]>
git.ipfire.org Git - people/ms/u-boot.git/blob - common/cmd_dfu.c
e975abebc9a5fbd832a38980999e3d21d3bf44f5
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 * SPDX-License-Identifier: GPL-2.0+
16 static int do_dfu(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
18 bool dfu_reset
= false;
23 char *usb_controller
= argv
[1];
24 char *interface
= argv
[2];
25 char *devstring
= argv
[3];
29 ret
= dfu_init_env_entities(interface
, devstring
);
33 ret
= CMD_RET_SUCCESS
;
34 if (argc
> 4 && strcmp(argv
[4], "list") == 0) {
39 int controller_index
= simple_strtoul(usb_controller
, NULL
, 0);
40 board_usb_init(controller_index
, USB_INIT_DEVICE
);
42 g_dnl_register("usb_dnl_dfu");
46 * Check if USB bus reset is performed after detach,
47 * which indicates that -R switch has been passed to
48 * dfu-util. In this case reboot the device
50 if (dfu_usb_get_reset()) {
56 * This extra number of usb_gadget_handle_interrupts()
57 * calls is necessary to assure correct transmission
58 * completion with dfu-util
67 usb_gadget_handle_interrupts();
75 run_command("reset", 0);
82 U_BOOT_CMD(dfu
, CONFIG_SYS_MAXARGS
, 1, do_dfu
,
83 "Device Firmware Upgrade",
84 "<USB_controller> <interface> <dev> [list]\n"
85 " - device firmware upgrade via <USB_controller>\n"
86 " on device <dev>, attached to interface\n"
88 " [list] - list available alt settings\n"