[PATCH v2] ath79: add support for Ubiquiti PowerBeam M (XW)

Vincent Wiemann vincent.wiemann at ironai.com
Sun May 23 05:20:10 PDT 2021


Just as a side-note:
There are 5 different versions of the PowerBeam with different
device IDs...

Source:
https://github.com/freifunk-gluon/gluon/issues/94#issuecomment-510831878
		-- PowerBeam M5
		-- ERP 26 dBm according to datasheet
		'e3e5' = { -- PBE-M5-300
			pa_gain = 4
			ant_gain = 22
		},
		'e4e5' = { -- PBE-M5-400
			pa_gain = 4
			ant_gain = 25
		},
		'e6e5' = { -- PBE-M5-400 ISO!!
			pa_gain = 4
			ant_gain = 25
		},
		'e885' = { -- PBE-M5-620
			pa_gain = 4
			ant_gain = 29
		},

		-- Powerbeam M2 400?
		-- ERP 28 dBm according to datasheet
		'e6c2' = { -- PBE-M2-400
			pa_gain = 6
			ant_gain = 18 dBi
		},

While I think there shouldn't be different DTS files for them, there is
a script missing that respects the antenna and external PA gain of these
devices.

Best,

Vincent



On 5/23/21 1:59 PM, Russell Senior wrote:
> This patch adds support for the Ubiquiti PowerBeam M (XW), e.g. PBE-M5-400,
> a 802.11n wireless with a feed+dish form factor. This device was previously
> supported by the ar71xx loco-m-xw firmware.
> 
> Specifications:
>   - Atheros AR9342 SoC
>   - 64 MB RAM
>   - 8 MB SPI flash
>   - 1x 10/100 Mbps Ethernet port, 24 Vdc PoE-in
>   - Power and LAN green LEDs
>   - 4x RSSI LEDs (red, orange, green, green)
>   - UART (115200 8N1)
> 
> Flashing via stock GUI:
>   - WARNING: flashing OpenWrt from AirOS v5.6 or newer will brick your
>     device! Read the wiki for more info.
>   - Downgrade to AirOS v5.5.x (latest available is 5.5.10-u2) first.
>   - Upload the factory image via AirOS web GUI.
> 
> Flashing via TFTP:
>   - WARNING: flashing OpenWrt from AirOS v5.6 or newer will brick your
>     device! Read the wiki for more info.
>   - Downgrade to AirOS v5.5.x (latest available is 5.5.10-u2) first.
>   - Use a pointy tool (e.g., unbent paperclip) to keep the
>     reset button pressed.
>   - Power on the device (keep reset button pressed).
>   - Keep pressing until LEDs flash alternatively LED1+LED3 =>
>     LED2+LED4 => LED1+LED3, etc.
>   - Release reset button.
>   - The device starts a TFTP server at 192.168.1.20.
>   - Set a static IP on the computer (e.g., 192.168.1.21/24).
>   - Upload via tftp the factory image:
>      $ tftp 192.168.1.20
>      tftp> bin
>      tftp> trace
>      tftp> put openwrt-ath79-generic-xxxxx-ubnt_powerbeam-m-xw-squashfs-factory.bin
> 
> WARNING: so far, no non-destructive method has been discovered for
> opening the enclosure to reach the serial console. Internal photos
> are available here: https://fcc.io/SWX-NBM5HP
> 
> Changes since v1:
>   * renamed from ubnt,powerbeam-m to ubnt,powerbeam-m-xw
> 
> Signed-off-by: Russell Senior <russell at personaltelco.net>
> ---
>   .../ath79/dts/ar9342_ubnt_powerbeam-m-xw.dts  | 36 +++++++++++++++++++
>   .../generic/base-files/etc/board.d/01_leds    |  1 +
>   .../generic/base-files/etc/board.d/02_network |  1 +
>   target/linux/ath79/image/generic-ubnt.mk      |  8 +++++
