diff options
Diffstat (limited to 'techlibs')
-rw-r--r-- | techlibs/ecp5/Makefile.inc | 2 | ||||
-rw-r--r-- | techlibs/ecp5/cells_ff.vh | 40 | ||||
-rw-r--r-- | techlibs/ecp5/cells_io.vh | 14 | ||||
-rw-r--r-- | techlibs/ecp5/cells_map.v | 55 | ||||
-rw-r--r-- | techlibs/ecp5/cells_sim.v | 72 | ||||
-rw-r--r-- | techlibs/ecp5/ecp5_gsr.cc | 2 | ||||
-rw-r--r-- | techlibs/ecp5/tests/.gitignore | 1 | ||||
-rw-r--r-- | techlibs/ecp5/tests/test_diamond_ffs.py | 82 | ||||
-rw-r--r-- | techlibs/ice40/abc_hx.box | 8 | ||||
-rw-r--r-- | techlibs/ice40/abc_lp.box | 8 | ||||
-rw-r--r-- | techlibs/ice40/abc_u.box | 8 | ||||
-rw-r--r-- | techlibs/ice40/cells_sim.v | 19 | ||||
-rw-r--r-- | techlibs/ice40/ice40_opt.cc | 9 | ||||
-rw-r--r-- | techlibs/xilinx/synth_xilinx.cc | 37 |
14 files changed, 203 insertions, 154 deletions
diff --git a/techlibs/ecp5/Makefile.inc b/techlibs/ecp5/Makefile.inc index c41d16076..2143acae6 100644 --- a/techlibs/ecp5/Makefile.inc +++ b/techlibs/ecp5/Makefile.inc @@ -2,6 +2,8 @@ OBJS += techlibs/ecp5/synth_ecp5.o techlibs/ecp5/ecp5_ffinit.o \ techlibs/ecp5/ecp5_gsr.o +$(eval $(call add_share_file,share/ecp5,techlibs/ecp5/cells_ff.vh)) +$(eval $(call add_share_file,share/ecp5,techlibs/ecp5/cells_io.vh)) $(eval $(call add_share_file,share/ecp5,techlibs/ecp5/cells_map.v)) $(eval $(call add_share_file,share/ecp5,techlibs/ecp5/cells_sim.v)) $(eval $(call add_share_file,share/ecp5,techlibs/ecp5/cells_bb.v)) diff --git a/techlibs/ecp5/cells_ff.vh b/techlibs/ecp5/cells_ff.vh new file mode 100644 index 000000000..0c9689ebd --- /dev/null +++ b/techlibs/ecp5/cells_ff.vh @@ -0,0 +1,40 @@ +// Diamond flip-flops +module FD1P3AX(input D, SP, CK, output Q); parameter GSR = "ENABLED"; TRELLIS_FF #(.GSR(GSR), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(CK), .LSR(0), .CE(SP), .DI(D), .Q(Q)); endmodule +module FD1P3AY(input D, SP, CK, output Q); parameter GSR = "ENABLED"; TRELLIS_FF #(.GSR(GSR), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(CK), .LSR(0), .CE(SP), .DI(D), .Q(Q)); endmodule +module FD1P3BX(input PD, D, SP, CK, output Q); parameter GSR = "ENABLED"; TRELLIS_FF #(.GSR(GSR), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(CK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule +module FD1P3DX(input CD, D, SP, CK, output Q); parameter GSR = "ENABLED"; TRELLIS_FF #(.GSR(GSR), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(CK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule +module FD1P3IX(input CD, D, SP, CK, output Q); parameter GSR = "ENABLED"; TRELLIS_FF #(.GSR(GSR), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(CK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule +module FD1P3JX(input PD, D, SP, CK, output Q); parameter GSR = "ENABLED"; TRELLIS_FF #(.GSR(GSR), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(CK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule +module FD1S3AX(input D, CK, output Q); parameter GSR = "ENABLED"; TRELLIS_FF #(.GSR(GSR), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(CK), .LSR(0), .DI(D), .Q(Q)); endmodule +module FD1S3AY(input D, CK, output Q); parameter GSR = "ENABLED"; TRELLIS_FF #(.GSR(GSR), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(CK), .LSR(0), .DI(D), .Q(Q)); endmodule +module FD1S3BX(input PD, D, CK, output Q); parameter GSR = "ENABLED"; TRELLIS_FF #(.GSR(GSR), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(CK), .LSR(PD), .DI(D), .Q(Q)); endmodule +module