Commit graph

18431 commits

Author SHA1 Message Date
Piotr Dymacz
af8f0629df ar71xx: add support for ALFA Network R36A
ALFA Network R36A is a successor of the previous model, the R36 (Ralink
RT3050F based). New version is based on Qualcomm/Atheros QCA9531 v2.

Specification:

- 650/400/200 MHz (CPU/DDR/AHB)
- 64 MB of RAM (DDR2)
- 16 MB of FLASH (SPI NOR)
- 2x 10/100 Mbps Ethernet, with passive PoE support (24 V)
- 2T2R (QCA9531) 2.4 GHz, 2x u.fl connectors on PCB
- 1x USB 2.0 (power controlled by GPIO)
- 6x LED (5 of them are driven by GPIO)
- 2x button (reset, wifi/wps)
- external h/w watchdog (EM6324QYSP5B, disabled and not used)
- DC jack for main power input (12 V)
- UART header on PCB

Flash instruction:

You can use sysupgrade image directly in vendor firmware which is based
on LEDE/OpenWrt. Alternatively, you can use web recovery mode in U-Boot:

1. Configure PC with static IP 192.168.1.2/24.
2. Connect PC with one of RJ45 ports, press the reset button, power up
   device, wait for first blink of all LEDs (indicates network setup),
   then keep button for 3 following blinks and release it.
3. Open 192.168.1.1 address in your browser and upload sysupgrade image.

Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>
2018-01-15 00:12:13 +01:00
Piotr Dymacz
1f06144cde ar71xx: add support for Teltonika RUT900
Teltonika RUT900 is an industrial 3G router based on Atheros AR9344.

There are available 3 other models in RUT9xx series: RUT905, RUT950 and
RUT955, which differ in availability of additional I/O ports, built-in
GSM modem type, GPS antenna and other features. FCC ID of the RUT950
model (LTE module built-in): 2AET4-RUT950.

This patch adds support for the RUT900 model only but can be easily
extended to cover whole series. Also, as there are several different
3/4G modules (Huawei, Quectel, Telit) used in whole series, packages
required for WWAN support are not included by default. It is up to the
user to install required software for built-in modem.

Specification:

- 550/400/200 MHz (CPU/DDR/AHB)
- 128 MB of RAM (DDR2)
- 16 MB of FLASH (SPI NOR)
- 4x 10/100 Mbps Ethernet, with passive PoE support on LAN1
- 2T2R 2,4 GHz (AR9344), with ext. PA (MGA-22103) and LNA
- built-in 3G module (example: Telit HE910-D)
- 2x miniSIM slot
- 2x RP-SMA/F (Wi-Fi), 2x SMA/F (3G)
- PCA9539 16-bit GPIO I2C expander
- 12x LED (4 are driven by AR9344, 7 by PCA9539)
- 1x button (reset)
- DC jack for main power input (9-30 V)
- UART available on PCB edge connector

Serial console pinout:

- RX: pin1 (square) on top side of the main PCB (AR9344 is on top)
- TX: pin1 (square) on bottom side

Flash instruction:

Vendor firmware is based on OpenWrt CC release. Use the "factory" image
directly in GUI (make sure to uncheck "keep settings") or in U-Boot web
based recovery. To avoid any problems, make sure to first update vendor
firmware to latest version - "factory" image was successfully tested on
device running "RUT9XX_R_00.03.960" firmware and U-Boot "3.0.1".

Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>
2018-01-15 00:09:43 +01:00
Piotr Dymacz
4b0eebe9df ar71xx: add support for ALFA Network N5Q
ALFA Network N5Q is a successor of previous model, the N5 (outdoor
CPE/AP, based on Atheros AR7240 + AR9280). New version is based on
Atheros AR9344.

