[thirdparty/linux.git] / arch / arm / mach-s3c24xx / 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 <linux/platform_data/leds-s3c24xx.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 <linux/platform_data/i2c-s3c2410.h>
#include <plat/regs-serial.h>

#include <plat/clock.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <linux/platform_data/mmc-s3cmci.h>
#include <plat/s3c2410.h>
#include <linux/platform_data/usb-s3c2410_udc.h>

#include "common.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 struct s3c2410_udc_mach_info n30_udc_cfg __initdata = {
	.vbus_pin		= S3C2410_GPG(1),
	.vbus_pin_inverted	= 0,
	.pullup_pin		= S3C2410_GPB(3),
};

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. Originally 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 void n30_sdi_set_power(unsigned char power_mode, unsigned short vdd)
{
	switch (power_mode) {
	case MMC_POWER_ON:
	case MMC_POWER_UP:
		gpio_set_value(S3C2410_GPG(4), 1);
		break;
	case MMC_POWER_OFF:
	default:
		gpio_set_value(S3C2410_GPG(4), 0);
		break;
	}
}

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,
	.set_power	= n30_sdi_set_power,
};

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));
}

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

static void __init n30_init(void)
{
	WARN_ON(gpio_request(S3C2410_GPG(4), "mmc power"));

	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>
	*/
	.atag_offset	= 0x100,
	.init_time	= s3c24xx_timer_init,
	.init_machine	= n30_init,
	.init_irq	= s3c24xx_init_irq,
	.map_io		= n30_map_io,
	.restart	= s3c2410_restart,
MACHINE_END

MACHINE_START(N35, "Acer-N35")
	/* Maintainer: Christer Weinigel <christer@weinigel.se>
	*/
	.atag_offset	= 0x100,
	.init_time	= s3c24xx_timer_init,
	.init_machine	= n30_init,
	.init_irq	= s3c24xx_init_irq,
	.map_io		= n30_map_io,
	.restart	= s3c2410_restart,
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	35	#include <mach/fb.h>
436d42c6	36	#include <linux/platform_data/leds-s3c24xx.h>
a09e64fb RK	37	#include <mach/regs-gpio.h>
a09e64fb RK	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
436d42c6	44	#include <linux/platform_data/i2c-s3c2410.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>
436d42c6	50	#include <linux/platform_data/mmc-s3cmci.h>
a2b7ba9c	51	#include <plat/s3c2410.h>
436d42c6	52	#include <linux/platform_data/usb-s3c2410_udc.h>
1da177e4	53
b27b0727 KK	54	#include "common.h"
b27b0727 KK	55
1da177e4 LT	56	static struct map_desc n30_iodesc[] __initdata = {
	57	/* nothing here yet */
	58	};
