/*****************************************************************************
*
* Copyright (C) 2012 Advanced Micro Devices, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Advanced Micro Devices, Inc. nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
***************************************************************************/
#include "Platform.h"
REG8MASK sbPorInitPciTable[] = {
// SMBUS Device(Bus 0, Dev 20, Func 0)
{0x00, SMBUS_BUS_DEV_FUN, 0},
{SB_SMBUS_REGD0+2, 0x00, 0x01},
{SB_SMBUS_REG40, 0x00, 0x44},
{SB_SMBUS_REG40+1, 0xFF, 0xE9}, //Set smbus pci config 0x40[14]=1, This bit is used for internal bus flow control.
{SB_SMBUS_REG64, 0x00, 0xBF}, //SB_SMBUS_REG64[13]=1, delays back to back interrupts to the CPU
{SB_SMBUS_REG64+1, 0x00, 0x78},
{SB_SMBUS_REG64+2, ~(UINT8)BIT6, 0x9E},
{SB_SMBUS_REG64+3, 0x0F, 0x02},
{SB_SMBUS_REG68+1, 0x00, 0x90},
{SB_SMBUS_REG6C, 0x00, 0x20},
{SB_SMBUS_REG78, 0x00, 0xFF},
{SB_SMBUS_REG04, 0x00, 0x07},
{SB_SMBUS_REG04+1, 0x00, 0x04},
{SB_SMBUS_REGE1, 0x00, 0x99}, //RPR recommended setting, Sections "SMBUS Pci Config" & "IMC Access Control"
{SB_SMBUS_REGAC, ~(UINT8)BIT4, BIT1},
{SB_SMBUS_REG60+2, ~(UINT8)(BIT1+BIT0) , 0x24}, // Disabling Legacy USB Fast SMI# Smbus_PCI_config 0x62 [5] = 1. Legacy USB
// can request SMI# to be sent out early before IO completion.
// Some applications may have problems with this feature. The BIOS should set this bit
// to 1 to disable the feature. Enabling Legacy Interrupt Smbus_PCI_Config 0x62[2]=1.
{0xFF, 0xFF, 0xFF},
// LPC Device(Bus 0, Dev 20, Func 3)
{0x00, LPC_BUS_DEV_FUN, 0},
{SB_LPC_REG40, 0x00, 0x04},
{SB_LPC_REG48, 0x00, 0x07},
{SB_LPC_REG4A, 0x00, 0x20}, // Port Enable for IO Port 80h.
{SB_LPC_REG78, ~(UINT8)BIT0, 0x00},
{SB_LPC_REG7C, 0x00, 0x05},
{SB_LPC_REGB8+3, ~(UINT8)BIT0, BIT7+BIT6+BIT5+BIT3+BIT0}, //RPR recommended setting,Section "IO / Mem Decoding" & "SPI bus"
{0xFF, 0xFF, 0xFF},
// P2P Bridge(Bus 0, Dev 20, Func 4)
{0x00, SBP2P_BUS_DEV_FUN, 0},
{SB_P2P_REG40, 0x00, 0x26}, // Enabling PCI-bridge subtractive decoding & PCI Bus 64-byte DMA Read Access
{SB_P2P_REG4B, 0xFF, BIT6+BIT7+BIT4},
{SB_P2P_REG1C, 0x00, 0x11},
{SB_P2P_REG1D, 0x00, 0x11},
{SB_P2P_REG04, 0x00, 0x21},
{SB_P2P_REG50, 0x02, 0x01}, // PCI Bridge upstream dual address window
{0xFF, 0xFF, 0xFF},
};
REG8MASK sbA13PorInitPciTable[] = {
// SMBUS Device(Bus 0, Dev 20, Func 0)
{0x00, SMBUS_BUS_DEV_FUN, 0},
{SB_SMBUS_REG43, ~(UINT8)BIT3, 0x00}, //Make some hidden registers of smbus visible.
