pluto_hdl_adi/library/axi_clkgen/bd/bd.tcl

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Tcl
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proc init {cellpath otherInfo} {
set ip [get_bd_cells $cellpath]
bd::mark_propagate_override $ip \
"CLKIN_PERIOD CLKIN2_PERIOD"
}
proc axi_clkgen_get_infer_period {ip param clk_name} {
set param_src [get_property "CONFIG.$param.VALUE_SRC" $ip]
if {[string equal $param_src "USER"]} {
return;
}
set clk [get_bd_pins "$ip/$clk_name"]
set clk_freq [get_property CONFIG.FREQ_HZ $clk]
if {$clk_freq != {}} {
set clk_period [expr 1000000000.0 / $clk_freq]
set_property "CONFIG.$param" [format "%.6f" $clk_period] $ip
}
}
proc propagate {cellpath otherinfo} {
set ip [get_bd_cells $cellpath]
set vco_mul [get_property CONFIG.VCO_MUL $ip]
set vco_div [get_property CONFIG.VCO_DIV $ip]
set clk0_div [get_property CONFIG.CLK0_DIV $ip]
set clk1_div [get_property CONFIG.CLK1_DIV $ip]
if {$vco_mul == {} || $vco_mul < 1} {
set vco_mul 1
}
if {$vco_div == {} || $vco_div < 1} {
set vco_div 1
}
if {$clk0_div == {} || $clk0_div < 1} {
set clk0_div 1
}
if {$clk1_div == {} || $clk0_div < 1} {
set clk1_div 1
}
set clk [get_bd_pins "$ip/clk"]
set clk_freq [get_property CONFIG.FREQ_HZ $clk]
if {[get_property "CONFIG.ENABLE_CLKIN2" $ip] == "true"} {
set clk2 [get_bd_pins "$ip/clk"]
set clk2_freq [get_property CONFIG.FREQ_HZ $clk2]
# Use the larger of the two
if {$clk_freq == {} || $clk2_freq > $clk_freq} {
set clk_freq $clk2_freq
}
}
if {$clk_freq != {}} {
set clk0_out [get_bd_pins "$ip/clk_0"]
set clk0_out_freq [expr ($clk_freq + 0.0) * $vco_mul / ($vco_div * $clk0_div)]
set_property CONFIG.FREQ_HZ $clk0_out_freq $clk0_out
if {[get_property "CONFIG.ENABLE_CLKOUT1" $ip] == "true"} {
set clk0_out [get_bd_pins "$ip/clk_1"]
set clk1_out_freq [expr ($clk_freq + 0.0) * $vco_mul / ($vco_div * $clk1_div)]
set_property CONFIG.FREQ_HZ $clk1_out_freq $clk1_out
}
}
}
proc post_propagate {cellpath otherinfo} {
set ip [get_bd_cells $cellpath]
axi_clkgen_get_infer_period $ip CLKIN_PERIOD clk
if {[get_property "CONFIG.ENABLE_CLKIN2" $ip] == "true"} {
axi_clkgen_get_infer_period $ip CLKIN2_PERIOD clk2
}
}