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mtd: nand: Remove nand_info_t typedef
This typedef serves no purpose other than causing confusion with struct nand_chip. Signed-off-by: Scott Wood <oss@buserror.net>
This commit is contained in:
Scott Wood
parent
ea7d1eec66
commit
151c06ec61
15 changed files with 251 additions and 249 deletions
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@ -42,25 +42,26 @@ typedef struct mtd_info mtd_info_t;
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* nand_erase_opts: - erase NAND flash with support for various options
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* (jffs2 formatting)
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*
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* @param meminfo NAND device to erase
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* @param mtd nand mtd instance to erase
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* @param opts options, @see struct nand_erase_options
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* @return 0 in case of success
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*
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* This code is ported from flash_eraseall.c from Linux mtd utils by
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* Arcom Control System Ltd.
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*/
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int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts)
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int nand_erase_opts(struct mtd_info *mtd,
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const nand_erase_options_t *opts)
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{
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struct jffs2_unknown_node cleanmarker;
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erase_info_t erase;
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unsigned long erase_length, erased_length; /* in blocks */
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int result;
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int percent_complete = -1;
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const char *mtd_device = meminfo->name;
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const char *mtd_device = mtd->name;
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struct mtd_oob_ops oob_opts;
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struct nand_chip *chip = meminfo->priv;
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struct nand_chip *chip = mtd->priv;
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if ((opts->offset & (meminfo->erasesize - 1)) != 0) {
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if ((opts->offset & (mtd->erasesize - 1)) != 0) {
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printf("Attempt to erase non block-aligned data\n");
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return -1;
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}
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@ -68,11 +69,11 @@ int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts)
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memset(&erase, 0, sizeof(erase));
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memset(&oob_opts, 0, sizeof(oob_opts));
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erase.mtd = meminfo;
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erase.len = meminfo->erasesize;
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erase.mtd = mtd;
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erase.len = mtd->erasesize;
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erase.addr = opts->offset;
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erase_length = lldiv(opts->length + meminfo->erasesize - 1,
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meminfo->erasesize);
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erase_length = lldiv(opts->length + mtd->erasesize - 1,
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mtd->erasesize);
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cleanmarker.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
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cleanmarker.nodetype = cpu_to_je16(JFFS2_NODETYPE_CLEANMARKER);
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@ -97,7 +98,7 @@ int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts)
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for (erased_length = 0;
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erased_length < erase_length;
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erase.addr += meminfo->erasesize) {
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erase.addr += mtd->erasesize) {
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WATCHDOG_RESET();
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@ -106,7 +107,7 @@ int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts)
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return -EFBIG;
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}
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if (!opts->scrub) {
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int ret = mtd_block_isbad(meminfo, erase.addr);
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int ret = mtd_block_isbad(mtd, erase.addr);
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if (ret > 0) {
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if (!opts->quiet)
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printf("\rSkipping bad block at "
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@ -129,7 +130,7 @@ int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts)
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erased_length++;
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result = mtd_erase(meminfo, &erase);
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result = mtd_erase(mtd, &erase);
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if (result != 0) {
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printf("\n%s: MTD Erase failure: %d\n",
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mtd_device, result);
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@ -145,9 +146,7 @@ int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts)
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ops.ooboffs = 0;
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ops.mode = MTD_OPS_AUTO_OOB;
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result = mtd_write_oob(meminfo,
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erase.addr,
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&ops);
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result = mtd_write_oob(mtd, erase.addr, &ops);
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if (result != 0) {
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printf("\n%s: MTD writeoob failure: %d\n",
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mtd_device, result);
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@ -303,7 +302,7 @@ int nand_get_lock_status(struct mtd_info *mtd, loff_t offset)
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* @param mtd nand mtd instance
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* @param start start byte address
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* @param length number of bytes to unlock (must be a multiple of
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* page size nand->writesize)
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* page size mtd->writesize)
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* @param allexcept if set, unlock everything not selected
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*
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* @return 0 on success, -1 in case of error
