40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
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/*
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* (C) Copyright 2003, Psyent Corporation <www.psyent.com>
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* Scott McNutt <smcnutt@psyent.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <watchdog.h>
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extern void dly_clks( unsigned long ticks );
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void udelay(unsigned long usec)
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{
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/* The Nios core doesn't have a timebase, so we do our
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* best for now and call a low-level loop that counts
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* cpu clocks.
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*/
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unsigned long cnt = (CONFIG_SYS_CLK_FREQ/1000000) * usec;
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WATCHDOG_RESET (); /* trigger watchdog if needed */
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dly_clks (cnt);
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}
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