a2o/dev/verilog/trilib/tri_slat_scan.v

79 lines
2.8 KiB
Verilog

// © IBM Corp. 2020
// Licensed under the Apache License, Version 2.0 (the "License"), as modified by
// the terms below; you may not use the files in this repository except in
// compliance with the License as modified.
// You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
//
// Modified Terms:
//
// 1) For the purpose of the patent license granted to you in Section 3 of the
// License, the "Work" hereby includes implementations of the work of authorship
// in physical form.
//
// 2) Notwithstanding any terms to the contrary in the License, any licenses
// necessary for implementation of the Work that are available from OpenPOWER
// via the Power ISA End User License Agreement (EULA) are explicitly excluded
// hereunder, and may be obtained from OpenPOWER under the terms and conditions
// of the EULA.
//
// Unless required by applicable law or agreed to in writing, the reference design
// 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.
//
// Additional rights, including the ability to physically implement a softcore that
// is compliant with the required sections of the Power ISA Specification, are
// available at no cost under the terms of the OpenPOWER Power ISA EULA, which can be
// obtained (along with the Power ISA) here: https://openpowerfoundation.org.
`timescale 1 ns / 1 ns
// *!****************************************************************
// *! FILENAME : tri_slat_scan.v
// *! DESCRIPTION : n-bit scan-only latch without scan_connect
// *!
// *!****************************************************************
`include "tri_a2o.vh"
module tri_slat_scan(
vd,
gd,
dclk,
lclk,
scan_in,
scan_out,
q,
q_b
);
parameter WIDTH = 1;
parameter OFFSET = 0;
parameter INIT = 0;
parameter SYNTHCLONEDLATCH = "";
parameter BTR = "c_slat_scan";
parameter RESET_INVERTS_SCAN = 1'b1;
inout vd;
inout gd;
input dclk;
input [0:`NCLK_WIDTH-1] lclk;
input [OFFSET:OFFSET+WIDTH-1] scan_in;
output [OFFSET:OFFSET+WIDTH-1] scan_out;
output [OFFSET:OFFSET+WIDTH-1] q;
output [OFFSET:OFFSET+WIDTH-1] q_b;
// tri_slat_scan
parameter [0:WIDTH-1] ZEROS = {WIDTH{1'b0}};
parameter [0:WIDTH-1] initv = INIT;
(* analysis_not_referenced="true" *)
wire unused;
assign unused = | {vd, gd, dclk, lclk, scan_in};
assign scan_out = ZEROS;
assign q = initv;
assign q_b = (~initv);
endmodule