54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
/*++
|
|
|
|
Copyright (c) 2013-2014, ARM Ltd. All rights reserved.<BR>
|
|
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
Module Name:
|
|
|
|
ArmGicDxe.c
|
|
|
|
Abstract:
|
|
|
|
Driver implementing the GIC interrupt controller protocol
|
|
|
|
--*/
|
|
|
|
#include <PiDxe.h>
|
|
|
|
#include "ArmGicDxe.h"
|
|
|
|
/**
|
|
Initialize the state information for the CPU Architectural Protocol
|
|
|
|
@param ImageHandle of the loaded driver
|
|
@param SystemTable Pointer to the System Table
|
|
|
|
@retval EFI_SUCCESS Protocol registered
|
|
@retval EFI_OUT_OF_RESOURCES Cannot allocate protocol data structure
|
|
@retval EFI_DEVICE_ERROR Hardware problems
|
|
@retval EFI_UNSUPPORTED GIC version not supported
|
|
|
|
**/
|
|
EFI_STATUS
|
|
InterruptDxeInitialize (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
ARM_GIC_ARCH_REVISION Revision;
|
|
|
|
Revision = ArmGicGetSupportedArchRevision ();
|
|
|
|
if (Revision == ARM_GIC_ARCH_REVISION_2) {
|
|
Status = GicV2DxeInitialize (ImageHandle, SystemTable);
|
|
} else if (Revision == ARM_GIC_ARCH_REVISION_3) {
|
|
Status = GicV3DxeInitialize (ImageHandle, SystemTable);
|
|
} else {
|
|
Status = EFI_UNSUPPORTED;
|
|
}
|
|
|
|
return Status;
|
|
}
|