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mediatek: add ABT ASR3000 support

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Hardware specification:
  SoC: MediaTek MT7981B 2x A53
  Flash: 128 MB SPI-NAND
  RAM: 256MB
  Ethernet: 4x 10/100/1000 Mbps
  Switch: MediaTek MT7531AE
  WiFi: MediaTek MT7976C
  Button: Reset, Mesh
  Power: DC 12V 1A

Gain telnet access:
1. Login into web interface, and download the configuration.
2. Decode and uncompress the configuration:
     * Enter fakeroot if you are not login as root.
   base64 -d e-xxxxxxxxxxxx-cfg.tar.gz | tar -zx
3. Edit 'etc/passwd', remove root password: 'root::1:0:99999:7:::'.
4. Edit 'etc/rc.local', insert telnetd command before 'exit 0':
   ( sleep 3s; /usr/sbin/telnetd; ) &
5. Repack the configuration:
   tar -zc etc/ | base64 > e-xxxxxxxxxxxx-cfg.tar.gz
6. Upload new configuration via web interface, now you can connect to
   ASR3000 via telnet.

Flash instructions:
1. Connect to ASR3000, backup everything, especially 'Factory' part.
2. Write new BL2:
   mtd write openwrt-mediatek-filogic-abt_asr3000-preloader.bin BL2
3. Write new FIP:
   mtd write openwrt-mediatek-filogic-abt_asr3000-bl31-uboot.fip FIP
4. Set static IP on your PC:
   IP 192.168.1.254/24, GW 192.168.1.1
5. Serve OpenWrt initramfs image using TFTP server.
6. Cut off the power and re-engage, wait for TFTP recovery to complete.
7. After OpenWrt has booted, perform sysupgrade.

Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
Link: https://github.com/openwrt/openwrt/pull/15887
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Tianling Shen
2024-07-06 15:30:31 +08:00
committed by Hauke Mehrtens
parent 93ead910dc
commit f2f428c699
9 changed files with 709 additions and 35 deletions
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24
target/linux/mediatek/image/filogic.mk
View File

@@ -105,6 +105,30 @@ define Build/cetron-header
rm $@.tmp
endef
define Device/abt_asr3000
DEVICE_VENDOR := ABT
DEVICE_MODEL := ASR3000
DEVICE_DTS := mt7981b-abt-asr3000
DEVICE_DTS_DIR := ../dts
DEVICE_PACKAGES := kmod-mt7915e kmod-mt7981-firmware mt7981-wo-firmware
UBINIZE_OPTS := -E 5
BLOCKSIZE := 128k
PAGESIZE := 2048
KERNEL_IN_UBI := 1
UBOOTENV_IN_UBI := 1
IMAGES := sysupgrade.itb
KERNEL_INITRAMFS_SUFFIX := -recovery.itb
KERNEL := kernel-bin | gzip
KERNEL_INITRAMFS := kernel-bin | lzma | \
fit lzma $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb with-initrd | pad-to 64k
IMAGE/sysupgrade.itb := append-kernel | \
fit gzip $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb external-static-with-rootfs | append-metadata
ARTIFACTS := preloader.bin bl31-uboot.fip
ARTIFACT/preloader.bin := mt7981-bl2 spim-nand-ddr3
ARTIFACT/bl31-uboot.fip := mt7981-bl31-uboot abt_asr3000
endef
TARGET_DEVICES += abt_asr3000
define Device/acelink_ew-7886cax
DEVICE_VENDOR := Acelink
DEVICE_MODEL := EW-7886CAX