/* linux/arch/arm/mach-s3c2410/mach-qt2410.c
   *
   * Copyright (C) 2006 by OpenMoko, Inc.
   * Author: Harald Welte <laforge@openmoko.org>
   * All rights reserved.
   *
   * 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.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
   * MA 02111-1307 USA
   *
   */
  
  #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/device.h>
  #include <linux/platform_device.h>
  #include <linux/serial_core.h>
  #include <linux/spi/spi.h>
  #include <linux/spi/spi_gpio.h>
  #include <linux/io.h>
  #include <linux/mtd/mtd.h>
  #include <linux/mtd/nand.h>
  #include <linux/mtd/nand_ecc.h>
  #include <linux/mtd/partitions.h>
  
  #include <asm/mach/arch.h>
  #include <asm/mach/map.h>
  #include <asm/mach/irq.h>
  
  #include <mach/hardware.h>
  #include <asm/irq.h>
  #include <asm/mach-types.h>
  
  #include <linux/platform_data/leds-s3c24xx.h>
  #include <mach/regs-lcd.h>
  #include <plat/regs-serial.h>
  #include <mach/fb.h>
  #include <linux/platform_data/mtd-nand-s3c2410.h>
  #include <linux/platform_data/usb-s3c2410_udc.h>
  #include <linux/platform_data/i2c-s3c2410.h>
  #include <mach/gpio-samsung.h>
  
  #include <plat/gpio-cfg.h>
  #include <plat/devs.h>
  #include <plat/cpu.h>
  #include <plat/pm.h>
  #include <plat/samsung-time.h>
  
  #include "common.h"
  #include "common-smdk.h"
  
  static struct map_desc qt2410_iodesc[] __initdata = {
  	{ 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE }
  };
  
  #define UCON S3C2410_UCON_DEFAULT
  #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  
  static struct s3c2410_uartcfg smdk2410_uartcfgs[] = {
  	[0] = {
  		.hwport	     = 0,
  		.flags	     = 0,
  		.ucon	     = UCON,
  		.ulcon	     = ULCON,
  		.ufcon	     = UFCON,
  	},
  	[1] = {
  		.hwport	     = 1,
  		.flags	     = 0,
  		.ucon	     = UCON,
  		.ulcon	     = ULCON,
  		.ufcon	     = UFCON,
  	},
  	[2] = {
  		.hwport	     = 2,
  		.flags	     = 0,
  		.ucon	     = UCON,
  		.ulcon	     = ULCON,
  		.ufcon	     = UFCON,
  	}
  };
  
  /* LCD driver info */
  
  static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = {
  	{
  		/* Configuration for 640x480 SHARP LQ080V3DG01 */
  		.lcdcon5 = S3C2410_LCDCON5_FRM565 |
  			   S3C2410_LCDCON5_INVVLINE |
  			   S3C2410_LCDCON5_INVVFRAME |
  			   S3C2410_LCDCON5_PWREN |
  			   S3C2410_LCDCON5_HWSWP,
  
  		.type		= S3C2410_LCDCON1_TFT,
  		.width		= 640,
  		.height		= 480,
  
  		.pixclock	= 40000, /* HCLK/4 */
  		.xres		= 640,
  		.yres		= 480,
  		.bpp		= 16,
  		.left_margin	= 44,
  		.right_margin	= 116,
  		.hsync_len	= 96,
  		.upper_margin	= 19,
  		.lower_margin	= 11,
  		.vsync_len	= 15,
  	},
  	{
  		/* Configuration for 480x640 toppoly TD028TTEC1 */
  		.lcdcon5 = S3C2410_LCDCON5_FRM565 |
  			   S3C2410_LCDCON5_INVVLINE |
  			   S3C2410_LCDCON5_INVVFRAME |
  			   S3C2410_LCDCON5_PWREN |
  			   S3C2410_LCDCON5_HWSWP,
  
  		.type		= S3C2410_LCDCON1_TFT,
  		.width		= 480,
  		.height		= 640,
  		.pixclock	= 40000, /* HCLK/4 */
  		.xres		= 480,
  		.yres		= 640,
  		.bpp		= 16,
  		.left_margin	= 8,
  		.right_margin	= 24,
  		.hsync_len	= 8,
  		.upper_margin	= 2,
  		.lower_margin	= 4,
  		.vsync_len	= 2,
  	},
  	{
  		/* Config for 240x320 LCD */
  		.lcdcon5 = S3C2410_LCDCON5_FRM565 |
  			   S3C2410_LCDCON5_INVVLINE |
  			   S3C2410_LCDCON5_INVVFRAME |
  			   S3C2410_LCDCON5_PWREN |
  			   S3C2410_LCDCON5_HWSWP,
  
  		.type		= S3C2410_LCDCON1_TFT,
  		.width		= 240,
  		.height		= 320,
  		.pixclock	= 100000, /* HCLK/10 */
  		.xres		= 240,
  		.yres		= 320,
  		.bpp		= 16,
  		.left_margin	= 13,
  		.right_margin	= 8,
  		.hsync_len	= 4,
  		.upper_margin	= 2,
  		.lower_margin	= 7,
  		.vsync_len	= 4,
  	},
  };
  
  
  static struct s3c2410fb_mach_info qt2410_fb_info __initdata = {
  	.displays 	= qt2410_lcd_cfg,
  	.num_displays 	= ARRAY_SIZE(qt2410_lcd_cfg),
  	.default_display = 0,
  
