drivers/mmc/mmc_bootdev.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Bootdevice for MMC
   4  *
   5  * Copyright 2021 Google LLC
   6  * Written by Simon Glass <[email protected]>
   7  */
   8
   9 #include <common.h>
  10 #include <bootdev.h>
  11 #include <dm.h>
  12 #include <mmc.h>
  13
  14 static int mmc_bootdev_bind(struct udevice *dev)
  15 {
  16         struct bootdev_uc_plat *ucp = dev_get_uclass_plat(dev);
  17
  18         ucp->prio = BOOTDEVP_2_INTERNAL_FAST;
  19
  20         return 0;
  21 }
  22
  23 struct bootdev_ops mmc_bootdev_ops = {
  24 };
  25
  26 static const struct udevice_id mmc_bootdev_ids[] = {
  27         { .compatible = "u-boot,bootdev-mmc" },
  28         { }
  29 };
  30
  31 U_BOOT_DRIVER(mmc_bootdev) = {
  32         .name           = "mmc_bootdev",
  33         .id             = UCLASS_BOOTDEV,
  34         .ops            = &mmc_bootdev_ops,
  35         .bind           = mmc_bootdev_bind,
  36         .of_match       = mmc_bootdev_ids,
  37 };
  38
  39 BOOTDEV_HUNTER(mmc_bootdev_hunter) = {
  40         .prio           = BOOTDEVP_2_INTERNAL_FAST,
  41         .uclass         = UCLASS_MMC,
  42         .drv            = DM_DRIVER_REF(mmc_bootdev),
  43 };