drivers/ddr/altera/Kconfig - u-boot - Git at Google

 config ALTERA_SDRAM
 	bool "SoCFPGA DDR SDRAM driver"
 	depends on TARGET_SOCFPGA_GEN5 || TARGET_SOCFPGA_ARRIA10
 	help
 	  Enable DDR SDRAM controller for the SoCFPGA devices.
	config ALTERA_SDRAM
	bool "SoCFPGA DDR SDRAM driver"
	depends on TARGET_SOCFPGA_GEN5 \|\| TARGET_SOCFPGA_ARRIA10
	help
	Enable DDR SDRAM controller for the SoCFPGA devices.