blob: 57ca2227103beec9efc5615c3100f89b3144be1b [file] [log] [blame]
Siyuan Wangaffe85f2013-07-25 15:14:15 +08001/* $NoKeywords:$ */
2/**
3 * @file
4 *
5 * Config Fch HwAcpi controller
6 *
7 * Init HwAcpi Controller features.
8 *
9 * @xrefitem bom "File Content Label" "Release Content"
10 * @e project: AGESA
11 * @e sub-project: FCH
12 * @e \$Revision: 87262 $ @e \$Date: 2013-01-31 09:13:43 -0600 (Thu, 31 Jan 2013) $
13 *
14 */
15/*
16*****************************************************************************
17*
18 * Copyright (c) 2008 - 2013, Advanced Micro Devices, Inc.
19 * All rights reserved.
20 *
21 * Redistribution and use in source and binary forms, with or without
22 * modification, are permitted provided that the following conditions are met:
23 * * Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
25 * * Redistributions in binary form must reproduce the above copyright
26 * notice, this list of conditions and the following disclaimer in the
27 * documentation and/or other materials provided with the distribution.
28 * * Neither the name of Advanced Micro Devices, Inc. nor the names of
29 * its contributors may be used to endorse or promote products derived
30 * from this software without specific prior written permission.
31 *
32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
34 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
35 * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
36 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
37 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
38 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
39 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
40 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
41 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42****************************************************************************
43*/
44#include "FchPlatform.h"
45#include "amdlib.h"
46#include "cpuServices.h"
47#include "Filecode.h"
48#define FILECODE PROC_FCH_HWACPI_FAMILY_YANGTZE_YANGTZEHWACPIENVSERVICE_FILECODE
49
50#define AMD_CPUID_APICID_LPC_BID 0x00000001ul // Local APIC ID, Logical Processor Count, Brand ID
51
52ACPI_REG_WRITE FchYangtzeInitEnvSpecificHwAcpiMmioTable[] =
53{
54 {00, 00, 0xB0, 0xAC},
55 {PMIO_BASE >> 8, FCH_PMIOA_REG28, (UINT8)~(BIT0 + BIT2), BIT0}, // Set ASF SMBUS master function enabled here (temporary)
56#ifdef ACPI_SLEEP_TRAP
57 {SMI_BASE >> 8, FCH_SMI_REGB0, (UINT8)~(BIT2 + BIT3), BIT2}, // Set SLP_TYPE as SMI event
58 {PMIO_BASE >> 8, FCH_PMIOA_REGBE, (UINT8)~BIT5, 0x00}, // Disabled SLP function for S1/S3/S4/S5
59 {PMIO_BASE >> 8, 0x08 + 3, (UINT8)~(BIT0 + BIT1), BIT1}, // Set S state transition disabled (BIT0) force ACPI to
60 // send SMI message when writing to SLP_TYP Acpi register. (BIT1)
61 {SMI_BASE >> 8, FCH_SMI_REG98 + 3, (UINT8)~BIT7, 0x00}, // Enabled Global Smi ( BIT7 clear as 0 to enable )
62#endif
63 {PMIO_BASE >> 8, 0x80 + 1, (UINT8)~(BIT3 + BIT4), BIT3 + BIT4},
64 {0xFF, 0xFF, 0xFF, 0xFF},
65};
66
67
68/**
69 * FchInitEnvHwAcpiMmioTable - Fch ACPI MMIO initial
70 * during POST.
