/** @file

  Copyright (C) 2008-2025 Advanced Micro Devices, Inc. All rights reserved.<BR>

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

**/

#include <PiDxe.h>
#include <Library/PciHostBridgeLib.h>
#include <Library/DebugLib.h>
#include <Library/DevicePathLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Protocol/PciRootBridgeIo.h>
#include <Protocol/PciHostBridgeResourceAllocation.h>

/**
  Sort all root bridges in bus ascending order and set DevicePath UIDs
  continuous and ascending from zero

  @param[in,out]  RootBridgeList  Array of root bridges.
  @param[in]      Count           Count of root bridges in RootBridgeList

  @return All the root bridge instances in an array are sorted in bus order.
          DevicePath UID updated to continuous and ascending numbers starting
          with 0.
**/
VOID
EFIAPI
PciHostBridgeSortRootBridges (
  IN  PCI_ROOT_BRIDGE  *RootBridgeList,
  IN  UINTN            Count
  )
{
}

/**
  Return all the root bridge instances in an array.

  @param Count  Return the count of root bridge instances.

  @return All the root bridge instances in an array.
          The array should be passed into PciHostBridgeFreeRootBridges()
          when it's not used.
**/
PCI_ROOT_BRIDGE *
EFIAPI
PciHostBridgeGetRootBridges (
  UINTN  *Count
  )
{
  return (PCI_ROOT_BRIDGE *)NULL;
}

/**
  Free the root bridge instances array returned from PciHostBridgeGetRootBridges().

  @param Bridges The root bridge instances array.
  @param Count   The count of the array.
**/
VOID
EFIAPI
PciHostBridgeFreeRootBridges (
  PCI_ROOT_BRIDGE  *Bridges,
  UINTN            Count
  )
{
}

/**
  Inform the platform that the resource conflict happens.

  @param HostBridgeHandle Handle of the Host Bridge.
  @param Configuration    Pointer to PCI I/O and PCI memory resource
                          descriptors. The Configuration contains the resources
                          for all the root bridges. The resource for each root
                          bridge is terminated with END descriptor and an
                          additional END is appended indicating the end of the
                          entire resources. The resource descriptor field
                          values follow the description in
                          EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL
                          .SubmitResources().
**/
VOID
EFIAPI
PciHostBridgeResourceConflict (
  EFI_HANDLE  HostBridgeHandle,
  VOID        *Configuration
  )
{
}