kernel_optimize_test/include/asm-arm/arch-at91/irqs.h
Karl Olsen 7b1bc03e80 [ARM] 4553/1: ARM at91: define FIQ_START
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>
2007-08-23 12:34:42 +01:00

49 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