From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Mon, 9 Sep 2019 09:02:14 +0000 (+0200)
Subject: interconnect/wishbone: add FlipFlop to allow UpConverter to be used
X-Git-Tag: 24jan2021_ls180~1021
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=19f58dd9715bbac9ee14b5f344fbd2ed6253b094;p=litex.git

interconnect/wishbone: add FlipFlop to allow UpConverter to be used

Note: a test should be added for Converter and DownConverter/UpConverter should be cleaned up
---

diff --git a/litex/soc/interconnect/wishbone.py b/litex/soc/interconnect/wishbone.py
index dc242f44..f76cdb4c 100644
--- a/litex/soc/interconnect/wishbone.py
+++ b/litex/soc/interconnect/wishbone.py
@@ -291,6 +291,15 @@ class DownConverter(Module):
             )
 
 
+@ResetInserter()
+@CEInserter()
+class FlipFlop(Module):
+    def __init__(self, *args, **kwargs):
+        self.d = Signal(*args, **kwargs)
+        self.q = Signal(*args, **kwargs)
+        self.sync += self.q.eq(self.d)
+
+
 class UpConverter(Module):
     """UpConverter