ar71xx: adding support for zyxel nbg460n/550n/550nh boards

This patch adds support for the zyxel nbg460n/550n/550nh routers.
Currently this only works if a second stage bootloader is also flashed,
as the used switch needs extra initialization.

Signed-off-by: Michael Kurz <michi.kurz@googlemail.com>

SVN-Revision: 20990

4 files changed, 225 insertions, 0 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig b/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
index 427eda2..29448ac 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
@@ -160,6 +160,14 @@ config AR71XX_MACH_MZK_W300NH
 	select AR71XX_DEV_LEDS_GPIO
 	default n
 
+config AR71XX_MACH_NBG460N
+	bool "Zyxel NBG460N/550N/550NH board support"
+	select AR71XX_DEV_M25P80
+	select AR71XX_DEV_AR913X_WMAC
+	select AR71XX_DEV_GPIO_BUTTONS
+	select AR71XX_DEV_LEDS_GPIO
+	default n
+	
 config AR71XX_MACH_TL_WR741ND
 	bool "TP-LINK TL-WR741ND support"
 	select AR71XX_DEV_M25P80
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile b/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
index e24df57..5c9e2c6 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
@@ -35,6 +35,7 @@ obj-$(CONFIG_AR71XX_MACH_DIR_615_C1)	+= mach-dir-615-c1.o
 obj-$(CONFIG_AR71XX_MACH_DIR_825_B1)	+= mach-dir-825-b1.o
 obj-$(CONFIG_AR71XX_MACH_MZK_W04NU)	+= mach-mzk-w04nu.o
 obj-$(CONFIG_AR71XX_MACH_MZK_W300NH)	+= mach-mzk-w300nh.o
+obj-$(CONFIG_AR71XX_MACH_NBG460N)	+= mach-nbg460n.o
 obj-$(CONFIG_AR71XX_MACH_PB42)		+= mach-pb42.o
 obj-$(CONFIG_AR71XX_MACH_PB44)		+= mach-pb44.o
 obj-$(CONFIG_AR71XX_MACH_PB92)		+= mach-pb92.o
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-nbg460n.c b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-nbg460n.c
new file mode 100644
index 0000000..297f805
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-nbg460n.c
@@ -0,0 +1,215 @@
+/*
+ *  Zyxel NBG 460N/550N/550NH board support
+ *
+ *  Copyright (C) 2010 Michael Kurz <michi.kurz@googlemail.com>
+ *
+ *  based on mach-tl-wr1043nd.c
+ *
+ *  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/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/delay.h>
+#include <linux/rtl8366s.h>
+
+#include <linux/i2c.h>
+#include <linux/i2c-algo-bit.h>
+#include <linux/i2c-gpio.h>
+
+#include <asm/mach-ar71xx/ar71xx.h>
+
+#include "machtype.h"
+#include "devices.h"
+#include "dev-m25p80.h"
+#include "dev-ar913x-wmac.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+
+/* LEDs */
+#define NBG460N_GPIO_LED_WPS		3
+#define NBG460N_GPIO_LED_WAN		6
+#define NBG460N_GPIO_LED_POWER		14
+#define NBG460N_GPIO_LED_WLAN		15
+
+/* Buttons */
+#define NBG460N_GPIO_BTN_WPS		12
+#define NBG460N_GPIO_BTN_RESET		21
+#define NBG460N_BUTTONS_POLL_INTERVAL	20
+
+/* RTC chip PCF8563 I2C interface */
+#define NBG460N_GPIO_PCF8563_SDA	8
+#define NBG460N_GPIO_PCF8563_SCK	7
+
+/* Switch configuration I2C interface */
+#define NBG460N_GPIO_RTL8366_SDA	16
+#define NBG460N_GPIO_RTL8366_SCK	18
+
+#ifdef CONFIG_MTD_PARTITIONS
+static struct mtd_partition nbg460n_partitions[] = {
+	{
+		.name		= "Bootbase",
+		.offset		= 0,
+		.size		= 0x010000,
+	} , {
+		.name		= "U-Boot Config",
+		.offset		= 0x010000,
+		.size		= 0x030000,
+		.mask_flags	= MTD_WRITEABLE,
+	} , {
+		.name		= "U-Boot",
+		.offset		= 0x040000,
+		.size		= 0x030000,
+		.mask_flags	= MTD_WRITEABLE,
+	} , {
+		.name		= "firmware",
+		.offset		= 0x070000,
+		.size		= 0x380000,
+		.mask_flags	= MTD_WRITEABLE,
+	} , {
+		.name		= "CalibData",
+		.offset		= 0x3f0000,
+		.size		= 0x010000,
+	}
+};
+#endif /* CONFIG_MTD_PARTITIONS */
+
+static struct flash_platform_data nbg460n_flash_data = {
+#ifdef CONFIG_MTD_PARTITIONS
+        .parts          = nbg460n_partitions,
+        .nr_parts       = ARRAY_SIZE(nbg460n_partitions),
+#endif
+};
+
+static struct gpio_led nbg460n_leds_gpio[] __initdata = {
+	{
+		.name		= "nbg460n:green:power",
