| /* |
| * 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 <linux/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 |
