ramips: add support for Ubiquiti USW-Flex

Hardware
--------
MediaTek MT7621AT
16M SPI-NOR Macronix MX25L12835FMI
Microchip PD69104B1 4-Channel PoE-PSE controller
TI TPS2373 PoE-PD controller

PoE-Controller
--------------

By default, the PoE outputs do not work with OpenWrt. To make them output
power, install the "poemgr" package from the packages feed.
This package can control the PD69104B1 PSE controller.

Installation
------------

1. Connect to the booted device at 192.168.1.20 using username/password
   "ubnt" via SSH.

2. Add the uboot-envtools configuration file /etc/fw_env.config with the
   following content

   $ echo "/dev/mtd1 0x0 0x1000 0x10000 1" > /etc/fw_env.config

3. Update the bootloader environment.

   $ fw_setenv boot_openwrt "fdt addr \$(fdtcontroladdr);
     fdt rm /signature; bootubnt"
   $ fw_setenv bootcmd "run boot_openwrt"

4. Transfer the OpenWrt sysupgrade image to the device using SCP.

5. Check the mtd partition number for bs / kernel0 / kernel1

   $ cat /proc/mtd

6. Set the bootselect flag to boot from kernel0

   $ dd if=/dev/zero bs=1 count=1 of=/dev/mtdblock4

7. Write the OpenWrt sysupgrade image to both kernel0 as well as kernel1

   $ dd if=openwrt.bin of=/dev/mtdblock6
   $ dd if=openwrt.bin of=/dev/mtdblock7

8. Reboot the device. It should boot into OpenWrt.

Restore to UniFi
----------------

To restore the vendor firmware, follow the Ubiquiti UniFi TFTP
recovery guide for access points. The process is the same for
the Flex switch.

Signed-off-by: David Bauer <mail@david-bauer.net>

diff --git a/target/linux/ramips/dts/mt7621_ubnt_usw-flex.dts b/target/linux/ramips/dts/mt7621_ubnt_usw-flex.dts
new file mode 100644 (file)
index 0000000..de5491b
--- /dev/null
+++ b/target/linux/ramips/dts/mt7621_ubnt_usw-flex.dts
@@ -0,0 +1,172 @@
+#include "mt7621.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+       model = "Ubiquiti UniFi Switch Flex";
+       compatible = "ubnt,usw-flex", "mediatek,mt7621-soc";
+
+       aliases {
+               led-boot = &led_white;
+               led-failsafe = &led_white;
+               led-running = &led_blue;
+               led-upgrade = &led_blue;
+               label-mac-device = &gmac0;
+       };
+
+       chosen {
+               bootargs-override = "console=ttyS0,115200";
+       };
+
+       keys {
+               compatible = "gpio-keys";
+
+               reset {
+                       label = "reset";
+                       gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
+                       linux,code = <KEY_RESTART>;
+               };
+       };
+
+       leds {
+               compatible = "gpio-leds";
+
+               led_blue: status_blue {
+                       label = "blue:status";
+                       gpios = <&gpio 13 GPIO_ACTIVE_HIGH>;
+               };
+
+               led_white: status_white {
+                       label = "white:status";
+                       gpios = <&gpio 16 GPIO_ACTIVE_HIGH>;
+               };
+       };
+
+       i2c-gpio {
+               compatible = "i2c-gpio";
+
+               sda-gpios = <&gpio 3 GPIO_ACTIVE_HIGH>;
+               scl-gpios = <&gpio 4 GPIO_ACTIVE_HIGH>;
+
+               i2c-gpio,delay-us = <50>;
+
+               /* Microsemi PD69104B1 PSE controller */
+       };
+};
+
+&gmac0 {
+       nvmem-cells = <&macaddr_eeprom>;
+       nvmem-cell-names = "mac-address";
+       label = "dsa";
+};
+
+&switch0 {
+       ports {
+               port@0 {
+                       status = "okay";
+                       label = "lan1";
+               };
+
+               port@1 {
+                       status = "okay";
+                       label = "lan2";
+               };
+
+               port@2 {
+                       status = "okay";
+                       label = "lan3";
+               };
+
+               port@3 {
+                       status = "okay";
+                       label = "lan4";
+               };
+
+               port@4 {
+                       status = "okay";
+                       label = "lan5";
+               };
+       };
+};
+
+&state_default {
+       gpio {
+               groups = "i2c", "uart2", "uart3", "jtag";
+               function = "gpio";
+       };
+};
+
+&spi0 {
+       status = "okay";
+
+       flash@0 {
+               compatible = "jedec,spi-nor";
+               reg = <0>;
+               spi-max-frequency = <30000000>;
+
+               partitions {
+                       compatible = "fixed-partitions";
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       partition@0 {
+                               label = "u-boot";
+                               reg = <0x0 0x60000>;
+                               read-only;
+                       };
+
+                       partition@60000 {
+                               label = "u-boot-env";
+                               reg = <0x60000 0x10000>;
+                       };
+
+                       partition@70000 {
+                               label = "factory";
+                               reg = <0x70000 0x10000>;
+                               read-only;
+                       };
+
+                       part_eeprom: partition@80000 {
+                               compatible = "nvmem-cells";
+
+                               #address-cells = <1>;
+                               #size-cells = <1>;
+
+                               label = "eeprom";
+                               reg = <0x80000 0x10000>;
+                               read-only;
+
+                               macaddr_eeprom: macaddr@0 {
+                                       reg = <0x0 0x6>;
+                               };
+                       };
+
+                       partition@90000 {
+                               label = "bs";
+                               reg = <0x90000 0x10000>;
+                       };
+
+                       partition@a0000 {
+                               label = "cfg";
+                               reg = <0xa0000 0x100000>;
+                               read-only;
+                       };
+
+                       partition@1a0000 {
+                               compatible = "denx,fit";
+                               label = "firmware";
+                               reg = <0x1a0000 0x730000>;
+                       };
+
+                       partition@8d0000 {
+                               label = "kernel1";
+                               reg = <0x8d0000 0x730000>;
+                       };
+               };
+       };
+};
+
+&xhci {
+       status = "disabled";
+};

