32 = (UINT32) (Address + Node->Length - 1);\r | |
1577 | Address32 = ((UINT32) (Address32)) >> 16;\r | |
1578 | PciIo->Pci.Write (\r | |
1579 | PciIo,\r | |
1580 | EfiPciIoWidthUint16,\r | |
1581 | 0x22,\r | |
1582 | 1,\r | |
1583 | &Address32\r | |
1584 | );\r | |
1585 | \r | |
1586 | Node->PciDev->PciBar[Node->Bar].BaseAddress = Address;\r | |
1587 | Node->PciDev->PciBar[Node->Bar].Length = Node->Length;\r | |
1588 | break;\r | |
1589 | \r | |
1590 | case PPB_PMEM32_RANGE:\r | |
1591 | case PPB_PMEM64_RANGE:\r | |
1592 | \r | |
1593 | Address32 = ((UINT32) (Address)) >> 16;\r | |
1594 | PciIo->Pci.Write (\r | |
1595 | PciIo,\r | |
1596 | EfiPciIoWidthUint16,\r | |
1597 | 0x24,\r | |
1598 | 1,\r | |
1599 | &Address32\r | |
1600 | );\r | |
1601 | \r | |
1602 | Address32 = (UINT32) (Address + Node->Length - 1);\r | |
1603 | Address32 = ((UINT32) (Address32)) >> 16;\r | |
1604 | PciIo->Pci.Write (\r | |
1605 | PciIo,\r | |
1606 | EfiPciIoWidthUint16,\r | |
1607 | 0x26,\r | |
1608 | 1,\r | |
1609 | &Address32\r | |
1610 | );\r | |
1611 | \r | |
1612 | Address32 = (UINT32) RShiftU64 (Address, 32);\r | |
1613 | PciIo->Pci.Write (\r | |
1614 | PciIo,\r | |
1615 | EfiPciIoWidthUint32,\r | |
1616 | 0x28,\r | |
1617 | 1,\r | |
1618 | &Address32\r | |
1619 | );\r | |
1620 | \r | |
1621 | Address32 = (UINT32) RShiftU64 ((Address + Node->Length - 1), 32);\r | |
1622 | PciIo->Pci.Write (\r | |
1623 | PciIo,\r | |
1624 | EfiPciIoWidthUint32,\r | |
1625 | 0x2C,\r | |
1626 | 1,\r | |
1627 | &Address32\r | |
1628 | );\r | |
1629 | \r | |
1630 | Node->PciDev->PciBar[Node->Bar].BaseAddress = Address;\r | |
1631 | Node->PciDev->PciBar[Node->Bar].Length = Node->Length;\r | |
1632 | break;\r | |
1633 | \r | |
1634 | default:\r | |
1635 | break;\r | |
1636 | }\r | |
1637 | }\r | |
1638 | \r | |
1639 | /**\r | |
1640 | Program parent bridge for Option Rom.\r | |
1641 | \r | |
1642 | @param PciDevice Pci deivce instance.\r | |
1643 | @param OptionRomBase Base address for Optiona Rom.\r | |
1644 | @param Enable Enable or disable PCI memory.\r | |
1645 | \r | |
1646 | **/\r | |
1647 | VOID\r | |
1648 | ProgrameUpstreamBridgeForRom (\r | |
1649 | IN PCI_IO_DEVICE *PciDevice,\r | |
1650 | IN UINT32 OptionRomBase,\r | |
1651 | IN BOOLEAN Enable\r | |
1652 | )\r | |
1653 | {\r | |
1654 | PCI_IO_DEVICE *Parent;\r | |
1655 | PCI_RESOURCE_NODE Node;\r | |
1656 | //\r | |
1657 | // For root bridge, just return.\r | |
1658 | //\r | |
1659 | Parent = PciDevice->Parent;\r | |
1660 | ZeroMem (&Node, sizeof (Node));\r | |
1661 | while (Parent != NULL) {\r | |
1662 | if (!IS_PCI_BRIDGE (&Parent->Pci)) {\r | |
1663 | break;\r | |
1664 | }\r | |
1665 | \r | |
1666 | Node.PciDev = Parent;\r | |
1667 | Node.Length = PciDevice->RomSize;\r | |
1668 | Node.Alignment = 0;\r | |
1669 | Node.Bar = PPB_MEM32_RANGE;\r | |
1670 | Node.ResType = PciBarTypeMem32;\r | |
1671 | Node.Offset = 0;\r | |
1672 | \r | |
1673 | //\r | |
1674 | // Program PPB to only open a single <= 16MB apperture\r | |
1675 | //\r | |
1676 | if (Enable) {\r | |
