core/multiplexer: add more information on odt fixme

2018-09-10 16:34:18 +02:00 · 2018-09-10 16:34:18 +02:00 · 42d0e5bbaa
parent 919b756261
commit 42d0e5bbaa
1 changed files with 2 additions and 1 deletions
--- a/litedram/core/multiplexer.py
+++ b/litedram/core/multiplexer.py
@ -100,7 +100,8 @@ class _Steerer(Module):
                self.comb += phase.reset_n.eq(1)
            self.comb += phase.cke.eq(2**rankbits - 1)
            if hasattr(phase, "odt"):
-                self.comb += phase.odt.eq(2**rankbits - 1) # FIXME: dynamic drive for multi-rank
+                # FIXME: add dynamic drive for multi-rank (will be needed for high frequencies)
+                self.comb += phase.odt.eq(2**rankbits - 1)
            if rankbits:
                rank_decoder = Decoder(rankbits)
                self.submodules += rank_decoder