83 lines
2.2 KiB
Coq
83 lines
2.2 KiB
Coq
|
module switch_fabric(
|
||
|
clk, reset, data_in0, data_in1, data_in2,
|
||
|
data_in3, data_in4, data_in5, data_in_valid0,
|
||
|
data_in_valid1, data_in_valid2, data_in_valid3,
|
||
|
data_in_valid4, data_in_valid5, data_out0,
|
||
|
data_out1, data_out2, data_out3, data_out4,
|
||
|
data_out5, data_out_ack0, data_out_ack1,
|
||
|
data_out_ack2, data_out_ack3, data_out_ack4,
|
||
|
data_out_ack5
|
||
|
);
|
||
|
|
||
|
input clk, reset;
|
||
|
input [7:0] data_in0, data_in1, data_in2, data_in3;
|
||
|
input [7:0] data_in4, data_in5;
|
||
|
input data_in_valid0, data_in_valid1, data_in_valid2;
|
||
|
input [7:0] data_in_valid3, data_in_valid4, data_in_valid5;
|
||
|
output [7:0] data_out0, data_out1, data_out2, data_out3;
|
||
|
output [7:0] data_out4, data_out5;
|
||
|
output data_out_ack0, data_out_ack1, data_out_ack2;
|
||
|
output [7:0] data_out_ack3, data_out_ack4, data_out_ack5;
|
||
|
|
||
|
(* gentb_clock *)
|
||
|
wire clk;
|
||
|
|
||
|
switch port_0 ( .clk(clk), .reset(reset), .data_in(data_in0),
|
||
|
.data_in_valid(data_in_valid0), .data_out(data_out0),
|
||
|
.data_out_ack(data_out_ack0));
|
||
|
|
||
|
switch port_1 ( .clk(clk), .reset(reset), .data_in(data_in1),
|
||
|
.data_in_valid(data_in_valid1), .data_out(data_out1),
|
||
|
.data_out_ack(data_out_ack1));
|
||
|
|
||
|
switch port_2 ( .clk(clk), .reset(reset), .data_in(data_in2),
|
||
|
.data_in_valid(data_in_valid2), .data_out(data_out2), .
|
||
|
data_out_ack(data_out_ack2));
|
||
|
|
||
|
switch port_3 ( .clk(clk), .reset(reset), .data_in(data_in3),
|
||
|
.data_in_valid(data_in_valid3), .data_out(data_out3),
|
||
|
.data_out_ack(data_out_ack3));
|
||
|
|
||
|
switch port_4 ( .clk(clk), .reset(reset), .data_in(data_in4),
|
||
|
.data_in_valid(data_in_valid4), .data_out(data_out4),
|
||
|
.data_out_ack(data_out_ack4));
|
||
|
|
||
|
switch port_5 ( .clk(clk), .reset(reset), .data_in(data_in5),
|
||
|
.data_in_valid(data_in_valid5), .data_out(data_out5),
|
||
|
.data_out_ack(data_out_ack5));
|
||
|
|
||
|
endmodule
|
||
|
|
||
|
module switch (
|
||
|
clk,
|
||
|
reset,
|
||
|
data_in,
|
||
|
data_in_valid,
|
||
|
data_out,
|
||
|
data_out_ack
|
||
|
);
|
||
|
|
||
|
input clk;
|
||
|
input reset;
|
||
|
input [7:0] data_in;
|
||
|
input data_in_valid;
|
||
|
output [7:0] data_out;
|
||
|
output data_out_ack;
|
||
|
|
||
|
reg [7:0] data_out;
|
||
|
reg data_out_ack;
|
||
|
|
||
|
always @ (posedge clk)
|
||
|
if (reset) begin
|
||
|
data_out <= 0;
|
||
|
data_out_ack <= 0;
|
||
|
end else if (data_in_valid) begin
|
||
|
data_out <= data_in;
|
||
|
data_out_ack <= 1;
|
||
|
end else begin
|
||
|
data_out <= 0;
|
||
|
data_out_ack <= 0;
|
||
|
end
|
||
|
|
||
|
endmodule
|