mirror of
https://source.denx.de/u-boot/u-boot.git
synced 2025-11-04 02:11:25 +01:00
5c952cf024
- Add support for Altera Nios-II processors. - Add support for Psyent PCI-5441 board. - Add support for Psyent PK1C20 board.
40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/*
|
|
* (C) Copyright 2003, Psyent Corporation <www.psyent.com>
|
|
* Scott McNutt <smcnutt@psyent.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>
|
|
#include <watchdog.h>
|
|
|
|
|
|
extern void dly_clks( unsigned long ticks );
|
|
|
|
void udelay(unsigned long usec)
|
|
{
|
|
/* The Nios core doesn't have a timebase, so we do our
|
|
* best for now and call a low-level loop that counts
|
|
* cpu clocks.
|
|
*/
|
|
unsigned long cnt = (CONFIG_SYS_CLK_FREQ/1000000) * usec;
|
|
WATCHDOG_RESET (); /* trigger watchdog if needed */
|
|
dly_clks (cnt);
|
|
}
|