Added base GOWIN eda script

examples/GW1NSR-4C/.gitignore

@@ -0,0 +1,2 @@
+OUT
+BUILD

examples/GW1NSR-4C/CON/io.cst

@@ -0,0 +1,8 @@
+IO_LOC  "led_o"     10;
+IO_PORT "led_o"     PULL_MODE=NONE DRIVE=8;
+
+IO_LOC  "reset_n_i" 15;
+IO_PORT "reset_n_i" PULL_MODE=UP;
+
+IO_LOC  "clk_i"     45;
+IO_PORT "clk_i"     PULL_MODE=UP;

examples/GW1NSR-4C/CON/io.sdc

@@ -0,0 +1 @@
+create_clock -name CLK_IN -period 37.037 -waveform {0 18.52} [get_ports {clk_i}]

examples/GW1NSR-4C/RTL/toplevel.v

@@ -0,0 +1,23 @@
+module led_blink
+(
+    input  clk_i,
+    input  reset_n_i,
+    output led_o
+);
+
+    reg [23:0] counter;
+    reg        polarity;
+
+    always@(posedge clk_i) begin
+        if (!reset_n_i)
+            counter <= 24'h00000;
+        else
+            counter <= counter + 1'b1;
+
+        if (counter == 24'hFFFFF)
+            polarity <= ~polarity;
+    end
+
+    assign led_o = polarity;
+
+endmodule

examples/GW1NSR-4C/project.cfg

@@ -0,0 +1,28 @@
+[project]
+name              = gowin_project
+version           = 0.1
+out_dir           = OUT
+build_dir         = BUILD
+
+[server]
+hostname          = localhost
+port              = 2020
+privkey           = /home/joppe/.ssh/id_rsa
+pubkey            = /home/joppe/.ssh/id_rsa.pub
+
+# ######################################
+# Basic synthesis
+[target.synth]
+toolchain           = gowin
+
+# Toolchain settings
+family              = GW1NSR-4C
+device              = GW1NSR-LV4CQN48PC6/I5
+toplevel            = led_blink
+
+# Fileset
+# files_vhdl        = 
+files_verilog       = RTL/toplevel.v
+files_con           = CON/io.cst
+                      CON/io.sdc
+# ######################################