	59
	60	static struct s3c2410_uartcfg n30_uartcfgs[] = {
	61	/* Normal serial port */
	62	[0] = {
	63	.hwport = 0,
	64	.flags = 0,
	65	.ucon = 0x2c5,
	66	.ulcon = 0x03,
	67	.ufcon = 0x51,
	68	},
	69	/* IR port */
	70	[1] = {
	71	.hwport = 1,
	72	.flags = 0,
	73	.uart_flags = UPF_CONS_FLOW,
	74	.ucon = 0x2c5,
	75	.ulcon = 0x43,
	76	.ufcon = 0x51,
	77	},
95790873 CW	78	/* On the N30 the bluetooth controller is connected here.
95790873 CW	79	* On the N35 and variants the GPS receiver is connected here. */
1da177e4 LT	80	[2] = {
	81	.hwport = 2,
	82	.flags = 0,
	83	.ucon = 0x2c5,
	84	.ulcon = 0x03,
	85	.ufcon = 0x51,
	86	},
	87	};
	88
d088e5fe	89	static struct s3c2410_udc_mach_info n30_udc_cfg __initdata = {
070276d5	90	.vbus_pin = S3C2410_GPG(1),
d088e5fe	91	.vbus_pin_inverted = 0,
e27c3c5c	92	.pullup_pin = S3C2410_GPB(3),
d088e5fe CW	93	};
d088e5fe CW	94
62065750 CW	95	static struct gpio_keys_button n30_buttons[] = {
62065750 CW	96	{
070276d5	97	.gpio = S3C2410_GPF(0),
62065750 CW	98	.code = KEY_POWER,
	99	.desc = "Power",
	100	.active_low = 0,
	101	},
	102	{
070276d5	103	.gpio = S3C2410_GPG(9),
62065750 CW	104	.code = KEY_UP,
	105	.desc = "Thumbwheel Up",
	106	.active_low = 0,
	107	},
	108	{
070276d5	109	.gpio = S3C2410_GPG(8),
62065750 CW	110	.code = KEY_DOWN,
	111	.desc = "Thumbwheel Down",
	112	.active_low = 0,
	113	},
	114	{
070276d5	115	.gpio = S3C2410_GPG(7),
62065750 CW	116	.code = KEY_ENTER,
	117	.desc = "Thumbwheel Press",
	118	.active_low = 0,
	119	},
	120	{
070276d5	121	.gpio = S3C2410_GPF(7),
62065750 CW	122	.code = KEY_HOMEPAGE,
	123	.desc = "Home",
	124	.active_low = 0,
	125	},
	126	{
070276d5	127	.gpio = S3C2410_GPF(6),
62065750 CW	128	.code = KEY_CALENDAR,
	129	.desc = "Calendar",
	130	.active_low = 0,
	131	},
	132	{
070276d5	133	.gpio = S3C2410_GPF(5),
62065750 CW	134	.code = KEY_ADDRESSBOOK,
	135	.desc = "Contacts",
	136	.active_low = 0,
	137	},
	138	{
070276d5	139	.gpio = S3C2410_GPF(4),
62065750 CW	140	.code = KEY_MAIL,
	141	.desc = "Mail",
	142	.active_low = 0,
	143	},
	144	};
	145
	146	static struct gpio_keys_platform_data n30_button_data = {
	147	.buttons = n30_buttons,
	148	.nbuttons = ARRAY_SIZE(n30_buttons),
	149	};
	150
	151	static struct platform_device n30_button_device = {
	152	.name = "gpio-keys",
	153	.id = -1,
	154	.dev = {
	155	.platform_data = &n30_button_data,
	156	}
	157	};
	158
95790873 CW	159	static struct gpio_keys_button n35_buttons[] = {
95790873 CW	160	{
070276d5	161	.gpio = S3C2410_GPF(0),
95790873	162	.code = KEY_POWER,
aeb1b7e4	163	.type = EV_PWR,
95790873 CW	164	.desc = "Power",
95790873 CW	165	.active_low = 0,
aeb1b7e4	166	.wakeup = 1,
95790873 CW	167	},
95790873 CW	168	{
070276d5	169	.gpio = S3C2410_GPG(9),
95790873 CW	170	.code = KEY_UP,
	171	.desc = "Joystick Up",
	172	.active_low = 0,
	173	},
	174	{
070276d5	175	.gpio = S3C2410_GPG(8),
95790873 CW	176	.code = KEY_DOWN,
	177	.desc = "Joystick Down",
	178	.active_low = 0,
	179	},
	180	{
070276d5	181	.gpio = S3C2410_GPG(6),
95790873 CW	182	.code = KEY_DOWN,
	183	.desc = "Joystick Left",
	184	.active_low = 0,
	185	},
	186	{
070276d5	187	.gpio = S3C2410_GPG(5),
95790873 CW	188	.code = KEY_DOWN,
	189	.desc = "Joystick Right",
	190	.active_low = 0,
	191	},
	192	{
070276d5	193	.gpio = S3C2410_GPG(7),
95790873 CW	194	.code = KEY_ENTER,
	195	.desc = "Joystick Press",
	196	.active_low = 0,
	197	},
	198	{
070276d5	199	.gpio = S3C2410_GPF(7),
95790873 CW	200	.code = KEY_HOMEPAGE,
	201	.desc = "Home",
	202	.active_low = 0,
	203	},
	204	{
070276d5	205	.gpio = S3C2410_GPF(6),
95790873 CW	206	.code = KEY_CALENDAR,
	207	.desc = "Calendar",
