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|
module GP_DFFS(input D, CLK, nSET, output reg Q);
parameter [0:0] INIT = 1'bx;
GP_DFFSR #(
.INIT(INIT),
.SRMODE(1'b1),
) _TECHMAP_REPLACE_ (
.D(D),
.CLK(CLK),
.nSR(nSET),
.Q(Q)
);
endmodule
module GP_DFFR(input D, CLK, nRST, output reg Q);
parameter [0:0] INIT = 1'bx;
GP_DFFSR #(
.INIT(INIT),
.SRMODE(1'b0),
) _TECHMAP_REPLACE_ (
.D(D),
.CLK(CLK),
.nSR(nRST),
.Q(Q)
);
endmodule
module GP_DFFSI(input D, CLK, nSET, output reg nQ);
parameter [0:0] INIT = 1'bx;
GP_DFFSRI #(
.INIT(INIT),
.SRMODE(1'b1),
) _TECHMAP_REPLACE_ (
.D(D),
.CLK(CLK),
.nSR(nSET),
.nQ(nQ)
);
endmodule
module GP_DFFRI(input D, CLK, nRST, output reg nQ);
parameter [0:0] INIT = 1'bx;
GP_DFFSRI #(
.INIT(INIT),
.SRMODE(1'b0),
) _TECHMAP_REPLACE_ (
.D(D),
.CLK(CLK),
.nSR(nRST),
.nQ(nQ)
);
endmodule
module GP_DLATCHS(input D, nCLK, nSET, output reg Q);
parameter [0:0] INIT = 1'bx;
GP_DLATCHSR #(
.INIT(INIT),
.SRMODE(1'b1),
) _TECHMAP_REPLACE_ (
.D(D),
.nCLK(nCLK),
.nSR(nSET),
.Q(Q)
);
endmodule
module GP_DLATCHR(input D, nCLK, nRST, output reg Q);
parameter [0:0] INIT = 1'bx;
GP_DLATCHSR #(
.INIT(INIT),
.SRMODE(1'b0),
) _TECHMAP_REPLACE_ (
.D(D),
.nCLK(nCLK),
.nSR(nRST),
.Q(Q)
);
endmodule
module GP_DLATCHSI(input D, nCLK, nSET, output reg nQ);
parameter [0:0] INIT = 1'bx;
GP_DLATCHSRI #(
.INIT(INIT),
.SRMODE(1'b1),
) _TECHMAP_REPLACE_ (
.D(D),
.nCLK(nCLK),
.nSR(nSET),
.nQ(nQ)
);
endmodule
module GP_DLATCHRI(input D, nCLK, nRST, output reg nQ);
parameter [0:0] INIT = 1'bx;
GP_DLATCHSRI #(
.INIT(INIT),
.SRMODE(1'b0),
) _TECHMAP_REPLACE_ (
.D(D),
.nCLK(nCLK),
.nSR(nRST),
.nQ(nQ)
);
endmodule
module GP_OBUFT(input IN, input OE, output OUT);
GP_IOBUF _TECHMAP_REPLACE_ (
.IN(IN),
.OE(OE),
.IO(OUT),
.OUT()
);
endmodule
module \$lut (A, Y);
parameter WIDTH = 0;
parameter LUT = 0;
(* force_downto *)
input [WIDTH-1:0] A;
output Y;
generate
if (WIDTH == 1) begin
if(LUT == 2'b01) begin
GP_INV _TECHMAP_REPLACE_ (.OUT(Y), .IN(A[0]) );
end
else begin
GP_2LUT #(.INIT({2'b00, LUT})) _TECHMAP_REPLACE_ (.OUT(Y),
.IN0(A[0]), .IN1(1'b0));
end
end else
if (WIDTH == 2) begin
GP_2LUT #(.INIT(LUT)) _TECHMAP_REPLACE_ (.OUT(Y),
.IN0(A[0]), .IN1(A[1]));
end else
if (WIDTH == 3) begin
GP_3LUT #(.INIT(LUT)) _TECHMAP_REPLACE_ (.OUT(Y),
.IN0(A[0]), .IN1(A[1]), .IN2(A[2]));
end else
if (WIDTH == 4) begin
GP_4LUT #(.INIT(LUT)) _TECHMAP_REPLACE_ (.OUT(Y),
.IN0(A[0]), .IN1(A[1]), .IN2(A[2]), .IN3(A[3]));