diff --git a/target/linux/ramips/image/mt7621.mk b/target/linux/ramips/image/mt7621.mk
index d28aa96224c3e04b38061e8f70485c7628cfd151..68993a02fb8b39edff36c9c06811167a2087134c 100644 (file)
--- a/target/linux/ramips/image/mt7621.mk
+++ b/target/linux/ramips/image/mt7621.mk
@@ -1408,6 +1408,16 @@ define Device/ubnt_unifi-nanohd
 endef
 TARGET_DEVICES += ubnt_unifi-nanohd
 
+define Device/ubnt_usw-flex
+  $(Device/dsa-migration)
+  DEVICE_VENDOR := Ubiquiti
+  DEVICE_MODEL := UniFi Switch Flex
+  DEVICE_DTS_CONFIG := config@1
+  KERNEL := kernel-bin | lzma | fit lzma $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb
+  IMAGE_SIZE := 7360k
+endef
+TARGET_DEVICES += ubnt_usw-flex
+
 define Device/unielec_u7621-01-16m
   $(Device/dsa-migration)
   $(Device/uimage-lzma-loader)

diff --git a/target/linux/ramips/mt7621/base-files/etc/board.d/02_network b/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
index 16148547f7d592b265c1d22ea3cd0868a8516261..47f978baf87940751e4d865ab16f45450991d63d 100644 (file)
--- a/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/mt7621/base-files/etc/board.d/02_network
@@ -67,6 +67,9 @@ ramips_setup_interfaces()
        ubnt,edgerouter-x-sfp)
                ucidef_set_interfaces_lan_wan "eth1 eth2 eth3 eth4 eth5" "eth0"
                ;;
+       ubnt,usw-flex)
+               ucidef_set_interface_lan "lan1 lan2 lan3 lan4 lan5"
+               ;;
        zyxel,nr7101)
                ucidef_set_interfaces_lan_wan "lan" "wan"
                ;;