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fce4ecd9 MM |
1 | /** @file\r |
2 | This library will parse the coreboot table in memory and extract those required\r | |
3 | information.\r | |
4 | \r | |
2d90b74d | 5 | Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>\r |
fce4ecd9 MM |
6 | This program and the accompanying materials\r |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include <Uefi/UefiBaseType.h>\r | |
17 | #include <Library/BaseLib.h>\r | |
18 | #include <Library/BaseMemoryLib.h>\r | |
19 | #include <Library/DebugLib.h>\r | |
20 | #include <Library/PcdLib.h>\r | |
21 | #include <Library/CbParseLib.h>\r | |
22 | \r | |
23 | #include <IndustryStandard/Acpi.h>\r | |
24 | \r | |
25 | #include "Coreboot.h"\r | |
26 | \r | |
fce4ecd9 | 27 | \r |
63bdd27a GD |
28 | /**\r |
29 | Convert a packed value from cbuint64 to a UINT64 value.\r | |
30 | \r | |
31 | @param val The pointer to packed data.\r | |
32 | \r | |
33 | @return the UNIT64 value after convertion.\r | |
34 | \r | |
35 | **/\r | |
2d90b74d | 36 | UINT64\r |
63bdd27a GD |
37 | cb_unpack64 (\r |
38 | IN struct cbuint64 val\r | |
39 | )\r | |
fce4ecd9 | 40 | {\r |
5451fff4 | 41 | return LShiftU64 (val.hi, 32) | val.lo;\r |
fce4ecd9 MM |
42 | }\r |
43 | \r | |
63bdd27a GD |
44 | \r |
45 | /**\r | |
46 | Returns the sum of all elements in a buffer of 16-bit values. During\r | |
47 | calculation, the carry bits are also been added.\r | |
48 | \r | |
49 | @param Buffer The pointer to the buffer to carry out the sum operation.\r | |
50 | @param Length The size, in bytes, of Buffer.\r | |
51 | \r | |
52 | @return Sum The sum of Buffer with carry bits included during additions.\r | |
53 | \r | |
54 | **/\r | |
fce4ecd9 MM |
55 | UINT16\r |
56 | CbCheckSum16 (\r | |
57 | IN UINT16 *Buffer,\r | |
58 | IN UINTN Length\r | |
59 | )\r | |
60 | {\r | |
11e058ec GD |
61 | UINT32 Sum, TmpValue;\r |
62 | UINTN Idx;\r | |
63 | UINT8 *TmpPtr;\r | |
64 | \r | |
65 | Sum = 0;\r | |
66 | TmpPtr = (UINT8 *)Buffer;\r | |
67 | for(Idx = 0; Idx < Length; Idx++) {\r | |
68 | TmpValue = TmpPtr[Idx];\r | |
69 | if (Idx % 2 == 1) {\r | |
70 | TmpValue <<= 8;\r | |
71 | }\r | |
72 | \r | |
73 | Sum += TmpValue;\r | |
74 | \r | |
75 | // Wrap\r | |
76 | if (Sum >= 0x10000) {\r | |
77 | Sum = (Sum + (Sum >> 16)) & 0xFFFF;\r | |
78 | }\r | |
79 | }\r | |
80 | \r | |
81 | return (UINT16)((~Sum) & 0xFFFF);\r | |
fce4ecd9 MM |
82 | }\r |
83 | \r | |
63bdd27a GD |
84 | \r |
85 | /**\r | |
86 | Find coreboot record with given Tag from the memory Start in 4096\r | |
87 | bytes range.\r | |
88 | \r | |
89 | @param Start The start memory to be searched in\r | |
90 | @param Tag The tag id to be found\r | |
91 | \r | |
92 | @retval NULL The Tag is not found.\r | |
93 | @retval Others The poiter to the record found.\r | |
94 | \r | |
95 | **/\r | |
fce4ecd9 MM |
96 | VOID *\r |
97 | FindCbTag (\r | |
63bdd27a | 98 | IN VOID *Start,\r |
fce4ecd9 MM |
99 | IN UINT32 Tag\r |
100 | )\r | |
101 | {\r | |
102 | struct cb_header *Header;\r | |
103 | struct cb_record *Record;\r | |
11e058ec GD |
104 | UINT8 *TmpPtr;\r |
105 | UINT8 *TagPtr;\r | |
106 | UINTN Idx;\r | |
fce4ecd9 | 107 | UINT16 CheckSum;\r |
11e058ec | 108 | \r |
fce4ecd9 MM |
109 | Header = NULL;\r |
110 | TmpPtr = (UINT8 *)Start;\r | |
111 | for (Idx = 0; Idx < 4096; Idx += 16, TmpPtr += 16) {\r | |
63bdd27a | 112 | Header = (struct cb_header *)TmpPtr;\r |
