| // SPDX-License-Identifier: GPL-2.0+ | |
| /* | |
| * Bootdev for USB | |
| * | |
| * Copyright 2021 Google LLC | |
| * Written by Simon Glass <sjg@chromium.org> | |
| */ | |
| #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) | |
| { | |
| if (usb_started) | |
| return 0; | |
| 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), | |
| }; |