MdeModulePkg: Disable PciDegrade support for LoongArch64

LoongArch64: Pcie devices that come with OPROM may require large Mem Space,
and downgrading all 64 Bit Bars may result in insufficient space.

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=4157

Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Chao Li <lichao@loongson.cn>
Signed-off-by: Dongyan Qian <qiandongyan@loongson.cn>
Co-authored-by: Bo Zhu <zhubo@loongson.cn>
Reviewed-by: Chao Li <lichao@loongson.cn>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>

diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index 58e6ab0048823ce4817b315a35a5f69f1a9c94f4..be5e829ca9c5a8a33a0d6bb32ac099f67b10c9af 100644 (file)
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -917,7 +917,7 @@
   # @Prompt Enable process non-reset capsule image at runtime.\r
   gEfiMdeModulePkgTokenSpaceGuid.PcdSupportProcessCapsuleAtRuntime|FALSE|BOOLEAN|0x00010079\r
 \r
-[PcdsFeatureFlag.IA32, PcdsFeatureFlag.ARM, PcdsFeatureFlag.AARCH64]\r
+[PcdsFeatureFlag.IA32, PcdsFeatureFlag.ARM, PcdsFeatureFlag.AARCH64, PcdsFeatureFlag.LOONGARCH64]\r
   gEfiMdeModulePkgTokenSpaceGuid.PcdPciDegradeResourceForOptionRom|FALSE|BOOLEAN|0x0001003a\r
 \r
 [PcdsFeatureFlag.IA32, PcdsFeatureFlag.X64]\r