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/string.h>
22 #include <linux/serial_core.h>
23 #include <linux/platform_device.h>
24
25 #include <linux/mtd/map.h>
26
27 #include <asm/mach/arch.h>
28 #include <asm/mach/map.h>
29 #include <asm/mach/irq.h>
30
31 #include <asm/setup.h>
32 #include <asm/hardware.h>
33 #include <asm/io.h>
34 #include <asm/irq.h>
35 #include <asm/mach-types.h>
36
37 //#include <asm/debug-ll.h>
38 #include <asm/arch/regs-gpio.h>
39 #include <asm/plat-s3c/regs-serial.h>
40
41 #include <asm/plat-s3c24xx/s3c2410.h>
42 #include <asm/plat-s3c24xx/s3c2440.h>
43 #include <asm/plat-s3c24xx/clock.h>
44 #include <asm/plat-s3c24xx/devs.h>
45 #include <asm/plat-s3c24xx/cpu.h>
46
47 static struct map_desc nexcoder_iodesc[] __initdata = {
48 /* nothing here yet */
49 };
50
51 #define UCON S3C2410_UCON_DEFAULT
52 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
53 #define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
54
55 static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = {
56 [0] = {
57 .hwport = 0,
58 .flags = 0,
59 .ucon = UCON,
60 .ulcon = ULCON,
61 .ufcon = UFCON,
62 },
63 [1] = {
64 .hwport = 1,
65 .flags = 0,
66 .ucon = UCON,
67 .ulcon = ULCON,
68 .ufcon = UFCON,
69 },
70 [2] = {
71 .hwport = 2,
72 .flags = 0,
73 .ucon = UCON,
74 .ulcon = ULCON,
75 .ufcon = UFCON,
76 }
77 };
78
79 /* NOR Flash on NexVision NexCoder 2440 board */
80
81 static struct resource nexcoder_nor_resource[] = {
82 [0] = {
83 .start = S3C2410_CS0,
84 .end = S3C2410_CS0 + (8*1024*1024) - 1,
85 .flags = IORESOURCE_MEM,
86 }
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_usb,
108 &s3c_device_lcd,
109 &s3c_device_wdt,
110 &s3c_device_i2c,
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
119 static void __init nexcoder_sensorboard_init(void)
120 {
121 // Initialize SCCB bus
122 s3c2410_gpio_setpin(S3C2410_GPE14, 1); // IICSCL
123 s3c2410_gpio_cfgpin(S3C2410_GPE14, S3C2410_GPE14_OUTP);
124 s3c2410_gpio_setpin(S3C2410_GPE15, 1); // IICSDA
125 s3c2410_gpio_cfgpin(S3C2410_GPE15, S3C2410_GPE15_OUTP);
126
127 // Power up the sensor board
128 s3c2410_gpio_setpin(S3C2410_GPF1, 1);
129 s3c2410_gpio_cfgpin(S3C2410_GPF1, S3C2410_GPF1_OUTP); // CAM_GPIO7 => nLDO_PWRDN
130 s3c2410_gpio_setpin(S3C2410_GPF2, 0);
131 s3c2410_gpio_cfgpin(S3C2410_GPF2, S3C2410_GPF2_OUTP); // CAM_GPIO6 => CAM_PWRDN
132 }
133
134 static void __init nexcoder_map_io(void)
135 {
136 s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
137 s3c24xx_init_clocks(0);
138 s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
139
140 nexcoder_sensorboard_init();
141 }
142
143 static void __init nexcoder_init(void)
144 {
145 platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
146 };
147
148 MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
149 /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
150 .phys_io = S3C2410_PA_UART,
151 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
152 .boot_params = S3C2410_SDRAM_PA + 0x100,
153 .map_io = nexcoder_map_io,
154 .init_machine = nexcoder_init,
155 .init_irq = s3c24xx_init_irq,
156 .timer = &s3c24xx_timer,
157 MACHINE_END
158
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