diff --git a/phhgsi_a64_ab/BoardConfig.mk b/phhgsi_a64_ab/BoardConfig.mk
new file mode 100644
index 0000000..b14acfa
--- /dev/null
+++ b/phhgsi_a64_ab/BoardConfig.mk
@@ -0,0 +1,7 @@
+include build/make/target/board/generic_arm_ab/BoardConfig.mk
+include device/phh/treble/board-base.mk
+
+ifeq ($(BOARD_SYSTEMIMAGE_PARTITION_RESERVED_SIZE),)
+BOARD_SYSTEMIMAGE_PARTITION_SIZE := 1572864000
+endif
+TARGET_USES_64_BIT_BINDER := true