Earlier i’ve written a post on how to install OpenWrt on that router, now it’s time to start fixing broken stuff, especially the reset button and the usb port, along with default switch/network configuration.
After some work i’ve managed to reverse engineer the GPIOs of that router, GPIO0 is used on the wps button on top of the case which is the only button the router has , so we’ll be using it as reset/failsafe button.
Also who has tried installing openwrt on that router may have noticed that the usb port has no power, turns out that GPIO6 is the one which enables the DC-DC converter on the board ( probably they did that to allow resetting the 3G modem without physically removing it from the port ).
So i’ve created a new dts file for that router finally, instead of using the WR5123ng image, below there’s the patch to apply on openwrt source tree
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From 73a975a826f2ca8af93411de7f9a0a48cf847938 Mon Sep 17 00:00:00 2001 From: Tiziano Bacocco <tizbac2@gmail.com> Date: Thu, 8 Oct 2015 00:37:06 +0200 Subject: Added Sitecom WL-326 support Signed-off-by: Tiziano Bacocco <tizbac2@gmail.com> diff --git a/target/linux/ramips/base-files/etc/board.d/02_network b/target/linux/ramips/base-files/etc/board.d/02_network index 94d69b9..8cb53a9 100755 --- a/target/linux/ramips/base-files/etc/board.d/02_network +++ b/target/linux/ramips/base-files/etc/board.d/02_network @@ -119,6 +119,7 @@ ramips_setup_interfaces() ur-326n4g|\ wrtnode|\ wt3020|\ + wl-326|\ zbt-wa05) ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2" ucidef_add_switch "switch0" "1" "1" diff --git a/target/linux/ramips/base-files/lib/ramips.sh b/target/linux/ramips/base-files/lib/ramips.sh index b89a88c..b092173 100755 --- a/target/linux/ramips/base-files/lib/ramips.sh +++ b/target/linux/ramips/base-files/lib/ramips.sh @@ -406,6 +406,9 @@ ramips_board_detect() { *"WR512-3GN-like"*) name="wr512-3gn" ;; + *"WL-326") + name="wl-326" + ;; *"WR6202") name="wr6202" ;; diff --git a/target/linux/ramips/base-files/lib/upgrade/platform.sh b/target/linux/ramips/base-files/lib/upgrade/platform.sh index 44d41c1..ca52345 100755 --- a/target/linux/ramips/base-files/lib/upgrade/platform.sh +++ b/target/linux/ramips/base-files/lib/upgrade/platform.sh @@ -110,6 +110,7 @@ platform_check_image() { whr-600d|\ whr-g300n|\ wizfi630a|\ + wl-326|\ wl-330n|\ wl-330n3g|\ wl-341v3|\ diff --git a/target/linux/ramips/dts/WL-326.dts b/target/linux/ramips/dts/WL-326.dts new file mode 100644 index 0000000..b9da889 --- /dev/null +++ b/target/linux/ramips/dts/WL-326.dts @@ -0,0 +1,111 @@ +/dts-v1/; + +/include/ "rt3050.dtsi" + +/ { + compatible = "WL-326", "ralink,rt3052-soc"; + model = "Sitecom WL-326"; + + pinctrl { + state_default: pinctrl0 { + gpio { + ralink,group = "spi", "i2c", "jtag", "rgmii", "mdio", "uartf"; + ralink,function = "gpio"; + }; + }; + }; + + cfi@1f000000 { + compatible = "cfi-flash"; + reg = <0x1f000000 0x800000>; + bank-width = <2>; + device-width = <2>; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "u-boot"; + reg = <0x0 0x30000>; + read-only; + }; + + partition@30000 { + label = "u-boot-env"; + reg = <0x30000 0x10000>; + read-only; + }; + + factory: partition@40000 { + label = "factory"; + reg = <0x40000 0x10000>; + read-only; + }; + + partition@50000 { + label = "firmware"; + reg = <0x50000 0x3c8000>; + }; + }; + + esw@10110000 { + ralink,portmap = <0x2f>; + }; + + wmac@10180000 { + ralink,mtd-eeprom = <&factory 0>; + }; + + gpio-leds { + compatible = "gpio-leds"; + + 3g { + label = "wl-326:green:3g"; + gpios = <&gpio0 9 1>; + }; + + gateway { + label = "wl-326:green:gateway"; + gpios = <&gpio0 11 1>; + }; + + ap { + label = "wl-326:green:ap"; + gpios = <&gpio0 12 1>; + }; + + wps { + label = "wl-326:green:wps"; + gpios = <&gpio0 14 1>; + }; + + station { + label = "wl-326:green:station"; + gpios = <&gpio0 13 1>; + }; + + usbpower { + label = "wl-326:nocolor:usbpower"; + gpios = <&gpio0 6 1>; + }; + }; + + gpio-keys-polled { + compatible = "gpio-keys-polled"; + #address-cells = <1>; + #size-cells = <0>; + + poll-interval = <20>; + + reset { + label = "reset"; + gpios = <&gpio0 0 1>; + linux,code = <0x198>; + }; + + }; + + otg@101c0000 { + status = "okay"; + }; + +}; diff --git a/target/linux/ramips/image/Makefile b/target/linux/ramips/image/Makefile index 117e07d..39fda3a 100644 --- a/target/linux/ramips/image/Makefile +++ b/target/linux/ramips/image/Makefile @@ -682,6 +682,8 @@ endef BuildFirmware/WNCE2001/initramfs=$(call BuildFirmware/OF/initramfs,$(1),$(2),$(3)) Image/Build/Profile/WNCE2001=$(call BuildFirmware/WNCE2001/$(1),$(1),wnce2001,WNCE2001) +Image/Build/Profile/WL-326=$(call BuildFirmware/Default4M/$(1),$(1),wl-326,WL-326) + Image/Build/Profile/WR512-3GN=$(call BuildFirmware/DefaultDualSize/$(1),$(1),wr512-3ng,WR512-3GN) Image/Build/Profile/WT1520=$(call BuildFirmware/PorayDualSize/$(1),$(1),wt1520,WT1520) @@ -775,6 +777,7 @@ define Image/Build/Profile/Default $(call Image/Build/Profile/WHRG300N,$(1)) $(call Image/Build/Profile/WIZARD8800,$(1)) $(call Image/Build/Profile/WIZFI630A,$(1)) + $(call Image/Build/Profile/WL-326,$(1)) $(call Image/Build/Profile/WL-330N,$(1)) $(call Image/Build/Profile/WL-330N3G,$(1)) $(call Image/Build/Profile/WL-341V3,$(1)) |
After that work, reset button works ok ( to get into failsafe mode wait for an udp packet from the router then shortly press the button once ), usb port power is tied to a dummy usbpower led, set brightness to 0 to power on, brightes to 1 to power off
Like:
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root@OpenWrt:~# echo 1 > /sys/devices/gpio-leds/leds/wl-326:nocolor:usbpower/brightness root@OpenWrt:~# echo 0 > /sys/devices/gpio-leds/leds/wl-326:nocolor:usbpower/brightness root@OpenWrt:~# |
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[ 144.250000] dwc2 101c0000.otg: Overcurrent change detected [ 144.300000] dwc2 101c0000.otg: Overcurrent change detected [ 144.350000] dwc2 101c0000.otg: Overcurrent change detected [ 144.360000] dwc2 101c0000.otg: Overcurrent change detected [ 144.670000] dwc2 101c0000.otg: Overcurrent change detected [ 144.720000] dwc2 101c0000.otg: Overcurrent change detected [ 144.770000] dwc2 101c0000.otg: Overcurrent change detected [ 144.820000] dwc2 101c0000.otg: Overcurrent change detected [ 144.870000] dwc2 101c0000.otg: Overcurrent change detected [ 144.880000] dwc2 101c0000.otg: Overcurrent change detected |
Still usb is not working, on dmesg dwc2 driver is constantly reporting an overcurrent condition that i think it is caused by VBUS being supplied from an external power supply instead of the SoC, so it thinks that there’s a short circuit, probably some driver work is still needed, so more updates are likely to follow