diff --git a/setup.csh b/setup.csh
index 82728f57c..62a99f376 100755
--- a/setup.csh
+++ b/setup.csh
@@ -5,48 +5,20 @@
 
 echo "Executing Wally setup.csh"
 
-# Path to Wally repository
-setenv WALLY $PWD
-echo '$WALLY set to ' ${WALLY}
 
 # Extend alias which makes extending PATH much easier.
 alias extend 'if (-d \!:2) if ("$\!:1" \!~ *"\!:2"*) setenv \!:1 ${\!:1}:\!:2;echo Added \!:2 to \!:1'
 alias prepend 'if (-d \!:2) if ("$\!:1" \!~ *"\!:2"*) setenv \!:1 "\!:2":${\!:1};echo Added \!:2 to \!:1'
 
-# License servers and commercial CAD tool paths
-# Must edit these based on your local environment.  Ask your sysadmin.
-setenv MGLS_LICENSE_FILE 27002@zircon.eng.hmc.edu                 # Change this to your Siemens license server
-setenv SNPSLMD_LICENSE_FILE 27020@zircon.eng.hmc.edu              # Change this to your Synopsys license server
-setenv QUESTAPATH /cad/mentor/questa_sim-2022.4_2/questasim/bin   # Change this for your path to Questa
-setenv SNPSPATH /cad/synopsys/SYN/bin                             # Change this for your path to Design Compiler
-
 # Path to RISC-V Tools
 setenv RISCV /opt/riscv   # change this if you installed the tools in a different location
 
-# Tools
-# Questa and Synopsys
-extend PATH $QUESTAPATH
-extend PATH $SNPSPATH 
-# GCC
-prepend LD_LIBRARY_PATH $RISCV/riscv-gnu-toolchain/lib
-prepend LD_LIBRARY_PATH $RISCV/riscv-gnu-toolchain/riscv64-unknown-elf/lib
-extend PATH $RISCV/riscv-gnu-toolchain/bin # GCC tools
-extend PATH $RISCV/riscv-gnu-toolchain/riscv64-unknown-elf/bin # GCC tools
-# Spike
-extend LD_LIBRARY_PATH $RISCV/lib
-extend PATH $RISCV/bin
+# Path to Wally repository
+setenv WALLY $PWD
+echo '$WALLY set to ' ${WALLY}
 # utility functions in Wally repository
 extend PATH $WALLY/bin
-# Verilator
-extend PATH /usr/local/bin/verilator # Change this for your path to Verilator
-# ModelSim/Questa (vsim)
-# Note: 2022.1 complains on cache/sram1p1r1w about StoredData cannot be driven by multiple always_ff blocks.  Ues 2021.2 for now
 
-# Imperas; put this in if you are using it
-#set path = ($RISCV/imperas-riscv-tests/riscv-ovpsim-plus/bin/Linux64 $path)
-#setenv LD_LIBRARY_PATH $RISCV/imperas_riscv_tests/riscv-ovpsim-plus/bin/Linux64:$LD_LIBRARY_PATH # remove if no imperas
-
-# Verilator needs a larger stack to simulate CORE-V Wally
-limit stacksize unlimited
+source $RISCV/site-setup.csh
 
 echo "setup done"
diff --git a/site-setup.csh b/site-setup.csh
new file mode 100644
index 000000000..9c234b5d0
--- /dev/null
+++ b/site-setup.csh
@@ -0,0 +1,46 @@
+#!/bin/csh
+
+# site-setup.csh
+
+# License servers and commercial CAD tool paths
+# Must edit these based on your local environment.  Ask your sysadmin.
+setenv MGLS_LICENSE_FILE 27002@zircon.eng.hmc.edu                 # Change this to your Siemens license server
+setenv SNPSLMD_LICENSE_FILE 27020@zircon.eng.hmc.edu              # Change this to your Synopsys license server
+setenv QUESTAPATH /cad/mentor/questa_sim-2022.4_2/questasim/bin   # Change this for your path to Questa
+setenv SNPSPATH /cad/synopsys/SYN/bin                             # Change this for your path to Design Compiler
+
+# Tools
+# Questa and Synopsys
+extend PATH $QUESTAPATH
+extend PATH $SNPSPATH 
+
+# GCC
+prepend LD_LIBRARY_PATH $RISCV/riscv-gnu-toolchain/lib
+prepend LD_LIBRARY_PATH $RISCV/riscv-gnu-toolchain/riscv64-unknown-elf/lib
+extend PATH $RISCV/riscv-gnu-toolchain/bin # GCC tools
+extend PATH $RISCV/riscv-gnu-toolchain/riscv64-unknown-elf/bin # GCC tools
+
+# Spike
+extend LD_LIBRARY_PATH $RISCV/lib
+extend PATH $RISCV/bin
+
+# Verilator
+extend PATH /usr/local/bin/verilator # Change this for your path to Verilator
+# Verilator needs a larger stack to simulate CORE-V Wally
+limit stacksize unlimited
+
+# Imperas; put this in if you are using it
+#set path = ($RISCV/imperas-riscv-tests/riscv-ovpsim-plus/bin/Linux64 $path)
+#setenv LD_LIBRARY_PATH $RISCV/imperas_riscv_tests/riscv-ovpsim-plus/bin/Linux64:$LD_LIBRARY_PATH # remove if no imperas
+
+setenv IDV $RISCV/ImperasDV-OpenHW
+if ($?IDV) then
+#    echo "Imperas exists"
+    setenv IMPERAS_HOME $IDV/Imperas
+    setenv IMPERAS_PERSONALITY CPUMAN_DV_ASYNC
+    setenv ROOTDIR=~/
+    setenv ${IMPERAS_HOME}/bin/setup.sh
+    setupImperas ${IMPERAS_HOME}
+    extend PATH $IDV/scripts/cvw
+endfi
+