diff --git a/target/linux/adm5120/router_le/base-files/sbin/wget2nand b/target/linux/adm5120/router_le/base-files/sbin/wget2nand
index 50e9ddb4fb18ce3b69bcbb70aae8530c6cf20c49..20be45826b59a005b9b2df09413b216e30db5297 100755
--- a/target/linux/adm5120/router_le/base-files/sbin/wget2nand
+++ b/target/linux/adm5120/router_le/base-files/sbin/wget2nand
@@ -63,6 +63,11 @@ echo "chmod ugo+x /" > /tmp/wget2nand-rootfs/etc/uci-defaults/set_root_permissio
 sync
 ls /tmp/wget2nand-kernel/
 ls /tmp/wget2nand-rootfs/
+# use kexec if present
+[ -x /usr/sbin/kexec ] && {
+	kexec -l /tmp/wget2nand-kernel/kernel --command-line="$(cat /proc/cmdline) rootfstype=yaffs2 root=$mtd_kernel"
+	kexec -e
+}
 # unmount the partitions and remove the directories into which they were mounted
 umount /tmp/wget2nand-kernel
 umount /tmp/wget2nand-rootfs
diff --git a/target/linux/adm5120/router_le/config-2.6.26 b/target/linux/adm5120/router_le/config-2.6.26
index 622d74186936ebf4e48559f39251cda9b88e8ebe..4792f6445e9512ed3ec6998c561a5d995e9b5319 100644
--- a/target/linux/adm5120/router_le/config-2.6.26
+++ b/target/linux/adm5120/router_le/config-2.6.26
@@ -143,6 +143,7 @@ CONFIG_IP_NF_TARGET_CLUSTERIP=m
 CONFIG_IRQ_CPU=y
 # CONFIG_IWLWIFI_LEDS is not set
 # CONFIG_JOLIET is not set
+CONFIG_KEXEC=y
 # CONFIG_LEDS_ALIX is not set
 CONFIG_LEDS_GPIO=m
 CONFIG_LEDS_TRIGGER_ADM5120_SWITCH=m
diff --git a/target/linux/rb532/base-files/sbin/cf2nand b/target/linux/rb532/base-files/sbin/cf2nand
index 146aa4f112b40a110dcf9f16ca562133b6f97def..5b838dbbb97ed8735622e2269d0aa98ca603474b 100755
--- a/target/linux/rb532/base-files/sbin/cf2nand
+++ b/target/linux/rb532/base-files/sbin/cf2nand
@@ -53,6 +53,11 @@ echo "Copying filesystem..."
 ( cd /tmp/cf2nand/rootfs; tar c . ) | ( cd /tmp/cf2nand/p2; tar x )
 echo "chmod ugo+x /" > /tmp/cf2nand/p2/etc/uci-defaults/set_root_permission
 sync
+# Use kexec is present
+[ -x /usr/bin/kexec ] && {
+	kexec -l /tmp/cf2nand/p1/kernel --command-line="$(cat /proc/cmdline) root=/dev/mtdblock1 rootfstype=yaffs2 init=/etc/preinit"
+	kexec -e
+}
 umount /tmp/cf2nand/p2
 rmdir /tmp/cf2nand/p2
 
diff --git a/target/linux/rb532/base-files/sbin/wget2nand b/target/linux/rb532/base-files/sbin/wget2nand
index 2101195bca29bb661bdd14f6e9165c94b25e2233..b0f4205e78ba594481b0aaa1cca6adf43fa065c8 100755
--- a/target/linux/rb532/base-files/sbin/wget2nand
+++ b/target/linux/rb532/base-files/sbin/wget2nand
@@ -55,6 +55,12 @@ echo "chmod ugo+x /" > /tmp/wget2nand/etc/uci-defaults/set_root_permission
 sync
 ls /tmp/wget2nand-boot/
 ls /tmp/wget2nand/
+# use kexec if present
+[ -x /usr/bin/kexec ] && {
+	kexec -l /tmp/wget2nand-boot/kernel --command-line="$(cat /proc/cmdline) root=$main rootfstype=yaffs2 init=/etc/preinit"
+	kexec -e
+}
+
 # unmount the partitions and remove the directories into which they were mounted
 umount /tmp/wget2nand-boot
 umount /tmp/wget2nand
diff --git a/target/linux/rb532/config-2.6.23 b/target/linux/rb532/config-2.6.23
index fcfd6103ae0166e2e7200ca69a46da438753e79a..53c151753008527a095c8bd4d6d4cf4bc7e009dc 100644
--- a/target/linux/rb532/config-2.6.23
+++ b/target/linux/rb532/config-2.6.23
@@ -60,6 +60,7 @@ CONFIG_INITRAMFS_SOURCE=""
 CONFIG_INPUT=y
 CONFIG_INPUT_KEYBOARD=y
 CONFIG_IRQ_CPU=y
+CONFIG_KEXEC=y
 # CONFIG_KEYBOARD_ATKBD is not set
 CONFIG_KEYBOARD_GPIO=y
 # CONFIG_KEYBOARD_LKKBD is not set