[deliverable/linux.git] / arch / arm / mach-s3c2410 / mach-n30.c

/* Machine specific code for the Acer n30, Acer N35, Navman PiN 570,
 * Yakumo AlphaX and Airis NC05 PDAs.
 *
 * Copyright (c) 2003-2005 Simtec Electronics
 *	Ben Dooks <ben@simtec.co.uk>
 *
 * Copyright (c) 2005-2008 Christer Weinigel <christer@weinigel.se>
 *
 * There is a wiki with more information about the n30 port at
 * http://handhelds.org/moin/moin.cgi/AcerN30Documentation .
 *
 * 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/gpio_keys.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <linux/timer.h>
#include <linux/io.h>
#include <linux/mmc/host.h>

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

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

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

#include <plat/iic.h>
#include <plat/regs-serial.h>

#include <plat/clock.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/mci.h>
#include <plat/s3c2410.h>
#include <plat/udc.h>

static struct map_desc n30_iodesc[] __initdata = {
	/* nothing here yet */
};

static struct s3c2410_uartcfg n30_uartcfgs[] = {
	/* Normal serial port */
	[0] = {
		.hwport	     = 0,
		.flags	     = 0,
		.ucon	     = 0x2c5,
		.ulcon	     = 0x03,
		.ufcon	     = 0x51,
	},
	/* IR port */
	[1] = {
		.hwport	     = 1,
		.flags	     = 0,
		.uart_flags  = UPF_CONS_FLOW,
		.ucon	     = 0x2c5,
		.ulcon	     = 0x43,
		.ufcon	     = 0x51,
	},
	/* On the N30 the bluetooth controller is connected here.
	 * On the N35 and variants the GPS receiver is connected here. */
	[2] = {
		.hwport	     = 2,
		.flags	     = 0,
		.ucon	     = 0x2c5,
		.ulcon	     = 0x03,
		.ufcon	     = 0x51,
	},
};

static void n30_udc_pullup(enum s3c2410_udc_cmd_e cmd)
{
	switch (cmd) {
	case S3C2410_UDC_P_ENABLE :
		s3c2410_gpio_setpin(S3C2410_GPB(3), 1);
		break;
	case S3C2410_UDC_P_DISABLE :
		s3c2410_gpio_setpin(S3C2410_GPB(3), 0);
		break;
	case S3C2410_UDC_P_RESET :
		break;
	default:
		break;
	}
}

static struct s3c2410_udc_mach_info n30_udc_cfg __initdata = {
	.udc_command		= n30_udc_pullup,
	.vbus_pin		= S3C2410_GPG(1),
	.vbus_pin_inverted	= 0,
};

static struct gpio_keys_button n30_buttons[] = {
	{
		.gpio		= S3C2410_GPF(0),
		.code		= KEY_POWER,
		.desc		= "Power",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPG(9),
		.code		= KEY_UP,
		.desc		= "Thumbwheel Up",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPG(8),
		.code		= KEY_DOWN,
		.desc		= "Thumbwheel Down",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPG(7),
		.code		= KEY_ENTER,
		.desc		= "Thumbwheel Press",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPF(7),
		.code		= KEY_HOMEPAGE,
		.desc		= "Home",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPF(6),
		.code		= KEY_CALENDAR,
		.desc		= "Calendar",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPF(5),
		.code		= KEY_ADDRESSBOOK,
		.desc		= "Contacts",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPF(4),
		.code		= KEY_MAIL,
		.desc		= "Mail",
		.active_low	= 0,
	},
};

static struct gpio_keys_platform_data n30_button_data = {
	.buttons	= n30_buttons,
	.nbuttons	= ARRAY_SIZE(n30_buttons),
};

static struct platform_device n30_button_device = {
	.name		= "gpio-keys",
	.id		= -1,
	.dev		= {
		.platform_data	= &n30_button_data,
	}
};

static struct gpio_keys_button n35_buttons[] = {
	{
		.gpio		= S3C2410_GPF(0),
		.code		= KEY_POWER,
		.type		= EV_PWR,
		.desc		= "Power",
		.active_low	= 0,
		.wakeup		= 1,
	},
	{
		.gpio		= S3C2410_GPG(9),
		.code		= KEY_UP,
		.desc		= "Joystick Up",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPG(8),
		.code		= KEY_DOWN,
		.desc		= "Joystick Down",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPG(6),
		.code		= KEY_DOWN,
		.desc		= "Joystick Left",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPG(5),
		.code		= KEY_DOWN,
		.desc		= "Joystick Right",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPG(7),
		.code		= KEY_ENTER,
		.desc		= "Joystick Press",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPF(7),
		.code		= KEY_HOMEPAGE,
		.desc		= "Home",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPF(6),
		.code		= KEY_CALENDAR,
		.desc		= "Calendar",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPF(5),
		.code		= KEY_ADDRESSBOOK,
		.desc		= "Contacts",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPF(4),
		.code		= KEY_MAIL,
		.desc		= "Mail",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPF(3),
		.code		= SW_RADIO,
		.desc		= "GPS Antenna",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPG(2),
		.code		= SW_HEADPHONE_INSERT,
		.desc		= "Headphone",
		.active_low	= 0,
	},
};

static struct gpio_keys_platform_data n35_button_data = {
	.buttons	= n35_buttons,
	.nbuttons	= ARRAY_SIZE(n35_buttons),
};

static struct platform_device n35_button_device = {
	.name		= "gpio-keys",
	.id		= -1,
	.num_resources	= 0,
	.dev		= {
		.platform_data	= &n35_button_data,
	}
};

/* This is the bluetooth LED on the device. */
static struct s3c24xx_led_platdata n30_blue_led_pdata = {
	.name		= "blue_led",
	.gpio		= S3C2410_GPG(6),
	.def_trigger	= "",
};

