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