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-rw-r--r--techlibs/ecp5/Makefile.inc2
-rw-r--r--techlibs/ecp5/cells_ff.vh40
-rw-r--r--techlibs/ecp5/cells_io.vh14
-rw-r--r--techlibs/ecp5/cells_map.v55
-rw-r--r--techlibs/ecp5/cells_sim.v72
-rw-r--r--techlibs/ecp5/ecp5_gsr.cc2
-rw-r--r--techlibs/ecp5/tests/.gitignore1
-rw-r--r--techlibs/ecp5/tests/test_diamond_ffs.py82
-rw-r--r--techlibs/ice40/abc_hx.box8
-rw-r--r--techlibs/ice40/abc_lp.box8
-rw-r--r--techlibs/ice40/abc_u.box8
-rw-r--r--techlibs/ice40/cells_sim.v19
-rw-r--r--techlibs/ice40/ice40_opt.cc9
-rw-r--r--techlibs/xilinx/synth_xilinx.cc37
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");
}