fce4ecd9 MM |
113 | if (Header->signature == CB_HEADER_SIGNATURE) {\r |
114 | break;\r | |
115 | }\r | |
116 | }\r | |
11e058ec | 117 | \r |
63bdd27a | 118 | if (Idx >= 4096) {\r |
11e058ec | 119 | return NULL;\r |
63bdd27a | 120 | }\r |
11e058ec | 121 | \r |
63bdd27a | 122 | if ((Header == NULL) || (Header->table_bytes == 0)) {\r |
fce4ecd9 | 123 | return NULL;\r |
63bdd27a | 124 | }\r |
11e058ec | 125 | \r |
fce4ecd9 MM |
126 | //\r |
127 | // Check the checksum of the coreboot table header\r | |
128 | //\r | |
129 | CheckSum = CbCheckSum16 ((UINT16 *)Header, sizeof (*Header));\r | |
130 | if (CheckSum != 0) {\r | |
11e058ec GD |
131 | DEBUG ((EFI_D_ERROR, "Invalid coreboot table header checksum\n"));\r |
132 | return NULL;\r | |
133 | }\r | |
134 | \r | |
fce4ecd9 MM |
135 | CheckSum = CbCheckSum16 ((UINT16 *)(TmpPtr + sizeof (*Header)), Header->table_bytes);\r |
136 | if (CheckSum != Header->table_checksum) {\r | |
11e058ec GD |
137 | DEBUG ((EFI_D_ERROR, "Incorrect checksum of all the coreboot table entries\n"));\r |
138 | return NULL;\r | |
fce4ecd9 | 139 | }\r |
11e058ec | 140 | \r |
fce4ecd9 MM |
141 | TagPtr = NULL;\r |
142 | TmpPtr += Header->header_bytes;\r | |
143 | for (Idx = 0; Idx < Header->table_entries; Idx++) {\r | |
11e058ec | 144 | Record = (struct cb_record *)TmpPtr;\r |
fce4ecd9 MM |
145 | if (Record->tag == CB_TAG_FORWARD) {\r |
146 | TmpPtr = (VOID *)(UINTN)((struct cb_forward *)(UINTN)Record)->forward;\r | |
63bdd27a | 147 | if (Tag == CB_TAG_FORWARD) {\r |
fce4ecd9 | 148 | return TmpPtr;\r |
63bdd27a | 149 | } else {\r |
fce4ecd9 | 150 | return FindCbTag (TmpPtr, Tag);\r |
63bdd27a | 151 | }\r |
11e058ec | 152 | }\r |
fce4ecd9 MM |
153 | if (Record->tag == Tag) {\r |
154 | TagPtr = TmpPtr;\r | |
155 | break;\r | |
156 | }\r | |
11e058ec | 157 | TmpPtr += Record->size;\r |
fce4ecd9 | 158 | }\r |
11e058ec | 159 | \r |
fce4ecd9 MM |
160 | return TagPtr;\r |
161 | }\r | |
162 | \r | |
63bdd27a GD |
163 | \r |
164 | /**\r | |
165 | Find the given table with TableId from the given coreboot memory Root.\r | |
166 | \r | |
167 | @param Root The coreboot memory table to be searched in\r | |
168 | @param TableId Table id to be found\r | |
169 | @param pMemTable To save the base address of the memory table found\r | |
170 | @param pMemTableSize To save the size of memory table found\r | |
171 | \r | |
172 | @retval RETURN_SUCCESS Successfully find out the memory table.\r | |
173 | @retval RETURN_INVALID_PARAMETER Invalid input parameters.\r | |
174 | @retval RETURN_NOT_FOUND Failed to find the memory table.\r | |
175 | \r | |
176 | **/\r | |
fce4ecd9 | 177 | RETURN_STATUS\r |
11e058ec | 178 | FindCbMemTable (\r |
165c0059 GD |
179 | IN struct cbmem_root *Root,\r |
180 | IN UINT32 TableId,\r | |
181 | OUT VOID **pMemTable,\r | |
182 | OUT UINT32 *pMemTableSize\r | |
11e058ec GD |
183 | )\r |
184 | {\r | |
165c0059 GD |
185 | UINTN Idx;\r |
186 | BOOLEAN IsImdEntry;\r | |
187 | struct cbmem_entry *Entries;\r | |
11e058ec | 188 | \r |
165c0059 GD |
189 | if ((Root == NULL) || (pMemTable == NULL)) {\r |
190 | return RETURN_INVALID_PARAMETER;\r | |
191 | }\r | |
165c0059 GD |
192 | //\r |
193 | // Check if the entry is CBMEM or IMD\r | |
194 | // and handle them separately\r | |
195 | //\r | |
63bdd27a | 196 | Entries = Root->entries;\r |
165c0059 GD |
197 | if (Entries[0].magic == CBMEM_ENTRY_MAGIC) {\r |
198 | IsImdEntry = FALSE;\r | |
