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Ben Dooksa21765a2007-02-11 18:31:01 +01001/* linux/arch/arm/plat-s3c24xx/common-smdk.c
Ben Dooksd3f4c572006-04-01 18:33:42 +01002 *
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>
Ben Dooksec976d62009-05-13 22:52:24 +010021#include <linux/gpio.h>
Ben Dooks333a42e2007-05-20 11:55:53 +010022#include <linux/sysdev.h>
Ben Dooksd3f4c572006-04-01 18:33:42 +010023#include <linux/platform_device.h>
24
Ben Dooksdee9b2e2006-04-02 10:00:09 +010025#include <linux/mtd/mtd.h>
26#include <linux/mtd/nand.h>
27#include <linux/mtd/nand_ecc.h>
28#include <linux/mtd/partitions.h>
Russell Kingfced80c2008-09-06 12:10:45 +010029#include <linux/io.h>
Ben Dooksdee9b2e2006-04-02 10:00:09 +010030
Ben Dooksd3f4c572006-04-01 18:33:42 +010031#include <asm/mach/arch.h>
32#include <asm/mach/map.h>
33#include <asm/mach/irq.h>
34
Ben Dooks42482e32007-05-20 19:58:10 +010035#include <asm/mach-types.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010036#include <mach/hardware.h>
Ben Dooksd3f4c572006-04-01 18:33:42 +010037#include <asm/irq.h>
Ben Dooksd3f4c572006-04-01 18:33:42 +010038
Russell Kinga09e64f2008-08-05 16:14:15 +010039#include <mach/regs-gpio.h>
40#include <mach/leds-gpio.h>
Ben Dooksd3f4c572006-04-01 18:33:42 +010041
Ben Dooks7926b5a2008-10-30 10:14:35 +000042#include <plat/nand.h>
Ben Dooksdee9b2e2006-04-02 10:00:09 +010043
Ben Dooksd5120ae2008-10-07 23:09:51 +010044#include <plat/common-smdk.h>
Ben Dooks40b956f2010-05-04 14:38:49 +090045#include <plat/gpio-cfg.h>
Ben Dooksa2b7ba92008-10-07 22:26:09 +010046#include <plat/devs.h>
47#include <plat/pm.h>
Ben Dooksd3f4c572006-04-01 18:33:42 +010048
Ben Dooks810c8942006-06-18 22:56:37 +010049/* LED devices */
50
51static struct s3c24xx_led_platdata smdk_pdata_led4 = {
Ben Dooks070276d2009-05-17 22:32:23 +010052 .gpio = S3C2410_GPF(4),
Ben Dooks810c8942006-06-18 22:56:37 +010053 .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
54 .name = "led4",
55 .def_trigger = "timer",
56};
57
58static struct s3c24xx_led_platdata smdk_pdata_led5 = {
Ben Dooks070276d2009-05-17 22:32:23 +010059 .gpio = S3C2410_GPF(5),
Ben Dooks810c8942006-06-18 22:56:37 +010060 .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
61 .name = "led5",
62 .def_trigger = "nand-disk",
63};
64
65static struct s3c24xx_led_platdata smdk_pdata_led6 = {
Ben Dooks070276d2009-05-17 22:32:23 +010066 .gpio = S3C2410_GPF(6),
Ben Dooks810c8942006-06-18 22:56:37 +010067 .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
68 .name = "led6",
69};
70
71static struct s3c24xx_led_platdata smdk_pdata_led7 = {
Ben Dooks070276d2009-05-17 22:32:23 +010072 .gpio = S3C2410_GPF(7),
Ben Dooks810c8942006-06-18 22:56:37 +010073 .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
74 .name = "led7",
75};
76
77static struct platform_device smdk_led4 = {
78 .name = "s3c24xx_led",
79 .id = 0,
80 .dev = {
81 .platform_data = &smdk_pdata_led4,
82 },
83};
84
85static struct platform_device smdk_led5 = {
86 .name = "s3c24xx_led",
87 .id = 1,
88 .dev = {
89 .platform_data = &smdk_pdata_led5,
90 },
91};
92
93static struct platform_device smdk_led6 = {
94 .name = "s3c24xx_led",
95 .id = 2,
96 .dev = {
97 .platform_data = &smdk_pdata_led6,
98 },
