[OpenWrt-Devel] ar71xx: add support for EnGenius ECB1750
This adds support for the EnGenius ECB1750 access point. Tested for 2 weeks and so far everything seems great! Signed-off-by: Andrew Tyler diff --git a/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata b/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata index 74c3417..a01b441 100644 --- a/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata +++ b/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata @@ -75,6 +75,11 @@ case "$FIRMWARE" in ath10kcal_extract "ART" 20480 2116 ath10kcal_patch_mac $(macaddr_add $(cat /sys/class/net/eth0/address) +16) ;; + ecb1750) + ath10kcal_extract "art" 20480 2116 + ath10kcal_patch_mac $(macaddr_add $(cat /sys/class/net/eth0/address) +1) + ;; + esac ;; "ath10k/cal-pci-:01:00.0.bin") diff --git a/target/linux/ar71xx/base-files/lib/ar71xx.sh b/target/linux/ar71xx/base-files/lib/ar71xx.sh index df77040..761afdf 100755 --- a/target/linux/ar71xx/base-files/lib/ar71xx.sh +++ b/target/linux/ar71xx/base-files/lib/ar71xx.sh @@ -491,6 +491,9 @@ ar71xx_board_detect() { *"GL AR300") name="gl-ar300" ;; + *"EnGenius ECB1750") + name="ecb1750" + ;; *"EnGenius EPG5000") name="epg5000" ;; diff --git a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh index 41886e3..d19a33c 100755 --- a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh +++ b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh @@ -216,6 +216,7 @@ platform_check_image() { dlan-pro-1200-ac | \ dragino2 | \ epg5000 | \ + ecb1750 | \ esr1750 | \ esr900 | \ ew-dorin | \ diff --git a/target/linux/ar71xx/config-4.1 b/target/linux/ar71xx/config-4.1 index eff197a..d0b0c8a 100644 --- a/target/linux/ar71xx/config-4.1 +++ b/target/linux/ar71xx/config-4.1 @@ -74,6 +74,7 @@ CONFIG_ATH79_MACH_EL_M150=y CONFIG_ATH79_MACH_EL_MINI=y CONFIG_ATH79_MACH_EPG5000=y CONFIG_ATH79_MACH_ESR1750=y +CONFIG_ATH79_MACH_ECB1750=y CONFIG_ATH79_MACH_ESR900=y CONFIG_ATH79_MACH_EW_DORIN=y CONFIG_ATH79_MACH_F9K1115V2=y diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-ecb1750.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-ecb1750.c new file mode 100644 index 000..aa3cf43 --- /dev/null +++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-ecb1750.c @@ -0,0 +1,109 @@ +/* + * EnGenius ECB1750 board support + * + * Andrew Tyler + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include +#include + +#include + +#include "common.h" +#include "dev-ap9x-pci.h" +#include "dev-gpio-buttons.h" +#include "dev-eth.h" +#include "dev-leds-gpio.h" +#include "dev-m25p80.h" +#include "dev-wmac.h" +#include "machtypes.h" +#include "pci.h" + +#define ECB1750_GPIO_LED_LAN 12 +#define ECB1750_GPIO_LED_WLAN_2G 13 +#define ECB1750_GPIO_LED_POWER 22 +#define ECB1750_GPIO_LED_WLAN_5G 23 + +#define ECB1750_GPIO_BTN_RESET 17 + +#define ECB1750_KEYS_POLL_INTERVAL 20 /* msecs */ +#define ECB1750_KEYS_DEBOUNCE_INTERVAL (3 * ECB1750_KEYS_POLL_INTERVAL) + +#define ECB1750_MAC0_OFFSET 0 +#define ECB1750_MAC1_OFFSET 1 +#define ECB1750_WMAC_CALDATA_OFFSET 0x1000 +#define ECB1750_PCIE_CALDATA_OFFSET 0x5000 + +static struct gpio_led ecb1750_leds_gpio[] __initdata = { + { + .name = "ecb1750:amber:power", + .gpio = ECB1750_GPIO_LED_POWER, + .active_low = 0, + }, + { + .name = "ecb1750:blue:lan", + .gpio = ECB1750_GPIO_LED_LAN, + .active_low = 0, + }, + { + .name = "ecb1750:blue:wlan24", + .gpio = ECB1750_GPIO_LED_WLAN_2G, + .active_low = 0, + }, + { + .name = "ecb1750:blue:wlan58", + .gpio = ECB1750_GPIO_LED_WLAN_5G, + .active_low = 0, + }, +}; + +static