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d666cd02 KC |
1 | /* |
2 | * This program is free software; you can redistribute it and/or modify it | |
3 | * under the terms of the GNU General Public License version 2 as published | |
4 | * by the Free Software Foundation. | |
5 | * | |
e5a6fcc0 KC |
6 | * Copyright (C) 2014 Broadcom Corporation |
7 | * Author: Kevin Cernekee <cernekee@gmail.com> | |
d666cd02 KC |
8 | */ |
9 | ||
e5a6fcc0 KC |
10 | #include <linux/of.h> |
11 | #include <linux/irqchip.h> | |
d666cd02 KC |
12 | |
13 | #include <asm/bmips.h> | |
e5a6fcc0 | 14 | #include <asm/irq.h> |
d666cd02 | 15 | #include <asm/irq_cpu.h> |
e5a6fcc0 | 16 | #include <asm/time.h> |
d666cd02 | 17 | |
c7c42ec2 SA |
18 | static const struct of_device_id smp_intc_dt_match[] = { |
19 | { .compatible = "brcm,bcm7038-l1-intc" }, | |
20 | { .compatible = "brcm,bcm6345-l1-intc" }, | |
21 | {} | |
22 | }; | |
23 | ||
d666cd02 KC |
24 | unsigned int get_c0_compare_int(void) |
25 | { | |
26 | return CP0_LEGACY_COMPARE_IRQ; | |
27 | } | |
28 | ||
e5a6fcc0 | 29 | void __init arch_init_irq(void) |
d666cd02 | 30 | { |
e5a6fcc0 | 31 | struct device_node *dn; |
d666cd02 | 32 | |
c7c42ec2 SA |
33 | /* Only these controllers support SMP IRQ affinity */ |
34 | dn = of_find_matching_node(NULL, smp_intc_dt_match); | |
e5a6fcc0 KC |
35 | if (dn) |
36 | of_node_put(dn); | |
37 | else | |
38 | bmips_tp1_irqs = 0; | |
d666cd02 | 39 | |
e5a6fcc0 | 40 | irqchip_init(); |
d666cd02 KC |
41 | } |
42 | ||
0a271c2a | 43 | IRQCHIP_DECLARE(mips_cpu_intc, "mti,cpu-interrupt-controller", |
e5a6fcc0 | 44 | mips_cpu_irq_of_init); |