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octeon: n821: sysupgrade for Cisco vEdge 1000
This commit adds the logic required to install OpenWrt on a Cisco/Viptela vEdge 1000 while nicely integrating with the already present bootloader and making it possible to roll back to stock OS. The vEdge 1000 has a built-in SSD with a ext2 partition from which the stock u-boot boots the Linux kernel from. In order for Linux not to be confused about which partition the root file system is on, there are some tricks needed to ensure the partition is identifiable at boot time. For this we use blkid as part of the scripts, and sfdisk as part of the manual installation process documented on the wiki. Thus, those packages have been added as a platform dependency. Finally, the u-boot environment is updated which requires the use of uboot-envtools. Tested on a Cisco vEdge 1000. Signed-off-by: Christian Svensson <blue@cmd.nu> Link: https://github.com/openwrt/openwrt/pull/16140 Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Christian Svensson
Robert Marko
parent
64dae1052b
commit
9bc782dfd8
@ -4,29 +4,46 @@ move_config() {
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. /lib/upgrade/common.sh
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local device="$1"
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local fstype="$2"
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[ -n "$device" ] && [ -b "$device" ] && {
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mount -t vfat "$device" /mnt
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mount -t "${fstype}" "$device" /mnt
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[ -f "/mnt/$BACKUP_FILE" ] && mv -f "/mnt/$BACKUP_FILE" /
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umount /mnt
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}
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}
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octeon_get_n821_disk() {
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local partnum=$1
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local MAJOR MINOR DEVNAME DEVTYPE
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while read line; do
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export -n "${line}"
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done < $(find /sys/bus/platform/devices/16f0000000000.ehci/ -path \*block/sd[a-z]/uevent)
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echo "/dev/${DEVNAME}${partnum}"
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}
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octeon_move_config() {
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. /lib/functions.sh
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case "$(board_name)" in
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erlite|\
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ubnt,usg)
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move_config "/dev/sda1"
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move_config "/dev/sda1" "vfat"
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;;
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itus,shield-router)
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move_config "/dev/mmcblk1p1"
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move_config "/dev/mmcblk1p1" "vfat"
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;;
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er|\
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ubnt,edgerouter-4|\
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ubnt,edgerouter-6p)
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move_config "/dev/mmcblk0p1"
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move_config "/dev/mmcblk0p1" "vfat"
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;;
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cisco,vedge1000)
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# Copy from the internal USB disk's first partition.
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# It is resolved from the device path to not be dependent on which
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# /dev/sd? path it is at, nor which UUID it happens to have.
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move_config "$(octeon_get_n821_disk 1)" "ext2"
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;;
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esac
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}
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@ -2,11 +2,21 @@
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# Copyright (C) 2021 OpenWrt.org
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#
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if [ -x /usr/sbin/blkid ]; then
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RAMFS_COPY_BIN="/usr/sbin/blkid"
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fi
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platform_get_rootfs() {
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local rootfsdev
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local rootpartuuid
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if read cmdline < /proc/cmdline; then
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case "$cmdline" in
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*root=PARTUUID=*)
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rootpartuuid="${cmdline##*root=PARTUUID=}"
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rootpartuuid="${rootpartuuid%% *}"
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rootfsdev="$(blkid -o device -t PARTUUID="${rootpartuuid}")"
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;;
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*root=*)
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rootfsdev="${cmdline##*root=}"
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rootfsdev="${rootfsdev%% *}"
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@ -17,10 +27,20 @@ platform_get_rootfs() {
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fi
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}
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platform_get_n821_disk() {
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local partnum=$1
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local DEVNAME
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while read line; do
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export -n "${line}"
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done < $(find /sys/bus/platform/devices/16f0000000000.ehci/ -path \*block/sd[a-z]/uevent)
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echo "/dev/${DEVNAME}${partnum}"
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}
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platform_copy_config_helper() {
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local device=$1
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local fstype=$2
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mount -t vfat "$device" /mnt
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mount -t "${fstype}" "$device" /mnt
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cp -af "$UPGRADE_BACKUP" "/mnt/$BACKUP_FILE"
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umount /mnt
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}
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@ -29,15 +49,18 @@ platform_copy_config() {
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case "$(board_name)" in
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erlite|\
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ubnt,usg)
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platform_copy_config_helper /dev/sda1
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platform_copy_config_helper /dev/sda1 vfat
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;;
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itus,shield-router)
