From 4ee9c53f185ac6dd9c4aa69a7547e9bc037acc25 Mon Sep 17 00:00:00 2001
From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Wed, 3 Jul 2019 13:43:34 +0200
Subject: [PATCH] csr: add assert to ensure CSR size < busword (thanks tweakoz)

---
 litex/soc/interconnect/csr.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/litex/soc/interconnect/csr.py b/litex/soc/interconnect/csr.py
index 4ee7a41c7..4165dbd24 100644
--- a/litex/soc/interconnect/csr.py
+++ b/litex/soc/interconnect/csr.py
@@ -340,6 +340,7 @@ class GenericBank(Module):
         self.simple_csrs = []
         for c in description:
             if isinstance(c, CSR):
+                assert c.size <= busword
                 self.simple_csrs.append(c)
             else:
                 c.finalize(busword)