From: Clifford Wolf Date: Sun, 1 Feb 2015 16:09:34 +0000 (+0100) Subject: Added Xilinx example for Basys3 board X-Git-Tag: yosys-0.5~37 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=816fe6bbe0ad90f7a696dd208dae6db8139dfd00;p=yosys.git Added Xilinx example for Basys3 board --- diff --git a/techlibs/xilinx/cells_sim.v b/techlibs/xilinx/cells_sim.v index 285d63dbf..c7f07e400 100644 --- a/techlibs/xilinx/cells_sim.v +++ b/techlibs/xilinx/cells_sim.v @@ -19,7 +19,7 @@ module OBUF(output O, input I); assign O = I; endmodule -module BUFGP(output O, input I); +module BUFG(output O, input I); assign O = I; endmodule @@ -27,6 +27,10 @@ module OBUFT(output O, input I, T); assign O = T ? 1'bz : I; endmodule +module IOBUF(inout IO, output O, input I, T); + assign O = IO, IO = T ? 1'bz : I; +endmodule + module INV(output O, input I); assign O = !I; endmodule diff --git a/techlibs/xilinx/example_basys3/README b/techlibs/xilinx/example_basys3/README new file mode 100644 index 000000000..85b6eab10 --- /dev/null +++ b/techlibs/xilinx/example_basys3/README @@ -0,0 +1,16 @@ + +A simple example design, based on the Digilent BASYS3 board +=========================================================== + +Running Yosys: + yosys run_yosys.ys + +Running Vivado: + vivado -nolog -nojournal -mode batch -source run_vivado.tcl + +Programming board: + vivado -nolog -nojournal -mode batch -source run_prog.tcl + +All of the above: + bash run.sh + diff --git a/techlibs/xilinx/example_basys3/example.v b/techlibs/xilinx/example_basys3/example.v new file mode 100644 index 000000000..2b01a22a8 --- /dev/null +++ b/techlibs/xilinx/example_basys3/example.v @@ -0,0 +1,21 @@ +module example(CLK, LD); + input CLK; + output [15:0] LD; + + wire clock; + reg [15:0] leds; + + BUFG CLK_BUF (.I(CLK), .O(clock)); + OBUF LD_BUF[15:0] (.I(leds), .O(LD)); + + parameter COUNTBITS = 26; + reg [COUNTBITS-1:0] counter; + + always @(posedge CLK) begin + counter <= counter + 1; + if (counter[COUNTBITS-1]) + leds <= 16'h8000 >> counter[COUNTBITS-2:COUNTBITS-5]; + else + leds <= 16'h0001 << counter[COUNTBITS-2:COUNTBITS-5]; + end +endmodule diff --git a/techlibs/xilinx/example_basys3/example.xdc b/techlibs/xilinx/example_basys3/example.xdc new file mode 100644 index 000000000..c1fd0e925 --- /dev/null +++ b/techlibs/xilinx/example_basys3/example.xdc @@ -0,0 +1,21 @@ + +set_property -dict { IOSTANDARD LVCMOS33 PACKAGE_PIN W5 } [get_ports CLK] +set_property -dict { IOSTANDARD LVCMOS33 PACKAGE_PIN U16 } [get_ports {LD[0]}] +set_property -dict { IOSTANDARD LVCMOS33 PACKAGE_PIN E19 } [get_ports {LD[1]}] +set_property -dict { IOSTANDARD LVCMOS33 PACKAGE_PIN U19 } [get_ports {LD[2]}] +set_property -dict { IOSTANDARD LVCMOS33 PACKAGE_PIN V19 } [get_ports {LD[3]}] +set_property -dict { IOSTANDARD LVCMOS33 PACKAGE_PIN W18 } [get_ports {LD[4]}] +set_property -dict { IOSTANDARD LVCMOS33 PACKAGE_PIN U15 } [get_ports {LD[5]}] +set_property -dict { IOSTANDARD LVCMOS33 PACKAGE_PIN U14 } [get_ports {LD[6]}] +set_property -dict { IOSTANDARD LVCMOS33 PACKAGE_PIN V14 } [get_ports {LD[7]}] +set_property -dict { IOSTANDARD LVCMOS33 PACKAGE_PIN V13 } [get_ports {LD[8]}] +set_property -dict { IOSTANDARD LVCMOS33 PACKAGE_PIN V3 } [get_ports {LD[9]}] +set_property -dict { IOSTANDARD LVCMOS33 PACKAGE_PIN W3 } [get_ports {LD[10]}] +set_property -dict { IOSTANDARD LVCMOS33 PACKAGE_PIN U3 } [get_ports {LD[11]}] +set_property -dict { IOSTANDARD LVCMOS33 PACKAGE_PIN P3 } [get_ports {LD[12]}] +set_property -dict { IOSTANDARD LVCMOS33 PACKAGE_PIN N3 } [get_ports {LD[13]}] +set_property -dict { IOSTANDARD LVCMOS33 PACKAGE_PIN P1 } [get_ports {LD[14]}] +set_property -dict { IOSTANDARD LVCMOS33 PACKAGE_PIN L1 } [get_ports {LD[15]}] + +create_clock -add -name sys_clk_pin -period 10.00 -waveform {0 5} [get_ports CLK] + diff --git a/techlibs/xilinx/example_basys3/run.sh b/techlibs/xilinx/example_basys3/run.sh new file mode 100644 index 000000000..10f059103 --- /dev/null +++ b/techlibs/xilinx/example_basys3/run.sh @@ -0,0 +1,4 @@ +#!/bin/bash +yosys run_yosys.ys +vivado -nolog -nojournal -mode batch -source run_vivado.tcl +vivado -nolog -nojournal -mode batch -source run_prog.tcl diff --git a/techlibs/xilinx/example_basys3/run_prog.tcl b/techlibs/xilinx/example_basys3/run_prog.tcl new file mode 100644 index 000000000..d711af840 --- /dev/null +++ b/techlibs/xilinx/example_basys3/run_prog.tcl @@ -0,0 +1,4 @@ +connect_hw_server +open_hw_target [lindex [get_hw_targets] 0] +set_property PROGRAM.FILE example.bit [lindex [get_hw_devices] 0] +program_hw_devices [lindex [get_hw_devices] 0] diff --git a/techlibs/xilinx/example_basys3/run_vivado.tcl b/techlibs/xilinx/example_basys3/run_vivado.tcl new file mode 100644 index 000000000..c3b6a610e --- /dev/null +++ b/techlibs/xilinx/example_basys3/run_vivado.tcl @@ -0,0 +1,9 @@ +read_xdc example.xdc +read_edif example.edif +link_design -part xc7a35tcpg236-1 -top example +opt_design +place_design +route_design +report_utilization +report_timing +write_bitstream -force example.bit diff --git a/techlibs/xilinx/example_basys3/run_yosys.ys b/techlibs/xilinx/example_basys3/run_yosys.ys new file mode 100644 index 000000000..4541826d3 --- /dev/null +++ b/techlibs/xilinx/example_basys3/run_yosys.ys @@ -0,0 +1,2 @@ +read_verilog example.v +synth_xilinx -edif example.edif -top example diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index b3776b3d8..caa7e205d 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -68,6 +68,7 @@ struct SynthXilinxPass : public Pass { log("The following commands are executed by this synthesis command:\n"); log("\n"); log(" begin:\n"); + log(" read_verilog -lib +/xilinx/cells_sim.v\n"); log(" hierarchy -check -top \n"); log("\n"); log(" flatten: (only if -flatten)\n"); @@ -151,6 +152,7 @@ struct SynthXilinxPass : public Pass { if (check_label(active, run_from, run_to, "begin")) { + Pass::call(design, "read_verilog -lib +/xilinx/cells_sim.v"); Pass::call(design, stringf("hierarchy -check -top %s", top_module.c_str())); }