From ae6f10a7e1e1e6194cb1a1ce58f9908f1f1597b5 Mon Sep 17 00:00:00 2001
From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Tue, 21 Aug 2018 15:58:07 +0200
Subject: [PATCH] sdram_init: use 60ohm as rtt_wr default value

Seems the best for point to point according to tn4113_ddr3_point_to_point_design
---
 litedram/sdram_init.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/litedram/sdram_init.py b/litedram/sdram_init.py
index 3789191..2457773 100644
--- a/litedram/sdram_init.py
+++ b/litedram/sdram_init.py
@@ -210,7 +210,7 @@ const unsigned int sdram_dfii_pix_rddata_addr[{n}] = {{
 
         # default electrical settings (point to point)
         rtt_nom = "60ohm"
-        rtt_wr = "120ohm"
+        rtt_wr = "60ohm"
         ron = "34ohm"
 
         # override electrical settings if specified