/* This is the blue LED on the device. Originaly used to indicate GPS activity
 * by flashing. */
static struct s3c24xx_led_platdata n35_blue_led_pdata = {
	.name		= "blue_led",
	.gpio		= S3C2410_GPD(8),
	.def_trigger	= "",
};

/* This LED is driven by the battery microcontroller, and is blinking
 * red, blinking green or solid green when the battery is low,
 * charging or full respectively.  By driving GPD9 low, it's possible
 * to force the LED to blink red, so call that warning LED.  */
static struct s3c24xx_led_platdata n30_warning_led_pdata = {
	.name		= "warning_led",
	.flags          = S3C24XX_LEDF_ACTLOW,
	.gpio		= S3C2410_GPD(9),
	.def_trigger	= "",
};

static struct s3c24xx_led_platdata n35_warning_led_pdata = {
	.name		= "warning_led",
	.flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
	.gpio		= S3C2410_GPD(9),
	.def_trigger	= "",
};

static struct platform_device n30_blue_led = {
	.name		= "s3c24xx_led",
	.id		= 1,
	.dev		= {
		.platform_data	= &n30_blue_led_pdata,
	},
};

static struct platform_device n35_blue_led = {
	.name		= "s3c24xx_led",
	.id		= 1,
	.dev		= {
		.platform_data	= &n35_blue_led_pdata,
	},
};

static struct platform_device n30_warning_led = {
	.name		= "s3c24xx_led",
	.id		= 2,
	.dev		= {
		.platform_data	= &n30_warning_led_pdata,
	},
};

static struct platform_device n35_warning_led = {
	.name		= "s3c24xx_led",
	.id		= 2,
	.dev		= {
		.platform_data	= &n35_warning_led_pdata,
	},
};

static struct s3c2410fb_display n30_display __initdata = {
	.type		= S3C2410_LCDCON1_TFT,
	.width		= 240,
	.height		= 320,
	.pixclock	= 170000,

	.xres		= 240,
	.yres		= 320,
	.bpp		= 16,
	.left_margin	= 3,
	.right_margin	= 40,
	.hsync_len	= 40,
	.upper_margin	= 2,
	.lower_margin	= 3,
	.vsync_len	= 2,

	.lcdcon5 = S3C2410_LCDCON5_INVVLINE | S3C2410_LCDCON5_INVVFRAME,
};

static struct s3c2410fb_mach_info n30_fb_info __initdata = {
	.displays	= &n30_display,
	.num_displays	= 1,
	.default_display = 0,
	.lpcsel		= 0x06,
};

static struct s3c24xx_mci_pdata n30_mci_cfg __initdata = {
	.gpio_detect	= S3C2410_GPF(1),
	.gpio_wprotect  = S3C2410_GPG(10),
	.ocr_avail	= MMC_VDD_32_33,
};

static struct platform_device *n30_devices[] __initdata = {
	&s3c_device_lcd,
	&s3c_device_wdt,
	&s3c_device_i2c0,
	&s3c_device_iis,
	&s3c_device_ohci,
	&s3c_device_rtc,
	&s3c_device_usbgadget,
	&s3c_device_sdi,
	&n30_button_device,
	&n30_blue_led,
	&n30_warning_led,
};

static struct platform_device *n35_devices[] __initdata = {
	&s3c_device_lcd,
	&s3c_device_wdt,
	&s3c_device_i2c0,
	&s3c_device_iis,
	&s3c_device_rtc,
	&s3c_device_usbgadget,
	&s3c_device_sdi,
	&n35_button_device,
	&n35_blue_led,
	&n35_warning_led,
};

static struct s3c2410_platform_i2c __initdata n30_i2ccfg = {
	.flags		= 0,
	.slave_addr	= 0x10,
	.frequency	= 10*1000,
};

/* Lots of hardcoded stuff, but it sets up the hardware in a useful
 * state so that we can boot Linux directly from flash. */
static void __init n30_hwinit(void)
{
	/* GPA0-11 special functions -- unknown what they do
	 * GPA12 N30 special function -- unknown what it does
	 *       N35/PiN output -- unknown what it does
	 *
	 * A12 is nGCS1 on the N30 and an output on the N35/PiN.  I
	 * don't think it does anything useful on the N30, so I ought
	 * to make it an output there too since it always driven to 0
	 * as far as I can tell. */
	if (machine_is_n30())
		__raw_writel(0x007fffff, S3C2410_GPACON);
	if (machine_is_n35())
		__raw_writel(0x007fefff, S3C2410_GPACON);
	__raw_writel(0x00000000, S3C2410_GPADAT);

	/* GPB0 TOUT0 backlight level
	 * GPB1 output 1=backlight on
	 * GPB2 output IrDA enable 0=transceiver enabled, 1=disabled
	 * GPB3 output USB D+ pull up 0=disabled, 1=enabled
	 * GPB4 N30 output -- unknown function
	 *      N30/PiN GPS control 0=GPS enabled, 1=GPS disabled
	 * GPB5 output -- unknown function
	 * GPB6 input -- unknown function
	 * GPB7 output -- unknown function
	 * GPB8 output -- probably LCD driver enable
	 * GPB9 output -- probably LCD VSYNC driver enable
	 * GPB10 output -- probably LCD HSYNC driver enable
	 */
	__raw_writel(0x00154556, S3C2410_GPBCON);
	__raw_writel(0x00000750, S3C2410_GPBDAT);
	__raw_writel(0x00000073, S3C2410_GPBUP);

