Пример #1
0
void up_initialize(void)
{
  /* Initialize global variables */

  current_regs = NULL;

  /* Calibrate the timing loop */

  up_calibratedelay();

  /* Add any extra memory fragments to the memory manager */

  up_addregion();

  /* Initialize the interrupt subsystem */

  up_irqinitialize();

  /* Initialize the DMA subsystem if the weak function up_dmainitialize has been
   * brought into the build
   */

#ifdef CONFIG_ARCH_DMA
#ifdef CONFIG_HAVE_WEAKFUNCTIONS
  if (up_dmainitialize)
#endif
    {
      up_dmainitialize();
    }
#endif

  /* Initialize the system timer interrupt */

#if !defined(CONFIG_SUPPRESS_INTERRUPTS) && !defined(CONFIG_SUPPRESS_TIMER_INTS)
  up_timerinit();
#endif

  /* Register devices */

#if CONFIG_NFILE_DESCRIPTORS > 0
  devnull_register();   /* Standard /dev/null */
#endif

  /* Initialize the serial device driver */

#ifdef CONFIG_USE_SERIALDRIVER
  up_serialinit();
#elif defined(CONFIG_DEV_LOWCONSOLE)
  lowconsole_init();
#endif

  /* Initialize the netwok */

  up_netinitialize();

  /* Initialize USB -- device and/or host */

  up_usbinitialize();
  up_ledon(LED_IRQSENABLED);
}
Пример #2
0
void up_initialize(void)
{
  /* Initialize global variables */

  current_regs = NULL;

  /* Calibrate the timing loop */

  up_calibratedelay();

  /* Add any extra memory fragments to the memory manager */

  up_addregion();

  /* Initialize the interrupt subsystem */

  up_irqinitialize();

  /* Initialize the DMA subsystem if the weak function stm32_dmainitialize has been
   * brought into the build
   */

#ifdef CONFIG_ARCH_DMA
#ifdef CONFIG_HAVE_WEAKFUNCTIONS
  if (up_dmainitialize)
#endif
    {
      up_dmainitialize();
    }
#endif

  /* Initialize the system timer interrupt */

#if !defined(CONFIG_SUPPRESS_INTERRUPTS) && !defined(CONFIG_SUPPRESS_TIMER_INTS)
  up_timer_initialize();
#endif

  /* Register devices */

#if CONFIG_NFILE_DESCRIPTORS > 0

#if defined(CONFIG_DEV_NULL)
  devnull_register();   /* Standard /dev/null */
#endif

#if defined(CONFIG_DEV_ZERO)
  devzero_register();   /* Standard /dev/zero */
#endif

#endif /* CONFIG_NFILE_DESCRIPTORS */

  /* Initialize the serial device driver */

#ifdef USE_SERIALDRIVER
  up_serialinit();
#endif

  /* Initialize the console device driver (if it is other than the standard
   * serial driver).
   */

#if defined(CONFIG_DEV_LOWCONSOLE)
  lowconsole_init();
#elif defined(CONFIG_SYSLOG_CONSOLE)
  syslog_console_init();
#elif defined(CONFIG_RAMLOG_CONSOLE)
  ramlog_consoleinit();
#endif

  /* Initialize the system logging device */

#ifdef CONFIG_SYSLOG_CHAR
  syslog_initialize();
#endif
#ifdef CONFIG_RAMLOG_SYSLOG
  ramlog_sysloginit();
#endif

#ifndef CONFIG_NETDEV_LATEINIT
  /* Initialize the network */

  up_netinitialize();
#endif

#ifdef CONFIG_NETDEV_LOOPBACK
  /* Initialize the local loopback device */

  (void)localhost_initialize();
#endif

#ifdef CONFIG_NET_TUN
  /* Initialize the TUN device */

  (void)tun_initialize();
#endif

  /* Initialize USB -- device and/or host */

  up_usbinitialize();
  board_led_on(LED_IRQSENABLED);
}
Пример #3
0
void up_initialize(void)
{
  /* Initialize global variables */

  g_current_regs = NULL;

  /* Calibrate the timing loop */

  up_calibratedelay();

  /* Add any extra memory fragments to the memory manager */

  up_addregion();

  /* Initialize the interrupt subsystem */

  up_irqinitialize();

#ifdef CONFIG_PM
  /* Initialize the power management subsystem.  This MCU-specific function
   * must be called *very* early in the initialization sequence *before* any
   * other device drivers are initialized (since they may attempt to register
   * with the power management subsystem).
   */

  up_pminitialize();
#endif

#ifdef CONFIG_ARCH_DMA
  /* Initialize the DMA subsystem if the weak function up_dmainitialize has been
   * brought into the build
   */

#ifdef CONFIG_HAVE_WEAKFUNCTIONS
  if (up_dmainitialize)
#endif
    {
      up_dmainitialize();
    }
#endif

  /* Initialize the system timer interrupt */

#if !defined(CONFIG_SUPPRESS_INTERRUPTS) && !defined(CONFIG_SUPPRESS_TIMER_INTS)
  up_timer_initialize();
#endif

  /* Register devices */

#if CONFIG_NFILE_DESCRIPTORS > 0

#if defined(CONFIG_DEV_NULL)
  devnull_register();   /* Standard /dev/null */
#endif

#if defined(CONFIG_DEV_RANDOM)
  devrandom_register(); /* Standard /dev/random */
#endif

#if defined(CONFIG_DEV_URANDOM)
  devurandom_register();   /* Standard /dev/urandom */
#endif

