From 261b6fb42e897cad9eef5c7879839805920d8ac5 Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Sun, 20 Aug 2017 18:20:51 -0400
Subject: [PATCH] artiq_flash: fix AMC_DR_LEN

---
 artiq/frontend/artiq_flash.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/artiq/frontend/artiq_flash.py b/artiq/frontend/artiq_flash.py
index daf48d27c..b73bc6006 100755
--- a/artiq/frontend/artiq_flash.py
+++ b/artiq/frontend/artiq_flash.py
@@ -136,7 +136,7 @@ class ProgrammerSayma(Programmer):
 
             "set XILINX_USER1 0x02",
             "set XILINX_USER2 0x03",
-            "set AMC_DR_LEN 2",
+            "set AMC_DR_LEN 1",
 
             "target create amc_xcu.proxy testee -chain-position amc_xcu.tap",
             "flash bank amc_xcu.spi0 jtagspi 0 0 0 0 amc_xcu.proxy $XILINX_USER1 $AMC_DR_LEN",