diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index 485b7dbd4..d79c30baf 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -198,3 +198,18 @@ define archhelp
   echo  '                  (distribution) /sbin/installkernel or'
   echo  '                  install to $$(INSTALL_PATH) and run lilo'
 endef
+
+MAKE_MODULES ?= y
+
+%.img:
+ifeq ("$(CONFIG_MODULES)$(MAKE_MODULES)$(srctree)","yy$(objtree)")
+	$(Q)$(MAKE) rockchip/$*.dtb Image.lz4 modules
+else
+	$(Q)$(MAKE) rockchip/$*.dtb Image.lz4
+endif
+	$(Q)$(KERNEL_SOURCE_PATH)/mvkfile --mv $(vendortree)/rockchip $(objdtstree) $*.dtb .$*.dtb*
+	$(Q)$(KERNEL_SOURCE_PATH)/mvkfile --mv $(KERNEL_SOURCE_PATH)/scripts $(KBUILD_OUTPUT)/scripts resource_tool .resource_tool.cmd
+	$(Q)$(KERNEL_SOURCE_PATH)/scripts/mkimg --dtb $*.dtb
+
+CLEAN_DIRS += out
+CLEAN_FILES += boot.img kernel.img resource.img zboot.img
diff --git a/arch/arm64/include/asm/system_info.h b/arch/arm64/include/asm/system_info.h
new file mode 100644
index 000000000..a82fe791b
--- /dev/null
+++ b/arch/arm64/include/asm/system_info.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_ARM_SYSTEM_INFO_H
+#define __ASM_ARM_SYSTEM_INFO_H
+
+#ifndef __ASSEMBLY__
+
+/* information about the system we're running on */
+extern unsigned int system_rev;
+extern unsigned int system_serial_low;
+extern unsigned int system_serial_high;
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* __ASM_ARM_SYSTEM_INFO_H */
diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c
index 61204ba07..e0e2d919c 100644
--- a/arch/arm64/kernel/cpuinfo.c
+++ b/arch/arm64/kernel/cpuinfo.c
@@ -25,6 +25,12 @@
 #include <linux/smp.h>
 #include <linux/delay.h>
 
+unsigned int system_serial_low;
+EXPORT_SYMBOL(system_serial_low);
+
+unsigned int system_serial_high;
+EXPORT_SYMBOL(system_serial_high);
+
 /*
  * In case the boot CPU is hotpluggable, we record its initial state and
  * current state separately. Certain system registers may contain different
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index 4999caff3..b47d477f4 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -191,6 +191,8 @@ void machine_restart(char *cmd)
 	local_irq_disable();
 	smp_send_stop();
 
+	do_kernel_pre_restart(cmd);
+
 	/*
 	 * UpdateCapsule() depends on the system being reset via
 	 * ResetSystem().