114 lines
3.4 KiB
C
114 lines
3.4 KiB
C
/* $NetBSD: autoconf.c,v 1.16 2006/10/07 14:59:53 tsutsui Exp $ */
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/*
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* Copyright (C) 1995, 1996 Wolfgang Solfrank.
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* Copyright (C) 1995, 1996 TooLs GmbH.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by TooLs GmbH.
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* 4. The name of TooLs GmbH may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.16 2006/10/07 14:59:53 tsutsui Exp $");
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#include <sys/param.h>
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#include <sys/conf.h>
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#include <sys/device.h>
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#include <sys/systm.h>
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#include <dev/ic/comreg.h> /* For COM_FREQ */
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#include <powerpc/ibm4xx/dcr405gp.h>
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#include <powerpc/ibm4xx/dev/plbvar.h>
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/*
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* List of port-specific devices to attach to the processor local bus.
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*/
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static const struct plb_dev local_plb_devs [] = {
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{ "pbus", },
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{ NULL }
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};
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/*
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* Determine device configuration for a machine.
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*/
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void
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cpu_configure(void)
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{
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intr_init();
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calc_delayconst();
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/* Make sure that timers run at CPU frequency */
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mtdcr(DCR_CPC0_CR1, mfdcr(DCR_CPC0_CR1) & ~CPC0_CR1_CETE);
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if (config_rootfound("plb", &local_plb_devs) == NULL)
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panic("configure: plb not configured");
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printf("biomask %x netmask %x ttymask %x\n",
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imask[IPL_BIO], imask[IPL_NET], imask[IPL_TTY]);
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(void)spl0();
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/*
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* Now allow hardware interrupts.
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*/
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__asm volatile ("wrteei 1");
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}
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/*
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* Setup root device.
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* Configure swap area.
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*/
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void
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cpu_rootconf(void)
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{
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setroot(booted_device, booted_partition);
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}
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void
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device_register(struct device *dev, void *aux)
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{
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struct device *parent = device_parent(dev);
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if (device_is_a(dev, "com") && device_is_a(parent, "opb")) {
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/* Set the frequency of the on-chip UART. */
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prop_number_t pn = prop_number_create_integer(COM_FREQ * 6);
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KASSERT(pn != NULL);
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if (prop_dictionary_set(device_properties(dev),
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"clock-frequency", pn) == FALSE) {
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printf("WARNING: unable to set clock-frequency "
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"property for %s\n", dev->dv_xname);
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}
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prop_object_release(pn);
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return;
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}
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ibm4xx_device_register(dev, aux);
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}
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