1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2016 Toradex
4 * Author: Stefan Agner <stefan.agner@toradex.com>
5 */
6
7 #include <common.h>
8 #include <spl.h>
9 #include <usb.h>
10 #include <g_dnl.h>
11 #include <sdp.h>
12
spl_sdp_load_image(struct spl_image_info * spl_image,struct spl_boot_device * bootdev)13 static int spl_sdp_load_image(struct spl_image_info *spl_image,
14 struct spl_boot_device *bootdev)
15 {
16 int ret;
17 const int controller_index = 0;
18
19 g_dnl_clear_detach();
20 ret = g_dnl_register("usb_dnl_sdp");
21 if (ret) {
22 pr_err("SDP dnl register failed: %d\n", ret);
23 return ret;
24 }
25
26 ret = sdp_init(controller_index);
27 if (ret) {
28 pr_err("SDP init failed: %d\n", ret);
29 return -ENODEV;
30 }
31
32 /*
33 * This command either loads a legacy image, jumps and never returns,
34 * or it loads a FIT image and returns it to be handled by the SPL
35 * code.
36 */
37 ret = spl_sdp_handle(controller_index, spl_image);
38 debug("SDP ended\n");
39
40 return ret;
41 }
42 SPL_LOAD_IMAGE_METHOD("USB SDP", 0, BOOT_DEVICE_BOARD, spl_sdp_load_image);
43