FspNotifyS3.c revision d8043ce905a5832f911361ef30be28765afbdc6b 
1/** @file
2  In EndOfPei notify, it will call FspNotifyPhase API.
3
4  Copyright (c) 2014 - 2015, Intel Corporation. All rights reserved.<BR>
5  This program and the accompanying materials
6  are licensed and made available under the terms and conditions of the BSD License
7  which accompanies this distribution.  The full text of the license may be found at
8  http://opensource.org/licenses/bsd-license.php.
9
10  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12
13**/
14
15
16#include "FspInitPei.h"
17
18/**
19  This function handles S3 resume task at the end of PEI
20
21  @param[in] PeiServices    Pointer to PEI Services Table.
22  @param[in] NotifyDesc     Pointer to the descriptor for the Notification event that
23                            caused this function to execute.
24  @param[in] Ppi            Pointer to the PPI data associated with this function.
25
26  @retval EFI_STATUS        Always return EFI_SUCCESS
27**/
28EFI_STATUS
29EFIAPI
30S3EndOfPeiNotify (
31  IN EFI_PEI_SERVICES          **PeiServices,
32  IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDesc,
33  IN VOID                      *Ppi
34  );
35
36EFI_PEI_NOTIFY_DESCRIPTOR mS3EndOfPeiNotifyDesc = {
37  (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
38  &gEfiEndOfPeiSignalPpiGuid,
39  S3EndOfPeiNotify
40};
41
42/**
43  This function handles S3 resume task at the end of PEI
44
45  @param[in] PeiServices    Pointer to PEI Services Table.
46  @param[in] NotifyDesc     Pointer to the descriptor for the Notification event that
47                            caused this function to execute.
48  @param[in] Ppi            Pointer to the PPI data associated with this function.
49
50  @retval EFI_STATUS        Always return EFI_SUCCESS
51**/
52EFI_STATUS
53EFIAPI
54S3EndOfPeiNotify (
55  IN EFI_PEI_SERVICES          **PeiServices,
56  IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDesc,
57  IN VOID                      *Ppi
58  )
59{
60  NOTIFY_PHASE_PARAMS NotifyPhaseParams;
61  EFI_STATUS          Status;
62  FSP_INFO_HEADER     *FspHeader;
63
64  FspHeader = FspFindFspHeader (PcdGet32 (PcdFlashFvFspBase));
65  if (FspHeader == NULL) {
66    return EFI_DEVICE_ERROR;
67  }
68
69  DEBUG ((DEBUG_INFO, "S3EndOfPeiNotify enter\n"));
70
71  NotifyPhaseParams.Phase = EnumInitPhaseAfterPciEnumeration;
72  Status = CallFspNotifyPhase (FspHeader, &NotifyPhaseParams);
73  DEBUG((DEBUG_INFO, "FSP S3NotifyPhase AfterPciEnumeration status: 0x%x\n", Status));
74
75  NotifyPhaseParams.Phase = EnumInitPhaseReadyToBoot;
76  Status = CallFspNotifyPhase (FspHeader, &NotifyPhaseParams);
77  DEBUG((DEBUG_INFO, "FSP S3NotifyPhase ReadyToBoot status: 0x%x\n", Status));
78
79  return EFI_SUCCESS;
80}
81