Set DRAM's CK_N to low

diff --git a/gram/simulation/simsoctb.v b/gram/simulation/simsoctb.v
index f17737c00c21b9fbed8e2c8baad45cbd263bd001..0dbe61be01ca40149b61645ed379f3638033038f 100644 (file)
--- a/gram/simulation/simsoctb.v
+++ b/gram/simulation/simsoctb.v
@@ -48,7 +48,7 @@ module simsoctb;
   ddr3 ram_chip (
     .rst_n(1'b1),
     .ck(dram_ck),
-    .ck_n(dram_ck_n),
+    .ck_n(1'b0),
     .cke(dram_cke),
     .cs_n(1'b0),
     .ras_n(dram_ras_n),