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@ -399,7 +398,7 @@ int nand_unlock(struct mtd_info *mtd, loff_t start, size_t length,
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* Check if there are any bad blocks, and whether length including bad
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* blocks fits into device
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*
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* @param nand NAND device
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* @param mtd nand mtd instance
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* @param offset offset in flash
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* @param length image length
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* @param used length of flash needed for the requested length
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@ -407,8 +406,8 @@ int nand_unlock(struct mtd_info *mtd, loff_t start, size_t length,
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* 1 if the image fits, but there are bad blocks
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* -1 if the image does not fit
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*/
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static int check_skip_len(nand_info_t *nand, loff_t offset, size_t length,
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size_t *used)
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static int check_skip_len(struct mtd_info *mtd, loff_t offset, size_t length,
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size_t *used)
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{
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size_t len_excl_bad = 0;
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int ret = 0;
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@ -417,14 +416,14 @@ static int check_skip_len(nand_info_t *nand, loff_t offset, size_t length,
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size_t block_len, block_off;
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loff_t block_start;
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if (offset >= nand->size)
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if (offset >= mtd->size)
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return -1;
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block_start = offset & ~(loff_t)(nand->erasesize - 1);
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block_off = offset & (nand->erasesize - 1);
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block_len = nand->erasesize - block_off;
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block_start = offset & ~(loff_t)(mtd->erasesize - 1);
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block_off = offset & (mtd->erasesize - 1);
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block_len = mtd->erasesize - block_off;
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if (!nand_block_isbad(nand, block_start))
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if (!nand_block_isbad(mtd, block_start))
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len_excl_bad += block_len;
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else
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ret = 1;
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@ -441,7 +440,7 @@ static int check_skip_len(nand_info_t *nand, loff_t offset, size_t length,
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}
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#ifdef CONFIG_CMD_NAND_TRIMFFS
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static size_t drop_ffs(const nand_info_t *nand, const u_char *buf,
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static size_t drop_ffs(const struct mtd_info *mtd, const u_char *buf,
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const size_t *len)
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{
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size_t l = *len;
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@ -453,8 +452,8 @@ static size_t drop_ffs(const nand_info_t *nand, const u_char *buf,
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/* The resulting length must be aligned to the minimum flash I/O size */
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l = i + 1;
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l = (l + nand->writesize - 1) / nand->writesize;
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l *= nand->writesize;
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l = (l + mtd->writesize - 1) / mtd->writesize;
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l *= mtd->writesize;
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/*
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* since the input length may be unaligned, prevent access past the end
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@ -471,16 +470,17 @@ static size_t drop_ffs(const nand_info_t *nand, const u_char *buf,
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* Reads page of NAND and verifies the contents and OOB against the
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* values in ops.
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*
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* @param nand NAND device
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* @param mtd nand mtd instance
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* @param ops MTD operations, including data to verify
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* @param ofs offset in flash
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* @return 0 in case of success
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*/
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int nand_verify_page_oob(nand_info_t *nand, struct mtd_oob_ops *ops, loff_t ofs)
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int nand_verify_page_oob(struct mtd_info *mtd, struct mtd_oob_ops *ops,
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loff_t ofs)
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{
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int rval;
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struct mtd_oob_ops vops;
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size_t verlen = nand->writesize + nand->oobsize;
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size_t verlen = mtd->writesize + mtd->oobsize;
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memcpy(&vops, ops, sizeof(vops));
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@ -489,9 +489,9 @@ int nand_verify_page_oob(nand_info_t *nand, struct mtd_oob_ops *ops, loff_t ofs)
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if (!vops.datbuf)
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return -ENOMEM;
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vops.oobbuf = vops.datbuf + nand->writesize;
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vops.oobbuf = vops.datbuf + mtd->writesize;
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rval = mtd_read_oob(nand, ofs, &vops);
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rval = mtd_read_oob(mtd, ofs, &vops);
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if (!rval)
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rval = memcmp(ops->datbuf, vops.datbuf, vops.len);
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if (!rval)
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@ -510,17 +510,17 @@ int nand_verify_page_oob(nand_info_t *nand, struct mtd_oob_ops *ops, loff_t ofs)
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* the contents of a buffer. The offset into the NAND must be
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* page-aligned, and the function doesn't handle skipping bad blocks.
