rt-thread/components/drivers/pic/pic-gic-common.h

54 lines
1.5 KiB
C

/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-01-30 GuEe-GUI first version
*/
#ifndef __IRQ_GIC_COMMON_H__
#define __IRQ_GIC_COMMON_H__
#include <rtdef.h>
#include <drivers/ofw.h>
#define GIC_SGI_NR 16
#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 \
)
struct gic_quirk
{
const char *desc;
const char *compatible;
rt_err_t (*init)(void *data);
rt_uint32_t iidr;
rt_uint32_t iidr_mask;
};
void gic_common_init_quirk_ofw(const struct rt_ofw_node *ic_np, const struct gic_quirk *quirks, void *data);
void gic_common_init_quirk_hw(rt_uint32_t iidr, const struct gic_quirk *quirks, void *data);
void gic_common_sgi_config(void *base, void *data, int irq_base);
rt_err_t gic_common_configure_irq(void *base, int irq, rt_uint32_t mode, void (*sync_access)(void *), void *data);
void gic_common_dist_config(void *base, int max_irqs, void (*sync_access)(void *), void *data);
void gic_common_cpu_config(void *base, int nr, void (*sync_access)(void *), void *data);
#ifdef RT_PIC_ARM_GIC_V2M
rt_err_t gicv2m_ofw_probe(struct rt_ofw_node *ic_np, const struct rt_ofw_node_id *id);
#endif
#ifdef RT_PIC_ARM_GIC_V3_ITS
rt_err_t gicv3_its_ofw_probe(struct rt_ofw_node *ic_np, const struct rt_ofw_node_id *id);
#endif
#endif /* __IRQ_GIC_COMMON_H__ */