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autoconf.c revision 1.3 
      1 /*	$NetBSD: autoconf.c,v 1.3 2003/07/04 01:59:20 thorpej Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
      5  * Copyright (C) 1995, 1996 TooLs GmbH.
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by TooLs GmbH.
     19  * 4. The name of TooLs GmbH may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     27  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     28  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     29  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     30  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     31  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #include <sys/param.h>
     35 #include <sys/conf.h>
     36 #include <sys/device.h>
     37 #include <sys/systm.h>
     38 
     39 #include <powerpc/ibm4xx/dcr405gp.h>
     40 #include <powerpc/ibm4xx/dev/plbvar.h>
     41 
     42 struct device *booted_device;
     43 int booted_partition;
     44 
     45 /*
     46  * List of port-specific devices to attach to the processor local bus.
     47  */
     48 static const struct plb_dev local_plb_devs [] = {
     49 	{ "pbus", },
     50 	{ NULL }
     51 };
     52 
     53 /*
     54  * Determine device configuration for a machine.
     55  */
     56 void
     57 cpu_configure(void)
     58 {
     59 
     60 	intr_init();
     61 	calc_delayconst();
     62 
     63 	/* Make sure that timers run at CPU frequency */
     64 	mtdcr(DCR_CPC0_CR1, mfdcr(DCR_CPC0_CR1) & ~CPC0_CR1_CETE);
     65 
     66 	if (config_rootfound("plb", &local_plb_devs) == NULL)
     67 		panic("configure: plb not configured");
     68 
     69 	printf("biomask %x netmask %x ttymask %x\n", (u_short)imask[IPL_BIO],
     70 	    (u_short)imask[IPL_NET], (u_short)imask[IPL_TTY]);
     71 
     72 	(void)spl0();
     73 
     74 	/*
     75 	 * Now allow hardware interrupts.
     76 	 */
     77 	asm volatile ("wrteei 1");
     78 }
     79 
     80 /*
     81  * Setup root device.
     82  * Configure swap area.
     83  */
     84 void
     85 cpu_rootconf(void)
     86 {
     87 
     88 	setroot(booted_device, booted_partition);
     89 }
     90 
     91 void
     92 device_register(struct device *dev, void *aux)
     93 {
     94 }
     95