* mtdids=<idmap>[,<idmap>,...]
*
* <idmap> := <dev-id>=<mtd-id>
- * <dev-id> := 'nand'|'nor'<dev-num>
+ * <dev-id> := 'nand'|'nor'|'onenand'<dev-num>
* <dev-num> := mtd device number, 0...
* <mtd-id> := unique device tag used by linux kernel to find mtd device (mtd->name)
*
#include <command.h>
#include <malloc.h>
#include <jffs2/jffs2.h>
-#include <linux/mtd/nand.h>
#include <linux/list.h>
#include <linux/ctype.h>
+#include <cramfs/cramfs_fs.h>
-#if (CONFIG_COMMANDS & CFG_CMD_JFFS2)
+#if defined(CONFIG_CMD_NAND)
+#ifdef CONFIG_NAND_LEGACY
+#include <linux/mtd/nand_legacy.h>
+#else /* !CONFIG_NAND_LEGACY */
+#include <linux/mtd/nand.h>
+#include <nand.h>
+#endif /* !CONFIG_NAND_LEGACY */
+#endif
-#include <cramfs/cramfs_fs.h>
+#if defined(CONFIG_CMD_ONENAND)
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/onenand.h>
+#include <onenand_uboot.h>
+#endif
/* enable/disable debugging messages */
-#define DEBUG
-#undef DEBUG
+#define DEBUG_JFFS
+#undef DEBUG_JFFS
-#ifdef DEBUG
+#ifdef DEBUG_JFFS
# define DEBUGF(fmt, args...) printf(fmt ,##args)
#else
# define DEBUGF(fmt, args...)
/* this flag needs to be set in part_info struct mask_flags
* field for read-only partitions */
-#define MTD_WRITEABLE 1
+#define MTD_WRITEABLE_CMD 1
#ifdef CONFIG_JFFS2_CMDLINE
/* default values for mtdids and mtdparts variables */
static struct mtd_device *current_dev = NULL;
static u8 current_partnum = 0;
+#if defined(CONFIG_CMD_CRAMFS)
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);
+#else
+/* defining empty macros for function names is ugly but avoids ifdef clutter
+ * all over the code */
+#define cramfs_check(x) (0)
+#define cramfs_load(x,y,z) (-1)
+#define cramfs_ls(x,y) (0)
+#define cramfs_info(x) (0)
+#endif
static struct part_info* jffs2_part_info(struct mtd_device *dev, unsigned int part_num);
#define SIZE_KB ((u32)1024)
if ((size % SIZE_GB) == 0)
- sprintf(buf, "%lug", size/SIZE_GB);
+ sprintf(buf, "%ug", size/SIZE_GB);
else if ((size % SIZE_MB) == 0)
- sprintf(buf, "%lum", size/SIZE_MB);
+ sprintf(buf, "%um", size/SIZE_MB);
else if (size % SIZE_KB == 0)
- sprintf(buf, "%luk", size/SIZE_KB);
+ sprintf(buf, "%uk", size/SIZE_KB);
else
- sprintf(buf, "%lu", size);
+ sprintf(buf, "%u", size);
+}
+
+/**
+ * This routine does global indexing of all partitions. Resulting index for
+ * current partition is saved in 'mtddevnum'. Current partition name in
+ * 'mtddevname'.
