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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