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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 Dooks333a42e2007-05-20 11:55:53 +010021#include <linux/sysdev.h>
Ben Dooksd3f4c572006-04-01 18:33:42 +010022#include <linux/platform_device.h>
23
Ben Dooksdee9b2e2006-04-02 10:00:09 +010024#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
Ben Dooksd3f4c572006-04-01 18:33:42 +010029#include <asm/mach/arch.h>
30#include <asm/mach/map.h>
31#include <asm/mach/irq.h>
32
Ben Dooks42482e32007-05-20 19:58:10 +010033#include <asm/mach-types.h>
Ben Dooksd3f4c572006-04-01 18:33:42 +010034#include <asm/hardware.h>
35#include <asm/io.h>
36#include <asm/irq.h>
Ben Dooksd3f4c572006-04-01 18:33:42 +010037
38#include <asm/arch/regs-gpio.h>
Ben Dooks810c8942006-06-18 22:56:37 +010039#include <asm/arch/leds-gpio.h>
Ben Dooksd3f4c572006-04-01 18:33:42 +010040
Ben Dooks531b6172007-07-22 16:05:25 +010041#include <asm/plat-s3c/nand.h>
Ben Dooksdee9b2e2006-04-02 10:00:09 +010042
Ben Dooksa21765a2007-02-11 18:31:01 +010043#include <asm/plat-s3c24xx/common-smdk.h>
44#include <asm/plat-s3c24xx/devs.h>
45#include <asm/plat-s3c24xx/pm.h>
Ben Dooksd3f4c572006-04-01 18:33:42 +010046
Ben Dooks810c8942006-06-18 22:56:37 +010047/* LED devices */
48
49static 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
56static 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
63static struct s3c24xx_led_platdata smdk_pdata_led6 = {
64 .gpio = S3C2410_GPF6,
65 .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
66 .name = "led6",
67};
68
69static struct s3c24xx_led_platdata smdk_pdata_led7 = {
70 .gpio = S3C2410_GPF7,
71 .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
72 .name = "led7",
73};
74
75static struct platform_device smdk_led4 = {
76 .name = "s3c24xx_led",
77 .id = 0,
78 .dev = {
79 .platform_data = &smdk_pdata_led4,
80 },
81};
82
83static struct platform_device smdk_led5 = {
84 .name = "s3c24xx_led",
85 .id = 1,
86 .dev = {
87 .platform_data = &smdk_pdata_led5,
88 },
89};
90
91static struct platform_device smdk_led6 = {
92 .name = "s3c24xx_led",
93 .id = 2,
94 .dev = {
95 .platform_data = &smdk_pdata_led6,
96 },
97};
98
99static struct platform_device smdk_led7 = {
100 .name = "s3c24xx_led",
101 .id = 3,
102 .dev = {
103 .platform_data = &smdk_pdata_led7,
104 },
105};
106
Ben Dooksdee9b2e2006-04-02 10:00:09 +0100107/* NAND parititon from 2.4.18-swl5 */
108
109static struct mtd_partition smdk_default_nand_part[] = {
110 [0] = {
111 .name = "Boot Agent",
112 .size = SZ_16K,
113 .offset = 0,
114 },
115 [1] = {
Ben Dooksf6835542006-04-13 09:57:15 +0100116 .name = "S3C2410 flash partition 1",
Ben Dooksdee9b2e2006-04-02 10:00:09 +0100117 .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
152static 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
165static 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
175static struct platform_device __initdata *smdk_devs[] = {
176 &s3c_device_nand,
Ben Dooks810c8942006-06-18 22:56:37 +0100177 &smdk_led4,
178 &smdk_led5,
179 &smdk_led6,
180 &smdk_led7,
Ben Dooksdee9b2e2006-04-02 10:00:09 +0100181};
182
Ben Dooksd3f4c572006-04-01 18:33:42 +0100183void __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
Ben Dooks66ce2292006-04-02 10:00:08 +0100192 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);
Ben Dooksd3f4c572006-04-01 18:33:42 +0100196
Ben Dooks42482e32007-05-20 19:58:10 +0100197 if (machine_is_smdk2443())
198 smdk_nand_info.twrph0 = 50;
199
Ben Dooksdee9b2e2006-04-02 10:00:09 +0100200 s3c_device_nand.dev.platform_data = &smdk_nand_info;
201
202 platform_add_devices(smdk_devs, ARRAY_SIZE(smdk_devs));
203
Ben Dooksd3f4c572006-04-01 18:33:42 +0100204 s3c2410_pm_init();
205}