diff --git a/atf-20220606-637ba581b/config.in b/atf-20220606-637ba581b/config.in
index 7fa357aa7..1bb751fac 100644
--- a/atf-20220606-637ba581b/config.in
+++ b/atf-20220606-637ba581b/config.in
@@ -142,15 +142,16 @@ menu "DRAM"
 		config DRAM_SIZE_512
 			bool "512MB"
 			depends on (PLAT_MT7981 && DRAM_DDR3) || \
-				   (PLAT_MT7986 && DRAM_DDR3)
+				   (PLAT_MT7986 && DRAM_DDR3) || \
+				   (PLAT_MT7981 && DRAM_DDR4) || \
+				   (PLAT_MT7986 && DRAM_DDR4)
 		config DRAM_SIZE_1024
 			bool "1GB"
 			depends on (PLAT_MT7981 && DRAM_DDR4) || \
 				   (PLAT_MT7986 && DRAM_DDR4)
 		config DRAM_SIZE_2048
 			bool "2GB"
-			depends on (PLAT_MT7981 && DRAM_DDR4) || \
-				   (PLAT_MT7986 && DRAM_DDR4)
+			depends on (PLAT_MT7986 && DRAM_DDR4)
 	endchoice
 	choice DDR3_FREQUENCY
 	bool "DDR3 frequency"
diff --git a/atf-20220606-637ba581b/plat/mediatek/mt7981/platform.mk b/atf-20220606-637ba581b/plat/mediatek/mt7981/platform.mk
index fc7531ae1..57143dd54 100644
--- a/atf-20220606-637ba581b/plat/mediatek/mt7981/platform.mk
+++ b/atf-20220606-637ba581b/plat/mediatek/mt7981/platform.mk
@@ -67,7 +67,7 @@ else
 # Whether supports DDR4
 ifeq ($(DRAM_USE_DDR4), 1)
 BL2_CPPFLAGS		+=	-DDRAM_USE_DDR4
-AVAIL_DRAM_SIZE		:=	1024 2048
+AVAIL_DRAM_SIZE		:=	512 1024
 else
 override DRAM_USE_DDR4	:=	0
 AVAIL_DRAM_SIZE		:=	256 512
diff --git a/atf-20231013-0ea67d76a/config.in b/atf-20231013-0ea67d76a/config.in
index 7fa357aa7..1bb751fac 100644
--- a/atf-20231013-0ea67d76a/config.in
+++ b/atf-20231013-0ea67d76a/config.in
@@ -142,15 +142,16 @@ menu "DRAM"
 		config DRAM_SIZE_512
 			bool "512MB"
 			depends on (PLAT_MT7981 && DRAM_DDR3) || \
-				   (PLAT_MT7986 && DRAM_DDR3)
+				   (PLAT_MT7986 && DRAM_DDR3) || \
+				   (PLAT_MT7981 && DRAM_DDR4) || \
+				   (PLAT_MT7986 && DRAM_DDR4)
 		config DRAM_SIZE_1024
 			bool "1GB"
 			depends on (PLAT_MT7981 && DRAM_DDR4) || \
 				   (PLAT_MT7986 && DRAM_DDR4)
 		config DRAM_SIZE_2048
 			bool "2GB"
-			depends on (PLAT_MT7981 && DRAM_DDR4) || \
-				   (PLAT_MT7986 && DRAM_DDR4)
+			depends on (PLAT_MT7986 && DRAM_DDR4)
 	endchoice
 	choice DDR3_FREQUENCY
 	bool "DDR3 frequency"
diff --git a/atf-20231013-0ea67d76a/plat/mediatek/mt7981/drivers/dram/dram-configs.mk b/atf-20231013-0ea67d76a/plat/mediatek/mt7981/drivers/dram/dram-configs.mk
index 9c54209f3..a82d0346e 100644
--- a/atf-20231013-0ea67d76a/plat/mediatek/mt7981/drivers/dram/dram-configs.mk
+++ b/atf-20231013-0ea67d76a/plat/mediatek/mt7981/drivers/dram/dram-configs.mk
@@ -7,7 +7,7 @@
 # Whether supports DDR4
 ifeq ($(DRAM_USE_DDR4), 1)
 BL2_CPPFLAGS		+=	-DDRAM_USE_DDR4
-AVAIL_DRAM_SIZE		:=	1024 2048
+AVAIL_DRAM_SIZE		:=	512 1024
 else
 override DRAM_USE_DDR4	:=	0
 AVAIL_DRAM_SIZE		:=	256 512