arch/riscv/include/asm/irq.h

   1 /*
   2  * Copyright (C) 2012 Regents of the University of California
   3  * Copyright (C) 2017 SiFive
   4  *
   5  *   This program is free software; you can redistribute it and/or
   6  *   modify it under the terms of the GNU General Public License
   7  *   as published by the Free Software Foundation, version 2.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  */
  14
  15 #ifndef _ASM_RISCV_IRQ_H
  16 #define _ASM_RISCV_IRQ_H
  17
  18 #define NR_IRQS         0
  19
  20 #define INTERRUPT_CAUSE_SOFTWARE    1
  21 #define INTERRUPT_CAUSE_TIMER       5
  22 #define INTERRUPT_CAUSE_EXTERNAL    9
  23
  24 void riscv_timer_interrupt(void);
  25
  26 #include <asm-generic/irq.h>
  27
  28 #endif /* _ASM_RISCV_IRQ_H */