targets/core: simplify ios generation

diff --git a/targets/core.py b/targets/core.py
index b876e243cd77fab7f2ebb6984876231defaa85f0..55085c330dc8b8e9d34f13dfba5603636a321ef9 100644 (file)
--- a/targets/core.py
+++ b/targets/core.py
@@ -39,15 +39,10 @@ class LiteSATACore(Module):
                                else:
                                        yield e
 
-               sink_layout = command_tx_description(32).get_full_layout()
-               source_layout = command_rx_description(32).get_full_layout()
-
                for port in self.user_ports:
-                       for e in _iter_layout(sink_layout):
-                                       obj = getattr(port.sink, e[0])
-                                       ios = ios.union({obj})
-                       for e in _iter_layout(source_layout):
-                                       obj = getattr(port.source, e[0])
+                       for endpoint in [port.sink, port.source]:
+                               for e in _iter_layout(endpoint.layout):
+                                       obj = getattr(endpoint, e[0])
                                        ios = ios.union({obj})
                return ios