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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/mips/include/asm/irq.h |
Initial import
Diffstat (limited to 'arch/mips/include/asm/irq.h')
-rw-r--r-- | arch/mips/include/asm/irq.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h new file mode 100644 index 000000000..f0db99f8d --- /dev/null +++ b/arch/mips/include/asm/irq.h @@ -0,0 +1,57 @@ +/* + * 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) 1994 by Waldorf GMBH, written by Ralf Baechle + * Copyright (C) 1995, 96, 97, 98, 99, 2000, 01, 02, 03 by Ralf Baechle + */ +#ifndef _ASM_IRQ_H +#define _ASM_IRQ_H + +#include <linux/linkage.h> +#include <linux/smp.h> +#include <linux/irqdomain.h> + +#include <asm/mipsmtregs.h> + +#include <irq.h> + +#ifdef CONFIG_I8259 +static inline int irq_canonicalize(int irq) +{ + return ((irq == I8259A_IRQ_BASE + 2) ? I8259A_IRQ_BASE + 9 : irq); +} +#else +#define irq_canonicalize(irq) (irq) /* Sane hardware, sane code ... */ +#endif + +asmlinkage void plat_irq_dispatch(void); + +extern void do_IRQ(unsigned int irq); + +extern void arch_init_irq(void); +extern void spurious_interrupt(void); + +extern int allocate_irqno(void); +extern void alloc_legacy_irqno(void); +extern void free_irqno(unsigned int irq); + +/* + * Before R2 the timer and performance counter interrupts were both fixed to + * IE7. Since R2 their number has to be read from the c0_intctl register. + */ +#define CP0_LEGACY_COMPARE_IRQ 7 +#define CP0_LEGACY_PERFCNT_IRQ 7 + +extern int cp0_compare_irq; +extern int cp0_compare_irq_shift; +extern int cp0_perfcount_irq; +extern int cp0_fdc_irq; + +extern int __weak get_c0_fdc_int(void); + +void arch_trigger_all_cpu_backtrace(bool); +#define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace + +#endif /* _ASM_IRQ_H */ |