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/*
* arch/arm/mach-at91/include/mach/irqs.h
*
* Copyright (C) 2004 SAN People
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ASM_ARCH_IRQS_H
#define __ASM_ARCH_IRQS_H
#include <asm/io.h>
#include <mach/at91_aic.h>
#define NR_AIC_IRQS 32
/*
* Acknowledge interrupt with AIC after interrupt has been handled.
* (by kernel/irq.c)
*/
#define irq_finish(irq) do { at91_sys_write(AT91_AIC_EOICR, 0); } while (0)
/*
* IRQ interrupt symbols are the AT91xxx_ID_* symbols
* for IRQs handled directly through the AIC, or else the AT91_PIN_*
* symbols in gpio.h for ones handled indirectly as GPIOs.
* We make provision for 5 banks of GPIO.
*/
#define NR_IRQS (NR_AIC_IRQS + (5 * 32))
/* FIQ is AIC source 0. */
#define FIQ_START AT91_ID_FIQ
#endif
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