diff --git a/scripts/env_tools/env_setup.bash b/scripts/env_tools/env_setup.bash
new file mode 100755
index 0000000..357b0a6
--- /dev/null
+++ b/scripts/env_tools/env_setup.bash
@@ -0,0 +1,346 @@
+#!/bin/bash
+
+# script to setup work enviroment for linux developers on open WRT
+#Usage:
+#  cd to <open wrt root>
+#  source ./scripts/env_tools/env_setup.bash
+#
+# this script will setup git autocomplete. make sure phabricator client is in the PATH
+# and setup PS1 to show GIT status.
+
+function echo_blue()
+{
+	echo -e '\033[1;34m'"$@"'\033[0m'
+}
+
+function echo_red()
+{
+	echo -e '\033[1;31m'"$@"'\033[0m'
+}
+
+function echo_purple()
+{
+	echo -e '\033[1;35m'"$@"'\033[0m'
+}
+
+export OWRT_ROOT=`pwd -P`
+
+function git_set_openwrt_alias()
+{
+	alias r='cd ${OWRT_ROOT}'
+	alias l='cd ${OWRT_ROOT}/marvell/linux'
+	alias t='cd ${OWRT_ROOT}/marvell/lte-telephony'
+	alias w='cd ${OWRT_ROOT}/marvell/linux/drivers/marvell/sd8897'
+	alias f='cd ${OWRT_ROOT}/marvell/fastpath'
+	alias i='cd ${OWRT_ROOT}/marvell/ims'
+	alias s='cd ${OWRT_ROOT}/marvell/services'
+	alias u='cd ${OWRT_ROOT}/marvell/uboot'
+	alias obm='cd ${OWRT_ROOT}/marvell/obm'
+	alias out='cd ${OWRT_ROOT}/bin/'
+
+	# scripts aliases
+	alias mgit='${OWRT_ROOT}/mgit.sh'
+	alias sa_lindent='${OWRT_ROOT}/scripts/env_tools/sa_lindent.sh'
+
+}
+
+function set_openwrt_git()
+{
+	ENV_TOOLS_DIR=$OWRT_ROOT/scripts/env_tools
+	
+	echo_blue "Environment setup script for NZ2/3 open wrt project"
+	
+	echo "setting PS1 with Git info"
+	source ${ENV_TOOLS_DIR}/git_prompt.bash
+	setps1
+	echo "adding git auto compleate to shell"
+	source ${ENV_TOOLS_DIR}/git_completion.bash
+	
+	# make sure /usr/local/bin/ to your PATH environment variable
+	if ( ! (echo $PATH | grep -c -q ":/usr/local/bin") ); then
+		export PATH=$PATH:/usr/local/bin
+	fi
+	
+	echo_blue "Done !"
+}
+
+function set_p305_git()
+{
+	#clean previous device setup
+	if [ -n "${DEVICE+set}" ]; then
+		unset DEVICE
+	fi
+
+	echo_blue "Device setup for p305"
+	# insert saar specific configuration here
+	export DEVICE=pxa1826p305
+	export BOARD=pxa1826p305
+	cd ${OWRT_ROOT} && make defconfig_${DEVICE} && cd -
+	echo_blue "Done !"
+}
+
+function set_spinor_git()
+{
+	#clean previous device setup
+	if [ -n "${DEVICE+set}" ]; then
+		unset DEVICE
+	fi
+
+	echo_blue "Device setup for spinor"
+	# insert spinor specific configuration here
+	export DEVICE=pxa1826spinor
+	export BOARD=pxa1826
+	cd ${OWRT_ROOT} && make defconfig_${DEVICE} && cd -
+	echo_blue "Done !"
+}
+
+function set_pcie_git()
+{
+	#clean previous device setup
+	if [ -n "${DEVICE+set}" ]; then
+		unset DEVICE
+	fi
+
+	echo_blue "Device setup for pxa1826pcie"
+	# insert pcie specific configuration here
+	export DEVICE=pxa1826pcie
+	export BOARD=pxa1826pcie
+	cd ${OWRT_ROOT} && make defconfig_${DEVICE} && cd -
+	echo_blue "Done !"
+}
+
+function set_dkb_git()
+{
+	#clean previous device setup
+	if [ -n "${DEVICE+set}" ]; then
+		unset DEVICE
+	fi
+
+	echo_blue "Device setup for pxa1826DKB"
+	# insert DKB specific configuration here
+	export DEVICE=pxa1826
+	export BOARD=pxa1826
+	cd ${OWRT_ROOT} && make defconfig_${DEVICE} && cd -
+	echo_blue "Done !"
