From: Eddie Hung <eddie@fpgeh.com>
Date: Sat, 1 Jun 2019 01:11:46 +0000 (-0700)
Subject: Add flops as blackboxes
X-Git-Tag: working-ls180~1208^2~221
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2228cef62f8550f85b203752681e2abeef1197ea;p=yosys.git

Add flops as blackboxes
---

diff --git a/techlibs/xilinx/abc.box b/techlibs/xilinx/abc.box
index 6e9e1faf6..a4182ed63 100644
--- a/techlibs/xilinx/abc.box
+++ b/techlibs/xilinx/abc.box
@@ -40,3 +40,23 @@ RAM64X1D 4 0 15 2
 RAM128X1D 5 0 17 2
 -   -   -   -   -   -   -   - 314 314 314 314 314 314 292 - -
 347 347 347 347 347 347 296 - -   -   -   -   -   -   -   - -
+
+# Inputs: C CE D R
+# Outputs: Q
+FDRE 6 0 4 1
+- - - -
+
+# Inputs: C CE D S
+# Outputs: Q
+FDSE 7 0 4 1
+- - - -
+
+# Inputs: C CE CLR D
+# Outputs: Q
+FDCE 8 0 4 1
+- - 404 -
+
+# Inputs: C CE D PRE
+# Outputs: Q
+FDPE 9 0 4 1
+- - - 404
diff --git a/techlibs/xilinx/ff_map.v b/techlibs/xilinx/ff_map.v
index 13beaa6ae..7c837814a 100644
--- a/techlibs/xilinx/ff_map.v
+++ b/techlibs/xilinx/ff_map.v
@@ -38,5 +38,12 @@ module  \$_DFF_NP1_ (input D, C, R, output Q); FDPE_1 #(.INIT(|0)) _TECHMAP_REPL
 module  \$_DFF_PN1_ (input D, C, R, output Q); FDPE   #(.INIT(|0)) _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)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE( R)); endmodule
 
+`ifndef DEPRECATED
+module FDRE_1 (output reg Q, input C, CE, D, R);   parameter [0:0] INIT = 1'b0; FDRE #(.INIT(INIT), .IS_CLK_INVERTED(1'b1)) _TECHMAP_REPLACE_ (.C(C), .CE(CE), .D(D), .R(R), .Q(Q)); endmodule
+module FDSE_1 (output reg Q, input C, CE, D, S);   parameter [0:0] INIT = 1'b0; FDSE #(.INIT(INIT), .IS_CLK_INVERTED(1'b1)) _TECHMAP_REPLACE_ (.C(C), .CE(CE), .D(D), .S(S), .Q(Q)); endmodule
+module FDCE_1 (output reg Q, input C, CE, D, CLR); parameter [0:0] INIT = 1'b0; FDCE #(.INIT(INIT), .IS_CLK_INVERTED(1'b1)) _TECHMAP_REPLACE_ (.C(C), .CE(CE), .D(D), .CLR(CLR), .Q(Q)); endmodule
+module FDPE_1 (output reg Q, input C, CE, D, PRE); parameter [0:0] INIT = 1'b0; FDPE #(.INIT(INIT), .IS_CLK_INVERTED(1'b1)) _TECHMAP_REPLACE_ (.C(C), .CE(CE), .D(D), .PRE(PRE), .Q(Q)); endmodule
+`endif
+
 `endif