+ */
+static void index_partitions(void)
+{
+ char buf[16];
+ u16 mtddevnum;
+ struct part_info *part;
+ struct list_head *dentry;
+ struct mtd_device *dev;
+
+ DEBUGF("--- index partitions ---\n");
+
+ if (current_dev) {
+ mtddevnum = 0;
+ list_for_each(dentry, &devices) {
+ dev = list_entry(dentry, struct mtd_device, link);
+ if (dev == current_dev) {
+ mtddevnum += current_partnum;
+ sprintf(buf, "%d", mtddevnum);
+ setenv("mtddevnum", buf);
+ break;
+ }
+ mtddevnum += dev->num_parts;
+ }
+
+ part = jffs2_part_info(current_dev, current_partnum);
+ setenv("mtddevname", part->name);
+
+ DEBUGF("=> mtddevnum %d,\n=> mtddevname %s\n", mtddevnum, part->name);
+ } else {
+ setenv("mtddevnum", NULL);
+ setenv("mtddevname", NULL);
+
+ DEBUGF("=> mtddevnum NULL\n=> mtddevname NULL\n");
+ }
}
/**
DEBUGF("=> partition NULL\n");
}
+ index_partitions();
}
/**
*/
static int part_validate_nor(struct mtdids *id, struct part_info *part)
{
-#if (CONFIG_COMMANDS & CFG_CMD_FLASH)
+#if defined(CONFIG_CMD_FLASH)
/* info for FLASH chips */
- extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+ extern flash_info_t flash_info[];
flash_info_t *flash;
int offset_aligned;
- u32 end_offset;
+ u32 end_offset, sector_size = 0;
int i;
flash = &flash_info[id->num];
+ /* size of last sector */
+ part->sector_size = flash->size -
+ (flash->start[flash->sector_count-1] - flash->start[0]);
+
offset_aligned = 0;
for (i = 0; i < flash->sector_count; i++) {
if ((flash->start[i] - flash->start[0]) == part->offset) {
}
end_offset = part->offset + part->size;
+ offset_aligned = 0;
for (i = 0; i < flash->sector_count; i++) {
+ if (i) {
+ sector_size = flash->start[i] - flash->start[i-1];
+ if (part->sector_size < sector_size)
+ part->sector_size = sector_size;
+ }
if ((flash->start[i] - flash->start[0]) == end_offset)
- return 0;
+ offset_aligned = 1;
}
- if (flash->size == end_offset)
+ if (offset_aligned || flash->size == end_offset)
return 0;
printf("%s%d: partition (%s) size alignment incorrect\n",
*/
static int part_validate_nand(struct mtdids *id, struct part_info *part)
{
-#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND)
+#if defined(CONFIG_JFFS2_NAND) && defined(CONFIG_CMD_NAND)
/* info for NAND chips */
- extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
- struct nand_chip *nand;
+ nand_info_t *nand;
+
+ nand = &nand_info[id->num];
- nand = &nand_dev_desc[id->num];
+ part->sector_size = nand->erasesize;
if ((unsigned long)(part->offset) % nand->erasesize) {
printf("%s%d: partition (%s) start offset alignment incorrect\n",
#endif
}
+/**
+ * Performs sanity check for supplied OneNAND flash partition.
+ * Table of existing OneNAND flash devices is searched and partition device
+ * is located. Alignment with the granularity of nand erasesize is verified.
+ *
+ * @param id of the parent device
+ * @param part partition to validate
+ * @return 0 if partition is valid, 1 otherwise
+ */
+static int part_validate_onenand(struct mtdids *id, struct part_info *part)
+{
+#if defined(CONFIG_CMD_ONENAND)
+ /* info for OneNAND chips */
+ struct mtd_info *mtd;
+
+ mtd = &onenand_mtd;
+
+ part->sector_size = mtd->erasesize;
+
+ if ((unsigned long)(part->offset) % mtd->erasesize) {
+ printf("%s%d: partition (%s) start offset"
+ "alignment incorrect\n",
+ MTD_DEV_TYPE(id->type), id->num, part->name);
+ return 1;
+ }
+
+ if (part->size % mtd->erasesize) {
+ printf("%s%d: partition (%s) size alignment incorrect\n",
+ MTD_DEV_TYPE(id->type), id->num, part->name);
+ return 1;
+ }
+
+ return 0;
+#else
+ return 1;
+#endif
+}
+
+
/**
* Performs sanity check for supplied partition. Offset and size are verified
* to be within valid range. Partition type is checked and either
part->size = id->size - part->offset;
if (part->offset > id->size) {
- printf("%s: offset %08lx beyond flash size %08lx\n",
+ printf("%s: offset %08x beyond flash size %08x\n",
id->mtd_id, part->offset, id->size);
return 1;
}
return part_validate_nand(id, part);
else if (id->type == MTD_DEV_TYPE_NOR)
return part_validate_nor(id, part);
+ else if (id->type == MTD_DEV_TYPE_ONENAND)
+ return part_validate_onenand(id, part);
else
DEBUGF("part_validate: invalid dev type\n");
