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 <s_record.h>
13 #include <net.h>
14 #include <ata.h>
15 #include <asm/io.h>
16 #include <mapmem.h>
17 #include <part.h>
18 #include <fat.h>
19 #include <fs.h>
20
do_fat_size(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])21 int do_fat_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
22 {
23 return do_size(cmdtp, flag, argc, argv, FS_TYPE_FAT);
24 }
25
26 U_BOOT_CMD(
27 fatsize, 4, 0, do_fat_size,
28 "determine a file's size",
29 "<interface> <dev[:part]> <filename>\n"
30 " - Find file 'filename' from 'dev' on 'interface'\n"
31 " and determine its size."
32 );
33
do_fat_fsload(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])34 int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
35 {
36 return do_load(cmdtp, flag, argc, argv, FS_TYPE_FAT);
37 }
38
39
40 U_BOOT_CMD(
41 fatload, 7, 0, do_fat_fsload,
42 "load binary file from a dos filesystem",
43 "<interface> [<dev[:part]> [<addr> [<filename> [bytes [pos]]]]]\n"
44 " - Load binary file 'filename' from 'dev' on 'interface'\n"
45 " to address 'addr' from dos filesystem.\n"
46 " 'pos' gives the file position to start loading from.\n"
47 " If 'pos' is omitted, 0 is used. 'pos' requires 'bytes'.\n"
48 " 'bytes' gives the size to load. If 'bytes' is 0 or omitted,\n"
49 " the load stops on end of file.\n"
50 " If either 'pos' or 'bytes' are not aligned to\n"
51 " ARCH_DMA_MINALIGN then a misaligned buffer warning will\n"
52 " be printed and performance will suffer for the load."
53 );
54
do_fat_ls(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])55 static int do_fat_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
56 {
57 return do_ls(cmdtp, flag, argc, argv, FS_TYPE_FAT);
58 }
59
60 U_BOOT_CMD(
61 fatls, 4, 1, do_fat_ls,
62 "list files in a directory (default /)",
63 "<interface> [<dev[:part]>] [directory]\n"
64 " - list files from 'dev' on 'interface' in a 'directory'"
65 );
66
do_fat_fsinfo(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])67 static int do_fat_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc,
68 char * const argv[])
69 {
70 int dev, part;
71 struct blk_desc *dev_desc;
72 disk_partition_t info;
73
74 if (argc < 2) {
75 printf("usage: fatinfo <interface> [<dev[:part]>]\n");
76 return 0;
77 }
78
79 part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
80 if (part < 0)
81 return 1;
82
83 dev = dev_desc->devnum;
84 if (fat_set_blk_dev(dev_desc, &info) != 0) {
85 printf("\n** Unable to use %s %d:%d for fatinfo **\n",
86 argv[1], dev, part);
87 return 1;
88 }
89 return file_fat_detectfs();
90 }
91
92 U_BOOT_CMD(
93 fatinfo, 3, 1, do_fat_fsinfo,
94 "print information about filesystem",
95 "<interface> [<dev[:part]>]\n"
96 " - print information about filesystem from 'dev' on 'interface'"
97 );
98
99 #ifdef CONFIG_FAT_WRITE
do_fat_fswrite(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])100 static int do_fat_fswrite(cmd_tbl_t *cmdtp, int flag,
101 int argc, char * const argv[])
102 {
103 loff_t size;
104 int ret;
105 unsigned long addr;
106 unsigned long count;
107 struct blk_desc *dev_desc = NULL;
108 disk_partition_t info;
109 int dev = 0;
110 int part = 1;
111 void *buf;
112
113 if (argc < 5)
114 return cmd_usage(cmdtp);
115
116 part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
117 if (part < 0)
118 return 1;
119
120 dev = dev_desc->devnum;
121
122 if (fat_set_blk_dev(dev_desc, &info) != 0) {
123 printf("\n** Unable to use %s %d:%d for fatwrite **\n",
124 argv[1], dev, part);
125 return 1;
126 }
127 addr = simple_strtoul(argv[3], NULL, 16);
128 count = (argc <= 5) ? 0 : simple_strtoul(argv[5], NULL, 16);
129
130 buf = map_sysmem(addr, count);
131 ret = file_fat_write(argv[4], buf, 0, count, &size);
132 unmap_sysmem(buf);
133 if (ret < 0) {
134 printf("\n** Unable to write \"%s\" from %s %d:%d **\n",
135 argv[4], argv[1], dev, part);
136 return 1;
137 }
138
139 printf("%llu bytes written\n", size);
140
141 return 0;
142 }
143
144 U_BOOT_CMD(
145 fatwrite, 6, 0, do_fat_fswrite,
146 "write file into a dos filesystem",
147 "<interface> <dev[:part]> <addr> <filename> [<bytes>]\n"
148 " - write file 'filename' from the address 'addr' in RAM\n"
149 " to 'dev' on 'interface'"
150 );
151 #endif
152