diff --git a/arch/arm/mach-uniphier/arm64/Makefile b/arch/arm/mach-uniphier/arm64/Makefile
index eb34c207ce..06072f23bd 100644
--- a/arch/arm/mach-uniphier/arm64/Makefile
+++ b/arch/arm/mach-uniphier/arm64/Makefile
@@ -9,5 +9,7 @@ obj-y += mem_map.o
 ifdef CONFIG_ARMV8_MULTIENTRY
 obj-y += smp.o smp_kick_cpus.o
 obj-$(CONFIG_ARCH_UNIPHIER_LD20) += arm-cci500.o
+else
+obj-$(CONFIG_ARCH_UNIPHIER_LD20) += lowlevel_init.o
 endif
 endif
diff --git a/arch/arm/mach-uniphier/arm64/lowlevel_init.S b/arch/arm/mach-uniphier/arm64/lowlevel_init.S
new file mode 100644
index 0000000000..e52db1d7fc
--- /dev/null
+++ b/arch/arm/mach-uniphier/arm64/lowlevel_init.S
@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) 2017 Socionext Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <linux/linkage.h>
+
+ENTRY(lowlevel_init)
+	/* LD20 needs the following code to boot.  I do not know why. */
+	mrs	x0, sctlr_el1
+	msr	sctlr_el1, x0
+	ret
+ENDPROC(lowlevel_init)