/** @file
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This file is PeiSiPolicyLib library creates default settings of RC
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Policy and installs RC Policy PPI.
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Copyright (c) 2017 - 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 "PeiSiPolicyLibrary.h"
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#include <Library/PcdLib.h>
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#include <Library/ConfigBlockLib.h>
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/**
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Get Si config block table total size.
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@retval Size of PCH config block table
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**/
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UINT16
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EFIAPI
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SiGetConfigBlockTotalSize (
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VOID
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)
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{
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return (UINT16) sizeof (SI_CONFIG);
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}
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EFI_STATUS
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EFIAPI
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LoadSiConfigBlockDefault (
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IN VOID *ConfigBlockPointer
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)
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{
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SI_CONFIG *SiConfig;
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SiConfig = ConfigBlockPointer;
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DEBUG ((DEBUG_INFO, "SiConfig->Header.GuidHob.Name = %g\n", &SiConfig->Header.GuidHob.Name));
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DEBUG ((DEBUG_INFO, "SiConfig->Header.GuidHob.Header.HobLength = 0x%x\n", SiConfig->Header.GuidHob.Header.HobLength));
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SiConfig->Header.Revision = SI_CONFIG_REVISION;
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//
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// Temporary Bus range for silicon initialization.
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//
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SiConfig->TempPciBusMin = 2;
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SiConfig->TempPciBusMax = 10;
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//
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// Temporary Memory Base Address for PCI devices to be used to initialize MMIO registers.
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// Minimum size is 2MB bytes.
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//
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SiConfig->TempMemBaseAddr = TEMP_MEM_BASE_ADDRESS;
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SiConfig->TempMemSize = TEMP_MEM_SIZE;
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//
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// Temporary IO Base Address for PCI devices to be used to initialize IO registers.
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// And size of temporary IO space.
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//
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SiConfig->TempIoBaseAddr = TEMP_IO_BASE_ADDRESS;
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SiConfig->TempIoSize = TEMP_IO_SIZE;
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//
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// Check PcdSiCsmEnable to set CSM flag.
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//
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if (PcdGetBool (PcdSiCsmEnable)) {
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SiConfig->CsmFlag = 1;
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} else {
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SiConfig->CsmFlag = 0;
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}
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return EFI_SUCCESS;
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}
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EFI_STATUS
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EFIAPI
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SiAddConfigBlocks (
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IN VOID *ConfigBlockTableAddress
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)
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{
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VOID *ConfigBlockPointer;
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EFI_STATUS Status;
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CONFIG_BLOCK_HEADER SiBlock;
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//
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// Initalize SiBlock
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//
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CopyMem (&(SiBlock.GuidHob.Name), &gSiConfigGuid, sizeof (EFI_GUID));
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SiBlock.GuidHob.Header.HobLength = sizeof (SI_CONFIG);
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SiBlock.Revision = SI_CONFIG_REVISION;
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//
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// Initialize ConfigBlockPointer
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//
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ConfigBlockPointer = (VOID *)&SiBlock;
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//
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// Add config block fro SiBlock
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//
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DEBUG ((DEBUG_INFO, "gSiConfigGuid = %g\n", &gSiConfigGuid));
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DEBUG ((DEBUG_INFO, "SiConfig->Header.GuidHob.Name = %g\n", &(SiBlock.GuidHob.Name)));
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Status = AddConfigBlock (ConfigBlockTableAddress, (VOID *) &ConfigBlockPointer);
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ASSERT_EFI_ERROR (Status);
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LoadSiConfigBlockDefault ((VOID *) ConfigBlockPointer);
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return Status;
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}
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/**
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SiCreateConfigBlocks creates the config blocksg of Silicon Policy.
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It allocates and zero out buffer, and fills in the Intel default settings.
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@param[out] SiPolicyPpi The pointer to get Silicon Policy PPI instance
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@retval EFI_SUCCESS The policy default is initialized.
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@retval EFI_OUT_OF_RESOURCES Insufficient resources to create buffer
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**/
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EFI_STATUS
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EFIAPI
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SiCreateConfigBlocks (
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OUT SI_POLICY_PPI **SiPolicyPpi
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)
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{
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UINT16 TotalBlockSize;
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EFI_STATUS Status;
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SI_POLICY_PPI *SiPolicy;
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UINT16 RequiredSize;
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SiPolicy = NULL;
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//
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// TotalBlockSize = Si, Pch, AMT, ME, SA and CPU config block size.
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//
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TotalBlockSize = SiGetConfigBlockTotalSize () +
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PchGetConfigBlockTotalSize () +
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MeGetConfigBlockTotalSize () +
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SaGetConfigBlockTotalSize () +
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CpuGetConfigBlockTotalSize ();
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DEBUG ((DEBUG_INFO, "TotalBlockSize = 0x%x\n", TotalBlockSize));
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RequiredSize = sizeof (CONFIG_BLOCK_TABLE_HEADER) + TotalBlockSize;
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Status = CreateConfigBlockTable (RequiredSize, (VOID *) &SiPolicy);
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ASSERT_EFI_ERROR (Status);
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//
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// General initialization
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//
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SiPolicy->TableHeader.Header.Revision = SI_POLICY_REVISION;
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//
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// Add config blocks.
