From 732df044136347bcf2a36e46115c05cf71a28270 Mon Sep 17 00:00:00 2001
From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Thu, 8 Oct 2020 17:16:21 +0200
Subject: [PATCH] common/Bitslip: add assert on cycles.

---
 litedram/common.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/litedram/common.py b/litedram/common.py
index dd58618..94f9481 100644
--- a/litedram/common.py
+++ b/litedram/common.py
@@ -122,6 +122,7 @@ class BitSlip(Module):
         self.o   = Signal(dw) if o is None else o
         self.rst = Signal()   if rst is None else rst
         self.slp = Signal()   if slp is None else slp
+        assert cycles >= 1
 
         # # #