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mtd: spinand: add Foresee F35SQB002G flash support

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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>
This commit is contained in:
Mikhail Kshevetskiy
2026-01-19 07:02:37 +03:00
committed by Miquel Raynal
parent 44a2f49b9b
commit 1d9d5f5a50
1 changed files with 34 additions and 0 deletions
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34
drivers/mtd/nand/spi/foresee.c
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@@ -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 = {