Kconfig
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config RAM
bool "Enable RAM drivers using Driver Model"
depends on DM
help
This allows drivers to be provided for SDRAM and other RAM
controllers and their type to be specified in the board's device
tree. Generally some parameters are required to set up the RAM and
the RAM size can either be statically defined or dynamically
detected.
config SPL_RAM
bool "Enable RAM support in SPL"
depends on RAM && SPL_DM
help
The RAM subsystem adds a small amount of overhead to the image.
If this is acceptable and you have a need to use RAM drivers in
SPL, enable this option. It might provide a cleaner interface to
setting up RAM (e.g. SDRAM / DDR) within SPL.
config 2GB_LPDDR4
bool "SMARC-iMX8M with 16Gb LPDDR4 Memory"
help
Select this if the board is SMARC-iMX8M-D/L/Q-2G
config 4GB_LPDDR4
bool "SMARC-iMX8M with 32Gb LPDDR4 Memory"
help
Select this if the board is SMARC-iMX8M-D/L/Q-4G
config 2GB_LPDDR4_IND
bool "SMARC-iMX8M with 16Gb LPDDR4 Memory in industrial temperature range"
help
Select this if the board is SMARC-iMX8M-D/L/Q-2G-I
config TPL_RAM
bool "Enable RAM support in TPL"
depends on RAM && TPL_DM
help
The RAM subsystem adds a small amount of overhead to the image.
If this is acceptable and you have a need to use RAM drivers in
TPL, enable this option. It might provide a cleaner interface to
setting up RAM (e.g. SDRAM / DDR) within TPL.
config STM32_SDRAM
bool "Enable STM32 SDRAM support"
depends on RAM
help
STM32F7 family devices support flexible memory controller(FMC) to
support external memories like sdram, psram & nand.
This driver is for the sdram memory interface with the FMC.