/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved. * Copyright (C) 2006 FON Technology, SL. * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org> * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> */ /* * Interrupt support for AR531X WiSOC. */ #include <linux/autoconf.h> #include <linux/init.h> #include <linux/kernel_stat.h> #include <linux/signal.h> #include <linux/sched.h> #include <linux/interrupt.h> #include <linux/slab.h> #include <linux/random.h> #include <linux/pm.h> #include <linux/delay.h> #include <linux/reboot.h> #include <linux/irq.h> #include <asm/bootinfo.h> #include <asm/mipsregs.h> #include <asm/irq_cpu.h> #include "ar531x.h" /* ARGSUSED */ irqreturn_t spurious_irq_handler(int cpl, void *dev_id) { /* printk("spurious_irq_handler: %d cause=0x%8.8x status=0x%8.8x\n", cpl, cause_intrs, status_intrs); */ return IRQ_NONE; } /* ARGSUSED */ irqreturn_t spurious_misc_handler(int cpl, void *dev_id) { /* printk("spurious_misc_handler: 0x%x isr=0x%8.8x imr=0x%8.8x\n", cpl, ar531x_isr, ar531x_imr); */ return IRQ_NONE; } static struct irqaction spurious_irq = { .handler = spurious_irq_handler, .flags = SA_INTERRUPT, .name = "spurious_irq", }; static struct irqaction spurious_misc = { .handler = spurious_misc_handler, .flags = SA_INTERRUPT, .name = "spurious_misc", }; asmlinkage void plat_irq_dispatch(void) { DO_AR5312(ar5312_irq_dispatch();) DO_AR5315(ar5315_irq_dispatch();) } void __init arch_init_irq(void) { clear_c0_status(ST0_IM); mips_cpu_irq_init(); /* Initialize interrupt controllers */ DO_AR5312(ar5312_misc_intr_init(AR531X_MISC_IRQ_BASE);) DO_AR5315(ar5315_misc_intr_init(AR531X_MISC_IRQ_BASE);) /* Default "spurious interrupt" handlers */ setup_irq(AR531X_IRQ_NONE, &spurious_irq); setup_irq(AR531X_MISC_IRQ_NONE, &spurious_misc); }