irqs.h 1.3 KB

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  1. /*
  2. * include/asm-arm/arch-at91/irqs.h
  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. #ifndef __ASM_ARCH_IRQS_H
  21. #define __ASM_ARCH_IRQS_H
  22. #include <asm/arch/at91_aic.h>
  23. #define NR_AIC_IRQS 32
  24. /*
  25. * Acknowledge interrupt with AIC after interrupt has been handled.
  26. * (by kernel/irq.c)
  27. */
  28. #define irq_finish(irq) do { at91_sys_write(AT91_AIC_EOICR, 0); } while (0)
  29. /*
  30. * IRQ interrupt symbols are the AT91xxx_ID_* symbols
  31. * for IRQs handled directly through the AIC, or else the AT91_PIN_*
  32. * symbols in gpio.h for ones handled indirectly as GPIOs.
  33. * We make provision for 5 banks of GPIO.
  34. */
  35. #define NR_IRQS (NR_AIC_IRQS + (5 * 32))
  36. #endif