]>
Commit | Line | Data |
---|---|---|
3eb90bad IL |
1 | /* |
2 | * (C) Copyright 2000-2009 | |
3 | * Wolfgang Denk, DENX Software Engineering, [email protected]. | |
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 | ||
33 | void 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 | } |