[MTD] Introduce writesize
At least two flashes exists that have the concept of a minimum write unit, similar to NAND pages, but no other NAND characteristics. Therefore, rename the minimum write unit to "writesize" for all flashes, including NAND. Signed-off-by: Joern Engel <joern@wh.fh-wedel.de>
This commit is contained in:
Joern Engel
parent
8ca9ed5db3
commit
28318776a8
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@ -545,12 +545,12 @@ static int cfi_intelext_partition_fixup(struct mtd_info *mtd,
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if (extp->MinorVersion >= '4') {
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struct cfi_intelext_programming_regioninfo *prinfo;
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prinfo = (struct cfi_intelext_programming_regioninfo *)&extp->extra[offs];
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MTD_PROGREGION_SIZE(mtd) = cfi->interleave << prinfo->ProgRegShift;
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mtd->writesize = cfi->interleave << prinfo->ProgRegShift;
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MTD_PROGREGION_CTRLMODE_VALID(mtd) = cfi->interleave * prinfo->ControlValid;
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MTD_PROGREGION_CTRLMODE_INVALID(mtd) = cfi->interleave * prinfo->ControlInvalid;
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mtd->flags |= MTD_PROGRAM_REGIONS;
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printk(KERN_DEBUG "%s: program region size/ctrl_valid/ctrl_inval = %d/%d/%d\n",
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map->name, MTD_PROGREGION_SIZE(mtd),
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map->name, mtd->writesize,
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MTD_PROGREGION_CTRLMODE_VALID(mtd),
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MTD_PROGREGION_CTRLMODE_INVALID(mtd));
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}
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@ -579,7 +579,7 @@ void DoC2k_init(struct mtd_info *mtd)
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mtd->ecctype = MTD_ECC_RS_DiskOnChip;
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mtd->size = 0;
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mtd->erasesize = 0;
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mtd->oobblock = 512;
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mtd->writesize = 512;
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mtd->oobsize = 16;
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mtd->owner = THIS_MODULE;
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mtd->erase = doc_erase;
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@ -361,7 +361,7 @@ void DoCMil_init(struct mtd_info *mtd)
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/* FIXME: erase size is not always 8KiB */
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mtd->erasesize = 0x2000;
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mtd->oobblock = 512;
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mtd->writesize = 512;
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mtd->oobsize = 16;
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mtd->owner = THIS_MODULE;
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mtd->erase = doc_erase;
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@ -483,7 +483,7 @@ void DoCMilPlus_init(struct mtd_info *mtd)
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mtd->size = 0;
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mtd->erasesize = 0;
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mtd->oobblock = 512;
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mtd->writesize = 512;
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mtd->oobsize = 16;
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mtd->owner = THIS_MODULE;
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mtd->erase = doc_erase;
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@ -278,9 +278,9 @@ concat_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
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return -EINVAL;
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/* Check alignment */
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if (mtd->oobblock > 1) {
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if (mtd->writesize > 1) {
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loff_t __to = to;
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if (do_div(__to, mtd->oobblock) || (total_len % mtd->oobblock))
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if (do_div(__to, mtd->writesize) || (total_len % mtd->writesize))
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return -EINVAL;
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}
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@ -334,7 +334,7 @@ concat_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
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*retlen += retsize;
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total_len -= wsize;
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if (concat->mtd.type == MTD_NANDFLASH && eccbuf)
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eccbuf += mtd->oobavail * (wsize / mtd->oobblock);
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eccbuf += mtd->oobavail * (wsize / mtd->writesize);
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if (total_len == 0)
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break;
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@ -833,7 +833,7 @@ struct mtd_info *mtd_concat_create(struct mtd_info *subdev[], /* subdevices to c
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concat->mtd.flags = subdev[0]->flags;
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concat->mtd.size = subdev[0]->size;
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concat->mtd.erasesize = subdev[0]->erasesize;
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concat->mtd.oobblock = subdev[0]->oobblock;
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concat->mtd.writesize = subdev[0]->writesize;
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concat->mtd.oobsize = subdev[0]->oobsize;
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concat->mtd.ecctype = subdev[0]->ecctype;
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concat->mtd.eccsize = subdev[0]->eccsize;
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@ -881,7 +881,7 @@ struct mtd_info *mtd_concat_create(struct mtd_info *subdev[], /* subdevices to c
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subdev[i]->flags & MTD_WRITEABLE;
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}
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concat->mtd.size += subdev[i]->size;
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if (concat->mtd.oobblock != subdev[i]->oobblock ||
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if (concat->mtd.writesize != subdev[i]->writesize ||
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concat->mtd.oobsize != subdev[i]->oobsize ||
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concat->mtd.ecctype != subdev[i]->ecctype ||
