diff options
32 files changed, 666 insertions, 1515 deletions
diff --git a/drivers/mtd/devices/doc2000.c b/drivers/mtd/devices/doc2000.c index 423a34f4638..d9ba1ee658f 100644 --- a/drivers/mtd/devices/doc2000.c +++ b/drivers/mtd/devices/doc2000.c @@ -59,9 +59,6 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf, u_char *eccbuf, struct nand_oobinfo *oobsel); static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf, u_char *eccbuf, struct nand_oobinfo *oobsel); -static int doc_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, - unsigned long count, loff_t to, size_t *retlen, - u_char *eccbuf, struct nand_oobinfo *oobsel); static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len, size_t *retlen, u_char *buf); static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, size_t len, @@ -587,9 +584,6 @@ void DoC2k_init(struct mtd_info *mtd) mtd->unpoint = NULL; mtd->read = doc_read; mtd->write = doc_write; - mtd->read_ecc = doc_read_ecc; - mtd->write_ecc = doc_write_ecc; - mtd->writev_ecc = doc_writev_ecc; mtd->read_oob = doc_read_oob; mtd->write_oob = doc_write_oob; mtd->sync = NULL; @@ -965,66 +959,6 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, return 0; } -static int doc_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, - unsigned long count, loff_t to, size_t *retlen, - u_char *eccbuf, struct nand_oobinfo *oobsel) -{ - static char static_buf[512]; - static DEFINE_MUTEX(writev_buf_mutex); - - size_t totretlen = 0; - size_t thisvecofs = 0; - int ret= 0; - - mutex_lock(&writev_buf_mutex); - - while(count) { - size_t thislen, thisretlen; - unsigned char *buf; - - buf = vecs->iov_base + thisvecofs; - thislen = vecs->iov_len - thisvecofs; - - - if (thislen >= 512) { - thislen = thislen & ~(512-1); - thisvecofs += thislen; - } else { - /* Not enough to fill a page. Copy into buf */ - memcpy(static_buf, buf, thislen); - buf = &static_buf[thislen]; - - while(count && thislen < 512) { - vecs++; - count--; - thisvecofs = min((512-thislen), vecs->iov_len); - memcpy(buf, vecs->iov_base, thisvecofs); - thislen += thisvecofs; - buf += thisvecofs; - } - buf = static_buf; - } - if (count && thisvecofs == vecs->iov_len) { - thisvecofs = 0; - vecs++; - count--; - } - ret = doc_write_ecc(mtd, to, thislen, &thisretlen, buf, eccbuf, oobsel); - - totretlen += thisretlen; - - if (ret || thisretlen != thislen) - break; - - to += thislen; - } - - mutex_unlock(&writev_buf_mutex); - *retlen = totretlen; - return ret; -} - - static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len, size_t * retlen, u_char * buf) { diff --git a/drivers/mtd/devices/doc2001.c b/drivers/mtd/devices/doc2001.c index e6eaef28a2b..579c0b570ae 100644 --- a/drivers/mtd/devices/doc2001.c +++ b/drivers/mtd/devices/doc2001.c @@ -369,8 +369,6 @@ void DoCMil_init(struct mtd_info *mtd) mtd->unpoint = NULL; mtd->read = doc_read; mtd->write = doc_write; - mtd->read_ecc = doc_read_ecc; - mtd->write_ecc = doc_write_ecc; mtd->read_oob = doc_read_oob; mtd->write_oob = doc_write_oob; mtd->sync = NULL; diff --git a/drivers/mtd/devices/doc2001plus.c b/drivers/mtd/devices/doc2001plus.c index 