71 *
72 */
73ACPI_REG_WRITE FchYangtzeInitEnvHwAcpiMmioTable[] =
74{
75 {00, 00, 0xB0, 0xAC}, /// Signature
76
77 //
78 // HPET workaround
79 //
WANG Siyuan7b6d4122013-07-31 16:55:26 +080080 {PMIO_BASE >> 8, FCH_PMIOA_REG54 + 2, 0x7F, BIT7},
81 {PMIO_BASE >> 8, FCH_PMIOA_REG54 + 2, 0x7F, 0x00},
Siyuan Wangaffe85f2013-07-25 15:14:15 +080082 {PMIO_BASE >> 8, FCH_PMIOA_REGC4, (UINT8)~BIT2, BIT2},
83 {PMIO_BASE >> 8, FCH_PMIOA_REGC0, 0, 0x3D},
84 {PMIO_BASE >> 8, FCH_PMIOA_REGC0 + 1, 0x0, 0x04},
85 {PMIO_BASE >> 8, FCH_PMIOA_REGC2, 0x20, 0x58},
86 {PMIO_BASE >> 8, FCH_PMIOA_REGC2 + 1, 0, 0x40},
87 {PMIO_BASE >> 8, FCH_PMIOA_REGC2, (UINT8)~(BIT4), BIT4},
WANG Siyuan7b6d4122013-07-31 16:55:26 +080088 {PMIO_BASE >> 8, FCH_PMIOA_REGCC, 0xF8, 0x03},
Siyuan Wangaffe85f2013-07-25 15:14:15 +080089 {PMIO_BASE >> 8, FCH_PMIOA_REG74, 0x00, BIT0 + BIT1 + BIT2 + BIT4},
90 {PMIO_BASE >> 8, 0x74 + 3, (UINT8)~BIT5, 0},
91 {PMIO_BASE >> 8, FCH_PMIOA_REGBA, (UINT8)~BIT3, BIT3},
Siyuan Wangaffe85f2013-07-25 15:14:15 +080092 {PMIO_BASE >> 8, FCH_PMIOA_REGBC, (UINT8)~BIT1, BIT1},
Siyuan Wangaffe85f2013-07-25 15:14:15 +080093 {PMIO_BASE >> 8, 0xDC, 0x7C, BIT1},
94
95 {SMI_BASE >> 8, FCH_SMI_Gevent1, 0, 1},
96 {SMI_BASE >> 8, FCH_SMI_Gevent3, 0, 3},
97 {SMI_BASE >> 8, FCH_SMI_Gevent4, 0, 4},
98 {SMI_BASE >> 8, FCH_SMI_Gevent5, 0, 5},
99 {SMI_BASE >> 8, FCH_SMI_Gevent6, 0, 6},
100 {SMI_BASE >> 8, FCH_SMI_Gevent23, 0, 23},
101 {SMI_BASE >> 8, FCH_SMI_xHC0Pme, 0, 11},
102 {SMI_BASE >> 8, FCH_SMI_xHC1Pme, 0, 11},
103 {SMI_BASE >> 8, FCH_SMI_Usbwakup0, 0, 11},
104 {SMI_BASE >> 8, FCH_SMI_Usbwakup1, 0, 11},
105 {SMI_BASE >> 8, FCH_SMI_Usbwakup2, 0, 11},
106 {SMI_BASE >> 8, FCH_SMI_Usbwakup3, 0, 11},
107 {SMI_BASE >> 8, FCH_SMI_IMCGevent0, 0, 12},
108 {SMI_BASE >> 8, FCH_SMI_FanThGevent, 0, 13},
109 {SMI_BASE >> 8, FCH_SMI_SBGppPme0, 0, 15},
110 {SMI_BASE >> 8, FCH_SMI_SBGppPme1, 0, 16},
111 {SMI_BASE >> 8, FCH_SMI_SBGppPme2, 0, 17},
112 {SMI_BASE >> 8, FCH_SMI_SBGppPme3, 0, 18},
113 {SMI_BASE >> 8, FCH_SMI_GecPme, 0, 19},
114 {SMI_BASE >> 8, FCH_SMI_CIRPme, 0, 28},
115 {SMI_BASE >> 8, FCH_SMI_Gevent8, 0, 24},
116// {SMI_BASE >> 8, FCH_SMI_AzaliaPme, 0, 27},
117 {SMI_BASE >> 8, FCH_SMI_SataGevent0, 0, 30},
118 {SMI_BASE >> 8, FCH_SMI_SataGevent1, 0, 31},
119 {SMI_BASE >> 8, FCH_SMI_REG08, 0xE7, 0},
120 {SMI_BASE >> 8, FCH_SMI_REG0C + 2, (UINT8)~BIT3, BIT3},
121 {SMI_BASE >> 8, FCH_SMI_TWARN, 0, 9},
122 {0xFF, 0xFF, 0xFF, 0xFF},
123};
124
125/**
126 * FchYangtzeInitEnvHwAcpiPciTable - PCI device registers initial
127 * during early POST.
128 *
129 */
130REG8_MASK FchYangtzeInitEnvHwAcpiPciTable[] =
131{
132 //
133 // SMBUS Device (Bus 0, Dev 20, Func 0)
134 //
135 {0x00, SMBUS_BUS_DEV_FUN, 0},
136 {FCH_CFG_REG10, 0X00, (FCH_VERSION & 0xFF)}, ///Program the version information
137 {FCH_CFG_REG11, 0X00, (FCH_VERSION >> 8)},
138 {0xFF, 0xFF, 0xFF},
139};
140
141
142/**
143 * ProgramEnvPFchAcpiMmio - Config HwAcpi MMIO registers
144 * Acpi S3 resume won't execute this procedure (POST only)
145 *
146 * @param[in] FchDataPtr Fch configuration structure pointer.
