diff --git a/plat/mediatek/mt8188/include/plat_helpers.h b/plat/mediatek/mt8188/include/plat_helpers.h
new file mode 100644
index 0000000..eb78623
--- /dev/null
+++ b/plat/mediatek/mt8188/include/plat_helpers.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLAT_HELPERS_H
+#define PLAT_HELPERS_H
+
+unsigned int plat_mediatek_calc_core_pos(u_register_t mpidr);
+
+#endif /* PLAT_HELPERS_H */
diff --git a/plat/mediatek/mt8188/include/plat_macros.S b/plat/mediatek/mt8188/include/plat_macros.S
new file mode 100644
index 0000000..a6e05a9
--- /dev/null
+++ b/plat/mediatek/mt8188/include/plat_macros.S
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLAT_MACROS_S
+#define PLAT_MACROS_S
+
+#include <platform_def.h>
+
+.section .rodata.gic_reg_name, "aS"
+gicc_regs:
+	.asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", ""
+gicd_pend_reg:
+	.asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n"	\
+		" Offset:\t\t\tvalue\n"
+newline:
+	.asciz "\n"
+spacer:
+	.asciz ":\t\t0x"
+
+.section .rodata.cci_reg_name, "aS"
+cci_iface_regs:
+	.asciz "cci_snoop_ctrl_cluster0", "cci_snoop_ctrl_cluster1" , ""
+
+	/* ---------------------------------------------
+	 * The below macro prints out relevant GIC
+	 * registers whenever an unhandled exception
+	 * is taken in BL31.
+	 * Clobbers: x0 - x10, x26, x27, sp
+	 * ---------------------------------------------
+	 */
+	.macro plat_crash_print_regs
+	/* TODO: leave implementation to GIC owner */
+	.endm
+
+#endif /* PLAT_MACROS_S */
diff --git a/plat/mediatek/mt8188/include/plat_private.h b/plat/mediatek/mt8188/include/plat_private.h
new file mode 100644
index 0000000..4d4ac85
--- /dev/null
+++ b/plat/mediatek/mt8188/include/plat_private.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLAT_PRIVATE_H
+#define PLAT_PRIVATE_H
+
+/*******************************************************************************
+ * Function and variable prototypes
+ ******************************************************************************/
+void plat_configure_mmu_el3(uintptr_t total_base,
+			    uintptr_t total_size,
+			    uintptr_t ro_start,
+			    uintptr_t ro_limit);
+
+#endif /* PLAT_PRIVATE_H */