Lines Matching refs:mtd
71 static int flexonenand_ooblayout_ecc(struct mtd_info *mtd, int section, in flexonenand_ooblayout_ecc() argument
83 static int flexonenand_ooblayout_free(struct mtd_info *mtd, int section, in flexonenand_ooblayout_free() argument
107 static int onenand_ooblayout_128_ecc(struct mtd_info *mtd, int section, in onenand_ooblayout_128_ecc() argument
119 static int onenand_ooblayout_128_free(struct mtd_info *mtd, int section, in onenand_ooblayout_128_free() argument
143 static int onenand_ooblayout_32_64_ecc(struct mtd_info *mtd, int section, in onenand_ooblayout_32_64_ecc() argument
155 static int onenand_ooblayout_32_64_free(struct mtd_info *mtd, int section, in onenand_ooblayout_32_64_free() argument
158 int sections = (mtd->oobsize / 32) * 2; in onenand_ooblayout_32_64_free()
382 int flexonenand_region(struct mtd_info *mtd, loff_t addr) in flexonenand_region() argument
386 for (i = 0; i < mtd->numeraseregions; i++) in flexonenand_region()
387 if (addr < mtd->eraseregions[i].offset) in flexonenand_region()
403 static int onenand_command(struct mtd_info *mtd, int cmd, loff_t addr, size_t len) in onenand_command() argument
405 struct onenand_chip *this = mtd->priv; in onenand_command()
558 static int onenand_wait(struct mtd_info *mtd, int state) in onenand_wait() argument
560 struct onenand_chip * this = mtd->priv; in onenand_wait()
593 mtd->ecc_stats.failed++; in onenand_wait()
598 mtd->ecc_stats.corrected++; in onenand_wait()
656 static int onenand_interrupt_wait(struct mtd_info *mtd, int state) in onenand_interrupt_wait() argument
658 struct onenand_chip *this = mtd->priv; in onenand_interrupt_wait()
662 return onenand_wait(mtd, state); in onenand_interrupt_wait()
672 static int onenand_try_interrupt_wait(struct mtd_info *mtd, int state) in onenand_try_interrupt_wait() argument
674 struct onenand_chip *this = mtd->priv; in onenand_try_interrupt_wait()
692 return onenand_wait(mtd, state); in onenand_try_interrupt_wait()
703 static void onenand_setup_wait(struct mtd_info *mtd) in onenand_setup_wait() argument
705 struct onenand_chip *this = mtd->priv; in onenand_setup_wait()
738 static inline int onenand_bufferram_offset(struct mtd_info *mtd, int area) in onenand_bufferram_offset() argument
740 struct onenand_chip *this = mtd->priv; in onenand_bufferram_offset()
747 return mtd->oobsize; in onenand_bufferram_offset()
763 static int onenand_read_bufferram(struct mtd_info *mtd, int area, in onenand_read_bufferram() argument
766 struct onenand_chip *this = mtd->priv; in onenand_read_bufferram()
771 bufferram += onenand_bufferram_offset(mtd, area); in onenand_read_bufferram()
799 static int onenand_sync_read_bufferram(struct mtd_info *mtd, int area, in onenand_sync_read_bufferram() argument
802 struct onenand_chip *this = mtd->priv; in onenand_sync_read_bufferram()
807 bufferram += onenand_bufferram_offset(mtd, area); in onenand_sync_read_bufferram()
809 this->mmcontrol(mtd, ONENAND_SYS_CFG1_SYNC_READ); in onenand_sync_read_bufferram()
824 this->mmcontrol(mtd, 0); in onenand_sync_read_bufferram()
839 static int onenand_write_bufferram(struct mtd_info *mtd, int area, in onenand_write_bufferram() argument
842 struct onenand_chip *this = mtd->priv; in onenand_write_bufferram()
847 bufferram += onenand_bufferram_offset(mtd, area); in onenand_write_bufferram()
878 static int onenand_get_2x_blockpage(struct mtd_info *mtd, loff_t addr) in onenand_get_2x_blockpage() argument
880 struct onenand_chip *this = mtd->priv; in onenand_get_2x_blockpage()
902 static int onenand_check_bufferram(struct mtd_info *mtd, loff_t addr) in onenand_check_bufferram() argument
904 struct onenand_chip *this = mtd->priv; in onenand_check_bufferram()
909 blockpage = onenand_get_2x_blockpage(mtd, addr); in onenand_check_bufferram()
944 static void onenand_update_bufferram(struct mtd_info *mtd, loff_t addr, in onenand_update_bufferram() argument
947 struct onenand_chip *this = mtd->priv; in onenand_update_bufferram()
952 blockpage = onenand_get_2x_blockpage(mtd, addr); in onenand_update_bufferram()
977 static void onenand_invalidate_bufferram(struct mtd_info *mtd, loff_t addr, in onenand_invalidate_bufferram() argument
980 struct onenand_chip *this = mtd->priv; in onenand_invalidate_bufferram()
999 static int onenand_get_device(struct mtd_info *mtd, int new_state) in onenand_get_device() argument
1001 struct onenand_chip *this = mtd->priv; in onenand_get_device()
1013 this->enable(mtd); in onenand_get_device()
1036 static void onenand_release_device(struct mtd_info *mtd) in onenand_release_device() argument
1038 struct onenand_chip *this = mtd->priv; in onenand_release_device()
1041 this->disable(mtd); in onenand_release_device()
1056 static int onenand_transfer_auto_oob(struct mtd_info *mtd, uint8_t *buf, int column, in onenand_transfer_auto_oob() argument
1059 struct onenand_chip *this = mtd->priv; in onenand_transfer_auto_oob()
