diff options
Diffstat (limited to 'include/asm-arm/arch-at91/irqs.h')
-rw-r--r-- | include/asm-arm/arch-at91/irqs.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/include/asm-arm/arch-at91/irqs.h b/include/asm-arm/arch-at91/irqs.h new file mode 100644 index 00000000000..f041c98c533 --- /dev/null +++ b/include/asm-arm/arch-at91/irqs.h @@ -0,0 +1,44 @@ +/* + * 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/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 4 banks of GPIO. + */ +#define NR_IRQS (NR_AIC_IRQS + (4 * 32)) + +#endif |