blob: a309c2613ab06900aae06aae9ceb7b44bd224346 [file] [log] [blame]
Ingo van Lil3eb90ba2009-11-24 14:09:21 +01001/*
2 * (C) Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
25#include <watchdog.h>
26
27#ifndef CONFIG_WD_PERIOD
28# define CONFIG_WD_PERIOD (10 * 1000 * 1000) /* 10 seconds default*/
29#endif
30
31/* ------------------------------------------------------------------------- */
32
33void udelay(unsigned long usec)
34{
35 ulong kv;
36
37 do {
38 WATCHDOG_RESET();
39 kv = usec > CONFIG_WD_PERIOD ? CONFIG_WD_PERIOD : usec;
40 __udelay (kv);
41 usec -= kv;
42 } while(usec);
43}