LXR linux/arch/arm/mach-s3c2440/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/platform_device.h>
  25#include <linux/io.h>
  26
  27#include <linux/mtd/map.h>
  28
  29#include <asm/mach/arch.h>
  30#include <asm/mach/map.h>
  31#include <asm/mach/irq.h>
  32
  33#include <asm/setup.h>
  34#include <mach/hardware.h>
  35#include <asm/irq.h>
  36#include <asm/mach-types.h>
  37
  38//#include <asm/debug-ll.h>
  39#include <mach/regs-gpio.h>
  40#include <plat/regs-serial.h>
  41#include <plat/iic.h>
  42
  43#include <plat/gpio-cfg.h>
  44#include <plat/s3c2410.h>
  45#include <plat/s3c244x.h>
  46#include <plat/clock.h>
  47#include <plat/devs.h>
  48#include <plat/cpu.h>
  49
  50static struct map_desc nexcoder_iodesc[] __initdata = {
  51        /* nothing here yet */
  52};
  53
  54#define UCON S3C2410_UCON_DEFAULT
  55#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  56#define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
  57
  58static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = {
  59        [0] = {
  60                .hwport      = 0,
  61                .flags       = 0,
  62                .ucon        = UCON,
  63                .ulcon       = ULCON,
  64                .ufcon       = UFCON,
  65        },
  66        [1] = {
  67                .hwport      = 1,
  68                .flags       = 0,
  69                .ucon        = UCON,
  70                .ulcon       = ULCON,
  71                .ufcon       = UFCON,
  72        },
  73        [2] = {
  74                .hwport      = 2,
  75                .flags       = 0,
  76                .ucon        = UCON,
  77                .ulcon       = ULCON,
  78                .ufcon       = UFCON,
  79        }
  80};
  81
  82/* NOR Flash on NexVision NexCoder 2440 board */
  83
  84static struct resource nexcoder_nor_resource[] = {
  85        [0] = {
  86                .start = S3C2410_CS0,
  87                .end   = S3C2410_CS0 + (8*1024*1024) - 1,
  88                .flags = IORESOURCE_MEM,
  89        }
  90};
  91
  92static struct map_info nexcoder_nor_map = {
  93        .bankwidth = 2,
  94};
  95
  96static struct platform_device nexcoder_device_nor = {
  97        .name           = "mtd-flash",
  98        .id             = -1,
  99        .num_resources  = ARRAY_SIZE(nexcoder_nor_resource),
 100        .resource       = nexcoder_nor_resource,
 101        .dev =
 102        {
 103                .platform_data = &nexcoder_nor_map,
 104        }
 105};
 106
 107/* Standard Nexcoder devices */
 108
 109static struct platform_device *nexcoder_devices[] __initdata = {
 110        &s3c_device_ohci,
 111        &s3c_device_lcd,
 112        &s3c_device_wdt,
 113        &s3c_device_i2c0,
 114        &s3c_device_iis,
 115        &s3c_device_rtc,
 116        &s3c_device_camif,
 117        &s3c_device_spi0,
 118        &s3c_device_spi1,
 119        &nexcoder_device_nor,
 120};
 121
 122static void __init nexcoder_sensorboard_init(void)
 123{
 124        // Initialize SCCB bus
 125        s3c2410_gpio_setpin(S3C2410_GPE(14), 1); // IICSCL
 126        s3c_gpio_cfgpin(S3C2410_GPE(14), S3C2410_GPIO_OUTPUT);
 127        s3c2410_gpio_setpin(S3C2410_GPE(15), 1); // IICSDA
 128        s3c_gpio_cfgpin(S3C2410_GPE(15), S3C2410_GPIO_OUTPUT);
 129
 130        // Power up the sensor board
 131        s3c2410_gpio_setpin(S3C2410_GPF(1), 1);
 132        s3c_gpio_cfgpin(S3C2410_GPF(1), S3C2410_GPIO_OUTPUT); // CAM_GPIO7 => nLDO_PWRDN
 133        s3c2410_gpio_setpin(S3C2410_GPF(2), 0);
 134        s3c_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT); // CAM_GPIO6 => CAM_PWRDN
 135}
 136
 137static void __init nexcoder_map_io(void)
 138{
 139        s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
 140        s3c24xx_init_clocks(0);
 141        s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
 142
 143        nexcoder_sensorboard_init();
 144}
 145
 146static void __init nexcoder_init(void)
 147{
 148        s3c_i2c0_set_platdata(NULL);
 149        platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
 150};
 151
 152MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
 153        /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
 154        .boot_params    = S3C2410_SDRAM_PA + 0x100,
 155        .map_io         = nexcoder_map_io,
 156        .init_machine   = nexcoder_init,
 157        .init_irq       = s3c24xx_init_irq,
 158        .timer          = &s3c24xx_timer,
 159MACHINE_END
 160