diff options
Diffstat (limited to 'arch/mips/bmips/irq.c')
-rw-r--r-- | arch/mips/bmips/irq.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/mips/bmips/irq.c b/arch/mips/bmips/irq.c new file mode 100644 index 0000000000..c4daa590b9 --- /dev/null +++ b/arch/mips/bmips/irq.c @@ -0,0 +1,42 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * + * Copyright (C) 2014 Broadcom Corporation + * Author: Kevin Cernekee <cernekee@gmail.com> + */ + +#include <linux/of.h> +#include <linux/irqchip.h> + +#include <asm/bmips.h> +#include <asm/irq.h> +#include <asm/irq_cpu.h> +#include <asm/time.h> + +static const struct of_device_id smp_intc_dt_match[] = { + { .compatible = "brcm,bcm7038-l1-intc" }, + { .compatible = "brcm,bcm6345-l1-intc" }, + {} +}; + +unsigned int get_c0_compare_int(void) +{ + return CP0_LEGACY_COMPARE_IRQ; +} + +void __init arch_init_irq(void) +{ + struct device_node *dn; + + /* Only these controllers support SMP IRQ affinity */ + dn = of_find_matching_node(NULL, smp_intc_dt_match); + if (dn) + of_node_put(dn); + else + bmips_tp1_irqs = 0; + + irqchip_init(); +} + +IRQCHIP_DECLARE(mips_cpu_intc, "mti,cpu-interrupt-controller", + mips_cpu_irq_of_init); |