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wdenk507bbe32004-04-18 21:13:41 +00001/*
Michal Simekcfc67112007-03-11 13:48:24 +01002 * (C) Copyright 2007 Michal Simek
wdenk507bbe32004-04-18 21:13:41 +00003 * (C) Copyright 2004 Atmark Techno, Inc.
4 *
Michal Simekcfc67112007-03-11 13:48:24 +01005 * Michal SIMEK <monstr@monstr.eu>
wdenk507bbe32004-04-18 21:13:41 +00006 * Yasushi SHOJI <yashi@atmark-techno.com>
7 *
8 * See file CREDITS for list of people who contributed to this
9 * project.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 * MA 02111-1307 USA
25 */
26
Michal Simekcfc67112007-03-11 13:48:24 +010027#include <common.h>
28
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020029#ifdef CONFIG_SYS_TIMER_0
Ingo van Lil3eb90ba2009-11-24 14:09:21 +010030void __udelay (unsigned long usec)
wdenk507bbe32004-04-18 21:13:41 +000031{
Michal Simekcfc67112007-03-11 13:48:24 +010032 int i;
33 i = get_timer (0);
34 while ((get_timer (0) - i) < (usec / 1000)) ;
wdenk507bbe32004-04-18 21:13:41 +000035}
Michal Simek1c1100d2007-09-24 00:21:19 +020036#else
Ingo van Lil3eb90ba2009-11-24 14:09:21 +010037void __udelay (unsigned long usec)
Michal Simek1c1100d2007-09-24 00:21:19 +020038{
39 unsigned int i;
40 for (i = 0; i < (usec * CONFIG_XILINX_CLOCK_FREQ / 10000000); i++);
41}
42#endif