diff --git a/arch/arm/mach-rmobile/Kconfig.64 b/arch/arm/mach-rmobile/Kconfig.64
index b2ac1cd..e8f16d7 100644
--- a/arch/arm/mach-rmobile/Kconfig.64
+++ b/arch/arm/mach-rmobile/Kconfig.64
@@ -55,6 +55,9 @@
 	bool "Salvator-X board"
 	imply R8A7795
 	imply R8A7796
+	imply SYS_MALLOC_F
+	imply MULTI_DTB_FIT
+	imply MULTI_DTB_FIT_USER_DEFINED_AREA
 	help
           Support for Renesas R-Car Gen3 platform
 
@@ -62,6 +65,9 @@
 	bool "ULCB board"
 	imply R8A7795
 	imply R8A7796
+	imply SYS_MALLOC_F
+	imply MULTI_DTB_FIT
+	imply MULTI_DTB_FIT_USER_DEFINED_AREA
 	help
           Support for Renesas R-Car Gen3 ULCB platform
 
@@ -76,4 +82,15 @@
 source "board/renesas/salvator-x/Kconfig"
 source "board/renesas/ulcb/Kconfig"
 
+config MULTI_DTB_FIT_UNCOMPRESS_SZ
+	default 0x80000 if TARGET_SALVATOR_X
+	default 0x80000 if TARGET_ULCB
+
+config MULTI_DTB_FIT_USER_DEF_ADDR
+	default 0x49000000 if TARGET_SALVATOR_X
+	default 0x49000000 if TARGET_ULCB
+
+config SYS_MALLOC_F_LEN
+	default 0x8000 if RCAR_GEN3
+
 endif
diff --git a/configs/r8a7795_salvator-x_defconfig b/configs/r8a7795_salvator-x_defconfig
index 019e72e..8c5c9ed 100644
--- a/configs/r8a7795_salvator-x_defconfig
+++ b/configs/r8a7795_salvator-x_defconfig
@@ -1,7 +1,6 @@
 CONFIG_ARM=y
 CONFIG_ARCH_RMOBILE=y
 CONFIG_SYS_TEXT_BASE=0x50000000
-CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_RCAR_GEN3=y
 CONFIG_TARGET_SALVATOR_X=y
 CONFIG_SMBIOS_PRODUCT_NAME=""
@@ -29,7 +28,8 @@
 CONFIG_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="r8a7795-salvator-x-u-boot"
 CONFIG_OF_LIST="r8a7795-salvator-x-u-boot r8a7796-salvator-x-u-boot r8a77965-salvator-x-u-boot"
-CONFIG_MULTI_DTB_FIT=y
+CONFIG_MULTI_DTB_FIT_LZO=y
+CONFIG_MULTI_DTB_FIT_USER_DEFINED_AREA=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/configs/r8a7795_ulcb_defconfig b/configs/r8a7795_ulcb_defconfig
index b2f1dfe..5383e8b 100644
--- a/configs/r8a7795_ulcb_defconfig
+++ b/configs/r8a7795_ulcb_defconfig
@@ -29,7 +29,8 @@
 CONFIG_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="r8a7795-h3ulcb-u-boot"
 CONFIG_OF_LIST="r8a7795-h3ulcb-u-boot r8a7796-m3ulcb-u-boot"
-CONFIG_MULTI_DTB_FIT=y
+CONFIG_MULTI_DTB_FIT_LZO=y
+CONFIG_MULTI_DTB_FIT_USER_DEFINED_AREA=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/configs/r8a77965_salvator-x_defconfig b/configs/r8a77965_salvator-x_defconfig
index b34fddd..228d848 100644
--- a/configs/r8a77965_salvator-x_defconfig
+++ b/configs/r8a77965_salvator-x_defconfig
@@ -29,7 +29,8 @@
 CONFIG_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="r8a77965-salvator-x-u-boot"
 CONFIG_OF_LIST="r8a7795-salvator-x-u-boot r8a7796-salvator-x-u-boot r8a77965-salvator-x-u-boot"
-CONFIG_MULTI_DTB_FIT=y
+CONFIG_MULTI_DTB_FIT_LZO=y
+CONFIG_MULTI_DTB_FIT_USER_DEFINED_AREA=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/configs/r8a7796_salvator-x_defconfig b/configs/r8a7796_salvator-x_defconfig
index 6a9c1bd..67d3b51 100644
--- a/configs/r8a7796_salvator-x_defconfig
+++ b/configs/r8a7796_salvator-x_defconfig
@@ -29,7 +29,8 @@
 CONFIG_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="r8a7796-salvator-x-u-boot"
 CONFIG_OF_LIST="r8a7795-salvator-x-u-boot r8a7796-salvator-x-u-boot r8a77965-salvator-x-u-boot"
-CONFIG_MULTI_DTB_FIT=y
+CONFIG_MULTI_DTB_FIT_LZO=y
+CONFIG_MULTI_DTB_FIT_USER_DEFINED_AREA=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/configs/r8a7796_ulcb_defconfig b/configs/r8a7796_ulcb_defconfig
index aff4c9c..6315fef 100644
--- a/configs/r8a7796_ulcb_defconfig
+++ b/configs/r8a7796_ulcb_defconfig
@@ -29,7 +29,8 @@
 CONFIG_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="r8a7796-m3ulcb-u-boot"
 CONFIG_OF_LIST="r8a7795-h3ulcb-u-boot r8a7796-m3ulcb-u-boot"
-CONFIG_MULTI_DTB_FIT=y
+CONFIG_MULTI_DTB_FIT_LZO=y
+CONFIG_MULTI_DTB_FIT_USER_DEFINED_AREA=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y