199 | } else {\r | |
63bdd27a | 200 | Entries = (struct cbmem_entry *)((struct imd_root *)Root)->entries;\r |
165c0059 GD |
201 | if (Entries[0].magic == IMD_ENTRY_MAGIC) {\r |
202 | IsImdEntry = TRUE;\r | |
203 | } else {\r | |
204 | return RETURN_NOT_FOUND;\r | |
205 | }\r | |
206 | }\r | |
207 | \r | |
208 | for (Idx = 0; Idx < Root->num_entries; Idx++) {\r | |
209 | if (Entries[Idx].id == TableId) {\r | |
210 | if (IsImdEntry) {\r | |
211 | *pMemTable = (VOID *) ((UINTN)Entries[Idx].start + (UINTN)Root);\r | |
212 | } else {\r | |
213 | *pMemTable = (VOID *) (UINTN)Entries[Idx].start;\r | |
214 | }\r | |
215 | if (pMemTableSize != NULL) {\r | |
216 | *pMemTableSize = Entries[Idx].size;\r | |
217 | }\r | |
11e058ec | 218 | \r |
2d90b74d | 219 | DEBUG ((EFI_D_INFO, "Find CbMemTable Id 0x%x, base %p, size 0x%x\n",\r |
220 | TableId, *pMemTable, Entries[Idx].size));\r | |
11e058ec | 221 | return RETURN_SUCCESS;\r |
fce4ecd9 MM |
222 | }\r |
223 | }\r | |
11e058ec GD |
224 | \r |
225 | return RETURN_NOT_FOUND;\r | |
fce4ecd9 MM |
226 | }\r |
227 | \r | |
228 | \r | |
229 | /**\r | |
230 | Acquire the memory information from the coreboot table in memory.\r | |
231 | \r | |
2d90b74d | 232 | @param MemInfoCallback The callback routine\r |
233 | @param pParam Pointer to the callback routine parameter\r | |
fce4ecd9 MM |
234 | \r |
235 | @retval RETURN_SUCCESS Successfully find out the memory information.\r | |
fce4ecd9 MM |
236 | @retval RETURN_NOT_FOUND Failed to find the memory information.\r |
237 | \r | |
238 | **/\r | |
239 | RETURN_STATUS\r | |
240 | CbParseMemoryInfo (\r | |
2d90b74d | 241 | IN CB_MEM_INFO_CALLBACK MemInfoCallback,\r |
242 | IN VOID *pParam\r | |
fce4ecd9 MM |
243 | )\r |
244 | {\r | |
63bdd27a GD |
245 | struct cb_memory *rec;\r |
246 | struct cb_memory_range *Range;\r | |
fce4ecd9 MM |
247 | UINT64 Start;\r |
248 | UINT64 Size;\r | |
11e058ec GD |
249 | UINTN Index;\r |
250 | \r | |
11e058ec GD |
251 | //\r |
252 | // Get the coreboot memory table\r | |
253 | //\r | |
254 | rec = (struct cb_memory *)FindCbTag (0, CB_TAG_MEMORY);\r | |
63bdd27a | 255 | if (rec == NULL) {\r |
11e058ec | 256 | rec = (struct cb_memory *)FindCbTag ((VOID *)(UINTN)PcdGet32 (PcdCbHeaderPointer), CB_TAG_MEMORY);\r |
63bdd27a | 257 | }\r |
11e058ec | 258 | \r |
63bdd27a | 259 | if (rec == NULL) {\r |
11e058ec | 260 | return RETURN_NOT_FOUND;\r |
63bdd27a | 261 | }\r |
11e058ec | 262 | \r |
11e058ec GD |
263 | for (Index = 0; Index < MEM_RANGE_COUNT(rec); Index++) {\r |
264 | Range = MEM_RANGE_PTR(rec, Index);\r | |
fce4ecd9 MM |
265 | Start = cb_unpack64(Range->start);\r |
266 | Size = cb_unpack64(Range->size);\r | |
63bdd27a | 267 | DEBUG ((EFI_D_INFO, "%d. %016lx - %016lx [%02x]\n",\r |
11e058ec GD |
268 | Index, Start, Start + Size - 1, Range->type));\r |
269 | \r | |
2d90b74d | 270 | MemInfoCallback (Start, Size, Range->type, pParam);\r |
fce4ecd9 | 271 | }\r |
11e058ec | 272 | \r |
11e058ec | 273 | return RETURN_SUCCESS;\r |
fce4ecd9 MM |
274 | }\r |
275 | \r | |
276 | \r | |
277 | /**\r | |
278 | Acquire the coreboot memory table with the given table id\r | |
279 | \r | |
280 | @param TableId Table id to be searched\r | |
281 | @param pMemTable Pointer to the base address of the memory table\r | |
282 | @param pMemTableSize Pointer to the size of the memory table\r | |
283 | \r | |
284 | @retval RETURN_SUCCESS Successfully find out the memory table.\r | |