end else begin
wire _TECHMAP_FAIL_ = 1;
end
endgenerate
endmodule
module \$__COUNT_ (CE, CLK, OUT, POUT, RST, UP);
input wire CE;
input wire CLK;
output reg OUT;
(* force_downto *)
output reg[WIDTH-1:0] POUT;
input wire RST;
input wire UP;
parameter COUNT_TO = 1;
parameter RESET_MODE = "RISING";
parameter RESET_TO_MAX = 0;
parameter HAS_POUT = 0;
parameter HAS_CE = 0;
parameter WIDTH = 8;
parameter DIRECTION = "DOWN";
//If we have a DIRECTION other than DOWN fail... GP_COUNTx_ADV is not supported yet
if(DIRECTION != "DOWN") begin
initial begin
$display("ERROR: \$__COUNT_ support for GP_COUNTx_ADV is not yet implemented. This counter should never have been extracted (bug in extract_counter pass?).");
$finish;
end
end
//If counter is more than 14 bits wide, complain (also shouldn't happen)
else if(WIDTH > 14) begin
initial begin
$display("ERROR: \$__COUNT_ support for cascaded counters is not yet implemented. This counter should never have been extracted (bug in extract_counter pass?).");
$finish;
end
end
//If counter is more than 8 bits wide and has parallel output, we have a problem
else if(WIDTH > 8 && HAS_POUT) begin
initial begin
$display("ERROR: \$__COUNT_ support for 9-14 bit counters with parallel output is not yet implemented. This counter should never have been extracted (bug in extract_counter pass?).");
$finish;
end
end
//Looks like a legal counter! Do something with it
else if(WIDTH <= 8) begin
if(HAS_CE) begin
wire ce_not;
GP_INV ceinv(
.IN(CE),
.OUT(ce_not)
);
GP_COUNT8_ADV #(
.COUNT_TO(COUNT_TO),
.RESET_MODE(RESET_MODE),
.RESET_VALUE(RESET_TO_MAX ? "COUNT_TO" : "ZERO"),
.CLKIN_DIVIDE(1)
) _TECHMAP_REPLACE_ (
.CLK(CLK),
.RST(RST),
.OUT(OUT),
.UP(1'b0), //always count down for now
.KEEP(ce_not),
.POUT(POUT)
);
end
else begin
GP_COUNT8 #(
.COUNT_TO(COUNT_TO),
.RESET_MODE(RESET_MODE),
.CLKIN_DIVIDE(1)
) _TECHMAP_REPLACE_ (
.CLK(CLK),
.RST(RST),
.OUT(OUT),
.POUT(POUT)
);
end
end
else begin
if(HAS_CE) begin
wire ce_not;
GP_INV ceinv(
.IN(CE),
.OUT(ce_not)
);
GP_COUNT14_ADV #(
.COUNT_TO(COUNT_TO),
.RESET_MODE(RESET_TO_MAX ? "COUNT_TO" : "ZERO"),
.RESET_VALUE("COUNT_TO"),
.CLKIN_DIVIDE(1)
) _TECHMAP_REPLACE_ (
.CLK(CLK),
.RST(RST),
.OUT(OUT),
.UP(1'b0), //always count down for now
.KEEP(ce_not),
.POUT(POUT)
);
end
else begin
GP_COUNT14 #(
.COUNT_TO(COUNT_TO),
.RESET_MODE(RESET_MODE),
.CLKIN_DIVIDE(1)
) _TECHMAP_REPLACE_ (
.CLK(CLK),
.RST(RST),
.OUT(OUT)
);
end
end
endmodule
|
