sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ArmPkg/ArmGic: Added GICv3 specific definitions

Browse Source 
ARM GICv3 specification introduces some new components and registers.
This patch adds their definitions.

The most important GICv3 component is the GIC Redistributor. It supports
LPIs (Locality-specific peripheral Interrupt), 8+ CPU configuration.
Some GIC distributor registers have moved to the GIC redistributor.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>
Tested-by: Ard Biesheuvel <ard@linaro.org>
Reviewed-by: Ard Biesheuvel <ard@linaro.org>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16872 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Olivier Martin
2015-02-16 10:21:06 +00:00
committed by oliviermartin
parent 90ed18ca87
commit 919697ae6c
5 changed files with 32 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
ArmPkg/Drivers/ArmGic/ArmGicDxe.inf
View File

@@ -52,6 +52,7 @@
[Pcd.common]
gArmTokenSpaceGuid.PcdGicDistributorBase
gArmTokenSpaceGuid.PcdGicRedistributorsBase
gArmTokenSpaceGuid.PcdGicInterruptInterfaceBase
[Depex]

8
ArmPkg/Drivers/ArmGic/GicV3/ArmGicV3Dxe.c
View File

@@ -1,6 +1,6 @@
/** @file
*
* Copyright (c) 2011-2014, ARM Limited. All rights reserved.
* Copyright (c) 2011-2015, ARM Limited. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
@@ -20,6 +20,7 @@
extern EFI_HARDWARE_INTERRUPT_PROTOCOL gHardwareInterruptV3Protocol;
STATIC UINTN mGicDistributorBase;
STATIC UINTN mGicRedistributorsBase;
/**
Enable interrupt source Source.
@@ -243,8 +244,9 @@ GicV3DxeInitialize (
// Make sure the Interrupt Controller Protocol is not already installed in the system.
ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gHardwareInterruptProtocolGuid);
mGicDistributorBase = PcdGet32 (PcdGicDistributorBase);
mGicNumInterrupts = ArmGicGetMaxNumInterrupts (mGicDistributorBase);
mGicDistributorBase = PcdGet32 (PcdGicDistributorBase);
mGicRedistributorsBase = PcdGet32 (PcdGicRedistributorsBase);
mGicNumInterrupts = ArmGicGetMaxNumInterrupts (mGicDistributorBase);
for (Index = 0; Index < mGicNumInterrupts; Index++) {
GicV3DisableInterruptSource (&gHardwareInterruptV3Protocol, Index);