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/s3c2410.h>
  44#include <plat/s3c2440.h>
  45#include <plat/clock.h>
  46#include <plat/devs.h>
  47#include <plat/cpu.h>
  48
  49static struct map_desc nexcoder_iodesc[] __initdata = {
  50        /* nothing here yet */
  51};
  52
  53#define UCON S3C2410_UCON_DEFAULT
  54#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  55#define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
  56
  57static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = {
  58        [0] = {
  59                .hwport      = 0,
  60                .flags       = 0,
  61                .ucon        = UCON,
  62                .ulcon       = ULCON,
  63                .ufcon       = UFCON,
  64        },
  65        [1] = {
  66                .hwport      = 1,
  67                .flags       = 0,
  68                .ucon        = UCON,
  69                .ulcon       = ULCON,
  70                .ufcon       = UFCON,
  71        },
  72        [2] = {
  73                .hwport      = 2,
  74                .flags       = 0,
  75                .ucon        = UCON,
  76                .ulcon       = ULCON,
  77                .ufcon       = UFCON,
  78        }
  79};
  80
  81/* NOR Flash on NexVision NexCoder 2440 board */
  82
  83static struct resource nexcoder_nor_resource[] = {
  84        [0] = {
  85                .start = S3C2410_CS0,
  86                .end   = S3C2410_CS0 + (8*1024*1024) - 1,
  87                .flags = IORESOURCE_MEM,
  88        }
  89};
  90
  91static struct map_info nexcoder_nor_map = {
  92        .bankwidth = 2,
  93};
  94
  95static struct platform_device nexcoder_device_nor = {
  96        .name           = "mtd-flash",
  97        .id             = -1,
  98        .num_resources  = ARRAY_SIZE(nexcoder_nor_resource),
  99        .resource       = nexcoder_nor_resource,
 100        .dev =
 101        {
 102                .platform_data = &nexcoder_nor_map,
 103        }
 104};
 105
 106/* Standard Nexcoder devices */
 107
 108static struct platform_device *nexcoder_devices[] __initdata = {
 109        &s3c_device_usb,
 110        &s3c_device_lcd,
 111        &s3c_device_wdt,
 112        &s3c_device_i2c0,
 113        &s3c_device_iis,
 114        &s3c_device_rtc,
 115        &s3c_device_camif,
 116        &s3c_device_spi0,
 117        &s3c_device_spi1,
 118        &nexcoder_device_nor,
 119};
 120
 121static void __init nexcoder_sensorboard_init(void)
 122{
 123        // Initialize SCCB bus
 124        s3c2410_gpio_setpin(S3C2410_GPE(14), 1); // IICSCL
 125        s3c2410_gpio_cfgpin(S3C2410_GPE(14), S3C2410_GPIO_OUTPUT);
 126        s3c2410_gpio_setpin(S3C2410_GPE(15), 1); // IICSDA
 127        s3c2410_gpio_cfgpin(S3C2410_GPE(15), S3C2410_GPIO_OUTPUT);
 128
 129        // Power up the sensor board
 130        s3c2410_gpio_setpin(S3C2410_GPF(1), 1);
 131        s3c2410_gpio_cfgpin(S3C2410_GPF(1), S3C2410_GPIO_OUTPUT); // CAM_GPIO7 => nLDO_PWRDN
 132        s3c2410_gpio_setpin(S3C2410_GPF(2), 0);
 133        s3c2410_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT); // CAM_GPIO6 => CAM_PWRDN
 134}
 135
 136static void __init nexcoder_map_io(void)
 137{
 138        s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
 139        s3c24xx_init_clocks(0);
 140        s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
 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        .phys_io        = S3C2410_PA_UART,
 154        .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 155        .boot_params    = S3C2410_SDRAM_PA + 0x100,
 156        .map_io         = nexcoder_map_io,
 157        .init_machine   = nexcoder_init,
 158        .init_irq       = s3c24xx_init_irq,
 159        .timer          = &s3c24xx_timer,
 160MACHINE_END
 161