config DRAM_SUN20I_D1 bool depends on ARCH_SUNXI help This enables support for the DRAM controller driver covering the Allwinner D1/R528/T113s SoCs. if DRAM_SUN20I_D1 config DRAM_SUNXI_ODT_EN hex "DRAM ODT EN parameter" help ODT EN value from vendor DRAM settings. config DRAM_SUNXI_TPR0 hex "DRAM TPR0 parameter" help TPR0 value from vendor DRAM settings. config DRAM_SUNXI_TPR11 hex "DRAM TPR11 parameter" help TPR11 value from vendor DRAM settings. config DRAM_SUNXI_TPR12 hex "DRAM TPR12 parameter" help TPR12 value from vendor DRAM settings. config DRAM_SUNXI_TPR13 hex "DRAM TPR13 parameter" help TPR13 value from vendor DRAM settings. It tells which features should be configured. choice prompt "DRAM chip type" default SUNXI_DRAM_TYPE_DDR3 if DRAM_SUN20I_D1 config SUNXI_DRAM_TYPE_DDR2 bool "DDR2 chips" config SUNXI_DRAM_TYPE_DDR3 bool "DDR3 chips" config SUNXI_DRAM_TYPE_LPDDR2 bool "LPDDR2 chips" config SUNXI_DRAM_TYPE_LPDDR3 bool "LPDDR3 chips" endchoice config SUNXI_DRAM_TYPE int default 2 if SUNXI_DRAM_TYPE_DDR2 default 3 if SUNXI_DRAM_TYPE_DDR3 default 6 if SUNXI_DRAM_TYPE_LPDDR2 default 7 if SUNXI_DRAM_TYPE_LPDDR3 endif