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autoconf.c revision 1.18
      1  1.18  kiyohara /*	$NetBSD: autoconf.c,v 1.18 2010/03/18 14:04:07 kiyohara Exp $	*/
      2   1.1       scw 
      3   1.1       scw /*
      4   1.1       scw  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
      5   1.1       scw  * Copyright (C) 1995, 1996 TooLs GmbH.
      6   1.1       scw  * All rights reserved.
      7   1.1       scw  *
      8   1.1       scw  * Redistribution and use in source and binary forms, with or without
      9   1.1       scw  * modification, are permitted provided that the following conditions
     10   1.1       scw  * are met:
     11   1.1       scw  * 1. Redistributions of source code must retain the above copyright
     12   1.1       scw  *    notice, this list of conditions and the following disclaimer.
     13   1.1       scw  * 2. Redistributions in binary form must reproduce the above copyright
     14   1.1       scw  *    notice, this list of conditions and the following disclaimer in the
     15   1.1       scw  *    documentation and/or other materials provided with the distribution.
     16   1.1       scw  * 3. All advertising materials mentioning features or use of this software
     17   1.1       scw  *    must display the following acknowledgement:
     18   1.1       scw  *	This product includes software developed by TooLs GmbH.
     19   1.1       scw  * 4. The name of TooLs GmbH may not be used to endorse or promote products
     20   1.1       scw  *    derived from this software without specific prior written permission.
     21   1.1       scw  *
     22   1.1       scw  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
     23   1.1       scw  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24   1.1       scw  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25   1.1       scw  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     26   1.1       scw  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     27   1.1       scw  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     28   1.1       scw  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     29   1.1       scw  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     30   1.1       scw  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     31   1.1       scw  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32   1.1       scw  */
     33   1.6     lukem 
     34   1.6     lukem #include <sys/cdefs.h>
     35  1.18  kiyohara __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.18 2010/03/18 14:04:07 kiyohara Exp $");
     36   1.1       scw 
     37   1.1       scw #include <sys/param.h>
     38   1.1       scw #include <sys/conf.h>
     39   1.1       scw #include <sys/device.h>
     40   1.1       scw #include <sys/systm.h>
     41   1.1       scw 
     42   1.4   thorpej #include <dev/ic/comreg.h>	/* For COM_FREQ */
     43   1.4   thorpej 
     44  1.18  kiyohara #include <powerpc/ibm4xx/dcr4xx.h>
     45   1.1       scw #include <powerpc/ibm4xx/dev/plbvar.h>
     46  1.18  kiyohara #include <powerpc/ibm4xx/spr.h>
     47   1.1       scw 
     48   1.1       scw /*
     49   1.1       scw  * List of port-specific devices to attach to the processor local bus.
     50   1.1       scw  */
     51   1.1       scw static const struct plb_dev local_plb_devs [] = {
     52  1.18  kiyohara 	{ IBM405GP, "pbus", },
     53  1.18  kiyohara 	{ 0, NULL }
     54   1.1       scw };
     55   1.1       scw 
     56   1.1       scw /*
     57   1.1       scw  * Determine device configuration for a machine.
     58   1.1       scw  */
     59   1.1       scw void
     60   1.1       scw cpu_configure(void)
     61   1.1       scw {
     62   1.1       scw 
     63   1.1       scw 	intr_init();
     64   1.1       scw 	calc_delayconst();
     65   1.1       scw 
     66   1.1       scw 	/* Make sure that timers run at CPU frequency */
     67   1.1       scw 	mtdcr(DCR_CPC0_CR1, mfdcr(DCR_CPC0_CR1) & ~CPC0_CR1_CETE);
     68   1.1       scw 
     69   1.1       scw 	if (config_rootfound("plb", &local_plb_devs) == NULL)
     70   1.1       scw 		panic("configure: plb not configured");
     71   1.1       scw 
     72  1.16   tsutsui 	printf("biomask %x netmask %x ttymask %x\n",
     73  1.16   tsutsui 	    imask[IPL_BIO], imask[IPL_NET], imask[IPL_TTY]);
     74   1.1       scw 
     75   1.1       scw 	(void)spl0();
     76   1.1       scw 
     77   1.1       scw 	/*
     78   1.1       scw 	 * Now allow hardware interrupts.
     79   1.1       scw 	 */
     80   1.9     perry 	__asm volatile ("wrteei 1");
     81   1.1       scw }
     82   1.1       scw 
     83   1.1       scw /*
     84   1.1       scw  * Setup root device.
     85   1.1       scw  * Configure swap area.
     86   1.1       scw  */
     87   1.1       scw void
     88   1.1       scw cpu_rootconf(void)
     89   1.1       scw {
     90   1.1       scw 
     91   1.1       scw 	setroot(booted_device, booted_partition);
     92   1.3   thorpej }
     93   1.3   thorpej 
     94   1.3   thorpej void
     95   1.3   thorpej device_register(struct device *dev, void *aux)
     96   1.3   thorpej {
     97  1.11   thorpej 	struct device *parent = device_parent(dev);
     98   1.4   thorpej 
     99  1.12   thorpej 	if (device_is_a(dev, "com") && device_is_a(parent, "opb")) {
    100   1.4   thorpej 		/* Set the frequency of the on-chip UART. */
    101  1.14   thorpej 		prop_number_t pn = prop_number_create_integer(COM_FREQ * 6);
    102  1.14   thorpej 		KASSERT(pn != NULL);
    103   1.4   thorpej 
    104  1.14   thorpej 		if (prop_dictionary_set(device_properties(dev),
    105  1.17   thorpej 					"clock-frequency", pn) == false) {
    106  1.15   thorpej 			printf("WARNING: unable to set clock-frequency "
    107   1.5   thorpej 			    "property for %s\n", dev->dv_xname);
    108  1.14   thorpej 		}
    109  1.14   thorpej 		prop_object_release(pn);
    110   1.5   thorpej 		return;
    111   1.5   thorpej 	}
    112   1.5   thorpej 
    113  1.13   thorpej 	ibm4xx_device_register(dev, aux);
    114   1.1       scw }
    115