285 | @retval RETURN_INVALID_PARAMETER Invalid input parameters.\r | |
286 | @retval RETURN_NOT_FOUND Failed to find the memory table.\r | |
287 | \r | |
288 | **/\r | |
289 | RETURN_STATUS\r | |
290 | CbParseCbMemTable (\r | |
63bdd27a GD |
291 | IN UINT32 TableId,\r |
292 | OUT VOID **pMemTable,\r | |
293 | OUT UINT32 *pMemTableSize\r | |
fce4ecd9 MM |
294 | )\r |
295 | {\r | |
63bdd27a GD |
296 | struct cb_memory *rec;\r |
297 | struct cb_memory_range *Range;\r | |
fce4ecd9 MM |
298 | UINT64 Start;\r |
299 | UINT64 Size;\r | |
11e058ec GD |
300 | UINTN Index;\r |
301 | \r | |
63bdd27a | 302 | if (pMemTable == NULL) {\r |
11e058ec | 303 | return RETURN_INVALID_PARAMETER;\r |
63bdd27a | 304 | }\r |
11e058ec GD |
305 | *pMemTable = NULL;\r |
306 | \r | |
307 | //\r | |
308 | // Get the coreboot memory table\r | |
309 | //\r | |
310 | rec = (struct cb_memory *)FindCbTag (0, CB_TAG_MEMORY);\r | |
63bdd27a | 311 | if (rec == NULL) {\r |
11e058ec | 312 | rec = (struct cb_memory *)FindCbTag ((VOID *)(UINTN)PcdGet32 (PcdCbHeaderPointer), CB_TAG_MEMORY);\r |
63bdd27a | 313 | }\r |
11e058ec | 314 | \r |
63bdd27a | 315 | if (rec == NULL) {\r |
11e058ec | 316 | return RETURN_NOT_FOUND;\r |
63bdd27a | 317 | }\r |
11e058ec GD |
318 | \r |
319 | for (Index = 0; Index < MEM_RANGE_COUNT(rec); Index++) {\r | |
320 | Range = MEM_RANGE_PTR(rec, Index);\r | |
fce4ecd9 MM |
321 | Start = cb_unpack64(Range->start);\r |
322 | Size = cb_unpack64(Range->size);\r | |
11e058ec | 323 | \r |
fce4ecd9 | 324 | if ((Range->type == CB_MEM_TABLE) && (Start > 0x1000)) {\r |
11e058ec GD |
325 | if (FindCbMemTable ((struct cbmem_root *)(UINTN)(Start + Size - DYN_CBMEM_ALIGN_SIZE), TableId, pMemTable, pMemTableSize) == RETURN_SUCCESS)\r |
326 | return RETURN_SUCCESS;\r | |
fce4ecd9 MM |
327 | }\r |
328 | }\r | |
11e058ec GD |
329 | \r |
330 | return RETURN_NOT_FOUND;\r | |
fce4ecd9 MM |
331 | }\r |
332 | \r | |
333 | \r | |
334 | /**\r | |
335 | Acquire the acpi table from coreboot\r | |
336 | \r | |
337 | @param pMemTable Pointer to the base address of the memory table\r | |
338 | @param pMemTableSize Pointer to the size of the memory table\r | |
339 | \r | |
340 | @retval RETURN_SUCCESS Successfully find out the memory table.\r | |
341 | @retval RETURN_INVALID_PARAMETER Invalid input parameters.\r | |
342 | @retval RETURN_NOT_FOUND Failed to find the memory table.\r | |
343 | \r | |
344 | **/\r | |
345 | RETURN_STATUS\r | |
346 | CbParseAcpiTable (\r | |
63bdd27a GD |
347 | OUT VOID **pMemTable,\r |
348 | OUT UINT32 *pMemTableSize\r | |
fce4ecd9 MM |
349 | )\r |
350 | {\r | |
1e6c931b | 351 | return CbParseCbMemTable (SIGNATURE_32 ('I', 'P', 'C', 'A'), pMemTable, pMemTableSize);\r |
fce4ecd9 MM |
352 | }\r |
353 | \r | |
354 | /**\r | |
355 | Acquire the smbios table from coreboot\r | |
356 | \r | |
357 | @param pMemTable Pointer to the base address of the memory table\r | |
358 | @param pMemTableSize Pointer to the size of the memory table\r | |
359 | \r | |
360 | @retval RETURN_SUCCESS Successfully find out the memory table.\r | |
361 | @retval RETURN_INVALID_PARAMETER Invalid input parameters.\r | |
362 | @retval RETURN_NOT_FOUND Failed to find the memory table.\r | |
363 | \r | |
364 | **/\r | |
365 | RETURN_STATUS\r | |
366 | CbParseSmbiosTable (\r | |
63bdd27a GD |
367 | OUT VOID **pMemTable,\r |
368 | OUT UINT32 *pMemTableSize\r | |
fce4ecd9 MM |
369 | )\r |
370 | {\r | |
