From b98994cb9bc24f5c7575c86650f96c384576fdfa Mon Sep 17 00:00:00 2001 From: Daniel Golle Date: Mon, 17 Nov 2025 02:54:19 +0000 Subject: [PATCH] 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: Daniel Golle Signed-off-by: Miquel Raynal --- drivers/mtd/nand/spi/core.c | 1 + drivers/mtd/nand/spi/esmt.c | 24 ++++++++++++++++++++++++ include/linux/mtd/spinand.h | 1 + 3 files changed, 26 insertions(+) diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c index f92133b8e1a60..d207286572d87 100644 --- a/drivers/mtd/nand/spi/core.c +++ b/drivers/mtd/nand/spi/core.c @@ -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, diff --git a/drivers/mtd/nand/spi/esmt.c b/drivers/mtd/nand/spi/esmt.c index 9a9325c0bc497..e60e4ac1fd6fb 100644 --- a/drivers/mtd/nand/spi/esmt.c +++ b/drivers/mtd/nand/spi/esmt.c @@ -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", diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h index 927c10d787695..ce76f5c632e17 100644 --- a/include/linux/mtd/spinand.h +++ b/include/linux/mtd/spinand.h @@ -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; -- 2.47.3