From 01ea72f53a9707d741a1178d0ac4c4f69d6b65db Mon Sep 17 00:00:00 2001 From: David Shah Date: Mon, 21 Jan 2019 12:33:47 +0000 Subject: ecp5: Increase threshold for ALU mapping Signed-off-by: David Shah --- techlibs/ecp5/arith_map.v | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'techlibs') diff --git a/techlibs/ecp5/arith_map.v b/techlibs/ecp5/arith_map.v index 1094c5f8a..eb7947601 100644 --- a/techlibs/ecp5/arith_map.v +++ b/techlibs/ecp5/arith_map.v @@ -33,7 +33,7 @@ module _80_ecp5_alu (A, B, CI, BI, X, Y, CO); input CI, BI; output [Y_WIDTH-1:0] CO; - wire _TECHMAP_FAIL_ = Y_WIDTH <= 2; + wire _TECHMAP_FAIL_ = Y_WIDTH <= 4; wire [Y_WIDTH-1:0] A_buf, B_buf; \$pos #(.A_SIGNED(A_SIGNED), .A_WIDTH(A_WIDTH), .Y_WIDTH(Y_WIDTH)) A_conv (.A(A), .Y(A_buf)); -- cgit v1.2.3 From d8003e87d1c5962e660ce84150239444b7fb037d Mon Sep 17 00:00:00 2001 From: David Shah Date: Mon, 21 Jan 2019 12:34:34 +0000 Subject: ecp5: More blackboxes Signed-off-by: David Shah --- techlibs/ecp5/cells_bb.v | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'techlibs') diff --git a/techlibs/ecp5/cells_bb.v b/techlibs/ecp5/cells_bb.v index 425d62d24..32fb5c1ef 100644 --- a/techlibs/ecp5/cells_bb.v +++ b/techlibs/ecp5/cells_bb.v @@ -156,6 +156,23 @@ module OSCG( parameter DIV = 128; endmodule +(* blackbox *) (* keep *) +module USRMCLK( + input USRMCLKI, USRMCLKTS, + output USRMCLKO +); +endmodule + +(* blackbox *) (* keep *) +module JTAGG( + input TCK, TMS, TDI, JTDO2, JTDO1, + output TDO, JTDI, JTCK, JRTI2, JRTI1, + output JSHIFT, JUPDATE, JRSTN, JCE2, JCE1 +); +parameter ER1 = "ENABLED"; +parameter ER2 = "ENABLED"; +endmodule + (* blackbox *) module IDDRX1F( input D, SCLK, RST, -- cgit v1.2.3 From ee8c9e854f0b5f6500d030d4c700b29f042fb57f Mon Sep 17 00:00:00 2001 From: David Shah Date: Mon, 21 Jan 2019 12:35:22 +0000 Subject: ecp5: Add LSRMODE to flipflops for PRLD support Signed-off-by: David Shah --- techlibs/ecp5/cells_sim.v | 23 ++++++++++++++++------- 1 file changed, 16 insertions(+), 7 deletions(-) (limited to 'techlibs') diff --git a/techlibs/ecp5/cells_sim.v b/techlibs/ecp5/cells_sim.v index 507ab1beb..ca5d020f3 100644 --- a/techlibs/ecp5/cells_sim.v +++ b/techlibs/ecp5/cells_sim.v @@ -203,13 +203,14 @@ endmodule // --------------------------------------- -module TRELLIS_FF(input CLK, LSR, CE, DI, output reg Q); +module TRELLIS_FF(input CLK, LSR, CE, DI, M, output reg Q); parameter GSR = "ENABLED"; parameter [127:0] CEMUX = "1"; parameter CLKMUX = "CLK"; parameter LSRMUX = "LSR"; parameter SRMODE = "LSR_OVER_CE"; parameter REGSET = "RESET"; + parameter [127:0] LSRMODE = "LSR"; reg muxce; always @(*) @@ -222,8 +223,12 @@ module TRELLIS_FF(input CLK, LSR, CE, DI, output reg Q); wire muxlsr = (LSRMUX == "INV") ? ~LSR : LSR; wire muxclk = (CLKMUX == "INV") ? ~CLK : CLK; - - localparam srval = (REGSET == "SET") ? 1'b1 : 1'b0; + generate + if (LSRMODE == "PRLD") + wire srval = M; + else + localparam srval = (REGSET == "SET") ? 1'b1 : 1'b0; + endgenerate initial Q = srval; @@ -339,6 +344,8 @@ module TRELLIS_SLICE( parameter REG1_SD = "0"; parameter REG0_REGSET = "RESET"; parameter REG1_REGSET = "RESET"; + parameter REG0_LSRMODE = "LSR"; + parameter REG1_LSRMODE = "LSR"; parameter [127:0] CCU2_INJECT1_0 = "NO"; parameter [127:0] CCU2_INJECT1_1 = "NO"; parameter WREMUX = "WRE"; @@ -428,10 +435,11 @@ module TRELLIS_SLICE( .CLKMUX(CLKMUX), .LSRMUX(LSRMUX), .SRMODE(SRMODE), - .REGSET(REG0_REGSET) + .REGSET(REG0_REGSET), + .LSRMODE(REG0_LSRMODE) ) ff_0 ( .CLK(CLK), .LSR(LSR), .CE(CE), - .DI(muxdi0), + .DI(muxdi0), .M(M0), .Q(Q0) ); TRELLIS_FF #( @@ -440,10 +448,11 @@ module TRELLIS_SLICE( .CLKMUX(CLKMUX), .LSRMUX(LSRMUX), .SRMODE(SRMODE), - .REGSET(REG1_REGSET) + .REGSET(REG1_REGSET), + .LSRMODE(REG1_LSRMODE) ) ff_1 ( .CLK(CLK), .LSR(LSR), .CE(CE), - .DI(muxdi1), + .DI(muxdi1), .M(M1), .Q(Q1) ); endmodule -- cgit v1.2.3 From 549b8e74b2cef41a23e609bdb65c5b04b3141a61 Mon Sep 17 00:00:00 2001 From: David Shah Date: Fri, 30 Nov 2018 19:29:03 +0000 Subject: ecp5: Support for flipflop initialisation Signed-off-by: David Shah --- techlibs/ecp5/Makefile.inc | 2 +- techlibs/ecp5/ecp5_ffinit.cc | 198 +++++++++++++++++++++++++++++++++++++++++++ techlibs/ecp5/synth_ecp5.cc | 3 - 3 files changed, 199 insertions(+), 4 deletions(-) create mode 100644 techlibs/ecp5/ecp5_ffinit.cc (limited to 'techlibs') diff --git a/techlibs/ecp5/Makefile.inc b/techlibs/ecp5/Makefile.inc index 8df02be5f..4db087e87 100644 --- a/techlibs/ecp5/Makefile.inc +++ b/techlibs/ecp5/Makefile.inc @@ -1,5 +1,5 @@ -OBJS += techlibs/ecp5/synth_ecp5.o +OBJS += techlibs/ecp5/synth_ecp5.o techlibs/ecp5/ecp5_ffinit.o $(eval $(call add_share_file,share/ecp5,techlibs/ecp5/cells_map.v)) $(eval $(call add_share_file,share/ecp5,techlibs/ecp5/cells_sim.v)) diff --git a/techlibs/ecp5/ecp5_ffinit.cc b/techlibs/ecp5/ecp5_ffinit.cc new file mode 100644 index 000000000..02945fff4 --- /dev/null +++ b/techlibs/ecp5/ecp5_ffinit.cc @@ -0,0 +1,198 @@ +/* + * yosys -- Yosys Open SYnthesis Suite + * + * Copyright (C) 2012 Clifford Wolf + * Copyright (C) 2018-19 David Shah + * + * 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 Ecp5FfinitPass : public Pass { + Ecp5FfinitPass() : Pass("ecp5_ffinit", "ECP5: handle FF init values") { } + void help() YS_OVERRIDE + { + // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| + log("\n"); + log(" ecp5_ffinit [options] [selection]\n"); + log("\n"); + log("Remove init values for FF output signals when equal to reset value.\n"); + log("If reset is not used, set the reset value to the init value, otherwise\n"); + log("unmap out the reset (if not an async reset).\n"); + } + void execute(std::vector args, RTLIL::Design *design) YS_OVERRIDE + { + log_header(design, "Executing ECP5_FFINIT pass (implement FF init values).\n"); + + size_t argidx; + for (argidx = 1; argidx < args.size(); argidx++) + { + // if (args[argidx] == "-singleton") { + // singleton_mode = true; + // continue; + // } + break; + } + extra_args(args, argidx, design); + + for (auto module : design->selected_modules()) + { + log("Handling FF init values in %s.\n", log_id(module)); + + SigMap sigmap(module); + pool init_wires; + dict initbits; + dict initbit_to_wire; + pool handled_initbits; + + for (auto wire : module->selected_wires()) + { + if (wire->attributes.count("\\init") == 0) + continue; + + SigSpec wirebits = sigmap(wire); + Const initval = wire->attributes.at("\\init"); + init_wires.insert(wire); + + for (int i = 0; i < GetSize(wirebits) && i < GetSize(initval); i++) + { + SigBit bit = wirebits[i]; + State val = initval[i]; + + if (val != State::S0 && val != State::S1) + continue; + + if (initbits.count(bit)) { + if (initbits.at(bit) != val) + log_error("Conflicting init values for signal %s (%s = %s, %s = %s).\n", + log_signal(bit), log_signal(SigBit(wire, i)), log_signal(val), + log_signal(initbit_to_wire[bit]), log_signal(initbits.at(bit))); + continue; + } + + initbits[bit] = val; + initbit_to_wire[bit] = SigBit(wire, i); + } + } + for (auto cell : module->selected_cells()) + { + if (cell->type != "\\TRELLIS_FF") + continue; + SigSpec sig_d = cell->getPort("\\DI"); + SigSpec sig_q = cell->getPort("\\Q"); + SigSpec sig_lsr = cell->getPort("\\LSR"); + + if (GetSize(sig_d) < 1 || GetSize(sig_q) < 1) + continue; + + SigBit bit_d = sigmap(sig_d[0]); + SigBit bit_q = sigmap(sig_q[0]); + + std::string regset = "RESET"; + if (cell->hasParam("\\REGSET")) + regset = cell->getParam("\\REGSET").decode_string(); + State resetState; + if (regset == "SET") + resetState = State::S1; + else if (regset == "RESET") + resetState = State::S0; + else + log_error("FF cell %s has illegal REGSET value %s.\n", + log_id(cell), regset.c_str()); + + if (!initbits.count(bit_q)) + continue; + + State val = initbits.at(bit_q); + + log("FF init value for cell %s (%s): %s = %c\n", log_id(cell), log_id(cell->type), + log_signal(bit_q), val != State::S0 ? '1' : '0'); + // Initval is the same as the reset state. Matches hardware, nowt more to do + if (val == resetState) { + handled_initbits.insert(bit_q); + continue; + } + + if (GetSize(sig_lsr) >= 1 && sig_lsr[0] != State::S0) { + std::string srmode = "LSR_OVER_CE"; + if (cell->hasParam("\\SRMODE")) + srmode = cell->getParam("\\SRMODE").decode_string(); + if (srmode == "ASYNC") { + log("Async reset value %c for FF cell %s inconsistent with init value %c.\n", + resetState != State::S0 ? '1' : '0', log_id(cell), val != State::S0 ? '1' : '0'); + } else { + SigBit bit_lsr = sigmap(sig_lsr[0]); + Wire *new_bit_d = module->addWire(NEW_ID); + if (resetState == State::S0) { + module->addAndnotGate(NEW_ID, bit_d, bit_lsr, new_bit_d); + } else { + module->addOrGate(NEW_ID, bit_d, bit_lsr, new_bit_d); + } + + cell->setPort("\\DI", new_bit_d); + cell->setPort("\\LSR", State::S0); + + if(cell->hasPort("\\CE")) { + std::string cemux = "CE"; + if (cell->hasParam("\\CEMUX")) + cemux = cell->getParam("\\CEMUX").decode_string(); + SigSpec sig_ce = cell->getPort("\\CE"); + if (GetSize(sig_ce) >= 1) { + SigBit bit_ce = sigmap(sig_ce[0]); + Wire *new_bit_ce = module->addWire(NEW_ID); + if (cemux == "INV") + module->addAndnotGate(NEW_ID, bit_ce, bit_lsr, new_bit_ce); + else + module->addOrGate(NEW_ID, bit_ce, bit_lsr, new_bit_ce); + cell->setPort("\\CE", new_bit_ce); + } + } + cell->setParam("\\REGSET", val != State::S0 ? Const("SET") : Const("RESET")); + handled_initbits.insert(bit_q); + } + } else { + cell->setParam("\\REGSET", val != State::S0 ? Const("SET") : Const("RESET")); + handled_initbits.insert(bit_q); + } + } + + for (auto wire : init_wires) + { + if (wire->attributes.count("\\init") == 0) + continue; + + SigSpec wirebits = sigmap(wire); + Const &initval = wire->attributes.at("\\init"); + bool remove_attribute = true; + + for (int i = 0; i < GetSize(wirebits) && i < GetSize(initval); i++) { + if (handled_initbits.count(wirebits[i])) + initval[i] = State::Sx; + else if (initval[i] != State::Sx) + remove_attribute = false; + } + + if (remove_attribute) + wire->attributes.erase("\\init"); + } + } + } +} Ecp5FfinitPass; + +PRIVATE_NAMESPACE_END diff --git a/techlibs/ecp5/synth_ecp5.cc b/techlibs/ecp5/synth_ecp5.cc index 2e9176a84..835f10d8c 100644 --- a/techlibs/ecp5/synth_ecp5.cc +++ b/techlibs/ecp5/synth_ecp5.cc @@ -255,10 +255,7 @@ struct SynthEcp5Pass : public ScriptPass run("techmap -D NO_LUT -map +/ecp5/cells_map.v"); run("opt_expr -mux_undef"); run("simplemap"); - // TODO -#if 0 run("ecp5_ffinit"); -#endif } if (check_label("map_luts")) -- cgit v1.2.3 From 7913baedd8c776243cbcf5ce73549943d1fe83a2 Mon Sep 17 00:00:00 2001 From: David Shah Date: Tue, 12 Feb 2019 12:04:41 +0000 Subject: ecp5: Full set of IO-related blackboxes Signed-off-by: David Shah --- techlibs/ecp5/cells_bb.v | 102 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 102 insertions(+) (limited to 'techlibs') diff --git a/techlibs/ecp5/cells_bb.v b/techlibs/ecp5/cells_bb.v index 32fb5c1ef..5b8d6bb4a 100644 --- a/techlibs/ecp5/cells_bb.v +++ b/techlibs/ecp5/cells_bb.v @@ -181,6 +181,31 @@ module IDDRX1F( parameter GSR = "ENABLED"; endmodule +(* blackbox *) +module IDDRX2F( + input D, SCLK, ECLK, RST, + output Q0, Q1, Q2, Q3 +); + parameter GSR = "ENABLED"; +endmodule + +(* blackbox *) +module IDDR71B( + input D, SCLK, ECLK, RST, ALIGNWD, + output Q0, Q1, Q2, Q3, Q4, Q5, Q6 +); + parameter GSR = "ENABLED"; +endmodule + +(* blackbox *) +module IDDRX2DQA( + input D, DQSR90, ECLK, SCLK, RST, + input RDPNTR2, RDPNTR1, RDPNTR0, WRPNTR2, WRPNTR1, WRPNTR0, + output Q0, Q1, Q2, Q3, QWL +); + parameter GSR = "ENABLED"; +endmodule + (* blackbox *) module ODDRX1F( input SCLK, RST, D0, D1, @@ -189,6 +214,83 @@ module ODDRX1F( parameter GSR = "ENABLED"; endmodule +(* blackbox *) +module ODDRX2F( + input SCLK, ECLK, RST, D0, D1, D2, D3, + output Q +); + parameter GSR = "ENABLED"; +endmodule + +(* blackbox *) +module ODDR71B( + input SCLK, ECLK, RST, D0, D1, D2, D3, D4, D5, D6, + output Q +); + parameter GSR = "ENABLED"; +endmodule + +(* blackbox *) +module OSHX2A( + input D0, D1, RST, ECLK, SCLK, + output Q +); + parameter GSR = "ENABLED"; +endmodule + +(* blackbox *) +module ODDRX2DQA( + input D0, D1, D2, D3, RST, ECLK, SCLK, DQSW270, + output Q +); + parameter GSR = "ENABLED"; +endmodule + +(* blackbox *) +module ODDRX2DQSB( + input D0, D1, D2, D3, RST, ECLK, SCLK, DQSW, + output Q +); + parameter GSR = "ENABLED"; +endmodule + +(* blackbox *) +module TSHX2DQA( + input T0, T1, SCLK, ECLK, DQSW270, RST, + output Q +); + parameter GSR = "ENABLED"; + parameter REGSET = "SET"; +endmodule + +(* blackbox *) +module TSHX2DQSA( + input T0, T1, SCLK, ECLK, DQSW, RST, + output Q +); + parameter GSR = "ENABLED"; + parameter REGSET = "SET"; +endmodule + + +(* blackbox *) +module DQSBUFM( + input DQSI, READ1, READ0, READCLKSEL2, READCLKSEL1, READCLKSEL0, DDRDEL, + input ECLK, SCLK, + input DYNDELAY7, DYNDELAY6, DYNDELAY5, DYNDELAY4, + input DYNDELAY3, DYNDELAY2, DYNDELAY1, DYNDELAY0, + input RST, RDLOADN, RDMOVE, RDDIRECTION, WRLOADN, WRMOVE, WRDIRECTION, PAUSE, + output DQSR90, DQSW, DQSW270, + output RDPNTR2, RDPNTR1, RDPNTR0, WRPNTR2, WRPNTR1, WRPNTR0, + output DATAVALID, BURSTDET, RDCFLAG, WRCFLAG +); + parameter DQS_LI_DEL_ADJ = "FACTORYONLY"; + parameter DQS_LI_DEL_VAL = 0; + parameter DQS_LO_DEL_ADJ = "FACTORYONLY"; + parameter DQS_LO_DEL_VAL = 0; + parameter GSR = "ENABLED"; +endmodule + (* blackbox *) module CLKDIVF( input CLKI, RST, ALIGNWD, -- cgit v1.2.3 From e0bc190879d1c722c267ae9370a16ce202345b76 Mon Sep 17 00:00:00 2001 From: David Shah Date: Wed, 13 Feb 2019 