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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.
Specification:
- 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 (AR9344), 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>
123 lines
3.1 KiB
C
123 lines
3.1 KiB
C
/*
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* Samsung WAM250 board support
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*
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* Copyright (C) 2018 Piotr Dymacz <pepe2k@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#include <linux/gpio.h>
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#include <linux/platform_device.h>
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#include <asm/mach-ath79/ath79.h>
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#include <asm/mach-ath79/ar71xx_regs.h>
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#include "common.h"
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#include "dev-eth.h"
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#include "dev-gpio-buttons.h"
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#include "dev-leds-gpio.h"
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#include "dev-m25p80.h"
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#include "dev-usb.h"
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#include "dev-wmac.h"
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#include "machtypes.h"
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#define WAM250_GPIO_LED_LAN 13
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#define WAM250_GPIO_LED_POWER 15
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#define WAM250_GPIO_LED_REPEATER 14
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#define WAM250_GPIO_LED_WLAN 12
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#define WAM250_GPIO_BTN_RESET 17
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#define WAM250_GPIO_BTN_SPKADD 1
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#define WAM250_GPIO_EXT_LNA 19
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#define WAM250_MAC_OFFSET 2
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#define WAM250_KEYS_POLL_INTERVAL 20
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#define WAM250_KEYS_DEBOUNCE_INTERVAL (3 * WAM250_KEYS_POLL_INTERVAL)
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static struct gpio_led wam250_leds_gpio[] __initdata = {
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{
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.name = "wam250:white:lan",
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.gpio = WAM250_GPIO_LED_LAN,
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.active_low = 1,
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}, {
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.name = "wam250:white:power",
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.gpio = WAM250_GPIO_LED_POWER,
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.default_state = LEDS_GPIO_DEFSTATE_KEEP,
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.active_low = 1,
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}, {
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.name = "wam250:white:repeater",
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.gpio = WAM250_GPIO_LED_REPEATER,
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.active_low = 1,
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}, {
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.name = "wam250:white:wlan",
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.gpio = WAM250_GPIO_LED_WLAN,
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.active_low = 1,
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},
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};
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static struct gpio_keys_button wam250_gpio_keys[] __initdata = {
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{
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.desc = "reset",
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.type = EV_KEY,
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.code = KEY_RESTART,
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.debounce_interval = WAM250_KEYS_DEBOUNCE_INTERVAL,
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.gpio = WAM250_GPIO_BTN_RESET,
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.active_low = 1,
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}, {
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.desc = "wps",
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.type = EV_KEY,
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.code = KEY_WPS_BUTTON,
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.debounce_interval = WAM250_KEYS_DEBOUNCE_INTERVAL,
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.gpio = WAM250_GPIO_BTN_SPKADD,
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.active_low = 1,
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},
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};
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static void __init wam250_setup(void)
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{
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u8 *art = (u8 *) KSEG1ADDR(0x1fff1000);
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ath79_register_m25p80(NULL);
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ath79_register_mdio(1, 0x0);
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ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_PHY_SWAP);
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ath79_switch_data.phy4_mii_en = 1;
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ath79_switch_data.phy_poll_mask = 0xfd;
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/* LAN */
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ath79_eth1_data.duplex = DUPLEX_FULL;
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ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
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ath79_eth1_data.phy_mask = BIT(1);
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ath79_init_mac(ath79_eth1_data.mac_addr, art + WAM250_MAC_OFFSET, 0);
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ath79_register_eth(1);
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/* WAN */
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ath79_eth0_data.duplex = DUPLEX_FULL;
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ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
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ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
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ath79_eth0_data.phy_mask = BIT(0);
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ath79_eth0_data.speed = SPEED_100;
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ath79_init_mac(ath79_eth0_data.mac_addr, art + WAM250_MAC_OFFSET, 1);
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ath79_register_eth(0);
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ath79_register_leds_gpio(-1, ARRAY_SIZE(wam250_leds_gpio),
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wam250_leds_gpio);
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ath79_register_gpio_keys_polled(-1, WAM250_KEYS_POLL_INTERVAL,
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ARRAY_SIZE(wam250_gpio_keys),
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wam250_gpio_keys);
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ath79_wmac_set_ext_lna_gpio(0, WAM250_GPIO_EXT_LNA);
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ath79_register_usb();
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ath79_register_wmac(art, NULL);
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}
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MIPS_MACHINE(ATH79_MACH_WAM250, "WAM250", "Samsung WAM250", wam250_setup);
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