>   4 files changed, 46 insertions(+)
>   create mode 100644 target/linux/ath79/dts/ar9342_ubnt_powerbeam-m-xw.dts
> 
> diff --git a/target/linux/ath79/dts/ar9342_ubnt_powerbeam-m-xw.dts b/target/linux/ath79/dts/ar9342_ubnt_powerbeam-m-xw.dts
> new file mode 100644
> index 0000000000..edcb06acef
> --- /dev/null
> +++ b/target/linux/ath79/dts/ar9342_ubnt_powerbeam-m-xw.dts
> @@ -0,0 +1,36 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> +
> +#include "ar9342_ubnt_xw.dtsi"
> +
> +/ {
> +	compatible = "ubnt,powerbeam-m-xw", "ubnt,xw", "qca,ar9342";
> +	model = "Ubiquiti PowerBeam M (XW)";
> +};
> +
> +&mdio0 {
> +	status = "okay";
> +
> +	phy-mask = <4>;
> +
> +	phy4: ethernet-phy at 4 {
> +		reg = <4>;
> +	};
> +};
> +
> +&eth0 {
> +	status = "okay";
> +
> +	/* default for ar934x, except for 1000M and 10M */
> +	pll-data = <0x02000000 0x00000101 0x00001313>;
> +
> +	mtd-mac-address = <&art 0x0>;
> +
> +	phy-mode = "rgmii-id";
> +	phy-handle = <&phy4>;
> +
> +	gmac-config {
> +		device = <&gmac>;
> +		rxd-delay = <3>;
> +		rxdv-delay = <3>;
> +	};
> +};
> diff --git a/target/linux/ath79/generic/base-files/etc/board.d/01_leds b/target/linux/ath79/generic/base-files/etc/board.d/01_leds
> index 1990353394..35ce90aeb4 100644
> --- a/target/linux/ath79/generic/base-files/etc/board.d/01_leds
> +++ b/target/linux/ath79/generic/base-files/etc/board.d/01_leds
> @@ -383,6 +383,7 @@ ubnt,nanostation-loco-m-xw|\
>   ubnt,nanostation-m|\
>   ubnt,nanostation-m-xw|\
>   ubnt,picostation-m|\
> +ubnt,powerbeam-m-xw|\
>   ubnt,powerbridge-m|\
>   ubnt,rocket-m)
>   	ucidef_set_rssimon "wlan0" "200000" "1"
> diff --git a/target/linux/ath79/generic/base-files/etc/board.d/02_network b/target/linux/ath79/generic/base-files/etc/board.d/02_network
> index 4133b9d7d3..6e31cdac69 100644
> --- a/target/linux/ath79/generic/base-files/etc/board.d/02_network
> +++ b/target/linux/ath79/generic/base-files/etc/board.d/02_network
> @@ -85,6 +85,7 @@ ath79_setup_interfaces()
>   	ubnt,picostation-m|\
>   	ubnt,powerbeam-5ac-500|\
>   	ubnt,powerbeam-5ac-gen2|\
> +	ubnt,powerbeam-m-xw|\
>   	ubnt,powerbridge-m|\
>   	ubnt,rocket-m|\
>   	ubnt,unifiac-lite|\
> diff --git a/target/linux/ath79/image/generic-ubnt.mk b/target/linux/ath79/image/generic-ubnt.mk
> index 733d803d7a..5948e059e8 100644
> --- a/target/linux/ath79/image/generic-ubnt.mk
> +++ b/target/linux/ath79/image/generic-ubnt.mk
> @@ -328,6 +328,14 @@ define Device/ubnt_powerbeam-5ac-gen2
>   endef
>   TARGET_DEVICES += ubnt_powerbeam-5ac-gen2
>   
> +define Device/ubnt_powerbeam-m-xw
> +  $(Device/ubnt-xw)
> +  DEVICE_MODEL := PowerBeam M
> +  DEVICE_PACKAGES += rssileds
> +  SUPPORTED_DEVICES += loco-m-xw
> +endef
> +TARGET_DEVICES += ubnt_powerbeam-m-xw
> +
>   define Device/ubnt_powerbridge-m
>     $(Device/ubnt-xm)
>     SOC := ar7241
> 

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  _o)           Follow the penguin!
  //\     Vincent Wiemann <vw at derowe.com>
  V_/_            +49-511-582974
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