ar71xx: add support for the Hak5 Owl

This patch adds support for the Hak5 Owl.

Specifications:
    * SoC: Atheros AR9331 (400MHz)
    * RAM: 64MB (DDR2)
    * Storage: 16MB
    * Wireless: AR9331 (built-in)
    * Ports: USB 2.0 Host
    * Other: Status LED, reset button, USB 2.0 passthrough port

Flash instructions:
    Original firmware is based on OpenWrt.
    Use sysupgrade via SSH to flash.

Signed-off-by: Sebastian Kinne <seb@hak5.org>

target/linux/ar71xx/base-files/etc/board.d/01_leds

@@ -589,6 +589,9 @@ omy-x1)
 	ucidef_set_led_default "power" "POWER" "omy:green:power" "1"
 	ucidef_set_led_default "wan" "WAN" "omy:green:wan" "eth0"
 	;;
+owl)
+	ucidef_set_led_netdev "wlan0" "WLAN" "$board:red:system" "wlan0"
+	;;
 pqi-air-pen)
 	ucidef_set_led_wlan "wlan" "WLAN" "pqi-air-pen:blue:wlan" "phy0tpt"
 	ucidef_set_led_default "wps" "WPS" "pqi-air-pen:blue:wps" "0"

target/linux/ar71xx/base-files/etc/diag.sh

@@ -207,7 +207,8 @@ get_status_led() {
 		status_led="$board:green:sig4"
 		;;
 	dragino2|\
-	oolite-v1)
+	oolite-v1|\
+	owl)
 		status_led="$board:red:system"
 		;;
 	dw33d|\

target/linux/ar71xx/base-files/lib/ar71xx.sh

@@ -947,6 +947,9 @@ ar71xx_board_detect() {
 	*"Oolite V1.0")
 		name="oolite-v1"
 		;;
+	*"Owl")
+		name="owl"
+		;;
 	*"Packet Squirrel")
 		name="packet-squirrel"
 		;;

target/linux/ar71xx/base-files/lib/upgrade/platform.sh

@@ -284,6 +284,7 @@ platform_check_image() {
 	nanostation-m|\
 	nanostation-m-xw|\
 	nbg460n_550n_550nh|\
+	owl|\
 	pqi-air-pen|\
 	r36a|\
 	r602n|\

target/linux/ar71xx/config-4.14

@@ -164,6 +164,7 @@ CONFIG_ATH79=y
 # CONFIG_ATH79_MACH_OMY_G1 is not set
 # CONFIG_ATH79_MACH_OMY_X1 is not set
 # CONFIG_ATH79_MACH_ONION_OMEGA is not set
+# CONFIG_ATH79_MACH_OWL is not set
 # CONFIG_ATH79_MACH_PB42 is not set
 # CONFIG_ATH79_MACH_PB44 is not set
 # CONFIG_ATH79_MACH_PQI_AIR_PEN is not set

target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt

@@ -1366,6 +1366,16 @@ config ATH79_MACH_ONION_OMEGA
 	select ATH79_DEV_USB
 	select ATH79_DEV_WMAC
 
+config ATH79_MACH_OWL
+	bool "Hak5 Owl board support"
+	select SOC_AR933X
+	select ATH79_DEV_ETH
+	select ATH79_DEV_GPIO_BUTTONS
+	select ATH79_DEV_LEDS_GPIO
+	select ATH79_DEV_M25P80
+	select ATH79_DEV_USB
+	select ATH79_DEV_WMAC
+
 config ATH79_MACH_MR12
 	bool "Meraki MR12 board support"
 	select SOC_AR724X

target/linux/ar71xx/files/arch/mips/ath79/Makefile

@@ -175,6 +175,7 @@ obj-$(CONFIG_ATH79_MACH_OM5P_ACv2)		+= mach-om5pacv2.o
 obj-$(CONFIG_ATH79_MACH_OMY_G1)			+= mach-omy-g1.o
 obj-$(CONFIG_ATH79_MACH_OMY_X1)			+= mach-omy-x1.o
 obj-$(CONFIG_ATH79_MACH_ONION_OMEGA)		+= mach-onion-omega.o
+obj-$(CONFIG_ATH79_MACH_OWL)			+= mach-owl.o
 obj-$(CONFIG_ATH79_MACH_PB42)			+= mach-pb42.o
 obj-$(CONFIG_ATH79_MACH_PB44)			+= mach-pb44.o
 obj-$(CONFIG_ATH79_MACH_PQI_AIR_PEN)		+= mach-pqi-air-pen.o