1677 | ProgramPpbApperture (OptionRomBase, &Node);\r | |
1678 | PCI_ENABLE_COMMAND_REGISTER (Parent, EFI_PCI_COMMAND_MEMORY_SPACE);\r | |
1679 | } else {\r | |
1680 | InitializePpb (Parent);\r | |
1681 | PCI_DISABLE_COMMAND_REGISTER (Parent, EFI_PCI_COMMAND_MEMORY_SPACE);\r | |
1682 | }\r | |
1683 | \r | |
1684 | Parent = Parent->Parent;\r | |
1685 | }\r | |
1686 | }\r | |
1687 | \r | |
1688 | /**\r | |
1689 | Test whether resource exists for a bridge.\r | |
1690 | \r | |
1691 | @param Bridge Point to resource node for a bridge.\r | |
1692 | \r | |
1693 | @retval TRUE There is resource on the given bridge.\r | |
1694 | @retval FALSE There isn't resource on the given bridge.\r | |
1695 | \r | |
1696 | **/\r | |
1697 | BOOLEAN\r | |
1698 | ResourceRequestExisted (\r | |
1699 | IN PCI_RESOURCE_NODE *Bridge\r | |
1700 | )\r | |
1701 | {\r | |
1702 | if (Bridge != NULL) {\r | |
1703 | if (!IsListEmpty (&Bridge->ChildList) || Bridge->Length != 0) {\r | |
1704 | return TRUE;\r | |
1705 | }\r | |
1706 | }\r | |
1707 | \r | |
1708 | return FALSE;\r | |
1709 | }\r | |
1710 | \r | |
1711 | /**\r | |
1712 | Initialize resource pool structure.\r | |
1713 | \r | |
1714 | @param ResourcePool Point to resource pool structure. This pool\r | |
1715 | is reset to all zero when returned.\r | |
1716 | @param ResourceType Type of resource.\r | |
1717 | \r | |
1718 | **/\r | |
1719 | VOID\r | |
1720 | InitializeResourcePool (\r | |
1721 | IN OUT PCI_RESOURCE_NODE *ResourcePool,\r | |
1722 | IN PCI_BAR_TYPE ResourceType\r | |
1723 | )\r | |
1724 | {\r | |
1725 | ZeroMem (ResourcePool, sizeof (PCI_RESOURCE_NODE));\r | |
1726 | ResourcePool->ResType = ResourceType;\r | |
1727 | ResourcePool->Signature = PCI_RESOURCE_SIGNATURE;\r | |
1728 | InitializeListHead (&ResourcePool->ChildList);\r | |
1729 | }\r | |
1730 | \r | |
1731 | \r | |
1732 | /**\r | |
1733 | Get all resource information for given Pci device.\r | |
1734 | \r | |
1735 | @param PciDev Pci device instance.\r | |
1736 | @param IoBridge Io resource node.\r | |
1737 | @param Mem32Bridge 32-bit memory node.\r | |
1738 | @param PMem32Bridge 32-bit Pmemory node.\r | |
1739 | @param Mem64Bridge 64-bit memory node.\r | |
1740 | @param PMem64Bridge 64-bit PMemory node.\r | |
1741 | @param IoPool Link list header for Io resource.\r | |
1742 | @param Mem32Pool Link list header for 32-bit memory.\r | |
1743 | @param PMem32Pool Link list header for 32-bit Prefetchable memory.\r | |
1744 | @param Mem64Pool Link list header for 64-bit memory.\r | |
1745 | @param PMem64Pool Link list header for 64-bit Prefetchable memory.\r | |
1746 | \r | |
1747 | **/\r | |
1748 | VOID\r | |
1749 | GetResourceMap (\r | |
1750 | IN PCI_IO_DEVICE *PciDev,\r | |
1751 | IN PCI_RESOURCE_NODE **IoBridge,\r | |
1752 | IN PCI_RESOURCE_NODE **Mem32Bridge,\r | |
1753 | IN PCI_RESOURCE_NODE **PMem32Bridge,\r | |
1754 | IN PCI_RESOURCE_NODE **Mem64Bridge,\r | |
1755 | IN PCI_RESOURCE_NODE **PMem64Bridge,\r | |
1756 | IN PCI_RESOURCE_NODE *IoPool,\r | |
1757 | IN PCI_RESOURCE_NODE *Mem32Pool,\r | |
