mirror of
https://github.com/torvalds/linux.git
synced 2024-11-12 15:11:50 +00:00
6044cf1d94
Handle the IRQ multiplexer in the FPGA by implementing a cascade interrupt driver for it. Signed-off-by: David Howells <dhowells@redhat.com>
41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
/* MN10300 Hardware interrupt definitions
|
|
*
|
|
* Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
|
|
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
|
|
* Modified by David Howells (dhowells@redhat.com)
|
|
* - Derived from include/asm-i386/irq.h:
|
|
* - (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public Licence
|
|
* as published by the Free Software Foundation; either version
|
|
* 2 of the Licence, or (at your option) any later version.
|
|
*/
|
|
#ifndef _ASM_IRQ_H
|
|
#define _ASM_IRQ_H
|
|
|
|
#include <asm/intctl-regs.h>
|
|
#include <asm/reset-regs.h>
|
|
#include <proc/irq.h>
|
|
|
|
/* this number is used when no interrupt has been assigned */
|
|
#define NO_IRQ INT_MAX
|
|
|
|
/*
|
|
* hardware irq numbers
|
|
* - the ASB2364 has an FPGA with an IRQ multiplexer on it
|
|
*/
|
|
#ifdef CONFIG_MN10300_UNIT_ASB2364
|
|
#include <unit/irq.h>
|
|
#else
|
|
#define NR_CPU_IRQS GxICR_NUM_IRQS
|
|
#define NR_IRQS NR_CPU_IRQS
|
|
#endif
|
|
|
|
/* external hardware irq numbers */
|
|
#define NR_XIRQS GxICR_NUM_XIRQS
|
|
|
|
#define irq_canonicalize(IRQ) (IRQ)
|
|
|
|
#endif /* _ASM_IRQ_H */
|