Merge pull request #229 from craigjb/port_width

Add customizable standalone user port data widths
enjoy-digital · Jan 30, 2021 · 17db757 · 17db757
2 parents 2f57844 + 5c32dc7
commit 17db757
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/litedram/gen.py b/litedram/gen.py
@@ -545,7 +545,8 @@ def __init__(self, platform, core_config, **kwargs):
         for name, port in core_config["user_ports"].items():
             # Native -------------------------------------------------------------------------------
             if port["type"] == "native":
-                user_port = self.sdram.crossbar.get_port()
+                user_port = self.sdram.crossbar.get_port(
+                    data_width=port.get("data_width", None))
                 platform.add_extension(get_native_user_port_ios(name,
                     user_port.address_width,
                     user_port.data_width))
@@ -570,7 +571,8 @@ def __init__(self, platform, core_config, **kwargs):
                 ]
             # Wishbone -----------------------------------------------------------------------------
             elif port["type"] == "wishbone":
-                user_port = self.sdram.crossbar.get_port()
+                user_port = self.sdram.crossbar.get_port(
+                    data_width=port.get("data_width", None))
                 wb_port = wishbone.Interface(
                     user_port.data_width,
                     user_port.address_width)
@@ -593,7 +595,8 @@ def __init__(self, platform, core_config, **kwargs):
                 ]
             # AXI ----------------------------------------------------------------------------------
             elif port["type"] == "axi":
-                user_port = self.sdram.crossbar.get_port()
+                user_port = self.sdram.crossbar.get_port(
+                    data_width=port.get("data_width", None))
                 axi_port  = LiteDRAMAXIPort(
                     user_port.data_width,
                     user_port.address_width + log2_int(user_port.data_width//8),