struct gpio_keys_button ecb1750_gpio_keys[] __initdata = { + { + .desc = "Reset button", + .type = EV_KEY, + .code = KEY_RESTART, + .debounce_interval = ECB1750_KEYS_DEBOUNCE_INTERVAL, + .gpio = ECB1750_GPIO_BTN_RESET, + .active_low = 1, + }, +}; + +static void __init ecb1750_setup(void) +{ + u8 *art = (u8 *)KSEG1ADDR(0x1fff); + u8 mac[6]; + + ath79_register_m25p80(NULL); + + ath79_register_leds_gpio(-1, ARRAY_SIZE(ecb1750_leds_gpio), + ecb1750_leds_gpio); + ath79_register_gpio_keys_polled(-1, ECB1750_KEYS_POLL_INTERVAL, + ARRAY_SIZE(ecb1750_gpio_keys), + ecb1750_gpio_keys); + + ath79_init_mac(mac, art + ECB1750_MAC0_OFFSET, 1); + ath79_init_mac(ath79_eth0_data.mac_addr, art + ECB1750_MAC0_OFFSET, 0); + ath79_register_wmac(art + ECB1750_WMAC_CALDATA_OFFSET, NULL); + ath79_register_pci(); + + ath79_setup_qca955x_eth_cfg(QCA955X_ETH_CFG_RGMII_EN); + ath79_reg
Re: [OpenWrt-Devel] ar71xx: add support for EnGenius ECB1750
Accidentally left a test diff (test.diff) in my src tree when I made the initial patch. Sorry about that. Signed-off-by: Andrew Tyler From: openwrt-devel on behalf of Andrew Tyler Sent: Sunday, November 29, 2015 2:07 AM To: openwrt-devel@lists.openwrt.org Subject: [OpenWrt-Devel] ar71xx: add support for EnGenius ECB1750 This adds support for the EnGenius ECB1750 access point. Tested for 2 weeks and so far everything seems great! Signed-off-by: Andrew Tyler diff --git a/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata b/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata index 74c3417..a01b441 100644 --- a/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata +++ b/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata @@ -75,6 +75,11 @@ case "$FIRMWARE" in ath10kcal_extract "ART" 20480 2116 ath10kcal_patch_mac $(macaddr_add $(cat /sys/class/net/eth0/address) +16) ;; + ecb1750) + ath10kcal_extract "art" 20480 2116 + ath10kcal_patch_mac $(macaddr_add $(cat /sys/class/net/eth0/address) +1) + ;; + esac ;; "ath10k/cal-pci-:01:00.0.bin") diff --git a/target/linux/ar71xx/base-files/lib/ar71xx.sh b/target/linux/ar71xx/base-files/lib/ar71xx.sh index df77040..761afdf 100755 --- a/target/linux/ar71xx/base-files/lib/ar71xx.sh +++ b/target/linux/ar71xx/base-files/lib/ar71xx.sh @@ -491,6 +491,9 @@ ar71xx_board_detect() { *"GL AR300") name="gl-ar300" ;; + *"EnGenius ECB1750") + name="ecb1750" + ;; *"EnGenius EPG5000") name="epg5000" ;; diff --git a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh index 41886e3..d19a33c 100755 --- a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh +++ b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh @@ -216,6 +216,7 @@ platform_check_image() { dlan-pro-1200-ac | \ dragino2 | \ epg5000 | \ + ecb1750 | \ esr1750 | \ esr900 | \ ew-dorin | \ diff --git a/target/linux/ar71xx/config-4.1 b/target/linux/ar71xx/config-4.1 index eff197a..d0b0c8a 100644 --- a/target/linux/ar71xx/config-4.1 +++ b/target/linux/ar71xx/config-4.1 @@ -74,6 +74,7 @@ CONFIG_ATH79_MACH_EL_M150=y CONFIG_ATH79_MACH_EL_MINI=y CONFIG_ATH79_MACH_EPG5000=y CONFIG_ATH79_MACH_ESR1750=y +CONFIG_ATH79_MACH_ECB1750=y CONFIG_ATH79_MACH_ESR900=y CONFIG_ATH79_MACH_EW_DORIN=y CONFIG_ATH79_MACH_F9K1115V2=y diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-ecb1750.