Make IPB clock on MGT5100/MPC5200 configurable in board config file;
go back to 66 MHz for stability
diff --git a/include/configs/IceCube.h b/include/configs/IceCube.h
index 64fc6fe..71cd81b 100644
--- a/include/configs/IceCube.h
+++ b/include/configs/IceCube.h
@@ -96,6 +96,12 @@
#define CONFIG_BOOTCOMMAND "bootm 100000" /* autoboot command */
#define CONFIG_BOOTARGS "root=/dev/ram rw"
+#if defined(CONFIG_MPC5200)
+/*
+ * IPB Bus clocking configuration.
+ */
+#undef CFG_IPBSPEED_133 /* define for 133MHz speed */
+#endif
/*
* I2C configuration
*/