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Russell Kingf27ecac2005-08-18 21:31:00 +01001/*
Russell King4baa9922008-08-02 10:55:55 +01002 * arch/arm/include/asm/hardware/gic.h
Russell Kingf27ecac2005-08-18 21:31:00 +01003 *
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__
Russell Kingff2e27a2010-12-04 16:13:29 +000036extern void __iomem *gic_cpu_base_addr;
Santosh Shilimkard7ed36a2011-03-02 08:03:22 +010037extern struct irq_chip gic_arch_extn;
Russell Kingff2e27a2010-12-04 16:13:29 +000038
Russell Kingb580b892010-12-04 15:55:14 +000039void gic_init(unsigned int, unsigned int, void __iomem *, void __iomem *);
Russell King38489532010-12-04 16:01:03 +000040void gic_secondary_init(unsigned int);
Catalin Marinasb3a1bde2007-02-14 19:14:56 +010041void gic_cascade_irq(unsigned int gic_nr, unsigned int irq);
Russell King82668102009-05-17 16:20:18 +010042void gic_raise_softirq(const struct cpumask *mask, unsigned int irq);
Russell Kingac61d142010-12-06 10:38:14 +000043void gic_enable_ppi(unsigned int);
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -070044bool gic_is_spi_pending(unsigned int irq);
45void gic_clear_spi_pending(unsigned int irq);
Changhwan Youn2252d0f2011-07-16 10:49:47 +090046
47struct gic_chip_data {
48 unsigned int irq_offset;
49 void __iomem *dist_base;
50 void __iomem *cpu_base;
51 unsigned int max_irq;
52#ifdef CONFIG_PM
53 unsigned int wakeup_irqs[32];
54 unsigned int enabled_irqs[32];
55#endif
Colin Cross692c3e252011-02-10 12:54:10 -080056#ifdef CONFIG_CPU_PM
57 u32 saved_spi_enable[DIV_ROUND_UP(1020, 32)];
58 u32 saved_spi_conf[DIV_ROUND_UP(1020, 16)];
59 u32 saved_spi_target[DIV_ROUND_UP(1020, 4)];
60 u32 __percpu *saved_ppi_enable;
61 u32 __percpu *saved_ppi_conf;
62#endif
63 unsigned int gic_irqs;
Changhwan Youn2252d0f2011-07-16 10:49:47 +090064};
Russell Kingf27ecac2005-08-18 21:31:00 +010065#endif
66
67#endif