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-ecb1750.c new file mode 100644 index 000..aa3cf43 --- /dev/null +++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-ecb1750.c @@ -0,0 +1,109 @@ +/* + * EnGenius ECB1750 board support + * + * Andrew Tyler + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include +#include + +#include + +#include "common.h" +#include "dev-ap9x-pci.h" +#include "dev-gpio-buttons.h" +#include "dev-eth.h" +#include "dev-leds-gpio.h" +#include "dev-m25p80.h" +#include "dev-wmac.h" +#include "machtypes.h" +#include "pci.h" + +#define ECB1750_GPIO_LED_LAN 12 +#define ECB1750_GPIO_LED_WLAN_2G 13 +#define ECB1750_GPIO_LED_POWER 22 +#define ECB1750_GPIO_LED_WLAN_5G 23 + +#define ECB1750_GPIO_BTN_RESET 17 + +#define ECB1750_KEYS_POLL_INTERVAL 20 /* msecs */ +#define ECB1750_KEYS_DEBOUNCE_INTERVAL (3 * ECB1750_KEYS_POLL_INTERVAL) + +#define ECB1750_MAC0_OFFSET 0 +#define ECB1750_MAC1_OFFSET 1 +#define ECB1750_WMAC_CALDATA_OFFSET 0x1000 +#define ECB1750_PCIE_CALDATA_OFFSET 0x5000 + +static struct gpio_led ecb1750_leds_gpio[] __initdata = { + { + .name = "ecb1750:amber:power", + .gpio = ECB1750_GPIO_LED_POWER, + .active_low = 0, + }, + { + .name = "ecb1750:blue:lan", + .gpio = ECB1750_GPIO_LED_LAN, + .active_low = 0, + }, + { + .name = "ecb1750:blue:wlan24", + .gpio = ECB1750_GPIO_LED_WLAN_2G, + .active_low = 0, + }, + { + .name = "ecb1750:blue:wlan58", + .gpio = ECB1750_GPIO_LED_WLAN_5G, + .active_low = 0, + }, +}; + +static struct gpio_keys_button ecb1750_gpio_keys[] __initdata = { + { + .desc = "Reset button", + .type = EV_KEY, + .code = KEY_RESTART, + .debounce_interval = ECB1750_KEYS_DEBOUNCE_INTERVAL, + .gpio = ECB1750_GPIO_BTN_RESET, + .active_low = 1, + }, +}; + +static void __init ecb1750_setup(void) +{ + u8 *art = (u8 *)KSEG1ADDR(0x1fff); + u8 mac[6]; + + ath79_register_m25p80(NULL); + + ath79_register_leds_gpio(-1, ARRAY_SIZE(ecb1750_leds_gpio), + ecb1750_leds_gpio); + ath79_register_gpio_keys_polled(-1, ECB1750_KEYS_POLL_INTERVAL, + A
Re: [OpenWrt-Devel] ar71xx: add support for EnGenius ECB1750
Reflashed several times and noticed some inconsistency with the mac addr's this patch will fix that and set the device to use dhcp by default which seems logical as it only has one wired interface. Signed-off-by: Andrew Tyler https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel>> openwrt-devel Info Page<https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel> lists.openwrt.org To see the collection of prior postings to the list, visit the openwrt-devel Archives. Using openwrt-devel: To post a message to all the list members ... diff --git a/package/base-files/files/bin/config_generate b/package/base-files/files/bin/config_generate index b6675f1..e1168d8 100755 --- a/package/base-files/files/bin/config_generate +++ b/package/base-files/files/bin/config_generate @@ -58,10 +58,7 @@ generate_network() { lan) uci -q batch <<-EOF set network.$1.type='bridge' -set network.$1.proto='static' -set network.$1.ipaddr='192.168.1.1' -set network.$1.netmask='255.255.255.0' -set network.$1.ip6assign='60' +set network.$1.proto='dhcp' EOF ;; wan) diff --git a/package/base-files/files/etc/config/network b/package/base-files/files/etc/config/network index d3cd3c6..37f6144 100644 --- a/package/base-files/files/etc/config/network +++ b/package/base-files/files/etc/config/network @@ -9,10 +9,7 @@ config interface loopback config interface lan option ifname eth0 option type bridge - option proto static - option ipaddr 192.168.1.1 - option netmask 255.255.255.0 - option ip6assign 60 + option proto dhcp config globals globals option ula_prefix auto diff --git a/package/base-files/files/etc/init.d/setwlanmac b/package/base-files/files/etc/init.d/setwlanmac new file mode 100755 index 000..8230595 --- /dev/null +++ b/package/base-files/files/etc/init.d/setwlanmac @@ -0,0 +1,16 @@ +#!