diff --git a/package/base-files/files/etc/init.d/boot b/package/base-files/files/etc/init.d/boot
index b44c1a69fe1..d210fdcbaad 100755
--- a/package/base-files/files/etc/init.d/boot
+++ b/package/base-files/files/etc/init.d/boot
@@ -5,6 +5,8 @@ START=10
 STOP=98
 
 uci_apply_defaults() {
+	. /lib/functions/system.sh
+
 	cd /etc/uci-defaults || return 0
 	files="$(ls)"
 	[ -z "$files" ] && return 0
diff --git a/package/base-files/files/etc/preinit b/package/base-files/files/etc/preinit
index a8662eaf1d6..9cc8a9a8f63 100755
--- a/package/base-files/files/etc/preinit
+++ b/package/base-files/files/etc/preinit
@@ -25,6 +25,7 @@ pi_init_cmd="/sbin/init"
 
 . /lib/functions.sh
 . /lib/functions/preinit.sh
+. /lib/functions/system.sh
 
 boot_hook_init preinit_essential
 boot_hook_init preinit_main
diff --git a/package/base-files/files/lib/functions.sh b/package/base-files/files/lib/functions.sh
index 018fe2c12a6..7beea0e0ef1 100755
--- a/package/base-files/files/lib/functions.sh
+++ b/package/base-files/files/lib/functions.sh
@@ -186,13 +186,6 @@ include() {
 	done
 }
 
-find_mtd_index() {
-	local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
-	local INDEX="${PART##mtd}"
-
-	echo ${INDEX}
-}
-
 find_mtd_part() {
 	local INDEX=$(find_mtd_index "$1")
 	local PREFIX=/dev/mtdblock
@@ -201,136 +194,6 @@ find_mtd_part() {
 	echo "${INDEX:+$PREFIX$INDEX}"
 }
 