{SB_SMBUS_REG38, (UINT8)~BIT7, 00},
{SB_SMBUS_REGAC+1, ~(UINT8)BIT5, 0}, //Enable SATA test/enhancement mode
{SB_SMBUS_REG43, 0xFF, BIT3}, //Make some hidden registers of smbus invisible.
{0xFF, 0xFF, 0xFF},
};
REG8MASK sbA14PorInitPciTable[] = {
// LPC Device(Bus 0, Dev 20, Func 3)
{0x00, LPC_BUS_DEV_FUN, 0},
{SB_LPC_REG8C+2, ~(UINT8)BIT1, 00},
{0xFF, 0xFF, 0xFF},
};
REG8MASK sbPorPmioInitTbl[] = {
// index andmask ormask
{SB_PMIO_REG67, 0xFF, 0x02},
{SB_PMIO_REG37, 0xFF, 0x04}, // Configure pciepme as rising edge
{SB_PMIO_REG50, 0x00, 0xE0}, // Enable CPU_STP (except S5) & PCI_STP
{SB_PMIO_REG60, 0xFF, 0x20}, // Enable Speaker
{SB_PMIO_REG65, (UINT8)~(BIT4+BIT7), 0x00},// Clear PM_IO 0x65[4] UsbResetByPciRstEnable to avoid S3 reset to reset USB
{SB_PMIO_REG55, ~(UINT8)BIT6, 0x07}, // Select CIR wake event to ACPI.GEVENT[23] & Clear BIT6 SoftPciRst for safety
{SB_PMIO_REG66, 0xFF, BIT5}, // Configure keyboard reset to generate pci reset
{SB_PMIO_REGB2, 0xFF, BIT7},
{SB_PMIO_REG0E, 0xFF, BIT3}, // Enable ACPI IO decoding
{SB_PMIO_REGD7, 0xF6, 0x80},
{SB_PMIO_REG7C, 0xFF, BIT4}, // enable RTC AltCentury register
{SB_PMIO_REG75, 0xC0, 0x05}, // PME_TURN_OFF_MSG during ASF shutdown
{SB_PMIO_REG52, 0xC0, 0x08},
{SB_PMIO_REG8B, 0x00, 0x10},
{SB_PMIO_REG69, 0xF9, 0x01 << 1}, // [Updated RPR] Set default WDT resolution to 10ms
};
REG8MASK sbA13PorPmioInitTbl[]={
// index andmask ormask
{SB_PMIO_REGD7, 0xFF, BIT5+BIT0}, //Fixes for TT SB00068 & SB01054 (BIT5 & BIT0 correspondingly)
{SB_PMIO_REGBB, (UINT8)~BIT7, BIT6+BIT5}, //Fixes for TT SB00866 & SB00696 (BIT6 & BIT5 correspondingly)
// Always clear [7] to begin with SP5100 C1e disabled
// {SB_PMIO_REG65, 0xFF, BIT7},
// {SB_PMIO_REG75, 0xC0, 0x01}, // PME_TURN_OFF_MSG during ASF shutdown
// {SB_PMIO_REG52, 0xC0, 0x02},
};
void sbPowerOnInit (AMDSBCFG *pConfig){
UINT8 dbVar0, dbVar1, dbValue;
UINT16 dwTempVar;
BUILDPARAM *pBuildOptPtr;
TRACE((DMSG_SB_TRACE, "CIMx - Entering sbPowerOnInit \n"));
setRevisionID();
ReadPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG02), AccWidthUint16 | S3_SAVE, &dwTempVar);
if (dwTempVar == SB750_SATA_DEFAULT_DEVICE_ID)
RWPCI((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG9C, AccWidthUint8 | S3_SAVE, 0xFF, 0x01);
// Set A-Link bridge access address. This address is set at device 14h, function 0,
// register 0f0h. This is an I/O address. The I/O address must be on 16-byte boundry.
