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ath79: image: disable sysupgrade images for routerstations and ja76pf2

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Because a bug in handling partial erase blocks in 4.19 kernel, using
sysupgrade images will hard brick devices that use RedBoot bootloader
and have "FIS directory" with "RedBoot config" on the same erase block.
Since flashing the devices from bootloader is safe, and to not cause a
situation where external chip programmer or JTAG is needed, disable
sysupgrade images for affected boards while creating kernel.bin and
rootfs.bin for jjPlus JA76PF2 board, which doesn't have factory image.

To set up the JA76PF2 board follow "Installation" instructions in b3a0c97
("ath79: add support for jjPlus JA76PF2") except the part of loading
initramfs image and using sysupgrade image for flashing (point 6 and 7).
Enter following commands to flash the board from bootloader:
  fis init
  load -r -b 0x80060000 <openwrt_kernel_image_name>
  fis create linux
  load -r -b %{FREEMEMLO} <openwrt_rootfs_image_name>
  fis create rootfs
  fis load -l linux
  exec -c ""

For RouterStations use TFTP recovery procedure.

Ref: FS#2428
Cc: Matt Merhar <mattmerhar@protonmail.com>
Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
This commit is contained in:
Tomasz Maciej Nowak 2019-08-23 15:50:52 +02:00 committed by Christian Lamparter
parent 0bf6a531c2
commit 0cc87b3bac
2 changed files with 4 additions and 5 deletions
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4
target/linux/ath79/image/generic-ubnt.mk
View File

@ -208,10 +208,8 @@ define Device/ubnt_routerstation_common
DEVICE_VENDOR := Ubiquiti
ATH_SOC := ar7161
IMAGE_SIZE := 16128k
IMAGES += factory.bin
IMAGES := factory.bin
IMAGE/factory.bin := append-rootfs | pad-rootfs | mkubntimage | check-size $$$$(IMAGE_SIZE)
IMAGE/sysupgrade.bin := append-rootfs | pad-rootfs | combined-image | append-metadata | check-size $$$$(IMAGE_SIZE)
# IMAGE/sysupgrade.bin := append-rootfs | pad-rootfs | check-size $$$$(IMAGE_SIZE) | sysupgrade-tar rootfs=$$$$@ | append-metadata
KERNEL := kernel-bin | append-dtb | lzma | pad-to $$(BLOCKSIZE)
KERNEL_INITRAMFS := kernel-bin | append-dtb
endef

5
target/linux/ath79/image/generic.mk
View File

@ -653,8 +653,9 @@ define Device/jjplus_ja76pf2
DEVICE_VENDOR := jjPlus
DEVICE_MODEL := JA76PF2
DEVICE_PACKAGES += -kmod-ath9k -swconfig -wpad-mini -uboot-envtools fconfig
IMAGE/sysupgrade.bin := append-rootfs | pad-rootfs | combined-image | append-metadata | check-size $$$$(IMAGE_SIZE)
# IMAGE/sysupgrade.bin := append-rootfs | pad-rootfs | check-size $$$$(IMAGE_SIZE) | sysupgrade-tar rootfs=$$$$@ | append-metadata
IMAGES := kernel.bin rootfs.bin
IMAGE/kernel.bin := append-kernel
IMAGE/rootfs.bin := append-rootfs | pad-rootfs
KERNEL := kernel-bin | append-dtb | lzma | pad-to $$(BLOCKSIZE)
KERNEL_INITRAMFS := kernel-bin | append-dtb
IMAGE_SIZE := 16000k