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concat->mtd.eccsize != subdev[i]->eccsize ||
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@ -398,7 +398,7 @@ int add_mtd_partitions(struct mtd_info *master,
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slave->mtd.type = master->type;
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slave->mtd.flags = master->flags & ~parts[i].mask_flags;
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slave->mtd.size = parts[i].size;
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slave->mtd.oobblock = master->oobblock;
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slave->mtd.writesize = master->writesize;
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slave->mtd.oobsize = master->oobsize;
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slave->mtd.oobavail = master->oobavail;
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slave->mtd.ecctype = master->ecctype;
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@ -356,9 +356,9 @@ static void au1550_command(struct mtd_info *mtd, unsigned command, int column, i
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if (command == NAND_CMD_SEQIN) {
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int readcmd;
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if (column >= mtd->oobblock) {
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if (column >= mtd->writesize) {
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/* OOB area */
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column -= mtd->oobblock;
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column -= mtd->writesize;
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readcmd = NAND_CMD_READOOB;
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} else if (column < 256) {
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/* First 256 bytes --> READ0 */
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@ -761,9 +761,9 @@ static void doc2001plus_command(struct mtd_info *mtd, unsigned command, int colu
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if (command == NAND_CMD_SEQIN) {
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int readcmd;
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if (column >= mtd->oobblock) {
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if (column >= mtd->writesize) {
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/* OOB area */
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column -= mtd->oobblock;
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column -= mtd->writesize;
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readcmd = NAND_CMD_READOOB;
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} else if (column < 256) {
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/* First 256 bytes --> READ0 */
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@ -1093,8 +1093,8 @@ static int __init find_media_headers(struct mtd_info *mtd, u_char *buf, const ch
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size_t retlen;
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for (offs = 0; offs < mtd->size; offs += mtd->erasesize) {
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ret = mtd->read(mtd, offs, mtd->oobblock, &retlen, buf);
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if (retlen != mtd->oobblock)
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ret = mtd->read(mtd, offs, mtd->writesize, &retlen, buf);
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if (retlen != mtd->writesize)
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continue;
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if (ret) {
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printk(KERN_WARNING "ECC error scanning DOC at 0x%x\n", offs);
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@ -1118,8 +1118,8 @@ static int __init find_media_headers(struct mtd_info *mtd, u_char *buf, const ch
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/* Only one mediaheader was found. We want buf to contain a
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mediaheader on return, so we'll have to re-read the one we found. */
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offs = doc->mh0_page << this->page_shift;
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ret = mtd->read(mtd, offs, mtd->oobblock, &retlen, buf);
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if (retlen != mtd->oobblock) {
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ret = mtd->read(mtd, offs, mtd->writesize, &retlen, buf);
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if (retlen != mtd->writesize) {
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/* Insanity. Give up. */
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printk(KERN_ERR "Read DiskOnChip Media Header once, but can't reread it???\n");
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return 0;
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@ -1139,7 +1139,7 @@ static inline int __init nftl_partscan(struct mtd_info *mtd, struct mtd_partitio
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unsigned blocks, maxblocks;
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int offs, numheaders;
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buf = kmalloc(mtd->oobblock, GFP_KERNEL);
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buf = kmalloc(mtd->writesize, GFP_KERNEL);
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if (!buf) {
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printk(KERN_ERR "DiskOnChip mediaheader kmalloc failed!\n");
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return 0;
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@ -1247,7 +1247,7 @@ static inline int __init inftl_partscan(struct mtd_info *mtd, struct mtd_partiti
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if (inftl_bbt_write)
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end -= (INFTL_BBT_RESERVED_BLOCKS << this->phys_erase_shift);
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buf = kmalloc(mtd->oobblock, GFP_KERNEL);
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buf = kmalloc(mtd->writesize, GFP_KERNEL);
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if (!buf) {
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printk(KERN_ERR "DiskOnChip mediaheader kmalloc failed!\n");
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return 0;
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@ -560,9 +560,9 @@ static void nand_command(struct mtd_info *mtd, unsigned command, int column, int
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if (command == NAND_CMD_SEQIN) {
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int readcmd;
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if (column >= mtd->oobblock) {
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if (column >= mtd->writesize) {
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/* OOB area */
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column -= mtd->oobblock;
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column -= mtd->writesize;
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readcmd = NAND_CMD_READOOB;