147 *
148 */
149VOID
150ProgramEnvPFchAcpiMmio (
151 IN VOID *FchDataPtr
152 )
153{
154 FCH_DATA_BLOCK *LocalCfgPtr;
155 AMD_CONFIG_PARAMS *StdHeader;
156
157 LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr;
158 StdHeader = LocalCfgPtr->StdHeader;
159
160 ProgramFchAcpiMmioTbl ((ACPI_REG_WRITE*) (&FchYangtzeInitEnvHwAcpiMmioTable[0]), StdHeader);
161}
162
163/**
164 * ProgramFchEnvHwAcpiPciReg - Config HwAcpi PCI controller
165 * before PCI emulation
166 *
167 *
168 *
169 * @param[in] FchDataPtr Fch configuration structure pointer.
170 *
171 */
172VOID
173ProgramFchEnvHwAcpiPciReg (
174 IN VOID *FchDataPtr
175 )
176{
177 FCH_DATA_BLOCK *LocalCfgPtr;
178 AMD_CONFIG_PARAMS *StdHeader;
179
180 LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr;
181 StdHeader = LocalCfgPtr->StdHeader;
182
183 //
184 //Early post initialization of pci config space
185 //
186 ProgramPciByteTable ((REG8_MASK*) (&FchYangtzeInitEnvHwAcpiPciTable[0]), sizeof (FchYangtzeInitEnvHwAcpiPciTable) / sizeof (REG8_MASK), StdHeader);
187
188 if ( LocalCfgPtr->Smbus.SmbusSsid != 0 ) {
189 RwPci ((SMBUS_BUS_DEV_FUN << 16) + FCH_CFG_REG2C, AccessWidth32, 0x00, LocalCfgPtr->Smbus.SmbusSsid, StdHeader);
190 }
WANG Siyuan7b6d4122013-07-31 16:55:26 +0800191 if ( LocalCfgPtr->Misc.NoneSioKbcSupport ) {
192 RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REGED, AccessWidth8, ~(UINT32) ( BIT2 + BIT1), BIT2 + BIT1);
193 } else {
194 RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REGED, AccessWidth8, ~(UINT32) ( BIT2 + BIT1), BIT2);
195 }
Siyuan Wangaffe85f2013-07-25 15:14:15 +0800196 ProgramPcieNativeMode (FchDataPtr);
197}
198
199/**
200 * FchVgaInit - Config VGA CODEC
201 *
202 * @param[in] VOID empty
203 *
204 */
205VOID
206FchVgaInit (
207 OUT VOID
208 )
209{
210}
211
212/**
213 * ProgramSpecificFchInitEnvAcpiMmio - Config HwAcpi MMIO before
214 * PCI emulation
215 *
216 *
217 *
218 * @param[in] FchDataPtr Fch configuration structure pointer.
219 *
220 */
221VOID
222ProgramSpecificFchInitEnvAcpiMmio (
223 IN VOID *FchDataPtr
224 )
225{
226 CPUID_DATA CpuId;
227 FCH_DATA_BLOCK *LocalCfgPtr;
228 AMD_CONFIG_PARAMS *StdHeader;
229
230 LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr;
231 StdHeader = LocalCfgPtr->StdHeader;
232
233 ProgramFchAcpiMmioTbl ((ACPI_REG_WRITE*) (&FchYangtzeInitEnvSpecificHwAcpiMmioTable[0]), StdHeader);
234
235 LibAmdCpuidRead (AMD_CPUID_APICID_LPC_BID, &CpuId, StdHeader);
236
237 if ((LocalCfgPtr->HwAcpi.AnyHt200MhzLink) || ((CpuId.EAX_Reg & 0x00ff00f0) == 0x100080) || ((CpuId.EAX_Reg & 0x00ff00f0) == 0x100090) || ((CpuId.EAX_Reg & 0x00ff00f0) == 0x1000A0)) {
238 RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REG94, AccessWidth8, 0, 0x0A);
239 RwMem (ACPI_MMIO_BASE + PMIO_BASE + 0x80 + 3, AccessWidth8, 0xFE, 0x28);
240 } else {
241 RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REG94, AccessWidth8, 0, 0x01);
242 RwMem (ACPI_MMIO_BASE + PMIO_BASE + 0x80 + 3, AccessWidth8, 0xFE, 0x20);
243 }
244 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG6C + 2, AccessWidth8, 0x5F, 0xA0);
245 //
246 // Ac Loss Control
247 //
248 AcLossControl ((UINT8) LocalCfgPtr->HwAcpi.PwrFailShadow);
249 //
250 // FCH VGA Init
251 //
252 FchVgaInit ();
253
254 //
255 // Set ACPIMMIO by OEM Input table
256 //
257 ProgramFchAcpiMmioTbl ((ACPI_REG_WRITE *) (LocalCfgPtr->HwAcpi.OemProgrammingTablePtr), StdHeader);
258}
259
260/**
261 * ValidateFchVariant - Validate FCH Variant
262 *
263 *
264 *
265 * @param[in] FchDataPtr
266 *
267 */
268VOID
269ValidateFchVariant (
270 IN VOID *FchDataPtr
271 )
272{
273 CPUID_DATA CpuId;
274 FCH_DATA_BLOCK *LocalCfgPtr;
275 AMD_CONFIG_PARAMS *StdHeader;
276
277 LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr;
278 StdHeader = LocalCfgPtr->StdHeader;
279 LibAmdCpuidRead (CPUID_FMF, &CpuId, StdHeader);
280 LocalCfgPtr->Misc.FchCpuId = ( UINT32 ) (CpuId.EAX_Reg & 0xFFFFFFFF);
281}
282
283/**
284 * IsExternalClockMode - Is External Clock Mode?
