This part is an FRAM, but can be used through the spi-nor generic code.
Signed-off-by: Christoph Reiter mailto:christoph.rei...@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.rei...@evk.biz
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