11e058ec | 371 | return CbParseCbMemTable (SIGNATURE_32 ('T', 'B', 'M', 'S'), pMemTable, pMemTableSize);\r |
fce4ecd9 MM |
372 | }\r |
373 | \r | |
374 | /**\r | |
375 | Find the required fadt information\r | |
376 | \r | |
377 | @param pPmCtrlReg Pointer to the address of power management control register\r | |
378 | @param pPmTimerReg Pointer to the address of power management timer register\r | |
379 | @param pResetReg Pointer to the address of system reset register\r | |
380 | @param pResetValue Pointer to the value to be writen to the system reset register\r | |
05de9ab2 GD |
381 | @param pPmEvtReg Pointer to the address of power management event register\r |
382 | @param pPmGpeEnReg Pointer to the address of power management GPE enable register\r | |
fce4ecd9 MM |
383 | \r |
384 | @retval RETURN_SUCCESS Successfully find out all the required fadt information.\r | |
385 | @retval RETURN_NOT_FOUND Failed to find the fadt table.\r | |
386 | \r | |
387 | **/\r | |
388 | RETURN_STATUS\r | |
389 | CbParseFadtInfo (\r | |
63bdd27a GD |
390 | OUT UINTN *pPmCtrlReg,\r |
391 | OUT UINTN *pPmTimerReg,\r | |
392 | OUT UINTN *pResetReg,\r | |
05de9ab2 GD |
393 | OUT UINTN *pResetValue,\r |
394 | OUT UINTN *pPmEvtReg,\r | |
395 | OUT UINTN *pPmGpeEnReg\r | |
fce4ecd9 MM |
396 | )\r |
397 | {\r | |
63bdd27a GD |
398 | EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp;\r |
399 | EFI_ACPI_DESCRIPTION_HEADER *Rsdt;\r | |
400 | UINT32 *Entry32;\r | |
fce4ecd9 | 401 | UINTN Entry32Num;\r |
63bdd27a GD |
402 | EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt;\r |
403 | EFI_ACPI_DESCRIPTION_HEADER *Xsdt;\r | |
404 | UINT64 *Entry64;\r | |
fce4ecd9 | 405 | UINTN Entry64Num;\r |
11e058ec GD |
406 | UINTN Idx;\r |
407 | RETURN_STATUS Status;\r | |
408 | \r | |
409 | Rsdp = NULL;\r | |
410 | Status = RETURN_SUCCESS;\r | |
411 | \r | |
2e1fffce | 412 | Status = CbParseAcpiTable ((VOID **)&Rsdp, NULL);\r |
63bdd27a | 413 | if (RETURN_ERROR(Status)) {\r |
11e058ec | 414 | return Status;\r |
63bdd27a | 415 | }\r |
11e058ec | 416 | \r |
63bdd27a | 417 | if (Rsdp == NULL) {\r |
11e058ec | 418 | return RETURN_NOT_FOUND;\r |
63bdd27a | 419 | }\r |
11e058ec | 420 | \r |
63bdd27a GD |
421 | DEBUG ((EFI_D_INFO, "Find Rsdp at %p\n", Rsdp));\r |
422 | DEBUG ((EFI_D_INFO, "Find Rsdt 0x%x, Xsdt 0x%lx\n", Rsdp->RsdtAddress, Rsdp->XsdtAddress));\r | |
11e058ec GD |
423 | \r |
424 | //\r | |
425 | // Search Rsdt First\r | |
426 | //\r | |
427 | Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN)(Rsdp->RsdtAddress);\r | |
428 | if (Rsdt != NULL) {\r | |
429 | Entry32 = (UINT32 *)(Rsdt + 1);\r | |
430 | Entry32Num = (Rsdt->Length - sizeof(EFI_ACPI_DESCRIPTION_HEADER)) >> 2;\r | |
431 | for (Idx = 0; Idx < Entry32Num; Idx++) {\r | |
432 | if (*(UINT32 *)(UINTN)(Entry32[Idx]) == EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {\r | |
433 | Fadt = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *)(UINTN)(Entry32[Idx]);\r | |
63bdd27a | 434 | if (pPmCtrlReg != NULL) {\r |
11e058ec | 435 | *pPmCtrlReg = Fadt->Pm1aCntBlk;\r |
63bdd27a GD |
436 | }\r |
437 | DEBUG ((EFI_D_INFO, "PmCtrl Reg 0x%x\n", Fadt->Pm1aCntBlk));\r | |
11e058ec | 438 | \r |
63bdd27a | 439 | if (pPmTimerReg != NULL) {\r |
11e058ec | 440 | *pPmTimerReg = Fadt->PmTmrBlk;\r |
63bdd27a GD |
441 | }\r |
442 | DEBUG ((EFI_D_INFO, "PmTimer Reg 0x%x\n", Fadt->PmTmrBlk));\r | |
11e058ec | 443 | \r |
