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authorDan Ravensloft <dan.ravensloft@gmail.com>2019-12-10 13:31:45 +0000
committerDan Ravensloft <dan.ravensloft@gmail.com>2019-12-10 13:47:58 +0000
commiteab3272cdeed697bdb9664c2d8a133d336addb7c (patch)
tree834d258a4f548a00abd36af9486b5e4c79850f85 /techlibs/intel/cyclone10/cells_sim.v
parentfcce94010f3282e7f7d3f602b3e710cb7ce524ee (diff)
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synth_intel: cyclone10 -> cyclone10lp
Diffstat (limited to 'techlibs/intel/cyclone10/cells_sim.v')
-rw-r--r--techlibs/intel/cyclone10/cells_sim.v137
1 files changed, 0 insertions, 137 deletions
diff --git a/techlibs/intel/cyclone10/cells_sim.v b/techlibs/intel/cyclone10/cells_sim.v
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-/*
- * yosys -- Yosys Open SYnthesis Suite
- *
- * Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- */
-module VCC (output V);
- assign V = 1'b1;
-endmodule // VCC
-
-module GND (output G);
- assign G = 1'b0;
-endmodule // GND
-
-/* Altera Cyclone 10 LP devices Input Buffer Primitive */
-module cyclone10lp_io_ibuf
- (output o, input i, input ibar);
- assign ibar = ibar;
- assign o = i;
-endmodule // cyclone10lp_io_ibuf
-
-/* Altera Cyclone 10 LP devices Output Buffer Primitive */
-module cyclone10lp_io_obuf
- (output o, input i, input oe);
- assign o = i;
- assign oe = oe;
-endmodule // cyclone10lp_io_obuf
-
-/* Altera Cyclone IV (E) 4-input non-fracturable LUT Primitive */
-module cyclone10lp_lcell_comb
- (output combout, cout,
- input dataa, datab, datac, datad, cin);
-
- /* Internal parameters which define the behaviour
- of the LUT primitive.
- lut_mask define the lut function, can be expressed in 16-digit bin or hex.
- sum_lutc_input define the type of LUT (combinational | arithmetic).
- dont_touch for retiming || carry options.
- lpm_type for WYSIWYG */
-
- parameter lut_mask = 16'hFFFF;
- parameter dont_touch = "off";
- parameter lpm_type = "cyclone10lp_lcell_comb";
- parameter sum_lutc_input = "datac";
-
- reg [1:0] lut_type;
- reg cout_rt;
- reg combout_rt;
- wire dataa_w;
- wire datab_w;
- wire datac_w;
- wire datad_w;
- wire cin_w;
-
- assign dataa_w = dataa;
- assign datab_w = datab;
- assign datac_w = datac;
- assign datad_w = datad;
-
- function lut_data;
- input [15:0] mask;
- input dataa, datab, datac, datad;
- reg [7:0] s3;
- reg [3:0] s2;
- reg [1:0] s1;
- begin
- s3 = datad ? mask[15:8] : mask[7:0];
- s2 = datac ? s3[7:4] : s3[3:0];
- s1 = datab ? s2[3:2] : s2[1:0];
- lut_data = dataa ? s1[1] : s1[0];
- end
-
- endfunction
-
- initial begin
- if (sum_lutc_input == "datac") lut_type = 0;
- else
- if (sum_lutc_input == "cin") lut_type = 1;
- else begin
- $error("Error in sum_lutc_input. Parameter %s is not a valid value.\n", sum_lutc_input);
- $finish();
- end
- end
-
- always @(dataa_w or datab_w or datac_w or datad_w or cin_w) begin
- if (lut_type == 0) begin // logic function
- combout_rt = lut_data(lut_mask, dataa_w, datab_w,
- datac_w, datad_w);
- end
- else if (lut_type == 1) begin // arithmetic function
- combout_rt = lut_data(lut_mask, dataa_w, datab_w,
- cin_w, datad_w);
- end
- cout_rt = lut_data(lut_mask, dataa_w, datab_w, cin_w, 'b0);
- end
-
- assign combout = combout_rt & 1'b1;
- assign cout = cout_rt & 1'b1;
-
-endmodule // cyclone10lp_lcell_comb
-
-/* Altera D Flip-Flop Primitive */
-module dffeas
- (output q,
- input d, clk, clrn, prn, ena,
- input asdata, aload, sclr, sload);
-
- // Timing simulation is not covered
- parameter power_up="dontcare";
- parameter is_wysiwyg="false";
-
- reg q_tmp;
- wire reset;
- reg [7:0] debug_net;
-
- assign reset = (prn && sclr && ~clrn && ena);
- assign q = q_tmp & 1'b1;
-
- always @(posedge clk, posedge aload) begin
- if(reset) q_tmp <= 0;
- else q_tmp <= d;
- end
- assign q = q_tmp;
-
-endmodule // dffeas