LXR linux/arch/mips/txx9/generic/irq

   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