63bdd27a | 444 | if (pResetReg != NULL) {\r |
11e058ec | 445 | *pResetReg = (UINTN)Fadt->ResetReg.Address;\r |
63bdd27a GD |
446 | }\r |
447 | DEBUG ((EFI_D_INFO, "Reset Reg 0x%lx\n", Fadt->ResetReg.Address));\r | |
11e058ec | 448 | \r |
63bdd27a | 449 | if (pResetValue != NULL) {\r |
11e058ec | 450 | *pResetValue = Fadt->ResetValue;\r |
63bdd27a GD |
451 | }\r |
452 | DEBUG ((EFI_D_INFO, "Reset Value 0x%x\n", Fadt->ResetValue));\r | |
11e058ec | 453 | \r |
2d90b74d | 454 | if (pPmEvtReg != NULL) {\r |
05de9ab2 GD |
455 | *pPmEvtReg = Fadt->Pm1aEvtBlk;\r |
456 | DEBUG ((EFI_D_INFO, "PmEvt Reg 0x%x\n", Fadt->Pm1aEvtBlk));\r | |
457 | }\r | |
458 | \r | |
2d90b74d | 459 | if (pPmGpeEnReg != NULL) {\r |
05de9ab2 GD |
460 | *pPmGpeEnReg = Fadt->Gpe0Blk + Fadt->Gpe0BlkLen / 2;\r |
461 | DEBUG ((EFI_D_INFO, "PmGpeEn Reg 0x%x\n", *pPmGpeEnReg));\r | |
462 | }\r | |
463 | \r | |
2d90b74d | 464 | //\r |
465 | // Verify values for proper operation\r | |
466 | //\r | |
467 | ASSERT(Fadt->Pm1aCntBlk != 0);\r | |
468 | ASSERT(Fadt->PmTmrBlk != 0);\r | |
469 | ASSERT(Fadt->ResetReg.Address != 0);\r | |
470 | ASSERT(Fadt->Pm1aEvtBlk != 0);\r | |
471 | ASSERT(Fadt->Gpe0Blk != 0);\r | |
472 | \r | |
11e058ec GD |
473 | return RETURN_SUCCESS;\r |
474 | }\r | |
475 | }\r | |
476 | }\r | |
477 | \r | |
478 | //\r | |
479 | // Search Xsdt Second\r | |
480 | //\r | |
481 | Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN)(Rsdp->XsdtAddress);\r | |
482 | if (Xsdt != NULL) {\r | |
483 | Entry64 = (UINT64 *)(Xsdt + 1);\r | |
484 | Entry64Num = (Xsdt->Length - sizeof(EFI_ACPI_DESCRIPTION_HEADER)) >> 3;\r | |
485 | for (Idx = 0; Idx < Entry64Num; Idx++) {\r | |
486 | if (*(UINT32 *)(UINTN)(Entry64[Idx]) == EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {\r | |
487 | Fadt = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *)(UINTN)(Entry64[Idx]);\r | |
488 | if (pPmCtrlReg)\r | |
489 | *pPmCtrlReg = Fadt->Pm1aCntBlk;\r | |
490 | DEBUG ((EFI_D_ERROR, "PmCtrl Reg 0x%x\n", Fadt->Pm1aCntBlk));\r | |
491 | \r | |
492 | if (pPmTimerReg)\r | |
493 | *pPmTimerReg = Fadt->PmTmrBlk;\r | |
494 | DEBUG ((EFI_D_ERROR, "PmTimer Reg 0x%x\n", Fadt->PmTmrBlk));\r | |
495 | \r | |
496 | if (pResetReg)\r | |
497 | *pResetReg = (UINTN)Fadt->ResetReg.Address;\r | |
498 | DEBUG ((EFI_D_ERROR, "Reset Reg 0x%lx\n", Fadt->ResetReg.Address));\r | |
499 | \r | |
500 | if (pResetValue)\r | |
501 | *pResetValue = Fadt->ResetValue;\r | |
502 | DEBUG ((EFI_D_ERROR, "Reset Value 0x%x\n", Fadt->ResetValue));\r | |
503 | \r | |
2d90b74d | 504 | if (pPmEvtReg != NULL) {\r |
05de9ab2 GD |
505 | *pPmEvtReg = Fadt->Pm1aEvtBlk;\r |
506 | DEBUG ((EFI_D_INFO, "PmEvt Reg 0x%x\n", Fadt->Pm1aEvtBlk));\r | |
507 | }\r | |
508 | \r | |
2d90b74d | 509 | if (pPmGpeEnReg != NULL) {\r |
05de9ab2 GD |
510 | *pPmGpeEnReg = Fadt->Gpe0Blk + Fadt->Gpe0BlkLen / 2;\r |
511 | DEBUG ((EFI_D_INFO, "PmGpeEn Reg 0x%x\n", *pPmGpeEnReg));\r | |
2d90b74d | 512 | }\r |
11e058ec GD |
513 | return RETURN_SUCCESS;\r |
514 | }\r | |
515 | }\r | |
516 | }\r | |
517 | \r | |
518 | return RETURN_NOT_FOUND;\r | |
fce4ecd9 MM |
519 | }\r |
520 | \r | |
521 | /**\r | |
522 | Find the serial port information\r | |
523 | \r | |
524 | @param pRegBase Pointer to the base address of serial port registers\r | |
525 | @param pRegAccessType Pointer to the access type of serial port registers\r | |
2d90b74d | 526 | @param pRegWidth Pointer to the register width in bytes\r |
