1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 *
4 * Copyright (C) 2014 Broadcom Corporation
5 * Author: Kevin Cernekee <cernekee@gmail.com>
6 */
7
8#include <linux/of.h>
9#include <linux/irqchip.h>
10
11#include <asm/bmips.h>
12#include <asm/irq.h>
13#include <asm/irq_cpu.h>
14#include <asm/time.h>
15
16static const struct of_device_id smp_intc_dt_match[] = {
17 { .compatible = "brcm,bcm7038-l1-intc" },
18 { .compatible = "brcm,bcm6345-l1-intc" },
19 {}
20};
21
22unsigned int get_c0_compare_int(void)
23{
24 return CP0_LEGACY_COMPARE_IRQ;
25}
26
27void __init arch_init_irq(void)
28{
29 struct device_node *dn;
30
31 /* Only these controllers support SMP IRQ affinity */
32 dn = of_find_matching_node(NULL, matches: smp_intc_dt_match);
33 if (dn)
34 of_node_put(node: dn);
35 else
36 bmips_tp1_irqs = 0;
37
38 irqchip_init();
39}
40
41IRQCHIP_DECLARE(mips_cpu_intc, "mti,cpu-interrupt-controller",
42 mips_cpu_irq_of_init);
43

source code of linux/arch/mips/bmips/irq.c