11:23:25 +0000 Subject: ecp5: Add ECLKSYNCB blackbox Signed-off-by: David Shah --- techlibs/ecp5/cells_bb.v | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'techlibs') diff --git a/techlibs/ecp5/cells_bb.v b/techlibs/ecp5/cells_bb.v index 5b8d6bb4a..1de623fcd 100644 --- a/techlibs/ecp5/cells_bb.v +++ b/techlibs/ecp5/cells_bb.v @@ -272,7 +272,6 @@ module TSHX2DQSA( parameter REGSET = "SET"; endmodule - (* blackbox *) module DQSBUFM( input DQSI, READ1, READ0, READCLKSEL2, READCLKSEL1, READCLKSEL0, DDRDEL, @@ -300,6 +299,13 @@ module CLKDIVF( parameter DIV = "2.0"; endmodule +(* blackbox *) +module ECLKSYNCB( + input ECLKI, STOP, + output ECLKO +); +endmodule + (* blackbox *) module DCCA( input CLKI, CE, -- cgit v1.2.3 From c36f15b489c1d47e94901e9286c4f1c2afb815c4 Mon Sep 17 00:00:00 2001 From: David Shah Date: Tue, 19 Feb 2019 14:10:43 +0000 Subject: ecp5: Add DELAYF/DELAYG blackboxes Signed-off-by: David Shah --- techlibs/ecp5/cells_bb.v | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'techlibs') diff --git a/techlibs/ecp5/cells_bb.v b/techlibs/ecp5/cells_bb.v index 1de623fcd..bac17260f 100644 --- a/techlibs/ecp5/cells_bb.v +++ b/techlibs/ecp5/cells_bb.v @@ -173,6 +173,24 @@ parameter ER1 = "ENABLED"; parameter ER2 = "ENABLED"; endmodule +(* blackbox *) +module DELAYF( + input A, LOADN, MOVE, DIRECTION, + output Z, CFLAG +); + parameter DEL_MODE = "USER_DEFINED"; + parameter DEL_VALUE = 0; +endmodule + +(* blackbox *) +module DELAYG( + input A, + output Z +); + parameter DEL_MODE = "USER_DEFINED"; + parameter DEL_VALUE = 0; +endmodule + (* blackbox *) module IDDRX1F( input D, SCLK, RST, -- cgit v1.2.3 From bb56cb738d6586059855cc3deefad12119673157 Mon Sep 17 00:00:00 2001 From: David Shah Date: Tue, 19 Feb 2019 19:34:37 +0000 Subject: ecp5: Add DDRDLLA Signed-off-by: David Shah --- techlibs/ecp5/cells_bb.v | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'techlibs') diff --git a/techlibs/ecp5/cells_bb.v b/techlibs/ecp5/cells_bb.v index bac17260f..223e19b9e 100644 --- a/techlibs/ecp5/cells_bb.v +++ b/techlibs/ecp5/cells_bb.v @@ -308,6 +308,15 @@ module DQSBUFM( parameter GSR = "ENABLED"; endmodule +(* blackbox *) +module DDRDLLA( + input CLK, RST, UDDCNTLN, FREEZE, + output LOCK, DDRDEL, DCNTL7, DCNTL6, DCNTL5, DCNTL4, DCNTL3, DCNTL2, DCNTL1, DCNTL0 +); + parameter FORCE_MAX_DELAY = "NO"; + parameter GSR = "ENABLED"; +endmodule + (* blackbox *) module CLKDIVF( input CLKI, RST, ALIGNWD, -- cgit v1.2.3 From fa2f595cfa240b86edb26e859449c1c54eaf49ef Mon Sep 17 00:00:00 2001 From: David Shah Date: Tue, 19 Feb 2019 19:35:10 +0000 Subject: ecp5: Compatibility with Migen AsyncResetSynchronizer Signed-off-by: David Shah --- techlibs/ecp5/cells_map.v | 3 +++ techlibs/ecp5/cells_sim.v | 17 +++++++++++++++++ 2 files changed, 20 insertions(+) (limited to 'techlibs') diff --git a/techlibs/ecp5/cells_map.v b/techlibs/ecp5/cells_map.v index 23182bdeb..6ab4b69f2 100644 --- a/techlibs/ecp5/cells_map.v +++ b/techlibs/ecp5/cells_map.v @@ -47,6 +47,9 @@ 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 +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 + `ifndef NO_LUT module \$lut (A, Y); parameter WIDTH = 0; diff --git a/techlibs/ecp5/cells_sim.v b/techlibs/ecp5/cells_sim.v index ca5d020f3..d2d8b5793 100644 --- a/techlibs/ecp5/cells_sim.v +++ b/techlibs/ecp5/cells_sim.v @@ -556,3 +556,20 @@ module DP16KD( parameter INITVAL_3E = 320'h00000000000000000000000000000000000000000000000000000000000000000000000000000000; 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 -- cgit v1.2.3 From 61fc411c5d7237e420ee6eb9f6eb093e70d1007d Mon Sep 17 00:00:00 2001 From: Larry Doolittle Date: Sun, 24 Feb 2019 22:08:52 -0800 Subject: Clean up some whitepsace outliers --- techlibs/ecp5/cells_sim.v | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'techlibs') diff --git a/techlibs/ecp5/cells_sim.v b/techlibs/ecp5/cells_sim.v index 507ab1beb..f27540bd7 100644 --- a/techlibs/ecp5/cells_sim.v +++ b/techlibs/ecp5/cells_sim.v @@ -57,7 +57,7 @@ module TRELLIS_RAM16X2 ( input RAD0, RAD1, RAD2, RAD3, output DO0, DO1 ); - parameter WCKMUX = "WCK"; + parameter WCKMUX = "WCK"; parameter WREMUX = "WRE"; parameter INITVAL_0 = 16'h0000; parameter INITVAL_1 = 16'h0000; @@ -104,7 +104,7 @@ module TRELLIS_DPR16X4 ( input [3:0] RAD, output [3:0] DO ); - parameter WCKMUX = "WCK"; + parameter WCKMUX = "WCK"; parameter WREMUX = "WRE"; parameter [63:0] INITVAL = 64'h0000000000000000; -- cgit v1.2.3 From 7a40294e93490fa462343244b1e2881c3c249c3f Mon Sep 17 00:00:00 2001 From: Larry Doolittle Date: Sun, 24 Feb 2019 22:09:54 -0800 Subject: techlibs/greenpak4/cells_map.v: Harmonize whitespace within lut module --- techlibs/greenpak4/cells_map.v | 44 +++++++++++++++++++++--------------------- 1 file changed, 22 insertions(+), 22 deletions(-) (limited to 'techlibs') diff --git a/techlibs/greenpak4/cells_map.v b/techlibs/greenpak4/cells_map.v index b971a51fa..51c85183d 100644 --- a/techlibs/greenpak4/cells_map.v +++ b/techlibs/greenpak4/cells_map.v @@ -112,14 +112,14 @@ module GP_OBUFT(input IN, input OE, output OUT); endmodule module \$lut (A, Y); - parameter WIDTH = 0; - parameter LUT = 0; + parameter WIDTH = 0; + parameter LUT = 0; - input [WIDTH-1:0] A; - output Y; + input [WIDTH-1:0] A; + output Y; - generate - if (WIDTH == 1) begin + generate + if (WIDTH == 1) begin if(LUT == 2'b01) begin GP_INV _TECHMAP_REPLACE_ (.OUT(Y), .IN(A[0]) ); end @@ -127,22 +127,22 @@ module \$lut (A, Y); GP_2LUT #(.INIT({2'b00, LUT})) _TECHMAP_REPLACE_ (.OUT(Y), .IN0(A[0]), .IN1(1'b0)); end - end else - if (WIDTH == 2) begin - GP_2LUT #(.INIT(LUT)) _TECHMAP_REPLACE_ (.OUT(Y), - .IN0(A[0]), .IN1(A[1])); - end else - if (WIDTH == 3) begin - GP_3LUT #(.INIT(LUT)) _TECHMAP_REPLACE_ (.OUT(Y), - .IN0(A[0]), .IN1(A[1]), .IN2(A[2])); - end else - if (WIDTH == 4) begin - GP_4LUT #(.INIT(LUT)) _TECHMAP_REPLACE_ (.OUT(Y), - .IN0(A[0]), .IN1(A[1]), .IN2(A[2]), .IN3(A[3])); - end else begin - wire _TECHMAP_FAIL_ = 1; - end - endgenerate + end else + if (WIDTH == 2) begin + GP_2LUT #(.INIT(LUT)) _TECHMAP_REPLACE_ (.OUT(Y), + .IN0(A[0]), .IN1(A[1])); + end else + if (WIDTH == 3) begin + GP_3LUT #(.INIT(LUT)) _TECHMAP_REPLACE_ (.OUT(Y), + .IN0(A[0]), .IN1(A[1]), .IN2(A[2])); + end else + if (WIDTH == 4) begin + GP_4LUT #(.INIT(LUT)) _TECHMAP_REPLACE_ (.OUT(Y), + .IN0(A[0]), .IN1(A[1]), .IN2(A[2]), .IN3(A[3])); + end else begin + wire _TECHMAP_FAIL_ = 1; + end + endgenerate endmodule module \$__COUNT_ (CE, CLK, OUT, POUT, RST, UP); -- cgit v1.2.3 From e2fc18f27b5e9f506724a486787c2106b9f7fb4f Mon Sep 17 00:00:00 2001 From: Larry Doolittle Date: Tue, 26 Feb 2019 10:28:42 -0800 Subject: Reduce amount of trailing whitespace in code base --- techlibs/achronix/speedster22i/cells_sim.v | 6 +++--- techlibs/anlogic/anlogic_eqn.cc | 4 ++-- techlibs/gowin/arith_map.v | 12 ++++++------ techlibs/gowin/synth_gowin.cc | 2 +- techlibs/intel/cycloneive/arith_map.v | 10 +++++----- techlibs/intel/cyclonev/cells_map.v | 4 ++-- 6 files changed, 19 insertions(+), 19 deletions(-) (limited to 'techlibs') diff --git a/techlibs/achronix/speedster22i/cells_sim.v b/techlibs/achronix/speedster22i/cells_sim.v index a94dce9b1..a0c60b4be 100755 --- a/techlibs/achronix/speedster22i/cells_sim.v +++ b/techlibs/achronix/speedster22i/cells_sim.v @@ -30,7 +30,7 @@ endmodule module PADOUT (output padout, input padin, input oe); assign padout = padin; assign oe = oe; -endmodule +endmodule module LUT4 (output dout, input din0, din1, din2, din3); @@ -66,14 +66,14 @@ always @(dataa_w or datab_w or datac_w or datad_w) begin datac_w, datad_w); end assign dout = combout_rt & 1'b1; -endmodule +endmodule module DFF (output q, input d, ck); reg q; always @(posedge ck) q <= d; - + endmodule diff --git a/techlibs/anlogic/anlogic_eqn.cc b/techlibs/anlogic/anlogic_eqn.cc index c025c65c4..741bf04cc 100644 --- a/techlibs/anlogic/anlogic_eqn.cc +++ b/techlibs/anlogic/anlogic_eqn.cc @@ -52,13 +52,13 @@ struct AnlogicEqnPass : public Pass { eqn += names[j]; else eqn += std::string("~") + names[j]; - + if (j!=(inputs-1)) eqn += "*"; } eqn += ")+"; } } - if (eqn.empty()) return Const("0"); + if (eqn.empty()) return Const("0"); eqn = eqn.substr(0, eqn.length()-1); return Const(eqn); } diff --git a/techlibs/gowin/arith_map.v b/techlibs/gowin/arith_map.v index 25e789e4a..e15de6423 100644 --- a/techlibs/gowin/arith_map.v +++ b/techlibs/gowin/arith_map.v @@ -25,24 +25,24 @@ module _80_gw1n_alu(A, B, CI, BI, X, Y, CO); parameter A_WIDTH = 1; parameter B_WIDTH = 1; parameter Y_WIDTH = 1; - + input [A_WIDTH-1:0] A; input [B_WIDTH-1:0] B; output [Y_WIDTH-1:0] X, Y; - + input CI, BI; output [Y_WIDTH-1:0] CO; - + wire _TECHMAP_FAIL_ = Y_WIDTH <= 2; - + wire [Y_WIDTH-1:0] A_buf, B_buf; \$pos #(.A_SIGNED(A_SIGNED), .A_WIDTH(A_WIDTH), .Y_WIDTH(Y_WIDTH)) A_conv (.A(A), .Y(A_buf)); \$pos #(.A_SIGNED(B_SIGNED), .A_WIDTH(B_WIDTH), .Y_WIDTH(Y_WIDTH)) B_conv (.A(B), .Y(B_buf)); - + wire [Y_WIDTH-1:0] AA = A_buf; wire [Y_WIDTH-1:0] BB = BI ? ~B_buf : B_buf; wire [Y_WIDTH-1:0] C = {CO, CI}; - + genvar i; generate for (i = 0; i < Y_WIDTH; i = i + 1) begin:slice ALU #(.ALU_MODE(32'b0)) diff --git a/techlibs/gowin/synth_gowin.cc b/techlibs/gowin/synth_gowin.cc index 96128a680..9a3fcdbb6 100644 --- a/techlibs/gowin/synth_gowin.cc +++ b/techlibs/gowin/synth_gowin.cc @@ -111,7 +111,7 @@ struct SynthGowinPass : public ScriptPass if (args[argidx] == "-noflatten") { flatten = false; continue; - } + } break; } extra_args(args, argidx, design); diff --git a/techlibs/intel/cycloneive/arith_map.v b/techlibs/intel/cycloneive/arith_map.v index b3a11272b..49e36aa25 100644 --- a/techlibs/intel/cycloneive/arith_map.v +++ b/techlibs/intel/cycloneive/arith_map.v @@ -32,7 +32,7 @@ module fa wire VCC; assign VCC = 1'b1; - + cycloneiv_lcell_comb gen_sum_0 (.combout(sum_x), .dataa(a_c), .datab(b_c), @@ -40,7 +40,7 @@ module fa .datad(VCC)); defparam syn__05_.lut_mask = 16'b1001011010010110; defparam syn__05_.sum_lutc_input = "datac"; - + cycloneiv_lcell_comb gen_cout_0 (.combout(cout_t), .dataa(cin_c), .datab(b_c), @@ -48,11 +48,11 @@ module fa .datad(VCC)); defparam syn__06_.lut_mask = 16'b1110000011100000; defparam syn__06_.sum_lutc_input = "datac"; - + endmodule // fa module f_stage(); - + endmodule // f_stage module f_end(); @@ -88,7 +88,7 @@ module _80_cycloneive_alu (A, B, CI, BI, X, Y, CO); .cin_c(C[0]), .cout_t(C0[1]), .sum_x(Y[0])); - + genvar i; generate for (i = 1; i < Y_WIDTH; i = i + 1) begin:slice cycloneive_lcell_comb #(.lut_mask(16'b0101_1010_0101_0000), .sum_lutc_input("cin")) arith_cell (.combout(Y[i]), .cout(CO[i]), .dataa(BB[i]), .datab(1'b1), .datac(1'b1), .datad(1'b1), .cin(C[i])); diff --git a/techlibs/intel/cyclonev/cells_map.v b/techlibs/intel/cyclonev/cells_map.v index bd60d4e17..f8d142bc9 100644 --- a/techlibs/intel/cyclonev/cells_map.v +++ b/techlibs/intel/cyclonev/cells_map.v @@ -76,7 +76,7 @@ module \$lut (A, Y); wire VCC; wire GND; assign {VCC,GND} = {1'b1,1'b0}; - + generate if (WIDTH == 1) begin assign Y = ~A[0]; // Not need to spend 1 logic cell for such an easy function @@ -151,7 +151,7 @@ module \$lut (A, Y); TODO: There's not a just 7-input function on Cyclone V, see the following note: **Extended LUT Mode** Use extended LUT mode to implement a specific set of 7-input functions. The set must - be a 2-to-1 multiplexer fed by two arbitrary 5-input functions sharing four inputs. + be a 2-to-1 multiplexer fed by two arbitrary 5-input functions sharing four inputs. [source](Device Interfaces and Integration Basics for Cyclone V Devices). end*/ else -- cgit v1.2.3 From cd2902ab1fec57503320e32ba5620c6487f9cb85 Mon Sep 17 00:00:00 2001 From: Elms Date: Thu, 28 Feb 2019 16:22:24 -0800 Subject: ice40: use 2 bits for READ/WRITE MODE for SB_RAM map EBLIF output .param will only use necessary 2 bits Signed-off-by: Elms --- techlibs/ice40/brams_map.v | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'techlibs') diff --git a/techlibs/ice40/brams_map.v b/techlibs/ice40/brams_map.v index 19a61d73b..ad3bccd21 100644 --- a/techlibs/ice40/brams_map.v +++ b/techlibs/ice40/brams_map.v @@ -7,8 +7,8 @@ module \$__ICE40_RAM4K ( input [10:0] WADDR, input [15:0] MASK, WDATA ); - parameter integer READ_MODE = 0; - parameter integer WRITE_MODE = 0; + parameter [1:0] READ_MODE = 0; + parameter [1:0] WRITE_MODE = 0; parameter [0:0] NEGCLK_R = 0; parameter [0:0] NEGCLK_W = 0; -- cgit v1.2.3 From ca2b3feed82f923f06d0cf57787818f0f6793157 Mon Sep 17 00:00:00 2001 From: Miodrag Milanovic Date: Fri, 1 Mar 2019 19:25:23 +0100 Subject: Fix ECP5 cells_sim for iverilog --- techlibs/ecp5/cells_sim.v | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'techlibs') diff --git a/techlibs/ecp5/cells_sim.v b/techlibs/ecp5/cells_sim.v index 8320ee70a..1e4002ee0 100644 --- a/techlibs/ecp5/cells_sim.v +++ b/techlibs/ecp5/cells_sim.v @@ -223,11 +223,12 @@ module TRELLIS_FF(input CLK, LSR, CE, DI, M, output reg Q); wire muxlsr = (LSRMUX == "INV") ? ~LSR : LSR; wire muxclk = (CLKMUX == "INV") ? ~CLK : CLK; + wire srval; generate if (LSRMODE == "PRLD") - wire srval = M; + assign srval = M; else - localparam srval = (REGSET == "SET") ? 1'b1 : 1'b0; + assign srval = (REGSET == "SET") ? 1'b1 : 1'b0; endgenerate initial Q = srval; -- cgit v1.2.3 From 3090951d54859c331d28232481361bb9c26b3d48 Mon Sep 17 00:00:00 2001 From: Keith Rothman <537074+litghost@users.noreply.github.com> Date: Fri, 1 Mar 2019 11:21:07 -0800 Subject: Changes required for VPR place and route synth_xilinx. