[linux-2.6-block.git] / arch / arm / mach-s3c2440 / mach-mini2440.c

/* linux/arch/arm/mach-s3c2440/mach-mini2440.c
 *
 * Copyright (c) 2008 Ramax Lo <ramaxlo@gmail.com>
 *      Based on mach-anubis.c by Ben Dooks <ben@simtec.co.uk>
 *      and modifications by SBZ <sbz@spgui.org> and
 *      Weibing <http://weibing.blogbus.com> and
 *      Michel Pollet <buserror@gmail.com>
 *
 * For product information, visit http://code.google.com/p/mini2440/
 *
 * 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/input.h>
#include <linux/io.h>
#include <linux/serial_core.h>
#include <linux/dm9000.h>
#include <linux/i2c/at24.h>
#include <linux/platform_device.h>
#include <linux/gpio_keys.h>
#include <linux/i2c.h>
#include <linux/mmc/host.h>

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

#include <mach/hardware.h>
#include <mach/fb.h>
#include <asm/mach-types.h>

#include <plat/regs-serial.h>
#include <mach/regs-gpio.h>
#include <mach/leds-gpio.h>
#include <mach/regs-mem.h>
#include <mach/regs-lcd.h>
#include <mach/irqs.h>
#include <plat/nand.h>
#include <plat/iic.h>
#include <plat/mci.h>
#include <plat/udc.h>

#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/partitions.h>

#include <plat/gpio-cfg.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>

#include <sound/s3c24xx_uda134x.h>

#define MACH_MINI2440_DM9K_BASE (S3C2410_CS4 + 0x300)

static struct map_desc mini2440_iodesc[] __initdata = {
	/* nothing to declare, move along */
};

#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 mini2440_uartcfgs[] __initdata = {
	[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,
	},
};

/* USB device UDC support */

static void mini2440_udc_pullup(enum s3c2410_udc_cmd_e cmd)
{
	pr_debug("udc: pullup(%d)\n", cmd);

	switch (cmd) {
		case S3C2410_UDC_P_ENABLE :
			gpio_set_value(S3C2410_GPC(5), 1);
			break;
		case S3C2410_UDC_P_DISABLE :
			gpio_set_value(S3C2410_GPC(5), 0);
			break;
		case S3C2410_UDC_P_RESET :
			break;
		default:
			break;
	}
}

static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = {
	.udc_command		= mini2440_udc_pullup,
};


/* LCD timing and setup */

/*
 * This macro simplifies the table bellow
 */
#define _LCD_DECLARE(_clock,_xres,margin_left,margin_right,hsync, \
			_yres,margin_top,margin_bottom,vsync, refresh) \
	.width = _xres, \
	.xres = _xres, \
	.height = _yres, \
	.yres = _yres, \
	.left_margin	= margin_left,	\
	.right_margin	= margin_right,	\
	.upper_margin	= margin_top,	\
	.lower_margin	= margin_bottom,	\
	.hsync_len	= hsync,	\
	.vsync_len	= vsync,	\
	.pixclock	= ((_clock*100000000000LL) /	\
			   ((refresh) * \
			   (hsync + margin_left + _xres + margin_right) * \
			   (vsync + margin_top + _yres + margin_bottom))), \
	.bpp		= 16,\
	.type		= (S3C2410_LCDCON1_TFT16BPP |\
			   S3C2410_LCDCON1_TFT)

static struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = {
	[0] = {	/* mini2440 + 3.5" TFT + touchscreen */
		_LCD_DECLARE(
			7,			/* The 3.5 is quite fast */
			240, 21, 38, 6, 	/* x timing */
			320, 4, 4, 2,		/* y timing */
			60),			/* refresh rate */
		.lcdcon5	= (S3C2410_LCDCON5_FRM565 |
				   S3C2410_LCDCON5_INVVLINE |
				   S3C2410_LCDCON5_INVVFRAME |
				   S3C2410_LCDCON5_INVVDEN |
				   S3C2410_LCDCON5_PWREN),
	},
	[1] = { /* mini2440 + 7" TFT + touchscreen */
		_LCD_DECLARE(
			10,			/* the 7" runs slower */
			800, 40, 40, 48, 	/* x timing */
			480, 29, 3, 3,		/* y timing */
			50),			/* refresh rate */
		.lcdcon5	= (S3C2410_LCDCON5_FRM565 |
				   S3C2410_LCDCON5_INVVLINE |
				   S3C2410_LCDCON5_INVVFRAME |
				   S3C2410_LCDCON5_PWREN),
	},
	/* The VGA shield can outout at several resolutions. All share 
	 * the same timings, however, anything smaller than 1024x768
	 * will only be displayed in the top left corner of a 1024x768
	 * XGA output unless you add optional dip switches to the shield.
	 * Therefore timings for other resolutions have been ommited here.
	 */
	[2] = {
		_LCD_DECLARE(
			10,
			1024, 1, 2, 2,		/* y timing */
			768, 200, 16, 16, 	/* x timing */
			24),	/* refresh rate, maximum stable,
				 tested with the FPGA shield */
		.lcdcon5	= (S3C2410_LCDCON5_FRM565 |
				   S3C2410_LCDCON5_HWSWP),
	},
};

/* todo - put into gpio header */

#define S3C2410_GPCCON_MASK(x)	(3 << ((x) * 2))
#define S3C2410_GPDCON_MASK(x)	(3 << ((x) * 2))

static struct s3c2410fb_mach_info mini2440_fb_info __initdata = {
	.displays	 = &mini2440_lcd_cfg[0], /* not constant! see init */
	.num_displays	 = 1,
	.default_display = 0,

	/* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN
	 * and disable the pull down resistors on pins we are using for LCD
	 * data. */

	.gpcup		= (0xf << 1) | (0x3f << 10),

	.gpccon		= (S3C2410_GPC1_VCLK   | S3C2410_GPC2_VLINE |
			   S3C2410_GPC3_VFRAME | S3C2410_GPC4_VM |
			   S3C2410_GPC10_VD2   | S3C2410_GPC11_VD3 |
			   S3C2410_GPC12_VD4   | S3C2410_GPC13_VD5 |
			   S3C2410_GPC14_VD6   | S3C2410_GPC15_VD7),

	.gpccon_mask	= (S3C2410_GPCCON_MASK(1)  | S3C2410_GPCCON_MASK(2)  |
			   S3C2410_GPCCON_MASK(3)  | S3C2410_GPCCON_MASK(4)  |
			   S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) |
			   S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) |
			   S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)),

