diff options
Diffstat (limited to 'ArmPkg/Drivers/ArmGic/GicV3/ArmGicV3Dxe.c')
| -rw-r--r-- | ArmPkg/Drivers/ArmGic/GicV3/ArmGicV3Dxe.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/ArmPkg/Drivers/ArmGic/GicV3/ArmGicV3Dxe.c b/ArmPkg/Drivers/ArmGic/GicV3/ArmGicV3Dxe.c index e94e015e1..f3bf1910c 100644 --- a/ArmPkg/Drivers/ArmGic/GicV3/ArmGicV3Dxe.c +++ b/ArmPkg/Drivers/ArmGic/GicV3/ArmGicV3Dxe.c @@ -249,6 +249,14 @@ GicV3DxeInitialize ( mGicRedistributorsBase = PcdGet32 (PcdGicRedistributorsBase);
mGicNumInterrupts = ArmGicGetMaxNumInterrupts (mGicDistributorBase);
+ //
+ // We will be driving this GIC in native v3 mode, i.e., with Affinity
+ // Routing enabled. So ensure that the ARE bit is set.
+ //
+ if (!FeaturePcdGet (PcdArmGicV3WithV2Legacy)) {
+ MmioOr32 (mGicDistributorBase + ARM_GIC_ICDDCR, ARM_GIC_ICDDCR_ARE);
+ }
+
for (Index = 0; Index < mGicNumInterrupts; Index++) {
GicV3DisableInterruptSource (&gHardwareInterruptV3Protocol, Index);
|