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	ecp5: replace ecp5_ffinit with techmap rules + dff2dffs -match-init
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					 3 changed files with 213 additions and 57 deletions
				
			
		|  | @ -1,6 +1,5 @@ | |||
| 
 | ||||
| OBJS += techlibs/ecp5/synth_ecp5.o techlibs/ecp5/ecp5_ffinit.o \ | ||||
|         techlibs/ecp5/ecp5_gsr.o | ||||
| OBJS += techlibs/ecp5/synth_ecp5.o techlibs/ecp5/ecp5_gsr.o | ||||
| 
 | ||||
| GENFILES += techlibs/ecp5/bram_init_1_2_4.vh | ||||
| GENFILES += techlibs/ecp5/bram_init_9_18_36.vh | ||||
|  |  | |||
|  | @ -1,65 +1,223 @@ | |||
| module  \$_DFF_N_ (input D, C, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("RESET"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(1'b0), .DI(D), .Q(Q)); endmodule | ||||
| module  \$_DFF_P_ (input D, C, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(1'b0), .DI(D), .Q(Q)); endmodule | ||||
| (* techmap_celltype = "$_DFF_N_ $_DFF_P_" *) | ||||
| module  \$_DFF_x_ (input D, C, output Q); | ||||
|     parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; | ||||
| 	parameter _TECHMAP_CELLTYPE_ = ""; | ||||
|     wire _TECHMAP_REMOVEINIT_Q_ = 1'b1; | ||||
|     generate | ||||
|         if (_TECHMAP_CELLTYPE_[1*8+:8] == "N") | ||||
|             localparam CLKMUX = "INV"; | ||||
|         else | ||||
|             localparam CLKMUX = "CLK"; | ||||
|         if (_TECHMAP_WIREINIT_Q_ === 1'b1) | ||||
|             localparam REGSET = "SET"; | ||||
|         else | ||||
|             localparam REGSET = "RESET"; | ||||
|     endgenerate | ||||
|     TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX(CLKMUX), .LSRMUX("LSR"), .REGSET(REGSET))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(1'b0), .DI(D), .Q(Q)); | ||||
| endmodule | ||||
| 
 | ||||
| module  \$_DFFE_NN_ (input D, C, E, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("INV"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("RESET"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(1'b0), .DI(D), .Q(Q)); endmodule | ||||
| module  \$_DFFE_PN_ (input D, C, E, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("INV"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(1'b0), .DI(D), .Q(Q)); endmodule | ||||
| (* techmap_celltype = "$_DFFE_NN_ $_DFFE_PN_ $_DFFE_NP_ $_DFFE_PP_" *) | ||||
| module  \$_DFFE_xx_ (input D, C, E, output Q); | ||||
|     parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; | ||||
| 	parameter _TECHMAP_CELLTYPE_ = ""; | ||||
|     wire _TECHMAP_REMOVEINIT_Q_ = 1'b1; | ||||
|     generate | ||||
|         if (_TECHMAP_CELLTYPE_[2*8+:8] == "N") | ||||
|             localparam CLKMUX = "INV"; | ||||
|         else | ||||
|             localparam CLKMUX = "CLK"; | ||||
|         if (_TECHMAP_CELLTYPE_[1*8+:8] == "N") | ||||
|             localparam CEMUX = "INV"; | ||||
|         else | ||||
|             localparam CEMUX = "CE"; | ||||
|         if (_TECHMAP_WIREINIT_Q_ === 1'b1) | ||||
|             localparam REGSET = "SET"; | ||||
|         else | ||||
|             localparam REGSET = "RESET"; | ||||
|     endgenerate | ||||
|     TRELLIS_FF #(.GSR("AUTO"), .CEMUX(CEMUX), .CLKMUX(CLKMUX), .LSRMUX("LSR"), .REGSET(REGSET))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(1'b0), .DI(D), .Q(Q)); | ||||
| endmodule | ||||
| 
 | ||||
| module  \$_DFFE_NP_ (input D, C, E, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("RESET"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(1'b0), .DI(D), .Q(Q)); endmodule | ||||
| module  \$_DFFE_PP_ (input D, C, E, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(1'b0), .DI(D), .Q(Q)); endmodule | ||||
| (* techmap_celltype = "$_DFF_NN0_ $_DFF_NN1_ $_DFF_PN0_ $_DFF_PN1_ $_DFF_NP0_ $_DFF_NP1_ $_DFF_PP0_ $_DFF_PP1_" *) | ||||