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*
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* @param nand NAND device
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* @param mtd nand mtd instance
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* @param ofs offset in flash
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* @param len buffer length
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* @param buf buffer to read from
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* @return 0 in case of success
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*/
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int nand_verify(nand_info_t *nand, loff_t ofs, size_t len, u_char *buf)
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int nand_verify(struct mtd_info *mtd, loff_t ofs, size_t len, u_char *buf)
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{
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int rval = 0;
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size_t verofs;
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size_t verlen = nand->writesize;
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size_t verlen = mtd->writesize;
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uint8_t *verbuf = memalign(ARCH_DMA_MINALIGN, verlen);
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if (!verbuf)
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@ -529,8 +529,8 @@ int nand_verify(nand_info_t *nand, loff_t ofs, size_t len, u_char *buf)
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/* Read the NAND back in page-size groups to limit malloc size */
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for (verofs = ofs; verofs < ofs + len;
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verofs += verlen, buf += verlen) {
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verlen = min(nand->writesize, (uint32_t)(ofs + len - verofs));
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rval = nand_read(nand, verofs, &verlen, verbuf);
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verlen = min(mtd->writesize, (uint32_t)(ofs + len - verofs));
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rval = nand_read(mtd, verofs, &verlen, verbuf);
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if (!rval || (rval == -EUCLEAN))
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rval = memcmp(buf, verbuf, verlen);
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@ -558,7 +558,7 @@ int nand_verify(nand_info_t *nand, loff_t ofs, size_t len, u_char *buf)
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* beyond the limit we are passed, length is set to 0 and actual is set
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* to the required length.
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*
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* @param nand NAND device
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* @param mtd nand mtd instance
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* @param offset offset in flash
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* @param length buffer length
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* @param actual set to size required to write length worth of
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@ -569,8 +569,8 @@ int nand_verify(nand_info_t *nand, loff_t ofs, size_t len, u_char *buf)
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* @param flags flags modifying the behaviour of the write to NAND
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* @return 0 in case of success
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*/
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int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
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size_t *actual, loff_t lim, u_char *buffer, int flags)
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int nand_write_skip_bad(struct mtd_info *mtd, loff_t offset, size_t *length,
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size_t *actual, loff_t lim, u_char *buffer, int flags)
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{
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int rval = 0, blocksize;
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size_t left_to_write = *length;
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@ -581,7 +581,7 @@ int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
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if (actual)
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*actual = 0;
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blocksize = nand->erasesize;
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blocksize = mtd->erasesize;
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/*
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* nand_write() handles unaligned, partial page writes.
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@ -594,13 +594,13 @@ int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
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* you should only start a block skipping access at a
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* partition boundary). So don't try to handle that.
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*/
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if ((offset & (nand->writesize - 1)) != 0) {
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if ((offset & (mtd->writesize - 1)) != 0) {
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printf("Attempt to write non page-aligned data\n");
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*length = 0;
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return -EINVAL;
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}
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need_skip = check_skip_len(nand, offset, *length, &used_for_write);
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need_skip = check_skip_len(mtd, offset, *length, &used_for_write);
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if (actual)
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*actual = used_for_write;
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@ -618,10 +618,10 @@ int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
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}
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if (!need_skip && !(flags & WITH_DROP_FFS)) {
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rval = nand_write(nand, offset, length, buffer);
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rval = nand_write(mtd, offset, length, buffer);
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if ((flags & WITH_WR_VERIFY) && !rval)
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rval = nand_verify(nand, offset, *length, buffer);
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rval = nand_verify(mtd, offset, *length, buffer);
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if (rval == 0)
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return 0;
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@ -633,15 +633,15 @@ int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
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}
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while (left_to_write > 0) {
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size_t block_offset = offset & (nand->erasesize - 1);
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size_t block_offset = offset & (mtd->erasesize - 1);
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size_t write_size, truncated_write_size;
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WATCHDOG_RESET();
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if (nand_block_isbad(nand, offset & ~(nand->erasesize - 1))) {
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if (nand_block_isbad(mtd, offset & ~(mtd->erasesize - 1))) {
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printf("Skip bad block 0x%08llx\n",
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offset & ~(nand->erasesize - 1));
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offset += nand->erasesize - block_offset;
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offset & ~(mtd->erasesize - 1));
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offset += mtd->erasesize - block_offset;
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continue;
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}
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@ -653,15 +653,15 @@ int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
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truncated_write_size = write_size;
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#ifdef CONFIG_CMD_NAND_TRIMFFS
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if (flags & WITH_DROP_FFS)
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truncated_write_size = drop_ffs(nand, p_buffer,
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truncated_write_size = drop_ffs(mtd, p_buffer,
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&write_size);
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#endif
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rval = nand_write(nand, offset, &truncated_write_size,
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rval = nand_write(mtd, offset, &truncated_write_size,
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p_buffer);
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if ((flags & WITH_WR_VERIFY) && !rval)
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rval = nand_verify(nand, offset,
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rval = nand_verify(mtd, offset,
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truncated_write_size, p_buffer);
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offset += write_size;
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@ -693,7 +693,7 @@ int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
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* the limit we are passed, length is set to 0 and actual is set to the
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* required length.