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com> --- techlibs/xilinx/Makefile.inc | 3 +- techlibs/xilinx/arith_map.v | 282 +++++++++++++++++++++++++++++++++++++++- techlibs/xilinx/brams_map.v | 24 ++-- techlibs/xilinx/cells_map.v | 104 +++------------ techlibs/xilinx/cells_sim.v | 103 ++++++++++----- techlibs/xilinx/cells_xtra.sh | 4 +- techlibs/xilinx/cells_xtra.v | 19 +++ techlibs/xilinx/ff_map.v | 42 ++++++ techlibs/xilinx/lut2lut.v | 65 --------- techlibs/xilinx/lut_map.v | 94 ++++++++++++++ techlibs/xilinx/synth_xilinx.cc | 68 +++++++--- 11 files changed, 587 insertions(+), 221 deletions(-) create mode 100644 techlibs/xilinx/ff_map.v delete mode 100644 techlibs/xilinx/lut2lut.v create mode 100644 techlibs/xilinx/lut_map.v (limited to 'techlibs') diff --git a/techlibs/xilinx/Makefile.inc b/techlibs/xilinx/Makefile.inc index 887ea27d9..d68f03bb4 100644 --- a/techlibs/xilinx/Makefile.inc +++ b/techlibs/xilinx/Makefile.inc @@ -28,7 +28,8 @@ $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/brams_bb.v)) $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/drams.txt)) $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/drams_map.v)) $(eval $(call add_share_file,share/xilinx,techlibs/xilinx/arith_map.v)) -$(eval $(call add_share_file,share/xilinx,techlibs/xilinx/lut2lut.v)) +$(eval $(call add_share_file,share/xilinx,techlibs/xilinx/ff_map.v)) +$(eval $(call add_share_file,share/xilinx,techlibs/xilinx/lut_map.v)) $(eval $(call add_gen_share_file,share/xilinx,techlibs/xilinx/brams_init_36.vh)) $(eval $(call add_gen_share_file,share/xilinx,techlibs/xilinx/brams_init_32.vh)) diff --git a/techlibs/xilinx/arith_map.v b/techlibs/xilinx/arith_map.v index 03719659b..09a5f07e8 100644 --- a/techlibs/xilinx/arith_map.v +++ b/techlibs/xilinx/arith_map.v @@ -17,6 +17,9 @@ * */ +// ============================================================================ +// LCU + (* techmap_celltype = "$lcu" *) module _80_xilinx_lcu (P, G, CI, CO); parameter WIDTH = 2; @@ -28,10 +31,78 @@ module _80_xilinx_lcu (P, G, CI, CO); wire _TECHMAP_FAIL_ = WIDTH <= 2; + genvar i; + +`ifdef _CLB_CARRY + + localparam CARRY4_COUNT = (WIDTH + 3) / 4; + localparam MAX_WIDTH = CARRY4_COUNT * 4; + localparam PAD_WIDTH = MAX_WIDTH - WIDTH; + + wire [MAX_WIDTH-1:0] S = {{PAD_WIDTH{1'b0}}, P & ~G}; + wire [MAX_WIDTH-1:0] C = CO; + + generate for (i = 0; i < CARRY4_COUNT; i = i + 1) begin:slice + + // Partially occupied CARRY4 + if ((i+1)*4 > WIDTH) begin + + // First one + if (i == 0) begin + CARRY4 carry4_1st_part + ( + .CYINIT(CI), + .CI (1'd0), + .DI (G [(Y_WIDTH - 1):i*4]), + .S (S [(Y_WIDTH - 1):i*4]), + .CO (CO[(Y_WIDTH - 1):i*4]), + ); + // Another one + end else begin + CARRY4 carry4_part + ( + .CYINIT(1'd0), + .CI (C [i*4 - 1]), + .DI (G [(Y_WIDTH - 1):i*4]), + .S (S [(Y_WIDTH - 1):i*4]), + .CO (CO[(Y_WIDTH - 1):i*4]), + ); + end + + // Fully occupied CARRY4 + end else begin + + // First one + if (i == 0) begin + CARRY4 carry4_1st_full + ( + .CYINIT(CI), + .CI (1'd0), + .DI (G [((i+1)*4 - 1):i*4]), + .S (S [((i+1)*4 - 1):i*4]), + .CO (CO[((i+1)*4 - 1):i*4]), + ); + // Another one + end else begin + CARRY4 carry4_full + ( + .CYINIT(1'd0), + .CI (C [i*4 - 1]), + .DI (G [((i+1)*4 - 1):i*4]), + .S (S [((i+1)*4 - 1):i*4]), + .CO (CO[((i+1)*4 - 1):i*4]), + ); + end + + end + + end endgenerate + +`elsif _EXPLICIT_CARRY + wire [WIDTH-1:0] C = {CO, CI}; wire [WIDTH-1:0] S = P & ~G; - genvar i; generate for (i = 0; i < WIDTH; i = i + 1) begin:slice MUXCY muxcy ( .CI(C[i]), @@ -40,8 +111,28 @@ module _80_xilinx_lcu (P, G, CI, CO); .O(CO[i]) ); end endgenerate + +`else + + wire [WIDTH-1:0] C = {CO, CI}; + wire [WIDTH-1:0] S = P & ~G; + + generate for (i = 0; i < WIDTH; i = i + 1) begin:slice + MUXCY muxcy ( + .CI(C[i]), + .DI(G[i]), + .S(S[i]), + .O(CO[i]) + ); + end endgenerate +`endif + endmodule + +// ============================================================================ +// ALU + (* techmap_celltype = "$alu" *) module _80_xilinx_alu (A, B, CI, BI, X, Y, CO); parameter A_SIGNED = 0; @@ -49,6 +140,8 @@ module _80_xilinx_alu (A, B, CI, BI, X, Y, CO); parameter A_WIDTH = 1; parameter B_WIDTH = 1; parameter Y_WIDTH = 1; + parameter _TECHMAP_CONSTVAL_CI_ = 0; + parameter _TECHMAP_CONSTMSK_CI_ = 0; input [A_WIDTH-1:0] A; input [B_WIDTH-1:0] B; @@ -66,16 +159,189 @@ module _80_xilinx_alu (A, B, CI, BI, X, Y, CO); wire [Y_WIDTH-1:0] AA = A_buf; wire [Y_WIDTH-1:0] BB = BI ? ~B_buf : B_buf; - wire [Y_WIDTH-1:0] P = AA ^ BB; - wire [Y_WIDTH-1:0] G = AA & BB; - wire [Y_WIDTH-1:0] C = {CO, CI}; - wire [Y_WIDTH-1:0] S = P & ~G; + genvar i; + +`ifdef _CLB_CARRY + + localparam CARRY4_COUNT = (Y_WIDTH + 3) / 4; + localparam MAX_WIDTH = CARRY4_COUNT * 4; + localparam PAD_WIDTH = MAX_WIDTH - Y_WIDTH; + + wire [MAX_WIDTH-1:0] S = {{PAD_WIDTH{1'b0}}, AA ^ BB}; + wire [MAX_WIDTH-1:0] DI = {{PAD_WIDTH{1'b0}}, AA & BB}; + + wire [MAX_WIDTH-1:0] C = CO; genvar i; + generate for (i = 0; i < CARRY4_COUNT; i = i + 1) begin:slice + + // Partially occupied CARRY4 + if ((i+1)*4 > Y_WIDTH) begin + + // First one + if (i == 0) begin + CARRY4 #(.IS_INITIALIZED(1'd1)) carry4_1st_part + ( + .CYINIT(CI), + .CI (1'd0), + .DI (DI[(Y_WIDTH - 1):i*4]), + .S (S [(Y_WIDTH - 1):i*4]), + .O (Y [(Y_WIDTH - 1):i*4]), + .CO (CO[(Y_WIDTH - 1):i*4]) + ); + // Another one + end else begin + CARRY4 carry4_part + ( + .CYINIT(1'd0), + .CI (C [i*4 - 1]), + .DI (DI[(Y_WIDTH - 1):i*4]), + .S (S [(Y_WIDTH - 1):i*4]), + .O (Y [(Y_WIDTH - 1):i*4]), + .CO (CO[(Y_WIDTH - 1):i*4]) + ); + end + + // Fully occupied CARRY4 + end else begin + + // First one + if (i == 0) begin + CARRY4 #(.IS_INITIALIZED(1'd1)) carry4_1st_full + ( + .CYINIT(CI), + .CI (1'd0), + .DI (DI[((i+1)*4 - 1):i*4]), + .S (S [((i+1)*4 - 1):i*4]), + .O (Y [((i+1)*4 - 1):i*4]), + .CO (CO[((i+1)*4 - 1):i*4]) + ); + // Another one + end else begin + CARRY4 carry4_full + ( + .CYINIT(1'd0), + .CI (C [i*4 - 1]), + .DI (DI[((i+1)*4 - 1):i*4]), + .S (S [((i+1)*4 - 1):i*4]), + .O (Y [((i+1)*4 - 1):i*4]), + .CO (CO[((i+1)*4 - 1):i*4]) + ); + end + + end + + end endgenerate + +`elsif _EXPLICIT_CARRY + + wire [Y_WIDTH-1:0] S = AA ^ BB; + wire [Y_WIDTH-1:0] DI = AA & BB; + + wire CINIT; + // Carry chain. + // + // VPR requires that the carry chain never hit the fabric. The CO input + // to this techmap is the carry outputs for synthesis, e.g. might hit the + // fabric. + // + // So we maintain two wire sets, CO_CHAIN is the carry that is for VPR, + // e.g. off fabric dedicated chain. CO is the carry outputs that are + // available to the fabric. + wire [Y_WIDTH-1:0] CO_CHAIN; + wire [Y_WIDTH-1:0] C = {CO_CHAIN, CINIT}; + + // If carry chain is being initialized to a constant, techmap the constant + // source. Otherwise techmap the fabric source. + generate for (i = 0; i < 1; i = i + 1) begin:slice + CARRY0 #(.CYINIT_FABRIC(1)) carry( + .CI_INIT(CI), + .DI(DI[0]), + .S(S[0]), + .CO_CHAIN(CO_CHAIN[0]), + .CO_FABRIC(CO[0]), + .O(Y[0]) + ); + end endgenerate + + generate for (i = 1; i < Y_WIDTH-1; i = i + 1) begin:slice + if(i % 4 == 0) begin + CARRY0 carry ( + .CI(C[i]), + .DI(DI[i]), + .S(S[i]), + .CO_CHAIN(CO_CHAIN[i]), + .CO_FABRIC(CO[i]), + .O(Y[i]) + ); + end + else + begin + CARRY carry ( + .CI(C[i]), + .DI(DI[i]), + .S(S[i]), + .CO_CHAIN(CO_CHAIN[i]), + .CO_FABRIC(CO[i]), + .O(Y[i]) + ); + end + end endgenerate + + generate for (i = Y_WIDTH-1; i < Y_WIDTH; i = i + 1) begin:slice + if(i % 4 == 0) begin + CARRY0 top_of_carry ( + .CI(C[i]), + .DI(DI[i]), + .S(S[i]), + .CO_CHAIN(CO_CHAIN[i]), + .O(Y[i]) + ); + end + else + begin + CARRY top_of_carry ( + .CI(C[i]), + .DI(DI[i]), + .S(S[i]), + .CO_CHAIN(CO_CHAIN[i]), + .O(Y[i]) + ); + end + // Turns out CO_FABRIC and O both use [ABCD]MUX, so provide + // a non-congested path to output the top of the carry chain. + // Registering the output of the CARRY block would solve this, but not + // all designs do that. + if((i+1) % 4 == 0) begin + CARRY0 carry_output ( + .CI(CO_CHAIN[i]), + .DI(0), + .S(0), + .O(CO[i]) + ); + end + else + begin + CARRY carry_output ( + .CI(CO_CHAIN[i]), + .DI(0), + .S(0), + .O(CO[i]) + ); + end + end endgenerate + +`else + + wire [Y_WIDTH-1:0] S = AA ^ BB; + wire [Y_WIDTH-1:0] DI = AA & BB; + + wire [Y_WIDTH-1:0] C = {CO, CI}; + generate for (i = 0; i < Y_WIDTH; i = i + 1) begin:slice MUXCY muxcy ( .CI(C[i]), - .DI(G[i]), + .DI(DI[i]), .S(S[i]), .O(CO[i]) ); @@ -86,6 +352,8 @@ module _80_xilinx_alu (A, B, CI, BI, X, Y, CO); ); end endgenerate - assign X = P; +`endif + + assign X = S; endmodule diff --git a/techlibs/xilinx/brams_map.v b/techlibs/xilinx/brams_map.v index 7ea49158d..2a23b2553 100644 --- a/techlibs/xilinx/brams_map.v +++ b/techlibs/xilinx/brams_map.v @@ -30,8 +30,8 @@ module \$__XILINX_RAMB36_SDP (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, .RAM_MODE("SDP"), .READ_WIDTH_A(72), .WRITE_WIDTH_B(72), - .WRITE_MODE_A("READ_FIRST"), - .WRITE_MODE_B("READ_FIRST"), + .WRITE_MODE_A("WRITE_FIRST"), + .WRITE_MODE_B("WRITE_FIRST"), .IS_CLKARDCLK_INVERTED(!CLKPOL2), .IS_CLKBWRCLK_INVERTED(!CLKPOL3), `include "brams_init_36.vh" @@ -95,8 +95,8 @@ module \$__XILINX_RAMB18_SDP (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, .RAM_MODE("SDP"), .READ_WIDTH_A(36), .WRITE_WIDTH_B(36), - .WRITE_MODE_A("READ_FIRST"), - .WRITE_MODE_B("READ_FIRST"), + .WRITE_MODE_A("WRITE_FIRST"), + .WRITE_MODE_B("WRITE_FIRST"), .IS_CLKARDCLK_INVERTED(!CLKPOL2), .IS_CLKBWRCLK_INVERTED(!CLKPOL3), `include "brams_init_18.vh" @@ -171,8 +171,8 @@ module \$__XILINX_RAMB36_TDP (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, .READ_WIDTH_B(CFG_DBITS), .WRITE_WIDTH_A(CFG_DBITS), .WRITE_WIDTH_B(CFG_DBITS), - .WRITE_MODE_A("READ_FIRST"), - .WRITE_MODE_B("READ_FIRST"), + .WRITE_MODE_A("WRITE_FIRST"), + .WRITE_MODE_B("WRITE_FIRST"), .IS_CLKARDCLK_INVERTED(!CLKPOL2), .IS_CLKBWRCLK_INVERTED(!CLKPOL3), `include "brams_init_36.vh" @@ -209,8 +209,8 @@ module \$__XILINX_RAMB36_TDP (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, .READ_WIDTH_B(CFG_DBITS), .WRITE_WIDTH_A(CFG_DBITS), .WRITE_WIDTH_B(CFG_DBITS), - .WRITE_MODE_A("READ_FIRST"), - .WRITE_MODE_B("READ_FIRST"), + .WRITE_MODE_A("WRITE_FIRST"), + .WRITE_MODE_B("WRITE_FIRST"), .IS_CLKARDCLK_INVERTED(!CLKPOL2), .IS_CLKBWRCLK_INVERTED(!CLKPOL3), `include "brams_init_32.vh" @@ -285,8 +285,8 @@ module \$__XILINX_RAMB18_TDP (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, .READ_WIDTH_B(CFG_DBITS), .WRITE_WIDTH_A(CFG_DBITS), .WRITE_WIDTH_B(CFG_DBITS), - .WRITE_MODE_A("READ_FIRST"), - .WRITE_MODE_B("READ_FIRST"), + .WRITE_MODE_A("WRITE_FIRST"), + .WRITE_MODE_B("WRITE_FIRST"), .IS_CLKARDCLK_INVERTED(!CLKPOL2), .IS_CLKBWRCLK_INVERTED(!CLKPOL3), `include "brams_init_18.vh" @@ -323,8 +323,8 @@ module \$__XILINX_RAMB18_TDP (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, .READ_WIDTH_B(CFG_DBITS), .WRITE_WIDTH_A(CFG_DBITS), .WRITE_WIDTH_B(CFG_DBITS), - .WRITE_MODE_A("READ_FIRST"), - .WRITE_MODE_B("READ_FIRST"), + .WRITE_MODE_A("WRITE_FIRST"), + .WRITE_MODE_B("WRITE_FIRST"), .IS_CLKARDCLK_INVERTED(!CLKPOL2), .IS_CLKBWRCLK_INVERTED(!CLKPOL3), `include "brams_init_16.vh" diff --git a/techlibs/xilinx/cells_map.v b/techlibs/xilinx/cells_map.v index 0771be0b9..d5801c0fc 100644 --- a/techlibs/xilinx/cells_map.v +++ b/techlibs/xilinx/cells_map.v @@ -1,86 +1,20 @@ +/* + * yosys -- Yosys Open SYnthesis Suite + * + * Copyright (C) 2012 Clifford Wolf + * + * 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. + * + */ -module \$_DFF_N_ (input D, C, output Q); FDRE #(.INIT(|0), .IS_C_INVERTED(|1), .IS_D_INVERTED(|0), .IS_R_INVERTED(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .R(1'b0)); endmodule -module \$_DFF_P_ (input D, C, output Q); FDRE #(.INIT(|0), .IS_C_INVERTED(|0), .IS_D_INVERTED(|0), .IS_R_INVERTED(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .R(1'b0)); endmodule - -module \$_DFFE_NP_ (input D, C, E, output Q); FDRE #(.INIT(|0), .IS_C_INVERTED(|1), .IS_D_INVERTED(|0), .IS_R_INVERTED(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(E), .R(1'b0)); endmodule -module \$_DFFE_PP_ (input D, C, E, output Q); FDRE #(.INIT(|0), .IS_C_INVERTED(|0), .IS_D_INVERTED(|0), .IS_R_INVERTED(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(E), .R(1'b0)); endmodule - -module \$_DFF_NN0_ (input D, C, R, output Q); FDCE #(.INIT(|0), .IS_C_INVERTED(|1), .IS_D_INVERTED(|0), .IS_CLR_INVERTED(|1)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR(R)); endmodule -module \$_DFF_NP0_ (input D, C, R, output Q); FDCE #(.INIT(|0), .IS_C_INVERTED(|1), .IS_D_INVERTED(|0), .IS_CLR_INVERTED(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR(R)); endmodule -module \$_DFF_PN0_ (input D, C, R, output Q); FDCE #(.INIT(|0), .IS_C_INVERTED(|0), .IS_D_INVERTED(|0), .IS_CLR_INVERTED(|1)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR(R)); endmodule -module \$_DFF_PP0_ (input D, C, R, output Q); FDCE #(.INIT(|0), .IS_C_INVERTED(|0), .IS_D_INVERTED(|0), .IS_CLR_INVERTED(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR(R)); endmodule - -module \$_DFF_NN1_ (input D, C, R, output Q); FDPE #(.INIT(|0), .IS_C_INVERTED(|1), .IS_D_INVERTED(|0), .IS_PRE_INVERTED(|1)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE(R)); endmodule -module \$_DFF_NP1_ (input D, C, R, output Q); FDPE #(.INIT(|0), .IS_C_INVERTED(|1), .IS_D_INVERTED(|0), .IS_PRE_INVERTED(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE(R)); endmodule -module \$_DFF_PN1_ (input D, C, R, output Q); FDPE #(.INIT(|0), .IS_C_INVERTED(|0), .IS_D_INVERTED(|0), .IS_PRE_INVERTED(|1)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE(R)); endmodule -module \$_DFF_PP1_ (input D, C, R, output