diff --git a/src/soc/cavium/cn81xx/soc.c b/src/soc/cavium/cn81xx/soc.c
new file mode 100644
index 0000000..03f9122
--- /dev/null
+++ b/src/soc/cavium/cn81xx/soc.c
@@ -0,0 +1,65 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018       Facebook, Inc.
+ * Copyright 2003-2017  Cavium Inc.  <support@cavium.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * Derived from Cavium's BSD-3 Clause OCTEONTX-SDK-6.2.0.
+ */
+
+#include <bootmode.h>
+#include <console/console.h>
+#include <cpu/cpu.h>
+#include <device/device.h>
+#include <soc/addressmap.h>
+#include <soc/clock.h>
+#include <soc/sdram.h>
+#include <soc/timer.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <symbols.h>
+#include <libbdk-boot/bdk-boot.h>
+
+static void soc_read_resources(device_t dev)
+{
+	ram_resource(dev, 0, (uintptr_t)_dram / KiB, sdram_size_mb() * KiB);
+}
+
+static void soc_init(device_t dev)
+{
+	/* Init ECAM, MDIO, PEM, PHY, QLM ... */
+	bdk_boot();
+
+	/* TODO: additional trustzone init */
+}
+
+static void soc_final(device_t dev)
+{
+	watchdog_disable(0);
+}
+
+static struct device_operations soc_ops = {
+	.read_resources = soc_read_resources,
+	.init = soc_init,
+	.final = soc_final,
+};
+
+static void enable_soc_dev(device_t dev)
+{
+	dev->ops = &soc_ops;
+}
+
+struct chip_operations soc_cavium_cn81xx_ops = {
+	CHIP_NAME("SOC Cavium CN81XX")
+	.enable_dev = enable_soc_dev,
+};