Specification:

- 550/400/200 MHz (CPU/DDR/AHB)
- 64 MB of RAM (DDR2)
- 16 MB of FLASH (SPI NOR)
- 2x 10/100 Mbps Ethernet, with passive PoE support (24 V)
- 2T2R 5 GHz (AR9344), with ext. PA (RFPA5542) and LNA, up to 27 dBm
- 8x LED (7 are driven by GPIO)
- 1x button (reset)
- external h/w watchdog (EM6324QYSP5B, disabled and not used)
- header for optional 802.3at/af PoE module
- DC jack for main power input (optional, not installed by default)
- UART header on PCB

Flash instruction:

You can use sysupgrade image directly in vendor firmare which is based
on OpenWrt/LEDE. Alternatively, you can use web recovery mode in U-Boot:

1. Configure PC with static IP 192.168.1.2/24.
2. Connect PC with one of RJ45 ports, press the reset button, power up
   device, wait for first blink of all LEDs (indicates network setup),
   then keep button for 3 following blinks and release it.
3. Open 192.168.1.1 address in your browser and upload sysupgrade image.

Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>
2018-01-14 21:30:16 +01:00
Piotr Dymacz
7f9f42d42e ar71xx: add support for ALFA Network AP91-5G
ALFA Network AP91-5G is a 5 GHz outdoor AP/CPE board, based on Atheros
AR7240 + AR9280.

Specification:

- 400/400/200 MHz (CPU/DDR/AHB)
- 32 MB of RAM (DDR1)
- 8 MB of FLASH (SPI NOR)
- 1x 10/100 Mbps Ethernet, with passive PoE support (24 V)
- 1T1R 5 GHz (AR9280), with ext. PA (SE5004L) and LNA, up to 27 dBm
- 6x LED (5 are driven by GPIO)
- 1x button (reset)
- external h/w watchdog (EM6324QYSP5B, disabled and not used)
- header for optional 802.3at/af PoE module
- DC jack for main power input (optional, not installed by default)
- UART and LEDs headers on PCB

Flash instruction:

Use "factory" image in vendor GUI (in case of problems, make sure your
board has up to date firmware). Alternatively, TFTP in U-Boot can be
used: select option "2. Load system code then write to Flash via TFTP"
during early boot and use "sysupgrade" image.

Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>
2018-01-14 20:33:18 +01:00
Piotr Dymacz
ce6c7691ec ar71xx: base-files: cosmetic cleanups in preinit scripts
Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>
2018-01-14 20:33:18 +01:00
Piotr Dymacz
9a867fcddf ar71xx: base-files: drop LED control from 05_set_iface_mac_ar71xx
There is no "dir-615-c1:green:wancpu" LED defined in mach-dir-615-c1.c

Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>
2018-01-14 20:33:18 +01:00
Piotr Dymacz
71489bfa48 ar71xx: base-files: fix boards order in 05_set_preinit_iface_ar71xx
Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>
2018-01-14 20:33:18 +01:00
Stijn Tintel
d6679090b4 kernel: add missing config symbol
The KEXEC_FILE symbol exists for X86 since kernel 3.17, and since 4.10
for PPC64. Add it to x86/config-4.9 and to generic/config-4.14.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
2018-01-14 21:27:33 +02:00
Stijn Tintel
0c12830d4a kernel: add missing DRM symbols to generic config
Several new DRM symbols that were introduced after 4.9 are missing in
the generic config for 4.14, so add them.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
2018-01-14 21:27:26 +02:00
Stijn Tintel
6577244b6f kernel: sort generic configs
Use kconfig.pl to sort the generic kernel configs.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
2018-01-14 20:31:02 +02:00
Stijn Tintel
34e319dd30 kernel: move DRM_DEBUG_* symbols to generic config
While working on a new target (meson), the kernel build failed due to
missing DRM_DEBUG_MM_SELFTEST symbol. This can potentially happen on all
targets that enable DRM drivers in the kernel config or via kmod
packages, so add it to the generic config and remove it from x86
subtarget configs, together with DRM_DEBUG_MM.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
2018-01-14 20:15:01 +02:00
Matthias Schiffer
0cd5e85e7a
ar71xx: create new ar71xx/tiny subtarget for 4MB flash devices
This new subtarget sets the small_flash flag and removes unused kernel
configuration.

small_flash removes KERNEL_KALLSYMS, which saves ~107KB in the default
configuration; removing unneeded hardware support from ar71xx/tiny saves
another ~18KB (both after LZMA).

