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wdenk38635852002-08-27 05:55:31 +00001/*
2 * (C) Copyright 2001
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24/*
25 * Misc functions
26 */
27#include <common.h>
28#include <command.h>
29
30#if (CONFIG_COMMANDS & CFG_CMD_MISC)
31
32int do_sleep (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
33{
Stefan Roesec4c13df2005-10-20 16:36:44 +020034 ulong start = get_timer(0);
wdenk38635852002-08-27 05:55:31 +000035 ulong delay;
36
37 if (argc != 2) {
38 printf ("Usage:\n%s\n", cmdtp->usage);
39 return 1;
40 }
41
Stefan Roesec4c13df2005-10-20 16:36:44 +020042 delay = simple_strtoul(argv[1], NULL, 10) * CFG_HZ;
wdenk38635852002-08-27 05:55:31 +000043
Stefan Roesec4c13df2005-10-20 16:36:44 +020044 while (get_timer(start) < delay) {
45 if (ctrlc ()) {
46 return (-1);
wdenk38635852002-08-27 05:55:31 +000047 }
Stefan Roesec4c13df2005-10-20 16:36:44 +020048 udelay (100);
wdenk38635852002-08-27 05:55:31 +000049 }
Stefan Roesec4c13df2005-10-20 16:36:44 +020050
wdenk38635852002-08-27 05:55:31 +000051 return 0;
52}
Stefan Roesec4c13df2005-10-20 16:36:44 +020053
wdenk8bde7f72003-06-27 21:31:46 +000054/* Implemented in $(CPU)/interrupts.c */
55#if (CONFIG_COMMANDS & CFG_CMD_IRQ)
56int do_irqinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
57
wdenk0d498392003-07-01 21:06:45 +000058U_BOOT_CMD(
59 irqinfo, 1, 1, do_irqinfo,
wdenk8bde7f72003-06-27 21:31:46 +000060 "irqinfo - print information about IRQs\n",
61 NULL
62);
63#endif /* CONFIG_COMMANDS & CFG_CMD_IRQ */
64
wdenk0d498392003-07-01 21:06:45 +000065U_BOOT_CMD(
66 sleep , 2, 2, do_sleep,
wdenk8bde7f72003-06-27 21:31:46 +000067 "sleep - delay execution for some time\n",
68 "N\n"
69 " - delay execution for N seconds (N is _decimal_ !!!)\n"
70);
wdenk38635852002-08-27 05:55:31 +000071
72#endif /* CFG_CMD_MISC */