[u-boot.git] / cmd / usb_gadget_sdp.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * cmd_sdp.c -- sdp command
 *
 * Copyright (C) 2016 Toradex
 * Author: Stefan Agner <[email protected]>
 */

#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"
);
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
2f005695 SA	2	/*
	3	* cmd_sdp.c -- sdp command
	4	*
	5	* Copyright (C) 2016 Toradex
	6	* Author: Stefan Agner <[email protected]>
2f005695 SA	7	*/
	8
	9	#include <common.h>
09140113	10	#include <command.h>
2f005695 SA	11	#include <g_dnl.h>
	12	#include <sdp.h>
	13	#include <usb.h>
	14
09140113	15	static int do_sdp(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
2f005695	16	{
25ee9246	17	int ret;
2f005695 SA	18
	19	if (argc < 2)
	20	return CMD_RET_USAGE;
	21
	22	char *usb_controller = argv[1];
	23	int controller_index = simple_strtoul(usb_controller, NULL, 0);
a06955ae	24	usb_gadget_initialize(controller_index);
2f005695 SA	25
2f005695 SA	26	g_dnl_clear_detach();
25ee9246 SS	27	ret = g_dnl_register("usb_dnl_sdp");
	28	if (ret) {
	29	pr_err("SDP dnl register failed: %d\n", ret);
	30	goto exit_register;
	31	}
2f005695 SA	32
	33	ret = sdp_init(controller_index);
	34	if (ret) {
24ccd0c8	35	pr_err("SDP init failed: %d\n", ret);
2f005695 SA	36	goto exit;
	37	}
	38
	39	/* This command typically does not return but jumps to an image */
	40	sdp_handle(controller_index);
24ccd0c8	41	pr_err("SDP ended\n");
2f005695 SA	42
	43	exit:
	44	g_dnl_unregister();
25ee9246	45	exit_register:
a06955ae	46	usb_gadget_release(controller_index);
2f005695	47
25ee9246	48	return CMD_RET_FAILURE;
2f005695 SA	49	}
	50
	51	U_BOOT_CMD(sdp, 2, 1, do_sdp,
	52	"Serial Downloader Protocol",
	53	"<USB_controller>\n"
	54	" - serial downloader protocol via <USB_controller>\n"
	55	);