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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> |
333a42e1 | 22 | #include <linux/sysdev.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 RK |
39 | #include <mach/regs-gpio.h> |
40 | #include <mach/leds-gpio.h> | |
d3f4c571 | 41 | |
7926b5a3 | 42 | #include <plat/nand.h> |
dee9b2e9 | 43 | |
d5120ae7 | 44 | #include <plat/common-smdk.h> |
a2b7ba9c BD |
45 | #include <plat/devs.h> |
46 | #include <plat/pm.h> | |
d3f4c571 | 47 | |
810c894f BD |
48 | /* LED devices */ |
49 | ||
50 | static struct s3c24xx_led_platdata smdk_pdata_led4 = { | |
070276d5 | 51 | .gpio = S3C2410_GPF(4), |
810c894f BD |
52 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, |
53 | .name = "led4", | |
54 | .def_trigger = "timer", | |
55 | }; | |
56 | ||
57 | static struct s3c24xx_led_platdata smdk_pdata_led5 = { | |
070276d5 | 58 | .gpio = S3C2410_GPF(5), |
810c894f BD |
59 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, |
60 | .name = "led5", | |
61 | .def_trigger = "nand-disk", | |
62 | }; | |
63 | ||
64 | static struct s3c24xx_led_platdata smdk_pdata_led6 = { | |
070276d5 | 65 | .gpio = S3C2410_GPF(6), |
810c894f BD |
66 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, |
67 | .name = "led6", | |
68 | }; | |
69 | ||
70 | static struct s3c24xx_led_platdata smdk_pdata_led7 = { | |
070276d5 | 71 | .gpio = S3C2410_GPF(7), |
810c894f BD |
72 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, |
73 | .name = "led7", | |
74 | }; | |
75 | ||
76 | static struct platform_device smdk_led4 = { | |
77 | .name = "s3c24xx_led", | |
78 | .id = 0, | |
79 | .dev = { | |
80 | .platform_data = &smdk_pdata_led4, | |
81 | }, | |
82 | }; | |
83 | ||
84 | static struct platform_device smdk_led5 = { | |
85 | .name = "s3c24xx_led", | |
86 | .id = 1, | |
87 | .dev = { | |
88 | .platform_data = &smdk_pdata_led5, | |
89 | }, | |
90 | }; | |
91 | ||
92 | static struct platform_device smdk_led6 = { | |
93 | .name = "s3c24xx_led", | |
94 | .id = 2, | |
95 | .dev = { | |
96 | .platform_data = &smdk_pdata_led6, | |
97 | }, | |
98 | }; | |
99 | ||
100 | static struct platform_device smdk_led7 = { | |
101 | .name = "s3c24xx_led", | |
102 | .id = 3, | |
103 | .dev = { | |
104 | .platform_data = &smdk_pdata_led7, | |
105 | }, | |
106 | }; | |
107 | ||
dee9b2e9 BD |
108 | /* NAND parititon from 2.4.18-swl5 */ |
109 | ||
110 | static struct mtd_partition smdk_default_nand_part[] = { | |
111 | [0] = { | |
112 | .name = "Boot Agent", | |
113 | .size = SZ_16K, | |
114 | .offset = 0, | |
115 | }, | |
116 | [1] = { | |
f6835543 | 117 | .name = "S3C2410 flash partition 1", |
dee9b2e9 BD |
118 | .offset = 0, |
119 | .size = SZ_2M, | |
120 | }, | |
121 | [2] = { | |
122 | .name = "S3C2410 flash partition 2", | |
123 | .offset = SZ_4M, | |
124 | .size = SZ_4M, | |
125 | }, | |
126 | [3] = { | |
127 | .name = "S3C2410 flash partition 3", | |
128 | .offset = SZ_8M, | |
129 | .size = SZ_2M, | |
130 | }, | |
131 | [4] = { | |
132 | .name = "S3C2410 flash partition 4", | |
133 | .offset = SZ_1M * 10, | |
134 | .size = SZ_4M, | |
135 | }, | |
136 | [5] = { | |
137 | .name = "S3C2410 flash partition 5", | |
138 | .offset = SZ_1M * 14, | |
139 | .size = SZ_1M * 10, | |
140 | }, | |
141 | [6] = { | |
142 | .name = "S3C2410 flash partition 6", | |
143 | .offset = SZ_1M * 24, | |
144 | .size = SZ_1M * 24, | |
145 | }, | |
146 | [7] = { | |
147 | .name = "S3C2410 flash partition 7", | |
148 | .offset = SZ_1M * 48, | |
149 | .size = SZ_16M, | |
150 | } | |
151 | }; | |
152 | ||
153 | static struct s3c2410_nand_set smdk_nand_sets[] = { | |
154 | [0] = { | |
155 | .name = "NAND", | |
156 | .nr_chips = 1, | |
157 | .nr_partitions = ARRAY_SIZE(smdk_default_nand_part), | |
158 | .partitions = smdk_default_nand_part, | |
159 | }, | |
160 | }; | |
161 | ||
162 | /* choose a set of timings which should suit most 512Mbit | |
163 | * chips and beyond. | |
164 | */ | |
165 | ||
166 | static struct s3c2410_platform_nand smdk_nand_info = { | |
167 | .tacls = 20, | |
168 | .twrph0 = 60, | |
169 | .twrph1 = 20, | |
170 | .nr_sets = ARRAY_SIZE(smdk_nand_sets), | |
171 | .sets = smdk_nand_sets, | |
172 | }; | |
173 | ||
174 | /* devices we initialise */ | |
175 | ||
176 | static struct platform_device __initdata *smdk_devs[] = { | |
177 | &s3c_device_nand, | |
810c894f BD |
178 | &smdk_led4, |
179 | &smdk_led5, | |
180 | &smdk_led6, | |
181 | &smdk_led7, | |
dee9b2e9 BD |
182 | }; |
183 | ||
d3f4c571 BD |
184 | void __init smdk_machine_init(void) |
185 | { | |
186 | /* Configure the LEDs (even if we have no LED support)*/ | |
187 | ||
070276d5 BD |
188 | s3c2410_gpio_cfgpin(S3C2410_GPF(4), S3C2410_GPIO_OUTPUT); |
189 | s3c2410_gpio_cfgpin(S3C2410_GPF(5), S3C2410_GPIO_OUTPUT); | |
190 | s3c2410_gpio_cfgpin(S3C2410_GPF(6), S3C2410_GPIO_OUTPUT); | |
191 | s3c2410_gpio_cfgpin(S3C2410_GPF(7), S3C2410_GPIO_OUTPUT); | |
d3f4c571 | 192 | |
070276d5 BD |
193 | s3c2410_gpio_setpin(S3C2410_GPF(4), 1); |
194 | s3c2410_gpio_setpin(S3C2410_GPF(5), 1); | |
195 | s3c2410_gpio_setpin(S3C2410_GPF(6), 1); | |
196 | s3c2410_gpio_setpin(S3C2410_GPF(7), 1); | |
d3f4c571 | 197 | |
42482e3c BD |
198 | if (machine_is_smdk2443()) |
199 | smdk_nand_info.twrph0 = 50; | |
200 | ||
2a3a1804 | 201 | s3c_nand_set_platdata(&smdk_nand_info); |
dee9b2e9 BD |
202 | |
203 | platform_add_devices(smdk_devs, ARRAY_SIZE(smdk_devs)); | |
204 | ||
4e59c25d | 205 | s3c_pm_init(); |
d3f4c571 | 206 | } |