| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 | |
| 16 | static const struct of_device_id smp_intc_dt_match[] = { |
| 17 | { .compatible = "brcm,bcm7038-l1-intc" }, |
| 18 | { .compatible = "brcm,bcm6345-l1-intc" }, |
| 19 | {} |
| 20 | }; |
| 21 | |
| 22 | unsigned int get_c0_compare_int(void) |
| 23 | { |
| 24 | return CP0_LEGACY_COMPARE_IRQ; |
| 25 | } |
| 26 | |
| 27 | void __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, smp_intc_dt_match); |
| 33 | if (dn) |
| 34 | of_node_put(dn); |
| 35 | else |
| 36 | bmips_tp1_irqs = 0; |
| 37 | |
| 38 | irqchip_init(); |
| 39 | } |
| 40 | |
| 41 | IRQCHIP_DECLARE(mips_cpu_intc, "mti,cpu-interrupt-controller", |
| 42 | mips_cpu_irq_of_init); |