drivers/mmc/mmc_bootdev.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Bootdev for MMC
   4  *
   5  * Copyright 2021 Google LLC
   6  * Written by Simon Glass <[email protected]>
   7  */
   8
   9 #include <bootdev.h>
  10 #include <dm.h>
  11 #include <mmc.h>
  12
  13 static int mmc_bootdev_bind(struct udevice *dev)
  14 {
  15         struct bootdev_uc_plat *ucp = dev_get_uclass_plat(dev);
  16
  17         ucp->prio = BOOTDEVP_2_INTERNAL_FAST;
  18
  19         return 0;
  20 }
  21
  22 struct bootdev_ops mmc_bootdev_ops = {
  23 };
  24
  25 static const struct udevice_id mmc_bootdev_ids[] = {
  26         { .compatible = "u-boot,bootdev-mmc" },
  27         { }
  28 };
  29
  30 U_BOOT_DRIVER(mmc_bootdev) = {
  31         .name           = "mmc_bootdev",
  32         .id             = UCLASS_BOOTDEV,
  33         .ops            = &mmc_bootdev_ops,
  34         .bind           = mmc_bootdev_bind,
  35         .of_match       = mmc_bootdev_ids,
  36 };
  37
  38 BOOTDEV_HUNTER(mmc_bootdev_hunter) = {
  39         .prio           = BOOTDEVP_2_INTERNAL_FAST,
  40         .uclass         = UCLASS_MMC,
  41         .drv            = DM_DRIVER_REF(mmc_bootdev),
  42 };