diff options
Diffstat (limited to 'drivers/mtd/nand/raw/lpc32xx_slc.c')
| -rw-r--r-- | drivers/mtd/nand/raw/lpc32xx_slc.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/mtd/nand/raw/lpc32xx_slc.c b/drivers/mtd/nand/raw/lpc32xx_slc.c index 6db9d2ed6881..6b7269cfb7d8 100644 --- a/drivers/mtd/nand/raw/lpc32xx_slc.c +++ b/drivers/mtd/nand/raw/lpc32xx_slc.c @@ -23,7 +23,6 @@ #include <linux/mm.h> #include <linux/dma-mapping.h> #include <linux/dmaengine.h> -#include <linux/mtd/nand_ecc.h> #include <linux/gpio.h> #include <linux/of.h> #include <linux/of_gpio.h> @@ -775,6 +774,9 @@ static int lpc32xx_nand_attach_chip(struct nand_chip *chip) struct mtd_info *mtd = nand_to_mtd(chip); struct lpc32xx_nand_host *host = nand_get_controller_data(chip); + if (chip->ecc.engine_type != NAND_ECC_ENGINE_TYPE_ON_HOST) + return 0; + /* OOB and ECC CPU and DMA work areas */ host->ecc_buf = (uint32_t *)(host->data_buf + LPC32XX_DMA_DATA_SIZE); @@ -786,11 +788,22 @@ static int lpc32xx_nand_attach_chip(struct nand_chip *chip) if (mtd->writesize <= 512) mtd_set_ooblayout(mtd, &lpc32xx_ooblayout_ops); + chip->ecc.placement = NAND_ECC_PLACEMENT_INTERLEAVED; /* These sizes remain the same regardless of page size */ chip->ecc.size = 256; + chip->ecc.strength = 1; chip->ecc.bytes = LPC32XX_SLC_DEV_ECC_BYTES; chip->ecc.prepad = 0; chip->ecc.postpad = 0; + chip->ecc.read_page_raw = lpc32xx_nand_read_page_raw_syndrome; + chip->ecc.read_page = lpc32xx_nand_read_page_syndrome; + chip->ecc.write_page_raw = lpc32xx_nand_write_page_raw_syndrome; + chip->ecc.write_page = lpc32xx_nand_write_page_syndrome; + chip->ecc.write_oob = lpc32xx_nand_write_oob_syndrome; + chip->ecc.read_oob = lpc32xx_nand_read_oob_syndrome; + chip->ecc.calculate = lpc32xx_nand_ecc_calculate; + chip->ecc.correct = rawnand_sw_hamming_correct; + chip->ecc.hwctl = lpc32xx_nand_ecc_enable; /* * Use a custom BBT marker setup for small page FLASH that @@ -881,21 +894,9 @@ static int lpc32xx_nand_probe(struct platform_device *pdev) platform_set_drvdata(pdev, host); /* NAND callbacks for LPC32xx SLC hardware */ - chip->ecc.engine_type = NAND_ECC_ENGINE_TYPE_ON_HOST; - chip->ecc.placement = NAND_ECC_PLACEMENT_INTERLEAVED; chip->legacy.read_byte = lpc32xx_nand_read_byte; chip->legacy.read_buf = lpc32xx_nand_read_buf; chip->legacy.write_buf = lpc32xx_nand_write_buf; - chip->ecc.read_page_raw = lpc32xx_nand_read_page_raw_syndrome; - chip->ecc.read_page = lpc32xx_nand_read_page_syndrome; - chip->ecc.write_page_raw = lpc32xx_nand_write_page_raw_syndrome; - chip->ecc.write_page = lpc32xx_nand_write_page_syndrome; - chip->ecc.write_oob = lpc32xx_nand_write_oob_syndrome; - chip->ecc.read_oob = lpc32xx_nand_read_oob_syndrome; - chip->ecc.calculate = lpc32xx_nand_ecc_calculate; - chip->ecc.correct = nand_correct_data; - chip->ecc.strength = 1; - chip->ecc.hwctl = lpc32xx_nand_ecc_enable; /* * Allocate a large enough buffer for a single huge page plus |