2 * cmd_dfu.c -- dfu command
4 * Copyright (C) 2012 Samsung Electronics
5 * authors: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
6 * Lukasz Majewski <l.majewski@samsung.com>
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.
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.
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
27 #include <asm/errno.h>
30 static int do_dfu(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
40 str_env = getenv("dfu_alt_info");
41 if (str_env == NULL) {
42 printf("%s: \"dfu_alt_info\" env variable not defined!\n",
44 return CMD_RET_FAILURE;
47 env_bkp = strdup(str_env);
48 ret = dfu_config_entities(env_bkp, argv[1],
49 (int)simple_strtoul(argv[2], NULL, 10));
51 return CMD_RET_FAILURE;
53 if (argc > 3 && strcmp(argv[3], "list") == 0) {
67 usb_gadget_handle_interrupts();
75 return CMD_RET_SUCCESS;
78 U_BOOT_CMD(dfu, CONFIG_SYS_MAXARGS, 1, do_dfu,
79 "Device Firmware Upgrade",
80 "<interface> <dev> [list]\n"
81 " - device firmware upgrade on a device <dev>\n"
82 " attached to interface <interface>\n"
83 " [list] - list available alt settings"