1 /* 2 * Copyright (C) (C) Copyright 2016-2019 Rockchip Electronics Co., Ltd 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <command.h> 9 #include <dm.h> 10 11 static int mtd_curr_dev = -1; 12 13 static int do_mtd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 14 { 15 if (argc == 2) { 16 return CMD_RET_FAILURE; 17 } 18 19 return blk_common_cmd(argc, argv, IF_TYPE_MTD, &mtd_curr_dev); 20 } 21 22 U_BOOT_CMD( 23 mtd, 8, 1, do_mtd, 24 "MTD device sub-system", 25 "mtd dev [dev] - show or set current MTD device\n" 26 "mtd part [dev] - print partition table of one or all MTD devices\n" 27 "mtd read addr blk# cnt - read `cnt' blocks starting at block\n" 28 " `blk#' to memory address `addr'\n" 29 "mtd write addr blk# cnt - write `cnt' blocks starting at block\n" 30 " `blk#' from memory address `addr'" 31 ); 32