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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-s5p6440/
1/* linux/arch/arm/mach-s5p6440/mach-smdk6440.c
2 *
3 * Copyright (c) 2009 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
25#include <asm/mach/arch.h>
26#include <asm/mach/map.h>
27
28#include <mach/hardware.h>
29#include <mach/map.h>
30
31#include <asm/irq.h>
32#include <asm/mach-types.h>
33
34#include <plat/regs-serial.h>
35
36#include <plat/s5p6440.h>
37#include <plat/clock.h>
38#include <mach/regs-clock.h>
39#include <plat/devs.h>
40#include <plat/cpu.h>
41#include <plat/iic.h>
42#include <plat/pll.h>
43#include <plat/adc.h>
44#include <plat/ts.h>
45
46#define SMDK6440_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
47				S3C2410_UCON_RXILEVEL |		\
48				S3C2410_UCON_TXIRQMODE |	\
49				S3C2410_UCON_RXIRQMODE |	\
50				S3C2410_UCON_RXFIFO_TOI |	\
51				S3C2443_UCON_RXERR_IRQEN)
52
53#define SMDK6440_ULCON_DEFAULT	S3C2410_LCON_CS8
54
55#define SMDK6440_UFCON_DEFAULT	(S3C2410_UFCON_FIFOMODE |	\
56				S3C2440_UFCON_TXTRIG16 |	\
57				S3C2410_UFCON_RXTRIG8)
58
59static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
60	[0] = {
61		.hwport	     = 0,
62		.flags	     = 0,
63		.ucon	     = SMDK6440_UCON_DEFAULT,
64		.ulcon	     = SMDK6440_ULCON_DEFAULT,
65		.ufcon	     = SMDK6440_UFCON_DEFAULT,
66	},
67	[1] = {
68		.hwport	     = 1,
69		.flags	     = 0,
70		.ucon	     = SMDK6440_UCON_DEFAULT,
71		.ulcon	     = SMDK6440_ULCON_DEFAULT,
72		.ufcon	     = SMDK6440_UFCON_DEFAULT,
73	},
74	[2] = {
75		.hwport	     = 2,
76		.flags	     = 0,
77		.ucon	     = SMDK6440_UCON_DEFAULT,
78		.ulcon	     = SMDK6440_ULCON_DEFAULT,
79		.ufcon	     = SMDK6440_UFCON_DEFAULT,
80	},
81	[3] = {
82		.hwport	     = 3,
83		.flags	     = 0,
84		.ucon	     = SMDK6440_UCON_DEFAULT,
85		.ulcon	     = SMDK6440_ULCON_DEFAULT,
86		.ufcon	     = SMDK6440_UFCON_DEFAULT,
87	},
88};
89
90static struct platform_device *smdk6440_devices[] __initdata = {
91	&s5p6440_device_iis,
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};
99
100static struct i2c_board_info smdk6440_i2c_devs0[] __initdata = {
101	{ I2C_BOARD_INFO("24c08", 0x50), },
102};
103
104static struct i2c_board_info smdk6440_i2c_devs1[] __initdata = {
105	/* To be populated */
106};
107
108static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
109	.delay			= 10000,
110	.presc			= 49,
111	.oversampling_shift	= 2,
112};
113
114static void __init smdk6440_map_io(void)
115{
116	s5p_init_io(NULL, 0, S5P_SYS_ID);
117	s3c24xx_init_clocks(12000000);
118	s3c24xx_init_uarts(smdk6440_uartcfgs, ARRAY_SIZE(smdk6440_uartcfgs));
119}
120
121static void __init smdk6440_machine_init(void)
122{
123	s3c24xx_ts_set_platdata(&s3c_ts_platform);
124
125	/* I2C */
126	s3c_i2c0_set_platdata(NULL);
127	s3c_i2c1_set_platdata(NULL);
128	i2c_register_board_info(0, smdk6440_i2c_devs0,
129			ARRAY_SIZE(smdk6440_i2c_devs0));
130	i2c_register_board_info(1, smdk6440_i2c_devs1,
131			ARRAY_SIZE(smdk6440_i2c_devs1));
132
133	platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices));
134}
135
136MACHINE_START(SMDK6440, "SMDK6440")
137	/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
138	.phys_io	= S3C_PA_UART & 0xfff00000,
139	.io_pg_offst	= (((u32)S3C_VA_UART) >> 18) & 0xfffc,
140	.boot_params	= S5P_PA_SDRAM + 0x100,
141
142	.init_irq	= s5p6440_init_irq,
143	.map_io		= smdk6440_map_io,
144	.init_machine	= smdk6440_machine_init,
145	.timer		= &s3c24xx_timer,
146MACHINE_END
147