b3a1bde4db
The current implementation only assumes one GIC to be present in the system. However, there are platforms with more than one cascaded interrupt controllers (RealView/EB MPCore for example). Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/*
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* linux/include/asm-arm/hardware/gic.h
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*
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* Copyright (C) 2002 ARM Limited, All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __ASM_ARM_HARDWARE_GIC_H
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#define __ASM_ARM_HARDWARE_GIC_H
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#include <linux/compiler.h>
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#define GIC_CPU_CTRL 0x00
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#define GIC_CPU_PRIMASK 0x04
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#define GIC_CPU_BINPOINT 0x08
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#define GIC_CPU_INTACK 0x0c
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#define GIC_CPU_EOI 0x10
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#define GIC_CPU_RUNNINGPRI 0x14
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#define GIC_CPU_HIGHPRI 0x18
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#define GIC_DIST_CTRL 0x000
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#define GIC_DIST_CTR 0x004
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#define GIC_DIST_ENABLE_SET 0x100
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#define GIC_DIST_ENABLE_CLEAR 0x180
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#define GIC_DIST_PENDING_SET 0x200
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#define GIC_DIST_PENDING_CLEAR 0x280
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#define GIC_DIST_ACTIVE_BIT 0x300
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#define GIC_DIST_PRI 0x400
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#define GIC_DIST_TARGET 0x800
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#define GIC_DIST_CONFIG 0xc00
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#define GIC_DIST_SOFTINT 0xf00
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#ifndef __ASSEMBLY__
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void gic_dist_init(unsigned int gic_nr, void __iomem *base, unsigned int irq_start);
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void gic_cpu_init(unsigned int gic_nr, void __iomem *base);
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void gic_cascade_irq(unsigned int gic_nr, unsigned int irq);
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void gic_raise_softirq(cpumask_t cpumask, unsigned int irq);
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#endif
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#endif
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