[linux-2.6-block.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 <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/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,
		.desc		= "Power",
		.active_low	= 0,
	},
	{
		.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 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 platform_device n30_blue_led = {
	.name		= "s3c24xx_led",
	.id		= 1,
	.dev		= {
		.platform_data	= &n30_blue_led_pdata,
	},
};

static struct platform_device n30_warning_led = {
	.name		= "s3c24xx_led",
	.id		= 2,
	.dev		= {
		.platform_data	= &n30_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 platform_device *n30_devices[] __initdata = {
	&s3c_device_lcd,
	&s3c_device_wdt,
	&s3c_device_i2c0,
	&s3c_device_iis,
	&s3c_device_usb,
	&s3c_device_usbgadget,
	&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_usbgadget,
	&n35_button_device,
};

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);
	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_USBSUSPND1);

		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>
1da177e4	29
a09e64fb	30	#include <mach/hardware.h>
1da177e4 LT	31	#include <asm/irq.h>
	32	#include <asm/mach-types.h>
	33
a09e64fb RK	34	#include <mach/fb.h>
	35	#include <mach/leds-gpio.h>
	36	#include <mach/regs-gpio.h>
	37	#include <mach/regs-lcd.h>
196a0475 CW	38
	39	#include <asm/mach/arch.h>
	40	#include <asm/mach/irq.h>
	41	#include <asm/mach/map.h>
	42
9498cb79	43	#include <plat/iic.h>
a2b7ba9c	44	#include <plat/regs-serial.h>
1da177e4	45
d5120ae7	46	#include <plat/clock.h>
a2b7ba9c BD	47	#include <plat/cpu.h>
	48	#include <plat/devs.h>
	49	#include <plat/s3c2410.h>
57bd4b91	50	#include <plat/udc.h>
1da177e4 LT	51
	52	static struct map_desc n30_iodesc[] __initdata = {
	53	/* nothing here yet */
	54	};
	55
	56	static struct s3c2410_uartcfg n30_uartcfgs[] = {
	57	/* Normal serial port */
	58	[0] = {
	59	.hwport = 0,
	60	.flags = 0,
	61	.ucon = 0x2c5,
	62	.ulcon = 0x03,
	63	.ufcon = 0x51,
	64	},
	65	/* IR port */
	66	[1] = {
	67	.hwport = 1,
	68	.flags = 0,
	69	.uart_flags = UPF_CONS_FLOW,
	70	.ucon = 0x2c5,
	71	.ulcon = 0x43,
	72	.ufcon = 0x51,
	73	},
95790873 CW	74	/* On the N30 the bluetooth controller is connected here.
95790873 CW	75	* On the N35 and variants the GPS receiver is connected here. */
1da177e4 LT	76	[2] = {
	77	.hwport = 2,
	78	.flags = 0,
	79	.ucon = 0x2c5,
	80	.ulcon = 0x03,
	81	.ufcon = 0x51,
	82	},
	83	};
	84
d088e5fe CW	85	static void n30_udc_pullup(enum s3c2410_udc_cmd_e cmd)
d088e5fe CW	86	{
a6755780 BD	87	switch (cmd) {
a6755780 BD	88	case S3C2410_UDC_P_ENABLE :
070276d5	89	s3c2410_gpio_setpin(S3C2410_GPB(3), 1);
a6755780 BD	90	break;
a6755780 BD	91	case S3C2410_UDC_P_DISABLE :
070276d5	92	s3c2410_gpio_setpin(S3C2410_GPB(3), 0);
a6755780 BD	93	break;
	94	case S3C2410_UDC_P_RESET :
	95	break;
	96	default:
	97	break;
