/* * (C) Copyright 2007 Michal Simek * (C) Copyright 2004 Atmark Techno, Inc. * * Michal SIMEK <monstr@monstr.eu> * Yasushi SHOJI <yashi@atmark-techno.com> * * 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> #ifdef CONFIG_SYS_TIMER_0 void udelay (unsigned long usec) { int i; i = get_timer (0); while ((get_timer (0) - i) < (usec / 1000)) ; } #else void udelay (unsigned long usec) { unsigned int i; for (i = 0; i < (usec * CONFIG_XILINX_CLOCK_FREQ / 10000000); i++); } #endif