*/
static int part_del(struct mtd_device *dev, struct part_info *part)
{
+ u8 current_save_needed = 0;
+
/* if there is only one partition, remove whole device */
if (dev->num_parts == 1)
return device_del(dev);
if (curr_pi == part) {
printf("current partition deleted, resetting current to 0\n");
current_partnum = 0;
- current_save();
} else if (part->offset <= curr_pi->offset) {
current_partnum--;
- current_save();
}
+ current_save_needed = 1;
}
}
-
+#ifdef CONFIG_NAND_LEGACY
jffs2_free_cache(part);
+#endif
list_del(&part->link);
free(part);
dev->num_parts--;
+ if (current_save_needed > 0)
+ current_save();
+ else
+ index_partitions();
+
return 0;
}
list_for_each_safe(entry, n, head) {
part_tmp = list_entry(entry, struct part_info, link);
+#ifdef CONFIG_NAND_LEGACY
jffs2_free_cache(part_tmp);
+#endif
list_del(entry);
free(part_tmp);
}
if (list_empty(&dev->parts)) {
DEBUGF("part_sort_add: list empty\n");
list_add(&part->link, &dev->parts);
+ dev->num_parts++;
+ index_partitions();
return 0;
}
if (new_pi->offset <= pi->offset) {
list_add_tail(&part->link, entry);
+ dev->num_parts++;
if (curr_pi && (pi->offset <= curr_pi->offset)) {
/* we are modyfing partitions for the current
* device, update current */
current_partnum++;
current_save();
+ } else {
+ index_partitions();
}
-
return 0;
}
}
+
list_add_tail(&part->link, &dev->parts);
+ dev->num_parts++;
+ index_partitions();
return 0;
}
if (part_sort_add(dev, part) != 0)
return 1;
- dev->num_parts++;
return 0;
}
/* test for options */
mask_flags = 0;
if (strncmp(p, "ro", 2) == 0) {
- mask_flags |= MTD_WRITEABLE;
+ mask_flags |= MTD_WRITEABLE_CMD;
p += 2;
}
static int device_validate(u8 type, u8 num, u32 *size)
{
if (type == MTD_DEV_TYPE_NOR) {
-#if (CONFIG_COMMANDS & CFG_CMD_FLASH)
- if (num < CFG_MAX_FLASH_BANKS) {
- extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+#if defined(CONFIG_CMD_FLASH)
+ if (num < CONFIG_SYS_MAX_FLASH_BANKS) {
+ extern flash_info_t flash_info[];
*size = flash_info[num].size;
+
return 0;
}
printf("no such FLASH device: %s%d (valid range 0 ... %d\n",
- MTD_DEV_TYPE(type), num, CFG_MAX_FLASH_BANKS - 1);
+ MTD_DEV_TYPE(type), num, CONFIG_SYS_MAX_FLASH_BANKS - 1);
#else
printf("support for FLASH devices not present\n");
#endif
} else if (type == MTD_DEV_TYPE_NAND) {
-#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND)
- if (num < CFG_MAX_NAND_DEVICE) {
- extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
+#if defined(CONFIG_JFFS2_NAND) && defined(CONFIG_CMD_NAND)
+ if (num < CONFIG_SYS_MAX_NAND_DEVICE) {
+#ifndef CONFIG_NAND_LEGACY
+ *size = nand_info[num].size;
+#else
+ extern struct nand_chip nand_dev_desc[CONFIG_SYS_MAX_NAND_DEVICE];
*size = nand_dev_desc[num].totlen;
+#endif
return 0;
}
printf("no such NAND device: %s%d (valid range 0 ... %d)\n",
- MTD_DEV_TYPE(type), num, CFG_MAX_NAND_DEVICE - 1);
+ MTD_DEV_TYPE(type), num, CONFIG_SYS_MAX_NAND_DEVICE - 1);
#else
printf("support for NAND devices not present\n");
#endif
- }
+ } else if (type == MTD_DEV_TYPE_ONENAND) {
+#if defined(CONFIG_CMD_ONENAND)
+ *size = onenand_mtd.size;
+ return 0;
+#else
+ printf("support for OneNAND devices not present\n");
+#endif
+ } else
+ printf("Unknown defice type %d\n", type);
return 1;
}
current_partnum = 0;
}
current_save();
+ return 0;
}
-
+ index_partitions();
return 0;
}
*/
static void device_add(struct mtd_device *dev)
{
+ u8 current_save_needed = 0;
+
if (list_empty(&devices)) {
current_dev = dev;
current_partnum = 0;
- current_save();
+ current_save_needed = 1;
}
list_add_tail(&dev->link, &devices);
+
+ if (current_save_needed > 0)
+ current_save();
+ else
+ index_partitions();
}
/**
}
memset(dev, 0, sizeof(struct mtd_device));
dev->id = id;
- dev->num_parts = num_parts;
+ dev->num_parts = 0; /* part_sort_add increments num_parts */
INIT_LIST_HEAD(&dev->parts);
INIT_LIST_HEAD(&dev->link);
*
* @return 0 on success, 1 otherwise
*/
-static int devices_init(void)
+static int jffs2_devices_init(void)
{
last_parts[0] = '\0';
current_dev = NULL;
#endif /* #ifdef CONFIG_JFFS2_CMDLINE */
/**
- * Parse device id string <dev-id> := 'nand'|'nor'<dev-num>, return device
- * type and number.
