Added pll to simulation

CON/timing.sdc

@@ -2,5 +2,6 @@
 //All rights reserved.
 //File Title: Timing Constraints file
 //Tool Version: V1.9.12 
-//Created Time: 2025-10-01 13:43:45
+//Created Time: 2025-10-01 16:50:37
 create_clock -name CLK_IN -period 37.037 -waveform {0 18.518} [get_ports {clk}]
+create_clock -name CLK_120 -period 8.333 -waveform {0 4.167} [get_nets {clk_120}]

HW/toplevel.v

@@ -7,8 +7,15 @@ module toplevel(
     output wire led
 );
     reg led_v;
+    wire clk_120;
 
-    always @(posedge clk or negedge reset_n) begin
+    gw_pllvr m_pll(
+        .clkout(clk_120),
+        .reset(!reset_n),
+        .clkin(clk)
+    );
+
+    always @(posedge clk_120 or negedge reset_n) begin
       if (!reset_n) begin
         led_v <= 1'b0;
       end else begin

SIM/toplevel_tb.v

@@ -23,20 +23,37 @@ module toplevel_tb;
 
         #50 reset_n <= 1'b1;
 
-        #70 button <= 1'b1;
+        // Wait for clk 120 starts
+        @(posedge toplevel_tb.m_toplevel.clk_120);
+
+        #78 button <= 1'b1;
 
         #185 button <= 1'b0;
 
-        #200
+        #400
         $finish;
     end
 
     always #37 clk = ~clk;
 
-`ifdef TIMING_SIM
+    // Simulation stuff
+    // PLL quickstart
+    `ifndef TIMING_SIM
+    reg tb_pll_clk = 1'b0;
+    always #4.15 tb_pll_clk = ~tb_pll_clk;
+    initial begin
+        @(posedge reset_n);
+        repeat (8) @(posedge clk);      // give the model time to measure CLKIN
+        force toplevel_tb.m_toplevel.m_pll.pllvr_inst.LOCK    = 1'b1;
+        force toplevel_tb.m_toplevel.m_pll.pllvr_inst.CLKOUT  = tb_pll_clk;
+        force toplevel_tb.m_toplevel.m_pll.pllvr_inst.CLKOUTP = tb_pll_clk;
+    end
+    `endif
+    // SDF annotation
+    `ifdef TIMING_SIM
     initial begin
         $sdf_annotate("impl/pnr/modem.sdf", m_toplevel, , , "MAXIMUM");
     end
-`endif
+    `endif
 
 endmodule

modem.gprj

@@ -6,7 +6,7 @@
     <Device name="GW1NSR-4C" pn="GW1NSR-LV4CQN48PC7/I6">gw1nsr4c-009</Device>
     <FileList>
         <File path="HW/toplevel.v" type="file.verilog" enable="1"/>
-        <File path="IP/ge_pllvr/gw_pllvr.v" type="file.verilog" enable="1"/>
+        <File path="IP/gw_pllvr/gw_pllvr.v" type="file.verilog" enable="1"/>
         <File path="CON/io.cst" type="file.cst" enable="1"/>
         <File path="CON/timing.sdc" type="file.sdc" enable="1"/>
     </FileList>

modem.gprj.user

@@ -22,6 +22,6 @@
         <ResultFile ResultFileType="RES.syn.report" ResultFilePath="impl/gwsynthesis/modem_syn.rpt.html"/>
         <ResultFile ResultFileType="RES.syn.resource" ResultFilePath="impl/gwsynthesis/modem_syn_rsc.xml"/>
     </ResultFileList>
-    <Ui>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</Ui>
+    <Ui></Ui>
     <FpUi>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</FpUi>
 </UserConfig>

scripts/run_postsim.sh

@@ -1,7 +1,7 @@
 cvc \
   +define+TIMING_SIM \
   +acc \
-  +sdfverbose \
+  +sdf_noerrors +sdf_nowarns \
   +show_canceled_e +suppress_warns+653+3102 \
   -v SIM/prim_tsim.v \
   impl/pnr/modem.vo \

scripts/run_sim.sh

@@ -7,6 +7,8 @@
 cvc +acc \
     +show_canceled_e +suppress_warns+653+3102 \
     -v SIM/prim_tsim.v \
+    +define+FAST_PLL_SIM \
+    IP/gw_pllvr/gw_pllvr.v \
     HW/toplevel.v \
     SIM/toplevel_tb.v \
     +librescan