| SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 1 | /* |
| Andrew Victor | 9d04126 | 2007-02-05 11:42:07 +0100 | [diff] [blame] | 2 | * include/asm-arm/arch-at91/irqs.h |
| SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) 2004 SAN People |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | #ifndef __ASM_ARCH_IRQS_H |
| 22 | #define __ASM_ARCH_IRQS_H |
| 23 | |
| Andrew Victor | 030f481 | 2007-05-11 13:21:27 +0100 | [diff] [blame] | 24 | #include <asm/io.h> |
| Andrew Victor | 55d8bae | 2006-11-30 17:16:43 +0100 | [diff] [blame] | 25 | #include <asm/arch/at91_aic.h> |
| 26 | |
| SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 27 | #define NR_AIC_IRQS 32 |
| 28 | |
| 29 | |
| 30 | /* |
| 31 | * Acknowledge interrupt with AIC after interrupt has been handled. |
| 32 | * (by kernel/irq.c) |
| 33 | */ |
| 34 | #define irq_finish(irq) do { at91_sys_write(AT91_AIC_EOICR, 0); } while (0) |
| 35 | |
| 36 | |
| 37 | /* |
| Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 38 | * IRQ interrupt symbols are the AT91xxx_ID_* symbols |
| SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 39 | * for IRQs handled directly through the AIC, or else the AT91_PIN_* |
| 40 | * symbols in gpio.h for ones handled indirectly as GPIOs. |
| Andrew Victor | d0760b3 | 2007-02-08 09:00:39 +0100 | [diff] [blame] | 41 | * We make provision for 5 banks of GPIO. |
| SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 42 | */ |
| Andrew Victor | d0760b3 | 2007-02-08 09:00:39 +0100 | [diff] [blame] | 43 | #define NR_IRQS (NR_AIC_IRQS + (5 * 32)) |
| SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 44 | |
| Karl Olsen | 7b1bc03 | 2007-08-20 22:35:04 +0100 | [diff] [blame] | 45 | /* FIQ is AIC source 0. */ |
| 46 | #define FIQ_START AT91_ID_FIQ |
| 47 | |
| SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 48 | #endif |