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// 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 <command.h>
#include <g_dnl.h>
#include <sdp.h>
#include <usb.h>
static int do_sdp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
int ret;
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();
ret = g_dnl_register("usb_dnl_sdp");
if (ret) {
pr_err("SDP dnl register failed: %d\n", ret);
goto exit_register;
}
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();
exit_register:
usb_gadget_release(controller_index);
return CMD_RET_FAILURE;
}
U_BOOT_CMD(sdp, 2, 1, do_sdp,
"Serial Downloader Protocol",
"<USB_controller>\n"
" - serial downloader protocol via <USB_controller>\n"
);
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