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* ramips: add support for Sercomm CPJ routersMikhail Zhilkin2023-11-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit adds support for following wireless routers: - Rostelecom RT-FL-1 (Serсomm RT-FL-1) - Rostelecom S1010 (Serсomm S1010.RT) The devices are almost identical and the only difference is one bit in the factory image PID (thanks to Maximilian Weinmann <x1@disroot.org> (@MaxS0niX) for the info and idea to make one PR for two devices at once). Devices specification --------------------- SoC: MediaTek MT7620A, MIPS RAM: 64 MB Flash: 16 MB SPI NOR Wireless 2.4: MT7620 (b/g/n, 2x2) Wireless 5: MT7612EN (a/n/ac, 2x2) Ethernet: 5xFE (WAN, LAN1-4) BootLoader: U-Boot Buttons: 2 (wps, reset) LEDs: 1 amber and 1 green status GPIO leds 5 green ethernet GPIO leds 1 green GPIO 2.4 GHz WLAN led 1 green PHY 5 GHz WLAN led 1 green unmanaged power led USB ports: No Power: 12 VDC, 1 A Connector: Barrel OEM easy installation --------------------- 1. Remove all dots from the factory image filename (except the dot before file extension) 2. Upload and update the firmware via the original web interface 3. Wait until green status led stops blinking (can take several minutes) 4. Login to OpenWrt initramsfs. It's recommended to make a backup of the mtd partitions at this point. 4. Perform sysupgrade using the following command (or use Luci): sysupgrade -n sysupgrade.bin 5. Wait until green status les stops blinking (can take several minutes) 6. Mission acomplished Return to Stock --------------- Option 1. Restore firmware Slot1 from a backup (firmware2.bin): cd /tmp mtd -e Firmware2 write firmware2.bin Firmware2 printf 1 | dd bs=1 seek=$((0x18007)) count=1 of=/dev/mtdblock2 reboot Option 2. Decrypt, ungzip and split stock firmware image into the parts, take Slot1 parts (kernel2.bin, rootfs2.bin) and write them: cd /tmp mtd -e Kernel2 write kernel2.bin Kernel2 mtd -e RootFS2 write rootfs2.bin RootFS2 printf 1 | dd bs=1 seek=$((0x18007)) count=1 of=/dev/mtdblock2 reboot More about stock firmware decryption: Link: https://github.com/Psychotropos/sercomm_fwutils/ Debricking ---------- Use sercomm-recovery tool. You can use "ALL" mtd partition backup as a recovery image. Link: https://github.com/danitool/sercomm-recovery MAC addresses ------------- +---------+-------------------+-----------+ | | MAC | Algorithm | +---------+-------------------+-----------+ | label | 48:3e:xx:xx:xx:1e | label | | LAN | 48:3e:xx:xx:xx:1e | label | | WAN | 48:3e:xx:xx:xx:28 | label+10 | | WLAN 2g | 48:3e:xx:xx:xx:20 | label+2 | | WLAN 5g | 48:3e:xx:xx:xx:24 | label+6 | +---------+-------------------+-----------+ Co-authored-by: Vadzim Vabishchevich <bestmc2009@gmail.com> Signed-off-by: Mikhail Zhilkin <csharper2005@gmail.com>
* ramips: add support for ALFA Network R36M-E4GPiotr Dymacz2019-11-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* ramips: support dual image feature on ALFA Network boardsPiotr Dymacz2019-11-13
| | | | | | | | | | | | | | | | | | | | | | | | | New U-Boot version for MediaTek MT76x8/MT762x based ALFA Network boards includes support for a 'dual image' feature. Users can enable it using U-Boot environment variable 'dual_image' ('1' -> enabled). When 'dual image' feature is enabled, U-Boot will modify DTB and divide the original 'firmware' flash area into two, equal in size and aligned to 64 KB partitions: 'firmware' and 'backup'. U-Boot will also adjust size of 'firmware' area to match installed flash chip size. U-Boot will load kernel from active partition which is marked with env variable 'bootactive' ('1' -> first partition, '2' -> second partition) and rename both partitions accordingly ('firmware' <-> 'backup'). There are 3 additional env variables used to control 'dual image' mode: - bootlimit - maximum number of unsuccessful boot tries (default: '3') - bootcount - current number of boot tries - bootchanged - flag which informs that active partition was changed; if it is set and 'bootcount' reaches 'bootlimit' value, U-Boot will start web-based recovery which then updates both partitions with provided image Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>
* ramips: split base-files into subtargetsAdrian Schmutzler2019-11-03
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>
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