/**
 * @file
 *
 * @ingroup mpc55xx
 *
 * @brief Global BSP variables and functions
 */

/*
 * Copyright (c) 2008-2012 embedded brains GmbH.  All rights reserved.
 *
 *  embedded brains GmbH
 *  Obere Lagerstr. 30
 *  82178 Puchheim
 *  Germany
 *  <rtems@embedded-brains.de>
 *
 * The license and distribution terms for this file may be
 * found in the file LICENSE in this distribution or at
 * http://www.rtems.com/license/LICENSE.
 */

#ifndef LIBBSP_POWERPC_MPC55XXEVB_BSP_H
#define LIBBSP_POWERPC_MPC55XXEVB_BSP_H

#include <stdint.h>

#include <rtems.h>
#include <rtems/console.h>
#include <rtems/clockdrv.h>

#include <bspopts.h>

#include <bsp/tictac.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

#define BSP_SMALL_MEMORY 1

#define BSP_INTERRUPT_STACK_AT_WORK_AREA_BEGIN

#define BSP_FEATURE_IRQ_EXTENSION

#ifndef ASM

/** @brief System clock frequency */
extern unsigned int bsp_clock_speed;

/** @brief Time base clicks per micro second */
extern uint32_t bsp_clicks_per_usec;

/** @brief Convert Decrementer ticks to microseconds */
#define BSP_Convert_decrementer( _value ) \
  (((unsigned long long) (_value)) / ((unsigned long long)bsp_clicks_per_usec))

rtems_status_code mpc55xx_sd_card_init( bool mount);

/* Network driver configuration */

struct rtems_bsdnet_ifconfig;

int smsc9218i_attach_detach(
  struct rtems_bsdnet_ifconfig *config,
  int attaching
);

#define RTEMS_BSP_NETWORK_DRIVER_ATTACH smsc9218i_attach_detach

#define RTEMS_BSP_NETWORK_DRIVER_NAME "eth0"

rtems_status_code bsp_register_i2c(void);

void bsp_restart(void *addr);

#if MPC55XX_CHIP_TYPE / 10 == 567
  static void *mpc55xx_idle_task(uintptr_t arg)
  {
    while (true) {
      __asm__ volatile ("wait");
    }

    return NULL;
  }
  
  #define BSP_IDLE_TASK_BODY mpc55xx_idle_task
#endif

#endif /* ASM */

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* LIBBSP_POWERPC_MPC55XXEVB_BSP_H */