d088e5fe CW	98	}
	99	}
	100
	101	static struct s3c2410_udc_mach_info n30_udc_cfg __initdata = {
	102	.udc_command = n30_udc_pullup,
070276d5	103	.vbus_pin = S3C2410_GPG(1),
d088e5fe CW	104	.vbus_pin_inverted = 0,
	105	};
	106
62065750 CW	107	static struct gpio_keys_button n30_buttons[] = {
62065750 CW	108	{
070276d5	109	.gpio = S3C2410_GPF(0),
62065750 CW	110	.code = KEY_POWER,
	111	.desc = "Power",
	112	.active_low = 0,
	113	},
	114	{
070276d5	115	.gpio = S3C2410_GPG(9),
62065750 CW	116	.code = KEY_UP,
	117	.desc = "Thumbwheel Up",
	118	.active_low = 0,
	119	},
	120	{
070276d5	121	.gpio = S3C2410_GPG(8),
62065750 CW	122	.code = KEY_DOWN,
	123	.desc = "Thumbwheel Down",
	124	.active_low = 0,
	125	},
	126	{
070276d5	127	.gpio = S3C2410_GPG(7),
62065750 CW	128	.code = KEY_ENTER,
	129	.desc = "Thumbwheel Press",
	130	.active_low = 0,
	131	},
	132	{
070276d5	133	.gpio = S3C2410_GPF(7),
62065750 CW	134	.code = KEY_HOMEPAGE,
	135	.desc = "Home",
	136	.active_low = 0,
	137	},
	138	{
070276d5	139	.gpio = S3C2410_GPF(6),
62065750 CW	140	.code = KEY_CALENDAR,
	141	.desc = "Calendar",
	142	.active_low = 0,
	143	},
	144	{
070276d5	145	.gpio = S3C2410_GPF(5),
62065750 CW	146	.code = KEY_ADDRESSBOOK,
	147	.desc = "Contacts",
	148	.active_low = 0,
	149	},
	150	{
070276d5	151	.gpio = S3C2410_GPF(4),
62065750 CW	152	.code = KEY_MAIL,
	153	.desc = "Mail",
	154	.active_low = 0,
	155	},
	156	};
	157
	158	static struct gpio_keys_platform_data n30_button_data = {
	159	.buttons = n30_buttons,
	160	.nbuttons = ARRAY_SIZE(n30_buttons),
	161	};
	162
	163	static struct platform_device n30_button_device = {
	164	.name = "gpio-keys",
	165	.id = -1,
	166	.dev = {
	167	.platform_data = &n30_button_data,
	168	}
	169	};
	170
95790873 CW	171	static struct gpio_keys_button n35_buttons[] = {
95790873 CW	172	{
070276d5	173	.gpio = S3C2410_GPF(0),
95790873 CW	174	.code = KEY_POWER,
	175	.desc = "Power",
	176	.active_low = 0,
	177	},
	178	{
070276d5	179	.gpio = S3C2410_GPG(9),
95790873 CW	180	.code = KEY_UP,
	181	.desc = "Joystick Up",
	182	.active_low = 0,
	183	},
	184	{
070276d5	185	.gpio = S3C2410_GPG(8),
95790873 CW	186	.code = KEY_DOWN,
	187	.desc = "Joystick Down",
	188	.active_low = 0,
	189	},
	190	{
070276d5	191	.gpio = S3C2410_GPG(6),
95790873 CW	192	.code = KEY_DOWN,
	193	.desc = "Joystick Left",
	194	.active_low = 0,
	195	},
	196	{
070276d5	197	.gpio = S3C2410_GPG(5),
95790873 CW	198	.code = KEY_DOWN,
	199	.desc = "Joystick Right",
	200	.active_low = 0,
	201	},
	202	{
070276d5	203	.gpio = S3C2410_GPG(7),
95790873 CW	204	.code = KEY_ENTER,
	205	.desc = "Joystick Press",
	206	.active_low = 0,
	207	},
	208	{
070276d5	209	.gpio = S3C2410_GPF(7),
95790873 CW	210	.code = KEY_HOMEPAGE,
	211	.desc = "Home",
	212	.active_low = 0,
	213	},
	214	{
070276d5	215	.gpio = S3C2410_GPF(6),
95790873 CW	216	.code = KEY_CALENDAR,
	217	.desc = "Calendar",