	/* GPC0 input RS232 DCD/DSR/RI
	 * GPC1 LCD
	 * GPC2 output RS232 DTR?
	 * GPC3 input RS232 DCD/DSR/RI
	 * GPC4 LCD
	 * GPC5 output 0=NAND write enabled, 1=NAND write protect
	 * GPC6 input -- unknown function
	 * GPC7 input charger status 0=charger connected
	 *      this input can be triggered by power on the USB device
	 *      port too, but will go back to disconnected soon after.
	 * GPC8 N30/N35 output -- unknown function, always driven to 1
	 *      PiN input -- unknown function, always read as 1
	 *      Make it an input with a pull up for all models.
	 * GPC9-15 LCD
	 */
	__raw_writel(0xaaa80618, S3C2410_GPCCON);
	__raw_writel(0x0000014c, S3C2410_GPCDAT);
	__raw_writel(0x0000fef2, S3C2410_GPCUP);

	/* GPD0 input -- unknown function
	 * GPD1-D7 LCD
	 * GPD8 N30 output -- unknown function
	 *      N35/PiN output 1=GPS LED on
	 * GPD9 output 0=power led blinks red, 1=normal power led function
	 * GPD10 output -- unknown function
	 * GPD11-15 LCD drivers
	 */
	__raw_writel(0xaa95aaa4, S3C2410_GPDCON);
	__raw_writel(0x00000601, S3C2410_GPDDAT);
	__raw_writel(0x0000fbfe, S3C2410_GPDUP);

	/* GPE0-4 I2S audio bus
	 * GPE5-10 SD/MMC bus
	 * E11-13 outputs -- unknown function, probably power management
	 * E14-15 I2C bus connected to the battery controller
	 */
	__raw_writel(0xa56aaaaa, S3C2410_GPECON);
	__raw_writel(0x0000efc5, S3C2410_GPEDAT);
	__raw_writel(0x0000f81f, S3C2410_GPEUP);

	/* GPF0  input 0=power button pressed
	 * GPF1  input SD/MMC switch 0=card present
	 * GPF2  N30 1=reset button pressed (inverted compared to the rest)
	 *	 N35/PiN 0=reset button pressed
	 * GPF3  N30/PiN input -- unknown function
	 *       N35 input GPS antenna position, 0=antenna closed, 1=open
	 * GPF4  input 0=button 4 pressed
	 * GPF5  input 0=button 3 pressed
	 * GPF6  input 0=button 2 pressed
	 * GPF7  input 0=button 1 pressed
	 */
	__raw_writel(0x0000aaaa, S3C2410_GPFCON);
	__raw_writel(0x00000000, S3C2410_GPFDAT);
	__raw_writel(0x000000ff, S3C2410_GPFUP);

	/* GPG0  input RS232 DCD/DSR/RI
	 * GPG1  input 1=USB gadget port has power from a host
	 * GPG2  N30 input -- unknown function
	 *       N35/PiN input 0=headphones plugged in, 1=not plugged in
	 * GPG3  N30 output -- unknown function
	 *       N35/PiN input with unknown function
	 * GPG4  N30 output 0=MMC enabled, 1=MMC disabled
	 * GPG5  N30 output 0=BlueTooth chip disabled, 1=enabled
	 *       N35/PiN input joystick right
	 * GPG6  N30 output 0=blue led on, 1=off
	 *       N35/PiN input joystick left
	 * GPG7  input 0=thumbwheel pressed
	 * GPG8  input 0=thumbwheel down
	 * GPG9  input 0=thumbwheel up
	 * GPG10 input SD/MMC write protect switch
	 * GPG11 N30 input -- unknown function
	 *       N35 output 0=GPS antenna powered, 1=not powered
	 *       PiN output -- unknown function
	 * GPG12-15 touch screen functions
	 *
	 * The pullups differ between the models, so enable all
	 * pullups that are enabled on any of the models.
	 */
	if (machine_is_n30())
		__raw_writel(0xff0a956a, S3C2410_GPGCON);
	if (machine_is_n35())
		__raw_writel(0xff4aa92a, S3C2410_GPGCON);
	__raw_writel(0x0000e800, S3C2410_GPGDAT);
	__raw_writel(0x0000f86f, S3C2410_GPGUP);

	/* GPH0/1/2/3 RS232 serial port
	 * GPH4/5 IrDA serial port
	 * GPH6/7  N30 BlueTooth serial port
	 *         N35/PiN GPS receiver
	 * GPH8 input -- unknown function
	 * GPH9 CLKOUT0 HCLK -- unknown use
	 * GPH10 CLKOUT1 FCLK -- unknown use
	 *
	 * The pull ups for H6/H7 are enabled on N30 but not on the
	 * N35/PiN.  I suppose is useful for a budget model of the N30
	 * with no bluetooh.  It doesn't hurt to have the pull ups
	 * enabled on the N35, so leave them enabled for all models.
	 */
	__raw_writel(0x0028aaaa, S3C2410_GPHCON);
	__raw_writel(0x000005ef, S3C2410_GPHDAT);
	__raw_writel(0x0000063f, S3C2410_GPHUP);
}

static void __init n30_map_io(void)
{
	s3c24xx_init_io(n30_iodesc, ARRAY_SIZE(n30_iodesc));
	n30_hwinit();
	s3c24xx_init_clocks(0);
	s3c24xx_init_uarts(n30_uartcfgs, ARRAY_SIZE(n30_uartcfgs));
}

static void __init n30_init_irq(void)
{
	s3c24xx_init_irq();
}

/* GPB3 is the line that controls the pull-up for the USB D+ line */

static void __init n30_init(void)
{
	s3c24xx_fb_set_platdata(&n30_fb_info);
	s3c24xx_udc_set_platdata(&n30_udc_cfg);
	s3c24xx_mci_set_platdata(&n30_mci_cfg);
	s3c_i2c0_set_platdata(&n30_i2ccfg);

	/* Turn off suspend on both USB ports, and switch the
	 * selectable USB port to USB device mode. */