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} else if (column < 256) {
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/* First 256 bytes --> READ0 */
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@ -658,7 +658,7 @@ static void nand_command_lp(struct mtd_info *mtd, unsigned command, int column,
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/* Emulate NAND_CMD_READOOB */
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if (command == NAND_CMD_READOOB) {
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column += mtd->oobblock;
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column += mtd->writesize;
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command = NAND_CMD_READ0;
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}
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@ -889,7 +889,7 @@ static int nand_write_page(struct mtd_info *mtd, struct nand_chip *this, int pag
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/* No ecc, write all */
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case NAND_ECC_NONE:
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printk(KERN_WARNING "Writing data without ECC to NAND-FLASH is not recommended\n");
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this->write_buf(mtd, this->data_poi, mtd->oobblock);
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this->write_buf(mtd, this->data_poi, mtd->writesize);
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break;
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/* Software ecc 3/256, write all */
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@ -900,7 +900,7 @@ static int nand_write_page(struct mtd_info *mtd, struct nand_chip *this, int pag
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oob_buf[oob_config[eccidx]] = ecc_code[i];
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datidx += this->eccsize;
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}
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this->write_buf(mtd, this->data_poi, mtd->oobblock);
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this->write_buf(mtd, this->data_poi, mtd->writesize);
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break;
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default:
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eccbytes = this->eccbytes;
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@ -1161,9 +1161,9 @@ int nand_do_read_ecc(struct mtd_info *mtd, loff_t from, size_t len,
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page = realpage & this->pagemask;
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/* Get raw starting column */
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col = from & (mtd->oobblock - 1);
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col = from & (mtd->writesize - 1);
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end = mtd->oobblock;
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end = mtd->writesize;
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ecc = this->eccsize;
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eccbytes = this->eccbytes;
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@ -1321,7 +1321,7 @@ int nand_do_read_ecc(struct mtd_info *mtd, loff_t from, size_t len,
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buf[read++] = data_poi[j];
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this->pagebuf = realpage;
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} else
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read += mtd->oobblock;
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read += mtd->writesize;
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/* Apply delay or wait for ready/busy pin
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* Do this before the AUTOINCR check, so no problems
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@ -1479,7 +1479,7 @@ int nand_read_raw(struct mtd_info *mtd, uint8_t *buf, loff_t from, size_t len, s
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int chip = (int)(from >> this->chip_shift);
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int sndcmd = 1;
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int cnt = 0;
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int pagesize = mtd->oobblock + mtd->oobsize;
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int pagesize = mtd->writesize + mtd->oobsize;
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int blockcheck = (1 << (this->phys_erase_shift - this->page_shift)) - 1;
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/* Do not allow reads past end of device */
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@ -1581,7 +1581,7 @@ static u_char *nand_prepare_oobbuf(struct mtd_info *mtd, u_char *fsbuf, struct n
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return this->oob_buf;
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}
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#define NOTALIGNED(x) (x & (mtd->oobblock-1)) != 0
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#define NOTALIGNED(x) (x & (mtd->writesize-1)) != 0
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/**
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* nand_write - [MTD Interface] compability function for nand_write_ecc
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@ -1694,7 +1694,7 @@ static int nand_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,
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/* Next oob page */
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oob += mtd->oobsize;
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/* Update written bytes count */
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written += mtd->oobblock;
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written += mtd->writesize;
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if (written == len)
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goto cmp;
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@ -1805,7 +1805,7 @@ static int nand_write_oob(struct mtd_info *mtd, loff_t to, size_t len, size_t *r
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if (NAND_MUST_PAD(this)) {
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/* Write out desired data */
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this->cmdfunc(mtd, NAND_CMD_SEQIN, mtd->oobblock, page & this->pagemask);
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this->cmdfunc(mtd, NAND_CMD_SEQIN, mtd->writesize, page & this->pagemask);
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/* prepad 0xff for partial programming */
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this->write_buf(mtd, ffchars, column);
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/* write data */
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@ -1814,7 +1814,7 @@ static int nand_write_oob(struct mtd_info *mtd, loff_t to, size_t len, size_t *r
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this->write_buf(mtd, ffchars, mtd->oobsize - (len + column));
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} else {