+}
+
+function mk()
+{
+	BIN_DIR=$OWRT_ROOT/bin
+	DEFAULT='-j4 V=s'
+
+	if [ -z "${DEVICE}" ]; then
+		export DEVICE=pxa1826
+	fi
+
+	if [ -z "${BOARD}" ]; then
+		export BOARD=pxa1826
+	fi
+	
+	local rc
+	if [ "$1" != "I_am_respawned" ];then
+		# respawn myself with output redirection
+		mk I_am_respawned $* 2>&1 |  mrvlfilter ${OWRT_ROOT}/buildall.log
+		return
+	fi
+	shift 	# removing "I_am_respawned" parameter
+
+	if [ -z "$1" ] ; then	# no input parameter
+		echo_blue "what would you like to build?"
+		echo " 1.  build all"
+		echo " 2.  build Kernel"
+		echo " 3.  build Telephony"
+		echo " 4.  build uboot"
+		echo " 5.  build Obm"
+		echo " 6.  Clean previous builds"
+		echo " 7.  build clean - Clean previous builds and build all"
+		echo "=========================="
+		echo "for debug mode add the flag: -j1"
+		read x_ANSWER_ALL; ANSWER_ALL=( $x_ANSWER_ALL );
+		ANSWER=${ANSWER_ALL[0]}
+		for ((i=1; i<${#ANSWER_ALL[@]}; i++));do
+			VAROPTS+="${ANSWER_ALL[$i]} "
+		done
+	else
+		echo $1
+		ANSWER=$1
+		shift
+		VAROPTS="$@"
+	fi
+	
+	date
+	BUILD_START_TIME=$(date)
+	BUILD_START_TIME_S=$(date +%s)
+	
+	case $ANSWER in
+	1)
+		echo_blue "build NZ open WRT $OWRT_ROOT"
+		rm -rf $BIN_DIR/*
+		echo_blue "build $DEVICE device"
+		echo MRVL_START_FILTER_ACTION_START
+		cd ${OWRT_ROOT} && make package/network/services/lte-telephony/clean && make $DEFAULT $VAROPTS
+		check_build_result $?
+		echo MRVL_START_FILTER_ACTION_END
+		;;
+	2)
+		echo MRVL_START_FILTER_ACTION_START
+		cd ${OWRT_ROOT} && make target/linux/{compile,install} IB=y $DEFAULT $VAROPTS
+		check_build_result $?
+		echo MRVL_START_FILTER_ACTION_END
+		;;
+	3)
+		echo MRVL_START_FILTER_ACTION_START
+		cd ${OWRT_ROOT} && make package/network/services/lte-telephony/{clean,configure,compile} $DEFAULT $VAROPTS
+		[ $? -eq 0 ] && make package/install $DEFAULT $VAROPTS
+		[ $? -eq 0 ] && make target/linux/install $DEFAULT $VAROPTS
+		check_build_result $?
+		echo MRVL_START_FILTER_ACTION_END
+		;;
+	4)
+		echo MRVL_START_FILTER_ACTION_START
+		cd ${OWRT_ROOT} && make package/boot/uboot-mmp/{configure,compile} $DEFAULT $VAROPTS
+		mv -f ${BIN_DIR}/${BOARD}/*u-boot.bin ${BIN_DIR}/${BOARD}/swd/
+		check_build_result $?
+		echo MRVL_START_FILTER_ACTION_END
+		;;
+	5)
+		echo MRVL_START_FILTER_ACTION_START
+		cd ${OWRT_ROOT} && make package/obm-mmp/compile $DEFAULT $VAROPTS
+		mv -f ${BIN_DIR}/${BOARD}/*NonTLoader_NAND_DDR.bin ${BIN_DIR}/${BOARD}/swd/
+		check_build_result $?
+		echo MRVL_START_FILTER_ACTION_END
+		;;
+	6)
+		echo MRVL_START_FILTER_ACTION_START
+		echo_blue "Clean previous builds"
+		cd ${OWRT_ROOT} && make distclean V=s
+		./scripts/feeds update -a
+		./scripts/feeds install -a 
+		make defconfig_${DEVICE}
+		echo MRVL_START_FILTER_ACTION_END
+		;;
+	7)
+		echo MRVL_START_FILTER_ACTION_START
+		echo_blue "Clean previous builds"
+		cd ${OWRT_ROOT} && make distclean V=s
+		./scripts/feeds update -a
+		./scripts/feeds install -a 
+		make defconfig_${DEVICE}
+		echo_blue "build NZ open WRT $OWRT_ROOT"
+		make $DEFAULT $VAROPTS
+		check_build_result $?