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platform_copy_config_helper /dev/mmcblk1p1
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platform_copy_config_helper /dev/mmcblk1p1 vfat
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;;
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er|\
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ubnt,edgerouter-4|\
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ubnt,edgerouter-6p)
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platform_copy_config_helper /dev/mmcblk0p1
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platform_copy_config_helper /dev/mmcblk0p1 vfat
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;;
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cisco,vedge1000)
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platform_copy_config_helper "$(platform_get_n821_disk 1)" ext2
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;;
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esac
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}
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@ -61,14 +84,26 @@ platform_do_flash() {
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echo "flashing Itus Kernel to /boot/$kernel (/dev/mmblk1p1)"
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tar -Oxf $tar_file "$board_dir/kernel" > /boot/$kernel
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else
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mount -t vfat /dev/$kernel /boot
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if [ "${board}" = "cisco,vedge1000" ]; then
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local rootpartuuid
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rootpartuuid="$(/usr/sbin/blkid -o value -s PARTUUID "${rootfs}")"
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if [ -n "${rootpartuuid}" ]; then
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echo "setting root partition to PARTUUID=${rootpartuuid}"
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fw_setenv bootcmd 'usb start; ext2load usb 0:1 $loadaddr vmlinux.64; bootoctlinux $loadaddr coremask=f endbootargs rootfstype=squashfs rootwait root=PARTUUID='"${rootpartuuid}"
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else
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echo "WARNING: unable to figure out root partition UUID, leaving bootcmd unchanged"
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fi
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mount -t ext2 "${kernel}" /boot
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else
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mount -t vfat "${kernel}" /boot
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fi
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[ -f /boot/vmlinux.64 -a ! -L /boot/vmlinux.64 ] && {
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mv /boot/vmlinux.64 /boot/vmlinux.64.previous
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mv /boot/vmlinux.64.md5 /boot/vmlinux.64.md5.previous
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}
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echo "flashing kernel to /dev/$kernel"
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echo "flashing kernel to $(awk '/\/boot/ {print $1}' /proc/mounts)"
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tar xf $tar_file $board_dir/kernel -O > /boot/vmlinux.64
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md5sum /boot/vmlinux.64 | cut -f1 -d " " > /boot/vmlinux.64.md5
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fi
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@ -86,20 +121,27 @@ platform_do_upgrade() {
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local rootfs="$(platform_get_rootfs)"
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local kernel=
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if [ ! -b "${rootfs}" ] && [ "${board}" = "cisco,vedge1000" ]; then
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# Default to the built-in USB disk for N821
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rootfs="$(platform_get_n821_disk 2)"
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fi
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[ -b "${rootfs}" ] || return 1
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case "$board" in
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er | \
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ubnt,edgerouter-4 | \
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ubnt,edgerouter-6p)
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kernel=mmcblk0p1
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kernel=/dev/mmcblk0p1
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;;
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erlite|\
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ubnt,usg)
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kernel=sda1
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kernel=/dev/sda1
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;;
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itus,shield-router)
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kernel=ItusrouterImage
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;;
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cisco,vedge1000)
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kernel="$(platform_get_n821_disk 1)"
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;;
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*)
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return 1
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esac
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@ -123,7 +165,8 @@ platform_check_image() {
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itus,shield-router | \
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ubnt,edgerouter-4 | \
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ubnt,edgerouter-6p | \
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ubnt,usg)
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ubnt,usg | \
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cisco,vedge1000)
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local kernel_length=$(tar xf $tar_file $board_dir/kernel -O | wc -c 2> /dev/null)
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local rootfs_length=$(tar xf $tar_file $board_dir/root -O | wc -c 2> /dev/null)
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[ "$kernel_length" = 0 -o "$rootfs_length" = 0 ] && {
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@ -100,13 +100,16 @@ define Device/cisco_vedge1000
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DEVICE_MODEL := vEdge 1000
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BOARD_NAME := cisco,vedge1000
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DEVICE_PACKAGES += \
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blkid \
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kmod-hwmon-jc42 \
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kmod-hwmon-max6697 \
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kmod-of-mdio \
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kmod-rtc-ds1307 \
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kmod-usb-dwc3 \
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kmod-usb-storage-uas \
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kmod-usb3
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kmod-usb3 \
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sfdisk \
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uboot-envtools
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KERNEL := kernel-bin | append-dtb-elf
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KERNEL_DEPENDS := $$(wildcard $(DTS_DIR)/$(DEVICE_DTS).dts)
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DEVICE_DTS := cn6130_cisco_vedge1000
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