Create sub import of facade DB for 1200 device.

Signed-off-by: William D. Jones <thor0505@comcast.net>

1 files changed, 77 insertions, 0 deletions

diff --git a/machxo2/facade_import.py b/machxo2/facade_import.py
new file mode 100644
index 00000000..f12461db
--- /dev/null
+++ b/machxo2/facade_import.py
@@ -0,0 +1,77 @@
+#!/usr/bin/env python3
+import pytrellis
+import database
+import argparse
+import json
+
+class BinaryBlobAssembler:
+    def l(self, name, ltype = None, export = False):
+        if ltype is None:
+            print("label %s" % (name,))
+        else:
+            print("label %s %s" % (name, ltype))
+
+    def r(self, name, comment):
+        if comment is None:
+            print("ref %s" % (name,))
+        else:
+            print("ref %s %s" % (name, comment))
+
+    def s(self, s, comment):
+        assert "|" not in s
+        print("str |%s| %s" % (s, comment))
+
+    def u8(self, v, comment):
+        if comment is None:
+            print("u8 %d" % (v,))
+        else:
+            print("u8 %d %s" % (v, comment))
+
+    def u16(self, v, comment):
+        if comment is None:
+            print("u16 %d" % (v,))
+        else:
+            print("u16 %d %s" % (v, comment))
+
+    def u32(self, v, comment):
+        if comment is None:
+            print("u32 %d" % (v,))
+        else:
+            print("u32 %d %s" % (v, comment))
+
+    def pre(self, s):
+        print("pre %s" % s)
+
+    def post(self, s):
+        print("post %s" % s)
+
+    def push(self, name):
+        print("push %s" % name)
+
+    def pop(self):
+        print("pop")
+
+
+dev_names = {"1200": "LCMXO2-1200HC"}
+
+def main():
+    global max_row, max_col, const_id_count
+
+    parser = argparse.ArgumentParser(description="import MachXO2 routing and bels from Project Trellis")
+    parser.add_argument("device", type=str, help="target device")
+    parser.add_argument("-p", "--constids", type=str, help="path to constids.inc")
+    parser.add_argument("-g", "--gfxh", type=str, help="path to gfx.h (unused)")
+    args = parser.parse_args()
+
+    pytrellis.load_database(database.get_db_root())
+
+    bba = BinaryBlobAssembler()
+    bba.pre('#include "nextpnr.h"')
+    bba.pre('NEXTPNR_NAMESPACE_BEGIN')
+    bba.post('NEXTPNR_NAMESPACE_END')
+    bba.push("chipdb_blob_%s" % args.device)
+    bba.u8(0, None)
+    bba.pop()
+
+if __name__ == "__main__":
+    main()