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Add some timings

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This commit is contained in:
Miodrag Milanovic 2025-01-17 11:12:17 +01:00
parent 6ee0098cf9
commit 5c142fc257
3 changed files with 22 additions and 0 deletions
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1
himbaechel/uarch/gatemate/constids.inc
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@ -110,6 +110,7 @@ X(O1)
X(O2)
X(CC_DFF)
X(CPE_DFF)
X(Q)
X(D)
X(R)

20
himbaechel/uarch/gatemate/gen/arch_gen.py
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@ -64,6 +64,26 @@ def set_timings(ch):
speed = "DEFAULT"
tmg = ch.set_speed_grades([speed])
lut = ch.timing.add_cell_variant(speed, "CPE")
lut.add_comb_arc("IN1", "OUT1", TimingValue(455, 459))
lut.add_comb_arc("IN2", "OUT1", TimingValue(450, 457))
lut.add_comb_arc("IN3", "OUT1", TimingValue(427, 430))
lut.add_comb_arc("IN4", "OUT1", TimingValue(423, 424))
lut.add_comb_arc("IN5", "OUT1", TimingValue(416, 418))
lut.add_comb_arc("IN6", "OUT1", TimingValue(413, 422))
lut.add_comb_arc("IN7", "OUT1", TimingValue(372, 374))
lut.add_comb_arc("IN8", "OUT1", TimingValue(275, 385))
lut.add_comb_arc("IN1", "OUT2", TimingValue(479, 484))
lut.add_comb_arc("IN2", "OUT2", TimingValue(471, 488))
lut.add_comb_arc("IN3", "OUT2", TimingValue(446, 449))
lut.add_comb_arc("IN4", "OUT2", TimingValue(443, 453))
dff = ch.timing.add_cell_variant(speed, "CPE_DFF")
dff.add_setup_hold("CLK", "IN1", ClockEdge.RISING, TimingValue(60), TimingValue(50))
dff.add_clock_out("CLK", "OUT1", ClockEdge.RISING, TimingValue(60))
dff.add_clock_out("CLK", "OUT2", ClockEdge.RISING, TimingValue(60))
def main():
# Range needs to be +1, but we are adding +2 more to coordinates, since
# they are starting from -2 instead of zero required for nextpnr

1
himbaechel/uarch/gatemate/pack.cc
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@ -455,6 +455,7 @@ void GateMatePacker::pack_cpe()
} else {
ci.unsetParam(id_INIT);
}
ci.timing_index = ctx->get_cell_timing_idx(id_CPE_DFF);
ci.type = id_CPE;
}
}