/** @file
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CPU PEI Policy Update & initialization.
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Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "PeiCpuPolicyUpdate.h"
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#include <Library/ConfigBlockLib.h>
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#include <Library/HobLib.h>
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#include <Library/PcdLib.h>
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#include <Library/CpuPlatformLib.h>
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/**
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This function performs CPU PEI Policy initialization.
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@param[in] SiPolicyPpi The SI Policy PPI instance
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@retval EFI_SUCCESS The PPI is installed and initialized.
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@retval EFI ERRORS The PPI is not successfully installed.
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@retval EFI_OUT_OF_RESOURCES Do not have enough resources to initialize the driver
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**/
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EFI_STATUS
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EFIAPI
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UpdatePeiCpuPolicy (
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IN OUT SI_POLICY_PPI *SiPolicyPpi
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)
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{
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EFI_STATUS Status;
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CPU_CONFIG *CpuConfig;
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CPU_POWER_MGMT_BASIC_CONFIG *CpuPowerMgmtBasicConfig;
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SI_PREMEM_POLICY_PPI *SiPreMemPolicyPpi;
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CPU_POWER_MGMT_CUSTOM_CONFIG *CpuPowerMgmtCustomConfig;
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CPU_POWER_MGMT_TEST_CONFIG *CpuPowerMgmtTestConfig;
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CPU_TEST_CONFIG *CpuTestConfig;
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Status = GetConfigBlock ((VOID *) SiPolicyPpi, &gCpuConfigGuid, (VOID *) &CpuConfig);
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ASSERT_EFI_ERROR (Status);
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Status = GetConfigBlock ((VOID *) SiPolicyPpi, &gCpuPowerMgmtBasicConfigGuid, (VOID *) &CpuPowerMgmtBasicConfig);
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ASSERT_EFI_ERROR (Status);
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Status = GetConfigBlock((VOID *)SiPolicyPpi, &gCpuPowerMgmtCustomConfigGuid, (VOID *)&CpuPowerMgmtCustomConfig);
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ASSERT_EFI_ERROR(Status);
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Status = GetConfigBlock((VOID *)SiPolicyPpi, &gCpuTestConfigGuid, (VOID *)&CpuTestConfig);
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ASSERT_EFI_ERROR(Status);
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Status = PeiServicesLocatePpi (
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&gSiPreMemPolicyPpiGuid,
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0,
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NULL,
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(VOID **) &SiPreMemPolicyPpi
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);
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ASSERT_EFI_ERROR (Status);
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Status = GetConfigBlock((VOID *)SiPolicyPpi, &gCpuPowerMgmtTestConfigGuid, (VOID *)&CpuPowerMgmtTestConfig);
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ASSERT_EFI_ERROR(Status);
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//
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// Init Power Management Policy Variables
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//
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CpuPowerMgmtBasicConfig->HwpInterruptControl = 1;
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CpuPowerMgmtCustomConfig->CustomRatioTable.MaxRatio = 0x4;
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CpuPowerMgmtBasicConfig->OneCoreRatioLimit = 0x22;
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CpuPowerMgmtBasicConfig->TwoCoreRatioLimit = 0x22;
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CpuPowerMgmtBasicConfig->ThreeCoreRatioLimit = 0x22;
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CpuPowerMgmtBasicConfig->FourCoreRatioLimit = 0x22;
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CpuPowerMgmtBasicConfig->FiveCoreRatioLimit = 0;
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CpuPowerMgmtBasicConfig->SixCoreRatioLimit = 0;
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CpuPowerMgmtBasicConfig->SevenCoreRatioLimit = 0;
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CpuPowerMgmtBasicConfig->EightCoreRatioLimit = 0;
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CpuPowerMgmtBasicConfig->Hwp = 0x1;
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CpuTestConfig->CpuWakeUpTimer = 1;
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CpuPowerMgmtTestConfig->AutoThermalReporting = 0;
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return EFI_SUCCESS;
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}
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