99};
100
101static struct platform_device smdk_led7 = {
102 .name = "s3c24xx_led",
103 .id = 3,
104 .dev = {
105 .platform_data = &smdk_pdata_led7,
106 },
107};
108
Ben Dooksdee9b2e2006-04-02 10:00:09 +0100109/* NAND parititon from 2.4.18-swl5 */
110
111static struct mtd_partition smdk_default_nand_part[] = {
112 [0] = {
113 .name = "Boot Agent",
114 .size = SZ_16K,
115 .offset = 0,
116 },
117 [1] = {
Ben Dooksf6835542006-04-13 09:57:15 +0100118 .name = "S3C2410 flash partition 1",
Ben Dooksdee9b2e2006-04-02 10:00:09 +0100119 .offset = 0,
120 .size = SZ_2M,
121 },
122 [2] = {
123 .name = "S3C2410 flash partition 2",
124 .offset = SZ_4M,
125 .size = SZ_4M,
126 },
127 [3] = {
128 .name = "S3C2410 flash partition 3",
129 .offset = SZ_8M,
130 .size = SZ_2M,
131 },
132 [4] = {
133 .name = "S3C2410 flash partition 4",
134 .offset = SZ_1M * 10,
135 .size = SZ_4M,
136 },
137 [5] = {
138 .name = "S3C2410 flash partition 5",
139 .offset = SZ_1M * 14,
140 .size = SZ_1M * 10,
141 },
142 [6] = {
143 .name = "S3C2410 flash partition 6",
144 .offset = SZ_1M * 24,
145 .size = SZ_1M * 24,
146 },
147 [7] = {
148 .name = "S3C2410 flash partition 7",
149 .offset = SZ_1M * 48,
Atul Dahiya66ad4ee2010-10-18 19:53:34 +0900150 .size = MTDPART_SIZ_FULL,
Ben Dooksdee9b2e2006-04-02 10:00:09 +0100151 }
152};
153
154static struct s3c2410_nand_set smdk_nand_sets[] = {
155 [0] = {
156 .name = "NAND",
157 .nr_chips = 1,
158 .nr_partitions = ARRAY_SIZE(smdk_default_nand_part),
159 .partitions = smdk_default_nand_part,
160 },
161};
162
163/* choose a set of timings which should suit most 512Mbit
164 * chips and beyond.
165*/
166
167static struct s3c2410_platform_nand smdk_nand_info = {
168 .tacls = 20,
169 .twrph0 = 60,
170 .twrph1 = 20,
171 .nr_sets = ARRAY_SIZE(smdk_nand_sets),
172 .sets = smdk_nand_sets,
173};
174
175/* devices we initialise */
176
177static struct platform_device __initdata *smdk_devs[] = {
178 &s3c_device_nand,
Ben Dooks810c8942006-06-18 22:56:37 +0100179 &smdk_led4,
180 &smdk_led5,
181 &smdk_led6,
182 &smdk_led7,
Ben Dooksdee9b2e2006-04-02 10:00:09 +0100183};
184
Ben Dooksd3f4c572006-04-01 18:33:42 +0100185void __init smdk_machine_init(void)
186{
187 /* Configure the LEDs (even if we have no LED support)*/
188
Ben Dooks40b956f2010-05-04 14:38:49 +0900189 s3c_gpio_cfgpin(S3C2410_GPF(4), S3C2410_GPIO_OUTPUT);
190 s3c_gpio_cfgpin(S3C2410_GPF(5), S3C2410_GPIO_OUTPUT);
191 s3c_gpio_cfgpin(S3C2410_GPF(6), S3C2410_GPIO_OUTPUT);
192 s3c_gpio_cfgpin(S3C2410_GPF(7), S3C2410_GPIO_OUTPUT);
Ben Dooksd3f4c572006-04-01 18:33:42 +0100193
Ben Dooks070276d2009-05-17 22:32:23 +0100194 s3c2410_gpio_setpin(S3C2410_GPF(4), 1);
195 s3c2410_gpio_setpin(S3C2410_GPF(5), 1);
196 s3c2410_gpio_setpin(S3C2410_GPF(6), 1);
197 s3c2410_gpio_setpin(S3C2410_GPF(7), 1);
Ben Dooksd3f4c572006-04-01 18:33:42 +0100198
Ben Dooks42482e32007-05-20 19:58:10 +0100199 if (machine_is_smdk2443())
200 smdk_nand_info.twrph0 = 50;
201
Ben Dooks2a3a1802009-09-28 13:59:49 +0300202 s3c_nand_set_platdata(&smdk_nand_info);
Ben Dooksdee9b2e2006-04-02 10:00:09 +0100203
204 platform_add_devices(smdk_devs, ARRAY_SIZE(smdk_devs));
205
Ben Dooks4e59c252008-12-12 00:24:18 +0000206 s3c_pm_init();
Ben Dooksd3f4c572006-04-01 18:33:42 +0100207}