diff options
Diffstat (limited to 'techlibs/altera_intel/cycloneiv')
-rw-r--r-- | techlibs/altera_intel/cycloneiv/cells_comb_cycloneiv.v | 128 | ||||
-rw-r--r-- | techlibs/altera_intel/cycloneiv/cells_map_cycloneiv.v | 61 |
2 files changed, 0 insertions, 189 deletions
diff --git a/techlibs/altera_intel/cycloneiv/cells_comb_cycloneiv.v b/techlibs/altera_intel/cycloneiv/cells_comb_cycloneiv.v deleted file mode 100644 index a65d0c991..000000000 --- a/techlibs/altera_intel/cycloneiv/cells_comb_cycloneiv.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 Cyclone IV (GX) devices Input Buffer Primitive */ -module cycloneiv_io_ibuf (output o, input i, input ibar); - assign ibar = ibar; - assign o = i; -endmodule // fiftyfivenm_io_ibuf - -/* Altera Cyclone IV (GX) devices Output Buffer Primitive */ -module cycloneiv_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 cycloneiv_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 = "cycloneiv_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 // cycloneiv_lcell_comb - -/* Altera Cyclone IV 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 - - - diff --git a/techlibs/altera_intel/cycloneiv/cells_map_cycloneiv.v b/techlibs/altera_intel/cycloneiv/cells_map_cycloneiv.v deleted file mode 100644 index e02332712..000000000 --- a/techlibs/altera_intel/cycloneiv/cells_map_cycloneiv.v +++ /dev/null @@ -1,61 +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. - * - */ - -// Flip-flop D -module \$_DFF_P_ (input D, input C, output Q); - parameter WYSIWYG="TRUE"; - dffeas #(.is_wysiwyg(WYSIWYG)) _TECHMAP_REPLACE_ (.d(D), .q(Q), .clk(C), .clrn(1'b1), .prn(1'b1), .ena(1'b1), .asdata(1'b0), .aload(1'b0), .sclr(1'b0), .sload(1'b0)); -endmodule // - -// Input buffer map -module \$__inpad (input I, output O); - cycloneiv_io_ibuf _TECHMAP_REPLACE_ (.o(O), .i(I), .ibar(1'b0)); -endmodule - -// Output buffer map -module \$__outpad (input I, output O); - cycloneiv_io_obuf _TECHMAP_REPLACE_ (.o(O), .i(I), .oe(1'b1)); -endmodule - -// LUT Map -/* 0 -> datac - 1 -> cin */ -module \$lut (A, Y); - parameter WIDTH = 0; - parameter LUT = 0; - input [WIDTH-1:0] A; - output Y; - generate - if (WIDTH == 1) begin - assign Y = ~A[0]; // Not need to spend 1 logic cell for such an easy function - end else - if (WIDTH == 2) begin - cycloneiv_lcell_comb #(.lut_mask({4{LUT}}), .sum_lutc_input("datac")) _TECHMAP_REPLACE_ (.combout(Y), .dataa(A[0]), .datab(A[1]), .datac(1'b1),.datad(1'b1)); - end else - if(WIDTH == 3) begin - cycloneiv_lcell_comb #(.lut_mask({2{LUT}}), .sum_lutc_input("datac")) _TECHMAP_REPLACE_ (.combout(Y), .dataa(A[0]), .datab(A[1]), .datac(A[2]),.datad(1'b1)); - end else - if(WIDTH == 4) begin - cycloneiv_lcell_comb #(.lut_mask(LUT), .sum_lutc_input("datac")) _TECHMAP_REPLACE_ (.combout(Y), .dataa(A[0]), .datab(A[1]), .datac(A[2]),.datad(A[3])); - end else - wire _TECHMAP_FAIL_ = 1; - endgenerate -endmodule // - - |