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litedram: L2 use latched refill_index

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

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt
2020-06-11 20:18:24 +10:00
parent 05bbbf0772
commit 15467fe536
1 changed files with 2 additions and 2 deletions
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4
litedram/extras/litedram-wrapper-l2.vhdl
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@@ -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;