	218	.active_low = 0,
	219	},
	220	{
070276d5	221	.gpio = S3C2410_GPF(5),
95790873 CW	222	.code = KEY_ADDRESSBOOK,
	223	.desc = "Contacts",
	224	.active_low = 0,
	225	},
	226	{
070276d5	227	.gpio = S3C2410_GPF(4),
95790873 CW	228	.code = KEY_MAIL,
	229	.desc = "Mail",
	230	.active_low = 0,
	231	},
	232	{
070276d5	233	.gpio = S3C2410_GPF(3),
95790873 CW	234	.code = SW_RADIO,
	235	.desc = "GPS Antenna",
	236	.active_low = 0,
	237	},
	238	{
070276d5	239	.gpio = S3C2410_GPG(2),
95790873 CW	240	.code = SW_HEADPHONE_INSERT,
	241	.desc = "Headphone",
	242	.active_low = 0,
	243	},
	244	};
	245
	246	static struct gpio_keys_platform_data n35_button_data = {
	247	.buttons = n35_buttons,
	248	.nbuttons = ARRAY_SIZE(n35_buttons),
	249	};
	250
	251	static struct platform_device n35_button_device = {
	252	.name = "gpio-keys",
	253	.id = -1,
	254	.num_resources = 0,
	255	.dev = {
	256	.platform_data = &n35_button_data,
	257	}
	258	};
	259
865cc639 CW	260	/* This is the bluetooth LED on the device. */
	261	static struct s3c24xx_led_platdata n30_blue_led_pdata = {
	262	.name = "blue_led",
070276d5	263	.gpio = S3C2410_GPG(6),
865cc639 CW	264	.def_trigger = "",
	265	};
	266
	267	/* This LED is driven by the battery microcontroller, and is blinking
	268	* red, blinking green or solid green when the battery is low,
	269	* charging or full respectively. By driving GPD9 low, it's possible
	270	* to force the LED to blink red, so call that warning LED. */
	271	static struct s3c24xx_led_platdata n30_warning_led_pdata = {
	272	.name = "warning_led",
	273	.flags = S3C24XX_LEDF_ACTLOW,
070276d5	274	.gpio = S3C2410_GPD(9),
865cc639 CW	275	.def_trigger = "",
	276	};
	277
	278	static struct platform_device n30_blue_led = {
	279	.name = "s3c24xx_led",
	280	.id = 1,
	281	.dev = {
	282	.platform_data = &n30_blue_led_pdata,
	283	},
	284	};
	285
	286	static struct platform_device n30_warning_led = {
	287	.name = "s3c24xx_led",
	288	.id = 2,
	289	.dev = {
	290	.platform_data = &n30_warning_led_pdata,
	291	},
	292	};
	293
e43f2383	294	static struct s3c2410fb_display n30_display __initdata = {
a6755780 BD	295	.type = S3C2410_LCDCON1_TFT,
	296	.width = 240,
	297	.height = 320,
	298	.pixclock = 170000,
	299
	300	.xres = 240,
	301	.yres = 320,
	302	.bpp = 16,
	303	.left_margin = 3,
	304	.right_margin = 40,
	305	.hsync_len = 40,
	306	.upper_margin = 2,
	307	.lower_margin = 3,
	308	.vsync_len = 2,
e43f2383 CW	309
	310	.lcdcon5 = S3C2410_LCDCON5_INVVLINE \| S3C2410_LCDCON5_INVVFRAME,
	311	};
	312
	313	static struct s3c2410fb_mach_info n30_fb_info __initdata = {
a6755780 BD	314	.displays = &n30_display,
a6755780 BD	315	.num_displays = 1,
e43f2383	316	.default_display = 0,
a6755780	317	.lpcsel = 0x06,
e43f2383 CW	318	};
e43f2383 CW	319
1da177e4	320	static struct platform_device *n30_devices[] __initdata = {
1da177e4 LT	321	&s3c_device_lcd,
