minor adjustments

memctrl/phy/phy_cmd.v

@@ -371,7 +371,8 @@ module  phy_cmd#(
 
 
     wire [7:0] dqs_data;
-    assign dqs_data=phy_dqs_toggle_cur?dqs_pattern[7:0]:8'h0;
+//  assign dqs_data=phy_dqs_toggle_cur?dqs_pattern[7:0]:8'h0;
+    assign dqs_data=phy_dqs_toggle_cur?dqs_pattern[7:0]:8'hff;
     phy_top #(
         .IOSTANDARD_DQ      ("SSTL15_T_DCI"),
         .IOSTANDARD_DQS     ("DIFF_SSTL15_T_DCI"),

py393/x393_pio_sequences.py

@@ -556,7 +556,8 @@ class X393PIOSequences(object):
         cmd_addr += 1
 # nop 4-th rd_buf
         #                          skip     done        bank         ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD      B_RST
-        data=self.func_encode_skip( 0,       0,          ba,          1,  0,  0,  1,    1,    0,    0,  0,   1,        0)
+#       data=self.func_encode_skip( 0,       0,          ba,          1,  0,  0,  1,    1,    0,    0,  0,   1,        0)
+        data=self.func_encode_skip( 0,       0,          ba,          1,  0,  0,  0,    0,    0,    0,  0,   1,        0)
         self.x393_mem.axi_write_single_w(cmd_addr, data, verbose)
         cmd_addr += 1
 #repeat remaining writes

x393_testbench01.sav

 [*]
 [*] GTKWave Analyzer v3.3.64 (w)1999-2014 BSI
-[*] Tue Apr 21 01:47:19 2015
+[*] Tue Apr 21 03:43:52 2015
 [*]
-[dumpfile] "/home/andrey/git/x393/simulation/x393_testbench01-20150420193910060.lxt"
-[dumpfile_mtime] "Tue Apr 21 01:44:01 2015"
-[dumpfile_size] 252436540
+[dumpfile] "/home/andrey/git/x393/simulation/x393_testbench01-20150420194727213.lxt"
+[dumpfile_mtime] "Tue Apr 21 01:52:16 2015"
+[dumpfile_size] 252456387
 [savefile] "/home/andrey/git/x393/x393_testbench01.sav"
-[timestart] 41564660
+[timestart] 41533420
 [size] 1823 1173
 [pos] 2065 0
-*-12.595797 41576250 157271875 157546875 43667500 43655000 44285000 44297500 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
+*-13.595797 41566328 157271875 157546875 43667500 43655000 44285000 44297500 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
 [treeopen] x393_testbench01.
 [treeopen] x393_testbench01.ddr3_i.
 [treeopen] x393_testbench01.x393_i.