/bin/sh /etc/rc.common +# Copyright (C) 2014 OpenWrt.org + +START=98 +STOP=15 + +start() { + grep athaddr /dev/mtdblock1 | cut -f2 -d= > /tmp/athaddr + grep ethaddr /dev/mtdblock1 | cut -f2 -d= > /tmp/ethaddr +ifconfig wlan1 down; +ifconfig wlan1 hw ether `grep ethaddr /dev/mtdblock1 | cut -f2 -d=`; +ifconfig wlan1 up; +} +stop() { +echo "Stop." +} diff --git a/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata b/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata index 74c3417..d81843c 100644 --- a/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata +++ b/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata @@ -75,6 +75,12 @@ case "$FIRMWARE" in ath10kcal_extract "ART" 20480 2116 ath10kcal_patch_mac $(macaddr_add $(cat /sys/class/net/eth0/address) +16) ;; + ecb1750) + ath10kcal_extract "art" 20480 2116 + ifconfig eth0 hw ether `grep ethaddr /dev/mtdblock1 | cut -f2 -d=` + ath10kcal_patch_mac $(macaddr_add $(cat /sys/class/net/eth0/address) +1) + ;; + esac ;; "ath10k/cal-pci-:01:00.0.bin") diff --git a/target/linux/ar71xx/base-files/lib/ar71xx.sh b/target/linux/ar71xx/base-files/lib/ar71xx.sh index df77040..761afdf 100755 --- a/target/linux/ar71xx/base-files/lib/ar71xx.sh +++ b/target/linux/ar71xx/base-files/lib/ar71xx.sh @@ -491,6 +491,9 @@ ar71xx_board_detect() { *"GL AR300") name="gl-ar300" ;; + *"EnGenius ECB1750") + name="ecb1750" + ;; *"EnGenius EPG5000") name="epg5000" ;; diff --git a/target/linux/ar71xx/base-files/lib/preinit/05_set_iface_mac_ar71xx b/target/linux/ar71xx/base-files/lib/preinit/05_set_iface_mac_ar71xx index 92b3765..d8ede94 100644 --- a/target/linux/ar71xx/base-files/lib/preinit/05_set_iface_mac_ar71xx +++ b/target/linux/ar71xx/base-files/lib/preinit/05_set_iface_mac_ar71xx @@ -41,6 +41,8 @@ preinit_set_mac_address() { wrt160nl) fetch_mac_from_mtd nvram lan_hwaddr wan_hwaddr ;; +ecb1750) +fetch_mac_from_mtd u-boot-env ethaddr esac } diff --git a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh index 41886e3..d19a33c 100755 --- a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh +++ b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh @@ -216,6 +216,7 @@ platform_check_image() { dlan-pro-1200-ac | \ dragino2 | \ epg5000 | \ + ecb1750 | \ esr1750 | \ esr900 | \ ew-dorin | \ diff --git a/target/linux/ar71xx/config-4.1 b/target/linux/ar71xx/config-4.1 index eff197a..d0b0c8a 100644 --- a/target/linux/ar71xx/config-4.1 +++ b/target/linux/ar71xx/config-4.1 @@ -74,6 +74,7 @@ CONFIG_ATH79_MACH_EL_M150=y CONFIG_ATH79_MACH_EL_MINI=y CONFIG_ATH79_MACH_EPG5000=y CONFIG_ATH79_MACH_ESR1750=y +CONFIG_ATH79_MACH_ECB1750=y CONFIG_ATH79_MACH_ESR900=y CONFIG_ATH79_MACH_EW_DORIN=y CONFIG_ATH79_MACH_F9K11
Re: [OpenWrt-Devel] ar71xx: add support for EnGenius ECB1750
Okay. I just want to apologize for hammering this but I have been having an issue trying to post the patch using my work email (office365). It seemed to want to send it as an attachment with dos line endings tacked on for some reason. I think ive got that taken care of now so here it is: Signed-off-by: Andrew Tyler diff --git a/package/base-files/files/bin/config_generate b/package/base-files/files/bin/config_generate index b6675f1..e1168d8 100755 --- a/package/base-files/files/bin/config_generate +++ b/package/base-files/files/bin/config_generate @@ -58,10 +58,7 @@ generate_network() { lan) uci -q batch <<-EOF set network.$1.type='bridge' -set network.$1.proto='static' -set network.