v4.19.13 snapshot.
diff --git a/arch/arm/mach-omap2/am33xx-restart.c b/arch/arm/mach-omap2/am33xx-restart.c
new file mode 100644
index 0000000..5bace6a
--- /dev/null
+++ b/arch/arm/mach-omap2/am33xx-restart.c
@@ -0,0 +1,27 @@
+/*
+ * am33xx-restart.c - Code common to all AM33xx machines.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/kernel.h>
+#include <linux/reboot.h>
+
+#include "common.h"
+#include "prm.h"
+
+/**
+ * am3xx_restart - trigger a software restart of the SoC
+ * @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c
+ * @cmd: passed from the userspace program rebooting the system (if provided)
+ *
+ * Resets the SoC. For @cmd, see the 'reboot' syscall in
+ * kernel/sys.c. No return value.
+ */
+void am33xx_restart(enum reboot_mode mode, const char *cmd)
+{
+ /* TODO: Handle mode and cmd if necessary */
+
+ omap_prm_reset_system();
+}