diff --git a/sys/src/9/zynq/l.s b/sys/src/9/zynq/l.s
index 4c98983f0..d1e8e98df 100644
--- a/sys/src/9/zynq/l.s
+++ b/sys/src/9/zynq/l.s
@@ -93,14 +93,14 @@ TEXT _virt(SB), $-4
 	MCR 15, 0, R0, C(7), C(5), 6
 	BL l1dclear(SB)
 	MRC 15, 0, R0, C(1), C(0), 1
-	ORR $(1|1<<6), R0
+	ORR $(1|2|1<<6), R0
 	MCR 15, 0, R0, C(1), C(0), 1
 	MRC 15, 0, R0, C(1), C(0), 0
 	ORR $(1<<12|1<<2), R0
 	MCR 15, 0, R0, C(1), C(0), 0
 	DSB
 	ISB
-	
+
 	MOVW $(VMAP+0x30), R8
 	PUTC('9')
 	
diff --git a/sys/src/9/zynq/main.c b/sys/src/9/zynq/main.c
index 6419bcb95..c27879f75 100644
--- a/sys/src/9/zynq/main.c
+++ b/sys/src/9/zynq/main.c
@@ -112,7 +112,7 @@ l2init(void)
 	l2[CTRL] &= ~1;
 	l2[TAGRAM] = l2[TAGRAM] & ~0x777 | 0x111;
 	l2[DATARAM] = l2[DATARAM] & ~0x777 | 0x121;
-	l2[PREFETCH] |= 3<<28;
+	l2[PREFETCH] |= 3<<28 | 1<<24;
 	l2[AUX] |= 3<<28 | 1<<20;
 	l2[INVWAY] = 0xff;
 	while((l2[INVPA] & 1) != 0)