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/plat-s3c/regs-serial.h>
37 #include <asm/arch/regs-gpio.h>
38 #include <asm/plat-s3c/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 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
100 static 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
107 static 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
121 MACHINE_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,
132 MACHINE_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
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