	208	.active_low = 0,
	209	},
	210	{
070276d5	211	.gpio = S3C2410_GPF(5),
95790873 CW	212	.code = KEY_ADDRESSBOOK,
	213	.desc = "Contacts",
	214	.active_low = 0,
	215	},
	216	{
070276d5	217	.gpio = S3C2410_GPF(4),
95790873 CW	218	.code = KEY_MAIL,
	219	.desc = "Mail",
	220	.active_low = 0,
	221	},
	222	{
070276d5	223	.gpio = S3C2410_GPF(3),
95790873 CW	224	.code = SW_RADIO,
	225	.desc = "GPS Antenna",
	226	.active_low = 0,
	227	},
	228	{
070276d5	229	.gpio = S3C2410_GPG(2),
95790873 CW	230	.code = SW_HEADPHONE_INSERT,
	231	.desc = "Headphone",
	232	.active_low = 0,
	233	},
	234	};
	235
	236	static struct gpio_keys_platform_data n35_button_data = {
	237	.buttons = n35_buttons,
	238	.nbuttons = ARRAY_SIZE(n35_buttons),
	239	};
	240
	241	static struct platform_device n35_button_device = {
	242	.name = "gpio-keys",
	243	.id = -1,
	244	.num_resources = 0,
	245	.dev = {
	246	.platform_data = &n35_button_data,
	247	}
	248	};
	249
865cc639 CW	250	/* This is the bluetooth LED on the device. */
	251	static struct s3c24xx_led_platdata n30_blue_led_pdata = {
	252	.name = "blue_led",
070276d5	253	.gpio = S3C2410_GPG(6),
865cc639 CW	254	.def_trigger = "",
	255	};
	256
25985edc	257	/* This is the blue LED on the device. Originally used to indicate GPS activity
319887ee P	258	* by flashing. */
	259	static struct s3c24xx_led_platdata n35_blue_led_pdata = {
	260	.name = "blue_led",
	261	.gpio = S3C2410_GPD(8),
	262	.def_trigger = "",
	263	};
	264
865cc639 CW	265	/* This LED is driven by the battery microcontroller, and is blinking
	266	* red, blinking green or solid green when the battery is low,
	267	* charging or full respectively. By driving GPD9 low, it's possible
	268	* to force the LED to blink red, so call that warning LED. */
	269	static struct s3c24xx_led_platdata n30_warning_led_pdata = {
	270	.name = "warning_led",
	271	.flags = S3C24XX_LEDF_ACTLOW,
070276d5	272	.gpio = S3C2410_GPD(9),
865cc639 CW	273	.def_trigger = "",
	274	};
	275
319887ee P	276	static struct s3c24xx_led_platdata n35_warning_led_pdata = {
	277	.name = "warning_led",
	278	.flags = S3C24XX_LEDF_ACTLOW \| S3C24XX_LEDF_TRISTATE,
	279	.gpio = S3C2410_GPD(9),
	280	.def_trigger = "",
	281	};
	282
865cc639 CW	283	static struct platform_device n30_blue_led = {
	284	.name = "s3c24xx_led",
	285	.id = 1,
	286	.dev = {
	287	.platform_data = &n30_blue_led_pdata,
	288	},
	289	};
	290
319887ee P	291	static struct platform_device n35_blue_led = {
	292	.name = "s3c24xx_led",
	293	.id = 1,
	294	.dev = {
	295	.platform_data = &n35_blue_led_pdata,
	296	},
	297	};
	298
865cc639 CW	299	static struct platform_device n30_warning_led = {
	300	.name = "s3c24xx_led",
	301	.id = 2,
	302	.dev = {
	303	.platform_data = &n30_warning_led_pdata,
	304	},
	305	};
	306
319887ee P	307	static struct platform_device n35_warning_led = {
	308	.name = "s3c24xx_led",
	309	.id = 2,
	310	.dev = {
	311	.platform_data = &n35_warning_led_pdata,
	312	},
	313	};
	314
e43f2383	315	static struct s3c2410fb_display n30_display __initdata = {
a6755780 BD	316	.type = S3C2410_LCDCON1_TFT,
	317	.width = 240,
	318	.height = 320,
	319	.pixclock = 170000,
	320
	321	.xres = 240,
	322	.yres = 320,
	323	.bpp = 16,
	324	.left_margin = 3,
	325	.right_margin = 40,
	326	.hsync_len = 40,
	327	.upper_margin = 2,
	328	.lower_margin = 3,
	329	.vsync_len = 2,
e43f2383 CW	330
	331	.lcdcon5 = S3C2410_LCDCON5_INVVLINE \| S3C2410_LCDCON5_INVVFRAME,
	332	};
	333
	334	static struct s3c2410fb_mach_info n30_fb_info __initdata = {
a6755780 BD	335	.displays = &n30_display,
a6755780 BD	336	.num_displays = 1,
