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axi4_cpuif: make response buffer assignments nonblocking in sequential block

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This commit is contained in:
Matt Kahane
2022-05-02 11:59:00 -07:00
committed by Alex Mykyta
parent 03d77ea37b
commit 7418324ccf
1 changed files with 8 additions and 8 deletions
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16
src/peakrdl/regblock/cpuif/axi4lite/axi4lite_tmpl.sv
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@@ -152,9 +152,9 @@ logic [{{clog2(cpuif.resp_buffer_size)}}:0] axil_resp_rptr;
always_ff {{get_always_ff_event(cpuif.reset)}} begin always_ff {{get_always_ff_event(cpuif.reset)}} begin
if({{get_resetsignal(cpuif.reset)}}) begin if({{get_resetsignal(cpuif.reset)}}) begin
for(int i=0; i<{{cpuif.resp_buffer_size}}; i++) begin for(int i=0; i<{{cpuif.resp_buffer_size}}; i++) begin
axil_resp_buffer[i].is_wr = '0; axil_resp_buffer[i].is_wr <= '0;
axil_resp_buffer[i].err = '0; axil_resp_buffer[i].err <= '0;
axil_resp_buffer[i].rdata = '0; axil_resp_buffer[i].rdata <= '0;
end end
axil_resp_wptr <= '0; axil_resp_wptr <= '0;
axil_resp_rptr <= '0; axil_resp_rptr <= '0;
@@ -162,13 +162,13 @@ always_ff {{get_always_ff_event(cpuif.reset)}} begin
// Store responses in buffer until AXI response channel accepts them // Store responses in buffer until AXI response channel accepts them
if(cpuif_rd_ack || cpuif_wr_ack) begin if(cpuif_rd_ack || cpuif_wr_ack) begin
if(cpuif_rd_ack) begin if(cpuif_rd_ack) begin
axil_resp_buffer[axil_resp_wptr[{{clog2(cpuif.resp_buffer_size)-1}}:0]].is_wr = '0; axil_resp_buffer[axil_resp_wptr[{{clog2(cpuif.resp_buffer_size)-1}}:0]].is_wr <= '0;
axil_resp_buffer[axil_resp_wptr[{{clog2(cpuif.resp_buffer_size)-1}}:0]].err = cpuif_rd_err; axil_resp_buffer[axil_resp_wptr[{{clog2(cpuif.resp_buffer_size)-1}}:0]].err <= cpuif_rd_err;
axil_resp_buffer[axil_resp_wptr[{{clog2(cpuif.resp_buffer_size)-1}}:0]].rdata = cpuif_rd_data; axil_resp_buffer[axil_resp_wptr[{{clog2(cpuif.resp_buffer_size)-1}}:0]].rdata <= cpuif_rd_data;
end else if(cpuif_wr_ack) begin end else if(cpuif_wr_ack) begin
axil_resp_buffer[axil_resp_wptr[{{clog2(cpuif.resp_buffer_size)-1}}:0]].is_wr = '1; axil_resp_buffer[axil_resp_wptr[{{clog2(cpuif.resp_buffer_size)-1}}:0]].is_wr <= '1;
axil_resp_buffer[axil_resp_wptr[{{clog2(cpuif.resp_buffer_size)-1}}:0]].err = cpuif_wr_err; axil_resp_buffer[axil_resp_wptr[{{clog2(cpuif.resp_buffer_size)-1}}:0]].err <= cpuif_wr_err;
end end
{%- if is_pow2(cpuif.resp_buffer_size) %} {%- if is_pow2(cpuif.resp_buffer_size) %}
axil_resp_wptr <= axil_resp_wptr + 1'b1; axil_resp_wptr <= axil_resp_wptr + 1'b1;