+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* $Id: cmdlinepart.c,v 1.17 2004/11/26 11:18:47 lavinen Exp $
* Copyright 2002 SYSGO Real-Time Solutions GmbH
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
/*
* mtdids=<idmap>[,<idmap>,...]
*
* <idmap> := <dev-id>=<mtd-id>
- * <dev-id> := 'nand'|'nor'|'onenand'<dev-num>
+ * <dev-id> := 'nand'|'nor'|'onenand'|'spi-nand'<dev-num>
* <dev-num> := mtd device number, 0...
* <mtd-id> := unique device tag used by linux kernel to find mtd device (mtd->name)
*
*
* 'mtdparts' - partition list
*
- * mtdparts=mtdparts=<mtd-def>[;<mtd-def>...]
+ * mtdparts=[mtdparts=]<mtd-def>[;<mtd-def>...]
*
* <mtd-def> := <mtd-id>:<part-def>[,<part-def>...]
* <mtd-id> := unique device tag used by linux kernel to find mtd device (mtd->name)
*
* 1 NOR Flash, with 1 single writable partition:
* mtdids=nor0=edb7312-nor
- * mtdparts=mtdparts=edb7312-nor:-
+ * mtdparts=[mtdparts=]edb7312-nor:-
*
* 1 NOR Flash with 2 partitions, 1 NAND with one
* mtdids=nor0=edb7312-nor,nand0=edb7312-nand
- * mtdparts=mtdparts=edb7312-nor:256k(ARMboot)ro,-(root);edb7312-nand:-(home)
+ * mtdparts=[mtdparts=]edb7312-nor:256k(ARMboot)ro,-(root);edb7312-nand:-(home)
*
*/
#include <common.h>
#include <command.h>
+#include <env.h>
+#include <log.h>
#include <malloc.h>
#include <jffs2/load_kernel.h>
#include <linux/list.h>
#include <linux/mtd/mtd.h>
#if defined(CONFIG_CMD_NAND)
-#include <linux/mtd/nand.h>
+#include <linux/mtd/rawnand.h>
#include <nand.h>
#endif
#define MTD_WRITEABLE_CMD 1
/* default values for mtdids and mtdparts variables */
-#if defined(MTDIDS_DEFAULT)
-static const char *const mtdids_default = MTDIDS_DEFAULT;
+#if !defined(MTDIDS_DEFAULT)
+#ifdef CONFIG_MTDIDS_DEFAULT
+#define MTDIDS_DEFAULT CONFIG_MTDIDS_DEFAULT
#else
-static const char *const mtdids_default = NULL;
+#define MTDIDS_DEFAULT NULL
#endif
-
-#if defined(MTDPARTS_DEFAULT)
-static const char *const mtdparts_default = MTDPARTS_DEFAULT;
+#endif
+#if !defined(MTDPARTS_DEFAULT)
+#ifdef CONFIG_MTDPARTS_DEFAULT
+#define MTDPARTS_DEFAULT CONFIG_MTDPARTS_DEFAULT
#else
-static const char *const mtdparts_default = NULL;
+#define MTDPARTS_DEFAULT NULL
+#endif
+#endif
+#if defined(CONFIG_SYS_MTDPARTS_RUNTIME)
+extern void board_mtdparts_default(const char **mtdids, const char **mtdparts);
#endif
+static const char *mtdids_default = MTDIDS_DEFAULT;
+static const char *mtdparts_default = MTDPARTS_DEFAULT;
/* copies of last seen 'mtdids', 'mtdparts' and 'partition' env variables */
#define MTDIDS_MAXLEN 128
#define MTDPARTS_MAXLEN 512
#define PARTITION_MAXLEN 16
-static char last_ids[MTDIDS_MAXLEN];
-static char last_parts[MTDPARTS_MAXLEN];
-static char last_partition[PARTITION_MAXLEN];
+static char last_ids[MTDIDS_MAXLEN + 1];
+static char last_parts[MTDPARTS_MAXLEN + 1];
+static char last_partition[PARTITION_MAXLEN + 1];
