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add gcd to gf180 #4756

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Merged
maliberty merged 1 commit into from
Oct 28, 2026
Merged

add gcd to gf180 #4756

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6 changes: 6 additions & 0 deletions flow/designs/gf180/gcd/config.mk
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
export PLATFORM = gf180
export DESIGN_NAME = gcd
export VERILOG_FILES = $(DESIGN_HOME)/src/gcd/gcd.v
export SDC_FILE = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NAME)/constraint.sdc
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export CORE_UTILIZATION = 50
export PLACE_DENSITY = 0.70
19 changes: 19 additions & 0 deletions flow/designs/gf180/gcd/constraint.sdc
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@@ -0,0 +1,19 @@
current_design gcd

set clk_name core_clock
set clk_port_name clk
set clk_period 3
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set clk_io_pct 0.2

set clk_port [get_ports $clk_port_name]

create_clock -name $clk_name -period $clk_period $clk_port
set clk_io_name vclk_$clk_name
create_clock -name $clk_io_name -period $clk_period
set_clock_latency 0.070 [get_clocks $clk_name]
set_clock_latency 0.070 [get_clocks $clk_io_name]

set non_clock_inputs [all_inputs -no_clocks]

set_input_delay [expr $clk_period * $clk_io_pct] -clock $clk_io_name $non_clock_inputs
set_output_delay [expr $clk_period * $clk_io_pct] -clock $clk_io_name [all_outputs]