+		.gpio		= NBG460N_GPIO_LED_POWER,
+		.active_low	= 0,
+		.default_trigger = "default-on",
+	}, {
+		.name		= "nbg460n:green:wps",
+		.gpio		= NBG460N_GPIO_LED_WPS,
+		.active_low	= 0,
+	}, {
+		.name		= "nbg460n:green:wlan",
+		.gpio		= NBG460N_GPIO_LED_WLAN,
+		.active_low	= 0,
+	}, {
+		/* Not really for controlling the LED,
+		   when set low the LED blinks uncontrollable  */
+		.name		= "nbg460n:green:wan",
+		.gpio		= NBG460N_GPIO_LED_WAN,
+		.active_low	= 0,
+	}
+};
+
+static struct gpio_button nbg460n_gpio_buttons[] __initdata = {
+	{
+		.desc		= "reset",
+		.type		= EV_KEY,
+		.code		= BTN_0,
+		.threshold	= 5,
+		.gpio		= NBG460N_GPIO_BTN_RESET,
+		.active_low	= 1,
+	}, {
+		.desc		= "wps",
+		.type		= EV_KEY,
+		.code		= BTN_1,
+		.threshold	= 5,
+		.gpio		= NBG460N_GPIO_BTN_WPS,
+		.active_low	= 1,
+	}
+};
+
+static struct i2c_gpio_platform_data nbg460n_i2c_device_platdata = {
+	.sda_pin	= NBG460N_GPIO_PCF8563_SDA,
+	.scl_pin	= NBG460N_GPIO_PCF8563_SCK,
+	.udelay		= 10,
+};
+
+static struct platform_device nbg460n_i2c_device = {
+	.name		= "i2c-gpio",
+	.id		= -1,
+	.num_resources	= 0,
+	.resource	= NULL,
+	.dev		= {
+		.platform_data	= &nbg460n_i2c_device_platdata,
+	},
+};
+
+static struct i2c_board_info nbg460n_i2c_devs[] __initdata = {
+	{
+		I2C_BOARD_INFO("pcf8563", 0x51),
+	},
+};
+
+static void __devinit nbg460n_i2c_init(void)
+{
+	/* The gpio interface */
+	platform_device_register(&nbg460n_i2c_device);
+	/* I2C devices */
+	i2c_register_board_info(0, nbg460n_i2c_devs,
+				ARRAY_SIZE(nbg460n_i2c_devs));
+}
+
+
+static struct rtl8366s_platform_data nbg460n_rtl8366s_data = {
+	.gpio_sda        = NBG460N_GPIO_RTL8366_SDA,
+	.gpio_sck        = NBG460N_GPIO_RTL8366_SCK,
+};
+
+static struct platform_device nbg460n_rtl8366s_device = {
+	.name		= RTL8366S_DRIVER_NAME,
+	.id		= -1,
+	.dev = {
+		.platform_data	= &nbg460n_rtl8366s_data,
+	}
+};
+
+static void __init nbg460n_setup(void)
+{
+	/* end of bootloader sector contains mac address*/
+	u8 *mac = (u8 *) KSEG1ADDR(0x1fc0fff8);
+	/* last sector contains wlan calib data */
+	u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
+
+	ar71xx_set_mac_base(mac);
+
+	/* LAN Port */
+	ar71xx_eth0_data.mii_bus_dev = &nbg460n_rtl8366s_device.dev;
+	ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
+	ar71xx_eth0_data.speed = SPEED_1000;
+	ar71xx_eth0_data.duplex = DUPLEX_FULL;
+
+	/* WAN Port */
+	ar71xx_eth1_data.mii_bus_dev = &nbg460n_rtl8366s_device.dev;
+	ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
+	ar71xx_eth1_data.phy_mask = 0x10;
+
+	ar71xx_add_device_eth(0);
+	ar71xx_add_device_eth(1);
+
+	/* register the switch phy */
+	platform_device_register(&nbg460n_rtl8366s_device);
+
+	/* register flash */
+	ar71xx_add_device_m25p80(&nbg460n_flash_data);
+
+	ar913x_add_device_wmac(eeprom, mac);
+
+	/* register RTC chip */
+	nbg460n_i2c_init();
+
+	ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(nbg460n_leds_gpio),
+					nbg460n_leds_gpio);
+
+	ar71xx_add_device_gpio_buttons(-1, NBG460N_BUTTONS_POLL_INTERVAL,
+					ARRAY_SIZE(nbg460n_gpio_buttons),
+					nbg460n_gpio_buttons);
+}
+
+MIPS_MACHINE(AR71XX_MACH_NBG460N, "NBG460N", "Zyxel NBG460N/550N/550NH", nbg460n_setup);
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/machtype.h b/target/linux/ar71xx/files/arch/mips/ar71xx/machtype.h
index a8679d9..15e5b96 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/machtype.h
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/machtype.h
@@ -35,6 +35,7 @@ enum ar71xx_mach_type {
 	AR71XX_MACH_PB92,	/* Atheros PB92 */
 	AR71XX_MACH_MZK_W04NU,	/* Planex MZK-W04NU */
 	AR71XX_MACH_MZK_W300NH,	/* Planex MZK-W300NH */
+	AR71XX_MACH_NBG460N,	/* Zyxel NBG460N/550N/550NH */
 	AR71XX_MACH_TEW_632BRP,	/* TRENDnet TEW-632BRP */
 	AR71XX_MACH_TL_WR741ND,	/* TP-LINK TL-WR741ND */
 	AR71XX_MACH_TL_WR841N_V1, /* TP-LINK TL-WR841N v1 */