-find_mtd_chardev() {
-	local INDEX=$(find_mtd_index "$1")
-	local PREFIX=/dev/mtd
-
-	[ -d /dev/mtd ] && PREFIX=/dev/mtd/
-	echo "${INDEX:+$PREFIX$INDEX}"
-}
-
-mtd_get_mac_ascii()
-{
-	local mtdname="$1"
-	local key="$2"
-	local part
-	local mac_dirty
-
-	part=$(find_mtd_part "$mtdname")
-	if [ -z "$part" ]; then
-		echo "mtd_get_mac_ascii: partition $mtdname not found!" >&2
-		return
-	fi
-
-	mac_dirty=$(strings "$part" | sed -n 's/^'"$key"'=//p')
-
-	# "canonicalize" mac
-	[ -n "$mac_dirty" ] && macaddr_canonicalize "$mac_dirty"
-}
-
-mtd_get_blob()
-{
-	local mtdname="$1"
-	local offset="$2"
-	local count="$3"
-	local firmware="$4"
-	local part
-
-	part=$(find_mtd_part "$mtdname")
-	if [ -z "$part" ]; then
-		echo "mtd_get_blob: partition $mtdname not found!" >&2
-		return 1
-	fi
-
-	dd if=$part of=$firmware bs=1 skip=$offset count=$count 2>/dev/null || {
-		echo "mtd_get_blob: failed to extract $firmware from $part" >&2
-		return 1
-	}
-}
-
-mtd_get_mac_binary() {
-	local mtdname="$1"
-	local offset="$2"
-	local part
-
-	part=$(find_mtd_part "$mtdname")
-	if [ -z "$part" ]; then
-		echo "mtd_get_mac_binary: partition $mtdname not found!" >&2
-		return
-	fi
-
-	dd bs=1 skip=$offset count=6 if=$part 2>/dev/null | hexdump -v -n 6 -e '5/1 "%02x:" 1/1 "%02x"'
-}
-
-mtd_get_part_size() {
-	local part_name=$1
-	local first dev size erasesize name
-	while read dev size erasesize name; do
-		name=${name#'"'}; name=${name%'"'}
-		if [ "$name" = "$part_name" ]; then
-			echo $((0x$size))
-			break
-		fi
-	done < /proc/mtd
-}
-
-macaddr_add() {
-	local mac=$1
-	local val=$2
-	local oui=${mac%:*:*:*}
-	local nic=${mac#*:*:*:}
-
-	nic=$(printf "%06x" $((0x${nic//:/} + $val & 0xffffff)) | sed 's/^\(.\{2\}\)\(.\{2\}\)\(.\{2\}\)/\1:\2:\3/')
-	echo $oui:$nic
-}
-
-macaddr_setbit_la()
-{
-	local mac=$1
-
-	printf "%02x:%s" $((0x${mac%%:*} | 0x02)) ${mac#*:}
-}
-
-macaddr_2bin()
-{
-	local mac=$1
-
-	echo -ne \\x${mac//:/\\x}
-}
-
-macaddr_canonicalize()
-{
-	local mac="$1"
-	local canon=""
-
-	[ ${#mac} -gt 17 ] && return
-	[ -n "${mac//[a-fA-F0-9\.: -]/}" ] && return
-
-	for octet in ${mac//[\.:-]/ }; do
-		case "${#octet}" in
-		1)
-			octet="0${octet}"
-			;;
-		2)
-			;;
-		4)
-			octet="${octet:0:2} ${octet:2:2}"
-			;;
-		12)
-			octet="${octet:0:2} ${octet:2:2} ${octet:4:2} ${octet:6:2} ${octet:8:2} ${octet:10:2}"
-			;;
-		*)
-			return
-			;;
-		esac
-		canon=${canon}${canon:+ }${octet}
-	done
-
-	[ ${#canon} -ne 17 ] && return
-
-	printf "%02x:%02x:%02x:%02x:%02x:%02x" 0x${canon// / 0x} 2>/dev/null
-}
-
 group_add() {
 	local name="$1"
 	local gid="$2"
diff --git a/package/base-files/files/lib/functions/system.sh b/package/base-files/files/lib/functions/system.sh
new file mode 100644
index 00000000000..76554601595
--- /dev/null
+++ b/package/base-files/files/lib/functions/system.sh
@@ -0,0 +1,118 @@
+# Copyright (C) 2006-2013 OpenWrt.org
+
+find_mtd_index() {
+	local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
+	local INDEX="${PART##mtd}"
+
+	echo ${INDEX}
+}
+
+find_mtd_chardev() {
+	local INDEX=$(find_mtd_index "$1")
+	local PREFIX=/dev/mtd
+
+	[ -d /dev/mtd ] && PREFIX=/dev/mtd/
+	echo "${INDEX:+$PREFIX$INDEX}"
+}
+
+mtd_get_mac_ascii()
+{
+	local mtdname="$1"
+	local key="$2"
+	local part
+	local mac_dirty
+
+	part=$(find_mtd_part "$mtdname")
+	if [ -z "$part" ]; then
+		echo "mtd_get_mac_ascii: partition $mtdname not found!" >&2
+		return
+	fi
+
+	mac_dirty=$(strings "$part" | sed -n 's/^'"$key"'=//p')
+
+	# "canonicalize" mac
+	[ -n "$mac_dirty" ] && macaddr_canonicalize "$mac_dirty"
+}
+
+mtd_get_mac_binary() {
+	local mtdname="$1"
+	local offset="$2"
+	local part
+
+	part=$(find_mtd_part "$mtdname")
+	if [ -z "$part" ]; then
+		echo "mtd_get_mac_binary: partition $mtdname not found!" >&2
+		return
+	fi
+
+	dd bs=1 skip=$offset count=6 if=$part 2>/dev/null | hexdump -v -n 6 -e '5/1 "%02x:" 1/1 "%02x"'
+}
+
+mtd_get_part_size() {
+	local part_name=$1
+	local first dev size erasesize name
+	while read dev size erasesize name; do
+		name=${name#'"'}; name=${name%'"'}
+		if [ "$name" = "$part_name" ]; then
+			echo $((0x$size))
+			break
+		fi
+	done < /proc/mtd
+}
+
+macaddr_add() {
+	local mac=$1
+	local val=$2
+	local oui=${mac%:*:*:*}
+	local nic=${mac#*:*:*:}
+
+	nic=$(printf "%06x" $((0x${nic//:/} + $val & 0xffffff)) | sed 's/^\(.\{2\}\)\(.\{2\}\)\(.\{2\}\)/\1:\2:\3/')
+	echo $oui:$nic
+}
+
+macaddr_setbit_la()
+{
+	local mac=$1
+
+	printf "%02x:%s" $((0x${mac%%:*} | 0x02)) ${mac#*:}
+}
+
+macaddr_2bin()
+{
+	local mac=$1
+
+	echo -ne \\x${mac//:/\\x}
+}
+
+macaddr_canonicalize()
+{
+	local mac="$1"
+	local canon=""
+
+	[ ${#mac} -gt 17 ] && return
+	[ -n "${mac//[a-fA-F0-9\.: -]/}" ] && return
+
+	for octet in ${mac//[\.:-]/ }; do
+		case "${#octet}" in
+		1)
+			octet="0${octet}"
+			;;
+		2)
+			;;
+		4)
+			octet="${octet:0:2} ${octet:2:2}"
+			;;
+		12)
+			octet="${octet:0:2} ${octet:2:2} ${octet:4:2} ${octet:6:2} ${octet:8:2} ${octet:10:2}"
+			;;
+		*)
+			return
+			;;
+		esac
+		canon=${canon}${canon:+ }${octet}
+	done
+
+	[ ${#canon} -ne 17 ] && return
+
+	printf "%02x:%02x:%02x:%02x:%02x:%02x" 0x${canon// / 0x} 2>/dev/null
+}
diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh
index 90a00e45a21..2963c37b65f 100644
--- a/package/base-files/files/lib/upgrade/common.sh
+++ b/package/base-files/files/lib/upgrade/common.sh
@@ -69,7 +69,7 @@ run_ramfs() { # <command> [...]
 	for file in $RAMFS_COPY_BIN; do
 		install_bin $file
 	done
-	install_file /etc/resolv.conf /lib/functions.sh /lib/functions.sh /lib/upgrade/*.sh $RAMFS_COPY_DATA
+	install_file /etc/resolv.conf /lib/functions.sh /lib/functions/*.sh /lib/upgrade/*.sh $RAMFS_COPY_DATA
 
