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/*
* (C) Copyright 2000-2009
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <watchdog.h>
#ifndef CONFIG_WD_PERIOD
# define CONFIG_WD_PERIOD (10 * 1000 * 1000) /* 10 seconds default*/
#endif
/* ------------------------------------------------------------------------- */
void udelay(unsigned long usec)
{
ulong kv;
do {
WATCHDOG_RESET();
kv = usec > CONFIG_WD_PERIOD ? CONFIG_WD_PERIOD : usec;
__udelay (kv);
usec -= kv;
} while(usec);
}
void mdelay(unsigned long msec)
{
while (msec--)
udelay(1000);
}
ulong __timer_get_boot_us(void)
{
static ulong base_time;
/*
* We can't implement this properly. Return 0 on the first call and
* larger values after that.
*/
if (base_time)
return get_timer(base_time) * 1000;
base_time = get_timer(0);
return 0;
}
ulong timer_get_boot_us(void)
__attribute__((weak, alias("__timer_get_boot_us")));