1758 | IN PCI_RESOURCE_NODE *PMem32Pool,\r | |
1759 | IN PCI_RESOURCE_NODE *Mem64Pool,\r | |
1760 | IN PCI_RESOURCE_NODE *PMem64Pool\r | |
1761 | )\r | |
1762 | {\r | |
1763 | \r | |
1764 | PCI_RESOURCE_NODE *Temp;\r | |
1765 | LIST_ENTRY *CurrentLink;\r | |
1766 | \r | |
1767 | CurrentLink = IoPool->ChildList.ForwardLink;\r | |
1768 | \r | |
1769 | //\r | |
1770 | // Get Io resource map\r | |
1771 | //\r | |
1772 | while (CurrentLink != &IoPool->ChildList) {\r | |
1773 | \r | |
1774 | Temp = RESOURCE_NODE_FROM_LINK (CurrentLink);\r | |
1775 | \r | |
1776 | if (Temp->PciDev == PciDev) {\r | |
1777 | *IoBridge = Temp;\r | |
1778 | }\r | |
1779 | \r | |
1780 | CurrentLink = CurrentLink->ForwardLink;\r | |
1781 | }\r | |
1782 | \r | |
1783 | //\r | |
1784 | // Get Mem32 resource map\r | |
1785 | //\r | |
1786 | CurrentLink = Mem32Pool->ChildList.ForwardLink;\r | |
1787 | \r | |
1788 | while (CurrentLink != &Mem32Pool->ChildList) {\r | |
1789 | \r | |
1790 | Temp = RESOURCE_NODE_FROM_LINK (CurrentLink);\r | |
1791 | \r | |
1792 | if (Temp->PciDev == PciDev) {\r | |
1793 | *Mem32Bridge = Temp;\r | |
1794 | }\r | |
1795 | \r | |
1796 | CurrentLink = CurrentLink->ForwardLink;\r | |
1797 | }\r | |
1798 | \r | |
1799 | //\r | |
1800 | // Get Pmem32 resource map\r | |
1801 | //\r | |
1802 | CurrentLink = PMem32Pool->ChildList.ForwardLink;\r | |
1803 | \r | |
1804 | while (CurrentLink != &PMem32Pool->ChildList) {\r | |
1805 | \r | |
1806 | Temp = RESOURCE_NODE_FROM_LINK (CurrentLink);\r | |
1807 | \r | |
1808 | if (Temp->PciDev == PciDev) {\r | |
1809 | *PMem32Bridge = Temp;\r | |
1810 | }\r | |
1811 | \r | |
1812 | CurrentLink = CurrentLink->ForwardLink;\r | |
1813 | }\r | |
1814 | \r | |
1815 | //\r | |
1816 | // Get Mem64 resource map\r | |
1817 | //\r | |
1818 | CurrentLink = Mem64Pool->ChildList.ForwardLink;\r | |
1819 | \r | |
1820 | while (CurrentLink != &Mem64Pool->ChildList) {\r | |
1821 | \r | |
1822 | Temp = RESOURCE_NODE_FROM_LINK (CurrentLink);\r | |
1823 | \r | |
1824 | if (Temp->PciDev == PciDev) {\r | |
1825 | *Mem64Bridge = Temp;\r | |
1826 | }\r | |
1827 | \r | |
1828 | CurrentLink = CurrentLink->ForwardLink;\r | |
1829 | }\r | |
1830 | \r | |
1831 | //\r | |
1832 | // Get Pmem64 resource map\r | |
1833 | //\r | |
1834 | CurrentLink = PMem64Pool->ChildList.ForwardLink;\r | |
1835 | \r | |
1836 | while (CurrentLink != &PMem64Pool->ChildList) {\r | |
1837 | \r | |
1838 | Temp = RESOURCE_NODE_FROM_LINK (CurrentLink);\r | |
1839 | \r | |
1840 | if (Temp->PciDev == PciDev) {\r | |
1841 | *PMem64Bridge = Temp;\r | |
1842 | }\r | |
1843 | \r | |
1844 | CurrentLink = CurrentLink->ForwardLink;\r | |
1845 | }\r | |
1846 | }\r | |
1847 | \r | |
1848 | /**\r | |
1849 | Destory given resource tree.\r | |
1850 | \r | |
1851 | @param Bridge PCI resource root node of resource tree.\r | |
1852 | \r | |
1853 | **/\r | |
1854 | VOID\r | |
1855 | DestroyResourceTree (\r | |
1856 | IN PCI_RESOURCE_NODE *Bridge\r | |
1857 | )\r | |
1858 | {\r | |
1859 | PCI_RESOURCE_NODE *Temp;\r | |
