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Samsung WAM250 is a dual-band (selectable, not simultaneous) wireless
hub, dedicated for Samsung Shape Wireless Audio System. The device is
based on Atheros AR9344 (FCC ID: A3LWAM250). Support for this device
was first introduced in e58e49bdbe (ar71xx target).
Specifications:
- Atheros AR9344
- 560/450/225 MHz (CPU/DDR/AHB)
- 64 MB of RAM (DDR2)
- 16 MB of flash (SPI NOR)
- 2x 10/100 Mbps Ethernet
- 2T2R 2.4/5 GHz Wi-Fi, with ext. PA (SE2598L, SE5003L) and LNA
- 1x USB 2.0
- 4x LED (all are driven by GPIO)
- 2x button (reset, wps/speaker add)
- DC jack for main power input (14 V)
- UART header on PCB (J4, RX: 3, TX: 5)
Flash instruction:
This device uses dual-image (switched between upgrades) with a common
jffs2 config partition. Fortunately, there is a way to disable this mode
so that more flash space can be used by OpenWrt image.
You can easily access this device over telnet, using root/root
credentials (the same also work for serial console access).
1. Make sure that your device uses second (bootpart=2) image using
command: "fw_printenv bootpart".
2. If your device uses first image (bootpart=1), perform upgrade to the
latest vendor firmware (after the update, device should boot from
second partition) using web gui (default login: admin/1234567890).
3. Rename "sysupgrade" image to "firmware.bin", download it (you can use
wget, tftp or ftpget) to "/tmp" and issue below commands:
mtd_debug erase /dev/mtd3 0 $(wc -c /tmp/firmware.bin | awk -F' ' '{print $1}')
mtd_debug write /dev/mtd3 0 $(wc -c /tmp/firmware.bin)
fw_setenv bootpart
fw_setenv bootcmd "bootm 0x9f070000"
reboot
Revert to vendor firmware instruction:
1. Download vendor firmware to "/tmp" device and issue below commands:
fw_setenv bootpart 1
sysupgrade -n -F SS_BHUB_v2.2.05.bin
Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>
164 lines
2.4 KiB
Plaintext
164 lines
2.4 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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#include "ar9344.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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/ {
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model = "Samsung WAM250";
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compatible = "samsung,wam250", "qca,ar9344";
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aliases {
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led-boot = &led_power;
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led-failsafe = &led_power;
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led-running = &led_power;
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led-upgrade = &led_power;
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};
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keys {
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compatible = "gpio-keys";
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reset {
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label = "reset";
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linux,code = <KEY_RESTART>;
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gpios = <&gpio 17 GPIO_ACTIVE_LOW>;
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debounce-interval = <60>;
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};
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wps {
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label = "wps";
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linux,code = <KEY_WPS_BUTTON>;
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gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
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debounce-interval = <60>;
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};
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};
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leds {
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compatible = "gpio-leds";
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lan {
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label = "wam250:white:lan";
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gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
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};
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led_power: power {
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label = "wam250:white:power";
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gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
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default-state = "keep";
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};
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repeater {
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label = "wam250:white:repeater";
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gpios = <&gpio 14 GPIO_ACTIVE_LOW>;
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};
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wlan {
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label = "wam250:white:wlan";
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gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
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linux,default-trigger = "phy0tpt";
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};
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};
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};
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ð0 {
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status = "okay";
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phy-handle = <&swphy0>;
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mtd-mac-address = <&art 0x1002>;
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mtd-mac-address-increment = <1>;
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gmac-config {
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device = <&gmac>;
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switch-phy-swap = <1>;
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};
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};
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ð1 {
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status = "okay";
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mtd-mac-address = <&art 0x1002>;
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};
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&gpio {
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lna0 {
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line-name = "wam250:ext:lna0";
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gpios = <19 GPIO_ACTIVE_HIGH>;
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output-high;
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gpio-hog;
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};
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};
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&ref {
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clock-frequency = <40000000>;
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};
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&spi {
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status = "okay";
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num-cs = <1>;
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flash@0 {
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compatible = "jedec,spi-nor";
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reg = <0>;
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spi-max-frequency = <50000000>;
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m25p,fast-read;
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "u-boot";
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reg = <0x000000 0x040000>;
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read-only;
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};
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partition@40000 {
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label = "u-boot-env";
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reg = <0x040000 0x010000>;
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};
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partition@50000 {
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label = "nvram";
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reg = <0x050000 0x020000>;
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read-only;
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};
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partition@70000 {
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compatible = "denx,uimage";
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label = "firmware";
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reg = <0x070000 0xf80000>;
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};
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art: partition@ff0000 {
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label = "art";
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reg = <0xff0000 0x010000>;
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read-only;
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};
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};
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};
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};
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&uart {
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status = "okay";
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};
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&usb {
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status = "okay";
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};
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&usb_phy {
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status = "okay";
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};
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&wmac {
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status = "okay";
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mtd-cal-data = <&art 0x1000>;
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};
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