1config IMX8M_DRAM 2 bool "imx8m dram" 3 4config IMX8M_LPDDR4 5 bool "imx8m lpddr4" 6 select IMX8M_DRAM 7 help 8 Select the i.MX8M LPDDR4 driver support on i.MX8M SOC. 9 10config IMX8M_DDR4 11 bool "imx8m ddr4" 12 select IMX8M_DRAM 13 help 14 Select the i.MX8M DDR4 driver support on i.MX8M SOC. 15 16config SAVED_DRAM_TIMING_BASE 17 hex "Define the base address for saved dram timing" 18 help 19 after DRAM is trained, need to save the dram related timming 20 info into memory for low power use. OCRAM_S is used for this 21 purpose on i.MX8MM. 22 default 0x180000 23