Adding post route simulation to FPGA examples

Examples/blink/logic/Makefile

@@ -63,8 +63,15 @@ build/project_r.twr: build/project_r.ncd
 $(DESIGN).bit:  build/project_r.ncd build/project_r.twr
 	cd build && bitgen project_r.ncd -l -w $(BGFLAGS)
 	@mv -f build/project_r.bit $@
+
+build/project_r.v: build/project_r.ncd
+	cd build &&  netgen -sim -ofmt vhdl project_r.ncd -pcf project.pcf && ngd2ver project.ngd  -w project.v
+
 sim: 
 	cd simulation; $(SIM_CMD) -do $(DESIGN)_TB.do
 
+timesim: build/project_r.v
+	cd simulation; $(SIM_CMD) -do $(DESIGN)_TIMING_TB.do
+
 upload: $(DESIGN).bit
 	scp $(DESIGN).bit root@$(SAKC_IP): 

Examples/blink/logic/simulation/blink_TB.do

@@ -1,11 +1,13 @@
 vlib work
-vlog  +acc  "../blink.v"
-vlog  +acc  "../blink_TB.v"
-vlog  +acc  "glbl.v"
-vsim -t 1ps   -L xilinxcorelib_ver -L unisims_ver  blink_TB_v glbl
+vlog   -incr +libext+.v                    \
+			"../blink.v"       \
+			"../blink_TB.v"    \
+			"glbl.v"
+
+vsim -t 1ps -L simprims_ver -L unisims_ver -L xilinxcorelib_ver blink_TB_v glbl
 view wave
-do wave.do
-#add wave *
+#do wave.do
+add wave *
 add wave /glbl/GSR
 view structure
 view signals

Examples/blink/logic/simulation/blink_TIMING_TB.do

@@ -0,0 +1,10 @@
+vlib work
+vlog   -incr "../build/project.v" "../blink_TB.v" "glbl.v"
+vsim -t 1ps -L simprims_ver -L unisims_ver -L xilinxcorelib_ver   blink_TB_v glbl
+view wave
+#do wave.do
+add wave *
+add wave /glbl/GSR
+view structure
+view signals
+run 15ms

Examples/sram/logic/Makefile

@@ -6,7 +6,6 @@ BGFLAGS         = -g TdoPin:PULLNONE -g DonePin:PULLUP \
 
 SIM_CMD         = /opt/cad/modeltech/bin/vsim 
 SIM_COMP_SCRIPT = simulation/$(DESIGN)_TB.do
-#SIM_INIT_SCRIPT = simulation/$(DESIGN)_init.do
 SIMGEN_OPTIONS  = -p $(FPGA_ARCH) -lang $(LANGUAGE)
 SAKC_IP         = 192.168.254.101
 
@@ -67,8 +66,15 @@ build/project_r.twr: build/project_r.ncd
 $(DESIGN).bit:  build/project_r.ncd build/project_r.twr
 	cd build && bitgen project_r.ncd -l -w $(BGFLAGS)
 	@mv -f build/project_r.bit $@
+
+build/project_r.v: build/project_r.ncd
+	cd build &&  netgen -sim -ofmt vhdl project_r.ncd -pcf project.pcf && ngd2ver project.ngd  -w project.v
+
 sim: 
 	cd simulation; $(SIM_CMD) -do $(DESIGN)_TB.do
 
+timesim: build/project_r.v
+	cd simulation; $(SIM_CMD) -do $(DESIGN)_TIMING_TB.do
+
 upload: $(DESIGN).bit
 	scp $(DESIGN).bit root@$(SAKC_IP): 

