/*
 *  bsp_start
 *
 *  This routine does the bulk of the system initialization.
 */
void bsp_start( void )
{
  rtems_status_code sc = RTEMS_SUCCESSFUL;
  ppc_cpu_id_t myCpu;
  ppc_cpu_revision_t myCpuRevision;

  /* Get the UART clock initialized first in case we call printk */

  InitUARTClock();
  Init_FPGA();
  EarlyUARTInit(115200);

  /*
   * Get CPU identification dynamically. Note that the get_ppc_cpu_type()
   * function store the result in global variables
   * so that it can be used later...
   */
  myCpu       = get_ppc_cpu_type();
  myCpuRevision = get_ppc_cpu_revision();

  /*
   *  initialize the device driver parameters
   */

  /* Set globals visible to clock.c */
  /* timebase register ticks/microsecond = CPU Clk in MHz */
  bsp_clicks_per_usec = 400;

  bsp_timer_internal_clock  = TRUE;
  bsp_timer_average_overhead = 2;
  bsp_timer_least_valid = 3;

  /*
   * Initialize default raw exception handlers.
   */
  sc = ppc_exc_initialize(
    PPC_INTERRUPT_DISABLE_MASK_DEFAULT,
    (uintptr_t) intrStack_start,
    (uintptr_t) intrStack_size
  );
  if (sc != RTEMS_SUCCESSFUL) {
    BSP_panic("cannot initialize exceptions");
  }

  /*
   * Install our own set of exception vectors
   */
  BSP_rtems_irq_mng_init(0);
}
Esempio n. 2
0
File: init.c Progetto: rngadam/mboot
int main(void)
{
	BTNDIS_P();
	Init_EMIF();
	Init_LEDS();
	Init_TIMER();
	Init_FPGA();
	Init_UART();
	Init_TWI(100000);
	
	mbootBanner();
	
	Init_RTC();
	Init_Media();
	Init_SHA204();
	Init_EMAC();
	SYS_UNRESET();
	
	mboot();

	while(1);
	// return 0;
}