[edk2-platforms][PATCH 6/6] AmpereAltraPkg: Enable NVMe Hot Plug feature

[Minh Nguyen <minhnguyen1@os.amperecomputing.com>]

From: Vu Nguyen <vunguyen@os.amperecomputing.com>

This enables NVMe Hot Plug feature after finishing
PCIe set up. This helps to detect NVMe disk when
it's removed or inserted into its slot.

Signed-off-by: Minh Nguyen <minhnguyen1@os.amperecomputing.com>
---
 Silicon/Ampere/AmpereAltraPkg/Drivers/PcieInitPei/PcieInitPei.inf | 3 ++-
 Silicon/Ampere/AmpereAltraPkg/Drivers/PcieInitPei/PcieInitPei.c   | 3 +++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/Silicon/Ampere/AmpereAltraPkg/Drivers/PcieInitPei/PcieInitPei.inf b/Silicon/Ampere/AmpereAltraPkg/Drivers/PcieInitPei/PcieInitPei.inf
index 32d60bec1440..f9d5c927fca3 100644
--- a/Silicon/Ampere/AmpereAltraPkg/Drivers/PcieInitPei/PcieInitPei.inf
+++ b/Silicon/Ampere/AmpereAltraPkg/Drivers/PcieInitPei/PcieInitPei.inf
@@ -1,6 +1,6 @@
 ## @file
 #
-# Copyright (c) 2020 - 2021, Ampere Computing LLC. All rights reserved.<BR>
+# Copyright (c) 2020 - 2023, Ampere Computing LLC. All rights reserved.<BR>
 #
 # SPDX-License-Identifier: BSD-2-Clause-Patent
 #
@@ -30,6 +30,7 @@ [LibraryClasses]
   BoardPcieLib
   DebugLib
   HobLib
+  PcieHotPlugLib
   PeimEntryPoint
   PeiServicesLib
 
diff --git a/Silicon/Ampere/AmpereAltraPkg/Drivers/PcieInitPei/PcieInitPei.c b/Silicon/Ampere/AmpereAltraPkg/Drivers/PcieInitPei/PcieInitPei.c
index 598a2e64d02f..bf4395d48d40 100644
--- a/Silicon/Ampere/AmpereAltraPkg/Drivers/PcieInitPei/PcieInitPei.c
+++ b/Silicon/Ampere/AmpereAltraPkg/Drivers/PcieInitPei/PcieInitPei.c
@@ -16,6 +16,7 @@
 #include <Library/DebugLib.h>
 #include <Library/HobLib.h>
 #include <Library/Ac01PcieLib.h>
+#include <Library/PcieHotPlugLib.h>
 #include <Library/PeiServicesLib.h>
 #include <Platform/Ac01.h>
 #include <Ppi/ReadOnlyVariable2.h>
@@ -207,6 +208,8 @@ PcieInitEntry (
 
   Ac01PcieCorePostSetupRC (mRootComplexList);
 
+  PcieHotPlugStart ();
+
   //
   // Build Root Complex info Hob
   //
-- 
2.39.0