Examples/sram/logic/simulation/glbl.v

@@ -0,0 +1,58 @@
+// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/glbl.v,v 1.11.156.1 2007/03/09 18:12:55 patrickp Exp $
+
+`timescale  1 ps / 1 ps
+
+module glbl ();
+
+    parameter ROC_WIDTH = 100000;
+    parameter TOC_WIDTH = 0;
+
+    wire GSR;
+    wire GTS;
+    wire PRLD;
+
+    reg GSR_int;
+    reg GTS_int;
+    reg PRLD_int;
+
+//--------   JTAG Globals --------------
+    wire JTAG_TDO_GLBL;
+    wire JTAG_TCK_GLBL;
+    wire JTAG_TDI_GLBL;
+    wire JTAG_TMS_GLBL;
+    wire JTAG_TRST_GLBL;
+
+    reg JTAG_CAPTURE_GLBL;
+    reg JTAG_RESET_GLBL;
+    reg JTAG_SHIFT_GLBL;
+    reg JTAG_UPDATE_GLBL;
+
+    reg JTAG_SEL1_GLBL = 0;
+    reg JTAG_SEL2_GLBL = 0 ;
+    reg JTAG_SEL3_GLBL = 0;
+    reg JTAG_SEL4_GLBL = 0;
+
+    reg JTAG_USER_TDO1_GLBL = 1'bz;
+    reg JTAG_USER_TDO2_GLBL = 1'bz;
+    reg JTAG_USER_TDO3_GLBL = 1'bz;
+    reg JTAG_USER_TDO4_GLBL = 1'bz;
+
+    assign (weak1, weak0) GSR = GSR_int;
+    assign (weak1, weak0) GTS = GTS_int;
+    assign (weak1, weak0) PRLD = PRLD_int;
+
+    initial begin
+	GSR_int = 1'b1;
+	PRLD_int = 1'b1;
+	#(ROC_WIDTH)
+	GSR_int = 1'b0;
+	PRLD_int = 1'b0;
+    end
+
+    initial begin
+	GTS_int = 1'b1;
+	#(TOC_WIDTH)
+	GTS_int = 1'b0;
+    end
+
+endmodule

Examples/sram/logic/simulation/sram_bus_TB.do

@@ -0,0 +1,12 @@
+vlib work
+vlog   -incr +libext+.v                    \
+			"../sram_bus.v"       \
+			"../sram_bus_TB.v"    \
+			"glbl.v"
+vsim -t 1ps -L simprims_ver -L unisims_ver -L xilinxcorelib_ver sram_bus_TB_v glbl
+view wave
+#do wave.do
+add wave *
+view structure
+view signals
+run 5us

Examples/sram/logic/simulation/sram_bus_TIMING_TB.do

@@ -0,0 +1,9 @@
+vlib work
+vlog   -incr "../build/project.v" "../sram_bus_TB.v" "glbl.v"
+vsim -t 1ps -L simprims_ver -L unisims_ver -L xilinxcorelib_ver   sram_bus_TB_v glbl
+view wave
+#do wave.do
+add wave *
+view structure
+view signals
+run 5us