Q); FDPE #(.INIT(|0), .IS_C_INVERTED(|0), .IS_D_INVERTED(|0), .IS_PRE_INVERTED(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE(R)); endmodule - -`ifndef NO_LUT -module \$lut (A, Y); - parameter WIDTH = 0; - parameter LUT = 0; - - input [WIDTH-1:0] A; - output Y; - - generate - if (WIDTH == 1) begin - LUT1 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y), - .I0(A[0])); - end else - if (WIDTH == 2) begin - LUT2 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y), - .I0(A[0]), .I1(A[1])); - end else - if (WIDTH == 3) begin - LUT3 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y), - .I0(A[0]), .I1(A[1]), .I2(A[2])); - end else - if (WIDTH == 4) begin - LUT4 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y), - .I0(A[0]), .I1(A[1]), .I2(A[2]), - .I3(A[3])); - end else - if (WIDTH == 5) begin - LUT5 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y), - .I0(A[0]), .I1(A[1]), .I2(A[2]), - .I3(A[3]), .I4(A[4])); - end else - if (WIDTH == 6) begin - LUT6 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y), - .I0(A[0]), .I1(A[1]), .I2(A[2]), - .I3(A[3]), .I4(A[4]), .I5(A[5])); - end else - if (WIDTH == 7) begin - wire T0, T1; - LUT6 #(.INIT(LUT[63:0])) fpga_lut_0 (.O(T0), - .I0(A[0]), .I1(A[1]), .I2(A[2]), - .I3(A[3]), .I4(A[4]), .I5(A[5])); - LUT6 #(.INIT(LUT[127:64])) fpga_lut_1 (.O(T1), - .I0(A[0]), .I1(A[1]), .I2(A[2]), - .I3(A[3]), .I4(A[4]), .I5(A[5])); - MUXF7 fpga_mux_0 (.O(Y), .I0(T0), .I1(T1), .S(A[6])); - end else - if (WIDTH == 8) begin - wire T0, T1, T2, T3, T4, T5; - LUT6 #(.INIT(LUT[63:0])) fpga_lut_0 (.O(T0), - .I0(A[0]), .I1(A[1]), .I2(A[2]), - .I3(A[3]), .I4(A[4]), .I5(A[5])); - LUT6 #(.INIT(LUT[127:64])) fpga_lut_1 (.O(T1), - .I0(A[0]), .I1(A[1]), .I2(A[2]), - .I3(A[3]), .I4(A[4]), .I5(A[5])); - LUT6 #(.INIT(LUT[191:128])) fpga_lut_2 (.O(T2), - .I0(A[0]), .I1(A[1]), .I2(A[2]), - .I3(A[3]), .I4(A[4]), .I5(A[5])); - LUT6 #(.INIT(LUT[255:192])) fpga_lut_3 (.O(T3), - .I0(A[0]), .I1(A[1]), .I2(A[2]), - .I3(A[3]), .I4(A[4]), .I5(A[5])); - MUXF7 fpga_mux_0 (.O(T4), .I0(T0), .I1(T1), .S(A[6])); - MUXF7 fpga_mux_1 (.O(T5), .I0(T2), .I1(T3), .S(A[6])); - MUXF8 fpga_mux_2 (.O(Y), .I0(T4), .I1(T5), .S(A[7])); - end else begin - wire _TECHMAP_FAIL_ = 1; - end - endgenerate -endmodule -`endif +// Empty for now diff --git a/techlibs/xilinx/cells_sim.v b/techlibs/xilinx/cells_sim.v index eba17ac9c..787b37cc8 100644 --- a/techlibs/xilinx/cells_sim.v +++ b/techlibs/xilinx/cells_sim.v @@ -1,3 +1,21 @@ +/* + * yosys -- Yosys Open SYnthesis Suite + * + * Copyright (C) 2012 Clifford Wolf + * + * 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. + * + */ // See Xilinx UG953 and UG474 for a description of the cell types below. // http://www.xilinx.com/support/documentation/user_guides/ug474_7Series_CLB.pdf @@ -104,56 +122,75 @@ module CARRY4(output [3:0] CO, O, input CI, CYINIT, input [3:0] DI, S); assign CO[3] = S[3] ? CO[2] : DI[3]; endmodule +`ifdef _EXPLICIT_CARRY + +module CARRY0(output CO_CHAIN, CO_FABRIC, O, input CI, CI_INIT, DI, S); + parameter CYINIT_FABRIC = 0; + wire CI_COMBINE; + if(CYINIT_FABRIC) begin + assign CI_COMBINE = CI_INIT; + end else begin + assign CI_COMBINE = CI; + end + assign CO_CHAIN = S ? CI_COMBINE : DI; + assign CO_FABRIC = S ? CI_COMBINE : DI; + assign O = S ^ CI_COMBINE; +endmodule + +module CARRY(output CO_CHAIN, CO_FABRIC, O, input CI, DI, S); + assign CO_CHAIN = S ? CI : DI; + assign CO_FABRIC = S ? CI : DI; + assign O = S ^ CI; +endmodule + +`endif + module FDRE (output reg Q, input C, CE, D, R); parameter [0:0] INIT = 1'b0; - parameter [0:0] IS_C_INVERTED = 1'b0; - parameter [0:0] IS_D_INVERTED = 1'b0; - parameter [0:0] IS_R_INVERTED = 1'b0; initial Q <= INIT; - generate case (|IS_C_INVERTED) - 1'b0: always @(posedge C) if (R == !IS_R_INVERTED) Q <= 1'b0; else if (CE) Q <= D ^ IS_D_INVERTED; - 1'b1: always @(negedge C) if (R == !IS_R_INVERTED) Q <= 1'b0; else if (CE) Q <= D ^ IS_D_INVERTED; - endcase endgenerate + always @(posedge C) if (R) Q <= 1'b0; else if(CE) Q <= D; endmodule module FDSE (output reg Q, input C, CE, D, S); - parameter [0:0] INIT = 1'b0; - parameter [0:0] IS_C_INVERTED = 1'b0; - parameter [0:0] IS_D_INVERTED = 1'b0; - parameter [0:0] IS_S_INVERTED = 1'b0; + parameter [0:0] INIT = 1'b1; initial Q <= INIT; - generate case (|IS_C_INVERTED) - 1'b0: always @(posedge C) if (S == !IS_S_INVERTED) Q <= 1'b1; else if (CE) Q <= D ^ IS_D_INVERTED; - 1'b1: always @(negedge C) if (S == !IS_S_INVERTED) Q <= 1'b1; else if (CE) Q <= D ^ IS_D_INVERTED; - endcase endgenerate + always @(posedge C) if (S) Q <= 1'b1; else if(CE) Q <= D; endmodule module FDCE (output reg Q, input C, CE, D, CLR); parameter [0:0] INIT = 1'b0; - parameter [0:0] IS_C_INVERTED = 1'b0; - parameter [0:0] IS_D_INVERTED = 1'b0; - parameter [0:0] IS_CLR_INVERTED = 1'b0; initial Q <= INIT; - generate case ({|IS_C_INVERTED, |IS_CLR_INVERTED}) - 2'b00: always @(posedge C, posedge CLR) if ( CLR) Q <= 1'b0; else if (CE) Q <= D ^ IS_D_INVERTED; - 2'b01: always @(posedge C, negedge CLR) if (!CLR) Q <= 1'b0; else if (CE) Q <= D ^ IS_D_INVERTED; - 2'b10: always @(negedge C, posedge CLR) if ( CLR) Q <= 1'b0; else if (CE) Q <= D ^ IS_D_INVERTED; - 2'b11: always @(negedge C, negedge CLR) if (!CLR) Q <= 1'b0; else if (CE) Q <= D ^ IS_D_INVERTED; - endcase endgenerate + always @(posedge C, posedge CLR) if (CLR) Q <= 1'b0; else if (CE) Q <= D; endmodule module FDPE (output reg Q, input C, CE, D, PRE); + parameter [0:0] INIT = 1'b1; + initial Q <= INIT; + always @(negedge C, posedge PRE) if (PRE) Q <= 1'b1; else if (CE) Q <= D; +endmodule + +module FDRE_1 (output reg Q, input C, CE, D, R); parameter [0:0] INIT = 1'b0; - parameter [0:0] IS_C_INVERTED = 1'b0; - parameter [0:0] IS_D_INVERTED = 1'b0; - parameter [0:0] IS_PRE_INVERTED = 1'b0; initial Q <= INIT; - generate case ({|IS_C_INVERTED, |IS_PRE_INVERTED}) - 2'b00: always @(posedge C, posedge PRE) if ( PRE) Q <= 1'b1; else if (CE) Q <= D ^ IS_D_INVERTED; - 2'b01: always @(posedge C, negedge PRE) if (!PRE) Q <= 1'b1; else if (CE) Q <= D ^ IS_D_INVERTED; - 2'b10: always @(negedge C, posedge PRE) if ( PRE) Q <= 1'b1; else if (CE) Q <= D ^ IS_D_INVERTED; - 2'b11: always @(negedge C, negedge PRE) if (!PRE) Q <= 1'b1; else if (CE) Q <= D ^ IS_D_INVERTED; - endcase endgenerate + always @(negedge C) if (R) Q <= 1'b0; else if(CE) Q <= D; +endmodule + +module FDSE_1 (output reg Q, input C, CE, D, S); + parameter [0:0] INIT = 1'b1; + initial Q <= INIT; + always @(negedge C) if (S) Q <= 1'b1; else if(CE) Q <= D; +endmodule + +module FDCE_1 (output reg Q, input C, CE, D, CLR); + parameter [0:0] INIT = 1'b0; + initial Q <= INIT; + always @(negedge C, posedge CLR) if (CLR) Q <= 1'b0; else if (CE) Q <= D; +endmodule + +module FDPE_1 (output reg Q, input C, CE, D, PRE); + parameter [0:0] INIT = 1'b1; + initial Q <= INIT; + always @(negedge C, posedge PRE) if (PRE) Q <= 1'b1; else if (CE) Q <= D; endmodule module RAM64X1D ( diff --git a/techlibs/xilinx/cells_xtra.sh b/techlibs/xilinx/cells_xtra.sh index 0480410f5..37c3e5480 100644 --- a/techlibs/xilinx/cells_xtra.sh +++ b/techlibs/xilinx/cells_xtra.sh @@ -115,7 +115,7 @@ function xtract_cell_decl() xtract_cell_decl PS7 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 @@ -124,7 +124,7 @@ function xtract_cell_decl() xtract_cell_decl RAM32X1S_1 xtract_cell_decl RAM32X2S xtract_cell_decl RAM64M - # xtract_cell_decl RAM64X1D + xtract_cell_decl RAM64X1D xtract_cell_decl RAM64X1S xtract_cell_decl RAM64X1S_1 xtract_cell_decl RAM64X2S diff --git a/techlibs/xilinx/cells_xtra.v b/techlibs/xilinx/cells_xtra.v index 8d8b91ddc..995d62e18 100644 --- a/techlibs/xilinx/cells_xtra.v +++ b/techlibs/xilinx/cells_xtra.v @@ -3695,6 +3695,25 @@ module RAM128X1S (...); input A0, A1, A2, A3, A4, A5, A6, D, WCLK, WE; endmodule +module RAM128X1D ( + output DPO, SPO, + input D, WCLK, WE, + input [6:0] A, DPRA +); + parameter [127:0] INIT = 128'bx; + parameter IS_WCLK_INVERTED = 0; +endmodule + +module RAM64X1D ( + output DPO, SPO, + input D, WCLK, WE, + input A0, A1, A2, A3, A4, A5, + input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4, DPRA5 +); + parameter [63:0] INIT = 64'bx; + parameter IS_WCLK_INVERTED = 0; +endmodule + module RAM256X1S (...); parameter [255:0] INIT = 256'h0; parameter [0:0] IS_WCLK_INVERTED = 1'b0; diff --git a/techlibs/xilinx/ff_map.v b/techlibs/xilinx/ff_map.v new file mode 100644 index 000000000..13beaa6ae --- /dev/null +++ b/techlibs/xilinx/ff_map.v @@ -0,0 +1,42 @@ +/* + * yosys -- Yosys Open SYnthesis Suite + * + * Copyright (C) 2012 Clifford Wolf + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +// ============================================================================ +// FF mapping + +`ifndef _NO_FFS + +module \$_DFF_N_ (input D, C, output Q); FDRE_1 #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .R(1'b0)); endmodule +module \$_DFF_P_ (input D, C, output Q); FDRE #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .R(1'b0)); endmodule + +module \$_DFFE_NP_ (input D, C, E, output Q); FDRE_1 #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(E), .R(1'b0)); endmodule +module \$_DFFE_PP_ (input D, C, E, output Q); FDRE #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(E), .R(1'b0)); endmodule + +module \$_DFF_NN0_ (input D, C, R, output Q); FDCE_1 #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR(!R)); endmodule +module \$_DFF_NP0_ (input D, C, R, output Q); FDCE_1 #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR( R)); endmodule +module \$_DFF_PN0_ (input D, C, R, output Q); FDCE #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR(!R)); endmodule +module \$_DFF_PP0_ (input D, C, R, output Q); FDCE #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR( R)); endmodule + +module \$_DFF_NN1_ (input D, C, R, output Q); FDPE_1 #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE(!R)); endmodule +module \$_DFF_NP1_ (input D, C, R, output Q); FDPE_1 #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE( R)); endmodule +module \$_DFF_PN1_ (input D, C, R, output Q); FDPE #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE(!R)); endmodule +module \$_DFF_PP1_ (input D, C, R, output Q); FDPE #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE( R)); endmodule + +`endif + diff --git a/techlibs/xilinx/lut2lut.v b/techlibs/xilinx/lut2lut.v deleted file mode 100644 index 061ad2041..000000000 --- a/techlibs/xilinx/lut2lut.v +++ /dev/null @@ -1,65 +0,0 @@ -module LUT1(output O, input I0); - parameter [1:0] INIT = 0; - \$lut #( - .WIDTH(1), - .LUT(INIT) - ) _TECHMAP_REPLACE_ ( - .A(I0), - .Y(O) - ); -endmodule - -module LUT2(output O, input I0, I1); - parameter [3:0] INIT = 0; - \$lut #( - .WIDTH(2), - .LUT(INIT) - ) _TECHMAP_REPLACE_ ( - .A({I1, I0}), - .Y(O) - ); -endmodule - -module LUT3(output O, input I0, I1, I2); - parameter [7:0] INIT = 0; - \$lut #( - .WIDTH(3), - .LUT(INIT) - ) _TECHMAP_REPLACE_ ( - .A({I2, I1, I0}), - .Y(O) - ); -endmodule - -module LUT4(output O, input I0, I1, I2, I3); - parameter [15:0] INIT = 0; - \$lut #( - .WIDTH(4), - .LUT(INIT) - ) _TECHMAP_REPLACE_ ( - .A({I3, I2, I1, I0}), - .Y(O) - ); -endmodule - -module LUT5(output O, input I0, I1, I2, I3, I4); - parameter [31:0] INIT = 0; - \$lut #( - .WIDTH(5), - .LUT(INIT) - ) _TECHMAP_REPLACE_ ( - .A({I4, I3, I2, I1, I0}), - .Y(O) - ); -endmodule - -module LUT6(output O, input I0, I1, I2, I3, I4, I5); - parameter [63:0] INIT = 0; - \$lut #( - .WIDTH(6), - .LUT(INIT) - ) _TECHMAP_REPLACE_ ( - .A({I5, I4, I3, I2, I1, I0}), - .Y(O) - ); -endmodule diff --git a/techlibs/xilinx/lut_map.v b/techlibs/xilinx/lut_map.v new file mode 100644 index 000000000..d07c59dee --- /dev/null +++ b/techlibs/xilinx/lut_map.v @@ -0,0 +1,94 @@ +/* + * yosys -- Yosys Open SYnthesis Suite + * + * Copyright (C) 2012 Clifford Wolf + * + * 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. + * + */ + +// ============================================================================ +// LUT mapping + +`ifndef _NO_LUTS + +module \$lut (A, Y); + parameter WIDTH = 0; + parameter LUT = 0; + + input [WIDTH-1:0] A; + output Y; + + generate + if (WIDTH == 1) begin + LUT1 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y), + .I0(A[0])); + end else + if (WIDTH == 2) begin + LUT2 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y), + .I0(A[0]), .I1(A[1])); + end else + if (WIDTH == 3) begin + LUT3 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y), + .I0(A[0]), .I1(A[1]), .I2(A[2])); + end else + if (WIDTH == 4) begin + LUT4 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y), + .I0(A[0]), .I1(A[1]), .I2(A[2]), + .I3(A[3])); + end else + if (WIDTH == 5) begin + LUT5 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y), + .I0(A[0]), .I1(A[1]), .I2(A[2]), + .I3(A[3]), .I4(A[4])); + end else + if (WIDTH == 6) begin + LUT6 #(.INIT(LUT)) _TECHMAP_REPLACE_ (.O(Y), + .I0(A[0]), .I1(A[1]), .I2(A[2]), + .I3(A[3]), .I4(A[4]), .I5(A[5])); + end else + if (WIDTH == 7) begin + wire T0, T1; + LUT6 #(.INIT(LUT[63:0])) fpga_lut_0 (.O(T0), + .I0(A[0]), .I1(A[1]), .I2(A[2]), + .I3(A[3]), .I4(A[4]), .I5(A[5])); + LUT6 #(.INIT(LUT[127:64])) fpga_lut_1 (.O(T1), + .I0(A[0]), .I1(A[1]), .I2(A[2]), + .I3(A[3]), .I4(A[4]), .I5(A[5])); + MUXF7 fpga_mux_0 (.O(Y), .I0(T0), .I1(T1), .S(A[6])); + end else + if (WIDTH == 8) begin + wire T0, T1, T2, T3, T4, T5; + LUT6 #(.INIT(LUT[63:0])) fpga_lut_0 (.O(T0), + .I0(A[0]), .I1(A[1]), .I2(A[2]), + .I3(A[3]), .I4(A[4]), .I5(A[5])); + LUT6 #(.INIT(LUT[127:64])) fpga_lut_1 (.O(T1), + .I0(A[0]), .I1(A[1]), .I2(A[2]), + .I3(A[3]), .I4(A[4]), .I5(A[5])); + LUT6 #(.INIT(LUT[191:128])) fpga_lut_2 (.O(T2), + .I0(A[0]), .I1(A[1]), .I2(A[2]), + .I3(A[3]), .I4(A[4]), .I5(A[5])); + LUT6 #(.INIT(LUT[255:192])) fpga_lut_3 (.O(T3), + .I0(A[0]), .I1(A[1]), .I2(A[2]), + .I3(A[3]), .I4(A[4]), .I5(A[5])); + MUXF7 fpga_mux_0 (.O(T4), .I0(T0), .I1(T1), .S(A[6])); + MUXF7 fpga_mux_1 (.O(T5), .I0(T2), .I1(T3), .S(A[6])); + MUXF8 fpga_mux_2 (.O(Y), .I0(T4), .I1(T5), .S(A[7])); + end else begin + wire _TECHMAP_FAIL_ = 1; + end + endgenerate +endmodule + +`endif + diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index 6c11d885d..60cfde604 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -63,6 +63,12 @@ struct SynthXilinxPass : public Pass log(" generate an output netlist (and BLIF file) suitable for VPR\n"); log(" (this feature is experimental and incomplete)\n"); log("\n"); + log(" -no-brams\n"); + log(" disable infering of block rams\n"); + log("\n"); + log(" -no-drams\n"); + log(" disable infering of distributed rams\n"); + log("\n"); log(" -run :\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"); @@ -90,11 +96,11 @@ struct SynthXilinxPass : public Pass log(" coarse:\n"); log(" synth -run coarse\n"); log("\n"); - log(" bram:\n"); + log(" bram: (only executed when '-no-brams' is not given)\n"); log(" memory_bram -rules +/xilinx/brams.txt\n"); log(" techmap -map +/xilinx/brams_map.v\n"); log("\n"); - log(" dram:\n"); + log(" dram: (only executed when '-no-drams' is not given)\n"); log(" memory_bram -rules +/xilinx/drams.txt\n"); log(" techmap -map +/xilinx/drams_map.v\n"); log("\n"); @@ -104,16 +110,17 @@ struct SynthXilinxPass : public Pass log(" dffsr2dff\n"); log(" dff2dffe\n"); log(" opt -full\n"); - log(" techmap -map +/techmap.v -map +/xilinx/arith_map.v\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]\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 (with -D NO_LUT in vpr mode)\n"); - log(" dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT\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(" clean\n"); log("\n"); log(" check:\n"); @@ -137,6 +144,8 @@ struct SynthXilinxPass : public Pass bool flatten = false; bool retime = false; bool vpr = false; + bool noBrams = false; + bool noDrams = false; size_t argidx; for (argidx = 1; argidx < args.size(); argidx++) @@ -173,6 +182,14 @@ struct SynthXilinxPass : public Pass vpr = true; continue; } + if (args[argidx] == "-no-brams") { + noBrams = true; + continue; + } + if (args[argidx] == "-no-drams") { + noDrams = true; + continue; + } break; } extra_args(args, argidx, design); @@ -187,9 +204,18 @@ struct SynthXilinxPass : public Pass if (check_label(active, run_from, run_to, "begin")) { - Pass::call(design, "read_verilog -lib +/xilinx/cells_sim.v"); + 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"); + } + Pass::call(design, "read_verilog -lib +/xilinx/cells_xtra.v"); - Pass::call(design, "read_verilog -lib +/xilinx/brams_bb.v"); + + if (!noBrams) { + Pass::call(design, "read_verilog -lib +/xilinx/brams_bb.v"); + } + Pass::call(design, stringf("hierarchy -check %s", top_opt.c_str())); } @@ -206,14 +232,18 @@ struct SynthXilinxPass : public Pass if (check_label(active, run_from, run_to, "bram")) { - Pass::call(design, "memory_bram -rules +/xilinx/brams.txt"); - Pass::call(design, "techmap -map +/xilinx/brams_map.v"); + if (!noBrams) { + Pass::call(design, "memory_bram -rules +/xilinx/brams.txt"); + Pass::call(design, "techmap -map +/xilinx/brams_map.v"); + } } if (check_label(active, run_from, run_to, "dram")) { - Pass::call(design, "memory_bram -rules +/xilinx/drams.txt"); - Pass::call(design, "techmap -map +/xilinx/drams_map.v"); + if (!noDrams) { + Pass::call(design, "memory_bram -rules +/xilinx/drams.txt"); + Pass::call(design, "techmap -map +/xilinx/drams_map.v"); + } } if (check_label(active, run_from, run_to, "fine")) @@ -223,7 +253,14 @@ struct SynthXilinxPass : public Pass Pass::call(design, "dffsr2dff"); Pass::call(design, "dff2dffe"); Pass::call(design, "opt -full"); - Pass::call(design, "techmap -map +/techmap.v -map +/xilinx/arith_map.v"); + + 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"); + } + + Pass::call(design, "hierarchy -check"); Pass::call(design, "opt -fast"); } @@ -231,14 +268,13 @@ struct SynthXilinxPass : public Pass { 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(active, run_from, run_to, "map_cells")) { Pass::call(design, "techmap -map +/xilinx/cells_map.v"); - if (vpr) - Pass::call(design, "techmap -map +/xilinx/lut2lut.v"); - Pass::call(design, "dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT"); + Pass::call(design, "dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT -ff FDSE Q INIT"); Pass::call(design, "clean"); } -- cgit v1.2.3 From eccaf101d8324f518ed89134b4f21d2bdc636a8d Mon Sep 17 00:00:00 2001 From: Keith Rothman <537074+litghost@users.noreply.github.com> Date: Fri, 1 Mar 2019 12:14:27 -0800 Subject: Modify arguments to match existing style. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com> --- techlibs/xilinx/synth_xilinx.cc | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'techlibs') diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index 60cfde604..12ad9fdaf 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -63,10 +63,10 @@ struct SynthXilinxPass : public Pass log(" generate an output netlist (and BLIF file) suitable for VPR\n"); log(" (this feature is experimental and incomplete)\n"); log("\n"); - log(" -no-brams\n"); + log(" -nobrams\n"); log(" disable infering of block rams\n"); log("\n"); - log(" -no-drams\n"); + log(" -nodrams\n"); log(" disable infering of distributed rams\n"); log("\n"); log(" -run :\n"); @@ -96,11 +96,11 @@ struct SynthXilinxPass : public Pass log(" coarse:\n"); log(" synth -run coarse\n"); log("\n"); - log(" bram: (only executed when '-no-brams' is not given)\n"); + log(" bram: (only executed when '-nobrams' 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 '-no-drams' is not given)\n"); + log(" dram: (only executed when '-nodrams' is not given)\n"); log(" memory_bram -rules +/xilinx/drams.txt\n"); log(" techmap -map +/xilinx/drams_map.v\n"); log("\n"); @@ -182,11 +182,11 @@ struct SynthXilinxPass : public Pass vpr = true; continue; } - if (args[argidx] == "-no-brams") { + if (args[argidx] == "-nobrams") { noBrams = true; continue; } - if (args[argidx] == "-no-drams") { + if (args[argidx] == "-nodrams") { noDrams = true; continue; } -- cgit v1.2.3 From 5ebeca12eb0bf9317acec3d619021ab337d445ba Mon Sep 17 00:00:00 2001 From: Keith Rothman <537074+litghost@users.noreply.github.com> Date: Fri, 1 Mar 2019 14:35:14 -0800 Subject: Use singular for disabling of DRAM or BRAM inference. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com> --- techlibs/xilinx/synth_xilinx.cc | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) (limited to 'techlibs') diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index 12ad9fdaf..9e7559944 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -63,10 +63,10 @@ struct SynthXilinxPass : public Pass log(" generate an output netlist (and BLIF file) suitable for VPR\n"); log(" (this feature is experimental and incomplete)\n"); log("\n"); - log(" -nobrams\n"); + log(" -nobram\n"); log(" disable infering of block rams\n"); log("\n"); - log(" -nodrams\n"); + log(" -nodram\n"); log(" disable infering of distributed rams\n"); log("\n"); log(" -run :\n"); @@ -96,11 +96,11 @@ struct SynthXilinxPass : public Pass log(" coarse:\n"); log(" synth -run coarse\n"); log("\n"); - log(" bram: (only executed when '-nobrams' is not given)\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 '-nodrams' is not given)\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"); @@ -144,8 +144,8 @@ struct SynthXilinxPass : public Pass bool flatten = false; bool retime = false; bool vpr = false; - bool noBrams = false; - bool noDrams = false; + bool nobram = false; + bool nodram = false; size_t argidx; for (argidx = 1; argidx < args.size(); argidx++) @@ -182,12 +182,12 @@ struct SynthXilinxPass : public Pass vpr = true; continue; } - if (args[argidx] == "-nobrams") { - noBrams = true; + if (args[argidx] == "-nobram") { + nobram = true; continue; } - if (args[argidx] == "-nodrams") { - noDrams = true; + if (args[argidx] == "-nodram") { + nodram = true; continue; } break; @@ -212,7 +212,7 @@ struct SynthXilinxPass : public Pass Pass::call(design, "read_verilog -lib +/xilinx/cells_xtra.v"); - if (!noBrams) { + if (!nobram) { Pass::call(design, "read_verilog -lib +/xilinx/brams_bb.v"); } @@ -232,7 +232,7 @@ struct SynthXilinxPass : public Pass if (check_label(active, run_from, run_to, "bram")) { - if (!noBrams) { + if (!nobram) { Pass::call(design, "memory_bram -rules +/xilinx/brams.txt"); Pass::call(design, "techmap -map +/xilinx/brams_map.v"); } @@ -240,7 +240,7 @@ struct SynthXilinxPass : public Pass if (check_label(active, run_from, run_to, "dram")) { - if (!noDrams) { + if (!nodram) { Pass::call(design, "memory_bram -rules +/xilinx/drams.txt"); Pass::call(design, "techmap -map +/xilinx/drams_map.v"); } -- cgit v1.2.3 From 3e16f75bc6f490cada2b9c4e9b4962a66b1e8008 Mon Sep 17 00:00:00 2001 From: Keith Rothman <537074+litghost@users.noreply.github.com> Date: Fri, 1 Mar 2019 14:41:21 -0800 Subject: Revert FF models to include IS_x_INVERTED parameters. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com> --- techlibs/xilinx/cells_sim.v | 40 ++++++++++++++++++++++++++++++++++------ 1 file changed, 34 insertions(+), 6 deletions(-) (limited to 'techlibs') diff --git a/techlibs/xilinx/cells_sim.v b/techlibs/xilinx/cells_sim.v index 787b37cc8..ff5ff0726 100644 --- a/techlibs/xilinx/cells_sim.v +++ b/techlibs/xilinx/cells_sim.v @@ -147,26 +147,54 @@ endmodule module FDRE (output reg Q, input C, CE, D, R); parameter [0:0] INIT = 1'b0; + parameter [0:0] IS_C_INVERTED = 1'b0; + parameter [0:0] IS_D_INVERTED = 1'b0; + parameter [0:0] IS_R_INVERTED = 1'b0; initial Q <= INIT; - always @(posedge C) if (R) Q <= 1'b0; else if(CE) Q <= D; + generate case (|IS_C_INVERTED) + 1'b0: always @(posedge C) if (R == !IS_R_INVERTED) Q <= 1'b0; else if (CE) Q <= D ^ IS_D_INVERTED; + 1'b1: always @(negedge C) if (R == !IS_R_INVERTED) Q <= 1'b0; else if (CE) Q <= D ^ IS_D_INVERTED; + endcase endgenerate endmodule module FDSE (output reg Q, input C, CE, D, S); - parameter [0:0] INIT = 1'b1; + parameter [0:0] INIT = 1'b0; + parameter [0:0] IS_C_INVERTED = 1'b0; + parameter [0:0] IS_D_INVERTED = 1'b0; + parameter [0:0] IS_S_INVERTED = 1'b0; initial Q <= INIT; - always @(posedge C) if (S) Q <= 1'b1; else if(CE) Q <= D; + generate case (|IS_C_INVERTED) + 1'b0: always @(posedge C) if (S == !IS_S_INVERTED) Q <= 1'b1; else if (CE) Q <= D ^ IS_D_INVERTED; + 1'b1: always @(negedge C) if (S == !IS_S_INVERTED) Q <= 1'b1; else if (CE) Q <= D ^ IS_D_INVERTED; + endcase endgenerate endmodule module FDCE (output reg Q, input C, CE, D, CLR); parameter [0:0] INIT = 1'b0; + parameter [0:0] IS_C_INVERTED = 1'b0; + parameter [0:0] IS_D_INVERTED = 1'b0; + parameter [0:0] IS_CLR_INVERTED = 1'b0; initial Q <= INIT; - always @(posedge C, posedge CLR) if (CLR) Q <= 1'b0; else if (CE) Q <= D; + generate case ({|IS_C_INVERTED, |IS_CLR_INVERTED}) + 2'b00: always @(posedge C, posedge CLR) if ( CLR) Q <= 1'b0; else if (CE) Q <= D ^ IS_D_INVERTED; + 2'b01: always @(posedge C, negedge CLR) if (!CLR) Q <= 1'b0; else if (CE) Q <= D ^ IS_D_INVERTED; + 2'b10: always @(negedge C, posedge CLR) if ( CLR) Q <= 1'b0; else if (CE) Q <= D ^ IS_D_INVERTED; + 2'b11: always @(negedge C, negedge CLR) if (!CLR) Q <= 1'b0; else if (CE) Q <= D ^ IS_D_INVERTED; + endcase endgenerate endmodule module FDPE (output reg Q, input C, CE, D, PRE); - parameter [0:0] INIT = 1'b1; + parameter [0:0] INIT = 1'b0; + parameter [0:0] IS_C_INVERTED = 1'b0; + parameter [0:0] IS_D_INVERTED = 1'b0; + parameter [0:0] IS_PRE_INVERTED = 1'b0; initial Q <= INIT; - always @(negedge C, posedge PRE) if (PRE) Q <= 1'b1; else if (CE) Q <= D; + generate case ({|IS_C_INVERTED, |IS_PRE_INVERTED}) + 2'b00: always @(posedge C, posedge PRE) if ( PRE) Q <= 1'b1; else if (CE) Q <= D ^ IS_D_INVERTED; + 2'b01: always @(posedge C, negedge PRE) if (!PRE) Q <= 1'b1; else if (CE) Q <= D ^ IS_D_INVERTED; + 2'b10: always @(negedge C, posedge PRE) if ( PRE) Q <= 1'b1; else if (CE) Q <= D ^ IS_D_INVERTED; + 2'b11: always @(negedge C, negedge PRE) if (!PRE) Q <= 1'b1; else if (CE) Q <= D ^ IS_D_INVERTED; + endcase endgenerate endmodule module FDRE_1 (output reg Q, input C, CE, D, R); -- cgit v1.2.3 From 777864d02ea3382c822a764e928e06b6142da6ec Mon Sep 17 00:00:00 2001 From: David Shah Date: Mon, 4 Mar 2019 11:18:53 +0000 Subject: ecp5: Demote conflicting FF init values to a warning Signed-off-by: David Shah --- techlibs/ecp5/ecp5_ffinit.cc | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'techlibs') diff --git a/techlibs/ecp5/ecp5_ffinit.cc b/techlibs/ecp5/ecp5_ffinit.cc index 02945fff4..dbd16cac9 100644 --- a/techlibs/ecp5/ecp5_ffinit.cc +++ b/techlibs/ecp5/ecp5_ffinit.cc @@ -79,10 +79,12 @@ struct Ecp5FfinitPass : public Pass { continue; if (initbits.count(bit)) { - if (initbits.at(bit) != val) - log_error("Conflicting init values for signal %s (%s = %s, %s = %s).\n", + if (initbits.at(bit) != val) { + log_warning("Conflicting init values for signal %s (%s = %s, %s = %s).