1860 | LIST_ENTRY *CurrentLink;\r | |
1861 | \r | |
1862 | while (!IsListEmpty (&Bridge->ChildList)) {\r | |
1863 | \r | |
1864 | CurrentLink = Bridge->ChildList.ForwardLink;\r | |
1865 | \r | |
1866 | Temp = RESOURCE_NODE_FROM_LINK (CurrentLink);\r | |
1867 | ASSERT (Temp);\r | |
1868 | \r | |
1869 | RemoveEntryList (CurrentLink);\r | |
1870 | \r | |
1871 | if (IS_PCI_BRIDGE (&(Temp->PciDev->Pci))) {\r | |
1872 | DestroyResourceTree (Temp);\r | |
1873 | }\r | |
1874 | \r | |
1875 | FreePool (Temp);\r | |
1876 | }\r | |
1877 | }\r | |
1878 | \r | |
1879 | /**\r | |
1880 | Insert resource padding for P2C.\r | |
1881 | \r | |
1882 | @param PciDev Pci device instance.\r | |
1883 | @param IoNode Resource info node for IO.\r | |
1884 | @param Mem32Node Resource info node for 32-bit memory.\r | |
1885 | @param PMem32Node Resource info node for 32-bit Prefetchable Memory.\r | |
1886 | @param Mem64Node Resource info node for 64-bit memory.\r | |
1887 | @param PMem64Node Resource info node for 64-bit Prefetchable Memory.\r | |
1888 | \r | |
1889 | **/\r | |
1890 | VOID\r | |
1891 | ResourcePaddingForCardBusBridge (\r | |
1892 | IN PCI_IO_DEVICE *PciDev,\r | |
1893 | IN PCI_RESOURCE_NODE *IoNode,\r | |
1894 | IN PCI_RESOURCE_NODE *Mem32Node,\r | |
1895 | IN PCI_RESOURCE_NODE *PMem32Node,\r | |
1896 | IN PCI_RESOURCE_NODE *Mem64Node,\r | |
1897 | IN PCI_RESOURCE_NODE *PMem64Node\r | |
1898 | )\r | |
1899 | {\r | |
1900 | PCI_RESOURCE_NODE *Node;\r | |
1901 | \r | |
1902 | Node = NULL;\r | |
1903 | \r | |
1904 | //\r | |
1905 | // Memory Base/Limit Register 0\r | |
1906 | // Bar 1 denodes memory range 0\r | |
1907 | //\r | |
1908 | Node = CreateResourceNode (\r | |
1909 | PciDev,\r | |
1910 | 0x2000000,\r | |
1911 | 0x1ffffff,\r | |
1912 | 1,\r | |
1913 | PciBarTypeMem32,\r | |
1914 | PciResUsagePadding\r | |
1915 | );\r | |
1916 | \r | |
1917 | InsertResourceNode (\r | |
1918 | Mem32Node,\r | |
1919 | Node\r | |
1920 | );\r | |
1921 | \r | |
1922 | //\r | |
1923 | // Memory Base/Limit Register 1\r | |
1924 | // Bar 2 denodes memory range1\r | |
1925 | //\r | |
1926 | Node = CreateResourceNode (\r | |
1927 | PciDev,\r | |
1928 | 0x2000000,\r | |
1929 | 0x1ffffff,\r | |
1930 | 2,\r | |
1931 | PciBarTypePMem32,\r | |
1932 | PciResUsagePadding\r | |
1933 | );\r | |
1934 | \r | |
1935 | InsertResourceNode (\r | |
1936 | PMem32Node,\r | |
1937 | Node\r | |
1938 | );\r | |
1939 | \r | |
1940 | //\r | |
1941 | // Io Base/Limit\r | |
1942 | // Bar 3 denodes io range 0\r | |
1943 | //\r | |
1944 | Node = CreateResourceNode (\r | |
1945 | PciDev,\r | |
1946 | 0x100,\r | |
1947 | 0xff,\r | |
1948 | 3,\r | |
1949 | PciBarTypeIo16,\r | |
1950 | PciResUsagePadding\r | |
1951 | );\r | |
1952 | \r | |
1953 | InsertResourceNode (\r | |
1954 | IoNode,\r | |
1955 | Node\r | |
1956 | );\r | |
1957 | \r | |
1958 | //\r | |
1959 | // Io Base/Limit\r | |
1960 | // Bar 4 denodes io range 0\r | |
1961 | //\r | |
1962 | Node = CreateResourceNode (\r | |
1963 | PciDev,\r | |
1964 | 0x100,\r | |
1965 | 0xff,\r | |
1966 | 4,\r | |
