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- /** @file
- This file is PeiCpuPolicyLibPreMem library.
- Copyright (c) 2019 - 2020 Intel Corporation. All rights reserved. <BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- **/
- #include "PeiCpuPolicyLibrary.h"
- #include <Library/PciSegmentLib.h>
- #include <Library/PostCodeLib.h>
- #include <Library/SaPlatformLib.h>
- /**
- Load Config block default
- @param[in] ConfigBlockPointer Pointer to config block
- **/
- VOID
- LoadCpuSecurityPreMemConfigDefault (
- IN VOID *ConfigBlockPointer
- )
- {
- }
- /**
- Load Config block default
- @param[in] ConfigBlockPointer Pointer to config block
- **/
- VOID
- LoadCpuConfigLibPreMemConfigDefault (
- IN VOID *ConfigBlockPointer
- )
- {
- CPU_GENERATION CpuGeneration;
- CPU_CONFIG_LIB_PREMEM_CONFIG *CpuConfigLibPreMemConfig;
- CPU_FAMILY CpuFamily;
- CPU_SKU CpuSku;
- BOOLEAN PegDisabled;
- UINT64 MchBar;
- UINT64 SaPciBase;
- CpuConfigLibPreMemConfig = ConfigBlockPointer;
- CpuFamily = GetCpuFamily();
- CpuSku = GetCpuSku();
- DEBUG ((DEBUG_INFO, "CpuConfigLibPreMemConfig->Header.GuidHob.Name = %g\n", &CpuConfigLibPreMemConfig->Header.GuidHob.Name));
- DEBUG ((DEBUG_INFO, "CpuConfigLibPreMemConfig->Header.GuidHob.Header.HobLength = 0x%x\n", CpuConfigLibPreMemConfig->Header.GuidHob.Header.HobLength));
- /********************************
- CPU Config Lib PreMem configuration
- ********************************/
- CpuConfigLibPreMemConfig->HyperThreading = CPU_FEATURE_ENABLE;
- CpuConfigLibPreMemConfig->BootFrequency = 1; // Maximum non-turbo Performance
- CpuConfigLibPreMemConfig->ActiveCoreCount = 0; // All cores active
- CpuConfigLibPreMemConfig->JtagC10PowerGateDisable = CPU_FEATURE_DISABLE;
- CpuConfigLibPreMemConfig->BistOnReset = CPU_FEATURE_DISABLE;
- CpuConfigLibPreMemConfig->VmxEnable = CPU_FEATURE_ENABLE;
- CpuConfigLibPreMemConfig->CpuRatio = (RShiftU64 (AsmReadMsr64 (MSR_PLATFORM_INFO), N_PLATFORM_INFO_MAX_RATIO) & B_PLATFORM_INFO_RATIO_MASK);
- CpuGeneration = GetCpuGeneration();
- if(CpuGeneration == EnumCflCpu){
- ///
- /// FCLK Frequency
- ///
- SaPciBase = PCI_SEGMENT_LIB_ADDRESS (SA_SEG_NUM, SA_MC_BUS, SA_MC_DEV, SA_MC_FUN, 0);
- PciSegmentReadBuffer (SaPciBase + R_SA_MCHBAR, sizeof (MchBar), &MchBar);
- MchBar &= ((UINT64) ~BIT0);
- if (IsPchLinkDmi (CpuFamily) && (PciSegmentRead16 (PCI_SEGMENT_LIB_ADDRESS (SA_SEG_NUM, SA_PEG_BUS_NUM, SA_PEG_DEV_NUM, SA_PEG0_FUN_NUM, PCI_VENDOR_ID_OFFSET)) != 0xFFFF)) {
- PegDisabled = MmioRead32 ((UINTN) MchBar + R_SA_MCHBAR_BIOS_RESET_CPL_OFFSET) & BIT3;
- } else {
- PegDisabled = 1;
- }
- ///
- /// DT/Halo FCLK = 1GHz
- /// Ulx/Ult FCLK = 800MHz
- ///
- if (((CpuSku == EnumCpuHalo) && (!PegDisabled)) || (CpuSku == EnumCpuTrad)) {
- CpuConfigLibPreMemConfig->FClkFrequency = 1; // 1Ghz
- }
- else {
- CpuConfigLibPreMemConfig->FClkFrequency = 0; // 800MHz
- }
- ///
- /// Disable Peci Reset on C10 exit on CFL based CPU's
- /// Setting to 1 will activate the message that disables peci reset.
- ///
- CpuConfigLibPreMemConfig->PeciC10Reset = 1;
- }
- }
- /**
- Load Overclocking pre-mem Config block default
- @param[in] ConfigBlockPointer Pointer to config block
- **/
- VOID
- LoadCpuOverclockingPreMemConfigDefault (
- IN VOID *ConfigBlockPointer
- )
- {
- CPU_OVERCLOCKING_PREMEM_CONFIG *CpuOverclockingPreMemConfig;
- CpuOverclockingPreMemConfig = ConfigBlockPointer;
- /********************************
- CPU Overclocking PreMem configuration
- ********************************/
- DEBUG ((DEBUG_INFO, "CpuOverclockingPreMemConfig->Header.GuidHob.Name = %g\n", &CpuOverclockingPreMemConfig->Header.GuidHob.Name));
- DEBUG ((DEBUG_INFO, "CpuOverclockingPreMemConfig->Header.GuidHob.Header.HobLength = 0x%x\n", CpuOverclockingPreMemConfig->Header.GuidHob.Header.HobLength));
- }
- static COMPONENT_BLOCK_ENTRY mCpuIpBlocksPreMem [] = {
- {&gCpuConfigLibPreMemConfigGuid, sizeof (CPU_CONFIG_LIB_PREMEM_CONFIG), CPU_CONFIG_LIB_PREMEM_CONFIG_REVISION, LoadCpuConfigLibPreMemConfigDefault},
- {&gCpuOverclockingPreMemConfigGuid, sizeof (CPU_OVERCLOCKING_PREMEM_CONFIG), CPU_OVERCLOCKING_CONFIG_REVISION, LoadCpuOverclockingPreMemConfigDefault},
- };
- /**
- Get CPU PREMEM config block table total size.
- @retval Size of CPU PREMEM config block table
- **/
- UINT16
- EFIAPI
- CpuGetPreMemConfigBlockTotalSize (
- VOID
- )
- {
- return GetComponentConfigBlockTotalSize (&mCpuIpBlocksPreMem[0], sizeof (mCpuIpBlocksPreMem) / sizeof (COMPONENT_BLOCK_ENTRY));
- }
- /**
- CpuAddPreMemConfigBlocks add all CPU PREMEM config blocks.
- @param[in] ConfigBlockTableAddress The pointer to add CPU PREMEM config blocks
- @retval EFI_SUCCESS The policy default is initialized.
- @retval EFI_OUT_OF_RESOURCES Insufficient resources to create buffer
- **/
- EFI_STATUS
- EFIAPI
- CpuAddPreMemConfigBlocks (
- IN VOID *ConfigBlockTableAddress
- )
- {
- EFI_STATUS Status;
- DEBUG((DEBUG_INFO, "CPU Pre-Mem Entry \n"));
- PostCode (0xC00);
- Status = AddComponentConfigBlocks (ConfigBlockTableAddress, &mCpuIpBlocksPreMem[0], sizeof (mCpuIpBlocksPreMem) / sizeof (COMPONENT_BLOCK_ENTRY));
- DEBUG((DEBUG_INFO, "CpuAddPreMemConfigBlocks Done \n"));
- PostCode (0xC0F);
- return Status;
- }
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