/* low level jffs2 cache cleaning routine */
extern void jffs2_free_cache(struct part_info *part);
struct mtd_device *current_mtd_dev = NULL;
u8 current_mtd_partnum = 0;
+u8 use_defaults;
+
static struct part_info* mtd_part_info(struct mtd_device *dev, unsigned int part_num);
/* command line only routines */
case 'G':
case 'g':
ret <<= 10;
+ /* Fallthrough */
case 'M':
case 'm':
ret <<= 10;
+ /* Fallthrough */
case 'K':
case 'k':
ret <<= 10;
(*retptr)++;
+ /* Fallthrough */
default:
break;
}
dev = list_entry(dentry, struct mtd_device, link);
if (dev == current_mtd_dev) {
mtddevnum += current_mtd_partnum;
- setenv_ulong("mtddevnum", mtddevnum);
+ env_set_ulong("mtddevnum", mtddevnum);
+ debug("=> mtddevnum %d,\n", mtddevnum);
break;
}
mtddevnum += dev->num_parts;
}
part = mtd_part_info(current_mtd_dev, current_mtd_partnum);
- setenv("mtddevname", part->name);
+ if (part) {
+ env_set("mtddevname", part->name);
- debug("=> mtddevnum %d,\n=> mtddevname %s\n", mtddevnum, part->name);
+ debug("=> mtddevname %s\n", part->name);
+ } else {
+ env_set("mtddevname", NULL);
+
+ debug("=> mtddevname NULL\n");
+ }
} else {
- setenv("mtddevnum", NULL);
- setenv("mtddevname", NULL);
+ env_set("mtddevnum", NULL);
+ env_set("mtddevname", NULL);
debug("=> mtddevnum NULL\n=> mtddevname NULL\n");
}
sprintf(buf, "%s%d,%d", MTD_DEV_TYPE(current_mtd_dev->id->type),
current_mtd_dev->id->num, current_mtd_partnum);
- setenv("partition", buf);
+ env_set("partition", buf);
strncpy(last_partition, buf, 16);
debug("=> partition %s\n", buf);
} else {
- setenv("partition", NULL);
+ env_set("partition", NULL);
last_partition[0] = '\0';
debug("=> partition NULL\n");
if (!mtd->numeraseregions) {
/*
- * Only one eraseregion (NAND, OneNAND or uniform NOR),
+ * Only one eraseregion (NAND, SPI-NAND, OneNAND or uniform NOR),
* checking for alignment is easy here
*/
offset = part->offset;
part->auto_name = 0;
} else {
/* auto generated name in form of size@offset */
- sprintf(part->name, "0x%08llx@0x%08llx", size, offset);
+ snprintf(part->name, name_len, "0x%08llx@0x%08llx", size, offset);
part->auto_name = 1;
}
return 1;
}
-#ifdef DEBUG
pend = strchr(p, ';');
-#endif
debug("dev type = %d (%s), dev num = %d, mtd-id = %s\n",
id->type, MTD_DEV_TYPE(id->type),
id->num, id->mtd_id);
debug("parsing partitions %.*s\n", (int)(pend ? pend - p : strlen(p)), p);
-
/* parse partitions */
num_parts = 0;
return 1;
}
- if (num_parts == 0) {
- printf("no partitions for device %s%d (%s)\n",
- MTD_DEV_TYPE(id->type), id->num, id->mtd_id);
- return 1;
- }
-
debug("\ntotal partitions: %d\n", num_parts);
/* check for next device presence */
}
/**
- * Parse device id string <dev-id> := 'nand'|'nor'|'onenand'<dev-num>,
+ * Parse device id string <dev-id> := 'nand'|'nor'|'onenand'|'spi-nand'<dev-num>,
* return device type and number.
