X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fsoc%2Ffu%2Fshift_rot%2Fpipeline.py;h=67dc034c61d07a7f37c7ef5a6ec222743abc0221;hb=c916a9d059b3aa772f06c2622854da093db8a13b;hp=80e46038166e89194147b5c6d3a45f818fa417e8;hpb=264cc7fd7d7547e1e19424b8f8fd0fbfea29cec5;p=soc.git

diff --git a/src/soc/fu/shift_rot/pipeline.py b/src/soc/fu/shift_rot/pipeline.py
index 80e46038..67dc034c 100644
--- a/src/soc/fu/shift_rot/pipeline.py
+++ b/src/soc/fu/shift_rot/pipeline.py
@@ -4,11 +4,15 @@ from soc.fu.shift_rot.input_stage import ShiftRotInputStage
 from soc.fu.shift_rot.main_stage import ShiftRotMainStage
 from soc.fu.shift_rot.output_stage import ShiftRotOutputStage
 
-class ShiftRotStages(PipeModBaseChain):
+class ShiftRotStart(PipeModBaseChain):
     def get_chain(self):
         inp = ShiftRotInputStage(self.pspec)
+        return [inp]
+
+class ShiftRotStage(PipeModBaseChain):
+    def get_chain(self):
         main = ShiftRotMainStage(self.pspec)
-        return [inp, main]
+        return [main]
 
 
 class ShiftRotStageEnd(PipeModBaseChain):
@@ -21,13 +25,15 @@ class ShiftRotBasePipe(ControlBase):
     def __init__(self, pspec):
         ControlBase.__init__(self)
         self.pspec = pspec
-        self.pipe1 = ShiftRotStages(pspec)
-        self.pipe2 = ShiftRotStageEnd(pspec)
-        self._eqs = self.connect([self.pipe1, self.pipe2])
+        self.pipe1 = ShiftRotStart(pspec)
+        self.pipe2 = ShiftRotStage(pspec)
+        self.pipe3 = ShiftRotStageEnd(pspec)
+        self._eqs = self.connect([self.pipe1, self.pipe2, self.pipe3])
 
     def elaborate(self, platform):
         m = ControlBase.elaborate(self, platform)
         m.submodules.pipe1 = self.pipe1
         m.submodules.pipe2 = self.pipe2
+        m.submodules.pipe3 = self.pipe3
         m.d.comb += self._eqs
         return m