/** @file
  This is the FSP driver that initializes the Intel PCH.

  Copyright (c) 2019 Intel Corporation. All rights reserved. <BR>

  SPDX-License-Identifier: BSD-2-Clause-Patent
**/

#include <Library/DebugLib.h>
#include <Library/PeiServicesLib.h>
#include "PchInit.h"

EFI_STATUS
EFIAPI
PchOnPciEnumCompleteFsp (
  IN  EFI_PEI_SERVICES            **PeiServices,
  IN  EFI_PEI_NOTIFY_DESCRIPTOR   *NotifyDescriptor,
  IN  VOID                        *Ppi
  );

STATIC
EFI_PEI_NOTIFY_DESCRIPTOR  mPchOnPciEnumCompleteNotifyList[] = {
  {
    (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK  | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
    &gEfiPciEnumerationCompleteProtocolGuid,
    PchOnPciEnumCompleteFsp
  }
};

/**
  <b>FSP PchInit Module Entry Point for FSP</b>\n

  @param[in] FileHandle      PEIM's file handle
  @param[in] PeiServices     An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation

  @retval EFI_SUCCESS             The function completed successfully
  @retval EFI_OUT_OF_RESOURCES    Do not have enough resources to initialize the driver
**/
EFI_STATUS
EFIAPI
PchInitEntryPointFsp (
  IN       EFI_PEI_FILE_HANDLE  FileHandle,
  IN CONST EFI_PEI_SERVICES     **PeiServices
  )
{
  EFI_STATUS  Status;

  DEBUG ((DEBUG_INFO, "PchInitEntryPointFsp() Start\n"));

  PchInitEntryPointCommon ();

  Status = PeiServicesNotifyPpi (mPchOnPciEnumCompleteNotifyList);
  ASSERT_EFI_ERROR (Status);

  DEBUG ((DEBUG_INFO, "PchInitEntryPointFsp() End\n"));

  return Status;
}

/**
  Fsp PCH initialization on PCI enumeration complete

  @param[in]  PeiServices       An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation
  @param[in]  NotifyDescriptor  Address of the notification descriptor data structure.
  @param[in]  Ppi               Address of the PPI that was installed.

  @retval EFI_SUCCESS             The function completed successfully
  @retval EFI_OUT_OF_RESOURCES    Do not have enough resources to initialize the driver
**/
EFI_STATUS
EFIAPI
PchOnPciEnumCompleteFsp (
  IN  EFI_PEI_SERVICES            **PeiServices,
  IN  EFI_PEI_NOTIFY_DESCRIPTOR   *NotifyDescriptor,
  IN  VOID                        *Ppi
  )
{
  DEBUG ((DEBUG_INFO, "PchOnPciEnumCompleteFsp() Start\n"));

  PchOnPciEnumCompleteCommon ();

  DEBUG ((DEBUG_INFO, "PchOnPciEnumCompleteFsp() End\n"));

  return EFI_SUCCESS;
}