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Kirill Molotov a3105d3f95 mediatek: filogic: add support for Globitel BT-R320 
The Globitel BT-R320 (PCB rev V1.2) is an enterprise/ISP Wi-Fi 6 router
based on the MediaTek MT7981B (Filogic 820) platform.

Hardware specifications:
SoC: MediaTek MT7981B (Filogic 820)
RAM: 1GB DDR4 (Nanya NT5AD512M16C4-HR)
Flash: 128GB eMMC (UNIC UNMEN07GC4C31BS)
Switch: MediaTek MT7531AE
Ethernet: 1x 1GbE WAN, 3x 1GbE LAN
Wi-Fi: 2.4 GHz: 2x2 MT7976CN and 5 GHz: 2x2 MT7976CN (integrated FEM)
USB: 1x USB 3.0
LEDs: 2x Green (WLAN 2.4G / 5G)
Buttons: 1x Reset (GPIO 1, ACTIVE_LOW), 1x WPS (GPIO 0, ACTIVE_LOW)
Power: 12V, 1.5A
UART: 115200 8n1

Note on eMMC configuration (Addressing 52MHz limit on 128GB IC):
Debugfs output from the OEM firmware (/sys/kernel/debug/mmc0/ios) confirms
the manufacturer deliberately limits the eMMC to 52MHz High-Speed mode at 3.3V
(actual clock: 52000000 Hz, bus width: 8 bits, timing spec: mmc high-speed).
Therefore, the conservative DTS properties (max-frequency = <52000000> and
lack of HS200/HS400 support) strictly reflect the OEM hardware design.

Installation instructions:
1. SSH into the stock router (192.168.132.1, user: root, pass: password).
2. Back up existing partitions using dd.
3. Upload the OpenWrt-built GPT partition table (*-gpt.bin) and flash it:
   dd if=/tmp/gpt.bin of=/dev/mmcblk0 bs=512 count=34 conv=fsync
   echo -e 'w' | fdisk /dev/mmcblk0
4. Flash the OpenWrt-built U-Boot (*-bl31-uboot.fip) to the FIP partition:
   dd if=/tmp/uboot.fip of=$(blkid -t PARTLABEL=fip -o device) conv=fsync
5. Disconnect power. Connect PC with static IP 192.168.1.2.
6. Hold reset button, power on, and wait 10 seconds to enter U-Boot web UI.
7. Flash the OpenWrt sysupgrade image.

Stock partition layout:
p1: uboot_env
p2: factory
p3: fip
p4: kernel
p5: rootfs
p6: userdata

MAC address layout (factory partition, mmcblk0p2):
WAN: xx:xx:xx:xx:xx:xx (factory offset 0x24)
LAN: xx:xx:xx:xx:xx:xy (factory offset 0x2a)
Label: Matches LAN MAC (0x2a)
2.4G: Base MAC (extracted from factory offset 0x4)
5G: Base MAC with Locally Administered bit set

