Logo Search packages:      
Sourcecode: linux version File versions  Download package

mach-smdk2413.c

/* linux/arch/arm/mach-s3c2412/mach-smdk2413.c
 *
 * Copyright (c) 2006 Simtec Electronics
 *    Ben Dooks <ben@simtec.co.uk>
 *
 * Thanks to Dimity Andric (TomTom) and Steven Ryu (Samsung) for the
 * loans of SMDK2413 to work with.
 *
 * 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.
*/

#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/serial_core.h>
#include <linux/platform_device.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include <asm/hardware.h>
#include <asm/hardware/iomd.h>
#include <asm/setup.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/mach-types.h>

//#include <asm/debug-ll.h>
#include <asm/plat-s3c/regs-serial.h>
#include <asm/arch/regs-gpio.h>
#include <asm/arch/regs-lcd.h>

#include <asm/arch/idle.h>
#include <asm/plat-s3c24xx/udc.h>
#include <asm/arch/fb.h>

#include <asm/plat-s3c24xx/s3c2410.h>
#include <asm/plat-s3c24xx/s3c2412.h>
#include <asm/plat-s3c24xx/clock.h>
#include <asm/plat-s3c24xx/devs.h>
#include <asm/plat-s3c24xx/cpu.h>

#include <asm/plat-s3c24xx/common-smdk.h>

static struct map_desc smdk2413_iodesc[] __initdata = {
};

static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = {
      [0] = {
            .hwport          = 0,
            .flags           = 0,
            .ucon      = 0x3c5,
            .ulcon           = 0x03,
            .ufcon           = 0x51,
      },
      [1] = {
            .hwport          = 1,
            .flags           = 0,
            .ucon      = 0x3c5,
            .ulcon           = 0x03,
            .ufcon           = 0x51,
      },
      /* IR port */
      [2] = {
            .hwport          = 2,
            .flags           = 0,
            .ucon      = 0x3c5,
            .ulcon           = 0x43,
            .ufcon           = 0x51,
      }
};

static void smdk2413_udc_pullup(enum s3c2410_udc_cmd_e cmd)
{
      printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);

      switch (cmd)
      {
            case S3C2410_UDC_P_ENABLE :
                  s3c2410_gpio_setpin(S3C2410_GPF2, 1);
                  break;
            case S3C2410_UDC_P_DISABLE :
                  s3c2410_gpio_setpin(S3C2410_GPF2, 0);
                  break;
            case S3C2410_UDC_P_RESET :
                  break;
            default:
                  break;
      }
}


static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
      .udc_command            = smdk2413_udc_pullup,
};


static struct platform_device *smdk2413_devices[] __initdata = {
      &s3c_device_usb,
      //&s3c_device_lcd,
      &s3c_device_wdt,
      &s3c_device_i2c,
      &s3c_device_iis,
      &s3c_device_usbgadget,
};

static void __init smdk2413_fixup(struct machine_desc *desc,
                          struct tag *tags, char **cmdline,
                          struct meminfo *mi)
{
      if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
            mi->nr_banks=1;
            mi->bank[0].start = 0x30000000;
            mi->bank[0].size = SZ_64M;
            mi->bank[0].node = 0;
      }
}

static void __init smdk2413_map_io(void)
{
      s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
      s3c24xx_init_clocks(12000000);
      s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
}

static void __init smdk2413_machine_init(void)
{     /* Turn off suspend on both USB ports, and switch the
       * selectable USB port to USB device mode. */

      s3c2410_gpio_setpin(S3C2410_GPF2, 0);
      s3c2410_gpio_cfgpin(S3C2410_GPF2, S3C2410_GPIO_OUTPUT);

      s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
                        S3C2410_MISCCR_USBSUSPND0 |
                        S3C2410_MISCCR_USBSUSPND1, 0x0);


      s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);

      platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
      smdk_machine_init();
}

MACHINE_START(S3C2413, "S3C2413")
      /* Maintainer: Ben Dooks <ben@fluff.org> */
      .phys_io    = S3C2410_PA_UART,
      .io_pg_offst      = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
      .boot_params      = S3C2410_SDRAM_PA + 0x100,

      .fixup            = smdk2413_fixup,
      .init_irq   = s3c24xx_init_irq,
      .map_io           = smdk2413_map_io,
      .init_machine     = smdk2413_machine_init,
      .timer            = &s3c24xx_timer,
MACHINE_END

MACHINE_START(SMDK2412, "SMDK2412")
      /* Maintainer: Ben Dooks <ben@fluff.org> */
      .phys_io    = S3C2410_PA_UART,
      .io_pg_offst      = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
      .boot_params      = S3C2410_SDRAM_PA + 0x100,

      .fixup            = smdk2413_fixup,
      .init_irq   = s3c24xx_init_irq,
      .map_io           = smdk2413_map_io,
      .init_machine     = smdk2413_machine_init,
      .timer            = &s3c24xx_timer,
MACHINE_END

MACHINE_START(SMDK2413, "SMDK2413")
      /* Maintainer: Ben Dooks <ben@fluff.org> */
      .phys_io    = S3C2410_PA_UART,
      .io_pg_offst      = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
      .boot_params      = S3C2410_SDRAM_PA + 0x100,

      .fixup            = smdk2413_fixup,
      .init_irq   = s3c24xx_init_irq,
      .map_io           = smdk2413_map_io,
      .init_machine     = smdk2413_machine_init,
      .timer            = &s3c24xx_timer,
MACHINE_END

Generated by  Doxygen 1.6.0   Back to index