1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2009 Chen Liqin <liqin.chen@sunplusct.com> 4*4882a593Smuzhiyun * Copyright (C) 2016 Regents of the University of California 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #ifndef _ASM_RISCV_DELAY_H 8*4882a593Smuzhiyun #define _ASM_RISCV_DELAY_H 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun extern unsigned long riscv_timebase; 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #define udelay udelay 13*4882a593Smuzhiyun extern void udelay(unsigned long usecs); 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #define ndelay ndelay 16*4882a593Smuzhiyun extern void ndelay(unsigned long nsecs); 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun extern void __delay(unsigned long cycles); 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #endif /* _ASM_RISCV_DELAY_H */ 21