	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
			      S3C2410_MISCCR_USBSUSPND0 |
			      S3C2410_MISCCR_USBSUSPND1, 0x0);

	if (machine_is_n30()) {
		/* Turn off suspend on both USB ports, and switch the
		 * selectable USB port to USB device mode. */
		s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
				      S3C2410_MISCCR_USBSUSPND0 |
				      S3C2410_MISCCR_USBSUSPND1, 0x0);

		platform_add_devices(n30_devices, ARRAY_SIZE(n30_devices));
	}

	if (machine_is_n35()) {
		/* Turn off suspend and switch the selectable USB port
		 * to USB device mode.  Turn on suspend for the host
		 * port since it is not connected on the N35.
		 *
		 * Actually, the host port is available at some pads
		 * on the back of the device, so it would actually be
		 * possible to add a USB device inside the N35 if you
		 * are willing to do some hardware modifications. */
		s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
				      S3C2410_MISCCR_USBSUSPND0 |
				      S3C2410_MISCCR_USBSUSPND1,
				      S3C2410_MISCCR_USBSUSPND0);

		platform_add_devices(n35_devices, ARRAY_SIZE(n35_devices));
	}
}

MACHINE_START(N30, "Acer-N30")
	/* Maintainer: Christer Weinigel <christer@weinigel.se>,
				Ben Dooks <ben-linux@fluff.org>
	*/
	.phys_io	= S3C2410_PA_UART,
	.io_pg_offst	= (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
	.boot_params	= S3C2410_SDRAM_PA + 0x100,
	.timer		= &s3c24xx_timer,
	.init_machine	= n30_init,
	.init_irq	= n30_init_irq,
	.map_io		= n30_map_io,
MACHINE_END