Signed-off-by: Kirill Molotov <kirill2015molotov@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/23188
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2026-05-25 01:46:25 +02:00
..
apex treewide: package: update missed hashes after switch to ZSTD 2024-04-07 14:56:04 +02:00
arm-trusted-firmware-bcm63xx treewide: remove references for obsolete binutils versions 2026-04-18 19:34:21 +02:00
arm-trusted-firmware-mediatek atf-mediatek: add mt7981 UBI DDR3-1866 build 2026-05-09 15:42:26 +02:00
arm-trusted-firmware-microchipsw boot: arm-trusted-firmware-microchipsw: depend on host Ruby 2026-01-12 18:01:17 +01:00
arm-trusted-firmware-mvebu arm-trusted-firmware-mvebu: bump to 2.14 2026-04-11 12:23:36 +02:00
arm-trusted-firmware-rockchip arm-trusted-firmware-rockchip: bump to 2.14.0 2026-01-15 16:33:26 +02:00
arm-trusted-firmware-stm32 arm-trusted-firmware-stm32: bump to v2.14 2026-02-26 23:34:10 +01:00
arm-trusted-firmware-sunxi arm-trusted-firmware-sunxi: bump to 2.14 2026-02-08 00:56:16 +01:00
arm-trusted-firmware-tools arm-trusted-firmware-tools: update to version 2.12 2025-02-13 03:16:40 +00:00
at91bootstrap at91bootstrap: put at91bootstrap images into image staging directory 2025-04-04 14:39:00 +02:00
fconfig treewide: unify OpenWrt hosted source via @OPENWRT 2021-02-05 12:00:24 -10:00
grub2 treewide: use HTTPS URL for GNU websites 2026-01-02 18:07:02 +01:00
imx-bootlets treewide: use HTTPS for PKG_SOURCE_URL where possible 2026-04-20 11:58:37 +08:00
kexec-tools kexec-tools: add zstd to package dependencies 2026-01-28 23:56:15 +01:00
kobs-ng treewide: use HTTPS for PKG_SOURCE_URL where possible 2026-04-20 11:58:37 +08:00
mt7623n-preloader mt7623n-preloader: remove mt7622-preloader 2021-02-28 04:12:23 +00:00
opensbi opensbi: update tarball hash compressed by the zstd 1.5.7 2025-07-13 16:24:10 +02:00
optee-os-stm32 optee-os-stm32: bump to 4.9.0 2026-02-26 23:34:10 +01:00
rkbin rkbin: pack rk3528 atf/tpl blobs 2025-11-15 19:56:27 +01:00
tfa-layerscape treewide: remove references for obsolete binutils versions 2026-04-18 19:34:21 +02:00
uboot-airoha airoha: increase the size of reserved_bmt partition 2026-05-11 14:43:01 +02:00
uboot-armsr boot: uboot-armsr: update to U-Boot 2025.04 2025-05-22 18:50:24 +02:00
uboot-at91 uboot-at91: fix wrong BUILD_DEVICES for sama5d4_xplained_nandflash 2026-04-20 18:07:56 +02:00
uboot-ath79 uboot-ath79: add FE profile for NEC Aterm series (AR9344) 2025-12-01 00:17:47 +01:00
uboot-bcm53xx uboot-bcm53xx: bump U-Boot to 2025.10 2026-01-06 01:15:46 +01:00
uboot-bcm4908 uboot-bcm4908: fix build with GCC14 2025-05-23 00:10:23 +02:00
uboot-bmips uboot-bmips: drop usage of AUTORELEASE 2025-10-29 21:09:56 +01:00
uboot-d1 uboot-d1: update to 2024.01 2026-01-23 10:35:35 +01:00
uboot-fritz4040 uboot-fritz4040: update to Git HEAD (2026-03-08) 2026-03-14 21:46:31 +01:00
uboot-imx treewide: replace AUTORELEASE with real PKG_RELEASE 2023-05-18 11:35:29 +02:00
uboot-kirkwood kirkwood: add support for D-Link DNS-325 A1 2025-11-25 15:41:38 +01:00
uboot-lantiq uboot-lantiq: fix C-style comments in AWK scripts 2026-03-23 01:23:33 +01:00
uboot-layerscape uboot-layerscape: do not build efimkcapsule tool 2025-08-22 11:24:43 +02:00
uboot-mediatek mediatek: filogic: add support for Globitel BT-R320 2026-05-25 01:46:25 +02:00
uboot-microchipsw uboot-microchipsw: add FIP update flashing shortcut 2026-01-23 11:07:23 +01:00
uboot-mvebu uboot-mvebu: update to version 2026.04 2026-05-15 20:59:47 +02:00
uboot-mxs packages: refresh patches 2024-05-31 11:30:06 +02:00
uboot-omap treewide: replace AUTORELEASE with real PKG_RELEASE 2023-05-18 11:35:29 +02:00
uboot-qoriq package: uboot-qoriq: fix T4240RDB u-boot selection 2026-01-12 13:59:30 +01:00
uboot-rockchip rockchip: add support for FriendlyELEC NanoPi M5 2026-05-14 17:52:56 +02:00
uboot-sifiveu uboot-sifiveu: fix build with swig 4.3.0 2025-10-25 22:33:53 +02:00
uboot-stm32 uboot-stm32: bump to 2026.01 2026-02-26 23:34:10 +01:00
uboot-sunxi sunxi: add T113-S3 support 2026-05-09 11:19:22 +02:00
uboot-tegra uboot-tegra: disable mkeficapsule build 2025-07-13 17:18:15 +02:00
uboot-tools mediatek: filogic: add support for Globitel BT-R320 2026-05-25 01:46:25 +02:00
uboot-zynq packages: refresh patches 2024-05-31 11:30:06 +02:00