#if defined(CONFIG_DEV_ZERO)
  devzero_register();   /* Standard /dev/zero */
#endif

#if defined(CONFIG_DEV_LOOP)
  loop_register();      /* Standard /dev/loop */
#endif
#endif /* CONFIG_NFILE_DESCRIPTORS */

#if defined(CONFIG_SCHED_INSTRUMENTATION_BUFFER) && \
    defined(CONFIG_DRIVER_NOTE)
  note_register();      /* Non-standard /dev/note */
#endif

  /* Initialize the serial device driver */

#ifdef USE_SERIALDRIVER
  up_serialinit();
#endif

  /* Initialize the console device driver (if it is other than the standard
   * serial driver).
   */

#if defined(CONFIG_DEV_LOWCONSOLE)
  lowconsole_init();
#elif defined(CONFIG_CONSOLE_SYSLOG)
  syslog_console_init();
#elif defined(CONFIG_RAMLOG_CONSOLE)
  ramlog_consoleinit();
#endif

#if CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_PSEUDOTERM_SUSV1)
  /* Register the master pseudo-terminal multiplexor device */

  (void)ptmx_register();
#endif

  /* Early initialization of the system logging device.  Some SYSLOG channel
   * can be initialized early in the initialization sequence because they
   * depend on only minimal OS initialization.
   */

  syslog_initialize(SYSLOG_INIT_EARLY);

#if defined(CONFIG_CRYPTO)
  /* Initialize the HW crypto and /dev/crypto */

  up_cryptoinitialize();
#endif

#if CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_CRYPTO_CRYPTODEV)
  devcrypto_register();
#endif

#ifndef CONFIG_NETDEV_LATEINIT
  /* Initialize the network */

  up_netinitialize();
#endif

#ifdef CONFIG_NETDEV_LOOPBACK
  /* Initialize the local loopback device */

  (void)localhost_initialize();
#endif

#ifdef CONFIG_NET_TUN
  /* Initialize the TUN device */

  (void)tun_initialize();
#endif

#ifdef CONFIG_NETDEV_TELNET
  /* Initialize the Telnet session factory */

  (void)telnet_initialize();
#endif

  /* Initialize USB -- device and/or host */

  up_usbinitialize();
  board_autoled_on(LED_IRQSENABLED);
}
Пример #4
0
void up_initialize(void)
{
  /* Initialize global variables */

  current_regs = NULL;

  /* Calibrate the timing loop */

  up_calibratedelay();

  /* Colorize the interrupt stack */

  up_color_intstack();

  /* Add any extra memory fragments to the memory manager */

  up_addregion();

  /* Initialize the interrupt subsystem */

  up_irqinitialize();

  /* Initialize the power management subsystem.  This MCU-specific function
   * must be called *very* early in the initialization sequence *before* any
   * other device drivers are initialized (since they may attempt to register
   * with the power management subsystem).
   */

#ifdef CONFIG_PM
  up_pminitialize();
#endif

  /* Initialize the DMA subsystem if the weak function up_dmainitialize has been
   * brought into the build
   */

#ifdef CONFIG_ARCH_DMA
#ifdef CONFIG_HAVE_WEAKFUNCTIONS
  if (up_dmainitialize)
#endif
    {
      up_dmainitialize();
    }
#endif

  /* Initialize the system timer interrupt */

#if !defined(CONFIG_SUPPRESS_INTERRUPTS) && !defined(CONFIG_SUPPRESS_TIMER_INTS) && \
    !defined(CONFIG_SYSTEMTICK_EXTCLK)
  up_timer_initialize();
#endif

  /* Register devices */

#if CONFIG_NFILE_DESCRIPTORS > 0

#if defined(CONFIG_DEV_NULL)
  devnull_register();   /* Standard /dev/null */
#endif

#if defined(CONFIG_CRYPTO)
  up_cryptoinitialize();
#endif

#if defined(CONFIG_CRYPTO_CRYPTODEV)
  devcrypto_register(); /* /dev/crypto */
#endif

#if defined(CONFIG_DEV_ZERO)
  devzero_register();   /* Standard /dev/zero */
#endif

#endif /* CONFIG_NFILE_DESCRIPTORS */

  /* Initialize the serial device driver */

#ifdef USE_SERIALDRIVER
  up_serialinit();
#endif

  /* Initialize the console device driver (if it is other than the standard
   * serial driver).
   */

#if defined(CONFIG_DEV_LOWCONSOLE)
  lowconsole_init();
#elif defined(CONFIG_RAMLOG_CONSOLE)
  ramlog_consoleinit();
#elif defined(CONFIG_ARM_SEMIHOSTING_CONSOLE)
  semihosting_consoleinit();
#elif defined(CONFIG_ARM_ITM_CONSOLE)
  itm_consoleinit();
#elif defined(CONFIG_APB_USB_LOG)
  usb_log_init();
#endif

  /* Initialize the Random Number Generator (RNG)  */

#ifdef CONFIG_DEV_RANDOM
  up_rnginitialize();
#endif

  /* Initialize the system logging device */

#ifdef CONFIG_SYSLOG_CHAR
  syslog_initialize();
#endif
#ifdef CONFIG_RAMLOG_SYSLOG
  ramlog_sysloginit();
#endif

  /* Initialize the network */

  up_netinitialize();

  /* Initialize USB -- device and/or host */

  up_usbinitialize();

  /* Initialize the L2 cache if present and selected */

  up_l2ccinitialize();
  board_led_on(LED_IRQSENABLED);
}