Merge branch 'dh73-master'

1 files changed, 98 insertions, 0 deletions

diff --git a/techlibs/intel/cycloneive/cells_map.v b/techlibs/intel/cycloneive/cells_map.v
new file mode 100755
index 000000000..e7477773a
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+++ b/techlibs/intel/cycloneive/cells_map.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.
+ *
+ */
+// Normal mode DFF negedge clk, negedge reset
+module  \$_DFF_N_ (input D, 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
+// Normal mode DFF
+module  \$_DFF_P_ (input D, 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
+// Async Active Low Reset DFF
+module  \$_DFF_PN0_ (input D, C, R, output Q);
+   parameter WYSIWYG="TRUE";
+   dffeas #(.is_wysiwyg(WYSIWYG)) _TECHMAP_REPLACE_ (.d(D), .q(Q), .clk(C), .clrn(R), .prn(1'b1), .ena(1'b1), .asdata(1'b0), .aload(1'b0), .sclr(1'b0), .sload(1'b0));
+endmodule
+// Async Active High Reset DFF
+module  \$_DFF_PP0_ (input D, C, R, output Q);
+   parameter WYSIWYG="TRUE";
+   wire R_i = ~ R;
+   dffeas #(.is_wysiwyg(WYSIWYG)) _TECHMAP_REPLACE_ (.d(D), .q(Q), .clk(C), .clrn(R_i), .prn(1'b1), .ena(1'b1), .asdata(1'b0), .aload(1'b0), .sclr(1'b0), .sload(1'b0));
+endmodule
+
+module  \$__DFFE_PP0 (input D, C, E, R, output Q); 
+   parameter WYSIWYG="TRUE";
+   wire E_i = ~ E;
+   dffeas #(.is_wysiwyg(WYSIWYG)) _TECHMAP_REPLACE_ (.d(D), .q(Q), .clk(C), .clrn(R), .prn(1'b1), .ena(1'b1), .asdata(1'b0), .aload(1'b0), .sclr(E_i), .sload(1'b0));
+endmodule
+
+// Input buffer map
+module \$__inpad (input I, output O);
+   cycloneive_io_ibuf _TECHMAP_REPLACE_ (.o(O), .i(I), .ibar(1'b0));
+endmodule
+
+// Output buffer map
+module \$__outpad (input I, output O);
+   cycloneive_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
+           cycloneive_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
+	     cycloneive_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
+	       cycloneive_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 
+
+