diff options
Diffstat (limited to 'techlibs')
31 files changed, 1508 insertions, 533 deletions
diff --git a/techlibs/anlogic/anlogic_determine_init.cc b/techlibs/anlogic/anlogic_determine_init.cc index 34b1d4f8..c4089dac 100644 --- a/techlibs/anlogic/anlogic_determine_init.cc +++ b/techlibs/anlogic/anlogic_determine_init.cc @@ -50,7 +50,7 @@ struct AnlogicDetermineInitPass : public Pass { extra_args(args, args.size(), design); - size_t cnt = 0; + int cnt = 0; for (auto module : design->selected_modules()) { for (auto cell : module->selected_cells()) @@ -65,7 +65,7 @@ struct AnlogicDetermineInitPass : public Pass { } } } - log_header(design, "Updated %lu cells with determined init value.\n", cnt); + log_header(design, "Updated %d cells with determined init value.\n", cnt); } } AnlogicDetermineInitPass; diff --git a/techlibs/anlogic/anlogic_eqn.cc b/techlibs/anlogic/anlogic_eqn.cc index 741bf04c..070d39a2 100644 --- a/techlibs/anlogic/anlogic_eqn.cc +++ b/techlibs/anlogic/anlogic_eqn.cc @@ -69,7 +69,7 @@ struct AnlogicEqnPass : public Pass { extra_args(args, args.size(), design); - size_t cnt = 0; + int cnt = 0; for (auto module : design->selected_modules()) { for (auto cell : module->selected_cells()) @@ -106,7 +106,7 @@ struct AnlogicEqnPass : public Pass { } } } - log_header(design, "Updated %lu of AL_MAP_LUT* elements with equation.\n", cnt); + log_header(design, "Updated %d of AL_MAP_LUT* elements with equation.\n", cnt); } } AnlogicEqnPass; diff --git a/techlibs/common/prep.cc b/techlibs/common/prep.cc index 86fb4d6c..cdd21c3b 100644 --- a/techlibs/common/prep.cc +++ b/techlibs/common/prep.cc @@ -195,9 +195,11 @@ struct PrepPass : public ScriptPass run(nokeepdc ? "opt" : "opt -keepdc"); if (!ifxmode) { if (help_mode) - run("wreduce [-memx]"); - else + run("wreduce -keepdc [-memx]"); + else if (nokeepdc) run(memxmode ? "wreduce -memx" : "wreduce"); + else + run(memxmode ? "wreduce -keepdc -memx" : "wreduce -keepdc"); } if (!nomemmode) { run(string("memory_dff") + (help_mode ? " [-nordff]" : nordff ? " -nordff" : "")); diff --git a/techlibs/common/simlib.v b/techlibs/common/simlib.v index 8e43fe05..a424d308 100644 --- a/techlibs/common/simlib.v +++ b/techlibs/common/simlib.v @@ -1271,6 +1271,181 @@ endmodule // -------------------------------------------------------- +module \$specify2 (EN, SRC, DST); + +parameter FULL = 0; +parameter SRC_WIDTH = 1; +parameter DST_WIDTH = 1; + +parameter SRC_DST_PEN = 0; +parameter SRC_DST_POL = 0; + +parameter T_RISE_MIN = 0; +parameter T_RISE_TYP = 0; +parameter T_RISE_MAX = 0; + +parameter T_FALL_MIN = 0; +parameter T_FALL_TYP = 0; +parameter T_FALL_MAX = 0; + +input EN; +input [SRC_WIDTH-1:0] SRC; +input [DST_WIDTH-1:0] DST; + +localparam SD = SRC_DST_PEN ? (SRC_DST_POL ? 1 : 2) : 0; + +`ifdef SIMLIB_SPECIFY +specify + if (EN && SD==0 && !FULL) (SRC => DST) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && SD==0 && FULL) (SRC *> DST) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && SD==1 && !FULL) (SRC +=> DST) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && SD==1 && FULL) (SRC +*> DST) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && SD==2 && !FULL) (SRC -=> DST) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && SD==2 && FULL) (SRC -*> DST) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); +endspecify +`endif + +endmodule + +// -------------------------------------------------------- + +module \$specify3 (EN, SRC, DST, DAT); + +parameter FULL = 0; +parameter SRC_WIDTH = 1; +parameter DST_WIDTH = 1; + +parameter EDGE_EN = 0; +parameter EDGE_POL = 0; + +parameter SRC_DST_PEN = 0; +parameter SRC_DST_POL = 0; + +parameter DAT_DST_PEN = 0; +parameter DAT_DST_POL = 0; + +parameter T_RISE_MIN = 0; +parameter T_RISE_TYP = 0; +parameter T_RISE_MAX = 0; + +parameter T_FALL_MIN = 0; +parameter T_FALL_TYP = 0; +parameter T_FALL_MAX = 0; + +input EN; +input [SRC_WIDTH-1:0] SRC; +input [DST_WIDTH-1:0] DST, DAT; + +localparam ED = EDGE_EN ? (EDGE_POL ? 1 : 2) : 0; +localparam SD = SRC_DST_PEN ? (SRC_DST_POL ? 1 : 2) : 0; +localparam DD = DAT_DST_PEN ? (DAT_DST_POL ? 1 : 2) : 0; + +`ifdef SIMLIB_SPECIFY +specify + // DD=0 + + if (EN && DD==0 && SD==0 && ED==0 && !FULL) ( SRC => (DST : DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==0 && SD==0 && ED==0 && FULL) ( SRC *> (DST : DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==0 && SD==0 && ED==1 && !FULL) (posedge SRC => (DST : DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==0 && SD==0 && ED==1 && FULL) (posedge SRC *> (DST : DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==0 && SD==0 && ED==2 && !FULL) (negedge SRC => (DST : DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==0 && SD==0 && ED==2 && FULL) (negedge SRC *> (DST : DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + + if (EN && DD==0 && SD==1 && ED==0 && !FULL) ( SRC +=> (DST : DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==0 && SD==1 && ED==0 && FULL) ( SRC +*> (DST : DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==0 && SD==1 && ED==1 && !FULL) (posedge SRC +=> (DST : DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==0 && SD==1 && ED==1 && FULL) (posedge SRC +*> (DST : DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==0 && SD==1 && ED==2 && !FULL) (negedge SRC +=> (DST : DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==0 && SD==1 && ED==2 && FULL) (negedge SRC +*> (DST : DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + + if (EN && DD==0 && SD==2 && ED==0 && !FULL) ( SRC -=> (DST : DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==0 && SD==2 && ED==0 && FULL) ( SRC -*> (DST : DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==0 && SD==2 && ED==1 && !FULL) (posedge SRC -=> (DST : DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==0 && SD==2 && ED==1 && FULL) (posedge SRC -*> (DST : DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==0 && SD==2 && ED==2 && !FULL) (negedge SRC -=> (DST : DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==0 && SD==2 && ED==2 && FULL) (negedge SRC -*> (DST : DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + + // DD=1 + + if (EN && DD==1 && SD==0 && ED==0 && !FULL) ( SRC => (DST +: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==1 && SD==0 && ED==0 && FULL) ( SRC *> (DST +: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==1 && SD==0 && ED==1 && !FULL) (posedge SRC => (DST +: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==1 && SD==0 && ED==1 && FULL) (posedge SRC *> (DST +: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==1 && SD==0 && ED==2 && !FULL) (negedge SRC => (DST +: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==1 && SD==0 && ED==2 && FULL) (negedge SRC *> (DST +: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + + if (EN && DD==1 && SD==1 && ED==0 && !FULL) ( SRC +=> (DST +: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==1 && SD==1 && ED==0 && FULL) ( SRC +*> (DST +: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==1 && SD==1 && ED==1 && !FULL) (posedge SRC +=> (DST +: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==1 && SD==1 && ED==1 && FULL) (posedge SRC +*> (DST +: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==1 && SD==1 && ED==2 && !FULL) (negedge SRC +=> (DST +: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==1 && SD==1 && ED==2 && FULL) (negedge SRC +*> (DST +: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + + if (EN && DD==1 && SD==2 && ED==0 && !FULL) ( SRC -=> (DST +: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==1 && SD==2 && ED==0 && FULL) ( SRC -*> (DST +: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==1 && SD==2 && ED==1 && !FULL) (posedge SRC -=> (DST +: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==1 && SD==2 && ED==1 && FULL) (posedge SRC -*> (DST +: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==1 && SD==2 && ED==2 && !FULL) (negedge SRC -=> (DST +: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==1 && SD==2 && ED==2 && FULL) (negedge SRC -*> (DST +: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + + // DD=2 + + if (EN && DD==2 && SD==0 && ED==0 && !FULL) ( SRC => (DST -: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==2 && SD==0 && ED==0 && FULL) ( SRC *> (DST -: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==2 && SD==0 && ED==1 && !FULL) (posedge SRC => (DST -: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==2 && SD==0 && ED==1 && FULL) (posedge SRC *> (DST -: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==2 && SD==0 && ED==2 && !FULL) (negedge SRC => (DST -: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==2 && SD==0 && ED==2 && FULL) (negedge SRC *> (DST -: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + + if (EN && DD==2 && SD==1 && ED==0 && !FULL) ( SRC +=> (DST -: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==2 && SD==1 && ED==0 && FULL) ( SRC +*> (DST -: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==2 && SD==1 && ED==1 && !FULL) (posedge SRC +=> (DST -: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==2 && SD==1 && ED==1 && FULL) (posedge SRC +*> (DST -: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==2 && SD==1 && ED==2 && !FULL) (negedge SRC +=> (DST -: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==2 && SD==1 && ED==2 && FULL) (negedge SRC +*> (DST -: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + + if (EN && DD==2 && SD==2 && ED==0 && !FULL) ( SRC -=> (DST -: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==2 && SD==2 && ED==0 && FULL) ( SRC -*> (DST -: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==2 && SD==2 && ED==1 && !FULL) (posedge SRC -=> (DST -: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==2 && SD==2 && ED==1 && FULL) (posedge SRC -*> (DST -: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==2 && SD==2 && ED==2 && !FULL) (negedge SRC -=> (DST -: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); + if (EN && DD==2 && SD==2 && ED==2 && FULL) (negedge SRC -*> (DST -: DAT)) = (T_RISE_MIN:T_RISE_TYP:T_RISE_MAX, T_FALL_MIN:T_FALL_TYP:T_FALL_MAX); +endspecify +`endif + +endmodule + +// -------------------------------------------------------- + +module \$specrule (EN_SRC, EN_DST, SRC, DST); + +parameter TYPE = ""; +parameter T_LIMIT = 0; +parameter T_LIMIT2 = 0; + +parameter SRC_WIDTH = 1; +parameter DST_WIDTH = 1; + +parameter SRC_PEN = 0; +parameter SRC_POL = 0; + +parameter DST_PEN = 0; +parameter DST_POL = 0; + +input EN_SRC, EN_DST; +input [SRC_WIDTH-1:0] SRC; +input [DST_WIDTH-1:0] DST; + +`ifdef SIMLIB_SPECIFY +specify + // TBD +endspecify +`endif + +endmodule + +// -------------------------------------------------------- + module \$assert (A, EN); input A, EN; @@ -1863,4 +2038,5 @@ end endmodule `endif + // -------------------------------------------------------- diff --git a/techlibs/common/synth.cc b/techlibs/common/synth.cc index ccfa76e0..e41c0fe9 100644 --- a/techlibs/common/synth.cc +++ b/techlibs/common/synth.cc @@ -201,6 +201,8 @@ struct SynthPass : public ScriptPass run("check"); run("opt"); run("wreduce"); + run("peepopt"); + run("opt_clean"); if (help_mode) run("techmap -map +/cmp2lut.v", " (if -lut)"); else diff --git a/techlibs/ecp5/arith_map.v b/techlibs/ecp5/arith_map.v index eb794760..17bde049 100644 --- a/techlibs/ecp5/arith_map.v +++ b/techlibs/ecp5/arith_map.v @@ -50,20 +50,21 @@ module _80_ecp5_alu (A, B, CI, BI, X, Y, CO); wire [Y_WIDTH2-1:0] AA = A_buf; wire [Y_WIDTH2-1:0] BB = BI ? ~B_buf : B_buf; + wire [Y_WIDTH2-1:0] BX = B_buf; wire [Y_WIDTH2-1:0] C = {CO, CI}; wire [Y_WIDTH2-1:0] FCO, Y1; genvar i; generate for (i = 0; i < Y_WIDTH2; i = i + 2) begin:slice CCU2C #( - .INIT0(16'b0110011010101010), - .INIT1(16'b0110011010101010), + .INIT0(16'b1001011010101010), + .INIT1(16'b1001011010101010), .INJECT1_0("NO"), .INJECT1_1("NO") ) ccu2c_i ( .CIN(C[i]), - .A0(AA[i]), .B0(BB[i]), .C0(1'b0), .D0(1'b1), - .A1(AA[i+1]), .B1(BB[i+1]), .C1(1'b0), .D1(1'b1), + .A0(AA[i]), .B0(BX[i]), .C0(BI), .D0(1'b1), + .A1(AA[i+1]), .B1(BX[i+1]), .C1(BI), .D1(1'b1), .S0(Y[i]), .S1(Y1[i]), .COUT(FCO[i]) ); diff --git a/techlibs/ecp5/cells_map.v b/techlibs/ecp5/cells_map.v index 6ab4b69f..a90d5e03 100644 --- a/techlibs/ecp5/cells_map.v +++ b/techlibs/ecp5/cells_map.v @@ -47,8 +47,59 @@ module \$__DFFSE_NP1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED" module \$__DFFSE_PP0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("DISABLED"), .