[people/ms/u-boot.git] / arch / nios2 / lib / time.c

/*
 * (C) Copyright 2003, Psyent Corporation <www.psyent.com>
 * Scott McNutt <smcnutt@psyent.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <watchdog.h>


extern void dly_clks( unsigned long ticks );

void __udelay(unsigned long usec)
{
	/* The Nios core doesn't have a timebase, so we do our
	 * best for now and call a low-level loop that counts
	 * cpu clocks.
	 */
	unsigned long cnt = (CONFIG_SYS_CLK_FREQ/1000000) * usec;
	dly_clks (cnt);
}
Commit	Line	Data
4a551709 WD	1	/*
	2	* (C) Copyright 2003, Psyent Corporation <www.psyent.com>
	3	* Scott McNutt <smcnutt@psyent.com>
	4	*
1a459660	5	* SPDX-License-Identifier: GPL-2.0+
4a551709 WD	6	*/
	7
	8	#include <common.h>
028ab6b5	9	#include <watchdog.h>
4a551709 WD	10
	11
	12	extern void dly_clks( unsigned long ticks );
	13
3eb90bad	14	void __udelay(unsigned long usec)
4a551709 WD	15	{
	16	/* The Nios core doesn't have a timebase, so we do our
	17	* best for now and call a low-level loop that counts
	18	* cpu clocks.
	19	*/
	20	unsigned long cnt = (CONFIG_SYS_CLK_FREQ/1000000) * usec;
	21	dly_clks (cnt);
	22	}