k7ddrphy: add ODELAYE2 on dm path to match dq path (ODELAYE2 even configure with...

diff --git a/misoclib/sdramphy/k7ddrphy.py b/misoclib/sdramphy/k7ddrphy.py
index 656d3fec4bcd0d6915258a8f5fdc7c744d4e2040..cd0719601143f8971dd0115760863d694a0c6158 100644 (file)
--- a/misoclib/sdramphy/k7ddrphy.py
+++ b/misoclib/sdramphy/k7ddrphy.py
@@ -100,13 +100,14 @@ class K7DDRPHY(Module):
 
                oe = Signal()
                for i in range(d//8):
+                       dm_o_nodelay = Signal()
                        self.specials += \
                                Instance("OSERDESE2",
                                        p_DATA_WIDTH=8, p_TRISTATE_WIDTH=1,
                                        p_DATA_RATE_OQ="DDR", p_DATA_RATE_TQ="SDR",
                                        p_SERDES_MODE="MASTER",
 
-                                       o_OQ=pads.dm[i],
+                                       o_OQ=dm_o_nodelay,
                                        i_OCE=1,
                                        i_RST=ResetSignal(),
                                        i_CLK=ClockSignal("sys4x"), i_CLKDIV=ClockSignal(),
@@ -115,6 +116,14 @@ class K7DDRPHY(Module):
                                        i_D5=self.dfi.phases[2].wrdata_mask[i], i_D6=self.dfi.phases[2].wrdata_mask[d//8+i],
                                        i_D7=self.dfi.phases[3].wrdata_mask[i], i_D8=self.dfi.phases[3].wrdata_mask[d//8+i]
                                )
+                       self.specials += \
+                               Instance("ODELAYE2",
+                                       p_DELAY_SRC="ODATAIN", p_SIGNAL_PATTERN="DATA",
+                                       p_CINVCTRL_SEL="FALSE", p_HIGH_PERFORMANCE_MODE="TRUE", p_REFCLK_FREQUENCY=200.0,
+                                       p_PIPE_SEL="FALSE", p_ODELAY_TYPE="FIXED", p_ODELAY_VALUE=0,
+
+                                       o_ODATAIN=dm_o_nodelay, o_DATAOUT=pads.dm[i]
+                               )                       
                        dqs_nodelay = Signal()
                        dqs_delayed = Signal()
                        dqs_t = Signal()