Examples/sram/logic/simulation/transcript

@@ -0,0 +1,63 @@
+# //  ModelSim SE 6.0d Apr 25 2005 Linux 2.6.32-22-generic
+# //
+# //  Copyright Mentor Graphics Corporation 2005
+# //              All Rights Reserved.
+# //
+# //  THIS WORK CONTAINS TRADE SECRET AND 
+# //  PROPRIETARY INFORMATION WHICH IS THE PROPERTY
+# //  OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS
+# //  AND IS SUBJECT TO LICENSE TERMS.
+# //
+# do sram_bus_TIMING_TB.do 
+# ** Warning: (vlib-34) Library already exists at "work".
+# Model Technology ModelSim SE vlog 6.0d Compiler 2005.04 Apr 25 2005
+# -- Compiling module sram_bus
+# -- Compiling module glbl
+# -- Compiling module sram_bus_TB_v
+# ** Warning: glbl.v(5): 'glbl' already exists.
+# -- Compiling module glbl
+# 
+# Top level modules:
+# 	glbl
+# 	sram_bus_TB_v
+# vsim -L simprims_ver -L unisims_ver -L xilinxcorelib_ver -t 1ps sram_bus_TB_v glbl 
+# Loading work.sram_bus_TB_v
+# Loading work.sram_bus
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.X_ONE
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.X_ZERO
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.X_FF
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.X_SFF
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.X_MUX2
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.X_XOR2
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.X_LUT2
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.X_BUF
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.X_LUT3
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.X_INV
+# Refreshing /opt/cad/modeltech/xilinx/verilog/simprims_ver.X_RAMB16_S2
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.X_RAMB16_S2
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.X_BPAD
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.X_IPAD
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.X_OPAD
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.X_CKBUF
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.X_OBUFT
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.X_OBUF
+# Loading work.glbl
+# ** Warning: (vsim-3017) ../sram_bus_TB.v(21): [TFMPC] - Too few port connections. Expected 8, found 7.
+#         Region: /sram_bus_TB_v/uut
+# ** Warning: (vsim-3015) ../sram_bus_TB.v(21): [PCDPC] - Port size (8 or 8) does not match connection size (1) for port 'sram_data'.
+#         Region: /sram_bus_TB_v/uut
+# ** Warning: (vsim-3722) ../sram_bus_TB.v(21): [TFMPC] - Missing connection for port 'led'.
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.ffsrce
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.sffsrce
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.mux
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.x_lut2_mux4
+# Loading /opt/cad/modeltech/xilinx/verilog/simprims_ver.x_lut3_mux4
+# .main_pane.mdi.interior.cs.vm.paneset.cli_0.wf.clip.cs
+# .main_pane.workspace
+# .main_pane.signals.interior.cs
+
+
+
+
+
+exit

Examples/sram/logic/simulation/wave.do

@@ -0,0 +1,29 @@
+onerror {resume}
+quietly WaveActivateNextPane {} 0
+add wave -noupdate -format Logic -radix hexadecimal /sram_bus_TB_v/clk
+add wave -noupdate -format Literal -radix hexadecimal /sram_bus_TB_v/addr
+add wave -noupdate -format Logic -radix hexadecimal /sram_bus_TB_v/nwe
+add wave -noupdate -format Logic -radix hexadecimal /sram_bus_TB_v/ncs
+add wave -noupdate -format Logic -radix hexadecimal /sram_bus_TB_v/noe
+add wave -noupdate -format Logic -radix hexadecimal /sram_bus_TB_v/reset
+add wave -noupdate -format Logic -radix hexadecimal /sram_bus_TB_v/led
+add wave -noupdate -format Literal -radix hexadecimal {/sram_bus_TB_v/sram_data$inout$reg}
+add wave -noupdate -format Logic -radix hexadecimal /sram_bus_TB_v/sram_data
+add wave -noupdate -format Literal -radix hexadecimal /sram_bus_TB_v/data_tx
+add wave -noupdate -format Logic -radix hexadecimal /glbl/GSR
+TreeUpdate [SetDefaultTree]
+WaveRestoreCursors {{Cursor 1} {154070 ps} 0}
+configure wave -namecolwidth 323
+configure wave -valuecolwidth 100
+configure wave -justifyvalue left
+configure wave -signalnamewidth 0
+configure wave -snapdistance 10
+configure wave -datasetprefix 0
+configure wave -rowmargin 4
+configure wave -childrowmargin 2
+configure wave -gridoffset 0
+configure wave -gridperiod 1
+configure wave -griddelta 40
+configure wave -timeline 0
+update
+WaveRestoreZoom {0 ps} {656250 ps}

