122b1d707SAtsushi Nemoto /* 222b1d707SAtsushi Nemoto * linux/arch/mips/tx4938/common/irq.c 322b1d707SAtsushi Nemoto * 422b1d707SAtsushi Nemoto * Common tx4938 irq handler 522b1d707SAtsushi Nemoto * Copyright (C) 2000-2001 Toshiba Corporation 622b1d707SAtsushi Nemoto * 722b1d707SAtsushi Nemoto * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the 822b1d707SAtsushi Nemoto * terms of the GNU General Public License version 2. This program is 922b1d707SAtsushi Nemoto * licensed "as is" without any warranty of any kind, whether express 1022b1d707SAtsushi Nemoto * or implied. 1122b1d707SAtsushi Nemoto * 1222b1d707SAtsushi Nemoto * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com) 1322b1d707SAtsushi Nemoto */ 1422b1d707SAtsushi Nemoto #include <linux/init.h> 1522b1d707SAtsushi Nemoto #include <linux/interrupt.h> 16ca4d3e67SDavid Howells #include <linux/irq.h> 1722b1d707SAtsushi Nemoto #include <asm/irq_cpu.h> 18edcaf1a6SAtsushi Nemoto #include <asm/txx9/tx4938.h> 1922b1d707SAtsushi Nemoto 20edcaf1a6SAtsushi Nemoto void __init tx4938_irq_init(void) 2122b1d707SAtsushi Nemoto { 2274894363SAtsushi Nemoto int i; 2374894363SAtsushi Nemoto 2422b1d707SAtsushi Nemoto mips_cpu_irq_init(); 2594a4c329SAtsushi Nemoto txx9_irq_init(TX4938_IRC_REG & 0xfffffffffULL); 26edcaf1a6SAtsushi Nemoto set_irq_chained_handler(MIPS_CPU_IRQ_BASE + TX4938_IRC_INT, 27edcaf1a6SAtsushi Nemoto handle_simple_irq); 2874894363SAtsushi Nemoto /* raise priority for errors, timers, SIO */ 2974894363SAtsushi Nemoto txx9_irq_set_pri(TX4938_IR_ECCERR, 7); 3074894363SAtsushi Nemoto txx9_irq_set_pri(TX4938_IR_WTOERR, 7); 3174894363SAtsushi Nemoto txx9_irq_set_pri(TX4938_IR_PCIERR, 7); 3274894363SAtsushi Nemoto txx9_irq_set_pri(TX4938_IR_PCIPME, 7); 3374894363SAtsushi Nemoto for (i = 0; i < TX4938_NUM_IR_TMR; i++) 3474894363SAtsushi Nemoto txx9_irq_set_pri(TX4938_IR_TMR(i), 6); 3574894363SAtsushi Nemoto for (i = 0; i < TX4938_NUM_IR_SIO; i++) 3674894363SAtsushi Nemoto txx9_irq_set_pri(TX4938_IR_SIO(i), 5); 3722b1d707SAtsushi Nemoto } 38