RWPCI((SMBUS_BUS_DEV_FUN << 16) + SB_SMBUS_REGF0, AccWidthUint32, 00, ALINK_ACCESS_INDEX);
writeAlink(0x80000004, 0x04); // RPR 3.3 Enabling upstream DMA Access
writeAlink(0x30, 0x10); //AXINDC 0x10[9]=1, Enabling Non-Posted memory write for K8 platform.
writeAlink(0x34, readAlink(0x34) | BIT9);
if (!(pConfig->ResetCpuOnSyncFlood)){
//Enable reset on sync flood
writeAlink( (UINT32)( ((UINT32)SB_AB_REG10050) | ((UINT32)ABCFG << 30)),
(UINT32)( readAlink((((UINT32)SB_AB_REG10050) | ((UINT32)ABCFG << 30))) | ((UINT32)BIT2) ));
}
pBuildOptPtr = &(pConfig->BuildParameters);
WritePCI((SMBUS_BUS_DEV_FUN << 16) + SB_SMBUS_REG90, AccWidthUint32 | S3_SAVE, &(pBuildOptPtr->Smbus0BaseAddress) );
dwTempVar = pBuildOptPtr->Smbus1BaseAddress & (UINT16)~BIT0;
if( dwTempVar != 0 ){
RWPCI((SMBUS_BUS_DEV_FUN << 16) + SB_SMBUS_REG58, AccWidthUint16 | S3_SAVE, 00, (dwTempVar|BIT0));
// Disable ASF Slave controller on SB700 rev A15.
if (getRevisionID() == SB700_A15) {
RWIO((dwTempVar+0x0D), AccWidthUint8, (UINT8)~BIT6, BIT6);
}
}
WritePCI((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG64, AccWidthUint16 | S3_SAVE, &(pBuildOptPtr->SioPmeBaseAddress));
RWPCI((LPC_BUS_DEV_FUN << 16) + SB_LPC_REGA0, AccWidthUint32 | S3_SAVE, 0x001F,(pBuildOptPtr->SpiRomBaseAddress));
WritePMIO(SB_PMIO_REG20, AccWidthUint16, &(pBuildOptPtr->AcpiPm1EvtBlkAddr));
WritePMIO(SB_PMIO_REG22, AccWidthUint16, &(pBuildOptPtr->AcpiPm1CntBlkAddr));
WritePMIO(SB_PMIO_REG24, AccWidthUint16, &(pBuildOptPtr->AcpiPmTmrBlkAddr));
WritePMIO(SB_PMIO_REG26, AccWidthUint16, &(pBuildOptPtr->CpuControlBlkAddr));
WritePMIO(SB_PMIO_REG28, AccWidthUint16, &(pBuildOptPtr->AcpiGpe0BlkAddr));
WritePMIO(SB_PMIO_REG2A, AccWidthUint16, &(pBuildOptPtr->SmiCmdPortAddr));
WritePMIO(SB_PMIO_REG2C, AccWidthUint16, &(pBuildOptPtr->AcpiPmaCntBlkAddr));
RWPMIO(SB_PMIO_REG2E, AccWidthUint16, 0x00,(pBuildOptPtr->SmiCmdPortAddr)+8);
WritePMIO(SB_PMIO_REG6C, AccWidthUint32, &(pBuildOptPtr->WatchDogTimerBase));
//Program power on pci init table
programPciByteTable( (REG8MASK*)FIXUP_PTR(&sbPorInitPciTable[0]), sizeof(sbPorInitPciTable)/sizeof(REG8MASK) );
//Program power on pmio init table
programPmioByteTable( (REG8MASK *)FIXUP_PTR(&sbPorPmioInitTbl[0]), (sizeof(sbPorPmioInitTbl)/sizeof(REG8MASK)) );
dbValue = 0x00;
ReadIO (SB_IOMAP_REGC14, AccWidthUint8, &dbValue);
dbValue &= 0xF3;
WriteIO (SB_IOMAP_REGC14, AccWidthUint8, &dbValue);
