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wdenkfe8c2802002-11-03 00:38:21 +00001/*
wdenk8bde7f72003-06-27 21:31:46 +00002 * (C) Copyright 2000-2003
wdenkfe8c2802002-11-03 00:38:21 +00003 * 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/*
wdenk8bde7f72003-06-27 21:31:46 +000025 * Misc boot support
wdenkfe8c2802002-11-03 00:38:21 +000026 */
27#include <common.h>
28#include <command.h>
wdenkfe8c2802002-11-03 00:38:21 +000029#include <net.h>
wdenkfe8c2802002-11-03 00:38:21 +000030
Mike Frysingera641b972010-12-26 23:32:22 -050031#ifdef CONFIG_CMD_GO
32
Mike Frysingera4986452008-04-13 19:42:19 -040033/* Allow ports to override the default behavior */
34__attribute__((weak))
Kim Phillips088f1b12012-10-29 13:34:31 +000035unsigned long do_go_exec(ulong (*entry)(int, char * const []), int argc,
36 char * const argv[])
Mike Frysinger1f1d88d2008-01-29 18:21:05 -050037{
Mike Frysingera4986452008-04-13 19:42:19 -040038 return entry (argc, argv);
Mike Frysinger1f1d88d2008-01-29 18:21:05 -050039}
40
Kim Phillips088f1b12012-10-29 13:34:31 +000041static int do_go(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
wdenkfe8c2802002-11-03 00:38:21 +000042{
43 ulong addr, rc;
44 int rcode = 0;
45
Wolfgang Denk47e26b12010-07-17 01:06:04 +020046 if (argc < 2)
Simon Glass4c12eeb2011-12-10 08:44:01 +000047 return CMD_RET_USAGE;
wdenkfe8c2802002-11-03 00:38:21 +000048
49 addr = simple_strtoul(argv[1], NULL, 16);
50
wdenkdc7c9a12003-03-26 06:55:25 +000051 printf ("## Starting application at 0x%08lX ...\n", addr);
wdenkfe8c2802002-11-03 00:38:21 +000052
53 /*
54 * pass address parameter as argv[0] (aka command name),
55 * and all remaining args
56 */
Mike Frysingera4986452008-04-13 19:42:19 -040057 rc = do_go_exec ((void *)addr, argc - 1, argv + 1);
wdenkfe8c2802002-11-03 00:38:21 +000058 if (rc != 0) rcode = 1;
59
wdenkdc7c9a12003-03-26 06:55:25 +000060 printf ("## Application terminated, rc = 0x%lX\n", rc);
wdenkfe8c2802002-11-03 00:38:21 +000061 return rcode;
62}
63
wdenk8bde7f72003-06-27 21:31:46 +000064/* -------------------------------------------------------------------- */
wdenkfe8c2802002-11-03 00:38:21 +000065
wdenk0d498392003-07-01 21:06:45 +000066U_BOOT_CMD(
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020067 go, CONFIG_SYS_MAXARGS, 1, do_go,
Peter Tyser2fb26042009-01-27 18:03:12 -060068 "start application at address 'addr'",
wdenk8bde7f72003-06-27 21:31:46 +000069 "addr [arg ...]\n - start application at address 'addr'\n"
Wolfgang Denka89c33d2009-05-24 17:06:54 +020070 " passing 'arg' as arguments"
wdenk8bde7f72003-06-27 21:31:46 +000071);
wdenkfe8c2802002-11-03 00:38:21 +000072
Mike Frysingera641b972010-12-26 23:32:22 -050073#endif
74
wdenk0d498392003-07-01 21:06:45 +000075U_BOOT_CMD(
Wolfgang Denk0bba5452007-01-13 11:17:10 +010076 reset, 1, 0, do_reset,
Peter Tyser2fb26042009-01-27 18:03:12 -060077 "Perform RESET of the CPU",
Wolfgang Denka89c33d2009-05-24 17:06:54 +020078 ""
wdenk8bde7f72003-06-27 21:31:46 +000079);