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/* Write out desired data */
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this->cmdfunc(mtd, NAND_CMD_SEQIN, mtd->oobblock + column, page & this->pagemask);
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this->cmdfunc(mtd, NAND_CMD_SEQIN, mtd->writesize + column, page & this->pagemask);
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/* write data */
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this->write_buf(mtd, buf, len);
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}
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@ -1947,7 +1947,7 @@ static int nand_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, unsign
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/* If the given tuple is >= pagesize then
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* write it out from the iov
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*/
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if ((vecs->iov_len - len) >= mtd->oobblock) {
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if ((vecs->iov_len - len) >= mtd->writesize) {
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/* Calc number of pages we can write
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* out of this iov in one go */
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numpages = (vecs->iov_len - len) >> this->page_shift;
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@ -1967,8 +1967,8 @@ static int nand_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, unsign
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&oobbuf[oob], oobsel, i != numpages);
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if (ret)
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goto out;
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this->data_poi += mtd->oobblock;
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len += mtd->oobblock;
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this->data_poi += mtd->writesize;
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len += mtd->writesize;
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oob += mtd->oobsize;
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page++;
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}
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@ -1983,7 +1983,7 @@ static int nand_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, unsign
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* tuple until we have a full page to write
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*/
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int cnt = 0;
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while (cnt < mtd->oobblock) {
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while (cnt < mtd->writesize) {
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if (vecs->iov_base != NULL && vecs->iov_len)
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this->data_buf[cnt++] = ((u_char *) vecs->iov_base)[len++];
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/* Check, if we have to switch to the next tuple */
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@ -2009,7 +2009,7 @@ static int nand_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, unsign
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if (ret)
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goto out;
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written += mtd->oobblock * numpages;
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written += mtd->writesize * numpages;
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/* All done ? */
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if (!count)
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break;
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@ -2411,10 +2411,10 @@ int nand_scan(struct mtd_info *mtd, int maxchips)
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/* The 4th id byte is the important one */
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extid = this->read_byte(mtd);
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/* Calc pagesize */
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mtd->oobblock = 1024 << (extid & 0x3);
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mtd->writesize = 1024 << (extid & 0x3);
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extid >>= 2;
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/* Calc oobsize */
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mtd->oobsize = (8 << (extid & 0x01)) * (mtd->oobblock >> 9);
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mtd->oobsize = (8 << (extid & 0x01)) * (mtd->writesize >> 9);
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extid >>= 2;
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/* Calc blocksize. Blocksize is multiples of 64KiB */
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mtd->erasesize = (64 * 1024) << (extid & 0x03);
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@ -2426,8 +2426,8 @@ int nand_scan(struct mtd_info *mtd, int maxchips)
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/* Old devices have this data hardcoded in the
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* device id table */
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mtd->erasesize = nand_flash_ids[i].erasesize;
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mtd->oobblock = nand_flash_ids[i].pagesize;
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mtd->oobsize = mtd->oobblock / 32;
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mtd->writesize = nand_flash_ids[i].pagesize;
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mtd->oobsize = mtd->writesize / 32;
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busw = nand_flash_ids[i].options & NAND_BUSWIDTH_16;
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}
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@ -2451,12 +2451,12 @@ int nand_scan(struct mtd_info *mtd, int maxchips)
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}
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/* Calculate the address shift from the page size */
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this->page_shift = ffs(mtd->oobblock) - 1;
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this->page_shift = ffs(mtd->writesize) - 1;
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this->bbt_erase_shift = this->phys_erase_shift = ffs(mtd->erasesize) - 1;
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this->chip_shift = ffs(this->chipsize) - 1;
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/* Set the bad block position */
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this->badblockpos = mtd->oobblock > 512 ? NAND_LARGE_BADBLOCK_POS : NAND_SMALL_BADBLOCK_POS;
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this->badblockpos = mtd->writesize > 512 ? NAND_LARGE_BADBLOCK_POS : NAND_SMALL_BADBLOCK_POS;
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/* Get chip options, preserve non chip based options */
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this->options &= ~NAND_CHIPOPTIONS_MSK;
