cpu/mpc83xx/interrupts.c

   1 /*
   2  * (C) Copyright 2000-2002
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * Copyright 2004 Freescale Semiconductor, Inc.
   6  *
   7  * See file CREDITS for list of people who contributed to this
   8  * project.
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of
  13  * the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23  * MA 02111-1307 USA
  24  *
  25  * Change log:
  26  *
  27  * Hacked for MPC8260 by Murray.Jensen@cmst.csiro.au, 22-Oct-00
  28  *
  29  * 20050101: Eran Liberty (liberty@freescale.com)
  30  *           Initial file creating (porting from 85XX & 8260)
  31  */
  32
  33 #include <common.h>
  34 #include <command.h>
  35 #include <mpc83xx.h>
  36 #include <asm/processor.h>
  37
  38 struct irq_action {
  39         interrupt_handler_t *handler;
  40         void *arg;
  41         ulong count;
  42 };
  43
  44 int interrupt_init_cpu (unsigned *decrementer_count)
  45 {
  46         return 0;
  47 }
  48
  49
  50 /*
  51  * Handle external interrupts
  52  */
  53
  54 void external_interrupt (struct pt_regs *regs)
  55 {
  56 }
  57
  58
  59 /*
  60  * Install and free an interrupt handler.
  61  */
  62
  63 void
  64 irq_install_handler (int irq, interrupt_handler_t * handler, void *arg)
  65 {
  66 }
  67
  68
  69 void irq_free_handler (int irq)
  70 {
  71 }
  72
  73
  74 void timer_interrupt_cpu (struct pt_regs *regs)
  75 {
  76         /* nothing to do here */
  77         return;
  78 }
  79
  80
  81 #if (CONFIG_COMMANDS & CFG_CMD_IRQ)
  82
  83 /* ripped this out of ppc4xx/interrupts.c */
  84
  85 /*
  86  * irqinfo - print information about PCI devices
  87  */
  88
  89 void
  90 do_irqinfo(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
  91 {
  92 }
  93
  94 #endif          /* CONFIG_COMMANDS & CFG_CMD_IRQ */