/* * (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> #if (CONFIG_COMMANDS & CFG_CMD_MISC) int do_sleep (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { ulong start = get_timer(0); ulong delay; if (argc != 2) { printf ("Usage:\n%s\n", cmdtp->usage); return 1; } delay = simple_strtoul(argv[1], NULL, 10) * CFG_HZ; while (get_timer(start) < delay) { if (ctrlc ()) { return (-1); } udelay (100); } return 0; } /* Implemented in $(CPU)/interrupts.c */ #if (CONFIG_COMMANDS & CFG_CMD_IRQ) int do_irqinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); U_BOOT_CMD( irqinfo, 1, 1, do_irqinfo, "irqinfo - print information about IRQs\n", NULL ); #endif /* CONFIG_COMMANDS & CFG_CMD_IRQ */ U_BOOT_CMD( sleep , 2, 2, do_sleep, "sleep - delay execution for some time\n", "N\n" " - delay execution for N seconds (N is _decimal_ !!!)\n" ); #endif /* CFG_CMD_MISC */