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mediatek: filogic: wax220: support factory image #13015

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mediatek: filogic: wax220: support factory image #13015

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35 changes: 35 additions & 0 deletions target/linux/mediatek/filogic/base-files/lib/preinit/75_rootfs_prepare
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@@ -0,0 +1,35 @@
# SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause

rootfs_create() {
local blocks

blocks=$(cat /sys/class/ubi/ubi0/avail_eraseblocks)
[ -z "$blocks" ] && {
echo "Failed to read amount of available erase blocks" >&2
return
}

# Delete after getting available blocks: Make sure enough space is
# left to recreate these volumes.
ubirmvol /dev/ubi0 -N kernel_backup
ubirmvol /dev/ubi0 -N rootfs_backup

# Use 90% of remaining flash size for "rootfs_data"
ubimkvol /dev/ubi0 -n 20 -N rootfs_data --lebs $((blocks / 100 * 90))
mknod -m 0600 /dev/ubi0_20 c 250 21
}

rootfs_prepare() {
case $(board_name) in
netgear,wax220)
if ! ubinfo /dev/ubi0 -N rootfs_data &>/dev/null; then
echo "Creating \"rootfs_data\" UBI volume"
rootfs_create
fi
;;
*)
;;
esac
}

boot_hook_add preinit_main rootfs_prepare
16 changes: 9 additions & 7 deletions target/linux/mediatek/image/filogic.mk
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Expand Up @@ -202,18 +202,20 @@ endef
TARGET_DEVICES += h3c_magic-nx30-pro

define Device/netgear_wax220
DEVICE_VENDOR := Netgear
DEVICE_VENDOR := NETGEAR
DEVICE_MODEL := WAX220
DEVICE_DTS := mt7986b-netgear-wax220
DEVICE_DTS_DIR := ../dts
NETGEAR_ENC_MODEL := WAX220
NETGEAR_ENC_REGION := US
DEVICE_PACKAGES := kmod-mt7986-firmware mt7986-wo-firmware
IMAGES := sysupgrade.bin
KERNEL_IN_UBI := 1
KERNEL := kernel-bin | lzma | \
fit lzma $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb
KERNEL_INITRAMFS := kernel-bin | lzma | \
fit lzma $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb with-initrd | pad-to 64k
KERNEL_INITRAMFS_SUFFIX := -recovery.itb
IMAGE_SIZE := 32768k
IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
IMAGES += factory.img
# Padding to 10M seems to be required by OEM web interface
IMAGE/factory.img := sysupgrade-tar | \
pad-to 10M | check-size | netgear-encrypted-factory
endef
TARGET_DEVICES += netgear_wax220

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