| module  \$_DFF_xxx_ (input D, C, R, output Q); | ||||
|     parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; | ||||
| 	parameter _TECHMAP_CELLTYPE_ = ""; | ||||
|     wire _TECHMAP_REMOVEINIT_Q_ = 1'b1; | ||||
|     generate | ||||
|         if (_TECHMAP_CELLTYPE_[3*8+:8] == "N") | ||||
|             localparam CLKMUX = "INV"; | ||||
|         else | ||||
|             localparam CLKMUX = "CLK"; | ||||
|         // TODO: Why not use LSRMUX param? | ||||
|         if (_TECHMAP_CELLTYPE_[2*8+:8] == "N") | ||||
|             wire LSR_ = !R; | ||||
|         else | ||||
|             wire LSR_ = R; | ||||
|         if (_TECHMAP_CELLTYPE_[1*8+:8] == "1") begin | ||||
|             localparam REGSET = "SET"; | ||||
|             if (_TECHMAP_WIREINIT_Q_ === 1'b0) | ||||
|                 $error("ECP5 doesn't support FFs with asynchronous set initialized to 0"); | ||||
|         end | ||||
|         else begin | ||||
|             localparam REGSET = "RESET"; | ||||
|             if (_TECHMAP_WIREINIT_Q_ === 1'b1) | ||||
|                 $error("ECP5 doesn't support FFs with asynchronous reset initialized to 1"); | ||||
|         end | ||||
|     endgenerate | ||||
|     TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX(CLKMUX), .LSRMUX("LSR"), .REGSET(REGSET), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(LSR_), .DI(D), .Q(Q)); | ||||
| endmodule | ||||
| 
 | ||||
| module  \$_DFF_NN0_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(!R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$_DFF_NN1_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(!R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$_DFF_PN0_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(!R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$_DFF_PN1_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(!R), .DI(D), .Q(Q)); endmodule | ||||
| (* techmap_celltype = "$__DFFS_NN0_ $__DFFS_NN1_ $__DFFS_PN0_ $__DFFS_PN1_ $__DFFS_NP0_ $__DFFS_NP1_ $__DFFS_PP0_ $__DFFS_PP1_" *) | ||||
| module  \$__DFFS_xxx_ (input D, C, R, output Q); | ||||
|     parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; | ||||
| 	parameter _TECHMAP_CELLTYPE_ = ""; | ||||
|     wire _TECHMAP_REMOVEINIT_Q_ = 1'b1; | ||||
|     generate | ||||
|         if (_TECHMAP_CELLTYPE_[3*8+:8] == "N") | ||||
|             localparam CLKMUX = "INV"; | ||||
|         else | ||||
|             localparam CLKMUX = "CLK"; | ||||
|         // TODO: Why not use LSRMUX param? | ||||
|         if (_TECHMAP_CELLTYPE_[2*8+:8] == "N") | ||||
|             wire LSR_ = !R; | ||||
|         else | ||||
|             wire LSR_ = R; | ||||
|         if (_TECHMAP_CELLTYPE_[1*8+:8] == "1") begin | ||||
|             localparam REGSET = "SET"; | ||||
|             if (_TECHMAP_WIREINIT_Q_ === 1'b0) | ||||
|                 // init is 0, reset to 1 | ||||
|                 wire D_ = D || LSR_; | ||||
|             else | ||||
|                 wire D_ = D; | ||||
|         end | ||||
|         else begin | ||||
|             localparam REGSET = "RESET"; | ||||
|             if (_TECHMAP_WIREINIT_Q_ === 1'b1) | ||||
|                 // init is 1, reset to 0 | ||||
|                 wire D_ = !(D && LSR_); | ||||
|             else | ||||
|                 wire D_ = D; | ||||
|         end | ||||
|     endgenerate | ||||
|     TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX(CLKMUX), .LSRMUX("LSR"), .REGSET(REGSET), .SRMODE("LSR_OVER_CE"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(LSR_), .DI(D_), .Q(Q)); | ||||
| endmodule | ||||
| 
 | ||||
| module  \$_DFF_NP0_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$_DFF_NP1_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$_DFF_PP0_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$_DFF_PP1_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule | ||||