8422c5e92d2..1ee0c0dcb53 100644 --- a/drivers/mtd/devices/doc2001plus.c +++ b/drivers/mtd/devices/doc2001plus.c @@ -491,8 +491,6 @@ void DoCMilPlus_init(struct mtd_info *mtd) mtd->unpoint = NULL; mtd->read = doc_read; mtd->write = doc_write; - mtd->read_ecc = doc_read_ecc; - mtd->write_ecc = doc_write_ecc; mtd->read_oob = doc_read_oob; mtd->write_oob = doc_write_oob; mtd->sync = NULL; diff --git a/drivers/mtd/inftlcore.c b/drivers/mtd/inftlcore.c index a3b92479719..ddd12993780 100644 --- a/drivers/mtd/inftlcore.c +++ b/drivers/mtd/inftlcore.c @@ -36,6 +36,7 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/nftl.h> #include <linux/mtd/inftl.h> +#include <linux/mtd/nand.h> #include <asm/uaccess.h> #include <asm/errno.h> #include <asm/io.h> @@ -79,14 +80,12 @@ static void inftl_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd) inftl->mbd.devnum = -1; inftl->mbd.blksize = 512; inftl->mbd.tr = tr; - memcpy(&inftl->oobinfo, &mtd->oobinfo, sizeof(struct nand_oobinfo)); - inftl->oobinfo.useecc = MTD_NANDECC_PLACEONLY; - if (INFTL_mount(inftl) < 0) { + if (INFTL_mount(inftl) < 0) { printk(KERN_WARNING "INFTL: could not mount device\n"); kfree(inftl); return; - } + } /* OK, it's a new one. Set up all the data structures. */ @@ -221,7 +220,7 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned * Scan to find the Erase Unit which holds the actual data for each * 512-byte block within the Chain. */ - silly = MAX_LOOPS; + silly = MAX_LOOPS; while (thisEUN < inftl->nb_blocks) { for (block = 0; block < inftl->EraseSize/SECTORSIZE; block ++) { if ((BlockMap[block] != 0xffff) || BlockDeleted[block]) @@ -232,7 +231,7 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned (char *)&oob) < 0) status = SECTOR_IGNORE; else - status = oob.b.Status | oob.b.Status1; + status = oob.b.Status | oob.b.Status1; switch(status) { case SECTOR_FREE: @@ -282,29 +281,30 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned continue; } - /* + /* * Copy only in non free block (free blocks can only * happen in case of media errors or deleted blocks). */ - if (BlockMap[block] == BLOCK_NIL) - continue; + if (BlockMap[block] == BLOCK_NIL) + continue; - ret = MTD_READ(inftl->mbd.mtd, (inftl->EraseSize * + ret = MTD_READ(inftl->mbd.mtd, (inftl->EraseSize * BlockMap[block]) + (block * SECTORSIZE), SECTORSIZE, &retlen, movebuf); - if (ret < 0) { + if (ret < 0) { ret = MTD_READ(inftl->mbd.mtd, (inftl->EraseSize * BlockMap[block]) + (block * SECTORSIZE), SECTORSIZE, &retlen, movebuf); if (ret != -EIO) - DEBUG(MTD_DEBUG_LEVEL1, "INFTL: error went " - "away on retry?\n"); - } - memset(&oob, 0xff, sizeof(struct inftl_oob)); - oob.b.Status = oob.b.Status1 = SECTOR_USED; - MTD_WRITEECC(inftl->mbd.mtd, (inftl->EraseSize * targetEUN) + - (block * SECTORSIZE), SECTORSIZE, &retlen, - movebuf, (char *)&oob, &inftl->oobinfo); + DEBUG(MTD_DEBUG_LEVEL1, "INFTL: error went " + "away on retry?