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arbiters unlock refactoring

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This commit is contained in:
Blaise Tine
2024-02-04 20:16:18 -08:00
parent fe15647f98
commit 6f7a389a1f
10 changed files with 74 additions and 97 deletions
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14
hw/rtl/libs/VX_matrix_arbiter.sv
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@@ -20,18 +20,18 @@ module VX_matrix_arbiter #(
parameter LOG_NUM_REQS = `LOG2UP(NUM_REQS)
) (
input wire clk,
input wire reset,
input wire unlock,
input wire reset,
input wire [NUM_REQS-1:0] requests,
output wire [LOG_NUM_REQS-1:0] grant_index,
output wire [NUM_REQS-1:0] grant_onehot,
output wire grant_valid
output wire grant_valid,
input wire grant_unlock
);
if (NUM_REQS == 1) begin
`UNUSED_VAR (clk)
`UNUSED_VAR (reset)
`UNUSED_VAR (unlock)
`UNUSED_VAR (grant_unlock)
assign grant_index = '0;
assign grant_onehot = requests;
@@ -71,18 +71,18 @@ module VX_matrix_arbiter #(
end
if (LOCK_ENABLE == 0) begin
`UNUSED_VAR (unlock)
`UNUSED_VAR (grant_unlock)
assign grant_onehot = grant_unqual;
end else begin
reg [NUM_REQS-1:0] grant_unqual_prev;
always @(posedge clk) begin
if (reset) begin
grant_unqual_prev <= '0;
end else if (unlock) begin
end else if (grant_unlock) begin
grant_unqual_prev <= grant_unqual;
end
end
assign grant_onehot = unlock ? grant_unqual : grant_unqual_prev;
assign grant_onehot = grant_unlock ? grant_unqual : grant_unqual_prev;
end
VX_onehot_encoder #(