MACHINE_START(N35, "Acer-N35")
	/* Maintainer: Christer Weinigel <christer@weinigel.se>
	*/
	.phys_io	= S3C2410_PA_UART,
	.io_pg_offst	= (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
	.boot_params	= S3C2410_SDRAM_PA + 0x100,
	.timer		= &s3c24xx_timer,
	.init_machine	= n30_init,
	.init_irq	= n30_init_irq,
	.map_io		= n30_map_io,
MACHINE_END
Commit	Line	Data
95790873 CW	1	/* Machine specific code for the Acer n30, Acer N35, Navman PiN 570,
95790873 CW	2	* Yakumo AlphaX and Airis NC05 PDAs.
1da177e4 LT	3	*
	4	* Copyright (c) 2003-2005 Simtec Electronics
	5	* Ben Dooks <ben@simtec.co.uk>
	6	*
196a0475	7	* Copyright (c) 2005-2008 Christer Weinigel <christer@weinigel.se>
1da177e4 LT	8	*
	9	* There is a wiki with more information about the n30 port at
	10	* http://handhelds.org/moin/moin.cgi/AcerN30Documentation .
	11	*
	12	* This program is free software; you can redistribute it and/or modify
	13	* it under the terms of the GNU General Public License version 2 as
	14	* published by the Free Software Foundation.
95790873	15	*/
1da177e4 LT	16
	17	#include <linux/kernel.h>
	18	#include <linux/types.h>
196a0475	19
62065750	20	#include <linux/gpio_keys.h>
196a0475	21	#include <linux/init.h>
ec976d6e	22	#include <linux/gpio.h>
62065750	23	#include <linux/input.h>
196a0475	24	#include <linux/interrupt.h>
d052d1be	25	#include <linux/platform_device.h>
196a0475 CW	26	#include <linux/serial_core.h>
196a0475 CW	27	#include <linux/timer.h>
fced80c7	28	#include <linux/io.h>
50cdba78	29	#include <linux/mmc/host.h>
1da177e4	30
a09e64fb	31	#include <mach/hardware.h>
1da177e4 LT	32	#include <asm/irq.h>
	33	#include <asm/mach-types.h>
	34
a09e64fb RK	35	#include <mach/fb.h>
	36	#include <mach/leds-gpio.h>
	37	#include <mach/regs-gpio.h>
	38	#include <mach/regs-lcd.h>
196a0475 CW	39
	40	#include <asm/mach/arch.h>
	41	#include <asm/mach/irq.h>
	42	#include <asm/mach/map.h>
	43
9498cb79	44	#include <plat/iic.h>
a2b7ba9c	45	#include <plat/regs-serial.h>
1da177e4	46
d5120ae7	47	#include <plat/clock.h>
a2b7ba9c BD	48	#include <plat/cpu.h>
a2b7ba9c BD	49	#include <plat/devs.h>
50cdba78	50	#include <plat/mci.h>
a2b7ba9c	51	#include <plat/s3c2410.h>
57bd4b91	52	#include <plat/udc.h>
1da177e4 LT	53
	54	static struct map_desc n30_iodesc[] __initdata = {
	55	/* nothing here yet */
	56	};
	57
	58	static struct s3c2410_uartcfg n30_uartcfgs[] = {
	59	/* Normal serial port */
	60	[0] = {
	61	.hwport = 0,
	62	.flags = 0,
	63	.ucon = 0x2c5,
	64	.ulcon = 0x03,
	65	.ufcon = 0x51,
	66	},
	67	/* IR port */
	68	[1] = {
	69	.hwport = 1,
	70	.flags = 0,
	71	.uart_flags = UPF_CONS_FLOW,
	72	.ucon = 0x2c5,
	73	.ulcon = 0x43,
	74	.ufcon = 0x51,
	75	},
95790873 CW	76	/* On the N30 the bluetooth controller is connected here.
95790873 CW	77	* On the N35 and variants the GPS receiver is connected here. */
1da177e4 LT	78	[2] = {
	79	.hwport = 2,
	80	.flags = 0,
	81	.ucon = 0x2c5,
	82	.ulcon = 0x03,
	83	.ufcon = 0x51,
	84	},
	85	};
	86
d088e5fe CW	87	static void n30_udc_pullup(enum s3c2410_udc_cmd_e cmd)
d088e5fe CW	88	{
a6755780 BD	89	switch (cmd) {
a6755780 BD	90	case S3C2410_UDC_P_ENABLE :
070276d5	91	s3c2410_gpio_setpin(S3C2410_GPB(3), 1);
a6755780 BD	92	break;
a6755780 BD	93	case S3C2410_UDC_P_DISABLE :
070276d5	94	s3c2410_gpio_setpin(S3C2410_GPB(3), 0);
a6755780 BD	95	break;
	96	case S3C2410_UDC_P_RESET :
	97	break;
	98	default:
	99	break;
d088e5fe CW	100	}
	101	}
	102
	103	static struct s3c2410_udc_mach_info n30_udc_cfg __initdata = {
	104	.udc_command = n30_udc_pullup,
070276d5	105	.vbus_pin = S3C2410_GPG(1),
d088e5fe CW	106	.vbus_pin_inverted = 0,
	107	};
	108
62065750 CW	109	static struct gpio_keys_button n30_buttons[] = {
62065750 CW	110	{
070276d5	111	.gpio = S3C2410_GPF(0),
62065750 CW	112	.code = KEY_POWER,
	113	.desc = "Power",
	114	.active_low = 0,
	115	},
	116	{
070276d5	117	.gpio = S3C2410_GPG(9),
62065750 CW	118	.code = KEY_UP,
	119	.desc = "Thumbwheel Up",
	120	.active_low = 0,
	121	},
	122	{
070276d5	123	.gpio = S3C2410_GPG(8),
62065750 CW	124	.code = KEY_DOWN,
	125	.desc = "Thumbwheel Down",
	126	.active_low = 0,
	127	},
	128	{
070276d5	129	.gpio = S3C2410_GPG(7),
62065750 CW	130	.code = KEY_ENTER,
	131	.desc = "Thumbwheel Press",
	132	.active_low = 0,
	133	},
	134	{
070276d5	135	.gpio = S3C2410_GPF(7),
62065750 CW	136	.code = KEY_HOMEPAGE,
	137	.desc = "Home",
	138	.active_low = 0,
	139	},
	140	{
070276d5	141	.gpio = S3C2410_GPF(6),
62065750 CW	142	.code = KEY_CALENDAR,
	143	.desc = "Calendar",
	144	.active_low = 0,
	145	},
	146	{
070276d5	147	.gpio = S3C2410_GPF(5),
62065750 CW	148	.code = KEY_ADDRESSBOOK,
	149	.desc = "Contacts",
	150	.active_low = 0,
	151	},
	152	{
070276d5	153	.gpio = S3C2410_GPF(4),
62065750 CW	154	.code = KEY_MAIL,
	155	.desc = "Mail",
	156	.active_low = 0,
	157	},
	158	};
	159
	160	static struct gpio_keys_platform_data n30_button_data = {
	161	.buttons = n30_buttons,
	162	.nbuttons = ARRAY_SIZE(n30_buttons),
	163	};
	164