\n"); + } + memset(&oob, 0xff, sizeof(struct inftl_oob)); + oob.b.Status = oob.b.Status1 = SECTOR_USED; + + nand_write_raw(inftl->mbd.mtd, (inftl->EraseSize * targetEUN) + + (block * SECTORSIZE), SECTORSIZE, &retlen, + movebuf, (char *)&oob); } /* @@ -329,17 +329,17 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned if (thisEUN == targetEUN) break; - if (INFTL_formatblock(inftl, thisEUN) < 0) { + if (INFTL_formatblock(inftl, thisEUN) < 0) { /* * Could not erase : mark block as reserved. */ inftl->PUtable[thisEUN] = BLOCK_RESERVED; - } else { + } else { /* Correctly erased : mark it as free */ inftl->PUtable[thisEUN] = BLOCK_FREE; inftl->PUtable[prevEUN] = BLOCK_NIL; inftl->numfreeEUNs++; - } + } } return targetEUN; @@ -437,7 +437,7 @@ static inline u16 INFTL_findwriteunit(struct INFTLrecord *inftl, unsigned block) MTD_READOOB(inftl->mbd.mtd, (thisEUN * inftl->EraseSize) + blockofs, 8, &retlen, (char *)&bci); - status = bci.Status | bci.Status1; + status = bci.Status | bci.Status1; DEBUG(MTD_DEBUG_LEVEL3, "INFTL: status of block %d in " "EUN %d is %x\n", block , writeEUN, status); @@ -670,12 +670,12 @@ static void INFTL_trydeletechain(struct INFTLrecord *inftl, unsigned thisVUC) DEBUG(MTD_DEBUG_LEVEL3, "Deleting EUN %d from VUC %d\n", thisEUN, thisVUC); - if (INFTL_formatblock(inftl, thisEUN) < 0) { + if (INFTL_formatblock(inftl, thisEUN) < 0) { /* * Could not erase : mark block as reserved. */ inftl->PUtable[thisEUN] = BLOCK_RESERVED; - } else { + } else { /* Correctly erased : mark it as free */ inftl->PUtable[thisEUN] = BLOCK_FREE; inftl->numfreeEUNs++; @@ -784,9 +784,10 @@ static int inftl_writeblock(struct mtd_blktrans_dev *mbd, unsigned long block, memset(&oob, 0xff, sizeof(struct inftl_oob)); oob.b.Status = oob.b.Status1 = SECTOR_USED; - MTD_WRITEECC(inftl->mbd.mtd, (writeEUN * inftl->EraseSize) + - blockofs, SECTORSIZE, &retlen, (char *)buffer, - (char *)&oob, &inftl->oobinfo); + + nand_write_raw(inftl->mbd.mtd, (writeEUN * inftl->EraseSize) + + blockofs, SECTORSIZE, &retlen, (char *)buffer, + (char *)&oob); /* * need to write SECTOR_USED flags since they are not written * in mtd_writeecc @@ -804,9 +805,9 @@ static int inftl_readblock(struct mtd_blktrans_dev *mbd, unsigned long block, struct INFTLrecord *inftl = (void *)mbd; unsigned int thisEUN = inftl->VUtable[block / (inftl->EraseSize / SECTORSIZE)]; unsigned long blockofs = (block * SECTORSIZE) & (inftl->EraseSize - 1); - unsigned int status; + unsigned int status; int silly = MAX_LOOPS; - struct inftl_bci bci; + struct inftl_bci bci; size_t retlen; DEBUG(MTD_DEBUG_LEVEL3, "INFTL: inftl_readblock(inftl=%p,block=%ld," @@ -850,7 +851,7 @@ foundit: /* The requested block is not on the media, return all 0x00 */ memset(buffer, 0, SECTORSIZE); } else { - size_t retlen; + size_t retlen; loff_t ptr = (thisEUN * inftl->EraseSize) + blockofs; if (MTD_READ(inftl->mbd.mtd, ptr, SECTORSIZE, &retlen, buffer)) diff --git a/drivers/mtd/inftlmount.c b/drivers/mtd/inftlmount.c index 43fdc943388..f89a03795e7 100644 --- a/drivers/mtd/inftlmount.c +++ b/drivers/mtd/inftlmount.c @@ -350,21 +350,21 @@ static int check_free_sectors(struct INFTLrecord *inftl, unsigned int address, int len, int check_oob) { u8 buf[SECTORSIZE + inftl->mbd.mtd->oobsize]; + struct mtd_info *mtd = inftl->mbd.mtd; size_t retlen; int i; - DEBUG(MTD_DEBUG_LEVEL3, "INFTL: check_free_sectors(inftl=%p," - "address=0x%x,len=%d,check_oob=%d)\n", inftl, - address, len, check_oob); - for (i = 0; i < len; i += SECTORSIZE) { - if (MTD_READECC(inftl->mbd.mtd, address, SECTORSIZE, &retlen, buf, &buf[SECTORSIZE], &inftl->oobinfo) < 0) + if (mtd->read(mtd, address, SECTORSIZE, &retlen, buf)) return -1; if (memcmpb(buf, 0xff, SECTORSIZE) != 0) return -1; if (check_oob) { - if (memcmpb(buf + SECTORSIZE, 0xff, inftl->mbd.mtd->oobsize) != 0) + if(mtd->read_oob(mtd, address, mtd->oobsize, + &retlen, &buf[SECTORSIZE]) < 0) + return -1; + if (memcmpb(buf + SECTORSIZE, 0xff, mtd->oobsize) != 0) return -1; } address += SECTORSIZE; diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c index a5e8373349a..6d52137988f 100644 --- a/drivers/mtd/mtdconcat.c +++ b/drivers/mtd/mtdconcat.c @@ -143,119 +143,8 @@ concat_write(struct mtd_info *mtd, loff_t to, size_t len, } static int -concat_read_ecc(struct mtd_info *mtd, loff_t from, size_t len, - size_t * retlen, u_char * buf, u_char * eccbuf, - struct nand_oobinfo *oobsel) -{ - struct mtd_concat *concat = CONCAT(mtd); - int err = -EINVAL; - int i; - - *retlen = 0; - - for (i = 0; i < concat->num_subdev; i++) { - struct mtd_info *subdev = concat->subdev[i]; - size_t size, retsize; - - if (from >= subdev->size) { - /* Not destined for this subdev */ - size = 0; - from -= subdev->size; - continue; - } - - if (from + len > subdev->size) - /* First part goes into this subdev */ - size = subdev->size - from; - else - /* Entire transaction goes into this subdev */ - size = len; - - if (subdev->read_ecc) - err = subdev->read_ecc(subdev, from, size, - &retsize, buf, eccbuf, oobsel); - else - err = -EINVAL; - - if (err) - break; - - *retlen += retsize; - len -= size; - if (len == 0) - break; - - err = -EINVAL; - buf += size; - if (eccbuf) { - eccbuf += subdev->oobsize; - /* in nand.c at least, eccbufs are - tagged with 2 (int)eccstatus'; we - must account for these */ - eccbuf += 2 * (sizeof (int)); - } - from = 0; - } - return err; -} - -static int -concat_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, - size_t * retlen, const u_char * buf, u_char * eccbuf, - struct nand_oobinfo *oobsel) -{ - struct mtd_concat *concat = CONCAT(mtd); - int err = -EINVAL; - int i; - - if (!(mtd->flags & MTD_WRITEABLE)) - return -EROFS; - - *retlen = 0; - - for (i = 0; i < concat->num_subdev; i++) { - struct mtd_info *subdev = concat->subdev[i]; - size_t size, retsize; - - if (to >= subdev->size) { - size = 0; - to -= subdev->size; - continue; - } - if (to + len > subdev->size) - size = subdev->size - to; - else - size = len; - - if (!(subdev->flags & MTD_WRITEABLE)) - err = -EROFS; - else if (subdev->write_ecc) - err = subdev->write_ecc(subdev, to, size, - &retsize, buf, eccbuf, oobsel); - else - err = -EINVAL; - - if (err) - break; - - *retlen += retsize; - len -= size; - if (len == 0) - break; - - err = -EINVAL; - buf += size; - if (eccbuf) - eccbuf += subdev->oobsize; - to = 0; - } - return err; -} - -static int -concat_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, - unsigned long count, loff_t to, size_t * retlen, - u_char *eccbuf, struct nand_oobinfo *oobsel) +concat_writev(struct mtd_info *mtd, const struct kvec *vecs, + unsigned long count, loff_t to, size_t * retlen) { struct mtd_concat *concat = CONCAT(mtd); struct kvec *vecs_copy; @@ -315,10 +204,6 @@ concat_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, if (!