[ARM] S3C24XX: GPIO: Change to macros for GPIO numbering
[linux-2.6] / 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/gpio.h>
22 #include <linux/sysdev.h>
23 #include <linux/platform_device.h>
24
25 #include <linux/mtd/mtd.h>
26 #include <linux/mtd/nand.h>
27 #include <linux/mtd/nand_ecc.h>
28 #include <linux/mtd/partitions.h>
29 #include <linux/io.h>
30
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
33 #include <asm/mach/irq.h>
34
35 #include <asm/mach-types.h>
36 #include <mach/hardware.h>
37 #include <asm/irq.h>
38
39 #include <mach/regs-gpio.h>
40 #include <mach/leds-gpio.h>
41
42 #include <plat/nand.h>
43
44 #include <plat/common-smdk.h>
45 #include <plat/devs.h>
46 #include <plat/pm.h>
47
48 /* LED devices */
49
50 static struct s3c24xx_led_platdata smdk_pdata_led4 = {
51         .gpio           = S3C2410_GPF(4),
52         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
53         .name           = "led4",
54         .def_trigger    = "timer",
55 };
56
57 static struct s3c24xx_led_platdata smdk_pdata_led5 = {
58         .gpio           = S3C2410_GPF(5),
59         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
60         .name           = "led5",
61         .def_trigger    = "nand-disk",
62 };
63
64 static struct s3c24xx_led_platdata smdk_pdata_led6 = {
65         .gpio           = S3C2410_GPF(6),
66         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
67         .name           = "led6",
68 };
69
70 static struct s3c24xx_led_platdata smdk_pdata_led7 = {
71         .gpio           = S3C2410_GPF(7),
72         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
73         .name           = "led7",
74 };
75
76 static struct platform_device smdk_led4 = {
77         .name           = "s3c24xx_led",
78         .id             = 0,
79         .dev            = {
80                 .platform_data = &smdk_pdata_led4,
81         },
82 };
83
84 static struct platform_device smdk_led5 = {
85         .name           = "s3c24xx_led",
86         .id             = 1,
87         .dev            = {
88                 .platform_data = &smdk_pdata_led5,
89         },
90 };
91
92 static struct platform_device smdk_led6 = {
93         .name           = "s3c24xx_led",
94         .id             = 2,
95         .dev            = {
96                 .platform_data = &smdk_pdata_led6,
97         },
98 };
99
100 static struct platform_device smdk_led7 = {
101         .name           = "s3c24xx_led",
102         .id             = 3,
103         .dev            = {
104                 .platform_data = &smdk_pdata_led7,
105         },
106 };
107
108 /* NAND parititon from 2.4.18-swl5 */
109
110 static struct mtd_partition smdk_default_nand_part[] = {
111         [0] = {
112                 .name   = "Boot Agent",
113                 .size   = SZ_16K,
114                 .offset = 0,
115         },
116         [1] = {
117                 .name   = "S3C2410 flash partition 1",
118                 .offset = 0,
119                 .size   = SZ_2M,
120         },
121         [2] = {
122                 .name   = "S3C2410 flash partition 2",
123                 .offset = SZ_4M,
124                 .size   = SZ_4M,
125         },
126         [3] = {
127                 .name   = "S3C2410 flash partition 3",
128                 .offset = SZ_8M,
129                 .size   = SZ_2M,
130         },
131         [4] = {
132                 .name   = "S3C2410 flash partition 4",
133                 .offset = SZ_1M * 10,
134                 .size   = SZ_4M,
135         },
136         [5] = {
137                 .name   = "S3C2410 flash partition 5",
138                 .offset = SZ_1M * 14,
139                 .size   = SZ_1M * 10,
140         },
141         [6] = {
142                 .name   = "S3C2410 flash partition 6",
143                 .offset = SZ_1M * 24,
144                 .size   = SZ_1M * 24,
145         },
146         [7] = {
147                 .name   = "S3C2410 flash partition 7",
148                 .offset = SZ_1M * 48,
149                 .size   = SZ_16M,
150         }
151 };
152
153 static struct s3c2410_nand_set smdk_nand_sets[] = {
154         [0] = {
155                 .name           = "NAND",
156                 .nr_chips       = 1,
157                 .nr_partitions  = ARRAY_SIZE(smdk_default_nand_part),
158                 .partitions     = smdk_default_nand_part,
159         },
160 };
161
162 /* choose a set of timings which should suit most 512Mbit
163  * chips and beyond.
164 */
165
166 static struct s3c2410_platform_nand smdk_nand_info = {
167         .tacls          = 20,
168         .twrph0         = 60,
169         .twrph1         = 20,
170         .nr_sets        = ARRAY_SIZE(smdk_nand_sets),
171         .sets           = smdk_nand_sets,
172 };
173
174 /* devices we initialise */
175
176 static struct platform_device __initdata *smdk_devs[] = {
177         &s3c_device_nand,
178         &smdk_led4,
179         &smdk_led5,
180         &smdk_led6,
181         &smdk_led7,
182 };
183
184 void __init smdk_machine_init(void)
185 {
186         /* Configure the LEDs (even if we have no LED support)*/
187
188         s3c2410_gpio_cfgpin(S3C2410_GPF(4), S3C2410_GPIO_OUTPUT);
189         s3c2410_gpio_cfgpin(S3C2410_GPF(5), S3C2410_GPIO_OUTPUT);
190         s3c2410_gpio_cfgpin(S3C2410_GPF(6), S3C2410_GPIO_OUTPUT);
191         s3c2410_gpio_cfgpin(S3C2410_GPF(7), S3C2410_GPIO_OUTPUT);
192
193         s3c2410_gpio_setpin(S3C2410_GPF(4), 1);
194         s3c2410_gpio_setpin(S3C2410_GPF(5), 1);
195         s3c2410_gpio_setpin(S3C2410_GPF(6), 1);
196         s3c2410_gpio_setpin(S3C2410_GPF(7), 1);
197
198         if (machine_is_smdk2443())
199                 smdk_nand_info.twrph0 = 50;
200
201         s3c_device_nand.dev.platform_data = &smdk_nand_info;
202
203         platform_add_devices(smdk_devs, ARRAY_SIZE(smdk_devs));
204
205         s3c_pm_init();
206 }