diff options
| author | Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu> | 2026-01-19 07:02:37 +0300 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2026-01-29 20:22:14 +0100 |
| commit | 1d9d5f5a5040ff9c8b7b22d54845b3a464286435 (patch) | |
| tree | 74fdcaab7f1addf5386688b4c275009db86d0e5c | |
| parent | 44a2f49b9bdc7e19413230d390ebf224054e6572 (diff) | |
mtd: spinand: add Foresee F35SQB002G flash support
Add support of Foresee F35SQB002G spinand flash
Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
| -rw-r--r-- | drivers/mtd/nand/spi/foresee.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/mtd/nand/spi/foresee.c b/drivers/mtd/nand/spi/foresee.c index c521dd6abc4b..5ff18316092c 100644 --- a/drivers/mtd/nand/spi/foresee.c +++ b/drivers/mtd/nand/spi/foresee.c @@ -11,6 +11,11 @@ #define SPINAND_MFR_FORESEE 0xCD +#define F35SQB002G_STATUS_ECC_MASK (7 << 4) +#define F35SQB002G_STATUS_ECC_NO_BITFLIPS (0 << 4) +#define F35SQB002G_STATUS_ECC_1_3_BITFLIPS (1 << 4) +#define F35SQB002G_STATUS_ECC_UNCOR_ERROR (7 << 4) + static SPINAND_OP_VARIANTS(read_cache_variants, SPINAND_PAGE_READ_FROM_CACHE_1S_1S_4S_OP(0, 1, NULL, 0, 0), SPINAND_PAGE_READ_FROM_CACHE_1S_1S_2S_OP(0, 1, NULL, 0, 0), @@ -70,6 +75,25 @@ static int f35sqa002g_ecc_get_status(struct spinand_device *spinand, u8 status) return -EBADMSG; } +static int f35sqb002g_ecc_get_status(struct spinand_device *spinand, u8 status) +{ + switch (status & F35SQB002G_STATUS_ECC_MASK) { + case F35SQB002G_STATUS_ECC_NO_BITFLIPS: + return 0; + + case F35SQB002G_STATUS_ECC_1_3_BITFLIPS: + return 3; + + case F35SQB002G_STATUS_ECC_UNCOR_ERROR: + return -EBADMSG; + + default: /* (2 << 4) through (6 << 4) are 4-8 corrected errors */ + return ((status & F35SQB002G_STATUS_ECC_MASK) >> 4) + 2; + } + + return -EINVAL; +} + static const struct spinand_info foresee_spinand_table[] = { SPINAND_INFO("F35SQA002G", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x72, 0x72), @@ -91,6 +115,16 @@ static const struct spinand_info foresee_spinand_table[] = { SPINAND_HAS_QE_BIT, SPINAND_ECCINFO(&f35sqa002g_ooblayout, f35sqa002g_ecc_get_status)), + SPINAND_INFO("F35SQB002G", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x52, 0x52), + NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&f35sqa002g_ooblayout, + f35sqb002g_ecc_get_status)), }; static const struct spinand_manufacturer_ops foresee_spinand_manuf_ops = { |