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path: root/Silicon/Intel/KabylakeSiliconPkg/Library/PeiSiliconPolicyInitLibFsp/PeiFspPolicyInitLib.c
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/** @file
  Instance of Fsp Policy Initialization Library.

Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that accompanies this distribution.
The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

**/

#include <PeiFspPolicyInitLib.h>

/**
  Performs silicon pre-mem policy initialization.

  The meaning of Policy is defined by silicon code.
  It could be the raw data, a handle, a PPI, etc.

  The returned data must be used as input data for SiliconPolicyDonePreMem(),
  and SiliconPolicyUpdateLib.SiliconPolicyUpdatePreMem().

  1) In FSP path, the input Policy should be FspmUpd.
  Value of FspmUpd has been initialized by FSP binary default value.
  Only a subset of FspmUpd needs to be updated for different silicon sku.
  The return data is same FspmUpd.

  2) In non-FSP path, the input policy could be NULL.
  The return data is the initialized policy.

  @param[in, out] Policy       Pointer to policy.

  @return the initialized policy.
**/
VOID *
EFIAPI
SiliconPolicyInitPreMem (
  IN OUT VOID    *FspmUpd
  )
{
  FSPM_UPD              *FspmUpdDataPtr;
  EFI_STATUS            Status;

  FspmUpdDataPtr = FspmUpd;

  //
  // Initialize Intel PEI Platform Policy
  //
  PeiPolicyInitPreMem ();

  //
  // SI Pei Fsp Policy Initialization
  //
  Status = PeiFspSiPolicyInitPreMem (FspmUpdDataPtr);
  if (EFI_ERROR (Status)) {
    DEBUG ((DEBUG_WARN, "ERROR - SI Pei Fsp Policy in Pre-Memory Initialization fail, Status = %r\n", Status));
  }

  //
  // PCH Pei Fsp Policy Initialization
  //
  Status = PeiFspPchPolicyInitPreMem (FspmUpdDataPtr);
  if (EFI_ERROR (Status)) {
    DEBUG ((DEBUG_WARN, "ERROR - PCH Pei Fsp Policy in Pre-Memory Initialization fail, Status = %r\n", Status));
  }

  //
  // Cpu Pei Fsp Policy Initialization
  //
  Status = PeiFspCpuPolicyInitPreMem (FspmUpdDataPtr);
  if (EFI_ERROR (Status)) {
    DEBUG ((DEBUG_WARN, "ERROR - CPU Pei Fsp Policy in Pre-Memory Initialization fail, Status = %r\n", Status));
  }


  //
  // ME Pei Fsp Policy Initialization
  //
  Status = PeiFspMePolicyInitPreMem (FspmUpdDataPtr);
  if (EFI_ERROR (Status)) {
    DEBUG ((DEBUG_WARN, "ERROR - ME Pei Fsp Policy in Pre-Memory Initialization fail, Status = %r\n", Status));
  }

  //
  // SystemAgent Pei Fsp Policy Initialization
  //
  Status = PeiFspSaPolicyInitPreMem (FspmUpdDataPtr);
  if (EFI_ERROR (Status)) {
    DEBUG ((DEBUG_WARN, "ERROR - SystemAgent Pei Fsp Policy in Pre-Memory Initialization fail, Status = %r\n", Status));
  }

  //
  // Other Upd Initialization
  //
  Status = PeiFspMiscUpdInitPreMem (FspmUpdDataPtr);

  return FspmUpd;
}

/*
  The silicon pre-mem policy is finalized.
  Silicon code can do initialization based upon the policy data.

  The input Policy must be returned by SiliconPolicyInitPreMem().
  
  @param[in] Policy       Pointer to policy.

  @retval EFI_SUCCESS The policy is handled consumed by silicon code.
*/
EFI_STATUS
EFIAPI
SiliconPolicyDonePreMem (
  IN OUT VOID    *FspmUpd
  )
{
  return EFI_SUCCESS;
}

/**
  Performs silicon post-mem policy initialization.

  The meaning of Policy is defined by silicon code.
  It could be the raw data, a handle, a PPI, etc.

  The returned data must be used as input data for SiliconPolicyDonePostMem(),
  and SiliconPolicyUpdateLib.SiliconPolicyUpdatePostMem().

  1) In FSP path, the input Policy should be FspsUpd.
  Value of FspsUpd has been initialized by FSP binary default value.
  Only a subset of FspsUpd needs to be updated for different silicon sku.
  The return data is same FspsUpd.

  2) In non-FSP path, the input policy could be NULL.
  The return data is the initialized policy.

  @param[in, out] Policy       Pointer to policy.

  @return the initialized policy.
**/
VOID *
EFIAPI
SiliconPolicyInitPostMem (
  IN OUT VOID    *FspsUpd
  )
{
  FSPS_UPD              *FspsUpdDataPtr;
  EFI_STATUS            Status;

  FspsUpdDataPtr = FspsUpd;

  //
  // Initialize Intel PEI Platform Policy
  //
  PeiPolicyInit ();

  //
  // PCH Pei Fsp Policy Initialization
  //
  Status = PeiFspPchPolicyInit (FspsUpdDataPtr);
  if (EFI_ERROR (Status)) {
    DEBUG ((DEBUG_WARN, "ERROR - PCH Pei Fsp Policy iInitialization fail, Status = %r\n", Status));
  }

  //
  // ME Pei Fsp Policy Initialization
  //
  Status = PeiFspMePolicyInit (FspsUpdDataPtr);
  if (EFI_ERROR (Status)) {
    DEBUG ((DEBUG_WARN, "ERROR - ME Pei Fsp Policy Initialization fail, Status = %r\n", Status));
  }

  //
  // SystemAgent Pei Fsp Policy Initialization
  //
  Status = PeiFspSaPolicyInit (FspsUpdDataPtr);
  if (EFI_ERROR (Status)) {
    DEBUG ((DEBUG_WARN, "ERROR - SystemAgent Pei Fsp Policy Initialization fail, Status = %r\n", Status));
  }


  //
  // Cpu Pei Fsp Policy Initialization
  //
  Status = PeiFspCpuPolicyInit (FspsUpdDataPtr);
  if (EFI_ERROR (Status)) {
    DEBUG ((DEBUG_WARN, "ERROR - CPU Pei Fsp Policy Initialization fail, Status = %r\n", Status));
  }

  return FspsUpd;
}

/*
  The silicon post-mem policy is finalized.
  Silicon code can do initialization based upon the policy data.

  The input Policy must be returned by SiliconPolicyInitPostMem().
  
  @param[in] Policy       Pointer to policy.

  @retval EFI_SUCCESS The policy is handled consumed by silicon code.
*/
EFI_STATUS
EFIAPI
SiliconPolicyDonePostMem (
  IN OUT VOID    *FspsUpd
  )
{
  return EFI_SUCCESS;
}