cmd/ufs.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /**
   3  * ufs.c - UFS specific U-boot commands
   4  *
   5  * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com
   6  *
   7  */
   8 #include <common.h>
   9 #include <command.h>
  10 #include <ufs.h>
  11
  12 static int do_ufs(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  13 {
  14         int dev, ret;
  15
  16         if (argc >= 2) {
  17                 if (!strcmp(argv[1], "init")) {
  18                         if (argc == 3) {
  19                                 dev = dectoul(argv[2], NULL);
  20                                 ret = ufs_probe_dev(dev);
  21                                 if (ret)
  22                                         return CMD_RET_FAILURE;
  23                         } else {
  24                                 ufs_probe();
  25                         }
  26
  27                         return CMD_RET_SUCCESS;
  28                 }
  29         }
  30
  31         return CMD_RET_USAGE;
  32 }
  33
  34 U_BOOT_CMD(ufs, 3, 1, do_ufs,
  35            "UFS  sub system",
  36            "init [dev] - init UFS subsystem\n"
  37 );