IntelFspWrapperPkg/FspInitPei/FspNotifyS3.c

   1 /** @file
   2   In EndOfPei notify, it will call FspNotifyPhase API.
   3
   4   Copyright (c) 2014 - 2015, Intel Corporation. All rights reserved.<BR>
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9
  10 #include "FspInitPei.h"
  11
  12 /**
  13   This function handles S3 resume task at the end of PEI
  14
  15   @param[in] PeiServices    Pointer to PEI Services Table.
  16   @param[in] NotifyDesc     Pointer to the descriptor for the Notification event that
  17                             caused this function to execute.
  18   @param[in] Ppi            Pointer to the PPI data associated with this function.
  19
  20   @retval EFI_STATUS        Always return EFI_SUCCESS
  21 **/
  22 EFI_STATUS
  23 EFIAPI
  24 S3EndOfPeiNotify (
  25   IN EFI_PEI_SERVICES          **PeiServices,
  26   IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDesc,
  27   IN VOID                      *Ppi
  28   );
  29
  30 EFI_PEI_NOTIFY_DESCRIPTOR mS3EndOfPeiNotifyDesc = {
  31   (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
  32   &gEfiEndOfPeiSignalPpiGuid,
  33   S3EndOfPeiNotify
  34 };
  35
  36 /**
  37   This function handles S3 resume task at the end of PEI
  38
  39   @param[in] PeiServices    Pointer to PEI Services Table.
  40   @param[in] NotifyDesc     Pointer to the descriptor for the Notification event that
  41                             caused this function to execute.
  42   @param[in] Ppi            Pointer to the PPI data associated with this function.
  43
  44   @retval EFI_STATUS        Always return EFI_SUCCESS
  45 **/
  46 EFI_STATUS
  47 EFIAPI
  48 S3EndOfPeiNotify (
  49   IN EFI_PEI_SERVICES          **PeiServices,
  50   IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDesc,
  51   IN VOID                      *Ppi
  52   )
  53 {
  54   NOTIFY_PHASE_PARAMS NotifyPhaseParams;
  55   EFI_STATUS          Status;
  56   FSP_INFO_HEADER     *FspHeader;
  57
  58   FspHeader = FspFindFspHeader (PcdGet32 (PcdFlashFvFspBase));
  59   if (FspHeader == NULL) {
  60     return EFI_DEVICE_ERROR;
  61   }
  62
  63   DEBUG ((DEBUG_INFO, "S3EndOfPeiNotify enter\n"));
  64
  65   NotifyPhaseParams.Phase = EnumInitPhaseAfterPciEnumeration;
  66   Status = CallFspNotifyPhase (FspHeader, &NotifyPhaseParams);
  67   DEBUG((DEBUG_INFO, "FSP S3NotifyPhase AfterPciEnumeration status: 0x%x\n", Status));
  68
  69   NotifyPhaseParams.Phase = EnumInitPhaseReadyToBoot;
  70   Status = CallFspNotifyPhase (FspHeader, &NotifyPhaseParams);
  71   DEBUG((DEBUG_INFO, "FSP S3NotifyPhase ReadyToBoot status: 0x%x\n", Status));
  72
  73   return EFI_SUCCESS;
  74 }