remotesyn/toolchains/gowin.py

@@ -0,0 +1,135 @@
+import shutil
+import os
+import time
+import subprocess
+import html2text
+
+def do(config, target, log, subprocesses, prefix='.'):
+  shutil.rmtree(config.get('project', 'build_dir', fallback='build'), True)
+  shutil.rmtree(config.get('project', 'out_dir', fallback='out'), True)
+
+  log(" - parsing options")
+  family = config.get(f'target.{target}', 'family', fallback='')
+  device = config.get(f'target.{target}', 'device', fallback='')
+  toplevel = config.get(f'target.{target}', 'toplevel', fallback='toplevel')
+  files_vhdl = config.get(f'target.{target}', 'files_vhdl', fallback='').split()
+  files_verilog = config.get(f'target.{target}', 'files_verilog', fallback='').split()
+  files_con= config.get(f'target.{target}', 'files_con', fallback='').split()
+  build_dir = config.get(f'project', 'build_dir', fallback='build')
+  out_dir = config.get(f'project', 'out_dir', fallback='out')
+
+  prefix = f'{os.getcwd()}/{prefix}'
+  build_dir = f'{prefix}/{build_dir}'
+  out_dir = f'{prefix}/{out_dir}/{target}'
+
+  log(" - creating output directories")
+  os.makedirs(build_dir, exist_ok=True)
+  os.makedirs(out_dir, exist_ok=True)
+
+  log(" - writing scripts")
+  with open(f'{build_dir}/synth.tcl', 'w') as f:
+    f.write(f'set_device {device} -name {family}\n')
+
+    for s in files_vhdl:
+      if s=='':
+        continue
+      f.write(f'add_file {prefix}/{s}\n')
+    for s in files_verilog:
+      if s=='':
+        continue
+      f.write(f'add_file {prefix}/{s}\n')
+    for s in files_con:
+      if s=='':
+        continue
+      f.write(f'add_file {prefix}/{s}\n')
+    
+    f.write('set_option -synthesis_tool gowinsynthesis\n')
+    f.write(f'set_option -output_base_name {toplevel}\n')
+    f.write(f'set_option -top_module {toplevel}\n')
+    f.write('run syn\n')
+
+  with open(f'{build_dir}/pnr.tcl', 'w') as f:
+    f.write(f'set_device {device} -name {family}\n')
+    f.write('set_option -synthesis_tool gowinsynthesis\n')
+    f.write(f'set_option -output_base_name {toplevel}\n')
+    f.write(f'set_option -top_module {toplevel}\n')
+    for s in files_con:
+      if s=='':
+        continue
+      f.write(f'add_file {prefix}/{s}\n')
+    f.write(f'add_file {build_dir}/impl/gwsynthesis/{toplevel}.vg\n')
+    
+    f.write('run pnr\n')
+  
+  log(' - run syntesis')
+  p = subprocess.Popen(f"gw_sh synth.tcl",
+                       shell = True,
+                       cwd = build_dir,
+                       stdin = subprocess.DEVNULL,
+                       # stdout = subprocess.DEVNULL,
+                       # stderr = subprocess.DEVNULL,
+                       )
+
+  subprocesses.append(p)
+  while p.poll() is None:
+    time.sleep(1)
+  res = p.returncode
+
+  shutil.copy(f'{build_dir}/impl/gwsynthesis/{toplevel}.log', f'{out_dir}/synth.log')
+  if res!=0:
+    log("ERROR: synthesis failed with:", res)
+    return res
+  shutil.copy(f'{build_dir}/impl/gwsynthesis/{toplevel}.vg', f'{out_dir}/synth_netlist.vg')
+  with open(f'{build_dir}/impl/gwsynthesis/{toplevel}_syn.rpt.html', 'r') as fin, open(f'{out_dir}/synth_rpt.md', 'w') as fout:
+    text_maker = html2text.HTML2Text()
+    text_maker.bypass_tables = False
+    text_maker.ignore_links = True
+    text_maker.body_width = 500
+    fout.write(text_maker.handle(fin.read()))
+
+  log(' - run PnR')
+  p = subprocess.Popen(f"gw_sh pnr.tcl",
+                       shell = True,
+                       cwd = build_dir,
+                       stdin = subprocess.DEVNULL,
+                       # stdout = subprocess.DEVNULL,
+                       # stderr = subprocess.DEVNULL,
+                       )
+
+  subprocesses.append(p)
+  while p.poll() is None:
+    time.sleep(1)
+  res = p.returncode
+
+  shutil.copy(f'{build_dir}/impl/pnr/{toplevel}.log', f'{out_dir}/pnr.log')
+  if res!=0:
+    log("ERROR: pnr failed with:", res)
+    return res
+  shutil.copy(f'{build_dir}/impl/pnr/{toplevel}.fs', f'{out_dir}/{toplevel}.fs')
+  shutil.copy(f'{build_dir}/impl/pnr/{toplevel}.bin', f'{out_dir}/{toplevel}.bin')
+  with open(f'{build_dir}/impl/pnr/{toplevel}.rpt.html', 'r') as fin, open(f'{out_dir}/rpt.md', 'w') as fout:
+    text_maker = html2text.HTML2Text()
+    text_maker.bypass_tables = False
+    text_maker.ignore_links = True
+    text_maker.body_width = 500
+    fout.write(text_maker.handle(fin.read()))
+  with open(f'{build_dir}/impl/pnr/{toplevel}.power.html', 'r') as fin, open(f'{out_dir}/power.md', 'w') as fout:
+    text_maker = html2text.HTML2Text()
+    text_maker.bypass_tables = False
+    text_maker.ignore_links = True
+    text_maker.body_width = 500
+    fout.write(text_maker.handle(fin.read()))
+  with open(f'{build_dir}/impl/pnr/{toplevel}.pin.html', 'r') as fin, open(f'{out_dir}/pin.md', 'w') as fout:
+    text_maker = html2text.HTML2Text()
+    text_maker.bypass_tables = False
+    text_maker.ignore_links = True
+    text_maker.body_width = 500
+    fout.write(text_maker.handle(fin.read()))
+  with open(f'{build_dir}/impl/pnr/{toplevel}_tr_content.html', 'r') as fin, open(f'{out_dir}/timing.md', 'w') as fout:
+    text_maker = html2text.HTML2Text()
+    text_maker.bypass_tables = False
+    text_maker.ignore_links = True
+    text_maker.body_width = 500
+    fout.write(text_maker.handle(fin.read()))
+
+  return res

setup.py

@@ -20,6 +20,6 @@ setup(
   ],
     packages=['remotesyn'],
     licence='BSD Licence',
-    install_requires=['paramiko'],
+    install_requires=['paramiko', 'html2text'],
     scripts=['scripts/rbuild', 'scripts/rmbuild', 'scripts/rmserver']
 )