368dd5acd1
Implement the Panasonic MN10300 AM34 CPU subarch and implement SMP support for MN10300. Also implement support for the MN2WS0060 processor and the ASB2364 evaluation board which are AM34 based. Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com> Signed-off-by: Kiyoshi Owada <owada.kiyoshi@jp.panasonic.com> Signed-off-by: David Howells <dhowells@redhat.com>
50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
/* MN10300 Hardware IRQ statistics and management
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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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*
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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_HARDIRQ_H
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#define _ASM_HARDIRQ_H
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#include <linux/threads.h>
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#include <linux/irq.h>
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#include <asm/exceptions.h>
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/* assembly code in softirq.h is sensitive to the offsets of these fields */
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typedef struct {
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unsigned int __softirq_pending;
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#ifdef CONFIG_MN10300_WD_TIMER
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unsigned int __nmi_count; /* arch dependent */
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unsigned int __irq_count; /* arch dependent */
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#endif
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} ____cacheline_aligned irq_cpustat_t;
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#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
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extern void ack_bad_irq(int irq);
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/*
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* manipulate stubs in the MN10300 CPU Trap/Interrupt Vector table
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* - these should jump to __common_exception in entry.S unless there's a good
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* reason to do otherwise (see trap_preinit() in traps.c)
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*/
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typedef void (*intr_stub_fnx)(struct pt_regs *regs,
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enum exception_code intcode);
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/*
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* manipulate pointers in the Exception table (see entry.S)
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* - these are indexed by decoding the lower 24 bits of the TBR register
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* - note that the MN103E010 doesn't always trap through the correct vector,
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* but does always set the TBR correctly
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*/
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extern asmlinkage void set_excp_vector(enum exception_code code,
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intr_stub_fnx handler);
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#endif /* _ASM_HARDIRQ_H */
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