text: /*
   * (C) Copyright 2000-2002
   * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   *
   * Copyright 2004 Freescale Semiconductor, Inc.
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  #include <common.h>
  #include <command.h>
  #include <mpc83xx.h>
  #include <asm/processor.h>
  
  DECLARE_GLOBAL_DATA_PTR;
  
  struct irq_action {
  	interrupt_handler_t *handler;
  	void *arg;
  	ulong count;
  };
  
  int interrupt_init_cpu (unsigned *decrementer_count)
  {
  	volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
  
  	*decrementer_count = (gd->bus_clk / 4) / CONFIG_SYS_HZ;
  
  	/* Enable e300 time base */
  
  	immr->sysconf.spcr |= 0x00400000;
  
  	return 0;
  }
  
  
  /*
   * Handle external interrupts
   */
  
  void external_interrupt (struct pt_regs *regs)
  {
  }
  
  
  /*
   * Install and free an interrupt handler.
   */
  
  void
  irq_install_handler (int irq, interrupt_handler_t * handler, void *arg)
  {
  }
  
  
  void irq_free_handler (int irq)
  {
  }
  
  
  void timer_interrupt_cpu (struct pt_regs *regs)
  {
  	/* nothing to do here */
  	return;
  }
  
  
  #if defined(CONFIG_CMD_IRQ)
  
  /* ripped this out of ppc4xx/interrupts.c */
  
  /*
   * irqinfo - print information about PCI devices
   */
  
  void
  do_irqinfo(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char * const argv[])
  {
  }
  
  #endif
  