Linux Kernel iMX6
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3.9 KiB

/* linux/arch/arm/mach-s3c2440/mach-nexcoder.c
*
* Copyright (c) 2004 Nex Vision
* Guillaume GOURAT <guillaume.gourat@nexvision.tv>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Modifications:
* 15-10-2004 GG Created initial version
* 12-03-2005 BJD Updated for release
*/
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/string.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/mtd/map.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/setup.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
//#include <asm/debug-ll.h>
#include <mach/regs-gpio.h>
#include <mach/gpio-samsung.h>
#include <plat/regs-serial.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include <plat/gpio-cfg.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/samsung-time.h>
#include "common.h"
static struct map_desc nexcoder_iodesc[] __initdata = {
/* nothing here yet */
};
#define UCON S3C2410_UCON_DEFAULT
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
#define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[2] = {
.hwport = 2,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
}
};
/* NOR Flash on NexVision NexCoder 2440 board */
static struct resource nexcoder_nor_resource[] = {
[0] = DEFINE_RES_MEM(S3C2410_CS0, SZ_8M),
};
static struct map_info nexcoder_nor_map = {
.bankwidth = 2,
};
static struct platform_device nexcoder_device_nor = {
.name = "mtd-flash",
.id = -1,
.num_resources = ARRAY_SIZE(nexcoder_nor_resource),
.resource = nexcoder_nor_resource,
.dev =
{
.platform_data = &nexcoder_nor_map,
}
};
/* Standard Nexcoder devices */
static struct platform_device *nexcoder_devices[] __initdata = {
&s3c_device_ohci,
&s3c_device_lcd,
&s3c_device_wdt,
&s3c_device_i2c0,
&s3c_device_iis,
&s3c_device_rtc,
&s3c_device_camif,
&s3c_device_spi0,
&s3c_device_spi1,
&nexcoder_device_nor,
};
static void __init nexcoder_sensorboard_init(void)
{
/* Initialize SCCB bus */
gpio_request_one(S3C2410_GPE(14), GPIOF_OUT_INIT_HIGH, NULL);
gpio_free(S3C2410_GPE(14)); /* IICSCL */
gpio_request_one(S3C2410_GPE(15), GPIOF_OUT_INIT_HIGH, NULL);
gpio_free(S3C2410_GPE(15)); /* IICSDA */
/* Power up the sensor board */
gpio_request_one(S3C2410_GPF(1), GPIOF_OUT_INIT_HIGH, NULL);
gpio_free(S3C2410_GPF(1)); /* CAM_GPIO7 => nLDO_PWRDN */
gpio_request_one(S3C2410_GPF(2), GPIOF_OUT_INIT_LOW, NULL);
gpio_free(S3C2410_GPF(2)); /* CAM_GPIO6 => CAM_PWRDN */
}
static void __init nexcoder_map_io(void)
{
s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
s3c24xx_init_clocks(0);
s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
nexcoder_sensorboard_init();
}
static void __init nexcoder_init(void)
{
s3c_i2c0_set_platdata(NULL);
platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
};
MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
/* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
.atag_offset = 0x100,
.map_io = nexcoder_map_io,
.init_machine = nexcoder_init,
.init_irq = s3c2440_init_irq,
.init_time = samsung_timer_init,
.restart = s3c244x_restart,
MACHINE_END