FD1S3DX(input CD, D, CK, output Q); parameter GSR = "ENABLED"; TRELLIS_FF #(.GSR(GSR), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(CK), .LSR(CD), .DI(D), .Q(Q)); endmodule +module FD1S3IX(input CD, D, CK, output Q); parameter GSR = "ENABLED"; TRELLIS_FF #(.GSR(GSR), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(CK), .LSR(CD), .DI(D), .Q(Q)); endmodule +module FD1S3JX(input PD, D, CK, output Q); parameter GSR = "ENABLED"; TRELLIS_FF #(.GSR(GSR), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(CK), .LSR(PD), .DI(D), .Q(Q)); endmodule + +// TODO: Diamond latches +// module FL1P3AY(); endmodule +// module FL1P3AZ(); endmodule +// module FL1P3BX(); endmodule +// module FL1P3DX(); endmodule +// module FL1P3IY(); endmodule +// module FL1P3JY(); endmodule +// module FL1S3AX(); endmodule +// module FL1S3AY(); endmodule + +// Diamond I/O registers +module IFS1P3BX(input PD, D, SP, SCLK, output Q); parameter GSR = "ENABLED"; TRELLIS_FF #(.GSR(GSR), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule +module IFS1P3DX(input CD, D, SP, SCLK, output Q); parameter GSR = "ENABLED"; TRELLIS_FF #(.GSR(GSR), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule +module IFS1P3IX(input CD, D, SP, SCLK, output Q); parameter GSR = "ENABLED"; TRELLIS_FF #(.GSR(GSR), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule +module IFS1P3JX(input PD, D, SP, SCLK, output Q); parameter GSR = "ENABLED"; TRELLIS_FF #(.GSR(GSR), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule + +module OFS1P3BX(input PD, D, SP, SCLK, output Q); parameter GSR = "ENABLED"; TRELLIS_FF #(.GSR(GSR), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule +module OFS1P3DX(input CD, D, SP, SCLK, output Q); parameter GSR = "ENABLED"; TRELLIS_FF #(.GSR(GSR), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule +module OFS1P3IX(input CD, D, SP, SCLK, output Q); parameter GSR = "ENABLED"; TRELLIS_FF #(.GSR(GSR), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule +module OFS1P3JX(input PD, D, SP, SCLK, output Q); parameter GSR = "ENABLED"; TRELLIS_FF #(.GSR(GSR), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule + +// TODO: Diamond I/O latches +// module IFS1S1B(input PD, D, SCLK, output Q); endmodule +// module IFS1S1D(input CD, D, SCLK, output Q); endmodule +// module IFS1S1I(input PD, D, SCLK, output Q); endmodule +// module IFS1S1J(input CD, D, SCLK, output Q); endmodule diff --git a/techlibs/ecp5/cells_io.vh b/techlibs/ecp5/cells_io.vh new file mode 100644 index 000000000..02e66e8a5 --- /dev/null +++ b/techlibs/ecp5/cells_io.vh @@ -0,0 +1,14 @@ +// Diamond I/O buffers +module IB (input I, output O); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("INPUT")) _TECHMAP_REPLACE_ (.B(I), .O(O)); endmodule +module IBPU (input I, output O); (* PULLMODE="UP" *) TRELLIS_IO #(.DIR("INPUT")) _TECHMAP_REPLACE_ (.B(I), .O(O)); endmodule +module IBPD (input I, output O); (* PULLMODE="DOWN" *) TRELLIS_IO #(.DIR("INPUT")) _TECHMAP_REPLACE_ (.B(I), .O(O)); endmodule +module OB (input I, output O); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("OUTPUT")) _TECHMAP_REPLACE_ (.B(O), .I(I)); endmodule +module OBZ (input I, T, output O); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("OUTPUT")) _TECHMAP_REPLACE_ (.B(O), .I(I), .T(T)); endmodule +module OBZPU(input I, T, output O); (* PULLMODE="UP" *) TRELLIS_IO #(.DIR("OUTPUT")) _TECHMAP_REPLACE_ (.B(O), .I(I), .T(T)); endmodule +module OBZPD(input