(subdev->flags & MTD_WRITEABLE)) err = -EROFS; - else if (eccbuf) - err = subdev->writev_ecc(subdev, &vecs_copy[entry_low], - entry_high - entry_low + 1, to, &retsize, - eccbuf, oobsel); else err = subdev->writev(subdev, &vecs_copy[entry_low], entry_high - entry_low + 1, to, &retsize); @@ -333,8 +218,6 @@ concat_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, *retlen += retsize; total_len -= wsize; - if (concat->mtd.type == MTD_NANDFLASH && eccbuf) - eccbuf += mtd->oobavail * (wsize / mtd->writesize); if (total_len == 0) break; @@ -348,13 +231,6 @@ concat_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, } static int -concat_writev(struct mtd_info *mtd, const struct kvec *vecs, - unsigned long count, loff_t to, size_t * retlen) -{ - return concat_writev_ecc(mtd, vecs, count, to, retlen, NULL, NULL); -} - -static int concat_read_oob(struct mtd_info *mtd, loff_t from, size_t len, size_t * retlen, u_char * buf) { @@ -837,14 +713,8 @@ struct mtd_info *mtd_concat_create(struct mtd_info *subdev[], /* subdevices to c concat->mtd.oobsize = subdev[0]->oobsize; concat->mtd.ecctype = subdev[0]->ecctype; concat->mtd.eccsize = subdev[0]->eccsize; - if (subdev[0]->read_ecc) - concat->mtd.read_ecc = concat_read_ecc; - if (subdev[0]->write_ecc) - concat->mtd.write_ecc = concat_write_ecc; if (subdev[0]->writev) concat->mtd.writev = concat_writev; - if (subdev[0]->writev_ecc) - concat->mtd.writev_ecc = concat_writev_ecc; if (subdev[0]->read_oob) concat->mtd.read_oob = concat_read_oob; if (subdev[0]->write_oob) @@ -885,8 +755,6 @@ struct mtd_info *mtd_concat_create(struct mtd_info *subdev[], /* subdevices to c concat->mtd.oobsize != subdev[i]->oobsize || concat->mtd.ecctype != subdev[i]->ecctype || concat->mtd.eccsize != subdev[i]->eccsize || - !concat->mtd.read_ecc != !subdev[i]->read_ecc || - !concat->mtd.write_ecc != !subdev[i]->write_ecc || !concat->mtd.read_oob != !subdev[i]->read_oob || !concat->mtd.write_oob != !subdev[i]->write_oob) { kfree(concat); diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index 082662f9048..a93550ce797 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -55,12 +55,8 @@ static int part_read (struct mtd_info *mtd, loff_t from, size_t len, len = 0; else if (from + len > mtd->size) len = mtd->size - from; - if (part->master->read_ecc == NULL) - return part->master->read (part->master, from + part->offset, - len, retlen, buf); - else - return part->master->read_ecc (part->master, from + part->offset, - len, retlen, buf, NULL, &mtd->oobinfo); + return part->master->read (part->master, from + part->offset, + len, retlen, buf); } static int part_point (struct mtd_info *mtd, loff_t from, size_t len, @@ -74,6 +70,7 @@ static int part_point (struct mtd_info *mtd, loff_t from, size_t len, return part->master->point (part->master, from + part->offset, len, retlen, buf); } + static void part_unpoint (struct mtd_info *mtd, u_char *addr, loff_t from, size_t len) { struct mtd_part *part = PART(mtd); @@ -81,21 +78,6 @@ static void part_unpoint (struct mtd_info *mtd, u_char *addr, loff_t from, size_ part->master->unpoint (part->master, addr, from + part->offset, len); } - -static int part_read_ecc (struct mtd_info *mtd, loff_t from, size_t len, - size_t *retlen, u_char *buf, u_char *eccbuf, struct nand_oobinfo *oobsel) -{ - struct mtd_part *part = PART(mtd); - if (oobsel == NULL) - oobsel = &mtd->oobinfo; - if (from >= mtd->size) - len = 0; - else if (from + len > mtd->size) - len = mtd->size - from; - return part->master->read_ecc (part->master, from + part->offset, - len, retlen, buf, eccbuf, oobsel); -} - static int part_read_oob (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf) { @@ -148,30 +130,8 @@ static int part_write (struct mtd_info *mtd, loff_t to, size_t len, len = 0; else if (to + len > mtd->size) len = mtd->size - to; - if (part->master->write_ecc == NULL) - return part->master->write (part->master, to + part->offset, - len, retlen, buf); - else - return part->master->write_ecc (part->master, to + part->offset, - len, retlen, buf, NULL, &mtd->oobinfo); - -} - -static int part_write_ecc (struct mtd_info *mtd, loff_t to, size_t len, - size_t *retlen, const u_char *buf, - u_char *eccbuf, struct nand_oobinfo *oobsel) -{ - struct mtd_part *part = PART(mtd); - if (!(mtd->flags & MTD_WRITEABLE)) - return -EROFS; - if (oobsel == NULL) - oobsel = &mtd->oobinfo; - if (to >= mtd->size) - len = 0; - else if (to + len > mtd->size) - len = mtd->size - to; - return part->master->write_ecc (part->master, to + part->offset, - len, retlen, buf, eccbuf, oobsel); + return part->master->write (part->master, to + part->offset, + len, retlen, buf); } static int part_write_oob (struct mtd_info *mtd, loff_t to, size_t len, @@ -208,52 +168,8 @@ static int part_writev (struct mtd_info *mtd, const struct kvec *vecs, struct mtd_part *part = PART(mtd); if (!(mtd->flags & MTD_WRITEABLE)) return -EROFS; - if (part->master->writev_ecc == NULL) - return part->master->writev (part->master, vecs, count, + return part->master->writev (part->master, vecs, count, to + part->offset, retlen); - else - return part->master->writev_ecc (part->master, vecs, count, - to + part->offset, retlen, - NULL, &mtd->oobinfo); -} - -static int part_readv (struct mtd_info *mtd, struct kvec *vecs, - unsigned long count, loff_t from, size_t *retlen) -{ - struct mtd_part *part = PART(mtd); - if (part->master->readv_ecc == NULL) - return part->master->readv (part->master, vecs, count, - from + part->offset, retlen); - else - return part->master->readv_ecc (part->master, vecs, count, - from + part->offset, retlen, - NULL, &mtd->oobinfo); -} - -static int part_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, - unsigned long count, loff_t to, size_t *retlen, - u_char *eccbuf, struct nand_oobinfo *oobsel) -{ - struct mtd_part *part = PART(mtd); - if (!