Index: head/sys/conf/files.arm64
===================================================================
--- head/sys/conf/files.arm64
+++ head/sys/conf/files.arm64
@@ -157,7 +157,7 @@
 dev/pci/pci_host_generic.c	optional	pci fdt
 dev/psci/psci.c			optional	psci
 dev/psci/psci_arm64.S		optional	psci
-dev/uart/uart_cpu_fdt.c		optional	uart fdt
+dev/uart/uart_cpu_arm64.c	optional	uart
 dev/uart/uart_dev_pl011.c	optional	uart pl011
 dev/usb/controller/dwc_otg_hisi.c optional	dwcotg fdt soc_hisi_hi6220
 dev/usb/controller/generic_ehci.c optional	ehci acpi
Index: head/sys/dev/uart/uart_cpu_arm64.c
===================================================================
--- head/sys/dev/uart/uart_cpu_arm64.c
+++ head/sys/dev/uart/uart_cpu_arm64.c
@@ -0,0 +1,117 @@
+/*-
+ * Copyright (c) 2016 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Andrew Turner under sponsorship from
+ * the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "opt_acpi.h"
+#include "opt_platform.h"
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/systm.h>
+
+#include <vm/vm.h>
+#include <vm/pmap.h>
+
+#include <machine/bus.h>
+
+#include <dev/uart/uart.h>
+#include <dev/uart/uart_bus.h>
+#include <dev/uart/uart_cpu.h>
+
+#ifdef FDT
+#include <dev/fdt/fdt_common.h>
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+#include <dev/uart/uart_cpu_fdt.h>
+#endif
+
+/*
+ * UART console routines.
+ */
+bus_space_tag_t uart_bus_space_io;
+bus_space_tag_t uart_bus_space_mem;
+
+int
+uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
+{
+
+	if (pmap_kextract(b1->bsh) == 0)
+		return (0);
+	if (pmap_kextract(b2->bsh) == 0)
+		return (0);
+	return ((pmap_kextract(b1->bsh) == pmap_kextract(b2->bsh)) ? 1 : 0);
+}
+
+int
+uart_cpu_getdev(int devtype, struct uart_devinfo *di)
+{
+	struct uart_class *class;
+	bus_space_handle_t bsh;
+	bus_space_tag_t bst;
+	u_int rclk, shift;
+	int br, err;
+
+	/* Allow overriding the FDT using the environment. */
+	class = &uart_ns8250_class;
+	err = uart_getenv(devtype, di, class);
+	if (err == 0)
+		return (0);
+
+	if (devtype != UART_DEV_CONSOLE)
+		return (ENXIO);
+
+	err = ENXIO;
+#ifdef FDT
+	err = uart_cpu_fdt_probe(&class, &bst, &bsh, &br, &rclk, &shift);
+#endif
+	if (err != 0)
+		return (err);
+
+	/*
+	 * Finalize configuration.
+	 */
+	di->bas.chan = 0;
+	di->bas.regshft = shift;
+	di->baudrate = br;
+	di->bas.rclk = rclk;
+	di->ops = uart_getops(class);
+	di->databits = 8;
+	di->stopbits = 1;
+	di->parity = UART_PARITY_NONE;
+	di->bas.bst = bst;
+	di->bas.bsh = bsh;
+	uart_bus_space_mem = di->bas.bst;
+	uart_bus_space_io = NULL;
+
+	return (0);
+}