Update switch to nMigen syntax

[gram.git] / gram / phy / ecp5ddrphy.py

diff --git a/gram/phy/ecp5ddrphy.py b/gram/phy/ecp5ddrphy.py
index 5e3398308eadda3aa34aaa0254d9feff0fe82c6f..9a3818d6bfb0734dfdb61f97491e3d7568478e2b 100644 (file)
--- a/gram/phy/ecp5ddrphy.py
+++ b/gram/phy/ecp5ddrphy.py
@@ -120,13 +120,13 @@ class ECP5DDRPHY(Peripheral, Elaboratable):
         addressbits = len(self.pads.a.o)
         bankbits = len(self.pads.ba.o)
         nranks = 1 if not hasattr(self.pads, "cs_n") else len(self.pads.cs_n)
-        databits = len(self.pads.dq.oe)
+        databits = len(self.pads.dq.o)
         self.dfi = Interface(addressbits, bankbits, nranks, 4*databits, 4)
 
         # PHY settings -----------------------------------------------------------------------------
         tck = 2/(2*2*self._sys_clk_freq)
         nphases = 2
-        databits = len(self.pads.dq.oe)
+        databits = len(self.pads.dq.o)
         nranks = 1 if not hasattr(self.pads, "cs_n") else len(self.pads.cs_n)
         addressbits = len(self.pads.a.o)
         bankbits = len(self.pads.ba.o)
@@ -159,7 +159,7 @@ class ECP5DDRPHY(Peripheral, Elaboratable):
 
         tck = 2/(2*2*self._sys_clk_freq)
         nphases = 2
-        databits = len(self.pads.dq.oe)
+        databits = len(self.pads.dq.o)
         nranks = 1 if not hasattr(self.pads, "cs_n") else len(self.pads.cs_n)
         addressbits = len(self.pads.a.o)
         bankbits = len(self.pads.ba.o)
@@ -250,36 +250,36 @@ class ECP5DDRPHY(Peripheral, Elaboratable):
             rdpntr = Signal(3)
             wrpntr = Signal(3)
             rdly = Signal(7)
-            with m.If(self._dly_sel.storage[i]):
-                with m.If(self._rdly_dq_rst.re):
+            with m.If(self._dly_sel.w_data[i]):
+                with m.If(self._rdly_dq_rst.w_stb):
                     m.d.sync += rdly.eq(0)
-                with m.Elif(self._rdly_dq_inc.re):
+                with m.Elif(self._rdly_dq_inc.w_stb):
                     m.d.sync += rdly.eq(rdly + 1)
             datavalid = Signal()
             burstdet = Signal()
             dqs_read = Signal()
             dqs_bitslip = Signal(2)
-            with m.If(self._dly_sel.storage[i]):
-                with m.If(self._rdly_dq_bitslip_rst.re):
+            with m.If(self._dly_sel.w_data[i]):
+                with m.If(self._rdly_dq_bitslip_rst.w_stb):
                     m.d.sync += dqs_bitslip.eq(0)
-                with m.Elif(self._rdly_dq_bitslip.re):
+                with m.Elif(self._rdly_dq_bitslip.w_stb):
                     m.d.sync += dqs_bitslip.eq(dqs_bitslip + 1)
-            dqs_cases = {}
-            for j, b in enumerate(range(-2, 2)):
-                dqs_cases[j] = dqs_read.eq(
-                    rddata_en[cl_sys_latency + b:cl_sys_latency + b + 2] != 0)
-            m.d.sync += Case(dqs_bitslip, dqs_cases)
+            with m.Switch(dqs_bitslip):
+                for j, b in enumerate(range(-2, 2)):
+                    with m.Case(j):
+                        m.d.sync += dqs_read.eq(rddata_en[cl_sys_latency + b:cl_sys_latency + b + 2] != 0)
+
             m.submodules += Instance("DQSBUFM",
                                      p_DQS_LI_DEL_ADJ="MINUS",
                                      p_DQS_LI_DEL_VAL=1,
                                      p_DQS_LO_DEL_ADJ="MINUS",
                                      p_DQS_LO_DEL_VAL=4,
                                      # Clocks / Reset
-                                     i_SCLK=ClockSignal("sys"),
+                                     i_SCLK=ClockSignal("sync"),
                                      i_ECLK=ClockSignal("sync2x"),
                                      i_RST=ResetSignal("sync2x"),
                                      i_DDRDEL=self.init.delay,
-                                     i_PAUSE=self.init.pause | self._dly_sel.storage[i],
+                                     i_PAUSE=self.init.pause | self._dly_sel.w_data[i],
 
                                      # Control
                                      # Assert LOADNs to use DDRDEL control
@@ -313,7 +313,7 @@ class ECP5DDRPHY(Peripheral, Elaboratable):
                                      )
             burstdet_d = Signal()
             m.d.sync += burstdet_d.eq(burstdet)
-            with m.If(self._burstdet_clr.re):
+            with m.If(self._burstdet_clr.w_stb):
                 m.d.sync += self._burstdet_seen.status[i].eq(0)
             with m.If(burstdet & ~burstdet_d):
                 m.d.sync += self._burstdet_seen.status[i].eq(1)