placement: move logic from makefile into .tcl

Signed-off-by: Øyvind Harboe <[email protected]>

Author: oharboe

flow/Makefile

@@ -481,12 +481,6 @@ floorplan: $(RESULTS_DIR)/2_floorplan.odb \
 
 # ==============================================================================
 
-ifneq ($(FOOTPRINT),)
-IS_CHIP = 1
-else ifneq ($(FOOTPRINT_TCL),)
-IS_CHIP = 1
-endif
-
 UNSET_VARS = for var in $(UNSET_VARIABLES_NAMES); do unset $$var; done
 
 # FILE_MAKEFILE is needed when ORFS is invoked with

flow/scripts/io_placement.tcl

@@ -1,7 +1,7 @@
 source $::env(SCRIPTS_DIR)/load.tcl
 erase_non_stage_variables place
 
-if {![env_var_equals IS_CHIP 1]} {
+if {![env_var_exists_and_non_empty FOOTPRINT] && ![env_var_exists_and_non_empty FOOTPRINT_TCL]} {
   load_design 3_1_place_gp_skip_io.odb 2_floorplan.sdc
   source $::env(SCRIPTS_DIR)/io_placement_util.tcl
   write_db $::env(RESULTS_DIR)/3_2_place_iop.odb