void cmd_yaffs_dev_ls(void)
{
struct yaffs_dev *dev;
int flash_dev;
int free_space;
yaffs_dev_rewind();
while (1) {
dev = yaffs_next_dev();
if (!dev)
return;
flash_dev =
((unsigned) dev->driver_context - (unsigned) nand_info)/
sizeof(nand_info[0]);
printf("%-10s %5d 0x%05x 0x%05x %s",
dev->param.name, flash_dev,
dev->param.start_block, dev->param.end_block,
dev->param.inband_tags ? "using inband tags, " : "");
free_space = yaffs_freespace(dev->param.name);
if (free_space < 0)
printf("not mounted\n");
else
printf("free 0x%x\n", free_space);
}
}
static void *bg_gc_func(void *dummy)
{
struct yaffs_dev *dev;
int urgent = 0;
int result;
int next_urgent;
/* Sleep for a bit to allow start up */
sleep(2);
while (1) {
/* Iterate through devices, do bg gc updating ungency */
yaffs_dev_rewind();
next_urgent = 0;
while ((dev = yaffs_next_dev()) != NULL) {
result = yaffs_do_background_gc_reldev(dev, urgent);
if (result > 0) {
next_urgent = 1;
}
}
urgent = next_urgent;
if (next_urgent) {
sleep(1);
} else {
sleep(5);
}
}
/* Don't ever return. */
return NULL;
}
void cmd_yaffs_devconfig(char *_mp, int flash_dev,
int start_block, int end_block)
{
struct mtd_info *mtd = NULL;
struct yaffs_dev *dev = NULL;
struct yaffs_dev *chk;
char *mp = NULL;
struct nand_chip *chip;
dev = calloc(1, sizeof(*dev));
mp = strdup(_mp);
mtd = &nand_info[flash_dev];
if (!dev || !mp) {
/* Alloc error */
printf("Failed to allocate memory\n");
goto err;
}
if (flash_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
printf("Flash device invalid\n");
goto err;
}
if (end_block == 0)
end_block = mtd->size / mtd->erasesize - 1;
if (end_block < start_block) {
printf("Bad start/end\n");
goto err;
}
chip = mtd->priv;
/* Check for any conflicts */
yaffs_dev_rewind();
while (1) {
chk = yaffs_next_dev();
if (!chk)
break;
if (strcmp(chk->param.name, mp) == 0) {
printf("Mount point name already used\n");
goto err;
}
if (chk->driver_context == mtd &&
yaffs_regions_overlap(
chk->param.start_block, chk->param.end_block,
start_block, end_block)) {
printf("Region overlaps with partition %s\n",
chk->param.name);
goto err;
}
}
/* Seems sane, so configure */
memset(dev, 0, sizeof(*dev));
dev->param.name = mp;
dev->driver_context = mtd;
dev->param.start_block = start_block;
dev->param.end_block = end_block;
dev->param.chunks_per_block = mtd->erasesize / mtd->writesize;
dev->param.total_bytes_per_chunk = mtd->writesize;
dev->param.is_yaffs2 = 1;
dev->param.use_nand_ecc = 1;
dev->param.n_reserved_blocks = 5;
if (chip->ecc.layout->oobavail < sizeof(struct yaffs_packed_tags2))
dev->param.inband_tags = 1;
dev->param.n_caches = 10;
dev->param.write_chunk_tags_fn = nandmtd2_write_chunk_tags;
dev->param.read_chunk_tags_fn = nandmtd2_read_chunk_tags;
dev->param.erase_fn = nandmtd_EraseBlockInNAND;
dev->param.initialise_flash_fn = nandmtd_InitialiseNAND;
dev->param.bad_block_fn = nandmtd2_MarkNANDBlockBad;
dev->param.query_block_fn = nandmtd2_QueryNANDBlock;
yaffs_add_device(dev);
printf("Configures yaffs mount %s: dev %d start block %d, end block %d %s\n",
mp, flash_dev, start_block, end_block,
dev->param.inband_tags ? "using inband tags" : "");
return;
err:
free(dev);
free(mp);
}