\n", log_signal(bit), log_signal(SigBit(wire, i)), log_signal(val), log_signal(initbit_to_wire[bit]), log_signal(initbits.at(bit))); + initbits.at(bit) = State::Sx; + } continue; } @@ -121,6 +123,9 @@ struct Ecp5FfinitPass : public Pass { State val = initbits.at(bit_q); + if (val == State::Sx) + continue; + log("FF init value for cell %s (%s): %s = %c\n", log_id(cell), log_id(cell->type), log_signal(bit_q), val != State::S0 ? '1' : '0'); // Initval is the same as the reset state. Matches hardware, nowt more to do -- cgit v1.2.3 From 228f132ec388fd8d0791ed3f0944b850de054370 Mon Sep 17 00:00:00 2001 From: Keith Rothman <537074+litghost@users.noreply.github.com> Date: Mon, 4 Mar 2019 09:22:22 -0800 Subject: Revert BRAM WRITE_MODE changes. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com> --- techlibs/xilinx/brams_map.v | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) (limited to 'techlibs') diff --git a/techlibs/xilinx/brams_map.v b/techlibs/xilinx/brams_map.v index 2a23b2553..7ea49158d 100644 --- a/techlibs/xilinx/brams_map.v +++ b/techlibs/xilinx/brams_map.v @@ -30,8 +30,8 @@ module \$__XILINX_RAMB36_SDP (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, .RAM_MODE("SDP"), .READ_WIDTH_A(72), .WRITE_WIDTH_B(72), - .WRITE_MODE_A("WRITE_FIRST"), - .WRITE_MODE_B("WRITE_FIRST"), + .WRITE_MODE_A("READ_FIRST"), + .WRITE_MODE_B("READ_FIRST"), .IS_CLKARDCLK_INVERTED(!CLKPOL2), .IS_CLKBWRCLK_INVERTED(!CLKPOL3), `include "brams_init_36.vh" @@ -95,8 +95,8 @@ module \$__XILINX_RAMB18_SDP (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, .RAM_MODE("SDP"), .READ_WIDTH_A(36), .WRITE_WIDTH_B(36), - .WRITE_MODE_A("WRITE_FIRST"), - .WRITE_MODE_B("WRITE_FIRST"), + .WRITE_MODE_A("READ_FIRST"), + .WRITE_MODE_B("READ_FIRST"), .IS_CLKARDCLK_INVERTED(!CLKPOL2), .IS_CLKBWRCLK_INVERTED(!CLKPOL3), `include "brams_init_18.vh" @@ -171,8 +171,8 @@ module \$__XILINX_RAMB36_TDP (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, .READ_WIDTH_B(CFG_DBITS), .WRITE_WIDTH_A(CFG_DBITS), .WRITE_WIDTH_B(CFG_DBITS), - .WRITE_MODE_A("WRITE_FIRST"), - .WRITE_MODE_B("WRITE_FIRST"), + .WRITE_MODE_A("READ_FIRST"), + .WRITE_MODE_B("READ_FIRST"), .IS_CLKARDCLK_INVERTED(!CLKPOL2), .IS_CLKBWRCLK_INVERTED(!CLKPOL3), `include "brams_init_36.vh" @@ -209,8 +209,8 @@ module \$__XILINX_RAMB36_TDP (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, .READ_WIDTH_B(CFG_DBITS), .WRITE_WIDTH_A(CFG_DBITS), .WRITE_WIDTH_B(CFG_DBITS), - .WRITE_MODE_A("WRITE_FIRST"), - .WRITE_MODE_B("WRITE_FIRST"), + .WRITE_MODE_A("READ_FIRST"), + .WRITE_MODE_B("READ_FIRST"), .IS_CLKARDCLK_INVERTED(!CLKPOL2), .IS_CLKBWRCLK_INVERTED(!CLKPOL3), `include "brams_init_32.vh" @@ -285,8 +285,8 @@ module \$__XILINX_RAMB18_TDP (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, .READ_WIDTH_B(CFG_DBITS), .WRITE_WIDTH_A(CFG_DBITS), .WRITE_WIDTH_B(CFG_DBITS), - .WRITE_MODE_A("WRITE_FIRST"), - .WRITE_MODE_B("WRITE_FIRST"), + .WRITE_MODE_A("READ_FIRST"), + .WRITE_MODE_B("READ_FIRST"), .IS_CLKARDCLK_INVERTED(!CLKPOL2), .IS_CLKBWRCLK_INVERTED(!CLKPOL3), `include "brams_init_18.vh" @@ -323,8 +323,8 @@ module \$__XILINX_RAMB18_TDP (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, .READ_WIDTH_B(CFG_DBITS), .WRITE_WIDTH_A(CFG_DBITS), .WRITE_WIDTH_B(CFG_DBITS), - .WRITE_MODE_A("WRITE_FIRST"), - .WRITE_MODE_B("WRITE_FIRST"), + .WRITE_MODE_A("READ_FIRST"), + .WRITE_MODE_B("READ_FIRST"), .IS_CLKARDCLK_INVERTED(!CLKPOL2), .IS_CLKBWRCLK_INVERTED(!CLKPOL3), `include "brams_init_16.vh" -- cgit v1.2.3 From 13844c765818b5d8c0d16d62dcc530f688d2c28a Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Tue, 5 Mar 2019 15:16:13 -0800 Subject: Use "write_edif -pvector bra" for Xilinx EDIF files Signed-off-by: Clifford Wolf --- techlibs/xilinx/synth_xilinx.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'techlibs') diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index 6c11d885d..3632f348f 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -252,7 +252,7 @@ struct SynthXilinxPass : public Pass if (check_label(active, run_from, run_to, "edif")) { if (!edif_file.empty()) - Pass::call(design, stringf("write_edif %s", edif_file.c_str())); + Pass::call(design, stringf("write_edif -pvector bra %s", edif_file.c_str())); } if (check_label(active, run_from, run_to, "blif")) { -- cgit v1.2.3 From da5181a3df6ceed96f1762e4cdaec5cbe3ea23db Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Tue, 5 Mar 2019 19:49:39 -0800 Subject: Improvements in SF2 flow and demo Signed-off-by: Clifford Wolf --- techlibs/sf2/sf2_iobs.cc | 15 ++++++++++----- techlibs/sf2/synth_sf2.cc | 16 +++++++++++++--- 2 files changed, 23 insertions(+), 8 deletions(-) (limited to 'techlibs') diff --git a/techlibs/sf2/sf2_iobs.cc b/techlibs/sf2/sf2_iobs.cc index 27141430c..a85552575 100644 --- a/techlibs/sf2/sf2_iobs.cc +++ b/techlibs/sf2/sf2_iobs.cc @@ -33,18 +33,23 @@ struct Sf2IobsPass : public Pass { log("\n"); log("Add SF2 I/O buffers to top module IOs as needed.\n"); log("\n"); + log(" -noclkbuf\n"); + log(" Do not insert clock buffers\n"); + log("\n"); } void execute(std::vector args, RTLIL::Design *design) YS_OVERRIDE { + bool noclkbuf_mode = false; + log_header(design, "Executing sf2_iobs pass (insert IO buffers).\n"); size_t argidx; for (argidx = 1; argidx < args.size(); argidx++) { - // if (args[argidx] == "-singleton") { - // singleton_mode = true; - // continue; - // } + if (args[argidx] == "-noclkbuf") { + noclkbuf_mode = true; + continue; + } break; } extra_args(args, argidx, design); @@ -94,7 +99,7 @@ struct Sf2IobsPass : public Pass { if (wire->port_output) { buf_type = "\\OUTBUF"; buf_port = "\\D"; - } else if (clk_bits.count(canonical_bit)) { + } else if (clk_bits.count(canonical_bit) && !noclkbuf_mode) { buf_type = "\\CLKBUF"; buf_port = "\\Y"; } else { diff --git a/techlibs/sf2/synth_sf2.cc b/techlibs/sf2/synth_sf2.cc index bdc20456d..b834af07d 100644 --- a/techlibs/sf2/synth_sf2.cc +++ b/techlibs/sf2/synth_sf2.cc @@ -63,6 +63,9 @@ struct SynthSf2Pass : public ScriptPass log(" -noiobs\n"); log(" run synthesis in \"block mode\", i.e. do not insert IO buffers\n"); log("\n"); + log(" -noclkbuf\n"); + log(" do not inser clock buffers, only simpe IO buffers\n"); + log("\n"); log(" -retime\n"); log(" run 'abc' with -dff option\n"); log("\n"); @@ -73,7 +76,7 @@ struct SynthSf2Pass : public ScriptPass } string top_opt, edif_file, vlog_file, json_file; - bool flatten, retime, iobs; + bool flatten, retime, iobs, clkbuf; void clear_flags() YS_OVERRIDE { @@ -84,6 +87,7 @@ struct SynthSf2Pass : public ScriptPass flatten = true; retime = false; iobs = true; + clkbuf = true; } void execute(std::vector args, RTLIL::Design *design) YS_OVERRIDE @@ -130,6 +134,10 @@ struct SynthSf2Pass : public ScriptPass iobs = false; continue; } + if (args[argidx] == "-noclkbuf") { + clkbuf = false; + continue; + } break; } extra_args(args, argidx, design); @@ -201,8 +209,10 @@ struct SynthSf2Pass : public ScriptPass if (check_label("map_iobs")) { - if (iobs || help_mode) - run("sf2_iobs", "(unless -noiobs)"); + if (help_mode) + run("sf2_iobs [-noclkbuf]", "(unless -noiobs)"); + else if (iobs) + run(clkbuf ? "sf2_iobs" : "sf2_iobs -noclkbuf"); run("clean"); } -- cgit v1.2.3 From 78762316aabf6d6fb55cfd4ab5b5a161a69ba203 Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Wed, 6 Mar 2019 00:41:02 -0800 Subject: Refactor SF2 iobuf insertion, Add clkint insertion Signed-off-by: Clifford Wolf --- techlibs/sf2/cells_sim.v | 7 ++ techlibs/sf2/sf2_iobs.cc | 214 ++++++++++++++++++++++++++++++---------------- techlibs/sf2/synth_sf2.cc | 14 +-- 3 files changed, 152 insertions(+), 83 deletions(-) (limited to 'techlibs') diff --git a/techlibs/sf2/cells_sim.v b/techlibs/sf2/cells_sim.v index f967068af..b49101616 100644 --- a/techlibs/sf2/cells_sim.v +++ b/techlibs/sf2/cells_sim.v @@ -74,6 +74,13 @@ module CFG4 ( assign Y = INIT >> {D, C, B, A}; endmodule +module CLKINT ( + input A, + output Y +); + assign Y = A; +endmodule + module CLKBUF ( input PAD, output Y diff --git a/techlibs/sf2/sf2_iobs.cc b/techlibs/sf2/sf2_iobs.cc index a85552575..dea8e353b 100644 --- a/techlibs/sf2/sf2_iobs.cc +++ b/techlibs/sf2/sf2_iobs.cc @@ -23,6 +23,136 @@ USING_YOSYS_NAMESPACE PRIVATE_NAMESPACE_BEGIN +static void handle_iobufs(Module *module, bool clkbuf_mode) +{ + SigMap sigmap(module); + + pool clk_bits; + pool handled_io_bits; + dict rewrite_bits; + vector> pad_bits; + + for (auto cell : module->cells()) + { + if (clkbuf_mode && cell->type == "\\SLE") { + for (auto bit : sigmap(cell->getPort("\\CLK"))) + clk_bits.insert(bit); + } + if (cell->type.in("\\INBUF", "\\OUTBUF", "\\TRIBUF", "\\BIBUF", "\\CLKBUF", "\\CLKBIBUF", + "\\INBUF_DIFF", "\\OUTBUF_DIFF", "\\BIBUFF_DIFF", "\\TRIBUF_DIFF", "\\CLKBUF_DIFF", + "\\GCLKBUF", "\\GCLKBUF_DIFF", "\\GCLKBIBUF")) { + for (auto bit : sigmap(cell->getPort("\\PAD"))) + handled_io_bits.insert(bit); + } + } + + for (auto wire : vector(module->wires())) + { + if (!wire->port_input && !wire->port_output) + continue; + + for (int index = 0; index < GetSize(wire); index++) + { + SigBit bit(wire, index); + SigBit canonical_bit = sigmap(bit); + + if (handled_io_bits.count(canonical_bit)) + continue; + + if (wire->port_input && wire->port_output) + log_error("Failed to add buffer for inout port bit %s.\n", log_signal(bit)); + + IdString buf_type, buf_port; + + if (wire->port_output) { + buf_type = "\\OUTBUF"; + buf_port = "\\D"; + } else if (clkbuf_mode && clk_bits.count(canonical_bit)) { + buf_type = "\\CLKBUF"; + buf_port = "\\Y"; + } else { + buf_type = "\\INBUF"; + buf_port = "\\Y"; + } + + Cell *c = module->addCell(NEW_ID, buf_type); + SigBit new_bit = module->addWire(NEW_ID); + c->setPort(buf_port, new_bit); + pad_bits.push_back(make_pair(c, bit)); + rewrite_bits[canonical_bit] = new_bit; + + log("Added %s cell %s for port bit %s.\n", log_id(c->type), log_id(c), log_signal(bit)); + } + } + + auto rewrite_function = [&](SigSpec &s) { + for (auto &bit : s) { + SigBit canonical_bit = sigmap(bit); + if (rewrite_bits.count(canonical_bit)) + bit = rewrite_bits.at(canonical_bit); + } + }; + + module->rewrite_sigspecs(rewrite_function); + + for (auto &it : pad_bits) + it.first->setPort("\\PAD", it.second); +} + +static void handle_clkint(Module *module) +{ + SigMap sigmap(module); + + pool clk_bits; + vector handled_clk_bits; + + for (auto cell : module->cells()) + { + if (cell->type == "\\SLE") { + for (auto bit : sigmap(cell->getPort("\\CLK"))) + clk_bits.insert(bit); + } + if (cell->type.in("\\CLKBUF", "\\CLKBIBUF", "\\CLKBUF_DIFF", "\\GCLKBUF", "\\GCLKBUF_DIFF", "\\GCLKBIBUF", + "\\CLKINT", "\\CLKINT_PRESERVE", "\\GCLKINT", "\\RCLKINT", "\\RGCLKINT")) { + for (auto bit : sigmap(cell->getPort("\\Y"))) + handled_clk_bits.push_back(bit); + } + } + + for (auto bit : handled_clk_bits) + clk_bits.erase(bit); + + for (auto cell : vector(module->cells())) + for (auto &conn : cell->connections()) + { + if (!cell->output(conn.first)) + continue; + + SigSpec sig = conn.second; + bool did_something = false; + + for (auto &bit : sig) { + SigBit canonical_bit = sigmap(bit); + if (clk_bits.count(canonical_bit)) { + Cell *c = module->addCell(NEW_ID, "\\CLKINT"); + SigBit new_bit = module->addWire(NEW_ID); + c->setPort("\\A", new_bit); + c->setPort("\\Y", bit); + log("Added %s cell %s for clock signal %s.\n", log_id(c->type), log_id(c), log_signal(bit)); + clk_bits.erase(canonical_bit); + did_something = true; + bit = new_bit; + } + } + + if (did_something) + cell->setPort(conn.first, sig); + } + + for (auto bit : clk_bits) + log_error("Failed to insert CLKINT for clock signal %s.\n", log_signal(bit)); +} + struct Sf2IobsPass : public Pass { Sf2IobsPass() : Pass("sf2_iobs", "SF2: insert IO buffers") { } void help() YS_OVERRIDE @@ -31,23 +161,23 @@ struct Sf2IobsPass : public Pass { log("\n"); log(" sf2_iobs [options] [selection]\n"); log("\n"); - log("Add SF2 I/O buffers to top module IOs as needed.\n"); + log("Add SF2 I/O buffers and global buffers to top module as needed.\n"); log("\n"); - log(" -noclkbuf\n"); - log(" Do not insert clock buffers\n"); + log(" -clkbuf\n"); + log(" Insert PAD->global_net clock buffers\n"); log("\n"); } void execute(std::vector args, RTLIL::Design *design) YS_OVERRIDE { - bool noclkbuf_mode = false; + bool clkbuf_mode = false; log_header(design, "Executing sf2_iobs pass (insert IO buffers).\n"); size_t argidx; for (argidx = 1; argidx < args.size(); argidx++) { - if (args[argidx] == "-noclkbuf") { - noclkbuf_mode = true; + if (args[argidx] == "-clkbuf") { + clkbuf_mode = true; continue; } break; @@ -59,76 +189,8 @@ struct Sf2IobsPass : public Pass { if (module == nullptr) log_cmd_error("No top module found.\n"); - SigMap sigmap(module); - - pool clk_bits; - pool handled_io_bits; - dict rewrite_bits; - vector> pad_bits; - - for (auto cell : module->cells()) - { - if (cell->type == "\\SLE") { - for (auto bit : sigmap(cell->getPort("\\CLK"))) - clk_bits.insert(bit); - } - if (cell->type.in("\\INBUF", "\\OUTBUF", "\\CLKBUF")) { - for (auto bit : sigmap(cell->getPort("\\PAD"))) - handled_io_bits.insert(bit); - } - } - - for (auto wire : vector(module->wires())) - { - if (!wire->port_input && !wire->port_output) - continue; - - for (int index = 0; index < GetSize(wire); index++) - { - SigBit bit(wire, index); - SigBit canonical_bit = sigmap(bit); - - if (handled_io_bits.count(canonical_bit)) - continue; - - if (wire->port_input && wire->port_output) - log_error("Failed to add buffer for inout port bit %s.\n", log_signal(bit)); - - IdString buf_type, buf_port; - - if (wire->port_output) { - buf_type = "\\OUTBUF"; - buf_port = "\\D"; - } else if (clk_bits.count(canonical_bit) && !noclkbuf_mode) { - buf_type = "\\CLKBUF"; - buf_port = "\\Y"; - } else { - buf_type = "\\INBUF"; - buf_port = "\\Y"; - } - - Cell *c = module->addCell(NEW_ID, buf_type); - SigBit new_bit = module->addWire(NEW_ID); - c->setPort(buf_port, new_bit); - pad_bits.push_back(make_pair(c, bit)); - rewrite_bits[canonical_bit] = new_bit; - - log("Added %s cell %s for port bit %s.