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uboot-mediatek: mtd: spinand: esmt: add support for F50L1G41LC
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Add support for esmt F50L1G41LC flash chip. It is used in some recent
Cudy devices.

(cherry picked from commit c84025dea2)
Link: https://github.com/openwrt/openwrt/pull/20963
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Hauke Mehrtens 2025-11-27 22:27:55 +01:00
parent 6ff763e78c
commit 804a2e6c51
2 changed files with 71 additions and 3 deletions
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68
package/boot/uboot-mediatek/patches/102-mtd-spinand-esmt-add-support-for-F50L1G41LC.patch Normal file
View file

@ -0,0 +1,68 @@
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.
--- a/drivers/mtd/nand/spi/core.c
+++ b/drivers/mtd/nand/spi/core.c
@@ -834,6 +834,7 @@ static const struct spinand_manufacturer
&toshiba_spinand_manufacturer,
&winbond_spinand_manufacturer,
&esmt_c8_spinand_manufacturer,
+ &esmt_8c_spinand_manufacturer,
&xtx_spinand_manufacturer,
};
--- a/drivers/mtd/nand/spi/esmt.c
+++ b/drivers/mtd/nand/spi/esmt.c
@@ -13,6 +13,7 @@
/* ESMT uses GigaDevice 0xc8 JECDEC ID on some SPI NANDs */
#define SPINAND_MFR_ESMT_C8 0xc8
+#define SPINAND_MFR_ESMT_8C 0x8c
static SPINAND_OP_VARIANTS(read_cache_variants,
SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
@@ -104,6 +105,18 @@ static const struct mtd_ooblayout_ops f5
.rfree = f50l1g41lb_ooblayout_free,
};
+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)),
+};
+
static const struct spinand_info esmt_c8_spinand_table[] = {
SPINAND_INFO("F50L1G41LB",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x01),
@@ -135,3 +148,11 @@ const struct spinand_manufacturer esmt_c
.nchips = ARRAY_SIZE(esmt_c8_spinand_table),
.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,
+};
--- a/include/linux/mtd/spinand.h
+++ b/include/linux/mtd/spinand.h
@@ -252,6 +252,7 @@ extern const struct spinand_manufacturer
extern const struct spinand_manufacturer toshiba_spinand_manufacturer;
extern const struct spinand_manufacturer winbond_spinand_manufacturer;
extern const struct spinand_manufacturer esmt_c8_spinand_manufacturer;
+extern const struct spinand_manufacturer esmt_8c_spinand_manufacturer;
extern const struct spinand_manufacturer xtx_spinand_manufacturer;
/**

6
package/boot/uboot-mediatek/patches/457-initialized-the-watchdog-subsystem-later.patch
View file

@ -13,7 +13,7 @@ Signed-off-by: Enrico Mioso <mrkiko.rs@gmail.com>
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -663,19 +663,13 @@ static init_fnc_t init_sequence_r[] = {
@@ -651,19 +651,13 @@ static init_fnc_t init_sequence_r[] = {
serial_initialize,
initr_announce,
dm_announce,
@ -33,7 +33,7 @@ Signed-off-by: Enrico Mioso <mrkiko.rs@gmail.com>
#if defined(CONFIG_PCI_INIT_R) && defined(CONFIG_SYS_EARLY_PCI_INIT)
/*
* Do early PCI configuration _before_ the flash gets initialised,
@@ -690,7 +684,6 @@ static init_fnc_t init_sequence_r[] = {
@@ -678,7 +672,6 @@ static init_fnc_t init_sequence_r[] = {
#ifdef CONFIG_MTD_NOR_FLASH
initr_flash,
#endif
@ -41,7 +41,7 @@ Signed-off-by: Enrico Mioso <mrkiko.rs@gmail.com>
#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_X86)
/* initialize higher level parts of CPU like time base and timers */
cpu_init_r,
@@ -719,6 +712,10 @@ static init_fnc_t init_sequence_r[] = {
@@ -707,6 +700,10 @@ static init_fnc_t init_sequence_r[] = {
#ifdef CONFIG_PVBLOCK
initr_pvblock,
#endif