diff options
| author | Boris BREZILLON <boris.brezillon@free-electrons.com> | 2014-11-30 13:10:30 -0500 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2014-12-01 03:41:50 -0500 |
| commit | 7ca94e07fe8ccbaca9ecb59f388ab8dd93c73e88 (patch) | |
| tree | ad1b92f1e6dcfde6c5c97034a1418430325758ad | |
| parent | da3bc42c1becfde026656df50ad155239d4e1a6b (diff) | |
mtd: nand: gpmi: add raw oob access functions
Implement raw OOB access functions to retrieve OOB bytes when accessing the
NAND in raw mode.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Tested-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
| -rw-r--r-- | drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c index 987de1e3821c..4f3851a24bb2 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c | |||
| @@ -1528,6 +1528,22 @@ static int gpmi_ecc_write_page_raw(struct mtd_info *mtd, | |||
| 1528 | return 0; | 1528 | return 0; |
| 1529 | } | 1529 | } |
| 1530 | 1530 | ||
| 1531 | static int gpmi_ecc_read_oob_raw(struct mtd_info *mtd, struct nand_chip *chip, | ||
| 1532 | int page) | ||
| 1533 | { | ||
| 1534 | chip->cmdfunc(mtd, NAND_CMD_READ0, 0, page); | ||
| 1535 | |||
| 1536 | return gpmi_ecc_read_page_raw(mtd, chip, NULL, 1, page); | ||
| 1537 | } | ||
| 1538 | |||
| 1539 | static int gpmi_ecc_write_oob_raw(struct mtd_info *mtd, struct nand_chip *chip, | ||
| 1540 | int page) | ||
| 1541 | { | ||
| 1542 | chip->cmdfunc(mtd, NAND_CMD_SEQIN, 0, page); | ||
| 1543 | |||
| 1544 | return gpmi_ecc_write_page_raw(mtd, chip, NULL, 1); | ||
| 1545 | } | ||
| 1546 | |||
| 1531 | static int gpmi_block_markbad(struct mtd_info *mtd, loff_t ofs) | 1547 | static int gpmi_block_markbad(struct mtd_info *mtd, loff_t ofs) |
| 1532 | { | 1548 | { |
| 1533 | struct nand_chip *chip = mtd->priv; | 1549 | struct nand_chip *chip = mtd->priv; |
| @@ -1847,6 +1863,8 @@ static int gpmi_init_last(struct gpmi_nand_data *this) | |||
| 1847 | ecc->write_oob = gpmi_ecc_write_oob; | 1863 | ecc->write_oob = gpmi_ecc_write_oob; |
| 1848 | ecc->read_page_raw = gpmi_ecc_read_page_raw; | 1864 | ecc->read_page_raw = gpmi_ecc_read_page_raw; |
| 1849 | ecc->write_page_raw = gpmi_ecc_write_page_raw; | 1865 | ecc->write_page_raw = gpmi_ecc_write_page_raw; |
| 1866 | ecc->read_oob_raw = gpmi_ecc_read_oob_raw; | ||
| 1867 | ecc->write_oob_raw = gpmi_ecc_write_oob_raw; | ||
| 1850 | ecc->mode = NAND_ECC_HW; | 1868 | ecc->mode = NAND_ECC_HW; |
| 1851 | ecc->size = bch_geo->ecc_chunk_size; | 1869 | ecc->size = bch_geo->ecc_chunk_size; |
| 1852 | ecc->strength = bch_geo->ecc_strength; | 1870 | ecc->strength = bch_geo->ecc_strength; |