support external memories like sdram, psram & nand.
This driver is for the sdram memory interface with the FMC.
+config MPC83XX_SDRAM
+ bool "Enable MPC83XX SDRAM support"
+ depends on RAM
+ help
+ Enable support for the internal DDR Memory Controller of the MPC83xx
+ family of SoCs. Both static configurations, as well as configuring
+ the RAM through the use of SPD (Serial Presence Detect) is supported
+ via device tree settings.
+
+config K3_AM654_DDRSS
+ bool "Enable AM654 DDRSS support"
+ depends on RAM && SOC_K3_AM6
+ help
+ K3 based AM654 devices has DDR memory subsystem that comprises
+ Synopys DDR controller, Synopsis DDR phy and wrapper logic to
+ intergrate these blocks into the device. This DDR subsystem
+ provides an interface to external SDRAM devices. Enabling this
+ config add support for the initialization of the external
+ SDRAM devices connected to DDR subsystem.
+
source "drivers/ram/stm32mp1/Kconfig"