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@ -2476,7 +2476,7 @@ int nand_scan(struct mtd_info *mtd, int maxchips)
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this->erase_cmd = single_erase_cmd;
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/* Do not replace user supplied command function ! */
|
||||
if (mtd->oobblock > 512 && this->cmdfunc == nand_command)
|
||||
if (mtd->writesize > 512 && this->cmdfunc == nand_command)
|
||||
this->cmdfunc = nand_command_lp;
|
||||
|
||||
printk(KERN_INFO "NAND device: Manufacturer ID:"
|
||||
|
|
@ -2519,7 +2519,7 @@ int nand_scan(struct mtd_info *mtd, int maxchips)
|
|||
|
||||
if (!this->data_buf) {
|
||||
size_t len;
|
||||
len = mtd->oobblock + mtd->oobsize;
|
||||
len = mtd->writesize + mtd->oobsize;
|
||||
this->data_buf = kmalloc(len, GFP_KERNEL);
|
||||
if (!this->data_buf) {
|
||||
if (this->options & NAND_OOBBUF_ALLOC)
|
||||
|
|
@ -2575,9 +2575,9 @@ int nand_scan(struct mtd_info *mtd, int maxchips)
|
|||
|
||||
switch (this->eccmode) {
|
||||
case NAND_ECC_HW12_2048:
|
||||
if (mtd->oobblock < 2048) {
|
||||
if (mtd->writesize < 2048) {
|
||||
printk(KERN_WARNING "2048 byte HW ECC not possible on %d byte page size, fallback to SW ECC\n",
|
||||
mtd->oobblock);
|
||||
mtd->writesize);
|
||||
this->eccmode = NAND_ECC_SOFT;
|
||||
this->calculate_ecc = nand_calculate_ecc;
|
||||
this->correct_data = nand_correct_data;
|
||||
|
|
@ -2588,7 +2588,7 @@ int nand_scan(struct mtd_info *mtd, int maxchips)
|
|||
case NAND_ECC_HW3_512:
|
||||
case NAND_ECC_HW6_512:
|
||||
case NAND_ECC_HW8_512:
|
||||
if (mtd->oobblock == 256) {
|
||||
if (mtd->writesize == 256) {
|
||||
printk(KERN_WARNING "512 byte HW ECC not possible on 256 Byte pagesize, fallback to SW ECC \n");
|
||||
this->eccmode = NAND_ECC_SOFT;
|
||||
this->calculate_ecc = nand_calculate_ecc;
|
||||
|
|
@ -2638,16 +2638,16 @@ int nand_scan(struct mtd_info *mtd, int maxchips)
|
|||
/* Set the number of read / write steps for one page to ensure ECC generation */
|
||||
switch (this->eccmode) {
|
||||
case NAND_ECC_HW12_2048:
|
||||
this->eccsteps = mtd->oobblock / 2048;
|
||||
this->eccsteps = mtd->writesize / 2048;
|
||||
break;
|
||||
case NAND_ECC_HW3_512:
|
||||
case NAND_ECC_HW6_512:
|
||||
case NAND_ECC_HW8_512:
|
||||
this->eccsteps = mtd->oobblock / 512;
|
||||
this->eccsteps = mtd->writesize / 512;
|
||||
break;
|
||||
case NAND_ECC_HW3_256:
|
||||
case NAND_ECC_SOFT:
|
||||
this->eccsteps = mtd->oobblock / 256;
|
||||
this->eccsteps = mtd->writesize / 256;
|
||||
break;
|
||||
|
||||
case NAND_ECC_NONE:
|
||||
|
|
|
|||
|
|
@ -247,15 +247,15 @@ static int read_abs_bbts(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_des
|
|||
|
||||
/* Read the primary version, if available */
|
||||
if (td->options & NAND_BBT_VERSION) {
|
||||
nand_read_raw(mtd, buf, td->pages[0] << this->page_shift, mtd->oobblock, mtd->oobsize);
|
||||
td->version[0] = buf[mtd->oobblock + td->veroffs];
|
||||
nand_read_raw(mtd, buf, td->pages[0] << this->page_shift, mtd->writesize, mtd->oobsize);
|
||||
td->version[0] = buf[mtd->writesize + td->veroffs];
|
||||
printk(KERN_DEBUG "Bad block table at page %d, version 0x%02X\n", td->pages[0], td->version[0]);
|
||||
}
|
||||
|
||||
/* Read the mirror version, if available */
|
||||
if (md && (md->options & NAND_BBT_VERSION)) {
|
||||
nand_read_raw(mtd, buf, md->pages[0] << this->page_shift, mtd->oobblock, mtd->oobsize);
|
||||
md->version[0] = buf[mtd->oobblock + md->veroffs];
|
||||
nand_read_raw(mtd, buf, md->pages[0] << this->page_shift, mtd->writesize, mtd->oobsize);
|
||||
md->version[0] = buf[mtd->writesize + md->veroffs];
|
||||
printk(KERN_DEBUG "Bad block table at page %d, version 0x%02X\n", md->pages[0], md->version[0]);
|
||||
}
|
||||
|
||||
|
|
@ -298,8 +298,8 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
|
|||
readlen = bd->len;
|
||||
} else {
|
||||
/* Full page content should be read */
|
||||
scanlen = mtd->oobblock + mtd->oobsize;
|
||||
readlen = len * mtd->oobblock;
|
||||
scanlen = mtd->writesize + mtd->oobsize;
|
||||
readlen = len * mtd->writesize;
|
||||
ooblen = len * mtd->oobsize;
|
||||
}
|
||||
|
||||
|
|
@ -334,7 +334,7 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
|
|||
|
||||
/* Read the full oob until read_oob is fixed to
|
||||
* handle single byte reads for 16 bit buswidth */
|
||||
ret = mtd->read_oob(mtd, from + j * mtd->oobblock, mtd->oobsize, &retlen, buf);
|
||||
ret = mtd->read_oob(mtd, from + j * mtd->writesize, mtd->oobsize, &retlen, buf);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
|
|
@ -345,7 +345,7 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
|
|||
break;
|
||||
}
|
||||
} else {
|
||||
if (check_pattern(&buf[j * scanlen], scanlen, mtd->oobblock, bd)) {
|
||||
if (check_pattern(&buf[j * scanlen], scanlen, mtd->writesize, bd)) {
|
||||
this->bbt[i >> 3] |= 0x03 << (i & 0x6);
|
||||
printk(KERN_WARNING "Bad eraseblock %d at 0x%08x\n",
|
||||
i >> 1, (unsigned int)from);
|
||||
|
|
@ -381,7 +381,7 @@ static int search_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
|
|||
struct nand_chip *this = mtd->priv;
|
||||
int i, chips;
|
||||
int bits, startblock, block, dir;
|
||||
int scanlen = mtd->oobblock + mtd->oobsize;
|
||||
int scanlen = mtd->writesize + mtd->oobsize;
|
||||
int bbtblocks;
|
||||
|
||||
/* Search direction top -> down ? */
|
||||
|
|
@ -414,11 +414,11 @@ static int search_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
|
|||
for (block = 0; block < td->maxblocks; block++) {
|
||||
int actblock = startblock + dir * block;
|
||||
/* Read first page */
|
||||
nand_read_raw(mtd, buf, actblock << this->bbt_erase_shift, mtd->oobblock, mtd->oobsize);
|
||||
if (!check_pattern(buf, scanlen, mtd->oobblock, td)) {
|
||||
nand_read_raw(mtd, buf, actblock << this->bbt_erase_shift, mtd->writesize, mtd->oobsize);
|
||||
if (!check_pattern(buf, scanlen, mtd->writesize, td)) {
|
||||
td->pages[i] = actblock << (this->bbt_erase_shift - this->page_shift);
|
||||
if (td->options & NAND_BBT_VERSION) {
|
||||
td->version[i] = buf[mtd->oobblock + td->veroffs];
|
||||
td->version[i] = buf[mtd->writesize + td->veroffs];
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
|
@ -586,7 +586,7 @@ static int write_bbt(struct mtd_info *mtd, uint8_t *buf,
|
|||
/* Calc length */
|
||||
len = (size_t) (numblocks >> sft);
|
||||
/* Make it page aligned ! */
|
||||
len = (len + (mtd->oobblock - 1)) & ~(mtd->oobblock - 1);
|
||||
len = (len + (mtd->writesize - 1)) & ~(mtd->writesize - 1);
|
||||
/* Preset the buffer with 0xff */
|
||||
memset(buf, 0xff, len + (len >> this->page_shift) * mtd->oobsize);
|
||||
offs = 0;
|
||||
|
|
@ -1063,13 +1063,13 @@ int nand_default_bbt(struct mtd_info *mtd)
|
|||
this->bbt_md = &bbt_mirror_descr;
|
||||
}
|
||||
if (!this->badblock_pattern) {
|
||||
this->badblock_pattern = (mtd->oobblock > 512) ? &largepage_flashbased : &smallpage_flashbased;
|
||||
this->badblock_pattern = (mtd->writesize > 512) ? &largepage_flashbased : &smallpage_flashbased;
|
||||
}
|
||||
} else {
|
||||
this->bbt_td = NULL;
|
||||
this->bbt_md = NULL;
|
||||
if (!this->badblock_pattern) {
|
||||
this->badblock_pattern = (mtd->oobblock > 512) ?
|
||||
this->badblock_pattern = (mtd->writesize > 512) ?
