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mtd: spinand: winbond: add support for W25N01KV

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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
This commit is contained in:
Robert Marko 2024-08-05 19:51:02 +02:00 committed by Miquel Raynal
parent 8400291e28
commit e2a9fcb36e
1 changed files with 26 additions and 0 deletions
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26
drivers/mtd/nand/spi/winbond.c
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@ -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),