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/* linux/arch/arm/mach-s3c2410/mach-n30.c
*
* Copyright (c) 2003-2005 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
*
* Copyright (c) 2005 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/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/kthread.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/hardware.h>
#include <asm/hardware/iomd.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <asm/arch/regs-serial.h>
#include <asm/arch/regs-gpio.h>
#include <asm/arch/iic.h>
#include <linux/serial_core.h>
#include "s3c2410.h"
#include "clock.h"
#include "devs.h"
#include "cpu.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,
},
/* The BlueTooth controller is connected to port 2 */
[2] = {
.hwport = 2,
.flags = 0,
.ucon = 0x2c5,
.ulcon = 0x03,
.ufcon = 0x51,
},
};
static struct platform_device *n30_devices[] __initdata = {
&s3c_device_usb,
&s3c_device_lcd,
&s3c_device_wdt,
&s3c_device_i2c,
&s3c_device_iis,
&s3c_device_usbgadget,
};
static struct s3c2410_platform_i2c n30_i2ccfg = {
.flags = 0,
.slave_addr = 0x10,
.bus_freq = 10*1000,
.max_freq = 10*1000,
};
static struct s3c24xx_board n30_board __initdata = {
.devices = n30_devices,
.devices_count = ARRAY_SIZE(n30_devices)
};
void __init n30_map_io(void)
{
s3c24xx_init_io(n30_iodesc, ARRAY_SIZE(n30_iodesc));
s3c24xx_init_clocks(0);
s3c24xx_init_uarts(n30_uartcfgs, ARRAY_SIZE(n30_uartcfgs));
s3c24xx_set_board(&n30_board);
}
void __init n30_init_irq(void)
{
s3c24xx_init_irq();
}
static int n30_usbstart_thread(void *unused)
{
/* Turn off suspend on both USB ports, and switch the
* selectable USB port to USB device mode. */
writel(readl(S3C2410_MISCCR) & ~0x00003008, S3C2410_MISCCR);
/* Turn off the D+ pull up for 3 seconds so that the USB host
* at the other end will do a rescan of the USB bus. */
s3c2410_gpio_setpin(S3C2410_GPB3, 0);
msleep_interruptible(3*HZ);
s3c2410_gpio_setpin(S3C2410_GPB3, 1);
return 0;
}
void __init n30_init(void)
{
s3c_device_i2c.dev.platform_data = &n30_i2ccfg;
kthread_run(n30_usbstart_thread, NULL, "n30_usbstart");
}
MACHINE_START(N30, "Acer-N30")
/* Maintainer: Christer Weinigel <christer@weinigel.se>, Ben Dooks <ben-linux@fluff.org> */
.phys_ram = S3C2410_SDRAM_PA,
.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
/*
Local variables:
compile-command: "make ARCH=arm CROSS_COMPILE=/usr/local/arm/3.3.2/bin/arm-linux- -k -C ../../.."
c-basic-offset: 8
End:
*/
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