mach-nexcoder.c

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/* linux/arch/arm/mach-s3c2440/mach-nexcoder.c
 *
 * Copyright (c) 2004 Nex Vision
 *   Guillaume GOURAT <[email protected]>
 *
 * 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 <plat/regs-serial.h>
#include <linux/platform_data/i2c-s3c2410.h>

#include <plat/gpio-cfg.h>
#include <plat/s3c2410.h>
#include <plat/s3c244x.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.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));

    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 <[email protected]> */
    .atag_offset    = 0x100,
    .map_io     = nexcoder_map_io,
    .init_machine   = nexcoder_init,
    .init_irq   = s3c24xx_init_irq,
    .timer      = &s3c24xx_timer,
    .restart    = s3c244x_restart,
MACHINE_END