1967 | PciBarTypeIo16,\r | |
1968 | PciResUsagePadding\r | |
1969 | );\r | |
1970 | \r | |
1971 | InsertResourceNode (\r | |
1972 | IoNode,\r | |
1973 | Node\r | |
1974 | );\r | |
1975 | }\r | |
1976 | \r | |
1977 | /**\r | |
1978 | Program PCI Card device register for given resource node.\r | |
1979 | \r | |
1980 | @param Base Base address of PCI Card device to be programmed.\r | |
1981 | @param Node Given resource node.\r | |
1982 | \r | |
1983 | **/\r | |
1984 | VOID\r | |
1985 | ProgramP2C (\r | |
1986 | IN UINT64 Base,\r | |
1987 | IN PCI_RESOURCE_NODE *Node\r | |
1988 | )\r | |
1989 | {\r | |
1990 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
1991 | UINT64 Address;\r | |
1992 | UINT64 TempAddress;\r | |
1993 | UINT16 BridgeControl;\r | |
1994 | \r | |
1995 | Address = 0;\r | |
1996 | PciIo = &(Node->PciDev->PciIo);\r | |
1997 | \r | |
1998 | Address = Base + Node->Offset;\r | |
1999 | \r | |
2000 | //\r | |
2001 | // Indicate pci bus driver has allocated\r | |
2002 | // resource for this device\r | |
2003 | // It might be a temporary solution here since\r | |
2004 | // pci device could have multiple bar\r | |
2005 | //\r | |
2006 | Node->PciDev->Allocated = TRUE;\r | |
2007 | \r | |
2008 | switch (Node->Bar) {\r | |
2009 | \r | |
2010 | case P2C_BAR_0:\r | |
2011 | PciIo->Pci.Write (\r | |
2012 | PciIo,\r | |
2013 | EfiPciIoWidthUint32,\r | |
2014 | (Node->PciDev->PciBar[Node->Bar]).Offset,\r | |
2015 | 1,\r | |
2016 | &Address\r | |
2017 | );\r | |
2018 | \r | |
2019 | Node->PciDev->PciBar[Node->Bar].BaseAddress = Address;\r | |
2020 | Node->PciDev->PciBar[Node->Bar].Length = Node->Length;\r | |
2021 | break;\r | |
2022 | \r | |
2023 | case P2C_MEM_1:\r | |
2024 | PciIo->Pci.Write (\r | |
2025 | PciIo,\r | |
2026 | EfiPciIoWidthUint32,\r | |
2027 | PCI_CARD_MEMORY_BASE_0,\r | |
2028 | 1,\r | |
2029 | &Address\r | |
2030 | );\r | |
2031 | \r | |
2032 | TempAddress = Address + Node->Length - 1;\r | |
2033 | PciIo->Pci.Write (\r | |
2034 | PciIo,\r | |
2035 | EfiPciIoWidthUint32,\r | |
2036 | PCI_CARD_MEMORY_LIMIT_0,\r | |
2037 | 1,\r | |
2038 | &TempAddress\r | |
2039 | );\r | |
2040 | \r | |
2041 | if (Node->ResType == PciBarTypeMem32) {\r | |
2042 | //\r | |
2043 | // Set non-prefetchable bit\r | |
2044 | //\r | |
2045 | PciIo->Pci.Read (\r | |
2046 | PciIo,\r | |
2047 | EfiPciIoWidthUint16,\r | |
2048 | PCI_CARD_BRIDGE_CONTROL,\r | |
2049 | 1,\r | |
2050 | &BridgeControl\r | |
2051 | );\r | |
2052 | \r | |
2053 | BridgeControl &= (UINT16) ~PCI_CARD_PREFETCHABLE_MEMORY_0_ENABLE;\r | |
2054 | PciIo->Pci.Write (\r | |
2055 | PciIo,\r | |
2056 | EfiPciIoWidthUint16,\r | |
2057 | PCI_CARD_BRIDGE_CONTROL,\r | |
2058 | 1,\r | |
2059 | &BridgeControl\r | |
2060 | );\r | |
2061 | \r | |
2062 | } else {\r | |
2063 | //\r | |
2064 | // Set pre-fetchable bit\r | |
2065 | //\r | |
2066 | PciIo->Pci.Read (\r | |
2067 | PciIo,\r | |
2068 | EfiPciIoWidthUint16,\r | |
2069 | PCI_CARD_BRIDGE_CONTROL,\r | |
2070 | 1,\r | |
2071 | &BridgeControl\r | |
2072 | );\r | |
2073 | \r | |
