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round robin arbiter + auto buffered queue + fixed dcache arbiter

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This commit is contained in:
Blaise Tine
2020-06-20 17:56:04 -04:00
parent 9c157e4929
commit d3440de403
30 changed files with 339 additions and 209 deletions
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15
hw/rtl/cache/VX_cache_dram_req_arb.v vendored
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@@ -74,11 +74,11 @@ module VX_cache_dram_req_arb #(
wire dfqq_push = (| per_bank_dram_fill_req_valid);
wire dfqq_full;
VX_cache_dfq_queue #(
VX_cache_dram_fill_arb #(
.BANK_LINE_SIZE(BANK_LINE_SIZE),
.NUM_BANKS(NUM_BANKS),
.DFQQ_SIZE(DFQQ_SIZE)
) cache_dfq_queue (
) dram_fill_arb (
.clk (clk),
.reset (reset),
.dfqq_push (dfqq_push),
@@ -95,12 +95,15 @@ module VX_cache_dram_req_arb #(
wire [`BANK_BITS-1:0] dwb_bank;
VX_generic_priority_encoder #(
VX_fixed_arbiter #(
.N(NUM_BANKS)
) sel_dwb (
.valids(per_bank_dram_wb_req_valid),
.index (dwb_bank),
.found (dwb_valid)
.clk (clk),
.reset (reset),
.requests (per_bank_dram_wb_req_valid),
.grant_index (dwb_bank),
.grant_valid (dwb_valid),
`UNUSED_PIN (grant_onehot)
);
genvar i;