wdenk | 1249065 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 1 | /* |
Michal Simek | 922ce20 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 2 | * (C) Copyright 2007 Michal Simek |
wdenk | 1249065 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 3 | * (C) Copyright 2004 Atmark Techno, Inc. |
| 4 | * |
Michal Simek | 922ce20 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 5 | * Michal SIMEK <monstr@monstr.eu> |
wdenk | 1249065 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 6 | * 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 Simek | 922ce20 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 27 | #include <common.h> |
| 28 | |
Michal Simek | 08555dd | 2007-09-24 00:21:19 +0200 | [diff] [blame] | 29 | #ifdef CFG_TIMER_0 |
Michal Simek | 922ce20 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 30 | void udelay (unsigned long usec) |
wdenk | 1249065 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 31 | { |
Michal Simek | 922ce20 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 32 | int i; |
| 33 | i = get_timer (0); |
| 34 | while ((get_timer (0) - i) < (usec / 1000)) ; |
wdenk | 1249065 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 35 | } |
Michal Simek | 08555dd | 2007-09-24 00:21:19 +0200 | [diff] [blame] | 36 | #else |
| 37 | void udelay (unsigned long usec) |
| 38 | { |
| 39 | unsigned int i; |
| 40 | for (i = 0; i < (usec * CONFIG_XILINX_CLOCK_FREQ / 10000000); i++); |
| 41 | } |
| 42 | #endif |