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mtd: spinand: esmt: add support for F50L1G41LC

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This adds support for ESMT F50L1G41LC, which appears to be an updated
version of the already supported F50L1G41LB.
Add esmt_8c SPI_NAND manufacturer to account for the newly used vendor
ID with support for the ESMT F50L1G41LC chip.

Link: https://github.com/openwrt/openwrt/pull/15214#issuecomment-3514824435
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
This commit is contained in:
Daniel Golle
2025-11-17 02:54:19 +00:00
committed by Miquel Raynal
parent 1f3dcfe5fc
commit b98994cb9b
3 changed files with 26 additions and 0 deletions
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1
drivers/mtd/nand/spi/core.c
View File

@@ -1227,6 +1227,7 @@ static const struct nand_ops spinand_ops = {
static const struct spinand_manufacturer *spinand_manufacturers[] = {
&alliancememory_spinand_manufacturer,
&ato_spinand_manufacturer,
&esmt_8c_spinand_manufacturer,
&esmt_c8_spinand_manufacturer,
&fmsh_spinand_manufacturer,
&foresee_spinand_manufacturer,

24
drivers/mtd/nand/spi/esmt.c
View File

@@ -12,6 +12,7 @@
/* ESMT uses GigaDevice 0xc8 JECDEC ID on some SPI NANDs */
#define SPINAND_MFR_ESMT_C8 0xc8
#define SPINAND_MFR_ESMT_8C 0x8c
#define ESMT_F50L1G41LB_CFG_OTP_PROTECT BIT(7)
#define ESMT_F50L1G41LB_CFG_OTP_LOCK \
@@ -184,6 +185,21 @@ static const struct spinand_fact_otp_ops f50l1g41lb_fact_otp_ops = {
.read = spinand_fact_otp_read,
};
static const struct spinand_info esmt_8c_spinand_table[] = {
SPINAND_INFO("F50L1G41LC",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x2C),
NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
NAND_ECCREQ(1, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
&update_cache_variants),
0,
SPINAND_ECCINFO(&f50l1g41lb_ooblayout, NULL),
SPINAND_USER_OTP_INFO(28, 2, &f50l1g41lb_user_otp_ops),
SPINAND_FACT_OTP_INFO(2, 0, &f50l1g41lb_fact_otp_ops)),
};
static const struct spinand_info esmt_c8_spinand_table[] = {
SPINAND_INFO("F50L1G41LB",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x01, 0x7f,
@@ -224,6 +240,14 @@ static const struct spinand_info esmt_c8_spinand_table[] = {
static const struct spinand_manufacturer_ops esmt_spinand_manuf_ops = {
};
const struct spinand_manufacturer esmt_8c_spinand_manufacturer = {
.id = SPINAND_MFR_ESMT_8C,
.name = "ESMT",
.chips = esmt_8c_spinand_table,
.nchips = ARRAY_SIZE(esmt_8c_spinand_table),
.ops = &esmt_spinand_manuf_ops,
};
const struct spinand_manufacturer esmt_c8_spinand_manufacturer = {
.id = SPINAND_MFR_ESMT_C8,
.name = "ESMT",

1
include/linux/mtd/spinand.h
View File

@@ -354,6 +354,7 @@ struct spinand_manufacturer {
/* SPI NAND manufacturers */
extern const struct spinand_manufacturer alliancememory_spinand_manufacturer;
extern const struct spinand_manufacturer ato_spinand_manufacturer;
extern const struct spinand_manufacturer esmt_8c_spinand_manufacturer;
extern const struct spinand_manufacturer esmt_c8_spinand_manufacturer;
extern const struct spinand_manufacturer fmsh_spinand_manufacturer;
extern const struct spinand_manufacturer foresee_spinand_manufacturer;