Subversion Repositories or1k_old

/*

 * include/asm-arm/arch-ebsa/irq.h

 *

 * Copyright (C) 1996 Russell King

 */

#define IRQ_MCLR        ((volatile unsigned char *)0xf3000000)

#define IRQ_MSET        ((volatile unsigned char *)0xf2c00000)

#define IRQ_MASK        ((volatile unsigned char *)0xf2c00000)

#define BUILD_IRQ(s,n,m)

extern void IRQ_interrupt(void);

extern void timer_IRQ_interrupt(void);

extern void fast_IRQ_interrupt(void);

extern void bad_IRQ_interrupt(void);

extern void probe_IRQ_interrupt(void);

#define IRQ_interrupt0 IRQ_interrupt

#define IRQ_interrupt1 IRQ_interrupt

#define IRQ_interrupt2 IRQ_interrupt

#define IRQ_interrupt3 IRQ_interrupt

#define IRQ_interrupt4 timer_IRQ_interrupt

#define IRQ_interrupt5 IRQ_interrupt

#define IRQ_interrupt6 IRQ_interrupt

#define IRQ_interrupt7 IRQ_interrupt

#define IRQ_interrupt8 IRQ_interrupt

#define IRQ_interrupt9 IRQ_interrupt

#define IRQ_interrupt10 IRQ_interrupt

#define IRQ_interrupt11 IRQ_interrupt

#define IRQ_interrupt12 IRQ_interrupt

#define IRQ_interrupt13 IRQ_interrupt

#define IRQ_interrupt14 IRQ_interrupt

#define IRQ_interrupt15 IRQ_interrupt

#define IRQ_interrupt16 IRQ_interrupt

#define IRQ_interrupt17 IRQ_interrupt

#define IRQ_interrupt18 IRQ_interrupt

#define IRQ_interrupt19 IRQ_interrupt

#define IRQ_interrupt20 IRQ_interrupt

#define IRQ_interrupt21 IRQ_interrupt

#define IRQ_interrupt22 IRQ_interrupt

#define IRQ_interrupt23 IRQ_interrupt

#define IRQ_INTERRUPT(n)        IRQ_interrupt##n

#define FAST_INTERRUPT(n)       fast_IRQ_interrupt

#define BAD_INTERRUPT(n)        bad_IRQ_interrupt

#define PROBE_INTERRUPT(n)      probe_IRQ_interrupt

static __inline__ void mask_irq(unsigned int irq)

{

        if (irq < 8)

                *IRQ_MCLR = 1 << irq;

}

static __inline__ void unmask_irq(unsigned int irq)

{

        if (irq < 8)

                *IRQ_MSET = 1 << irq;

}

static __inline__ unsigned long get_enabled_irqs(void)

{

        return 0;

}

static __inline__ void irq_init_irq(void)

{

        unsigned long flags;

        save_flags_cli (flags);

        *IRQ_MCLR = 0xff;

        *IRQ_MSET = 0x55;

        *IRQ_MSET = 0x00;

        if (*IRQ_MASK != 0x55)

                while (1);

        *IRQ_MCLR = 0xff;               /* clear all interrupt enables */

        restore_flags (flags);

}