Merge master.kernel.org:/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog
[linux-2.6] / arch / arm / mach-s3c2410 / mach-n30.c
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
45 static struct map_desc n30_iodesc[] __initdata = {
46         /* nothing here yet */
47 };
48
49 static 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
77 static 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
86 static 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
93 static struct s3c24xx_board n30_board __initdata = {
94         .devices       = n30_devices,
95         .devices_count = ARRAY_SIZE(n30_devices)
96 };
97
98 static void __init n30_map_io(void)
99 {
100         s3c24xx_init_io(n30_iodesc, ARRAY_SIZE(n30_iodesc));
101         s3c24xx_init_clocks(0);
102         s3c24xx_init_uarts(n30_uartcfgs, ARRAY_SIZE(n30_uartcfgs));
103         s3c24xx_set_board(&n30_board);
104 }
105
106 static void __init n30_init_irq(void)
107 {
108         s3c24xx_init_irq();
109 }
110
111 /* GPB3 is the line that controls the pull-up for the USB D+ line */
112
113 static void __init n30_init(void)
114 {
115         s3c_device_i2c.dev.platform_data = &n30_i2ccfg;
116
117         /* Turn off suspend on both USB ports, and switch the
118          * selectable USB port to USB device mode. */
119
120         s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
121                               S3C2410_MISCCR_USBSUSPND0 |
122                               S3C2410_MISCCR_USBSUSPND1, 0x0);
123 }
124
125 MACHINE_START(N30, "Acer-N30")
126         /* Maintainer: Christer Weinigel <christer@weinigel.se>,
127                                 Ben Dooks <ben-linux@fluff.org>
128         */
129         .phys_io        = S3C2410_PA_UART,
130         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
131         .boot_params    = S3C2410_SDRAM_PA + 0x100,
132         .timer          = &s3c24xx_timer,
133         .init_machine   = n30_init,
134         .init_irq       = n30_init_irq,
135         .map_io         = n30_map_io,
136 MACHINE_END
137
138 /*
139     Local variables:
140         compile-command: "make ARCH=arm CROSS_COMPILE=/usr/local/arm/3.3.2/bin/arm-linux- -k -C ../../.."
141         c-basic-offset: 8
142     End:
143 */