325 lines
		
	
	
		
			8.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			325 lines
		
	
	
		
			8.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * QNAP TS-409 Board Setup
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 *
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 * Maintainer: Sylver Bruneau <sylver.bruneau@gmail.com>
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 *
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 * Copyright (C) 2008  Sylver Bruneau <sylver.bruneau@gmail.com>
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 * Copyright (C) 2008  Martin Michlmayr <tbm@cyrius.com>
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version
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 * 2 of the License, or (at your option) any later version.
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 */
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#include <linux/gpio.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/pci.h>
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#include <linux/irq.h>
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#include <linux/mtd/physmap.h>
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#include <linux/mv643xx_eth.h>
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#include <linux/leds.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <linux/i2c.h>
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#include <linux/serial_reg.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/pci.h>
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#include "common.h"
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#include "mpp.h"
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#include "orion5x.h"
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#include "tsx09-common.h"
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/*****************************************************************************
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 * QNAP TS-409 Info
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 ****************************************************************************/
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/*
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 * QNAP TS-409 hardware :
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 * - Marvell 88F5281-D0
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 * - Marvell 88SX7042 SATA controller (PCIe)
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 * - Marvell 88E1118 Gigabit Ethernet PHY
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 * - RTC S35390A (@0x30) on I2C bus
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 * - 8MB NOR flash
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 * - 256MB of DDR-2 RAM
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 */
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/*
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 * 8MB NOR flash Device bus boot chip select
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 */
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#define QNAP_TS409_NOR_BOOT_BASE 0xff800000
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#define QNAP_TS409_NOR_BOOT_SIZE SZ_8M
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/****************************************************************************
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 * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
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 *     partitions on the device because we want to keep compatibility with
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 *     existing QNAP firmware.
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 *
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 * Layout as used by QNAP:
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 *  [2] 0x00000000-0x00200000 : "Kernel"
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 *  [3] 0x00200000-0x00600000 : "RootFS1"
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 *  [4] 0x00600000-0x00700000 : "RootFS2"
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 *  [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
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 *  [5] 0x00760000-0x00780000 : "U-Boot Config"
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 *  [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
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 ***************************************************************************/
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static struct mtd_partition qnap_ts409_partitions[] = {
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	{
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		.name		= "U-Boot",
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		.size		= 0x00080000,
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		.offset		= 0x00780000,
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		.mask_flags	= MTD_WRITEABLE,
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	}, {
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		.name		= "Kernel",
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		.size		= 0x00200000,
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		.offset		= 0,
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	}, {
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		.name		= "RootFS1",
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		.size		= 0x00400000,
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		.offset		= 0x00200000,
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	}, {
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		.name		= "RootFS2",
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		.size		= 0x00100000,
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		.offset		= 0x00600000,
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	}, {
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		.name		= "U-Boot Config",
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		.size		= 0x00020000,
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		.offset		= 0x00760000,
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	}, {
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		.name		= "NAS Config",
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		.size		= 0x00060000,
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		.offset		= 0x00700000,
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		.mask_flags	= MTD_WRITEABLE,
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	},
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};
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static struct physmap_flash_data qnap_ts409_nor_flash_data = {
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	.width		= 1,
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	.parts		= qnap_ts409_partitions,
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	.nr_parts	= ARRAY_SIZE(qnap_ts409_partitions)
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};
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static struct resource qnap_ts409_nor_flash_resource = {
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	.flags	= IORESOURCE_MEM,
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	.start	= QNAP_TS409_NOR_BOOT_BASE,
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	.end	= QNAP_TS409_NOR_BOOT_BASE + QNAP_TS409_NOR_BOOT_SIZE - 1,
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};
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static struct platform_device qnap_ts409_nor_flash = {
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	.name		= "physmap-flash",
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	.id		= 0,
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	.dev		= { .platform_data = &qnap_ts409_nor_flash_data, },
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	.num_resources	= 1,
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	.resource	= &qnap_ts409_nor_flash_resource,
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};
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/*****************************************************************************
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 * PCI
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 ****************************************************************************/
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static int __init qnap_ts409_pci_map_irq(const struct pci_dev *dev, u8 slot,
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	u8 pin)
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{
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	int irq;
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	/*
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	 * Check for devices with hard-wired IRQs.
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	 */
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	irq = orion5x_pci_map_irq(dev, slot, pin);
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	if (irq != -1)
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		return irq;
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	/*
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	 * PCI isn't used on the TS-409
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	 */
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	return -1;
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}
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static struct hw_pci qnap_ts409_pci __initdata = {
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	.nr_controllers	= 2,
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	.setup		= orion5x_pci_sys_setup,
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	.scan		= orion5x_pci_sys_scan_bus,
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	.map_irq	= qnap_ts409_pci_map_irq,
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};
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static int __init qnap_ts409_pci_init(void)
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{
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	if (machine_is_ts409())
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		pci_common_init(&qnap_ts409_pci);
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	return 0;
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}
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subsys_initcall(qnap_ts409_pci_init);
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/*****************************************************************************
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 * RTC S35390A on I2C bus
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 ****************************************************************************/
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#define TS409_RTC_GPIO	10
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static struct i2c_board_info __initdata qnap_ts409_i2c_rtc = {
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	I2C_BOARD_INFO("s35390a", 0x30),
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};
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/*****************************************************************************
