blob: 7b03006dd08a4bff01076fde5788b80b64f00f70 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
/*
* include/asm-arm/arch-nexuspci/irq.h
*
* Copyright (C) 1998 Philip Blundell
*
* Changelog:
* 22-08-1998 RMK Restructured IRQ routines
*/
#include <asm/io.h>
#define INTCONT 0xffe00000
extern unsigned long soft_irq_mask;
static void nexuspci_mask_irq(unsigned int irq)
{
writel((irq << 1), INTCONT);
soft_irq_mask &= ~(1<<irq);
}
static void nexuspci_unmask_irq(unsigned int irq)
{
writel((irq << 1) + 1, INTCONT);
soft_irq_mask |= (1<<irq);
}
static __inline__ void irq_init_irq(void)
{
unsigned int i;
/* Disable all interrupts initially. */
for (i = 0; i < NR_IRQS; i++) {
irq_desc[i].valid = 1;
irq_desc[i].probe_ok = 1;
irq_desc[i].mask_ack = nexuspci_mask_irq;
irq_desc[i].mask = nexuspci_mask_irq;
irq_desc[i].unmask = nexuspci_unmask_irq;
mask_irq(i);
}
}
|
