diff options
| -rw-r--r-- | drivers/mtd/nand/sunxi_nand.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c index e30276d9a9e3..d8ad50fbadb7 100644 --- a/drivers/mtd/nand/sunxi_nand.c +++ b/drivers/mtd/nand/sunxi_nand.c @@ -1073,6 +1073,40 @@ static int sunxi_nfc_hw_syndrome_ecc_write_page(struct mtd_info *mtd, return 0; } +static int sunxi_nfc_hw_common_ecc_read_oob(struct mtd_info *mtd, + struct nand_chip *chip, + int page) +{ + chip->cmdfunc(mtd, NAND_CMD_READ0, 0, page); + + chip->pagebuf = -1; + + return chip->ecc.read_page(mtd, chip, chip->buffers->databuf, 1, page); +} + +static int sunxi_nfc_hw_common_ecc_write_oob(struct mtd_info *mtd, + struct nand_chip *chip, + int page) +{ + int ret, status; + + chip->cmdfunc(mtd, NAND_CMD_SEQIN, 0, page); + + chip->pagebuf = -1; + + memset(chip->buffers->databuf, 0xff, mtd->writesize); + ret = chip->ecc.write_page(mtd, chip, chip->buffers->databuf, 1, page); + if (ret) + return ret; + + /* Send command to program the OOB data */ + chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1); + + status = chip->waitfunc(mtd, chip); + + return status & NAND_STATUS_FAIL ? -EIO : 0; +} + static const s32 tWB_lut[] = {6, 12, 16, 20}; static const s32 tRHW_lut[] = {4, 8, 12, 20}; @@ -1320,6 +1354,8 @@ static int sunxi_nand_hw_common_ecc_ctrl_init(struct mtd_info *mtd, layout->eccbytes = (ecc->bytes * nsectors); + ecc->read_oob = sunxi_nfc_hw_common_ecc_read_oob; + ecc->write_oob = sunxi_nfc_hw_common_ecc_write_oob; ecc->layout = layout; ecc->priv = data; @@ -1351,6 +1387,8 @@ static int sunxi_nand_hw_ecc_ctrl_init(struct mtd_info *mtd, ecc->read_page = sunxi_nfc_hw_ecc_read_page; ecc->write_page = sunxi_nfc_hw_ecc_write_page; + ecc->read_oob_raw = nand_read_oob_std; + ecc->write_oob_raw = nand_write_oob_std; layout = ecc->layout; nsectors = mtd->writesize / ecc->size; @@ -1405,6 +1443,8 @@ static int sunxi_nand_hw_syndrome_ecc_ctrl_init(struct mtd_info *mtd, ecc->prepad = 4; ecc->read_page = sunxi_nfc_hw_syndrome_ecc_read_page; ecc->write_page = sunxi_nfc_hw_syndrome_ecc_write_page; + ecc->read_oob_raw = nand_read_oob_syndrome; + ecc->write_oob_raw = nand_write_oob_syndrome; layout = ecc->layout; nsectors = mtd->writesize / ecc->size; |