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openwrt/target/linux/gemini/image/Makefile
Linus Walleij db7a2fb217 gemini: pad storlink reference firmware to 128kb 
The redboot partition parser gets upset if a partition
doesn't end on an even erase block and marks the partition
read-only.

Fix this by always padding the three firmware items to
128kb.

It is no longer required for the filesystem to be padded
to 6144kb, so we pad this to just 128kb like the kernel
images.

Link: https://github.com/openwrt/openwrt/pull/21750
Signed-off-by: Linus Walleij <linusw@kernel.org>
2026-01-29 10:16:19 +01:00

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Makefile
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# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2009-2018 OpenWrt.org
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/image.mk
define Build/copy-kernel.bin
$(call locked,$(MAKE) -C copy-kernel CROSS_COMPILE=$(TARGET_CROSS) O=$(KDIR),gemini-copy-kernel.bin)
endef
# Cook a "WRGG" image, this board is apparently one in the D-Link
# WRGG family and uses the exact same firmware format as other
# D-Link devices.
define Build/dir685-image
mkwrggimg -i $@ \
-o $@.new \
-d /dev/mtdblock/1 \
-s wrgns01_dlwbr_dir685RBWW \
-v 'N/A' \
-m dir685 \
-B 96bb
mv $@.new $@
endef
# Padding added after the rootfs to an even 128k boundary
# as this is 128k eraseblocks flash.
define Build/dir685-pad-rootfs
$(STAGING_DIR_HOST)/bin/padjffs2 $(IMAGE_ROOTFS) -c 128 >>$@
endef
# Build D-Link DNS-313 images using the special header tool.
# rootfs.tgz and rd.tgz contains nothing, we only need them
# to satisfy the boot loader on the device. The zImage is
# the only real content.
define Build/dns313-images
mkdir -p $@.tmp/.boot
chmod 755 $@.tmp/.boot
echo "dummy" > $@.tmp/dummyfile
dns313-header $@.tmp/dummyfile \
$@.tmp/.boot/rootfs.tgz
dns313-header $@.tmp/dummyfile \
$@.tmp/.boot/rd.gz
dns313-header $(IMAGE_KERNEL) \
$@.tmp/.boot/zImage
rm $@.tmp/dummyfile
genext2fs --block-size $(BLOCKSIZE:%k=%Ki) \
--size-in-blocks $$((1024 * $(CONFIG_TARGET_KERNEL_PARTSIZE))) \
--squash-uids \
--root $@.tmp $@.tmp-boot
# The device firmware needs revision 1 of EXT2
$(STAGING_DIR_HOST)/bin/tune2fs -O filetype $@.tmp-boot
# Ignore errors because file system was intentionally broken with tune2fs
-$(STAGING_DIR_HOST)/bin/e2fsck -pDf $@.tmp-boot > /dev/null
./dns313_gen_hdd_img.sh $@ $@.tmp-boot $(IMAGE_ROOTFS) \
$(CONFIG_TARGET_KERNEL_PARTSIZE) \
$(CONFIG_TARGET_ROOTFS_PARTSIZE)
