162306a36Sopenharmony_ci/* 262306a36Sopenharmony_ci * linux/arch/mips/tx4938/common/irq.c 362306a36Sopenharmony_ci * 462306a36Sopenharmony_ci * Common tx4938 irq handler 562306a36Sopenharmony_ci * Copyright (C) 2000-2001 Toshiba Corporation 662306a36Sopenharmony_ci * 762306a36Sopenharmony_ci * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the 862306a36Sopenharmony_ci * terms of the GNU General Public License version 2. This program is 962306a36Sopenharmony_ci * licensed "as is" without any warranty of any kind, whether express 1062306a36Sopenharmony_ci * or implied. 1162306a36Sopenharmony_ci * 1262306a36Sopenharmony_ci * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com) 1362306a36Sopenharmony_ci */ 1462306a36Sopenharmony_ci#include <linux/init.h> 1562306a36Sopenharmony_ci#include <linux/interrupt.h> 1662306a36Sopenharmony_ci#include <linux/irq.h> 1762306a36Sopenharmony_ci#include <asm/irq_cpu.h> 1862306a36Sopenharmony_ci#include <asm/txx9/tx4938.h> 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_civoid __init tx4938_irq_init(void) 2162306a36Sopenharmony_ci{ 2262306a36Sopenharmony_ci int i; 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_ci mips_cpu_irq_init(); 2562306a36Sopenharmony_ci txx9_irq_init(TX4938_IRC_REG & 0xfffffffffULL); 2662306a36Sopenharmony_ci irq_set_chained_handler(MIPS_CPU_IRQ_BASE + TX4938_IRC_INT, 2762306a36Sopenharmony_ci handle_simple_irq); 2862306a36Sopenharmony_ci /* raise priority for errors, timers, SIO */ 2962306a36Sopenharmony_ci txx9_irq_set_pri(TX4938_IR_ECCERR, 7); 3062306a36Sopenharmony_ci txx9_irq_set_pri(TX4938_IR_WTOERR, 7); 3162306a36Sopenharmony_ci txx9_irq_set_pri(TX4938_IR_PCIERR, 7); 3262306a36Sopenharmony_ci txx9_irq_set_pri(TX4938_IR_PCIPME, 7); 3362306a36Sopenharmony_ci for (i = 0; i < TX4938_NUM_IR_TMR; i++) 3462306a36Sopenharmony_ci txx9_irq_set_pri(TX4938_IR_TMR(i), 6); 3562306a36Sopenharmony_ci for (i = 0; i < TX4938_NUM_IR_SIO; i++) 3662306a36Sopenharmony_ci txx9_irq_set_pri(TX4938_IR_SIO(i), 5); 3762306a36Sopenharmony_ci} 38