blob: 01d6b3a2d66b6a4780f8a479ff41ffd2a5bd601b [file] [log] [blame]
Lukasz Majewskia006a5d2012-08-06 14:41:09 +02001/*
2 * cmd_dfu.c -- dfu command
3 *
4 * Copyright (C) 2012 Samsung Electronics
5 * authors: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
6 * Lukasz Majewski <l.majewski@samsung.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (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, MA 02111-1307 USA
21 */
22
23#include <common.h>
24#include <command.h>
25#include <malloc.h>
26#include <dfu.h>
27#include <asm/errno.h>
28#include <g_dnl.h>
29
30static int do_dfu(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
31{
32 const char *str_env;
Albert ARIBAUDb823fd92012-10-09 09:28:15 +000033 char *s = "dfu";
Lukasz Majewskia006a5d2012-08-06 14:41:09 +020034 char *env_bkp;
35 int ret;
36
37 if (argc < 3)
38 return CMD_RET_USAGE;
39
40 str_env = getenv("dfu_alt_info");
41 if (str_env == NULL) {
42 printf("%s: \"dfu_alt_info\" env variable not defined!\n",
43 __func__);
44 return CMD_RET_FAILURE;
45 }
46
47 env_bkp = strdup(str_env);
48 ret = dfu_config_entities(env_bkp, argv[1],
49 (int)simple_strtoul(argv[2], NULL, 10));
50 if (ret)
51 return CMD_RET_FAILURE;
52
53 if (strcmp(argv[3], "list") == 0) {
54 dfu_show_entities();
55 goto done;
56 }
57
58 board_usb_init();
59 g_dnl_register(s);
60 while (1) {
61 if (ctrlc())
62 goto exit;
63
64 usb_gadget_handle_interrupts();
65 }
66exit:
67 g_dnl_unregister();
68done:
69 dfu_free_entities();
70 free(env_bkp);
71
72 return CMD_RET_SUCCESS;
73}
74
75U_BOOT_CMD(dfu, CONFIG_SYS_MAXARGS, 1, do_dfu,
76 "Device Firmware Upgrade",
77 "<interface> <dev> [list]\n"
78 " - device firmware upgrade on a device <dev>\n"
79 " attached to interface <interface>\n"
80 " [list] - list available alt settings"
81);