diff options
| -rw-r--r-- | ArmPkg/Drivers/PL390Gic/PL390GicSec.c | 13 | ||||
| -rw-r--r-- | ArmPkg/Include/Library/ArmGicLib.h | 6 |
2 files changed, 19 insertions, 0 deletions
diff --git a/ArmPkg/Drivers/PL390Gic/PL390GicSec.c b/ArmPkg/Drivers/PL390Gic/PL390GicSec.c index c137c95f20..25038bd63f 100644 --- a/ArmPkg/Drivers/PL390Gic/PL390GicSec.c +++ b/ArmPkg/Drivers/PL390Gic/PL390GicSec.c @@ -109,6 +109,19 @@ ArmGicEnableInterruptInterface ( VOID
EFIAPI
+ArmGicDisableInterruptInterface (
+ IN INTN GicInterruptInterfaceBase
+ )
+{
+ UINT32 ControlValue;
+
+ // Disable CPU interface in Secure world and Non-secure World
+ ControlValue = MmioRead32 (GicInterruptInterfaceBase + ARM_GIC_ICCICR);
+ MmioWrite32 (GicInterruptInterfaceBase + ARM_GIC_ICCICR, ControlValue & ~(ARM_GIC_ICCICR_ENABLE_SECURE | ARM_GIC_ICCICR_ENABLE_NS));
+}
+
+VOID
+EFIAPI
ArmGicEnableDistributor (
IN INTN GicDistributorBase
)
diff --git a/ArmPkg/Include/Library/ArmGicLib.h b/ArmPkg/Include/Library/ArmGicLib.h index c115767bbf..6da072807b 100644 --- a/ArmPkg/Include/Library/ArmGicLib.h +++ b/ArmPkg/Include/Library/ArmGicLib.h @@ -98,6 +98,12 @@ ArmGicEnableInterruptInterface ( VOID
EFIAPI
+ArmGicDisableInterruptInterface (
+ IN INTN GicInterruptInterfaceBase
+ );
+
+VOID
+EFIAPI
ArmGicEnableDistributor (
IN INTN GicDistributorBase
);
|