// SPDX-License-Identifier: GPL-2.0+

  /*
   * (C) Copyright 2001
   * Denis Peter, MPL AG Switzerland

   */
  
  /*
   * SCSI support.
   */

  #include <common.h>
  #include <command.h>

  #include <scsi.h>

  
  static int scsi_curr_dev; /* current device */

  /*

   * scsi boot command intepreter. Derived from diskboot
   */

  static int do_scsiboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])

  {

  	return common_diskboot(cmdtp, "scsi", argc, argv);

  }

  /*

   * scsi command intepreter
   */

  static int do_scsi(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])

  {

  	int ret;

  	if (argc == 2) {

  		if (strncmp(argv[1], "res", 3) == 0) {
  			printf("
  Reset SCSI
  ");

  #ifndef CONFIG_DM_SCSI

  			scsi_bus_reset(NULL);

  #endif

  			ret = scsi_scan(true);

  			if (ret)
  				return CMD_RET_FAILURE;
  			return ret;

  		}

  		if (strncmp(argv[1], "scan", 4) == 0) {

  			ret = scsi_scan(true);

  			if (ret)
  				return CMD_RET_FAILURE;
  			return ret;

  		}

  	}

  	return blk_common_cmd(argc, argv, IF_TYPE_SCSI, &scsi_curr_dev);

  }

  U_BOOT_CMD(
  	scsi, 5, 1, do_scsi,
  	"SCSI sub-system",
  	"reset - reset SCSI controller
  "
  	"scsi info  - show available SCSI devices
  "
  	"scsi scan  - (re-)scan SCSI bus
  "
  	"scsi device [dev] - show or set current device
  "
  	"scsi part [dev] - print partition table of one or all SCSI devices
  "
  	"scsi read addr blk# cnt - read `cnt' blocks starting at block `blk#'
  "
  	"     to memory address `addr'
  "
  	"scsi write addr blk# cnt - write `cnt' blocks starting at block
  "
  	"     `blk#' from memory address `addr'"
  );
  
  U_BOOT_CMD(
  	scsiboot, 3, 1, do_scsiboot,
  	"boot from SCSI device",
  	"loadAddr dev:part"
  );