text: /*
   * arch/arm/mach-orion5x/edmini_v2-setup.c
   *
   * LaCie Ethernet Disk mini V2 Setup
   *
   * Copyright (C) 2008 Christopher Moore <moore@free.fr>
   * Copyright (C) 2008 Albert Aribaud <albert.aribaud@free.fr>
   *
   * This file is licensed under the terms of the GNU General Public
   * License version 2. This program is licensed "as is" without any
   * warranty of any kind, whether express or implied.
   */
  
  /*
   * TODO: add Orion USB device port init when kernel.org support is added.
   * TODO: add flash write support: see below.
   * TODO: add power-off support.
   * TODO: add I2C EEPROM support.
   */
  
  #include <linux/kernel.h>
  #include <linux/init.h>
  #include <linux/platform_device.h>
  #include <linux/pci.h>
  #include <linux/irq.h>
  #include <linux/mtd/physmap.h>
  #include <linux/mv643xx_eth.h>
  #include <linux/leds.h>
  #include <linux/gpio_keys.h>
  #include <linux/input.h>
  #include <linux/i2c.h>
  #include <linux/ata_platform.h>
  #include <linux/gpio.h>
  #include <asm/mach-types.h>
  #include <asm/mach/arch.h>
  #include <asm/mach/pci.h>
  #include <mach/orion5x.h>
  #include "common.h"
  #include "mpp.h"
  
  /*****************************************************************************
   * EDMINI_V2 Info
   ****************************************************************************/
  
  /*
   * 512KB NOR flash Device bus boot chip select
   */
  
  #define EDMINI_V2_NOR_BOOT_BASE		0xfff80000
  #define EDMINI_V2_NOR_BOOT_SIZE		SZ_512K
  
  /*****************************************************************************
   * 512KB NOR Flash on BOOT Device
   ****************************************************************************/
  
  /*
   * Currently the MTD code does not recognize the MX29LV400CBCT as a bottom
   * -type device. This could cause risks of accidentally erasing critical
   * flash sectors. We thus define a single, write-protected partition covering
   * the whole flash.
   * TODO: once the flash part TOP/BOTTOM detection issue is sorted out in the MTD
   * code, break this into at least three partitions: 'u-boot code', 'u-boot
   * environment' and 'whatever is left'.
   */
  
  static struct mtd_partition edmini_v2_partitions[] = {
  	{
  		.name		= "Full512kb",
  		.size		= 0x00080000,
  		.offset		= 0x00000000,
  		.mask_flags	= MTD_WRITEABLE,
  	},
  };
  
  static struct physmap_flash_data edmini_v2_nor_flash_data = {
  	.width		= 1,
  	.parts		= edmini_v2_partitions,
  	.nr_parts	= ARRAY_SIZE(edmini_v2_partitions),
  };
  
  static struct resource edmini_v2_nor_flash_resource = {
  	.flags			= IORESOURCE_MEM,
  	.start			= EDMINI_V2_NOR_BOOT_BASE,
  	.end			= EDMINI_V2_NOR_BOOT_BASE
  		+ EDMINI_V2_NOR_BOOT_SIZE - 1,
  };
  
  static struct platform_device edmini_v2_nor_flash = {
  	.name			= "physmap-flash",
  	.id			= 0,
  	.dev		= {
  		.platform_data	= &edmini_v2_nor_flash_data,
  	},
  	.num_resources		= 1,
  	.resource		= &edmini_v2_nor_flash_resource,
  };
  
  /*****************************************************************************
   * Ethernet
   ****************************************************************************/
  
  static struct mv643xx_eth_platform_data edmini_v2_eth_data = {
  	.phy_addr	= 8,
  };
  
  /*****************************************************************************
   * RTC 5C372a on I2C bus
   ****************************************************************************/
  
  #define EDMINIV2_RTC_GPIO	3
  
  static struct i2c_board_info __initdata edmini_v2_i2c_rtc = {
  	I2C_BOARD_INFO("rs5c372a", 0x32),
  	.irq = 0,
  };
  
  /*****************************************************************************
   * Sata
   ****************************************************************************/
  
  static struct mv_sata_platform_data edmini_v2_sata_data = {
  	.n_ports	= 2,
  };
  
  /*****************************************************************************
   * GPIO LED (simple - doesn't use hardware blinking support)
   ****************************************************************************/
  
  #define EDMINI_V2_GPIO_LED_POWER	16
  
  static struct gpio_led edmini_v2_leds[] = {
  	{
  		.name = "power:blue",
  		.gpio = EDMINI_V2_GPIO_LED_POWER,
  		.active_low = 1,
  	},
  };
  
  static struct gpio_led_platform_data edmini_v2_led_data = {
  	.num_leds = ARRAY_SIZE(edmini_v2_leds),
  	.leds = edmini_v2_leds,
  };
  
  static struct platform_device edmini_v2_gpio_leds = {
  	.name           = "leds-gpio",
  	.id             = -1,
  	.dev            = {
  		.platform_data  = &edmini_v2_led_data,
  	},
  };
  