e43f2383	337	.default_display = 0,
a6755780	338	.lpcsel = 0x06,
e43f2383 CW	339	};
e43f2383 CW	340
271d3232 P	341	static void n30_sdi_set_power(unsigned char power_mode, unsigned short vdd)
	342	{
	343	switch (power_mode) {
	344	case MMC_POWER_ON:
	345	case MMC_POWER_UP:
8a19ebb0	346	gpio_set_value(S3C2410_GPG(4), 1);
271d3232 P	347	break;
	348	case MMC_POWER_OFF:
	349	default:
8a19ebb0	350	gpio_set_value(S3C2410_GPG(4), 0);
271d3232 P	351	break;
	352	}
	353	}
	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,
271d3232	359	.set_power = n30_sdi_set_power,
50cdba78 P	360	};
50cdba78 P	361
1da177e4	362	static struct platform_device *n30_devices[] __initdata = {
1da177e4 LT	363	&s3c_device_lcd,
1da177e4 LT	364	&s3c_device_wdt,
3e1b776c	365	&s3c_device_i2c0,
1da177e4	366	&s3c_device_iis,
b813248c	367	&s3c_device_ohci,
8ecad349	368	&s3c_device_rtc,
1da177e4	369	&s3c_device_usbgadget,
50cdba78	370	&s3c_device_sdi,
62065750	371	&n30_button_device,
865cc639 CW	372	&n30_blue_led,
865cc639 CW	373	&n30_warning_led,
1da177e4 LT	374	};
1da177e4 LT	375
95790873 CW	376	static struct platform_device *n35_devices[] __initdata = {
	377	&s3c_device_lcd,
	378	&s3c_device_wdt,
3e1b776c	379	&s3c_device_i2c0,
95790873	380	&s3c_device_iis,
8ecad349	381	&s3c_device_rtc,
95790873	382	&s3c_device_usbgadget,
50cdba78	383	&s3c_device_sdi,
95790873	384	&n35_button_device,
319887ee P	385	&n35_blue_led,
319887ee P	386	&n35_warning_led,
95790873 CW	387	};
95790873 CW	388
7bcb7eda	389	static struct s3c2410_platform_i2c __initdata n30_i2ccfg = {
1da177e4 LT	390	.flags = 0,
1da177e4 LT	391	.slave_addr = 0x10,
c564e6ae	392	.frequency = 10*1000,
1da177e4 LT	393	};
1da177e4 LT	394
9a2ddb78 CW	395	/* Lots of hardcoded stuff, but it sets up the hardware in a useful
	396	* state so that we can boot Linux directly from flash. */
	397	static void __init n30_hwinit(void)
	398	{
	399	/* GPA0-11 special functions -- unknown what they do
	400	* GPA12 N30 special function -- unknown what it does
	401	* N35/PiN output -- unknown what it does
	402	*
	403	* A12 is nGCS1 on the N30 and an output on the N35/PiN. I
	404	* don't think it does anything useful on the N30, so I ought
	405	* to make it an output there too since it always driven to 0
	406	* as far as I can tell. */
	407	if (machine_is_n30())
	408	__raw_writel(0x007fffff, S3C2410_GPACON);
	409	if (machine_is_n35())
	410	__raw_writel(0x007fefff, S3C2410_GPACON);
	411	__raw_writel(0x00000000, S3C2410_GPADAT);
	412
	413	/* GPB0 TOUT0 backlight level
	414	* GPB1 output 1=backlight on
	415	* GPB2 output IrDA enable 0=transceiver enabled, 1=disabled
	416	* GPB3 output USB D+ pull up 0=disabled, 1=enabled
	417	* GPB4 N30 output -- unknown function
	418	* N30/PiN GPS control 0=GPS enabled, 1=GPS disabled
	419	* GPB5 output -- unknown function
	420	* GPB6 input -- unknown function
	421	* GPB7 output -- unknown function
	422	* GPB8 output -- probably LCD driver enable
	423	* GPB9 output -- probably LCD VSYNC driver enable
	424	* GPB10 output -- probably LCD HSYNC driver enable
	425	*/
	426	__raw_writel(0x00154556, S3C2410_GPBCON);
	427	__raw_writel(0x00000750, S3C2410_GPBDAT);
	428	__raw_writel(0x00000073, S3C2410_GPBUP);
	429
	430	/* GPC0 input RS232 DCD/DSR/RI
	431	* GPC1 LCD
	432	* GPC2 output RS232 DTR?
	433	* GPC3 input RS232 DCD/DSR/RI
	434	* GPC4 LCD
	435	* GPC5 output 0=NAND write enabled, 1=NAND write protect
	436	* GPC6 input -- unknown function
	437	* GPC7 input charger status 0=charger connected
	438	* this input can be triggered by power on the USB device
	439	* port too, but will go back to disconnected soon after.
