Linux-2.6.12-rc2
[linux-2.6.git] / arch / arm / mach-s3c2410 / mach-nexcoder.c
1 /* linux/arch/arm/mach-s3c2410/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/string.h>
22 #include <linux/device.h>
23
24 #include <linux/mtd/map.h>
25
26 #include <asm/mach/arch.h>
27 #include <asm/mach/map.h>
28 #include <asm/mach/irq.h>
29
30 #include <asm/setup.h>
31 #include <asm/hardware.h>
32 #include <asm/io.h>
33 #include <asm/irq.h>
34 #include <asm/mach-types.h>
35
36 //#include <asm/debug-ll.h>
37 #include <asm/arch/regs-gpio.h>
38 #include <asm/arch/regs-serial.h>
39
40 #include "s3c2410.h"
41 #include "s3c2440.h"
42 #include "clock.h"
43 #include "devs.h"
44 #include "cpu.h"
45
46 static struct map_desc nexcoder_iodesc[] __initdata = {
47         /* nothing here yet */
48 };
49
50 #define UCON S3C2410_UCON_DEFAULT
51 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
52 #define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
53
54 static struct s3c2410_uartcfg nexcoder_uartcfgs[] = {
55         [0] = {
56                 .hwport      = 0,
57                 .flags       = 0,
58                 .ucon        = UCON,
59                 .ulcon       = ULCON,
60                 .ufcon       = UFCON,
61         },
62         [1] = {
63                 .hwport      = 1,
64                 .flags       = 0,
65                 .ucon        = UCON,
66                 .ulcon       = ULCON,
67                 .ufcon       = UFCON,
68         },
69         [2] = {
70                 .hwport      = 2,
71                 .flags       = 0,
72                 .ucon        = UCON,
73                 .ulcon       = ULCON,
74                 .ufcon       = UFCON,
75         }
76 };
77
78 /* NOR Flash on NexVision NexCoder 2440 board */
79
80 static struct resource nexcoder_nor_resource[] = {
81         [0] = {
82                 .start = S3C2410_CS0,
83                 .end   = S3C2410_CS0 + (8*1024*1024) - 1,
84                 .flags = IORESOURCE_MEM,
85         }
86 };
87
88 static struct map_info nexcoder_nor_map = {
89         .bankwidth = 2,
90 };
91
92 static struct platform_device nexcoder_device_nor = {
93         .name           = "mtd-flash",
94         .id             = -1,
95         .num_resources  = ARRAY_SIZE(nexcoder_nor_resource),
96         .resource       = nexcoder_nor_resource,
97         .dev =
98         {
99                 .platform_data = &nexcoder_nor_map,
100         }
101 };
102
103 /* Standard Nexcoder devices */
104
105 static struct platform_device *nexcoder_devices[] __initdata = {
106         &s3c_device_usb,
107         &s3c_device_lcd,
108         &s3c_device_wdt,
109         &s3c_device_i2c,
110         &s3c_device_iis,
111         &s3c_device_rtc,
112         &s3c_device_camif,
113         &s3c_device_spi0,
114         &s3c_device_spi1,
115         &nexcoder_device_nor,
116 };
117
118 static struct s3c24xx_board nexcoder_board __initdata = {
119         .devices       = nexcoder_devices,
120         .devices_count = ARRAY_SIZE(nexcoder_devices),
121 };
122
123
124 static void __init nexcoder_sensorboard_init(void)
125 {
126         // Initialize SCCB bus
127         s3c2410_gpio_setpin(S3C2410_GPE14, 1); // IICSCL
128         s3c2410_gpio_cfgpin(S3C2410_GPE14, S3C2410_GPE14_OUTP);
129         s3c2410_gpio_setpin(S3C2410_GPE15, 1); // IICSDA
130         s3c2410_gpio_cfgpin(S3C2410_GPE15, S3C2410_GPE15_OUTP);
131
132         // Power up the sensor board
133         s3c2410_gpio_setpin(S3C2410_GPF1, 1);
134         s3c2410_gpio_cfgpin(S3C2410_GPF1, S3C2410_GPF1_OUTP); // CAM_GPIO7 => nLDO_PWRDN
135         s3c2410_gpio_setpin(S3C2410_GPF2, 0);
136         s3c2410_gpio_cfgpin(S3C2410_GPF2, S3C2410_GPF2_OUTP); // CAM_GPIO6 => CAM_PWRDN
137 }
138
139 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         s3c24xx_set_board(&nexcoder_board);
145         nexcoder_sensorboard_init();
146 }
147
148
149 MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
150      MAINTAINER("Guillaume GOURAT <guillaume.gourat@nexvision.tv>")
151      BOOT_MEM(S3C2410_SDRAM_PA, S3C2410_PA_UART, (u32)S3C24XX_VA_UART)
152      BOOT_PARAMS(S3C2410_SDRAM_PA + 0x100)
153         .map_io         = nexcoder_map_io,
154         .init_irq       = s3c24xx_init_irq,
155         .timer          = &s3c24xx_timer,
156 MACHINE_END