summaryrefslogtreecommitdiff
path: root/common/cmd_jffs2.c
blob: 11e3cc663e4732b8064cf44bc3f2692626afb286 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
/*
 * (C) Copyright 2002
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 * (C) Copyright 2002
 * Robert Schwebel, Pengutronix, <r.schwebel@pengutronix.de>
 * (C) Copyright 2003
 * Kai-Uwe Bloem, Auerswald GmbH & Co KG, <linux-development@auerswald.de>
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

/*
 * Boot support
 */
#include <common.h>
#include <command.h>
#include <s_record.h>
#include <jffs2/load_kernel.h>
#include <net.h>

#if (CONFIG_COMMANDS & CFG_CMD_JFFS2)

#include <cramfs/cramfs_fs.h>

extern int cramfs_check (struct part_info *info);
extern int cramfs_load (char *loadoffset, struct part_info *info, char *filename);
extern int cramfs_ls (struct part_info *info, char *filename);
extern int cramfs_info (struct part_info *info);

static int part_num=0;

#ifndef CFG_JFFS_CUSTOM_PART

static struct part_info part;

#ifndef CONFIG_JFFS2_NAND

struct part_info*
jffs2_part_info(int part_num)
{
	extern flash_info_t flash_info[];	/* info for FLASH chips */
	int i;

	if(part_num==0){

		if(part.usr_priv==(void*)1)
			return &part;

		memset(&part, 0, sizeof(part));

#if defined(CFG_JFFS2_FIRST_SECTOR)
		part.offset = (unsigned char *) flash_info[CFG_JFFS2_FIRST_BANK].start[CFG_JFFS2_FIRST_SECTOR];
#else
		part.offset = (unsigned char *) flash_info[CFG_JFFS2_FIRST_BANK].start[0];
#endif

		/* Figure out flash partition size */
		for (i = CFG_JFFS2_FIRST_BANK; i < CFG_JFFS2_NUM_BANKS+CFG_JFFS2_FIRST_BANK; i++)
			part.size += flash_info[i].size;

#if defined(CFG_JFFS2_FIRST_SECTOR) && (CFG_JFFS2_FIRST_SECTOR > 0)
		part.size -=
			flash_info[CFG_JFFS2_FIRST_BANK].start[CFG_JFFS2_FIRST_SECTOR] -
			flash_info[CFG_JFFS2_FIRST_BANK].start[0];
#endif

		/* FIXME: Fast hack to get erase size set */

		/* We assume that our JFFS2 partition has
		 * all erase blocks with the same size
		 * If we have a clue about the erasesize
		 * we can skip empty blocks
		 */
		part.erasesize = PHYS_FLASH_SECT_SIZE;

		/* Mark the struct as ready */
		part.usr_priv=(void*)1;

		return &part;
	}
	return 0;
}

#else /* CONFIG_JFFS2_NAND */

struct part_info*
jffs2_part_info(int part_num)
{
	if(part_num==0){

		if(part.usr_priv==(void*)1)
			return &part;

		memset(&part, 0, sizeof(part));

		part.offset = CONFIG_JFFS2_NAND_OFF;
		part.size = CONFIG_JFFS2_NAND_SIZE; /* the bigger size the slower jffs2 */

#ifndef CONFIG_JFFS2_NAND_DEV
#define CONFIG_JFFS2_NAND_DEV 0
#endif
		/* nand device with the JFFS2 parition plus 1 */
		part.usr_priv = (void*)(CONFIG_JFFS2_NAND_DEV+1);
		return &part;
	}
	return 0;
}