fce4ecd9 | 527 | @param pBaudrate Pointer to the serial port baudrate\r |
2d90b74d | 528 | @param pInputHertz Pointer to the input clock frequency\r |
529 | @param pUartPciAddr Pointer to the UART PCI bus, dev and func address\r | |
fce4ecd9 MM |
530 | \r |
531 | @retval RETURN_SUCCESS Successfully find the serial port information.\r | |
532 | @retval RETURN_NOT_FOUND Failed to find the serial port information .\r | |
533 | \r | |
534 | **/\r | |
535 | RETURN_STATUS\r | |
536 | CbParseSerialInfo (\r | |
63bdd27a GD |
537 | OUT UINT32 *pRegBase,\r |
538 | OUT UINT32 *pRegAccessType,\r | |
2d90b74d | 539 | OUT UINT32 *pRegWidth,\r |
540 | OUT UINT32 *pBaudrate,\r | |
541 | OUT UINT32 *pInputHertz,\r | |
542 | OUT UINT32 *pUartPciAddr\r | |
fce4ecd9 MM |
543 | )\r |
544 | {\r | |
63bdd27a | 545 | struct cb_serial *CbSerial;\r |
11e058ec GD |
546 | \r |
547 | CbSerial = FindCbTag (0, CB_TAG_SERIAL);\r | |
63bdd27a | 548 | if (CbSerial == NULL) {\r |
11e058ec | 549 | CbSerial = FindCbTag ((VOID *)(UINTN)PcdGet32 (PcdCbHeaderPointer), CB_TAG_SERIAL);\r |
63bdd27a | 550 | }\r |
11e058ec | 551 | \r |
63bdd27a | 552 | if (CbSerial == NULL) {\r |
11e058ec | 553 | return RETURN_NOT_FOUND;\r |
63bdd27a | 554 | }\r |
11e058ec | 555 | \r |
63bdd27a | 556 | if (pRegBase != NULL) {\r |
11e058ec | 557 | *pRegBase = CbSerial->baseaddr;\r |
63bdd27a | 558 | }\r |
11e058ec | 559 | \r |
2d90b74d | 560 | if (pRegWidth != NULL) {\r |
561 | *pRegWidth = CbSerial->regwidth;\r | |
562 | }\r | |
563 | \r | |
63bdd27a | 564 | if (pRegAccessType != NULL) {\r |
11e058ec | 565 | *pRegAccessType = CbSerial->type;\r |
63bdd27a | 566 | }\r |
11e058ec | 567 | \r |
63bdd27a | 568 | if (pBaudrate != NULL) {\r |
11e058ec | 569 | *pBaudrate = CbSerial->baud;\r |
63bdd27a | 570 | }\r |
11e058ec | 571 | \r |
2d90b74d | 572 | if (pInputHertz != NULL) {\r |
573 | *pInputHertz = CbSerial->input_hertz;\r | |
574 | }\r | |
575 | \r | |
576 | if (pUartPciAddr != NULL) {\r | |
577 | *pUartPciAddr = CbSerial->uart_pci_addr;\r | |
578 | }\r | |
579 | \r | |
11e058ec | 580 | return RETURN_SUCCESS;\r |
fce4ecd9 MM |
581 | }\r |
582 | \r | |
583 | /**\r | |
584 | Search for the coreboot table header\r | |
585 | \r | |
586 | @param Level Level of the search depth\r | |
587 | @param HeaderPtr Pointer to the pointer of coreboot table header\r | |
588 | \r | |
589 | @retval RETURN_SUCCESS Successfully find the coreboot table header .\r | |
590 | @retval RETURN_NOT_FOUND Failed to find the coreboot table header .\r | |
591 | \r | |
592 | **/\r | |
593 | RETURN_STATUS\r | |
594 | CbParseGetCbHeader (\r | |
63bdd27a GD |
595 | IN UINTN Level,\r |
596 | OUT VOID **HeaderPtr\r | |
fce4ecd9 MM |
597 | )\r |
598 | {\r | |
11e058ec | 599 | UINTN Index;\r |
63bdd27a | 600 | VOID *TempPtr;\r |
11e058ec | 601 | \r |
63bdd27a | 602 | if (HeaderPtr == NULL) {\r |
11e058ec | 603 | return RETURN_NOT_FOUND;\r |
63bdd27a | 604 | }\r |
11e058ec GD |
605 | \r |
606 | TempPtr = NULL;\r | |
607 | for (Index = 0; Index < Level; Index++) {\r | |
608 | TempPtr = FindCbTag (TempPtr, CB_TAG_FORWARD);\r | |
63bdd27a | 609 | if (TempPtr == NULL) {\r |
11e058ec | 610 | break;\r |
63bdd27a | 611 | }\r |
11e058ec GD |
612 | }\r |
613 | \r | |
614 | if ((Index >= Level) && (TempPtr != NULL)) {\r | |
615 | *HeaderPtr = TempPtr;\r | |
616 | return RETURN_SUCCESS;\r | |
617 | }\r | |
618 | \r | |
619 | return RETURN_NOT_FOUND;\r | |
