1/*
 2 * Copyright (C) 2002 ARM Limited, All Rights Reserved.
 3 *
 4 * This program is free software; you can redistribute it and/or modify
 5 * it under the terms of the GNU General Public License version 2 as
 6 * published by the Free Software Foundation.
 7 *
 8 * This program is distributed in the hope that it will be useful,
 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
15 */
16
17#ifndef _IRQ_GIC_COMMON_H
18#define _IRQ_GIC_COMMON_H
19
20#include <linux/of.h>
21#include <linux/irqdomain.h>
 
 
22
23struct gic_quirk {
24	const char *desc;
25	void (*init)(void *data);
 
 
26	u32 iidr;
27	u32 mask;
28};
29
30int gic_configure_irq(unsigned int irq, unsigned int type,
31                       void __iomem *base, void (*sync_access)(void));
32void gic_dist_config(void __iomem *base, int gic_irqs,
33		     void (*sync_access)(void));
34void gic_cpu_config(void __iomem *base, void (*sync_access)(void));
35void gic_enable_quirks(u32 iidr, const struct gic_quirk *quirks,
36		void *data);
 
 
 
 
 
 
 
 
37
38#endif /* _IRQ_GIC_COMMON_H */

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (C) 2002 ARM Limited, All Rights Reserved.
 
 
 
 
 
 
 
 
 
 
 
 
 4 */
 5
 6#ifndef _IRQ_GIC_COMMON_H
 7#define _IRQ_GIC_COMMON_H
 8
 9#include <linux/of.h>
10#include <linux/irqdomain.h>
11#include <linux/msi.h>
12#include <linux/irqchip/arm-gic-common.h>
13
14struct gic_quirk {
15	const char *desc;
16	const char *compatible;
17	const char *property;
18	bool (*init)(void *data);
19	u32 iidr;
20	u32 mask;
21};
22
23int gic_configure_irq(unsigned int irq, unsigned int type,
24                       void __iomem *base);
25void gic_dist_config(void __iomem *base, int gic_irqs, u8 priority);
26void gic_cpu_config(void __iomem *base, int nr, u8 priority);
 
27void gic_enable_quirks(u32 iidr, const struct gic_quirk *quirks,
28		void *data);
29void gic_enable_of_quirks(const struct device_node *np,
30			  const struct gic_quirk *quirks, void *data);
31
32extern const struct msi_parent_ops gic_v3_its_msi_parent_ops;
33
34#define RDIST_FLAGS_PROPBASE_NEEDS_FLUSHING    (1 << 0)
35#define RDIST_FLAGS_RD_TABLES_PREALLOCATED     (1 << 1)
36#define RDIST_FLAGS_FORCE_NON_SHAREABLE        (1 << 2)
37
38#endif /* _IRQ_GIC_COMMON_H */