[PATCH] mtd: spi-nor-ids: Add Fujitsu MB85RS256TY FRAM

[Christoph Reiter]

This part is an FRAM, but can be used through the spi-nor generic code.

Signed-off-by: Christoph Reiter mailto:christoph.reiter at evk.biz
---
 drivers/mtd/spi/Kconfig       |  6 ++++++
 drivers/mtd/spi/spi-nor-ids.c | 13 +++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/drivers/mtd/spi/Kconfig b/drivers/mtd/spi/Kconfig
index ca60a425ba3..6f92dfaa2ef 100644
--- a/drivers/mtd/spi/Kconfig
+++ b/drivers/mtd/spi/Kconfig
@@ -291,4 +291,10 @@ config SPL_SPI_FLASH_MTD
 
 	  If unsure, say N
 
+config SPI_FRAM_FUJITSU
+	bool "Fujitsu SPI FRAM support"
+	help
+	  Add support for the Fujitsu MB85RS256TY FRAM chip. It's treated the same
+	  as SPI NOR flash at the moment.
+
 endmenu # menu "SPI Flash Support"
diff --git a/drivers/mtd/spi/spi-nor-ids.c b/drivers/mtd/spi/spi-nor-ids.c
index 0383175beb5..83c836b2596 100644
--- a/drivers/mtd/spi/spi-nor-ids.c
+++ b/drivers/mtd/spi/spi-nor-ids.c
@@ -86,6 +86,19 @@ const struct flash_info spi_nor_ids[] = {
 	{ INFO("en25qh128",  0x1c7018, 0, 64 * 1024,  256, 0) },
 	{ INFO("en25s64",    0x1c3817, 0, 64 * 1024,  128, SECT_4K) },
 #endif
+#ifdef CONFIG_SPI_FRAM_FUJITSU
+	/* Fujitsu MB85RS256TY */
+	{
+		INFO_NAME("mb85rs256ty")
+		.id = {0x04, 0x7f, 0x25, 0x00, 0x00},
+		.id_len = 3,
+		.sector_size = 32 * 1024,
+		.n_sectors = 1,
+		.page_size = 32 * 1024, /* Whole chip can be written at once */
+		.flags = SPI_NOR_NO_ERASE,
+		.addr_width = 2,
+	},
+#endif
 #ifdef CONFIG_SPI_FLASH_GIGADEVICE	/* GIGADEVICE */
 	/* GigaDevice */
 	{
-- 
2.46.1.windows.1

----
Christoph Reiter, MSc
Firmware Engineer
EVK DI Kerschhaggl GmbH
Josef-Krainer-Str. 35
8074Raaba-Graz
Austria
P  +43 316 461664 23
christoph.reiter at evk.biz
​
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