rm -rf $@.tmp
endef
define Build/wiligear-image
$(STAGING_DIR_HOST)/bin/mkfwimage2 \
-m GEOS -f 0x30000000 -z \
-v $(1).v5.00.SL3512.OpenWrt.00000.000000.000000 \
-p Kernel:0x020000:0x100000:0:0:$(IMAGE_KERNEL) \
-p Ramdisk:0x120000:0x500000:0:0:$@ \
-o $@.new
mv $@.new $@
endef
# Create the default image format used by the StorLink reference design
# SL93512r, Raidsonic NAS4220B and Itian Square One SQ201
# with the squashfs and overlay inside the "application" partition.
#
# These devices have a hard-coded partition table that the boot loader
# constantly reflashes back, so we need to work around it like this:
#
# 0x000000120000-0x000000320000 : "Kern" - small copy routine and first
# part of the kernel goes here
# 0x000000320000-0x000000920000 : "Ramdisk" - second part of the kernel and
# some padding goes here
# 0x000000920000-0x000000f20000 : "Application" - rootfs goes here
define CreateStorlinkTarfile
mkdir -p $@.tmp
# "Application" partition is the rootfs
mv $@ $@.tmp/hddapp.tgz
# 512 bytes copy routine
dd if=$(KDIR)/copy-kernel-$(2).bin of=$@.tmp/zImage
$(call Image/pad-to,$@.tmp/zImage,512)
# Copy first part of the kernel into zImage
dd if=$(IMAGE_KERNEL) of=$@.tmp/zImage bs=1 seek=512 count=$(3)
$(call Image/pad-to,$@.tmp/zImage,128k)
# Put the rest of the kernel into the "ramdisk"
dd if=$(IMAGE_KERNEL) of=$@.tmp/rd.gz bs=1 skip=$(3) count=6144k conv=sync
$(call Image/pad-to,$@.tmp/rd.gz,128k)
cp ./ImageInfo-$(1) $@.tmp/ImageInfo
sed -i -e "s/DATESTR/`date +%Y%m%d $(if $(SOURCE_DATE_EPOCH),--date "@$(SOURCE_DATE_EPOCH)")`/g" $@.tmp/ImageInfo
(cd $@.tmp; tar --sort=name --owner=0 --group=0 --numeric-owner -czf $@ * \
$(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)"))
rm -rf $@.tmp
exit 0
endef
# 2048k "Kern" partition
define Build/storlink-default-image
$(call CreateStorlinkTarfile,$(1),2048k,2096640)
endef
# 3072k "Kern" partition
define Build/raidsonic-ib-4220-b-image
$(call CreateStorlinkTarfile,$(1),3072k,3145216)
endef
# WBD-111 and WBD-222:
# work around the bootloader's bug with extra nops
# FIXME: is this really needed now that we no longer append the code
# to change the machine ID number? Needs testing on Wiliboard.
define Build/wbd-nops
mv $@ $@.tmp
echo -en "\x00\x00\xa0\xe1\x00\x00\xa0\xe1\x00\x00\xa0\xe1\x00\x00\xa0\xe1" > $@
cat $@.tmp >> $@
rm -f $@.tmp
endef
# All DTB files are prefixed with "gemini-"
define Device/Default
PROFILES := Default
DEVICE_DTS_DIR = $$(DTS_DIR)/gemini
KERNEL_DEPENDS = $$(wildcard $(DTS_DIR)/$$(DEVICE_DTS).dts)