1062 this->read_bufferram(mtd, ONENAND_SPARERAM, this->oob_buf, 0, in onenand_transfer_auto_oob()
1063 mtd->oobsize); in onenand_transfer_auto_oob()
1064 ret = mtd_ooblayout_get_databytes(mtd, buf, this->oob_buf, in onenand_transfer_auto_oob()
1085 static int onenand_recover_lsb(struct mtd_info *mtd, loff_t addr, int status) in onenand_recover_lsb() argument
1087 struct onenand_chip *this = mtd->priv; in onenand_recover_lsb()
1099 i = flexonenand_region(mtd, addr); in onenand_recover_lsb()
1100 if (mtd->eraseregions[i].erasesize < (1 << this->erase_shift)) in onenand_recover_lsb()
1108 mtd->ecc_stats.failed--; in onenand_recover_lsb()
1111 this->command(mtd, FLEXONENAND_CMD_RECOVER_LSB, addr, this->writesize); in onenand_recover_lsb()
1112 return this->wait(mtd, FL_READING); in onenand_recover_lsb()
1124 static int onenand_mlc_read_ops_nolock(struct mtd_info *mtd, loff_t from, in onenand_mlc_read_ops_nolock() argument
1127 struct onenand_chip *this = mtd->priv; in onenand_mlc_read_ops_nolock()
1141 oobsize = mtd_oobavail(mtd, ops); in onenand_mlc_read_ops_nolock()
1142 oobcolumn = from & (mtd->oobsize - 1); in onenand_mlc_read_ops_nolock()
1145 if (from + len > mtd->size) { in onenand_mlc_read_ops_nolock()
1153 stats = mtd->ecc_stats; in onenand_mlc_read_ops_nolock()
1164 if (!onenand_check_bufferram(mtd, from)) { in onenand_mlc_read_ops_nolock()
1165 this->command(mtd, ONENAND_CMD_READ, from, writesize); in onenand_mlc_read_ops_nolock()
1167 ret = this->wait(mtd, FL_READING); in onenand_mlc_read_ops_nolock()
1169 ret = onenand_recover_lsb(mtd, from, ret); in onenand_mlc_read_ops_nolock()
1170 onenand_update_bufferram(mtd, from, !ret); in onenand_mlc_read_ops_nolock()
1177 this->read_bufferram(mtd, ONENAND_DATARAM, buf, column, thislen); in onenand_mlc_read_ops_nolock()
1183 onenand_transfer_auto_oob(mtd, oobbuf, oobcolumn, thisooblen); in onenand_mlc_read_ops_nolock()
1185 this->read_bufferram(mtd, ONENAND_SPARERAM, oobbuf, oobcolumn, thisooblen); in onenand_mlc_read_ops_nolock()
1210 if (mtd->ecc_stats.failed - stats.failed) in onenand_mlc_read_ops_nolock()
1214 return mtd->ecc_stats.corrected != stats.corrected ? 1 : 0; in onenand_mlc_read_ops_nolock()
1225 static int onenand_read_ops_nolock(struct mtd_info *mtd, loff_t from, in onenand_read_ops_nolock() argument
1228 struct onenand_chip *this = mtd->priv; in onenand_read_ops_nolock()
1242 oobsize = mtd_oobavail(mtd, ops); in onenand_read_ops_nolock()
1243 oobcolumn = from & (mtd->oobsize - 1); in onenand_read_ops_nolock()
1246 if ((from + len) > mtd->size) { in onenand_read_ops_nolock()
1254 stats = mtd->ecc_stats; in onenand_read_ops_nolock()
1260 if (!onenand_check_bufferram(mtd, from)) { in onenand_read_ops_nolock()
1261 this->command(mtd, ONENAND_CMD_READ, from, writesize); in onenand_read_ops_nolock()
1262 ret = this->wait(mtd, FL_READING); in onenand_read_ops_nolock()
1263 onenand_update_bufferram(mtd, from, !ret); in onenand_read_ops_nolock()
1278 this->command(mtd, ONENAND_CMD_READ, from, writesize); in onenand_read_ops_nolock()
1293 this->read_bufferram(mtd, ONENAND_DATARAM, buf, column, thislen); in onenand_read_ops_nolock()
1301 onenand_transfer_auto_oob(mtd, oobbuf, oobcolumn, thisooblen); in onenand_read_ops_nolock()
1303 this->read_bufferram(mtd, ONENAND_SPARERAM, oobbuf, oobcolumn, thisooblen); in onenand_read_ops_nolock()
1322 ret = this->wait(mtd, FL_READING); in onenand_read_ops_nolock()
1323 onenand_update_bufferram(mtd, from, !ret); in onenand_read_ops_nolock()
1339 if (mtd->ecc_stats.failed - stats.failed) in onenand_read_ops_nolock()
1343 return mtd->ecc_stats.corrected != stats.corrected ? 1 : 0; in onenand_read_ops_nolock()
1354 static int onenand_read_oob_nolock(struct mtd_info *mtd, loff_t from, in onenand_read_oob_nolock() argument
1357 struct onenand_chip *this = mtd->priv; in onenand_read_oob_nolock()
1374 oobsize = mtd->oobavail; in onenand_read_oob_nolock()
1376 oobsize = mtd->oobsize; in onenand_read_oob_nolock()
1378 column = from & (mtd->oobsize - 1); in onenand_read_oob_nolock()
1387 if (unlikely(from >= mtd->size || in onenand_read_oob_nolock()
1388 column + len > ((mtd->size >> this->page_shift) - in onenand_read_oob_nolock()
1395 stats = mtd->ecc_stats; in onenand_read_oob_nolock()
1405 this->command(mtd, readcmd, from, mtd->oobsize); in onenand_read_oob_nolock()
1407 onenand_update_bufferram(mtd, from, 0); in onenand_read_oob_nolock()
1409 ret = this->wait(mtd, FL_READING); in onenand_read_oob_nolock()
1411 ret = onenand_recover_lsb(mtd, from, ret); in onenand_read_oob_nolock()
1420 onenand_transfer_auto_oob(mtd, buf, column, thislen); in onenand_read_oob_nolock()
1422 this->read_bufferram(mtd, ONENAND_SPARERAM, buf, column, thislen); in onenand_read_oob_nolock()
1434 from += mtd->writesize; in onenand_read_oob_nolock()