|
||||
&largepage_memorybased : &smallpage_memorybased;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -369,7 +369,7 @@ init_nandsim(struct mtd_info *mtd)
|
|||
/* Initialize the NAND flash parameters */
|
||||
ns->busw = chip->options & NAND_BUSWIDTH_16 ? 16 : 8;
|
||||
ns->geom.totsz = mtd->size;
|
||||
ns->geom.pgsz = mtd->oobblock;
|
||||
ns->geom.pgsz = mtd->writesize;
|
||||
ns->geom.oobsz = mtd->oobsize;
|
||||
ns->geom.secsz = mtd->erasesize;
|
||||
ns->geom.pgszoob = ns->geom.pgsz + ns->geom.oobsz;
|
||||
|
|
|
|||
|
|
@ -487,7 +487,7 @@ static int rtc_from4_errstat(struct mtd_info *mtd, struct nand_chip *this, int s
|
|||
if (!(rtn & ERR_STAT_ECC_AVAILABLE)) {
|
||||
er_stat |= 1 << 1; /* err_ecc_not_avail */
|
||||
} else {
|
||||
len = mtd->oobblock;
|
||||
len = mtd->writesize;
|
||||
buf = kmalloc(len, GFP_KERNEL);
|
||||
if (!buf) {
|
||||
printk(KERN_ERR "rtc_from4_errstat: Out of memory!\n");
|
||||
|
|
|
|||
|
|
@ -354,7 +354,7 @@ static inline int onenand_bufferram_offset(struct mtd_info *mtd, int area)
|
|||
|
||||
if (ONENAND_CURRENT_BUFFERRAM(this)) {
|
||||
if (area == ONENAND_DATARAM)
|
||||
return mtd->oobblock;
|
||||
return mtd->writesize;
|
||||
if (area == ONENAND_SPARERAM)
|
||||
return mtd->oobsize;
|
||||
}
|
||||
|
|
@ -632,14 +632,14 @@ static int onenand_read_ecc(struct mtd_info *mtd, loff_t from, size_t len,
|
|||
/* TODO handling oob */
|
||||
|
||||
while (read < len) {
|
||||
thislen = min_t(int, mtd->oobblock, len - read);
|
||||
thislen = min_t(int, mtd->writesize, len - read);
|
||||
|
||||
column = from & (mtd->oobblock - 1);
|
||||
if (column + thislen > mtd->oobblock)
|
||||
thislen = mtd->oobblock - column;
|
||||
column = from & (mtd->writesize - 1);
|
||||
if (column + thislen > mtd->writesize)
|
||||
thislen = mtd->writesize - column;
|
||||
|
||||
if (!onenand_check_bufferram(mtd, from)) {
|
||||
this->command(mtd, ONENAND_CMD_READ, from, mtd->oobblock);
|
||||
this->command(mtd, ONENAND_CMD_READ, from, mtd->writesize);
|
||||
|
||||
ret = this->wait(mtd, FL_READING);
|
||||
/* First copy data and check return value for ECC handling */
|
||||
|
|
@ -752,7 +752,7 @@ static int onenand_read_oob(struct mtd_info *mtd, loff_t from, size_t len,
|
|||
/* Read more? */
|
||||
if (read < len) {
|
||||
/* Page size */
|
||||
from += mtd->oobblock;
|
||||
from += mtd->writesize;
|
||||
column = 0;
|
||||
}
|
||||
}
|
||||
|
|
@ -809,7 +809,7 @@ static int onenand_verify_page(struct mtd_info *mtd, u_char *buf, loff_t addr)
|
|||
void __iomem *dataram0, *dataram1;
|
||||
int ret = 0;
|
||||
|
||||
this->command(mtd, ONENAND_CMD_READ, addr, mtd->oobblock);
|
||||
this->command(mtd, ONENAND_CMD_READ, addr, mtd->writesize);
|
||||
|
||||
ret = this->wait(mtd, FL_READING);
|
||||
if (ret)
|
||||
|
|
@ -819,9 +819,9 @@ static int onenand_verify_page(struct mtd_info *mtd, u_char *buf, loff_t addr)
|
|||
|
||||
/* Check, if the two dataram areas are same */
|
||||
dataram0 = this->base + ONENAND_DATARAM;
|
||||
dataram1 = dataram0 + mtd->oobblock;
|
||||
dataram1 = dataram0 + mtd->writesize;
|
||||
|
||||
if (memcmp(dataram0, dataram1, mtd->oobblock))
|
||||
if (memcmp(dataram0, dataram1, mtd->writesize))
|
||||
return -EBADMSG;
|
||||
|
||||
return 0;
|
||||
|
|
@ -831,7 +831,7 @@ static int onenand_verify_page(struct mtd_info *mtd, u_char *buf, loff_t addr)
|
|||
#define onenand_verify_oob(...) (0)
|
||||
#endif
|
||||
|
||||
#define NOTALIGNED(x) ((x & (mtd->oobblock - 1)) != 0)
|
||||
#define NOTALIGNED(x) ((x & (mtd->writesize - 1)) != 0)
|
||||
|
||||
/**
|
||||
* onenand_write_ecc - [MTD Interface] OneNAND write with ECC
|
||||
|
|
@ -875,14 +875,14 @@ static int onenand_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,
|
|||
|
||||
/* Loop until all data write */
|
||||
while (written < len) {
|
||||
int thislen = min_t(int, mtd->oobblock, len - written);
|
||||
int thislen = min_t(int, mtd->writesize, len - written);
|
||||
|
||||
this->command(mtd, ONENAND_CMD_BUFFERRAM, to, mtd->oobblock);
|
||||
this->command(mtd, ONENAND_CMD_BUFFERRAM, to, mtd->writesize);
|
||||
|
||||
