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MdeModulePkg/Bus/Pci/PciBusDxe: Support PCIe Resizable BAR Capability

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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=313

Add PcdPcieResizableBarSupport to enable/disable PCIe Resizable
BAR Capability fearture.
Program the Resizable BAR Register if the device suports PCIe Resizable
BAR Capability and PcdPcieResizableBarSupport is TRUE.

Cc: Ray Ni <ray.ni@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Signed-off-by: Heng Luo <heng.luo@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
This commit is contained in:
Luo, Heng
2021-01-04 14:59:54 +08:00
committed by mergify[bot]
parent 42fe8ca453
commit 0785c619a5
7 changed files with 241 additions and 20 deletions
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8
MdeModulePkg/MdeModulePkg.dec
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@@ -4,7 +4,7 @@
# and libraries instances, which are used for those modules.
#
# Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
# Copyright (c) 2007 - 2020, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2007 - 2021, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>
# (C) Copyright 2016 - 2019 Hewlett Packard Enterprise Development LP<BR>
# Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>
@@ -2043,6 +2043,12 @@
# @Prompt Enable StatusCode via memory.
gEfiMdeModulePkgTokenSpaceGuid.PcdStatusCodeUseMemory|FALSE|BOOLEAN|0x00010023
## Indicates if the PCIe Resizable BAR Capability Supported.<BR><BR>
# TRUE - PCIe Resizable BAR Capability is supported.<BR>
# FALSE - PCIe Resizable BAR Capability is not supported.<BR>
# @Prompt Enable PCIe Resizable BAR Capability support.
gEfiMdeModulePkgTokenSpaceGuid.PcdPcieResizableBarSupport|TRUE|BOOLEAN|0x10000024
[PcdsPatchableInModule]
## Specify memory size with page number for PEI code when
# Loading Module at Fixed Address feature is enabled.