285 *
286 *
287 * @retval TRUE or FALSE
288 *
289 */
290BOOLEAN
291IsExternalClockMode (
292 IN VOID *FchDataPtr
293 )
294{
295 UINT8 MISC80;
296 ReadMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG80 + 2, AccessWidth8, &MISC80);
297 return ( (BOOLEAN) ((MISC80 & BIT1) == 0) );
298}
299
300
301/**
302 * ProgramFchEnvSpreadSpectrum - Config SpreadSpectrum before
303 * PCI emulation
304 *
305 *
306 *
307 * @param[in] FchDataPtr Fch configuration structure pointer.
308 *
309 */
310VOID
311ProgramFchEnvSpreadSpectrum (
312 IN VOID *FchDataPtr
313 )
314{
315 UINT8 PortStatus;
316 UINT8 FchSpreadSpectrum;
317
318 FCH_DATA_BLOCK *LocalCfgPtr;
319 AMD_CONFIG_PARAMS *StdHeader;
320
321 LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr;
322 StdHeader = LocalCfgPtr->StdHeader;
323
324 FchSpreadSpectrum = LocalCfgPtr->HwAcpi.SpreadSpectrum;
325
326 if ( FchSpreadSpectrum ) {
327 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG08, AccessWidth8, 0xFE, 0x00);
328 if ( LocalCfgPtr->HwAcpi.SpreadSpectrumOptions == 0 ) {
329 /// -0.362%
330 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG18 + 1, AccessWidth8, 0xF0, 0x01);
331 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG14 + 2, AccessWidth16, 0, 0xCF5C);
332 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG14, AccessWidth16, 0, 0x0137);
333 }
334 if ( LocalCfgPtr->HwAcpi.SpreadSpectrumOptions == 1 ) {
335 /// -0.375%
336 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG18 + 1, AccessWidth8, 0xF0, 0x01);
337 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG14 + 2, AccessWidth16, 0, 0xE000);
338 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG14, AccessWidth16, 0, 0x0142);
339 }
340 if ( LocalCfgPtr->HwAcpi.SpreadSpectrumOptions == 2 ) {
341 /// -0.4%
342 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG18 + 1, AccessWidth8, 0xF0, 0x02);
343 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG14 + 2, AccessWidth16, 0, 0);
344 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG14, AccessWidth16, 0, 0x0158);
345 }
346 if ( LocalCfgPtr->HwAcpi.SpreadSpectrumOptions == 3 ) {
347 /// -0.425%
348 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG18 + 1, AccessWidth8, 0xF0, 0x02);
349 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG14 + 2, AccessWidth16, 0, 0x1FFF);
350 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG14, AccessWidth16, 0, 0x016D);
351 }
352 if ( LocalCfgPtr->HwAcpi.SpreadSpectrumOptions == 4 ) {
353 /// -0.45%
354 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG18 + 1, AccessWidth8, 0xF0, 0x02);
355 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG14 + 2, AccessWidth16, 0, 0x4000);
356 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG14, AccessWidth16, 0, 0x0183);
357 }
358 if ( LocalCfgPtr->HwAcpi.SpreadSpectrumOptions == 5 ) {
359 /// -0.475%
360 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG18 + 1, AccessWidth8, 0xF0, 0x02);
361 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG14 + 2, AccessWidth16, 0, 0x6000);
362 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG14, AccessWidth16, 0, 0x0198);
363 }
364 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG08, AccessWidth8, 0xFE, BIT0);
365 } else {
