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non-cacheable memory address critical paths optimizations

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This commit is contained in:
Blaise Tine
2021-06-10 12:47:18 -07:00
parent 41069ba188
commit adf033b0aa
11 changed files with 258 additions and 194 deletions
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32
hw/rtl/afu/vortex_afu.sv
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@@ -586,23 +586,23 @@ wire [AVS_REQ_TAGW:0] mem_rsp_tag;
wire mem_rsp_ready;
VX_mem_arb #(
.NUM_REQS (2),
.DATA_WIDTH (LMEM_LINE_WIDTH),
.ADDR_WIDTH (LMEM_ADDR_WIDTH),
.TAG_IN_WIDTH (AVS_REQ_TAGW),
.TAG_OUT_WIDTH (AVS_REQ_TAGW+1)
.NUM_REQS (2),
.DATA_WIDTH (LMEM_LINE_WIDTH),
.ADDR_WIDTH (LMEM_ADDR_WIDTH),
.TAG_IN_WIDTH (AVS_REQ_TAGW),
.TYPE ("X")
) mem_arb (
.clk (clk),
.reset (reset),
// Source request
.req_valid_in ({cci_mem_req_arb_valid, vx_mem_req_arb_valid}),
.req_rw_in ({cci_mem_req_arb_rw, vx_mem_req_arb_rw}),
.req_byteen_in ({cci_mem_req_arb_byteen, vx_mem_req_arb_byteen}),
.req_addr_in ({cci_mem_req_arb_addr, vx_mem_req_arb_addr}),
.req_data_in ({cci_mem_req_arb_data, vx_mem_req_arb_data}),
.req_tag_in ({cci_mem_req_arb_tag, vx_mem_req_arb_tag}),
.req_ready_in ({cci_mem_req_arb_ready, vx_mem_req_arb_ready}),
.req_valid_in ({vx_mem_req_arb_valid, cci_mem_req_arb_valid}),
.req_rw_in ({vx_mem_req_arb_rw, cci_mem_req_arb_rw}),
.req_byteen_in ({vx_mem_req_arb_byteen, cci_mem_req_arb_byteen}),
.req_addr_in ({vx_mem_req_arb_addr, cci_mem_req_arb_addr}),
.req_data_in ({vx_mem_req_arb_data, cci_mem_req_arb_data}),
.req_tag_in ({vx_mem_req_arb_tag, cci_mem_req_arb_tag}),
.req_ready_in ({vx_mem_req_arb_ready, cci_mem_req_arb_ready}),
// Memory request
.req_valid_out (mem_req_valid),
@@ -614,10 +614,10 @@ VX_mem_arb #(
.req_ready_out (mem_req_ready),
// Source response
.rsp_valid_out ({cci_mem_rsp_arb_valid, vx_mem_rsp_arb_valid}),
.rsp_data_out ({cci_mem_rsp_arb_data, vx_mem_rsp_arb_data}),
.rsp_tag_out ({cci_mem_rsp_arb_tag, vx_mem_rsp_arb_tag}),
.rsp_ready_out ({cci_mem_rsp_arb_ready, vx_mem_rsp_arb_ready}),
.rsp_valid_out ({vx_mem_rsp_arb_valid, cci_mem_rsp_arb_valid}),
.rsp_data_out ({vx_mem_rsp_arb_data, cci_mem_rsp_arb_data}),
.rsp_tag_out ({vx_mem_rsp_arb_tag, cci_mem_rsp_arb_tag}),
.rsp_ready_out ({vx_mem_rsp_arb_ready, cci_mem_rsp_arb_ready}),
// Memory response
.rsp_valid_in (mem_rsp_valid),