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Last change
on this file since 101291 was 101291, checked in by vboxsync, 14 months ago |
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EFI/FirmwareNew: Make edk2-stable202308 build on all supported platforms (using gcc at least, msvc not tested yet), bugref:4643
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Property svn:eol-style
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File size:
944 bytes
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| 1 | /** @file
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| 2 | *
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| 3 | * Copyright (c) 2011-2023, Arm Limited. All rights reserved.
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| 4 | *
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| 5 | * SPDX-License-Identifier: BSD-2-Clause-Patent
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| 6 | *
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| 7 | **/
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| 8 |
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| 9 | #include <Uefi.h>
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| 10 | #include <Library/IoLib.h>
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| 11 | #include <Library/ArmGicLib.h>
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| 12 |
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| 13 | VOID
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| 14 | EFIAPI
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| 15 | ArmGicEnableDistributor (
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| 16 | IN UINTN GicDistributorBase
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| 17 | )
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| 18 | {
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| 19 | ARM_GIC_ARCH_REVISION Revision;
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| 20 | UINT32 GicDistributorCtl;
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| 21 |
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| 22 | /*
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| 23 | * Enable GIC distributor in Non-Secure world.
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| 24 | * Note: The ICDDCR register is banked when Security extensions are implemented
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| 25 | */
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| 26 | Revision = ArmGicGetSupportedArchRevision ();
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| 27 | if (Revision == ARM_GIC_ARCH_REVISION_2) {
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| 28 | MmioWrite32 (GicDistributorBase + ARM_GIC_ICDDCR, 0x1);
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| 29 | } else {
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| 30 | GicDistributorCtl = MmioRead32 (GicDistributorBase + ARM_GIC_ICDDCR);
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| 31 | if ((GicDistributorCtl & ARM_GIC_ICDDCR_ARE) != 0) {
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| 32 | MmioOr32 (GicDistributorBase + ARM_GIC_ICDDCR, 0x2);
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| 33 | } else {
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| 34 | MmioOr32 (GicDistributorBase + ARM_GIC_ICDDCR, 0x1);
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| 35 | }
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| 36 | }
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| 37 | }
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