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  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/clock.h>
 46#include <plat/devs.h>
 47#include <plat/cpu.h>
 48#include <plat/samsung-time.h>
 49
 50#include "common.h"
 51
 52static 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
 60static 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
 86static struct resource nexcoder_nor_resource[] = {
 87	[0] = DEFINE_RES_MEM(S3C2410_CS0, SZ_8M),
 88};
 89
 90static struct map_info nexcoder_nor_map = {
 91	.bankwidth = 2,
 92};
 93
 94static struct platform_device nexcoder_device_nor = {
 95	.name		= "mtd-flash",
 96	.id		= -1,
 97	.num_resources	= ARRAY_SIZE(nexcoder_nor_resource),
 98	.resource	= nexcoder_nor_resource,
 99	.dev =
100	{
101		.platform_data = &nexcoder_nor_map,
102	}
103};
104
105/* Standard Nexcoder devices */
106
107static struct platform_device *nexcoder_devices[] __initdata = {
108	&s3c_device_ohci,
109	&s3c_device_lcd,
110	&s3c_device_wdt,
111	&s3c_device_i2c0,
112	&s3c_device_iis,
113 	&s3c_device_rtc,
114	&s3c_device_camif,
115	&s3c_device_spi0,
116	&s3c_device_spi1,
117	&nexcoder_device_nor,
118};
119
120static void __init nexcoder_sensorboard_init(void)
121{
122	/* Initialize SCCB bus */
123	gpio_request_one(S3C2410_GPE(14), GPIOF_OUT_INIT_HIGH, NULL);
124	gpio_free(S3C2410_GPE(14)); /* IICSCL */
125	gpio_request_one(S3C2410_GPE(15), GPIOF_OUT_INIT_HIGH, NULL);
126	gpio_free(S3C2410_GPE(15)); /* IICSDA */
127
128	/* Power up the sensor board */
129	gpio_request_one(S3C2410_GPF(1), GPIOF_OUT_INIT_HIGH, NULL);
130	gpio_free(S3C2410_GPF(1)); /* CAM_GPIO7 => nLDO_PWRDN */
131	gpio_request_one(S3C2410_GPF(2), GPIOF_OUT_INIT_LOW, NULL);
132	gpio_free(S3C2410_GPF(2)); /* CAM_GPIO6 => CAM_PWRDN */
133}
134
135static void __init nexcoder_map_io(void)
136{
137	s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
138	s3c24xx_init_clocks(0);
139	s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
140	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
141
142	nexcoder_sensorboard_init();
143}
144
145static void __init nexcoder_init(void)
146{
147	s3c_i2c0_set_platdata(NULL);
148	platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
149};
150
151MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
152	/* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
153	.atag_offset	= 0x100,
154	.map_io		= nexcoder_map_io,
155	.init_machine	= nexcoder_init,
156	.init_irq	= s3c2440_init_irq,
157	.init_time	= samsung_timer_init,
158	.restart	= s3c244x_restart,
159MACHINE_END