	.gpdup		= (0x3f << 2) | (0x3f << 10),

	.gpdcon		= (S3C2410_GPD2_VD10  | S3C2410_GPD3_VD11 |
			   S3C2410_GPD4_VD12  | S3C2410_GPD5_VD13 |
			   S3C2410_GPD6_VD14  | S3C2410_GPD7_VD15 |
			   S3C2410_GPD10_VD18 | S3C2410_GPD11_VD19 |
			   S3C2410_GPD12_VD20 | S3C2410_GPD13_VD21 |
			   S3C2410_GPD14_VD22 | S3C2410_GPD15_VD23),

	.gpdcon_mask	= (S3C2410_GPDCON_MASK(2)  | S3C2410_GPDCON_MASK(3) |
			   S3C2410_GPDCON_MASK(4)  | S3C2410_GPDCON_MASK(5) |
			   S3C2410_GPDCON_MASK(6)  | S3C2410_GPDCON_MASK(7) |
			   S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)|
			   S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)|
			   S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)),
};

/* MMC/SD  */

static struct s3c24xx_mci_pdata mini2440_mmc_cfg __initdata = {
   .gpio_detect   = S3C2410_GPG(8),
   .gpio_wprotect = S3C2410_GPH(8),
   .set_power     = NULL,
   .ocr_avail     = MMC_VDD_32_33|MMC_VDD_33_34,
};

/* NAND Flash on MINI2440 board */

static struct mtd_partition mini2440_default_nand_part[] __initdata = {
	[0] = {
		.name	= "u-boot",
		.size	= SZ_256K,
		.offset	= 0,
	},
	[1] = {
		.name	= "u-boot-env",
		.size	= SZ_128K,
		.offset	= SZ_256K,
	},
	[2] = {
		.name	= "kernel",
		/* 5 megabytes, for a kernel with no modules
		 * or a uImage with a ramdisk attached */
		.size	= 0x00500000,
		.offset	= SZ_256K + SZ_128K,
	},
	[3] = {
		.name	= "root",
		.offset	= SZ_256K + SZ_128K + 0x00500000,
		.size	= MTDPART_SIZ_FULL,
	},
};

static struct s3c2410_nand_set mini2440_nand_sets[] __initdata = {
	[0] = {
		.name		= "nand",
		.nr_chips	= 1,
		.nr_partitions	= ARRAY_SIZE(mini2440_default_nand_part),
		.partitions	= mini2440_default_nand_part,
		.flash_bbt 	= 1, /* we use u-boot to create a BBT */
	},
};

static struct s3c2410_platform_nand mini2440_nand_info __initdata = {
	.tacls		= 0,
	.twrph0		= 25,
	.twrph1		= 15,
	.nr_sets	= ARRAY_SIZE(mini2440_nand_sets),
	.sets		= mini2440_nand_sets,
	.ignore_unset_ecc = 1,
};

/* DM9000AEP 10/100 ethernet controller */

static struct resource mini2440_dm9k_resource[] = {
	[0] = {
		.start = MACH_MINI2440_DM9K_BASE,
		.end   = MACH_MINI2440_DM9K_BASE + 3,
		.flags = IORESOURCE_MEM
	},
	[1] = {
		.start = MACH_MINI2440_DM9K_BASE + 4,
		.end   = MACH_MINI2440_DM9K_BASE + 7,
		.flags = IORESOURCE_MEM
	},
	[2] = {
		.start = IRQ_EINT7,
		.end   = IRQ_EINT7,
		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
	}
};

/*
 * The DM9000 has no eeprom, and it's MAC address is set by
 * the bootloader before starting the kernel.
 */
static struct dm9000_plat_data mini2440_dm9k_pdata = {
	.flags		= (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
};

static struct platform_device mini2440_device_eth = {
	.name		= "dm9000",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(mini2440_dm9k_resource),
	.resource	= mini2440_dm9k_resource,
	.dev		= {
		.platform_data	= &mini2440_dm9k_pdata,
	},
};

/*  CON5
 *	+--+	 /-----\
 *	|  |    |	|
 *	|  |	|  BAT	|
 *	|  |	 \_____/
 *	|  |
 *	|  |  +----+  +----+
 *	|  |  | K5 |  | K1 |
 *	|  |  +----+  +----+
 *	|  |  +----+  +----+
 *	|  |  | K4 |  | K2 |
 *	|  |  +----+  +----+
 *	|  |  +----+  +----+
 *	|  |  | K6 |  | K3 |
 *	|  |  +----+  +----+
 *	  .....
 */
static struct gpio_keys_button mini2440_buttons[] = {
	{
		.gpio		= S3C2410_GPG(0),		/* K1 */
		.code		= KEY_F1,
		.desc		= "Button 1",
		.active_low	= 1,
	},
	{
		.gpio		= S3C2410_GPG(3),		/* K2 */
		.code		= KEY_F2,
		.desc		= "Button 2",
		.active_low	= 1,
	},
	{
		.gpio		= S3C2410_GPG(5),		/* K3 */
		.code		= KEY_F3,
		.desc		= "Button 3",
		.active_low	= 1,
	},
	{
		.gpio		= S3C2410_GPG(6),		/* K4 */
		.code		= KEY_POWER,
		.desc		= "Power",
		.active_low	= 1,
	},
	{
		.gpio		= S3C2410_GPG(7),		/* K5 */
		.code		= KEY_F5,
		.desc		= "Button 5",
		.active_low	= 1,
	},
#if 0
	/* this pin is also known as TCLK1 and seems to already
	 * marked as "in use" somehow in the kernel -- possibly wrongly */
	{
		.gpio		= S3C2410_GPG(11),	/* K6 */
		.code		= KEY_F6,
		.desc		= "Button 6",
		.active_low	= 1,
	},
#endif
};

static struct gpio_keys_platform_data mini2440_button_data = {
	.buttons	= mini2440_buttons,
	.nbuttons	= ARRAY_SIZE(mini2440_buttons),
};

static struct platform_device mini2440_button_device = {
	.name		= "gpio-keys",
	.id		= -1,
	.dev		= {
		.platform_data	= &mini2440_button_data,
	}
};