	440	* GPC8 N30/N35 output -- unknown function, always driven to 1
	441	* PiN input -- unknown function, always read as 1
	442	* Make it an input with a pull up for all models.
	443	* GPC9-15 LCD
	444	*/
	445	__raw_writel(0xaaa80618, S3C2410_GPCCON);
	446	__raw_writel(0x0000014c, S3C2410_GPCDAT);
	447	__raw_writel(0x0000fef2, S3C2410_GPCUP);
	448
	449	/* GPD0 input -- unknown function
	450	* GPD1-D7 LCD
	451	* GPD8 N30 output -- unknown function
	452	* N35/PiN output 1=GPS LED on
	453	* GPD9 output 0=power led blinks red, 1=normal power led function
	454	* GPD10 output -- unknown function
	455	* GPD11-15 LCD drivers
	456	*/
	457	__raw_writel(0xaa95aaa4, S3C2410_GPDCON);
	458	__raw_writel(0x00000601, S3C2410_GPDDAT);
459	__raw_writel(0x0000fbfe, S3C2410_GPDUP);
460
461	/* GPE0-4 I2S audio bus
462	* GPE5-10 SD/MMC bus
463	* E11-13 outputs -- unknown function, probably power management
464	* E14-15 I2C bus connected to the battery controller
465	*/
466	__raw_writel(0xa56aaaaa, S3C2410_GPECON);
467	__raw_writel(0x0000efc5, S3C2410_GPEDAT);
468	__raw_writel(0x0000f81f, S3C2410_GPEUP);
469
470	/* GPF0 input 0=power button pressed
471	* GPF1 input SD/MMC switch 0=card present
472	* GPF2 N30 1=reset button pressed (inverted compared to the rest)
473	* N35/PiN 0=reset button pressed
474	* GPF3 N30/PiN input -- unknown function
475	* N35 input GPS antenna position, 0=antenna closed, 1=open
476	* GPF4 input 0=button 4 pressed
477	* GPF5 input 0=button 3 pressed
478	* GPF6 input 0=button 2 pressed
479	* GPF7 input 0=button 1 pressed
480	*/
481	__raw_writel(0x0000aaaa, S3C2410_GPFCON);
482	__raw_writel(0x00000000, S3C2410_GPFDAT);
483	__raw_writel(0x000000ff, S3C2410_GPFUP);
484
485	/* GPG0 input RS232 DCD/DSR/RI
486	* GPG1 input 1=USB gadget port has power from a host
487	* GPG2 N30 input -- unknown function
488	* N35/PiN input 0=headphones plugged in, 1=not plugged in
489	* GPG3 N30 output -- unknown function
490	* N35/PiN input with unknown function
491	* GPG4 N30 output 0=MMC enabled, 1=MMC disabled
492	* GPG5 N30 output 0=BlueTooth chip disabled, 1=enabled
493	* N35/PiN input joystick right
494	* GPG6 N30 output 0=blue led on, 1=off
495	* N35/PiN input joystick left
496	* GPG7 input 0=thumbwheel pressed
497	* GPG8 input 0=thumbwheel down
498	* GPG9 input 0=thumbwheel up
499	* GPG10 input SD/MMC write protect switch
500	* GPG11 N30 input -- unknown function
501	* N35 output 0=GPS antenna powered, 1=not powered
502	* PiN output -- unknown function
503	* GPG12-15 touch screen functions
504	*
505	* The pullups differ between the models, so enable all
506	* pullups that are enabled on any of the models.
507	*/
508	if (machine_is_n30())
509	__raw_writel(0xff0a956a, S3C2410_GPGCON);
510	if (machine_is_n35())
511	__raw_writel(0xff4aa92a, S3C2410_GPGCON);
512	__raw_writel(0x0000e800, S3C2410_GPGDAT);
513	__raw_writel(0x0000f86f, S3C2410_GPGUP);
514
515	/* GPH0/1/2/3 RS232 serial port
516	* GPH4/5 IrDA serial port
517	* GPH6/7 N30 BlueTooth serial port
518	* N35/PiN GPS receiver
519	* GPH8 input -- unknown function
520	* GPH9 CLKOUT0 HCLK -- unknown use
521	* GPH10 CLKOUT1 FCLK -- unknown use
522	*
523	* The pull ups for H6/H7 are enabled on N30 but not on the
524	* N35/PiN. I suppose is useful for a budget model of the N30
525	* with no bluetooh. It doesn't hurt to have the pull ups
526	* enabled on the N35, so leave them enabled for all models.
