From: Ard Biesheuvel <a...@kernel.org>
Spec adherent AArch64 systems use PSCI to manage secondary CPUs, and
only enter the execution level where UEFI and the OS live using a single
CPU.
This means using a SEC implementation of the MPCore variety is never
needed, and in practice, those drivers don't work correctly unless an
older version of the GIC is used (v2), which only supports up to 8 CPUs
and is therefore rare on server silicon.
So switch to the UniCore flavor, which should be functionally equivalent
if only a single CPU runs the UEFI firmware.
Signed-off-by: Ard Biesheuvel <a...@kernel.org>
---
Silicon/Ampere/AmpereAltraPkg/AmpereAltraPkg.dsc.inc | 6 +-----
Platform/Ampere/JadePkg/Jade.fdf | 2 +-
2 files changed, 2 insertions(+), 6 deletions(-)
diff --git a/Silicon/Ampere/AmpereAltraPkg/AmpereAltraPkg.dsc.inc
b/Silicon/Ampere/AmpereAltraPkg/AmpereAltraPkg.dsc.inc
index 977e4c4c238d..bec743e2c453 100644
--- a/Silicon/Ampere/AmpereAltraPkg/AmpereAltraPkg.dsc.inc
+++ b/Silicon/Ampere/AmpereAltraPkg/AmpereAltraPkg.dsc.inc
@@ -390,12 +390,8 @@ [PcdsFixedAtBuild.common]
gEfiMdeModulePkgTokenSpaceGuid.PcdMaxVariableSize|0x2000
gEfiMdeModulePkgTokenSpaceGuid.PcdMaxAuthVariableSize|0x2800
- #
- # Stacks for MPCores in Normal World
- #
gArmPlatformTokenSpaceGuid.PcdCPUCoresStackBase|0x91100000
gArmPlatformTokenSpaceGuid.PcdCPUCorePrimaryStackSize|0x20000
- gArmPlatformTokenSpaceGuid.PcdCPUCoreSecondaryStackSize|0x1000
#
# Maximum memory region that fits into the 32bit address space
@@ -525,7 +521,7 @@ [Components.common]
#
# PEI Phase modules
#
- ArmPlatformPkg/PrePeiCore/PrePeiCoreMPCore.inf
+ ArmPlatformPkg/PrePeiCore/PrePeiCoreUniCore.inf
MdeModulePkg/Core/Pei/PeiMain.inf
MdeModulePkg/Universal/PCD/Pei/Pcd.inf {
<LibraryClasses>
diff --git a/Platform/Ampere/JadePkg/Jade.fdf b/Platform/Ampere/JadePkg/Jade.fdf
index 127e4401f69b..6d1af3570287 100644
--- a/Platform/Ampere/JadePkg/Jade.fdf
+++ b/Platform/Ampere/JadePkg/Jade.fdf
@@ -148,7 +148,7 @@ [FV.FVMAIN_COMPACT]
INF MdeModulePkg/Universal/StatusCodeHandler/Pei/StatusCodeHandlerPei.inf
}
- INF ArmPlatformPkg/PrePeiCore/PrePeiCoreMPCore.inf
+ INF ArmPlatformPkg/PrePeiCore/PrePeiCoreUniCore.inf
INF MdeModulePkg/Core/Pei/PeiMain.inf
INF UefiCpuPkg/CpuIoPei/CpuIoPei.inf
INF ArmPlatformPkg/PlatformPei/PlatformPeim.inf
--
2.46.0.rc1.232.g9752f9e123-goog
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