aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/plat-s3c24xx/common-smdk.c
blob: 1a8347cec20a3da803ecaf5c7f8dba269a2270ee (plain) (blame)
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
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
/* linux/arch/arm/plat-s3c24xx/common-smdk.c
 *
 * Copyright (c) 2006 Simtec Electronics
 *	Ben Dooks <ben@simtec.co.uk>
 *
 * Common code for SMDK2410 and SMDK2440 boards
 *
 * http://www.fluff.org/ben/smdk2440/
 *
 * 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/sysdev.h>
#include <linux/platform_device.h>

#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/partitions.h>
#include <linux/io.h>

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

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

#include <mach/regs-gpio.h>
#include <mach/leds-gpio.h>

#include <plat/nand.h>

#include <plat/common-smdk.h>
#include <plat/devs.h>
#include <plat/pm.h>

/* LED devices */

static struct s3c24xx_led_platdata smdk_pdata_led4 = {
	.gpio		= S3C2410_GPF4,
	.flags		= S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
	.name		= "led4",
	.def_trigger	= "timer",
};

static struct s3c24xx_led_platdata smdk_pdata_led5 = {
	.gpio		= S3C2410_GPF5,
	.flags		= S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
	.name		= "led5",
	.def_trigger	= "nand-disk",
};

static struct s3c24xx_led_platdata smdk_pdata_led6 = {
	.gpio		= S3C2410_GPF6,
	.flags		= S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
	.name		= "led6",
};

static struct s3c24xx_led_platdata smdk_pdata_led7 = {
	.gpio		= S3C2410_GPF7,
	.flags		= S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
	.name		= "led7",
};

static struct platform_device smdk_led4 = {
	.name		= "s3c24xx_led",
	.id		= 0,
	.dev		= {
		.platform_data = &smdk_pdata_led4,
	},
};

static struct platform_device smdk_led5 = {
	.name		= "s3c24xx_led",
	.id		= 1,
	.dev		= {
		.platform_data = &smdk_pdata_led5,
	},
};

static struct platform_device smdk_led6 = {
	.name		= "s3c24xx_led",
	.id		= 2,
	.dev		= {
		.platform_data = &smdk_pdata_led6,
	},
};

static struct platform_device smdk_led7 = {
	.name		= "s3c24xx_led",
	.id		= 3,
	.dev		= {
		.platform_data = &smdk_pdata_led7,
	},
};

/* NAND parititon from 2.4.18-swl5 */

static struct mtd_partition smdk_default_nand_part[] = {
	[0] = {
		.name	= "Boot Agent",
		.size	= SZ_16K,
		.offset	= 0,
	},
	[1] = {
		.name	= "S3C2410 flash partition 1",
		.offset = 0,
		.size	= SZ_2M,
	},
	[2] = {
		.name	= "S3C2410 flash partition 2",
		.offset = SZ_4M,
		.size	= SZ_4M,
	},
	[3] = {
		.name	= "S3C2410 flash partition 3",
		.offset	= SZ_8M,
		.size	= SZ_2M,
	},
	[4] = {
		.name	= "S3C2410 flash partition 4",
		.offset = SZ_1M * 10,
		.size	= SZ_4M,
	},
	[5] = {
		.name	= "S3C2410 flash partition 5",
		.offset	= SZ_1M * 14,
		.size	= SZ_1M * 10,
	},
	[6] = {
		.name	= "S3C2410 flash partition 6",
		.offset	= SZ_1M * 24,
		.size	= SZ_1M * 24,
	},
	[7] = {
		.name	= "S3C2410 flash partition 7",
		.offset = SZ_1M * 48,
		.size	= SZ_16M,
	}
};

static struct s3c2410_nand_set smdk_nand_sets[] = {
	[0] = {
		.name		= "NAND",
		.nr_chips	= 1,
		.nr_partitions	= ARRAY_SIZE(smdk_default_nand_part),
		.partitions	= smdk_default_nand_part,
	},
};

/* choose a set of timings which should suit most 512Mbit
 * chips and beyond.
*/

static struct s3c2410_platform_nand smdk_nand_info = {
	.tacls		= 20,
	.twrph0		= 60,
	.twrph1		= 20,
	.nr_sets	= ARRAY_SIZE(smdk_nand_sets),
	.sets		= smdk_nand_sets,
};

/* devices we initialise */

static struct platform_device __initdata *smdk_devs[] = {
	&s3c_device_nand,
	&smdk_led4,
	&smdk_led5,
	&smdk_led6,
	&smdk_led7,
};

void __init smdk_machine_init(void)
{
	/* Configure the LEDs (even if we have no LED support)*/

	s3c2410_gpio_cfgpin(S3C2410_GPF4, S3C2410_GPF4_OUTP);
	s3c2410_gpio_cfgpin(S3C2410_GPF5, S3C2410_GPF5_OUTP);
	s3c2410_gpio_cfgpin(S3C2410_GPF6, S3C2410_GPF6_OUTP);
	s3c2410_gpio_cfgpin(S3C2410_GPF7, S3C2410_GPF7_OUTP);

	s3c2410_gpio_setpin(S3C2410_GPF4, 1);
	s3c2410_gpio_setpin(S3C2410_GPF5, 1);
	s3c2410_gpio_setpin(S3C2410_GPF6, 1);
	s3c2410_gpio_setpin(S3C2410_GPF7, 1);

	if (machine_is_smdk2443())
		smdk_nand_info.twrph0 = 50;

	s3c_device_nand.dev.platform_data = &smdk_nand_info;

	platform_add_devices(smdk_devs, ARRAY_SIZE(smdk_devs));

	s3c_pm_init();
}