text: /*
   * (C) Copyright 2001
   * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   *
   * 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
   */
  
  /*
   * Misc functions
   */
  #include <common.h>
  #include <command.h>
  
  int do_sleep (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  {
  	ulong start = get_timer(0);
  	ulong delay;
  
  	if (argc != 2)
  		return cmd_usage(cmdtp);
  
  	delay = simple_strtoul(argv[1], NULL, 10) * CONFIG_SYS_HZ;
  
  	while (get_timer(start) < delay) {
  		if (ctrlc ())
  			return (-1);
  
  		udelay (100);
  	}
  
  	return 0;
  }
  
  U_BOOT_CMD(
  	sleep ,    2,    1,     do_sleep,
  	"delay execution for some time",
  	"N\n"
  	"    - delay execution for N seconds (N is _decimal_ !!!)"
  );
  