+
+/* pass open firmware flat tree */
+#define CONFIG_OF_LIBFDT 1
+#define CONFIG_OF_BOARD_SETUP 1
+
+#define OF_CPU "PowerPC,8247@0"
+#define OF_SOC "soc@f0000000"
+#define OF_TBCLK (bd->bi_busfreq / 4)
+#define OF_STDOUT_PATH "/soc@f0000000/serial8250@e0008000"
+
+