Examples/sram/logic/simulation/work/_info

@@ -0,0 +1,32 @@
+m255
+13
+cModel Technology
+d/home/cain/Embedded/ingenic/sakc/nn-usb-fpga/Examples/sram/logic/simulation
+vglbl
+IT?5S;>bN`@zG_25]R_4A33
+VnN]4Gon>inod6>M^M2[SV1
+w1273510321
+Fglbl.v
+L0 5
+OE;L;6.0d;29
+r1
+31
+vsram_bus
+IYS7oKaz71LdIhQ>[[g2fo3
+V7bnNHP1kz?3UaZfjPj4WE1
+w1273511584
+F../build/project.v
+L0 37
+OE;L;6.0d;29
+r1
+31
+vsram_bus_TB_v
+IA=m;kT@<eh:`ekMlOPXX@0
+VQ[@Nfjd=de;Dc[[gj0bf41
+w1273511227
+F../sram_bus_TB.v
+L0 3
+OE;L;6.0d;29
+r1
+31
+nsram_bus_@t@b_v

Examples/sram/logic/simulation/work/glbl/_primary.vhd

@@ -0,0 +1,8 @@
+library verilog;
+use verilog.vl_types.all;
+entity glbl is
+    generic(
+        ROC_WIDTH       : integer := 100000;
+        TOC_WIDTH       : integer := 0
+    );
+end glbl;

Examples/sram/logic/simulation/work/sram_bus/_primary.vhd

@@ -0,0 +1,14 @@
+library verilog;
+use verilog.vl_types.all;
+entity sram_bus is
+    port(
+        clk             : in     vl_logic;
+        reset           : in     vl_logic;
+        ncs             : in     vl_logic;
+        noe             : in     vl_logic;
+        nwe             : in     vl_logic;
+        led             : out    vl_logic;
+        sram_data       : inout  vl_logic_vector(7 downto 0);
+        addr            : in     vl_logic_vector(12 downto 0)
+    );
+end sram_bus;

Examples/sram/logic/simulation/work/sram_bus_@t@b_v/_primary.vhd

@@ -0,0 +1,13 @@
+library verilog;
+use verilog.vl_types.all;
+entity sram_bus_TB_v is
+    generic(
+        PERIOD          : integer := 20;
+        DUTY_CYCLE      : real    := 0.500000;
+        OFFSET          : integer := 0;
+        TSET            : integer := 3;
+        THLD            : integer := 3;
+        NWS             : integer := 3;
+        CAM_OFF         : integer := 4000
+    );
+end sram_bus_TB_v;

Examples/sram/logic/sram_bus_TB.v

@@ -0,0 +1,113 @@
+`timescale 1ns / 1ps
+
+module sram_bus_TB_v;
+
+   // inputs
+   reg clk;
+   reg [12:0] addr;
+   reg nwe;
+   reg ncs;
+   reg noe;
+   reg reset;
+   // leds
+   reg led;
+   // Bidirs
+   reg [7:0] sram_data$inout$reg ;
+
+   // Instantiate the Unit Under Test (UUT)
+   sram_bus uut ( .clk(clk), .reset(reset),
+       .sram_data(sram_data), .addr(addr), .nwe(nwe), 
+       .ncs(ncs), .noe(noe)
+   );
+   parameter PERIOD  = 20;
+   parameter real DUTY_CYCLE = 0.5;
+   parameter OFFSET  = 0;
+   parameter TSET    = 3;
+   parameter THLD    = 3;
+   parameter NWS     = 3;
+   parameter CAM_OFF = 4000;
+	 
+	 reg [15:0] i;
+	 reg [15:0] j;
+	 reg [15:0] k;
+	 reg [15:0] data_tx;	 
+
+
+	event reset_trigger;
+	event reset_done_trigger;
+
+    initial begin // Reset the system, Start the image capture process
+      forever begin 
+        @ (reset_trigger);
+        @ (negedge clk);
+        reset = 1;
+        @ (negedge clk);
+        reset = 0;
+        -> reset_done_trigger;
+      end
+    end
+	 
+    initial begin  // Initialize Inputs
+      clk = 0; addr = 0; nwe = 1; ncs = 1; noe = 1;
+    end
+
+   initial  begin  // Process for clk
+     #OFFSET;
+     forever
+     begin
+       clk = 1'b0;
+       #(PERIOD-(PERIOD*DUTY_CYCLE)) clk = 1'b1;
+       #(PERIOD*DUTY_CYCLE);
+     end
+   end
+
+ initial begin: TEST_CASE	
+     #10 -> reset_trigger;
+     @ (reset_done_trigger); 
+     // Write data to SRAM
+   for(i=0; i<10; i=i+1) begin
+     @ (posedge clk);
+     ncs <= 0;
+     addr <= i[9:0];
+     repeat (TSET) begin
+       @ (posedge clk);
+     end	 
+     nwe <= 0;
+     sram_data$inout$reg 	<= i*2;
+     repeat (NWS) begin
+       @ (posedge clk);
+     end
+     nwe <= 1;
+     repeat (THLD) begin
+       @ (posedge clk);
+     end
+     ncs <= 1;
+     sram_data$inout$reg = {16{1'bz}};
+   end
+   nwe = 1;
+
+   //Read Data
+   for(i=0; i<10; i=i+1) begin
+     @ (posedge clk);
+     ncs <= 0;
+     addr <= i[9:0];
+     repeat (TSET) begin
+       @ (posedge clk);
+     end	 
+     noe <= 0;
+     sram_data$inout$reg 	<= i;
+     repeat (NWS) begin
+       @ (posedge clk);
+     end
+     noe <= 1;
+     repeat (THLD) begin
+      @ (posedge clk);
+     end
+     ncs <= 1;
+     sram_data$inout$reg = {16{1'bz}};
+   end
+ end
+
+
+endmodule
+

