| ////////////////////////////////////////////////////////////////////////////// |
| // 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 |
| |