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//////////////////////////////////////////////////////////////////////////////
// SPDX-FileCopyrightText: 2021 , Dinesh Annayya
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// SPDX-License-Identifier: Apache-2.0
// SPDX-FileContributor: Created by Dinesh Annayya <dinesha@opencores.org>
//
//////////////////////////////////////////////////////////////////////
// Bus Repater //
//////////////////////////////////////////////////////////////////////
module bus_rep_north #(
parameter BUS_REP_WD = 7,
parameter BUS_BUF_WD = 42
) (
`ifdef USE_POWER_PINS
input logic vccd1, // User area 1 1.8V supply
input logic vssd1, // User area 1 digital ground
`endif
// Bus repeaters
input [BUS_REP_WD-1:0] ch_in,
output [BUS_REP_WD-1:0] ch_out,
// Bus Buffering
input [BUS_BUF_WD-1:0] buf_in,
output [BUS_BUF_WD-1:0] buf_out
);
// channel repeater
`ifndef SYNTHESIS
assign ch_out = ch_in;
assign buf_out = buf_in;
`else
genvar i;
generate
for (i = 0; i < BUS_REP_WD; i = i + 1) begin : u_rp
sky130_fd_sc_hd__clkbuf_4 u_buf ( .A(ch_in[i]), .X(ch_out[i]));
end
endgenerate
assign buf_out = buf_in;
`endif
endmodule