KERNEL_NAME := zImage
KERNEL := kernel-bin | append-dtb
BLOCKSIZE := 128k
endef
# A reasonable set of default packages handling the NAS type
# of devices out of the box (former NAS42x0 IcyBox defaults)
GEMINI_NAS_PACKAGES := $(DEFAULT_PACKAGES.nas) \
kmod-md-mod kmod-md-linear \
kmod-md-raid0 kmod-md-raid1 kmod-md-raid10 kmod-md-raid456 \
kmod-fs-btrfs kmod-fs-cifs kmod-fs-nfs \
kmod-fs-nfsd kmod-fs-ntfs3 kmod-fs-reiserfs kmod-fs-vfat \
kmod-nls-utf8 kmod-usb-storage-extras kmod-hwmon-drivetemp \
cfdisk e2fsprogs badblocks \
partx-utils
# The DIR-685 flash layout is kernel in WRGG format, padded and followed
# by the appended rootfs followed by some reasonable JFFS padding, the
# remainder will be used by JFFS2 through overlayfs.
#
# - For the factory image, the WRGG image includes the rootfs so that the
# default firmware will flash it properly as all it knows is WRGG format.
# - For the sysupgrade, we do not include the rootfs in the kernel image
# so it is not needelessly tossed into the RAM by the boot loader.
# This will be flashed from OpenWrt userland anyways so we only need
# the minimum to make the boot loader happy.
define Device/dlink_dir-685
DEVICE_VENDOR := D-Link
DEVICE_MODEL := DIR-685 Xtreme N Storage Router
DEVICE_DTS := gemini-dlink-dir-685
DEVICE_PACKAGES := $(GEMINI_NAS_PACKAGES) \
kmod-dsa-rtl8366rb
IMAGES := factory.bin sysupgrade.bin
# Pad to 128k erase blocks with 160 bytes WRGG header
IMAGE/factory.bin := append-kernel | pad-offset 128k 160 | append-rootfs | dir685-pad-rootfs | dir685-image
IMAGE/sysupgrade.bin := append-kernel | pad-offset 128k 160 | dir685-image | append-rootfs | dir685-pad-rootfs | append-metadata
endef
TARGET_DEVICES += dlink_dir-685
define Device/dlink_dns-313
DEVICE_VENDOR := D-Link
DEVICE_MODEL := DNS-313 1-Bay Network Storage Enclosure
DEVICE_DTS := gemini-dlink-dns-313
DEVICE_PACKAGES := $(GEMINI_NAS_PACKAGES) usbgadget-acm
BLOCKSIZE := 1k
FILESYSTEMS := ext4
IMAGES := factory.bin.gz
IMAGE/factory.bin.gz := dns313-images | gzip
endef
TARGET_DEVICES += dlink_dns-313
# Default images setup used by the StorLink reference designs
define Device/storlink-reference
COMPILE := copy-kernel-$(1).bin
COMPILE/copy-kernel-$(1).bin := copy-kernel.bin
IMAGES := factory.bin sysupgrade.bin
FILESYSTEMS := squashfs
# Flash layout:
# Kern 512 bytes copy-kernel
# 2096640 bytes zImage
# Ramdisk 6144k remaining zImage
# Application 6144k
IMAGE/factory.bin := append-rootfs | pad-rootfs | pad-to 128k | \
storlink-default-image $(1)
IMAGE/sysupgrade.bin := append-rootfs | pad-rootfs | pad-to 128k | \
storlink-default-image $(1) | append-metadata
DEVICE_PACKAGES := $(GEMINI_NAS_PACKAGES)
endef
define Device/itian_sq201
$(Device/storlink-reference)
DEVICE_VENDOR := ITian
DEVICE_MODEL := Square One SQ201
DEVICE_DTS := gemini-sq201
DEVICE_PACKAGES += kmod-rt61-pci kmod-usb2-pci kmod-dsa-vsc73xx-spi
endef
TARGET_DEVICES += itian_sq201
define Device/raidsonic_ib-4220-b
$(Device/storlink-reference)
DEVICE_VENDOR := Raidsonic
DEVICE_MODEL := NAS IB-4220-B
DEVICE_DTS := gemini-nas4220b
# The IB-4220-B has a deviating flash layout
# Kern 3072k - 512 | = 3145216
# Ramdisk 6144k | = 9216k
# Application 6144k | = 15360k
IMAGE/factory.bin := append-rootfs | pad-rootfs | pad-to 128k | \
raidsonic-ib-4220-b-image $(1)
IMAGE/sysupgrade.bin := append-rootfs | pad-rootfs | pad-to 128k | \
raidsonic-ib-4220-b-image $(1) | append-metadata
endef
TARGET_DEVICES += raidsonic_ib-4220-b
define Device/storlink_sl93512r
$(Device/storlink-reference)
DEVICE_VENDOR := StorLink
DEVICE_MODEL := SL93512r
DEVICE_DTS := gemini-sl93512r
DEVICE_PACKAGES += kmod-dsa-vsc73xx-spi
endef
TARGET_DEVICES += storlink_sl93512r
# The wiliboard images need some changes to be functional and buildable.
#
# The dts would need to use the redboot-fis partition parser to get
# the correct partition offsets and size.
#
# The mkfwimage2 call need to be adjusted to reflect the real size of kernel
# and rootfs. It is expected that the OEM firmware adjusts the on flash
# partition table with the values defined in the image header.
define Device/wiliboard_wbd111
DEVICE_VENDOR := Wiliboard
DEVICE_MODEL := WBD-111
DEVICE_DTS := gemini-wbd111
KERNEL := kernel-bin | append-dtb | wbd-nops
IMAGES := factory.bin
IMAGE/factory.bin := append-rootfs | pad-rootfs | wiligear-image "WILI-S.WILIBOARD"
endef
define Device/wiliboard_wbd222
DEVICE_VENDOR := Wiliboard
DEVICE_MODEL := WBD-222
DEVICE_DTS := gemini-wbd222
KERNEL := kernel-bin | append-dtb | wbd-nops
IMAGES := factory.bin
IMAGE/factory.bin := append-rootfs | pad-rootfs | wiligear-image "WILI-S.WBD222"
endef
$(eval $(call BuildImage))
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