fce4ecd9 MM |
620 | }\r |
621 | \r | |
622 | /**\r | |
623 | Find the video frame buffer information\r | |
624 | \r | |
625 | @param pFbInfo Pointer to the FRAME_BUFFER_INFO structure\r | |
626 | \r | |
627 | @retval RETURN_SUCCESS Successfully find the video frame buffer information.\r | |
628 | @retval RETURN_NOT_FOUND Failed to find the video frame buffer information .\r | |
629 | \r | |
630 | **/\r | |
631 | RETURN_STATUS\r | |
632 | CbParseFbInfo (\r | |
63bdd27a | 633 | OUT FRAME_BUFFER_INFO *pFbInfo\r |
fce4ecd9 MM |
634 | )\r |
635 | {\r | |
63bdd27a | 636 | struct cb_framebuffer *CbFbRec;\r |
11e058ec | 637 | \r |
63bdd27a | 638 | if (pFbInfo == NULL) {\r |
11e058ec | 639 | return RETURN_INVALID_PARAMETER;\r |
63bdd27a | 640 | }\r |
11e058ec GD |
641 | \r |
642 | CbFbRec = FindCbTag (0, CB_TAG_FRAMEBUFFER);\r | |
63bdd27a | 643 | if (CbFbRec == NULL) {\r |
11e058ec | 644 | CbFbRec = FindCbTag ((VOID *)(UINTN)PcdGet32 (PcdCbHeaderPointer), CB_TAG_FRAMEBUFFER);\r |
63bdd27a | 645 | }\r |
11e058ec | 646 | \r |
63bdd27a | 647 | if (CbFbRec == NULL) {\r |
11e058ec | 648 | return RETURN_NOT_FOUND;\r |
63bdd27a | 649 | }\r |
11e058ec | 650 | \r |
63bdd27a GD |
651 | DEBUG ((EFI_D_INFO, "Found coreboot video frame buffer information\n"));\r |
652 | DEBUG ((EFI_D_INFO, "physical_address: 0x%lx\n", CbFbRec->physical_address));\r | |
653 | DEBUG ((EFI_D_INFO, "x_resolution: 0x%x\n", CbFbRec->x_resolution));\r | |
654 | DEBUG ((EFI_D_INFO, "y_resolution: 0x%x\n", CbFbRec->y_resolution));\r | |
655 | DEBUG ((EFI_D_INFO, "bits_per_pixel: 0x%x\n", CbFbRec->bits_per_pixel));\r | |
656 | DEBUG ((EFI_D_INFO, "bytes_per_line: 0x%x\n", CbFbRec->bytes_per_line));\r | |
657 | \r | |
658 | DEBUG ((EFI_D_INFO, "red_mask_size: 0x%x\n", CbFbRec->red_mask_size));\r | |
659 | DEBUG ((EFI_D_INFO, "red_mask_pos: 0x%x\n", CbFbRec->red_mask_pos));\r | |
660 | DEBUG ((EFI_D_INFO, "green_mask_size: 0x%x\n", CbFbRec->green_mask_size));\r | |
661 | DEBUG ((EFI_D_INFO, "green_mask_pos: 0x%x\n", CbFbRec->green_mask_pos));\r | |
662 | DEBUG ((EFI_D_INFO, "blue_mask_size: 0x%x\n", CbFbRec->blue_mask_size));\r | |
663 | DEBUG ((EFI_D_INFO, "blue_mask_pos: 0x%x\n", CbFbRec->blue_mask_pos));\r | |
664 | DEBUG ((EFI_D_INFO, "reserved_mask_size: 0x%x\n", CbFbRec->reserved_mask_size));\r | |
665 | DEBUG ((EFI_D_INFO, "reserved_mask_pos: 0x%x\n", CbFbRec->reserved_mask_pos));\r | |
11e058ec GD |
666 | \r |
667 | pFbInfo->LinearFrameBuffer = CbFbRec->physical_address;\r | |
fce4ecd9 MM |
668 | pFbInfo->HorizontalResolution = CbFbRec->x_resolution;\r |
669 | pFbInfo->VerticalResolution = CbFbRec->y_resolution;\r | |
670 | pFbInfo->BitsPerPixel = CbFbRec->bits_per_pixel;\r | |
671 | pFbInfo->BytesPerScanLine = (UINT16)CbFbRec->bytes_per_line;\r | |
672 | pFbInfo->Red.Mask = (1 << CbFbRec->red_mask_size) - 1;\r | |
673 | pFbInfo->Red.Position = CbFbRec->red_mask_pos;\r | |
674 | pFbInfo->Green.Mask = (1 << CbFbRec->green_mask_size) - 1;\r | |
675 | pFbInfo->Green.Position = CbFbRec->green_mask_pos;\r | |
676 | pFbInfo->Blue.Mask = (1 << CbFbRec->blue_mask_size) - 1;\r | |
677 | pFbInfo->Blue.Position = CbFbRec->blue_mask_pos;\r | |
678 | pFbInfo->Reserved.Mask = (1 << CbFbRec->reserved_mask_size) - 1;\r | |
11e058ec | 679 | pFbInfo->Reserved.Position = CbFbRec->reserved_mask_pos;\r |
fce4ecd9 | 680 | \r |
11e058ec GD |
681 | return RETURN_SUCCESS;\r |
682 | }\r | |
fce4ecd9 | 683 | \r |