Subversion Repositories c0or1k

/*

 * Support for generic irq handling.

 *

 * Copyright (C) 2007 Bahadir Balban

 */

#include <l4/generic/irq.h>

#include <l4/generic/time.h>

#include INC_PLAT(offsets.h)

#include INC_PLAT(irq.h)

#include <l4/lib/bit.h>

#include <l4/platform/realview/irq.h>

/*

 * Timer handler for userspace

 */

int platform_timer_user_handler(struct irq_desc *desc)

{

        /* Ack the device irq */

        timer_irq_clear(PLATFORM_TIMER1_VBASE);

        /* Notify the userspace */

        irq_thread_notify(desc);

        return 0;

}

/*

 * Keyboard handler for userspace

 */

#define PL050_KMICR             0x00

#define PL050_KMI_RXINTR        (1 << 0x4)

int platform_keyboard_user_handler(struct irq_desc *desc)

{

        /*

         * Disable rx keyboard interrupt.

         * User will enable this

         */

        clrbit((unsigned int *)PLATFORM_KEYBOARD0_VBASE + PL050_KMICR,

               PL050_KMI_RXINTR);

        irq_thread_notify(desc);

        return 0;

}

/*

 * Mouse handler for userspace

 */

int platform_mouse_user_handler(struct irq_desc *desc)

{

        /*

         * Disable rx keyboard interrupt.

         * User will enable this

         */

        clrbit((unsigned int *)PLATFORM_KEYBOARD0_VBASE + PL050_KMICR,

               PL050_KMI_RXINTR);

        irq_thread_notify(desc);

        return 0;

}

int platform_timer_handler(struct irq_desc *desc)

{

        timer_irq_clear(PLATFORM_TIMER0_VBASE);

        return do_timer_irq();

}