1444 if (mtd->ecc_stats.failed - stats.failed) in onenand_read_oob_nolock()
1460 static int onenand_read(struct mtd_info *mtd, loff_t from, size_t len, in onenand_read() argument
1463 struct onenand_chip *this = mtd->priv; in onenand_read()
1472 onenand_get_device(mtd, FL_READING); in onenand_read()
1474 onenand_mlc_read_ops_nolock(mtd, from, &ops) : in onenand_read()
1475 onenand_read_ops_nolock(mtd, from, &ops); in onenand_read()
1476 onenand_release_device(mtd); in onenand_read()
1490 static int onenand_read_oob(struct mtd_info *mtd, loff_t from, in onenand_read_oob() argument
1493 struct onenand_chip *this = mtd->priv; in onenand_read_oob()
1506 onenand_get_device(mtd, FL_READING); in onenand_read_oob()
1509 onenand_mlc_read_ops_nolock(mtd, from, ops) : in onenand_read_oob()
1510 onenand_read_ops_nolock(mtd, from, ops); in onenand_read_oob()
1512 ret = onenand_read_oob_nolock(mtd, from, ops); in onenand_read_oob()
1513 onenand_release_device(mtd); in onenand_read_oob()
1525 static int onenand_bbt_wait(struct mtd_info *mtd, int state) in onenand_bbt_wait() argument
1527 struct onenand_chip *this = mtd->priv; in onenand_bbt_wait()
1577 int onenand_bbt_read_oob(struct mtd_info *mtd, loff_t from, in onenand_bbt_read_oob() argument
1580 struct onenand_chip *this = mtd->priv; in onenand_bbt_read_oob()
1593 if (unlikely((from + len) > mtd->size)) { in onenand_bbt_read_oob()
1600 onenand_get_device(mtd, FL_READING); in onenand_bbt_read_oob()
1602 column = from & (mtd->oobsize - 1); in onenand_bbt_read_oob()
1609 thislen = mtd->oobsize - column; in onenand_bbt_read_oob()
1612 this->command(mtd, readcmd, from, mtd->oobsize); in onenand_bbt_read_oob()
1614 onenand_update_bufferram(mtd, from, 0); in onenand_bbt_read_oob()
1616 ret = this->bbt_wait(mtd, FL_READING); in onenand_bbt_read_oob()
1618 ret = onenand_recover_lsb(mtd, from, ret); in onenand_bbt_read_oob()
1623 this->read_bufferram(mtd, ONENAND_SPARERAM, buf, column, thislen); in onenand_bbt_read_oob()
1639 onenand_release_device(mtd); in onenand_bbt_read_oob()
1652 static int onenand_verify_oob(struct mtd_info *mtd, const u_char *buf, loff_t to) in onenand_verify_oob() argument
1654 struct onenand_chip *this = mtd->priv; in onenand_verify_oob()
1660 this->command(mtd, readcmd, to, mtd->oobsize); in onenand_verify_oob()
1661 onenand_update_bufferram(mtd, to, 0); in onenand_verify_oob()
1662 status = this->wait(mtd, FL_READING); in onenand_verify_oob()
1666 this->read_bufferram(mtd, ONENAND_SPARERAM, oob_buf, 0, mtd->oobsize); in onenand_verify_oob()
1667 for (i = 0; i < mtd->oobsize; i++) in onenand_verify_oob()
1681 static int onenand_verify(struct mtd_info *mtd, const u_char *buf, loff_t addr, size_t len) in onenand_verify() argument
1683 struct onenand_chip *this = mtd->priv; in onenand_verify()
1692 this->command(mtd, ONENAND_CMD_READ, addr, this->writesize); in onenand_verify()
1694 onenand_update_bufferram(mtd, addr, 0); in onenand_verify()
1696 ret = this->wait(mtd, FL_READING); in onenand_verify()
1700 onenand_update_bufferram(mtd, addr, 1); in onenand_verify()
1702 this->read_bufferram(mtd, ONENAND_DATARAM, this->verify_buf, 0, mtd->writesize); in onenand_verify()
1722 static void onenand_panic_wait(struct mtd_info *mtd) in onenand_panic_wait() argument
1724 struct onenand_chip *this = mtd->priv; in onenand_panic_wait()
1746 static int onenand_panic_write(struct mtd_info *mtd, loff_t to, size_t len, in onenand_panic_write() argument
1749 struct onenand_chip *this = mtd->priv; in onenand_panic_write()
1757 onenand_panic_wait(mtd); in onenand_panic_write()
1769 column = to & (mtd->writesize - 1); in onenand_panic_write()
1773 int thislen = min_t(int, mtd->writesize - column, len - written); in onenand_panic_write()
1776 this->command(mtd, ONENAND_CMD_BUFFERRAM, to, thislen); in onenand_panic_write()
1779 subpage = thislen < mtd->writesize; in onenand_panic_write()
1781 memset(this->page_buf, 0xff, mtd->writesize); in onenand_panic_write()
1786 this->write_bufferram(mtd, ONENAND_DATARAM, wbuf, 0, mtd->writesize); in onenand_panic_write()
1787 this->write_bufferram(mtd, ONENAND_SPARERAM, ffchars, 0, mtd->oobsize); in onenand_panic_write()
1789 this->command(mtd, ONENAND_CMD_PROG, to, mtd->writesize); in onenand_panic_write()
1791 onenand_panic_wait(mtd); in onenand_panic_write()
1794 onenand_update_bufferram(mtd, to, !subpage); in onenand_panic_write()
1797 onenand_update_bufferram(mtd, to + this->writesize, !subpage); in onenand_panic_write()
1822 static int onenand_fill_auto_oob(struct mtd_info *mtd, u_char *oob_buf, in onenand_fill_auto_oob() argument
1825 return mtd_ooblayout_set_databytes(mtd, buf, oob_buf, column, thislen); in onenand_fill_auto_oob()
1836 static int onenand_write_ops_nolock(struct mtd_info *mtd, loff_t to, in onenand_write_ops_nolock() argument
1839 struct onenand_chip *this = mtd->priv; in onenand_write_ops_nolock()