  	.lpcsel		= ((0xCE6) & ~7) | 1<<4,
  };
  
  /* CS8900 */
  
  static struct resource qt2410_cs89x0_resources[] = {
  	[0] = DEFINE_RES_MEM(0x19000000, 17),
  	[1] = DEFINE_RES_IRQ(IRQ_EINT9),
  };
  
  static struct platform_device qt2410_cs89x0 = {
  	.name		= "cirrus-cs89x0",
  	.num_resources	= ARRAY_SIZE(qt2410_cs89x0_resources),
  	.resource	= qt2410_cs89x0_resources,
  };
  
  /* LED */
  
  static struct s3c24xx_led_platdata qt2410_pdata_led = {
  	.gpio		= S3C2410_GPB(0),
  	.flags		= S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
  	.name		= "led",
  	.def_trigger	= "timer",
  };
  
  static struct platform_device qt2410_led = {
  	.name		= "s3c24xx_led",
  	.id		= 0,
  	.dev		= {
  		.platform_data = &qt2410_pdata_led,
  	},
  };
  
  /* SPI */
  
  static struct spi_gpio_platform_data spi_gpio_cfg = {
  	.sck		= S3C2410_GPG(7),
  	.mosi		= S3C2410_GPG(6),
  	.miso		= S3C2410_GPG(5),
  };
  
  static struct platform_device qt2410_spi = {
  	.name		= "spi-gpio",
  	.id		= 1,
  	.dev.platform_data = &spi_gpio_cfg,
  };
  
  /* Board devices */
  
  static struct platform_device *qt2410_devices[] __initdata = {
  	&s3c_device_ohci,
  	&s3c_device_lcd,
  	&s3c_device_wdt,
  	&s3c_device_i2c0,
  	&s3c_device_iis,
  	&s3c_device_sdi,
  	&s3c_device_usbgadget,
  	&qt2410_spi,
  	&qt2410_cs89x0,
  	&qt2410_led,
  };
  
  static struct mtd_partition __initdata qt2410_nand_part[] = {
  	[0] = {
  		.name	= "U-Boot",
  		.size	= 0x30000,
  		.offset	= 0,
  	},
  	[1] = {
  		.name	= "U-Boot environment",
  		.offset = 0x30000,
  		.size	= 0x4000,
  	},
  	[2] = {
  		.name	= "kernel",
  		.offset = 0x34000,
  		.size	= SZ_2M,
  	},
  	[3] = {
  		.name	= "initrd",
  		.offset	= 0x234000,
  		.size	= SZ_4M,
  	},
  	[4] = {
  		.name	= "jffs2",
  		.offset = 0x634000,
  		.size	= 0x39cc000,
  	},
  };
  
  static struct s3c2410_nand_set __initdata qt2410_nand_sets[] = {
  	[0] = {
  		.name		= "NAND",
  		.nr_chips	= 1,
  		.nr_partitions	= ARRAY_SIZE(qt2410_nand_part),
  		.partitions	= qt2410_nand_part,
  	},
  };
  
  /* choose a set of timings which should suit most 512Mbit
   * chips and beyond.
   */
  
  static struct s3c2410_platform_nand __initdata qt2410_nand_info = {
  	.tacls		= 20,
  	.twrph0		= 60,
  	.twrph1		= 20,
  	.nr_sets	= ARRAY_SIZE(qt2410_nand_sets),
  	.sets		= qt2410_nand_sets,
  };
  
  /* UDC */
  
  static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
  };
  
  static char tft_type = 's';
  
  static int __init qt2410_tft_setup(char *str)
  {
  	tft_type = str[0];
  	return 1;
  }
  
  __setup("tft=", qt2410_tft_setup);
  
  static void __init qt2410_map_io(void)
  {
  	s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
  	s3c24xx_init_clocks(12*1000*1000);
  	s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
  	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
  }
  
  static void __init qt2410_machine_init(void)
  {
  	s3c_nand_set_platdata(&qt2410_nand_info);
  
  	switch (tft_type) {
  	case 'p': /* production */
  		qt2410_fb_info.default_display = 1;
  		break;
  	case 'b': /* big */
  		qt2410_fb_info.default_display = 0;
  		break;
  	case 's': /* small */
  	default:
  		qt2410_fb_info.default_display = 2;
  		break;
  	}
  	s3c24xx_fb_set_platdata(&qt2410_fb_info);
  
  	/* set initial state of the LED GPIO */
  	WARN_ON(gpio_request_one(S3C2410_GPB(0), GPIOF_OUT_INIT_HIGH, NULL));
  	gpio_free(S3C2410_GPB(0));
  
  	s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
  	s3c_i2c0_set_platdata(NULL);
  
  	WARN_ON(gpio_request(S3C2410_GPB(5), "spi cs"));
  	gpio_direction_output(S3C2410_GPB(5), 1);
  
  	platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
  	s3c_pm_init();
  }
  
  MACHINE_START(QT2410, "QT2410")
  	.atag_offset	= 0x100,
  	.map_io		= qt2410_map_io,
  	.init_irq	= s3c2410_init_irq,
  	.init_machine	= qt2410_machine_init,
  	.init_time	= samsung_timer_init,
  	.restart	= s3c2410_restart,
  MACHINE_END