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Fixed broken Quartus backend on dffeas init value (Error (12170): Illegal value for the POWER_UP parameter. Fixed and tested Cyclone V device
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11 changed files with 232 additions and 177 deletions
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@ -16,53 +16,25 @@
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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// Normal mode DFF negedge clk, negedge reset
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module \$_DFF_N_ (input D, C, output Q);
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parameter WYSIWYG="TRUE";
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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));
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endmodule
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// Normal mode DFF
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module \$_DFF_P_ (input D, C, output Q);
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parameter WYSIWYG="TRUE";
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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));
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endmodule
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// Async Active Low Reset DFF
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module \$_DFF_PN0_ (input D, C, R, output Q);
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parameter WYSIWYG="TRUE";
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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));
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endmodule
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// Async Active High Reset DFF
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module \$_DFF_PP0_ (input D, C, R, output Q);
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parameter WYSIWYG="TRUE";
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wire R_i = ~ R;
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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));
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endmodule
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// Async Active Low Reset DFF
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module \$_DFF_PN0_ (input D, C, R, output Q);
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parameter WYSIWYG="TRUE";
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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));
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endmodule
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/* */
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module \$__DFFE_PP0 (input D, C, E, R, output Q);
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parameter WYSIWYG="TRUE";
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wire E_i = ~ E;
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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));
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endmodule
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// > c60k28 (Viacheslav, VT) [at] yandex [dot] com
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// > Achronix eFPGA technology mapping. User must first simulate the generated \
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// > netlist before going to test it on board/custom chip.
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// > Input/Output buffers <
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// Input buffer map
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module \$__inpad (input I, output O);
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PADIN _TECHMAP_REPLACE_ (.padout(O), .padin(I));
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endmodule
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// Output buffer map
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module \$__outpad (input I, output O);
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PADOUT _TECHMAP_REPLACE_ (.padout(O), .padin(I), .oe(1'b1));
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endmodule
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// > end buffers <
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// > Look-Up table <
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// > VT: I still think Achronix folks would have choosen a better \
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// > logic architecture.
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// LUT Map
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/* 0 -> datac
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1 -> cin */
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module \$lut (A, Y);
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parameter WIDTH = 0;
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parameter LUT = 0;
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@ -70,19 +42,31 @@ module \$lut (A, Y);
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output Y;
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generate
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if (WIDTH == 1) begin
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assign Y = ~A[0]; // Not need to spend 1 logic cell for such an easy function
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// VT: This is not consistent and ACE will complain: assign Y = ~A[0];
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LUT4 #(.lut_function({4{LUT}})) _TECHMAP_REPLACE_
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(.dout(Y), .din0(A[0]), .din1(1'b0), .din2(1'b0), .din3(1'b0));
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end else
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if (WIDTH == 2) begin
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LUT4 #(.lut_function({4{LUT}})) _TECHMAP_REPLACE_ (.dout(Y), .din0(A[0]), .din1(A[1]), .din2(1'b0),.din3(1'b0));
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LUT4 #(.lut_function({4{LUT}})) _TECHMAP_REPLACE_
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(.dout(Y), .din0(A[0]), .din1(A[1]), .din2(1'b0), .din3(1'b0));
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end else
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if(WIDTH == 3) begin
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LUT4 #(.lut_function({2{LUT}})) _TECHMAP_REPLACE_ (.dout(Y), .din0(A[0]), .din1(A[1]), .din2(A[2]),.din3(1'b0));
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LUT4 #(.lut_function({2{LUT}})) _TECHMAP_REPLACE_
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(.dout(Y), .din0(A[0]), .din1(A[1]), .din2(A[2]), .din3(1'b0));
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end else
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if(WIDTH == 4) begin
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LUT4 #(.lut_function(LUT)) _TECHMAP_REPLACE_ (.dout(Y), .din0(A[0]), .din1(A[1]), .din2(A[2]), .din3(A[3]));
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LUT4 #(.lut_function(LUT)) _TECHMAP_REPLACE_
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(.dout(Y), .din0(A[0]), .din1(A[1]), .din2(A[2]), .din3(A[3]));
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end else
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wire _TECHMAP_FAIL_ = 1;
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endgenerate
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endmodule //
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endmodule
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// > end LUT <
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// > Flops <
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// DFF flop
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module \$_DFF_P_ (input D, C, output Q);
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DFF _TECHMAP_REPLACE_
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(.q(Q), .d(D), .ck(C));
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endmodule
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