$1.ipaddr='192.168.1.1' -set network.$1.netmask='255.255.255.0' -set network.$1.ip6assign='60' +set network.$1.proto='dhcp' EOF ;; wan) diff --git a/package/base-files/files/etc/config/network b/package/base-files/files/etc/config/network index d3cd3c6..37f6144 100644 --- a/package/base-files/files/etc/config/network +++ b/package/base-files/files/etc/config/network @@ -9,10 +9,7 @@ config interface loopback config interface lan option ifnameeth0 option type bridge -option protostatic -option ipaddr192.168.1.1 -option netmask255.255.255.0 -option ip6assign 60 +option protodhcp config globals globals option ula_prefix auto diff --git a/package/base-files/files/etc/init.d/setwlanmac b/package/base-files/files/etc/init.d/setwlanmac new file mode 100755 index 000..8230595 --- /dev/null +++ b/package/base-files/files/etc/init.d/setwlanmac @@ -0,0 +1,16 @@ +#!/bin/sh /etc/rc.common +# Copyright (C) 2014 OpenWrt.org + +START=98 +STOP=15 + +start() { +grep athaddr /dev/mtdblock1 | cut -f2 -d= > /tmp/athaddr +grep ethaddr /dev/mtdblock1 | cut -f2 -d= > /tmp/ethaddr +ifconfig wlan1 down; +ifconfig wlan1 hw ether `grep ethaddr /dev/mtdblock1 | cut -f2 -d=`; +ifconfig wlan1 up; +} +stop() { +echo "Stop." +} diff --git a/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata b/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata index 74c3417..d81843c 100644 --- a/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata +++ b/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata @@ -75,6 +75,12 @@ case "$FIRMWARE" in ath10kcal_extract "ART" 20480 2116 ath10kcal_patch_mac $(macaddr_add $(cat /sys/class/net/eth0/address) +16) ;; +ecb1750) +ath10kcal_extract "art" 20480 2116 +ifconfig eth0 hw ether `grep ethaddr /dev/mtdblock1 | cut -f2 -d=` +ath10kcal_patch_mac $(macaddr_add $(cat /sys/class/net/eth0/address) +1) +;; + esac ;; "ath10k/cal-pci-:01:00.0.bin") diff --git a/target/linux/ar71xx/base-files/lib/ar71xx.sh b/target/linux/ar71xx/base-files/lib/ar71xx.sh index df77040..761afdf 100755 --- a/target/linux/ar71xx/base-files/lib/ar71xx.sh +++ b/target/linux/ar71xx/base-files/lib/ar71xx.sh @@ -491,6 +491,9 @@ ar71xx_board_detect() { *"GL AR300") name="gl-ar300" ;; +*"EnGenius ECB1750") +name="ecb1750" +;; *"EnGenius EPG5000") name="epg5000" ;; diff --git a/target/linux/ar71xx/base-files/lib/preinit/05_set_iface_mac_ar71xx b/target/linux/ar71xx/base-files/lib/preinit/05_set_iface_mac_ar71xx index 92b3765..d8ede94 100644 --- a/target/linux/ar71xx/base-files/lib/preinit/05_set_iface_mac_ar71xx +++ b/target/linux/ar71xx/base-files/lib/preinit/05_set_iface_mac_ar71xx @@ -41,6 +41,8 @@ preinit_set_mac_address() { wrt160nl) fetch_mac_from_mtd nvram lan_hwaddr wan_hwaddr ;; +ecb1750) +fetch_mac_from_mtd u-boot-env ethaddr esac } diff --git a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh index 41886e3..d19a33c 100755 --- a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh +++ b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh @@ -216,6 +216,7 @@ platform_check_image() { dlan-pro-1200-ac | \ dragino2 | \ epg5000 | \ +ecb1750 | \ esr1750 | \ esr900 | \ ew-dorin | \ diff --git a/target/linux/ar71xx/config-4.1 b/target/linux/ar71xx/config-4.1 index eff197a..d0b0c8a 100644 --- a/target/linux/ar71xx/config-4.1 +++ b/target/linux/ar71xx/config-4.1 @@ -74,6 +74,7 @@ CONFIG_ATH79_MACH_EL_M150=y CONFIG_ATH79_MACH_EL_MINI=y CONFIG_ATH79_MACH_EPG5000=y CONFIG_ATH79_MACH_ESR1750=y +CONFIG_ATH79_MACH_ECB1750=y CONFIG_ATH79_MACH_ESR900=y CONFIG_ATH79_MACH_EW