Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx
[linux-2.6.git] / arch / arm / mach-s5p64x0 / mach-smdk6440.c
1 /* linux/arch/arm/mach-s5p64x0/mach-smdk6440.c
2  *
3  * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
4  *              http://www.samsung.com
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9 */
10
11 #include <linux/kernel.h>
12 #include <linux/types.h>
13 #include <linux/interrupt.h>
14 #include <linux/list.h>
15 #include <linux/timer.h>
16 #include <linux/delay.h>
17 #include <linux/init.h>
18 #include <linux/i2c.h>
19 #include <linux/serial_core.h>
20 #include <linux/platform_device.h>
21 #include <linux/io.h>
22 #include <linux/module.h>
23 #include <linux/clk.h>
24 #include <linux/gpio.h>
25
26 #include <asm/mach/arch.h>
27 #include <asm/mach/map.h>
28 #include <asm/irq.h>
29 #include <asm/mach-types.h>
30
31 #include <mach/hardware.h>
32 #include <mach/map.h>
33 #include <mach/regs-clock.h>
34 #include <mach/i2c.h>
35
36 #include <plat/regs-serial.h>
37 #include <plat/gpio-cfg.h>
38 #include <plat/s5p6440.h>
39 #include <plat/clock.h>
40 #include <plat/devs.h>
41 #include <plat/cpu.h>
42 #include <plat/iic.h>
43 #include <plat/pll.h>
44 #include <plat/adc.h>
45 #include <plat/ts.h>
46
47 #define SMDK6440_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |        \
48                                 S3C2410_UCON_RXILEVEL |         \
49                                 S3C2410_UCON_TXIRQMODE |        \
50                                 S3C2410_UCON_RXIRQMODE |        \
51                                 S3C2410_UCON_RXFIFO_TOI |       \
52                                 S3C2443_UCON_RXERR_IRQEN)
53
54 #define SMDK6440_ULCON_DEFAULT  S3C2410_LCON_CS8
55
56 #define SMDK6440_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
57                                 S3C2440_UFCON_TXTRIG16 |        \
58                                 S3C2410_UFCON_RXTRIG8)
59
60 static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
61         [0] = {
62                 .hwport         = 0,
63                 .flags          = 0,
64                 .ucon           = SMDK6440_UCON_DEFAULT,
65                 .ulcon          = SMDK6440_ULCON_DEFAULT,
66                 .ufcon          = SMDK6440_UFCON_DEFAULT,
67         },
68         [1] = {
69                 .hwport         = 1,
70                 .flags          = 0,
71                 .ucon           = SMDK6440_UCON_DEFAULT,
72                 .ulcon          = SMDK6440_ULCON_DEFAULT,
73                 .ufcon          = SMDK6440_UFCON_DEFAULT,
74         },
75         [2] = {
76                 .hwport         = 2,
77                 .flags          = 0,
78                 .ucon           = SMDK6440_UCON_DEFAULT,
79                 .ulcon          = SMDK6440_ULCON_DEFAULT,
80                 .ufcon          = SMDK6440_UFCON_DEFAULT,
81         },
82         [3] = {
83                 .hwport         = 3,
84                 .flags          = 0,
85                 .ucon           = SMDK6440_UCON_DEFAULT,
86                 .ulcon          = SMDK6440_ULCON_DEFAULT,
87                 .ufcon          = SMDK6440_UFCON_DEFAULT,
88         },
89 };
90
91 static struct platform_device *smdk6440_devices[] __initdata = {
92         &s3c_device_adc,
93         &s3c_device_rtc,
94         &s3c_device_i2c0,
95         &s3c_device_i2c1,
96         &s3c_device_ts,
97         &s3c_device_wdt,
98         &s5p6440_device_iis,
99 };
100
101 static struct s3c2410_platform_i2c s5p6440_i2c0_data __initdata = {
102         .flags          = 0,
103         .slave_addr     = 0x10,
104         .frequency      = 100*1000,
105         .sda_delay      = 100,
106         .cfg_gpio       = s5p6440_i2c0_cfg_gpio,
107 };
108
109 static struct s3c2410_platform_i2c s5p6440_i2c1_data __initdata = {
110         .flags          = 0,
111         .bus_num        = 1,
112         .slave_addr     = 0x10,
113         .frequency      = 100*1000,
114         .sda_delay      = 100,
115         .cfg_gpio       = s5p6440_i2c1_cfg_gpio,
116 };
117
118 static struct i2c_board_info smdk6440_i2c_devs0[] __initdata = {
119         { I2C_BOARD_INFO("24c08", 0x50), },
120 };
121
122 static struct i2c_board_info smdk6440_i2c_devs1[] __initdata = {
123         /* To be populated */
124 };
125
126 static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
127         .delay                  = 10000,
128         .presc                  = 49,
129         .oversampling_shift     = 2,
130 };
131
132 static void __init smdk6440_map_io(void)
133 {
134         s5p_init_io(NULL, 0, S5P64X0_SYS_ID);
135         s3c24xx_init_clocks(12000000);
136         s3c24xx_init_uarts(smdk6440_uartcfgs, ARRAY_SIZE(smdk6440_uartcfgs));
137 }
138
139 static void __init smdk6440_machine_init(void)
140 {
141         s3c24xx_ts_set_platdata(&s3c_ts_platform);
142
143         s3c_i2c0_set_platdata(&s5p6440_i2c0_data);
144         s3c_i2c1_set_platdata(&s5p6440_i2c1_data);
145         i2c_register_board_info(0, smdk6440_i2c_devs0,
146                         ARRAY_SIZE(smdk6440_i2c_devs0));
147         i2c_register_board_info(1, smdk6440_i2c_devs1,
148                         ARRAY_SIZE(smdk6440_i2c_devs1));
149
150         platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices));
151 }
152
153 MACHINE_START(SMDK6440, "SMDK6440")
154         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
155         .boot_params    = S5P64X0_PA_SDRAM + 0x100,
156
157         .init_irq       = s5p6440_init_irq,
158         .map_io         = smdk6440_map_io,
159         .init_machine   = smdk6440_machine_init,
160         .timer          = &s3c24xx_timer,
161 MACHINE_END