LXR uboot/arch/powerpc/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 * SPDX-License-Identifier:     GPL-2.0+
   8 *
   9 * Derived from the MPC83xx code.
  10 */
  11
  12#include <common.h>
  13
  14DECLARE_GLOBAL_DATA_PTR;
  15
  16struct irq_action {
  17        interrupt_handler_t *handler;
  18        void *arg;
  19        ulong count;
  20};
  21
  22int interrupt_init_cpu (unsigned *decrementer_count)
  23{
  24        *decrementer_count = get_tbclk () / CONFIG_SYS_HZ;
  25
  26        return 0;
  27}
  28
  29/*
  30 * Install and free an interrupt handler.
  31 */
  32void
  33irq_install_handler (int irq, interrupt_handler_t * handler, void *arg)
  34{
  35}
  36
  37void irq_free_handler (int irq)
  38{
  39}
  40
  41void timer_interrupt_cpu (struct pt_regs *regs)
  42{
  43        /* nothing to do here */
  44        return;
  45}
  46