2074 | BridgeControl |= PCI_CARD_PREFETCHABLE_MEMORY_0_ENABLE;\r | |
2075 | PciIo->Pci.Write (\r | |
2076 | PciIo,\r | |
2077 | EfiPciIoWidthUint16,\r | |
2078 | PCI_CARD_BRIDGE_CONTROL,\r | |
2079 | 1,\r | |
2080 | &BridgeControl\r | |
2081 | );\r | |
2082 | }\r | |
2083 | \r | |
2084 | Node->PciDev->PciBar[Node->Bar].BaseAddress = Address;\r | |
2085 | Node->PciDev->PciBar[Node->Bar].Length = Node->Length;\r | |
2086 | Node->PciDev->PciBar[Node->Bar].BarType = Node->ResType;\r | |
2087 | \r | |
2088 | break;\r | |
2089 | \r | |
2090 | case P2C_MEM_2:\r | |
2091 | PciIo->Pci.Write (\r | |
2092 | PciIo,\r | |
2093 | EfiPciIoWidthUint32,\r | |
2094 | PCI_CARD_MEMORY_BASE_1,\r | |
2095 | 1,\r | |
2096 | &Address\r | |
2097 | );\r | |
2098 | \r | |
2099 | TempAddress = Address + Node->Length - 1;\r | |
2100 | \r | |
2101 | PciIo->Pci.Write (\r | |
2102 | PciIo,\r | |
2103 | EfiPciIoWidthUint32,\r | |
2104 | PCI_CARD_MEMORY_LIMIT_1,\r | |
2105 | 1,\r | |
2106 | &TempAddress\r | |
2107 | );\r | |
2108 | \r | |
2109 | if (Node->ResType == PciBarTypeMem32) {\r | |
2110 | \r | |
2111 | //\r | |
2112 | // Set non-prefetchable bit\r | |
2113 | //\r | |
2114 | PciIo->Pci.Read (\r | |
2115 | PciIo,\r | |
2116 | EfiPciIoWidthUint16,\r | |
2117 | PCI_CARD_BRIDGE_CONTROL,\r | |
2118 | 1,\r | |
2119 | &BridgeControl\r | |
2120 | );\r | |
2121 | \r | |
2122 | BridgeControl &= (UINT16) ~(PCI_CARD_PREFETCHABLE_MEMORY_1_ENABLE);\r | |
2123 | PciIo->Pci.Write (\r | |
2124 | PciIo,\r | |
2125 | EfiPciIoWidthUint16,\r | |
2126 | PCI_CARD_BRIDGE_CONTROL,\r | |
2127 | 1,\r | |
2128 | &BridgeControl\r | |
2129 | );\r | |
2130 | \r | |
2131 | } else {\r | |
2132 | \r | |
2133 | //\r | |
2134 | // Set pre-fetchable bit\r | |
2135 | //\r | |
2136 | PciIo->Pci.Read (\r | |
2137 | PciIo,\r | |
2138 | EfiPciIoWidthUint16,\r | |
2139 | PCI_CARD_BRIDGE_CONTROL,\r | |
2140 | 1,\r | |
2141 | &BridgeControl\r | |
2142 | );\r | |
2143 | \r | |
2144 | BridgeControl |= PCI_CARD_PREFETCHABLE_MEMORY_1_ENABLE;\r | |
2145 | PciIo->Pci.Write (\r | |
2146 | PciIo,\r | |
2147 | EfiPciIoWidthUint16,\r | |
2148 | PCI_CARD_BRIDGE_CONTROL,\r | |
2149 | 1,\r | |
2150 | &BridgeControl\r | |
2151 | );\r | |
2152 | }\r | |
2153 | \r | |
2154 | Node->PciDev->PciBar[Node->Bar].BaseAddress = Address;\r | |
2155 | Node->PciDev->PciBar[Node->Bar].Length = Node->Length;\r | |
2156 | Node->PciDev->PciBar[Node->Bar].BarType = Node->ResType;\r | |
2157 | break;\r | |
2158 | \r | |
2159 | case P2C_IO_1:\r | |
2160 | PciIo->Pci.Write (\r | |
2161 | PciIo,\r | |
2162 | EfiPciIoWidthUint32,\r | |
2163 | PCI_CARD_IO_BASE_0_LOWER,\r | |
2164 | 1,\r | |
2165 | &Address\r | |
2166 | );\r | |
2167 | \r | |
2168 | TempAddress = Address + Node->Length - 1;\r | |
2169 | PciIo->Pci.Write (\r | |
2170 | PciIo,\r | |
2171 | EfiPciIoWidthUint32,\r | |
2172 | PCI_CARD_IO_LIMIT_0_LOWER,\r | |
2173 | 1,\r | |
2174 | &TempAddress\r | |
2175 | );\r | |
2176 | \r | |
2177 | Node->PciDev->PciBar[Node->Bar].BaseAddress = Address;\r | |
2178 | Node->PciDev->PciBar[Node->Bar].Length = Node->Length;\r | |
