mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-04-13 04:28:18 +00:00
Code Activity

Added more FF types to xilinx/cells.v

Browse source
This commit is contained in:
Clifford Wolf 2015-01-16 15:24:54 +01:00
parent 6b09153320
commit 7bde74cd2a
1 changed files with 28 additions and 25 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

53
techlibs/xilinx/cells.v
View file

@ -1,17 +1,21 @@
module \$_DFF_P_ (D, C, Q);
input D, C; module \$_DFF_N_ (input D, C, output Q); FDRE #(.INIT(|0), .IS_C_INVERTED(|1), .IS_D_INVERTED(|0), .IS_R_INVERTED(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .R(1'b0)); endmodule
output Q; module \$_DFF_P_ (input D, C, output Q); FDRE #(.INIT(|0), .IS_C_INVERTED(|0), .IS_D_INVERTED(|0), .IS_R_INVERTED(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .R(1'b0)); endmodule
FDRE fpga_dff ( module \$_DFFE_NP_ (input D, C, E, output Q); FDRE #(.INIT(|0), .IS_C_INVERTED(|1), .IS_D_INVERTED(|0), .IS_R_INVERTED(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(E), .R(1'b0)); endmodule
.D(D), .Q(Q), .C(C), module \$_DFFE_PP_ (input D, C, E, output Q); FDRE #(.INIT(|0), .IS_C_INVERTED(|0), .IS_D_INVERTED(|0), .IS_R_INVERTED(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(E), .R(1'b0)); endmodule
.CE(1'b1), .R(1'b0)
);
endmodule module \$_DFF_NN0_ (input D, C, R, output Q); FDCE #(.INIT(|0), .IS_C_INVERTED(|1), .IS_D_INVERTED(|0), .IS_CLR_INVERTED(|1)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR(R)); endmodule
module \$_DFF_NP0_ (input D, C, R, output Q); FDCE #(.INIT(|0), .IS_C_INVERTED(|1), .IS_D_INVERTED(|0), .IS_CLR_INVERTED(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR(R)); endmodule
module \$_DFF_PN0_ (input D, C, R, output Q); FDCE #(.INIT(|0), .IS_C_INVERTED(|0), .IS_D_INVERTED(|0), .IS_CLR_INVERTED(|1)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR(R)); endmodule
module \$_DFF_PP0_ (input D, C, R, output Q); FDCE #(.INIT(|0), .IS_C_INVERTED(|0), .IS_D_INVERTED(|0), .IS_CLR_INVERTED(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR(R)); endmodule
module \$_DFF_NN1_ (input D, C, R, output Q); FDPE #(.INIT(|0), .IS_C_INVERTED(|1), .IS_D_INVERTED(|0), .IS_PRE_INVERTED(|1)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE(R)); endmodule
module \$_DFF_NP1_ (input D, C, R, output Q); FDPE #(.INIT(|0), .IS_C_INVERTED(|1), .IS_D_INVERTED(|0), .IS_PRE_INVERTED(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE(R)); endmodule
module \$_DFF_PN1_ (input D, C, R, output Q); FDPE #(.INIT(|0), .IS_C_INVERTED(|0), .IS_D_INVERTED(|0), .IS_PRE_INVERTED(|1)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE(R)); endmodule
module \$_DFF_PP1_ (input D, C, R, output Q); FDPE #(.INIT(|0), .IS_C_INVERTED(|0), .IS_D_INVERTED(|0), .IS_PRE_INVERTED(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE(R)); endmodule
module \$lut (A, Y); module \$lut (A, Y);