1867 oobsize = mtd_oobavail(mtd, ops); in onenand_write_ops_nolock()
1868 oobcolumn = to & (mtd->oobsize - 1); in onenand_write_ops_nolock()
1870 column = to & (mtd->writesize - 1); in onenand_write_ops_nolock()
1877 thislen = min_t(int, mtd->writesize - column, len - written); in onenand_write_ops_nolock()
1882 this->command(mtd, ONENAND_CMD_BUFFERRAM, to, thislen); in onenand_write_ops_nolock()
1885 subpage = thislen < mtd->writesize; in onenand_write_ops_nolock()
1887 memset(this->page_buf, 0xff, mtd->writesize); in onenand_write_ops_nolock()
1892 this->write_bufferram(mtd, ONENAND_DATARAM, wbuf, 0, mtd->writesize); in onenand_write_ops_nolock()
1899 memset(oobbuf, 0xff, mtd->oobsize); in onenand_write_ops_nolock()
1901 onenand_fill_auto_oob(mtd, oobbuf, oob, oobcolumn, thisooblen); in onenand_write_ops_nolock()
1911 this->write_bufferram(mtd, ONENAND_SPARERAM, oobbuf, 0, mtd->oobsize); in onenand_write_ops_nolock()
1922 ret = this->wait(mtd, FL_WRITING); in onenand_write_ops_nolock()
1925 onenand_update_bufferram(mtd, prev, !ret && !prev_subpage); in onenand_write_ops_nolock()
1935 ret = onenand_verify(mtd, buf - len, to - len, len); in onenand_write_ops_nolock()
1957 this->command(mtd, cmd, to, mtd->writesize); in onenand_write_ops_nolock()
1963 ret = this->wait(mtd, FL_WRITING); in onenand_write_ops_nolock()
1966 onenand_update_bufferram(mtd, to, !ret && !subpage); in onenand_write_ops_nolock()
1974 ret = onenand_verify(mtd, buf, to, thislen); in onenand_write_ops_nolock()
2000 onenand_invalidate_bufferram(mtd, 0, -1); in onenand_write_ops_nolock()
2020 static int onenand_write_oob_nolock(struct mtd_info *mtd, loff_t to, in onenand_write_oob_nolock() argument
2023 struct onenand_chip *this = mtd->priv; in onenand_write_oob_nolock()
2040 oobsize = mtd->oobavail; in onenand_write_oob_nolock()
2042 oobsize = mtd->oobsize; in onenand_write_oob_nolock()
2044 column = to & (mtd->oobsize - 1); in onenand_write_oob_nolock()
2060 if (unlikely(to >= mtd->size || in onenand_write_oob_nolock()
2061 column + len > ((mtd->size >> this->page_shift) - in onenand_write_oob_nolock()
2078 this->command(mtd, ONENAND_CMD_BUFFERRAM, to, mtd->oobsize); in onenand_write_oob_nolock()
2082 memset(oobbuf, 0xff, mtd->oobsize); in onenand_write_oob_nolock()
2084 onenand_fill_auto_oob(mtd, oobbuf, buf, column, thislen); in onenand_write_oob_nolock()
2087 this->write_bufferram(mtd, ONENAND_SPARERAM, oobbuf, 0, mtd->oobsize); in onenand_write_oob_nolock()
2091 memset(this->page_buf, 0xff, mtd->writesize); in onenand_write_oob_nolock()
2092 this->write_bufferram(mtd, ONENAND_DATARAM, in onenand_write_oob_nolock()
2093 this->page_buf, 0, mtd->writesize); in onenand_write_oob_nolock()
2096 this->command(mtd, oobcmd, to, mtd->oobsize); in onenand_write_oob_nolock()
2098 onenand_update_bufferram(mtd, to, 0); in onenand_write_oob_nolock()
2101 onenand_update_bufferram(mtd, to + this->writesize, 0); in onenand_write_oob_nolock()
2104 ret = this->wait(mtd, FL_WRITING); in onenand_write_oob_nolock()
2110 ret = onenand_verify_oob(mtd, oobbuf, to); in onenand_write_oob_nolock()
2121 to += mtd->writesize; in onenand_write_oob_nolock()
2141 static int onenand_write(struct mtd_info *mtd, loff_t to, size_t len, in onenand_write() argument
2152 onenand_get_device(mtd, FL_WRITING); in onenand_write()
2153 ret = onenand_write_ops_nolock(mtd, to, &ops); in onenand_write()
2154 onenand_release_device(mtd); in onenand_write()
2166 static int onenand_write_oob(struct mtd_info *mtd, loff_t to, in onenand_write_oob() argument
2181 onenand_get_device(mtd, FL_WRITING); in onenand_write_oob()
2183 ret = onenand_write_ops_nolock(mtd, to, ops); in onenand_write_oob()
2185 ret = onenand_write_oob_nolock(mtd, to, ops); in onenand_write_oob()
2186 onenand_release_device(mtd); in onenand_write_oob()
2200 static int onenand_block_isbad_nolock(struct mtd_info *mtd, loff_t ofs, int allowbbt) in onenand_block_isbad_nolock() argument
2202 struct onenand_chip *this = mtd->priv; in onenand_block_isbad_nolock()
2206 return bbm->isbad_bbt(mtd, ofs, allowbbt); in onenand_block_isbad_nolock()
2210 static int onenand_multiblock_erase_verify(struct mtd_info *mtd, in onenand_multiblock_erase_verify() argument
2213 struct onenand_chip *this = mtd->priv; in onenand_multiblock_erase_verify()
2220 this->command(mtd, ONENAND_CMD_ERASE_VERIFY, addr, block_size); in onenand_multiblock_erase_verify()
2221 ret = this->wait(mtd, FL_VERIFYING_ERASE); in onenand_multiblock_erase_verify()
2243 static int onenand_multiblock_erase(struct mtd_info *mtd, in onenand_multiblock_erase() argument
2247 struct onenand_chip *this = mtd->priv; in onenand_multiblock_erase()
2265 if (onenand_block_isbad_nolock(mtd, addr, 0)) { in onenand_multiblock_erase()
2300 this->command(mtd, ONENAND_CMD_MULTIBLOCK_ERASE, in onenand_multiblock_erase()
2302 onenand_invalidate_bufferram(mtd, addr, block_size); in onenand_multiblock_erase()
