142 lines
4.2 KiB
C
142 lines
4.2 KiB
C
/*
|
|
* 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_CPU_ALIAS_BINPOINT 0x1c
|
|
#define GIC_CPU_ACTIVEPRIO 0xd0
|
|
#define GIC_CPU_IDENT 0xfc
|
|
#define GIC_CPU_DEACTIVATE 0x1000
|
|
|
|
#define GICC_ENABLE 0x1
|
|
#define GICC_INT_PRI_THRESHOLD 0xf0
|
|
|
|
#define GIC_CPU_CTRL_EOImodeNS (1 << 9)
|
|
|
|
#define GICC_IAR_INT_ID_MASK 0x3ff
|
|
#define GICC_INT_SPURIOUS 1023
|
|
#define GICC_DIS_BYPASS_MASK 0x1e0
|
|
|
|
#define GIC_DIST_CTRL 0x000
|
|
#define GIC_DIST_CTR 0x004
|
|
#define GIC_DIST_IIDR 0x008
|
|
#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 GIC_DIST_SGI_PENDING_CLEAR 0xf10
|
|
#define GIC_DIST_SGI_PENDING_SET 0xf20
|
|
|
|
#define GICD_ENABLE 0x1
|
|
#define GICD_DISABLE 0x0
|
|
#define GICD_INT_ACTLOW_LVLTRIG 0x0
|
|
#define GICD_INT_EN_CLR_X32 0xffffffff
|
|
#define GICD_INT_EN_SET_SGI 0x0000ffff
|
|
#define GICD_INT_EN_CLR_PPI 0xffff0000
|
|
#define GICD_INT_DEF_PRI 0xa0
|
|
#define GICD_INT_DEF_PRI_X4 ((GICD_INT_DEF_PRI << 24) |\
|
|
(GICD_INT_DEF_PRI << 16) |\
|
|
(GICD_INT_DEF_PRI << 8) |\
|
|
GICD_INT_DEF_PRI)
|
|
|
|
#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 (0x3ff << GICH_LR_PHYSID_CPUID_SHIFT)
|
|
#define GICH_LR_PRIORITY_SHIFT 23
|
|
#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_LR_HW (1 << 31)
|
|
|
|
#define GICH_VMCR_CTRL_SHIFT 0
|
|
#define GICH_VMCR_CTRL_MASK (0x21f << GICH_VMCR_CTRL_SHIFT)
|
|
#define GICH_VMCR_PRIMASK_SHIFT 27
|
|
#define GICH_VMCR_PRIMASK_MASK (0x1f << GICH_VMCR_PRIMASK_SHIFT)
|
|
#define GICH_VMCR_BINPOINT_SHIFT 21
|
|
#define GICH_VMCR_BINPOINT_MASK (0x7 << GICH_VMCR_BINPOINT_SHIFT)
|
|
#define GICH_VMCR_ALIAS_BINPOINT_SHIFT 18
|
|
#define GICH_VMCR_ALIAS_BINPOINT_MASK (0x7 << GICH_VMCR_ALIAS_BINPOINT_SHIFT)
|
|
|
|
#define GICH_MISR_EOI (1 << 0)
|
|
#define GICH_MISR_U (1 << 1)
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
#include <linux/irqdomain.h>
|
|
|
|
struct device_node;
|
|
struct gic_chip_data;
|
|
|
|
void gic_cascade_irq(unsigned int gic_nr, unsigned int irq);
|
|
int gic_cpu_if_down(unsigned int gic_nr);
|
|
void gic_cpu_save(struct gic_chip_data *gic);
|
|
void gic_cpu_restore(struct gic_chip_data *gic);
|
|
void gic_dist_save(struct gic_chip_data *gic);
|
|
void gic_dist_restore(struct gic_chip_data *gic);
|
|
|
|
/*
|
|
* Subdrivers that need some preparatory work can initialize their
|
|
* chips and call this to register their GICs.
|
|
*/
|
|
int gic_of_init(struct device_node *node, struct device_node *parent);
|
|
|
|
/*
|
|
* Initialises and registers a non-root or child GIC chip. Memory for
|
|
* the gic_chip_data structure is dynamically allocated.
|
|
*/
|
|
int gic_of_init_child(struct device *dev, struct gic_chip_data **gic, int irq);
|
|
|
|
/*
|
|
* Legacy platforms not converted to DT yet must use this to init
|
|
* their GIC
|
|
*/
|
|
void gic_init(unsigned int nr, int start,
|
|
void __iomem *dist , void __iomem *cpu);
|
|
|
|
int gicv2m_init(struct fwnode_handle *parent_handle,
|
|
struct irq_domain *parent);
|
|
|
|
void gic_send_sgi(unsigned int cpu_id, unsigned int irq);
|
|
int gic_get_cpu_id(unsigned int cpu);
|
|
void gic_migrate_target(unsigned int new_cpu_id);
|
|
unsigned long gic_get_sgir_physaddr(void);
|
|
|
|
#endif /* __ASSEMBLY */
|
|
#endif
|