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a21765a7 | 1 | /* linux/arch/arm/plat-s3c24xx/common-smdk.c |
d3f4c571 BD |
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> | |
ec976d6e | 21 | #include <linux/gpio.h> |
edbaa603 | 22 | #include <linux/device.h> |
d3f4c571 BD |
23 | #include <linux/platform_device.h> |
24 | ||
dee9b2e9 BD |
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> | |
fced80c7 | 29 | #include <linux/io.h> |
dee9b2e9 | 30 | |
d3f4c571 BD |
31 | #include <asm/mach/arch.h> |
32 | #include <asm/mach/map.h> | |
33 | #include <asm/mach/irq.h> | |
34 | ||
42482e3c | 35 | #include <asm/mach-types.h> |
a09e64fb | 36 | #include <mach/hardware.h> |
d3f4c571 | 37 | #include <asm/irq.h> |
d3f4c571 | 38 | |
a09e64fb | 39 | #include <mach/regs-gpio.h> |
436d42c6 | 40 | #include <linux/platform_data/leds-s3c24xx.h> |
c67d0f29 | 41 | #include <linux/platform_data/gpio-samsung-s3c24xx.h> |
436d42c6 | 42 | #include <linux/platform_data/mtd-nand-s3c2410.h> |
dee9b2e9 | 43 | |
40b956f0 | 44 | #include <plat/gpio-cfg.h> |
a2b7ba9c BD |
45 | #include <plat/devs.h> |
46 | #include <plat/pm.h> | |
d3f4c571 | 47 | |
4d512a90 KK |
48 | #include "common-smdk.h" |
49 | ||
810c894f BD |
50 | /* LED devices */ |
51 | ||
52 | static struct s3c24xx_led_platdata smdk_pdata_led4 = { | |
070276d5 | 53 | .gpio = S3C2410_GPF(4), |
810c894f BD |
54 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, |
55 | .name = "led4", | |
56 | .def_trigger = "timer", | |
57 | }; | |
58 | ||
59 | static struct s3c24xx_led_platdata smdk_pdata_led5 = { | |
070276d5 | 60 | .gpio = S3C2410_GPF(5), |
810c894f BD |
61 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, |
62 | .name = "led5", | |
63 | .def_trigger = "nand-disk", | |
64 | }; | |
65 | ||
66 | static struct s3c24xx_led_platdata smdk_pdata_led6 = { | |
070276d5 | 67 | .gpio = S3C2410_GPF(6), |
810c894f BD |
68 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, |
69 | .name = "led6", | |
70 | }; | |
71 | ||
72 | static struct s3c24xx_led_platdata smdk_pdata_led7 = { | |
070276d5 | 73 | .gpio = S3C2410_GPF(7), |
810c894f BD |
74 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, |
75 | .name = "led7", | |
76 | }; | |
77 | ||
78 | static struct platform_device smdk_led4 = { | |
79 | .name = "s3c24xx_led", | |
80 | .id = 0, | |
81 | .dev = { | |
82 | .platform_data = &smdk_pdata_led4, | |
83 | }, | |
84 | }; | |
85 | ||
86 | static struct platform_device smdk_led5 = { | |
87 | .name = "s3c24xx_led", | |
88 | .id = 1, | |
89 | .dev = { | |
90 | .platform_data = &smdk_pdata_led5, | |
91 | }, | |
92 | }; | |
93 | ||
94 | static struct platform_device smdk_led6 = { | |
95 | .name = "s3c24xx_led", | |
96 | .id = 2, | |
97 | .dev = { | |
98 | .platform_data = &smdk_pdata_led6, | |
99 | }, | |
100 | }; | |
101 | ||
102 | static struct platform_device smdk_led7 = { | |
103 | .name = "s3c24xx_led", | |
104 | .id = 3, | |