2304 ret = this->wait(mtd, FL_PREPARING_ERASE); in onenand_multiblock_erase()
2321 this->command(mtd, ONENAND_CMD_ERASE, addr, block_size); in onenand_multiblock_erase()
2322 onenand_invalidate_bufferram(mtd, addr, block_size); in onenand_multiblock_erase()
2324 ret = this->wait(mtd, FL_ERASING); in onenand_multiblock_erase()
2340 if (onenand_multiblock_erase_verify(mtd, &verify_instr)) { in onenand_multiblock_erase()
2360 static int onenand_block_by_block_erase(struct mtd_info *mtd, in onenand_block_by_block_erase() argument
2365 struct onenand_chip *this = mtd->priv; in onenand_block_by_block_erase()
2383 if (onenand_block_isbad_nolock(mtd, addr, 0)) { in onenand_block_by_block_erase()
2391 this->command(mtd, ONENAND_CMD_ERASE, addr, block_size); in onenand_block_by_block_erase()
2393 onenand_invalidate_bufferram(mtd, addr, block_size); in onenand_block_by_block_erase()
2395 ret = this->wait(mtd, FL_ERASING); in onenand_block_by_block_erase()
2434 static int onenand_erase(struct mtd_info *mtd, struct erase_info *instr) in onenand_erase() argument
2436 struct onenand_chip *this = mtd->priv; in onenand_erase()
2450 int i = flexonenand_region(mtd, addr); in onenand_erase()
2452 region = &mtd->eraseregions[i]; in onenand_erase()
2475 onenand_get_device(mtd, FL_ERASING); in onenand_erase()
2480 ret = onenand_block_by_block_erase(mtd, instr, in onenand_erase()
2483 ret = onenand_multiblock_erase(mtd, instr, block_size); in onenand_erase()
2487 onenand_release_device(mtd); in onenand_erase()
2504 static void onenand_sync(struct mtd_info *mtd) in onenand_sync() argument
2509 onenand_get_device(mtd, FL_SYNCING); in onenand_sync()
2512 onenand_release_device(mtd); in onenand_sync()
2522 static int onenand_block_isbad(struct mtd_info *mtd, loff_t ofs) in onenand_block_isbad() argument
2526 onenand_get_device(mtd, FL_READING); in onenand_block_isbad()
2527 ret = onenand_block_isbad_nolock(mtd, ofs, 0); in onenand_block_isbad()
2528 onenand_release_device(mtd); in onenand_block_isbad()
2540 static int onenand_default_block_markbad(struct mtd_info *mtd, loff_t ofs) in onenand_default_block_markbad() argument
2542 struct onenand_chip *this = mtd->priv; in onenand_default_block_markbad()
2559 ofs += mtd->oobsize + (bbm->badblockpos & ~0x01); in onenand_default_block_markbad()
2564 return onenand_write_oob_nolock(mtd, ofs, &ops); in onenand_default_block_markbad()
2574 static int onenand_block_markbad(struct mtd_info *mtd, loff_t ofs) in onenand_block_markbad() argument
2576 struct onenand_chip *this = mtd->priv; in onenand_block_markbad()
2579 ret = onenand_block_isbad(mtd, ofs); in onenand_block_markbad()
2587 onenand_get_device(mtd, FL_WRITING); in onenand_block_markbad()
2588 ret = this->block_markbad(mtd, ofs); in onenand_block_markbad()
2589 onenand_release_device(mtd); in onenand_block_markbad()
2602 static int onenand_do_lock_cmd(struct mtd_info *mtd, loff_t ofs, size_t len, int cmd) in onenand_do_lock_cmd() argument
2604 struct onenand_chip *this = mtd->priv; in onenand_do_lock_cmd()
2623 this->command(mtd, cmd, 0, 0); in onenand_do_lock_cmd()
2626 this->wait(mtd, FL_LOCKING); in onenand_do_lock_cmd()
2653 this->command(mtd, cmd, 0, 0); in onenand_do_lock_cmd()
2656 this->wait(mtd, FL_LOCKING); in onenand_do_lock_cmd()
2681 static int onenand_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len) in onenand_lock() argument
2685 onenand_get_device(mtd, FL_LOCKING); in onenand_lock()
2686 ret = onenand_do_lock_cmd(mtd, ofs, len, ONENAND_CMD_LOCK); in onenand_lock()
2687 onenand_release_device(mtd); in onenand_lock()
2699 static int onenand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) in onenand_unlock() argument
2703 onenand_get_device(mtd, FL_LOCKING); in onenand_unlock()
2704 ret = onenand_do_lock_cmd(mtd, ofs, len, ONENAND_CMD_UNLOCK); in onenand_unlock()
2705 onenand_release_device(mtd); in onenand_unlock()
2749 static void onenand_unlock_all(struct mtd_info *mtd) in onenand_unlock_all() argument
2751 struct onenand_chip *this = mtd->priv; in onenand_unlock_all()
2753 loff_t len = mtd->size; in onenand_unlock_all()
2759 this->command(mtd, ONENAND_CMD_UNLOCK_ALL, 0, 0); in onenand_unlock_all()
2762 this->wait(mtd, FL_LOCKING); in onenand_unlock_all()
2785 onenand_do_lock_cmd(mtd, ofs, len, ONENAND_CMD_UNLOCK); in onenand_unlock_all()
2797 static int onenand_otp_command(struct mtd_info *mtd, int cmd, loff_t addr, in onenand_otp_command() argument
2800 struct onenand_chip *this = mtd->priv; in onenand_otp_command()
2875 static int onenand_otp_write_oob_nolock(struct mtd_info *mtd, loff_t to, in onenand_otp_write_oob_nolock() argument
2878 struct onenand_chip *this = mtd->priv; in onenand_otp_write_oob_nolock()
2891 oobsize = mtd->oobsize; in onenand_otp_write_oob_nolock()
2893 column = to & (mtd->oobsize - 1); in onenand_otp_write_oob_nolock()