(mtd->flags & MTD_WRITEABLE)) - return -EROFS; - if (oobsel == NULL) - oobsel = &mtd->oobinfo; - return part->master->writev_ecc (part->master, vecs, count, - to + part->offset, retlen, - eccbuf, oobsel); -} - -static int part_readv_ecc (struct mtd_info *mtd, struct kvec *vecs, - unsigned long count, loff_t from, size_t *retlen, - u_char *eccbuf, struct nand_oobinfo *oobsel) -{ - struct mtd_part *part = PART(mtd); - if (oobsel == NULL) - oobsel = &mtd->oobinfo; - return part->master->readv_ecc (part->master, vecs, count, - from + part->offset, retlen, - eccbuf, oobsel); } static int part_erase (struct mtd_info *mtd, struct erase_info *instr) @@ -416,10 +332,6 @@ int add_mtd_partitions(struct mtd_info *master, slave->mtd.unpoint = part_unpoint; } - if (master->read_ecc) - slave->mtd.read_ecc = part_read_ecc; - if (master->write_ecc) - slave->mtd.write_ecc = part_write_ecc; if (master->read_oob) slave->mtd.read_oob = part_read_oob; if (master->write_oob) @@ -444,12 +356,6 @@ int add_mtd_partitions(struct mtd_info *master, } if (master->writev) slave->mtd.writev = part_writev; - if (master->readv) - slave->mtd.readv = part_readv; - if (master->writev_ecc) - slave->mtd.writev_ecc = part_writev_ecc; - if (master->readv_ecc) - slave->mtd.readv_ecc = part_readv_ecc; if (master->lock) slave->mtd.lock = part_lock; if (master->unlock) diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index c2cb87fc4cb..f24408d9268 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -65,7 +65,7 @@ config MTD_NAND_AMS_DELTA config MTD_NAND_TOTO tristate "NAND Flash device on TOTO board" - depends on ARCH_OMAP && MTD_NAND + depends on ARCH_OMAP && MTD_NAND && BROKEN help Support for NAND flash on Texas Instruments Toto platform. @@ -96,7 +96,7 @@ config MTD_NAND_RTC_FROM4 config MTD_NAND_PPCHAMELEONEVB tristate "NAND Flash device on PPChameleonEVB board" - depends on PPCHAMELEONEVB && MTD_NAND + depends on PPCHAMELEONEVB && MTD_NAND && BROKEN help This enables the NAND flash driver on the PPChameleon EVB Board. diff --git a/drivers/mtd/nand/ams-delta.c b/drivers/mtd/nand/ams-delta.c index aeaf2dece09..d7897dc6b3c 100644 --- a/drivers/mtd/nand/ams-delta.c +++ b/drivers/mtd/nand/ams-delta.c @@ -34,13 +34,6 @@ static struct mtd_info *ams_delta_mtd = NULL; #define NAND_MASK (AMS_DELTA_LATCH2_NAND_NRE | AMS_DELTA_LATCH2_NAND_NWE | AMS_DELTA_LATCH2_NAND_CLE | AMS_DELTA_LATCH2_NAND_ALE | AMS_DELTA_LATCH2_NAND_NCE | AMS_DELTA_LATCH2_NAND_NWP) -#define T_NAND_CTL_CLRALE(iob) ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_ALE, 0) -#define T_NAND_CTL_SETALE(iob) ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_ALE, AMS_DELTA_LATCH2_NAND_ALE) -#define T_NAND_CTL_CLRCLE(iob) ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_CLE, 0) -#define T_NAND_CTL_SETCLE(iob) ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_CLE, AMS_DELTA_LATCH2_NAND_CLE) -#define T_NAND_CTL_SETNCE(iob) ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_NCE, 0) -#define T_NAND_CTL_CLRNCE(iob) ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_NCE, AMS_DELTA_LATCH2_NAND_NCE) - /* * Define partitions for flash devices */ @@ -66,25 +59,6 @@ static struct mtd_partition partition_info[] = { .size = 3 * SZ_256K }, }; -/* - * hardware