blob: a175132e44960a752f2aaf29953fb11b556e3499 [file] [log] [blame]
* Copyright (C) 2006 Atmark Techno, Inc.
* 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.
* Linux IRQ# is currently offset by one to map to the hardware
* irq number. So hardware IRQ0 maps to Linux irq 1.
#define NO_IRQ_OFFSET 1
#define NR_IRQS (32 + IRQ_OFFSET)
#include <asm-generic/irq.h>
/* This type is the placeholder for a hardware interrupt number. It has to
* be big enough to enclose whatever representation is used by a given
* platform.
typedef unsigned long irq_hw_number_t;
extern unsigned int nr_irq;
struct pt_regs;
extern void do_IRQ(struct pt_regs *regs);
/** FIXME - not implement
* irq_dispose_mapping - Unmap an interrupt
* @virq: linux virq number of the interrupt to unmap
static inline void irq_dispose_mapping(unsigned int virq)
struct irq_host;
* irq_create_mapping - Map a hardware interrupt into linux virq space
* @host: host owning this hardware interrupt or NULL for default host
* @hwirq: hardware irq number in that host space
* Only one mapping per hardware interrupt is permitted. Returns a linux
* virq number.
* If the sense/trigger is to be specified, set_irq_type() should be called
* on the number returned from that call.
extern unsigned int irq_create_mapping(struct irq_host *host,
irq_hw_number_t hwirq);
#endif /* _ASM_MICROBLAZE_IRQ_H */