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("DISABLED"), .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 -// For Diamond compatibility, FIXME: add all Diamond flipflop mappings +// TODO: Diamond flip-flops +// module FD1P3AX(); endmodule +// module FD1P3AY(); endmodule +// module FD1P3BX(); endmodule +// module FD1P3DX(); endmodule +// module FD1P3IX(); endmodule +// module FD1P3JX(); endmodule +// module FD1S3AX(); endmodule +// module FD1S3AY(); endmodule module FD1S3BX(input PD, D, CK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(CK), .LSR(PD), .DI(D), .Q(Q)); endmodule +module FD1S3DX(input CD, D, CK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(CK), .LSR(CD), .DI(D), .Q(Q)); endmodule +module FD1S3IX(input CD, D, CK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(CK), .LSR(CD), .DI(D), .Q(Q)); endmodule +module FD1S3JX(input PD, D, CK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(CK), .LSR(PD), .DI(D), .Q(Q)); endmodule +// module FL1P3AY(); endmodule +// module FL1P3AZ(); endmodule +// module FL1P3BX(); endmodule +// module FL1P3DX(); endmodule +// module FL1P3IY(); endmodule +// module FL1P3JY(); endmodule +// module FL1S3AX(); endmodule +// module FL1S3AY(); endmodule + +// Diamond I/O buffers +module IB (input I, output O); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("INPUT")) _TECHMAP_REPLACE_ (.B(I), .O(O)); endmodule +module IBPU (input I, output O); (* PULLMODE="UP" *) TRELLIS_IO #(.DIR("INPUT")) _TECHMAP_REPLACE_ (.B(I), .O(O)); endmodule +module IBPD (input I, output O); (* PULLMODE="DOWN" *) TRELLIS_IO #(.DIR("INPUT")) _TECHMAP_REPLACE_ (.B(I), .O(O)); endmodule +module OB (input I, output O); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("OUTPUT")) _TECHMAP_REPLACE_ (.B(O), .I(I)); endmodule +module OBZ (input I, T, output O); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("OUTPUT")) _TECHMAP_REPLACE_ (.B(O), .I(I), .T(T)); endmodule +module OBZPU(input I, T, output O); (* PULLMODE="UP" *) TRELLIS_IO #(.DIR("OUTPUT")) _TECHMAP_REPLACE_ (.B(O), .I(I), .T(T)); endmodule +module OBZPD(input I, T, output O); (* PULLMODE="DOWN" *) TRELLIS_IO #(.DIR("OUTPUT")) _TECHMAP_REPLACE_ (.B(O), .I(I), .T(T)); endmodule +module OBCO (input I, output OT, OC); OLVDS _TECHMAP_REPLACE_ (.A(I), .Z(OT), .ZN(OC)); endmodule +module BB (input I, T, output O, inout B); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("BIDIR")) _TECHMAP_REPLACE_ (.B(B), .I(I), .O(O), .T(T)); endmodule +module BBPU (input I, T, output O, inout B); (* PULLMODE="UP" *) TRELLIS_IO #(.DIR("BIDIR")) _TECHMAP_REPLACE_ (.B(B), .I(I), .O(O), .T(T)); endmodule +module BBPD (input I, T, output O, inout B); (* PULLMODE="DOWN" *) TRELLIS_IO #(.DIR("BIDIR")) _TECHMAP_REPLACE_ (.B(B), .I(I), .O(O), .T(T)); endmodule +module ILVDS(input A, AN, output Z); TRELLIS_IO #(.DIR("INPUT")) _TECHMAP_REPLACE_ (.B(A), .O(Z)); endmodule +module OLVDS(input A, output Z, ZN); TRELLIS_IO #(.DIR("OUTPUT")) _TECHMAP_REPLACE_ (.B(Z), .I(A)); endmodule + +// Diamond I/O registers +module IFS1P3BX(input PD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule +module IFS1P3DX(input CD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule +module IFS1P3IX(input CD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule +module IFS1P3JX(input PD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule + +module OFS1P3BX(input PD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule +module OFS1P3DX(input CD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule +module OFS1P3IX(input CD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule +module OFS1P3JX(input PD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule + +// TODO: Diamond I/O latches +// module IFS1S1B(input PD, D, SCLK, output Q); endmodule +// module IFS1S1D(input CD, D, SCLK, output Q); endmodule +// module IFS1S1I(input PD, D, SCLK, output Q); endmodule +// module IFS1S1J(input CD, D, SCLK, output Q); endmodule `ifndef NO_LUT module \$lut (A, Y); diff --git a/techlibs/ecp5/cells_sim.v b/techlibs/ecp5/cells_sim.v index 1e4002ee..07fadfa1 100644 --- a/techlibs/ecp5/cells_sim.v +++ b/techlibs/ecp5/cells_sim.v @@ -251,18 +251,6 @@ module TRELLIS_FF(input CLK, LSR, CE, DI, M, output reg Q); endmodule // --------------------------------------- - -module OBZ(input I, T, output O); -assign O = T ? 1'bz : I; -endmodule - -// --------------------------------------- - -module IB(input I, output O); -assign O = I; -endmodule - -// --------------------------------------- (* keep *) module TRELLIS_IO( inout B, @@ -293,19 +281,6 @@ endmodule // --------------------------------------- -module OB(input I, output O); -assign O = I; -endmodule - -// --------------------------------------- - -module BB(input I, T, output O, inout B); -assign B = T ? 1'bz : I; -assign O = B; -endmodule - -// --------------------------------------- - module INV(input A, output Z); assign Z = !A; endmodule @@ -558,19 +533,56 @@ module DP16KD( parameter INITVAL_3F = 320'h00000000000000000000000000000000000000000000000000000000000000000000000000000000; endmodule -// For Diamond compatibility, FIXME: add all Diamond flipflop mappings -module FD1S3BX(input PD, D, CK, output Q); - TRELLIS_FF #( - .GSR("DISABLED"), - .CEMUX("1"), - .CLKMUX("CLK"), - .LSRMUX("LSR"), - .REGSET("SET"), - .SRMODE("ASYNC") - ) tff_i ( - .CLK(CK), - .LSR(PD), - .DI(D), - .Q(Q) - ); -endmodule +// TODO: Diamond flip-flops +// module FD1P3AX(); endmodule +// module FD1P3AY(); endmodule +// module FD1P3BX(); endmodule +// module FD1P3DX(); endmodule +// module FD1P3IX(); endmodule +// module FD1P3JX(); endmodule +// module FD1S3AX(); endmodule +// module FD1S3AY(); endmodule +module FD1S3BX(input PD, D, CK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) tff (.CLK(CK), .LSR(PD), .DI(D), .Q(Q)); endmodule +module FD1S3DX(input CD, D, CK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) tff (.CLK(CK), .LSR(CD), .DI(D), .Q(Q)); endmodule +module FD1S3IX(input CD, D, CK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) tff (.CLK(CK), .LSR(CD), .DI(D), .Q(Q)); endmodule +module FD1S3JX(input PD, D, CK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) tff (.CLK(CK), .LSR(PD), .DI(D), .Q(Q)); endmodule +// module FL1P3AY(); endmodule +// module FL1P3AZ(); endmodule +// module FL1P3BX(); endmodule +// module FL1P3DX(); endmodule +// module FL1P3IY(); endmodule +// module FL1P3JY(); endmodule +// module FL1S3AX(); endmodule +// module FL1S3AY(); endmodule + +// Diamond I/O buffers +module IB (input I, output O); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("INPUT")) tio (.B(I), .O(O)); endmodule +module IBPU (input I, output O); (* PULLMODE="UP" *) TRELLIS_IO #(.DIR("INPUT")) tio (.B(I), .O(O)); endmodule +module IBPD (input I, output O); (* PULLMODE="DOWN" *) TRELLIS_IO #(.DIR("INPUT")) tio (.B(I), .O(O)); endmodule +module OB (input I, output O); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("OUTPUT")) tio (.B(O), .I(I)); endmodule +module OBZ (input I, T, output O); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("OUTPUT")) tio (.B(O), .I(I), .T(T)); endmodule +module OBZPU(input I, T, output O); (* PULLMODE="UP" *) TRELLIS_IO #(.DIR("OUTPUT")) tio (.B(O), .I(I), .T(T)); endmodule +module OBZPD(input I, T, output O); (* PULLMODE="DOWN" *) TRELLIS_IO #(.DIR("OUTPUT")) tio (.B(O), .I(I), .T(T)); endmodule +module OBCO (input I, output OT, OC); OLVDS olvds (.A(I), .Z(OT), .ZN(OC)); endmodule +module BB (input I, T, output O, inout B); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("BIDIR")) tio (.B(B), .I(I), .O(O), .T(T)); endmodule +module BBPU (input I, T, output O, inout B); (* PULLMODE="UP" *) TRELLIS_IO #(.DIR("BIDIR")) tio (.B(B), .I(I), .O(O), .T(T)); endmodule +module BBPD (input I, T, output O, inout B); (* PULLMODE="DOWN" *) TRELLIS_IO #(.DIR("BIDIR")) tio (.B(B), .I(I), .O(O), .T(T)); endmodule +module ILVDS(input A, AN, output Z); TRELLIS_IO #(.DIR("INPUT")) tio (.B(A), .O(Z)); endmodule +module OLVDS(input A, output Z, ZN); TRELLIS_IO #(.DIR("OUTPUT")) tio (.B(Z), .I(A)); endmodule + +// Diamond I/O registers +module IFS1P3BX(input PD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) tff (.CLK(SCLK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule +module IFS1P3DX(input CD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) tff (.CLK(SCLK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule +module IFS1P3IX(input CD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) tff (.CLK(SCLK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule +module IFS1P3JX(input PD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) tff (.CLK(SCLK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule + +module OFS1P3BX(input PD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) tff (.CLK(SCLK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule +module OFS1P3DX(input CD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) tff (.CLK(SCLK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule +module OFS1P3IX(input CD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) tff (.CLK(SCLK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule +module OFS1P3JX(input PD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) tff (.CLK(SCLK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule + +// TODO: Diamond I/O latches +// module IFS1S1B(input PD, D, SCLK, output Q); endmodule +// module IFS1S1D(input CD, D, SCLK, output Q); endmodule +// module IFS1S1I(input PD, D, SCLK, output Q); endmodule +// module IFS1S1J(input CD, D, SCLK, output Q); endmodule diff --git a/techlibs/ecp5/synth_ecp5.cc b/techlibs/ecp5/synth_ecp5.cc index 4b889d67..01222e55 100644 --- a/techlibs/ecp5/synth_ecp5.cc +++ b/techlibs/ecp5/synth_ecp5.cc @@ -76,7 +76,7 @@ struct SynthEcp5Pass : public ScriptPass log(" -nodram\n"); log(" do not use distributed RAM cells in output netlist\n"); log("\n"); - log(" -nomux\n"); + log(" -nowidelut\n"); log(" do not use PFU muxes to implement LUTs larger than LUT4s\n"); log("\n"); log(" -abc2\n"); @@ -93,7 +93,7 @@ struct SynthEcp5Pass : public ScriptPass } string top_opt, blif_file, edif_file, json_file; - bool noccu2, nodffe, nobram, nodram, nomux, flatten, retime, abc2, vpr; + bool noccu2, nodffe, nobram, nodram, nowidelut, flatten, retime, abc2, vpr; void clear_flags() YS_OVERRIDE { @@ -105,7 +105,7 @@ struct SynthEcp5Pass : public ScriptPass nodffe = false; nobram = false; nodram = false; - nomux = false; + nowidelut = false; flatten = true; retime = false; abc2 = false; @@ -172,8 +172,8 @@ struct SynthEcp5Pass : public ScriptPass nodram = true; continue; } - if (args[argidx] == "-nomux") { - nomux = true; + if (args[argidx] == "-nowidelut" || args[argidx] == "-nomux") { + nowidelut = true; continue; } if (args[argidx] == "-abc2") { @@ -253,7 +253,7 @@ struct SynthEcp5Pass : public ScriptPass if (!nodffe) run("dff2dffe -direct-match $_DFF_* -direct-match $__DFFS_*"); run("techmap -D NO_LUT -map +/ecp5/cells_map.v"); - run("opt_expr -mux_undef"); + run("opt_expr -undriven -mux_undef"); run("simplemap"); run("ecp5_ffinit"); } @@ -264,7 +264,7 @@ struct SynthEcp5Pass : public ScriptPass run("abc", " (only if -abc2)"); } run("techmap -map +/ecp5/latches_map.v"); - if (nomux) + if (nowidelut) run("abc -lut 4 -dress"); else run("abc -lut 4:7 -dress"); diff --git a/techlibs/gowin/Makefile.inc b/techlibs/gowin/Makefile.inc index 2f82def7..6f215934 100644 --- a/techlibs/gowin/Makefile.inc +++ b/techlibs/gowin/Makefile.inc @@ -1,7 +1,17 @@ OBJS += techlibs/gowin/synth_gowin.o +OBJS += techlibs/gowin/determine_init.o + $(eval $(call add_share_file,share/gowin,techlibs/gowin/cells_map.v)) $(eval $(call add_share_file,share/gowin,techlibs/gowin/cells_sim.v)) $(eval $(call add_share_file,share/gowin,techlibs/gowin/arith_map.v)) +$(eval $(call add_share_file,share/gowin,techlibs/gowin/brams_map.v)) +$(eval $(call add_share_file,share/gowin,techlibs/gowin/bram.txt)) +$(eval $(call add_share_file,share/gowin,techlibs/gowin/drams_map.v)) +$(eval $(call add_share_file,share/gowin,techlibs/gowin/dram.txt)) + + + +$(eval $(call add_share_file,share/gowin,techlibs/gowin/brams_init3.vh)) diff --git a/techlibs/gowin/bram.txt b/techlibs/gowin/bram.txt new file mode 100644 index 00000000..b5f9a981 --- /dev/null +++ b/techlibs/gowin/bram.txt @@ -0,0 +1,29 @@ +bram $__GW1NR_SDP +# uncomment when done +# init 1 + abits 10 @a10d18 + dbits 16 @a10d18 + abits 11 @a11d9 + dbits 8 @a11d9 + abits 12 @a12d4 + dbits 4 @a12d4 + abits 13 @a13d2 + dbits 2 @a13d2 + abits 14 @a14d1 + dbits 1 @a14d1 + groups 2 + ports 1 1 + wrmode 1 0 + enable 1 1 @a10d18 + enable 1 1 @a11d9 @a12d4 @a13d2 @a14d1 + transp 0 0 + clocks 2 3 + clkpol 2 3 +endbram + +match $__GW1NR_SDP + min bits 2048 + min efficiency 5 + shuffle_enable B + make_transp +endmatch diff --git a/techlibs/gowin/brams_init3.vh b/techlibs/gowin/brams_init3.vh new file mode 100644 index 00000000..84397fa2 --- /dev/null +++ b/techlibs/gowin/brams_init3.vh @@ -0,0 +1,12 @@ +localparam [15:0] INIT_0 = { + INIT[ 60], INIT[ 56], INIT[ 52], INIT[ 48], INIT[ 44], INIT[ 40], INIT[ 36], INIT[ 32], INIT[ 28], INIT[ 24], INIT[ 20], INIT[ 16], INIT[ 12], INIT[ 8], INIT[ 4], INIT[ 0] +}; +localparam [15:0] INIT_1 = { + INIT[ 61], INIT[ 57], INIT[ 53], INIT[ 49], INIT[ 45], INIT[ 41], INIT[ 37], INIT[ 33], INIT[ 29], INIT[ 25], INIT[ 21], INIT[ 17], INIT[ 13], INIT[ 9], INIT[ 5], INIT[ 1] +}; +localparam [15:0] INIT_2 = { + INIT[ 62], INIT[ 58], INIT[ 54], INIT[ 50], INIT[ 46], INIT[ 42], INIT[ 38], INIT[ 34], INIT[ 30], INIT[ 26], INIT[ 22], INIT[ 18], INIT[ 14], INIT[ 10], INIT[ 6], INIT[ 2] +}; +localparam [15:0] INIT_3 = { + INIT[ 63], INIT[ 59], INIT[ 55], INIT[ 51], INIT[ 47], INIT[ 43], INIT[ 39], INIT[ 35], INIT[ 31], INIT[ 27], INIT[ 23], INIT[ 19], INIT[ 15], INIT[ 11], INIT[ 7], INIT[ 3] +}; diff --git a/techlibs/gowin/brams_map.v b/techlibs/gowin/brams_map.v new file mode 100644 index 00000000..e963cfa8 --- /dev/null +++ b/techlibs/gowin/brams_map.v @@ -0,0 +1,103 @@ +/* Semi Dual Port (SDP) memory have the following configurations: + * Memory Config RAM(BIT) Port Mode Memory Depth Data Depth + * ----------------|---------| ----------|--------------|------------| + * B-SRAM_16K_SD1 16K 16Kx1 16,384 1 + * B-SRAM_8K_SD2 16K 8Kx2 8,192 2 + * B-SRAM_4K_SD4 16K 4Kx2 4,096 4 + */ +module \$__GW1NR_SDP (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, B1EN); + parameter CFG_ABITS = 10; + parameter CFG_DBITS = 16; + parameter CFG_ENABLE_A = 3; + + parameter [16383:0] INIT = 16384'hx; + parameter CLKPOL2 = 1; + parameter CLKPOL3 = 1; + + input CLK2; + input CLK3; + + input [CFG_ABITS-1:0] A1ADDR; + input [CFG_DBITS-1:0] A1DATA; + input [CFG_ENABLE_A-1:0] A1EN; + + input [CFG_ABITS-1:0] B1ADDR; + output [CFG_DBITS-1:0] B1DATA; + input B1EN; + + + generate if (CFG_DBITS == 1) begin + SDP #( + .READ_MODE(0), + .BIT_WIDTH_0(1), + .BIT_WIDTH_1(1), + .BLK_SEL(3'b000), + .RESET_MODE("SYNC") + ) _TECHMAP_REPLACE_ ( + .CLKA(CLK2), .CLKB(CLK3), + .WREA(A1EN), .OCE(1'b0), .CEA(1'b1), + .WREB(1'b0), .CEB(B1EN), + .RESETA(1'b0), .RESETB(1'b0), .BLKSEL(3'b000), + .DI(A1DATA), .DO(B1DATA), .ADA(A1ADDR), .ADB(B1ADDR) + ); + end else if (CFG_DBITS == 2) begin + SDP #( + .READ_MODE(0), + .BIT_WIDTH_0(2), + .BIT_WIDTH_1(2), + .BLK_SEL(3'b000), + .RESET_MODE("SYNC") + ) _TECHMAP_REPLACE_ ( + .CLKA(CLK2), .CLKB(CLK3), + .WREA(A1EN), .OCE(1'b0), .CEA(1'b1), + .WREB(1'b0), .CEB(B1EN), + .RESETA(1'b0), .RESETB(1'b0), .BLKSEL(3'b000), + .DI(A1DATA), .DO(B1DATA), .ADA(A1ADDR), .ADB(B1ADDR) + ); + end else if (CFG_DBITS <= 4) begin + SDP #( + .READ_MODE(0), + .BIT_WIDTH_0(4), + .BIT_WIDTH_1(4), + .BLK_SEL(3'b000), + .RESET_MODE("SYNC") + ) _TECHMAP_REPLACE_ ( + .CLKA(CLK2), .CLKB(CLK3), + .WREA(A1EN), .OCE(1'b0), + .WREB(1'b0), .CEB(B1EN), .CEA(1'b1), + .RESETA(1'b0), .RESETB(1'b0), .BLKSEL(3'b000), + .DI(A1DATA), .DO(B1DATA), .ADA(A1ADDR), .ADB(B1ADDR) + ); + end else if (CFG_DBITS <= 8) begin + SDP #( + .READ_MODE(0), + .BIT_WIDTH_0(8), + .BIT_WIDTH_1(8), + .BLK_SEL(3'b000), + .RESET_MODE("SYNC") + ) _TECHMAP_REPLACE_ ( + .CLKA(CLK2), .CLKB(CLK3), + .WREA(A1EN), .OCE(1'b0), .CEA(1'b1), + .WREB(1'b0), .CEB(B1EN), + .RESETA(1'b0), .RESETB(1'b0), .BLKSEL(3'b000), + .DI(A1DATA), .DO(B1DATA), .ADA(A1ADDR), .ADB(B1ADDR) + ); + end else if (CFG_DBITS <= 16) begin + SDP #( + .READ_MODE(0), + .BIT_WIDTH_0(16), + .BIT_WIDTH_1(16), + .BLK_SEL(3'b000), + .RESET_MODE("SYNC") + ) _TECHMAP_REPLACE_ ( + .CLKA(CLK2), .CLKB(CLK3), + .WREA(A1EN), .OCE(1'b0), + .WREB(1'b0), .CEB(B1EN), .CEA(1'b1), + .RESETA(1'b0), .RESETB(1'b0), .BLKSEL(3'b000), + .DI(A1DATA), .DO(B1DATA), .ADA(A1ADDR), .ADB(B1ADDR) + ); + end else begin + wire TECHMAP_FAIL = 1'b1; + end endgenerate + +endmodule diff --git a/techlibs/gowin/cells_map.v b/techlibs/gowin/cells_map.v index e1f85eff..ebdc88a0 100644 --- a/techlibs/gowin/cells_map.v +++ b/techlibs/gowin/cells_map.v @@ -1,5 +1,9 @@ module \$_DFF_N_ (input D, C, output Q); DFFN _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C)); endmodule -module \$_DFF_P_ (input D, C, output Q); DFF _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C)); endmodule +module \$_DFF_P_ #(parameter INIT = 1'b0) (input D, C, output Q); DFF #(.INIT(INIT)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C)); endmodule + +module \$__DFFS_PN0_ (input D, C, R, output Q); DFFR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(!R)); endmodule +module \$__DFFS_PP0_ (input D, C, R, output Q); DFFR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(R)); endmodule +module \$__DFFS_PP1_ (input D, C, R, output Q); DFFR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .CLK(C), .RESET(R)); endmodule module \$lut (A, Y); parameter WIDTH = 0; diff --git a/techlibs/gowin/cells_sim.v b/techlibs/gowin/cells_sim.v index 14441c2f..ebb238ba 100644 --- a/techlibs/gowin/cells_sim.v +++ b/techlibs/gowin/cells_sim.v @@ -38,6 +38,17 @@ module DFFN (output reg Q, input CLK, D); Q <= D; endmodule +module DFFR (output reg Q, input D, CLK, RESET); + parameter [0:0] INIT = 1'b0; + initial Q = INIT; + always @(posedge CLK) begin + if (RESET) + Q <= 1'b0; + else + Q <= D; + end +endmodule // DFFR (positive clock edge; synchronous reset) + module VCC(output V); assign V = 1; endmodule @@ -63,3 +74,126 @@ module ALU (input I0, input I1, input I3, input CIN, output COUT, output SUM); assign {COUT, SUM} = CIN + I1 + I0; endmodule // alu +module RAM16S4 (DO, DI, AD, WRE, CLK); + parameter WIDTH = 4; + parameter INIT_0 = 16'h0000; + parameter INIT_1 = 16'h0000; + parameter INIT_2 = 16'h0000; + parameter INIT_3 = 16'h0000; + + input [WIDTH-1:0] AD; + input [WIDTH-1:0] DI; + output [WIDTH-1:0] DO; + input CLK; + input WRE; + + reg [15:0] mem0, mem1, mem2, mem3; + + initial begin + mem0 = INIT_0; + mem1 = INIT_1; + mem2 = INIT_2; + mem3 = INIT_3; + end + + assign DO[0] = mem0[AD]; + assign DO[1] = mem1[AD]; + assign DO[2] = mem2[AD]; + assign DO[3] = mem3[AD]; + + always @(posedge CLK) begin + if (WRE) begin + mem0[AD] <= DI[0]; + mem1[AD] <= DI[1]; + mem2[AD] <= DI[2]; + mem3[AD] <= DI[3]; + end + end + +endmodule // RAM16S4 + + +(* blackbox *) +module SDP (DO, DI, BLKSEL, ADA, ADB, WREA, WREB, CLKA, CLKB, CEA, CEB, OCE, RESETA, RESETB); +//1'b0: Bypass mode; 1'b1 Pipeline mode +parameter READ_MODE = 1'b0; +parameter BIT_WIDTH_0 = 32; // 1, 2, 4, 8, 16, 32 +parameter BIT_WIDTH_1 = 32; // 1, 2, 4, 8, 16, 32 +parameter BLK_SEL = 3'b000; +parameter RESET_MODE = "SYNC"; +parameter INIT_RAM_00 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_01 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_02 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_03 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_04 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_05 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_06 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_07 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_08 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_09 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_0A = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_0B = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_0C = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_0D = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_0E = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_0F = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_10 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_11 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_12 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_13 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_14 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_15 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_16 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_17 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_18 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_19 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_1A = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_1B = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_1C = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_1D = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_1E = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_1F = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_20 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_21 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_22 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_23 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_24 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_25 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_26 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_27 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_28 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_29 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_2A = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_2B = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_2C = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_2D = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_2E = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_2F = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_30 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_31 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_32 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_33 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_34 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_35 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_36 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_37 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_38 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_39 = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_3A = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_3B = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_3C = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_3D = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_3E = 256'h0000000000000000000000000000000000000000000000000000000000000000; +parameter INIT_RAM_3F = 256'h0000000000000000000000000000000000000000000000000000000000000000; + +input CLKA, CEA, CLKB, CEB; +input OCE; // clock enable of memory output register +input RESETA, RESETB; // resets output registers, not memory contents +input WREA, WREB; // 1'b0: read enabled; 1'b1: write enabled +input [13:0] ADA, ADB; +input [31:0] DI; +input [2:0] BLKSEL; +output [31:0] DO; + +endmodule + diff --git a/techlibs/gowin/determine_init.cc b/techlibs/gowin/determine_init.cc new file mode 100644 index 00000000..d9a0880f --- /dev/null +++ b/techlibs/gowin/determine_init.cc @@ -0,0 +1,72 @@ +/* + * yosys -- Yosys Open SYnthesis Suite + * + * Copyright (C) 2018 Icenowy Zheng <icenowy@aosc.io> + * + * 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. + * + */ + +#include "kernel/yosys.h" +#include "kernel/sigtools.h" + +USING_YOSYS_NAMESPACE +PRIVATE_NAMESPACE_BEGIN + +struct DetermineInitPass : public Pass { + DetermineInitPass() : Pass("determine_init", "Determine the init value of cells") { } + void help() YS_OVERRIDE + { + log("\n"); + log(" determine_init [selection]\n"); + log("\n"); + log("Determine the init value of cells that doesn't allow unknown init value.\n"); + log("\n"); + } + + Const determine_init(Const init) + { + for (int i = 0; i < GetSize(init); i++) { + if (init[i] != State::S0 && init[i] != State::S1) + init[i] = State::S0; + } + + return init; + } + + void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE + { + log_header(design, "Executing DETERMINE_INIT pass (determine init value for cells).\n"); + + extra_args(args, args.size(), design); + + int cnt = 0; + for (auto module : design->selected_modules()) + { + for (auto cell : module->selected_cells()) + { + if (cell->type == "\\RAM16S4") + { + cell->setParam("\\INIT_0", determine_init(cell->getParam("\\INIT_0"))); + cell->setParam("\\INIT_1", determine_init(cell->getParam("\\INIT_1"))); + cell->setParam("\\INIT_2", determine_init(cell->getParam("\\INIT_2"))); + cell->setParam("\\INIT_3", determine_init(cell->getParam("\\INIT_3"))); + cnt++; + } + } + } + log_header(design, "Updated %d cells with determined init value.\n", cnt); + } +} DetermineInitPass; + +PRIVATE_NAMESPACE_END diff --git a/techlibs/gowin/dram.txt b/techlibs/gowin/dram.txt new file mode 100644 index 00000000..9db53025 --- /dev/null +++ b/techlibs/gowin/dram.txt @@ -0,0 +1,17 @@ +bram $__GW1NR_RAM16S4 + init 1 + abits 4 + dbits 4 + groups 2 + ports 1 1 + wrmode 0 1 + enable 0 1 + transp 0 1 + clocks 0 1 + clkpol 0 1 +endbram + +match $__GW1NR_RAM16S4 + make_outreg + min wports 1 +endmatch diff --git a/techlibs/gowin/drams_map.v b/techlibs/gowin/drams_map.v new file mode 100644 index 00000000..a50ab365 --- /dev/null +++ b/techlibs/gowin/drams_map.v @@ -0,0 +1,31 @@ +module \$__GW1NR_RAM16S4 (CLK1, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, B1EN); + parameter CFG_ABITS = 4; + parameter CFG_DBITS = 4; + + parameter [63:0] INIT = 64'bx; + input CLK1; + + input [CFG_ABITS-1:0] A1ADDR; + output [CFG_DBITS-1:0] A1DATA; + input A1EN; + + input [CFG_ABITS-1:0] B1ADDR; + input [CFG_DBITS-1:0] B1DATA; + input B1EN; + + `include "brams_init3.vh" + + RAM16S4 + #(.INIT_0(INIT_0), + .INIT_1(INIT_1), + .INIT_2(INIT_2), + .INIT_3(INIT_3)) + _TECHMAP_REPLACE_ + (.AD(B1ADDR), + .DI(B1DATA), + .DO(A1DATA), + .CLK(CLK1), + .WRE(B1EN)); + + +endmodule diff --git a/techlibs/gowin/synth_gowin.cc b/techlibs/gowin/synth_gowin.cc index 9a3fcdbb..ac3dbfb2 100644 --- a/techlibs/gowin/synth_gowin.cc +++ b/techlibs/gowin/synth_gowin.cc @@ -49,9 +49,15 @@ struct SynthGowinPass : public ScriptPass log(" from label is synonymous to 'begin', and empty to label is\n"); log(" synonymous to the end of the command list.\n"); log("\n"); + log(" -nodffe\n"); + log(" do not use flipflops with CE in output netlist\n"); + log("\n"); log(" -nobram\n"); log(" do not use BRAM cells in output netlist\n"); log("\n"); + log(" -nodram\n"); + log(" do not use distributed RAM cells in output netlist\n"); + log("\n"); log(" -noflatten\n"); log(" do not flatten design before synthesis\n"); log("\n"); @@ -65,7 +71,7 @@ struct SynthGowinPass : public ScriptPass } string top_opt, vout_file; - bool retime, flatten, nobram; + bool retime, nobram, nodram, flatten, nodffe; void clear_flags() YS_OVERRIDE { @@ -73,7 +79,9 @@ struct SynthGowinPass : public ScriptPass vout_file = ""; retime = false; flatten = true; - nobram = true; + nobram = false; + nodffe = false; + nodram = false; } void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE @@ -108,6 +116,14 @@ struct SynthGowinPass : public ScriptPass nobram = true; continue; } + if (args[argidx] == "-nodram") { + nodram = true; + continue; + } + if (args[argidx] == "-nodffe") { + nodffe = true; + continue; + } if (args[argidx] == "-noflatten") { flatten = false; continue; @@ -147,25 +163,43 @@ struct SynthGowinPass : public ScriptPass { run("synth -run coarse"); } - if (!nobram && check_label("bram", "(skip if -nobram)")) + + if (!nobram && check_label("bram", "(skip if -nobram)")) { run("memory_bram -rules +/gowin/bram.txt"); - run("techmap -map +/gowin/brams_map.v"); + run("techmap -map +/gowin/brams_map.v -map +/gowin/cells_sim.v"); + } + + if (!nodram && check_label("dram", "(skip if -nodram)")) + { + run("memory_bram -rules +/gowin/dram.txt"); + run("techmap -map +/gowin/drams_map.v"); + run("determine_init"); } + if (check_label("fine")) { run("opt -fast -mux_undef -undriven -fine"); run("memory_map"); run("opt -undriven -fine"); run("techmap -map +/techmap.v -map +/gowin/arith_map.v"); - run("opt -fine"); - run("clean -purge"); - run("splitnets -ports"); - run("setundef -undriven -zero"); + run("techmap -map +/techmap.v"); if (retime || help_mode) run("abc -dff", "(only if -retime)"); } + if (check_label("map_ffs")) + { + run("dffsr2dff"); + run("dff2dffs"); + run("opt_clean"); + if (!nodffe) + run("dff2dffe -direct-match $_DFF_* -direct-match $__DFFS_*"); + run("techmap -map +/gowin/cells_map.v"); + run("opt_expr -mux_undef"); + run("simplemap"); + } + if (check_label("map_luts")) { run("abc -lut 4"); @@ -176,8 +210,10 @@ struct SynthGowinPass : public ScriptPass { run("techmap -map +/gowin/cells_map.v"); run("hilomap -hicell VCC V -locell GND G"); - run("iopadmap -inpad IBUF O:I -outpad OBUF I:O"); - run("clean -purge"); + run("iopadmap -bits -inpad IBUF O:I -outpad OBUF I:O", "(unless -noiopads)"); + run("dffinit -ff DFF Q INIT"); + run("clean"); + } if (check_label("check")) diff --git a/techlibs/ice40/cells_sim.v b/techlibs/ice40/cells_sim.v index 62a28364..f9945b2b 100644 --- a/techlibs/ice40/cells_sim.v +++ b/techlibs/ice40/cells_sim.v @@ -27,18 +27,27 @@ module SB_IO ( reg dout_q_0, dout_q_1; reg outena_q; + // IO tile generates a constant 1'b1 internally if global_cen is not connected + wire clken_pulled = CLOCK_ENABLE || CLOCK_ENABLE === 1'bz; + reg clken_pulled_ri; + reg clken_pulled_ro; + generate if (!NEG_TRIGGER) begin - always @(posedge INPUT_CLK) if (CLOCK_ENABLE) din_q_0 <= PACKAGE_PIN; - always @(negedge INPUT_CLK) if (CLOCK_ENABLE) din_q_1 <= PACKAGE_PIN; - always @(posedge OUTPUT_CLK) if (CLOCK_ENABLE) dout_q_0 <= D_OUT_0; - always @(negedge OUTPUT_CLK) if (CLOCK_ENABLE) dout_q_1 <= D_OUT_1; - always @(posedge OUTPUT_CLK) if (CLOCK_ENABLE) outena_q <= OUTPUT_ENABLE; + always @(posedge INPUT_CLK) clken_pulled_ri <= clken_pulled; + always @(posedge INPUT_CLK) if (clken_pulled) din_q_0 <= PACKAGE_PIN; + always @(negedge INPUT_CLK) if (clken_pulled_ri) din_q_1 <= PACKAGE_PIN; + always @(posedge OUTPUT_CLK) clken_pulled_ro <= clken_pulled; + always @(posedge OUTPUT_CLK) if (clken_pulled) dout_q_0 <= D_OUT_0; + always @(negedge OUTPUT_CLK) if (clken_pulled_ro) dout_q_1 <= D_OUT_1; + always @(posedge OUTPUT_CLK) if (clken_pulled) outena_q <= OUTPUT_ENABLE; end else begin - always @(negedge INPUT_CLK) if (CLOCK_ENABLE) din_q_0 <= PACKAGE_PIN; - always @(posedge INPUT_CLK) if (CLOCK_ENABLE) din_q_1 <= PACKAGE_PIN; - always @(negedge OUTPUT_CLK) if (CLOCK_ENABLE) dout_q_0 <= D_OUT_0; - always @(posedge OUTPUT_CLK) if (CLOCK_ENABLE) dout_q_1 <= D_OUT_1; - always @(negedge OUTPUT_CLK) if (CLOCK_ENABLE) outena_q <= OUTPUT_ENABLE; + always @(negedge INPUT_CLK) clken_pulled_ri <= clken_pulled; + always @(negedge INPUT_CLK) if (clken_pulled) din_q_0 <= PACKAGE_PIN; + always @(posedge INPUT_CLK) if (clken_pulled_ri) din_q_1 <= PACKAGE_PIN; + always @(negedge OUTPUT_CLK) clken_pulled_ro <= clken_pulled; + always @(negedge OUTPUT_CLK) if (clken_pulled) dout_q_0 <= D_OUT_0; + always @(posedge OUTPUT_CLK) if (clken_pulled_ro) dout_q_1 <= D_OUT_1; + always @(negedge OUTPUT_CLK) if (clken_pulled) outena_q <= OUTPUT_ENABLE; end endgenerate always @* begin @@ -921,10 +930,21 @@ endmodule (* blackbox *) module SB_HFOSC( + input TRIM0, + input TRIM1, + input TRIM2, + input TRIM3, + input TRIM4, + input TRIM5, + input TRIM6, + input TRIM7, + input TRIM8, + input TRIM9, input CLKHFPU, input CLKHFEN, output CLKHF ); +parameter TRIM_EN = "0b0"; parameter CLKHF_DIV = "0b00"; endmodule @@ -954,6 +974,30 @@ parameter RGB2_CURRENT = "0b000000"; endmodule (* blackbox *) +module SB_LED_DRV_CUR( + input EN, + output LEDPU +); +endmodule + +(* blackbox *) +module SB_RGB_DRV( + input RGBLEDEN, + input RGB0PWM, + input RGB1PWM, + input RGB2PWM, + input RGBPU, + output RGB0, + output RGB1, + output RGB2 +); +parameter CURRENT_MODE = "0b0"; +parameter RGB0_CURRENT = "0b000000"; +parameter RGB1_CURRENT = "0b000000"; +parameter RGB2_CURRENT = "0b000000"; +endmodule + +(* blackbox *) module SB_I2C( input SBCLKI, input SBRWI, diff --git a/techlibs/ice40/ice40_unlut.cc b/techlibs/ice40/ice40_unlut.cc index 2428a8e7..d16e6e6a 100644 --- a/techlibs/ice40/ice40_unlut.cc +++ b/techlibs/ice40/ice40_unlut.cc @@ -74,7 +74,7 @@ static void run_ice40_unlut(Module *module) } struct Ice40UnlutPass : public Pass { - Ice40UnlutPass() : Pass("ice40_unlut", "iCE40: perform simple optimizations") { } + Ice40UnlutPass() : Pass("ice40_unlut", "iCE40: transform SB_LUT4 cells to $lut cells") { } void help() YS_OVERRIDE { // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| diff --git a/techlibs/ice40/synth_ice40.cc b/techlibs/ice40/synth_ice40.cc index 8899bfcc..bb96d66d 100644 --- a/techlibs/ice40/synth_ice40.cc +++ b/techlibs/ice40/synth_ice40.cc @@ -225,11 +225,13 @@ struct SynthIce40Pass : public ScriptPass run("proc"); } - if (flatten && check_label("flatten", "(unless -noflatten)")) + if (check_label("flatten", "(unless -noflatten)")) { - run("flatten"); - run("tribuf -logic"); - run("deminout"); + if (flatten) { + run("flatten"); + run("tribuf -logic"); + run("deminout"); + } } if (check_label("coarse")) @@ -239,6 +241,8 @@ struct SynthIce40Pass : public ScriptPass run("check"); run("opt"); run("wreduce"); + run("peepopt"); + run("opt_clean"); run("share"); run("techmap -map +/cmp2lut.v -D LUT_WIDTH=4"); run("opt_expr"); diff --git a/techlibs/intel/cyclonev/cells_sim.v b/techlibs/intel/cyclonev/cells_sim.v index fa27c2c8..9b2a10e7 100644 --- a/techlibs/intel/cyclonev/cells_sim.v +++ b/techlibs/intel/cyclonev/cells_sim.v @@ -85,7 +85,7 @@ module cyclonev_lcell_comb begin upper_lut_value = lut4(mask[31:16], dataa, datab, datac, datad); lower_lut_value = lut4(mask[15:0], dataa, datab, datac, datad); - lut5 = (datae) ? upper_mask_value : lower_mask_value; + lut5 = (datae) ? upper_lut_value : lower_lut_value; end endfunction // lut5 @@ -95,15 +95,16 @@ module cyclonev_lcell_comb input dataa, datab, datac, datad, datae, dataf; reg upper_lut_value; reg lower_lut_value; + reg out_0, out_1, out_2, out_3; begin upper_lut_value = lut5(mask[63:32], dataa, datab, datac, datad, datae); lower_lut_value = lut5(mask[31:0], dataa, datab, datac, datad, datae); - lut6 = (dataf) ? upper_mask_value : lower_mask_value; + lut6 = (dataf) ? upper_lut_value : lower_lut_value; end endfunction // lut6 assign {mask_a, mask_b, mask_c, mask_d} = {lut_mask[15:0], lut_mask[31:16], lut_mask[47:32], lut_mask[63:48]}; - +`ifdef ADVANCED_ALM always @(*) begin if(extended_lut == "on") shared_lut_alm = datag; @@ -115,6 +116,11 @@ module cyclonev_lcell_comb out_2 = lut4(mask_c, dataa, datab, datac, datad); out_3 = lut4(mask_d, dataa, datab, shared_lut_alm, datad); end +`else + `ifdef DEBUG + initial $display("Advanced ALM lut combine is not implemented yet"); + `endif +`endif endmodule // cyclonev_lcell_comb diff --git a/techlibs/intel/synth_intel.cc b/techlibs/intel/synth_intel.cc index 0f1d7a7b..639cba2c 100644 --- a/techlibs/intel/synth_intel.cc +++ b/techlibs/intel/synth_intel.cc @@ -17,254 +17,243 @@ * */ -#include "kernel/register.h" #include "kernel/celltypes.h" -#include "kernel/rtlil.h" #include "kernel/log.h" +#include "kernel/register.h" +#include "kernel/rtlil.h" USING_YOSYS_NAMESPACE PRIVATE_NAMESPACE_BEGIN struct SynthIntelPass : public ScriptPass { - SynthIntelPass() : ScriptPass("synth_intel", "synthesis for Intel (Altera) FPGAs.") { } + SynthIntelPass() : ScriptPass("synth_intel", "synthesis for Intel (Altera) FPGAs.") {} - void help() YS_OVERRIDE - { - // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| - log("\n"); - log(" synth_intel [options]\n"); - log("\n"); - log("This command runs synthesis for Intel FPGAs.\n"); - log("\n"); - log(" -family < max10 | a10gx | cyclone10 | cyclonev | cycloneiv | cycloneive>\n"); - log(" generate the synthesis netlist for the specified family.\n"); - log(" MAX10 is the default target if not family argument specified.\n"); - log(" For Cyclone GX devices, use cycloneiv argument; For Cyclone E, use cycloneive.\n"); - log(" Cyclone V and Arria 10 GX devices are experimental, use it with a10gx argument.\n"); - log("\n"); - log(" -top <module>\n"); - log(" use the specified module as top module (default='top')\n"); - log("\n"); - log(" -vqm <file>\n"); - log(" write the design to the specified Verilog Quartus Mapping File. Writing of an\n"); - log(" output file is omitted if this parameter is not specified.\n"); - log("\n"); - log(" -vpr <file>\n"); - log(" write BLIF files for VPR flow experiments. The synthesized BLIF output file is not\n"); - log(" compatible with the Quartus flow. Writing of an\n"); - log(" output file is omitted if this parameter is not specified.\n"); - log("\n"); - log(" -run <from_label>:<to_label>\n"); - log(" only run the commands between the labels (see below). an empty\n"); - log(" from label is synonymous to 'begin', and empty to label is\n"); - log(" synonymous to the end of the command list.\n"); - log("\n"); - log(" -noiopads\n"); - log(" do not use altsyncram cells in output netlist\n"); - log("\n"); - log(" -nobram\n"); - log(" do not use altsyncram cells in output netlist\n"); - log("\n"); - log(" -noflatten\n"); - log(" do not flatten design before synthesis\n"); - log("\n"); - log(" -retime\n"); - log(" run 'abc' with -dff option\n"); - log("\n"); - log("The following commands are executed by this synthesis command:\n"); - help_script(); - log("\n"); - } + void help() YS_OVERRIDE + { + // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| + log("\n"); + log(" synth_intel [options]\n"); + log("\n"); + log("This command runs synthesis for Intel FPGAs.\n"); + log("\n"); + log(" -family < max10 | a10gx | cyclone10 | cyclonev | cycloneiv | cycloneive>\n"); + log(" generate the synthesis netlist for the specified family.\n"); + log(" MAX10 is the default target if not family argument specified.\n"); + log(" For Cyclone GX devices, use cycloneiv argument; For Cyclone E, use cycloneive.\n"); + log(" Cyclone V and Arria 10 GX devices are experimental, use it with a10gx argument.\n"); + log("\n"); + log(" -top <module>\n"); + log(" use the specified module as top module (default='top')\n"); + log("\n"); + log(" -vqm <file>\n"); + log(" write the design to the specified Verilog Quartus Mapping File. Writing of an\n"); + log(" output file is omitted if this parameter is not specified.\n"); + log("\n"); + log(" -vpr <file>\n"); + log(" write BLIF files for VPR flow experiments. The synthesized BLIF output file is not\n"); + log(" compatible with the Quartus flow. Writing of an\n"); + log(" output file is omitted if this parameter is not specified.\n"); + log("\n"); + log(" -run <from_label>:<to_label>\n"); + log(" only run the commands between the labels (see below). an empty\n"); + log(" from label is synonymous to 'begin', and empty to label is\n"); + log(" synonymous to the end of the command list.\n"); + log("\n"); + log(" -noiopads\n"); + log(" do not use altsyncram cells in output netlist\n"); + log("\n"); + log(" -nobram\n"); + log(" do not use altsyncram cells in output netlist\n"); + log("\n"); + log(" -noflatten\n"); + log(" do not flatten design before synthesis\n"); + log("\n"); + log(" -retime\n"); + log(" run 'abc' with -dff option\n"); + log("\n"); + log("The following commands are executed by this synthesis command:\n"); + help_script(); + log("\n"); + } - string top_opt, family_opt, vout_file, blif_file; - bool retime, flatten, nobram, noiopads; + string top_opt, family_opt, vout_file, blif_file; + bool retime, flatten, nobram, noiopads; - void clear_flags() YS_OVERRIDE - { - top_opt = "-auto-top"; - family_opt = "max10"; - vout_file = ""; - blif_file = ""; - retime = false; - flatten = true; - nobram = false; - noiopads = false; - } + void clear_flags() YS_OVERRIDE + { + top_opt = "-auto-top"; + family_opt = "max10"; + vout_file = ""; + blif_file = ""; + retime = false; + flatten = true; + nobram = false; + noiopads = false; + } - void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE - { - string run_from, run_to; - clear_flags(); + void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE + { + string run_from, run_to; + clear_flags(); - size_t argidx; - for (argidx = 1; argidx < args.size(); argidx++) - { - if (args[argidx] == "-family" && argidx+1 < args.size()) { - family_opt = args[++argidx]; - continue; - } - if (args[argidx] == "-top" && argidx+1 < args.size()) { - top_opt = "-top " + args[++argidx]; - continue; - } - if (args[argidx] == "-vqm" && argidx+1 < args.size()) { - vout_file = args[++argidx]; - continue; - } - if (args[argidx] == "-vpr" && argidx+1 < args.size()) { - blif_file = args[++argidx]; - continue; - } - if (args[argidx] == "-run" && argidx+1 < args.size()) { - size_t pos = args[argidx+1].find(':'); - if (pos == std::string::npos) - break; - run_from = args[++argidx].substr(0, pos); - run_to = args[argidx].substr(pos+1); - continue; - } - if (args[argidx] == "-noiopads") { - noiopads = true; - continue; - } - if (args[argidx] == "-nobram") { - nobram = true; - continue; - } - if (args[argidx] == "-noflatten") { - flatten = false; - continue; - } - if (args[argidx] == "-retime") { - retime = true; - continue; - } - break; - } - extra_args(args, argidx, design); + size_t argidx; + for (argidx = 1; argidx < args.size(); argidx++) { + if (args[argidx] == "-family" && argidx + 1 < args.size()) { + family_opt = args[++argidx]; + continue; + } + if (args[argidx] == "-top" && argidx + 1 < args.size()) { + top_opt = "-top " + args[++argidx]; + continue; + } + if (args[argidx] == "-vqm" && argidx + 1 < args.size()) { + vout_file = args[++argidx]; + continue; + } + if (args[argidx] == "-vpr" && argidx + 1 < args.size()) { + blif_file = args[++argidx]; + continue; + } + if (args[argidx] == "-run" && argidx + 1 < args.size()) { + size_t pos = args[argidx + 1].find(':'); + if (pos == std::string::npos) + break; + run_from = args[++argidx].substr(0, pos); + run_to = args[argidx].substr(pos + 1); + continue; + } + if (args[argidx] == "-noiopads") { + noiopads = true; + continue; + } + if (args[argidx] == "-nobram") { + nobram = true; + continue; + } + if (args[argidx] == "-noflatten") { + flatten = false; + continue; + } + if (args[argidx] == "-retime") { + retime = true; + continue; + } + break; + } + extra_args(args, argidx, design); - if (!design->full_selection()) - log_cmd_error("This command only operates on fully selected designs!\n"); - if (family_opt != "max10" && family_opt !="a10gx" && family_opt != "cyclonev" && family_opt !="cycloneiv" && family_opt !="cycloneive" && family_opt != "cyclone10") - log_cmd_error("Invalid or not family specified: '%s'\n", family_opt.c_str()); + if (!design->full_selection()) + log_cmd_error("This command only operates on fully selected designs!\n"); + if (family_opt != "max10" && family_opt != "a10gx" && family_opt != "cyclonev" && family_opt != "cycloneiv" && + family_opt != "cycloneive" && family_opt != "cyclone10") + log_cmd_error("Invalid or not family specified: '%s'\n", family_opt.c_str()); - log_header(design, "Executing SYNTH_INTEL pass.\n"); - log_push(); + log_header(design, "Executing SYNTH_INTEL pass.