From 6cf5157fe7a8f4299a002f1be6c95ba5507a2cd4 Mon Sep 17 00:00:00 2001
From: Pepijn de Vos <pepijndevos@gmail.com>
Date: Wed, 4 Sep 2019 10:52:28 +0200
Subject: [PATCH] Update example for GW1NR-9

This uses the Trenz TEC0117 on Gowin IDE 1.8.4
---
 examples/gowin/demo.cst   | 51 ++++++++-------------------------------
 examples/gowin/demo.v     |  5 +---
 examples/gowin/device.cfg | 16 ++++++++++++
 examples/gowin/run.sh     |  3 +--
 4 files changed, 28 insertions(+), 47 deletions(-)
 create mode 100644 examples/gowin/device.cfg

diff --git a/examples/gowin/demo.cst b/examples/gowin/demo.cst
index 22d7eb668..c8f89dcf8 100644
--- a/examples/gowin/demo.cst
+++ b/examples/gowin/demo.cst
@@ -1,41 +1,10 @@
-// 50 MHz Clock
-IO_LOC "clk" D11;
-
-// LEDs
-IO_LOC "leds[0]"  D22;
-IO_LOC "leds[1]"  E22;
-IO_LOC "leds[2]"  G22;
-IO_LOC "leds[3]"  J22;
-IO_LOC "leds[4]"  L22;
-IO_LOC "leds[5]"  L19;
-IO_LOC "leds[6]"  L20;
-IO_LOC "leds[7]"  M21;
-IO_LOC "leds[8]"  N19;
-IO_LOC "leds[9]"  R19;
-IO_LOC "leds[10]" T18;
-IO_LOC "leds[11]" AA22;
-IO_LOC "leds[12]" U18;
-IO_LOC "leds[13]" V20;
-IO_LOC "leds[14]" AA21;
-IO_LOC "leds[15]" AB21;
-
-
-// 7-Segment Display
-IO_LOC "seg7dig[0]" E20;
-IO_LOC "seg7dig[1]" G18;
-IO_LOC "seg7dig[2]" G20;
-IO_LOC "seg7dig[3]" F21;
-IO_LOC "seg7dig[4]" J20;
-IO_LOC "seg7dig[5]" H21;
-IO_LOC "seg7dig[6]" H18;
-IO_LOC "seg7dig[7]" D20;
-IO_LOC "seg7sel[0]" C19;
-IO_LOC "seg7sel[1]" B22;
-IO_LOC "seg7sel[2]" C20;
-IO_LOC "seg7sel[3]" C21;
-
-// Switches
-IO_LOC "sw[0]" AB20;
-IO_LOC "sw[1]" AB19;
-IO_LOC "sw[2]" AB18;
-IO_LOC "sw[3]" AB17;
+IO_LOC "clk" 35;
+//IO_LOC "rst_n" 77;
+IO_LOC "leds[0]" 79;
+IO_LOC "leds[1]" 80;
+IO_LOC "leds[2]" 81;
+IO_LOC "leds[3]" 82;
+IO_LOC "leds[4]" 83;
+IO_LOC "leds[5]" 84;
+IO_LOC "leds[6]" 85;
+IO_LOC "leds[7]" 86;
\ No newline at end of file
diff --git a/examples/gowin/demo.v b/examples/gowin/demo.v
index 6ea108384..3cb782fa7 100644
--- a/examples/gowin/demo.v
+++ b/examples/gowin/demo.v
@@ -1,9 +1,6 @@
 module demo (
 	input clk,
-	input [3:0] sw,
-	output [15:0] leds,
-	output [7:0] seg7dig,
-	output [3:0] seg7sel
+	output [15:0] leds
 );
 	localparam PRESCALE = 20;
 	reg [PRESCALE+3:0] counter = 0;
diff --git a/examples/gowin/device.cfg b/examples/gowin/device.cfg
new file mode 100644
index 000000000..f6ab82159
--- /dev/null
+++ b/examples/gowin/device.cfg
@@ -0,0 +1,16 @@
+set JTAG regular_io = false
+set SSPI regular_io = false
+set MSPI regular_io = false
+set READY regular_io = false
+set DONE regular_io = false
+set RECONFIG_N regular_io = false
+set MODE regular_io = false
+set CRC_check = true
+set compress = false
+set encryption = false
+set security_bit_enable = true
+set bsram_init_fuse_print = true
+set download_speed = 250/100
+set spi_flash_address = 0x00FFF000
+set format = txt
+set background_programming = false
diff --git a/examples/gowin/run.sh b/examples/gowin/run.sh
index 33a7b5c37..cd260101e 100644
--- a/examples/gowin/run.sh
+++ b/examples/gowin/run.sh
@@ -1,8 +1,7 @@
 #!/bin/bash
 set -ex
 yosys -p "synth_gowin -top demo -vout demo_syn.v" demo.v
-$GOWIN_HOME/bin/gowin -d demo_syn.v -cst demo.cst -sdc demo.sdc -p GW2A55-PBGA484-6 \
-		-warning_all -out demo_out.v -rpt demo.rpt -tr demo_tr.html -bit demo.bit
+$GOWIN_HOME/bin/gowin -d demo_syn.v -cst demo.cst -sdc demo.sdc -p GW1NR-9-QFN88-6 -pn GW1NR-LV9QN88C6/I5 -cfg device.cfg -bit -tr -ph -timing -gpa -rpt -warning_all
 
 # post place&route simulation (icarus verilog)
 if false; then
-- 
2.30.2