+ * Parse device id string <dev-id> := 'nand'|'nor'|'onenand'<dev-num>,
+ * return device type and number.
*
* @param id string describing device id
* @param ret_id output pointer to next char after parse completes (output)
} else if (strncmp(p, "nor", 3) == 0) {
*dev_type = MTD_DEV_TYPE_NOR;
p += 3;
+ } else if (strncmp(p, "onenand", 7) == 0) {
+ *dev_type = MTD_DEV_TYPE_ONENAND;
+ p += 7;
} else {
printf("incorrect device type in %s\n", id);
return 1;
}
/* ro mask flag */
- if (part->mask_flags && MTD_WRITEABLE) {
+ if (part->mask_flags && MTD_WRITEABLE_CMD) {
len = 2;
if (len > maxlen)
goto cleanup;
part_num = 0;
list_for_each(pentry, &dev->parts) {
part = list_entry(pentry, struct part_info, link);
- printf(" %d: %-22s\t0x%08x\t0x%08x\t%d\n",
+ printf("%2d: %-20s0x%08x\t0x%08x\t%d\n",
part_num, part->name, part->size,
part->offset, part->mask_flags);
if (current_dev) {
part = jffs2_part_info(current_dev, current_partnum);
if (part) {
- printf("\nactive partition: %s%d,%d - (%s) 0x%08lx @ 0x%08lx\n",
+ printf("\nactive partition: %s%d,%d - (%s) 0x%08x @ 0x%08x\n",
MTD_DEV_TYPE(current_dev->id->type),
current_dev->id->num, current_partnum,
part->name, part->size, part->offset);
* Given partition identifier in form of <dev_type><dev_num>,<part_num> find
* corresponding device and verify partition number.
*
- * @param id string describing device and partition
+ * @param id string describing device and partition or partition name
* @param dev pointer to the requested device (output)
* @param part_num verified partition number (output)
* @param part pointer to requested partition (output)
int find_dev_and_part(const char *id, struct mtd_device **dev,
u8 *part_num, struct part_info **part)
{
+ struct list_head *dentry, *pentry;
u8 type, dnum, pnum;
const char *p;
DEBUGF("--- find_dev_and_part ---\nid = %s\n", id);
+ list_for_each(dentry, &devices) {
+ *part_num = 0;
+ *dev = list_entry(dentry, struct mtd_device, link);
+ list_for_each(pentry, &(*dev)->parts) {
+ *part = list_entry(pentry, struct part_info, link);
+ if (strcmp((*part)->name, id) == 0)
+ return 0;
+ (*part_num)++;
+ }
+ }
+
p = id;
*dev = NULL;
*part = NULL;
DEBUGF("\n---parse_mtdparts---\nmtdparts = %s\n\n", p);
/* delete all devices and partitions */
- if (devices_init() != 0) {
+ if (jffs2_devices_init() != 0) {
printf("could not initialise device list\n");
return err;
}
- /* re-read 'mtdparts' variable, devices_init may be updating env */
+ /* re-read 'mtdparts' variable, jffs2_devices_init may be updating env */
p = getenv("mtdparts");
if (strncmp(p, "mtdparts=", 9) != 0) {
while(p && (*p != '\0')) {
ret = 1;
- /* parse 'nor'|'nand'<dev-num> */
+ /* parse 'nor'|'nand'|'onenand'<dev-num> */
if (id_parse(p, &p, &type, &num) != 0)
break;
ids_changed = 1;
if (parse_mtdids(ids) != 0) {
- device_delall(&devices);
+ jffs2_devices_init();
return 1;
}
/* mtdparts variable was reset to NULL, delete all devices/partitions */
if (!parts && (last_parts[0] != '\0'))
- return devices_init();
+ return jffs2_devices_init();
/* do not process current partition if mtdparts variable is null */
if (!parts)
* a single device configuration.
