#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_NAND)
+#ifdef CFG_NAND_LEGACY
+#include <linux/mtd/nand_legacy.h>
+#else /* !CFG_NAND_LEGACY */
+#include <linux/mtd/nand.h>
+#include <nand.h>
+#endif /* !CFG_NAND_LEGACY */
+#endif /* (CONFIG_COMMANDS & CFG_CMD_NAND) */
/* 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 */
sprintf(buf, "%lu", 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");
+ }
+}
+
/**
* Save current device and partition in environment variable 'partition'.
*/
DEBUGF("=> partition NULL\n");
}
+ index_partitions();
}
/**
{
#if (CONFIG_COMMANDS & CFG_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;
{
#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_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_dev_desc[id->num];
+ nand = &nand_info[id->num];
if ((unsigned long)(part->offset) % nand->erasesize) {
printf("%s%d: partition (%s) start offset alignment incorrect\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 CFG_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 CFG_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;
}
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];
+ extern flash_info_t flash_info[];
*size = flash_info[num].size;
+
return 0;
}
} else if (type == MTD_DEV_TYPE_NAND) {
#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND)
if (num < CFG_MAX_NAND_DEVICE) {
+#ifndef CFG_NAND_LEGACY
+ *size = nand_info[num].size;
+#else
extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
*size = nand_dev_desc[num].totlen;
+#endif
return 0;
}
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);
}
/* 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);
* 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;
ids_changed = 1;
if (parse_mtdids(ids) != 0) {
- device_delall(&devices);
+ devices_init();
return 1;
}
projects / karo-tx-uboot.git / blobdiff