I, T, output O); (* PULLMODE="DOWN" *) TRELLIS_IO #(.DIR("OUTPUT")) _TECHMAP_REPLACE_ (.B(O), .I(I), .T(T)); endmodule +module OBCO (input I, output OT, OC); OLVDS olvds (.A(I), .Z(OT), .ZN(OC)); endmodule +module BB (input I, T, output O, inout B); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("BIDIR")) _TECHMAP_REPLACE_ (.B(B), .I(I), .O(O), .T(T)); endmodule +module BBPU (input I, T, output O, inout B); (* PULLMODE="UP" *) TRELLIS_IO #(.DIR("BIDIR")) _TECHMAP_REPLACE_ (.B(B), .I(I), .O(O), .T(T)); endmodule +module BBPD (input I, T, output O, inout B); (* PULLMODE="DOWN" *) TRELLIS_IO #(.DIR("BIDIR")) _TECHMAP_REPLACE_ (.B(B), .I(I), .O(O), .T(T)); endmodule +module ILVDS(input A, AN, output Z ); TRELLIS_IO #(.DIR("INPUT")) _TECHMAP_REPLACE_ (.B(A), .O(Z)); endmodule +module OLVDS(input A, output Z, ZN); TRELLIS_IO #(.DIR("OUTPUT")) _TECHMAP_REPLACE_ (.B(Z), .I(A)); endmodule diff --git a/techlibs/ecp5/cells_map.v b/techlibs/ecp5/cells_map.v index 0a92d906d..71ae9237b 100644 --- a/techlibs/ecp5/cells_map.v +++ b/techlibs/ecp5/cells_map.v @@ -47,59 +47,8 @@ module \$__DFFSE_NP1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("AUTO"), . module \$__DFFSE_PP0 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule module \$__DFFSE_PP1 (input D, C, E, R, output Q); TRELLIS_FF #(.GSR("AUTO"), .CEMUX("CE"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(C), .CE(E), .LSR(R), .DI(D), .Q(Q)); endmodule -// TODO: Diamond flip-flops -// module FD1P3AX(); endmodule -// module FD1P3AY(); endmodule -// module FD1P3BX(); endmodule -// module FD1P3DX(); endmodule -// module FD1P3IX(); endmodule -// module FD1P3JX(); endmodule -// module FD1S3AX(); endmodule -// module FD1S3AY(); endmodule -module FD1S3BX(input PD, D, CK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(CK), .LSR(PD), .DI(D), .Q(Q)); endmodule -module FD1S3DX(input CD, D, CK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(CK), .LSR(CD), .DI(D), .Q(Q)); endmodule -module FD1S3IX(input CD, D, CK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(CK), .LSR(CD), .DI(D), .Q(Q)); endmodule -module FD1S3JX(input PD, D, CK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(CK), .LSR(PD), .DI(D), .Q(Q)); endmodule -// module FL1P3AY(); endmodule -// module FL1P3AZ(); endmodule -// module FL1P3BX(); endmodule -// module FL1P3DX(); endmodule -// module FL1P3IY(); endmodule -// module FL1P3JY(); endmodule -// module FL1S3AX(); endmodule -// module FL1S3AY(); endmodule - -// Diamond I/O buffers -module IB (input I, output O); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("INPUT")) _TECHMAP_REPLACE_ (.B(I), .O(O)); endmodule -module IBPU (input I, output O); (* PULLMODE="UP" *) TRELLIS_IO #(.DIR("INPUT")) _TECHMAP_REPLACE_ (.B(I), .O(O)); endmodule -module IBPD (input I, output O); (* PULLMODE="DOWN" *) TRELLIS_IO #(.DIR("INPUT")) _TECHMAP_REPLACE_ (.B(I), .O(O)); endmodule -module OB (input I, output O); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("OUTPUT")) _TECHMAP_REPLACE_ (.B(O), .I(I)); endmodule -module OBZ (input I, T, output O); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("OUTPUT")) _TECHMAP_REPLACE_ (.B(O), .I(I), .T(T)); endmodule -module OBZPU(input I, T, output O); (* PULLMODE="UP" *) TRELLIS_IO #(.DIR("OUTPUT")) _TECHMAP_REPLACE_ (.B(O), .I(I), .T(T)); endmodule -module OBZPD(input I, T, output O); (* PULLMODE="DOWN" *) TRELLIS_IO #(.DIR("OUTPUT")) _TECHMAP_REPLACE_ (.B(O), .I(I), .T(T)); endmodule -module OBCO (input I, output OT, OC); OLVDS _TECHMAP_REPLACE_ (.A(I), .Z(OT), .ZN(OC)); endmodule -module BB (input I, T, output O, inout B); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("BIDIR")) _TECHMAP_REPLACE_ (.B(B), .I(I), .O(O), .T(T)); endmodule -module BBPU (input I, T, output O, inout B); (* PULLMODE="UP" *) TRELLIS_IO #(.DIR("BIDIR")) _TECHMAP_REPLACE_ (.B(B), .I(I), .O(O), .T(T)); endmodule -module BBPD (input I, T, output O, inout B); (* PULLMODE="DOWN" *) TRELLIS_IO #(.DIR("BIDIR")) _TECHMAP_REPLACE_ (.B(B), .I(I), .O(O), .T(T)); endmodule -module ILVDS(input A, AN, output Z); TRELLIS_IO #(.DIR("INPUT")) _TECHMAP_REPLACE_ (.B(A), .O(Z)); endmodule -module OLVDS(input A, output Z, ZN); TRELLIS_IO #(.DIR("OUTPUT")) _TECHMAP_REPLACE_ (.B(Z), .I(A)); endmodule - -// Diamond I/O registers -module IFS1P3BX(input PD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule -module IFS1P3DX(input CD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule -module IFS1P3IX(input CD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule -module IFS1P3JX(input PD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule - -module OFS1P3BX(input PD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule -module OFS1P3DX(input CD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule -module OFS1P3IX(input CD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule -module OFS1P3JX(input PD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) _TECHMAP_REPLACE_ (.CLK(SCLK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule - -// TODO: Diamond I/O latches -// module IFS1S1B(input PD, D, SCLK, output Q); endmodule -// module IFS1S1D(input CD, D, SCLK, output Q); endmodule -// module IFS1S1I(input PD, D, SCLK, output Q); endmodule -// module IFS1S1J(input CD, D, SCLK, output Q); endmodule +`include "cells_ff.vh" +`include "cells_io.vh" `ifndef NO_LUT module \$lut (A, Y); diff --git a/techlibs/ecp5/cells_sim.v b/techlibs/ecp5/cells_sim.v index dc8334acb..5bdb8395e 100644 --- a/techlibs/ecp5/cells_sim.v +++ b/techlibs/ecp5/cells_sim.v @@ -229,14 +229,15 @@ module TRELLIS_FF(input CLK, LSR, CE, DI, M, output reg Q); parameter REGSET = "RESET"; parameter [127:0] LSRMODE = "LSR"; - reg muxce; - always @(*) + wire muxce; + generate case (CEMUX) - "1": muxce = 1'b1; - "0": muxce = 1'b0; - "INV": muxce = ~CE; - default: muxce = CE; + "1": assign muxce = 1'b1; + "0": assign muxce = 1'b0; + "INV": assign muxce = ~CE; + default: assign muxce = CE; endcase + endgenerate wire muxlsr = (LSRMUX == "INV") ? ~LSR : LSR; wire muxclk = (CLKMUX == "INV") ? ~CLK : CLK; @@ -693,56 +694,9 @@ module DP16KD( parameter INITVAL_3F = 320'h00000000000000000000000000000000000000000000000000000000000000000000000000000000; endmodule -// TODO: Diamond flip-flops -// module FD1P3AX(); endmodule -// module FD1P3AY(); endmodule -// module FD1P3BX(); endmodule -// module FD1P3DX(); endmodule -// module FD1P3IX(); endmodule -// module FD1P3JX(); endmodule -// module FD1S3AX(); endmodule -// module FD1S3AY(); endmodule -module FD1S3BX(input PD, D, CK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) tff (.CLK(CK), .LSR(PD), .DI(D), .Q(Q)); endmodule -module FD1S3DX(input CD, D, CK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) tff (.CLK(CK), .LSR(CD), .DI(D), .Q(Q)); endmodule -module FD1S3IX(input CD, D, CK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) tff (.CLK(CK), .LSR(CD), .DI(D), .Q(Q)); endmodule -module FD1S3JX(input PD, D, CK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) tff (.CLK(CK), .LSR(PD), .DI(D), .Q(Q)); endmodule -// module FL1P3AY(); endmodule -// module FL1P3AZ(); endmodule -// module FL1P3BX(); endmodule -// module FL1P3DX(); endmodule -// module FL1P3IY(); endmodule -// module FL1P3JY(); endmodule -// module FL1S3AX(); endmodule -// module FL1S3AY(); endmodule - -// Diamond I/O buffers -module IB (input I, output O); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("INPUT")) tio (.B(I), .O(O)); endmodule -module IBPU (input I, output O); (* PULLMODE="UP" *) TRELLIS_IO #(.DIR("INPUT")) tio (.B(I), .O(O)); endmodule -module IBPD (input I, output O); (* PULLMODE="DOWN" *) TRELLIS_IO #(.DIR("INPUT")) tio (.B(I), .O(O)); endmodule -module OB (input I, output O); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("OUTPUT")) tio (.B(O), .I(I)); endmodule -module OBZ (input I, T, output O); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("OUTPUT")) tio (.B(O), .I(I), .T(T)); endmodule -module OBZPU(input I, T, output O); (* PULLMODE="UP" *) TRELLIS_IO #(.DIR("OUTPUT")) tio (.B(O), .I(I), .T(T)); endmodule -module OBZPD(input I, T, output O); (* PULLMODE="DOWN" *) TRELLIS_IO #(.DIR("OUTPUT")) tio (.B(O), .I(I), .T(T)); endmodule -module OBCO (input I, output OT, OC); OLVDS olvds (.A(I), .Z(OT), .ZN(OC)); endmodule -module BB (input I, T, output O, inout B); (* PULLMODE="NONE" *) TRELLIS_IO #(.DIR("BIDIR")) tio (.B(B), .I(I), .O(O), .T(T)); endmodule -module BBPU (input I, T, output O, inout B); (* PULLMODE="UP" *) TRELLIS_IO #(.DIR("BIDIR")) tio (.B(B), .I(I), .O(O), .T(T)); endmodule -module BBPD (input I, T, output O, inout B); (* PULLMODE="DOWN" *) TRELLIS_IO #(.DIR("BIDIR")) tio (.B(B), .I(I), .O(O), .T(T)); endmodule -module ILVDS(input A, AN, output Z); TRELLIS_IO #(.DIR("INPUT")) tio (.B(A), .O(Z)); endmodule -module OLVDS(input A, output Z, ZN); TRELLIS_IO #(.DIR("OUTPUT")) tio (.B(Z), .I(A)); endmodule - -// Diamond I/O registers -module IFS1P3BX(input PD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) tff (.CLK(SCLK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule -module IFS1P3DX(input CD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) tff (.CLK(SCLK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule -module IFS1P3IX(input CD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) tff (.CLK(SCLK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule -module IFS1P3JX(input PD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) tff (.CLK(SCLK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule - -module OFS1P3BX(input PD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("ASYNC")) tff (.CLK(SCLK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule -module OFS1P3DX(input CD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("ASYNC")) tff (.CLK(SCLK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule -module OFS1P3IX(input CD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("RESET"), .SRMODE("LSR_OVER_CE")) tff (.CLK(SCLK), .LSR(CD), .CE(SP), .DI(D), .Q(Q)); endmodule -module OFS1P3JX(input PD, D, SP, SCLK, output Q); TRELLIS_FF #(.GSR("DISABLED"), .CEMUX("1"), .CLKMUX("CLK"), .LSRMUX("LSR"), .REGSET("SET"), .SRMODE("LSR_OVER_CE")) tff (.CLK(SCLK), .LSR(PD), .CE(SP), .DI(D), .Q(Q)); endmodule - -// TODO: Diamond I/O latches -// module IFS1S1B(input PD, D, SCLK, output