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mediatek: filogic: add support for Cudy M3000 v1

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Hardware:
  SoC:     MT7981b
  RAM:     256 MB
  Flash:   128 MB SPI NAND
  Ethernet:
    1x 2.5Gbps (rtl8221b)
    1x 1Gbps (integrated phy)
  WiFi:    2x2 MT7981
  Buttons: Reset, WPS
  LED:     1x multicolor

Solder on UART:
  - remove rubber ring on the bottom
  - remove screws
  - pull up the cylinder, maybe help by push on an ethernet socket with a screwdriver
  - remove the (3) screws holding the board in the frame
  - remove the board from the frame to get to the screws for the silver, flat heat shield
  - remove the (3) screws holding the heat shield
  - solder UART pins to the back of the board
    - make sure to have the pins point out on side with the black, finned heat spread
    - the markings for the pins are going to be below the silver heat shield
    - Vcc is not needed

If you don't intend on using the UART outside of the installation process, you might not
want to solder:

  - carefully scrape off the thin layer of epoxy on the holes (not the copper)
  - place your pin header with the UART attached in the holes
  - the pins, starting with the one closest to the socket:
    - Vcc (not required)
    - GND
    - RX
    - TX
  - either wedge the header or hold it with your fingers so that the pins stay in contact with the board

Installation (UART):
  - attach an Ethernet cable to the 1Gbps port (black) on the router
  - hold the reset button while powering the router
  - press CTRL-C or wait for the timeout to get to the U-Boot prompt
  - prepare a TFTP server on the network to supply ..-initramfs-kernel.bin
  - use 'tftpboot' in the U-Boot shell to pull the image
  - boot the image using 'bootm'
  - push the ..-sysupgrade to the router using your preferred method
  - perform the upgrade with 'sysupgrade -n'

There is a recovery mechanism that involves fetching a file called 'recovery.bin' but that is not understood yet.

Signed-off-by: Leon M. Busch-George <leon@georgemail.eu>
(cherry picked from commit 20e4a18feb)
This commit is contained in:
Leon M. Busch-George
2024-01-12 16:10:40 +01:00
committed by Rafał Miłecki
parent a0645675d4
commit 74df6ce9db
5 changed files with 242 additions and 0 deletions
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22
target/linux/mediatek/image/filogic.mk
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@@ -360,6 +360,28 @@ define Device/confiabits_mt7981
endef
TARGET_DEVICES += confiabits_mt7981
define Device/cudy_m3000-v1
DEVICE_VENDOR := Cudy
DEVICE_MODEL := M3000
DEVICE_VARIANT := v1
DEVICE_DTS := mt7981b-cudy-m3000-v1
DEVICE_DTS_DIR := ../dts
SUPPORTED_DEVICES += R37
DEVICE_DTS_LOADADDR := 0x44000000
BLOCKSIZE := 128k
PAGESIZE := 2048
IMAGE_SIZE := 65536k
KERNEL_IN_UBI := 1
KERNEL := kernel-bin | lzma | \
fit lzma $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb
KERNEL_INITRAMFS := kernel-bin | lzma | \
fit lzma $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb with-initrd | pad-to 64k
IMAGES := sysupgrade.bin
IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
DEVICE_PACKAGES := kmod-mt7981-firmware mt7981-wo-firmware
endef
TARGET_DEVICES += cudy_m3000-v1
define Device/cudy_re3000-v1
DEVICE_VENDOR := Cudy
DEVICE_MODEL := RE3000