LXR uboot/cpu/mpc512x/interrupts.c

   1/*
   2 * (C) Copyright 2000-2007
   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 * Derived from the MPC83xx code.
  26 */
  27
  28#include <common.h>
  29
  30DECLARE_GLOBAL_DATA_PTR;
  31
  32struct irq_action {
  33        interrupt_handler_t *handler;
  34        void *arg;
  35        ulong count;
  36};
  37
  38int interrupt_init_cpu (unsigned *decrementer_count)
  39{
  40        *decrementer_count = get_tbclk () / CONFIG_SYS_HZ;
  41
  42        return 0;
  43}
  44
  45/*
  46 * Install and free an interrupt handler.
  47 */
  48void
  49irq_install_handler (int irq, interrupt_handler_t * handler, void *arg)
  50{
  51}
  52
  53void irq_free_handler (int irq)
  54{
  55}
  56
  57void timer_interrupt_cpu (struct pt_regs *regs)
  58{
  59        /* nothing to do here */
  60        return;
  61}
  62