1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * cmd_sdp.c -- sdp command
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Copyright (C) 2016 Toradex
5*4882a593Smuzhiyun * Author: Stefan Agner <stefan.agner@toradex.com>
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #include <common.h>
11*4882a593Smuzhiyun #include <g_dnl.h>
12*4882a593Smuzhiyun #include <sdp.h>
13*4882a593Smuzhiyun #include <usb.h>
14*4882a593Smuzhiyun
do_sdp(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])15*4882a593Smuzhiyun static int do_sdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
16*4882a593Smuzhiyun {
17*4882a593Smuzhiyun int ret = CMD_RET_FAILURE;
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun if (argc < 2)
20*4882a593Smuzhiyun return CMD_RET_USAGE;
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun char *usb_controller = argv[1];
23*4882a593Smuzhiyun int controller_index = simple_strtoul(usb_controller, NULL, 0);
24*4882a593Smuzhiyun usb_gadget_initialize(controller_index);
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun g_dnl_clear_detach();
27*4882a593Smuzhiyun g_dnl_register("usb_dnl_sdp");
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun ret = sdp_init(controller_index);
30*4882a593Smuzhiyun if (ret) {
31*4882a593Smuzhiyun pr_err("SDP init failed: %d\n", ret);
32*4882a593Smuzhiyun goto exit;
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun /* This command typically does not return but jumps to an image */
36*4882a593Smuzhiyun sdp_handle(controller_index);
37*4882a593Smuzhiyun pr_err("SDP ended\n");
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun exit:
40*4882a593Smuzhiyun g_dnl_unregister();
41*4882a593Smuzhiyun usb_gadget_release(controller_index);
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun return ret;
44*4882a593Smuzhiyun }
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun U_BOOT_CMD(sdp, 2, 1, do_sdp,
47*4882a593Smuzhiyun "Serial Downloader Protocol",
48*4882a593Smuzhiyun "<USB_controller>\n"
49*4882a593Smuzhiyun " - serial downloader protocol via <USB_controller>\n"
50*4882a593Smuzhiyun );
51