2926 this->command(mtd, ONENAND_CMD_OTP_ACCESS, 0, 0); in onenand_otp_write_oob_nolock()
2927 this->wait(mtd, FL_OTPING); in onenand_otp_write_oob_nolock()
2939 this->write_bufferram(mtd, ONENAND_SPARERAM, in onenand_otp_write_oob_nolock()
2940 oobbuf, 0, mtd->oobsize); in onenand_otp_write_oob_nolock()
2942 onenand_otp_command(mtd, ONENAND_CMD_PROGOOB, to, mtd->oobsize); in onenand_otp_write_oob_nolock()
2943 onenand_update_bufferram(mtd, to, 0); in onenand_otp_write_oob_nolock()
2946 onenand_update_bufferram(mtd, to + this->writesize, 0); in onenand_otp_write_oob_nolock()
2949 ret = this->wait(mtd, FL_WRITING); in onenand_otp_write_oob_nolock()
2956 this->command(mtd, ONENAND_CMD_RESET, 0, 0); in onenand_otp_write_oob_nolock()
2957 this->wait(mtd, FL_RESETING); in onenand_otp_write_oob_nolock()
2982 to += mtd->writesize; in onenand_otp_write_oob_nolock()
2993 typedef int (*otp_op_t)(struct mtd_info *mtd, loff_t form, size_t len,
3006 static int do_otp_read(struct mtd_info *mtd, loff_t from, size_t len, in do_otp_read() argument
3009 struct onenand_chip *this = mtd->priv; in do_otp_read()
3019 this->command(mtd, ONENAND_CMD_OTP_ACCESS, 0, 0); in do_otp_read()
3020 this->wait(mtd, FL_OTPING); in do_otp_read()
3023 onenand_mlc_read_ops_nolock(mtd, from, &ops) : in do_otp_read()
3024 onenand_read_ops_nolock(mtd, from, &ops); in do_otp_read()
3027 this->command(mtd, ONENAND_CMD_RESET, 0, 0); in do_otp_read()
3028 this->wait(mtd, FL_RESETING); in do_otp_read()
3043 static int do_otp_write(struct mtd_info *mtd, loff_t to, size_t len, in do_otp_write() argument
3046 struct onenand_chip *this = mtd->priv; in do_otp_write()
3052 if (len < mtd->writesize) { in do_otp_write()
3054 memset(this->page_buf + len, 0xff, mtd->writesize - len); in do_otp_write()
3056 len = mtd->writesize; in do_otp_write()
3060 this->command(mtd, ONENAND_CMD_OTP_ACCESS, 0, 0); in do_otp_write()
3061 this->wait(mtd, FL_OTPING); in do_otp_write()
3067 ret = onenand_write_ops_nolock(mtd, to, &ops); in do_otp_write()
3071 this->command(mtd, ONENAND_CMD_RESET, 0, 0); in do_otp_write()
3072 this->wait(mtd, FL_RESETING); in do_otp_write()
3087 static int do_otp_lock(struct mtd_info *mtd, loff_t from, size_t len, in do_otp_lock() argument
3090 struct onenand_chip *this = mtd->priv; in do_otp_lock()
3097 this->command(mtd, ONENAND_CMD_OTP_ACCESS, 0, 0); in do_otp_lock()
3098 this->wait(mtd, FL_OTPING); in do_otp_lock()
3103 ops.len = mtd->writesize; in do_otp_lock()
3107 ret = onenand_write_ops_nolock(mtd, mtd->writesize * 49, &ops); in do_otp_lock()
3111 this->command(mtd, ONENAND_CMD_RESET, 0, 0); in do_otp_lock()
3112 this->wait(mtd, FL_RESETING); in do_otp_lock()
3118 ret = onenand_otp_write_oob_nolock(mtd, from, &ops); in do_otp_lock()
3137 static int onenand_otp_walk(struct mtd_info *mtd, loff_t from, size_t len, in onenand_otp_walk() argument
3141 struct onenand_chip *this = mtd->priv; in onenand_otp_walk()
3155 from += mtd->writesize * otp_pages; in onenand_otp_walk()
3161 if (mtd->writesize * otp_pages < from + len) in onenand_otp_walk()
3164 if (mtd->writesize * otp_pages < len) in onenand_otp_walk()
3168 onenand_get_device(mtd, FL_OTPING); in onenand_otp_walk()
3181 otpinfo->length = mtd->writesize; in onenand_otp_walk()
3184 from += mtd->writesize; in onenand_otp_walk()
3190 ret = action(mtd, from, len, &tmp_retlen, buf); in onenand_otp_walk()
3201 onenand_release_device(mtd); in onenand_otp_walk()
3215 static int onenand_get_fact_prot_info(struct mtd_info *mtd, size_t len, in onenand_get_fact_prot_info() argument
3218 return onenand_otp_walk(mtd, 0, len, retlen, (u_char *) buf, NULL, in onenand_get_fact_prot_info()
3232 static int onenand_read_fact_prot_reg(struct mtd_info *mtd, loff_t from, in onenand_read_fact_prot_reg() argument
3235 return onenand_otp_walk(mtd, from, len, retlen, buf, do_otp_read, MTD_OTP_FACTORY); in onenand_read_fact_prot_reg()
3247 static int onenand_get_user_prot_info(struct mtd_info *mtd, size_t len, in onenand_get_user_prot_info() argument
3250 return onenand_otp_walk(mtd, 0, len, retlen, (u_char *) buf, NULL, in onenand_get_user_prot_info()
3264 static int onenand_read_user_prot_reg(struct mtd_info *mtd, loff_t from, in onenand_read_user_prot_reg() argument
3267 return onenand_otp_walk(mtd, from, len, retlen, buf, do_otp_read, MTD_OTP_USER); in onenand_read_user_prot_reg()
3280 static int onenand_write_user_prot_reg(struct mtd_info *mtd, loff_t from, in onenand_write_user_prot_reg() argument
3283 return onenand_otp_walk(mtd, from, len, retlen, buf, do_otp_write, MTD_OTP_USER); in onenand_write_user_prot_reg()
3294 static int onenand_lock_user_prot_reg(struct mtd_info *mtd, loff_t from, in onenand_lock_user_prot_reg() argument
3297 struct onenand_chip *this = mtd->priv; in onenand_lock_user_prot_reg()
3304 : mtd->oobsize); in onenand_lock_user_prot_reg()