/* LEDS */

static struct s3c24xx_led_platdata mini2440_led1_pdata = {
	.name		= "led1",
	.gpio		= S3C2410_GPB(5),
	.flags		= S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
	.def_trigger	= "heartbeat",
};

static struct s3c24xx_led_platdata mini2440_led2_pdata = {
	.name		= "led2",
	.gpio		= S3C2410_GPB(6),
	.flags		= S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
	.def_trigger	= "nand-disk",
};

static struct s3c24xx_led_platdata mini2440_led3_pdata = {
	.name		= "led3",
	.gpio		= S3C2410_GPB(7),
	.flags		= S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
	.def_trigger	= "mmc0",
};

static struct s3c24xx_led_platdata mini2440_led4_pdata = {
	.name		= "led4",
	.gpio		= S3C2410_GPB(8),
	.flags		= S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
	.def_trigger	= "",
};

static struct s3c24xx_led_platdata mini2440_led_backlight_pdata = {
	.name		= "backlight",
	.gpio		= S3C2410_GPG(4),
	.def_trigger	= "backlight",
};

static struct platform_device mini2440_led1 = {
	.name		= "s3c24xx_led",
	.id		= 1,
	.dev		= {
		.platform_data	= &mini2440_led1_pdata,
	},
};

static struct platform_device mini2440_led2 = {
	.name		= "s3c24xx_led",
	.id		= 2,
	.dev		= {
		.platform_data	= &mini2440_led2_pdata,
	},
};

static struct platform_device mini2440_led3 = {
	.name		= "s3c24xx_led",
	.id		= 3,
	.dev		= {
		.platform_data	= &mini2440_led3_pdata,
	},
};

static struct platform_device mini2440_led4 = {
	.name		= "s3c24xx_led",
	.id		= 4,
	.dev		= {
		.platform_data	= &mini2440_led4_pdata,
	},
};

static struct platform_device mini2440_led_backlight = {
	.name		= "s3c24xx_led",
	.id		= 5,
	.dev		= {
		.platform_data	= &mini2440_led_backlight_pdata,
	},
};

/* AUDIO */

static struct s3c24xx_uda134x_platform_data mini2440_audio_pins = {
	.l3_clk = S3C2410_GPB(4),
	.l3_mode = S3C2410_GPB(2),
	.l3_data = S3C2410_GPB(3),
	.model = UDA134X_UDA1341
};

static struct platform_device mini2440_audio = {
	.name		= "s3c24xx_uda134x",
	.id		= 0,
	.dev		= {
		.platform_data	= &mini2440_audio_pins,
	},
};

/*
 * I2C devices
 */
static struct at24_platform_data at24c08 = {
	.byte_len	= SZ_8K / 8,
	.page_size	= 16,
};

static struct i2c_board_info mini2440_i2c_devs[] __initdata = {
	{
		I2C_BOARD_INFO("24c08", 0x50),
		.platform_data = &at24c08,
	},
};

static struct platform_device *mini2440_devices[] __initdata = {
	&s3c_device_ohci,
	&s3c_device_wdt,
	&s3c_device_i2c0,
	&s3c_device_rtc,
	&s3c_device_usbgadget,
	&mini2440_device_eth,
	&mini2440_led1,
	&mini2440_led2,
	&mini2440_led3,
	&mini2440_led4,
	&mini2440_button_device,
	&s3c_device_nand,
	&s3c_device_sdi,
	&s3c_device_iis,
	&mini2440_audio,
};

static void __init mini2440_map_io(void)
{
	s3c24xx_init_io(mini2440_iodesc, ARRAY_SIZE(mini2440_iodesc));
	s3c24xx_init_clocks(12000000);
	s3c24xx_init_uarts(mini2440_uartcfgs, ARRAY_SIZE(mini2440_uartcfgs));
}

/*
 * mini2440_features string
 *
 * t = Touchscreen present
 * b = backlight control
 * c = camera [TODO]
 * 0-9 LCD configuration
 *
 */
static char mini2440_features_str[12] __initdata = "0tb";

static int __init mini2440_features_setup(char *str)
{
	if (str)
		strlcpy(mini2440_features_str, str, sizeof(mini2440_features_str));
	return 1;
}

__setup("mini2440=", mini2440_features_setup);

#define FEATURE_SCREEN (1 << 0)
#define FEATURE_BACKLIGHT (1 << 1)
#define FEATURE_TOUCH (1 << 2)
#define FEATURE_CAMERA (1 << 3)

struct mini2440_features_t {
	int count;
	int done;
	int lcd_index;
	struct platform_device *optional[8];
};

static void mini2440_parse_features(
		struct mini2440_features_t * features,
		const char * features_str )
{
	const char * fp = features_str;

	features->count = 0;
	features->done = 0;
	features->lcd_index = -1;

	while (*fp) {
		char f = *fp++;

		switch (f) {
		case '0'...'9':	/* tft screen */
			if (features->done & FEATURE_SCREEN) {
				printk(KERN_INFO "MINI2440: '%c' ignored, "
					"screen type already set\n", f);
			} else {
				int li = f - '0';
				if (li >= ARRAY_SIZE(mini2440_lcd_cfg))
					printk(KERN_INFO "MINI2440: "
						"'%c' out of range LCD mode\n", f);
				else {
					features->optional[features->count++] =
							&s3c_device_lcd;
					features->lcd_index = li;
				}
			}
			features->done |= FEATURE_SCREEN;
			break;
		case 'b':
			if (features->done & FEATURE_BACKLIGHT)
				printk(KERN_INFO "MINI2440: '%c' ignored, "
					"backlight already set\n", f);
			else {
				features->optional[features->count++] =
						&mini2440_led_backlight;
			}
			features->done |= FEATURE_BACKLIGHT;
			break;
		case 't':
			printk(KERN_INFO "MINI2440: '%c' ignored, "
				"touchscreen not compiled in\n", f);
			break;
		case 'c':
			if (features->done & FEATURE_CAMERA)
				printk(KERN_INFO "MINI2440: '%c' ignored, "
					"camera already registered\n", f);
			else
				features->optional[features->count++] =
					&s3c_device_camif;
			features->done |= FEATURE_CAMERA;
			break;
		}
	}
}

static void __init mini2440_init(void)
{
	struct mini2440_features_t features = { 0 };
	int i;

	printk(KERN_INFO "MINI2440: Option string mini2440=%s\n",
			mini2440_features_str);

	/* Parse the feature string */
	mini2440_parse_features(&features, mini2440_features_str);

	/* turn LCD on */
	s3c_gpio_cfgpin(S3C2410_GPC(0), S3C2410_GPC0_LEND);