\n", log_id(c->type), log_id(c), log_signal(bit)); - } - } - - auto rewrite_function = [&](SigSpec &s) { - for (auto &bit : s) { - SigBit canonical_bit = sigmap(bit); - if (rewrite_bits.count(canonical_bit)) - bit = rewrite_bits.at(canonical_bit); - } - }; - - module->rewrite_sigspecs(rewrite_function); - - for (auto &it : pad_bits) - it.first->setPort("\\PAD", it.second); + handle_iobufs(module, clkbuf_mode); + handle_clkint(module); } } Sf2IobsPass; diff --git a/techlibs/sf2/synth_sf2.cc b/techlibs/sf2/synth_sf2.cc index b834af07d..0924df7a6 100644 --- a/techlibs/sf2/synth_sf2.cc +++ b/techlibs/sf2/synth_sf2.cc @@ -63,8 +63,8 @@ struct SynthSf2Pass : public ScriptPass log(" -noiobs\n"); log(" run synthesis in \"block mode\", i.e. do not insert IO buffers\n"); log("\n"); - log(" -noclkbuf\n"); - log(" do not inser clock buffers, only simpe IO buffers\n"); + log(" -clkbuf\n"); + log(" insert direct PAD->global_net buffers\n"); log("\n"); log(" -retime\n"); log(" run 'abc' with -dff option\n"); @@ -87,7 +87,7 @@ struct SynthSf2Pass : public ScriptPass flatten = true; retime = false; iobs = true; - clkbuf = true; + clkbuf = false; } void execute(std::vector args, RTLIL::Design *design) YS_OVERRIDE @@ -134,8 +134,8 @@ struct SynthSf2Pass : public ScriptPass iobs = false; continue; } - if (args[argidx] == "-noclkbuf") { - clkbuf = false; + if (args[argidx] == "-clkbuf") { + clkbuf = true; continue; } break; @@ -210,9 +210,9 @@ struct SynthSf2Pass : public ScriptPass if (check_label("map_iobs")) { if (help_mode) - run("sf2_iobs [-noclkbuf]", "(unless -noiobs)"); + run("sf2_iobs [-clkbuf]", "(unless -noiobs)"); else if (iobs) - run(clkbuf ? "sf2_iobs" : "sf2_iobs -noclkbuf"); + run(clkbuf ? "sf2_iobs -clkbuf" : "sf2_iobs"); run("clean"); } -- cgit v1.2.3 From 2d2c1617ee3015368336ceb014a9cd98c60181ed Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Wed, 6 Mar 2019 15:47:54 -0800 Subject: Add sf2 techmap rules for more FF types Signed-off-by: Clifford Wolf --- techlibs/sf2/cells_map.v | 64 +++++++++++++++++++++++++++++------------------- 1 file changed, 39 insertions(+), 25 deletions(-) (limited to 'techlibs') diff --git a/techlibs/sf2/cells_map.v b/techlibs/sf2/cells_map.v index 5b8888294..6ad7807d2 100644 --- a/techlibs/sf2/cells_map.v +++ b/techlibs/sf2/cells_map.v @@ -1,40 +1,54 @@ -// module \$_DFF_N_ (input D, C, output Q); SB_DFFN _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C)); endmodule +module \$_DFF_N_ (input D, C, output Q); + SLE _TECHMAP_REPLACE_ (.D(D), .CLK(!C), .EN(1'b1), .ALn(1'b1), .ADn(1'b1), .SLn(1'b1), .SD(1'b0), .LAT(1'b0), .Q(Q)); +endmodule module \$_DFF_P_ (input D, C, output Q); - SLE _TECHMAP_REPLACE_ ( - .D(D), - .CLK(C), - .EN(1'b1), - .ALn(1'b1), - .ADn(1'b1), - .SLn(1'b1), - .SD(1'b0), - .LAT(1'b0), - .Q(Q) - ); + SLE _TECHMAP_REPLACE_ (.D(D), .CLK(C), .EN(1'b1), .ALn(1'b1), .ADn(1'b1), .SLn(1'b1), .SD(1'b0), .LAT(1'b0), .Q(Q)); +endmodule + +module \$_DFF_NN0_ (input D, C, R, output Q); + SLE _TECHMAP_REPLACE_ (.D(D), .CLK(!C), .EN(1'b1), .ALn(R), .ADn(1'b1), .SLn(1'b1), .SD(1'b0), .LAT(1'b0), .Q(Q)); +endmodule + +module \$_DFF_NN1_ (input D, C, R, output Q); + SLE _TECHMAP_REPLACE_ (.D(D), .CLK(!C), .EN(1'b1), .ALn(R), .ADn(1'b0), .SLn(1'b1), .SD(1'b0), .LAT(1'b0), .Q(Q)); +endmodule + +module \$_DFF_NP0_ (input D, C, R, output Q); + SLE _TECHMAP_REPLACE_ (.D(D), .CLK(!C), .EN(1'b1), .ALn(!R), .ADn(1'b1), .SLn(1'b1), .SD(1'b0), .LAT(1'b0), .Q(Q)); +endmodule + +module \$_DFF_NP1_ (input D, C, R, output Q); + SLE _TECHMAP_REPLACE_ (.D(D), .CLK(!C), .EN(1'b1), .ALn(!R), .ADn(1'b0), .SLn(1'b1), .SD(1'b0), .LAT(1'b0), .Q(Q)); +endmodule + +module \$_DFF_PN0_ (input D, C, R, output Q); + SLE _TECHMAP_REPLACE_ (.D(D), .CLK(C), .EN(1'b1), .ALn(R), .ADn(1'b1), .SLn(1'b1), .SD(1'b0), .LAT(1'b0), .Q(Q)); +endmodule + +module \$_DFF_PN1_ (input D, C, R, output Q); + SLE _TECHMAP_REPLACE_ (.D(D), .CLK(C), .EN(1'b1), .ALn(R), .ADn(1'b0), .SLn(1'b1), .SD(1'b0), .LAT(1'b0), .Q(Q)); +endmodule + +module \$_DFF_PP0_ (input D, C, R, output Q); + SLE _TECHMAP_REPLACE_ (.D(D), .CLK(C), .EN(1'b1), .ALn(!R), .ADn(1'b1), .SLn(1'b1), .SD(1'b0), .LAT(1'b0), .Q(Q)); +endmodule + +module \$_DFF_PP1_ (input D, C, R, output Q); + SLE _TECHMAP_REPLACE_ (.D(D), .CLK(C), .EN(1'b1), .ALn(!R), .ADn(1'b0), .SLn(1'b1), .SD(1'b0), .LAT(1'b0), .Q(Q)); endmodule // module \$_DFFE_NN_ (input D, C, E, output Q); SB_DFFNE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(!E)); endmodule // module \$_DFFE_PN_ (input D, C, E, output Q); SB_DFFE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(!E)); endmodule -// +// // module \$_DFFE_NP_ (input D, C, E, output Q); SB_DFFNE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(E)); endmodule // module \$_DFFE_PP_ (input D, C, E, output Q); SB_DFFE _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(E)); endmodule -// -// module \$_DFF_NN0_ (input D, C, R, output Q); SB_DFFNR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(!R)); endmodule -// module \$_DFF_NN1_ (input D, C, R, output Q); SB_DFFNS _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .S(!R)); endmodule -// module \$_DFF_PN0_ (input D, C, R, output Q); SB_DFFR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(!R)); endmodule -// module \$_DFF_PN1_ (input D, C, R, output Q); SB_DFFS _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .S(!R)); endmodule -// -// module \$_DFF_NP0_ (input D, C, R, output Q); SB_DFFNR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(R)); endmodule -// module \$_DFF_NP1_ (input D, C, R, output Q); SB_DFFNS _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .S(R)); endmodule -// module \$_DFF_PP0_ (input D, C, R, output Q); SB_DFFR _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(R)); endmodule -// module \$_DFF_PP1_ (input D, C, R, output Q); SB_DFFS _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .S(R)); endmodule -// +// // module \$__DFFE_NN0 (input D, C, E, R, output Q); SB_DFFNER _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(E), .R(!R)); endmodule // module \$__DFFE_NN1 (input D, C, E, R, output Q); SB_DFFNES _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(E), .S(!R)); endmodule // module \$__DFFE_PN0 (input D, C, E, R, output Q); SB_DFFER _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(E), .R(!R)); endmodule // module \$__DFFE_PN1 (input D, C, E, R, output Q); SB_DFFES _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(E), .S(!R)); endmodule -// +// // module \$__DFFE_NP0 (input D, C, E, R, output Q); SB_DFFNER _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(E), .R(R)); endmodule // module \$__DFFE_NP1 (input D, C, E, R, output Q); SB_DFFNES _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(E), .S(R)); endmodule // module \$__DFFE_PP0 (input D, C, E, R, output Q); SB_DFFER _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .E(E), .R(R)); endmodule -- cgit v1.2.3 From 8b0719d1e328751a50c0c07ec1fc65884fd119fc Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Wed, 6 Mar 2019 16:18:49 -0800 Subject: Improvements in sf2 cells_sim.v Signed-off-by: Clifford Wolf --- techlibs/sf2/cells_sim.v | 277 ++++++++++++++++++++++++++++++++++++++++++----- techlibs/sf2/sf2_iobs.cc | 4 +- 2 files changed, 251 insertions(+), 30 deletions(-) (limited to 'techlibs') diff --git a/techlibs/sf2/cells_sim.v b/techlibs/sf2/cells_sim.v index b49101616..f3f7695cf 100644 --- a/techlibs/sf2/cells_sim.v +++ b/techlibs/sf2/cells_sim.v @@ -1,3 +1,111 @@ +module CFG1 ( + output Y, + input A +); + parameter [1:0] INIT = 2'h0; + assign Y = INIT >> A; +endmodule + +module CFG2 ( + output Y, + input A, + input B +); + parameter [3:0] INIT = 4'h0; + assign Y = INIT >> {B, A}; +endmodule + +module CFG3 ( + output Y, + input A, + input B, + input C +); + parameter [7:0] INIT = 8'h0; + assign Y = INIT >> {C, B, A}; +endmodule + +module CFG4 ( + output Y, + input A, + input B, + input C, + input D +); + parameter [15:0] INIT = 16'h0; + assign Y = INIT >> {D, C, B, A}; +endmodule + +module ADD2 ( + input A, B, + output Y +); + assign Y = A & B; +endmodule + +module ADD3 ( + input A, B, C, + output Y +); + assign Y = A & B & C; +endmodule + +module ADD4 ( + input A, B, C, D, + output Y +); + assign Y = A & B & C & D; +endmodule + +module BUFF ( + input A, + output Y +); + assign Y = A; +endmodule + +module BUFD ( + input A, + output Y +); + assign Y = A; +endmodule + +module CLKINT ( + input A, + output Y +); + assign Y = A; +endmodule + +module CLKINT_PRESERVE ( + input A, + output Y +); + assign Y = A; +endmodule + +module GCLKINT ( + input A, EN, + output Y +); + assign Y = A & EN; +endmodule + +module RCLKINT ( + input A, + output Y +); + assign Y = A; +endmodule + +module RGCLKINT ( + input A, EN, + output Y +); + assign Y = A & EN; +endmodule + module SLE ( output Q, input ADn, @@ -36,51 +144,151 @@ module SLE ( assign Q = LAT ? q_latch : q_ff; endmodule -module CFG1 ( - output Y, - input A +// module AR1 +// module FCEND_BUFF +// module FCINIT_BUFF +// module FLASH_FREEZE +// module OSCILLATOR +// module SYSRESET +// module SYSCTRL_RESET_STATUS +// module LIVE_PROBE_FB +// module GCLKBUF +// module GCLKBUF_DIFF +// module GCLKBIBUF +// module DFN1 +// module DFN1C0 +// module DFN1E1 +// module DFN1E1C0 +// module DFN1E1P0 +// module DFN1P0 +// module DLN1 +// module DLN1C0 +// module DLN1P0 + +module INV ( + input A, + output Y ); - parameter [1:0] INIT = 2'h0; - assign Y = INIT >> A; + assign Y = !A; endmodule -module CFG2 ( - output Y, +module INVD ( input A, - input B + output Y ); - parameter [3:0] INIT = 4'h0; - assign Y = INIT >> {B, A}; + assign Y = !A; endmodule -module CFG3 ( - output Y, - input A, - input B, - input C +module MX2 ( + input A, B, S, + output Y ); - parameter [7:0] INIT = 8'h0; - assign Y = INIT >> {C, B, A}; + assign Y = S ? B : A; endmodule -module CFG4 ( - output Y, - input A, - input B, - input C, - input D +module MX4 ( + input D0, D1, D2, D3, S0, S1, + output Y ); - parameter [15:0] INIT = 16'h0; - assign Y = INIT >> {D, C, B, A}; + assign Y = S1 ? (S0 ? D3 : D2) : (S0 ? D1 : D0); endmodule -module CLKINT ( - input A, +module NAND2 ( + input A, B, output Y ); - assign Y = A; + assign Y = !(A & B); +endmodule + +module NAND3 ( + input A, B, C, + output Y +); + assign Y = !(A & B & C); endmodule +module NAND4 ( + input A, B, C, D, + output Y +); + assign Y = !(A & B & C & D); +endmodule + +module NOR2 ( + input A, B, + output Y +); + assign Y = !(A | B); +endmodule + +module NOR3 ( + input A, B, C, + output Y +); + assign Y = !(A | B | C); +endmodule + +module NOR4 ( + input A, B, C, D, + output Y +); + assign Y = !(A | B | C | D); +endmodule + +module OR2 ( + input A, B, + output Y +); + assign Y = A | B; +endmodule + +module OR3 ( + input A, B, C, + output Y +); + assign Y = A | B | C; +endmodule + +module OR4 ( + input A, B, C, D, + output Y +); + assign Y = A | B | C | D; +endmodule + +module XOR2 ( + input A, B, + output Y +); + assign Y = A ^ B; +endmodule + +module XOR3 ( + input A, B, C, + output Y +); + assign Y = A ^ B ^ C; +endmodule + +module XOR4 ( + input A, B, C, D, + output Y +); + assign Y = A ^ B ^ C ^ D; +endmodule + +module XOR8 ( + input A, B, C, D, E, F, G, H, + output Y +); + assign Y = A ^ B ^ C ^ D ^ E ^ F ^ G ^ H; +endmodule + +// module UJTAG +// module BIBUF +// module BIBUF_DIFF +// module CLKBIBUF + module CLKBUF ( input PAD, output Y @@ -88,6 +296,8 @@ module CLKBUF ( assign Y = PAD; endmodule +// module CLKBUF_DIFF + module INBUF ( input PAD, output Y @@ -95,9 +305,20 @@ module INBUF ( assign Y = PAD; endmodule +// module INBUF_DIFF + module OUTBUF ( input D, output PAD ); assign PAD = D; endmodule + +// module OUTBUF_DIFF +// module TRIBUFF +// module TRIBUFF_DIFF +// module DDR_IN +// module DDR_OUT +// module RAM1K18 +// module RAM64x18 +// module MACC diff --git a/techlibs/sf2/sf2_iobs.cc b/techlibs/sf2/sf2_iobs.cc index dea8e353b..3d43332e2 100644 --- a/techlibs/sf2/sf2_iobs.cc +++ b/techlibs/sf2/sf2_iobs.cc @@ -38,8 +38,8 @@ static void handle_iobufs(Module *module, bool clkbuf_mode) for (auto bit : sigmap(cell->getPort("\\CLK"))) clk_bits.insert(bit); } - if (cell->type.in("\\INBUF", "\\OUTBUF", "\\TRIBUF", "\\BIBUF", "\\CLKBUF", "\\CLKBIBUF", - "\\INBUF_DIFF", "\\OUTBUF_DIFF", "\\BIBUFF_DIFF", "\\TRIBUF_DIFF", "\\CLKBUF_DIFF", + if (cell->type.in("\\INBUF", "\\OUTBUF", "\\TRIBUFF", "\\BIBUF", "\\CLKBUF", "\\CLKBIBUF", + "\\INBUF_DIFF", "\\OUTBUF_DIFF", "\\BIBUFF_DIFF", "\\TRIBUFF_DIFF", "\\CLKBUF_DIFF", "\\GCLKBUF", "\\GCLKBUF_DIFF", "\\GCLKBIBUF")) { for (auto bit : sigmap(cell->getPort("\\PAD"))) handled_io_bits.insert(bit); -- cgit v1.2.3 From 350dfd3745ec2efa92a601d3bab7712fd9bec07c Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Thu, 7 Mar 2019 09:08:26 -0800 Subject: Add link to SF2 / igloo2 macro library guide Signed-off-by: Clifford Wolf --- techlibs/sf2/cells_sim.v | 45 ++++++++++++++++++++++++--------------------- 1 file changed, 24 insertions(+), 21 deletions(-) (limited to 'techlibs') diff --git a/techlibs/sf2/cells_sim.v b/techlibs/sf2/cells_sim.v index f3f7695cf..c62748b11 100644 --- a/techlibs/sf2/cells_sim.v +++ b/techlibs/sf2/cells_sim.v @@ -1,3 +1,27 @@ +// https://coredocs.s3.amazonaws.com/Libero/12_0_0/Tool/sf2_mlg.pdf + +module