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Diffstat (limited to 'techlibs/altera_intel/max10/cells_comb_max10.v')
-rw-r--r-- | techlibs/altera_intel/max10/cells_comb_max10.v | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/techlibs/altera_intel/max10/cells_comb_max10.v b/techlibs/altera_intel/max10/cells_comb_max10.v deleted file mode 100644 index 51adb72e2..000000000 --- a/techlibs/altera_intel/max10/cells_comb_max10.v +++ /dev/null @@ -1,128 +0,0 @@ -/* - * 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 MAX10 devices Input Buffer Primitive */ -module fiftyfivenm_io_ibuf (output o, input i, input ibar); - assign ibar = ibar; - assign o = i; -endmodule // fiftyfivenm_io_ibuf - -/* Altera MAX10 devices Output Buffer Primitive */ -module fiftyfivenm_io_obuf (output o, input i, input oe); - assign o = i; - assign oe = oe; -endmodule // fiftyfivenm_io_obuf - -/* Altera MAX10 4-input non-fracturable LUT Primitive */ -module fiftyfivenm_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 = "fiftyfivenm_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 // fiftyfivenm_lcell_comb - -/* Altera MAX10 D Flip-Flop Primitive */ -// TODO: Implement advanced simulation functions -module dffeas ( output q, - input d, clk, clrn, prn, ena, - input asdata, aload, sclr, sload ); - -parameter power_up="dontcare"; -parameter is_wysiwyg="false"; - reg q; - - always @(posedge clk) - q <= d; - -endmodule - - - |