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/*
* include/asm-arm/arch-tbox/irq.h
*
* Copyright (C) 1998, 1999, 2000 Philip Blundell
*/
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <asm/io.h>
#define fixup_irq(x) (x)
extern unsigned long soft_irq_mask;
static void tbox_mask_irq(unsigned int irq)
{
__raw_writel(0, INTCONT + (irq << 2));
soft_irq_mask &= ~(1<<irq);
}
static void tbox_unmask_irq(unsigned int irq)
{
soft_irq_mask |= (1<<irq);
__raw_writel(1, INTCONT + (irq << 2));
}
static __inline__ void irq_init_irq(void)
{
unsigned int i;
/* Disable all interrupts initially. */
for (i = 0; i < NR_IRQS; i++) {
if (i <= 10 || (i >= 12 && i <= 13)) {
irq_desc[i].valid = 1;
irq_desc[i].probe_ok = 0;
irq_desc[i].mask_ack = tbox_mask_irq;
irq_desc[i].mask = tbox_mask_irq;
irq_desc[i].unmask = tbox_unmask_irq;
tbox_mask_irq(i);
} else {
irq_desc[i].valid = 0;
irq_desc[i].probe_ok = 0;
}
}
}
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