IntelFsp2WrapperPkg/Library/BaseFspWrapperPlatformLibSample/FspWrapperPlatformLibSample.c

   1 /** @file
   2   Sample to provide FSP wrapper related function.
   3
   4   Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #include <PiPei.h>
  10 #include <Library/PcdLib.h>
  11
  12 /**
  13   This function overrides the default configurations in the FSP-M UPD data region.
  14
  15   @note At this point, memory is NOT ready, PeiServices are available to use.
  16
  17   @param[in,out] FspUpdRgnPtr   A pointer to the UPD data region data strcture.
  18
  19 **/
  20 VOID
  21 EFIAPI
  22 UpdateFspmUpdData (
  23   IN OUT VOID        *FspUpdRgnPtr
  24   )
  25 {
  26 }
  27
  28 /**
  29   This function overrides the default configurations in the FSP-S UPD data region.
  30
  31   @param[in,out] FspUpdRgnPtr   A pointer to the UPD data region data strcture.
  32
  33 **/
  34 VOID
  35 EFIAPI
  36 UpdateFspsUpdData (
  37   IN OUT VOID        *FspUpdRgnPtr
  38   )
  39 {
  40 }
  41
  42 /**
  43   Update TempRamExit parameter.
  44
  45   @note At this point, memory is ready, PeiServices are available to use.
  46
  47   @return TempRamExit parameter.
  48 **/
  49 VOID *
  50 EFIAPI
  51 UpdateTempRamExitParam (
  52   VOID
  53   )
  54 {
  55   return NULL;
  56 }
  57
  58 /**
  59   Get S3 PEI memory information.
  60
  61   @note At this point, memory is ready, and PeiServices are available to use.
  62   Platform can get some data from SMRAM directly.
  63
  64   @param[out] S3PeiMemSize  PEI memory size to be installed in S3 phase.
  65   @param[out] S3PeiMemBase  PEI memory base to be installed in S3 phase.
  66
  67   @return If S3 PEI memory information is got successfully.
  68 **/
  69 EFI_STATUS
  70 EFIAPI
  71 GetS3MemoryInfo (
  72   OUT UINT64               *S3PeiMemSize,
  73   OUT EFI_PHYSICAL_ADDRESS *S3PeiMemBase
  74   )
  75 {
  76   return EFI_UNSUPPORTED;
  77 }
  78
  79 /**
  80   Perform platform related reset in FSP wrapper.
  81
  82   This function will reset the system with requested ResetType.
  83
  84   @param[in] FspStatusResetType  The type of reset the platform has to perform.
  85 **/
  86 VOID
  87 EFIAPI
  88 CallFspWrapperResetSystem (
  89   IN UINT32    FspStatusResetType
  90   )
  91 {
  92   //
  93   // Perform reset according to the type.
  94   //
  95
  96   CpuDeadLoop();
  97 }