1da177e4 LT	322	&s3c_device_wdt,
3e1b776c	323	&s3c_device_i2c0,
1da177e4	324	&s3c_device_iis,
196a0475	325	&s3c_device_usb,
1da177e4	326	&s3c_device_usbgadget,
62065750	327	&n30_button_device,
865cc639 CW	328	&n30_blue_led,
865cc639 CW	329	&n30_warning_led,
1da177e4 LT	330	};
1da177e4 LT	331
95790873 CW	332	static struct platform_device *n35_devices[] __initdata = {
	333	&s3c_device_lcd,
	334	&s3c_device_wdt,
3e1b776c	335	&s3c_device_i2c0,
95790873 CW	336	&s3c_device_iis,
	337	&s3c_device_usbgadget,
	338	&n35_button_device,
	339	};
	340
7bcb7eda	341	static struct s3c2410_platform_i2c __initdata n30_i2ccfg = {
1da177e4 LT	342	.flags = 0,
1da177e4 LT	343	.slave_addr = 0x10,
c564e6ae	344	.frequency = 10*1000,
1da177e4 LT	345	};
1da177e4 LT	346
9a2ddb78 CW	347	/* Lots of hardcoded stuff, but it sets up the hardware in a useful
	348	* state so that we can boot Linux directly from flash. */
	349	static void __init n30_hwinit(void)
	350	{
	351	/* GPA0-11 special functions -- unknown what they do
	352	* GPA12 N30 special function -- unknown what it does
	353	* N35/PiN output -- unknown what it does
	354	*
	355	* A12 is nGCS1 on the N30 and an output on the N35/PiN. I
	356	* don't think it does anything useful on the N30, so I ought
	357	* to make it an output there too since it always driven to 0
	358	* as far as I can tell. */
	359	if (machine_is_n30())
	360	__raw_writel(0x007fffff, S3C2410_GPACON);
	361	if (machine_is_n35())
	362	__raw_writel(0x007fefff, S3C2410_GPACON);
	363	__raw_writel(0x00000000, S3C2410_GPADAT);
	364
	365	/* GPB0 TOUT0 backlight level
	366	* GPB1 output 1=backlight on
	367	* GPB2 output IrDA enable 0=transceiver enabled, 1=disabled
	368	* GPB3 output USB D+ pull up 0=disabled, 1=enabled
	369	* GPB4 N30 output -- unknown function
	370	* N30/PiN GPS control 0=GPS enabled, 1=GPS disabled
	371	* GPB5 output -- unknown function
	372	* GPB6 input -- unknown function
	373	* GPB7 output -- unknown function
	374	* GPB8 output -- probably LCD driver enable
	375	* GPB9 output -- probably LCD VSYNC driver enable
	376	* GPB10 output -- probably LCD HSYNC driver enable
	377	*/
	378	__raw_writel(0x00154556, S3C2410_GPBCON);
	379	__raw_writel(0x00000750, S3C2410_GPBDAT);
	380	__raw_writel(0x00000073, S3C2410_GPBUP);
	381
	382	/* GPC0 input RS232 DCD/DSR/RI
	383	* GPC1 LCD
	384	* GPC2 output RS232 DTR?
	385	* GPC3 input RS232 DCD/DSR/RI
	386	* GPC4 LCD
	387	* GPC5 output 0=NAND write enabled, 1=NAND write protect
	388	* GPC6 input -- unknown function
	389	* GPC7 input charger status 0=charger connected
	390	* this input can be triggered by power on the USB device
	391	* port too, but will go back to disconnected soon after.
	392	* GPC8 N30/N35 output -- unknown function, always driven to 1
	393	* PiN input -- unknown function, always read as 1
	394	* Make it an input with a pull up for all models.
