xref: /openbmc/u-boot/common/spl/spl_sdp.c (revision c68c03f5)
1 /*
2  * (C) Copyright 2016 Toradex
3  * Author: Stefan Agner <stefan.agner@toradex.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #include <common.h>
9 #include <spl.h>
10 #include <usb.h>
11 #include <g_dnl.h>
12 #include <sdp.h>
13 
14 DECLARE_GLOBAL_DATA_PTR;
15 
16 static int spl_sdp_load_image(struct spl_image_info *spl_image,
17 			      struct spl_boot_device *bootdev)
18 {
19 	int ret;
20 	const int controller_index = 0;
21 
22 	g_dnl_clear_detach();
23 	g_dnl_register("usb_dnl_sdp");
24 
25 	ret = sdp_init(controller_index);
26 	if (ret) {
27 		pr_err("SDP init failed: %d", ret);
28 		return -ENODEV;
29 	}
30 
31 	/* This command typically does not return but jumps to an image */
32 	sdp_handle(controller_index);
33 	pr_err("SDP ended");
34 
35 	return -EINVAL;
36 }
37 SPL_LOAD_IMAGE_METHOD("USB SDP", 0, BOOT_DEVICE_BOARD, spl_sdp_load_image);
38