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arm/virt: Add support for GICv2 virtualization extensions

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Add support for GICv2 virtualization extensions by mapping the necessary
I/O regions and connecting the maintenance IRQ lines.

Declare those additions in the device tree and in the ACPI tables.

Signed-off-by: Luc Michel <luc.michel@greensocs.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20180727095421.386-21-luc.michel@greensocs.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Luc Michel 2018-08-14 17:17:21 +01:00 • committed by Peter Maydell
parent 75b749af0c
commit 55ef323358
3 changed files with 50 additions and 12 deletions
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4
include/hw/arm/virt.h
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@ -42,7 +42,7 @@
#define NUM_VIRTIO_TRANSPORTS 32
#define NUM_SMMU_IRQS 4
#define ARCH_GICV3_MAINT_IRQ 9
#define ARCH_GIC_MAINT_IRQ 9
#define ARCH_TIMER_VIRT_IRQ 11
#define ARCH_TIMER_S_EL1_IRQ 13
@ -60,6 +60,8 @@ enum {
VIRT_GIC_DIST,
VIRT_GIC_CPU,
VIRT_GIC_V2M,
VIRT_GIC_HYP,
VIRT_GIC_VCPU,
VIRT_GIC_ITS,
VIRT_GIC_REDIST,
VIRT_GIC_REDIST2,