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| author | Marcin Kościelnicki <koriakin@0x04.net> | 2019-08-16 03:14:30 +0000 |
|---|---|---|
| committer | Marcin Kościelnicki <koriakin@0x04.net> | 2019-09-07 16:30:43 +0200 |
| commit | fda94311ee6e3ec8de0e85e91251a2744673abaf (patch) | |
| tree | 981082986989dbdadc0a2ecbc6511bc7351d9a45 /techlibs/xilinx/ff_map.v | |
| parent | a82e8df7d37c02258d36223bb16833331dc8808e (diff) | |
| download | yosys-fda94311ee6e3ec8de0e85e91251a2744673abaf.tar.gz yosys-fda94311ee6e3ec8de0e85e91251a2744673abaf.tar.bz2 yosys-fda94311ee6e3ec8de0e85e91251a2744673abaf.zip | |
synth_xilinx: Support init values on Spartan 6 flip-flops properly.
Diffstat (limited to 'techlibs/xilinx/ff_map.v')
| -rw-r--r-- | techlibs/xilinx/ff_map.v | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/techlibs/xilinx/ff_map.v b/techlibs/xilinx/ff_map.v deleted file mode 100644 index 4571f6d5c..000000000 --- a/techlibs/xilinx/ff_map.v +++ /dev/null @@ -1,42 +0,0 @@ -/* - * yosys -- Yosys Open SYnthesis Suite - * - * Copyright (C) 2012 Clifford Wolf <clifford@clifford.at> - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - */ - -// ============================================================================ -// FF mapping - -`ifndef _NO_FFS - -module \$_DFF_N_ (input D, C, output Q); FDRE_1 #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .R(1'b0)); endmodule -module \$_DFF_P_ (input D, C, output Q); FDRE #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .R(1'b0)); endmodule - -module \$_DFFE_NP_ (input D, C, E, output Q); FDRE_1 #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(E), .R(1'b0)); endmodule -module \$_DFFE_PP_ (input D, C, E, output Q); FDRE #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(E), .R(1'b0)); endmodule - -module \$_DFF_NN0_ (input D, C, R, output Q); FDCE_1 #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR(!R)); endmodule -module \$_DFF_NP0_ (input D, C, R, output Q); FDCE_1 #(.INIT(|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)) _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)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR( R)); endmodule - -module \$_DFF_NN1_ (input D, C, R, output Q); FDPE_1 #(.INIT(|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_1 #(.INIT(|1)) _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(|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(|1)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE( R)); endmodule - -`endif - |