\n"); + log_push(); - run_script(design, run_from, run_to); + run_script(design, run_from, run_to); - log_pop(); - } + log_pop(); + } - void script() YS_OVERRIDE - { - if (check_label("begin")) - { - if(check_label("family") && family_opt=="max10") - run("read_verilog -sv -lib +/intel/max10/cells_sim.v"); - else if(check_label("family") && family_opt=="a10gx") - run("read_verilog -sv -lib +/intel/a10gx/cells_sim.v"); - else if(check_label("family") && family_opt=="cyclonev") - run("read_verilog -sv -lib +/intel/cyclonev/cells_sim.v"); - else if(check_label("family") && family_opt=="cyclone10") - run("read_verilog -sv -lib +/intel/cyclone10/cells_sim.v"); - else if(check_label("family") && family_opt=="cycloneiv") - run("read_verilog -sv -lib +/intel/cycloneiv/cells_sim.v"); - else - run("read_verilog -sv -lib +/intel/cycloneive/cells_sim.v"); - // Misc and common cells - run("read_verilog -sv -lib +/intel/common/m9k_bb.v"); - run("read_verilog -sv -lib +/intel/common/altpll_bb.v"); - run(stringf("hierarchy -check %s", help_mode ? "-top <top>" : top_opt.c_str())); - } + void script() YS_OVERRIDE + { + if (check_label("begin")) { + if (check_label("family") && family_opt == "max10") + run("read_verilog -sv -lib +/intel/max10/cells_sim.v"); + else if (check_label("family") && family_opt == "a10gx") + run("read_verilog -sv -lib +/intel/a10gx/cells_sim.v"); + else if (check_label("family") && family_opt == "cyclonev") + run("read_verilog -sv -lib +/intel/cyclonev/cells_sim.v"); + else if (check_label("family") && family_opt == "cyclone10") + run("read_verilog -sv -lib +/intel/cyclone10/cells_sim.v"); + else if (check_label("family") && family_opt == "cycloneiv") + run("read_verilog -sv -lib +/intel/cycloneiv/cells_sim.v"); + else + run("read_verilog -sv -lib +/intel/cycloneive/cells_sim.v"); + // Misc and common cells + run("read_verilog -sv -lib +/intel/common/m9k_bb.v"); + run("read_verilog -sv -lib +/intel/common/altpll_bb.v"); + run(stringf("hierarchy -check %s", help_mode ? "-top <top>" : top_opt.c_str())); + } - if (flatten && check_label("flatten", "(unless -noflatten)")) - { - run("proc"); - run("flatten"); - run("tribuf -logic"); - run("deminout"); - } + if (flatten && check_label("flatten", "(unless -noflatten)")) { + run("proc"); + run("flatten"); + run("tribuf -logic"); + run("deminout"); + } - if (check_label("coarse")) - { - run("synth -run coarse"); - } + if (check_label("coarse")) { + run("synth -run coarse"); + } - if (!nobram && check_label("bram", "(skip if -nobram)")) - { - run("memory_bram -rules +/intel/common/brams.txt"); - run("techmap -map +/intel/common/brams_map.v"); - } + if (!nobram && check_label("bram", "(skip if -nobram)")) { + run("memory_bram -rules +/intel/common/brams.txt"); + run("techmap -map +/intel/common/brams_map.v"); + } - if (check_label("fine")) - { - run("opt -fast -mux_undef -undriven -fine -full"); - run("memory_map"); - run("opt -undriven -fine"); - run("dffsr2dff"); - run("dff2dffe -direct-match $_DFF_*"); - run("opt -fine"); - run("techmap -map +/techmap.v"); - run("opt -full"); - run("clean -purge"); - run("setundef -undriven -zero"); - if (retime || help_mode) - run("abc -markgroups -dff", "(only if -retime)"); - } + if (check_label("fine")) { + run("opt -fast -mux_undef -undriven -fine -full"); + run("memory_map"); + run("opt -undriven -fine"); + run("dffsr2dff"); + run("dff2dffe -direct-match $_DFF_*"); + run("opt -fine"); + run("techmap -map +/techmap.v"); + run("opt -full"); + run("clean -purge"); + run("setundef -undriven -zero"); + if (retime || help_mode) + run("abc -markgroups -dff", "(only if -retime)"); + } - if (check_label("map_luts")) - { - if(family_opt=="a10gx" || family_opt=="cyclonev") - run("abc -luts 2:2,3,6:5" + string(retime ? " -dff" : "")); - else - run("abc -lut 4" + string(retime ? " -dff" : "")); - run("clean"); - } + if (check_label("map_luts")) { + if (family_opt == "a10gx" || family_opt == "cyclonev") + run("abc -luts 2:2,3,6:5" + string(retime ? " -dff" : "")); + else + run("abc -lut 4" + string(retime ? " -dff" : "")); + run("clean"); + } - if (check_label("map_cells")) - { - if (!noiopads) - run("iopadmap -bits -outpad $__outpad I:O -inpad $__inpad O:I", "(unless -noiopads)"); - if(family_opt=="max10") - run("techmap -map +/intel/max10/cells_map.v"); - else if(family_opt=="a10gx") - run("techmap -map +/intel/a10gx/cells_map.v"); - else if(family_opt=="cyclonev") - run("techmap -map +/intel/cyclonev/cells_map.v"); - else if(family_opt=="cyclone10") - run("techmap -map +/intel/cyclone10/cells_map.v"); - else if(family_opt=="cycloneiv") - run("techmap -map +/intel/cycloneiv/cells_map.v"); - else - run("techmap -map +/intel/cycloneive/cells_map.v"); - run("dffinit -highlow -ff dffeas q power_up"); - run("clean -purge"); - } + if (check_label("map_cells")) { + if (!noiopads) + run("iopadmap -bits -outpad $__outpad I:O -inpad $__inpad O:I", "(unless -noiopads)"); + if (family_opt == "max10") + run("techmap -map +/intel/max10/cells_map.v"); + else if (family_opt == "a10gx") + run("techmap -map +/intel/a10gx/cells_map.v"); + else if (family_opt == "cyclonev") + run("techmap -map +/intel/cyclonev/cells_map.v"); + else if (family_opt == "cyclone10") + run("techmap -map +/intel/cyclone10/cells_map.v"); + else if (family_opt == "cycloneiv") + run("techmap -map +/intel/cycloneiv/cells_map.v"); + else + run("techmap -map +/intel/cycloneive/cells_map.v"); + run("dffinit -highlow -ff dffeas q power_up"); + run("clean -purge"); + } - if (check_label("check")) - { - run("hierarchy -check"); - run("stat"); - run("check -noinit"); - } + if (check_label("check")) { + run("hierarchy -check"); + run("stat"); + run("check -noinit"); + } - if (check_label("vqm")) - { - if (!vout_file.empty() || help_mode) - run(stringf("write_verilog -attr2comment -defparam -nohex -decimal -renameprefix syn_ %s", - help_mode ? "<file-name>" : vout_file.c_str())); - } + if (check_label("vqm")) { + if (!vout_file.empty() || help_mode) + run(stringf("write_verilog -attr2comment -defparam -nohex -decimal -renameprefix syn_ %s", + help_mode ? "<file-name>" : vout_file.c_str())); + } - if (check_label("vpr")) - { - if (!blif_file.empty() || help_mode) - { - run(stringf("opt_clean -purge")); - run(stringf("write_blif %s", help_mode ? "<file-name>" : blif_file.c_str())); - } - } - } + if (check_label("vpr")) { + if (!blif_file.empty() || help_mode) { + run(stringf("opt_clean -purge")); + run(stringf("write_blif %s", help_mode ? "<file-name>" : blif_file.c_str())); + } + } + } } SynthIntelPass; PRIVATE_NAMESPACE_END diff --git a/techlibs/xilinx/cells_map.v b/techlibs/xilinx/cells_map.v index d5801c0f..40789ddb 100644 --- a/techlibs/xilinx/cells_map.v +++ b/techlibs/xilinx/cells_map.v @@ -17,4 +17,140 @@ * */ -// Empty for now +// Convert negative-polarity reset to positive-polarity +(* techmap_celltype = "$_DFF_NN0_" *) +module _90_dff_nn0_to_np0 (input D, C, R, output Q); \$_DFF_NP0_ _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(~R)); endmodule +(* techmap_celltype = "$_DFF_PN0_" *) +module _90_dff_pn0_to_pp0 (input D, C, R, output Q); \$_DFF_PP0_ _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(~R)); endmodule +(* techmap_celltype = "$_DFF_NN1_" *) +module _90_dff_nn1_to_np1 (input D, C, R, output Q); \$_DFF_NP1 _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(~R)); endmodule +(* techmap_celltype = "$_DFF_PN1_" *) +module _90_dff_pn1_to_pp1 (input D, C, R, output Q); \$_DFF_PP1 _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(~R)); endmodule + +module \$__SHREG_ (input C, input D, input E, output Q); + parameter DEPTH = 0; + parameter [DEPTH-1:0] INIT = 0; + parameter CLKPOL = 1; + parameter ENPOL = 2; + + \$__XILINX_SHREG_ #(.DEPTH(DEPTH), .INIT(INIT), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) _TECHMAP_REPLACE_ (.C(C), .D(D), .L(DEPTH-1), .E(E), .Q(Q)); +endmodule + +module \$__XILINX_SHREG_ (input C, input D, input [31:0] L, input E, output Q, output SO); + parameter DEPTH = 0; + parameter [DEPTH-1:0] INIT = 0; + parameter CLKPOL = 1; + parameter ENPOL = 2; + + // shregmap's INIT parameter shifts out LSB first; + // however Xilinx expects MSB first + function [DEPTH-1:0] brev; + input [DEPTH-1:0] din; + integer i; + begin + for (i = 0; i < DEPTH; i=i+1) + brev[i] = din[DEPTH-1-i]; + end + endfunction + localparam [DEPTH-1:0] INIT_R = brev(INIT); + + parameter _TECHMAP_CONSTMSK_L_ = 0; + parameter _TECHMAP_CONSTVAL_L_ = 0; + + wire CE; + generate + if (ENPOL == 0) + assign CE = ~E; + else if (ENPOL == 1) + assign CE = E; + else + assign CE = 1'b1; + if (DEPTH == 1) begin + if (CLKPOL) + FDRE #(.INIT(INIT_R)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(CE), .R(1'b0)); + else + FDRE_1 #(.INIT(INIT_R)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(CE), .R(1'b0)); + end else + if (DEPTH <= 16) begin + SRL16E #(.INIT(INIT_R), .IS_CLK_INVERTED(~CLKPOL[0])) _TECHMAP_REPLACE_ (.A0(L[0]), .A1(L[1]), .A2(L[2]), .A3(L[3]), .CE(CE), .CLK(C), .D(D), .Q(Q)); + end else + if (DEPTH > 17 && DEPTH <= 32) begin + SRLC32E #(.INIT(INIT_R), .IS_CLK_INVERTED(~CLKPOL[0])) _TECHMAP_REPLACE_ (.A(L[4:0]), .CE(CE), .CLK(C), .D(D), .Q(Q)); + end else + if (DEPTH > 33 && DEPTH <= 64) begin + wire T0, T1, T2; + SRLC32E #(.INIT(INIT_R[32-1:0]), .IS_CLK_INVERTED(~CLKPOL[0])) fpga_srl_0 (.A(L[4:0]), .CE(CE), .CLK(C), .D(D), .Q(T0), .Q31(T1)); + \$__XILINX_SHREG_ #(.DEPTH(DEPTH-32), .INIT(INIT[DEPTH-32-1:0]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_1 (.C(C), .D(T1), .L(L), .E(E), .Q(T2)); + if (&_TECHMAP_CONSTMSK_L_) + assign Q = T2; + else + MUXF7 fpga_mux_0 (.O(Q), .I0(T0), .I1(T2), .S(L[5])); + end else + if (DEPTH > 65 && DEPTH <= 96) begin + wire T0, T1, T2, T3, T4, T5, T6; + SRLC32E #(.INIT(INIT_R[32-1:0]), .IS_CLK_INVERTED(~CLKPOL[0])) fpga_srl_0 (.A(L[4:0]), .CE(CE), .CLK(C), .D(D), .Q(T0), .Q31(T1)); + SRLC32E #(.INIT(INIT_R[64-1:32]), .IS_CLK_INVERTED(~CLKPOL[0])) fpga_srl_1 (.A(L[4:0]), .CE(CE), .CLK(C), .D(T1), .Q(T2), .Q31(T3)); + \$__XILINX_SHREG_ #(.DEPTH(DEPTH-64), .INIT(INIT[DEPTH-64-1:0]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_2 (.C(C), .D(T3), .L(L[4:0]), .E(E), .Q(T4)); + if (&_TECHMAP_CONSTMSK_L_) + assign Q = T4; + else begin + MUXF7 fpga_mux_0 (.O(T5), .I0(T0), .I1(T2), .S(L[5])); + MUXF7 fpga_mux_1 (.O(T6), .I0(T4), .I1(1'b0 /* unused */), .S(L[5])); + MUXF8 fpga_mux_2 (.O(Q), .I0(T5), .I1(T6), .S(L[6])); + end + end else + if (DEPTH > 97 && DEPTH < 128) begin + wire T0, T1, T2, T3, T4, T5, T6, T7, T8; + SRLC32E #(.INIT(INIT_R[32-1:0]), .IS_CLK_INVERTED(~CLKPOL[0])) fpga_srl_0 (.A(L[4:0]), .CE(CE), .CLK(C), .D(D), .Q(T0), .Q31(T1)); + SRLC32E #(.INIT(INIT_R[64-1:32]), .IS_CLK_INVERTED(~CLKPOL[0])) fpga_srl_1 (.A(L[4:0]), .CE(CE), .CLK(C), .D(T1), .Q(T2), .Q31(T3)); + SRLC32E #(.INIT(INIT_R[96-1:64]), .IS_CLK_INVERTED(~CLKPOL[0])) fpga_srl_2 (.A(L[4:0]), .CE(CE), .CLK(C), .D(T3), .Q(T4), .Q31(T5)); + \$__XILINX_SHREG_ #(.DEPTH(DEPTH-96), .INIT(INIT[DEPTH-96-1:0]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_3 (.C(C), .D(T5), .L(L[4:0]), .E(E), .Q(T6)); + if (&_TECHMAP_CONSTMSK_L_) + assign Q = T6; + else begin + MUXF7 fpga_mux_0 (.O(T7), .I0(T0), .I1(T2), .S(L[5])); + MUXF7 fpga_mux_1 (.O(T8), .I0(T4), .I1(T6), .S(L[5])); + MUXF8 fpga_mux_2 (.O(Q), .I0(T7), .I1(T8), .S(L[6])); + end + end + else if (DEPTH == 128) begin + wire T0, T1, T2, T3, T4, T5, T6; + SRLC32E #(.INIT(INIT_R[32-1:0]), .IS_CLK_INVERTED(~CLKPOL[0])) fpga_srl_0 (.A(L[4:0]), .CE(CE), .CLK(C), .D(D), .Q(T0), .Q31(T1)); + SRLC32E #(.INIT(INIT_R[64-1:32]), .IS_CLK_INVERTED(~CLKPOL[0])) fpga_srl_1 (.A(L[4:0]), .CE(CE), .CLK(C), .D(T1), .Q(T2), .Q31(T3)); + SRLC32E #(.INIT(INIT_R[96-1:64]), .IS_CLK_INVERTED(~CLKPOL[0])) fpga_srl_2 (.A(L[4:0]), .CE(CE), .CLK(C), .D(T3), .Q(T4), .Q31(T5)); + SRLC32E #(.INIT(INIT_R[128-1:96]), .IS_CLK_INVERTED(~CLKPOL[0])) fpga_srl_3 (.A(L[4:0]), .CE(CE), .CLK(C), .D(T5), .Q(T6), .Q31(SO)); + if (&_TECHMAP_CONSTMSK_L_) + assign Q = T6; + else begin + wire T7, T8; + MUXF7 fpga_mux_0 (.O(T7), .I0(T0), .I1(T2), .S(L[5])); + MUXF7 fpga_mux_1 (.O(T8), .I0(T4), .I1(T6), .S(L[5])); + MUXF8 fpga_mux_2 (.O(Q), .I0(T7), .I1(T8), .S(L[6])); + end + end + else if (DEPTH <= 129 && ~&_TECHMAP_CONSTMSK_L_) begin + // Handle cases where fixed-length depth is + // just 1 over a convenient value + \$__XILINX_SHREG_ #(.DEPTH(DEPTH+1), .INIT({INIT,1'b0}), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) _TECHMAP_REPLACE_ (.C(C), .D(D), .L(L), .E(E), .Q(Q)); + end + else begin + localparam lower_clog2 = $clog2((DEPTH+1)/2); + localparam lower_depth = 2 ** lower_clog2; + wire T0, T1, T2, T3; + if (&_TECHMAP_CONSTMSK_L_) begin + \$__XILINX_SHREG_ #(.DEPTH(lower_depth), .INIT(INIT[DEPTH-1:DEPTH-lower_depth]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_0 (.C(C), .D(D), .L(lower_depth-1), .E(E), .Q(T0)); + \$__XILINX_SHREG_ #(.DEPTH(DEPTH-lower_depth), .INIT(INIT[DEPTH-lower_depth-1:0]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_1 (.C(C), .D(T0), .L(DEPTH-lower_depth-1), .E(E), .Q(Q), .SO(T3)); + end + else begin + \$__XILINX_SHREG_ #(.DEPTH(lower_depth), .INIT(INIT[DEPTH-1:DEPTH-lower_depth]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_0 (.C(C), .D(D), .L(L[lower_clog2-1:0]), .E(E), .Q(T0), .SO(T1)); + \$__XILINX_SHREG_ #(.DEPTH(DEPTH-lower_depth), .INIT(INIT[DEPTH-lower_depth-1:0]), .CLKPOL(CLKPOL), .ENPOL(ENPOL)) fpga_srl_1 (.C(C), .D(T1), .L(L[lower_clog2-1:0]), .E(E), .Q(T2), .SO(T3)); + assign Q = L[lower_clog2] ? T2 : T0; + end + if (DEPTH == 2 * lower_depth) + assign SO = T3; + end + endgenerate +endmodule + +`ifndef SRL_ONLY +`endif diff --git a/techlibs/xilinx/cells_sim.v b/techlibs/xilinx/cells_sim.v index ff5ff072..f4598dcf 100644 --- a/techlibs/xilinx/cells_sim.v +++ b/techlibs/xilinx/cells_sim.v @@ -30,10 +30,15 @@ module GND(output G); endmodule module IBUF(output O, input I); + parameter IOSTANDARD = "default"; + parameter IBUF_LOW_PWR = 0; assign O = I; endmodule module OBUF(output O, input I); + parameter IOSTANDARD = "default"; + parameter DRIVE = 12; + parameter SLEW = "SLOW"; assign O = I; endmodule @@ -41,6 +46,42 @@ module BUFG(output O, input I); assign O = I; endmodule +module BUFGCTRL( + output O, + input I0, input I1, + input S0, input S1, + input CE0, input CE1, + input IGNORE0, input IGNORE1); + +parameter [0:0] INIT_OUT = 1'b0; +parameter PRESELECT_I0 = "FALSE"; +parameter PRESELECT_I1 = "FALSE"; +parameter [0:0] IS_CE0_INVERTED = 1'b0; +parameter [0:0] IS_CE1_INVERTED = 1'b0; +parameter [0:0] IS_S0_INVERTED = 1'b0; +parameter [0:0] IS_S1_INVERTED = 1'b0; +parameter [0:0] IS_IGNORE0_INVERTED = 1'b0; +parameter [0:0] IS_IGNORE1_INVERTED = 1'b0; + +wire I0_internal = ((CE0 ^ IS_CE0_INVERTED) ? I0 : INIT_OUT); +wire I1_internal = ((CE1 ^ IS_CE1_INVERTED) ? I1 : INIT_OUT); +wire S0_true = (S0 ^ IS_S0_INVERTED); +wire S1_true = (S1 ^ IS_S1_INVERTED); + +assign O = S0_true ? I0_internal : (S1_true ? I1_internal : INIT_OUT); + +endmodule + +module BUFHCE(output O, input I, input CE); + +parameter [0:0] INIT_OUT = 1'b0; +parameter CE_TYPE = "SYNC"; +parameter [0:0] IS_CE_INVERTED = 1'b0; + +assign O = ((CE ^ IS_CE_INVERTED) ? I : INIT_OUT); + +endmodule + // module OBUFT(output O, input I, T); // assign O = T ? 1'bz : I; // endmodule @@ -98,6 +139,22 @@ module LUT6(output O, input I0, I1, I2, I3, I4, I5); assign O = I0 ? s1[1] : s1[0]; endmodule +module LUT6_2(output O6, output O5, input I0, I1, I2, I3, I4, I5); + parameter [63:0] INIT = 0; + wire [31: 0] s5 = I5 ? INIT[63:32] : INIT[31: 0]; + wire [15: 0] s4 = I4 ? s5[31:16] : s5[15: 0]; + wire [ 7: 0] s3 = I3 ? s4[15: 8] : s4[ 7: 0]; + wire [ 3: 0] s2 = I2 ? s3[ 7: 4] : s3[ 3: 0]; + wire [ 1: 0] s1 = I1 ? s2[ 3: 2] : s2[ 1: 0]; + assign O6 = I0 ? s1[1] : s1[0]; + + wire [15: 0] s5_4 = I4 ? INIT[31:16] : INIT[15: 0]; + wire [ 7: 0] s5_3 = I3 ? s5_4[15: 8] : s5_4[ 7: 0]; + wire [ 3: 0] s5_2 = I2 ? s5_3[ 7: 4] : s5_3[ 3: 0]; + wire [ 1: 0] s5_1 = I1 ? s5_2[ 3: 2] : s5_2[ 1: 0]; + assign O5 = I0 ? s5_1[1] : s5_1[0]; +endmodule + module MUXCY(output O, input CI, DI, S); assign O = S ? CI : DI; endmodule @@ -221,6 +278,23 @@ module FDPE_1 (output reg Q, input C, CE, D, PRE); always @(negedge C, posedge PRE) if (PRE) Q <= 1'b1; else if (CE) Q <= D; endmodule +module RAM32X1D ( + output DPO, SPO, + input D, WCLK, WE, + input A0, A1, A2, A3, A4, + input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4 +); + parameter INIT = 32'h0; + parameter IS_WCLK_INVERTED = 1'b0; + wire [4:0] a = {A4, A3, A2, A1, A0}; + wire [4:0] dpra = {DPRA4, DPRA3, DPRA2, DPRA1, DPRA0}; + reg [31:0] mem = INIT; + assign SPO = mem[a]; + assign DPO = mem[dpra]; + wire clk = WCLK ^ IS_WCLK_INVERTED; + always @(posedge clk) if (WE) mem[a] <= D; +endmodule + module RAM64X1D ( output DPO, SPO, input D, WCLK, WE, @@ -251,3 +325,42 @@ module RAM128X1D ( wire clk = WCLK ^ IS_WCLK_INVERTED; always @(posedge clk) if (WE) mem[A] <= D; endmodule + +module SRL16E ( + output Q, + input A0, A1, A2, A3, CE, CLK, D +); + parameter [15:0] INIT = 16'h0000; + parameter [0:0] IS_CLK_INVERTED = 1'b0; + + reg [15:0] r = INIT; + assign Q = r[{A3,A2,A1,A0}]; + generate + if (IS_CLK_INVERTED) begin + always @(negedge CLK) if (CE) r <= { r[14:0], D }; + end + else + always @(posedge CLK) if (CE) r <= { r[14:0], D }; + endgenerate +endmodule + +module SRLC32E ( + output Q, + output Q31, + input [4:0] A, + input CE, CLK, D +); + parameter [31:0] INIT = 32'h00000000; + parameter [0:0] IS_CLK_INVERTED = 1'b0; + + reg [31:0] r = INIT; + assign Q31 = r[31]; + assign Q = r[A]; + generate + if (IS_CLK_INVERTED) begin + always @(negedge CLK) if (CE) r <= { r[30:0], D }; + end + else + always @(posedge CLK) if (CE) r <= { r[30:0], D }; + endgenerate +endmodule diff --git a/techlibs/xilinx/cells_xtra.sh b/techlibs/xilinx/cells_xtra.sh index 56520ea1..83863bf0 100644 --- a/techlibs/xilinx/cells_xtra.sh +++ b/techlibs/xilinx/cells_xtra.sh @@ -28,12 +28,12 @@ function xtract_cell_decl() # xtract_cell_decl BUFG xtract_cell_decl BUFGCE xtract_cell_decl BUFGCE_1 - xtract_cell_decl BUFGCTRL + #xtract_cell_decl BUFGCTRL xtract_cell_decl BUFGMUX xtract_cell_decl BUFGMUX_1 xtract_cell_decl BUFGMUX_CTRL xtract_cell_decl BUFH - xtract_cell_decl BUFHCE + #xtract_cell_decl BUFHCE xtract_cell_decl BUFIO xtract_cell_decl BUFMR xtract_cell_decl BUFMRCE @@ -92,7 +92,7 @@ function xtract_cell_decl() # xtract_cell_decl LUT4 # xtract_cell_decl LUT5 # xtract_cell_decl LUT6 - xtract_cell_decl LUT6_2 + #xtract_cell_decl LUT6_2 xtract_cell_decl MMCME2_ADV xtract_cell_decl MMCME2_BASE # xtract_cell_decl MUXF7 @@ -116,11 +116,11 @@ function xtract_cell_decl() xtract_cell_decl PS7 "(* keep *)" xtract_cell_decl PULLDOWN xtract_cell_decl PULLUP - xtract_cell_decl RAM128X1D + #xtract_cell_decl RAM128X1D xtract_cell_decl RAM128X1S xtract_cell_decl RAM256X1S xtract_cell_decl RAM32M - xtract_cell_decl RAM32X1D + #xtract_cell_decl RAM32X1D xtract_cell_decl RAM32X1S xtract_cell_decl RAM32X1S_1 xtract_cell_decl RAM32X2S @@ -135,8 +135,8 @@ function xtract_cell_decl() xtract_cell_decl ROM256X1 xtract_cell_decl ROM32X1 xtract_cell_decl ROM64X1 - xtract_cell_decl SRL16E - xtract_cell_decl SRLC32E + #xtract_cell_decl SRL16E + #xtract_cell_decl SRLC32E xtract_cell_decl STARTUPE2 "(* keep *)" xtract_cell_decl USR_ACCESSE2 xtract_cell_decl XADC diff --git a/techlibs/xilinx/cells_xtra.v b/techlibs/xilinx/cells_xtra.v index 497518d3..6220da70 100644 --- a/techlibs/xilinx/cells_xtra.v +++ b/techlibs/xilinx/cells_xtra.v @@ -30,29 +30,6 @@ module BUFGCE_1 (...); input CE, I; endmodule -module BUFGCTRL (...); - output O; - input CE0; - input CE1; - input I0; - input I1; - input IGNORE0; - input IGNORE1; - input S0; - input S1; - parameter integer INIT_OUT = 0; - parameter PRESELECT_I0 = "FALSE"; - parameter PRESELECT_I1 = "FALSE"; - parameter [0:0] IS_CE0_INVERTED = 1'b0; - parameter [0:0] IS_CE1_INVERTED = 1'b0; - parameter [0:0] IS_I0_INVERTED = 1'b0; - parameter [0:0] IS_I1_INVERTED = 1'b0; - parameter [0:0] IS_IGNORE0_INVERTED = 1'b0; - parameter [0:0] IS_IGNORE1_INVERTED = 1'b0; - parameter [0:0] IS_S0_INVERTED = 1'b0; - parameter [0:0] IS_S1_INVERTED = 1'b0; -endmodule - module BUFGMUX (...); parameter CLK_SEL_TYPE = "SYNC"; output O; @@ -77,15 +54,6 @@ module BUFH (...); input I; endmodule -module BUFHCE (...); - parameter CE_TYPE = "SYNC"; - parameter integer INIT_OUT = 0; - parameter [0:0] IS_CE_INVERTED = 1'b0; - output O; - input CE; - input I; -endmodule - module BUFIO (...); output O; input I; @@ -2420,12 +2388,6 @@ module LDPE (...); input D, G, GE, PRE; endmodule -module LUT6_2 (...); - parameter [63:0] INIT = 64'h0000000000000000; - input I0, I1, I2, I3, I4, I5; - output O5, O6; -endmodule - module MMCME2_ADV (...); parameter BANDWIDTH = "OPTIMIZED"; parameter real CLKFBOUT_MULT_F = 5.000; @@ -3693,17 +3655,6 @@ module PULLUP (...); output O; endmodule -module RAM128X1D (...); - parameter [127:0] INIT = 128'h00000000000000000000000000000000; - parameter [0:0] IS_WCLK_INVERTED = 1'b0; - output DPO, SPO; - input [6:0] A; - input [6:0] DPRA; - input D; - input WCLK; - input WE; -endmodule - module RAM128X1S (...); parameter [127:0] INIT = 128'h00000000000000000000000000000000; parameter [0:0] IS_WCLK_INVERTED = 1'b0; @@ -3743,13 +3694,6 @@ module RAM32M (...); input WE; endmodule -module RAM32X1D (...); - parameter [31:0] INIT = 32'h00000000; - parameter [0:0] IS_WCLK_INVERTED = 1'b0; - output DPO, SPO; - input A0, A1, A2, A3, A4, D, DPRA0, DPRA1, DPRA2, DPRA3, DPRA4, WCLK, WE; -endmodule - module RAM32X1S (...); parameter [31:0] INIT = 32'h00000000; parameter [0:0] IS_WCLK_INVERTED = 1'b0; @@ -3847,22 +3791,6 @@ module ROM64X1 (...); input A0, A1, A2, A3, A4, A5; endmodule -module SRL16E (...); - parameter [15:0] INIT = 16'h0000; - parameter [0:0] IS_CLK_INVERTED = 1'b0; - output Q; - input A0, A1, A2, A3, CE, CLK, D; -endmodule - -module SRLC32E (...); - parameter [31:0] INIT = 32'h00000000; - parameter [0:0] IS_CLK_INVERTED = 1'b0; - output Q; - output Q31; - input [4:0] A; - input CE, CLK, D; -endmodule - (* keep *) module STARTUPE2 (...); parameter PROG_USR = "FALSE"; diff --git a/techlibs/xilinx/drams.txt b/techlibs/xilinx/drams.txt index e6635d0e..2613c206 100644 --- a/techlibs/xilinx/drams.txt +++ b/techlibs/xilinx/drams.txt @@ -1,4 +1,17 @@ +bram $__XILINX_RAM32X1D + init 1 + abits 5 + dbits 1 + groups 2 + ports 1 1 + wrmode 0 1 + enable 0 1 + transp 0 0 + clocks 0 1 + clkpol 0 2 +endbram + bram $__XILINX_RAM64X1D init 1 abits 6 @@ -25,12 +38,23 @@ bram $__XILINX_RAM128X1D clkpol 0 2 endbram +match $__XILINX_RAM32X1D + min bits 3 + min wports 1 + make_outreg + or_next_if_better +endmatch + match $__XILINX_RAM64X1D + min bits 5 + min wports 1 make_outreg or_next_if_better endmatch match $__XILINX_RAM128X1D + min bits 9 + min wports 1 make_outreg endmatch diff --git a/techlibs/xilinx/drams_map.v b/techlibs/xilinx/drams_map.v index 47476b59..77041ca8 100644 --- a/techlibs/xilinx/drams_map.v +++ b/techlibs/xilinx/drams_map.v @@ -1,4 +1,38 @@ +module \$__XILINX_RAM32X1D (CLK1, A1ADDR, A1DATA, B1ADDR, B1DATA, B1EN); + parameter [31:0] INIT = 32'bx; + parameter CLKPOL2 = 1; + input CLK1; + + input [4:0] A1ADDR; + output A1DATA; + + input [4:0] B1ADDR; + input B1DATA; + input B1EN; + + RAM32X1D #( + .INIT(INIT), + .IS_WCLK_INVERTED(!CLKPOL2) + ) _TECHMAP_REPLACE_ ( + .DPRA0(A1ADDR[0]), + .DPRA1(A1ADDR[1]), + .DPRA2(A1ADDR[2]), + .DPRA3(A1ADDR[3]), + .DPRA4(A1ADDR[4]), + .DPO(A1DATA), + + .A0(B1ADDR[0]), + .A1(B1ADDR[1]), + .A2(B1ADDR[2]), + .A3(B1ADDR[3]), + .A4(B1ADDR[4]), + .D(B1DATA), + .WCLK(CLK1), + .WE(B1EN) + ); +endmodule + module \$__XILINX_RAM64X1D (CLK1, A1ADDR, A1DATA, B1ADDR, B1DATA, B1EN); parameter [63:0] INIT = 64'bx; parameter CLKPOL2 = 1; diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index 805ae8e6..7dc9915e 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -25,18 +25,9 @@ USING_YOSYS_NAMESPACE PRIVATE_NAMESPACE_BEGIN -bool check_label(bool &active, std::string run_from, std::string run_to, std::string label) +struct SynthXilinxPass : public ScriptPass { - if (label == run_from) - active = true; - if (label == run_to) - active = false; - return active; -} - -struct SynthXilinxPass : public Pass -{ - SynthXilinxPass() : Pass("synth_xilinx", "synthesis for Xilinx FPGAs") { } + SynthXilinxPass() : ScriptPass("synth_xilinx", "synthesis for Xilinx FPGAs") { } void help() YS_OVERRIDE { @@ -51,6 +42,11 @@ struct SynthXilinxPass : public Pass log(" -top <module>\n"); log(" use the specified module as top module\n"); log("\n"); + log(" -family {xcup|xcu|xc7|xc6s}\n"); + log(" run synthesis for the specified Xilinx architecture\n"); + log(" generate the synthesis netlist for the specified family.