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| author | Ladislav Michl <ladis@linux-mips.org> | 2018-10-28 22:23:22 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-12-14 20:20:27 +0100 |
| commit | babffbb19350d0119f128390c80101dbedd4dbca (patch) | |
| tree | d4e55c57cbca8f34bcf935adf1b89c3653321e96 | |
| parent | 3c9c9a6fee481e7d365455625e69f398680127e8 (diff) | |
| download | barebox-babffbb19350d0119f128390c80101dbedd4dbca.tar.gz barebox-babffbb19350d0119f128390c80101dbedd4dbca.tar.xz | |
mtd: atmel_nand: Add per board ECC setup
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | arch/arm/mach-at91/include/mach/board.h | 2 | ||||
| -rw-r--r-- | drivers/mtd/nand/atmel_nand.c | 3 |
2 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h index 0f2c269732..886f81e9ad 100644 --- a/arch/arm/mach-at91/include/mach/board.h +++ b/arch/arm/mach-at91/include/mach/board.h @@ -64,6 +64,8 @@ struct atmel_nand_data { u8 cle; /* address line number connected to CLE */ u8 bus_width_16; /* buswidth is 16 bit */ u8 ecc_mode; /* NAND_ECC_* */ + u8 ecc_strength; /* number of bits to correct per ECC step */ + u8 ecc_size_shift; /* data bytes covered by a single ECC step.*/ u8 on_flash_bbt; /* Use flash based bbt */ u8 has_pmecc; /* Use PMECC */ u8 bus_on_d0; diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c index 4c1725d096..b4d4e79d91 100644 --- a/drivers/mtd/nand/atmel_nand.c +++ b/drivers/mtd/nand/atmel_nand.c @@ -1297,6 +1297,7 @@ static int atmel_hw_nand_init_params(struct device_d *dev, nand_chip->ecc.hwctl = atmel_nand_hwctl; nand_chip->ecc.read_page = atmel_nand_read_page; nand_chip->ecc.bytes = 4; + nand_chip->ecc.strength = 1; return 0; } @@ -1387,6 +1388,8 @@ static int __init atmel_nand_probe(struct device_d *dev) } nand_chip->ecc.mode = pdata->ecc_mode; + nand_chip->ecc.strength = pdata->ecc_strength ? : 1; + nand_chip->ecc.size = 1 << pdata->ecc_size_shift ? : 512; if (IS_ENABLED(CONFIG_NAND_ECC_HW) && pdata->ecc_mode == NAND_ECC_HW) { |