usb: dwc3: add dwc3 folder from linux kernel to u-boot

[people/ms/u-boot.git] / common / cmd_fs.c

/*
 * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
 *
 * Inspired by cmd_ext_common.c, cmd_fat.c.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

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

static int do_size_wrapper(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	return do_size(cmdtp, flag, argc, argv, FS_TYPE_ANY);
}

U_BOOT_CMD(
	size,	4,	0,	do_size_wrapper,
	"determine a file's size",
	"<interface> <dev[:part]> <filename>\n"
	"    - Find file 'filename' from 'dev' on 'interface'\n"
	"      and determine its size."
);

static int do_load_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
				char * const argv[])
{
	return do_load(cmdtp, flag, argc, argv, FS_TYPE_ANY);
}

U_BOOT_CMD(
	load,	7,	0,	do_load_wrapper,
	"load binary file from a filesystem",
	"<interface> [<dev[:part]> [<addr> [<filename> [bytes [pos]]]]]\n"
	"    - Load binary file 'filename' from partition 'part' on device\n"
	"       type 'interface' instance 'dev' to address 'addr' in memory.\n"
	"      'bytes' gives the size to load in bytes.\n"
	"      If 'bytes' is 0 or omitted, the file is read until the end.\n"
	"      'pos' gives the file byte position to start reading from.\n"
	"      If 'pos' is 0 or omitted, the file is read from the start."
)

static int do_save_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
				char * const argv[])
{
	return do_save(cmdtp, flag, argc, argv, FS_TYPE_ANY);
}

U_BOOT_CMD(
	save,	7,	0,	do_save_wrapper,
	"save file to a filesystem",
	"<interface> <dev[:part]> <addr> <filename> bytes [pos]\n"
	"    - Save binary file 'filename' to partition 'part' on device\n"
	"      type 'interface' instance 'dev' from addr 'addr' in memory.\n"
	"      'bytes' gives the size to save in bytes and is mandatory.\n"
	"      'pos' gives the file byte position to start writing to.\n"
	"      If 'pos' is 0 or omitted, the file is written from the start."
)

static int do_ls_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
				char * const argv[])
{
	return do_ls(cmdtp, flag, argc, argv, FS_TYPE_ANY);
}

U_BOOT_CMD(
	ls,	4,	1,	do_ls_wrapper,
	"list files in a directory (default /)",
	"<interface> [<dev[:part]> [directory]]\n"
	"    - List files in directory 'directory' of partition 'part' on\n"
	"      device type 'interface' instance 'dev'."
)

static int do_fstype_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
				char * const argv[])
{
	return do_fs_type(cmdtp, flag, argc, argv);
}

U_BOOT_CMD(
	fstype, 4, 1, do_fstype_wrapper,
	"Look up a filesystem type",
	"<interface> <dev>:<part>\n"
	"- print filesystem type\n"
	"fstype <interface> <dev>:<part> <varname>\n"
	"- set environment variable to filesystem type\n"
);