1/* linux/arch/arm/mach-s3c2410/mach-n30.c 2 * 3 * Copyright (c) 2003-2005 Simtec Electronics 4 * Ben Dooks <ben@simtec.co.uk> 5 * 6 * Copyright (c) 2005 Christer Weinigel <christer@weinigel.se> 7 * 8 * There is a wiki with more information about the n30 port at 9 * http://handhelds.org/moin/moin.cgi/AcerN30Documentation . 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License version 2 as 13 * published by the Free Software Foundation. 14*/ 15 16#include <linux/kernel.h> 17#include <linux/types.h> 18#include <linux/interrupt.h> 19#include <linux/list.h> 20#include <linux/timer.h> 21#include <linux/init.h> 22#include <linux/delay.h> 23#include <linux/serial_core.h> 24#include <linux/platform_device.h> 25#include <linux/kthread.h> 26 27#include <asm/mach/arch.h> 28#include <asm/mach/map.h> 29#include <asm/mach/irq.h> 30 31#include <asm/hardware.h> 32#include <asm/io.h> 33#include <asm/irq.h> 34#include <asm/mach-types.h> 35 36#include <asm/arch/regs-serial.h> 37#include <asm/arch/regs-gpio.h> 38#include <asm/arch/iic.h> 39 40#include <asm/plat-s3c24xx/s3c2410.h> 41#include <asm/plat-s3c24xx/clock.h> 42#include <asm/plat-s3c24xx/devs.h> 43#include <asm/plat-s3c24xx/cpu.h> 44 45static struct map_desc n30_iodesc[] __initdata = { 46 /* nothing here yet */ 47}; 48 49static struct s3c2410_uartcfg n30_uartcfgs[] = { 50 /* Normal serial port */ 51 [0] = { 52 .hwport = 0, 53 .flags = 0, 54 .ucon = 0x2c5, 55 .ulcon = 0x03, 56 .ufcon = 0x51, 57 }, 58 /* IR port */ 59 [1] = { 60 .hwport = 1, 61 .flags = 0, 62 .uart_flags = UPF_CONS_FLOW, 63 .ucon = 0x2c5, 64 .ulcon = 0x43, 65 .ufcon = 0x51, 66 }, 67 /* The BlueTooth controller is connected to port 2 */ 68 [2] = { 69 .hwport = 2, 70 .flags = 0, 71 .ucon = 0x2c5, 72 .ulcon = 0x03, 73 .ufcon = 0x51, 74 }, 75}; 76 77static struct platform_device *n30_devices[] __initdata = { 78 &s3c_device_usb, 79 &s3c_device_lcd, 80 &s3c_device_wdt, 81 &s3c_device_i2c, 82 &s3c_device_iis, 83 &s3c_device_usbgadget, 84}; 85 86static struct s3c2410_platform_i2c n30_i2ccfg = { 87 .flags = 0, 88 .slave_addr = 0x10, 89 .bus_freq = 10*1000, 90 .max_freq = 10*1000, 91}; 92 93static void __init n30_map_io(void) 94{ 95 s3c24xx_init_io(n30_iodesc, ARRAY_SIZE(n30_iodesc)); 96 s3c24xx_init_clocks(0); 97 s3c24xx_init_uarts(n30_uartcfgs, ARRAY_SIZE(n30_uartcfgs)); 98} 99 100static void __init n30_init_irq(void) 101{ 102 s3c24xx_init_irq(); 103} 104 105/* GPB3 is the line that controls the pull-up for the USB D+ line */ 106 107static void __init n30_init(void) 108{ 109 s3c_device_i2c.dev.platform_data = &n30_i2ccfg; 110 111 /* Turn off suspend on both USB ports, and switch the 112 * selectable USB port to USB device mode. */ 113 114 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST | 115 S3C2410_MISCCR_USBSUSPND0 | 116 S3C2410_MISCCR_USBSUSPND1, 0x0); 117 118 platform_add_devices(n30_devices, ARRAY_SIZE(n30_devices)); 119} 120 121MACHINE_START(N30, "Acer-N30") 122 /* Maintainer: Christer Weinigel <christer@weinigel.se>, 123 Ben Dooks <ben-linux@fluff.org> 124 */ 125 .phys_io = S3C2410_PA_UART, 126 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, 127 .boot_params = S3C2410_SDRAM_PA + 0x100, 128 .timer = &s3c24xx_timer, 129 .init_machine = n30_init, 130 .init_irq = n30_init_irq, 131 .map_io = n30_map_io, 132MACHINE_END 133 134/* 135 Local variables: 136 compile-command: "make ARCH=arm CROSS_COMPILE=/usr/local/arm/3.3.2/bin/arm-linux- -k -C ../../.." 137 c-basic-offset: 8 138 End: 139*/ 140