/*
   *
   * QNAP TS-410, TS-410U, TS-419P and TS-419U Turbo NAS Board Setup
   *
   * Copyright (C) 2009-2010  Martin Michlmayr <tbm@cyrius.com>
   * Copyright (C) 2008  Byron Bradley <byron.bbradley@gmail.com>
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License
   * as published by the Free Software Foundation; either version
   * 2 of the License, or (at your option) any later version.
   */
  
  #include <linux/kernel.h>
  #include <linux/init.h>
  #include <linux/platform_device.h>
  #include <linux/i2c.h>
  #include <linux/mv643xx_eth.h>
  #include <linux/ata_platform.h>
  #include <linux/gpio.h>
  #include <linux/gpio_keys.h>
  #include <linux/input.h>
  #include <linux/io.h>
  #include <asm/mach-types.h>
  #include <asm/mach/arch.h>
  #include <mach/kirkwood.h>
  #include "common.h"
  #include "mpp.h"
  #include "tsx1x-common.h"
  
  /* for the PCIe reset workaround */
  #include <plat/pcie.h>
  
  
  #define QNAP_TS41X_JUMPER_JP1	45
  
  static struct i2c_board_info __initdata qnap_ts41x_i2c_rtc = {
  	I2C_BOARD_INFO("s35390a", 0x30),
  };
  
  static struct mv643xx_eth_platform_data qnap_ts41x_ge00_data = {
  	.phy_addr	= MV643XX_ETH_PHY_ADDR(8),
  };
  
  static struct mv643xx_eth_platform_data qnap_ts41x_ge01_data = {
  	.phy_addr	= MV643XX_ETH_PHY_ADDR(0),
  };
  
  static struct mv_sata_platform_data qnap_ts41x_sata_data = {
  	.n_ports	= 2,
  };
  
  static struct gpio_keys_button qnap_ts41x_buttons[] = {
  	{
  		.code		= KEY_COPY,
  		.gpio		= 43,
  		.desc		= "USB Copy",
  		.active_low	= 1,
  	},
  	{
  		.code		= KEY_RESTART,
  		.gpio		= 37,
  		.desc		= "Reset",
  		.active_low	= 1,
  	},
  };
  
  static struct gpio_keys_platform_data qnap_ts41x_button_data = {
  	.buttons	= qnap_ts41x_buttons,
  	.nbuttons	= ARRAY_SIZE(qnap_ts41x_buttons),
  };
  
  static struct platform_device qnap_ts41x_button_device = {
  	.name		= "gpio-keys",
  	.id		= -1,
  	.num_resources	= 0,
  	.dev		= {
  		.platform_data	= &qnap_ts41x_button_data,
  	}
  };
  
  static unsigned int qnap_ts41x_mpp_config[] __initdata = {
  	MPP0_SPI_SCn,
  	MPP1_SPI_MOSI,
  	MPP2_SPI_SCK,
  	MPP3_SPI_MISO,
  	MPP6_SYSRST_OUTn,
  	MPP7_PEX_RST_OUTn,
  	MPP8_TW0_SDA,
  	MPP9_TW0_SCK,
  	MPP10_UART0_TXD,
  	MPP11_UART0_RXD,
  	MPP13_UART1_TXD,	/* PIC controller */
  	MPP14_UART1_RXD,	/* PIC controller */
  	MPP15_SATA0_ACTn,
  	MPP16_SATA1_ACTn,
  	MPP20_GE1_TXD0,
  	MPP21_GE1_TXD1,
  	MPP22_GE1_TXD2,
  	MPP23_GE1_TXD3,
  	MPP24_GE1_RXD0,
  	MPP25_GE1_RXD1,
  	MPP26_GE1_RXD2,
  	MPP27_GE1_RXD3,
  	MPP30_GE1_RXCTL,
  	MPP31_GE1_RXCLK,
  	MPP32_GE1_TCLKOUT,
  	MPP33_GE1_TXCTL,
  	MPP36_GPIO,		/* RAM: 0: 256 MB, 1: 512 MB */
  	MPP37_GPIO,		/* Reset button */
  	MPP43_GPIO,		/* USB Copy button */
  	MPP44_GPIO,		/* Board ID: 0: TS-419U, 1: TS-419 */
  	MPP45_GPIO,		/* JP1: 0: LCD, 1: serial console */
  	MPP46_GPIO,		/* External SATA HDD1 error indicator */
  	MPP47_GPIO,		/* External SATA HDD2 error indicator */
  	MPP48_GPIO,		/* External SATA HDD3 error indicator */
  	MPP49_GPIO,		/* External SATA HDD4 error indicator */
  	0
  };
  
  static void __init qnap_ts41x_init(void)
  {
  	u32 dev, rev;
  
  	/*
  	 * Basic setup. Needs to be called early.
  	 */
  	kirkwood_init();
  	kirkwood_mpp_conf(qnap_ts41x_mpp_config);
  
  	kirkwood_uart0_init();
  	kirkwood_uart1_init(); /* A PIC controller is connected here. */
  	qnap_tsx1x_register_flash();
  	kirkwood_i2c_init();
  	i2c_register_board_info(0, &qnap_ts41x_i2c_rtc, 1);
  
  	kirkwood_pcie_id(&dev, &rev);
  	if (dev == MV88F6282_DEV_ID) {
  		qnap_ts41x_ge00_data.phy_addr = MV643XX_ETH_PHY_ADDR(0);
  		qnap_ts41x_ge01_data.phy_addr = MV643XX_ETH_PHY_ADDR(1);
  	}
  	kirkwood_ge00_init(&qnap_ts41x_ge00_data);
  	kirkwood_ge01_init(&qnap_ts41x_ge01_data);
  
  	kirkwood_sata_init(&qnap_ts41x_sata_data);
  	kirkwood_ehci_init();
  	platform_device_register(&qnap_ts41x_button_device);
  
  	pm_power_off = qnap_tsx1x_power_off;
  
  	if (gpio_request(QNAP_TS41X_JUMPER_JP1, "JP1") == 0)
  		gpio_export(QNAP_TS41X_JUMPER_JP1, 0);
  }
  
  static int __init ts41x_pci_init(void)
  {
  	if (machine_is_ts41x()) {
  		u32 dev, rev;
  
  		/*
  		 * Without this explicit reset, the PCIe SATA controller
  		 * (Marvell 88sx7042/sata_mv) is known to stop working
  		 * after a few minutes.
  		 */
  		orion_pcie_reset(PCIE_VIRT_BASE);
  
  		kirkwood_pcie_id(&dev, &rev);
  		if (dev == MV88F6282_DEV_ID)
  			kirkwood_pcie_init(KW_PCIE1 | KW_PCIE0);
  		else
  			kirkwood_pcie_init(KW_PCIE0);
  	}
  	return 0;
  }
  subsys_initcall(ts41x_pci_init);
  
  MACHINE_START(TS41X, "QNAP TS-41x")
  	/* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
  	.atag_offset	= 0x100,
  	.init_machine	= qnap_ts41x_init,
  	.map_io		= kirkwood_map_io,
  	.init_early	= kirkwood_init_early,
  	.init_irq	= kirkwood_init_irq,
  	.init_time	= kirkwood_timer_init,
  	.restart	= kirkwood_restart,
  MACHINE_END