[ARM] S3C: Move nand headers to arch/arm/plat-s3c/include/plat
[linux-2.6.git] / arch / arm / plat-s3c24xx / common-smdk.c
1 /* linux/arch/arm/plat-s3c24xx/common-smdk.c
2  *
3  * Copyright (c) 2006 Simtec Electronics
4  *      Ben Dooks <ben@simtec.co.uk>
5  *
6  * Common code for SMDK2410 and SMDK2440 boards
7  *
8  * http://www.fluff.org/ben/smdk2440/
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * published by the Free Software Foundation.
13 */
14
15 #include <linux/kernel.h>
16 #include <linux/types.h>
17 #include <linux/interrupt.h>
18 #include <linux/list.h>
19 #include <linux/timer.h>
20 #include <linux/init.h>
21 #include <linux/sysdev.h>
22 #include <linux/platform_device.h>
23
24 #include <linux/mtd/mtd.h>
25 #include <linux/mtd/nand.h>
26 #include <linux/mtd/nand_ecc.h>
27 #include <linux/mtd/partitions.h>
28 #include <linux/io.h>
29
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
32 #include <asm/mach/irq.h>
33
34 #include <asm/mach-types.h>
35 #include <mach/hardware.h>
36 #include <asm/irq.h>
37
38 #include <mach/regs-gpio.h>
39 #include <mach/leds-gpio.h>
40
41 #include <plat/nand.h>
42
43 #include <plat/common-smdk.h>
44 #include <plat/devs.h>
45 #include <plat/pm.h>
46
47 /* LED devices */
48
49 static struct s3c24xx_led_platdata smdk_pdata_led4 = {
50         .gpio           = S3C2410_GPF4,
51         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
52         .name           = "led4",
53         .def_trigger    = "timer",
54 };
55
56 static struct s3c24xx_led_platdata smdk_pdata_led5 = {
57         .gpio           = S3C2410_GPF5,
58         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
59         .name           = "led5",
60         .def_trigger    = "nand-disk",
61 };
62
63 static struct s3c24xx_led_platdata smdk_pdata_led6 = {
64         .gpio           = S3C2410_GPF6,
65         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
66         .name           = "led6",
67 };
68
69 static struct s3c24xx_led_platdata smdk_pdata_led7 = {
70         .gpio           = S3C2410_GPF7,
71         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
72         .name           = "led7",
73 };
74
75 static struct platform_device smdk_led4 = {
76         .name           = "s3c24xx_led",
77         .id             = 0,
78         .dev            = {
79                 .platform_data = &smdk_pdata_led4,
80         },
81 };
82
83 static struct platform_device smdk_led5 = {
84         .name           = "s3c24xx_led",
85         .id             = 1,
86         .dev            = {
87                 .platform_data = &smdk_pdata_led5,
88         },
89 };
90
91 static struct platform_device smdk_led6 = {
92         .name           = "s3c24xx_led",
93         .id             = 2,
94         .dev            = {
95                 .platform_data = &smdk_pdata_led6,
96         },
97 };
98
99 static struct platform_device smdk_led7 = {
100         .name           = "s3c24xx_led",
101         .id             = 3,
102         .dev            = {
103                 .platform_data = &smdk_pdata_led7,
104         },
105 };
106
107 /* NAND parititon from 2.4.18-swl5 */
108
109 static struct mtd_partition smdk_default_nand_part[] = {
110         [0] = {
111                 .name   = "Boot Agent",
112                 .size   = SZ_16K,
113                 .offset = 0,
114         },
115         [1] = {
116                 .name   = "S3C2410 flash partition 1",
117                 .offset = 0,
118                 .size   = SZ_2M,
119         },
120         [2] = {
121                 .name   = "S3C2410 flash partition 2",
122                 .offset = SZ_4M,
123                 .size   = SZ_4M,
124         },
125         [3] = {
126                 .name   = "S3C2410 flash partition 3",
127                 .offset = SZ_8M,
128                 .size   = SZ_2M,
129         },
130         [4] = {
131                 .name   = "S3C2410 flash partition 4",
132                 .offset = SZ_1M * 10,
133                 .size   = SZ_4M,
134         },
135         [5] = {
136                 .name   = "S3C2410 flash partition 5",
137                 .offset = SZ_1M * 14,
138                 .size   = SZ_1M * 10,
139         },
140         [6] = {
141                 .name   = "S3C2410 flash partition 6",
142                 .offset = SZ_1M * 24,
143                 .size   = SZ_1M * 24,
144         },
145         [7] = {
146                 .name   = "S3C2410 flash partition 7",
147                 .offset = SZ_1M * 48,
148                 .size   = SZ_16M,
149         }
150 };
151
152 static struct s3c2410_nand_set smdk_nand_sets[] = {
153         [0] = {
154                 .name           = "NAND",
155                 .nr_chips       = 1,
156                 .nr_partitions  = ARRAY_SIZE(smdk_default_nand_part),
157                 .partitions     = smdk_default_nand_part,
158         },
159 };
160
161 /* choose a set of timings which should suit most 512Mbit
162  * chips and beyond.
163 */
164
165 static struct s3c2410_platform_nand smdk_nand_info = {
166         .tacls          = 20,
167         .twrph0         = 60,
168         .twrph1         = 20,
169         .nr_sets        = ARRAY_SIZE(smdk_nand_sets),
170         .sets           = smdk_nand_sets,
171 };
172
173 /* devices we initialise */
174
175 static struct platform_device __initdata *smdk_devs[] = {
176         &s3c_device_nand,
177         &smdk_led4,
178         &smdk_led5,
179         &smdk_led6,
180         &smdk_led7,
181 };
182
183 void __init smdk_machine_init(void)
184 {
185         /* Configure the LEDs (even if we have no LED support)*/
186
187         s3c2410_gpio_cfgpin(S3C2410_GPF4, S3C2410_GPF4_OUTP);
188         s3c2410_gpio_cfgpin(S3C2410_GPF5, S3C2410_GPF5_OUTP);
189         s3c2410_gpio_cfgpin(S3C2410_GPF6, S3C2410_GPF6_OUTP);
190         s3c2410_gpio_cfgpin(S3C2410_GPF7, S3C2410_GPF7_OUTP);
191
192         s3c2410_gpio_setpin(S3C2410_GPF4, 1);
193         s3c2410_gpio_setpin(S3C2410_GPF5, 1);
194         s3c2410_gpio_setpin(S3C2410_GPF6, 1);
195         s3c2410_gpio_setpin(S3C2410_GPF7, 1);
196
197         if (machine_is_smdk2443())
198                 smdk_nand_info.twrph0 = 50;
199
200         s3c_device_nand.dev.platform_data = &smdk_nand_info;
201
202         platform_add_devices(smdk_devs, ARRAY_SIZE(smdk_devs));
203
204         s3c2410_pm_init();
205 }