target/linux/ar71xx/files/arch/mips/ath79/mach-owl.c

@@ -0,0 +1,73 @@
+/*
+ *  Hak5 Owl board support
+ *
+ *  Copyright (C) 2018 Sebastian Kinne <seb@hak5.org>
+ *
+ *  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 <linux/gpio.h>
+
+#include <asm/mach-ath79/ath79.h>
+#include <asm/mach-ath79/ar71xx_regs.h>
+
+#include "common.h"
+#include "dev-eth.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-m25p80.h"
+#include "dev-usb.h"
+#include "dev-wmac.h"
+#include "machtypes.h"
+
+#define OWL_GPIO_LED_SYSTEM 27
+
+#define OWL_GPIO_BTN_RESET	12
+
+#define OWL_KEYS_POLL_INTERVAL		20	/* msecs */
+#define OWL_KEYS_DEBOUNCE_INTERVAL	(3 * OWL_KEYS_POLL_INTERVAL)
+
+#define OWL_CALDATA_OFFSET	0x1000
+
+static struct gpio_led owl_leds_gpio[] __initdata = {
+	{
+		.name		= "owl:red:system",
+		.gpio		= OWL_GPIO_LED_SYSTEM,
+		.active_low	= 1,
+	},
+};
+
+static struct gpio_keys_button owl_gpio_keys[] __initdata = {
+	{
+		.desc		= "Reset Button",
+		.type		= EV_KEY,
+		.code		= KEY_RESTART,
+		.debounce_interval = OWL_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= OWL_GPIO_BTN_RESET,
+		.active_low	= 1,
+	}
+};
+
+static void __init owl_setup(void)
+{
+	u8 *art = (u8 *) KSEG1ADDR(0x1f040000);
+
+	ath79_register_m25p80(NULL);
+
+	ath79_register_mdio(0, 0x0);
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(owl_leds_gpio),
+					owl_leds_gpio);
+	ath79_register_gpio_keys_polled(-1, OWL_KEYS_POLL_INTERVAL,
+					 ARRAY_SIZE(owl_gpio_keys),
+					 owl_gpio_keys);
+
+	ath79_register_wmac(art + OWL_CALDATA_OFFSET, NULL);
+
+	ath79_register_usb();
+}
+
+MIPS_MACHINE(ATH79_MACH_OWL, "OWL", "Owl",
+	    owl_setup);

target/linux/ar71xx/files/arch/mips/ath79/machtypes.h

@@ -186,6 +186,7 @@ enum ath79_mach_type {
 	ATH79_MACH_OMY_G1,			/* OMYlink OMY-G1 */
 	ATH79_MACH_OMY_X1,			/* OMYlink OMY-X1 */
 	ATH79_MACH_ONION_OMEGA,			/* ONION OMEGA */
+	ATH79_MACH_OWL,	              		/* Hak5 Owl */
 	ATH79_MACH_PACKET_SQUIRREL,		/* Hak5 Packet Squirrel */
 	ATH79_MACH_PB42,			/* Atheros PB42 */
 	ATH79_MACH_PB44,			/* Atheros PB44 reference board */

target/linux/ar71xx/generic/config-default

@@ -130,6 +130,7 @@ CONFIG_ATH79_MACH_OM5P_ACv2=y
 CONFIG_ATH79_MACH_OMY_G1=y
 CONFIG_ATH79_MACH_OMY_X1=y
 CONFIG_ATH79_MACH_ONION_OMEGA=y
+CONFIG_ATH79_MACH_OWL=y
 CONFIG_ATH79_MACH_PB42=y
 CONFIG_ATH79_MACH_PB44=y
 CONFIG_ATH79_MACH_PQI_AIR_PEN=y

target/linux/ar71xx/image/generic.mk

@@ -963,6 +963,19 @@ define Device/onion-omega
 endef
 TARGET_DEVICES += onion-omega
 
+define Device/owl
+  DEVICE_TITLE := Hak5 Owl
+  DEVICE_PACKAGES := kmod-usb-core kmod-usb2 kmod-usb-storage kmod-ath9k-htc -swconfig
+  BOARDNAME := OWL
+  IMAGE_SIZE := 16064k
+  CONSOLE := ttyATH0,115200
+  MTDPARTS := spi0.0:192k(u-boot)ro,64k(u-boot-env),64k(art)ro,-(firmware)
+  SUPPORTED_DEVICES := owl
+  IMAGE/sysupgrade.bin = append-kernel | pad-to $$$$(BLOCKSIZE) | \
+	append-rootfs | pad-rootfs | append-metadata | check-size $$$$(IMAGE_SIZE)
+endef
+TARGET_DEVICES += owl
+
 define Device/sc1750
   DEVICE_TITLE := Abicom SC1750
   DEVICE_PACKAGES := kmod-usb-core kmod-usb2 kmod-usb-ledtrig-usbport