+		echo MRVL_START_FILTER_ACTION_END
+		;;
+	*)
+		echo_red "This option isn't defined"
+		;;
+	esac		
+}
+
+function mrvlfilter()
+{
+	rm $1 2> /dev/null || true
+	awk -v logfile=$1 '
+		BEGIN{
+			c_pur = "\033[1;35m"; c_red = "\033[1;31m";c_end = "\033[0m";start=0;
+		}
+		/MRVL_START_FILTER_ACTION_START/{wrns=0;start=1;next;};
+		/MRVL_START_FILTER_ACTION_END/{start=0;
+		printf("%s@ ==================== @ %s\n",c_red, c_end);
+		printf("%s@ WARNINGS_COUNT %d %s\n",c_red, wrns, c_end);
+		printf("%s@ ==================== @ %s\n",c_red, c_end);
+		next;};
+
+		{print $0 >> logfile;};
+		start == 0 {print $0; next;};
+		/[Ww]arning[ \t]*:/||/[Ee]rror[ \t]*:/||/ERROR[ \t]*:/||/WARNING[ \t]*:/{
+			wrns += 1;
+			printf("%s%s%s\n",c_red, $0, c_end); next;};
+		/Removing unused section/{gsub(/([^[:space:]])*(linux-x86\/toolchain\/arm-eabi)([^[:space:]])*/,"");
+			printf("%s%s%s\n",c_pur, $0, c_end); next;}
+		{print $0;};
+	'
+}
+
+function copy_to_windows()
+{
+	if [ "${SYNC_PATH}" == "" ]; then
+		export SYNC_PATH=/nfs/pt/swdev/areas/projects/gr_platdev/${USER}/owrt_out
+	fi
+	echo_blue "copy open WRT build output to ${SYNC_PATH}"
+	mkdir -p ${SYNC_PATH}
+	rsync -L --chmod=Dgo+w,Fgo+w -avq ${OWRT_ROOT}/bin/ ${SYNC_PATH}/
+}
+
+function check_build_result() {
+	local result=${1:-$?}
+	if [ $result -ne 0 ] ; then
+		echo_red "build $DEVICE device"
+		echo_red "BUILD FAILS.\n"
+	else
+		echo_purple "build $DEVICE device"
+		echo_purple "BUILD SUCCESSFUL"
+		copy_to_windows
+	fi
+	BUILD_END_TIME=$(date)
+	BUILD_END_TIME_S=$(date +%s)
+
+	DIFF=$(($BUILD_END_TIME_S - $BUILD_START_TIME_S))
+	H1=$((DIFF / 3600))
+	M1=$((DIFF / 60 % 60))
+	S1=$((DIFF % 60))
+
+	echo ""
+	echo_purple "Build Start Time: $BUILD_START_TIME"
+	echo_purple "Build End Time:   $BUILD_END_TIME"
+
+	if (($H1 > 0)); then
+		printf "Build Duration:   %d seconds = %02dh%02dm%02ds\n" $DIFF $H1 $M1 $S1
+	else
+		printf "Build Duration:   %d seconds = %02dm%02ds\n" $DIFF $M1 $S1
+	fi
+	echo_purple "log found in ${OWRT_ROOT}/buildall.log"
+}
+
+function arc_land()
+{
+	echo_blue "arc_land"
+	branch="$(git branch | sed -n -e 's/^\* \(.*\)/\1/p')"
+	[ "$branch" == "master" ] && echo_red on branch master, abort. && return 1
+
+	# check if master branch exists
+	git show-ref --verify --quiet refs/heads/master
+	if [ $? -eq 0 ]; then
+		echo_red In order to land, need to create master branch. Delete current master branch?
+		select yn in "Yes" "No"; do
+			case $yn in
+				Yes ) git branch -D master; break;;
+				No ) echo_red abort.; return 1;;
+			esac
+		done
+	fi
+	
+	# Create a temporary master branch for arc land command
+	git branch --track master origin/master
+	[ ! $? -eq 0 ] && echo_red failed to create master branch, abort. && return 1
+
+	if [ "$branch" == "(no branch)" ]; then
+		tmp_branch=$(date +tmp_%N)
+		git checkout -b $tmp_branch
+	fi
+
+	arc land
+	result=$?
+
+	repo sync -d .
+	git branch -D master
+	[ ! -z "$tmp_branch" ] && git branch -D $tmp_branch
+
+	if [ $result -eq 0 ]; then
+		echo_blue Done.
+	else
+		echo_red Failed.
+	fi
+
+	return $result
+}