original development tree for Linux kernel GTP module; now long in mainline.
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/*
* include/linux/irqchip/arm-gic.h
*
* Copyright (C) 2002 ARM Limited, All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __LINUX_IRQCHIP_ARM_GIC_H
#define __LINUX_IRQCHIP_ARM_GIC_H
#define GIC_CPU_CTRL 0x00
#define GIC_CPU_PRIMASK 0x04
#define GIC_CPU_BINPOINT 0x08
#define GIC_CPU_INTACK 0x0c
#define GIC_CPU_EOI 0x10
#define GIC_CPU_RUNNINGPRI 0x14
#define GIC_CPU_HIGHPRI 0x18
#define GIC_DIST_CTRL 0x000
#define GIC_DIST_CTR 0x004
#define GIC_DIST_IGROUP 0x080
#define GIC_DIST_ENABLE_SET 0x100
#define GIC_DIST_ENABLE_CLEAR 0x180
#define GIC_DIST_PENDING_SET 0x200
#define GIC_DIST_PENDING_CLEAR 0x280
#define GIC_DIST_ACTIVE_SET 0x300
#define GIC_DIST_ACTIVE_CLEAR 0x380
#define GIC_DIST_PRI 0x400
#define GIC_DIST_TARGET 0x800
#define GIC_DIST_CONFIG 0xc00
#define GIC_DIST_SOFTINT 0xf00
#define GICH_HCR 0x0
#define GICH_VTR 0x4
#define GICH_VMCR 0x8
#define GICH_MISR 0x10
#define GICH_EISR0 0x20
#define GICH_EISR1 0x24
#define GICH_ELRSR0 0x30
#define GICH_ELRSR1 0x34
#define GICH_APR 0xf0
#define GICH_LR0 0x100
#define GICH_HCR_EN (1 << 0)
#define GICH_HCR_UIE (1 << 1)
#define GICH_LR_VIRTUALID (0x3ff << 0)
#define GICH_LR_PHYSID_CPUID_SHIFT (10)
#define GICH_LR_PHYSID_CPUID (7 << GICH_LR_PHYSID_CPUID_SHIFT)
#define GICH_LR_STATE (3 << 28)
#define GICH_LR_PENDING_BIT (1 << 28)
#define GICH_LR_ACTIVE_BIT (1 << 29)
#define GICH_LR_EOI (1 << 19)
#define GICH_MISR_EOI (1 << 0)
#define GICH_MISR_U (1 << 1)
#ifndef __ASSEMBLY__
struct device_node;
extern struct irq_chip gic_arch_extn;
void gic_init_bases(unsigned int, int, void __iomem *, void __iomem *,
u32 offset, struct device_node *);
void gic_cascade_irq(unsigned int gic_nr, unsigned int irq);
void gic_cpu_if_down(void);
static inline void gic_init(unsigned int nr, int start,
void __iomem *dist , void __iomem *cpu)
{
gic_init_bases(nr, start, dist, cpu, 0, NULL);
}
#endif /* __ASSEMBLY */
#endif