parameter WIDTH = 0; parameter WIDTH = 0;
parameter LUT = 0; parameter LUT = 0;
@ -19,34 +23,34 @@ module \$lut (A, Y);
output Y; output Y;
generate generate
if (WIDTH == 1) begin:lut1 if (WIDTH == 1) begin
LUT1 #(.INIT(LUT)) fpga_lut (.O(Y), LUT1 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y),
.I0(A[0])); .I0(A[0]));
end else end else
if (WIDTH == 2) begin:lut2 if (WIDTH == 2) begin
LUT2 #(.INIT(LUT)) fpga_lut (.O(Y), LUT2 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y),
.I0(A[0]), .I1(A[1])); .I0(A[0]), .I1(A[1]));
end else end else
if (WIDTH == 3) begin:lut3 if (WIDTH == 3) begin
LUT3 #(.INIT(LUT)) fpga_lut (.O(Y), LUT3 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y),
.I0(A[0]), .I1(A[1]), .I2(A[2])); .I0(A[0]), .I1(A[1]), .I2(A[2]));
end else end else
if (WIDTH == 4) begin:lut4 if (WIDTH == 4) begin
LUT4 #(.INIT(LUT)) fpga_lut (.O(Y), LUT4 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y),
.I0(A[0]), .I1(A[1]), .I2(A[2]), .I0(A[0]), .I1(A[1]), .I2(A[2]),
.I3(A[3])); .I3(A[3]));
end else end else
if (WIDTH == 5) begin:lut5 if (WIDTH == 5) begin
LUT5 #(.INIT(LUT)) fpga_lut (.O(Y), LUT5 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y),
.I0(A[0]), .I1(A[1]), .I2(A[2]), .I0(A[0]), .I1(A[1]), .I2(A[2]),
.I3(A[3]), .I4(A[4])); .I3(A[3]), .I4(A[4]));
end else end else
if (WIDTH == 6) begin:lut6 if (WIDTH == 6) begin
LUT6 #(.INIT(LUT)) fpga_lut (.O(Y), LUT6 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y),
.I0(A[0]), .I1(A[1]), .I2(A[2]), .I0(A[0]), .I1(A[1]), .I2(A[2]),
.I3(A[3]), .I4(A[4]), .I5(A[5])); .I3(A[3]), .I4(A[4]), .I5(A[5]));
end else end else
if (WIDTH == 7) begin:lut7 if (WIDTH == 7) begin
wire T0, T1; wire T0, T1;
LUT6 #(.INIT(LUT[63:0])) fpga_lut_0 (.O(T0), LUT6 #(.INIT(LUT[63:0])) fpga_lut_0 (.O(T0),
.I0(A[0]), .I1(A[1]), .I2(A[2]), .I0(A[0]), .I1(A[1]), .I2(A[2]),
@ -56,7 +60,7 @@ module \$lut (A, Y);
.I3(A[3]), .I4(A[4]), .I5(A[5])); .I3(A[3]), .I4(A[4]), .I5(A[5]));
MUXF7 fpga_mux_0 (.O(Y), .I0(T0), .I1(T1), .S(A[6])); MUXF7 fpga_mux_0 (.O(Y), .I0(T0), .I1(T1), .S(A[6]));
end else end else
if (WIDTH == 8) begin:lut8 if (WIDTH == 8) begin
wire T0, T1, T2, T3, T4, T5; wire T0, T1, T2, T3, T4, T5;
LUT6 #(.INIT(LUT[63:0])) fpga_lut_0 (.O(T0), LUT6 #(.INIT(LUT[63:0])) fpga_lut_0 (.O(T0),
.I0(A[0]), .I1(A[1]), .I2(A[2]), .I0(A[0]), .I1(A[1]), .I2(A[2]),
@ -73,9 +77,8 @@ module \$lut (A, Y);
MUXF7 fpga_mux_0 (.O(T4), .I0(T0), .I1(T1), .S(A[6])); MUXF7 fpga_mux_0 (.O(T4), .I0(T0), .I1(T1), .S(A[6]));
MUXF7 fpga_mux_1 (.O(T5), .I0(T2), .I1(T3), .S(A[6])); MUXF7 fpga_mux_1 (.O(T5), .I0(T2), .I1(T3), .S(A[6]));
MUXF8 fpga_mux_2 (.O(Y), .I0(T4), .I1(T5), .S(A[7])); MUXF8 fpga_mux_2 (.O(Y), .I0(T4), .I1(T5), .S(A[7]));
end else begin:error end else begin
wire _TECHMAP_FAIL_ = 1; wire _TECHMAP_FAIL_ = 1;
end end
endgenerate endgenerate
endmodule endmodule