specific access to control-lines -*/ - -static void ams_delta_hwcontrol(struct mtd_info *mtd, int cmd) -{ - switch (cmd) { - - case NAND_CTL_SETCLE: T_NAND_CTL_SETCLE(cmd); break; - case NAND_CTL_CLRCLE: T_NAND_CTL_CLRCLE(cmd); break; - - case NAND_CTL_SETALE: T_NAND_CTL_SETALE(cmd); break; - case NAND_CTL_CLRALE: T_NAND_CTL_CLRALE(cmd); break; - - case NAND_CTL_SETNCE: T_NAND_CTL_SETNCE(cmd); break; - case NAND_CTL_CLRNCE: T_NAND_CTL_CLRNCE(cmd); break; - } -} - static void ams_delta_write_byte(struct mtd_info *mtd, u_char byte) { struct nand_chip *this = mtd->priv; @@ -141,6 +115,32 @@ static int ams_delta_verify_buf(struct mtd_info *mtd, const u_char *buf, return 0; } +/* + * Command control function + * + * ctrl: + * NAND_NCE: bit 0 -> bit 2 + * NAND_CLE: bit 1 -> bit 7 + * NAND_ALE: bit 2 -> bit 6 + */ +static void ams_delta_hwcontrol(struct mtd_info *mtd, int cmd, + unsigned int ctrl) +{ + + if (ctrl & NAND_CTRL_CHANGE) { + unsigned long bits; + + bits = (~ctrl & NAND_NCE) << 2; + bits |= (ctrl & NAND_CLE) << 7; + bits |= (ctrl & NAND_ALE) << 6; + + ams_delta_latch2_write(0xC2, bits); + } + + if (cmd != NAND_CMD_NONE) + ams_delta_write_byte(mtd, cmd); +} + static int ams_delta_nand_ready(struct mtd_info *mtd) { return omap_get_gpio_datain(AMS_DELTA_GPIO_PIN_NAND_RB); @@ -179,11 +179,10 @@ static int __init ams_delta_init(void) this->IO_ADDR_R = (OMAP_MPUIO_BASE + OMAP_MPUIO_INPUT_LATCH); this->IO_ADDR_W = (OMAP_MPUIO_BASE + OMAP_MPUIO_OUTPUT); this->read_byte = ams_delta_read_byte; - this->write_byte = ams_delta_write_byte; this->write_buf = ams_delta_write_buf; this->read_buf = ams_delta_read_buf; this->verify_buf = ams_delta_verify_buf; - this->hwcontrol = ams_delta_hwcontrol; + this->cmd_ctrl = ams_delta_hwcontrol; if (!omap_request_gpio(AMS_DELTA_GPIO_PIN_NAND_RB)) { this->dev_ready = ams_delta_nand_ready; } else { @@ -200,7 +199,7 @@ static int __init ams_delta_init(void) AMS_DELTA_LATCH2_NAND_NCE | AMS_DELTA_LATCH2_NAND_NWP); - /* Scan to find existance of the device */ + /* Scan to find existance of the device */ if (nand_scan(ams_delta_mtd, 1)) { err = -ENXIO; goto out_mtd; diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c index 29dde7dcafa..31228334da1 100644 --- a/drivers/mtd/nand/au1550nd.c +++ b/drivers/mtd/nand/au1550nd.c @@ -40,6 +40,7 @@ static struct mtd_info *au1550_mtd = NULL; static void __iomem *p_nand; static int nand_width = 1; /* default x8 */ +static void (*au1550_write_byte)(struct mtd_info *, u_char); /* * Define partitions for flash device @@ -129,21 +130,6 @@ static u16 au_read_word(struct mtd_info *mtd) } /** - * au_write_word - write one word to the chip - * @mtd: MTD device structure - * @word: data word to write - * - * write function for 16bit buswith without - * endianess conversion - */ -static void au_write_word(struct mtd_info *mtd, u16 word) -{ - struct nand_chip *this = mtd->priv; - writew(word, this->IO_ADDR_W); - au_sync(); -} - -/** * au_write_buf - write buffer to chip * @mtd: MTD device structure * @buf: data buffer @@ -269,6 +255,18 @@ static int au_verify_buf16(struct mtd_info *mtd, const u_char *buf |