*
* @param id string describing device id
} else if (strncmp(p, "onenand", 7) == 0) {
*dev_type = MTD_DEV_TYPE_ONENAND;
p += 7;
+ } else if (strncmp(p, "spi-nand", 8) == 0) {
+ *dev_type = MTD_DEV_TYPE_SPINAND;
+ p += 8;
} else {
printf("incorrect device type in %s\n", id);
return 1;
return 0;
}
- strcpy(p, "mtdparts=");
- p += 9;
-
list_for_each(dentry, &devices) {
dev = list_entry(dentry, struct mtd_device, link);
ret = generate_mtdparts(buf, buflen);
if ((buf[0] != '\0') && (ret == 0))
- setenv("mtdparts", buf);
+ env_set("mtdparts", buf);
else
- setenv("mtdparts", NULL);
+ env_set("mtdparts", NULL);
return ret;
}
{
uint64_t i, net_size = 0;
- if (!mtd->block_isbad)
+ if (!mtd->_block_isbad)
return part->size;
for (i = 0; i < part->size; i += mtd->erasesize) {
- if (!mtd->block_isbad(mtd, part->offset + i))
+ if (!mtd->_block_isbad(mtd, part->offset + i))
net_size += mtd->erasesize;
}
part = list_entry(pentry, struct part_info, link);
net_size = net_part_size(mtd, part);
size_note = part->size == net_size ? " " : " (!)";
- printf("%2d: %-20s0x%08x\t0x%08x%s\t0x%08x\t%d\n",
+ printf("%2d: %-20s0x%08llx\t0x%08x%s\t0x%08llx\t%d\n",
part_num, part->name, part->size,
net_size, size_note, part->offset,
part->mask_flags);
part = list_entry(pentry, struct part_info, link);
debug("spread_partitions: device = %s%d, partition %d ="
- " (%s) 0x%08x@0x%08x\n",
+ " (%s) 0x%08llx@0x%08llx\n",
MTD_DEV_TYPE(dev->id->type), dev->id->num,
part_num, part->name, part->size,
part->offset);
}
#endif /* CONFIG_CMD_MTDPARTS_SPREAD */
+/**
+ * The mtdparts variable tends to be long. If we need to access it
+ * before the env is relocated, then we need to use our own stack
+ * buffer. gd->env_buf will be too small.
+ *
+ * @param buf temporary buffer pointer MTDPARTS_MAXLEN long
+ * @return mtdparts variable string, NULL if not found
+ */
+static const char *env_get_mtdparts(char *buf)
+{
+ if (gd->flags & GD_FLG_ENV_READY)
+ return env_get("mtdparts");
+ if (env_get_f("mtdparts", buf, MTDPARTS_MAXLEN) != -1)
+ return buf;
+ return NULL;
+}
+
/**
* Accept character string describing mtd partitions and call device_parse()
* for each entry. Add created devices to the global devices list.
*/
static int parse_mtdparts(const char *const mtdparts)
{
- const char *p = mtdparts;
+ const char *p;
struct mtd_device *dev;
int err = 1;
char tmp_parts[MTDPARTS_MAXLEN];
- debug("\n---parse_mtdparts---\nmtdparts = %s\n\n", p);
+ debug("\n---parse_mtdparts---\nmtdparts = %s\n\n", mtdparts);
/* delete all devices and partitions */
if (mtd_devices_init() != 0) {
}
/* re-read 'mtdparts' variable, mtd_devices_init may be updating env */
- if (gd->flags & GD_FLG_ENV_READY) {
- p = getenv("mtdparts");
- } else {
- p = tmp_parts;
- getenv_f("mtdparts", tmp_parts, MTDPARTS_MAXLEN);
- }
+ p = env_get_mtdparts(tmp_parts);
+ if (!p)
+ p = mtdparts;
- if (strncmp(p, "mtdparts=", 9) != 0) {
- printf("mtdparts variable doesn't start with 'mtdparts='\n");
- return err;
- }
- p += 9;
+ /* Skip the useless prefix, if any */
+ if (strncmp(p, "mtdparts=", 9) == 0)
+ p += 9;
- while (p && (*p != '\0')) {
+ while (*p != '\0') {
err = 1;
if ((device_parse(p, &p, &dev) != 0) || (!dev))
break;
err = 0;
}
if (err == 1) {
+ free(dev);
device_delall(&devices);
- return 1;
}
- return 0;
+ return err;
}
/**
while(p && (*p != '\0')) {
ret = 1;
- /* parse 'nor'|'nand'|'onenand'<dev-num> */
+ /* parse 'nor'|'nand'|'onenand'|'spi-nand'<dev-num> */
if (mtd_id_parse(p, &p, &type, &num) != 0)
break;
return 0;
}
+
/**
* Parse and initialize global mtdids mapping and create global
* device/partition list.