this->write_bufferram(mtd, ONENAND_DATARAM, buf, 0, thislen);
|
||||
this->write_bufferram(mtd, ONENAND_SPARERAM, ffchars, 0, mtd->oobsize);
|
||||
|
||||
this->command(mtd, ONENAND_CMD_PROG, to, mtd->oobblock);
|
||||
this->command(mtd, ONENAND_CMD_PROG, to, mtd->writesize);
|
||||
|
||||
onenand_update_bufferram(mtd, to, 1);
|
||||
|
||||
|
|
@ -1070,10 +1070,10 @@ static int onenand_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
|
|||
* If the given tuple is >= pagesize then
|
||||
* write it out from the iov
|
||||
*/
|
||||
if ((vecs->iov_len - len) >= mtd->oobblock) {
|
||||
if ((vecs->iov_len - len) >= mtd->writesize) {
|
||||
pbuf = vecs->iov_base + len;
|
||||
|
||||
len += mtd->oobblock;
|
||||
len += mtd->writesize;
|
||||
|
||||
/* Check, if we have to switch to the next tuple */
|
||||
if (len >= (int) vecs->iov_len) {
|
||||
|
|
@ -1083,8 +1083,8 @@ static int onenand_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
|
|||
}
|
||||
} else {
|
||||
int cnt = 0, thislen;
|
||||
while (cnt < mtd->oobblock) {
|
||||
thislen = min_t(int, mtd->oobblock - cnt, vecs->iov_len - len);
|
||||
while (cnt < mtd->writesize) {
|
||||
thislen = min_t(int, mtd->writesize - cnt, vecs->iov_len - len);
|
||||
memcpy(this->page_buf + cnt, vecs->iov_base + len, thislen);
|
||||
cnt += thislen;
|
||||
len += thislen;
|
||||
|
|
@ -1098,12 +1098,12 @@ static int onenand_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
|
|||
}
|
||||
}
|
||||
|
||||
this->command(mtd, ONENAND_CMD_BUFFERRAM, to, mtd->oobblock);
|
||||
this->command(mtd, ONENAND_CMD_BUFFERRAM, to, mtd->writesize);
|
||||
|
||||
this->write_bufferram(mtd, ONENAND_DATARAM, pbuf, 0, mtd->oobblock);
|
||||
this->write_bufferram(mtd, ONENAND_DATARAM, pbuf, 0, mtd->writesize);
|
||||
this->write_bufferram(mtd, ONENAND_SPARERAM, ffchars, 0, mtd->oobsize);
|
||||
|
||||
this->command(mtd, ONENAND_CMD_PROG, to, mtd->oobblock);
|
||||
this->command(mtd, ONENAND_CMD_PROG, to, mtd->writesize);
|
||||
|
||||
onenand_update_bufferram(mtd, to, 1);
|
||||
|
||||
|
|
@ -1121,9 +1121,9 @@ static int onenand_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
|
|||
goto out;
|
||||
}
|
||||
|
||||
written += mtd->oobblock;
|
||||
written += mtd->writesize;
|
||||
|
||||
to += mtd->oobblock;
|
||||
to += mtd->writesize;
|
||||
}
|
||||
|
||||
out:
|
||||
|
|
@ -1467,11 +1467,11 @@ static int do_otp_write(struct mtd_info *mtd, loff_t from, size_t len,
|
|||
int ret;
|
||||
|
||||
/* Force buffer page aligned */
|
||||
if (len < mtd->oobblock) {
|
||||
if (len < mtd->writesize) {
|
||||
memcpy(this->page_buf, buf, len);
|
||||
memset(this->page_buf + len, 0xff, mtd->oobblock - len);
|
||||
memset(this->page_buf + len, 0xff, mtd->writesize - len);
|
||||
pbuf = this->page_buf;
|
||||
len = mtd->oobblock;
|
||||
len = mtd->writesize;
|
||||
}
|
||||
|
||||
/* Enter OTP access mode */
|
||||
|
|
@ -1546,12 +1546,12 @@ static int onenand_otp_walk(struct mtd_info *mtd, loff_t from, size_t len,
|
|||
otp_pages = 10;
|
||||
|
||||
if (mode == MTD_OTP_FACTORY) {
|
||||
from += mtd->oobblock * otp_pages;
|
||||
from += mtd->writesize * otp_pages;
|
||||
otp_pages = 64 - otp_pages;
|
||||
}
|
||||
|
||||
/* Check User/Factory boundary */
|
||||
if (((mtd->oobblock * otp_pages) - (from + len)) < 0)
|
||||
if (((mtd->writesize * otp_pages) - (from + len)) < 0)
|
||||
return 0;
|
||||
|
||||
while (len > 0 && otp_pages > 0) {
|
||||
|
|
@ -1564,10 +1564,10 @@ static int onenand_otp_walk(struct mtd_info *mtd, loff_t from, size_t len,
|
|||
|
||||
otpinfo = (struct otp_info *) buf;
|
||||
otpinfo->start = from;
|
||||
otpinfo->length = mtd->oobblock;
|
||||
otpinfo->length = mtd->writesize;
|
||||
otpinfo->locked = 0;
|
||||
|
||||
from += mtd->oobblock;
|
||||
from += mtd->writesize;
|
||||
buf += sizeof(struct otp_info);
|
||||
*retlen += sizeof(struct otp_info);
|
||||
} else {
|
||||
|
|
@ -1811,15 +1811,15 @@ static int onenand_probe(struct mtd_info *mtd)
|
|||
|
||||
/* OneNAND page size & block size */
|
||||
/* The data buffer size is equal to page size */
|
||||
mtd->oobblock = this->read_word(this->base + ONENAND_REG_DATA_BUFFER_SIZE);
