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/*
* Cirrus EP7312 Startup code
*
* Copyright (c) 2002 by Jay Monkman <jtm@smoothsmoothie.com>
*
* 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.
*/
#include <bsp.h>
#include <bsp/irq-generic.h>
#include <ep7312.h>
#include <uart.h>
/*
* Function prototypes
*/
extern void rtems_exception_init_mngt(void);
/*
* NAME: bsp_start_default - BSP initialization function
*
* This function is called before RTEMS is initialized
* This function also configures the CPU's memory protection unit.
*
*
* RESTRICTIONS/LIMITATIONS:
* Since RTEMS is not configured, no RTEMS functions can be called.
*
*/
void bsp_start_default( void )
{
/* disable interrupts */
*EP7312_INTMR1 = 0;
*EP7312_INTMR2 = 0;
/*
* Init rtems exceptions management
*/
rtems_exception_init_mngt();
/*
* Init rtems interrupt management
*/
if (bsp_interrupt_initialize() != RTEMS_SUCCESSFUL) {
_CPU_Fatal_halt(0xe);
}
} /* bsp_start */
/*
* By making this a weak alias for bsp_start_default, a brave soul
* can override the actual bsp_start routine used.
*/
void bsp_start (void) __attribute__ ((weak, alias("bsp_start_default")));
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