	/* Turn the backlight early on */
	WARN_ON(gpio_request(S3C2410_GPG(4), "backlight"));
	gpio_direction_output(S3C2410_GPG(4), 1);

	/* remove pullup on optional PWM backlight -- unused on 3.5 and 7"s */
	s3c_gpio_setpull(S3C2410_GPB(1), S3C_GPIO_PULL_UP);
	s3c2410_gpio_setpin(S3C2410_GPB(1), 0);
	s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPIO_INPUT);

	/* Make sure the D+ pullup pin is output */
	WARN_ON(gpio_request(S3C2410_GPC(5), "udc pup"));
	gpio_direction_output(S3C2410_GPC(5), 0);

	/* mark the key as input, without pullups (there is one on the board) */
	for (i = 0; i < ARRAY_SIZE(mini2440_buttons); i++) {
		s3c_gpio_setpull(mini2440_buttons[i].gpio, S3C_GPIO_PULL_UP);
		s3c_gpio_cfgpin(mini2440_buttons[i].gpio, S3C2410_GPIO_INPUT);
	}
	if (features.lcd_index != -1) {
		int li;

		mini2440_fb_info.displays =
			&mini2440_lcd_cfg[features.lcd_index];

		printk(KERN_INFO "MINI2440: LCD");
		for (li = 0; li < ARRAY_SIZE(mini2440_lcd_cfg); li++)
			if (li == features.lcd_index)
				printk(" [%d:%dx%d]", li,
					mini2440_lcd_cfg[li].width,
					mini2440_lcd_cfg[li].height);
			else
				printk(" %d:%dx%d", li,
					mini2440_lcd_cfg[li].width,
					mini2440_lcd_cfg[li].height);
		printk("\n");
		s3c24xx_fb_set_platdata(&mini2440_fb_info);
	}

	s3c24xx_udc_set_platdata(&mini2440_udc_cfg);
	s3c24xx_mci_set_platdata(&mini2440_mmc_cfg);
	s3c_nand_set_platdata(&mini2440_nand_info);
	s3c_i2c0_set_platdata(NULL);

	i2c_register_board_info(0, mini2440_i2c_devs,
				ARRAY_SIZE(mini2440_i2c_devs));

	platform_add_devices(mini2440_devices, ARRAY_SIZE(mini2440_devices));

	if (features.count)	/* the optional features */
		platform_add_devices(features.optional, features.count);

