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+Reboot property to control system reboot on PPC4xx systems:
+
+By setting "reset_type" to one of the following values, the default
+software reset mechanism may be overidden. Here the possible values of
+"reset_type":
+
+ 1 - PPC4xx core reset
+ 2 - PPC4xx chip reset
+ 3 - PPC4xx system reset (default)
+
+Example:
+
+ cpu@0 {
+ device_type = "cpu";
+ model = "PowerPC,440SPe";
+ ...
+ reset-type = <2>; /* Use chip-reset */
+ };