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
2018-01-13 19:54:45 +01:00
Matthias Schiffer
29d126b5c1
ar71xx/generic: add generic- prefix to vendor-specific image Makefile snippets
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
2018-01-13 19:54:45 +01:00
Matthias Schiffer
3d365831b0
ar71xx: reorganize kernel configuration
Rather than including all machines for the generic subtarget in the base
configuration, leave the base configuration without specific machines and
create a proper subtarget config for ar71xx/generic. The configuration
diffs of the mikrotik and nand subtargets get significantly shorter, as
will the configurations of future subtargets.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
2018-01-13 19:54:45 +01:00
Matthias Schiffer
d04056e5ea
ar71xx: disable devicetree support
While we'd like to convert ar71xx to DT-based configuration
eventually, we aren't quite there yet, and shipping half-baked DT support
that is not used at all wastes precious space.

Saves ~120KB before LZMA, ~33KB after LZMA.

Run-tested on TP-Link CPE510 and TL-WR841 v7.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
2018-01-13 19:54:45 +01:00
Jo-Philipp Wich
7e99a6ba69 target: disable CONFIG_PROC_PAGE_MONITOR on most targets
Disable CONFIG_PROC_PAGE_MONITOR in most places and only keep it enabled
for virtual targets such as malta or potent ones like x86.

This saves up to 4KB of uncompressed kernel size and significantly
decreases CPU load under certain workloads.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2018-01-13 15:04:15 +01:00
Sven Eckelmann
86e18f6706 ipq806x: add support for OpenMesh A42
* QCA IPQ401x
* 256 MB of RAM
* 32 MB of SPI NOR flash (s25fl256s1)
  - 2x 15 MB available; but one of the 15 MB regions is the recovery image
* 2T2R 2.4 GHz
  - QCA4019 hw1.0 (SoC)
  - requires special BDF in QCA4019/hw1.0/board-2.bin with
    bus=ahb,bmi-chip-id=0,bmi-board-id=16,variant=OM-A42
* 2T2R 5 GHz
  - QCA4019 hw1.0 (SoC)
  - requires special BDF in QCA4019/hw1.0/board-2.bin with
    bus=ahb,bmi-chip-id=0,bmi-board-id=17,variant=OM-A42
* multi-color LED (controlled via red/green/blue GPIOs)
* 1x button (reset; kmod-input-gpio-keys compatible)
* external watchdog
  - triggered GPIO
* 1x USB (xHCI)
* TTL pins are on board (arrow points to VCC, then follows: GND, TX, RX)
* 2x gigabit ethernet
* powered only via POE
  - 802.3af POE on Ethernet 1
  - 18-24v passive POE (mode B) on Ethernet 2

The tool ap51-flash (https://github.com/ap51-flash/ap51-flash) should be
used to transfer the factory image to the u-boot when the device boots up.

Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>
2018-01-13 08:00:14 +01:00
Sven Eckelmann
c242643d1a ipq806x: enable gpio watchdog support
The kernel driver gpio-wdt or the userspace tool om-watchdog can be used to
trigger external gpio watchdog chips. The gpio-wdt driver has the benefit
that it can be configured together with the rest of the device in the DTS
and better integrates in the OpenWrt via procd.

Signed-off-by: Sven Eckelmann <sven.eckelmann@openmesh.com>
2018-01-13 08:00:07 +01:00
Luis Araneda
7293499f71 ipq806x: Sort occurrences of boardame alphabetically
This restores the alphabetical sort that was present
before the renaming of boardname.

Signed-off-by: Luis Araneda <luaraneda@gmail.com>
2018-01-13 07:33:03 +01:00
Luis Araneda
33f09cf151 ipq806x: convert to dt-based board-detection
Use the generic board detection method:
- Board name: First compatible string from the device tree
- Board model: Model property from the device tree

Change occurrences of board name in userspace by the compatible
string, and removed target specific board detection script

Replace the definition of SUPPORTED_DEVICES in Device/Default
to extract the dt compatible string from each device definition.
Additionally, for devices supported by lede-17.01, append
the value of BOARD_NAME to SUPPORTED_DEVICES in the device
definition.

Signed-off-by: Luis Araneda <luaraneda@gmail.com>
2018-01-13 07:33:03 +01:00
Luis Araneda
3cbdae2421 ipq806x: sync image filename with dt compatible string
Use <manufacturer>_<modelname> as image name for board using the
devicetree compat string as boardname.

Signed-off-by: Luis Araneda <luaraneda@gmail.com>
2018-01-13 07:33:02 +01:00
Luis Araneda
09e13bd341 ipq806x: add a helper variable with the vendor name stripped
This will allow to maintain the current syntax for LEDs config
when switching to a device tree compatible string boardname.