dbValue = 0x0A;
WriteIO (SB_IOMAP_REG70, AccWidthUint8, &dbValue);
ReadIO (SB_IOMAP_REG71, AccWidthUint8, &dbValue);
dbValue &= 0xEF;
WriteIO (SB_IOMAP_REG71, AccWidthUint8, &dbValue);
if (getRevisionID() >= SB700_A13){
programPciByteTable( (REG8MASK*)FIXUP_PTR(&sbA13PorInitPciTable[0]), sizeof(sbA13PorInitPciTable)/sizeof(REG8MASK) );
programPmioByteTable( (REG8MASK *)FIXUP_PTR(&sbA13PorPmioInitTbl[0]), (sizeof(sbA13PorPmioInitTbl)/sizeof(REG8MASK)) );
}
if ((getRevisionID() >= SB700_A14) )
programPciByteTable( (REG8MASK*)FIXUP_PTR(&sbA14PorInitPciTable[0]), sizeof(sbA14PorInitPciTable)/sizeof(REG8MASK) );
if ( (getRevisionID() >= SB700_A14) && ( (pConfig->TimerClockSource == 1) || (pConfig->TimerClockSource == 2) )){
ReadPMIO(SB_PMIO_REGD4, AccWidthUint8, &dbVar1);
if (!(dbVar1 & BIT6)){
RWPMIO(SB_PMIO_REGD4, AccWidthUint8, 0xFF, BIT6);
pConfig->RebootRequired=1;
}
}
if (getRevisionID() > SB700_A11) {
if (pConfig->PciClk5 == 1)
RWPMIO(SB_PMIO_REG41, AccWidthUint8, ~(UINT32)BIT1, BIT1); // Enabled PCICLK5 for A12
}
dbVar0 = (pBuildOptPtr->BiosSize + 1) & 7;
if (dbVar0 > 4) {
dbVar0 = 0;
}
//KZ [061811]-It's used wrong BIOS SIZE for Coreboot. RWPCI((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG6C, AccWidthUint8 | S3_SAVE, 0x00, 0xF8 << dbVar0);
if (pConfig->Spi33Mhz)
//spi reg0c[13:12] to 01h to run spi 33Mhz in system bios
RWMEM((pBuildOptPtr->SpiRomBaseAddress)+SB_SPI_MMIO_REG0C,AccWidthUint16 | S3_SAVE, ~(UINT32)(BIT13+BIT12), BIT12);
//SB internal spread spectrum settings. A reboot is required if the spread spectrum settings have to be changed
//from the existing value.
ReadPMIO(SB_PMIO_REG42, AccWidthUint8, &dbVar0);
if (pConfig->SpreadSpectrum != (dbVar0 >> 7) )
pConfig->RebootRequired = 1;
if (pConfig->SpreadSpectrum)
RWPMIO(SB_PMIO_REG42, AccWidthUint8, ~(UINT32)BIT7, BIT7);
else
RWPMIO(SB_PMIO_REG42, AccWidthUint8, ~(UINT32)BIT7, 0);
if ( !(pConfig->S3Resume) ){
//To detect whether internal clock chip is used, do the following procedure
//set PMIO_B2[7]=1, then read PMIO_B0[4]; if it is 1, we are strapped to CLKGEN mode.
//if it is 0, we are using clock chip on board.
RWPMIO(SB_PMIO_REGB2, AccWidthUint8, 0xFF, BIT7);
//Do the following programming only for SB700-A11.
//1. Set PMIO_B2 [7]=1 and read B0 and B1 and save those values.
//2. Set PMIO_B2 [7]=0
//3. Write the saved values from step 1, back to B0 and B1.
//4. Set PMIO_B2 [6]=1.
