diff --git a/plat/mediatek/mt8183/aarch64/platform_common.c b/plat/mediatek/mt8183/aarch64/platform_common.c
new file mode 100644
index 0000000..ff0aaeb
--- /dev/null
+++ b/plat/mediatek/mt8183/aarch64/platform_common.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <platform_def.h>
+#include <lib/utils.h>
+#include <lib/xlat_tables/xlat_tables.h>
+
+/* Table of regions to map using the MMU.  */
+const mmap_region_t plat_mmap[] = {
+	/* for TF text, RO, RW */
+	MAP_REGION_FLAT(TZRAM_BASE, TZRAM_SIZE,
+			MT_MEMORY | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(MTK_DEV_RNG0_BASE, MTK_DEV_RNG0_SIZE,
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(MTK_DEV_RNG1_BASE, MTK_DEV_RNG1_SIZE,
+			MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(MTK_DEV_RNG2_BASE, MTK_DEV_RNG2_SIZE,
+			MT_DEVICE | MT_RW | MT_SECURE),
+	{ 0 }
+};
+
+/*******************************************************************************
+ * Macro generating the code for the function setting up the pagetables as per
+ * the platform memory map & initialize the mmu, for the given exception level
+ ******************************************************************************/
+void plat_configure_mmu_el3(uintptr_t total_base,
+			    uintptr_t total_size,
+			    uintptr_t ro_start,
+			    uintptr_t ro_limit,
+			    uintptr_t coh_start,
+			    uintptr_t coh_limit)
+{
+	mmap_add_region(total_base, total_base, total_size,
+			MT_MEMORY | MT_RW | MT_SECURE);
+	mmap_add_region(ro_start, ro_start, ro_limit - ro_start,
+			MT_MEMORY | MT_RO | MT_SECURE);
+	mmap_add_region(coh_start, coh_start, coh_limit - coh_start,
+			MT_DEVICE | MT_RW | MT_SECURE);
+	mmap_add(plat_mmap);
+	init_xlat_tables();
+	enable_mmu_el3(0);
+}
+
+unsigned int plat_get_syscnt_freq2(void)
+{
+	return SYS_COUNTER_FREQ_IN_TICKS;
+}