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mtd: spi-nor: add support for everspin mram flashes

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Signed-off-by: Heinrich Toews <ht@twx-software.de>
This commit is contained in:
Heinrich Toews
2025-12-18 18:55:50 +01:00
parent 1c89e797af
commit b05eba930c
3 changed files with 30 additions and 0 deletions
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drivers/mtd/spi-nor/core.c
+1
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@@ -2003,6 +2003,7 @@ static const struct spi_nor_manufacturer *manufacturers[] = {
&spi_nor_eon,
&spi_nor_esmt,
&spi_nor_everspin,
&spi_mram_everspin,
&spi_nor_fujitsu,
&spi_nor_gigadevice,
&spi_nor_intel,
drivers/mtd/spi-nor/core.h
+1
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@@ -635,6 +635,7 @@ extern const struct spi_nor_manufacturer spi_nor_catalyst;
extern const struct spi_nor_manufacturer spi_nor_eon;
extern const struct spi_nor_manufacturer spi_nor_esmt;
extern const struct spi_nor_manufacturer spi_nor_everspin;
extern const struct spi_nor_manufacturer spi_mram_everspin;
extern const struct spi_nor_manufacturer spi_nor_fujitsu;
extern const struct spi_nor_manufacturer spi_nor_gigadevice;
extern const struct spi_nor_manufacturer spi_nor_intel;
drivers/mtd/spi-nor/everspin.c
+28
View File
@@ -16,8 +16,36 @@ static const struct flash_info everspin_nor_parts[] = {
{ "mr25h40", CAT25_INFO(512 * 1024, 1, 256, 3) },
};
static const struct flash_info everspin_mram_parts[] = {
/* Everspin */
{ "em256lx", INFO(0x6bbb19, 0, 32 * 1024 * 1024, 1)
FLAGS(SPI_NOR_NO_ERASE)
},
{ "em128lx", INFO(0x6bbb18, 0, 16 * 1024 * 1024, 1)
FLAGS(SPI_NOR_NO_ERASE)
},
{ "em064lx", INFO(0x6bbb17, 0, 8 * 1024 * 1024, 1)
FLAGS(SPI_NOR_NO_ERASE)
},
{ "em032lx", INFO(0x6bbb16, 0, 4 * 1024 * 1024, 1)
FLAGS(SPI_NOR_NO_ERASE)
},
{ "em016lx", INFO(0x6bbb15, 0, 2 * 1024 * 1024, 1)
FLAGS(SPI_NOR_NO_ERASE)
},
{ "em008lx", INFO(0x6bbb14, 0, 1 * 1024 * 1024, 1)
FLAGS(SPI_NOR_NO_ERASE)
},
};
const struct spi_nor_manufacturer spi_nor_everspin = {
.name = "everspin",
.parts = everspin_nor_parts,
.nparts = ARRAY_SIZE(everspin_nor_parts),
};
const struct spi_nor_manufacturer spi_mram_everspin = {
.name = "everspin_mram",
.parts = everspin_mram_parts,
.nparts = ARRAY_SIZE(everspin_mram_parts),
};