dependency cells enable on q not qn

[soc.git] / src / scoreboard / fu_dep_cell.py

diff --git a/src/scoreboard/fu_dep_cell.py b/src/scoreboard/fu_dep_cell.py
index 250ba85b91cc74f598328f7b56e324aabc5cd1e1..9f4bceb48d0f5c4dc706eb6af14744022dbea992 100644 (file)
--- a/src/scoreboard/fu_dep_cell.py
+++ b/src/scoreboard/fu_dep_cell.py
@@ -22,8 +22,8 @@ class FUDependenceCell(Elaboratable):
 
     def elaborate(self, platform):
         m = Module()
-        m.submodules.rd_l = rd_l = SRLatch()
-        m.submodules.wr_l = wr_l = SRLatch()
+        m.submodules.rd_l = rd_l = SRLatch() # clock-sync'd
+        m.submodules.wr_l = wr_l = SRLatch() # clock-sync'd
 
         # write latch: reset on go_wr HI, set on write pending and issue
         m.d.comb += wr_l.s.eq(self.issue_i & self.wr_pend_i)
@@ -34,8 +34,8 @@ class FUDependenceCell(Elaboratable):
         m.d.comb += rd_l.r.eq(self.go_rd_i)
 
         # Read/Write Pending Latches (read out horizontally)
-        m.d.comb += self.wr_pend_o.eq(wr_l.qn)
-        m.d.comb += self.rd_pend_o.eq(rd_l.qn)
+        m.d.comb += self.wr_pend_o.eq(wr_l.q)
+        m.d.comb += self.rd_pend_o.eq(rd_l.q)
 
         return m