diff options
| -rw-r--r-- | examples/gowin/.gitignore | 6 | ||||
| -rw-r--r-- | examples/gowin/README | 17 | ||||
| -rw-r--r-- | examples/gowin/demo.cst | 17 | ||||
| -rw-r--r-- | examples/gowin/demo.sdc | 1 | ||||
| -rw-r--r-- | examples/gowin/demo.v | 11 | ||||
| -rw-r--r-- | examples/gowin/run.sh | 5 |
6 files changed, 57 insertions, 0 deletions
diff --git a/examples/gowin/.gitignore b/examples/gowin/.gitignore new file mode 100644 index 000000000..823caa1d7 --- /dev/null +++ b/examples/gowin/.gitignore @@ -0,0 +1,6 @@ +demo.bit +demo.out +demo.rpt +demo_syn.v +demo_out.v +demo_tr.html diff --git a/examples/gowin/README b/examples/gowin/README new file mode 100644 index 000000000..0194e9f09 --- /dev/null +++ b/examples/gowin/README @@ -0,0 +1,17 @@ +Simple test project for Gowinsemi GW2A-55K Eval Board Mini. + +Follow the install instructions for the Gowinsemi tools below, +then run "bash run.sh" in this directory. + + +Install instructions for gowinTool_linux +---------------------------------------- + +1.) extract gowinTool_linux.zip + +2.) set GOWIN_HOME env variable to the full path to the +gowinTool_linux directory + +3.) edit gowinTool_linux/bin/gwlicense.ini. Set lic="..." to +the full path to the license file. + diff --git a/examples/gowin/demo.cst b/examples/gowin/demo.cst new file mode 100644 index 000000000..0b14b5bd6 --- /dev/null +++ b/examples/gowin/demo.cst @@ -0,0 +1,17 @@ +IO_LOC "clk" D11; +IO_LOC "led1" D22; +IO_LOC "led2" E22; +IO_LOC "led3" G22; +IO_LOC "led4" J22; +IO_LOC "led5" L22; +IO_LOC "led6" L19; +IO_LOC "led7" L20; +IO_LOC "led8" M21; +IO_LOC "led9" N19; +IO_LOC "led10" R19; +IO_LOC "led11" T18; +IO_LOC "led12" AA22; +IO_LOC "led13" U18; +IO_LOC "led14" V20; +IO_LOC "led15" AA21; +IO_LOC "led16" AB21; diff --git a/examples/gowin/demo.sdc b/examples/gowin/demo.sdc new file mode 100644 index 000000000..6c90325fa --- /dev/null +++ b/examples/gowin/demo.sdc @@ -0,0 +1 @@ +create_clock -name clk -period 20 -waveform {0 10} [get_ports {clk}] diff --git a/examples/gowin/demo.v b/examples/gowin/demo.v new file mode 100644 index 000000000..e1a2f19ec --- /dev/null +++ b/examples/gowin/demo.v @@ -0,0 +1,11 @@ +module demo ( + input clk, + output led1, led2, led3, led4, led5, led6, led7, led8, + output led9, led10, led11, led12, led13, led14, led15, led16 +); + localparam PRESCALE = 20; + reg [PRESCALE+3:0] counter = 0; + always @(posedge clk) counter <= counter + 1; + assign {led1, led2, led3, led4, led5, led6, led7, led8, + led9, led10, led11, led12, led13, led14, led15, led16} = 1 << counter[PRESCALE +: 4]; +endmodule diff --git a/examples/gowin/run.sh b/examples/gowin/run.sh new file mode 100644 index 000000000..738e845e5 --- /dev/null +++ b/examples/gowin/run.sh @@ -0,0 +1,5 @@ +#!/bin/bash +set -ex +yosys -p "synth_gowin -top demo -vout demo_syn.v" demo.v +$GOWIN_HOME/bin/gowin -d demo_syn.v -cst demo.cst -sdc demo.sdc -p GW2A55-PBGA484-6 \ + -warning_all -out demo_out.v -rpt demo.rpt -tr demo_tr.html -bit demo.bit |