| // Copyright lowRISC contributors. | |
| // Licensed under the Apache License, Version 2.0, see LICENSE for details. | |
| // SPDX-License-Identifier: Apache-2.0 | |
| // | |
| // Testbench module for prim_count. | |
| // Intended to be used with a formal tool. | |
| module prim_count_tb | |
| import prim_count_pkg::*; #( | |
| parameter int Width = 2, | |
| parameter bit OutSelDnCnt = 1, // 0 selects up count | |
| parameter prim_count_style_e CntStyle = CrossCnt | |
| ) ( | |
| input clk_i, | |
| input rst_ni, | |
| input clr_i, | |
| input set_i, | |
| input [Width-1:0] set_cnt_i, | |
| input en_i, | |
| input [Width-1:0] step_i, | |
| output logic[Width-1:0] cnt_o, | |
| output logic err_o | |
| ); | |
| prim_count #( | |
| .Width(Width), | |
| .OutSelDnCnt(OutSelDnCnt), | |
| .CntStyle(CntStyle) | |
| ) u_counter ( | |
| .clk_i, | |
| .rst_ni, | |
| .clr_i, | |
| .set_i, | |
| .set_cnt_i, | |
| .en_i, | |
| .step_i, | |
| .cnt_o, | |
| .err_o | |
| ); | |
| endmodule : prim_count_tb |