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 * LEDs attached to GPIO
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 ****************************************************************************/
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static struct gpio_led ts409_led_pins[] = {
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	{
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		.name		= "ts409:red:sata1",
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		.gpio		= 4,
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		.active_low	= 1,
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	}, {
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		.name		= "ts409:red:sata2",
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		.gpio		= 5,
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		.active_low	= 1,
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	}, {
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		.name		= "ts409:red:sata3",
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		.gpio		= 6,
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		.active_low	= 1,
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	}, {
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		.name		= "ts409:red:sata4",
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		.gpio		= 7,
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		.active_low	= 1,
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	},
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};
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static struct gpio_led_platform_data ts409_led_data = {
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	.leds		= ts409_led_pins,
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	.num_leds	= ARRAY_SIZE(ts409_led_pins),
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};
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static struct platform_device ts409_leds = {
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	.name	= "leds-gpio",
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	.id	= -1,
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	.dev	= {
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		.platform_data	= &ts409_led_data,
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	},
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};
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/****************************************************************************
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 * GPIO Attached Keys
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 *     Power button is attached to the PIC microcontroller
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 ****************************************************************************/
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#define QNAP_TS409_GPIO_KEY_RESET	14
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#define QNAP_TS409_GPIO_KEY_MEDIA	15
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static struct gpio_keys_button qnap_ts409_buttons[] = {
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	{
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		.code		= KEY_RESTART,
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		.gpio		= QNAP_TS409_GPIO_KEY_RESET,
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		.desc		= "Reset Button",
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		.active_low	= 1,
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	}, {
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		.code		= KEY_COPY,
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		.gpio		= QNAP_TS409_GPIO_KEY_MEDIA,
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		.desc		= "USB Copy Button",
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		.active_low	= 1,
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	},
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};
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static struct gpio_keys_platform_data qnap_ts409_button_data = {
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	.buttons	= qnap_ts409_buttons,
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	.nbuttons	= ARRAY_SIZE(qnap_ts409_buttons),
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};
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static struct platform_device qnap_ts409_button_device = {
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	.name		= "gpio-keys",
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	.id		= -1,
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	.num_resources	= 0,
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	.dev		= {
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		.platform_data	= &qnap_ts409_button_data,
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	},
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};
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/*****************************************************************************
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 * General Setup
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 ****************************************************************************/
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static unsigned int ts409_mpp_modes[] __initdata = {
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	MPP0_UNUSED,
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	MPP1_UNUSED,
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	MPP2_UNUSED,
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	MPP3_UNUSED,
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	MPP4_GPIO,		/* HDD 1 status */
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	MPP5_GPIO,		/* HDD 2 status */
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	MPP6_GPIO,		/* HDD 3 status */
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	MPP7_GPIO,		/* HDD 4 status */
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	MPP8_UNUSED,
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	MPP9_UNUSED,
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	MPP10_GPIO,		/* RTC int */
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	MPP11_UNUSED,
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	MPP12_UNUSED,
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	MPP13_UNUSED,
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	MPP14_GPIO,		/* SW_RST */
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	MPP15_GPIO,		/* USB copy button */
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	MPP16_UART,		/* UART1 RXD */
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	MPP17_UART,		/* UART1 TXD */
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	MPP18_UNUSED,
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	MPP19_UNUSED,
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	0,
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};
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static void __init qnap_ts409_init(void)
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{
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	/*
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	 * Setup basic Orion functions. Need to be called early.
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	 */
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	orion5x_init();
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	orion5x_mpp_conf(ts409_mpp_modes);
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	/*
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	 * Configure peripherals.
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	 */
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	mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
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				    ORION_MBUS_DEVBUS_BOOT_ATTR,
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				    QNAP_TS409_NOR_BOOT_BASE,
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				    QNAP_TS409_NOR_BOOT_SIZE);
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	platform_device_register(&qnap_ts409_nor_flash);
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	orion5x_ehci0_init();
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	qnap_tsx09_find_mac_addr(QNAP_TS409_NOR_BOOT_BASE +
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				 qnap_ts409_partitions[5].offset,
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				 qnap_ts409_partitions[5].size);
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	orion5x_eth_init(&qnap_tsx09_eth_data);
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	orion5x_i2c_init();
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	orion5x_uart0_init();
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	orion5x_uart1_init();
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	platform_device_register(&qnap_ts409_button_device);
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	/* Get RTC IRQ and register the chip */
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	if (gpio_request(TS409_RTC_GPIO, "rtc") == 0) {
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		if (gpio_direction_input(TS409_RTC_GPIO) == 0)
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			qnap_ts409_i2c_rtc.irq = gpio_to_irq(TS409_RTC_GPIO);
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		else
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			gpio_free(TS409_RTC_GPIO);
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	}
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	if (qnap_ts409_i2c_rtc.irq == 0)
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		pr_warn("qnap_ts409_init: failed to get RTC IRQ\n");
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	i2c_register_board_info(0, &qnap_ts409_i2c_rtc, 1);
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	platform_device_register(&ts409_leds);
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	/* register tsx09 specific power-off method */
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	pm_power_off = qnap_tsx09_power_off;
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}
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MACHINE_START(TS409, "QNAP TS-409")
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	/* Maintainer:  Sylver Bruneau <sylver.bruneau@gmail.com> */
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	.atag_offset	= 0x100,
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	.nr_irqs	= ORION5X_NR_IRQS,
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	.init_machine	= qnap_ts409_init,
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	.map_io		= orion5x_map_io,
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	.init_early	= orion5x_init_early,
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	.init_irq	= orion5x_init_irq,
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	.init_time	= orion5x_timer_init,
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	.fixup		= tag_fixup_mem32,
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	.restart	= orion5x_restart,
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MACHINE_END
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