3313 len = FLEXONENAND(this) ? mtd->writesize : 16; in onenand_lock_user_prot_reg()
3334 ret = onenand_otp_walk(mtd, from, len, &retlen, buf, do_otp_lock, MTD_OTP_USER); in onenand_lock_user_prot_reg()
3349 static void onenand_check_features(struct mtd_info *mtd) in onenand_check_features() argument
3351 struct onenand_chip *this = mtd->priv; in onenand_check_features()
3486 static int flexonenand_get_boundary(struct mtd_info *mtd) in flexonenand_get_boundary() argument
3488 struct onenand_chip *this = mtd->priv; in flexonenand_get_boundary()
3497 this->command(mtd, FLEXONENAND_CMD_PI_ACCESS, die, 0); in flexonenand_get_boundary()
3498 this->wait(mtd, FL_SYNCING); in flexonenand_get_boundary()
3500 this->command(mtd, FLEXONENAND_CMD_READ_PI, die, 0); in flexonenand_get_boundary()
3501 this->wait(mtd, FL_READING); in flexonenand_get_boundary()
3510 this->command(mtd, ONENAND_CMD_RESET, 0, 0); in flexonenand_get_boundary()
3511 this->wait(mtd, FL_RESETING); in flexonenand_get_boundary()
3527 static void flexonenand_get_size(struct mtd_info *mtd) in flexonenand_get_size() argument
3529 struct onenand_chip *this = mtd->priv; in flexonenand_get_size()
3540 mtd->numeraseregions = this->dies << 1; in flexonenand_get_size()
3543 flexonenand_get_boundary(mtd); in flexonenand_get_size()
3549 mtd->eraseregions[i].offset = ofs; in flexonenand_get_size()
3550 mtd->eraseregions[i].erasesize = 1 << eraseshift; in flexonenand_get_size()
3551 mtd->eraseregions[i].numblocks = in flexonenand_get_size()
3553 ofs += mtd->eraseregions[i].numblocks << eraseshift; in flexonenand_get_size()
3556 mtd->numeraseregions -= 1; in flexonenand_get_size()
3557 mtd->eraseregions[i].numblocks += in flexonenand_get_size()
3563 mtd->eraseregions[i].offset = ofs; in flexonenand_get_size()
3564 mtd->eraseregions[i].erasesize = 1 << eraseshift; in flexonenand_get_size()
3565 mtd->eraseregions[i].numblocks = maxbdry ^ in flexonenand_get_size()
3567 ofs += mtd->eraseregions[i].numblocks << eraseshift; in flexonenand_get_size()
3570 mtd->numeraseregions -= 1; in flexonenand_get_size()
3574 mtd->erasesize = 1 << this->erase_shift; in flexonenand_get_size()
3575 if (mtd->numeraseregions == 1) in flexonenand_get_size()
3576 mtd->erasesize >>= 1; in flexonenand_get_size()
3578 printk(KERN_INFO "Device has %d eraseregions\n", mtd->numeraseregions); in flexonenand_get_size()
3579 for (i = 0; i < mtd->numeraseregions; i++) in flexonenand_get_size()
3582 (unsigned int) mtd->eraseregions[i].offset, in flexonenand_get_size()
3583 mtd->eraseregions[i].erasesize, in flexonenand_get_size()
3584 mtd->eraseregions[i].numblocks); in flexonenand_get_size()
3586 for (die = 0, mtd->size = 0; die < this->dies; die++) { in flexonenand_get_size()
3590 mtd->size += this->diesize[die]; in flexonenand_get_size()
3608 static int flexonenand_check_blocks_erased(struct mtd_info *mtd, int start, int end) in flexonenand_check_blocks_erased() argument
3610 struct onenand_chip *this = mtd->priv; in flexonenand_check_blocks_erased()
3616 .ooblen = mtd->oobsize, in flexonenand_check_blocks_erased()
3626 if (onenand_block_isbad_nolock(mtd, addr, 0)) in flexonenand_check_blocks_erased()
3633 ret = onenand_read_oob_nolock(mtd, addr, &ops); in flexonenand_check_blocks_erased()
3637 for (i = 0; i < mtd->oobsize; i++) in flexonenand_check_blocks_erased()
3641 if (i != mtd->oobsize) { in flexonenand_check_blocks_erased()
3655 static int flexonenand_set_boundary(struct mtd_info *mtd, int die, in flexonenand_set_boundary() argument
3658 struct onenand_chip *this = mtd->priv; in flexonenand_set_boundary()
3683 ret = flexonenand_check_blocks_erased(mtd, min(old, new) + 1, max(old, new)); in flexonenand_set_boundary()
3690 this->command(mtd, FLEXONENAND_CMD_PI_ACCESS, die, 0); in flexonenand_set_boundary()
3691 this->wait(mtd, FL_SYNCING); in flexonenand_set_boundary()
3694 this->command(mtd, FLEXONENAND_CMD_READ_PI, die, 0); in flexonenand_set_boundary()
3695 this->wait(mtd, FL_READING); in flexonenand_set_boundary()
3712 this->command(mtd, ONENAND_CMD_ERASE, addr, 0); in flexonenand_set_boundary()
3713 ret = this->wait(mtd, FL_ERASING); in flexonenand_set_boundary()
3721 this->command(mtd, ONENAND_CMD_PROG, addr, 0); in flexonenand_set_boundary()
3722 ret = this->wait(mtd, FL_WRITING); in flexonenand_set_boundary()
3729 this->command(mtd, FLEXONENAND_CMD_PI_UPDATE, die, 0); in flexonenand_set_boundary()
3730 ret = this->wait(mtd, FL_WRITING); in flexonenand_set_boundary()
3733 this->wait(mtd, FL_RESETING); in flexonenand_set_boundary()
3736 flexonenand_get_size(mtd); in flexonenand_set_boundary()
3748 static int onenand_chip_probe(struct mtd_info *mtd) in onenand_chip_probe() argument
3750 struct onenand_chip *this = mtd->priv; in onenand_chip_probe()
3769 this->wait(mtd, FL_RESETING); in onenand_chip_probe()
3793 static int onenand_probe(struct mtd_info *mtd) in onenand_probe() argument