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*
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* @param nand NAND device
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* @param mtd nand mtd instance
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* @param offset offset in flash
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* @param length buffer length, on return holds number of read bytes
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* @param actual set to size required to read length worth of buffer or 0
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@ -703,8 +703,8 @@ int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
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* @param buffer buffer to write to
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* @return 0 in case of success
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*/
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int nand_read_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
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size_t *actual, loff_t lim, u_char *buffer)
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int nand_read_skip_bad(struct mtd_info *mtd, loff_t offset, size_t *length,
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size_t *actual, loff_t lim, u_char *buffer)
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{
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int rval;
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size_t left_to_read = *length;
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@ -712,7 +712,7 @@ int nand_read_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
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u_char *p_buffer = buffer;
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int need_skip;
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if ((offset & (nand->writesize - 1)) != 0) {
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if ((offset & (mtd->writesize - 1)) != 0) {
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printf("Attempt to read non page-aligned data\n");
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*length = 0;
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if (actual)
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@ -720,7 +720,7 @@ int nand_read_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
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return -EINVAL;
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}
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need_skip = check_skip_len(nand, offset, *length, &used_for_read);
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need_skip = check_skip_len(mtd, offset, *length, &used_for_read);
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if (actual)
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*actual = used_for_read;
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@ -738,7 +738,7 @@ int nand_read_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
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}
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if (!need_skip) {
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rval = nand_read(nand, offset, length, buffer);
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rval = nand_read(mtd, offset, length, buffer);
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if (!rval || rval == -EUCLEAN)
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return 0;
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@ -749,24 +749,24 @@ int nand_read_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
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|||
}
|
||||
|
||||
while (left_to_read > 0) {
|
||||
size_t block_offset = offset & (nand->erasesize - 1);
|
||||
size_t block_offset = offset & (mtd->erasesize - 1);
|
||||
size_t read_length;
|
||||
|
||||
WATCHDOG_RESET();
|
||||
|
||||
if (nand_block_isbad(nand, offset & ~(nand->erasesize - 1))) {
|
||||
if (nand_block_isbad(mtd, offset & ~(mtd->erasesize - 1))) {
|
||||
printf("Skipping bad block 0x%08llx\n",
|
||||
offset & ~(nand->erasesize - 1));
|
||||
offset += nand->erasesize - block_offset;
|
||||
offset & ~(mtd->erasesize - 1));
|
||||
offset += mtd->erasesize - block_offset;
|
||||
continue;
|
||||
}
|
||||
|
||||
if (left_to_read < (nand->erasesize - block_offset))
|
||||
if (left_to_read < (mtd->erasesize - block_offset))
|
||||
read_length = left_to_read;
|
||||
else
|
||||
read_length = nand->erasesize - block_offset;
|
||||
read_length = mtd->erasesize - block_offset;
|
||||
|
||||
rval = nand_read(nand, offset, &read_length, p_buffer);
|
||||
rval = nand_read(mtd, offset, &read_length, p_buffer);
|
||||
if (rval && rval != -EUCLEAN) {
|
||||
printf("NAND read from offset %llx failed %d\n",
|
||||
offset, rval);
|
||||
|
|
@ -812,57 +812,57 @@ static int check_pattern(const u_char *buf, u_char patt, int size)
|
|||
* This is useful to determine if a block that caused a write error is still
|
||||
* good or should be marked as bad.