| (* techmap_celltype = "$__DFFE_NN0 $__DFFE_NN1 $__DFFE_PN0 $__DFFE_PN1 $__DFFE_NP0 $__DFFE_NP1 $__DFFE_PP0 $__DFFE_PP1" *) | ||||
| module  \$__DFFE_xxx_ (input D, C, E, R, output Q); | ||||
|     parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; | ||||
| 	parameter _TECHMAP_CELLTYPE_ = ""; | ||||
|     wire _TECHMAP_REMOVEINIT_Q_ = 1'b1; | ||||
|     generate | ||||
|         if (_TECHMAP_CELLTYPE_[3*8+:8] == "N") | ||||
|             localparam CLKMUX = "INV"; | ||||
|         else | ||||
|             localparam CLKMUX = "CLK"; | ||||
|         // TODO: Why not use LSRMUX param? | ||||
|         if (_TECHMAP_CELLTYPE_[2*8+:8] == "N") | ||||
|             wire LSR_ = !R; | ||||
|         else | ||||
|             wire LSR_ = R; | ||||
|         if (_TECHMAP_CELLTYPE_[1*8+:8] == "1") begin | ||||
|             if (_TECHMAP_WIREINIT_Q_ === 1'b0) | ||||
|                 $error("ECP5 doesn't support FFs with asynchronous set initialized to 0"); | ||||
|             else | ||||
|                 localparam REGSET = "SET"; | ||||
|         end | ||||
|         else begin | ||||
|             if (_TECHMAP_WIREINIT_Q_ === 1'b1) | ||||
|                 $error("ECP5 doesn't support FFs with asynchronous reset initialized to 1"); | ||||
|             else | ||||
|                 localparam REGSET = "RESET"; | ||||
|         end | ||||
|     endgenerate | ||||
|     TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX(CLKMUX), .LSRMUX("LSR"), .REGSET(REGSET), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(LSR_), .DI(D), .Q(Q)); | ||||
| endmodule | ||||
| 
 | ||||
| module  \$__DFFS_NN0_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(!R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$__DFFS_NN1_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(!R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$__DFFS_PN0_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(!R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$__DFFS_PN1_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(!R), .DI(D), .Q(Q)); endmodule | ||||
| 
 | ||||
| module  \$__DFFS_NP0_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$__DFFS_NP1_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$__DFFS_PP0_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$__DFFS_PP1_ (input D, C, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(R), .DI(D), .Q(Q)); endmodule | ||||
| 
 | ||||
| module  \$__DFFE_NN0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(!R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$__DFFE_NN1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(!R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$__DFFE_PN0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(!R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$__DFFE_PN1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(!R), .DI(D), .Q(Q)); endmodule | ||||
| 
 | ||||
| module  \$__DFFE_NP0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$__DFFE_NP1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$__DFFE_PP0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$__DFFE_PP1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule | ||||
| 
 | ||||
| module  \$__DFFSE_NN0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(!R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$__DFFSE_NN1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(!R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$__DFFSE_PN0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(!R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$__DFFSE_PN1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(!R), .DI(D), .Q(Q)); endmodule | ||||
| 
