1 /* linux/arch/arm/plat-s3c24xx/common-smdk.c
3 * Copyright (c) 2006 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
6 * Common code for SMDK2410 and SMDK2440 boards
8 * http://www.fluff.org/ben/smdk2440/
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.
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/device.h>
23 #include <linux/platform_device.h>
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>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
33 #include <asm/mach/irq.h>
35 #include <asm/mach-types.h>
36 #include <mach/hardware.h>
39 #include <mach/regs-gpio.h>
40 #include <linux/platform_data/leds-s3c24xx.h>
42 #include <linux/platform_data/mtd-nand-s3c2410.h>
44 #include <plat/gpio-cfg.h>
45 #include <plat/devs.h>
48 #include "common-smdk.h"
52 static struct s3c24xx_led_platdata smdk_pdata_led4
= {
53 .gpio
= S3C2410_GPF(4),
54 .flags
= S3C24XX_LEDF_ACTLOW
| S3C24XX_LEDF_TRISTATE
,
56 .def_trigger
= "timer",
59 static struct s3c24xx_led_platdata smdk_pdata_led5
= {
60 .gpio
= S3C2410_GPF(5),
61 .flags
= S3C24XX_LEDF_ACTLOW
| S3C24XX_LEDF_TRISTATE
,
63 .def_trigger
= "nand-disk",
66 static struct s3c24xx_led_platdata smdk_pdata_led6
= {
67 .gpio
= S3C2410_GPF(6),
68 .flags
= S3C24XX_LEDF_ACTLOW
| S3C24XX_LEDF_TRISTATE
,
72 static struct s3c24xx_led_platdata smdk_pdata_led7
= {
73 .gpio
= S3C2410_GPF(7),
74 .flags
= S3C24XX_LEDF_ACTLOW
| S3C24XX_LEDF_TRISTATE
,
78 static struct platform_device smdk_led4
= {
79 .name
= "s3c24xx_led",
82 .platform_data
= &smdk_pdata_led4
,
86 static struct platform_device smdk_led5
= {
87 .name
= "s3c24xx_led",
90 .platform_data
= &smdk_pdata_led5
,
94 static struct platform_device smdk_led6
= {
95 .name
= "s3c24xx_led",
98 .platform_data
= &smdk_pdata_led6
,
102 static struct platform_device smdk_led7
= {
103 .name
= "s3c24xx_led",
106 .platform_data
= &smdk_pdata_led7
,
110 /* NAND parititon from 2.4.18-swl5 */
112 static struct mtd_partition smdk_default_nand_part
[] = {
114 .name
= "Boot Agent",
119 .name
= "S3C2410 flash partition 1",
124 .name
= "S3C2410 flash partition 2",
129 .name
= "S3C2410 flash partition 3",
134 .name
= "S3C2410 flash partition 4",
135 .offset
= SZ_1M
* 10,
139 .name
= "S3C2410 flash partition 5",
140 .offset
= SZ_1M
* 14,
144 .name
= "S3C2410 flash partition 6",
145 .offset
= SZ_1M
* 24,
149 .name
= "S3C2410 flash partition 7",
150 .offset
= SZ_1M
* 48,
151 .size
= MTDPART_SIZ_FULL
,
155 static struct s3c2410_nand_set smdk_nand_sets
[] = {
159 .nr_partitions
= ARRAY_SIZE(smdk_default_nand_part
),
160 .partitions
= smdk_default_nand_part
,
164 /* choose a set of timings which should suit most 512Mbit
168 static struct s3c2410_platform_nand smdk_nand_info
= {
172 .nr_sets
= ARRAY_SIZE(smdk_nand_sets
),
173 .sets
= smdk_nand_sets
,
176 /* devices we initialise */
178 static struct platform_device __initdata
*smdk_devs
[] = {
186 static const struct gpio smdk_led_gpios
[] = {
187 { S3C2410_GPF(4), GPIOF_OUT_INIT_HIGH
, NULL
},
188 { S3C2410_GPF(5), GPIOF_OUT_INIT_HIGH
, NULL
},
189 { S3C2410_GPF(6), GPIOF_OUT_INIT_HIGH
, NULL
},
190 { S3C2410_GPF(7), GPIOF_OUT_INIT_HIGH
, NULL
},
193 void __init
smdk_machine_init(void)
195 /* Configure the LEDs (even if we have no LED support)*/
197 int ret
= gpio_request_array(smdk_led_gpios
,
198 ARRAY_SIZE(smdk_led_gpios
));
199 if (!WARN_ON(ret
< 0))
200 gpio_free_array(smdk_led_gpios
, ARRAY_SIZE(smdk_led_gpios
));
202 if (machine_is_smdk2443())
203 smdk_nand_info
.twrph0
= 50;
205 s3c_nand_set_platdata(&smdk_nand_info
);
207 platform_add_devices(smdk_devs
, ARRAY_SIZE(smdk_devs
));