/* linux/arch/arm/mach-s3c2410/mach-vr1000.c
   *

   * Copyright (c) 2003-2008 Simtec Electronics

   *   Ben Dooks <ben@simtec.co.uk>
   *
   * Machine support for Thorcom VR1000 board. Designed for Thorcom by
   * Simtec Electronics, http://www.simtec.co.uk/
   *
   * 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/kernel.h>
  #include <linux/types.h>
  #include <linux/interrupt.h>
  #include <linux/list.h>
  #include <linux/timer.h>
  #include <linux/init.h>

  #include <linux/gpio.h>

  #include <linux/dm9000.h>

  #include <linux/i2c.h>

  
  #include <linux/serial.h>
  #include <linux/tty.h>
  #include <linux/serial_8250.h>
  #include <linux/serial_reg.h>

  #include <linux/io.h>

  
  #include <asm/mach/arch.h>
  #include <asm/mach/map.h>
  #include <asm/mach/irq.h>

  #include <mach/bast-map.h>
  #include <mach/vr1000-map.h>
  #include <mach/vr1000-irq.h>
  #include <mach/vr1000-cpld.h>

  #include <mach/hardware.h>

  #include <asm/irq.h>
  #include <asm/mach-types.h>

  #include <plat/regs-serial.h>

  #include <mach/regs-gpio.h>
  #include <mach/leds-gpio.h>

  #include <plat/clock.h>

  #include <plat/devs.h>
  #include <plat/cpu.h>

  #include <plat/iic.h>

  #include <plat/audio-simtec.h>

  #include "usb-simtec.h"

  #include "nor-simtec.h"

  
  /* macros for virtual address mods for the io space entries */
  #define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5)
  #define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4)
  #define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3)
  #define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2)
  
  /* macros to modify the physical addresses for io space */

  #define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2))
  #define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3))
  #define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4))
  #define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5))

  
  static struct map_desc vr1000_iodesc[] __initdata = {
    /* ISA IO areas */

    {
  	  .virtual	= (u32)S3C24XX_VA_ISA_BYTE,
  	  .pfn		= PA_CS2(BAST_PA_ISAIO),
  	  .length	= SZ_16M,
  	  .type		= MT_DEVICE,
    }, {
  	  .virtual	= (u32)S3C24XX_VA_ISA_WORD,
  	  .pfn		= PA_CS3(BAST_PA_ISAIO),
  	  .length	= SZ_16M,
  	  .type		= MT_DEVICE,
    },
  
    /*  CPLD control registers, and external interrupt controls */
    {
  	  .virtual	= (u32)VR1000_VA_CTRL1,
  	  .pfn		= __phys_to_pfn(VR1000_PA_CTRL1),
  	  .length	= SZ_1M,
  	  .type		= MT_DEVICE,
    }, {
  	  .virtual	= (u32)VR1000_VA_CTRL2,
  	  .pfn		= __phys_to_pfn(VR1000_PA_CTRL2),
  	  .length	= SZ_1M,
  	  .type		= MT_DEVICE,
    }, {
  	  .virtual	= (u32)VR1000_VA_CTRL3,
  	  .pfn		= __phys_to_pfn(VR1000_PA_CTRL3),
  	  .length	= SZ_1M,
  	  .type		= MT_DEVICE,
    }, {
  	  .virtual	= (u32)VR1000_VA_CTRL4,
  	  .pfn		= __phys_to_pfn(VR1000_PA_CTRL4),
  	  .length	= SZ_1M,
  	  .type		= MT_DEVICE,
    },

  };
  
  #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  
  /* uart clock source(s) */
  
  static struct s3c24xx_uart_clksrc vr1000_serial_clocks[] = {
  	[0] = {
  		.name		= "uclk",
  		.divisor	= 1,
  		.min_baud	= 0,
  		.max_baud	= 0,
  	},
  	[1] = {
  		.name		= "pclk",
  		.divisor	= 1,
  		.min_baud	= 0,
  		.max_baud	= 0.
  	}
  };

  static struct s3c2410_uartcfg vr1000_uartcfgs[] __initdata = {

  	[0] = {
  		.hwport	     = 0,
  		.flags	     = 0,
  		.ucon	     = UCON,
  		.ulcon	     = ULCON,
  		.ufcon	     = UFCON,
  		.clocks	     = vr1000_serial_clocks,
  		.clocks_size = ARRAY_SIZE(vr1000_serial_clocks),
  	},
  	[1] = {
  		.hwport	     = 1,
  		.flags	     = 0,
  		.ucon	     = UCON,
  		.ulcon	     = ULCON,
  		.ufcon	     = UFCON,
  		.clocks	     = vr1000_serial_clocks,
  		.clocks_size = ARRAY_SIZE(vr1000_serial_clocks),
  	},
  	/* port 2 is not actually used */
  	[2] = {
  		.hwport	     = 2,
  		.flags	     = 0,
  		.ucon	     = UCON,
  		.ulcon	     = ULCON,
  		.ufcon	     = UFCON,
  		.clocks	     = vr1000_serial_clocks,
  		.clocks_size = ARRAY_SIZE(vr1000_serial_clocks),
  
