source: rtems/c/src/lib/libbsp/arm/edb7312/irq/bsp_irq_init.c @ c001766

/*
 * Cirrus EP7312 Intererrupt handler
 *
 * Copyright (c) 2002 by Jay Monkman <jtm@smoothsmoothie.com>
 *
 * Copyright (c) 2002 by Charlie Steader <charlies@poliac.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.
 *
 *
 *  $Id$
*/
#include <irq.h>
#include <bsp.h>
#include <ep7312.h>

extern void default_int_handler(void);

void BSP_rtems_irq_mngt_init(void)
{
        long int_stat;
        long *vectorTable;
        int i;

        vectorTable = (long *) VECTOR_TABLE;

        /* Initialize the vector table contents with default handler */
        for (i=0; i<BSP_MAX_INT; i++) {
            *(vectorTable + i) = (long)(default_int_handler);
        }

        /* mask all interrupts */
        *EP7312_INTMR1 = 0x0;
        *EP7312_INTMR2 = 0x0;
        *EP7312_INTMR3 = 0x0;

        /* clear all pending interrupt status' */
        int_stat = *EP7312_INTSR1;
        if(int_stat & EP7312_INTR1_EXTFIQ)
        {
        }
        if(int_stat & EP7312_INTR1_BLINT)
        {
                *EP7312_BLEOI = 0xFFFFFFFF;
        }
        if(int_stat & EP7312_INTR1_WEINT)
        {
            *EP7312_TEOI = 0xFFFFFFFF;
        }
        if(int_stat & EP7312_INTR1_MCINT)
        {
        }
        if(int_stat & EP7312_INTR1_CSINT)
        {
                *EP7312_COEOI = 0xFFFFFFFF;
        }
        if(int_stat & EP7312_INTR1_EINT1)
        {
        }
        if(int_stat & EP7312_INTR1_EINT2)
        {
        }
        if(int_stat & EP7312_INTR1_EINT3)
        {
        }
        if(int_stat & EP7312_INTR1_TC1OI)
        {
            *EP7312_TC1EOI = 0xFFFFFFFF;
        }
        if(int_stat & EP7312_INTR1_TC2OI)
        {
            *EP7312_TC2EOI = 0xFFFFFFFF;
        }
        if(int_stat & EP7312_INTR1_RTCMI)
        {
            *EP7312_RTCEOI = 0xFFFFFFFF;
        }
        if(int_stat & EP7312_INTR1_TINT)
        {
            *EP7312_TEOI = 0xFFFFFFFF;
        }
        if(int_stat & EP7312_INTR1_URXINT1)
        {
        }
        if(int_stat & EP7312_INTR1_UTXINT1)
        {
        }
        if(int_stat & EP7312_INTR1_UMSINT)
        {
            *EP7312_UMSEOI = 0xFFFFFFFF;
        }
        if(int_stat & EP7312_INTR1_SSEOTI)
        {
            *EP7312_SYNCIO;
        }
        int_stat = *EP7312_INTSR1;

        int_stat = *EP7312_INTSR2;
        if(int_stat & EP7312_INTR2_KBDINT)
        {
            *EP7312_KBDEOI = 0xFFFFFFFF;
        }
        if(int_stat & EP7312_INTR2_SS2RX)
        {
        }
        if(int_stat & EP7312_INTR2_SS2TX)
        {
        }
        if(int_stat & EP7312_INTR2_URXINT2)
        {
        }
        if(int_stat & EP7312_INTR2_UTXINT2)
        {
        }
        int_stat = *EP7312_INTSR2;

        int_stat = *EP7312_INTSR3;
        if(int_stat & EP7312_INTR2_DAIINT)
        {
        }
        int_stat = *EP7312_INTSR3;
}