527	*/
528	__raw_writel(0x0028aaaa, S3C2410_GPHCON);
529	__raw_writel(0x000005ef, S3C2410_GPHDAT);
530	__raw_writel(0x0000063f, S3C2410_GPHUP);
531	}
532
5fe10ab1	533	static void __init n30_map_io(void)
1da177e4 LT	534	{
1da177e4 LT	535	s3c24xx_init_io(n30_iodesc, ARRAY_SIZE(n30_iodesc));
9a2ddb78	536	n30_hwinit();
1da177e4 LT	537	s3c24xx_init_clocks(0);
1da177e4 LT	538	s3c24xx_init_uarts(n30_uartcfgs, ARRAY_SIZE(n30_uartcfgs));
1da177e4 LT	539	}
1da177e4 LT	540
027da01d	541	/* GPB3 is the line that controls the pull-up for the USB D+ line */
1da177e4	542
5fe10ab1	543	static void __init n30_init(void)
1da177e4	544	{
8a19ebb0 BD	545	WARN_ON(gpio_request(S3C2410_GPG(4), "mmc power"));
8a19ebb0 BD	546
e43f2383	547	s3c24xx_fb_set_platdata(&n30_fb_info);
d088e5fe	548	s3c24xx_udc_set_platdata(&n30_udc_cfg);
50cdba78	549	s3c24xx_mci_set_platdata(&n30_mci_cfg);
7bcb7eda	550	s3c_i2c0_set_platdata(&n30_i2ccfg);
1da177e4	551
027da01d BD	552	/* Turn off suspend on both USB ports, and switch the
	553	* selectable USB port to USB device mode. */
	554
	555	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST \|
	556	S3C2410_MISCCR_USBSUSPND0 \|
	557	S3C2410_MISCCR_USBSUSPND1, 0x0);
57e5171c	558
95790873 CW	559	if (machine_is_n30()) {
	560	/* Turn off suspend on both USB ports, and switch the
	561	* selectable USB port to USB device mode. */
	562	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST \|
	563	S3C2410_MISCCR_USBSUSPND0 \|
	564	S3C2410_MISCCR_USBSUSPND1, 0x0);
	565
	566	platform_add_devices(n30_devices, ARRAY_SIZE(n30_devices));
	567	}
	568
	569	if (machine_is_n35()) {
	570	/* Turn off suspend and switch the selectable USB port
	571	* to USB device mode. Turn on suspend for the host
	572	* port since it is not connected on the N35.
	573	*
	574	* Actually, the host port is available at some pads
	575	* on the back of the device, so it would actually be
	576	* possible to add a USB device inside the N35 if you
	577	* are willing to do some hardware modifications. */
	578	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST \|
	579	S3C2410_MISCCR_USBSUSPND0 \|
	580	S3C2410_MISCCR_USBSUSPND1,
be7c4cf6	581	S3C2410_MISCCR_USBSUSPND0);
95790873 CW	582
	583	platform_add_devices(n35_devices, ARRAY_SIZE(n35_devices));
	584	}
1da177e4 LT	585	}
	586
	587	MACHINE_START(N30, "Acer-N30")
027da01d BD	588	/* Maintainer: Christer Weinigel <christer@weinigel.se>,
	589	Ben Dooks <ben-linux@fluff.org>
	590	*/
69d50710	591	.atag_offset = 0x100,
6bb27d73	592	.init_time = s3c24xx_timer_init,
1da177e4	593	.init_machine = n30_init,
0c3767b1	594	.init_irq = s3c24xx_init_irq,
1da177e4	595	.map_io = n30_map_io,
b27b0727	596	.restart = s3c2410_restart,
1da177e4	597	MACHINE_END
95790873 CW	598
	599	MACHINE_START(N35, "Acer-N35")
	600	/* Maintainer: Christer Weinigel <christer@weinigel.se>
	601	*/
69d50710	602	.atag_offset = 0x100,
6bb27d73	603	.init_time = s3c24xx_timer_init,
95790873	604	.init_machine = n30_init,
0c3767b1	605	.init_irq = s3c24xx_init_irq,
95790873	606	.map_io = n30_map_io,
b27b0727	607	.restart = s3c2410_restart,
95790873	608	MACHINE_END