2179 | Node->PciDev->PciBar[Node->Bar].BarType = Node->ResType;\r | |
2180 | \r | |
2181 | break;\r | |
2182 | \r | |
2183 | case P2C_IO_2:\r | |
2184 | PciIo->Pci.Write (\r | |
2185 | PciIo,\r | |
2186 | EfiPciIoWidthUint32,\r | |
2187 | PCI_CARD_IO_BASE_1_LOWER,\r | |
2188 | 1,\r | |
2189 | &Address\r | |
2190 | );\r | |
2191 | \r | |
2192 | TempAddress = Address + Node->Length - 1;\r | |
2193 | PciIo->Pci.Write (\r | |
2194 | PciIo,\r | |
2195 | EfiPciIoWidthUint32,\r | |
2196 | PCI_CARD_IO_LIMIT_1_LOWER,\r | |
2197 | 1,\r | |
2198 | &TempAddress\r | |
2199 | );\r | |
2200 | \r | |
2201 | Node->PciDev->PciBar[Node->Bar].BaseAddress = Address;\r | |
2202 | Node->PciDev->PciBar[Node->Bar].Length = Node->Length;\r | |
2203 | Node->PciDev->PciBar[Node->Bar].BarType = Node->ResType;\r | |
2204 | break;\r | |
2205 | \r | |
2206 | default:\r | |
2207 | break;\r | |
2208 | }\r | |
2209 | }\r | |
2210 | \r | |
2211 | /**\r | |
2212 | Create padding resource node.\r | |
2213 | \r | |
2214 | @param PciDev Pci device instance.\r | |
2215 | @param IoNode Resource info node for IO.\r | |
2216 | @param Mem32Node Resource info node for 32-bit memory.\r | |
2217 | @param PMem32Node Resource info node for 32-bit Prefetchable Memory.\r | |
2218 | @param Mem64Node Resource info node for 64-bit memory.\r | |
2219 | @param PMem64Node Resource info node for 64-bit Prefetchable Memory.\r | |
2220 | \r | |
2221 | **/\r | |
2222 | VOID\r | |
2223 | ApplyResourcePadding (\r | |
2224 | IN PCI_IO_DEVICE *PciDev,\r | |
2225 | IN PCI_RESOURCE_NODE *IoNode,\r | |
2226 | IN PCI_RESOURCE_NODE *Mem32Node,\r | |
2227 | IN PCI_RESOURCE_NODE *PMem32Node,\r | |
2228 | IN PCI_RESOURCE_NODE *Mem64Node,\r | |
2229 | IN PCI_RESOURCE_NODE *PMem64Node\r | |
2230 | )\r | |
2231 | {\r | |
2232 | EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *Ptr;\r | |
2233 | PCI_RESOURCE_NODE *Node;\r | |
2234 | UINT8 DummyBarIndex;\r | |
2235 | \r | |
2236 | DummyBarIndex = 0;\r | |
2237 | Ptr = PciDev->ResourcePaddingDescriptors;\r | |
2238 | \r | |
2239 | while (((EFI_ACPI_END_TAG_DESCRIPTOR *) Ptr)->Desc != ACPI_END_TAG_DESCRIPTOR) {\r | |
2240 | \r | |
2241 | if (Ptr->Desc == ACPI_ADDRESS_SPACE_DESCRIPTOR && Ptr->ResType == ACPI_ADDRESS_SPACE_TYPE_IO) {\r | |
2242 | if (Ptr->AddrLen != 0) {\r | |
2243 | \r | |
2244 | Node = CreateResourceNode (\r | |
2245 | PciDev,\r | |
2246 | Ptr->AddrLen,\r | |
2247 | Ptr->AddrRangeMax,\r | |
2248 | DummyBarIndex,\r | |
2249 | PciBarTypeIo16,\r | |
2250 | PciResUsagePadding\r | |
2251 | );\r | |
2252 | InsertResourceNode (\r | |
2253 | IoNode,\r | |
2254 | Node\r | |
2255 | );\r | |
2256 | }\r | |
2257 | \r | |
2258 | Ptr++;\r | |
2259 | continue;\r | |
2260 | }\r | |
2261 | \r | |
2262 | if (Ptr->Desc == ACPI_ADDRESS_SPACE_DESCRIPTOR && Ptr->ResType == ACPI_ADDRESS_SPACE_TYPE_MEM) {\r | |
2263 | \r | |
2264 | if (Ptr->AddrSpaceGranularity == 32) {\r | |
2265 | \r | |
2266 | //\r | |
2267 | // prefechable\r | |
2268 | //\r | |
2269 | if (Ptr->SpecificFlag == 0x6) {\r | |
