spl_sdp.c
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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2016 Toradex
* Author: Stefan Agner <stefan.agner@toradex.com>
*/
#include <common.h>
#include <spl.h>
#include <usb.h>
#include <g_dnl.h>
#include <sdp.h>
void board_sdp_cleanup(void)
{
usb_gadget_release(CONFIG_SPL_SDP_USB_DEV);
}
static int spl_sdp_load_image(struct spl_image_info *spl_image,
struct spl_boot_device *bootdev)
{
int ret;
int index;
int controller_index = CONFIG_SPL_SDP_USB_DEV;
index = board_usb_gadget_port_auto();
if (index >= 0)
controller_index = index;
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);
return -ENODEV;
}
/* This command typically does not return but jumps to an image */
sdp_handle(controller_index);
pr_err("SDP ended\n");
return -EINVAL;
}
SPL_LOAD_IMAGE_METHOD("USB SDP", 0, BOOT_DEVICE_BOARD, spl_sdp_load_image);