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ArmVirtPkg: record GIC revision in dynamic PCD 

In order to allow a ArmGicArchLib to be implemented that returns
the supported GIC revision based on the device tree, add handling
to VirtFdtDxe to record the GIC revision at DT parsing time.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
Tested-by: Leif Lindholm <leif.lindholm@linaro.org>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18101 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Ard Biesheuvel 2015-07-28 20:45:25 +00:00 committed by abiesheuvel
parent f94522c823
commit ae26410e28
5 changed files with 10 additions and 0 deletions
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5
ArmVirtPkg/ArmVirtPkg.dec
View File

@ -68,6 +68,11 @@
gArmVirtTokenSpaceGuid.PcdFwCfgSelectorAddress|0x0|UINT64|0x00000004
gArmVirtTokenSpaceGuid.PcdFwCfgDataAddress|0x0|UINT64|0x00000005
#
# Supported GIC revision (2, 3, ...)
#
gArmVirtTokenSpaceGuid.PcdArmGicRevision|0x0|UINT32|0x00000008
[PcdsFeatureFlag]
#
# "Map PCI MMIO as Cached"

1
ArmVirtPkg/ArmVirtQemu.dsc
View File

@ -205,6 +205,7 @@
gArmTokenSpaceGuid.PcdGicDistributorBase|0x0
gArmTokenSpaceGuid.PcdGicRedistributorsBase|0x0
gArmTokenSpaceGuid.PcdGicInterruptInterfaceBase|0x0
gArmVirtTokenSpaceGuid.PcdArmGicRevision|0x0
## PL031 RealTimeClock
gArmPlatformTokenSpaceGuid.PcdPL031RtcBase|0x0

1
ArmVirtPkg/ArmVirtXen.dsc
View File

@ -127,6 +127,7 @@
gArmTokenSpaceGuid.PcdGicDistributorBase|0x0
gArmTokenSpaceGuid.PcdGicRedistributorsBase|0x0
gArmTokenSpaceGuid.PcdGicInterruptInterfaceBase|0x0
gArmVirtTokenSpaceGuid.PcdArmGicRevision|0x0
## PL031 RealTimeClock
gArmPlatformTokenSpaceGuid.PcdPL031RtcBase|0x0

2
ArmVirtPkg/VirtFdtDxe/VirtFdtDxe.c
View File

@ -441,6 +441,7 @@ InitializeVirtFdtDxe (
PcdSet32 (PcdGicDistributorBase, (UINT32)DistBase);
PcdSet32 (PcdGicInterruptInterfaceBase, (UINT32)CpuBase);
PcdSet32 (PcdArmGicRevision, 2);
DEBUG ((EFI_D_INFO, "Found GIC @ 0x%Lx/0x%Lx\n", DistBase, CpuBase));
break;
@ -470,6 +471,7 @@ InitializeVirtFdtDxe (
PcdSet32 (PcdGicDistributorBase, (UINT32)DistBase);
PcdSet32 (PcdGicRedistributorsBase, (UINT32)RedistBase);
PcdSet32 (PcdArmGicRevision, 3);
DEBUG ((EFI_D_INFO, "Found GIC v3 (re)distributor @ 0x%Lx (0x%Lx)\n",
DistBase, RedistBase));

1
ArmVirtPkg/VirtFdtDxe/VirtFdtDxe.inf
View File

@ -53,6 +53,7 @@
gArmVirtTokenSpaceGuid.PcdArmPsciMethod
gArmVirtTokenSpaceGuid.PcdFwCfgSelectorAddress
gArmVirtTokenSpaceGuid.PcdFwCfgDataAddress
gArmVirtTokenSpaceGuid.PcdArmGicRevision
gArmTokenSpaceGuid.PcdGicDistributorBase
gArmTokenSpaceGuid.PcdGicRedistributorsBase
gArmTokenSpaceGuid.PcdGicInterruptInterfaceBase