2270 | if (Ptr->AddrLen != 0) {\r | |
2271 | Node = CreateResourceNode (\r | |
2272 | PciDev,\r | |
2273 | Ptr->AddrLen,\r | |
2274 | Ptr->AddrRangeMax,\r | |
2275 | DummyBarIndex,\r | |
2276 | PciBarTypePMem32,\r | |
2277 | PciResUsagePadding\r | |
2278 | );\r | |
2279 | InsertResourceNode (\r | |
2280 | PMem32Node,\r | |
2281 | Node\r | |
2282 | );\r | |
2283 | }\r | |
2284 | \r | |
2285 | Ptr++;\r | |
2286 | continue;\r | |
2287 | }\r | |
2288 | \r | |
2289 | //\r | |
2290 | // Non-prefechable\r | |
2291 | //\r | |
2292 | if (Ptr->SpecificFlag == 0) {\r | |
2293 | if (Ptr->AddrLen != 0) {\r | |
2294 | Node = CreateResourceNode (\r | |
2295 | PciDev,\r | |
2296 | Ptr->AddrLen,\r | |
2297 | Ptr->AddrRangeMax,\r | |
2298 | DummyBarIndex,\r | |
2299 | PciBarTypeMem32,\r | |
2300 | PciResUsagePadding\r | |
2301 | );\r | |
2302 | InsertResourceNode (\r | |
2303 | Mem32Node,\r | |
2304 | Node\r | |
2305 | );\r | |
2306 | }\r | |
2307 | \r | |
2308 | Ptr++;\r | |
2309 | continue;\r | |
2310 | }\r | |
2311 | }\r | |
2312 | \r | |
2313 | if (Ptr->AddrSpaceGranularity == 64) {\r | |
2314 | \r | |
2315 | //\r | |
2316 | // prefechable\r | |
2317 | //\r | |
2318 | if (Ptr->SpecificFlag == 0x6) {\r | |
2319 | if (Ptr->AddrLen != 0) {\r | |
2320 | Node = CreateResourceNode (\r | |
2321 | PciDev,\r | |
2322 | Ptr->AddrLen,\r | |
2323 | Ptr->AddrRangeMax,\r | |
2324 | DummyBarIndex,\r | |
2325 | PciBarTypePMem64,\r | |
2326 | PciResUsagePadding\r | |
2327 | );\r | |
2328 | InsertResourceNode (\r | |
2329 | PMem64Node,\r | |
2330 | Node\r | |
2331 | );\r | |
2332 | }\r | |
2333 | \r | |
2334 | Ptr++;\r | |
2335 | continue;\r | |
2336 | }\r | |
2337 | \r | |
2338 | //\r | |
2339 | // Non-prefechable\r | |
2340 | //\r | |
2341 | if (Ptr->SpecificFlag == 0) {\r | |
2342 | if (Ptr->AddrLen != 0) {\r | |
2343 | Node = CreateResourceNode (\r | |
2344 | PciDev,\r | |
2345 | Ptr->AddrLen,\r | |
2346 | Ptr->AddrRangeMax,\r | |
2347 | DummyBarIndex,\r | |
2348 | PciBarTypeMem64,\r | |
2349 | PciResUsagePadding\r | |
2350 | );\r | |
2351 | InsertResourceNode (\r | |
2352 | Mem64Node,\r | |
2353 | Node\r | |
2354 | );\r | |
2355 | }\r | |
2356 | \r | |
2357 | Ptr++;\r | |
2358 | continue;\r | |
2359 | }\r | |
2360 | }\r | |
2361 | }\r | |
2362 | \r | |
2363 | Ptr++;\r | |
2364 | }\r | |
2365 | }\r | |
2366 | \r | |
2367 | /**\r | |
2368 | Get padding resource for PCI-PCI bridge.\r | |
2369 | \r | |
2370 | @param PciIoDevice PCI-PCI bridge device instance.\r | |
2371 | \r | |
2372 | @note Feature flag PcdPciBusHotplugDeviceSupport determines\r | |
2373 | whether need to pad resource for them.\r | |
2374 | **/\r | |
2375 | VOID\r | |
2376 | GetResourcePaddingPpb (\r | |
2377 | IN PCI_IO_DEVICE *PciIoDevice\r | |
2378 | )\r | |
2379 | {\r | |
2380 | if (gPciHotPlugInit != NULL && FeaturePcdGet (PcdPciBusHotplugDeviceSupport)) {\r | |
2381 | if (PciIoDevice->ResourcePaddingDescriptors == NULL) {\r | |
2382 | GetResourcePaddingForHpb (PciIoDevice);\r | |
2383 | }\r | |
2384 | }\r | |
2385 | }\r | |
2386 | \r |