diff options
| -rw-r--r-- | drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 65 |
1 files changed, 35 insertions, 30 deletions
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c index 2ab6b3f..59ab069 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c @@ -214,7 +214,6 @@ static bool set_geometry_by_ecc_info(struct gpmi_nand_data *this) if (geo->page_size < mtd->writesize + mtd->oobsize) { of->offset = geo->page_size - mtd->writesize; of->length = mtd->oobsize - of->offset; - mtd->oobavail = gpmi_hw_ecclayout.oobavail = of->length; } geo->payload_size = mtd->writesize; @@ -1582,19 +1581,22 @@ static int gpmi_pre_bbt_scan(struct gpmi_nand_data *this) if (ret) return ret; - /* Adjust the ECC strength according to the chip. */ - this->nand.ecc.strength = this->bch_geometry.ecc_strength; - this->mtd.ecc_strength = this->bch_geometry.ecc_strength; - this->mtd.bitflip_threshold = this->bch_geometry.ecc_strength; - /* NAND boot init, depends on the gpmi_set_geometry(). */ return nand_boot_init(this); } -static int gpmi_scan_bbt(struct mtd_info *mtd) +static void gpmi_nfc_exit(struct gpmi_nand_data *this) +{ + nand_release(&this->mtd); + gpmi_free_dma_buffer(this); +} + +static int gpmi_init_last(struct gpmi_nand_data *this) { + struct mtd_info *mtd = &this->mtd; struct nand_chip *chip = mtd->priv; - struct gpmi_nand_data *this = chip->priv; + struct nand_ecc_ctrl *ecc = &chip->ecc; + struct bch_geometry *bch_geo = &this->bch_geometry; int ret; /* Prepare for the BBT scan. */ @@ -1602,6 +1604,16 @@ static int gpmi_scan_bbt(struct mtd_info *mtd) if (ret) return ret; + /* Init the nand_ecc_ctrl{} */ + ecc->read_page = gpmi_ecc_read_page; + ecc->write_page = gpmi_ecc_write_page; + ecc->read_oob = gpmi_ecc_read_oob; + ecc->write_oob = gpmi_ecc_write_oob; + ecc->mode = NAND_ECC_HW; + ecc->size = bch_geo->ecc_chunk_size; + ecc->strength = bch_geo->ecc_strength; + ecc->layout = &gpmi_hw_ecclayout; + /* * Can we enable the extra features? such as EDO or Sync mode. * @@ -1610,14 +1622,7 @@ static int gpmi_scan_bbt(struct mtd_info *mtd) */ gpmi_extra_init(this); - /* use the default BBT implementation */ - return nand_default_bbt(mtd); -} - -static void gpmi_nfc_exit(struct gpmi_nand_data *this) -{ - nand_release(&this->mtd); - gpmi_free_dma_buffer(this); + return 0; } static int gpmi_nfc_init(struct gpmi_nand_data *this) @@ -1643,33 +1648,33 @@ static int gpmi_nfc_init(struct gpmi_nand_data *this) chip->read_byte = gpmi_read_byte; chip->read_buf = gpmi_read_buf; chip->write_buf = gpmi_write_buf; - chip->ecc.read_page = gpmi_ecc_read_page; - chip->ecc.write_page = gpmi_ecc_write_page; - chip->ecc.read_oob = gpmi_ecc_read_oob; - chip->ecc.write_oob = gpmi_ecc_write_oob; - chip->scan_bbt = gpmi_scan_bbt; chip->badblock_pattern = &gpmi_bbt_descr; chip->block_markbad = gpmi_block_markbad; chip->options |= NAND_NO_SUBPAGE_WRITE; - chip->ecc.mode = NAND_ECC_HW; - chip->ecc.size = 1; - chip->ecc.strength = 8; - chip->ecc.layout = &gpmi_hw_ecclayout; if (of_get_nand_on_flash_bbt(this->dev->of_node)) chip->bbt_options |= NAND_BBT_USE_FLASH | NAND_BBT_NO_OOB; - /* Allocate a temporary DMA buffer for reading ID in the nand_scan() */ + /* + * Allocate a temporary DMA buffer for reading ID in the + * nand_scan_ident(). + */ this->bch_geometry.payload_size = 1024; this->bch_geometry.auxiliary_size = 128; ret = gpmi_alloc_dma_buffer(this); if (ret) goto err_out; - ret = nand_scan(mtd, 1); - if (ret) { - pr_err("Chip scan failed\n"); + ret = nand_scan_ident(mtd, 1, NULL); + if (ret) + goto err_out; + + ret = gpmi_init_last(this); + if (ret) + goto err_out; + + ret = nand_scan_tail(mtd); + if (ret) goto err_out; - } ppdata.of_node = this->pdev->dev.of_node; ret = mtd_device_parse_register(mtd, NULL, &ppdata, NULL, 0); |