 	supivot $RAM_ROOT /mnt || {
 		echo "Failed to switch over to ramfs. Please reboot."
diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade
index e6588bffcf6..cd224c633a9 100755
--- a/package/base-files/files/sbin/sysupgrade
+++ b/package/base-files/files/sbin/sysupgrade
@@ -1,5 +1,6 @@
 #!/bin/sh
 . /lib/functions.sh
+. /lib/functions/system.sh
 
 # initialize defaults
 RAMFS_COPY_BIN=""	# extra programs for temporary ramfs root
diff --git a/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom b/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
index fa4b98c1c16..ce2392205be 100644
--- a/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
+++ b/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
@@ -31,6 +31,7 @@ ath9k_patch_firmware_mac() {
 
 . /lib/ar71xx.sh
 . /lib/functions.sh
+. /lib/functions/system.sh
 
 board=$(ar71xx_board_name)
 
diff --git a/target/linux/mpc85xx/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom b/target/linux/mpc85xx/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
index a6f9c918fec..0baec28859d 100644
--- a/target/linux/mpc85xx/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
+++ b/target/linux/mpc85xx/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
@@ -14,6 +14,7 @@ ath9k_eeprom_extract() {
 	local mtd
 
 	. /lib/functions.sh
+	. /lib/functions/system.sh
 
 	mtd=$(find_mtd_chardev $part)
 	[ -n "$mtd" ] || \
@@ -29,6 +30,7 @@ tpl_set_wireless_mac()
 	local mac
 
 	. /lib/functions.sh
+	. /lib/functions/system.sh
 
 	mac=$(mtd_get_mac_binary u-boot 326656)
 	mac=$(macaddr_add $mac $offset)