	165	static struct platform_device n30_button_device = {
	166	.name = "gpio-keys",
	167	.id = -1,
	168	.dev = {
	169	.platform_data = &n30_button_data,
	170	}
	171	};
	172
95790873 CW	173	static struct gpio_keys_button n35_buttons[] = {
95790873 CW	174	{
070276d5	175	.gpio = S3C2410_GPF(0),
95790873	176	.code = KEY_POWER,
aeb1b7e4	177	.type = EV_PWR,
95790873 CW	178	.desc = "Power",
95790873 CW	179	.active_low = 0,
aeb1b7e4	180	.wakeup = 1,
95790873 CW	181	},
95790873 CW	182	{
070276d5	183	.gpio = S3C2410_GPG(9),
95790873 CW	184	.code = KEY_UP,
	185	.desc = "Joystick Up",
	186	.active_low = 0,
	187	},
	188	{
070276d5	189	.gpio = S3C2410_GPG(8),
95790873 CW	190	.code = KEY_DOWN,
	191	.desc = "Joystick Down",
	192	.active_low = 0,
	193	},
	194	{
070276d5	195	.gpio = S3C2410_GPG(6),
95790873 CW	196	.code = KEY_DOWN,
	197	.desc = "Joystick Left",
	198	.active_low = 0,
	199	},
	200	{
070276d5	201	.gpio = S3C2410_GPG(5),
95790873 CW	202	.code = KEY_DOWN,
	203	.desc = "Joystick Right",
	204	.active_low = 0,
	205	},
	206	{
070276d5	207	.gpio = S3C2410_GPG(7),
95790873 CW	208	.code = KEY_ENTER,
	209	.desc = "Joystick Press",
	210	.active_low = 0,
	211	},
	212	{
070276d5	213	.gpio = S3C2410_GPF(7),
95790873 CW	214	.code = KEY_HOMEPAGE,
	215	.desc = "Home",
	216	.active_low = 0,
	217	},
	218	{
070276d5	219	.gpio = S3C2410_GPF(6),
95790873 CW	220	.code = KEY_CALENDAR,
	221	.desc = "Calendar",
	222	.active_low = 0,
	223	},
	224	{
070276d5	225	.gpio = S3C2410_GPF(5),
95790873 CW	226	.code = KEY_ADDRESSBOOK,
	227	.desc = "Contacts",
	228	.active_low = 0,
	229	},
	230	{
070276d5	231	.gpio = S3C2410_GPF(4),
95790873 CW	232	.code = KEY_MAIL,
	233	.desc = "Mail",
	234	.active_low = 0,
	235	},
	236	{
070276d5	237	.gpio = S3C2410_GPF(3),
95790873 CW	238	.code = SW_RADIO,
	239	.desc = "GPS Antenna",
	240	.active_low = 0,
	241	},
	242	{
070276d5	243	.gpio = S3C2410_GPG(2),
95790873 CW	244	.code = SW_HEADPHONE_INSERT,
	245	.desc = "Headphone",
	246	.active_low = 0,
	247	},
	248	};
	249
	250	static struct gpio_keys_platform_data n35_button_data = {
	251	.buttons = n35_buttons,
	252	.nbuttons = ARRAY_SIZE(n35_buttons),
	253	};
	254
	255	static struct platform_device n35_button_device = {
	256	.name = "gpio-keys",
	257	.id = -1,
	258	.num_resources = 0,
	259	.dev = {
	260	.platform_data = &n35_button_data,
	261	}
	262	};
	263
865cc639 CW	264	/* This is the bluetooth LED on the device. */
	265	static struct s3c24xx_led_platdata n30_blue_led_pdata = {
	266	.name = "blue_led",
070276d5	267	.gpio = S3C2410_GPG(6),
865cc639 CW	268	.def_trigger = "",
	269	};
	270
319887ee P	271	/* This is the blue LED on the device. Originaly used to indicate GPS activity
	272	* by flashing. */
	273	static struct s3c24xx_led_platdata n35_blue_led_pdata = {
	274	.name = "blue_led",
	275	.gpio = S3C2410_GPD(8),
	276	.def_trigger = "",
	277	};
	278
865cc639 CW	279	/* This LED is driven by the battery microcontroller, and is blinking
	280	* red, blinking green or solid green when the battery is low,
	281	* charging or full respectively. By driving GPD9 low, it's possible
	282	* to force the LED to blink red, so call that warning LED. */
	283	static struct s3c24xx_led_platdata n30_warning_led_pdata = {
	284	.name = "warning_led",
	285	.flags = S3C24XX_LEDF_ACTLOW,
070276d5	286	.gpio = S3C2410_GPD(9),
865cc639 CW	287	.def_trigger = "",
	288	};
	289
319887ee P	290	static struct s3c24xx_led_platdata n35_warning_led_pdata = {
	291	.name = "warning_led",
	292	.flags = S3C24XX_LEDF_ACTLOW \| S3C24XX_LEDF_TRISTATE,
	293	.gpio = S3C2410_GPD(9),
	294	.def_trigger = "",
	295	};
	296
865cc639 CW	297	static struct platform_device n30_blue_led = {
	298	.name = "s3c24xx_led",
	299	.id = 1,
	300	.dev = {
	301	.platform_data = &n30_blue_led_pdata,
	302	},
	303	};
	304
319887ee P	305	static struct platform_device n35_blue_led = {
	306	.name = "s3c24xx_led",
	307	.id = 1,
	308	.dev = {
	309	.platform_data = &n35_blue_led_pdata,
	310	},
	311	};
	312
865cc639 CW	313	static struct platform_device n30_warning_led = {
	314	.name = "s3c24xx_led",
	315	.id = 2,
	316	.dev = {
	317	.platform_data = &n30_warning_led_pdata,
	318	},
	319	};
	320
319887ee P	321	static struct platform_device n35_warning_led = {
	322	.name = "s3c24xx_led",
	323	.id = 2,
	324	.dev = {
	325	.platform_data = &n35_warning_led_pdata,
	326	},
	327	};
	328
e43f2383	329	static struct s3c2410fb_display n30_display __initdata = {
a6755780 BD	330	.type = S3C2410_LCDCON1_TFT,
	331	.width = 240,
	332	.height = 320,
	333	.pixclock = 170000,
	334
	335	.xres = 240,
	336	.yres = 320,
	337	.bpp = 16,
	338	.left_margin = 3,
	339	.right_margin = 40,
	340	.hsync_len = 40,
	341	.upper_margin = 2,
	342	.lower_margin = 3,
	343	.vsync_len = 2,
e43f2383 CW	344
	345	.lcdcon5 = S3C2410_LCDCON5_INVVLINE \| S3C2410_LCDCON5_INVVFRAME,
	346	};
	347
	348	static struct s3c2410fb_mach_info n30_fb_info __initdata = {
a6755780 BD	349	.displays = &n30_display,
a6755780 BD	350	.num_displays = 1,
