Initial commit of public repository open_pdks.
diff --git a/sky130/config.tcl b/sky130/config.tcl
new file mode 100644
index 0000000..d34b05f
--- /dev/null
+++ b/sky130/config.tcl
@@ -0,0 +1,31 @@
+# Process node
+set ::env(PROCESS) 130
+set ::env(DEF_UNITS_PER_MICRON) 1000
+
+
+# Placement site for core cells
+# This can be found in the technology lef
+set ::env(PLACE_SITE) "unithd"
+set ::env(PLACE_SITE_WIDTH) 0.460
+set ::env(PLACE_SITE_HEIGHT) 2.720
+
+set ::env(VDD_PIN) "vpwr"
+set ::env(GND_PIN) "vgnd"
+
+# Track information for generating DEF tracks
+set ::env(TRACKS_INFO_FILE) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/openlane/common_tracks.info"
+
+
+# Technology LEF
+set ::env(TECH_LEF) "$::env(PDK_ROOT)/$::env(PDK)/libs.ref/techLEF/$::env(PDK_VARIANT)/$::env(PDK_VARIANT)_tech.lef"
+set ::env(CELLS_LEF) [glob "$::env(PDK_ROOT)/$::env(PDK)/libs.ref/lef/$::env(PDK_VARIANT)/*.lef"]
+set ::env(MAGIC_TECH_FILE) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/magic/current/EFS8A.tech"
+set ::env(MAGIC_MAGICRC) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/magic/current/EFS8A.magicrc"
+set ::env(GPIO_PADS_LEF) [glob "$::env(PDK_ROOT)/$::env(PDK)/libs.ref/lef/s8iom0s8/routing_abstract/*.lef"]
+
+# netgen setup
+set ::env(NETGEN_SETUP_FILE) $::env(PDK_ROOT)/$::env(PDK)/libs.tech/netgen/$::env(PDK)_setup.tcl 
+# CTS luts
+set ::env(CTS_TECH_DIR) "N/A"
+
+set ::env(FP_TAPCELL_DIST) 20