*/
+/**
+ * Calculate sector size.
+ *
+ * @return sector size
+ */
+static inline u32 get_part_sector_size_nand(struct mtdids *id)
+{
+#if defined(CONFIG_JFFS2_NAND) && defined(CONFIG_CMD_NAND)
+#if defined(CONFIG_NAND_LEGACY)
+ extern struct nand_chip nand_dev_desc[CONFIG_SYS_MAX_NAND_DEVICE];
+
+ return nand_dev_desc[id->num].erasesize;
+#else
+ nand_info_t *nand;
+
+ nand = &nand_info[id->num];
+
+ return nand->erasesize;
+#endif
+#else
+ BUG();
+ return 0;
+#endif
+}
+
+static inline u32 get_part_sector_size_nor(struct mtdids *id, struct part_info *part)
+{
+#if defined(CONFIG_CMD_FLASH)
+ extern flash_info_t flash_info[];
+
+ u32 end_phys, start_phys, sector_size = 0, size = 0;
+ int i;
+ flash_info_t *flash;
+
+ flash = &flash_info[id->num];
+
+ start_phys = flash->start[0] + part->offset;
+ end_phys = start_phys + part->size;
+
+ for (i = 0; i < flash->sector_count; i++) {
+ if (flash->start[i] >= end_phys)
+ break;
+
+ if (flash->start[i] >= start_phys) {
+ if (i == flash->sector_count - 1) {
+ size = flash->start[0] + flash->size - flash->start[i];
+ } else {
+ size = flash->start[i+1] - flash->start[i];
+ }
+
+ if (sector_size < size)
+ sector_size = size;
+ }
+ }
+
+ return sector_size;
+#else
+ BUG();
+ return 0;
+#endif
+}
+
+static inline u32 get_part_sector_size_onenand(void)
+{
+#if defined(CONFIG_CMD_ONENAND)
+ struct mtd_info *mtd;
+
+ mtd = &onenand_mtd;
+
+ return mtd->erasesize;
+#else
+ BUG();
+ return 0;
+#endif
+}
+
+static inline u32 get_part_sector_size(struct mtdids *id, struct part_info *part)
+{
+ if (id->type == MTD_DEV_TYPE_NAND)
+ return get_part_sector_size_nand(id);
+ else if (id->type == MTD_DEV_TYPE_NOR)
+ return get_part_sector_size_nor(id, part);
+ else if (id->type == MTD_DEV_TYPE_ONENAND)
+ return get_part_sector_size_onenand();
+ else
+ DEBUGF("Error: Unknown device type.\n");
+
+ return 0;
+}
+
/**
* Parse and initialize global mtdids mapping and create global
* device/partition list.
part->offset = 0x00000000;
#endif
+ part->sector_size = get_part_sector_size(id, part);
+
part->dev = current_dev;
INIT_LIST_HEAD(&part->link);
return !(size > 0);
}
- return 0;
+ return 1;
}
/**
ret = jffs2_1pass_ls(part, filename);
}
- return (ret == 1);
+ return ret ? 0 : 1;
}
- return 0;
+ return 1;
}
/**
ret = jffs2_1pass_info(part);
}
- return (ret == 1);
+ return ret ? 0 : 1;
}
- return 0;
+ return 1;
}
/* command line only */
setenv("mtdparts", NULL);
- /* devices_init() calls current_save() */
- return devices_init();
+ /* jffs2_devices_init() calls current_save() */
+ return jffs2_devices_init();
}
}
"'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'<dev-num>\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"
#endif /* #ifdef CONFIG_JFFS2_CMDLINE */
/***************************************************/
-
-#endif /* CFG_CMD_JFFS2 */
projects / oweals / u-boot.git / blobdiff