ar71xx: add initial support for the Atheros DB120 board

Signed-off-by: Jaiganesh Narayanan <jnarayanan@atheros.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26518 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/ar71xx/config-2.6.37

@@ -16,6 +16,7 @@ CONFIG_AR71XX_MACH_AP81=y
 CONFIG_AR71XX_MACH_AP83=y
 CONFIG_AR71XX_MACH_AP96=y
 CONFIG_AR71XX_MACH_AW_NR580=y
+CONFIG_AR71XX_MACH_DB120=y
 CONFIG_AR71XX_MACH_DIR_600_A1=y
 CONFIG_AR71XX_MACH_DIR_615_C1=y
 CONFIG_AR71XX_MACH_DIR_825_B1=y

target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig

@@ -28,6 +28,13 @@ config AR71XX_MACH_AP96
 	select AR71XX_DEV_USB
 	default n
 
+config AR71XX_MACH_DB120
+	bool "Atheros DB120 board support"
+	select AR71XX_DEV_GPIO_BUTTONS
+	select AR71XX_DEV_LEDS_GPIO
+	select AR71XX_DEV_USB
+	default n
+
 config AR71XX_MACH_DIR_600_A1
 	bool "D-Link DIR-600 rev. A1 support"
 	select AR71XX_DEV_AP91_PCI if PCI

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

@@ -31,6 +31,7 @@ obj-$(CONFIG_AR71XX_MACH_AP81)		+= mach-ap81.o
 obj-$(CONFIG_AR71XX_MACH_AP83)		+= mach-ap83.o
 obj-$(CONFIG_AR71XX_MACH_AP96)		+= mach-ap96.o
 obj-$(CONFIG_AR71XX_MACH_AW_NR580)	+= mach-aw-nr580.o
+obj-$(CONFIG_AR71XX_MACH_DB120)	+= mach-db120.o
 obj-$(CONFIG_AR71XX_MACH_DIR_600_A1)	+= mach-dir-600-a1.o
 obj-$(CONFIG_AR71XX_MACH_DIR_615_C1)	+= mach-dir-615-c1.o
 obj-$(CONFIG_AR71XX_MACH_DIR_825_B1)	+= mach-dir-825-b1.o

target/linux/ar71xx/files/arch/mips/ar71xx/mach-db120.c

@@ -0,0 +1,121 @@
+/*
+ *  Atheros DB120 board (WASP SoC) support
+ *
+ *  Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com>
+ *
+ *  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/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/mach-ar71xx/ar71xx.h>
+
+#include "machtype.h"
+#include "devices.h"
+#include "dev-m25p80.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-usb.h"
+
+#define DB120_GPIO_LED_USB	11
+#define DB120_GPIO_LED_WLAN_5G	12
+#define DB120_GPIO_LED_WLAN_2G	13
+#define DB120_GPIO_LED_STATUS	14
+#define DB120_GPIO_LED_WPS	15
+
+#define DB120_GPIO_BTN_SW1	16
+
+#define DB120_BUTTONS_POLL_INTERVAL	20
+
+#ifdef CONFIG_MTD_PARTITIONS
+static struct mtd_partition db120_partitions[] = {
+	{
+		.name		= "u-boot",
+		.offset		= 0,
+		.size		= 0x040000,
+		.mask_flags	= MTD_WRITEABLE,
+	}, {
+		.name		= "u-boot-env",
+		.offset		= 0x040000,
+		.size		= 0x010000,
+	}, {
+		.name		= "rootfs",
+		.offset		= 0x050000,
+		.size		= 0x630000,
+	}, {
+		.name		= "uImage",
+		.offset		= 0x680000,
+		.size		= 0x160000,
+	}, {
+		.name		= "NVRAM",
+		.offset		= 0x7E0000,
+		.size		= 0x010000,
+	}, {
+		.name		= "ART",
+		.offset		= 0x7F0000,
+		.size		= 0x010000,
+		.mask_flags	= MTD_WRITEABLE,
+	}
+};
+#endif /* CONFIG_MTD_PARTITIONS */
+
+static struct flash_platform_data db120_flash_data = {
+#ifdef CONFIG_MTD_PARTITIONS
+	.parts		= db120_partitions,
+	.nr_parts	= ARRAY_SIZE(db120_partitions),
+#endif
+};
+
+static struct gpio_led db120_leds_gpio[] __initdata = {
+	{
+		.name		= "db120:green:status",
+		.gpio		= DB120_GPIO_LED_STATUS,
+		.active_low	= 1,
+	}, {
+		.name		= "db120:green:wps",
+		.gpio		= DB120_GPIO_LED_WPS,
+		.active_low	= 1,
+	}, {
+		.name		= "db120:green:wlan-5g",
+		.gpio		= DB120_GPIO_LED_WLAN_5G,
+		.active_low	= 1,
+	}, {
+		.name		= "db120:green:wlan-2g",
+		.gpio		= DB120_GPIO_LED_WLAN_2G,
+		.active_low	= 1,
+	}, {
+		.name		= "db120:green:usb",
+		.gpio		= DB120_GPIO_LED_USB,
+		.active_low	= 1,
+	}
+};
+
+static struct gpio_button db120_gpio_buttons[] __initdata = {
+	{
+		.desc		= "sw1",
+		.type		= EV_KEY,
+		.code		= BTN_0,
+		.threshold	= 3,
+		.gpio		= DB120_GPIO_BTN_SW1,
+		.active_low	= 1,
+	}
+};
+
+static void __init db120_setup(void)
+{
+	ar71xx_add_device_usb();
+
+	ar71xx_add_device_m25p80(&db120_flash_data);
+
+	ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(db120_leds_gpio),
+					db120_leds_gpio);
+
+	ar71xx_add_device_gpio_buttons(-1, DB120_BUTTONS_POLL_INTERVAL,
+					ARRAY_SIZE(db120_gpio_buttons),
+					db120_gpio_buttons);
+}
+
+MIPS_MACHINE(AR71XX_MACH_DB120, "DB120", "Atheros DB120", db120_setup);

target/linux/ar71xx/files/arch/mips/ar71xx/machtype.h

@@ -66,6 +66,7 @@ enum ar71xx_mach_type {
 	AR71XX_MACH_ZCN_1523H_5, /* Zcomax ZCN-1523H-5-xx */
 	AR71XX_MACH_AP96,	/* Atheros AP96 */
 	AR71XX_MACH_UBNT_UNIFI, /* Unifi */
+	AR71XX_MACH_DB120,      /* Atheros DB120 (AR934x based) */
 };
 
 #endif /* _AR71XX_MACHTYPE_H */