ALFA Network R36M-E4G is a dual-SIM, N300 Wi-Fi, compact size platform
based on MediaTek MT7620A WiSoC. This product is designed for operation
with 4G modem (can be bought in bundle with Quectel EC25, EG25 or EP06)
but supports also Wi-Fi modules (miniPCIe slot has USB and PCIe buses).
Specification:
- MT7620A (580 MHz)
- 64/128/256 MB of RAM (DDR2)
- 16/32+ MB of FLASH (SPI NOR)
- 2x 10/100 Mbps Ethernet, with passive PoE support (24 V)
- 2T2R 2.4 GHz (MT7620A), with ext. LNA (RFFM4227)
- 1x miniPCIe slot (with PCIe and USB 2.0 buses and optional 5 V)
- 2x SIM slot (mini, micro) with detect and switch driven by GPIO
- 2x u.fl antenna connectors (for Wi-Fi)
- 8x LED (7 driven by GPIO)
- 2x button (reset, wifi)
- 2x UART (4-pin/2.54 mm pitch, 10-pin/1.27 mm pitch) headers on PCB
- 1x I2C (4-pin, 1.27 mm pitch) header on PCB
- 1x LED (8-pin, 1.27 mm pitch) header on PCB
- 1x DC jack with lock (12 V)
Other:
- there is a dedicated, 4-pin connector for optional RTC module (Holtek
HT138x) with 'enable' input, not available at the time of preparing
support for this board
- miniPCIe slot supports additional 5 V supply on pins 47 and 49 but a
jumper resistor (R174) is not installed by default
- U-Boot selects default SIM slot, based on value of 'default_sim' env
variable: '1' or unset -> SIM1 (mini), '2' -> SIM2 (micro). This will
work only if both slots are occupied, otherwise U-Boot will always
select slot with SIM card inside (user can override it later, in
user-space)
- U-Boot resets the modem, using PERSTn signal, before starting kernel
- this board supports 'dual image' feature (controlled by 'dual_image'
U-Boot environment variable)
Flash instruction:
You can use the 'sysupgrade' image directly in vendor firmware which is
based on OpenWrt (make sure to not preserve settings - use 'sysupgrade
-n -F ...' command). Alternatively, use web recovery mode in U-Boot:
1. Power the device with reset button pressed, the modem LED will start
blinking slowly and after ~3 seconds, when it starts blinking faster,
you can release the button.
2. Setup static IP 192.168.1.2/24 on your PC.
3. Go to 192.168.1.1 in browser and upload 'sysupgrade' image.
Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>
Specifications:
* SoC: MT7620A
* RAM: 64 MB DDR
* Flash: 8MB NOR SPI flash
* WiFi: MT7612E (5Ghz) and builtin MT7620A (2.4GHz)
* LAN: 1x100M
The -factory images can be flashed from the
device's web interface or via nmrpflash.
The device seems to use base PCB as EX3700/EX3800,
but supporting AC1200 using MT7612E.
MAC adresses:
5.0 GHz 0x8004 *:9a
2.4 GHz 0x4 *:9b
lan 0x28 *:9b
wan 0x2e *:9c
Since this is a one-port device, although wan MAC address is
set in flash, it is not used in OpenWrt setup.
Signed-off-by: Frederik Noe-Sdun <Frederik.Sdun@googlemail.com>
[rebased, extended commit message, tiny DTS style fixes]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
This commit adds support for the ZBT WE1026-H, an outdoor AP with
support for adding an internal LTE modem. The detailed specs are:
* CPU: MT7620A
* 2x 10/100Mbps Ethernet (LAN port has passive PoE support).
* 16/32 MB Flash.
* 128/256 MB RAM.
* 1x USB 2.0 port.
* 1x mini-PCIe slot (only USB2.0 bus).
* 1x SIM slot (standard size).
* 1x 2.4Ghz WIFI (rt2800).
* 1x button.
* 6x LEDS (4 GPIO-controlled).
* 1x micro-SD reader.
The following have been tested and working:
- Ethernet switch
- Wifi
- Mini-PCIe slot + SIM slot
- USB port
- microSD slot
- sysupgrade
- reset button
Installation and recovery:
In order to install OpenWRT the first time or ito recover the router,
you can use the web-based recovery system. Keep the reset button pressed
during boot and access 192.168.1.1 in your browser when your machine
obtains an IP address. Upload the firmware to start the recovery
process.
Notes:
* When binding the USB LED to a usbport, the LED is switched on all the
time due to the presence of an internal hub. Thus, it does not really
signal any USB-information.
* I only have the 32MB version and have only added support for this
device. However, the files are structured so that adding support for the
16MB version should be easy.
* Only the LAN port is accessible from the outside of the casing and LEDs
are not visible.
Signed-off-by: Kristian Evensen <kristian.evensen@gmail.com>
[rebased onto base-files split, minor style fixes, removed use of
USB led as power LED]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
While most of the target's contents are split into subtargets, the
base-files are maintained for the target as a whole.
However, OpenWrt already implements a mechanism that will use (and
even prefer) files in the subtargets' directories. This can be
exploited to make several scripts subtarget-specific and thus save
some space.
In certain cases, keeping files in parent (=target) base-files was
more convenient, and thus no splitting was performed for those.
Note that this will increase overall code lines, but reduce code
per subtarget.
base-files ipk size reduction:
master (mt7621) 60958 B
split (mt7620) 46358 B (- 14.3 kiB)
split (mt7621) 48759 B (- 11.9 kiB)
split (mt76x8) 44948 B (- 15.6 kiB)
split (rt288x) 43508 B (- 17.0 kiB)
split (rt305x) 45616 B (- 15.0 kiB)
split (rt3883) 44176 B (- 16.4 kiB)
Run-tested on:
GL.iNet GL-MT300N-V2 (mt76x8)
D-Link DWR-116 (mt7620)
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
