diff options
Diffstat (limited to 'arch/arm/mach-s3c2410/mach-n30.c')
-rw-r--r-- | arch/arm/mach-s3c2410/mach-n30.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2410/mach-n30.c b/arch/arm/mach-s3c2410/mach-n30.c new file mode 100644 index 000000000000..bd15998c129b --- /dev/null +++ b/arch/arm/mach-s3c2410/mach-n30.c | |||
@@ -0,0 +1,155 @@ | |||
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/device.h> | ||
24 | #include <linux/kthread.h> | ||
25 | |||
26 | #include <asm/mach/arch.h> | ||
27 | #include <asm/mach/map.h> | ||
28 | #include <asm/mach/irq.h> | ||
29 | |||
30 | #include <asm/hardware.h> | ||
31 | #include <asm/hardware/iomd.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 <linux/serial_core.h> | ||
41 | |||
42 | #include "s3c2410.h" | ||
43 | #include "clock.h" | ||
44 | #include "devs.h" | ||
45 | #include "cpu.h" | ||
46 | |||
47 | static struct map_desc n30_iodesc[] __initdata = { | ||
48 | /* nothing here yet */ | ||
49 | }; | ||
50 | |||
51 | static struct s3c2410_uartcfg n30_uartcfgs[] = { | ||
52 | /* Normal serial port */ | ||
53 | [0] = { | ||
54 | .hwport = 0, | ||
55 | .flags = 0, | ||
56 | .ucon = 0x2c5, | ||
57 | .ulcon = 0x03, | ||
58 | .ufcon = 0x51, | ||
59 | }, | ||
60 | /* IR port */ | ||
61 | [1] = { | ||
62 | .hwport = 1, | ||
63 | .flags = 0, | ||
64 | .uart_flags = UPF_CONS_FLOW, | ||
65 | .ucon = 0x2c5, | ||
66 | .ulcon = 0x43, | ||
67 | .ufcon = 0x51, | ||
68 | }, | ||
69 | /* The BlueTooth controller is connected to port 2 */ | ||
70 | [2] = { | ||
71 | .hwport = 2, | ||
72 | .flags = 0, | ||
73 | .ucon = 0x2c5, | ||
74 | .ulcon = 0x03, | ||
75 | .ufcon = 0x51, | ||
76 | }, | ||
77 | }; | ||
78 | |||
79 | static struct platform_device *n30_devices[] __initdata = { | ||
80 | &s3c_device_usb, | ||
81 | &s3c_device_lcd, | ||
82 | &s3c_device_wdt, | ||
83 | &s3c_device_i2c, | ||
84 | &s3c_device_iis, | ||
85 | &s3c_device_usbgadget, | ||
86 | }; | ||
87 | |||
88 | static struct s3c2410_platform_i2c n30_i2ccfg = { | ||
89 | .flags = 0, | ||
90 | .slave_addr = 0x10, | ||
91 | .bus_freq = 10*1000, | ||
92 | .max_freq = 10*1000, | ||
93 | }; | ||
94 | |||
95 | static struct s3c24xx_board n30_board __initdata = { | ||
96 | .devices = n30_devices, | ||
97 | .devices_count = ARRAY_SIZE(n30_devices) | ||
98 | }; | ||
99 | |||
100 | void __init n30_map_io(void) | ||
101 | { | ||
102 | s3c24xx_init_io(n30_iodesc, ARRAY_SIZE(n30_iodesc)); | ||
103 | s3c24xx_init_clocks(0); | ||
104 | s3c24xx_init_uarts(n30_uartcfgs, ARRAY_SIZE(n30_uartcfgs)); | ||
105 | s3c24xx_set_board(&n30_board); | ||
106 | } | ||
107 | |||
108 | void __init n30_init_irq(void) | ||
109 | { | ||
110 | s3c24xx_init_irq(); | ||
111 | } | ||
112 | |||
113 | |||
114 | static int n30_usbstart_thread(void *unused) | ||
115 | { | ||
116 | /* Turn off suspend on both USB ports, and switch the | ||
117 | * selectable USB port to USB device mode. */ | ||
118 | writel(readl(S3C2410_MISCCR) & ~0x00003008, S3C2410_MISCCR); | ||
119 | |||
120 | /* Turn off the D+ pull up for 3 seconds so that the USB host | ||
121 | * at the other end will do a rescan of the USB bus. */ | ||
122 | s3c2410_gpio_setpin(S3C2410_GPB3, 0); | ||
123 | |||
124 | msleep_interruptible(3*HZ); | ||
125 | |||
126 | s3c2410_gpio_setpin(S3C2410_GPB3, 1); | ||
127 | |||
128 | return 0; | ||
129 | } | ||
130 | |||
131 | |||
132 | void __init n30_init(void) | ||
133 | { | ||
134 | s3c_device_i2c.dev.platform_data = &n30_i2ccfg; | ||
135 | |||
136 | kthread_run(n30_usbstart_thread, NULL, "n30_usbstart"); | ||
137 | } | ||
138 | |||
139 | MACHINE_START(N30, "Acer-N30") | ||
140 | MAINTAINER("Christer Weinigel <christer@weinigel.se>, Ben Dooks <ben-linux@fluff.org>") | ||
141 | BOOT_MEM(S3C2410_SDRAM_PA, S3C2410_PA_UART, (u32)S3C24XX_VA_UART) | ||
142 | BOOT_PARAMS(S3C2410_SDRAM_PA + 0x100) | ||
143 | |||
144 | .timer = &s3c24xx_timer, | ||
145 | .init_machine = n30_init, | ||
146 | .init_irq = n30_init_irq, | ||
147 | .map_io = n30_map_io, | ||
148 | MACHINE_END | ||
149 | |||
150 | /* | ||
151 | Local variables: | ||
152 | compile-command: "make ARCH=arm CROSS_COMPILE=/usr/local/arm/3.3.2/bin/arm-linux- -k -C ../../.." | ||
153 | c-basic-offset: 8 | ||
154 | End: | ||
155 | */ | ||