e43f2383	351	.default_display = 0,
a6755780	352	.lpcsel = 0x06,
e43f2383 CW	353	};
e43f2383 CW	354
50cdba78 P	355	static struct s3c24xx_mci_pdata n30_mci_cfg __initdata = {
	356	.gpio_detect = S3C2410_GPF(1),
	357	.gpio_wprotect = S3C2410_GPG(10),
	358	.ocr_avail = MMC_VDD_32_33,
	359	};
	360
1da177e4	361	static struct platform_device *n30_devices[] __initdata = {
1da177e4 LT	362	&s3c_device_lcd,
1da177e4 LT	363	&s3c_device_wdt,
3e1b776c	364	&s3c_device_i2c0,
1da177e4	365	&s3c_device_iis,
b813248c	366	&s3c_device_ohci,
8ecad349	367	&s3c_device_rtc,
1da177e4	368	&s3c_device_usbgadget,
50cdba78	369	&s3c_device_sdi,
62065750	370	&n30_button_device,
865cc639 CW	371	&n30_blue_led,
865cc639 CW	372	&n30_warning_led,
1da177e4 LT	373	};
1da177e4 LT	374
95790873 CW	375	static struct platform_device *n35_devices[] __initdata = {
	376	&s3c_device_lcd,
	377	&s3c_device_wdt,
3e1b776c	378	&s3c_device_i2c0,
95790873	379	&s3c_device_iis,
8ecad349	380	&s3c_device_rtc,
95790873	381	&s3c_device_usbgadget,
50cdba78	382	&s3c_device_sdi,
95790873	383	&n35_button_device,
319887ee P	384	&n35_blue_led,
319887ee P	385	&n35_warning_led,
95790873 CW	386	};
95790873 CW	387
7bcb7eda	388	static struct s3c2410_platform_i2c __initdata n30_i2ccfg = {
1da177e4 LT	389	.flags = 0,
1da177e4 LT	390	.slave_addr = 0x10,
c564e6ae	391	.frequency = 10*1000,
1da177e4 LT	392	};
1da177e4 LT	393
9a2ddb78 CW	394	/* Lots of hardcoded stuff, but it sets up the hardware in a useful
	395	* state so that we can boot Linux directly from flash. */
	396	static void __init n30_hwinit(void)
	397	{
	398	/* GPA0-11 special functions -- unknown what they do
	399	* GPA12 N30 special function -- unknown what it does
	400	* N35/PiN output -- unknown what it does
	401	*
	402	* A12 is nGCS1 on the N30 and an output on the N35/PiN. I
	403	* don't think it does anything useful on the N30, so I ought
	404	* to make it an output there too since it always driven to 0
	405	* as far as I can tell. */
	406	if (machine_is_n30())
	407	__raw_writel(0x007fffff, S3C2410_GPACON);
	408	if (machine_is_n35())
	409	__raw_writel(0x007fefff, S3C2410_GPACON);
	410	__raw_writel(0x00000000, S3C2410_GPADAT);
	411
	412	/* GPB0 TOUT0 backlight level
	413	* GPB1 output 1=backlight on
	414	* GPB2 output IrDA enable 0=transceiver enabled, 1=disabled
	415	* GPB3 output USB D+ pull up 0=disabled, 1=enabled
	416	* GPB4 N30 output -- unknown function
	417	* N30/PiN GPS control 0=GPS enabled, 1=GPS disabled
	418	* GPB5 output -- unknown function
	419	* GPB6 input -- unknown function
	420	* GPB7 output -- unknown function
	421	* GPB8 output -- probably LCD driver enable
	422	* GPB9 output -- probably LCD VSYNC driver enable
	423	* GPB10 output -- probably LCD HSYNC driver enable
	424	*/
	425	__raw_writel(0x00154556, S3C2410_GPBCON);
	426	__raw_writel(0x00000750, S3C2410_GPBDAT);
	427	__raw_writel(0x00000073, S3C2410_GPBUP);
	428
	429	/* GPC0 input RS232 DCD/DSR/RI
	430	* GPC1 LCD
	431	* GPC2 output RS232 DTR?
	432	* GPC3 input RS232 DCD/DSR/RI
	433	* GPC4 LCD
	434	* GPC5 output 0=NAND write enabled, 1=NAND write protect
	435	* GPC6 input -- unknown function
	436	* GPC7 input charger status 0=charger connected
	437	* this input can be triggered by power on the USB device
	438	* port too, but will go back to disconnected soon after.
	439	* GPC8 N30/N35 output -- unknown function, always driven to 1
	440	* PiN input -- unknown function, always read as 1
	441	* Make it an input with a pull up for all models.
	442	* GPC9-15 LCD
	443	*/
	444	__raw_writel(0xaaa80618, S3C2410_GPCCON);
	445	__raw_writel(0x0000014c, S3C2410_GPCDAT);
	446	__raw_writel(0x0000fef2, S3C2410_GPCUP);
	447
	448	/* GPD0 input -- unknown function
	449	* GPD1-D7 LCD
	450	* GPD8 N30 output -- unknown function
	451	* N35/PiN output 1=GPS LED on
	452	* GPD9 output 0=power led blinks red, 1=normal power led function
	453	* GPD10 output -- unknown function
	454	* GPD11-15 LCD drivers
	455	*/
	456	__raw_writel(0xaa95aaa4, S3C2410_GPDCON);
	457	__raw_writel(0x00000601, S3C2410_GPDDAT);
458	__raw_writel(0x0000fbfe, S3C2410_GPDUP);
459
460	/* GPE0-4 I2S audio bus
461	* GPE5-10 SD/MMC bus
462	* E11-13 outputs -- unknown function, probably power management
463	* E14-15 I2C bus connected to the battery controller
464	*/
465	__raw_writel(0xa56aaaaa, S3C2410_GPECON);
466	__raw_writel(0x0000efc5, S3C2410_GPEDAT);
467	__raw_writel(0x0000f81f, S3C2410_GPEUP);
468
469	/* GPF0 input 0=power button pressed
470	* GPF1 input SD/MMC switch 0=card present
471	* GPF2 N30 1=reset button pressed (inverted compared to the rest)
472	* N35/PiN 0=reset button pressed
473	* GPF3 N30/PiN input -- unknown function
474	* N35 input GPS antenna position, 0=antenna closed, 1=open
475	* GPF4 input 0=button 4 pressed
476	* GPF5 input 0=button 3 pressed
477	* GPF6 input 0=button 2 pressed
478	* GPF7 input 0=button 1 pressed
479	*/
480	__raw_writel(0x0000aaaa, S3C2410_GPFCON);