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//
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Status = SiAddConfigBlocks ((VOID *) SiPolicy);
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ASSERT_EFI_ERROR (Status);
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Status = PchAddConfigBlocks ((VOID *) SiPolicy);
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ASSERT_EFI_ERROR (Status);
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Status = MeAddConfigBlocks ((VOID *) SiPolicy);
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ASSERT_EFI_ERROR (Status);
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Status = SaAddConfigBlocks ((VOID *) SiPolicy);
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ASSERT_EFI_ERROR (Status);
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Status = CpuAddConfigBlocks ((VOID *) SiPolicy);
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ASSERT_EFI_ERROR (Status);
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//
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// Assignment for returning SaInitPolicy config block base address
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//
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*SiPolicyPpi = SiPolicy;
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return Status;
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}
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/**
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Print out all silicon policy information.
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@param[in] SiPolicyPpi The pointer to Silicon Policy PPI instance
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**/
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VOID
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DumpSiPolicy (
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IN SI_POLICY_PPI *SiPolicyPpi
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)
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{
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//
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// Print SI config blocks and serial out.
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//
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SiPrintPolicyPpi (SiPolicyPpi);
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//
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// Print PCH config blocks and serial out.
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//
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PchPrintPolicyPpi (SiPolicyPpi);
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//
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// Print ME config blocks and serial out.
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//
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MePrintPolicyPpi (SiPolicyPpi);
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//
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// Print SA config blocks and serial out.
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//
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SaPrintPolicyPpi (SiPolicyPpi);
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//
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// Print CPU config block and serial out.
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//
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CpuPrintPolicy (SiPolicyPpi);
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}
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/**
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SiInstallPolicyPpi installs SiPolicyPpi.
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@param[in] SiPolicyPpi The pointer to Silicon Policy PPI instance
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@retval EFI_SUCCESS The policy is installed.
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@retval EFI_OUT_OF_RESOURCES Insufficient resources to create buffer
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**/
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EFI_STATUS
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EFIAPI
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SiInstallPolicyPpi (
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IN SI_POLICY_PPI *SiPolicyPpi
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)
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{
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EFI_STATUS Status;
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EFI_PEI_PPI_DESCRIPTOR *SiPolicyPpiDesc;
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SI_CONFIG *SiConfig;
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SiPolicyPpiDesc = (EFI_PEI_PPI_DESCRIPTOR *) AllocateZeroPool (sizeof (EFI_PEI_PPI_DESCRIPTOR));
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if (SiPolicyPpiDesc == NULL) {
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ASSERT (FALSE);
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return EFI_OUT_OF_RESOURCES;
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}
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SiPolicyPpiDesc->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;
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SiPolicyPpiDesc->Guid = &gSiPolicyPpiGuid;
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SiPolicyPpiDesc->Ppi = SiPolicyPpi;
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Status = GetConfigBlock ((VOID *) SiPolicyPpi, &gSiConfigGuid, (VOID *) &SiConfig);
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ASSERT_EFI_ERROR (Status);
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//
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// Install Silicon Policy PPI
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//
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Status = PeiServicesInstallPpi (SiPolicyPpiDesc);
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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/**
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SiInstallPolicyReadyPpi installs SiPolicyReadyPpi.
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While installed, RC assumes the Policy is ready and finalized. So please update and override
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any setting before calling this function.
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@retval EFI_SUCCESS The policy is installed.
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@retval EFI_OUT_OF_RESOURCES Insufficient resources to create buffer
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**/
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EFI_STATUS
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EFIAPI
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SiInstallPolicyReadyPpi (
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VOID
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)
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{
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EFI_STATUS Status;
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EFI_PEI_PPI_DESCRIPTOR *SiPolicyPpiDesc;
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SI_POLICY_PPI *SiPolicy;
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SiPolicyPpiDesc = (EFI_PEI_PPI_DESCRIPTOR *) AllocateZeroPool (sizeof (EFI_PEI_PPI_DESCRIPTOR));
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if (SiPolicyPpiDesc == NULL) {
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ASSERT (FALSE);
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return EFI_OUT_OF_RESOURCES;
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}
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SiPolicyPpiDesc->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;
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SiPolicyPpiDesc->Guid = &gSiPolicyReadyPpiGuid;
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SiPolicyPpiDesc->Ppi = NULL;
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SiPolicy = NULL;
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Status = PeiServicesLocatePpi (
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&gSiPolicyPpiGuid,
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0,
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NULL,
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(VOID **)&SiPolicy
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);
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ASSERT_EFI_ERROR(Status);
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DEBUG ((DEBUG_INFO, "Dump Silicon Policy update by Platform...\n"));
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DumpSiPolicy (SiPolicy);
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//
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// Install Silicon Policy Ready PPI
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//
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Status = PeiServicesInstallPpi (SiPolicyPpiDesc);
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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