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Clifford Wolf 2013-01-05 11:13:26 +01:00
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tests/asicworld/code_specman_switch_fabric.v Normal file
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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