blob: b7e5f091858493ac02f81fa2650da364cba4a6a9 [file] [log] [blame]
# Power nets
set ::power_nets $::env(_VDD_NET_NAME)
set ::ground_nets $::env(_GND_NET_NAME)
pdngen::specify_grid stdcell {
name grid
core_ring {
met5 {width $::env(_WIDTH) spacing $::env(_SPACING) core_offset $::env(_H_OFFSET)}
met4 {width $::env(_WIDTH) spacing $::env(_SPACING) core_offset $::env(_V_OFFSET)}
}
rails {
}
straps {
met4 {width $::env(_WIDTH) pitch $::env(_V_PITCH) offset $::env(_V_PDN_OFFSET)}
met5 {width $::env(_WIDTH) pitch $::env(_H_PITCH) offset $::env(_H_PDN_OFFSET)}
}
connect {{met4 met5}}
}
pdngen::specify_grid macro {
instance "obs_core_obs"
power_pins $::env(_VDD_NET_NAME)
ground_pins $::env(_GND_NET_NAME)
blockages "li1 met1 met2 met3 met4 met5"
straps {
}
connect {}
}
if { $::env(CONNECT_GRIDS) } {
pdngen::specify_grid macro {
power_pins "VPWR"
ground_pins "VGND"
blockages "met4"
straps {
}
connect {{met4_PIN_ver met5}}
}
} else {
pdngen::specify_grid macro {
power_pins "VPWR"
ground_pins "VGND"
blockages "met4"
straps {
}
connect {}
}
}
pdngen::specify_grid macro {
power_pins $::env(_VDD_NET_NAME)
ground_pins $::env(_GND_NET_NAME)
blockages "li1 met1 met2 met3 met4"
straps {
}
connect {}
}
set ::halo 0
# POWER or GROUND #Std. cell rails starting with power or ground rails at the bottom of the core area
set ::rails_start_with "POWER" ;
# POWER or GROUND #Upper metal stripes starting with power or ground rails at the left/bottom of the core area
set ::stripes_start_with "POWER" ;