ReadPMIO(SB_PMIO_REGB0, AccWidthUint16, &dwTempVar);
if (getRevisionID() == SB700_A11){
RWPMIO(SB_PMIO_REGB2, AccWidthUint8, ~(UINT32)BIT7, 00);
WritePMIO(SB_PMIO_REGB0, AccWidthUint16, &dwTempVar);
RWPMIO(SB_PMIO_REGB2, AccWidthUint8, 0xFF, BIT6);
}
if (!(dwTempVar & BIT4)){
RWPMIO(SB_PMIO_REGD0, AccWidthUint8, ~(UINT32)BIT0, 0); //Enable PLL2
//we are in external clock chip on the board
if (pConfig->UsbIntClock == CIMX_OPTION_ENABLED){
//Configure usb clock to come from internal PLL
RWPMIO(SB_PMIO_REGD2, AccWidthUint8, 0xFF, BIT3); //Enable 48Mhz clock from PLL2
RWPMIO(SB_PMIO_REGBD, AccWidthUint8, ~(UINT32)BIT4, BIT4); //Tell USB PHY to use internal 48Mhz clock from PLL2
}
else{
//Configure usb clock to come from external clock
RWPMIO(SB_PMIO_REGBD, AccWidthUint8, ~(UINT32)BIT4, 0); //Tell USB PHY to use external 48Mhz clock from PLL2
RWPMIO(SB_PMIO_REGD2, AccWidthUint8, ~(UINT32)BIT3, 00); //Disable 48Mhz clock from PLL2
}
}
else{
//we are using internal clock chip on this board
if (pConfig->UsbIntClock == CIMX_OPTION_ENABLED){
//Configure usb clock to come from internal PLL
RWPMIO(SB_PMIO_REGD2, AccWidthUint8, ~(UINT32)BIT3, 0); //Enable 48Mhz clock from PLL2
RWPMIO(SB_PMIO_REGBD, AccWidthUint8, ~(UINT32)BIT4, BIT4); //Tell USB PHY to use internal 48Mhz clock from PLL2
}
else{
//Configure usb clock to come from external clock
RWPMIO(SB_PMIO_REGBD, AccWidthUint8, ~(UINT32)BIT4, 0); //Tell USB PHY to use external 48Mhz clock from PLL2
RWPMIO(SB_PMIO_REGD2, AccWidthUint8, ~(UINT32)BIT3, BIT3); //Disable 48Mhz clock from PLL2
}
}
ReadPMIO(SB_PMIO_REG43, AccWidthUint8, &dbVar0);
RWPMIO(SB_PMIO_REG43, AccWidthUint8, ~(UINT32)(BIT6+BIT5+BIT0), (pConfig->UsbIntClock << 5));
//Check whether our usb clock settings changed compared to previous boot, if yes then we need to reboot.
if ( (dbVar0 & BIT0) || ( (pConfig->UsbIntClock) != ((dbVar0 & (BIT6+BIT5)) >> 5)) ) pConfig->RebootRequired = 1;
}
if (pBuildOptPtr->LegacyFree) //if LEGACY FREE system
RWPCI(((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG44), AccWidthUint32 | S3_SAVE, 00, 0x0003C000);
else
RWPCI(((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG44), AccWidthUint32 | S3_SAVE, 00, 0xFF03FFD5);
if ( (getRevisionID() == SB700_A14) || (getRevisionID() == SB700_A13)){
RWPMIO(SB_PMIO_REG65, AccWidthUint8, 0xFF, BIT7);
RWPMIO(SB_PMIO_REG75, AccWidthUint8, 0xC0, BIT0);
RWPMIO(SB_PMIO_REG52, AccWidthUint8, 0xC0, BIT1);
}
