7b1bc03e80
For ARM at91, the FIQ_START #define is required if you use a driver that enables FIQ support. Signed-off-by: Karl Olsen <karl@micro-technic.com> Acked-by: Andrew Victor <andrew at sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
/*
|
|
* include/asm-arm/arch-at91/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 <asm/arch/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
|