None of the current boards use a comma in the boardname, so they
will be unaffected.

Signed-off-by: Luis Araneda <luaraneda@gmail.com>
2018-01-13 07:33:02 +01:00
Luis Araneda
8ed5dfedc6 ipq806x: add missing dt compatible string to ap-dk04 board
Compatible string is mandatory to dts files

Signed-off-by: Luis Araneda <luaraneda@gmail.com>
2018-01-13 07:33:02 +01:00
Mathias Kresin
c3d9fe96dc ipq806x: drop partitial supported boards
There are only artifacts for these boards in our tree and not even
partial support.

Drop teh stale files.

Signed-off-by: Mathias Kresin <dev@kresin.me>
2018-01-13 07:33:02 +01:00
Florian Fainelli
0cf7c54023 armvirt: Resync kernel configuration
The 4.14 kernel configuration defaulted to a v4/v5 multiplatform while
4.9 was using a v6/v7 default configuration. Resync 4.14 against 4.9 so
they are nearly identical.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2018-01-12 15:14:27 -08:00
Florian Fainelli
d8a12a7d9f kernel: Add a bunch of missing symbols
Add a bunch of missing configuration symbols found while building
armvirt for 4.14 after re-synchronization of the configuration between
4.9 and 4.14.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2018-01-12 15:14:27 -08:00
Rafał Miłecki
3618dcbff8 bcm53xx: rename SPI driver fix to use 0xx prefix as it was accepted
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2018-01-12 23:29:48 +01:00
Rafał Miłecki
8cd3370cce bcm53xx: use upstream fix for PCI iproc driver regression
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2018-01-12 23:27:43 +01:00
Rosen Penev
7059ab48a6 ramips: fix cpuclock for the GB-PC1
The GnuBee PC1 stock bootloader runs at 900Mhz. This fixes bad clock drift when running the platform.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
2018-01-12 08:02:51 +01:00
Christian Lamparter
3c94691620 apm821xx: remove kernel 4.9 support
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
2018-01-12 08:00:05 +01:00
Christian Lamparter
e97f92bbf9 apm821xx: switch to 4.14.x kernel
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
2018-01-12 08:00:05 +01:00
Christian Lamparter
780477d17c apm821xx: backport crypto4xx patches from 4.15
This patch backports changes to crypto4xx in order
to get the crypto4xx operational.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
2018-01-12 08:00:04 +01:00
Christian Lamparter
e4371779d2 apm821xx: convert MR24 to use DT PHY defintion
Convert the MR24 to use the DT phy probing and at803x PHY driver.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
2018-01-12 08:00:04 +01:00
Christian Lamparter
15faf389ad apm821xx: add linux 4.14 apm821xx patches
This patch updates the apm821xx target to use the 4.14 kernel.

4.14 finally ships with a driver for the WNDR4700's tc654 fan
controller. The custom driver is deprecated in favor of the
upstream driver and the thermal cooling definitions in the DTS
are updated.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
2018-01-12 08:00:04 +01:00
Hauke Mehrtens
31fca075c7 at91: create device specific sdcard images
Without this patch one sdcard image with the following name is created
for all devices:
openwrt-at91-sama5--sdcard.img.gz
This makes the build system create device specific versions like:
openwrt-at91-sama5-at91-sama5d2_xplained-sdcard.img.gz

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2018-01-11 20:35:33 +01:00
Kevin Darbyshire-Bryant
7c7586b6d0 kernel: bump 4.14 to 4.14.13
Refresh patches

Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
2018-01-11 20:34:33 +01:00
Kevin Darbyshire-Bryant
eceff9ea8f kernel: bump 4.4 to 4.4.111
Refresh patches

Tested-on: ar71xx Archer C7 v2

Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
2018-01-11 20:33:40 +01:00
Kevin Darbyshire-Bryant
2228dbf4e6 kernel: bump 4.9 to 4.9.76
Refresh patches

Tested-on: ar71xx Archer C7 v2

Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
Tested-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
2018-01-11 20:32:36 +01:00
Rafał Miłecki
05cb6aa69f bcm53xx: replace linux,part-probe with a proper partitions subnode
This solution is more upstream compatible as it only requires specifying
of_match_table in the parser code and doesn't depend on linux,part-probe
which is solution made generic by a LEDE downstream patch that can't be
upstreamed.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2018-01-11 14:05:10 +01:00
Rafał Miłecki
bde5e7a632 kernel: backport mtd implementation for "compatible" in "partitions" subnode
This backports upstream support for "compatible" DT property set for the
"partitions" subnode of flash node. It allows specifying how partitions
should be created/parsed. Right now only "fixed-partitions" is
supported.