ADD2 ( + + input A, B, + output Y +); + assign Y = A & B; +endmodule + +module ADD3 ( + input A, B, C, + output Y +); + assign Y = A & B & C; +endmodule + +module ADD4 ( + input A, B, C, D, + output Y +); + assign Y = A & B & C & D; +endmodule + module CFG1 ( output Y, input A @@ -36,27 +60,6 @@ module CFG4 ( assign Y = INIT >> {D, C, B, A}; endmodule -module ADD2 ( - input A, B, - output Y -); - assign Y = A & B; -endmodule - -module ADD3 ( - input A, B, C, - output Y -); - assign Y = A & B & C; -endmodule - -module ADD4 ( - input A, B, C, D, - output Y -); - assign Y = A & B & C & D; -endmodule - module BUFF ( input A, output Y -- cgit v1.2.3 From e71055cfe8f3d90e157174b1fd83a06487a0a6a2 Mon Sep 17 00:00:00 2001 From: Sylvain Munaut Date: Thu, 7 Mar 2019 23:48:10 +0100 Subject: ice40: Add ice40_braminit pass to allow initialization of BRAM from file This adds a INIT_FILE attribute to the SB_RAM40_4K blocks that will initialize content from a hex file. Same behavior is imlemented in the simulation model and in a new pass for actual synthesis Signed-off-by: Sylvain Munaut --- techlibs/ice40/Makefile.inc | 1 + techlibs/ice40/cells_sim.v | 88 +++++++++++++--------- techlibs/ice40/ice40_braminit.cc | 159 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 211 insertions(+), 37 deletions(-) create mode 100644 techlibs/ice40/ice40_braminit.cc (limited to 'techlibs') diff --git a/techlibs/ice40/Makefile.inc b/techlibs/ice40/Makefile.inc index 2750901c8..723b59d6f 100644 --- a/techlibs/ice40/Makefile.inc +++ b/techlibs/ice40/Makefile.inc @@ -1,5 +1,6 @@ OBJS += techlibs/ice40/synth_ice40.o +OBJS += techlibs/ice40/ice40_braminit.o OBJS += techlibs/ice40/ice40_ffssr.o OBJS += techlibs/ice40/ice40_ffinit.o OBJS += techlibs/ice40/ice40_opt.o diff --git a/techlibs/ice40/cells_sim.v b/techlibs/ice40/cells_sim.v index 2041693cc..bc36cdd14 100644 --- a/techlibs/ice40/cells_sim.v +++ b/techlibs/ice40/cells_sim.v @@ -326,6 +326,8 @@ module SB_RAM40_4K ( parameter INIT_E = 256'h0000000000000000000000000000000000000000000000000000000000000000; parameter INIT_F = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_FILE = ""; + `ifndef BLACKBOX wire [15:0] WMASK_I; wire [15:0] RMASK_I; @@ -408,43 +410,46 @@ module SB_RAM40_4K ( reg [15:0] memory [0:255]; initial begin - for (i=0; i<16; i=i+1) begin + if (INIT_FILE != "") + $readmemh(INIT_FILE, memory); + else + for (i=0; i<16; i=i+1) begin `ifdef YOSYS - memory[ 0*16 + i] <= INIT_0[16*i +: 16]; - memory[ 1*16 + i] <= INIT_1[16*i +: 16]; - memory[ 2*16 + i] <= INIT_2[16*i +: 16]; - memory[ 3*16 + i] <= INIT_3[16*i +: 16]; - memory[ 4*16 + i] <= INIT_4[16*i +: 16]; - memory[ 5*16 + i] <= INIT_5[16*i +: 16]; - memory[ 6*16 + i] <= INIT_6[16*i +: 16]; - memory[ 7*16 + i] <= INIT_7[16*i +: 16]; - memory[ 8*16 + i] <= INIT_8[16*i +: 16]; - memory[ 9*16 + i] <= INIT_9[16*i +: 16]; - memory[10*16 + i] <= INIT_A[16*i +: 16]; - memory[11*16 + i] <= INIT_B[16*i +: 16]; - memory[12*16 + i] <= INIT_C[16*i +: 16]; - memory[13*16 + i] <= INIT_D[16*i +: 16]; - memory[14*16 + i] <= INIT_E[16*i +: 16]; - memory[15*16 + i] <= INIT_F[16*i +: 16]; + memory[ 0*16 + i] <= INIT_0[16*i +: 16]; + memory[ 1*16 + i] <= INIT_1[16*i +: 16]; + memory[ 2*16 + i] <= INIT_2[16*i +: 16]; + memory[ 3*16 + i] <= INIT_3[16*i +: 16]; + memory[ 4*16 + i] <= INIT_4[16*i +: 16]; + memory[ 5*16 + i] <= INIT_5[16*i +: 16]; + memory[ 6*16 + i] <= INIT_6[16*i +: 16]; + memory[ 7*16 + i] <= INIT_7[16*i +: 16]; + memory[ 8*16 + i] <= INIT_8[16*i +: 16]; + memory[ 9*16 + i] <= INIT_9[16*i +: 16]; + memory[10*16 + i] <= INIT_A[16*i +: 16]; + memory[11*16 + i] <= INIT_B[16*i +: 16]; + memory[12*16 + i] <= INIT_C[16*i +: 16]; + memory[13*16 + i] <= INIT_D[16*i +: 16]; + memory[14*16 + i] <= INIT_E[16*i +: 16]; + memory[15*16 + i] <= INIT_F[16*i +: 16]; `else - memory[ 0*16 + i] = INIT_0[16*i +: 16]; - memory[ 1*16 + i] = INIT_1[16*i +: 16]; - memory[ 2*16 + i] = INIT_2[16*i +: 16]; - memory[ 3*16 + i] = INIT_3[16*i +: 16]; - memory[ 4*16 + i] = INIT_4[16*i +: 16]; - memory[ 5*16 + i] = INIT_5[16*i +: 16]; - memory[ 6*16 + i] = INIT_6[16*i +: 16]; - memory[ 7*16 + i] = INIT_7[16*i +: 16]; - memory[ 8*16 + i] = INIT_8[16*i +: 16]; - memory[ 9*16 + i] = INIT_9[16*i +: 16]; - memory[10*16 + i] = INIT_A[16*i +: 16]; - memory[11*16 + i] = INIT_B[16*i +: 16]; - memory[12*16 + i] = INIT_C[16*i +: 16]; - memory[13*16 + i] = INIT_D[16*i +: 16]; - memory[14*16 + i] = INIT_E[16*i +: 16]; - memory[15*16 + i] = INIT_F[16*i +: 16]; + memory[ 0*16 + i] = INIT_0[16*i +: 16]; + memory[ 1*16 + i] = INIT_1[16*i +: 16]; + memory[ 2*16 + i] = INIT_2[16*i +: 16]; + memory[ 3*16 + i] = INIT_3[16*i +: 16]; + memory[ 4*16 + i] = INIT_4[16*i +: 16]; + memory[ 5*16 + i] = INIT_5[16*i +: 16]; + memory[ 6*16 + i] = INIT_6[16*i +: 16]; + memory[ 7*16 + i] = INIT_7[16*i +: 16]; + memory[ 8*16 + i] = INIT_8[16*i +: 16]; + memory[ 9*16 + i] = INIT_9[16*i +: 16]; + memory[10*16 + i] = INIT_A[16*i +: 16]; + memory[11*16 + i] = INIT_B[16*i +: 16]; + memory[12*16 + i] = INIT_C[16*i +: 16]; + memory[13*16 + i] = INIT_D[16*i +: 16]; + memory[14*16 + i] = INIT_E[16*i +: 16]; + memory[15*16 + i] = INIT_F[16*i +: 16]; `endif - end + end end always @(posedge WCLK) begin @@ -504,6 +509,8 @@ module SB_RAM40_4KNR ( parameter INIT_E = 256'h0000000000000000000000000000000000000000000000000000000000000000; parameter INIT_F = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_FILE = ""; + SB_RAM40_4K #( .WRITE_MODE(WRITE_MODE), .READ_MODE (READ_MODE ), @@ -522,7 +529,8 @@ module SB_RAM40_4KNR ( .INIT_C (INIT_C ), .INIT_D (INIT_D ), .INIT_E (INIT_E ), - .INIT_F (INIT_F ) + .INIT_F (INIT_F ), + .INIT_FILE (INIT_FILE ) ) RAM ( .RDATA(RDATA), .RCLK (~RCLKN), @@ -566,6 +574,8 @@ module SB_RAM40_4KNW ( parameter INIT_E = 256'h0000000000000000000000000000000000000000000000000000000000000000; parameter INIT_F = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_FILE = ""; + SB_RAM40_4K #( .WRITE_MODE(WRITE_MODE), .READ_MODE (READ_MODE ), @@ -584,7 +594,8 @@ module SB_RAM40_4KNW ( .INIT_C (INIT_C ), .INIT_D (INIT_D ), .INIT_E (INIT_E ), - .INIT_F (INIT_F ) + .INIT_F (INIT_F ), + .INIT_FILE (INIT_FILE ) ) RAM ( .RDATA(RDATA), .RCLK (RCLK ), @@ -628,6 +639,8 @@ module SB_RAM40_4KNRNW ( parameter INIT_E = 256'h0000000000000000000000000000000000000000000000000000000000000000; parameter INIT_F = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_FILE = ""; + SB_RAM40_4K #( .WRITE_MODE(WRITE_MODE), .READ_MODE (READ_MODE ), @@ -646,7 +659,8 @@ module SB_RAM40_4KNRNW ( .INIT_C (INIT_C ), .INIT_D (INIT_D ), .INIT_E (INIT_E ), - .INIT_F (INIT_F ) + .INIT_F (INIT_F ), + .INIT_FILE (INIT_FILE ) ) RAM ( .RDATA(RDATA), .RCLK (~RCLKN), diff --git a/techlibs/ice40/ice40_braminit.cc b/techlibs/ice40/ice40_braminit.cc new file mode 100644 index 000000000..bf12f9148 --- /dev/null +++ b/techlibs/ice40/ice40_braminit.cc @@ -0,0 +1,159 @@ +/* + * yosys -- Yosys Open SYnthesis Suite + * + * Copyright (C) 2012 Clifford Wolf + * + * 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" +#include +#include +#include + +USING_YOSYS_NAMESPACE +PRIVATE_NAMESPACE_BEGIN + +static void run_ice40_braminit(Module *module) +{ + for (auto cell : module->selected_cells()) + { + uint16_t mem[256]; + + /* Only consider cells we're interested in */ + if (cell->type != "\\SB_RAM40_4K" && + cell->type != "\\SB_RAM40_4KNR" && + cell->type != "\\SB_RAM40_4KNW" && + cell->type != "\\SB_RAM40_4KNRNW") + continue; + if (!cell->hasParam("\\INIT_FILE")) + continue; + std::string init_file = cell->getParam("\\INIT_FILE").decode_string(); + cell->unsetParam("\\INIT_FILE"); + if (init_file == "") + continue; + + /* Open file */ + log("Processing %s : %s\n", RTLIL::id2cstr(cell->name), init_file.c_str()); + + std::ifstream f; + f.open(init_file.c_str()); + if (f.fail()) { + log("Can not open file `%s`.\n", init_file.c_str()); + continue; + } + + /* Defaults to 0 */ + memset(mem, 0x00, sizeof(mem)); + + /* Process each line */ + bool in_comment = false; + int cursor = 0; + + while (!f.eof()) + { + std::string line, token; + std::getline(f, line); + + for (int i = 0; i < GetSize(line); i++) + { + if (in_comment && line.substr(i, 2) == "*/") { + line[i] = ' '; + line[i+1] = ' '; + in_comment = false; + continue; + } + if (!in_comment && line.substr(i, 2) == "/*") + in_comment = true; + if (in_comment) + line[i] = ' '; + } + + while (1) + { + bool set_cursor = false; + long value; + + token = next_token(line, " \t\r\n"); + if (token.empty() || token.substr(0, 2) == "//") + break; + + if (token[0] == '@') { + token = token.substr(1); + set_cursor = true; + } + + const char *nptr = token.c_str(); + char *endptr; + value = strtol(nptr, &endptr, 16); + if (!*nptr || *endptr) { + log("Can not parse %s `%s` for %s.\n", + set_cursor ? "address" : "value", + nptr, token.c_str() + ); + continue; + } + + if (set_cursor) + cursor = value; + else if (cursor >= 0 && cursor < 256) + mem[cursor++] = value; + else + log("Attempt to initialize non existent address %d\n", cursor); + } + } + + /* Set attributes */ + const char *hex = "0123456789ABCDEF"; + for (int i=0; i<16; i++) { + std::string val = ""; + for (int j=15; j>=0; j--) + val += std::bitset<16>(mem[i*16+j]).to_string(); + cell->setParam("\\INIT_" + std::string(1, hex[i]), RTLIL::Const::from_string(val)); + } + } +} + +struct Ice40BRAMInitPass : public Pass { + Ice40BRAMInitPass() : Pass("ice40_braminit", "iCE40: perform SB_RAM40_4K initialization from file") { } + void help() YS_OVERRIDE + { + // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| + log("\n"); + log(" ice40_braminit\n"); + log("\n"); + log("This command processes all SB_RAM40_4K blocks with a non-empty INIT_FILE\n"); + log("parameter and converts it inti the required INIT_x attributes\n"); + log("\n"); + } + void execute(std::vector args, RTLIL::Design *design) YS_OVERRIDE + { + log_header(design, "Executing ICE40_BRAMINIT pass.\n"); + + size_t argidx; + for (argidx = 1; argidx < args.size(); argidx++) { + // if (args[argidx] == "-???") { + // continue; + // } + break; + } + extra_args(args, argidx, design); + + for (auto module : design->selected_modules()) + run_ice40_braminit(module); + } +} Ice40BRAMInitPass; + +PRIVATE_NAMESPACE_END -- cgit v1.2.3 From 5b6f59103374413e9c64c4f228853ce06b03ce29 Mon Sep 17 00:00:00 2001 From: Sylvain Munaut Date: Fri, 8 Mar 2019 00:11:17 +0100 Subject: ice40: Run ice40_braminit pass by default Signed-off-by: Sylvain Munaut --- techlibs/ice40/synth_ice40.cc | 1 + 1 file changed, 1 insertion(+) (limited to 'techlibs') diff --git a/techlibs/ice40/synth_ice40.cc b/techlibs/ice40/synth_ice40.cc index 34501b335..8899bfcc4 100644 --- a/techlibs/ice40/synth_ice40.cc +++ b/techlibs/ice40/synth_ice40.cc @@ -257,6 +257,7 @@ struct SynthIce40Pass : public ScriptPass { run("memory_bram -rules +/ice40/brams.txt"); run("techmap -map +/ice40/brams_map.v"); + run("ice40_braminit"); } if (check_label("map")) -- cgit v1.2.3 From ff4c2a14ae34eeb899c3cf0ca1109f0106b41679 Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Sat, 9 Mar 2019 13:24:55 -0800 Subject: Fix typo in ice40_braminit help msg Signed-off-by: Clifford Wolf --- techlibs/ice40/ice40_braminit.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'techlibs') diff --git a/techlibs/ice40/ice40_braminit.cc b/techlibs/ice40/ice40_braminit.cc index bf12f9148..4fa6b0792 100644 --- a/techlibs/ice40/ice40_braminit.cc +++ b/techlibs/ice40/ice40_braminit.cc @@ -135,7 +135,7 @@ struct Ice40BRAMInitPass : public Pass { log(" ice40_braminit\n"); log("\n"); log("This command processes all SB_RAM40_4K blocks with a non-empty INIT_FILE\n"); - log("parameter and converts it inti the required INIT_x attributes\n"); + log("parameter and converts it into the required INIT_x attributes\n"); log("\n"); } void execute(std::vector args, RTLIL::Design *design) YS_OVERRIDE -- cgit v1.2.3 From 9284cf92b8dcb510a2a9511965e587e42944c543 Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Tue, 12 Mar 2019 20:14:18 +0100 Subject: Remove ice40/cells_sim.v hack to avoid warning for blocking memory writes Signed-off-by: Clifford Wolf --- techlibs/ice40/cells_sim.v | 19 ------------------- 1 file changed, 19 deletions(-) (limited to 'techlibs') diff --git a/techlibs/ice40/cells_sim.v b/techlibs/ice40/cells_sim.v index bc36cdd14..62a28364b 100644 --- a/techlibs/ice40/cells_sim.v +++ b/techlibs/ice40/cells_sim.v @@ -414,24 +414,6 @@ module SB_RAM40_4K ( $readmemh(INIT_FILE, memory); else for (i=0; i<16; i=i+1) begin -`ifdef YOSYS - memory[ 0*16 + i] <= INIT_0[16*i +: 16]; - memory[ 1*16 + i] <= INIT_1[16*i +: 16]; - memory[ 2*16 + i] <= INIT_2[16*i +: 16]; - memory[ 3*16 + i] <= INIT_3[16*i +: 16]; - memory[ 4*16 + i] <= INIT_4[16*i +: 16]; - memory[ 5*16 + i] <= INIT_5[16*i +: 16]; - memory[ 6*16 + i] <= INIT_6[16*i +: 16]; - memory[ 7*16 + i] <= INIT_7[16*i +: 16]; - memory[ 8*16 + i] <= INIT_8[16*i +: 16]; - memory[ 9*16 + i] <= INIT_9[16*i +: 16]; - memory[10*16 + i] <= INIT_A[16*i +: 16]; - memory[11*16 + i] <= INIT_B[16*i +: 16]; - memory[12*16 + i] <= INIT_C[16*i +: 16]; - memory[13*16 + i] <= INIT_D[16*i +: 16]; - memory[14*16 + i] <= INIT_E[16*i +: 16]; - memory[15*16 + i] <= INIT_F[16*i +: 16]; -`else memory[ 0*16 + i] = INIT_0[16*i +: 16]; memory[ 1*16 + i] = INIT_1[16*i +: 16]; memory[ 2*16 + i] = INIT_2[16*i +: 16]; @@ -448,7 +430,6 @@ module SB_RAM40_4K ( memory[13*16 + i] = INIT_D[16*i +: 16]; memory[14*16 + i] = INIT_E[16*i +: 16]; memory[15*16 + i] = INIT_F[16*i +: 16]; -`endif end end -- cgit v1.2.3