  /****************************************************************************
   * GPIO key
   ****************************************************************************/
  
  #define EDMINI_V2_GPIO_KEY_POWER	18
  
  static struct gpio_keys_button edmini_v2_buttons[] = {
  	{
  		.code		= KEY_POWER,
  		.gpio		= EDMINI_V2_GPIO_KEY_POWER,
  		.desc		= "Power Button",
  		.active_low	= 0,
  	},
  };
  
  static struct gpio_keys_platform_data edmini_v2_button_data = {
  	.buttons	= edmini_v2_buttons,
  	.nbuttons	= ARRAY_SIZE(edmini_v2_buttons),
  };
  
  static struct platform_device edmini_v2_gpio_buttons = {
  	.name		= "gpio-keys",
  	.id		= -1,
  	.dev		= {
  		.platform_data	= &edmini_v2_button_data,
  	},
  };
  
  /*****************************************************************************
   * General Setup
   ****************************************************************************/
  static unsigned int edminiv2_mpp_modes[] __initdata = {
  	MPP0_UNUSED,
  	MPP1_UNUSED,
  	MPP2_UNUSED,
  	MPP3_GPIO,	/* RTC interrupt */
  	MPP4_UNUSED,
  	MPP5_UNUSED,
  	MPP6_UNUSED,
  	MPP7_UNUSED,
  	MPP8_UNUSED,
  	MPP9_UNUSED,
  	MPP10_UNUSED,
  	MPP11_UNUSED,
  	MPP12_SATA_LED,	/* SATA 0 presence */
  	MPP13_SATA_LED,	/* SATA 1 presence */
  	MPP14_SATA_LED,	/* SATA 0 active */
  	MPP15_SATA_LED,	/* SATA 1 active */
  	/* 16: Power LED control (0 = On, 1 = Off) */
  	MPP16_GPIO,
  	/* 17: Power LED control select (0 = CPLD, 1 = GPIO16) */
  	MPP17_GPIO,
  	/* 18: Power button status (0 = Released, 1 = Pressed) */
  	MPP18_GPIO,
  	MPP19_UNUSED,
  	0,
  };
  
  static void __init edmini_v2_init(void)
  {
  	/*
  	 * Setup basic Orion functions. Need to be called early.
  	 */
  	orion5x_init();
  
  	orion5x_mpp_conf(edminiv2_mpp_modes);
  
  	/*
  	 * Configure peripherals.
  	 */
  	orion5x_ehci0_init();
  	orion5x_eth_init(&edmini_v2_eth_data);
  	orion5x_i2c_init();
  	orion5x_sata_init(&edmini_v2_sata_data);
  	orion5x_uart0_init();
  
  	orion5x_setup_dev_boot_win(EDMINI_V2_NOR_BOOT_BASE,
  				EDMINI_V2_NOR_BOOT_SIZE);
  	platform_device_register(&edmini_v2_nor_flash);
  	platform_device_register(&edmini_v2_gpio_leds);
  	platform_device_register(&edmini_v2_gpio_buttons);
  
  	pr_notice("edmini_v2: USB device port, flash write and power-off "
  		  "are not yet supported.\n");
  
  	/* Get RTC IRQ and register the chip */
  	if (gpio_request(EDMINIV2_RTC_GPIO, "rtc") == 0) {
  		if (gpio_direction_input(EDMINIV2_RTC_GPIO) == 0)
  			edmini_v2_i2c_rtc.irq = gpio_to_irq(EDMINIV2_RTC_GPIO);
  		else
  			gpio_free(EDMINIV2_RTC_GPIO);
  	}
  
  	if (edmini_v2_i2c_rtc.irq == 0)
  		pr_warning("edmini_v2: failed to get RTC IRQ\n");
  
  	i2c_register_board_info(0, &edmini_v2_i2c_rtc, 1);
  }
  
  /* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
  MACHINE_START(EDMINI_V2, "LaCie Ethernet Disk mini V2")
  	/* Maintainer: Christopher Moore <moore@free.fr> */
  	.atag_offset	= 0x100,
  	.init_machine	= edmini_v2_init,
  	.map_io		= orion5x_map_io,
  	.init_early	= orion5x_init_early,
  	.init_irq	= orion5x_init_irq,
  	.timer		= &orion5x_timer,
  	.fixup		= tag_fixup_mem32,
  	.restart	= orion5x_restart,
  MACHINE_END
  