diff options
Diffstat (limited to 'techlibs/xilinx/xc6s_ff_map.v')
-rw-r--r-- | techlibs/xilinx/xc6s_ff_map.v | 130 |
1 files changed, 112 insertions, 18 deletions
diff --git a/techlibs/xilinx/xc6s_ff_map.v b/techlibs/xilinx/xc6s_ff_map.v index bf35b09e5..c40f446e0 100644 --- a/techlibs/xilinx/xc6s_ff_map.v +++ b/techlibs/xilinx/xc6s_ff_map.v @@ -27,6 +27,8 @@ `ifndef _NO_FFS +// No reset. + module \$_DFF_N_ (input D, C, output Q); parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; generate if (_TECHMAP_WIREINIT_Q_ === 1'b1) @@ -46,6 +48,8 @@ module \$_DFF_P_ (input D, C, output Q); wire _TECHMAP_REMOVEINIT_Q_ = 1; endmodule +// No reset, enable. + module \$_DFFE_NP_ (input D, C, E, output Q); parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; generate if (_TECHMAP_WIREINIT_Q_ === 1'b1) @@ -65,80 +69,168 @@ module \$_DFFE_PP_ (input D, C, E, output Q); wire _TECHMAP_REMOVEINIT_Q_ = 1; endmodule -module \$_DFF_NN0_ (input D, C, R, output Q); +// Async reset. + +module \$_DFF_NP0_ (input D, C, R, output Q); parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; generate if (_TECHMAP_WIREINIT_Q_ === 1'b1) $error("Spartan 6 doesn't support FFs with asynchronous reset initialized to 1"); else - FDCE_1 #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR(!R)); + FDCE_1 #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR( R)); endgenerate wire _TECHMAP_REMOVEINIT_Q_ = 1; endmodule -module \$_DFF_NP0_ (input D, C, R, output Q); +module \$_DFF_PP0_ (input D, C, R, output Q); parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; generate if (_TECHMAP_WIREINIT_Q_ === 1'b1) $error("Spartan 6 doesn't support FFs with asynchronous reset initialized to 1"); else - FDCE_1 #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR( R)); + FDCE #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR( R)); endgenerate wire _TECHMAP_REMOVEINIT_Q_ = 1; endmodule -module \$_DFF_PN0_ (input D, C, R, output Q); + +module \$_DFF_NP1_ (input D, C, R, output Q); + parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; + generate if (_TECHMAP_WIREINIT_Q_ === 1'b0) + $error("Spartan 6 doesn't support FFs with asynchronous set initialized to 0"); + else + FDPE_1 #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE( R)); + endgenerate + wire _TECHMAP_REMOVEINIT_Q_ = 1; +endmodule +module \$_DFF_PP1_ (input D, C, R, output Q); + parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; + generate if (_TECHMAP_WIREINIT_Q_ === 1'b0) + $error("Spartan 6 doesn't support FFs with asynchronous set initialized to 0"); + else + FDPE #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE( R)); + endgenerate + wire _TECHMAP_REMOVEINIT_Q_ = 1; +endmodule + +// Async reset, enable. + +module \$__DFFE_NP0 (input D, C, E, R, output Q); parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; generate if (_TECHMAP_WIREINIT_Q_ === 1'b1) $error("Spartan 6 doesn't support FFs with asynchronous reset initialized to 1"); else - FDCE #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR(!R)); + FDCE_1 #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(E), .CLR( R)); endgenerate wire _TECHMAP_REMOVEINIT_Q_ = 1; endmodule -module \$_DFF_PP0_ (input D, C, R, output Q); +module \$__DFFE_PP0 (input D, C, E, R, output Q); parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; generate if (_TECHMAP_WIREINIT_Q_ === 1'b1) $error("Spartan 6 doesn't support FFs with asynchronous reset initialized to 1"); else - FDCE #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR( R)); + FDCE #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(E), .CLR( R)); endgenerate wire _TECHMAP_REMOVEINIT_Q_ = 1; endmodule -module \$_DFF_NN1_ (input D, C, R, output Q); +module \$__DFFE_NP1 (input D, C, E, R, output Q); parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; generate if (_TECHMAP_WIREINIT_Q_ === 1'b0) $error("Spartan 6 doesn't support FFs with asynchronous set initialized to 0"); else - FDPE_1 #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE(!R)); + FDPE_1 #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(E), .PRE( R)); endgenerate wire _TECHMAP_REMOVEINIT_Q_ = 1; endmodule -module \$_DFF_NP1_ (input D, C, R, output Q); +module \$__DFFE_PP1 (input D, C, E, R, output Q); parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; generate if (_TECHMAP_WIREINIT_Q_ === 1'b0) $error("Spartan 6 doesn't support FFs with asynchronous set initialized to 0"); else - FDPE_1 #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE( R)); + FDPE #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(E), .PRE( R)); + endgenerate + wire _TECHMAP_REMOVEINIT_Q_ = 1; +endmodule + +// Sync reset. + +module \$__DFFS_NP0_ (input D, C, R, output Q); + parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; + generate if (_TECHMAP_WIREINIT_Q_ === 1'b1) + $error("Spartan 6 doesn't support FFs with reset initialized to 1"); + else + FDRE_1 #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .R( R)); endgenerate wire _TECHMAP_REMOVEINIT_Q_ = 1; endmodule -module \$_DFF_PN1_ (input D, C, R, output Q); +module \$__DFFS_PP0_ (input D, C, R, output Q); + parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; + generate if (_TECHMAP_WIREINIT_Q_ === 1'b1) + $error("Spartan 6 doesn't support FFs with reset initialized to 1"); + else + FDRE #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .R( R)); + endgenerate + wire _TECHMAP_REMOVEINIT_Q_ = 1; +endmodule + +module \$__DFFS_NP1_ (input D, C, R, output Q); parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; generate if (_TECHMAP_WIREINIT_Q_ === 1'b0) - $error("Spartan 6 doesn't support FFs with asynchronous set initialized to 0"); + $error("Spartan 6 doesn't support FFs with set initialized to 0"); else - FDPE #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE(!R)); + FDSE_1 #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .S( R)); endgenerate wire _TECHMAP_REMOVEINIT_Q_ = 1; endmodule -module \$_DFF_PP1_ (input D, C, R, output Q); +module \$__DFFS_PP1_ (input D, C, R, output Q); parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; generate if (_TECHMAP_WIREINIT_Q_ === 1'b0) - $error("Spartan 6 doesn't support FFs with asynchronous set initialized to 0"); + $error("Spartan 6 doesn't support FFs with set initialized to 0"); else - FDPE #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE( R)); + FDSE #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .S( R)); endgenerate wire _TECHMAP_REMOVEINIT_Q_ = 1; endmodule +// Sync reset, enable. + +module \$__DFFSE_NP0 (input D, C, E, R, output Q); + parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; + generate if (_TECHMAP_WIREINIT_Q_ === 1'b1) + $error("Spartan 6 doesn't support FFs with reset initialized to 1"); + else + FDRE_1 #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(E), .R( R)); + endgenerate + wire _TECHMAP_REMOVEINIT_Q_ = 1; +endmodule +module \$__DFFSE_PP0 (input D, C, E, R, output Q); + parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; + generate if (_TECHMAP_WIREINIT_Q_ === 1'b1) + $error("Spartan 6 doesn't support FFs with reset initialized to 1"); + else + FDRE #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(E), .R( R)); + endgenerate + wire _TECHMAP_REMOVEINIT_Q_ = 1; +endmodule + +module \$__DFFSE_NP1 (input D, C, E, R, output Q); + parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; + generate if (_TECHMAP_WIREINIT_Q_ === 1'b0) + $error("Spartan 6 doesn't support FFs with set initialized to 0"); + else + FDSE_1 #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(E), .S( R)); + endgenerate + wire _TECHMAP_REMOVEINIT_Q_ = 1; +endmodule +module \$__DFFSE_PP1 (input D, C, E, R, output Q); + parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; + generate if (_TECHMAP_WIREINIT_Q_ === 1'b0) + $error("Spartan 6 doesn't support FFs with set initialized to 0"); + else + FDSE #(.INIT(_TECHMAP_WIREINIT_Q_)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(E), .S( R)); + endgenerate + wire _TECHMAP_REMOVEINIT_Q_ = 1; +endmodule + +// Latches (no reset). + module \$_DLATCH_N_ (input E, D, output Q); parameter _TECHMAP_WIREINIT_Q_ = 1'bx; generate if (_TECHMAP_WIREINIT_Q_ === 1'b1) @@ -158,5 +250,7 @@ module \$_DLATCH_P_ (input E, D, output Q); wire _TECHMAP_REMOVEINIT_Q_ = 1; endmodule +// Latches with reset (TODO). + `endif |