u-boot/cmd/mtdparts.c

45  * 'mtdparts' - partition list
47  * mtdparts=[mtdparts=]<mtd-def>[;<mtd-def>...]
58  * - each <mtd-id> used in mtdparts must albo exist in 'mtddis' mapping
65  * mtdparts=[mtdparts=]edb7312-nor:-
69  * mtdparts=[mtdparts=]edb7312-nor:256k(ARMboot)ro,-(root);edb7312-nand:-(home)
113 /* default values for mtdids and mtdparts variables */
126 extern void board_mtdparts_default(const char **mtdids, const char **mtdparts);
131 /* copies of last seen 'mtdids', 'mtdparts' and 'partition' env variables */
1077  * Process all devices and generate corresponding mtdparts string describing
1080  * @param buf output buffer holding generated mtdparts string (output)
1203  * mtdparts string, save it in mtdparts environment variable.
1205  * @param buf output buffer holding generated mtdparts string (output)
1216 		env_set("mtdparts", buf);
1218 		env_set("mtdparts", NULL);
1329 	 * if default mtdparts string is greater than console
1332 	puts("mtdparts: ");
1423 			printf("generated mtdparts too long, resetting to null\n");
1478  * as big as their mtdparts environment variable sizes and they each start
1521 		printf("generated mtdparts too long, resetting to null\n");
1529  * The mtdparts variable tends to be long. If we need to access it
1534  * Return: mtdparts variable string, NULL if not found
1539 		return env_get("mtdparts");
1540 	if (env_get_f("mtdparts", buf, MTDPARTS_MAXLEN) != -1)
1549  * @param mtdparts string specifing mtd partitions
1552 static int parse_mtdparts(const char *const mtdparts)
1559 	debug("\n---parse_mtdparts---\nmtdparts = %s\n\n", mtdparts);
1567 	/* re-read 'mtdparts' variable, mtd_devices_init may be updating env */
1570 		p = mtdparts;
1573 	if (strncmp(p, "mtdparts=", 9) == 0)
1586 			printf("device %s%d redefined, please correct mtdparts variable\n",
1779 	/* use defaults when mtdparts variable is not defined
1780 	 * once mtdparts is saved environment, drop use_defaults flag */
1784 			if (env_set("mtdparts", (char *)parts) == 0)
1787 			printf("mtdparts variable not set, see 'help mtdparts'\n");
1791 		printf("mtdparts too long (> %d)\n", MTDPARTS_MAXLEN);
1810 	/* parse partitions if either mtdparts or mtdids were updated */
1833 	/* mtdparts variable was reset to NULL, delete all devices/partitions */
1837 	/* do not process current partition if mtdparts variable is null */
1947  * Routine implementing u-boot mtdparts command. Initialize/update default global
1962 			env_set("mtdparts", NULL);
1972 			env_set("mtdparts", NULL);
1988 	/* mtdparts add <mtd-dev> <size>[@<offset>] <name> [ro] */
2052 			printf("generated mtdparts too long, resetting to null\n");
2059 	/* mtdparts del part-id */
2082 U_BOOT_LONGHELP(mtdparts,
2085 	"mtdparts delall\n"
2087 	"mtdparts del part-id\n"
2089 	"mtdparts add <mtd-dev> <size>[@<offset>] [<name>] [ro]\n"
2092 	"mtdparts add.spread <mtd-dev> <size>[@<offset>] [<name>] [ro]\n"
2095 	"mtdparts default\n"
2098 	"mtdparts spread\n"
2100 	"      at least as big as the mtdparts variable specifies\n"
2116 	"'mtdparts' - partition list\n\n"
2117 	"mtdparts=mtdparts=<mtd-def>[;<mtd-def>...]\n\n"
2127 	mtdparts,	6,	0,	do_mtdparts,