diff --git a/plat/marvell/armada/a8k/common/mss/mss_bl31_setup.c b/plat/marvell/armada/a8k/common/mss/mss_bl31_setup.c
new file mode 100644
index 0000000..52a8929
--- /dev/null
+++ b/plat/marvell/armada/a8k/common/mss/mss_bl31_setup.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2021 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#include <platform_def.h>
+
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <lib/mmio.h>
+
+#include <armada_common.h>
+
+#include "mss_defs.h"
+
+void mss_start_cp_cm3(int cp)
+{
+	uint32_t magic;
+	uintptr_t sram = MVEBU_CP_REGS_BASE(cp) + MSS_CP_SRAM_OFFSET;
+	uintptr_t regs = MVEBU_CP_REGS_BASE(cp) + MSS_CP_REGS_OFFSET;
+
+	magic = mmio_read_32(sram);
+
+	/* Make sure the FW was loaded */
+	if (magic != MSS_FW_READY_MAGIC) {
+		return;
+	}
+
+	NOTICE("Starting CP%d MSS CPU\n", cp);
+	/* remove the magic */
+	mmio_write_32(sram, 0);
+	/* Release M3 from reset */
+	mmio_write_32(MSS_M3_RSTCR(regs),
+		      (MSS_M3_RSTCR_RST_OFF << MSS_M3_RSTCR_RST_OFFSET));
+}