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Anton Yu. Ivanusev 7aecbefb52 ramips: mt76x8: add support for Keenetic 4G (KN-1212)
Specification:
SoC: MediaTek MT7628NN
RAM: 128 MB, EtronTech EM68C16CWQG-25H (DDR2)
Flash: 32MB, Winbond 25Q256JVFQ (Dual Boot, SPI)
Switch: MediaTek MT7628AN, 4 ports 100 Mbps
WiFi: MediaTek MT7603 2T2R/2.4GHz 802.11n
GPIO: 3 buttons (Wi-Fi, Reset, FN), 3 LEDs (Power, Internet, Wi-Fi), 1 port USB 2.0

Disassembly:
At the bottom, under the LEDs, there are 2 screws hidden by rubber feet. After removing the screws, pry the gray plastic part around (it is secured with latches) and remove it.

Serial Interface:
The serial interface can be connected to the 5 pin dots located on the right between the operating mode switch and the antenna.
Pins (from antenna to operating mode switch):
VCC
TX
RX
NC
GND
Settings: 115200, 8N1

Flashing via OEM recovery software:
1. Download the OEM recovery software from the manufacturer's website
2. Download the firmware image (for OpenWRT it is *-squashfs-factory.bin), rename it to KN-1212_recovery.bin
3. Replace the file in the fw folder OEM recovery software with the file from step 2.
4. Run the OEM recovery software and follow the instructions.

Flashing via TFTP:
1. Connect your PC and router to port 1-3, configure PC interface using IP 192.168.1.2, mask 255.255.255.252
2. Serve the firmware image (for OpenWRT it is *-squashfs-factory.bin) renamed to KN-1212_recovery.bin via TFTP
3. Power up the router while pressing Reset button on the back
4. Release Restart button when Power LED starts blinking

To revert back to OEM firmware:
The return to the OEM firmware is carried out by using the methods described above with the help of the appropriate firmware image.

When using OEM bootloader, the firmware image size cannot exceed the size of one OEM «Firmware_x» partition or Kernel + rootFS size.

Signed-off-by: Anton Yu. Ivanusev <ivanusevanton@yandex.ru>
Link: https://github.com/openwrt/openwrt/pull/19157
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2025-06-22 23:13:27 +02:00
..
airoha kernel: bump 6.6 to 6.6.89 2025-05-03 19:57:53 +02:00
apm821xx apm821xx: replace kmod-usb3 with kmod-usb-xhci-pci-renesas 2025-05-17 20:14:27 +02:00
armsr kernel: bump 6.6 to 6.6.93 2025-06-06 10:01:31 +02:00
at91 treewide: strip trailing whitespace 2025-05-20 00:47:37 +02:00
ath79 ath79: enable USB by default on hAP ac 2025-06-19 20:42:02 +02:00
bcm27xx kernel: bump 6.12 to 6.12.34 2025-06-21 13:50:11 +02:00
bcm47xx treewide: strip trailing whitespace 2025-05-20 00:47:37 +02:00
bcm53xx kernel: bump 6.6 to 6.6.90 2025-05-13 21:43:34 +02:00
bcm4908 bcm63xx-cfe: install into image staging dir 2025-04-13 10:44:19 +02:00
bmips bmips: update BCM531x5 RGMII delays patch 2025-06-18 11:12:00 +02:00
d1 kernel: remove duplicate PREEMPT settings 2025-06-08 15:59:55 +02:00
gemini gemini: Move back to using statically compiled PHYs 2025-06-03 23:05:15 +02:00
generic kernel: Fix IPv6 UDP fragmentation regression 2025-06-22 13:32:51 +02:00
imx kernel: Refresh kernel configs 2025-06-22 11:28:09 +02:00
ipq40xx ipq40xx: config-6.6: add new option 2025-06-06 10:01:31 +02:00
ipq806x ipq806x: fix Extreme Networks AP3935 LAN/WAN ports 2025-06-11 18:42:54 +02:00
ixp4xx ixp4xx: Switch to kernel v6.12 2025-06-03 01:45:40 +02:00
kirkwood treewide: dts: trim "#size-cells" from "gpio-export" node 2025-05-18 19:35:00 +02:00
lantiq treewide: strip trailing whitespace 2025-05-20 00:47:37 +02:00
layerscape kernel: bump 6.6 to 6.6.88 2025-05-03 19:57:53 +02:00
loongarch64 kernel: Add KERNEL_DCB (Data Center Bridging) 2025-03-09 17:05:26 +01:00
malta malta: 6.12: enable kernel for testing 2025-05-29 22:46:47 +02:00
mediatek mediatek: Ruijie RG-X60 Pro: Fix LAN port status light 2025-06-22 19:58:29 +02:00
mpc85xx mpc85xx: fix function name 2025-06-11 18:39:55 +02:00
mvebu mvebu: add support for Check Point V-81 2025-06-22 22:17:20 +02:00
mxs mxs: drop 6.6 support 2025-05-24 16:15:53 +02:00
octeon kernel: reorder kernel symbol configs 2025-05-29 23:05:02 +02:00
omap kernel: Activate CONFIG_NET_SWITCHDEV in generic config 2025-03-15 13:54:59 +01:00
pistachio kernel: remove duplicate PREEMPT settings 2025-06-08 15:59:55 +02:00
qoriq kernel: Activate CONFIG_NET_SWITCHDEV in generic config 2025-03-15 13:54:59 +01:00
qualcommax qualcommax: enable CONFIG_THERMAL and CONFIG_THERMAL_HWMON 2025-06-22 09:51:01 +02:00
qualcommbe qualcommbe: enable CONFIG_THERMAL and CONFIG_THERMAL_HWMON 2025-06-22 09:51:01 +02:00
ramips ramips: mt76x8: add support for Keenetic 4G (KN-1212) 2025-06-22 23:13:27 +02:00
realtek realtek: Use Otto timer on RTL931x 2025-06-22 23:12:02 +02:00
rockchip rockchip: add kernel 6.12 as testing kernel 2025-06-14 17:22:52 +02:00
sifiveu kernel: remove duplicate PREEMPT settings 2025-06-08 15:59:55 +02:00
siflower kernel: bump 6.6 to 6.6.94 2025-06-21 13:54:17 +02:00
starfive kernel: bump 6.12 to 6.12.34 2025-06-21 13:50:11 +02:00
stm32 stm32: modules: add missing dependency for stm32-dfsdm-adc 2025-06-21 14:28:42 +02:00
sunxi generic: 6.12: backport accepted BCM5325 patches 2025-06-18 11:11:54 +02:00
tegra kernel: filter out compiler opts from config 2024-11-17 14:55:16 +01:00
uml kernel: bump 6.12 to 6.12.33 2025-06-12 12:42:15 +02:00
x86 x86: config-6.12: enable RAPL interface 2025-06-22 20:10:12 +02:00
zynq kernel: filter out compiler opts from config 2024-11-17 14:55:16 +01:00
Makefile linux: fix missing default packages in profiles.json 2024-11-17 19:29:06 +01:00