1/*
2 * linux/arch/mips/tx4938/common/irq.c
3 *
4 * Common tx4938 irq handler
5 * Copyright (C) 2000-2001 Toshiba Corporation
6 *
7 * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
8 * terms of the GNU General Public License version 2. This program is
9 * licensed "as is" without any warranty of any kind, whether express
10 * or implied.
11 *
12 * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
13 */
14#include <linux/init.h>
15#include <linux/interrupt.h>
16#include <linux/irq.h>
17#include <asm/irq_cpu.h>
18#include <asm/txx9/tx4938.h>
19
20void __init tx4938_irq_init(void)
21{
22	int i;
23
24	mips_cpu_irq_init();
25	txx9_irq_init(TX4938_IRC_REG & 0xfffffffffULL);
26	irq_set_chained_handler(MIPS_CPU_IRQ_BASE + TX4938_IRC_INT,
27				handle_simple_irq);
28	/* raise priority for errors, timers, SIO */
29	txx9_irq_set_pri(TX4938_IR_ECCERR, 7);
30	txx9_irq_set_pri(TX4938_IR_WTOERR, 7);
31	txx9_irq_set_pri(TX4938_IR_PCIERR, 7);
32	txx9_irq_set_pri(TX4938_IR_PCIPME, 7);
33	for (i = 0; i < TX4938_NUM_IR_TMR; i++)
34		txx9_irq_set_pri(TX4938_IR_TMR(i), 6);
35	for (i = 0; i < TX4938_NUM_IR_SIO; i++)
36		txx9_irq_set_pri(TX4938_IR_SIO(i), 5);
37}
38