blob: 808ed974fa7537a367f3b8d5567fe1d0988f6224 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
// SPDX-License-Identifier: GPL-2.0+
/*
* cmd_sdp.c -- sdp command
*
* Copyright (C) 2016 Toradex
* Author: Stefan Agner <stefan.agner@toradex.com>
*/
#include <common.h>
#include <g_dnl.h>
#include <sdp.h>
#include <usb.h>
static int do_sdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int ret = CMD_RET_FAILURE;
if (argc < 2)
return CMD_RET_USAGE;
char *usb_controller = argv[1];
int controller_index = simple_strtoul(usb_controller, NULL, 0);
usb_gadget_initialize(controller_index);
g_dnl_clear_detach();
g_dnl_register("usb_dnl_sdp");
ret = sdp_init(controller_index);
if (ret) {
pr_err("SDP init failed: %d\n", ret);
goto exit;
}
/* This command typically does not return but jumps to an image */
sdp_handle(controller_index);
pr_err("SDP ended\n");
exit:
g_dnl_unregister();
usb_gadget_release(controller_index);
return ret;
}
U_BOOT_CMD(sdp, 2, 1, do_sdp,
"Serial Downloader Protocol",
"<USB_controller>\n"
" - serial downloader protocol via <USB_controller>\n"
);
|
