4 * (C) Copyright 2007, Greg Ungerer <gerg@snapgear.com>
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file COPYING in the main directory of this archive
11 #include <linux/types.h>
12 #include <linux/init.h>
13 #include <linux/kernel.h>
14 #include <linux/kernel_stat.h>
15 #include <linux/interrupt.h>
16 #include <linux/irq.h>
17 #include <linux/seq_file.h>
18 #include <asm/system.h>
19 #include <asm/traps.h>
21 asmlinkage
void do_IRQ(int irq
, struct pt_regs
*regs
)
23 struct pt_regs
*oldregs
= set_irq_regs(regs
);
26 generic_handle_irq(irq
);
29 set_irq_regs(oldregs
);
32 #if !defined(CONFIG_M520x) && !defined(CONFIG_M523x) && \
33 !defined(CONFIG_M527x) && !defined(CONFIG_M528x) && \
34 !defined(CONFIG_M532x)
36 static struct irq_chip m_irq_chip
= {
38 .enable
= enable_vector
,
39 .disable
= disable_vector
,
43 void __init
init_IRQ(void)
49 for (irq
= 0; (irq
< NR_IRQS
); irq
++) {
50 irq_desc
[irq
].status
= IRQ_DISABLED
;
51 irq_desc
[irq
].action
= NULL
;
52 irq_desc
[irq
].depth
= 1;
53 irq_desc
[irq
].chip
= &m_irq_chip
;
59 int show_interrupts(struct seq_file
*p
, void *v
)
62 int irq
= *((loff_t
*) v
);
65 seq_puts(p
, " CPU0\n");
68 ap
= irq_desc
[irq
].action
;
70 seq_printf(p
, "%3d: ", irq
);
71 seq_printf(p
, "%10u ", kstat_irqs(irq
));
72 seq_printf(p
, "%14s ", irq_desc
[irq
].chip
->name
);
74 seq_printf(p
, "%s", ap
->name
);
75 for (ap
= ap
->next
; ap
; ap
= ap
->next
)
76 seq_printf(p
, ", %s", ap
->name
);
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