a2o/dev/verilog/trilib/tri_64x72_1r1w.v

246 lines
8.1 KiB
Verilog

// © IBM Corp. 2022
// 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
//*****************************************************************************
// Description: Tri-Lam Array Wrapper
//
//*****************************************************************************
// sim version, clk1x
`include "tri_a2o.vh"
module tri_64x72_1r1w (
vdd,
vcs,
gnd,
clk,
rst,
sg_0,
abst_sl_thold_0,
ary_nsl_thold_0,
time_sl_thold_0,
repr_sl_thold_0,
rd0_act,
rd0_adr,
do0,
wr_act,
wr_adr,
di,
abst_scan_in,
abst_scan_out,
time_scan_in,
time_scan_out,
repr_scan_in,
repr_scan_out,
scan_dis_dc_b,
scan_diag_dc,
ccflush_dc,
clkoff_dc_b,
d_mode_dc,
mpw1_dc_b,
mpw2_dc_b,
delay_lclkr_dc,
lcb_bolt_sl_thold_0,
pc_bo_enable_2,
pc_bo_reset,
pc_bo_unload,
pc_bo_repair,
pc_bo_shdata,
pc_bo_select,
bo_pc_failout,
bo_pc_diagloop,
tri_lcb_mpw1_dc_b,
tri_lcb_mpw2_dc_b,
tri_lcb_delay_lclkr_dc,
tri_lcb_clkoff_dc_b,
tri_lcb_act_dis_dc,
abist_di,
abist_bw_odd,
abist_bw_even,
abist_wr_adr,
wr_abst_act,
abist_rd0_adr,
rd0_abst_act,
tc_lbist_ary_wrt_thru_dc,
abist_ena_1,
abist_g8t_rd0_comp_ena,
abist_raw_dc_b,
obs0_abist_cmp
);
// Power
(* analysis_not_referenced="true" *)
inout vdd;
(* analysis_not_referenced="true" *)
inout vcs;
(* analysis_not_referenced="true" *)
inout gnd;
// Clock Pervasive
input clk;
input rst;
input sg_0;
input abst_sl_thold_0;
input ary_nsl_thold_0;
input time_sl_thold_0;
input repr_sl_thold_0;
// Reads
input rd0_act;
input [0:5] rd0_adr;
output [64-`GPR_WIDTH:72-(64/`GPR_WIDTH)] do0;
// Writes
input wr_act;
input [0:5] wr_adr;
input [64-`GPR_WIDTH:72-(64/`GPR_WIDTH)] di;
// Scan
input abst_scan_in;
output abst_scan_out;
input time_scan_in;
output time_scan_out;
input repr_scan_in;
output repr_scan_out;
// Misc Pervasive
input scan_dis_dc_b;
input scan_diag_dc;
input ccflush_dc;
input clkoff_dc_b;
input d_mode_dc;
input [0:4] mpw1_dc_b;
input mpw2_dc_b;
input [0:4] delay_lclkr_dc;
// BOLT-ON
input lcb_bolt_sl_thold_0;
input pc_bo_enable_2; // general bolt-on enable
input pc_bo_reset; // reset
input pc_bo_unload; // unload sticky bits
input pc_bo_repair; // execute sticky bit decode
input pc_bo_shdata; // shift data for timing write and diag loop
input pc_bo_select; // select for mask and hier writes
output bo_pc_failout; // fail/no-fix reg
output bo_pc_diagloop;
input tri_lcb_mpw1_dc_b;
input tri_lcb_mpw2_dc_b;
input tri_lcb_delay_lclkr_dc;
input tri_lcb_clkoff_dc_b;
input tri_lcb_act_dis_dc;
// ABIST
input [0:3] abist_di;
input abist_bw_odd;
input abist_bw_even;
input [0:5] abist_wr_adr;
input wr_abst_act;
input [0:5] abist_rd0_adr;
input rd0_abst_act;
input tc_lbist_ary_wrt_thru_dc;
input abist_ena_1;
input abist_g8t_rd0_comp_ena;
input abist_raw_dc_b;
input [0:3] obs0_abist_cmp;
wire clk;
wire sreset;
wire [0:71] tidn;
(* analysis_not_referenced="true" *)
wire unused;
// sim array
reg [0:63] mem[0:71];
reg r0_e_q;
wire r0_e_d;
reg [0:5] r0_a_q;
wire [0:5] r0_a_d;
reg [0:71] r0_d_q;
wire [0:71] r0_d_d;
reg w0_e_q;
wire w0_e_d;
reg [0:5] w0_a_q;
wire [0:5] w0_a_d;
reg [0:71] w0_d_q;
wire [0:71] w0_d_d;
integer i;
initial begin
for (i = 0; i < 64; i = i + 1)
mem[i] = 0;
end
//wtf:icarus $dumpvars cannot dump a vpiMemory
generate
genvar j;
for (j = 0; j < 63; j=j+1) begin: loc
wire [0:63] dat;
wire [0:7] par;
assign dat = mem[j][0:63];
assign par = mem[j][0:7];
end
endgenerate
generate
always @(posedge clk) begin
r0_e_q <= rd0_act;
r0_a_q <= rd0_adr;
r0_d_q <= r0_e_q ? mem[r0_a_q] : 0;
if (w0_e_q) begin
mem[w0_a_q] <= w0_d_q;
end
w0_e_q <= wr_act;
w0_a_q <= wr_adr;
w0_d_q <= di;
end
assign do0 = r0_d_q;
assign abst_scan_out = abst_scan_in;
assign time_scan_out = time_scan_in;
assign repr_scan_out = repr_scan_in;
assign bo_pc_failout = 1'b0;
assign bo_pc_diagloop = 1'b0;
assign unused = | ({sg_0, abst_sl_thold_0, ary_nsl_thold_0, time_sl_thold_0, repr_sl_thold_0, scan_dis_dc_b, scan_diag_dc, ccflush_dc, clkoff_dc_b, d_mode_dc, mpw1_dc_b, mpw2_dc_b, delay_lclkr_dc, abist_di, abist_bw_odd, abist_bw_even, abist_wr_adr, abist_rd0_adr, wr_abst_act, rd0_abst_act, tc_lbist_ary_wrt_thru_dc, abist_ena_1, abist_g8t_rd0_comp_ena, abist_raw_dc_b, obs0_abist_cmp, rd0_act, tidn, lcb_bolt_sl_thold_0, pc_bo_enable_2, pc_bo_reset, pc_bo_unload, pc_bo_repair, pc_bo_shdata, pc_bo_select, tri_lcb_mpw1_dc_b, tri_lcb_mpw2_dc_b, tri_lcb_delay_lclkr_dc, tri_lcb_clkoff_dc_b, tri_lcb_act_dis_dc});
endgenerate
endmodule