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/*
* 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/delay.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <linux/i2c-gpio.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/platform_device.h>
#include <linux/rtl8366.h>
#include <asm/mach-ath79/ath79.h>
#include "dev-eth.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-m25p80.h"
#include "dev-wmac.h"
#include "machtypes.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_KEYS_POLL_INTERVAL 20 /* msecs */
#define NBG460N_KEYS_DEBOUNCE_INTERVAL (3 * NBG460N_KEYS_POLL_INTERVAL)
/* 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
static struct mtd_partition nbg460n_partitions[] = {
{
.name = "Bootbase",
.offset = 0,
.size = 0x010000,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "U-Boot Config",
.offset = 0x010000,
.size = 0x030000,
}, {
.name = "U-Boot",
.offset = 0x040000,
.size = 0x030000,
}, {
.name = "linux",
.offset = 0x070000,
.size = 0x0e0000,
}, {
.name = "rootfs",
.offset = 0x150000,
.size = 0x2a0000,
}, {
.name = "CalibData",
.offset = 0x3f0000,
.size = 0x010000,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "firmware",
.offset = 0x070000,
.size = 0x380000,
}
};
static struct flash_platform_data nbg460n_flash_data = {
.parts = nbg460n_partitions,
.nr_parts = ARRAY_SIZE(nbg460n_partitions),
};
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_keys_button nbg460n_gpio_keys[] __initdata = {
{
.desc = "reset",
.type = EV_KEY,
.code = KEY_RESTART,
.debounce_interval = NBG460N_KEYS_DEBOUNCE_INTERVAL,
.gpio = NBG460N_GPIO_BTN_RESET,
.active_low = 1,
}, {
.desc = "wps",
.type = EV_KEY,
.code = KEY_WPS_BUTTON,
.debounce_interval = NBG460N_KEYS_DEBOUNCE_INTERVAL,
.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 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 rtl8366_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);
/* LAN Port */
ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
ath79_eth0_data.mii_bus_dev = &nbg460n_rtl8366s_device.dev;
ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ath79_eth0_data.speed = SPEED_1000;
ath79_eth0_data.duplex = DUPLEX_FULL;
/* WAN Port */
ath79_init_mac(ath79_eth1_data.mac_addr, mac, 1);
ath79_eth1_data.mii_bus_dev = &nbg460n_rtl8366s_device.dev;
ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ath79_eth1_data.phy_mask = 0x10;
ath79_register_eth(0);
ath79_register_eth(1);
/* register the switch phy */
platform_device_register(&nbg460n_rtl8366s_device);
/* register flash */
ath79_register_m25p80(&nbg460n_flash_data);
ath79_register_wmac(eeprom, mac);
/* register RTC chip */
nbg460n_i2c_init();
ath79_register_leds_gpio(-1, ARRAY_SIZE(nbg460n_leds_gpio),
nbg460n_leds_gpio);
ath79_register_gpio_keys_polled(-1, NBG460N_KEYS_POLL_INTERVAL,
ARRAY_SIZE(nbg460n_gpio_keys),
nbg460n_gpio_keys);
}
MIPS_MACHINE(ATH79_MACH_NBG460N, "NBG460N", "Zyxel NBG460N/550N/550NH",
nbg460n_setup);
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