if (getRevisionID() >= SB700_A15) {
RWPCI((SMBUS_BUS_DEV_FUN << 16) + SB_SMBUS_REG40+3, AccWidthUint8 | S3_SAVE, ~(UINT32)(BIT3), 0);
//Enable unconditional shutdown fix in A15
RWPCI((SMBUS_BUS_DEV_FUN << 16) + SB_SMBUS_REG38+1, AccWidthUint8 | S3_SAVE, 0xFF, BIT4);
RWPCI((SMBUS_BUS_DEV_FUN << 16) + SB_SMBUS_REG40+3, AccWidthUint8 | S3_SAVE, 0xFF, BIT3);
RWPCI((SMBUS_BUS_DEV_FUN << 16) + SB_SMBUS_REG06+1, AccWidthUint8 | S3_SAVE, 0xFF, 0xD0);
}
// [Updated RPR] Set ImcHostSmArbEn(SMBUS:0xE1[5]) only when IMC is enabled
if (isEcPresent()) {
RWPCI((SMBUS_BUS_DEV_FUN << 16) + SB_SMBUS_REGE1, AccWidthUint8 | S3_SAVE, 0xFF, BIT5);
}
//According to AMD Family 15h Models 00h-0fh processor BKDG section 2.12.8 LDTSTOP requirement
// to program VID/FID LDTSTP# duration selection register
AMDFamily15CpuLdtStopReq();
#ifndef NO_EC_SUPPORT
ecPowerOnInit(pBuildOptPtr, pConfig);
#endif
}
void setRevisionID(void){
UINT8 dbVar0, dbVar1;
ReadPCI(((SMBUS_BUS_DEV_FUN << 16) + SB_SMBUS_REG08), AccWidthUint8, &dbVar0);
ReadPMIO(SB_PMIO_REG53, AccWidthUint8, &dbVar1);
if ( (dbVar0 == 0x39) && (dbVar1 & BIT6) && !(dbVar1 & BIT7)){
RWPCI(((SMBUS_BUS_DEV_FUN << 16) + SB_SMBUS_REG40), AccWidthUint8, ~(UINT32)BIT0, BIT0);
RWPCI(((SMBUS_BUS_DEV_FUN << 16) + SB_SMBUS_REG08), AccWidthUint8, 00, SB700_A12);
RWPCI(((SMBUS_BUS_DEV_FUN << 16) + SB_SMBUS_REG40), AccWidthUint8, ~(UINT32)BIT0, 00);
}
ReadPCI(((SMBUS_BUS_DEV_FUN << 16) + SB_SMBUS_REG08), AccWidthUint8, &dbVar0);
}
UINT8 getRevisionID(void){
UINT8 dbVar0;
ReadPCI(((SMBUS_BUS_DEV_FUN << 16) + SB_SMBUS_REG08), AccWidthUint8, &dbVar0);
return dbVar0;
}
void AMDFamily15CpuLdtStopReq(void) {
CPUID_DATA CpuId;
CPUID_DATA CpuId_Brand;
UINT8 dbVar0, dbVar1, dbVar2;
//According to AMD Family 15h Models 00h-0fh processor BKDG section 2.12.8 LDTSTOP requirement
//to program VID/FID LDTSTP# duration selection register
//If any of the following system configuration properties are true LDTSTP# assertion time required by the processor is 10us:
// 1. Any link in the system operating at a Gen 1 Frequency.
// 2. Also for server platform (G34/C32) set PM_REG8A[6:4]=100b (16us)
CpuidRead (0x01, &CpuId);
CpuidRead (0x80000001, &CpuId_Brand); //BrandID, to read socket type
if ((CpuId.REG_EAX & 0xFFFFFF00) == 0x00600F00) {
//Program to Gen 3 default value - 001b
RWPMIO(SB_PMIO_REG8A, AccWidthUint8, 0x8F, 0x10); //set [6:4]=001b
//Any link in the system operating at a Gen 1 Frequency.