	395	* GPC9-15 LCD
	396	*/
	397	__raw_writel(0xaaa80618, S3C2410_GPCCON);
	398	__raw_writel(0x0000014c, S3C2410_GPCDAT);
	399	__raw_writel(0x0000fef2, S3C2410_GPCUP);
	400
	401	/* GPD0 input -- unknown function
	402	* GPD1-D7 LCD
	403	* GPD8 N30 output -- unknown function
	404	* N35/PiN output 1=GPS LED on
	405	* GPD9 output 0=power led blinks red, 1=normal power led function
	406	* GPD10 output -- unknown function
	407	* GPD11-15 LCD drivers
	408	*/
	409	__raw_writel(0xaa95aaa4, S3C2410_GPDCON);
	410	__raw_writel(0x00000601, S3C2410_GPDDAT);
411	__raw_writel(0x0000fbfe, S3C2410_GPDUP);
412
413	/* GPE0-4 I2S audio bus
414	* GPE5-10 SD/MMC bus
415	* E11-13 outputs -- unknown function, probably power management
416	* E14-15 I2C bus connected to the battery controller
417	*/
418	__raw_writel(0xa56aaaaa, S3C2410_GPECON);
419	__raw_writel(0x0000efc5, S3C2410_GPEDAT);
420	__raw_writel(0x0000f81f, S3C2410_GPEUP);
421
422	/* GPF0 input 0=power button pressed
423	* GPF1 input SD/MMC switch 0=card present
424	* GPF2 N30 1=reset button pressed (inverted compared to the rest)
425	* N35/PiN 0=reset button pressed
426	* GPF3 N30/PiN input -- unknown function
427	* N35 input GPS antenna position, 0=antenna closed, 1=open
428	* GPF4 input 0=button 4 pressed
429	* GPF5 input 0=button 3 pressed
430	* GPF6 input 0=button 2 pressed
431	* GPF7 input 0=button 1 pressed
432	*/
433	__raw_writel(0x0000aaaa, S3C2410_GPFCON);
434	__raw_writel(0x00000000, S3C2410_GPFDAT);
435	__raw_writel(0x000000ff, S3C2410_GPFUP);
436
437	/* GPG0 input RS232 DCD/DSR/RI
438	* GPG1 input 1=USB gadget port has power from a host
439	* GPG2 N30 input -- unknown function
440	* N35/PiN input 0=headphones plugged in, 1=not plugged in
441	* GPG3 N30 output -- unknown function
442	* N35/PiN input with unknown function
443	* GPG4 N30 output 0=MMC enabled, 1=MMC disabled
444	* GPG5 N30 output 0=BlueTooth chip disabled, 1=enabled
445	* N35/PiN input joystick right
446	* GPG6 N30 output 0=blue led on, 1=off
447	* N35/PiN input joystick left
448	* GPG7 input 0=thumbwheel pressed
449	* GPG8 input 0=thumbwheel down
450	* GPG9 input 0=thumbwheel up
451	* GPG10 input SD/MMC write protect switch
452	* GPG11 N30 input -- unknown function
453	* N35 output 0=GPS antenna powered, 1=not powered
454	* PiN output -- unknown function
455	* GPG12-15 touch screen functions
456	*
457	* The pullups differ between the models, so enable all
458	* pullups that are enabled on any of the models.
459	*/
460	if (machine_is_n30())
461	__raw_writel(0xff0a956a, S3C2410_GPGCON);
462	if (machine_is_n35())
463	__raw_writel(0xff4aa92a, S3C2410_GPGCON);
464	__raw_writel(0x0000e800, S3C2410_GPGDAT);
465	__raw_writel(0x0000f86f, S3C2410_GPGUP);
466
467	/* GPH0/1/2/3 RS232 serial port
468	* GPH4/5 IrDA serial port
469	* GPH6/7 N30 BlueTooth serial port
470	* N35/PiN GPS receiver
471	* GPH8 input -- unknown function
472	* GPH9 CLKOUT0 HCLK -- unknown use
473	* GPH10 CLKOUT1 FCLK -- unknown use
474	*
475	* The pull ups for H6/H7 are enabled on N30 but not on the
476	* N35/PiN. I suppose is useful for a budget model of the N30
477	* with no bluetooh. It doesn't hurt to have the pull ups
478	* enabled on the N35, so leave them enabled for all models.