const char *ids, *parts;
const char *current_partition;
int ids_changed;
- char tmp_ep[PARTITION_MAXLEN];
+ char tmp_ep[PARTITION_MAXLEN + 1];
char tmp_parts[MTDPARTS_MAXLEN];
debug("\n---mtdparts_init---\n");
if (!initialized) {
INIT_LIST_HEAD(&mtdids);
INIT_LIST_HEAD(&devices);
- memset(last_ids, 0, MTDIDS_MAXLEN);
- memset(last_parts, 0, MTDPARTS_MAXLEN);
- memset(last_partition, 0, PARTITION_MAXLEN);
+ memset(last_ids, 0, sizeof(last_ids));
+ memset(last_parts, 0, sizeof(last_parts));
+ memset(last_partition, 0, sizeof(last_partition));
+#if defined(CONFIG_SYS_MTDPARTS_RUNTIME)
+ board_mtdparts_default(&mtdids_default, &mtdparts_default);
+#endif
+ use_defaults = 1;
initialized = 1;
}
/* get variables */
- ids = getenv("mtdids");
- /*
- * The mtdparts variable tends to be long. If we need to access it
- * before the env is relocated, then we need to use our own stack
- * buffer. gd->env_buf will be too small.
- */
- if (gd->flags & GD_FLG_ENV_READY) {
- parts = getenv("mtdparts");
- } else {
- parts = tmp_parts;
- getenv_f("mtdparts", tmp_parts, MTDPARTS_MAXLEN);
- }
- current_partition = getenv("partition");
+ ids = env_get("mtdids");
+ parts = env_get_mtdparts(tmp_parts);
+ current_partition = env_get("partition");
/* save it for later parsing, cannot rely on current partition pointer
* as 'partition' variable may be updated during init */
- tmp_ep[0] = '\0';
+ memset(tmp_parts, 0, sizeof(tmp_parts));
+ memset(tmp_ep, 0, sizeof(tmp_ep));
if (current_partition)
strncpy(tmp_ep, current_partition, PARTITION_MAXLEN);
debug("last_partition : %s\n", last_partition);
debug("env_partition : %s\n", current_partition);
- /* if mtdids varible is empty try to use defaults */
+ /* if mtdids variable is empty try to use defaults */
if (!ids) {
if (mtdids_default) {
debug("mtdids variable not defined, using default\n");
ids = mtdids_default;
- setenv("mtdids", (char *)ids);
+ env_set("mtdids", (char *)ids);
} else {
printf("mtdids not defined, no default present\n");
return 1;
return 1;
}
- /* do no try to use defaults when mtdparts variable is not defined,
- * just check the length */
- if (!parts)
- printf("mtdparts variable not set, see 'help mtdparts'\n");
+ /* use defaults when mtdparts variable is not defined
+ * once mtdparts is saved environment, drop use_defaults flag */
+ if (!parts) {
+ if (mtdparts_default && use_defaults) {
+ parts = mtdparts_default;
+ if (env_set("mtdparts", (char *)parts) == 0)
+ use_defaults = 0;
+ } else
+ printf("mtdparts variable not set, see 'help mtdparts'\n");
+ }
if (parts && (strlen(parts) > MTDPARTS_MAXLEN - 1)) {
printf("mtdparts too long (> %d)\n", MTDPARTS_MAXLEN);
current_mtd_partnum = pnum;
current_save();
}
- } else if (getenv("partition") == NULL) {
+ } else if (env_get("partition") == NULL) {
debug("no partition variable set, setting...\n");
current_save();
}
* @param argv arguments list
* @return 0 on success, 1 otherwise
*/
-static int do_chpart(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_chpart(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
{
/* command line only */
struct mtd_device *dev;
* @param argv arguments list
* @return 0 on success, 1 otherwise
*/
-static int do_mtdparts(cmd_tbl_t *cmdtp, int flag, int argc,
- char * const argv[])
+static int do_mtdparts(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
{
if (argc == 2) {
if (strcmp(argv[1], "default") == 0) {
- setenv("mtdids", (char *)mtdids_default);
- setenv("mtdparts", (char *)mtdparts_default);
- setenv("partition", NULL);
+ env_set("mtdids", NULL);
+ env_set("mtdparts", NULL);
+ env_set("partition", NULL);
+ use_defaults = 1;
mtdparts_init();
return 0;
/* this may be the first run, initialize lists if needed */
mtdparts_init();
- setenv("mtdparts", NULL);
+ env_set("mtdparts", NULL);
/* mtd_devices_init() calls current_save() */
return mtd_devices_init();
if (!strcmp(&argv[1][3], ".spread")) {
spread_partition(mtd, p, &next_offset);
- debug("increased %s to %d bytes\n", p->name, p->size);
+ debug("increased %s to %llu bytes\n", p->name, p->size);
}
#endif
"'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-id> := 'nand'|'nor'|'onenand'|'spi-nand'<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"
projects / oweals / u-boot.git / blobdiff