/*
   * arch/arm/mach-iop32x/glantank.c
   *
   * Board support code for the GLAN Tank.
   *

   * Copyright (C) 2006, 2007 Martin Michlmayr <tbm@cyrius.com>

   * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
   *
   * 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/mm.h>
  #include <linux/init.h>

  #include <linux/f75375s.h>

  #include <linux/kernel.h>
  #include <linux/pci.h>

  #include <linux/pm.h>

  #include <linux/string.h>

  #include <linux/serial_core.h>
  #include <linux/serial_8250.h>
  #include <linux/mtd/physmap.h>

  #include <linux/i2c.h>

  #include <linux/platform_device.h>

  #include <linux/io.h>

  #include <mach/hardware.h>

  #include <asm/irq.h>
  #include <asm/mach/arch.h>
  #include <asm/mach/map.h>
  #include <asm/mach/pci.h>
  #include <asm/mach/time.h>
  #include <asm/mach-types.h>
  #include <asm/page.h>

  #include <mach/time.h>

  
  /*
   * GLAN Tank timer tick configuration.
   */
  static void __init glantank_timer_init(void)
  {
  	/* 33.333 MHz crystal.  */

  	iop_init_time(200000000);

  }
  
  static struct sys_timer glantank_timer = {
  	.init		= glantank_timer_init,

  };
  
  
  /*
   * GLAN Tank I/O.
   */
  static struct map_desc glantank_io_desc[] __initdata = {
  	{	/* on-board devices */
  		.virtual	= GLANTANK_UART,
  		.pfn		= __phys_to_pfn(GLANTANK_UART),
  		.length		= 0x00100000,
  		.type		= MT_DEVICE
  	},
  };
  
  void __init glantank_map_io(void)
  {
  	iop3xx_map_io();
  	iotable_init(glantank_io_desc, ARRAY_SIZE(glantank_io_desc));
  }
  
  
  /*
   * GLAN Tank PCI.
   */
  #define INTA	IRQ_IOP32X_XINT0
  #define INTB	IRQ_IOP32X_XINT1
  #define INTC	IRQ_IOP32X_XINT2
  #define INTD	IRQ_IOP32X_XINT3

  static int __init

  glantank_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)

  {
  	static int pci_irq_table[][4] = {
  		/*
  		 * PCI IDSEL/INTPIN->INTLINE
  		 * A       B       C       D
  		 */
  		{INTD, INTD, INTD, INTD}, /* UART (8250) */
  		{INTA, INTA, INTA, INTA}, /* Ethernet (E1000) */
  		{INTB, INTB, INTB, INTB}, /* IDE (AEC6280R) */
  		{INTC, INTC, INTC, INTC}, /* USB (NEC) */
  	};
  
  	BUG_ON(pin < 1 || pin > 4);
  
  	return pci_irq_table[slot % 4][pin - 1];
  }
  
  static struct hw_pci glantank_pci __initdata = {
  	.swizzle	= pci_std_swizzle,
  	.nr_controllers = 1,
  	.setup		= iop3xx_pci_setup,
  	.preinit	= iop3xx_pci_preinit,
  	.scan		= iop3xx_pci_scan_bus,
  	.map_irq	= glantank_pci_map_irq,
  };
  
  static int __init glantank_pci_init(void)
  {
  	if (machine_is_glantank())
  		pci_common_init(&glantank_pci);
  
  	return 0;
  }
  
  subsys_initcall(glantank_pci_init);
  
  
  /*
   * GLAN Tank machine initialization.
   */
  static struct physmap_flash_data glantank_flash_data = {

  	.width		= 2,

  };
  
  static struct resource glantank_flash_resource = {
  	.start		= 0xf0000000,
  	.end		= 0xf007ffff,
  	.flags		= IORESOURCE_MEM,
  };
  
  static struct platform_device glantank_flash_device = {
  	.name		= "physmap-flash",
  	.id		= 0,
  	.dev		= {
  		.platform_data	= &glantank_flash_data,
  	},
  	.num_resources	= 1,
  	.resource	= &glantank_flash_resource,
  };
  
  static struct plat_serial8250_port glantank_serial_port[] = {
  	{
  		.mapbase	= GLANTANK_UART,
  		.membase	= (char *)GLANTANK_UART,
  		.irq		= IRQ_IOP32X_XINT3,
  		.flags		= UPF_SKIP_TEST,
  		.iotype		= UPIO_MEM,
  		.regshift	= 0,
  		.uartclk	= 1843200,
  	},
  	{ },
  };
  
  static struct resource glantank_uart_resource = {
  	.start		= GLANTANK_UART,
  	.end		= GLANTANK_UART + 7,
  	.flags		= IORESOURCE_MEM,
  };
  
  static struct platform_device glantank_serial_device = {
  	.name		= "serial8250",
  	.id		= PLAT8250_DEV_PLATFORM,
  	.dev		= {
  		.platform_data		= glantank_serial_port,
  	},
  	.num_resources	= 1,
  	.resource	= &glantank_uart_resource,
  };

  static struct f75375s_platform_data glantank_f75375s = {
  	.pwm		= { 255, 255 },
  	.pwm_enable	= { 0, 0 },
  };

  static struct i2c_board_info __initdata glantank_i2c_devices[] = {
  	{

  		I2C_BOARD_INFO("rs5c372a", 0x32),

  	},

  	{
  		I2C_BOARD_INFO("f75375", 0x2e),

  		.platform_data = &glantank_f75375s,
  	},

  };

  static void glantank_power_off(void)
  {
  	__raw_writeb(0x01, 0xfe8d0004);
  
  	while (1)
  		;
  }
  
  static void __init glantank_init_machine(void)
  {
  	platform_device_register(&iop3xx_i2c0_device);
  	platform_device_register(&iop3xx_i2c1_device);
  	platform_device_register(&glantank_flash_device);
  	platform_device_register(&glantank_serial_device);

  	platform_device_register(&iop3xx_dma_0_channel);
  	platform_device_register(&iop3xx_dma_1_channel);

  	i2c_register_board_info(0, glantank_i2c_devices,
  		ARRAY_SIZE(glantank_i2c_devices));

  	pm_power_off = glantank_power_off;
  }
  
  MACHINE_START(GLANTANK, "GLAN Tank")
  	/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */

  	.atag_offset	= 0x100,

  	.map_io		= glantank_map_io,
  	.init_irq	= iop32x_init_irq,
  	.timer		= &glantank_timer,
  	.init_machine	= glantank_init_machine,

  	.restart	= iop3xx_restart,

  MACHINE_END