Russell Ballestrini 21d9bd899b bcm53xx: add support for Netgear R6400 v1
Hardware:
- SoC: Broadcom BCM4708A0, 2x Cortex-A9 at 800 MHz
- RAM: 256 MiB
- Flash: 128 MiB NAND (BCH-8)
- Ethernet: 4x LAN + 1x WAN, gigabit (switch port 0 = WAN, 1-4 = LAN)
- Wi-Fi: BCM4331 2.4 GHz (b43), BCM4360 5 GHz
- USB: 1x USB 3.0, 1x USB 2.0
- LEDs: power (white/amber), WAN (white/amber), 2.4 GHz, 5 GHz, WPS,
  WiFi, USB 1, USB 2
- Buttons: WPS, WiFi (rfkill), Reset
- Serial: 115200 8N1 on the SoC UART (ttyS0); the on-board header was
  not used for this port, netconsole served as the console
- Power: 12 V DC, 2.5 A (barrel jack, included adapter)
- Board ID: U12H332T00_NETGEAR

MAC addresses (NVRAM):
- LAN:     et0macaddr
- WAN:     et1macaddr
- 2.4 GHz: pci/1/1/macaddr
- 5 GHz:   pci/2/1/macaddr

The LED and button GPIOs were mapped by driving each line by hand on a
unit (egc112, GitHub review of the pull request). All LEDs are active
low except the WPS and WiFi button LEDs, which are active high as on the
R7000. The LEDs use the color/function bindings (white:power,
amber:power, white:wan, amber:wan, white:wlan-2ghz, white:wlan-5ghz,
white:wps, white:wlan, white:usb-1, white:usb-2); diag.sh, with the
preceding commit, picks white:power as the status LED, so boot goes
amber (bootloader), blinking white (preinit), solid white. egc112
re-tested the LEDs, buttons, board check and USB on a v1 and a v2. The
2.4 GHz LED is driven as a netdev trigger on phy0-ap0: b43 has no
phy0tpt trigger and the phy0radio/assoc/tx/rx ones stay dark in AP mode.
sysupgrade accepts only a CHK image with this board ID. The USB VBUS
regulator is left off at registration, as on the sibling boards, so VBUS
is power-cycled after CFE.

Not yet supported: 5 GHz Wi-Fi (the BCM4360 AC-PHY needs the b43
AC-PHY series, a separate pull request).

Installation from stock firmware:
1. Connect a computer to a LAN port and open http://192.168.1.1
   (factory login admin / password).
2. ADVANCED > Administration > Router Update, select the factory
   image (openwrt-bcm53xx-generic-netgear_r6400-v1-squashfs.chk), Upload.
3. Wait for the router to restart into OpenWrt.

Recovery: Netgear's bootloader accepts a firmware image over TFTP/NMRP
(e.g. nmrpflash) when the image does not boot.

Signed-off-by: Russell Ballestrini <russell@unturf.com>
Link: https://github.com/openwrt/openwrt/pull/25786
Signed-off-by: Jonas Jelonek <jonas@jonasjelonek.de>
2026-10-15 22:14:09 +02:00
2024-05-17 22:03:06 +03:00
2021-02-05 14:54:47 +01:00

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