|
||||
mtd->oobsize = mtd->oobblock >> 5;
|
||||
mtd->writesize = this->read_word(this->base + ONENAND_REG_DATA_BUFFER_SIZE);
|
||||
mtd->oobsize = mtd->writesize >> 5;
|
||||
/* Pagers per block is always 64 in OneNAND */
|
||||
mtd->erasesize = mtd->oobblock << 6;
|
||||
mtd->erasesize = mtd->writesize << 6;
|
||||
|
||||
this->erase_shift = ffs(mtd->erasesize) - 1;
|
||||
this->page_shift = ffs(mtd->oobblock) - 1;
|
||||
this->page_shift = ffs(mtd->writesize) - 1;
|
||||
this->ppb_shift = (this->erase_shift - this->page_shift);
|
||||
this->page_mask = (mtd->erasesize / mtd->oobblock) - 1;
|
||||
this->page_mask = (mtd->erasesize / mtd->writesize) - 1;
|
||||
|
||||
/* REVIST: Multichip handling */
|
||||
|
||||
|
|
@ -1909,7 +1909,7 @@ int onenand_scan(struct mtd_info *mtd, int maxchips)
|
|||
/* Allocate buffers, if necessary */
|
||||
if (!this->page_buf) {
|
||||
size_t len;
|
||||
len = mtd->oobblock + mtd->oobsize;
|
||||
len = mtd->writesize + mtd->oobsize;
|
||||
this->page_buf = kmalloc(len, GFP_KERNEL);
|
||||
if (!this->page_buf) {
|
||||
printk(KERN_ERR "onenand_scan(): Can't allocate page_buf\n");
|
||||
|
|
|
|||
|
|
@ -87,13 +87,13 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
|
|||
|
||||
/* No need to read pages fully,
|
||||
* just read required OOB bytes */
|
||||
ret = mtd->read_oob(mtd, from + j * mtd->oobblock + bd->offs,
|
||||
ret = mtd->read_oob(mtd, from + j * mtd->writesize + bd->offs,
|
||||
readlen, &retlen, &buf[0]);
|
||||
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
if (check_short_pattern(&buf[j * scanlen], scanlen, mtd->oobblock, bd)) {
|
||||
if (check_short_pattern(&buf[j * scanlen], scanlen, mtd->writesize, bd)) {
|
||||
bbm->bbt[i >> 3] |= 0x03 << (i & 0x6);
|
||||
printk(KERN_WARNING "Bad eraseblock %d at 0x%08x\n",
|
||||
i >> 1, (unsigned int) from);
|
||||
|
|
|
|||
|
|
@ -1173,7 +1173,7 @@ int jffs2_nand_flash_setup(struct jffs2_sb_info *c)
|
|||
|
||||
/* Initialise write buffer */
|
||||
init_rwsem(&c->wbuf_sem);
|
||||
c->wbuf_pagesize = c->mtd->oobblock;
|
||||
c->wbuf_pagesize = c->mtd->writesize;
|
||||
c->wbuf_ofs = 0xFFFFFFFF;
|
||||
|
||||
c->wbuf = kmalloc(c->wbuf_pagesize, GFP_KERNEL);
|
||||
|
|
@ -1266,11 +1266,11 @@ void jffs2_nor_ecc_flash_cleanup(struct jffs2_sb_info *c) {
|
|||
|
||||
int jffs2_nor_wbuf_flash_setup(struct jffs2_sb_info *c) {
|
||||
/* Cleanmarker currently occupies a whole programming region */
|
||||
c->cleanmarker_size = MTD_PROGREGION_SIZE(c->mtd);
|
||||
c->cleanmarker_size = c->mtd->writesize;
|
||||
|
||||
/* Initialize write buffer */
|
||||
init_rwsem(&c->wbuf_sem);
|
||||
c->wbuf_pagesize = MTD_PROGREGION_SIZE(c->mtd);
|
||||
c->wbuf_pagesize = c->mtd->writesize;
|
||||
c->wbuf_ofs = 0xFFFFFFFF;
|
||||
|
||||
c->wbuf = kmalloc(c->wbuf_pagesize, GFP_KERNEL);
|
||||
|
|
|
|||
|
|
@ -66,8 +66,12 @@ struct mtd_info {
|
|||
* information below if they desire
|
||||
*/
|
||||
u_int32_t erasesize;
|
||||
/* Smallest availlable size for writing to the device. For NAND,
|
||||
* this is the page size, for some NOR chips, the size of ECC
|
||||
* covered blocks.
|
||||
*/
|
||||
u_int32_t writesize;
|
||||
|
||||
u_int32_t oobblock; // Size of OOB blocks (e.g. 512)
|
||||
u_int32_t oobsize; // Amount of OOB data per block (e.g. 16)
|
||||
u_int32_t ecctype;
|
||||
u_int32_t eccsize;
|
||||
|
|
@ -79,7 +83,6 @@ struct mtd_info {
|
|||
* MTD_PROGRAM_REGIONS flag is set.
|
||||
* (Maybe we should have an union for those?)
|
||||
*/
|
||||
#define MTD_PROGREGION_SIZE(mtd) (mtd)->oobblock
|
||||
#define MTD_PROGREGION_CTRLMODE_VALID(mtd) (mtd)->oobsize
|
||||
#define MTD_PROGREGION_CTRLMODE_INVALID(mtd) (mtd)->ecctype
|
||||
|
||||
|
|
|
|||
|
|
@ -63,7 +63,7 @@ struct mtd_info_user {
|
|||
uint32_t flags;
|
||||
uint32_t size; // Total size of the MTD
|
||||
uint32_t erasesize;
|
||||
uint32_t oobblock; // Size of OOB blocks (e.g. 512)
|
||||
uint32_t writesize;
|
||||
uint32_t oobsize; // Amount of OOB data per block (e.g. 16)
|
||||
uint32_t ecctype;
|
||||
uint32_t eccsize;
|
||||
|
|
|
|||
Loading…
Reference in New Issue