| set current_folder [file dirname [file normalize [info script]]] |
| |
| # Placement site for core cells |
| # This can be found in the technology lef |
| set ::env(PLACE_SITE) "$::env(STD_CELL_LIBRARY)" |
| set ::env(PLACE_SITE_WIDTH) 0.56 |
| set ::env(PLACE_SITE_HEIGHT) 3.92 |
| |
| # welltap and endcap cell |
| set ::env(FP_WELLTAP_CELL) "$::env(STD_CELL_LIBRARY)__filltie" |
| set ::env(FP_ENDCAP_CELL) "$::env(STD_CELL_LIBRARY)__endcap" |
| |
| # defaults (can be overridden by designs): |
| set ::env(SYNTH_DRIVING_CELL) "$::env(STD_CELL_LIBRARY)__inv_1" |
| set ::env(SYNTH_DRIVING_CELL_PIN) "ZN" |
| set ::env(SYNTH_CLK_DRIVING_CELL) "$::env(STD_CELL_LIBRARY)__inv_4" |
| set ::env(SYNTH_CLK_DRIVING_CELL_PIN) "ZN" |
| |
| # update these |
| set ::env(SYNTH_CAP_LOAD) "72.91" ; # femtofarad from pin I in liberty file |
| set ::env(SYNTH_MIN_BUF_PORT) "$::env(STD_CELL_LIBRARY)__buf_1 I Z" |
| set ::env(SYNTH_TIEHI_PORT) "$::env(STD_CELL_LIBRARY)__tieh Z" |
| set ::env(SYNTH_TIELO_PORT) "$::env(STD_CELL_LIBRARY)__tiel ZN" |
| |
| # Placement defaults |
| set ::env(PL_LIB) $::env(LIB_TYPICAL) |
| |
| # Fillcell insertion |
| set ::env(FILL_CELL) "$::env(STD_CELL_LIBRARY)__fill_*" |
| set ::env(DECAP_CELL) "$::env(STD_CELL_LIBRARY)__fillcap_*" |
| |
| # Diode Insertion |
| # A fake diode has to be created, for now don't use any strategy that uses fake diode |
| # set ::env(FAKEDIODE_CELL) "" |
| set ::env(DIODE_CELL) "$::env(STD_CELL_LIBRARY)__antenna" |
| set ::env(DIODE_CELL_PIN) "I" |
| set ::env(DIODE_INSERTION_STRATEGY) {4} |
| |
| set ::env(CELL_PAD) 2 |
| set ::env(CELL_PAD_EXCLUDE) "$::env(STD_CELL_LIBRARY)__filltie_* $::env(STD_CELL_LIBRARY)__filldecap_* $::env(STD_CELL_LIBRARY)__fill_* $::env(STD_CELL_LIBRARY)__endcap_*" |
| |
| # TritonCTS configurations |
| set ::env(CTS_ROOT_BUFFER) "$::env(STD_CELL_LIBRARY)__clkbuf_16" |
| set ::env(CTS_CLK_BUFFER_LIST) "$::env(STD_CELL_LIBRARY)__clkbuf_2 $::env(STD_CELL_LIBRARY)__clkbuf_4 $::env(STD_CELL_LIBRARY)__clkbuf_8" |
| set ::env(CTS_MAX_CAP) 0.5 |
| |
| set ::env(FP_PDN_RAIL_WIDTH) 0.6 |
| |
| # The library maximum transition is 8.9ns; setting it to lower value |
| set ::env(DEFAULT_MAX_TRAN) 3 |
| |
