CSR IO's critical path elimination

2020-12-06 16:07:36 -08:00
parent dada72f830
commit 0d0706411d
3 changed files with 20 additions and 22 deletions
--- a/hw/rtl/VX_csr_unit.v
+++ b/hw/rtl/VX_csr_unit.v
@@ -22,14 +22,12 @@ module VX_csr_unit #(
    VX_csr_pipe_req_if csr_pipe_req_if();
    VX_commit_if       csr_pipe_rsp_if();

-    wire select_io_req = csr_io_req_if.valid;
    wire select_io_rsp;

    VX_csr_arb csr_arb (
        .clk              (clk),
        .reset            (reset),
        
-        .select_io_req    (select_io_req),
        .select_io_rsp    (select_io_rsp),

        .csr_core_req_if  (csr_req_if),