#endif /* CONFIG_JFFS2_NAND */
#endif /* ifndef CFG_JFFS_CUSTOM_PART */

int
do_jffs2_fsload(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
    struct part_info* jffs2_part_info(int);
    int jffs2_1pass_load(char *, struct part_info *,const char *);
    char *fsname;

	char *filename = "uImage";
	ulong offset = load_addr;
	int size;
	struct part_info *part;

	if (argc == 2) {
		filename = argv[1];
	}
	if (argc == 3) {
		offset = simple_strtoul(argv[1], NULL, 16);
		load_addr = offset;
		filename = argv[2];
	}

	if (0 != (part=jffs2_part_info(part_num))){

		/* check partition type for cramfs */
		fsname = (cramfs_check(part) ? "CRAMFS" : "JFFS2");
		printf("### %s loading '%s' to 0x%lx\n", fsname, filename, offset);

		if (cramfs_check(part)) {
			size = cramfs_load ((char *) offset, part, filename);
		} else {
			/* if this is not cramfs assume jffs2 */
			size = jffs2_1pass_load((char *)offset, part, filename);
		}

		if (size > 0) {
			char buf[10];
			printf("### %s load complete: %d bytes loaded to 0x%lx\n",
				fsname, size, offset);
			sprintf(buf, "%x", size);
			setenv("filesize", buf);
		} else {
			printf("### %s LOAD ERROR<%x> for %s!\n", fsname, size, filename);
		}

		return !(size > 0);
	}
	puts ("Active partition not valid\n");
	return 0;
}

int
do_jffs2_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
   struct part_info* jffs2_part_info(int);
   int jffs2_1pass_ls(struct part_info *,char *);

   char *filename = "/";
	int ret;
	struct part_info *part;

	if (argc == 2)
		filename = argv[1];

	if (0 != (part=jffs2_part_info(part_num))){

		/* check partition type for cramfs */
		if (cramfs_check(part)) {
			ret = cramfs_ls (part, filename);
		} else {
			/* if this is not cramfs assume jffs2 */
			ret = jffs2_1pass_ls(part, filename);
		}

		return (ret == 1);
	}
	puts ("Active partition not valid\n");
	return 0;
}

int
do_jffs2_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	struct part_info* jffs2_part_info(int);
	int jffs2_1pass_info(struct part_info *);
	struct part_info *part;
	char *fsname;
	int ret;

	if ((part=jffs2_part_info(part_num))){

		/* check partition type for cramfs */
		fsname = (cramfs_check(part) ? "CRAMFS" : "JFFS2");
		printf("### filesystem type is %s\n", fsname);

		if (cramfs_check(part)) {
			ret = cramfs_info (part);
		} else {
			/* if this is not cramfs assume jffs2 */
			ret = jffs2_1pass_info(part);
		}

		return (ret == 1);
	}
	puts ("Active partition not valid\n");
	return 0;
}

int
do_jffs2_chpart(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	int tmp_part;
	char str_part_num[3];
   struct part_info* jffs2_part_info(int);

   if (argc >= 2) {
		tmp_part = simple_strtoul(argv[1], NULL, 16);
	}else{
		puts ("Need partition number in argument list\n");
		return 0;

	}

	if (jffs2_part_info(tmp_part)){
		printf("Partition changed to %d\n",tmp_part);
		part_num=tmp_part;
		sprintf(str_part_num, "%d", part_num);
		setenv("partition", str_part_num);
		return 0;
	}

	printf("Partition %d is not valid partiton\n",tmp_part);
	return 0;

}

/***************************************************/

U_BOOT_CMD(
	fsload,	3,	0,	do_jffs2_fsload,
	"fsload  - load binary file from a filesystem image\n",
	"[ off ] [ filename ]\n"
	"    - load binary file from flash bank\n"
	"      with offset 'off'\n"
);

U_BOOT_CMD(
	fsinfo,	1,	1,	do_jffs2_fsinfo,
	"fsinfo  - print information about filesystems\n",
	"    - print information about filesystems\n"
);

U_BOOT_CMD(
	ls,	2,	1,	do_jffs2_ls,
	"ls      - list files in a directory (default /)\n",
	"[ directory ]\n"
	"    - list files in a directory.\n"
);

U_BOOT_CMD(
	chpart,	2,	0,	do_jffs2_chpart,
	"chpart  - change active partition\n",
	"    - change active partition\n"
);

#endif /* CFG_CMD_JFFS2 */