From: Jędrzej Boczar <jboczar@antmicro.com>
Date: Tue, 14 Jul 2020 12:44:28 +0000 (+0200)
Subject: soc/integration: update add_adapter to convert between AXILite/Wishbone
X-Git-Tag: 24jan2021_ls180~82^2~7
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=35149c4e808df4db4d38e9f7d4d9c055b745b77e;p=litex.git

soc/integration: update add_adapter to convert between AXILite/Wishbone
---

diff --git a/litex/soc/integration/soc.py b/litex/soc/integration/soc.py
index 8980ea4c..7111921c 100644
--- a/litex/soc/integration/soc.py
+++ b/litex/soc/integration/soc.py
@@ -280,6 +280,21 @@ class SoCBusHandler(Module):
     # Add Master/Slave -----------------------------------------------------------------------------
     def add_adapter(self, name, interface, direction="m2s"):
         assert direction in ["m2s", "s2m"]
+
+        if isinstance(interface, axi.AXILiteInterface):
+            self.logger.info("{} Bus {} from {} to {}.".format(
+                colorer(name),
+                colorer("converted", color="cyan"),
+                colorer("AXILite"),
+                colorer("Wishbone")))
+            new_interface = wishbone.Interface(data_width=interface.data_width)
+            if direction == "m2s":
+                converter = axi.AXILite2Wishbone(axi_lite=interface, wishbone=new_interface)
+            elif direction == "s2m":
+                converter = axi.Wishbone2AXILite(wishbone=new_interface, axi_lite=interface)
+            self.submodules += converter
+            interface = new_interface
+
         if interface.data_width != self.data_width:
             self.logger.info("{} Bus {} from {}-bit to {}-bit.".format(
                 colorer(name),