+# RCAR_DRAM_MEMRANK must be set, since in case of RCAR_DRAM_LPDDR4_MEMCONF=1
+# ddr_rank_judge is called. But for RCAR_DRAM_MEMRANK=0 it can determine values
+# only for Salvator XS and Starter Kit Pre.
+#
+# RCAR_DRAM_MEMRANK=2 is set because for ATF from BSP v4.7.0:
+#
+# https://github.com/renesas-rcar/arm-trusted-firmware/tree/af9f429a48b438e314289f17947ad5d8036f398e
+#
+# _board_judge returns hardcoded 'brd = 8; /* 8Gbit/2rank */' by default.
+#
+DDR_8G_OPTION = "RCAR_DRAM_LPDDR4_MEMCONF=1 RCAR_DRAM_MEMRANK=2"