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interrupt_controller: gic: Add support for the GIC400

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The GIC400 is a common interrupt controller that can be used with the
Cortex A and R series processors.  This patch adds basic interrupt
handling for the GIC, but does not handle multiple routing or
priorities.

Signed-off-by: Bradley Bolen <bbolen@lexmark.com>
This commit is contained in:
Bradley Bolen 2018-04-18 12:13:06 +03:00 • committed by Ioannis Glaropoulos
commit 571d3b54db
5 changed files with 306 additions and 0 deletions
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23
include/dt-bindings/interrupt-controller/arm-gic.h Normal file
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/*
* Copyright (c) 2018 Lexmark International, Inc.
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef __DT_BINDING_ARM_GIC_H
#define __DT_BINDING_ARM_GIC_H
/* CPU Interrupt numbers */
#define GIC_INT_VIRT_MAINT 25
#define GIC_INT_HYP_TIMER 26
#define GIC_INT_VIRT_TIMER 27
#define GIC_INT_LEGACY_FIQ 28
#define GIC_INT_PHYS_TIMER 29
#define GIC_INT_NS_PHYS_TIMER 30
#define GIC_INT_LEGACY_IRQ 31
#define IRQ_TYPE_LEVEL 0x0
#define IRQ_TYPE_EDGE 0x1
#define IRQ_DEFAULT_PRIORITY 0xa
#endif