Q); endmodule -// module IFS1S1D(input CD, D, SCLK, output Q); endmodule -// module IFS1S1I(input PD, D, SCLK, output Q); endmodule -// module IFS1S1J(input CD, D, SCLK, output Q); endmodule +`ifndef NO_INCLUDES + +`include "cells_ff.vh" +`include "cells_io.vh" + +`endif diff --git a/techlibs/ecp5/ecp5_gsr.cc b/techlibs/ecp5/ecp5_gsr.cc index 8b8927d31..2bc714b6f 100644 --- a/techlibs/ecp5/ecp5_gsr.cc +++ b/techlibs/ecp5/ecp5_gsr.cc @@ -124,7 +124,7 @@ struct Ecp5GsrPass : public Pass { SigBit lsr = sigmap(sig_lsr[0]); if (!inverted_gsr.count(lsr)) continue; - cell->setParam(ID(SRMODE), Const("SYNC")); + cell->setParam(ID(SRMODE), Const("LSR_OVER_CE")); cell->unsetPort(ID(LSR)); } diff --git a/techlibs/ecp5/tests/.gitignore b/techlibs/ecp5/tests/.gitignore new file mode 100644 index 000000000..0e18132cc --- /dev/null +++ b/techlibs/ecp5/tests/.gitignore @@ -0,0 +1 @@ +work_* diff --git a/techlibs/ecp5/tests/test_diamond_ffs.py b/techlibs/ecp5/tests/test_diamond_ffs.py new file mode 100644 index 000000000..1ed85ce8b --- /dev/null +++ b/techlibs/ecp5/tests/test_diamond_ffs.py @@ -0,0 +1,82 @@ +import os +import subprocess + +if not os.path.exists("work_ff"): + os.mkdir("work_ff") + +modules = [] + +with open("../cells_ff.vh", "r") as f: + with open("work_ff/cells_ff_gate.v", "w") as g: + for line in f: + if not line.startswith("module"): + g.write(line) + continue + else: + spidx = line.find(" ") + bridx = line.find("(") + modname = line[spidx+1 : bridx] + g.write("module %s_gate" % modname) + g.write(line[bridx:]) + inpidx = line.find("input ") + outpidx = line.find(", output") + modules.append((modname, [x.strip() for x in line[inpidx+6:outpidx].split(",")])) + +with open("work_ff/testbench.v", "w") as f: + print(""" +`timescale 1ns/ 1ps + +module testbench; +reg pur = 0, clk, rst, cen, d; + +// Needed for Diamond sim models +GSR GSR_INST (.GSR(1'b1)); +PUR PUR_INST (.PUR(pur)); + + +initial begin + $dumpfile("work_ff/ffs.vcd"); + $dumpvars(0, testbench); + #5; + pur = 1; + #95; + repeat (2500) begin + {clk, rst, cen, d} = $random; + #10; + check_outputs; + #1; + end + $finish; +end + """, file=f) + + for modname, inputs in modules: + print(" wire %s_gold_q, %s_gate_q;" % (modname, modname), file=f) + portconns = [] + for inp in inputs: + if inp in ("SCLK", "CK"): + portconns.append(".%s(clk)" % inp) + elif inp in ("CD", "PD"): + portconns.append(".%s(rst)" % inp) + elif inp == "SP": + portconns.append(".%s(cen)" % inp) + elif inp == "D": + portconns.append(".%s(d)" % inp) + else: + assert False + portconns.append(".Q(%s_gold_q)" % modname) + print(" %s %s_gold_i (%s);" % (modname, modname, ", ".join(portconns)), file=f) + portconns[-1] = (".Q(%s_gate_q)" % modname) + print(" %s_gate %s_gate_i (%s);" % (modname, modname, ", ".join(portconns)), file=f) + print("", file=f) + print(" task check_outputs;", file=f) + print(" begin", file=f) + print(" if (%s_gold_q != %s_gate_q) $display(\"MISMATCH at %%1t: %s_gold_q=%%b, %s_gate_q=%%b\", $time, %s_gold_q, %s_gate_q);" % + (modname, modname, modname, modname, modname, modname), file=f) + print(" end", file=f) + print(" endtask", file=f) + print("endmodule", file=f) + +diamond_models = "/usr/local/diamond/3.10_x64/cae_library/simulation/verilog/ecp5u" +subprocess.call(["iverilog", "-s", "testbench", "-o", "work_ff/testbench", "-Dmixed_hdl", "-DNO_INCLUDES", "-y", diamond_models, "work_ff/cells_ff_gate.v", "../cells_sim.v", "work_ff/testbench.v"]) +subprocess.call(["vvp", "work_ff/testbench"]) diff --git a/techlibs/ice40/abc_hx.box b/techlibs/ice40/abc_hx.box index c0ea742e2..3ea70bc91 100644 --- a/techlibs/ice40/abc_hx.box +++ b/techlibs/ice40/abc_hx.box @@ -3,11 +3,11 @@ # NB: Inputs/Outputs must be ordered alphabetically # (with exceptions for carry in/out) -# Inputs: A B CI +# Inputs: A B I0 I3 CI # Outputs: O CO # (NB: carry chain input/output must be last # input/output and have been moved there # overriding the alphabetical ordering) -$__ICE40_FULL_ADDER 1 1 3 2 -400 379 316 -259 231 126 +$__ICE40_CARRY_WRAPPER 1 1 5 2 +400 379 449 316 316 +259 231 - - 126 diff --git a/techlibs/ice40/abc_lp.box b/techlibs/ice40/abc_lp.box index d73b6d649..473e92fe9 100644 --- a/techlibs/ice40/abc_lp.box +++ b/techlibs/ice40/abc_lp.box @@ -3,11 +3,11 @@ # NB: Inputs/Outputs must be ordered alphabetically # (with exceptions for carry in/out) -# Inputs: A B CI +# Inputs: A B I0 I3 CI # Outputs: O CO # (NB: carry chain input/output must be last # input/output and have been moved there # overriding the alphabetical ordering) -$__ICE40_FULL_ADDER 1 1 3 2 -589 558 465 -675 609 186 +$__ICE40_CARRY_WRAPPER 1 1 5 2 +589 558 661 465 465 +675 609 - - 186 diff --git a/techlibs/ice40/abc_u.box b/techlibs/ice40/abc_u.box index 42d666051..f00e247b8 100644 --- a/techlibs/ice40/abc_u.box +++ b/techlibs/ice40/abc_u.box @@ -3,11 +3,11 @@ # NB: Inputs/Outputs must be ordered alphabetically # (with exceptions for carry in/out) -# Inputs: A B CI +# Inputs: A B I0 I3 CI # Outputs: O CO # (NB: carry chain input/output must be last # input/output and have been moved there # overriding the alphabetical ordering) -$__ICE40_FULL_ADDER 1 1 3 2 -1231 1205 874 -675 609 278 +$__ICE40_CARRY_WRAPPER 1 1 5 2 +1231 1205 1285 874 874 +675 609 - - 278 diff --git a/techlibs/ice40/cells_sim.v b/techlibs/ice40/cells_sim.v index c7f3bdad2..2a7487f6b 100644 --- a/techlibs/ice40/cells_sim.v +++ b/techlibs/ice40/cells_sim.v @@ -142,15 +142,16 @@ module SB_CARRY (output CO, input I0, I1, CI); endmodule (* abc_box_id = 1, lib_whitebox *) -module \$__ICE40_FULL_ADDER ( +module \$__ICE40_CARRY_WRAPPER ( (* abc_carry *) output CO, output O, - input A, - input B, + input A, B, (* abc_carry *) - input CI + input CI, + input I0, I3 ); + parameter LUT = 0; SB_CARRY carry ( .I0(A), .I1(B), @@ -158,16 +159,12 @@ module \$__ICE40_FULL_ADDER ( .CO(CO) ); SB_LUT4 #( - // I0: 1010 1010 1010 1010 - // I1: 1100 1100 1100 1100 - // I2: 1111 0000 1111 0000 - // I3: 1111 1111 0000 0000 - .LUT_INIT(16'b 0110_1001_1001_0110) + .LUT_INIT(LUT) ) adder ( - .I0(1'b0), + .I0(I0), .I1(A), .I2(B), - .I3(CI), + .I3(I3), .O(O) ); endmodule diff --git a/techlibs/ice40/ice40_opt.cc b/techlibs/ice40/ice40_opt.cc index d5106b805..ea56d3f4d 100644 --- a/techlibs/ice40/ice40_opt.cc +++ b/techlibs/ice40/ice40_opt.cc @@ -84,7 +84,7 @@ static void run_ice40_opts(Module *module) continue; } - if (cell->type == "$__ICE40_FULL_ADDER") + if (cell->type == "$__ICE40_CARRY_WRAPPER") { SigSpec non_const_inputs, replacement_output; int count_zeros = 0, count_ones = 0; @@ -114,16 +114,17 @@ static void run_ice40_opts(Module *module) optimized_co.insert(sigmap(cell->getPort("\\CO")[0])); module->connect(cell->getPort("\\CO")[0], replacement_output); module->design->scratchpad_set_bool("opt.did_something", true); - log("Optimized $__ICE40_FULL_ADDER cell back to logic (without SB_CARRY) %s.