diff options
| author | Robert Marko <robimarko@gmail.com> | 2024-08-05 19:51:02 +0200 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2024-08-23 19:29:16 +0200 |
| commit | e2a9fcb36e851adb5b25c4acea53a290fd48a636 (patch) | |
| tree | 5eb5b16b5bebca0e0b8ae95484260d5b99518480 /drivers/mtd | |
| parent | 8400291e289ee6b2bf9779ff1c83a291501f017b (diff) | |
mtd: spinand: winbond: add support for W25N01KV
Add support for Winbond W25N01KV 1Gbit SPI-NAND.
It has 4-bit on-die ECC.
Signed-off-by: Robert Marko <robimarko@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240805175125.6658-1-robimarko@gmail.com
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/spi/winbond.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/mtd/nand/spi/winbond.c b/drivers/mtd/nand/spi/winbond.c index ba7c813b9542..f3bb81d7e460 100644 --- a/drivers/mtd/nand/spi/winbond.c +++ b/drivers/mtd/nand/spi/winbond.c @@ -76,6 +76,18 @@ static int w25m02gv_select_target(struct spinand_device *spinand, return spi_mem_exec_op(spinand->spimem, &op); } +static int w25n01kv_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 3) + return -ERANGE; + + region->offset = 64 + (8 * section); + region->length = 7; + + return 0; +} + static int w25n02kv_ooblayout_ecc(struct mtd_info *mtd, int section, struct mtd_oob_region *region) { @@ -100,6 +112,11 @@ static int w25n02kv_ooblayout_free(struct mtd_info *mtd, int section, return 0; } +static const struct mtd_ooblayout_ops w25n01kv_ooblayout = { + .ecc = w25n01kv_ooblayout_ecc, + .free = w25n02kv_ooblayout_free, +}; + static const struct mtd_ooblayout_ops w25n02kv_ooblayout = { .ecc = w25n02kv_ooblayout_ecc, .free = w25n02kv_ooblayout_free, @@ -163,6 +180,15 @@ static const struct spinand_info winbond_spinand_table[] = { &update_cache_variants), 0, SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL)), + SPINAND_INFO("W25N01KV", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xae, 0x21), + NAND_MEMORG(1, 2048, 96, 64, 1024, 20, 1, 1, 1), + NAND_ECCREQ(4, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + 0, + SPINAND_ECCINFO(&w25n01kv_ooblayout, w25n02kv_ecc_get_status)), SPINAND_INFO("W25N02KV", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22), NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1), |