479	*/
480	__raw_writel(0x0028aaaa, S3C2410_GPHCON);
481	__raw_writel(0x000005ef, S3C2410_GPHDAT);
482	__raw_writel(0x0000063f, S3C2410_GPHUP);
483	}
484
5fe10ab1	485	static void __init n30_map_io(void)
1da177e4 LT	486	{
1da177e4 LT	487	s3c24xx_init_io(n30_iodesc, ARRAY_SIZE(n30_iodesc));
9a2ddb78	488	n30_hwinit();
1da177e4 LT	489	s3c24xx_init_clocks(0);
1da177e4 LT	490	s3c24xx_init_uarts(n30_uartcfgs, ARRAY_SIZE(n30_uartcfgs));
1da177e4 LT	491	}
1da177e4 LT	492
5fe10ab1	493	static void __init n30_init_irq(void)
1da177e4 LT	494	{
	495	s3c24xx_init_irq();
	496	}
	497
027da01d	498	/* GPB3 is the line that controls the pull-up for the USB D+ line */
1da177e4	499
5fe10ab1	500	static void __init n30_init(void)
1da177e4	501	{
e43f2383	502	s3c24xx_fb_set_platdata(&n30_fb_info);
d088e5fe	503	s3c24xx_udc_set_platdata(&n30_udc_cfg);
7bcb7eda	504	s3c_i2c0_set_platdata(&n30_i2ccfg);
1da177e4	505
027da01d BD	506	/* Turn off suspend on both USB ports, and switch the
	507	* selectable USB port to USB device mode. */
	508
	509	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST \|
	510	S3C2410_MISCCR_USBSUSPND0 \|
	511	S3C2410_MISCCR_USBSUSPND1, 0x0);
57e5171c	512
95790873 CW	513	if (machine_is_n30()) {
	514	/* Turn off suspend on both USB ports, and switch the
	515	* selectable USB port to USB device mode. */
	516	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST \|
	517	S3C2410_MISCCR_USBSUSPND0 \|
	518	S3C2410_MISCCR_USBSUSPND1, 0x0);
	519
	520	platform_add_devices(n30_devices, ARRAY_SIZE(n30_devices));
	521	}
	522
	523	if (machine_is_n35()) {
	524	/* Turn off suspend and switch the selectable USB port
	525	* to USB device mode. Turn on suspend for the host
	526	* port since it is not connected on the N35.
	527	*
	528	* Actually, the host port is available at some pads
	529	* on the back of the device, so it would actually be
	530	* possible to add a USB device inside the N35 if you
	531	* are willing to do some hardware modifications. */
	532	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST \|
	533	S3C2410_MISCCR_USBSUSPND0 \|
	534	S3C2410_MISCCR_USBSUSPND1,
	535	S3C2410_MISCCR_USBSUSPND1);
	536
	537	platform_add_devices(n35_devices, ARRAY_SIZE(n35_devices));
	538	}
1da177e4 LT	539	}
	540
	541	MACHINE_START(N30, "Acer-N30")
027da01d BD	542	/* Maintainer: Christer Weinigel <christer@weinigel.se>,
	543	Ben Dooks <ben-linux@fluff.org>
	544	*/
e9dea0c6 RK	545	.phys_io = S3C2410_PA_UART,
	546	.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
	547	.boot_params = S3C2410_SDRAM_PA + 0x100,
1da177e4 LT	548	.timer = &s3c24xx_timer,
	549	.init_machine = n30_init,
	550	.init_irq = n30_init_irq,
	551	.map_io = n30_map_io,
	552	MACHINE_END
95790873 CW	553
	554	MACHINE_START(N35, "Acer-N35")
	555	/* Maintainer: Christer Weinigel <christer@weinigel.se>
	556	*/
	557	.phys_io = S3C2410_PA_UART,
	558	.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
	559	.boot_params = S3C2410_SDRAM_PA + 0x100,
	560	.timer = &s3c24xx_timer,
	561	.init_machine = n30_init,
	562	.init_irq = n30_init_irq,
	563	.map_io = n30_map_io,
	564	MACHINE_END