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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 Frysingera4986452008-04-13 19:42:19 -040031/* Allow ports to override the default behavior */
32__attribute__((weak))
33unsigned long do_go_exec (ulong (*entry)(int, char *[]), int argc, char *argv[])
Mike Frysinger1f1d88d2008-01-29 18:21:05 -050034{
Mike Frysingera4986452008-04-13 19:42:19 -040035 return entry (argc, argv);
Mike Frysinger1f1d88d2008-01-29 18:21:05 -050036}
37
wdenkfe8c2802002-11-03 00:38:21 +000038int do_go (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
39{
40 ulong addr, rc;
41 int rcode = 0;
42
43 if (argc < 2) {
Peter Tyser62c3ae72009-01-27 18:03:10 -060044 cmd_usage(cmdtp);
wdenkfe8c2802002-11-03 00:38:21 +000045 return 1;
46 }
47
48 addr = simple_strtoul(argv[1], NULL, 16);
49
wdenkdc7c9a12003-03-26 06:55:25 +000050 printf ("## Starting application at 0x%08lX ...\n", addr);
wdenkfe8c2802002-11-03 00:38:21 +000051
52 /*
53 * pass address parameter as argv[0] (aka command name),
54 * and all remaining args
55 */
Mike Frysingera4986452008-04-13 19:42:19 -040056 rc = do_go_exec ((void *)addr, argc - 1, argv + 1);
wdenkfe8c2802002-11-03 00:38:21 +000057 if (rc != 0) rcode = 1;
58
wdenkdc7c9a12003-03-26 06:55:25 +000059 printf ("## Application terminated, rc = 0x%lX\n", rc);
wdenkfe8c2802002-11-03 00:38:21 +000060 return rcode;
61}
62
wdenk8bde7f72003-06-27 21:31:46 +000063/* -------------------------------------------------------------------- */
wdenkfe8c2802002-11-03 00:38:21 +000064
wdenk0d498392003-07-01 21:06:45 +000065U_BOOT_CMD(
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020066 go, CONFIG_SYS_MAXARGS, 1, do_go,
wdenk8bde7f72003-06-27 21:31:46 +000067 "go - start application at address 'addr'\n",
68 "addr [arg ...]\n - start application at address 'addr'\n"
69 " passing 'arg' as arguments\n"
70);
wdenkfe8c2802002-11-03 00:38:21 +000071
wdenk8bde7f72003-06-27 21:31:46 +000072extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
wdenkfe8c2802002-11-03 00:38:21 +000073
wdenk0d498392003-07-01 21:06:45 +000074U_BOOT_CMD(
Wolfgang Denk0bba5452007-01-13 11:17:10 +010075 reset, 1, 0, do_reset,
wdenk8bde7f72003-06-27 21:31:46 +000076 "reset - Perform RESET of the CPU\n",
77 NULL
78);