481	__raw_writel(0x00000000, S3C2410_GPFDAT);
482	__raw_writel(0x000000ff, S3C2410_GPFUP);
483
484	/* GPG0 input RS232 DCD/DSR/RI
485	* GPG1 input 1=USB gadget port has power from a host
486	* GPG2 N30 input -- unknown function
487	* N35/PiN input 0=headphones plugged in, 1=not plugged in
488	* GPG3 N30 output -- unknown function
489	* N35/PiN input with unknown function
490	* GPG4 N30 output 0=MMC enabled, 1=MMC disabled
491	* GPG5 N30 output 0=BlueTooth chip disabled, 1=enabled
492	* N35/PiN input joystick right
493	* GPG6 N30 output 0=blue led on, 1=off
494	* N35/PiN input joystick left
495	* GPG7 input 0=thumbwheel pressed
496	* GPG8 input 0=thumbwheel down
497	* GPG9 input 0=thumbwheel up
498	* GPG10 input SD/MMC write protect switch
499	* GPG11 N30 input -- unknown function
500	* N35 output 0=GPS antenna powered, 1=not powered
501	* PiN output -- unknown function
502	* GPG12-15 touch screen functions
503	*
504	* The pullups differ between the models, so enable all
505	* pullups that are enabled on any of the models.
506	*/
507	if (machine_is_n30())
508	__raw_writel(0xff0a956a, S3C2410_GPGCON);
509	if (machine_is_n35())
510	__raw_writel(0xff4aa92a, S3C2410_GPGCON);
511	__raw_writel(0x0000e800, S3C2410_GPGDAT);
512	__raw_writel(0x0000f86f, S3C2410_GPGUP);
513
514	/* GPH0/1/2/3 RS232 serial port
515	* GPH4/5 IrDA serial port
516	* GPH6/7 N30 BlueTooth serial port
517	* N35/PiN GPS receiver
518	* GPH8 input -- unknown function
519	* GPH9 CLKOUT0 HCLK -- unknown use
520	* GPH10 CLKOUT1 FCLK -- unknown use
521	*
522	* The pull ups for H6/H7 are enabled on N30 but not on the
523	* N35/PiN. I suppose is useful for a budget model of the N30
524	* with no bluetooh. It doesn't hurt to have the pull ups
525	* enabled on the N35, so leave them enabled for all models.
526	*/
527	__raw_writel(0x0028aaaa, S3C2410_GPHCON);
528	__raw_writel(0x000005ef, S3C2410_GPHDAT);
529	__raw_writel(0x0000063f, S3C2410_GPHUP);
530	}
531
5fe10ab1	532	static void __init n30_map_io(void)
1da177e4 LT	533	{
1da177e4 LT	534	s3c24xx_init_io(n30_iodesc, ARRAY_SIZE(n30_iodesc));
9a2ddb78	535	n30_hwinit();
1da177e4 LT	536	s3c24xx_init_clocks(0);
1da177e4 LT	537	s3c24xx_init_uarts(n30_uartcfgs, ARRAY_SIZE(n30_uartcfgs));
1da177e4 LT	538	}
1da177e4 LT	539
5fe10ab1	540	static void __init n30_init_irq(void)
1da177e4 LT	541	{
	542	s3c24xx_init_irq();
	543	}
	544
027da01d	545	/* GPB3 is the line that controls the pull-up for the USB D+ line */
1da177e4	546
5fe10ab1	547	static void __init n30_init(void)
1da177e4	548	{
e43f2383	549	s3c24xx_fb_set_platdata(&n30_fb_info);
d088e5fe	550	s3c24xx_udc_set_platdata(&n30_udc_cfg);
50cdba78	551	s3c24xx_mci_set_platdata(&n30_mci_cfg);
7bcb7eda	552	s3c_i2c0_set_platdata(&n30_i2ccfg);
1da177e4	553
027da01d BD	554	/* Turn off suspend on both USB ports, and switch the
	555	* selectable USB port to USB device mode. */
	556
	557	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST \|
	558	S3C2410_MISCCR_USBSUSPND0 \|
	559	S3C2410_MISCCR_USBSUSPND1, 0x0);
57e5171c	560
95790873 CW	561	if (machine_is_n30()) {
	562	/* Turn off suspend on both USB ports, and switch the
	563	* selectable USB port to USB device mode. */
	564	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST \|
	565	S3C2410_MISCCR_USBSUSPND0 \|
	566	S3C2410_MISCCR_USBSUSPND1, 0x0);
	567
	568	platform_add_devices(n30_devices, ARRAY_SIZE(n30_devices));
	569	}
	570
	571	if (machine_is_n35()) {
	572	/* Turn off suspend and switch the selectable USB port
	573	* to USB device mode. Turn on suspend for the host
	574	* port since it is not connected on the N35.
	575	*
	576	* Actually, the host port is available at some pads
	577	* on the back of the device, so it would actually be
	578	* possible to add a USB device inside the N35 if you
	579	* are willing to do some hardware modifications. */
	580	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST \|
	581	S3C2410_MISCCR_USBSUSPND0 \|
	582	S3C2410_MISCCR_USBSUSPND1,
be7c4cf6	583	S3C2410_MISCCR_USBSUSPND0);
95790873 CW	584
	585	platform_add_devices(n35_devices, ARRAY_SIZE(n35_devices));
	586	}
1da177e4 LT	587	}
	588
	589	MACHINE_START(N30, "Acer-N30")
027da01d BD	590	/* Maintainer: Christer Weinigel <christer@weinigel.se>,
	591	Ben Dooks <ben-linux@fluff.org>
	592	*/
e9dea0c6 RK	593	.phys_io = S3C2410_PA_UART,
	594	.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
	595	.boot_params = S3C2410_SDRAM_PA + 0x100,
1da177e4 LT	596	.timer = &s3c24xx_timer,
	597	.init_machine = n30_init,
	598	.init_irq = n30_init_irq,
	599	.map_io = n30_map_io,
	600	MACHINE_END
95790873 CW	601
	602	MACHINE_START(N35, "Acer-N35")
	603	/* Maintainer: Christer Weinigel <christer@weinigel.se>
	604	*/
	605	.phys_io = S3C2410_PA_UART,
	606	.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
	607	.boot_params = S3C2410_SDRAM_PA + 0x100,
	608	.timer = &s3c24xx_timer,
	609	.init_machine = n30_init,
	610	.init_irq = n30_init_irq,
	611	.map_io = n30_map_io,
	612	MACHINE_END