}


MACHINE_START(MINI2440, "MINI2440")
	/* Maintainer: Michel Pollet <buserror@gmail.com> */
	.phys_io	= S3C2410_PA_UART,
	.io_pg_offst	= (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
	.boot_params	= S3C2410_SDRAM_PA + 0x100,
	.map_io		= mini2440_map_io,
	.init_machine	= mini2440_init,
	.init_irq	= s3c24xx_init_irq,
	.timer		= &s3c24xx_timer,
MACHINE_END
Commit	Line	Data
5102aa4a MP	1	/* linux/arch/arm/mach-s3c2440/mach-mini2440.c
	2	*
	3	* Copyright (c) 2008 Ramax Lo <ramaxlo@gmail.com>
	4	* Based on mach-anubis.c by Ben Dooks <ben@simtec.co.uk>
	5	* and modifications by SBZ <sbz@spgui.org> and
	6	* Weibing <http://weibing.blogbus.com> and
	7	* Michel Pollet <buserror@gmail.com>
	8	*
	9	* For product information, visit http://code.google.com/p/mini2440/
	10	*
	11	* This program is free software; you can redistribute it and/or modify
	12	* it under the terms of the GNU General Public License version 2 as
	13	* published by the Free Software Foundation.
	14	*/
	15
	16	#include <linux/kernel.h>
	17	#include <linux/types.h>
	18	#include <linux/interrupt.h>
	19	#include <linux/list.h>
	20	#include <linux/timer.h>
	21	#include <linux/init.h>
	22	#include <linux/gpio.h>
	23	#include <linux/input.h>
	24	#include <linux/io.h>
	25	#include <linux/serial_core.h>
	26	#include <linux/dm9000.h>
	27	#include <linux/i2c/at24.h>
	28	#include <linux/platform_device.h>
	29	#include <linux/gpio_keys.h>
	30	#include <linux/i2c.h>
	31	#include <linux/mmc/host.h>
	32
	33	#include <asm/mach/arch.h>
	34	#include <asm/mach/map.h>
	35
	36	#include <mach/hardware.h>
	37	#include <mach/fb.h>
	38	#include <asm/mach-types.h>
	39
	40	#include <plat/regs-serial.h>
	41	#include <mach/regs-gpio.h>
	42	#include <mach/leds-gpio.h>
	43	#include <mach/regs-mem.h>
	44	#include <mach/regs-lcd.h>
	45	#include <mach/irqs.h>
	46	#include <plat/nand.h>
	47	#include <plat/iic.h>
	48	#include <plat/mci.h>
	49	#include <plat/udc.h>
	50
5102aa4a MP	51	#include <linux/mtd/mtd.h>
	52	#include <linux/mtd/nand.h>
	53	#include <linux/mtd/nand_ecc.h>
	54	#include <linux/mtd/partitions.h>
	55
40b956f0	56	#include <plat/gpio-cfg.h>
5102aa4a MP	57	#include <plat/clock.h>
	58	#include <plat/devs.h>
	59	#include <plat/cpu.h>
	60
	61	#include <sound/s3c24xx_uda134x.h>
	62
	63	#define MACH_MINI2440_DM9K_BASE (S3C2410_CS4 + 0x300)
	64
	65	static struct map_desc mini2440_iodesc[] __initdata = {
	66	/* nothing to declare, move along */
	67	};
	68
	69	#define UCON S3C2410_UCON_DEFAULT
	70	#define ULCON S3C2410_LCON_CS8 \| S3C2410_LCON_PNONE \| S3C2410_LCON_STOPB
	71	#define UFCON S3C2410_UFCON_RXTRIG8 \| S3C2410_UFCON_FIFOMODE
	72
	73
	74	static struct s3c2410_uartcfg mini2440_uartcfgs[] __initdata = {
	75	[0] = {
	76	.hwport = 0,
	77	.flags = 0,
	78	.ucon = UCON,
	79	.ulcon = ULCON,
	80	.ufcon = UFCON,
	81	},
	82	[1] = {
	83	.hwport = 1,
	84	.flags = 0,
	85	.ucon = UCON,
	86	.ulcon = ULCON,
	87	.ufcon = UFCON,
	88	},
	89	[2] = {
	90	.hwport = 2,
	91	.flags = 0,
	92	.ucon = UCON,
	93	.ulcon = ULCON,
	94	.ufcon = UFCON,
	95	},
	96	};
	97
	98	/* USB device UDC support */
	99
	100	static void mini2440_udc_pullup(enum s3c2410_udc_cmd_e cmd)
	101	{
	102	pr_debug("udc: pullup(%d)\n", cmd);
	103
	104	switch (cmd) {
	105	case S3C2410_UDC_P_ENABLE :
64f508da	106	gpio_set_value(S3C2410_GPC(5), 1);
5102aa4a MP	107	break;
5102aa4a MP	108	case S3C2410_UDC_P_DISABLE :
64f508da	109	gpio_set_value(S3C2410_GPC(5), 0);
5102aa4a MP	110	break;
	111	case S3C2410_UDC_P_RESET :
	112	break;
	113	default:
	114	break;
	115	}
	116	}
	117
	118	static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = {
	119	.udc_command = mini2440_udc_pullup,
	120	};
	121
	122
	123	/* LCD timing and setup */
	124
	125	/*
	126	* This macro simplifies the table bellow
	127	*/
	128	#define _LCD_DECLARE(_clock,_xres,margin_left,margin_right,hsync, \
	129	_yres,margin_top,margin_bottom,vsync, refresh) \
	130	.width = _xres, \
	131	.xres = _xres, \
	132	.height = _yres, \
	133	.yres = _yres, \
	134	.left_margin = margin_left, \
	135	.right_margin = margin_right, \
	136	.upper_margin = margin_top, \
	137	.lower_margin = margin_bottom, \
	138	.hsync_len = hsync, \
	139	.vsync_len = vsync, \
	140	.pixclock = ((_clock*100000000000LL) / \
	141	((refresh) * \
	142	(hsync + margin_left + _xres + margin_right) * \
	143	(vsync + margin_top + _yres + margin_bottom))), \
	144	.bpp = 16,\
	145	.type = (S3C2410_LCDCON1_TFT16BPP \|\
	146	S3C2410_LCDCON1_TFT)
	147
00709947	148	static struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = {
5102aa4a MP	149	[0] = { /* mini2440 + 3.5" TFT + touchscreen */
	150	_LCD_DECLARE(
	151	7, /* The 3.5 is quite fast */
	152	240, 21, 38, 6, /* x timing */
	153	320, 4, 4, 2, /* y timing */
	154	60), /* refresh rate */
	155	.lcdcon5 = (S3C2410_LCDCON5_FRM565 \|
	156	S3C2410_LCDCON5_INVVLINE \|
	157	S3C2410_LCDCON5_INVVFRAME \|
	158	S3C2410_LCDCON5_INVVDEN \|
	159	S3C2410_LCDCON5_PWREN),
	160	},
	161	[1] = { /* mini2440 + 7" TFT + touchscreen */
	162	_LCD_DECLARE(
	163	10, /* the 7" runs slower */
	164	800, 40, 40, 48, /* x timing */
	165	480, 29, 3, 3, /* y timing */
	166	50), /* refresh rate */
	167	.lcdcon5 = (S3C2410_LCDCON5_FRM565 \|
	168	S3C2410_LCDCON5_INVVLINE \|
	169	S3C2410_LCDCON5_INVVFRAME \|
