1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * (C) Copyright 2002
4 * Richard Jones, rjones@nexus-tech.net
5 */
6
7/*
8 * Boot support
9 */
10#include <common.h>
11#include <command.h>
12#include <mapmem.h>
13#include <fat.h>
14#include <fs.h>
15#include <part.h>
16#include <asm/cache.h>
17
18int do_fat_size(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
19{
20	return do_size(cmdtp, flag, argc, argv, FS_TYPE_FAT);
21}
22
23U_BOOT_CMD(
24	fatsize,	4,	0,	do_fat_size,
25	"determine a file's size",
26	"<interface> <dev[:part]> <filename>\n"
27	"    - Find file 'filename' from 'dev' on 'interface'\n"
28	"      and determine its size."
29);
30
31int do_fat_fsload(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
32{
33	return do_load(cmdtp, flag, argc, argv, FS_TYPE_FAT);
34}
35
36
37U_BOOT_CMD(
38	fatload,	7,	0,	do_fat_fsload,
39	"load binary file from a dos filesystem",
40	"<interface> [<dev[:part]> [<addr> [<filename> [bytes [pos]]]]]\n"
41	"    - Load binary file 'filename' from 'dev' on 'interface'\n"
42	"      to address 'addr' from dos filesystem.\n"
43	"      'pos' gives the file position to start loading from.\n"
44	"      If 'pos' is omitted, 0 is used. 'pos' requires 'bytes'.\n"
45	"      'bytes' gives the size to load. If 'bytes' is 0 or omitted,\n"
46	"      the load stops on end of file.\n"
47	"      If either 'pos' or 'bytes' are not aligned to\n"
48	"      ARCH_DMA_MINALIGN then a misaligned buffer warning will\n"
49	"      be printed and performance will suffer for the load."
50);
51
52static int do_fat_ls(struct cmd_tbl *cmdtp, int flag, int argc,
53		     char *const argv[])
54{
55	return do_ls(cmdtp, flag, argc, argv, FS_TYPE_FAT);
56}
57
58U_BOOT_CMD(
59	fatls,	4,	1,	do_fat_ls,
60	"list files in a directory (default /)",
61	"<interface> [<dev[:part]>] [directory]\n"
62	"    - list files from 'dev' on 'interface' in a 'directory'"
63);
64
65static int do_fat_fsinfo(struct cmd_tbl *cmdtp, int flag, int argc,
66			 char *const argv[])
67{
68	int dev, part;
69	struct blk_desc *dev_desc;
70	struct disk_partition info;
71
72	if (argc < 2) {
73		printf("usage: fatinfo <interface> [<dev[:part]>]\n");
74		return 0;
75	}
76
77	part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
78	if (part < 0)
79		return 1;
80
81	dev = dev_desc->devnum;
82	if (fat_set_blk_dev(dev_desc, &info) != 0) {
83		printf("\n** Unable to use %s %d:%d for fatinfo **\n",
84			argv[1], dev, part);
85		return 1;
86	}
87	return file_fat_detectfs();
88}
89
90U_BOOT_CMD(
91	fatinfo,	3,	1,	do_fat_fsinfo,
92	"print information about filesystem",
93	"<interface> [<dev[:part]>]\n"
94	"    - print information about filesystem from 'dev' on 'interface'"
95);
96
97#ifdef CONFIG_FAT_WRITE
98static int do_fat_fswrite(struct cmd_tbl *cmdtp, int flag, int argc,
99			  char *const argv[])
100{
101	return do_save(cmdtp, flag, argc, argv, FS_TYPE_FAT);
102}
103
104U_BOOT_CMD(
105	fatwrite,	7,	0,	do_fat_fswrite,
106	"write file into a dos filesystem",
107	"<interface> <dev[:part]> <addr> <filename> [<bytes> [<offset>]]\n"
108	"    - write file 'filename' from the address 'addr' in RAM\n"
109	"      to 'dev' on 'interface'"
110);
111
112static int do_fat_rm(struct cmd_tbl *cmdtp, int flag, int argc,
113		     char *const argv[])
114{
115	return do_rm(cmdtp, flag, argc, argv, FS_TYPE_FAT);
116}
117
118U_BOOT_CMD(
119	fatrm,	4,	1,	do_fat_rm,
120	"delete a file",
121	"<interface> [<dev[:part]>] <filename>\n"
122	"    - delete a file from 'dev' on 'interface'"
123);
124
125static int do_fat_mkdir(struct cmd_tbl *cmdtp, int flag, int argc,
126			char *const argv[])
127{
128	return do_mkdir(cmdtp, flag, argc, argv, FS_TYPE_FAT);
129}
130
131U_BOOT_CMD(
132	fatmkdir,	4,	1,	do_fat_mkdir,
133	"create a directory",
134	"<interface> [<dev[:part]>] <directory>\n"
135	"    - create a directory in 'dev' on 'interface'"
136);
137#endif
138