--- linux-2.6.23/arch/sh/kernel/cpu/init.c.orig	2008-10-22 16:08:08.000000000 +0200
+++ linux-2.6.23/arch/sh/kernel/cpu/init.c	2008-10-19 11:12:39.000000000 +0200
@@ -229,6 +229,9 @@
 		panic("Unknown CPU");
 
 #ifdef CONFIG_32BIT
+#ifndef CONFIG_CPU_SUBTYPE_STX7105
+  if ((ctrl_inl(MMUCR)&MMUCR_SE)==MMUCR_SE)
+#endif
 	pmb_init();
 #endif
 
