When auto-precharging assert track_close

2018-08-10 20:48:30 -04:00 · 2018-08-10 20:48:30 -04:00 · 32069858ee
parent 74279ea26a
commit 32069858ee
1 changed files with 6 additions and 1 deletions
--- a/litedram/core/bankmachine.py
+++ b/litedram/core/bankmachine.py
@ -144,6 +144,12 @@ class BankMachine(Module):
            ),
            track_close.eq(1)
        )
+        fsm.act("AUTOPRECHARGE",
+            If(self.precharge_timer.done,
+                NextState("TRP")
+            ),
+            track_close.eq(1)
+        )
        fsm.act("ACTIVATE",
            sel_row_adr.eq(1),
            track_open.eq(1),
@ -166,4 +172,3 @@ class BankMachine(Module):
        )
        fsm.delayed_enter("TRP", "ACTIVATE", settings.timing.tRP-1)
        fsm.delayed_enter("TRCD", "REGULAR", settings.timing.tRCD-1)
-        fsm.delayed_enter("AUTOPRECHARGE", "TRP", precharge_time-1)