105 | .dev = { | |
106 | .platform_data = &smdk_pdata_led7, | |
107 | }, | |
108 | }; | |
109 | ||
dee9b2e9 BD |
110 | /* NAND parititon from 2.4.18-swl5 */ |
111 | ||
112 | static struct mtd_partition smdk_default_nand_part[] = { | |
113 | [0] = { | |
114 | .name = "Boot Agent", | |
115 | .size = SZ_16K, | |
116 | .offset = 0, | |
117 | }, | |
118 | [1] = { | |
f6835543 | 119 | .name = "S3C2410 flash partition 1", |
dee9b2e9 BD |
120 | .offset = 0, |
121 | .size = SZ_2M, | |
122 | }, | |
123 | [2] = { | |
124 | .name = "S3C2410 flash partition 2", | |
125 | .offset = SZ_4M, | |
126 | .size = SZ_4M, | |
127 | }, | |
128 | [3] = { | |
129 | .name = "S3C2410 flash partition 3", | |
130 | .offset = SZ_8M, | |
131 | .size = SZ_2M, | |
132 | }, | |
133 | [4] = { | |
134 | .name = "S3C2410 flash partition 4", | |
135 | .offset = SZ_1M * 10, | |
136 | .size = SZ_4M, | |
137 | }, | |
138 | [5] = { | |
139 | .name = "S3C2410 flash partition 5", | |
140 | .offset = SZ_1M * 14, | |
141 | .size = SZ_1M * 10, | |
142 | }, | |
143 | [6] = { | |
144 | .name = "S3C2410 flash partition 6", | |
145 | .offset = SZ_1M * 24, | |
146 | .size = SZ_1M * 24, | |
147 | }, | |
148 | [7] = { | |
149 | .name = "S3C2410 flash partition 7", | |
150 | .offset = SZ_1M * 48, | |
66ad4eea | 151 | .size = MTDPART_SIZ_FULL, |
dee9b2e9 BD |
152 | } |
153 | }; | |
154 | ||
155 | static struct s3c2410_nand_set smdk_nand_sets[] = { | |
156 | [0] = { | |
157 | .name = "NAND", | |
158 | .nr_chips = 1, | |
159 | .nr_partitions = ARRAY_SIZE(smdk_default_nand_part), | |
160 | .partitions = smdk_default_nand_part, | |
161 | }, | |
162 | }; | |
163 | ||
164 | /* choose a set of timings which should suit most 512Mbit | |
165 | * chips and beyond. | |
166 | */ | |
167 | ||
168 | static struct s3c2410_platform_nand smdk_nand_info = { | |
169 | .tacls = 20, | |
170 | .twrph0 = 60, | |
171 | .twrph1 = 20, | |
172 | .nr_sets = ARRAY_SIZE(smdk_nand_sets), | |
173 | .sets = smdk_nand_sets, | |
174 | }; | |
175 | ||
176 | /* devices we initialise */ | |
177 | ||
178 | static struct platform_device __initdata *smdk_devs[] = { | |
179 | &s3c_device_nand, | |
810c894f BD |
180 | &smdk_led4, |
181 | &smdk_led5, | |
182 | &smdk_led6, | |
183 | &smdk_led7, | |
dee9b2e9 BD |
184 | }; |
185 | ||
ff40b4b1 SN |
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 }, | |
191 | }; | |
192 | ||
d3f4c571 BD |
193 | void __init smdk_machine_init(void) |
194 | { | |
195 | /* Configure the LEDs (even if we have no LED support)*/ | |
196 | ||
ff40b4b1 SN |
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)); | |
d3f4c571 | 201 | |
42482e3c BD |
202 | if (machine_is_smdk2443()) |
203 | smdk_nand_info.twrph0 = 50; | |
204 | ||
2a3a1804 | 205 | s3c_nand_set_platdata(&smdk_nand_info); |
dee9b2e9 BD |
206 | |
207 | platform_add_devices(smdk_devs, ARRAY_SIZE(smdk_devs)); | |
208 | ||
4e59c25d | 209 | s3c_pm_init(); |
d3f4c571 | 210 | } |