  	}
  };
  
  /* definitions for the vr1000 extra 16550 serial ports */
  
  #define VR1000_BAUDBASE (3692307)
  
  #define VR1000_SERIAL_MAPBASE(x) (VR1000_PA_SERIAL + 0x80 + ((x) << 5))
  
  static struct plat_serial8250_port serial_platform_data[] = {
  	[0] = {
  		.mapbase	= VR1000_SERIAL_MAPBASE(0),
  		.irq		= IRQ_VR1000_SERIAL + 0,
  		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,
  		.iotype		= UPIO_MEM,
  		.regshift	= 0,
  		.uartclk	= VR1000_BAUDBASE,
  	},
  	[1] = {
  		.mapbase	= VR1000_SERIAL_MAPBASE(1),
  		.irq		= IRQ_VR1000_SERIAL + 1,
  		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,
  		.iotype		= UPIO_MEM,
  		.regshift	= 0,
  		.uartclk	= VR1000_BAUDBASE,
  	},
  	[2] = {
  		.mapbase	= VR1000_SERIAL_MAPBASE(2),
  		.irq		= IRQ_VR1000_SERIAL + 2,
  		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,
  		.iotype		= UPIO_MEM,
  		.regshift	= 0,
  		.uartclk	= VR1000_BAUDBASE,
  	},
  	[3] = {
  		.mapbase	= VR1000_SERIAL_MAPBASE(3),
  		.irq		= IRQ_VR1000_SERIAL + 3,
  		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,
  		.iotype		= UPIO_MEM,
  		.regshift	= 0,
  		.uartclk	= VR1000_BAUDBASE,
  	},
  	{ },
  };
  
  static struct platform_device serial_device = {
  	.name			= "serial8250",

  	.id			= PLAT8250_DEV_PLATFORM,

  	.dev			= {
  		.platform_data	= serial_platform_data,
  	},
  };

  /* DM9000 ethernet devices */
  
  static struct resource vr1000_dm9k0_resource[] = {
  	[0] = {
  		.start = S3C2410_CS5 + VR1000_PA_DM9000,
  		.end   = S3C2410_CS5 + VR1000_PA_DM9000 + 3,
  		.flags = IORESOURCE_MEM
  	},
  	[1] = {
  		.start = S3C2410_CS5 + VR1000_PA_DM9000 + 0x40,
  		.end   = S3C2410_CS5 + VR1000_PA_DM9000 + 0x7f,
  		.flags = IORESOURCE_MEM
  	},
  	[2] = {
  		.start = IRQ_VR1000_DM9000A,
  		.end   = IRQ_VR1000_DM9000A,

  		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,

  	}
  
  };
  
  static struct resource vr1000_dm9k1_resource[] = {
  	[0] = {
  		.start = S3C2410_CS5 + VR1000_PA_DM9000 + 0x80,
  		.end   = S3C2410_CS5 + VR1000_PA_DM9000 + 0x83,
  		.flags = IORESOURCE_MEM
  	},
  	[1] = {
  		.start = S3C2410_CS5 + VR1000_PA_DM9000 + 0xC0,
  		.end   = S3C2410_CS5 + VR1000_PA_DM9000 + 0xFF,
  		.flags = IORESOURCE_MEM
  	},
  	[2] = {
  		.start = IRQ_VR1000_DM9000N,
  		.end   = IRQ_VR1000_DM9000N,

  		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,

  	}
  };
  
  /* for the moment we limit ourselves to 16bit IO until some
   * better IO routines can be written and tested
  */

  static struct dm9000_plat_data vr1000_dm9k_platdata = {

  	.flags		= DM9000_PLATF_16BITONLY,
  };
  
  static struct platform_device vr1000_dm9k0 = {
  	.name		= "dm9000",
  	.id		= 0,
  	.num_resources	= ARRAY_SIZE(vr1000_dm9k0_resource),
  	.resource	= vr1000_dm9k0_resource,
  	.dev		= {
  		.platform_data = &vr1000_dm9k_platdata,
  	}
  };
  
  static struct platform_device vr1000_dm9k1 = {
  	.name		= "dm9000",
  	.id		= 1,
  	.num_resources	= ARRAY_SIZE(vr1000_dm9k1_resource),
  	.resource	= vr1000_dm9k1_resource,
  	.dev		= {
  		.platform_data = &vr1000_dm9k_platdata,
  	}
  };