 | ||||
| module  \$__DFFSE_NP0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$__DFFSE_NP1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX("INV"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$__DFFSE_PP0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule | ||||
| module  \$__DFFSE_PP1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule | ||||
| (* techmap_celltype = "$__DFFSE_NN0 $__DFFSE_NN1 $__DFFSE_PN0 $__DFFSE_PN1 $__DFFSE_NP0 $__DFFSE_NP1 $__DFFSE_PP0 $__DFFSE_PP1" *) | ||||
| module  \$__DFFSE_xxx_ (input D, C, E, R, output Q); | ||||
|     parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; | ||||
| 	parameter _TECHMAP_CELLTYPE_ = ""; | ||||
|     wire _TECHMAP_REMOVEINIT_Q_ = 1'b1; | ||||
|     generate | ||||
|         if (_TECHMAP_CELLTYPE_[3*8+:8] == "N") | ||||
|             localparam CLKMUX = "INV"; | ||||
|         else | ||||
|             localparam CLKMUX = "CLK"; | ||||
|         // TODO: Why not use LSRMUX param? | ||||
|         if (_TECHMAP_CELLTYPE_[2*8+:8] == "N") | ||||
|             wire LSR_ = !R; | ||||
|         else | ||||
|             wire LSR_ = R; | ||||
|         if (_TECHMAP_CELLTYPE_[1*8+:8] == "1") begin | ||||
|             localparam REGSET = "SET"; | ||||
|             if (_TECHMAP_WIREINIT_Q_ === 1'b0) begin | ||||
|                 // init is 0, reset to 1 | ||||
|                 wire D_ = D || LSR_; | ||||
|                 wire E_ = E || LSR_; | ||||
|             end | ||||
|             else begin | ||||
|                 wire D_ = D; | ||||
|                 wire E_ = E; | ||||
|             end | ||||
|         end | ||||
|         else begin | ||||
|             localparam REGSET = "RESET"; | ||||
|             if (_TECHMAP_WIREINIT_Q_ === 1'b1) begin | ||||
|                 // init is 1, reset to 0 | ||||
|                 wire D_ = !(D && LSR_); | ||||
|                 wire E_ = !(E && LSR_); | ||||
|             end | ||||
|             else begin | ||||
|                 wire D_ = D; | ||||
|                 wire E_ = E; | ||||
|             end | ||||
|         end | ||||
|     endgenerate | ||||
|     TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX(CLKMUX), .LSRMUX("LSR"), .REGSET(REGSET), .SRMODE("LSR_OVER_CE"))  _TECHMAP_REPLACE_ (.CLK(C), .CE(E_), .LSR(LSR_), .DI(D_), .Q(Q)); | ||||
| endmodule | ||||
| 
 | ||||
| `ifdef ASYNC_PRLD | ||||
| module  \$_DLATCH_N_ (input E, input D, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .LSRMODE("PRLD"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.LSR(!E), .DI(1'b0), .M(D), .Q(Q)); endmodule | ||||
| module  \$_DLATCH_P_ (input E, input D, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .LSRMODE("PRLD"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.LSR(E), .DI(1'b0), .M(D), .Q(Q)); endmodule | ||||
| (* techmap_celltype = "$_DLATCH_N_ $_DLATCH_P_" *) | ||||
| module  \$_DLATCH_x_ (input E, input D, output Q); | ||||
|     parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; | ||||
| 	parameter _TECHMAP_CELLTYPE_ = ""; | ||||
|     wire _TECHMAP_REMOVEINIT_Q_ = 1'b1; | ||||
|     generate | ||||
|         // TODO: Why not use LSRMUX param? | ||||
|         if (_TECHMAP_CELLTYPE_[1*8+:8] == "N") | ||||
|             wire LSR_ = !E; | ||||
|         else | ||||
|             wire LSR_ = E; | ||||
|         if (_TECHMAP_WIREINIT_Q_ !== 1'bx) | ||||
|             $error("ECP5 doesn't support latches with initial values"); // TODO: Check | ||||
|     endgenerate | ||||
|     TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .LSRMODE("PRLD"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.LSR(LSR_), .DI(1'b0), .M(D), .Q(Q)); | ||||
| endmodule | ||||
| 
 | ||||