It should eventually replace our downstream "linux,part-probe" solution.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2018-01-11 12:07:49 +01:00
Matthias Schiffer
ef27f15330
kernel: allow disabling multicast routing support
Multicast routing support is not needed in most setups, and increases the
size of the kernel considerably (>10K after LZMA). Add a config switch to
allow disabling it.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
2018-01-11 11:51:24 +01:00
Matthias Schiffer
1abb5c6db1
generic: unlock Winbond flash on boot
The underlying issue breaking Spansion flash has been fixed with "mtd: spi-nor:
wait until lock/unlock operations are ready" and "mtd: spi-nor: wait for SR_WIP
to clear on initial unlock", so we can support unlocking for Winbond flash
again.

This is necessary to have writable flash on certain UBNT devices with some
bootloader versions.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
2018-01-11 11:51:07 +01:00
Jo-Philipp Wich
f66fe0080a sunxi: enable missing config symbol
Enable CONFIG_MFD_AXP20X_I2C after the switch to Kernel 4.9, this symbol
is reportedly required to get USB working on the Banana Pi.

Ref: https://forum.lede-project.org/t/sunxi-kernel-4-9-usb-not-working/10513
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2018-01-11 03:14:07 +01:00
Mathias Kresin
d3fd38637f lantiq: create ATM/PTM interfaces with dsl as netdev name
Renaming an atm etherbride using 'ip link' (via hotplug) is racy since the
original netdev might disappear before br2684ctl has finished appling it's
setting:

 local2.notice br2684ctl[1667]: Interface "nas0" created sucessfully
 local2.notice br2684ctl[1667]: Communicating over ATM 0.8.35, encapsulation: LLC
 kern.info kernel: dsl0: renamed from nas0
 kern.err kernel: br2684:br2684_regvcc: tried to attach to non-existent device
 local2.err br2684ctl[1667]: Could not configure interface:No such device or address

By passing the final used netdev name to br2684ctl_wrap another race
condition workaround will be enabled again.

Change the lantiq ptm driver to create a netdev with the name dsl as well.
Albeit the rename via 'ip link' works fine so far, using a different
approach for ptm then atm could be confusing.

Signed-off-by: Mathias Kresin <dev@kresin.me>
2018-01-10 08:08:53 +01:00
Jo-Philipp Wich
57157618d4 armvirt: re-enable VFP support
Enable CONFIG_VFP again which was disabled during the 4.9 -> 4.14 bump.

Boot tested both 32 and 64 bit subtargets using initramfs images with the
qemu-system-arm and qemu-system-aarch64 emulators.

Fixes: aa100b66f2 ("armvirt: bump to v4.14")
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2018-01-10 00:44:08 +01:00
Jo-Philipp Wich
7226c7850b armvirt: 64: add missing kernel config symbols
Fixes: aa100b66f2 ("armvirt: bump to v4.14")
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2018-01-10 00:44:08 +01:00
Kevin Darbyshire-Bryant
efb375b579 kernel: bump 4.4 to 4.4.110
Refresh patches

Fixes:  CVE-2017-5754 aka Meltdown

Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
[fix typo in commit msg, conflict after 4.14 bump]
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
2018-01-10 00:11:39 +02:00
Kevin Darbyshire-Bryant
1d2590f838 kernel: bump 4.9 to 4.9.75
Refresh patches

Fixes:  CVE-2017-5754 aka Meltdown

Tested-on: ar71xx Archer C7 v2

Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
Tested-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
[fix conflict after 4.14 bump]
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
2018-01-10 00:11:39 +02:00
Mathias Kresin
0674a99f7e kirkwood: sort occurrences of boardame alphabetically
This restores the alphabetical sort that was present
before the renaming of boardname.

