| Server IP : 61.19.30.66 / Your IP : 216.73.216.101 Web Server : Apache/2.2.22 (Ubuntu) System : Linux klw 3.11.0-15-generic #25~precise1-Ubuntu SMP Thu Jan 30 17:39:31 UTC 2014 x86_64 User : www-data ( 33) PHP Version : 5.3.10-1ubuntu3.48 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, MySQL : ON | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /usr/src/linux-headers-3.11.0-15/arch/blackfin/include/asm/ |
Upload File : |
/*
* delay.h - delay functions
*
* Copyright (c) 2004-2007 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __ASM_DELAY_H__
#define __ASM_DELAY_H__
#include <mach/anomaly.h>
static inline void __delay(unsigned long loops)
{
__asm__ __volatile__ (
"LSETUP(1f, 1f) LC0 = %0;"
"1: NOP;"
:
: "a" (loops)
: "LT0", "LB0", "LC0"
);
}
#include <linux/param.h> /* needed for HZ */
/*
* close approximation borrowed from m68knommu to avoid 64-bit math
*/
#define HZSCALE (268435456 / (1000000/HZ))
static inline unsigned long __to_delay(unsigned long scale)
{
extern unsigned long loops_per_jiffy;
return (((scale * HZSCALE) >> 11) * (loops_per_jiffy >> 11)) >> 6;
}
static inline void udelay(unsigned long usecs)
{
__delay(__to_delay(usecs));
}
static inline void ndelay(unsigned long nsecs)
{
__delay(__to_delay(1) * nsecs / 1000);
}
#define ndelay ndelay
#endif