3795 struct onenand_chip *this = mtd->priv; in onenand_probe()
3800 ret = this->chip_probe(mtd); in onenand_probe()
3815 onenand_check_features(mtd); in onenand_probe()
3821 mtd->numeraseregions = this->dies << 1; in onenand_probe()
3822 mtd->eraseregions = kzalloc(sizeof(struct mtd_erase_region_info) in onenand_probe()
3824 if (!mtd->eraseregions) in onenand_probe()
3836 mtd->writesize = this->read_word(this->base + ONENAND_REG_DATA_BUFFER_SIZE); in onenand_probe()
3839 mtd->writesize <<= 1; in onenand_probe()
3841 mtd->oobsize = mtd->writesize >> 5; in onenand_probe()
3843 mtd->erasesize = mtd->writesize << 6; in onenand_probe()
3850 mtd->erasesize <<= 1; in onenand_probe()
3852 this->erase_shift = ffs(mtd->erasesize) - 1; in onenand_probe()
3853 this->page_shift = ffs(mtd->writesize) - 1; in onenand_probe()
3859 this->writesize = mtd->writesize; in onenand_probe()
3864 flexonenand_get_size(mtd); in onenand_probe()
3866 mtd->size = this->chipsize; in onenand_probe()
3875 mtd->writesize <<= 1; in onenand_probe()
3876 mtd->erasesize <<= 1; in onenand_probe()
3886 static int onenand_suspend(struct mtd_info *mtd) in onenand_suspend() argument
3888 return onenand_get_device(mtd, FL_PM_SUSPENDED); in onenand_suspend()
3895 static void onenand_resume(struct mtd_info *mtd) in onenand_resume() argument
3897 struct onenand_chip *this = mtd->priv; in onenand_resume()
3900 onenand_release_device(mtd); in onenand_resume()
3916 int onenand_scan(struct mtd_info *mtd, int maxchips) in onenand_scan() argument
3919 struct onenand_chip *this = mtd->priv; in onenand_scan()
3929 onenand_setup_wait(mtd); in onenand_scan()
3948 if (onenand_probe(mtd)) in onenand_scan()
3959 this->page_buf = kzalloc(mtd->writesize, GFP_KERNEL); in onenand_scan()
3963 this->verify_buf = kzalloc(mtd->writesize, GFP_KERNEL); in onenand_scan()
3972 this->oob_buf = kzalloc(mtd->oobsize, GFP_KERNEL); in onenand_scan()
3990 switch (mtd->oobsize) { in onenand_scan()
3993 mtd_set_ooblayout(mtd, &flexonenand_ooblayout_ops); in onenand_scan()
3994 mtd->subpage_sft = 0; in onenand_scan()
3996 mtd_set_ooblayout(mtd, &onenand_oob_128_ooblayout_ops); in onenand_scan()
3997 mtd->subpage_sft = 2; in onenand_scan()
4000 mtd->subpage_sft = 0; in onenand_scan()
4003 mtd_set_ooblayout(mtd, &onenand_oob_32_64_ooblayout_ops); in onenand_scan()
4004 mtd->subpage_sft = 2; in onenand_scan()
4008 mtd_set_ooblayout(mtd, &onenand_oob_32_64_ooblayout_ops); in onenand_scan()
4009 mtd->subpage_sft = 1; in onenand_scan()
4014 __func__, mtd->oobsize); in onenand_scan()
4015 mtd->subpage_sft = 0; in onenand_scan()
4017 mtd_set_ooblayout(mtd, &onenand_oob_32_64_ooblayout_ops); in onenand_scan()
4021 this->subpagesize = mtd->writesize >> mtd->subpage_sft; in onenand_scan()
4027 ret = mtd_ooblayout_count_freebytes(mtd); in onenand_scan()
4031 mtd->oobavail = ret; in onenand_scan()
4033 mtd->ecc_strength = 1; in onenand_scan()
4036 mtd->type = ONENAND_IS_MLC(this) ? MTD_MLCNANDFLASH : MTD_NANDFLASH; in onenand_scan()
4037 mtd->flags = MTD_CAP_NANDFLASH; in onenand_scan()
4038 mtd->_erase = onenand_erase; in onenand_scan()
4039 mtd->_point = NULL; in onenand_scan()
4040 mtd->_unpoint = NULL; in onenand_scan()
4041 mtd->_read = onenand_read; in onenand_scan()
4042 mtd->_write = onenand_write; in onenand_scan()
4043 mtd->_read_oob = onenand_read_oob; in onenand_scan()
4044 mtd->_write_oob = onenand_write_oob; in onenand_scan()
4045 mtd->_panic_write = onenand_panic_write; in onenand_scan()
4047 mtd->_get_fact_prot_info = onenand_get_fact_prot_info; in onenand_scan()
4048 mtd->_read_fact_prot_reg = onenand_read_fact_prot_reg; in onenand_scan()
4049 mtd->_get_user_prot_info = onenand_get_user_prot_info; in onenand_scan()
4050 mtd->_read_user_prot_reg = onenand_read_user_prot_reg; in onenand_scan()
4051 mtd->_write_user_prot_reg = onenand_write_user_prot_reg; in onenand_scan()
4052 mtd->_lock_user_prot_reg = onenand_lock_user_prot_reg; in onenand_scan()
4054 mtd->_sync = onenand_sync; in onenand_scan()
4055 mtd->_lock = onenand_lock; in onenand_scan()
4056 mtd->_unlock = onenand_unlock; in onenand_scan()
4057 mtd->_suspend = onenand_suspend; in onenand_scan()
4058 mtd->_resume = onenand_resume; in onenand_scan()
4059 mtd->_block_isbad = onenand_block_isbad; in onenand_scan()
4060 mtd->_block_markbad = onenand_block_markbad; in onenand_scan()
4061 mtd->owner = THIS_MODULE; in onenand_scan()
4062 mtd->writebufsize = mtd->writesize; in onenand_scan()
4066 this->unlock_all(mtd); in onenand_scan()
4068 ret = this->scan_bbt(mtd); in onenand_scan()
4074 flexonenand_set_boundary(mtd, i, flex_bdry[2 * i], in onenand_scan()
4084 void onenand_release(struct mtd_info *mtd) in onenand_release() argument
4086 struct onenand_chip *this = mtd->priv; in onenand_release()
4089 mtd_device_unregister(mtd); in onenand_release()
4106 kfree(mtd->eraseregions); in onenand_release()