LXR linux/arch/arm/include/asm/hardware/gic.h

   1/*
   2 *  arch/arm/include/asm/hardware/gic.h
   3 *
   4 *  Copyright (C) 2002 ARM Limited, All Rights Reserved.
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License version 2 as
   8 * published by the Free Software Foundation.
   9 */
  10#ifndef __ASM_ARM_HARDWARE_GIC_H
  11#define __ASM_ARM_HARDWARE_GIC_H
  12
  13#include <linux/compiler.h>
  14
  15#define GIC_CPU_CTRL                    0x00
  16#define GIC_CPU_PRIMASK                 0x04
  17#define GIC_CPU_BINPOINT                0x08
  18#define GIC_CPU_INTACK                  0x0c
  19#define GIC_CPU_EOI                     0x10
  20#define GIC_CPU_RUNNINGPRI              0x14
  21#define GIC_CPU_HIGHPRI                 0x18
  22
  23#define GIC_DIST_CTRL                   0x000
  24#define GIC_DIST_CTR                    0x004
  25#define GIC_DIST_ENABLE_SET             0x100
  26#define GIC_DIST_ENABLE_CLEAR           0x180
  27#define GIC_DIST_PENDING_SET            0x200
  28#define GIC_DIST_PENDING_CLEAR          0x280
  29#define GIC_DIST_ACTIVE_BIT             0x300
  30#define GIC_DIST_PRI                    0x400
  31#define GIC_DIST_TARGET                 0x800
  32#define GIC_DIST_CONFIG                 0xc00
  33#define GIC_DIST_SOFTINT                0xf00
  34
  35#ifndef __ASSEMBLY__
  36#include <linux/irqdomain.h>
  37struct device_node;
  38
  39extern struct irq_chip gic_arch_extn;
  40
  41void gic_init_bases(unsigned int, int, void __iomem *, void __iomem *,
  42                    u32 offset, struct device_node *);
  43int gic_of_init(struct device_node *node, struct device_node *parent);
  44void gic_secondary_init(unsigned int);
  45void gic_handle_irq(struct pt_regs *regs);
  46void gic_cascade_irq(unsigned int gic_nr, unsigned int irq);
  47void gic_raise_softirq(const struct cpumask *mask, unsigned int irq);
  48
  49static inline void gic_init(unsigned int nr, int start,
  50                            void __iomem *dist , void __iomem *cpu)
  51{
  52        gic_init_bases(nr, start, dist, cpu, 0, NULL);
  53}
  54
  55#endif
  56
  57#endif
  58