From 3cbbcdfe969ef8258ae2770db316f95842a22432 Mon Sep 17 00:00:00 2001
From: Robert Jordens <rj@m-labs.hk>
Date: Wed, 28 Jun 2017 20:31:40 +0200
Subject: [PATCH] sawg: don't enable_replace for Config

closes #762
---
 artiq/gateware/rtio/phy/sawg.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/artiq/gateware/rtio/phy/sawg.py b/artiq/gateware/rtio/phy/sawg.py
index 093a235c4..7968eb2b6 100644
--- a/artiq/gateware/rtio/phy/sawg.py
+++ b/artiq/gateware/rtio/phy/sawg.py
@@ -17,7 +17,8 @@ class Channel(_ChannelPHY):
         self.phys = []
         cfg = self.i[0]
         rl = rtlink.Interface(rtlink.OInterface(
-            data_width=len(cfg.data), address_width=len(cfg.addr)))
+            data_width=len(cfg.data), address_width=len(cfg.addr),
+            enable_replace=False))
         self.comb += [
             cfg.stb.eq(rl.o.stb),
             rl.o.busy.eq(~cfg.ack),