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openwrt/target/linux
Petr Štetiar d42a7c4699 ath79: ubnt-m-xw: Fix factory image flashing using TFTP recovery method
Ubiquity allows flashing of unsigned factory images via TFTP recovery
method[1]. They claim in airOS v6.0.7 release changelog[2] following:

 All future airOS versions will be signed in this way and not allow
 unsigned firmware to be loaded except via TFTP.

U-boot bootloader on M-XW devices expects factory image revision
version in specific format. On airOS v6.1.7 with `U-Boot 1.1.4-s1039
(May 24 2017 - 15:58:18)` bootloader checks if the revision major(?)
number is actually a number, but in currently generated images there's
OpenWrt text and so the check fails:

 Hit any key to stop autoboot:  0
 Setting default IP 192.168.1.20
 Starting TFTP server...
 Receiving file from 192.168.1.25:38438
 Received 4981148 bytes
 Firmware check failed! (1)

By placing arbitrary correct number first in major version, we make the
bootloader happy and we can flash factory images over TFTP again:

 Received 3735964 bytes
 Firmware Version: XW.ar934x.v6.0.4-42.r8474-56aa1ac-OpenWrt
 Setting U-Boot environment variables
 Un-Protected 1 sectors
 Erasing Flash.... done

Patch provided by AREDN[3] project, tested on Bullet M2 XW (ynezz) and
Nanostation M5 XW (ae6xe).

1. https://help.ubnt.com/hc/en-us/articles/204910124-UniFi-TFTP-Recovery-for-Bricked-Access-Points
2. https://dl.ubnt.com/firmwares/XW-fw/v6.0.7/changelog.txt
3. https://github.com/aredn

Signed-off-by: Petr Štetiar <ynezz@true.cz>
6 years ago
..
adm5120 kernel: bump 3.18 to 3.18.123 6 years ago
adm8668 treewide: use wpad-basic for not small flash targets 6 years ago
apm821xx kernel: bump 4.14 to 4.14.78 6 years ago
ar7 treewide: use wpad-basic for not small flash targets 6 years ago
ar71xx ar71xx: fix TP-Link Archer C7 v5 switch LEDs 6 years ago
arc770 treewide: use wpad-basic for not small flash targets 6 years ago
archs38 treewide: use wpad-basic for not small flash targets 6 years ago
armvirt kernel: bump 4.14 to 4.14.77 6 years ago
at91 kernel: enable memory compaction 6 years ago
ath25 kernel: bump 4.14 to 4.14.79 6 years ago
ath79 ath79: ubnt-m-xw: Fix factory image flashing using TFTP recovery method 6 years ago
au1000 treewide: use wpad-basic for not small flash targets 6 years ago
bcm53xx bcm53xx: request Seama parser on DIR-885L directly 6 years ago
brcm47xx kernel: bump 4.14 to 4.14.81 6 years ago
brcm63xx kernel: bump 4.14 to 4.14.79 6 years ago
brcm2708 kernel: bump 4.9 to 4.9.137 6 years ago
cns3xxx kernel: bump 4.14 to 4.14.77 6 years ago
gemini gemini: Fix up image generation 6 years ago
generic kernel: enable CONFIG_BRIDGE_VLAN_FILTERING 6 years ago
imx6 imx6: image: ventana: Add missing BOOT_SCRIPT variable 6 years ago
ipq40xx kernel: bump 4.14 to 4.14.79 6 years ago
ipq806x kernel: bump 4.14 to 4.14.81 6 years ago
ixp4xx treewide: use wpad-basic for not small flash targets 6 years ago
kirkwood treewide: use wpad-basic for not small flash targets 6 years ago
lantiq lantiq/basefiles: use shutdown instead of stop when the system goes down 6 years ago
layerscape kernel: bump 4.9 to 4.9.137 6 years ago
malta treewide: use wpad-basic for not small flash targets 6 years ago
mcs814x kernel: bump 3.18 to 3.18.119 6 years ago
mediatek kernel: bump 4.14 to 4.14.79 6 years ago
mpc85xx mpc85xx: workaround 4.14 cross compile issue 6 years ago
mvebu kernel: bump 4.14 to 4.14.81 6 years ago
mxs kernel: bump 4.14 to 4.14.75 6 years ago
octeon octeon: remove linux 4.9 support 6 years ago
octeontx kernel: enable memory compaction 6 years ago
omap kernel: bump 4.14 to 4.14.77 6 years ago
omap24xx omap24xx: remove referece to not existing kmod-usb-musb-tusb6010 6 years ago
orion treewide: use wpad-basic for not small flash targets 6 years ago
oxnas oxnas: remove superseded sysupgrade image check 6 years ago
pistachio kernel: bump 4.14 to 4.14.79 6 years ago
ppc40x kernel: only optimized for size if small_flash 6 years ago
ppc44x kernel: only optimized for size if small_flash 6 years ago
ramips ramips: fix ethernet for f5d8235-v2 board 6 years ago
rb532 rb532: drop 4.9 support 6 years ago
samsung kernel: bump 4.14 to 4.14.77 6 years ago
sunxi kernel: bump 4.14 to 4.14.77 6 years ago
uml treewide: use wpad-basic for not small flash targets 6 years ago
x86 treewide: use wpad-basic for not small flash targets 6 years ago
xburst kernel: bump 3.18 to 3.18.119 6 years ago
zynq kernel: bump 4.14 to 4.14.77 6 years ago
Makefile