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Uma Shankara1596432012-05-25 21:21:44 +05301/*
2 * (C) Copyright 2011 - 2012 Samsung Electronics
3 * EXT4 filesystem implementation in Uboot by
4 * Uma Shankar <uma.shankar@samsung.com>
5 * Manjunatha C Achar <a.manjunatha@samsung.com>
6 *
7 * Ext4fs support
8 * made from existing cmd_ext2.c file of Uboot
9 *
10 * (C) Copyright 2004
11 * esd gmbh <www.esd-electronics.com>
12 * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
13 *
14 * made from cmd_reiserfs by
15 *
16 * (C) Copyright 2003 - 2004
17 * Sysgo Real-Time Solutions, AG <www.elinos.com>
18 * Pavel Bartusek <pba@sysgo.com>
19 *
Wolfgang Denk1a459662013-07-08 09:37:19 +020020 * SPDX-License-Identifier: GPL-2.0+
Uma Shankara1596432012-05-25 21:21:44 +053021 */
22
23/*
24 * Changelog:
25 * 0.1 - Newly created file for ext4fs support. Taken from cmd_ext2.c
26 * file in uboot. Added ext4fs ls load and write support.
27 */
28
29#include <common.h>
30#include <part.h>
31#include <config.h>
32#include <command.h>
33#include <image.h>
34#include <linux/ctype.h>
35#include <asm/byteorder.h>
Uma Shankara1596432012-05-25 21:21:44 +053036#include <ext4fs.h>
37#include <linux/stat.h>
38#include <malloc.h>
Stephen Warren045fa1e2012-10-22 06:43:51 +000039#include <fs.h>
Uma Shankara1596432012-05-25 21:21:44 +053040
41#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
42#include <usb.h>
43#endif
44
Uma Shankara1596432012-05-25 21:21:44 +053045int do_ext4_load(cmd_tbl_t *cmdtp, int flag, int argc,
46 char *const argv[])
47{
Wolfgang Denkb770e882013-10-05 21:07:25 +020048 return do_load(cmdtp, flag, argc, argv, FS_TYPE_EXT);
Uma Shankara1596432012-05-25 21:21:44 +053049}
50
51int do_ext4_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
52{
Stephen Warren045fa1e2012-10-22 06:43:51 +000053 return do_ls(cmdtp, flag, argc, argv, FS_TYPE_EXT);
Uma Shankara1596432012-05-25 21:21:44 +053054}
55
Uma Shankared34f342012-05-25 21:22:49 +053056#if defined(CONFIG_CMD_EXT4_WRITE)
Uma Shankared34f342012-05-25 21:22:49 +053057int do_ext4_write(cmd_tbl_t *cmdtp, int flag, int argc,
58 char *const argv[])
59{
60 const char *filename = "/";
Rob Herring81180812012-08-23 11:31:46 +000061 int dev, part;
Uma Shankared34f342012-05-25 21:22:49 +053062 unsigned long ram_address;
63 unsigned long file_size;
64 disk_partition_t info;
Rob Herring81180812012-08-23 11:31:46 +000065 block_dev_desc_t *dev_desc;
Uma Shankared34f342012-05-25 21:22:49 +053066
67 if (argc < 6)
68 return cmd_usage(cmdtp);
69
Stephen Warren10a37fd2012-09-21 09:50:57 +000070 part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
Rob Herring81180812012-08-23 11:31:46 +000071 if (part < 0)
Uma Shankared34f342012-05-25 21:22:49 +053072 return 1;
Uma Shankared34f342012-05-25 21:22:49 +053073
Rob Herring81180812012-08-23 11:31:46 +000074 dev = dev_desc->dev;
Uma Shankared34f342012-05-25 21:22:49 +053075
76 /* get the filename */
Tom Rini0171d522013-03-20 04:21:38 +000077 filename = argv[4];
Uma Shankared34f342012-05-25 21:22:49 +053078
79 /* get the address in hexadecimal format (string to int) */
Tom Rini0171d522013-03-20 04:21:38 +000080 ram_address = simple_strtoul(argv[3], NULL, 16);
Uma Shankared34f342012-05-25 21:22:49 +053081
82 /* get the filesize in base 10 format */
83 file_size = simple_strtoul(argv[5], NULL, 10);
84
85 /* set the device as block device */
Rob Herring81180812012-08-23 11:31:46 +000086 ext4fs_set_blk_dev(dev_desc, &info);
Uma Shankared34f342012-05-25 21:22:49 +053087
88 /* mount the filesystem */
Rob Herring81180812012-08-23 11:31:46 +000089 if (!ext4fs_mount(info.size)) {
Simon Glassb9dc4942012-10-23 13:49:25 +000090 printf("Bad ext4 partition %s %d:%d\n", argv[1], dev, part);
Uma Shankared34f342012-05-25 21:22:49 +053091 goto fail;
92 }
93
94 /* start write */
95 if (ext4fs_write(filename, (unsigned char *)ram_address, file_size)) {
96 printf("** Error ext4fs_write() **\n");
97 goto fail;
98 }
99 ext4fs_close();
Uma Shankared34f342012-05-25 21:22:49 +0530100
101 return 0;
102
103fail:
104 ext4fs_close();
Uma Shankared34f342012-05-25 21:22:49 +0530105
106 return 1;
107}
108
109U_BOOT_CMD(ext4write, 6, 1, do_ext4_write,
110 "create a file in the root directory",
Tom Rini0171d522013-03-20 04:21:38 +0000111 "<interface> <dev[:part]> <addr> <absolute filename path> [sizebytes]\n"
Stephen Warrenb6a30442012-10-30 12:04:18 +0000112 " - create a file in / directory");
Uma Shankared34f342012-05-25 21:22:49 +0530113
114#endif
115
Uma Shankara1596432012-05-25 21:21:44 +0530116U_BOOT_CMD(ext4ls, 4, 1, do_ext4_ls,
117 "list files in a directory (default /)",
118 "<interface> <dev[:part]> [directory]\n"
Stephen Warrenb6a30442012-10-30 12:04:18 +0000119 " - list files from 'dev' on 'interface' in a 'directory'");
Uma Shankara1596432012-05-25 21:21:44 +0530120
121U_BOOT_CMD(ext4load, 6, 0, do_ext4_load,
122 "load binary file from a Ext4 filesystem",
123 "<interface> <dev[:part]> [addr] [filename] [bytes]\n"
Stephen Warrenb6a30442012-10-30 12:04:18 +0000124 " - load binary file 'filename' from 'dev' on 'interface'\n"
Wolfgang Denkb770e882013-10-05 21:07:25 +0200125 " to address 'addr' from ext4 filesystem");