Signed-off-by: Mathias Kresin <dev@kresin.me>
2018-01-09 22:06:55 +01:00
Alberto Bursi
c19f811c4d kirkwood: add pogoplug v4
also known as
POGO-V4-A3-02
or
POGO-V4-A3-01

SoC: Marvell 88F6192 800Mhz
SDRAM memory: 128MB
Gigabit ethernet: 1 Marvell 88E1310
Flash memory: 128MB
2 status LEDs (one green one red)
1 "Eject" button on the back (used as "Reset" button)
1 USB 2.0 port (on upper side)
1 sata slot (power + data) for 2.5'' drives (upper side)
2 USB 3.0 ports from a controller on PCIe x1 of the SoC
1 full-size SDcard slot (fits a whole SD card into it)

This device supports the (linux-only) kwboot tool to send
a new uboot over serial console, so it is easy to unbrick
in case the uboot is erased and the device won't boot.

-----
Install instructions:
-----
Since it's not possible to get ssh access to these
devices, the only way to take control is to
solder pins to get TTL serial access.

Case can be opened by removing screws beneath two rubber
feet at back of device, then lifting while prying the
sides of the upper part out to unhook a latch on each
side about 2/3rds of the way toward the front.

Serial connection pins are those labeled "J11", left
of SD as you face SD opening.
Pins are (from left to right, i.e. the first in the list
is the nearest to the SD slot) GND, Rx, Tx.
Do not connect +V pin if you use a USB (self-powered)
TTL-to-USB dongle. Any USB TTL-to-USB converter will work.
Baud rate is 115200, parity "none", databits "8",
flow control "none".

Stock uboot is unable to read ubi partitions (nor usb)
so we will replace it first with our uboot.

Start a TFTP server at IP address 169.254.254.254, and
place the uboot.kwb file in the folder of the server.

Start the serial session and then power up the device.

As soon as you see text on the serial start pressing random
letter keys to stop the boot process.

If you see something like the following line you can proceed:

CE>>

Otherwise if text is still scrolling by you missed the
opportunity, pull the plug and try again.

write

printenv ethaddr

The uboot will write something like this:

ethaddr=00:50:43:00:02:02

This is the device's MAC address, also present in the sticker
under the device.

Write this down as we will need to add it in the
new uboot configuration.

Use the following commands to load the new uboot:

tftp 0x20000 u-boot.kwb

If the uboot confirms that the transfer was successful,
then you can write it to flash with the following commands:

nand erase 0 0x200000
nand write 0x20000 0 0x1c0000

if after the last command the uboot wrote
"xxxx bytes written: OK"
then it was written correctly and we can proceed.

If it did not go well, try again or ask assistence in forums.
Shutting down or rebooting at this time will brick
the device, to unbrick it you will need to use the kwboot
tool from a Linux PC or Virtual Machine.

Now write:

reset

and press enter, the device will reboot and you should see
again text scrolling by.
Press a random key to stop it, and now you should see

pogoplugv4>

We now add the MAC address back, write:

setenv ethaddr '00:50:43:00:02:02'

Confirm that the uboot has understood by writing

printenv ethaddr

If all looks ok, save the setting with

saveenv

At this point the uboot is configured, and we only need to load
the firmware in the flash memory.

Follow the steps below in "Firmware recovery procedure".

----
Firmware recovery procedure
----
The new uboot allows easy recovery from a bad firmware upgrade
where you can't access the device anymore over ssh or luci.

Take a USB flash drive formatted as FAT32, and copy the
initramfs image file in it (it will have "initramfs" in the
file name), then rename it as "initramfs.bin".

Insert the USB drive in the USB 2.0 port of the pogoplug
(the port at the top).

Power up the device, and wait for it to finish booting.

The uboot should find and load the "initramfs.bin"
from usb and if you are connected with serial you should
see the linux kernel boot log (text scrolling by).
Once it is done, press Enter and you will be greeted by
the OpenWRT banner.

If you were not connected with serial just wait a bit and,
you will be able to access it with ssh or luci web interface
(once you find its IP).

The recovery "initramfs" images are run from RAM, so you will
have to do a normal sysupgrade (firmware upgrade) to write
a firmware image to flash memory.

Signed-off-by: Alberto Bursi <alberto.bursi@outlook.it>
2018-01-09 22:06:55 +01:00