Build an Environment to Debug Device Tree Generation

mkdir ~/tmp2
cd ~/tmp2 
git clone https://github.com/Xilinx/device-tree-xlnx
# Open a new terminal
mkdir ~/tmp3
cd ~/tmp3
# Vivado is at /tools/Xilinx/Vivado/2019.1/bin/vivado
source /tools/Xilinx/Vivado/2019.1/settings64.sh 
vivado -mode tcl
# You should see:
# xilinxuser@xu:~/tmp3$ vivado -mode tcl
#
# ****** Vivado v2019.1 (64-bit)
#   **** SW Build 2552052 on Fri May 24 14:47:09 MDT 2019
#   **** IP Build 2548770 on Fri May 24 18:01:18 MDT 2019
#     ** Copyright 1986-2019 Xilinx, Inc. All Rights Reserved.
#
# Vivado%
hsi::open_hw_design /home/xilinxuser/tmp/xc7z015_rev2_wrapper.hdf
# You should see:
# INFO: [Hsi 55-1698] elapsed time for repository loading 1 seconds
# xc7z015_rev2_wrapper
hsi::set_repo_path /home/xilinxuser/tmp2/device-tree-xlnx
set processor [hsi::get_cells * -filter {IP_TYPE==PROCESSOR}]
set processor [lindex $processor 0]
hsi::create_sw_design sw1 -proc $processor -os device_tree
hsi::generate_target {dts} -dir dtg_out
ls ~/tmp3/dtg_out/