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
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*
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* Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
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* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
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* Modified by David Howells (dhowells@redhat.com)
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* - Derived from include/asm-i386/irq.h:
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* - (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#ifndef _ASM_IRQ_H
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#define _ASM_IRQ_H
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#include <asm/intctl-regs.h>
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#include <asm/reset-regs.h>
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#include <proc/irq.h>
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/* this number is used when no interrupt has been assigned */
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#define NO_IRQ INT_MAX
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/*
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* hardware irq numbers
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* - the ASB2364 has an FPGA with an IRQ multiplexer on it
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*/
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#ifdef CONFIG_MN10300_UNIT_ASB2364
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#include <unit/irq.h>
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#else
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#define NR_CPU_IRQS GxICR_NUM_IRQS
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#define NR_IRQS NR_CPU_IRQS
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#endif
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/* external hardware irq numbers */
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#define NR_XIRQS GxICR_NUM_XIRQS
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#define irq_canonicalize(IRQ) (IRQ)
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#endif /* _ASM_IRQ_H */
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