io: more cleanup now that pin constraints are in .odb

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

Author: oharboe

docs/user/FlowVariables.md

@@ -249,7 +249,6 @@ configuration file.
 - [PDN_TCL](#PDN_TCL)
 - [PLACE_DENSITY](#PLACE_DENSITY)
 - [PLACE_DENSITY_LB_ADDON](#PLACE_DENSITY_LB_ADDON)
-- [PLACE_PINS_ARGS](#PLACE_PINS_ARGS)
 - [PLACE_SITE](#PLACE_SITE)
 - [REMOVE_ABC_BUFFERS](#REMOVE_ABC_BUFFERS)
 - [RESYNTH_AREA_RECOVER](#RESYNTH_AREA_RECOVER)

flow/scripts/io_placement.tcl

@@ -1,9 +1,12 @@
 source $::env(SCRIPTS_DIR)/load.tcl
 erase_non_stage_variables place
 
-if {![env_var_equals IS_CHIP 1]} {
+if {![env_var_equals IS_CHIP 1] && ![env_var_exists_and_non_empty FLOORPLAN_DEF]} {
   load_design 3_1_place_gp_skip_io.odb 2_floorplan.sdc
-  source $::env(SCRIPTS_DIR)/io_placement_util.tcl
+  log_cmd place_pins \
+    -hor_layers $::env(IO_PLACER_H) \
+    -ver_layers $::env(IO_PLACER_V) \
+    {*}$::env(PLACE_PINS_ARGS)
   write_db $::env(RESULTS_DIR)/3_2_place_iop.odb
   write_pin_placement $::env(RESULTS_DIR)/3_2_place_iop.tcl
 } else {

flow/scripts/io_placement_util.tcl

@@ -369,7 +369,6 @@ PLACE_PINS_ARGS:
     Arguments to place_pins
   stages:
     - place
-    - floorplan
   default: ""
 PLACE_DENSITY:
   description: >