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