//Check Link 0 - Link connected regsister
ReadPCI(((HT_LINK_BUS_DEV_FUN << 16) + HT_LINK_REG98), AccWidthUint8, &dbVar2);
dbVar2 = dbVar2 & 0x01;
if(dbVar2 == 0x01) {
//Check Link 0 - Link Frequency Freq[4:0]
ReadPCI(((HT_LINK_BUS_DEV_FUN << 16) + HT_LINK_REG89), AccWidthUint8, &dbVar0);
ReadPCI(((HT_LINK_BUS_DEV_FUN << 16) + HT_LINK_REG9C), AccWidthUint8, &dbVar1);
dbVar0 = dbVar0 & 0x0F; //Freq[3:0]
dbVar1 = dbVar1 & 0x01; //Freq[4]
dbVar0 = (dbVar1 << 4) | dbVar0; //Freq[4:0]
//Value 6 or less indicate Gen1
if(dbVar0 <= 0x6) {
RWPMIO(SB_PMIO_REG8A, AccWidthUint8, 0x8F, 0x40); //set [6:4]=100b
}
}
//Check Link 1 - Link connected regsister
ReadPCI(((HT_LINK_BUS_DEV_FUN << 16) + HT_LINK_REGB8), AccWidthUint8, &dbVar2);
dbVar2 = dbVar2 & 0x01;
if(dbVar2 == 0x01) {
//Check Link 1 - Link Frequency Freq[4:0]
ReadPCI(((HT_LINK_BUS_DEV_FUN << 16) + HT_LINK_REGA9), AccWidthUint8, &dbVar0);
ReadPCI(((HT_LINK_BUS_DEV_FUN << 16) + HT_LINK_REGBC), AccWidthUint8, &dbVar1);
dbVar0 = dbVar0 & 0x0F; //Freq[3:0]
dbVar1 = dbVar1 & 0x01; //Freq[4]
dbVar0 = (dbVar1 << 4) | dbVar0; //Freq[4:0]
//Value 6 or less indicate Gen1
if(dbVar0 <= 0x6) {
RWPMIO(SB_PMIO_REG8A, AccWidthUint8, 0x8F, 0x40); //set [6:4]=100b
}
}
//Check Link 2 - Link connected regsister
ReadPCI(((HT_LINK_BUS_DEV_FUN << 16) + HT_LINK_REGD8), AccWidthUint8, &dbVar2);
dbVar2 = dbVar2 & 0x01;
if(dbVar2 == 0x01) {
//Check Link 2 - Link Frequency Freq[4:0]
ReadPCI(((HT_LINK_BUS_DEV_FUN << 16) + HT_LINK_REGC9), AccWidthUint8, &dbVar0);
ReadPCI(((HT_LINK_BUS_DEV_FUN << 16) + HT_LINK_REGDC), AccWidthUint8, &dbVar1);
dbVar0 = dbVar0 & 0x0F; //Freq[3:0]
dbVar1 = dbVar1 & 0x01; //Freq[4]
dbVar0 = (dbVar1 << 4) | dbVar0; //Freq[4:0]
//Value 6 or less indicate Gen1
if(dbVar0 <= 0x6) {
RWPMIO(SB_PMIO_REG8A, AccWidthUint8, 0x8F, 0x40); //set [6:4]=100b
}
}
//Check Link 3 - Link connected regsister
ReadPCI(((HT_LINK_BUS_DEV_FUN << 16) + HT_LINK_REGF8), AccWidthUint8, &dbVar2);
dbVar2 = dbVar2 & 0x01;
if(dbVar2 == 0x01) {
//Check Link 3 - Link Frequency Freq[4:0]
ReadPCI(((HT_LINK_BUS_DEV_FUN << 16) + HT_LINK_REGE9), AccWidthUint8, &dbVar0);
ReadPCI(((HT_LINK_BUS_DEV_FUN << 16) + HT_LINK_REGFC), AccWidthUint8, &dbVar1);
dbVar0 = dbVar0 & 0x0F; //Freq[3:0]
dbVar1 = dbVar1 & 0x01; //Freq[4]
dbVar0 = ((dbVar1 << 4) | dbVar0); //Freq[4:0]
//Value 6 or less indicate Gen1
if(dbVar0 <= 0x6) {
RWPMIO(SB_PMIO_REG8A, AccWidthUint8, 0x8F, 0x40); //set [6:4]=100b
}
}
// Server platform (G34/C32) set PM_REG8A[6:4]=100b (16us)
if(((CpuId_Brand.REG_EBX & 0xF0000000) == 0x30000000) || ((CpuId_Brand.REG_EBX & 0xF0000000) == 0x50000000)) {
RWPMIO(SB_PMIO_REG8A, AccWidthUint8, 0x8F, 0x40); //set [6:4]=100b
}
}
}