LXR linux/arch/arm/mach-s3c24xx/mach-nexcoder.c

   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/devs.h>
  46#include <plat/cpu.h>
  47#include <plat/samsung-time.h>
  48
  49#include "common.h"
  50
  51static struct map_desc nexcoder_iodesc[] __initdata = {
  52        /* nothing here yet */
  53};
  54
  55#define UCON S3C2410_UCON_DEFAULT
  56#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  57#define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
  58
  59static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = {
  60        [0] = {
  61                .hwport      = 0,
  62                .flags       = 0,
  63                .ucon        = UCON,
  64                .ulcon       = ULCON,
  65                .ufcon       = UFCON,
  66        },
  67        [1] = {
  68                .hwport      = 1,
  69                .flags       = 0,
  70                .ucon        = UCON,
  71                .ulcon       = ULCON,
  72                .ufcon       = UFCON,
  73        },
  74        [2] = {
  75                .hwport      = 2,
  76                .flags       = 0,
  77                .ucon        = UCON,
  78                .ulcon       = ULCON,
  79                .ufcon       = UFCON,
  80        }
  81};
  82
  83/* NOR Flash on NexVision NexCoder 2440 board */
  84
  85static struct resource nexcoder_nor_resource[] = {
  86        [0] = DEFINE_RES_MEM(S3C2410_CS0, SZ_8M),
  87};
  88
  89static struct map_info nexcoder_nor_map = {
  90        .bankwidth = 2,
  91};
  92
  93static 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
 106static struct platform_device *nexcoder_devices[] __initdata = {
 107        &s3c_device_ohci,
 108        &s3c_device_lcd,
 109        &s3c_device_wdt,
 110        &s3c_device_i2c0,
 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
 119static void __init nexcoder_sensorboard_init(void)
 120{
 121        /* Initialize SCCB bus */
 122        gpio_request_one(S3C2410_GPE(14), GPIOF_OUT_INIT_HIGH, NULL);
 123        gpio_free(S3C2410_GPE(14)); /* IICSCL */
 124        gpio_request_one(S3C2410_GPE(15), GPIOF_OUT_INIT_HIGH, NULL);
 125        gpio_free(S3C2410_GPE(15)); /* IICSDA */
 126
 127        /* Power up the sensor board */
 128        gpio_request_one(S3C2410_GPF(1), GPIOF_OUT_INIT_HIGH, NULL);
 129        gpio_free(S3C2410_GPF(1)); /* CAM_GPIO7 => nLDO_PWRDN */
 130        gpio_request_one(S3C2410_GPF(2), GPIOF_OUT_INIT_LOW, NULL);
 131        gpio_free(S3C2410_GPF(2)); /* CAM_GPIO6 => CAM_PWRDN */
 132}
 133
 134static void __init nexcoder_map_io(void)
 135{
 136        s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
 137        s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
 138        samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 139
 140        nexcoder_sensorboard_init();
 141}
 142
 143static void __init nexcoder_init_time(void)
 144{
 145        s3c2440_init_clocks(12000000);
 146        samsung_timer_init();
 147}
 148
 149static void __init nexcoder_init(void)
 150{
 151        s3c_i2c0_set_platdata(NULL);
 152        platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
 153};
 154
 155MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
 156        /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
 157        .atag_offset    = 0x100,
 158        .map_io         = nexcoder_map_io,
 159        .init_machine   = nexcoder_init,
 160        .init_irq       = s3c2440_init_irq,
 161        .init_time      = nexcoder_init_time,
 162MACHINE_END
 163