	170	S3C2410_LCDCON5_PWREN),
	171	},
	172	/* The VGA shield can outout at several resolutions. All share
	173	* the same timings, however, anything smaller than 1024x768
	174	* will only be displayed in the top left corner of a 1024x768
	175	* XGA output unless you add optional dip switches to the shield.
	176	* Therefore timings for other resolutions have been ommited here.
	177	*/
	178	[2] = {
	179	_LCD_DECLARE(
	180	10,
	181	1024, 1, 2, 2, /* y timing */
	182	768, 200, 16, 16, /* x timing */
	183	24), /* refresh rate, maximum stable,
	184	tested with the FPGA shield */
	185	.lcdcon5 = (S3C2410_LCDCON5_FRM565 \|
	186	S3C2410_LCDCON5_HWSWP),
	187	},
	188	};
	189
	190	/* todo - put into gpio header */
	191
	192	#define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2))
	193	#define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2))
	194
00709947	195	static struct s3c2410fb_mach_info mini2440_fb_info __initdata = {
5102aa4a MP	196	.displays = &mini2440_lcd_cfg[0], /* not constant! see init */
	197	.num_displays = 1,
	198	.default_display = 0,
	199
	200	/* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN
	201	* and disable the pull down resistors on pins we are using for LCD
	202	* data. */
	203
	204	.gpcup = (0xf << 1) \| (0x3f << 10),
	205
	206	.gpccon = (S3C2410_GPC1_VCLK \| S3C2410_GPC2_VLINE \|
	207	S3C2410_GPC3_VFRAME \| S3C2410_GPC4_VM \|
	208	S3C2410_GPC10_VD2 \| S3C2410_GPC11_VD3 \|
	209	S3C2410_GPC12_VD4 \| S3C2410_GPC13_VD5 \|
	210	S3C2410_GPC14_VD6 \| S3C2410_GPC15_VD7),
	211
	212	.gpccon_mask = (S3C2410_GPCCON_MASK(1) \| S3C2410_GPCCON_MASK(2) \|
	213	S3C2410_GPCCON_MASK(3) \| S3C2410_GPCCON_MASK(4) \|
	214	S3C2410_GPCCON_MASK(10) \| S3C2410_GPCCON_MASK(11) \|
	215	S3C2410_GPCCON_MASK(12) \| S3C2410_GPCCON_MASK(13) \|
	216	S3C2410_GPCCON_MASK(14) \| S3C2410_GPCCON_MASK(15)),
	217
	218	.gpdup = (0x3f << 2) \| (0x3f << 10),
	219
	220	.gpdcon = (S3C2410_GPD2_VD10 \| S3C2410_GPD3_VD11 \|
	221	S3C2410_GPD4_VD12 \| S3C2410_GPD5_VD13 \|
	222	S3C2410_GPD6_VD14 \| S3C2410_GPD7_VD15 \|
	223	S3C2410_GPD10_VD18 \| S3C2410_GPD11_VD19 \|
	224	S3C2410_GPD12_VD20 \| S3C2410_GPD13_VD21 \|
	225	S3C2410_GPD14_VD22 \| S3C2410_GPD15_VD23),
	226
	227	.gpdcon_mask = (S3C2410_GPDCON_MASK(2) \| S3C2410_GPDCON_MASK(3) \|
	228	S3C2410_GPDCON_MASK(4) \| S3C2410_GPDCON_MASK(5) \|
	229	S3C2410_GPDCON_MASK(6) \| S3C2410_GPDCON_MASK(7) \|
	230	S3C2410_GPDCON_MASK(10) \| S3C2410_GPDCON_MASK(11)\|
	231	S3C2410_GPDCON_MASK(12) \| S3C2410_GPDCON_MASK(13)\|
	232	S3C2410_GPDCON_MASK(14) \| S3C2410_GPDCON_MASK(15)),
	233	};
	234
	235	/* MMC/SD */
	236
	237	static struct s3c24xx_mci_pdata mini2440_mmc_cfg __initdata = {
	238	.gpio_detect = S3C2410_GPG(8),
	239	.gpio_wprotect = S3C2410_GPH(8),
	240	.set_power = NULL,
	241	.ocr_avail = MMC_VDD_32_33\|MMC_VDD_33_34,
	242	};
	243
	244	/* NAND Flash on MINI2440 board */
	245
	246	static struct mtd_partition mini2440_default_nand_part[] __initdata = {
	247	[0] = {
	248	.name = "u-boot",
	249	.size = SZ_256K,
	250	.offset = 0,
	251	},
	252	[1] = {
	253	.name = "u-boot-env",
	254	.size = SZ_128K,
	255	.offset = SZ_256K,
	256	},
	257	[2] = {
	258	.name = "kernel",
	259	/* 5 megabytes, for a kernel with no modules
260	* or a uImage with a ramdisk attached */
261	.size = 0x00500000,
262	.offset = SZ_256K + SZ_128K,
263	},
264	[3] = {
265	.name = "root",
266	.offset = SZ_256K + SZ_128K + 0x00500000,
267	.size = MTDPART_SIZ_FULL,
268	},
269	};
270
271	static struct s3c2410_nand_set mini2440_nand_sets[] __initdata = {
272	[0] = {
273	.name = "nand",
274	.nr_chips = 1,
275	.nr_partitions = ARRAY_SIZE(mini2440_default_nand_part),
276	.partitions = mini2440_default_nand_part,
51af243c	277	.flash_bbt = 1, /* we use u-boot to create a BBT */
5102aa4a MP	278	},
	279	};
	280
	281	static struct s3c2410_platform_nand mini2440_nand_info __initdata = {
	282	.tacls = 0,
	283	.twrph0 = 25,
	284	.twrph1 = 15,
	285	.nr_sets = ARRAY_SIZE(mini2440_nand_sets),
	286	.sets = mini2440_nand_sets,
	287	.ignore_unset_ecc = 1,
	288	};
	289
	290	/* DM9000AEP 10/100 ethernet controller */
	291
3ce2f76f	292	static struct resource mini2440_dm9k_resource[] = {
5102aa4a MP	293	[0] = {
	294	.start = MACH_MINI2440_DM9K_BASE,
	295	.end = MACH_MINI2440_DM9K_BASE + 3,
	296	.flags = IORESOURCE_MEM
	297	},
	298	[1] = {
	299	.start = MACH_MINI2440_DM9K_BASE + 4,
	300	.end = MACH_MINI2440_DM9K_BASE + 7,
	301	.flags = IORESOURCE_MEM
	302	},
	303	[2] = {
	304	.start = IRQ_EINT7,
	305	.end = IRQ_EINT7,
	306	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_HIGHEDGE,
	307	}
	308	};
	309
	310	/*
	311	* The DM9000 has no eeprom, and it's MAC address is set by
	312	* the bootloader before starting the kernel.
	313	*/
3ce2f76f	314	static struct dm9000_plat_data mini2440_dm9k_pdata = {
5102aa4a MP	315	.flags = (DM9000_PLATF_16BITONLY \| DM9000_PLATF_NO_EEPROM),
	316	};
	317
3ce2f76f	318	static struct platform_device mini2440_device_eth = {
5102aa4a MP	319	.name = "dm9000",
	320	.id = -1,
	321	.num_resources = ARRAY_SIZE(mini2440_dm9k_resource),
	322	.resource = mini2440_dm9k_resource,
	323	.dev = {
	324	.platform_data = &mini2440_dm9k_pdata,
	325	},
	326	};
	327
	328	/* CON5
	329	* +--+ /-----\
	330	* \| \| \| \|
	331	* \| \| \| BAT \|
	332	* \| \| \_____/