|
||||
*
|
||||
* @param nand NAND device
|
||||
* @param mtd nand mtd instance
|
||||
* @param offset offset in flash
|
||||
* @return 0 if the block is still good
|
||||
*/
|
||||
int nand_torture(nand_info_t *nand, loff_t offset)
|
||||
int nand_torture(struct mtd_info *mtd, loff_t offset)
|
||||
{
|
||||
u_char patterns[] = {0xa5, 0x5a, 0x00};
|
||||
struct erase_info instr = {
|
||||
.mtd = nand,
|
||||
.addr = offset,
|
||||
.len = nand->erasesize,
|
||||
.len = mtd->erasesize,
|
||||
};
|
||||
size_t retlen;
|
||||
int err, ret = -1, i, patt_count;
|
||||
u_char *buf;
|
||||
|
||||
if ((offset & (nand->erasesize - 1)) != 0) {
|
||||
if ((offset & (mtd->erasesize - 1)) != 0) {
|
||||
puts("Attempt to torture a block at a non block-aligned offset\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (offset + nand->erasesize > nand->size) {
|
||||
if (offset + mtd->erasesize > mtd->size) {
|
||||
puts("Attempt to torture a block outside the flash area\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
patt_count = ARRAY_SIZE(patterns);
|
||||
|
||||
buf = malloc_cache_aligned(nand->erasesize);
|
||||
buf = malloc_cache_aligned(mtd->erasesize);
|
||||
if (buf == NULL) {
|
||||
puts("Out of memory for erase block buffer\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
for (i = 0; i < patt_count; i++) {
|
||||
err = nand->erase(nand, &instr);
|
||||
err = mtd->erase(mtd, &instr);
|
||||
if (err) {
|
||||
printf("%s: erase() failed for block at 0x%llx: %d\n",
|
||||
nand->name, instr.addr, err);
|
||||
mtd->name, instr.addr, err);
|
||||
goto out;
|
||||
}
|
||||
|
||||
/* Make sure the block contains only 0xff bytes */
|
||||
err = nand->read(nand, offset, nand->erasesize, &retlen, buf);
|
||||
if ((err && err != -EUCLEAN) || retlen != nand->erasesize) {
|
||||
err = mtd->read(mtd, offset, mtd->erasesize, &retlen, buf);
|
||||
if ((err && err != -EUCLEAN) || retlen != mtd->erasesize) {
|
||||
printf("%s: read() failed for block at 0x%llx: %d\n",
|
||||
nand->name, instr.addr, err);
|
||||
mtd->name, instr.addr, err);
|
||||
goto out;
|
||||
}
|
||||
|
||||
err = check_pattern(buf, 0xff, nand->erasesize);
|
||||
err = check_pattern(buf, 0xff, mtd->erasesize);
|
||||
if (!err) {
|
||||
printf("Erased block at 0x%llx, but a non-0xff byte was found\n",
|
||||
offset);
|
||||
|
|
@ -871,22 +871,22 @@ int nand_torture(nand_info_t *nand, loff_t offset)
|
|||
}
|
||||
|
||||
/* Write a pattern and check it */
|
||||
memset(buf, patterns[i], nand->erasesize);
|
||||
err = nand->write(nand, offset, nand->erasesize, &retlen, buf);
|
||||
if (err || retlen != nand->erasesize) {
|
||||
memset(buf, patterns[i], mtd->erasesize);
|
||||
err = mtd->write(mtd, offset, mtd->erasesize, &retlen, buf);
|
||||
if (err || retlen != mtd->erasesize) {
|
||||
printf("%s: write() failed for block at 0x%llx: %d\n",
|
||||
nand->name, instr.addr, err);
|
||||
mtd->name, instr.addr, err);
|
||||
goto out;
|
||||
}
|
||||
|
||||
err = nand->read(nand, offset, nand->erasesize, &retlen, buf);
|
||||
if ((err && err != -EUCLEAN) || retlen != nand->erasesize) {
|
||||
err = mtd->read(mtd, offset, mtd->erasesize, &retlen, buf);
|
||||
if ((err && err != -EUCLEAN) || retlen != mtd->erasesize) {
|
||||
printf("%s: read() failed for block at 0x%llx: %d\n",
|
||||
nand->name, instr.addr, err);
|
||||
mtd->name, instr.addr, err);
|
||||
goto out;
|
||||
}
|
||||
|
||||
err = check_pattern(buf, patterns[i], nand->erasesize);
|
||||
err = check_pattern(buf, patterns[i], mtd->erasesize);
|
||||
if (!err) {
|
||||
printf("Pattern 0x%.2x checking failed for block at "
|
||||
"0x%llx\n", patterns[i], offset);
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue