ubuntu20.04 init

hc

2024-03-25 edb30157bad0c0001c32b854271ace01d3b9a16a

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/** @file 
 
  @copyright 
  Copyright 2017 - 2021 Intel Corporation. <BR> 
 
  SPDX-License-Identifier: BSD-2-Clause-Patent 
**/ 
 
#include <PiPei.h> 
#include <Uefi/UefiSpec.h> 
#include <Ppi/UbaCfgDb.h> 
#include <Library/PeimEntryPoint.h> 
#include <Library/PeiServicesLib.h> 
#include <Library/PeiServicesTablePointerLib.h> 
#include <Library/DebugLib.h> 
#include <Library/IoLib.h> 
#include <Library/UbaClocksConfigLib.h> 
 
EFI_STATUS 
ConfigurePlatformClock ( 
  IN EFI_PEI_SERVICES                   **PeiServices, 
  IN EFI_PEI_NOTIFY_DESCRIPTOR          *NotifyDescriptor, 
  IN VOID                               *SmbusPpi 
) 
{ 
  EFI_STATUS                            Status; 
  UBA_CONFIG_DATABASE_PPI               *UbaConfigPpi = NULL; 
  PLATFORM_CLOCKS_CONFIG_TABLE          PlatformClocksConfigTable; 
  UINTN                                 TableSize; 
 
  Status = PeiServicesLocatePpi ( 
              &gUbaConfigDatabasePpiGuid, 
              0, 
              NULL, 
              &UbaConfigPpi 
              ); 
  if (EFI_ERROR(Status)) { 
    return Status; 
  } 
 
  TableSize = sizeof(PlatformClocksConfigTable); 
  Status = UbaConfigPpi->GetData ( 
                                UbaConfigPpi, 
                                &gPlatformClocksConfigDataGuid, 
                                &PlatformClocksConfigTable, 
                                &TableSize 
                                ); 
 
  if (EFI_ERROR(Status)) { 
    return Status; 
  } 
 
  ASSERT (PlatformClocksConfigTable.Signature == PLATFORM_CLOCKS_CONFIG_SIGNATURE); 
  ASSERT (PlatformClocksConfigTable.Version == PLATFORM_CLOCKS_CONFIG_VERSION); 
 
  Status = PlatformClocksConfigTable.CallUpdate(PeiServices, NotifyDescriptor, SmbusPpi); 
 
  return Status; 
}