xref: /linux/arch/riscv/include/asm/delay.h (revision be709d48329a500621d2a05835283150ae137b45)
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 */
29