include/linux/irqchip/arm-gic.h

   1 /*
   2  *  include/linux/irqchip/arm-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 __LINUX_IRQCHIP_ARM_GIC_H
  11 #define __LINUX_IRQCHIP_ARM_GIC_H
  12
  13 #define GIC_CPU_CTRL                    0x00
  14 #define GIC_CPU_PRIMASK                 0x04
  15 #define GIC_CPU_BINPOINT                0x08
  16 #define GIC_CPU_INTACK                  0x0c
  17 #define GIC_CPU_EOI                     0x10
  18 #define GIC_CPU_RUNNINGPRI              0x14
  19 #define GIC_CPU_HIGHPRI                 0x18
  20
  21 #define GIC_DIST_CTRL                   0x000
  22 #define GIC_DIST_CTR                    0x004
  23 #define GIC_DIST_ENABLE_SET             0x100
  24 #define GIC_DIST_ENABLE_CLEAR           0x180
  25 #define GIC_DIST_PENDING_SET            0x200
  26 #define GIC_DIST_PENDING_CLEAR          0x280
  27 #define GIC_DIST_ACTIVE_BIT             0x300
  28 #define GIC_DIST_PRI                    0x400
  29 #define GIC_DIST_TARGET                 0x800
  30 #define GIC_DIST_CONFIG                 0xc00
  31 #define GIC_DIST_SOFTINT                0xf00
  32
  33 struct device_node;
  34
  35 extern struct irq_chip gic_arch_extn;
  36
  37 void gic_init_bases(unsigned int, int, void __iomem *, void __iomem *,
  38                     u32 offset, struct device_node *);
  39 void gic_secondary_init(unsigned int);
  40 void gic_cascade_irq(unsigned int gic_nr, unsigned int irq);
  41
  42 static inline void gic_init(unsigned int nr, int start,
  43                             void __iomem *dist , void __iomem *cpu)
  44 {
  45         gic_init_bases(nr, start, dist, cpu, 0, NULL);
  46 }
  47
  48 #endif