--- linux-2.6.23/include/asm-sh/mmu_context.h.orig	2008-10-22 16:08:03.000000000 +0200
+++ linux-2.6.23/include/asm-sh/mmu_context.h	2008-10-22 15:04:40.000000000 +0200
@@ -191,7 +191,9 @@
 
 	/* Enable MMU */
 #ifdef CONFIG_32BIT
-	if (1) /* SH4-202 and SE */
+#ifndef CONFIG_CPU_SUBTYPE_STX7105
+	if ((ctrl_inl(MMUCR)&MMUCR_SE)==MMUCR_SE) /* SH4-202 and SE */
+#endif
 		mmucr_init |= MMUCR_SE;
 #endif
 
