diff options
| -rw-r--r-- | CHANGELOG | 2 | ||||
| -rw-r--r-- | common/cmd_jffs2.c | 78 |
2 files changed, 71 insertions, 9 deletions
@@ -2,6 +2,8 @@ Changes for U-Boot 1.1.4: ====================================================================== +* Added support for mtddevnum and mtddevname variables (mtdparts command) + * Change default console baud rate for stxxtc board * Add I2C support to TQM8540 and TQM8560 boards (EEPROM, RTC, LM75-DTT). diff --git a/common/cmd_jffs2.c b/common/cmd_jffs2.c index 7ab6e9c..fda0c95 100644 --- a/common/cmd_jffs2.c +++ b/common/cmd_jffs2.c @@ -238,6 +238,46 @@ static void memsize_format(char *buf, u32 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'. */ static void current_save(void) @@ -260,6 +300,7 @@ static void current_save(void) DEBUGF("=> partition NULL\n"); } + index_partitions(); } /** @@ -398,6 +439,8 @@ static int part_validate(struct mtdids *id, struct part_info *part) */ 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); @@ -414,20 +457,23 @@ static int part_del(struct mtd_device *dev, struct part_info *part) 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; } } - jffs2_free_cache(part); list_del(&part->link); free(part); dev->num_parts--; + if (current_save_needed > 0) + current_save(); + else + index_partitions(); + return 0; } @@ -469,6 +515,8 @@ static int part_sort_add(struct mtd_device *dev, struct part_info *part) 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; } @@ -492,18 +540,23 @@ static int part_sort_add(struct mtd_device *dev, struct part_info *part) 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; } @@ -524,7 +577,6 @@ static int part_add(struct mtd_device *dev, struct part_info *part) if (part_sort_add(dev, part) != 0) return 1; - dev->num_parts++; return 0; } @@ -735,9 +787,10 @@ static int device_del(struct mtd_device *dev) current_partnum = 0; } current_save(); + return 0; } - + index_partitions(); return 0; } @@ -771,13 +824,20 @@ static struct mtd_device* device_find(u8 type, u8 num) */ 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(); } /** @@ -896,7 +956,7 @@ static int device_parse(const char *const mtd_dev, const char **ret, struct mtd_ } 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); @@ -1548,7 +1608,7 @@ int mtdparts_init(void) ids_changed = 1; if (parse_mtdids(ids) != 0) { - device_delall(&devices); + devices_init(); return 1; } |