Commit b98994cb authored by Daniel Golle's avatar Daniel Golle Committed by Miquel Raynal
Browse files

mtd: spinand: esmt: add support for F50L1G41LC 

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: default avatarDaniel Golle <daniel@makrotopia.org>
Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
parent 1f3dcfe5

drivers/mtd/nand/spi/core.c

+1 −0
Original line number Diff line number Diff line
@@ -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,

drivers/mtd/nand/spi/esmt.c

+24 −0
Original line number Diff line number Diff line
@@ -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",

include/linux/mtd/spinand.h

+1 −0
Original line number Diff line number Diff line
@@ -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;