366 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG08, AccessWidth8, 0xFE, 0x00);
367 }
368
369 //
370 // PLL 100Mhz Reference Clock Buffer setting for internal clock generator mode (BIT5)
371 // OSC Clock setting for internal clock generator mode (BIT6)
372 //
373 GetChipSysMode (&PortStatus, StdHeader);
374 if ( ((PortStatus & ChipSysIntClkGen) == ChipSysIntClkGen) ) {
375 RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG04 + 1, AccessWidth8, (UINT32)~(BIT5 + BIT6), BIT5 + BIT6);
376 }
377}
378
379/**
380 * TurnOffCG2
381 *
382 *
383 * @retval VOID
384 *
385 */
386VOID
387TurnOffCG2 (
388 OUT VOID
389 )
390{
391}
392
393/**
394 * BackUpCG2
395 *
396 *
397 * @retval VOID
398 *
399 */
400VOID
401BackUpCG2 (
402 OUT VOID
403 )
404{
405}
406
407/**
408 * HpetInit - Program Fch HPET function
409 *
410 *
411 *
412 * @param[in] FchDataPtr Fch configuration structure pointer.
413 *
414 */
415VOID
416HpetInit (
417 IN VOID *FchDataPtr
418 )
419{
420 DESCRIPTION_HEADER *HpetTable;
421 UINT8 FchHpetTimer;
422 UINT8 FchHpetMsiDis;
423 FCH_DATA_BLOCK *LocalCfgPtr;
424
425 LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr;
426 FchHpetTimer = (UINT8) LocalCfgPtr->Hpet.HpetEnable;
427 FchHpetMsiDis = (UINT8) LocalCfgPtr->Hpet.HpetMsiDis;
428
429 HpetTable = NULL;
430 if ( FchHpetTimer == TRUE ) {
431 //
432 //Program the HPET BAR address
433 //
434 RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REG50, AccessWidth32, FCH_HPET_REG_MASK, LocalCfgPtr->Hpet.HpetBase);
435
436 //
437 //Enabling decoding of HPET MMIO
438 //Enable HPET MSI support
439 //Enable High Precision Event Timer (also called Multimedia Timer) interrupt
440 //
441 if ( FchHpetMsiDis == FALSE ) {
442 RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REG50, AccessWidth32, FCH_HPET_REG_MASK, BIT0 + BIT1 + BIT2 + BIT3 + BIT4);
443#ifdef FCH_TIMER_TICK_INTERVAL_WA
444 RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REG50, AccessWidth32, FCH_HPET_REG_MASK, BIT0 + BIT1);
445#endif
446 } else {
447 RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REG50, AccessWidth32, FCH_HPET_REG_MASK, BIT0 + BIT1);
448 }
449
450 } else {
451 if ( ! (LocalCfgPtr->Misc.S3Resume) ) {
452 HpetTable = (DESCRIPTION_HEADER*) AcpiLocateTable (Int32FromChar('H','P','E','T'));//'TEPH'
453 }
454 if ( HpetTable != NULL ) {
455 HpetTable->Signature = Int32FromChar('T','E','P','H');//'HPET'
456 }
457 }
458}
459
460/**
461 * ProgramPcieNativeMode - Config Pcie Native Mode
462 *
463 *
464 *
465 * @param[in] FchDataPtr Fch configuration structure pointer.
466 *
467 */
468VOID
469ProgramPcieNativeMode (
470 IN VOID *FchDataPtr
471 )
472{
473 UINT8 FchNativepciesupport;
474 FCH_DATA_BLOCK *LocalCfgPtr;
475
476 LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr;
477 FchNativepciesupport = (UINT8) LocalCfgPtr->Misc.NativePcieSupport;
478
479 //
480 // PCIE Native setting
481 //
482 RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REGBA + 1, AccessWidth8, (UINT32)~BIT6, 0);
483 if ( FchNativepciesupport == 1) {
484 RwMem (ACPI_MMIO_BASE + PMIO_BASE + 0x74 + 3, AccessWidth8, (UINT32)~(BIT3 + BIT1 + BIT0), BIT3 + BIT0);
485 } else {
486 RwMem (ACPI_MMIO_BASE + PMIO_BASE + 0x74 + 3, AccessWidth8, (UINT32)~(BIT3 + BIT1 + BIT0), BIT3);
487 }
488}