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IntelFsp2WrapperPkg: Support UPD allocation outside FspWrapper

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UPD allocation and patching can be done outside FspWrapper
as implementation choice so adding a PCD to select between
original FspWrapper allocation model or outside model

Cc: Jiewen Yao <Jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chasel Chiu <chasel.chiu@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
This commit is contained in:
Chasel, Chiu
2017-11-23 10:22:45 +08:00
parent 984ba6a467
commit e69dcef54e
5 changed files with 76 additions and 52 deletions
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13
IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec
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@@ -1,7 +1,7 @@
## @file
# Provides drivers and definitions to support fsp in EDKII bios.
#
# Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2014 - 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
@@ -95,4 +95,13 @@
[PcdsFixedAtBuild, PcdsPatchableInModule,PcdsDynamic,PcdsDynamicEx]
gIntelFsp2WrapperTokenSpaceGuid.PcdFspsBaseAddress|0x00000000|UINT32|0x00001001
#
# To provide flexibility for platform to pre-allocate FSP UPD buffer
#
# The PCDs define the pre-allocated FSPM and FSPS UPD Data Buffer Address.
# 0x00000000 - Platform will not pre-allocate UPD buffer before FspWrapper module
# non-zero - Platform will pre-allocate UPD buffer and patch this value to
# buffer address before FspWrapper module executing.
#
gIntelFsp2WrapperTokenSpaceGuid.PcdFspmUpdDataAddress|0x00000000|UINT32|0x50000000
gIntelFsp2WrapperTokenSpaceGuid.PcdFspsUpdDataAddress|0x00000000|UINT32|0x50000001