50 lines
1.0 KiB
C
50 lines
1.0 KiB
C
// 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"
|
|
);
|