1/*
2 * Generic interrupt handler for Broadcom MIPS boards
3 *
4 * Copyright 2006, Broadcom Corporation
5 * All Rights Reserved.
6 *
7 * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
8 * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
9 * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
10 * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
11 *
12 * $Id: int-handler.S,v 1.1.1.1 2008/10/15 03:26:08 james26_jang Exp $
13 */
14
15#include <linux/config.h>
16
17#include <asm/asm.h>
18#include <asm/mipsregs.h>
19#include <asm/regdef.h>
20#include <asm/stackframe.h>
21
22/*
23 *	MIPS IRQ	Source
24 *      --------        ------
25 *             0	Software (ignored)
26 *             1        Software (ignored)
27 *             2        Combined hardware interrupt (hw0)
28 *             3        Hardware
29 *             4        Hardware
30 *             5        Hardware
31 *             6        Hardware
32 *             7        R4k timer
33 */
34
35	.text
36	.set	noreorder
37	.set	noat
38	.align	5
39	NESTED(brcmIRQ, PT_SIZE, sp)
40	SAVE_ALL
41	CLI
42	.set	at
43	.set    noreorder
44
45	jal	brcm_irq_dispatch
46	move	a0, sp
47
48	j	ret_from_irq
49	nop
50
51	END(brcmIRQ)
52