| module \$_DFFSR_NNN_ (input C, S, R, D, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("INV"), .LSRMODE("PRLD"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(!S || !R), .DI(D), .M(R), .Q(Q)); endmodule | ||||
| module \$_DFFSR_NNP_ (input C, S, R, D, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("INV"), .LSRMODE("PRLD"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(!S || R), .DI(D), .M(!R), .Q(Q)); endmodule | ||||
| module \$_DFFSR_NPN_ (input C, S, R, D, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("INV"), .LSRMODE("PRLD"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(S || !R), .DI(D), .M(R), .Q(Q)); endmodule | ||||
| module \$_DFFSR_NPP_ (input C, S, R, D, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("INV"), .LSRMODE("PRLD"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(S || R), .DI(D), .M(!R), .Q(Q)); endmodule | ||||
| (* techmap_celltype = "$_DFFSR_NNN_ $_DFFSR_NNP_ $_DFFSR_PNN_ $_DFFSR_PNP_ $_DFFSR_NPN_ $_DFFSR_NPP_ $_DFFSR_PPN_ $_DFFSR_PPP_" *) | ||||
| module \$_DFFSR_xxx_ (input C, S, R, D, output Q); | ||||
|     parameter [0:0] _TECHMAP_WIREINIT_Q_ = 1'bx; | ||||
| 	parameter _TECHMAP_CELLTYPE_ = ""; | ||||
|     wire _TECHMAP_REMOVEINIT_Q_ = 1'b1; | ||||
|     generate | ||||
|         if (_TECHMAP_CELLTYPE_[3*8+:8] == "N") | ||||
|             localparam CLKMUX = "INV"; | ||||
|         else | ||||
|             localparam CLKMUX = "CLK"; | ||||
|         if (_TECHMAP_CELLTYPE_[2*8+:8] == "N") | ||||
|             wire S_ = !S; | ||||
|         else | ||||
|             wire S_ = S; | ||||
|         if (_TECHMAP_CELLTYPE_[1*8+:8] == "N") | ||||
|             wire R_ = !R; | ||||
|         else | ||||
|             wire R_ = R; | ||||
|         if (_TECHMAP_WIREINIT_Q_ !== 1'bx) | ||||
|             $error("ECP5 doesn't support FFs with asynchronous set and reset with initial values"); | ||||
|     endgenerate | ||||
| 
 | ||||
| module \$_DFFSR_PNN_ (input C, S, R, D, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMODE("PRLD"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(!S || !R), .DI(D), .M(R), .Q(Q)); endmodule | ||||
| module \$_DFFSR_PNP_ (input C, S, R, D, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMODE("PRLD"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(!S || R), .DI(D), .M(!R), .Q(Q)); endmodule | ||||
| module \$_DFFSR_PPN_ (input C, S, R, D, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMODE("PRLD"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(S || !R), .DI(D), .M(R), .Q(Q)); endmodule | ||||
| module \$_DFFSR_PPP_ (input C, S, R, D, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMODE("PRLD"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(S || R), .DI(D), .M(!R), .Q(Q)); endmodule | ||||
|     TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX(CLKINV), .LSRMODE("PRLD"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC"))  _TECHMAP_REPLACE_ (.CLK(C), .LSR(S_ || R_), .DI(D), .M(!R_), .Q(Q)); | ||||
| endmodule | ||||
| `endif | ||||
| 
 | ||||
| `include "cells_ff.vh" | ||||
|  |  | |||
|  | @ -303,14 +303,13 @@ struct SynthEcp5Pass : public ScriptPass | |||
| 
 | ||||
| 		if (check_label("map_ffs")) | ||||
| 		{ | ||||
| 			run("dff2dffs"); | ||||
| 			run("dff2dffs -match-init"); | ||||
| 			run("opt_clean"); | ||||
| 			if (!nodffe) | ||||
| 				run("dff2dffe -direct-match $_DFF_* -direct-match $__DFFS_*"); | ||||
| 			run(stringf("techmap -D NO_LUT %s -map +/ecp5/cells_map.v", help_mode ? "[-D ASYNC_PRLD]" : (asyncprld ? "-D ASYNC_PRLD" : ""))); | ||||
| 			run("opt_expr -undriven -mux_undef"); | ||||
| 			run("simplemap"); | ||||
| 			run("ecp5_ffinit"); | ||||
| 			run("ecp5_gsr"); | ||||
| 			run("attrmvcp -copy -attr syn_useioff"); | ||||
| 			run("opt_clean"); | ||||
|  |  | |||
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