Index: firmware/target/arm/as3525/system-as3525.c
===================================================================
--- firmware/target/arm/as3525/system-as3525.c	(revision 28563)
+++ firmware/target/arm/as3525/system-as3525.c	(working copy)
@@ -369,8 +369,7 @@
 
         asm volatile(
             "mrc p15, 0, r0, c1, c0  \n"
-            "bic r0, r0, #3<<30      \n"   /* clear bus bits */
-            "orr r0, r0, #1<<30      \n"   /* synchronous bus clocking */
+            "orr r0, r0, #3<<30      \n"   /* asynchronous bus clocking */
             "mcr p15, 0, r0, c1, c0  \n"
             : : : "r0" );