	333	* \| \|
	334	* \| \| +----+ +----+
	335	* \| \| \| K5 \| \| K1 \|
	336	* \| \| +----+ +----+
	337	* \| \| +----+ +----+
	338	* \| \| \| K4 \| \| K2 \|
	339	* \| \| +----+ +----+
	340	* \| \| +----+ +----+
	341	* \| \| \| K6 \| \| K3 \|
	342	* \| \| +----+ +----+
	343	* .....
	344	*/
3ce2f76f	345	static struct gpio_keys_button mini2440_buttons[] = {
5102aa4a MP	346	{
	347	.gpio = S3C2410_GPG(0), /* K1 */
	348	.code = KEY_F1,
	349	.desc = "Button 1",
	350	.active_low = 1,
	351	},
	352	{
	353	.gpio = S3C2410_GPG(3), /* K2 */
	354	.code = KEY_F2,
	355	.desc = "Button 2",
	356	.active_low = 1,
	357	},
	358	{
	359	.gpio = S3C2410_GPG(5), /* K3 */
	360	.code = KEY_F3,
	361	.desc = "Button 3",
	362	.active_low = 1,
	363	},
	364	{
	365	.gpio = S3C2410_GPG(6), /* K4 */
	366	.code = KEY_POWER,
	367	.desc = "Power",
	368	.active_low = 1,
	369	},
	370	{
	371	.gpio = S3C2410_GPG(7), /* K5 */
	372	.code = KEY_F5,
	373	.desc = "Button 5",
	374	.active_low = 1,
	375	},
	376	#if 0
	377	/* this pin is also known as TCLK1 and seems to already
	378	* marked as "in use" somehow in the kernel -- possibly wrongly */
	379	{
	380	.gpio = S3C2410_GPG(11), /* K6 */
	381	.code = KEY_F6,
	382	.desc = "Button 6",
	383	.active_low = 1,
	384	},
	385	#endif
	386	};
	387
3ce2f76f	388	static struct gpio_keys_platform_data mini2440_button_data = {
5102aa4a MP	389	.buttons = mini2440_buttons,
	390	.nbuttons = ARRAY_SIZE(mini2440_buttons),
	391	};
	392
3ce2f76f	393	static struct platform_device mini2440_button_device = {
5102aa4a MP	394	.name = "gpio-keys",
	395	.id = -1,
	396	.dev = {
	397	.platform_data = &mini2440_button_data,
	398	}
	399	};
	400
	401	/* LEDS */
	402
0a3727ff	403	static struct s3c24xx_led_platdata mini2440_led1_pdata = {
5102aa4a MP	404	.name = "led1",
	405	.gpio = S3C2410_GPB(5),
	406	.flags = S3C24XX_LEDF_ACTLOW \| S3C24XX_LEDF_TRISTATE,
	407	.def_trigger = "heartbeat",
	408	};
	409
0a3727ff	410	static struct s3c24xx_led_platdata mini2440_led2_pdata = {
5102aa4a MP	411	.name = "led2",
	412	.gpio = S3C2410_GPB(6),
	413	.flags = S3C24XX_LEDF_ACTLOW \| S3C24XX_LEDF_TRISTATE,
	414	.def_trigger = "nand-disk",
	415	};
	416
0a3727ff	417	static struct s3c24xx_led_platdata mini2440_led3_pdata = {
5102aa4a MP	418	.name = "led3",
	419	.gpio = S3C2410_GPB(7),
	420	.flags = S3C24XX_LEDF_ACTLOW \| S3C24XX_LEDF_TRISTATE,
	421	.def_trigger = "mmc0",
	422	};
	423
0a3727ff	424	static struct s3c24xx_led_platdata mini2440_led4_pdata = {
5102aa4a MP	425	.name = "led4",
	426	.gpio = S3C2410_GPB(8),
	427	.flags = S3C24XX_LEDF_ACTLOW \| S3C24XX_LEDF_TRISTATE,
	428	.def_trigger = "",
	429	};
	430
0a3727ff	431	static struct s3c24xx_led_platdata mini2440_led_backlight_pdata = {
5102aa4a MP	432	.name = "backlight",
	433	.gpio = S3C2410_GPG(4),
	434	.def_trigger = "backlight",
	435	};
	436
3ce2f76f	437	static struct platform_device mini2440_led1 = {
5102aa4a MP	438	.name = "s3c24xx_led",
	439	.id = 1,
	440	.dev = {
	441	.platform_data = &mini2440_led1_pdata,
	442	},
	443	};
	444
3ce2f76f	445	static struct platform_device mini2440_led2 = {
5102aa4a MP	446	.name = "s3c24xx_led",
	447	.id = 2,
	448	.dev = {
	449	.platform_data = &mini2440_led2_pdata,
	450	},
	451	};
	452
3ce2f76f	453	static struct platform_device mini2440_led3 = {
5102aa4a MP	454	.name = "s3c24xx_led",
	455	.id = 3,
	456	.dev = {
	457	.platform_data = &mini2440_led3_pdata,
	458	},
	459	};
	460
3ce2f76f	461	static struct platform_device mini2440_led4 = {
5102aa4a MP	462	.name = "s3c24xx_led",
	463	.id = 4,
	464	.dev = {
	465	.platform_data = &mini2440_led4_pdata,
	466	},
	467	};
	468
3ce2f76f	469	static struct platform_device mini2440_led_backlight = {
5102aa4a MP	470	.name = "s3c24xx_led",
	471	.id = 5,
	472	.dev = {
	473	.platform_data = &mini2440_led_backlight_pdata,
	474	},
	475	};
	476
	477	/* AUDIO */
	478
3ce2f76f	479	static struct s3c24xx_uda134x_platform_data mini2440_audio_pins = {
5102aa4a MP	480	.l3_clk = S3C2410_GPB(4),
	481	.l3_mode = S3C2410_GPB(2),
	482	.l3_data = S3C2410_GPB(3),
	483	.model = UDA134X_UDA1341
	484	};
	485
3ce2f76f	486	static struct platform_device mini2440_audio = {
5102aa4a MP	487	.name = "s3c24xx_uda134x",
	488	.id = 0,
	489	.dev = {
	490	.platform_data = &mini2440_audio_pins,
	491	},
	492	};
	493
	494	/*
	495	* I2C devices
	496	*/
	497	static struct at24_platform_data at24c08 = {
	498	.byte_len = SZ_8K / 8,
	499	.page_size = 16,
	500	};
	501
	502	static struct i2c_board_info mini2440_i2c_devs[] __initdata = {
	503	{
	504	I2C_BOARD_INFO("24c08", 0x50),
	505	.platform_data = &at24c08,
	506	},
	507	};
	508
	509	static struct platform_device *mini2440_devices[] __initdata = {
b813248c	510	&s3c_device_ohci,
5102aa4a	511	&s3c_device_wdt,
5102aa4a MP	512	&s3c_device_i2c0,
	513	&s3c_device_rtc,
	514	&s3c_device_usbgadget,
	515	&mini2440_device_eth,
	516	&mini2440_led1,
	517	&mini2440_led2,
	518	&mini2440_led3,
	519	&mini2440_led4,
	520	&mini2440_button_device,
	521	&s3c_device_nand,
	522	&s3c_device_sdi,
	523	&s3c_device_iis,
	524	&mini2440_audio,
5102aa4a MP	525	};
	526
	527	static void __init mini2440_map_io(void)
	528	{
	529	s3c24xx_init_io(mini2440_iodesc, ARRAY_SIZE(mini2440_iodesc));
	530	s3c24xx_init_clocks(12000000);
	531	s3c24xx_init_uarts(mini2440_uartcfgs, ARRAY_SIZE(mini2440_uartcfgs));
