arch/riscv/include/asm/delay.h

   1 /*
   2  * Copyright (C) 2009 Chen Liqin <liqin.chen@sunplusct.com>
   3  * Copyright (C) 2016 Regents of the University of California
   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_DELAY_H
  16 #define _ASM_RISCV_DELAY_H
  17
  18 extern unsigned long riscv_timebase;
  19
  20 #define udelay udelay
  21 extern void udelay(unsigned long usecs);
  22
  23 #define ndelay ndelay
  24 extern void ndelay(unsigned long nsecs);
  25
  26 extern void __delay(unsigned long cycles);
  27
  28 #endif /* _ASM_RISCV_DELAY_H */