  /* LEDS */
  
  static struct s3c24xx_led_platdata vr1000_led1_pdata = {
  	.name		= "led1",

  	.gpio		= S3C2410_GPB(0),

  	.def_trigger	= "",
  };
  
  static struct s3c24xx_led_platdata vr1000_led2_pdata = {
  	.name		= "led2",

  	.gpio		= S3C2410_GPB(1),

  	.def_trigger	= "",
  };
  
  static struct s3c24xx_led_platdata vr1000_led3_pdata = {
  	.name		= "led3",

  	.gpio		= S3C2410_GPB(2),

  	.def_trigger	= "",
  };
  
  static struct platform_device vr1000_led1 = {
  	.name		= "s3c24xx_led",
  	.id		= 1,
  	.dev		= {
  		.platform_data	= &vr1000_led1_pdata,
  	},
  };
  
  static struct platform_device vr1000_led2 = {
  	.name		= "s3c24xx_led",
  	.id		= 2,
  	.dev		= {
  		.platform_data	= &vr1000_led2_pdata,
  	},
  };
  
  static struct platform_device vr1000_led3 = {
  	.name		= "s3c24xx_led",

  	.id		= 3,

  	.dev		= {
  		.platform_data	= &vr1000_led3_pdata,
  	},
  };

  /* I2C devices. */
  
  static struct i2c_board_info vr1000_i2c_devs[] __initdata = {
  	{
  		I2C_BOARD_INFO("tlv320aic23", 0x1a),
  	}, {

  		I2C_BOARD_INFO("tmp101", 0x48),
  	}, {

  		I2C_BOARD_INFO("m41st87", 0x68),
  	},
  };

  /* devices for this board */

  
  static struct platform_device *vr1000_devices[] __initdata = {

  	&s3c_device_ohci,

  	&s3c_device_lcd,
  	&s3c_device_wdt,

  	&s3c_device_i2c0,

  	&s3c_device_adc,

  	&serial_device,

  	&vr1000_dm9k0,

  	&vr1000_dm9k1,
  	&vr1000_led1,
  	&vr1000_led2,
  	&vr1000_led3,

  };

  static struct clk *vr1000_clocks[] __initdata = {

  	&s3c24xx_dclk0,
  	&s3c24xx_dclk1,
  	&s3c24xx_clkout0,
  	&s3c24xx_clkout1,
  	&s3c24xx_uclk,
  };

  static void vr1000_power_off(void)
  {

  	gpio_direction_output(S3C2410_GPB(9), 1);

  }

  static void __init vr1000_map_io(void)

  {
  	/* initialise clock sources */

  	s3c24xx_dclk0.parent = &clk_upll;

  	s3c24xx_dclk0.rate   = 12*1000*1000;
  
  	s3c24xx_dclk1.parent = NULL;
  	s3c24xx_dclk1.rate   = 3692307;
  
  	s3c24xx_clkout0.parent  = &s3c24xx_dclk0;
  	s3c24xx_clkout1.parent  = &s3c24xx_dclk1;
  
  	s3c24xx_uclk.parent  = &s3c24xx_clkout1;

  	s3c24xx_register_clocks(vr1000_clocks, ARRAY_SIZE(vr1000_clocks));

  	pm_power_off = vr1000_power_off;
  
  	s3c24xx_init_io(vr1000_iodesc, ARRAY_SIZE(vr1000_iodesc));
  	s3c24xx_init_clocks(0);
  	s3c24xx_init_uarts(vr1000_uartcfgs, ARRAY_SIZE(vr1000_uartcfgs));

  }

  static void __init vr1000_init(void)
  {

  	s3c_i2c0_set_platdata(NULL);

  	platform_add_devices(vr1000_devices, ARRAY_SIZE(vr1000_devices));

  	i2c_register_board_info(0, vr1000_i2c_devs,
  				ARRAY_SIZE(vr1000_i2c_devs));

  	nor_simtec_init();

  	simtec_audio_add(NULL, true, NULL);

  
  	WARN_ON(gpio_request(S3C2410_GPB(9), "power off"));

  }

  
  MACHINE_START(VR1000, "Thorcom-VR1000")

  	/* Maintainer: Ben Dooks <ben@simtec.co.uk> */

  	.atag_offset	= 0x100,

  	.map_io		= vr1000_map_io,

  	.init_machine	= vr1000_init,

  	.init_irq	= s3c24xx_init_irq,

  	.timer		= &s3c24xx_timer,
  MACHINE_END