plasma/logic/Makefile

@@ -3,11 +3,8 @@ PINS           = $(DESIGN).ucf
 DEVICE          = xc3s500e-fg320-4
 BGFLAGS         = -g TdoPin:PULLNONE -g DonePin:PULLUP \
                   -g CRC:enable -g StartUpClk:CCLK
-
-
 SIM_CMD = /opt/cad/modeltech/bin/vsim 
 SIM_COMP_SCRIPT = simulation/$(DESIGN)_TB.do
-#SIM_INIT_SCRIPT = simulation/$(DESIGN)_init.do
 SIMGEN_OPTIONS = -p $(FPGA_ARCH) -lang $(LANGUAGE)
 
 SRC_HDL             = plasma.vhd alu.vhd control.vhd mem_ctrl.vhd mult.vhd shifter.vhd bus_mux.vhd ddr_ctrl.vhd  mlite_cpu.vhd pc_next.vhd cache.vhd eth_dma.vhd mlite_pack.vhd pipeline.vhd reg_bank.vhd uart.vhd ram_image.vhd
@@ -68,8 +65,15 @@ build/project_r.twr: build/project_r.ncd
 $(DESIGN).bit:  build/project_r.ncd build/project_r.twr
 	cd build && bitgen project_r.ncd -l -w $(BGFLAGS)
 	@mv -f build/project_r.bit $@
-upload: $(DESIGN).bit
-	LD_PRELOAD=/usr/lib/libusb-driver.so impact -batch prog.cmd 
+
+build/project_r.v: build/project_r.ncd
+	cd build &&  netgen -sim -ofmt vhdl project_r.ncd -pcf project.pcf && ngd2ver project.ngd  -w project.v
+
+sim: 
+	cd simulation; $(SIM_CMD) -do $(DESIGN)_TB.do
+
+timesim: build/project_r.v
+	cd simulation; $(SIM_CMD) -do $(DESIGN)_TIMING_TB.do
 
 sim: 
 	cd simulation; $(SIM_CMD) -do $(DESIGN)_TB.do 

plasma/logic/simulation/plasma_TIMING_TB.do

@@ -0,0 +1,9 @@
+vlib work
+vlog -incr "../build/project.v" "../plasma_TB.v" "glbl.v"
+vsim -t 1ps -L simprims_ver -L unisims_ver -L xilinxcorelib_ver   plasma_TB_v glbl
+view wave
+do wave1.do
+#add wave *
+view structure
+view signals
+run 16us