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authorEddie Hung <eddie@fpgeh.com>2019-10-04 10:48:44 -0700
committerEddie Hung <eddie@fpgeh.com>2019-10-04 10:48:44 -0700
commit9fef1df3c1431cff2e097a10a502f77f04986a60 (patch)
treef8b4c2b66db08476f3d623f7e1a1d6f57ec7b058 /techlibs/ice40
parent4e11782cde412ce80ee8125dd9d55fe21945737f (diff)
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Panic over. Model was elsewhere. Re-arrange for consistency
Diffstat (limited to 'techlibs/ice40')
-rw-r--r--techlibs/ice40/Makefile.inc1
-rw-r--r--techlibs/ice40/abc_model.v2
-rw-r--r--techlibs/ice40/cells_sim.v28
-rw-r--r--techlibs/ice40/synth_ice40.cc3
4 files changed, 3 insertions, 31 deletions
diff --git a/techlibs/ice40/Makefile.inc b/techlibs/ice40/Makefile.inc
index 92a9956ea..0fbca9034 100644
--- a/techlibs/ice40/Makefile.inc
+++ b/techlibs/ice40/Makefile.inc
@@ -28,6 +28,7 @@ $(eval $(call add_share_file,share/ice40,techlibs/ice40/latches_map.v))
$(eval $(call add_share_file,share/ice40,techlibs/ice40/brams.txt))
$(eval $(call add_share_file,share/ice40,techlibs/ice40/brams_map.v))
$(eval $(call add_share_file,share/ice40,techlibs/ice40/dsp_map.v))
+$(eval $(call add_share_file,share/ice40,techlibs/ice40/abc_model.v))
$(eval $(call add_share_file,share/ice40,techlibs/ice40/abc_hx.box))
$(eval $(call add_share_file,share/ice40,techlibs/ice40/abc_hx.lut))
$(eval $(call add_share_file,share/ice40,techlibs/ice40/abc_lp.box))
diff --git a/techlibs/ice40/abc_model.v b/techlibs/ice40/abc_model.v
index 8e1827043..fe31b8811 100644
--- a/techlibs/ice40/abc_model.v
+++ b/techlibs/ice40/abc_model.v
@@ -25,5 +25,3 @@ module \$__ICE40_CARRY_WRAPPER (
.O(O)
);
endmodule
-
-
diff --git a/techlibs/ice40/cells_sim.v b/techlibs/ice40/cells_sim.v
index 8e5e0358e..16a893226 100644
--- a/techlibs/ice40/cells_sim.v
+++ b/techlibs/ice40/cells_sim.v
@@ -145,34 +145,6 @@ module SB_CARRY (output CO, input I0, I1, CI);
assign CO = (I0 && I1) || ((I0 || I1) && CI);
endmodule
-(* abc_box_id = 1, lib_whitebox *)
-module \$__ICE40_CARRY_WRAPPER (
- (* abc_carry *)
- output CO,
- output O,
- input A, B,
- (* abc_carry *)
- input CI,
- input I0, I3
-);
- parameter LUT = 0;
- SB_CARRY carry (
- .I0(A),
- .I1(B),
- .CI(CI),
- .CO(CO)
- );
- SB_LUT4 #(
- .LUT_INIT(LUT)
- ) adder (
- .I0(I0),
- .I1(A),
- .I2(B),
- .I3(I3),
- .O(O)
- );
-endmodule
-
// Max delay from: https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L90
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L90
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L102
diff --git a/techlibs/ice40/synth_ice40.cc b/techlibs/ice40/synth_ice40.cc
index 841f10244..2e4684c19 100644
--- a/techlibs/ice40/synth_ice40.cc
+++ b/techlibs/ice40/synth_ice40.cc
@@ -245,7 +245,7 @@ struct SynthIce40Pass : public ScriptPass
define = "-D ICE40_U";
else
define = "-D ICE40_HX";
- run("read_verilog -icells " + define + " -lib +/ice40/cells_sim.v");
+ run("read_verilog " + define + " -lib +/ice40/cells_sim.v");
run(stringf("hierarchy -check %s", help_mode ? "-top <top>" : top_opt.c_str()));
run("proc");
}
@@ -349,6 +349,7 @@ struct SynthIce40Pass : public ScriptPass
}
if (!noabc) {
if (abc == "abc9") {
+ run("read_verilog -icells -lib +/ice40/abc_model.v");
int wire_delay;
if (device_opt == "lp")
wire_delay = 400;