core/bankmachine: fix cas_count size when tccd == 1

2018-07-17 17:41:10 +02:00 · 2018-07-17 17:41:10 +02:00 · 6d96bcc1e7
parent f4ad65e3c4
commit 6d96bcc1e7
1 changed files with 1 additions and 1 deletions
--- a/litedram/core/bankmachine.py
+++ b/litedram/core/bankmachine.py
@ -99,7 +99,7 @@ class BankMachine(Module):
        cas_allowed = Signal(reset=1)
        tccd =  settings.timing.tCCD
        if tccd is not None:
-            cas_count = Signal(max=tccd)
+            cas_count = Signal(max=tccd+1)
            self.sync += \
                If(cas,
                    cas_count.eq(tccd-1)