Update abc_* attr in ecp5 and ice40

This commit is contained in:
Eddie Hung 2019-08-16 15:56:57 -07:00
parent 4fe307f1bc
commit 1c57b1e7ea
2 changed files with 21 additions and 11 deletions

View File

@ -15,10 +15,13 @@ module L6MUX21 (input D0, D1, SD, output Z);
endmodule
// ---------------------------------------
(* abc_box_id=1, abc_carry="CIN,COUT", lib_whitebox *)
module CCU2C(input CIN, A0, B0, C0, D0, A1, B1, C1, D1,
output S0, S1, COUT);
(* abc_box_id=1, lib_whitebox *)
module CCU2C(
(* abc_carry_in *) input CIN,
input A0, B0, C0, D0, A1, B1, C1, D1,
output S0, S1,
(* abc_carry_out *) output COUT
);
parameter [15:0] INIT0 = 16'h0000;
parameter [15:0] INIT1 = 16'h0000;
parameter INJECT1_0 = "YES";
@ -104,12 +107,13 @@ module PFUMX (input ALUT, BLUT, C0, output Z);
endmodule
// ---------------------------------------
//(* abc_box_id=2, abc_scc_break="DI,WAD,WRE" *)
//(* abc_box_id=2 *)
module TRELLIS_DPR16X4 (
input [3:0] DI,
input [3:0] WAD,
input WRE, WCK,
input [3:0] RAD,
(* abc_scc_break *) input [3:0] DI,
(* abc_scc_break *) input [3:0] WAD,
(* abc_scc_break *) input WRE,
input WCK,
input [3:0] RAD,
output [3:0] DO
);
parameter WCKMUX = "WCK";

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@ -141,8 +141,14 @@ module SB_CARRY (output CO, input I0, I1, CI);
assign CO = (I0 && I1) || ((I0 || I1) && CI);
endmodule
(* abc_box_id = 1, abc_carry="CI,CO", lib_whitebox *)
module \$__ICE40_FULL_ADDER (output CO, O, input A, B, CI);
(* abc_box_id = 1, lib_whitebox *)
module \$__ICE40_FULL_ADDER (
(* abc_carry_out *) output CO,
output O,
input A,
input B,
(* abc_carry_in *) input CI
);
SB_CARRY carry (
.I0(A),
.I1(B),