u-boot/drivers/usb/host/usb_bootdev.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* Bootdevice for USB
*
* Copyright 2021 Google LLC
* Written by Simon Glass <sjg@chromium.org>
*/
#include <common.h>
#include <bootdev.h>
#include <dm.h>
#include <usb.h>
static int usb_bootdev_bind(struct udevice *dev)
{
struct bootdev_uc_plat *ucp = dev_get_uclass_plat(dev);
ucp->prio = BOOTDEVP_5_SCAN_SLOW;
return 0;
}
static int usb_bootdev_hunt(struct bootdev_hunter *info, bool show)
{
return usb_init();
}
struct bootdev_ops usb_bootdev_ops = {
};
static const struct udevice_id usb_bootdev_ids[] = {
{ .compatible = "u-boot,bootdev-usb" },
{ }
};
U_BOOT_DRIVER(usb_bootdev) = {
.name = "usb_bootdev",
.id = UCLASS_BOOTDEV,
.ops = &usb_bootdev_ops,
.bind = usb_bootdev_bind,
.of_match = usb_bootdev_ids,
};
BOOTDEV_HUNTER(usb_bootdev_hunter) = {
.prio = BOOTDEVP_5_SCAN_SLOW,
.uclass = UCLASS_USB,
.hunt = usb_bootdev_hunt,
.drv = DM_DRIVER_REF(usb_bootdev),
};