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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> | |
333a42e1 | 21 | #include <linux/sysdev.h> |
d3f4c571 BD |
22 | #include <linux/platform_device.h> |
23 | ||
dee9b2e9 BD |
24 | #include <linux/mtd/mtd.h> |
25 | #include <linux/mtd/nand.h> | |
26 | #include <linux/mtd/nand_ecc.h> | |
27 | #include <linux/mtd/partitions.h> | |
fced80c7 | 28 | #include <linux/io.h> |
dee9b2e9 | 29 | |
d3f4c571 BD |
30 | #include <asm/mach/arch.h> |
31 | #include <asm/mach/map.h> | |
32 | #include <asm/mach/irq.h> | |
33 | ||
42482e3c | 34 | #include <asm/mach-types.h> |
a09e64fb | 35 | #include <mach/hardware.h> |
d3f4c571 | 36 | #include <asm/irq.h> |
d3f4c571 | 37 | |
a09e64fb RK |
38 | #include <mach/regs-gpio.h> |
39 | #include <mach/leds-gpio.h> | |
d3f4c571 | 40 | |
7926b5a3 | 41 | #include <plat/nand.h> |
dee9b2e9 | 42 | |
d5120ae7 | 43 | #include <plat/common-smdk.h> |
a2b7ba9c BD |
44 | #include <plat/devs.h> |
45 | #include <plat/pm.h> | |
d3f4c571 | 46 | |
810c894f BD |
47 | /* LED devices */ |
48 | ||
49 | static 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 | ||
56 | static 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 | ||
63 | static struct s3c24xx_led_platdata smdk_pdata_led6 = { | |
64 | .gpio = S3C2410_GPF6, | |
65 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, | |
66 | .name = "led6", | |
67 | }; | |
68 | ||
69 | static struct s3c24xx_led_platdata smdk_pdata_led7 = { | |
70 | .gpio = S3C2410_GPF7, | |
71 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, | |
72 | .name = "led7", | |
73 | }; | |
74 | ||
75 | static struct platform_device smdk_led4 = { | |
76 | .name = "s3c24xx_led", | |
77 | .id = 0, | |
78 | .dev = { | |
79 | .platform_data = &smdk_pdata_led4, | |
80 | }, | |
81 | }; | |
82 | ||
83 | static struct platform_device smdk_led5 = { | |
84 | .name = "s3c24xx_led", | |
85 | .id = 1, | |
86 | .dev = { | |
87 | .platform_data = &smdk_pdata_led5, | |
88 | }, | |
89 | }; | |
90 | ||
91 | static struct platform_device smdk_led6 = { | |
92 | .name = "s3c24xx_led", | |
93 | .id = 2, | |
94 | .dev = { | |
95 | .platform_data = &smdk_pdata_led6, | |
96 | }, | |
97 | }; | |
98 | ||
99 | static struct platform_device smdk_led7 = { | |
100 | .name = "s3c24xx_led", | |
101 | .id = 3, | |
102 | .dev = { | |
103 | .platform_data = &smdk_pdata_led7, | |
104 | }, | |
105 | }; | |
106 | ||
dee9b2e9 BD |
107 | /* NAND parititon from 2.4.18-swl5 */ |
108 | ||
109 | static struct mtd_partition smdk_default_nand_part[] = { | |
110 | [0] = { | |
111 | .name = "Boot Agent", | |
112 | .size = SZ_16K, | |
113 | .offset = 0, | |
114 | }, | |
115 | [1] = { | |
f6835543 | 116 | .name = "S3C2410 flash partition 1", |
dee9b2e9 BD |
117 | .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 | ||
152 | static 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 | ||
165 | static 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 | ||
175 | static struct platform_device __initdata *smdk_devs[] = { | |
176 | &s3c_device_nand, | |
810c894f BD |
177 | &smdk_led4, |
178 | &smdk_led5, | |
179 | &smdk_led6, | |
180 | &smdk_led7, | |
dee9b2e9 BD |
181 | }; |
182 | ||
d3f4c571 BD |
183 | void __init smdk_machine_init(void) |
184 | { | |
185 | /* Configure the LEDs (even if we have no LED support)*/ | |
186 | ||
9f05f6a9 BD |
187 | s3c2410_gpio_cfgpin(S3C2410_GPF4, S3C2410_GPIO_OUTPUT); |
188 | s3c2410_gpio_cfgpin(S3C2410_GPF5, S3C2410_GPIO_OUTPUT); | |
189 | s3c2410_gpio_cfgpin(S3C2410_GPF6, S3C2410_GPIO_OUTPUT); | |
190 | s3c2410_gpio_cfgpin(S3C2410_GPF7, S3C2410_GPIO_OUTPUT); | |
d3f4c571 | 191 | |
66ce229f BD |
192 | 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); | |
d3f4c571 | 196 | |
42482e3c BD |
197 | if (machine_is_smdk2443()) |
198 | smdk_nand_info.twrph0 = 50; | |
199 | ||
dee9b2e9 BD |
200 | s3c_device_nand.dev.platform_data = &smdk_nand_info; |
201 | ||
202 | platform_add_devices(smdk_devs, ARRAY_SIZE(smdk_devs)); | |
203 | ||
4e59c25d | 204 | s3c_pm_init(); |
d3f4c571 | 205 | } |