diff --git a/core/arch/arm/plat-mediatek/conf.mk b/core/arch/arm/plat-mediatek/conf.mk
index 72555a1c046..bd83bdc9be7 100644
--- a/core/arch/arm/plat-mediatek/conf.mk
+++ b/core/arch/arm/plat-mediatek/conf.mk
@@ -14,6 +14,10 @@ CFG_DRAM_BASE ?= 0x40000000
 # default DRAM size 1 GiB
 CFG_DRAM_SIZE ?= 0x40000000
 
+# When need to create a virtual memory pool for mapping other
+# physical address, enable the config to increase MAX_XLAT_TABLES.
+CFG_MTK_RESERVED_VA ?= n
+
 ifeq ($(PLATFORM_FLAVOR),mt8173)
 # 2**1 = 2 cores per cluster
 $(call force,CFG_TEE_CORE_NB_CORE,4)
diff --git a/core/arch/arm/plat-mediatek/platform_config.h b/core/arch/arm/plat-mediatek/platform_config.h
index ced421f64f2..c85b0d0b722 100644
--- a/core/arch/arm/plat-mediatek/platform_config.h
+++ b/core/arch/arm/plat-mediatek/platform_config.h
@@ -123,8 +123,9 @@
 #error "Unknown platform flavor"
 #endif
 
-#ifdef CFG_WITH_LPAE
-#define MAX_XLAT_TABLES		5
+#ifdef CFG_MTK_RESERVED_VA
+#define MAX_XLAT_TABLES		(30 + (CFG_RESERVED_VASPACE_SIZE) / \
+				 (CORE_MMU_PGDIR_SIZE) + 1)
 #endif
 
 #endif /*PLATFORM_CONFIG_H*/