%s: CO=%s\n", + log("Optimized $__ICE40_CARRY_WRAPPER cell back to logic (without SB_CARRY) %s.%s: CO=%s\n", log_id(module), log_id(cell), log_signal(replacement_output)); cell->type = "$lut"; - cell->setPort("\\A", { State::S0, inbit[0], inbit[1], inbit[2] }); + cell->setPort("\\A", { cell->getPort("\\I0"), inbit[0], inbit[1], cell->getPort("\\I3") }); cell->setPort("\\Y", cell->getPort("\\O")); cell->unsetPort("\\B"); cell->unsetPort("\\CI"); + cell->unsetPort("\\I0"); + cell->unsetPort("\\I3"); cell->unsetPort("\\CO"); cell->unsetPort("\\O"); - cell->setParam("\\LUT", RTLIL::Const::from_string("0110100110010110")); cell->setParam("\\WIDTH", 4); } continue; diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index f058da83d..3760a1129 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -303,9 +303,8 @@ struct SynthXilinxPass : public ScriptPass if (widemux > 0 || help_mode) run("muxpack", " ('-widemux' only)"); - // shregmap -tech xilinx can cope with $shiftx and $mux - // cells for identifying variable-length shift registers, - // so attempt to convert $pmux-es to the former + // xilinx_srl looks for $shiftx cells for identifying variable-length + // shift registers, so attempt to convert $pmux-es to this // Also: wide multiplexer inference benefits from this too if (!(nosrl && widemux == 0) || help_mode) { run("pmux2shiftx", "(skip if '-nosrl' and '-widemux=0')"); @@ -387,13 +386,8 @@ struct SynthXilinxPass : public ScriptPass } run("opt -full"); - if (!nosrl || help_mode) { - // shregmap operates on bit-level flops, not word-level, - // so break those down here - run("simplemap t:$dff t:$dffe", " (skip if '-nosrl')"); - // shregmap with '-tech xilinx' infers variable length shift regs - run("shregmap -tech xilinx -minlen 3", "(skip if '-nosrl')"); - } + if (!nosrl || help_mode) + run("xilinx_srl -variable -minlen 3", "(skip if '-nosrl')"); std::string techmap_args = " -map +/techmap.v"; if (help_mode) @@ -421,6 +415,14 @@ struct SynthXilinxPass : public ScriptPass run("clean"); } + if (check_label("map_ffs")) { + if (abc9 || help_mode) { + run("techmap -map +/xilinx/ff_map.v", "('-abc9' only)"); + run("dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT -ff FDSE Q INIT " + "-ff FDRE_1 Q INIT -ff FDCE_1 Q INIT -ff FDPE_1 Q INIT -ff FDSE_1 Q INIT", "('-abc9' only)"); + } + } + if (check_label("map_luts")) { run("opt_expr -mux_undef"); if (flatten_before_abc) @@ -446,10 +448,17 @@ struct SynthXilinxPass : public ScriptPass // This shregmap call infers fixed length shift registers after abc // has performed any necessary retiming if (!nosrl || help_mode) - run("shregmap -minlen 3 -init -params -enpol any_or_none", "(skip if '-nosrl')"); - run("techmap -map +/xilinx/lut_map.v -map +/xilinx/ff_map.v -map +/xilinx/cells_map.v"); - run("dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT -ff FDSE Q INIT " - "-ff FDRE_1 Q INIT -ff FDCE_1 Q INIT -ff FDPE_1 Q INIT -ff FDSE_1 Q INIT"); + run("xilinx_srl -fixed -minlen 3", "(skip if '-nosrl')"); + + std::string techmap_args = "-map +/xilinx/lut_map.v -map +/xilinx/cells_map.v"; + if (help_mode) + techmap_args += " [-map +/xilinx/ff_map.v]"; + else if (!abc9) + techmap_args += " -map +/xilinx/ff_map.v"; + run("techmap " + techmap_args); + if (!abc9) + run("dffinit -ff FDRE Q INIT -ff FDCE Q INIT -ff FDPE Q INIT -ff FDSE Q INIT " + "-ff FDRE_1 Q INIT -ff FDCE_1 Q INIT -ff FDPE_1 Q INIT -ff FDSE_1 Q INIT", "(without '-abc9' only)"); run("clean"); } |