diff --git a/activate-caravel.sh b/activate-caravel.sh
new file mode 100644
index 0000000..d8eec44
--- /dev/null
+++ b/activate-caravel.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+if [ "$0" = "activate-caravel.sh" ]
+then
+    echo "Don't run $0, source it by running '. $0'"
+    echo "Alternately, set the 'OPENLANE_ROOT', 'PDK_ROOT', and 'PDK' environment variables manually"
+    exit 1
+fi
+
+export OPENLANE_ROOT=$(pwd)/deps/openlane_src
+export PDK_ROOT=$(pwd)/deps/pdks
+export PDK=gf180mcuC
diff --git a/openlane/wb_pio/config.json b/openlane/wb_pio/config.json
index 2864ba8..73595bd 100644
--- a/openlane/wb_pio/config.json
+++ b/openlane/wb_pio/config.json
@@ -6,10 +6,10 @@
     "CLOCK_PORT": "wb_clk_i",
     "CLOCK_NET": "counter.clk",
     "FP_SIZING": "absolute",
-    "DIE_AREA": "0 0 900 600",
+    "DIE_AREA": "0 0 1900 1600",
     "FP_PIN_ORDER_CFG": "dir::pin_order.cfg",
     "PL_BASIC_PLACEMENT": 1,
-    "PL_TARGET_DENSITY": 0.80,
+    "PL_TARGET_DENSITY": 0.50,
     "SYNTH_NO_FLAT": 0,
     "VDD_NETS": ["vccd1"],
     "GND_NETS": ["vssd1"],
@@ -39,7 +39,7 @@
     "pdk::gf180mcuC": {
         "STD_CELL_LIBRARY": "gf180mcu_fd_sc_mcu7t5v0",
         "CLOCK_PERIOD": 24.0,
-        "FP_CORE_UTIL": 80,
+        "FP_CORE_UTIL": 20,
         "RT_MAX_LAYER": "Metal4",
         "SYNTH_MAX_FANOUT": 4,
         "PL_TARGET_DENSITY": 0.85