text: /*	$NetBSD: autoconf.c,v 1.6 2003/07/15 01:37:37 lukem Exp $	*/
  
  /*
   * Copyright (C) 1995, 1996 Wolfgang Solfrank.
   * Copyright (C) 1995, 1996 TooLs GmbH.
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *	This product includes software developed by TooLs GmbH.
   * 4. The name of TooLs GmbH may not be used to endorse or promote products
   *    derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
   * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
   * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include <sys/cdefs.h>
  __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.6 2003/07/15 01:37:37 lukem Exp $");
  
  #include <sys/param.h>
  #include <sys/conf.h>
  #include <sys/device.h>
  #include <sys/systm.h>
  
  #include <dev/ic/comreg.h>	/* For COM_FREQ */
  
  #include <powerpc/ibm4xx/dcr405gp.h>
  #include <powerpc/ibm4xx/dev/plbvar.h>
  
  struct device *booted_device;
  int booted_partition;
  
  /*
   * List of port-specific devices to attach to the processor local bus.
   */
  static const struct plb_dev local_plb_devs [] = {
  	{ "pbus", },
  	{ NULL }
  };
  
  /*
   * Determine device configuration for a machine.
   */
  void
  cpu_configure(void)
  {
  
  	intr_init();
  	calc_delayconst();
  
  	/* Make sure that timers run at CPU frequency */
  	mtdcr(DCR_CPC0_CR1, mfdcr(DCR_CPC0_CR1) & ~CPC0_CR1_CETE);
  
  	if (config_rootfound("plb", &local_plb_devs) == NULL)
  		panic("configure: plb not configured");
  
  	printf("biomask %x netmask %x ttymask %x\n", (u_short)imask[IPL_BIO],
  	    (u_short)imask[IPL_NET], (u_short)imask[IPL_TTY]);
  	
  	(void)spl0();
  
  	/*
  	 * Now allow hardware interrupts.
  	 */
  	asm volatile ("wrteei 1");
  }
  
  /*
   * Setup root device.
   * Configure swap area.
   */
  void
  cpu_rootconf(void)
  {
  
  	setroot(booted_device, booted_partition);
  }
  
  void
  device_register(struct device *dev, void *aux)
  {
  	struct device *parent = dev->dv_parent;
  
  	if (strcmp(dev->dv_cfdata->cf_name, "com") == 0 &&
  	    strcmp(parent->dv_cfdata->cf_name, "opb") == 0) {
  		/* Set the frequency of the on-chip UART. */
  		int freq = COM_FREQ * 6;
  
  		if (prop_set(dev_propdb, dev, "frequency",
  			     &freq, sizeof(freq), PROP_INT, 0) != 0)
  			printf("WARNING: unable to set frequency "
  			    "property for %s\n", dev->dv_xname);
  		return;
  	}
  
  	if (strcmp(dev->dv_cfdata->cf_name, "emac") == 0 &&
  	    strcmp(parent->dv_cfdata->cf_name, "opb") == 0) {
  		/* Set the mac-addr of the on-chip Ethernet. */
  		/* XXX 405GP only has one; what about CPUs with two? */
  		if (prop_set(dev_propdb, dev, "mac-addr",
  			     &board_data.mac_address_local,
  			     sizeof(board_data.mac_address_local),
  			     PROP_CONST, 0) != 0)
  			printf("WARNING: unable to set mac-addr "
  			    "property for %s\n", dev->dv_xname);
  		return;
  	}
  }
  