1 /* linux/arch/arm/mach-s3c2440/mach-nexcoder.c
2 *
3 * Copyright (c) 2004 Nex Vision
4 * Guillaume GOURAT <guillaume.gourat@nexvision.tv>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * Modifications:
11 * 15-10-2004 GG Created initial version
12 * 12-03-2005 BJD Updated for release
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>
21 #include <linux/gpio.h>
22 #include <linux/string.h>
23 #include <linux/serial_core.h>
24 #include <linux/serial_s3c.h>
25 #include <linux/platform_device.h>
26 #include <linux/io.h>
27
28 #include <linux/mtd/map.h>
29
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
32 #include <asm/mach/irq.h>
33
34 #include <asm/setup.h>
35 #include <mach/hardware.h>
36 #include <asm/irq.h>
37 #include <asm/mach-types.h>
38
39 //#include <asm/debug-ll.h>
40 #include <mach/regs-gpio.h>
41 #include <mach/gpio-samsung.h>
42 #include <linux/platform_data/i2c-s3c2410.h>
43
44 #include <plat/gpio-cfg.h>
45 #include <plat/devs.h>
46 #include <plat/cpu.h>
47 #include <plat/samsung-time.h>
48
49 #include "common.h"
50
51 static struct map_desc nexcoder_iodesc[] __initdata = {
52 /* nothing here yet */
53 };
54
55 #define UCON S3C2410_UCON_DEFAULT
56 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
57 #define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
58
59 static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = {
60 [0] = {
61 .hwport = 0,
62 .flags = 0,
63 .ucon = UCON,
64 .ulcon = ULCON,
65 .ufcon = UFCON,
66 },
67 [1] = {
68 .hwport = 1,
69 .flags = 0,
70 .ucon = UCON,
71 .ulcon = ULCON,
72 .ufcon = UFCON,
73 },
74 [2] = {
75 .hwport = 2,
76 .flags = 0,
77 .ucon = UCON,
78 .ulcon = ULCON,
79 .ufcon = UFCON,
80 }
81 };
82
83 /* NOR Flash on NexVision NexCoder 2440 board */
84
85 static struct resource nexcoder_nor_resource[] = {
86 [0] = DEFINE_RES_MEM(S3C2410_CS0, SZ_8M),
87 };
88
89 static struct map_info nexcoder_nor_map = {
90 .bankwidth = 2,
91 };
92
93 static struct platform_device nexcoder_device_nor = {
94 .name = "mtd-flash",
95 .id = -1,
96 .num_resources = ARRAY_SIZE(nexcoder_nor_resource),
97 .resource = nexcoder_nor_resource,
98 .dev =
99 {
100 .platform_data = &nexcoder_nor_map,
101 }
102 };
103
104 /* Standard Nexcoder devices */
105
106 static struct platform_device *nexcoder_devices[] __initdata = {
107 &s3c_device_ohci,
108 &s3c_device_lcd,
109 &s3c_device_wdt,
110 &s3c_device_i2c0,
111 &s3c_device_iis,
112 &s3c_device_rtc,
113 &s3c_device_camif,
114 &s3c_device_spi0,
115 &s3c_device_spi1,
116 &nexcoder_device_nor,
117 };
118
nexcoder_sensorboard_init(void)119 static void __init nexcoder_sensorboard_init(void)
120 {
121 /* Initialize SCCB bus */
122 gpio_request_one(S3C2410_GPE(14), GPIOF_OUT_INIT_HIGH, NULL);
123 gpio_free(S3C2410_GPE(14)); /* IICSCL */
124 gpio_request_one(S3C2410_GPE(15), GPIOF_OUT_INIT_HIGH, NULL);
125 gpio_free(S3C2410_GPE(15)); /* IICSDA */
126
127 /* Power up the sensor board */
128 gpio_request_one(S3C2410_GPF(1), GPIOF_OUT_INIT_HIGH, NULL);
129 gpio_free(S3C2410_GPF(1)); /* CAM_GPIO7 => nLDO_PWRDN */
130 gpio_request_one(S3C2410_GPF(2), GPIOF_OUT_INIT_LOW, NULL);
131 gpio_free(S3C2410_GPF(2)); /* CAM_GPIO6 => CAM_PWRDN */
132 }
133
nexcoder_map_io(void)134 static void __init nexcoder_map_io(void)
135 {
136 s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
137 s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
138 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
139
140 nexcoder_sensorboard_init();
141 }
142
nexcoder_init_time(void)143 static void __init nexcoder_init_time(void)
144 {
145 s3c2440_init_clocks(12000000);
146 samsung_timer_init();
147 }
148
nexcoder_init(void)149 static void __init nexcoder_init(void)
150 {
151 s3c_i2c0_set_platdata(NULL);
152 platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
153 };
154
155 MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
156 /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
157 .atag_offset = 0x100,
158 .map_io = nexcoder_map_io,
159 .init_machine = nexcoder_init,
160 .init_irq = s3c2440_init_irq,
161 .init_time = nexcoder_init_time,
162 MACHINE_END
163