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/**
* Routine implementing u-boot fsinfo command. This routine prints out
* miscellaneous filesystem informations/statistics.
*
* @param cmdtp command internal data
* @param flag command flag
* @param argc number of arguments supplied to the command
* @param argv arguments list
* @return 0 on success, 1 otherwise
*/
int do_jffs2_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
/* make sure we are in sync with env variables */
if (mtdparts_init() !=0)
return 1;
if ((part = jffs2_part_info(current_dev, current_partnum))){
/* 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 ? 0 : 1;
/* command line only */
#ifdef CONFIG_JFFS2_CMDLINE
/**
* Routine implementing u-boot chpart command. Sets new current partition based
* on the user supplied partition id. For partition id format see find_dev_and_part().
*
* @param cmdtp command internal data
* @param flag command flag
* @param argc number of arguments supplied to the command
* @param argv arguments list
* @return 0 on success, 1 otherwise
*/
int do_jffs2_chpart(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
/* command line only */
struct mtd_device *dev;
struct part_info *part;
u8 pnum;
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if (mtdparts_init() !=0)
return 1;
if (argc < 2) {
printf("no partition id specified\n");
return 1;
}
if (find_dev_and_part(argv[1], &dev, &pnum, &part) != 0)
return 1;
current_dev = dev;
current_partnum = pnum;
current_save();
printf("partition changed to %s%d,%d\n",
MTD_DEV_TYPE(dev->id->type), dev->id->num, pnum);
return 0;
}
/**
* Routine implementing u-boot mtdparts command. Initialize/update default global
* partition list and process user partition request (list, add, del).
*
* @param cmdtp command internal data
* @param flag command flag
* @param argc number of arguments supplied to the command
* @param argv arguments list
* @return 0 on success, 1 otherwise
*/
int do_jffs2_mtdparts(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
if (argc == 2) {
if (strcmp(argv[1], "default") == 0) {
setenv("mtdids", (char *)mtdids_default);
setenv("mtdparts", (char *)mtdparts_default);
setenv("partition", NULL);
mtdparts_init();
return 0;
} else if (strcmp(argv[1], "delall") == 0) {
/* this may be the first run, initialize lists if needed */
mtdparts_init();
setenv("mtdparts", NULL);
/* devices_init() calls current_save() */
return devices_init();
}
/* make sure we are in sync with env variables */
if (mtdparts_init() != 0)
return 1;
if (argc == 1) {
list_partitions();
/* mtdparts add <mtd-dev> <size>[@<offset>] <name> [ro] */
if (((argc == 5) || (argc == 6)) && (strcmp(argv[1], "add") == 0)) {
#define PART_ADD_DESC_MAXLEN 64
char tmpbuf[PART_ADD_DESC_MAXLEN];
u8 type, num, len;
struct mtd_device *dev;
struct mtd_device *dev_tmp;
struct mtdids *id;
struct part_info *p;
if (id_parse(argv[2], NULL, &type, &num) != 0)
return 1;
if ((id = id_find(type, num)) == NULL) {
printf("no such device %s defined in mtdids variable\n", argv[2]);
return 1;
}
len = strlen(id->mtd_id) + 1; /* 'mtd_id:' */
len += strlen(argv[3]); /* size@offset */
len += strlen(argv[4]) + 2; /* '(' name ')' */
if (argv[5] && (strlen(argv[5]) == 2))
len += 2; /* 'ro' */
if (len >= PART_ADD_DESC_MAXLEN) {
printf("too long partition description\n");
return 1;
}
sprintf(tmpbuf, "%s:%s(%s)%s",
id->mtd_id, argv[3], argv[4], argv[5] ? argv[5] : "");
DEBUGF("add tmpbuf: %s\n", tmpbuf);
if ((device_parse(tmpbuf, NULL, &dev) != 0) || (!dev))
return 1;
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DEBUGF("+ %s\t%d\t%s\n", MTD_DEV_TYPE(dev->id->type),
dev->id->num, dev->id->mtd_id);
if ((dev_tmp = device_find(dev->id->type, dev->id->num)) == NULL) {
device_add(dev);
} else {
/* merge new partition with existing ones*/
p = list_entry(dev->parts.next, struct part_info, link);
if (part_add(dev_tmp, p) != 0) {
device_del(dev);
return 1;
}
}
if (generate_mtdparts_save(last_parts, MTDPARTS_MAXLEN) != 0) {
printf("generated mtdparts too long, reseting to null\n");
return 1;
}
return 0;
}
/* mtdparts del part-id */
if ((argc == 3) && (strcmp(argv[1], "del") == 0)) {
DEBUGF("del: part-id = %s\n", argv[2]);
return delete_partition(argv[2]);
}
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
#endif /* #ifdef CONFIG_JFFS2_CMDLINE */
/***************************************************/
U_BOOT_CMD(
fsload, 3, 0, do_jffs2_fsload,
"fsload\t- 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(
ls, 2, 1, do_jffs2_ls,
"ls\t- list files in a directory (default /)\n",
"[ directory ]\n"
" - list files in a directory.\n"
);
U_BOOT_CMD(
fsinfo, 1, 1, do_jffs2_fsinfo,
"fsinfo\t- print information about filesystems\n",
" - print information about filesystems\n"
);
#ifdef CONFIG_JFFS2_CMDLINE
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chpart, 2, 0, do_jffs2_chpart,
"chpart\t- change active partition\n",
"part-id\n"
" - change active partition (e.g. part-id = nand0,1)\n"
);
U_BOOT_CMD(
mtdparts, 6, 0, do_jffs2_mtdparts,
"mtdparts- define flash/nand partitions\n",
"\n"
" - list partition table\n"
"mtdparts delall\n"
" - delete all partitions\n"
"mtdparts del part-id\n"
" - delete partition (e.g. part-id = nand0,1)\n"
"mtdparts add <mtd-dev> <size>[@<offset>] [<name>] [ro]\n"
" - add partition\n"
"mtdparts default\n"
" - reset partition table to defaults\n\n"
"-----\n\n"
"this command uses three environment variables:\n\n"
"'partition' - keeps current partition identifier\n\n"
"partition := <part-id>\n"
"<part-id> := <dev-id>,part_num\n\n"
"'mtdids' - linux kernel mtd device id <-> u-boot device id mapping\n\n"
"mtdids=<idmap>[,<idmap>,...]\n\n"
"<idmap> := <dev-id>=<mtd-id>\n"
"<dev-id> := 'nand'|'nor'|'onenand'<dev-num>\n"
"<dev-num> := mtd device number, 0...\n"
"<mtd-id> := unique device tag used by linux kernel to find mtd device (mtd->name)\n\n"
"'mtdparts' - partition list\n\n"
"mtdparts=mtdparts=<mtd-def>[;<mtd-def>...]\n\n"
"<mtd-def> := <mtd-id>:<part-def>[,<part-def>...]\n"
"<mtd-id> := unique device tag used by linux kernel to find mtd device (mtd->name)\n"
"<part-def> := <size>[@<offset>][<name>][<ro-flag>]\n"
"<size> := standard linux memsize OR '-' to denote all remaining space\n"
"<offset> := partition start offset within the device\n"
"<name> := '(' NAME ')'\n"
"<ro-flag> := when set to 'ro' makes partition read-only (not used, passed to kernel)\n"
#endif /* #ifdef CONFIG_JFFS2_CMDLINE */
/***************************************************/