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/platform_device.h>
25 #include <linux/io.h>
26
27 #include <linux/mtd/map.h>
28
29 #include <asm/mach/arch.h>
30 #include <asm/mach/map.h>
31 #include <asm/mach/irq.h>
32
33 #include <asm/setup.h>
34 #include <mach/hardware.h>
35 #include <asm/irq.h>
36 #include <asm/mach-types.h>
37
38 //#include <asm/debug-ll.h>
39 #include <mach/regs-gpio.h>
40 #include <plat/regs-serial.h>
41 #include <plat/iic.h>
42
43 #include <plat/gpio-cfg.h>
44 #include <plat/s3c2410.h>
45 #include <plat/s3c244x.h>
46 #include <plat/clock.h>
47 #include <plat/devs.h>
48 #include <plat/cpu.h>
49
50 #include "common.h"
51
52 static struct map_desc nexcoder_iodesc[] __initdata = {
53 /* nothing here yet */
54 };
55
56 #define UCON S3C2410_UCON_DEFAULT
57 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
58 #define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
59
60 static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = {
61 [0] = {
62 .hwport = 0,
63 .flags = 0,
64 .ucon = UCON,
65 .ulcon = ULCON,
66 .ufcon = UFCON,
67 },
68 [1] = {
69 .hwport = 1,
70 .flags = 0,
71 .ucon = UCON,
72 .ulcon = ULCON,
73 .ufcon = UFCON,
74 },
75 [2] = {
76 .hwport = 2,
77 .flags = 0,
78 .ucon = UCON,
79 .ulcon = ULCON,
80 .ufcon = UFCON,
81 }
82 };
83
84 /* NOR Flash on NexVision NexCoder 2440 board */
85
86 static struct resource nexcoder_nor_resource[] = {
87 [0] = {
88 .start = S3C2410_CS0,
89 .end = S3C2410_CS0 + (8*1024*1024) - 1,
90 .flags = IORESOURCE_MEM,
91 }
92 };
93
94 static struct map_info nexcoder_nor_map = {
95 .bankwidth = 2,
96 };
97
98 static struct platform_device nexcoder_device_nor = {
99 .name = "mtd-flash",
100 .id = -1,
101 .num_resources = ARRAY_SIZE(nexcoder_nor_resource),
102 .resource = nexcoder_nor_resource,
103 .dev =
104 {
105 .platform_data = &nexcoder_nor_map,
106 }
107 };
108
109 /* Standard Nexcoder devices */
110
111 static struct platform_device *nexcoder_devices[] __initdata = {
112 &s3c_device_ohci,
113 &s3c_device_lcd,
114 &s3c_device_wdt,
115 &s3c_device_i2c0,
116 &s3c_device_iis,
117 &s3c_device_rtc,
118 &s3c_device_camif,
119 &s3c_device_spi0,
120 &s3c_device_spi1,
121 &nexcoder_device_nor,
122 };
123
nexcoder_sensorboard_init(void)124 static void __init nexcoder_sensorboard_init(void)
125 {
126 // Initialize SCCB bus
127 s3c2410_gpio_setpin(S3C2410_GPE(14), 1); // IICSCL
128 s3c_gpio_cfgpin(S3C2410_GPE(14), S3C2410_GPIO_OUTPUT);
129 s3c2410_gpio_setpin(S3C2410_GPE(15), 1); // IICSDA
130 s3c_gpio_cfgpin(S3C2410_GPE(15), S3C2410_GPIO_OUTPUT);
131
132 // Power up the sensor board
133 s3c2410_gpio_setpin(S3C2410_GPF(1), 1);
134 s3c_gpio_cfgpin(S3C2410_GPF(1), S3C2410_GPIO_OUTPUT); // CAM_GPIO7 => nLDO_PWRDN
135 s3c2410_gpio_setpin(S3C2410_GPF(2), 0);
136 s3c_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT); // CAM_GPIO6 => CAM_PWRDN
137 }
138
nexcoder_map_io(void)139 static void __init nexcoder_map_io(void)
140 {
141 s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
142 s3c24xx_init_clocks(0);
143 s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
144
145 nexcoder_sensorboard_init();
146 }
147
nexcoder_init(void)148 static void __init nexcoder_init(void)
149 {
150 s3c_i2c0_set_platdata(NULL);
151 platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
152 };
153
154 MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
155 /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
156 .atag_offset = 0x100,
157 .map_io = nexcoder_map_io,
158 .init_machine = nexcoder_init,
159 .init_irq = s3c24xx_init_irq,
160 .timer = &s3c24xx_timer,
161 .restart = s3c244x_restart,
162 MACHINE_END
163