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| author | Zhi-Jun You <hujy652@gmail.com> | 2024-01-07 15:41:20 +0100 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2024-02-05 14:22:16 +0100 |
| commit | e0ccf861b80698a5cc6f97c89bf8d5761f465fce (patch) | |
| tree | 8227f93d4a13714c3e0245469651290087deefb5 /drivers/mtd/nand | |
| parent | Linux 6.8-rc1 (diff) | |
| download | linux-e0ccf861b80698a5cc6f97c89bf8d5761f465fce.tar.xz linux-e0ccf861b80698a5cc6f97c89bf8d5761f465fce.zip | |
mtd: spinand: winbond: add support for W25N04KV
Add support for W25N04KV.
W25N04KV has 8-bit on-die ECC.
Signed-off-by: Zhi-Jun You <hujy652@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240107144120.532-1-hujy652@gmail.com
Diffstat (limited to 'drivers/mtd/nand')
| -rw-r--r-- | drivers/mtd/nand/spi/winbond.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/mtd/nand/spi/winbond.c b/drivers/mtd/nand/spi/winbond.c index 1a473021cca5..ba7c813b9542 100644 --- a/drivers/mtd/nand/spi/winbond.c +++ b/drivers/mtd/nand/spi/winbond.c @@ -15,6 +15,8 @@ #define WINBOND_CFG_BUF_READ BIT(3) +#define W25N04KV_STATUS_ECC_5_8_BITFLIPS (3 << 4) + static SPINAND_OP_VARIANTS(read_cache_variants, SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), @@ -118,6 +120,7 @@ static int w25n02kv_ecc_get_status(struct spinand_device *spinand, return -EBADMSG; case STATUS_ECC_HAS_BITFLIPS: + case W25N04KV_STATUS_ECC_5_8_BITFLIPS: /* * Let's try to retrieve the real maximum number of bitflips * in order to avoid forcing the wear-leveling layer to move @@ -214,6 +217,15 @@ static const struct spinand_info winbond_spinand_table[] = { &update_cache_variants), 0, SPINAND_ECCINFO(&w25m02gv_ooblayout, w25n02kv_ecc_get_status)), + SPINAND_INFO("W25N04KV", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x23), + NAND_MEMORG(1, 2048, 128, 64, 4096, 40, 2, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + 0, + SPINAND_ECCINFO(&w25n02kv_ooblayout, w25n02kv_ecc_get_status)), }; static int winbond_spinand_init(struct spinand_device *spinand) |