diff options
Diffstat (limited to 'techlibs/intel/cyclonev')
| -rw-r--r-- | techlibs/intel/cyclonev/cells_arith.v | 71 | ||||
| -rw-r--r-- | techlibs/intel/cyclonev/cells_map.v | 126 | ||||
| -rw-r--r-- | techlibs/intel/cyclonev/cells_sim.v | 150 | 
3 files changed, 0 insertions, 347 deletions
| diff --git a/techlibs/intel/cyclonev/cells_arith.v b/techlibs/intel/cyclonev/cells_arith.v deleted file mode 100644 index 6a52a0f95..000000000 --- a/techlibs/intel/cyclonev/cells_arith.v +++ /dev/null @@ -1,71 +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. - * - */ - -// NOTE: This is still WIP. -(* techmap_celltype = "$alu" *) -module _80_altera_a10gx_alu (A, B, CI, BI, X, Y, CO); -   parameter A_SIGNED = 0; -   parameter B_SIGNED = 0; -   parameter A_WIDTH  = 1; -   parameter B_WIDTH  = 1; -   parameter Y_WIDTH  = 1; - -	(* force_downto *) -	input [A_WIDTH-1:0] A; -	(* force_downto *) -	input [B_WIDTH-1:0] B; -	(* force_downto *) -	output [Y_WIDTH-1:0] X, Y; - -	input CI, BI; -	//output [Y_WIDTH-1:0] CO; -        output                 CO; - -	wire _TECHMAP_FAIL_ = Y_WIDTH <= 4; - -	(* force_downto *) -	wire [Y_WIDTH-1:0] A_buf, B_buf; -	\$pos #(.A_SIGNED(A_SIGNED), .A_WIDTH(A_WIDTH), .Y_WIDTH(Y_WIDTH)) A_conv (.A(A), .Y(A_buf)); -	\$pos #(.A_SIGNED(B_SIGNED), .A_WIDTH(B_WIDTH), .Y_WIDTH(Y_WIDTH)) B_conv (.A(B), .Y(B_buf)); - -	(* force_downto *) -	wire [Y_WIDTH-1:0] AA = A_buf; -	(* force_downto *) -	wire [Y_WIDTH-1:0] BB = BI ? ~B_buf : B_buf; -	//wire [Y_WIDTH:0] C = {CO, CI}; -        wire [Y_WIDTH+1:0] COx; -        wire [Y_WIDTH+1:0] C = {COx, CI}; - -	/* Start implementation */ -	(* keep *) fiftyfivenm_lcell_comb #(.lut_mask(16'b0000_0000_1010_1010), .sum_lutc_input("cin")) carry_start (.cout(COx[0]), .dataa(C[0]), .datab(1'b1), .datac(1'b1), .datad(1'b1)); - -	genvar i; -	generate for (i = 0; i < Y_WIDTH; i = i + 1) begin: slice -	  if(i==Y_WIDTH-1) begin -	    (* keep *) fiftyfivenm_lcell_comb #(.lut_mask(16'b1111_0000_1110_0000), .sum_lutc_input("cin")) carry_end (.combout(COx[Y_WIDTH]), .dataa(1'b1), .datab(1'b1), .datac(1'b1), .datad(1'b1), .cin(C[Y_WIDTH])); -            assign CO = COx[Y_WIDTH]; -          end -	  else -	    fiftyfivenm_lcell_comb #(.lut_mask(16'b1001_0110_1110_1000), .sum_lutc_input("cin")) arith_cell (.combout(Y[i]), .cout(COx[i+1]), .dataa(AA[i]), .datab(BB[i]), .datac(1'b1), .datad(1'b1), .cin(C[i+1])); -	  end: slice -	endgenerate -	/* End implementation */ -	assign X = AA ^ BB; - -endmodule diff --git a/techlibs/intel/cyclonev/cells_map.v b/techlibs/intel/cyclonev/cells_map.v deleted file mode 100644 index 0041481ab..000000000 --- a/techlibs/intel/cyclonev/cells_map.v +++ /dev/null @@ -1,126 +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. - * - */ -// > c60k28 (Viacheslav, VT) [at] yandex [dot] com -// > Intel FPGA technology mapping. User must first simulate the generated \ -// > netlist before going to test it on board. - -// Input buffer map -module \$__inpad (input I, output O); -   cyclonev_io_ibuf _TECHMAP_REPLACE_ (.o(O), .i(I), .ibar(1'b0)); -endmodule - -// Output buffer map -module \$__outpad (input I, output O); -   cyclonev_io_obuf _TECHMAP_REPLACE_ (.o(O), .i(I), .oe(1'b1)); -endmodule - -// LUT Map -module \$lut (A, Y); -   parameter WIDTH  = 0; -   parameter LUT    = 0; -   (* force_downto *) -   input [WIDTH-1:0] A; -   output            Y; -   wire              VCC; -   wire              GND; -   assign {VCC,GND} = {1'b1,1'b0}; - -   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 -           cyclonev_lcell_comb #(.lut_mask({16{LUT}}), .shared_arith("off"), .extended_lut("off")) -           _TECHMAP_REPLACE_ -             (.combout(Y), -              .dataa(A[0]), -              .datab(A[1]), -              .datac(VCC), -              .datad(VCC), -              .datae(VCC), -              .dataf(VCC), -              .datag(VCC)); -        end -        else -          if(WIDTH == 3) begin -	     cyclonev_lcell_comb #(.lut_mask({8{LUT}}), .shared_arith("off"), .extended_lut("off")) -             _TECHMAP_REPLACE_ -               (.combout(Y), -                .dataa(A[0]), -                .datab(A[1]), -                .datac(A[2]), -                .datad(VCC), -                .datae(VCC), -                .dataf(VCC), -                .datag(VCC)); -          end -          else -            if(WIDTH == 4) begin -	       cyclonev_lcell_comb #(.lut_mask({4{LUT}}), .shared_arith("off"), .extended_lut("off")) -               _TECHMAP_REPLACE_ -                 (.combout(Y), -                  .dataa(A[0]), -                  .datab(A[1]), -                  .datac(A[2]), -                  .datad(A[3]), -                  .datae(VCC), -                  .dataf(VCC), -                  .datag(VCC)); -            end -            else -              if(WIDTH == 5) begin -                 cyclonev_lcell_comb #(.lut_mask({2{LUT}}), .shared_arith("off"), .extended_lut("off")) -                 _TECHMAP_REPLACE_ -                   (.combout(Y), -                    .dataa(A[0]), -                    .datab(A[1]), -                    .datac(A[2]), -                    .datad(A[3]), -                    .datae(A[4]), -                    .dataf(VCC), -                    .datag(VCC)); -              end -              else -                if(WIDTH == 6) begin -                   cyclonev_lcell_comb #(.lut_mask(LUT), .shared_arith("off"), .extended_lut("off")) -                   _TECHMAP_REPLACE_ -                     (.combout(Y), -                      .dataa(A[0]), -                      .datab(A[1]), -                      .datac(A[2]), -                      .datad(A[3]), -                      .datae(A[4]), -                      .dataf(A[5]), -                      .datag(VCC)); -                end -                /*else -                  if(WIDTH == 7) begin -                    TODO: There's not a just 7-input function on Cyclone V, see the following note: -                    **Extended LUT Mode** -                    Use extended LUT mode to implement a specific set of 7-input functions. The set must -                    be a 2-to-1 multiplexer fed by two arbitrary 5-input functions sharing four inputs. -                    [source](Device Interfaces and Integration Basics for Cyclone V Devices). -                  end*/ -                  else -                     wire _TECHMAP_FAIL_ = 1; -   endgenerate -endmodule // lut - - diff --git a/techlibs/intel/cyclonev/cells_sim.v b/techlibs/intel/cyclonev/cells_sim.v deleted file mode 100644 index 9b2a10e72..000000000 --- a/techlibs/intel/cyclonev/cells_sim.v +++ /dev/null @@ -1,150 +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 V devices Input Buffer Primitive */ -module cyclonev_io_ibuf -  (output o, input i, input ibar); -   assign ibar = ibar; -   assign o    = i; -endmodule // cyclonev_io_ibuf - -/* Altera Cyclone V devices Output Buffer Primitive */ -module cyclonev_io_obuf -  (output o, input i, input oe); -   assign o  = i; -   assign oe = oe; -endmodule // cyclonev_io_obuf - -/* Altera Cyclone V LUT Primitive */ -module cyclonev_lcell_comb -  (output combout, cout, sumout, shareout, -   input dataa, datab, datac, datad, -   input datae, dataf, datag, cin, -   input sharein); - -   parameter lut_mask      = 64'hFFFFFFFFFFFFFFFF; -   parameter dont_touch    = "off"; -   parameter lpm_type      = "cyclonev_lcell_comb"; -   parameter shared_arith  = "off"; -   parameter extended_lut  = "off"; - -   // Internal variables -   // Sub mask for fragmented LUTs -   wire [15:0] mask_a, mask_b, mask_c, mask_d; -   // Independent output for fragmented LUTs -   wire        output_0, output_1, output_2, output_3; -   // Extended mode uses mux to define the output -   wire        mux_0, mux_1; -   // Input for hold the shared LUT mode value -   wire        shared_lut_alm; - -   // Simulation model of 4-input LUT -   function lut4; -      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]; -         lut4 = dataa ? s1[1] : s1[0]; -      end -   endfunction // lut4 - -   // Simulation model of 5-input LUT -   function lut5; -      input [31:0] mask; // wp-01003.pdf, page 3: "a 5-LUT can be built with two 4-LUTs and a multiplexer. -      input        dataa, datab, datac, datad, datae; -      reg          upper_lut_value; -      reg          lower_lut_value; -      begin -         upper_lut_value = lut4(mask[31:16], dataa, datab, datac, datad); -         lower_lut_value = lut4(mask[15:0], dataa, datab, datac, datad); -         lut5            = (datae) ? upper_lut_value : lower_lut_value; -      end -   endfunction // lut5 - -   // Simulation model of 6-input LUT -   function lut6; -      input [63:0] mask; -      input        dataa, datab, datac, datad, datae, dataf; -      reg          upper_lut_value; -      reg          lower_lut_value; -      reg          out_0, out_1, out_2, out_3; -      begin -         upper_lut_value = lut5(mask[63:32], dataa, datab, datac, datad, datae); -         lower_lut_value = lut5(mask[31:0], dataa, datab, datac, datad, datae); -         lut6            = (dataf) ?  upper_lut_value : lower_lut_value; -      end -   endfunction // lut6 - -   assign {mask_a, mask_b, mask_c, mask_d} = {lut_mask[15:0], lut_mask[31:16], lut_mask[47:32], lut_mask[63:48]}; -`ifdef ADVANCED_ALM -   always @(*) begin -      if(extended_lut == "on") -        shared_lut_alm = datag; -      else -        shared_lut_alm = datac; -      // Build the ALM behaviour -      out_0 = lut4(mask_a, dataa, datab, datac, datad); -      out_1 = lut4(mask_b, dataa, datab, shared_lut_alm, datad); -      out_2 = lut4(mask_c, dataa, datab, datac, datad); -      out_3 = lut4(mask_d, dataa, datab, shared_lut_alm, datad); -   end -`else -   `ifdef DEBUG -       initial $display("Advanced ALM lut combine is not implemented yet"); -   `endif -`endif -endmodule // cyclonev_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 | 
