Files
OpenExSys_NoC/rtl/rn_router_sam.sv
2023-11-26 15:36:27 +01:00

47 lines
1.3 KiB
Systemverilog

module rn_router_sam
import rvh_noc_pkg::*;
#(
parameter type flit_payload_t = logic[256-1:0]
// parameter VC_NUM_IDX_W = 1
)
(
input logic flit_v_i,
input flit_payload_t flit_i,
input io_port_t flit_look_ahead_routing_i,
input logic [NodeID_X_Width-1:0] node_id_x_i,
input logic [NodeID_Y_Width-1:0] node_id_y_i,
output flit_dec_t flit_dec_o,
output flit_payload_t flit_o
);
`ifdef USE_QOS_VALUE
assign flit_dec_o.qos_value = flit_i.qos_value;
`endif
always_comb begin
flit_o = flit_i;
flit_o.tgt_id.x_position = 1;
flit_o.tgt_id.y_position = 0;
flit_o.tgt_id.device_port = 0;
flit_o.tgt_id.device_id = 0;
flit_o.src_id.x_position = node_id_x_i;
flit_o.src_id.y_position = node_id_y_i;
flit_o.src_id.device_port = 0;
flit_o.src_id.device_id = 0;
end
assign flit_dec_o.tgt_id.x_position = 1;
assign flit_dec_o.tgt_id.y_position = 0;
assign flit_dec_o.tgt_id.device_port = 0;
assign flit_dec_o.tgt_id.device_id = 0;
assign flit_dec_o.src_id.x_position = node_id_x_i;
assign flit_dec_o.src_id.y_position = node_id_y_i;
assign flit_dec_o.src_id.device_port = 0;
assign flit_dec_o.src_id.device_id = 0;
assign flit_dec_o.look_ahead_routing = flit_look_ahead_routing_i;
endmodule