summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-s3c2412/mach-smdk2413.c
blob: 8e5758bdd666ee18bc12a419a0240e738d296e13 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
/* linux/arch/arm/mach-s3c2412/mach-smdk2413.c
 *
 * Copyright (c) 2006 Simtec Electronics
 *	Ben Dooks <ben@simtec.co.uk>
 *
 * Thanks to Dimity Andric (TomTom) and Steven Ryu (Samsung) for the
 * loans of SMDK2413 to work with.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
*/

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include <linux/io.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include <mach/hardware.h>
#include <asm/hardware/iomd.h>
#include <asm/setup.h>
#include <asm/irq.h>
#include <asm/mach-types.h>

//#include <asm/debug-ll.h>
#include <plat/regs-serial.h>
#include <mach/regs-gpio.h>
#include <mach/regs-lcd.h>

#include <mach/idle.h>
#include <plat/udc.h>
#include <plat/iic.h>
#include <mach/fb.h>

#include <plat/s3c2410.h>
#include <plat/s3c2412.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>

#include <plat/common-smdk.h>

static struct map_desc smdk2413_iodesc[] __initdata = {
};

static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = {
	[0] = {
		.hwport	     = 0,
		.flags	     = 0,
		.ucon	     = 0x3c5,
		.ulcon	     = 0x03,
		.ufcon	     = 0x51,
	},
	[1] = {
		.hwport	     = 1,
		.flags	     = 0,
		.ucon	     = 0x3c5,
		.ulcon	     = 0x03,
		.ufcon	     = 0x51,
	},
	/* IR port */
	[2] = {
		.hwport	     = 2,
		.flags	     = 0,
		.ucon	     = 0x3c5,
		.ulcon	     = 0x43,
		.ufcon	     = 0x51,
	}
};

static void smdk2413_udc_pullup(enum s3c2410_udc_cmd_e cmd)
{
	printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);

	switch (cmd)
	{
		case S3C2410_UDC_P_ENABLE :
			gpio_set_value(S3C2410_GPF(2), 1);
			break;
		case S3C2410_UDC_P_DISABLE :
			gpio_set_value(S3C2410_GPF(2), 0);
			break;
		case S3C2410_UDC_P_RESET :
			break;
		default:
			break;
	}
}


static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
	.udc_command		= smdk2413_udc_pullup,
};


static struct platform_device *smdk2413_devices[] __initdata = {
	&s3c_device_ohci,
	&s3c_device_wdt,
	&s3c_device_i2c0,
	&s3c_device_iis,
	&s3c_device_usbgadget,
};

static void __init smdk2413_fixup(struct machine_desc *desc,
				  struct tag *tags, char **cmdline,
				  struct meminfo *mi)
{
	if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
		mi->nr_banks=1;
		mi->bank[0].start = 0x30000000;
		mi->bank[0].size = SZ_64M;
	}
}

static void __init smdk2413_map_io(void)
{
	s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
	s3c24xx_init_clocks(12000000);
	s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
}

static void __init smdk2413_machine_init(void)
{	/* Turn off suspend on both USB ports, and switch the
	 * selectable USB port to USB device mode. */

	WARN_ON(gpio_request(S3C2410_GPF(2), "udc pull"));
	gpio_direction_output(S3C2410_GPF(2), 0);

	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
			      S3C2410_MISCCR_USBSUSPND0 |
			      S3C2410_MISCCR_USBSUSPND1, 0x0);


 	s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
	s3c_i2c0_set_platdata(NULL);

	platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
	smdk_machine_init();
}

MACHINE_START(S3C2413, "S3C2413")
	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
	.boot_params	= S3C2410_SDRAM_PA + 0x100,

	.fixup		= smdk2413_fixup,
	.init_irq	= s3c24xx_init_irq,
	.map_io		= smdk2413_map_io,
	.init_machine	= smdk2413_machine_init,
	.timer		= &s3c24xx_timer,
MACHINE_END

MACHINE_START(SMDK2412, "SMDK2412")
	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
	.boot_params	= S3C2410_SDRAM_PA + 0x100,

	.fixup		= smdk2413_fixup,
	.init_irq	= s3c24xx_init_irq,
	.map_io		= smdk2413_map_io,
	.init_machine	= smdk2413_machine_init,
	.timer		= &s3c24xx_timer,
MACHINE_END

MACHINE_START(SMDK2413, "SMDK2413")
	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
	.boot_params	= S3C2410_SDRAM_PA + 0x100,

	.fixup		= smdk2413_fixup,
	.init_irq	= s3c24xx_init_irq,
	.map_io		= smdk2413_map_io,
	.init_machine	= smdk2413_machine_init,
	.timer		= &s3c24xx_timer,
MACHINE_END
OpenPOWER on IntegriCloud