\n"); + log(" default: xc7\n"); + log("\n"); log(" -edif <file>\n"); log(" write the design to the specified edif file. writing of an output file\n"); log(" is omitted if this parameter is not specified.\n"); @@ -64,10 +60,19 @@ struct SynthXilinxPass : public Pass log(" (this feature is experimental and incomplete)\n"); log("\n"); log(" -nobram\n"); - log(" disable infering of block rams\n"); + log(" disable inference of block rams\n"); log("\n"); log(" -nodram\n"); - log(" disable infering of distributed rams\n"); + log(" disable inference of distributed rams\n"); + log("\n"); + log(" -nosrl\n"); + log(" disable inference of shift registers\n"); + log("\n"); + log(" -nocarry\n"); + log(" do not use XORCY/MUXCY/CARRY4 cells in output netlist\n"); + log("\n"); + log(" -nowidelut\n"); + log(" do not use MUXF[78] resources to implement LUTs larger than LUT6s\n"); log("\n"); log(" -run <from_label>:<to_label>\n"); log(" only run the commands between the labels (see below). an empty\n"); @@ -82,71 +87,33 @@ struct SynthXilinxPass : public Pass log("\n"); log("\n"); log("The following commands are executed by this synthesis command:\n"); - log("\n"); - log(" begin:\n"); - log(" read_verilog -lib +/xilinx/cells_sim.v\n"); - log(" read_verilog -lib +/xilinx/cells_xtra.v\n"); - log(" read_verilog -lib +/xilinx/brams_bb.v\n"); - log(" hierarchy -check -top <top>\n"); - log("\n"); - log(" flatten: (only if -flatten)\n"); - log(" proc\n"); - log(" flatten\n"); - log("\n"); - log(" coarse:\n"); - log(" synth -run coarse\n"); - log("\n"); - log(" bram: (only executed when '-nobram' is not given)\n"); - log(" memory_bram -rules +/xilinx/brams.txt\n"); - log(" techmap -map +/xilinx/brams_map.v\n"); - log("\n"); - log(" dram: (only executed when '-nodram' is not given)\n"); - log(" memory_bram -rules +/xilinx/drams.txt\n"); - log(" techmap -map +/xilinx/drams_map.v\n"); - log("\n"); - log(" fine:\n"); - log(" opt -fast -full\n"); - log(" memory_map\n"); - log(" dffsr2dff\n"); - log(" dff2dffe\n"); - log(" opt -full\n"); - log(" techmap -map +/techmap.v -map +/xilinx/arith_map.v -map +/xilinx/ff_map.v\n"); - log(" opt -fast\n"); - log("\n"); - log(" map_luts:\n"); - log(" abc -luts 2:2,3,6:5,10,20 [-dff] (without '-vpr' only!)\n"); - log(" abc -lut 5 [-dff] (with '-vpr' only!)\n"); - log(" clean\n"); - log("\n"); - log(" map_cells:\n"); - log(" techmap -map +/xilinx/cells_map.v\n"); - log(" dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT -ff FDSE Q INIT \\\n"); - log(" -ff FDRE_1 Q INIT -ff FDCE_1 Q INIT -ff FDPE_1 Q INIT -ff FDSE_1 Q INIT\n"); - log(" clean\n"); - log("\n"); - log(" check:\n"); - log(" hierarchy -check\n"); - log(" stat\n"); - log(" check -noinit\n"); - log("\n"); - log(" edif: (only if -edif)\n"); - log(" write_edif <file-name>\n"); - log("\n"); - log(" blif: (only if -blif)\n"); - log(" write_blif <file-name>\n"); + help_script(); log("\n"); } + + std::string top_opt, edif_file, blif_file, family; + bool flatten, retime, vpr, nobram, nodram, nosrl, nocarry, nowidelut; + + void clear_flags() YS_OVERRIDE + { + top_opt = "-auto-top"; + edif_file.clear(); + blif_file.clear(); + flatten = false; + retime = false; + vpr = false; + nobram = false; + nodram = false; + nosrl = false; + nocarry = false; + nowidelut = false; + family = "xc7"; + } + void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE { - std::string top_opt = "-auto-top"; - std::string edif_file; - std::string blif_file; std::string run_from, run_to; - bool flatten = false; - bool retime = false; - bool vpr = false; - bool nobram = false; - bool nodram = false; + clear_flags(); size_t argidx; for (argidx = 1; argidx < args.size(); argidx++) @@ -155,6 +122,10 @@ struct SynthXilinxPass : public Pass top_opt = "-top " + args[++argidx]; continue; } + if ((args[argidx] == "-family" || args[argidx] == "-arch") && argidx+1 < args.size()) { + family = args[++argidx]; + continue; + } if (args[argidx] == "-edif" && argidx+1 < args.size()) { edif_file = args[++argidx]; continue; @@ -179,6 +150,14 @@ struct SynthXilinxPass : public Pass retime = true; continue; } + if (args[argidx] == "-nocarry") { + nocarry = true; + continue; + } + if (args[argidx] == "-nowidelut") { + nowidelut = true; + continue; + } if (args[argidx] == "-vpr") { vpr = true; continue; @@ -191,114 +170,140 @@ struct SynthXilinxPass : public Pass nodram = true; continue; } + if (args[argidx] == "-nosrl") { + nosrl = true; + continue; + } break; } extra_args(args, argidx, design); + if (family != "xcup" && family != "xcu" && family != "xc7" && family != "xc6s") + log_cmd_error("Invalid Xilinx -family setting: %s\n", family.c_str()); + if (!design->full_selection()) log_cmd_error("This command only operates on fully selected designs!\n"); - bool active = run_from.empty(); - log_header(design, "Executing SYNTH_XILINX pass.\n"); log_push(); - if (check_label(active, run_from, run_to, "begin")) - { - if (vpr) { - Pass::call(design, "read_verilog -lib -D_EXPLICIT_CARRY +/xilinx/cells_sim.v"); - } else { - Pass::call(design, "read_verilog -lib +/xilinx/cells_sim.v"); - } + run_script(design, run_from, run_to); - Pass::call(design, "read_verilog -lib +/xilinx/cells_xtra.v"); + log_pop(); + } - if (!nobram) { - Pass::call(design, "read_verilog -lib +/xilinx/brams_bb.v"); - } + void script() YS_OVERRIDE + { + if (check_label("begin")) { + if (vpr) + run("read_verilog -lib -D_EXPLICIT_CARRY +/xilinx/cells_sim.v"); + else + run("read_verilog -lib +/xilinx/cells_sim.v"); + + run("read_verilog -lib +/xilinx/cells_xtra.v"); - Pass::call(design, stringf("hierarchy -check %s", top_opt.c_str())); + if (!nobram || help_mode) + run("read_verilog -lib +/xilinx/brams_bb.v", "(skip if '-nobram')"); + + run(stringf("hierarchy -check %s", top_opt.c_str())); } - if (flatten && check_label(active, run_from, run_to, "flatten")) - { - Pass::call(design, "proc"); - Pass::call(design, "flatten"); + if (check_label("flatten", "(with '-flatten' only)")) { + if (flatten || help_mode) { + run("proc"); + run("flatten"); + } } - if (check_label(active, run_from, run_to, "coarse")) - { - Pass::call(design, "synth -run coarse"); + if (check_label("coarse")) { + run("synth -run coarse"); } - if (check_label(active, run_from, run_to, "bram")) - { - if (!nobram) { - Pass::call(design, "memory_bram -rules +/xilinx/brams.txt"); - Pass::call(design, "techmap -map +/xilinx/brams_map.v"); + if (check_label("bram", "(skip if '-nobram')")) { + if (!nobram || help_mode) { + run("memory_bram -rules +/xilinx/brams.txt"); + run("techmap -map +/xilinx/brams_map.v"); } } - if (check_label(active, run_from, run_to, "dram")) - { - if (!nodram) { - Pass::call(design, "memory_bram -rules +/xilinx/drams.txt"); - Pass::call(design, "techmap -map +/xilinx/drams_map.v"); + if (check_label("dram", "(skip if '-nodram')")) { + if (!nodram || help_mode) { + run("memory_bram -rules +/xilinx/drams.txt"); + run("techmap -map +/xilinx/drams_map.v"); } } - if (check_label(active, run_from, run_to, "fine")) - { - Pass::call(design, "opt -fast -full"); - Pass::call(design, "memory_map"); - Pass::call(design, "dffsr2dff"); - Pass::call(design, "dff2dffe"); - Pass::call(design, "opt -full"); - - if (vpr) { - Pass::call(design, "techmap -map +/techmap.v -map +/xilinx/arith_map.v -map +/xilinx/ff_map.v -D _EXPLICIT_CARRY"); - } else { - Pass::call(design, "techmap -map +/techmap.v -map +/xilinx/arith_map.v -map +/xilinx/ff_map.v"); + if (check_label("fine")) { + // shregmap -tech xilinx can cope with $shiftx and $mux + // cells for identifiying variable-length shift registers, + // so attempt to convert $pmux-es to the former + if (!nosrl || help_mode) + run("pmux2shiftx", "(skip if '-nosrl')"); + + run("opt -fast -full"); + run("memory_map"); + run("dffsr2dff"); + run("dff2dffe"); + run("opt -full"); + + if (!nosrl || help_mode) { + // shregmap operates on bit-level flops, not word-level, + // so break those down here + run("simplemap t:$dff t:$dffe", "(skip if '-nosrl')"); + // shregmap with '-tech xilinx' infers variable length shift regs + run("shregmap -tech xilinx -minlen 3", "(skip if '-nosrl')"); } - Pass::call(design, "hierarchy -check"); - Pass::call(design, "opt -fast"); + if (help_mode) + run("techmap -map +/techmap.v [-map +/xilinx/arith_map.v]", "(skip if '-nocarry')"); + else if (!nocarry) { + if (!vpr) + run("techmap -map +/techmap.v -map +/xilinx/arith_map.v"); + else + run("techmap -map +/techmap.v -map +/xilinx/arith_map.v -D _EXPLICIT_CARRY"); + } + + run("opt -fast"); } - if (check_label(active, run_from, run_to, "map_luts")) - { - Pass::call(design, "abc -luts 2:2,3,6:5,10,20" + string(retime ? " -dff" : "")); - Pass::call(design, "clean"); - Pass::call(design, "techmap -map +/xilinx/lut_map.v"); + if (check_label("map_cells")) { + run("techmap -map +/techmap.v -map +/xilinx/cells_map.v"); + run("clean"); } - if (check_label(active, run_from, run_to, "map_cells")) - { - Pass::call(design, "techmap -map +/xilinx/cells_map.v"); - Pass::call(design, "dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT -ff FDSE Q INIT " + if (check_label("map_luts")) { + if (help_mode) + run("abc -luts 2:2,3,6:5[,10,20] [-dff]", "(skip if 'nowidelut', only for '-retime')"); + else if (nowidelut) + run("abc -luts 2:2,3,6:5" + string(retime ? " -dff" : "")); + else + run("abc -luts 2:2,3,6:5,10,20" + string(retime ? " -dff" : "")); + run("clean"); + // This shregmap call infers fixed length shift registers after abc + // has performed any necessary retiming + if (!nosrl || help_mode) + run("shregmap -minlen 3 -init -params -enpol any_or_none", "(skip if '-nosrl')"); + run("techmap -map +/xilinx/lut_map.v -map +/xilinx/ff_map.v -map +/xilinx/cells_map.v"); + run("dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT -ff FDSE Q INIT " "-ff FDRE_1 Q INIT -ff FDCE_1 Q INIT -ff FDPE_1 Q INIT -ff FDSE_1 Q INIT"); - Pass::call(design, "clean"); + run("clean"); } - if (check_label(active, run_from, run_to, "check")) - { - Pass::call(design, "hierarchy -check"); - Pass::call(design, "stat"); - Pass::call(design, "check -noinit"); + if (check_label("check")) { + run("hierarchy -check"); + run("stat -tech xilinx"); + run("check -noinit"); } - if (check_label(active, run_from, run_to, "edif")) - { - if (!edif_file.empty()) - Pass::call(design, stringf("write_edif -pvector bra %s", edif_file.c_str())); - } - if (check_label(active, run_from, run_to, "blif")) - { - if (!blif_file.empty()) - Pass::call(design, stringf("write_blif %s", edif_file.c_str())); + if (check_label("edif")) { + if (!edif_file.empty() || help_mode) + run(stringf("write_edif -pvector bra %s", edif_file.c_str())); } - log_pop(); + if (check_label("blif")) { + if (!blif_file.empty() || help_mode) + run(stringf("write_blif %s", edif_file.c_str())); + } } } SynthXilinxPass; |