diff --git a/openlane/caravel/config.tcl b/openlane/caravel/config.tcl
index 650a2e3..f5a29e3 100755
--- a/openlane/caravel/config.tcl
+++ b/openlane/caravel/config.tcl
@@ -60,7 +60,11 @@
 set ::env(LEC_ENABLE) 0
 
 set ::env(FP_SIZING) absolute
-set ::env(DIE_AREA) "0 0 3200 5300"
+
+set fd [open "$script_dir/../chip_dimensions.txt" "r"]
+set ::env(DIE_AREA) [read $fd]
+close $fd
+
 
 set ::env(CELL_PAD) 0
 set ::env(PL_OPENPHYSYN_OPTIMIZATIONS) 0
@@ -68,8 +72,8 @@
 set ::env(DIODE_INSERTION_STRATEGY) 0
 
 set ::env(GLB_RT_ALLOW_CONGESTION) 1
-set ::env(GLB_RT_OVERFLOW_ITERS) 150
-set ::env(GLB_RT_TILES) 19
+set ::env(GLB_RT_OVERFLOW_ITERS) 50
+set ::env(GLB_RT_TILES) 15
 
 set ::env(FILL_INSERTION) 0
 
diff --git a/openlane/caravel/interactive.tcl b/openlane/caravel/interactive.tcl
index c98041e..0eaa381 100755
--- a/openlane/caravel/interactive.tcl
+++ b/openlane/caravel/interactive.tcl
@@ -11,17 +11,17 @@
 
 add_macro_placement padframe 0 0 N
 add_macro_placement storage 280.650 263.920 N
-add_macro_placement soc 814.445 274.435 N
-add_macro_placement mprj 374.750 1279.800 N
-add_macro_placement mgmt_buffers 887.890 1158.940 N
-add_macro_placement rstb_level 826.815 1163.920 N
+add_macro_placement soc 1059.120 274.435 N
+add_macro_placement mprj 374.750 1349.705 N
+add_macro_placement mgmt_buffers 1066.855 1223.255 N
+add_macro_placement rstb_level 767.850 211.805 N
 add_macro_placement user_id_value 778.715 1158.940 N
-add_macro_placement por 2943.930 1167.355 N
+add_macro_placement por 905.435 1237.260 N
 
 # west
 # gpio_control_blocks: 37 ... 32
 set x 39.250
-set y 1090.740
+set y 994.760
 set pitch 223
 set orient N
 for {set i 37} {$i >= 32} {incr i -1} {
@@ -42,10 +42,10 @@
 
 # east
 # gpio_control_bidir: 0 ... 1
-set x 3488.340
-set y 675.680
+set x 3373.015
+set y 588.645
 set pitch 233
-set orient N; # mirror
+set orient MY
 for {set i 0} {$i <= 1} {incr i} {
 	add_macro_placement "gpio_control_bidir\\\[$i\\\]" $x $y $orient
 	set y [expr {$y + $pitch}]
@@ -70,8 +70,8 @@
 
 # north
 # gpio_control_in: 23 ... 15
-set x 509.535
-set y 5093
+set x 480.150
+set y 4979.065
 set pitch 273
 set orient R270
 for {set i 23} {$i >= 15} {incr i -1} {
@@ -82,9 +82,13 @@
 
 manual_macro_placement f
 
+# modify to a different file
+remove_pins -input $::env(CURRENT_DEF)
+remove_empty_nets -input $::env(CURRENT_DEF)
+
 # li1_hack_start
-# global_routing
-# detailed_routing
+global_routing
+detailed_routing
 # li1_hack_end
 
 run_magic
diff --git a/openlane/chip_dimensions.txt b/openlane/chip_dimensions.txt
new file mode 100644
index 0000000..57d5821
--- /dev/null
+++ b/openlane/chip_dimensions.txt
@@ -0,0 +1 @@
+0 0 3588 5188