From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Thu, 11 Jun 2020 10:18:24 +0000 (+1000)
Subject: litedram: L2 use latched refill_index
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=15467fe536e6d757c8790b0171adde2c549d3596;p=microwatt.git

litedram: L2 use latched refill_index

Not a huge difference since wb_req is itself a latch but
may as well

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

diff --git a/litedram/extras/litedram-wrapper-l2.vhdl b/litedram/extras/litedram-wrapper-l2.vhdl
index 33aff28..61b4867 100644
--- a/litedram/extras/litedram-wrapper-l2.vhdl
+++ b/litedram/extras/litedram-wrapper-l2.vhdl
@@ -962,9 +962,9 @@ begin
                         -- Store new tag in selected way
                         for i in 0 to NUM_WAYS-1 loop
                             if i = refill_way then
-                                tagset := cache_tags(req_index);
+                                tagset := cache_tags(refill_index);
                                 write_tag(i, tagset, req_tag);
-                                cache_tags(req_index) <= tagset;
+                                cache_tags(refill_index) <= tagset;
                             end if;
                         end loop;
                         state <= REFILL_WAIT_ACK;