5102aa4a MP	532	}
	533
	534	/*
	535	* mini2440_features string
	536	*
	537	* t = Touchscreen present
	538	* b = backlight control
	539	* c = camera [TODO]
	540	* 0-9 LCD configuration
	541	*
	542	*/
	543	static char mini2440_features_str[12] __initdata = "0tb";
	544
	545	static int __init mini2440_features_setup(char *str)
	546	{
	547	if (str)
	548	strlcpy(mini2440_features_str, str, sizeof(mini2440_features_str));
	549	return 1;
	550	}
	551
	552	__setup("mini2440=", mini2440_features_setup);
	553
	554	#define FEATURE_SCREEN (1 << 0)
	555	#define FEATURE_BACKLIGHT (1 << 1)
	556	#define FEATURE_TOUCH (1 << 2)
	557	#define FEATURE_CAMERA (1 << 3)
	558
	559	struct mini2440_features_t {
	560	int count;
	561	int done;
	562	int lcd_index;
	563	struct platform_device *optional[8];
	564	};
	565
	566	static void mini2440_parse_features(
	567	struct mini2440_features_t * features,
	568	const char * features_str )
	569	{
	570	const char * fp = features_str;
	571
	572	features->count = 0;
	573	features->done = 0;
	574	features->lcd_index = -1;
	575
	576	while (*fp) {
	577	char f = *fp++;
	578
	579	switch (f) {
	580	case '0'...'9': /* tft screen */
	581	if (features->done & FEATURE_SCREEN) {
	582	printk(KERN_INFO "MINI2440: '%c' ignored, "
	583	"screen type already set\n", f);
	584	} else {
	585	int li = f - '0';
	586	if (li >= ARRAY_SIZE(mini2440_lcd_cfg))
	587	printk(KERN_INFO "MINI2440: "
	588	"'%c' out of range LCD mode\n", f);
	589	else {
	590	features->optional[features->count++] =
	591	&s3c_device_lcd;
	592	features->lcd_index = li;
	593	}
	594	}
	595	features->done \|= FEATURE_SCREEN;
596	break;
597	case 'b':
598	if (features->done & FEATURE_BACKLIGHT)
599	printk(KERN_INFO "MINI2440: '%c' ignored, "
600	"backlight already set\n", f);
601	else {
602	features->optional[features->count++] =
603	&mini2440_led_backlight;
604	}
605	features->done \|= FEATURE_BACKLIGHT;
606	break;
607	case 't':
608	printk(KERN_INFO "MINI2440: '%c' ignored, "
609	"touchscreen not compiled in\n", f);
610	break;
611	case 'c':
612	if (features->done & FEATURE_CAMERA)
613	printk(KERN_INFO "MINI2440: '%c' ignored, "
614	"camera already registered\n", f);
615	else
616	features->optional[features->count++] =
617	&s3c_device_camif;
618	features->done \|= FEATURE_CAMERA;
619	break;
620	}
621	}
622	}
623
624	static void __init mini2440_init(void)
625	{
626	struct mini2440_features_t features = { 0 };
627	int i;
628
629	printk(KERN_INFO "MINI2440: Option string mini2440=%s\n",
630	mini2440_features_str);
631
632	/* Parse the feature string */
633	mini2440_parse_features(&features, mini2440_features_str);
634
635	/* turn LCD on */
40b956f0	636	s3c_gpio_cfgpin(S3C2410_GPC(0), S3C2410_GPC0_LEND);
5102aa4a MP	637
5102aa4a MP	638	/* Turn the backlight early on */
64f508da BD	639	WARN_ON(gpio_request(S3C2410_GPG(4), "backlight"));
64f508da BD	640	gpio_direction_output(S3C2410_GPG(4), 1);
5102aa4a MP	641
5102aa4a MP	642	/* remove pullup on optional PWM backlight -- unused on 3.5 and 7"s */
64f508da	643	s3c_gpio_setpull(S3C2410_GPB(1), S3C_GPIO_PULL_UP);
5102aa4a	644	s3c2410_gpio_setpin(S3C2410_GPB(1), 0);
40b956f0	645	s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPIO_INPUT);
5102aa4a MP	646
5102aa4a MP	647	/* Make sure the D+ pullup pin is output */
64f508da BD	648	WARN_ON(gpio_request(S3C2410_GPC(5), "udc pup"));
64f508da BD	649	gpio_direction_output(S3C2410_GPC(5), 0);
5102aa4a MP	650
	651	/* mark the key as input, without pullups (there is one on the board) */
	652	for (i = 0; i < ARRAY_SIZE(mini2440_buttons); i++) {
64f508da BD	653	s3c_gpio_setpull(mini2440_buttons[i].gpio, S3C_GPIO_PULL_UP);
64f508da BD	654	s3c_gpio_cfgpin(mini2440_buttons[i].gpio, S3C2410_GPIO_INPUT);
5102aa4a MP	655	}
	656	if (features.lcd_index != -1) {
	657	int li;
	658
	659	mini2440_fb_info.displays =
	660	&mini2440_lcd_cfg[features.lcd_index];
	661
	662	printk(KERN_INFO "MINI2440: LCD");
	663	for (li = 0; li < ARRAY_SIZE(mini2440_lcd_cfg); li++)
	664	if (li == features.lcd_index)
	665	printk(" [%d:%dx%d]", li,
	666	mini2440_lcd_cfg[li].width,
	667	mini2440_lcd_cfg[li].height);
	668	else
	669	printk(" %d:%dx%d", li,
	670	mini2440_lcd_cfg[li].width,
	671	mini2440_lcd_cfg[li].height);
	672	printk("\n");
	673	s3c24xx_fb_set_platdata(&mini2440_fb_info);
	674	}
2a3a1804	675
5102aa4a	676	s3c24xx_udc_set_platdata(&mini2440_udc_cfg);
22c810ab	677	s3c24xx_mci_set_platdata(&mini2440_mmc_cfg);
2a3a1804	678	s3c_nand_set_platdata(&mini2440_nand_info);
5102aa4a	679	s3c_i2c0_set_platdata(NULL);
2a3a1804	680
5102aa4a MP	681	i2c_register_board_info(0, mini2440_i2c_devs,
	682	ARRAY_SIZE(mini2440_i2c_devs));
	683
	684	platform_add_devices(mini2440_devices, ARRAY_SIZE(mini2440_devices));
	685
	686	if (features.count) /* the optional features */
	687	platform_add_devices(features.optional, features.count);
	688
	689	}
	690
	691
	692	MACHINE_START(MINI2440, "MINI2440")
	693	/* Maintainer: Michel Pollet <buserror@gmail.com> */
	694	.phys_io = S3C2410_PA_UART,
	695	.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
	696	.boot_params = S3C2410_SDRAM_PA + 0x100,
	697	.map_io = mini2440_map_io,
	698	.init_machine = mini2440_init,
	699	.init_irq = s3c24xx_init_irq,
	700	.timer = &s3c24xx_timer,
	701	MACHINE_END