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 <asm/irq_cpu.h> 17#include <asm/txx9/tx4938.h> 18 19void __init tx4938_irq_init(void) 20{ 21 int i; 22 23 mips_cpu_irq_init(); 24 txx9_irq_init(TX4938_IRC_REG & 0xfffffffffULL); 25 set_irq_chained_handler(MIPS_CPU_IRQ_BASE + TX4938_IRC_INT, 26 handle_simple_irq); 27 /* raise priority for errors, timers, SIO */ 28 txx9_irq_set_pri(TX4938_IR_ECCERR, 7); 29 txx9_irq_set_pri(TX4938_IR_WTOERR, 7); 30 txx9_irq_set_pri(TX4938_IR_PCIERR, 7); 31 txx9_irq_set_pri(TX4938_IR_PCIPME, 7); 32 for (i = 0; i < TX4938_NUM_IR_TMR; i++) 33 txx9_irq_set_pri(TX4938_IR_TMR(i), 6); 34 for (i = 0; i < TX4938_NUM_IR_SIO; i++) 35 txx9_irq_set_pri(TX4938_IR_SIO(i), 5); 36} 37