550ffff41b
Enforce -Wmissing-prototypes -Wstrict-prototypes for all ppc ports. Split out macppc cpu support and make common to mpc6xx ports. Make other mpc6xx ports use it. Add evcnts for mpc6xx traps.
173 lines
4.7 KiB
C
173 lines
4.7 KiB
C
/* $NetBSD: mainbus.c,v 1.5 2001/08/26 02:47:38 matt Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1996 Christopher G. Demetriou. 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 Christopher G. Demetriou
|
|
* for the NetBSD Project.
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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/param.h>
|
|
#include <sys/extent.h>
|
|
#include <sys/device.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/systm.h>
|
|
|
|
#include <machine/bus.h>
|
|
|
|
#include "mainbus.h"
|
|
#include "pci.h"
|
|
#include "opt_pci.h"
|
|
#include <dev/pci/pcivar.h>
|
|
#include <dev/pci/pciconf.h>
|
|
|
|
#if NCPU == 0
|
|
#error A cpu device is now required
|
|
#endif
|
|
|
|
int mainbus_match __P((struct device *, void *, void *));
|
|
void mainbus_attach __P((struct device *, struct device *, void *));
|
|
|
|
struct cfattach mainbus_ca = {
|
|
sizeof(struct device), (cfmatch_t)mainbus_match, mainbus_attach
|
|
};
|
|
|
|
int mainbus_print __P((void *, const char *));
|
|
|
|
union mainbus_attach_args {
|
|
const char *mba_busname; /* first elem of all */
|
|
struct pcibus_attach_args mba_pba;
|
|
};
|
|
|
|
/*
|
|
* Probe for the mainbus; always succeeds.
|
|
*/
|
|
int
|
|
mainbus_match(parent, match, aux)
|
|
struct device *parent;
|
|
void *match, *aux;
|
|
{
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Attach the mainbus.
|
|
*/
|
|
void
|
|
mainbus_attach(parent, self, aux)
|
|
struct device *parent, *self;
|
|
void *aux;
|
|
{
|
|
union mainbus_attach_args mba;
|
|
#if defined(PCI_NETBSD_CONFIGURE)
|
|
struct extent *ioext, *memext;
|
|
#endif
|
|
|
|
printf("\n");
|
|
|
|
/*
|
|
* Always find the CPU
|
|
*/
|
|
mba.mba_busname = "cpu";
|
|
config_found(self, &mba, mainbus_print);
|
|
|
|
/*
|
|
* XXX Note also that the presence of a PCI bus should
|
|
* XXX _always_ be checked, and if present the bus should be
|
|
* XXX 'found'. However, because of the structure of the code,
|
|
* XXX that's not currently possible.
|
|
*/
|
|
#if NPCI > 0
|
|
#if !defined(PCI_NETBSD_CONFIGURE)
|
|
/* #error Sandpoint needs PCI_NETBSD_CONFIGURE if PCI busses are defined. */
|
|
#else
|
|
ioext = extent_create("pciio", 0x00000600, 0x0000ffff, M_DEVBUF,
|
|
NULL, 0, EX_NOWAIT);
|
|
memext = extent_create("pcimem", 0x80000000, 0x8fffffff, M_DEVBUF,
|
|
NULL, 0, EX_NOWAIT);
|
|
|
|
pci_configure_bus(0, ioext, memext, NULL);
|
|
|
|
extent_destroy(ioext);
|
|
extent_destroy(memext);
|
|
#endif
|
|
|
|
mba.mba_pba.pba_busname = "pci";
|
|
mba.mba_pba.pba_iot = &sandpoint_io_bs_tag;
|
|
mba.mba_pba.pba_memt = &sandpoint_mem_bs_tag;
|
|
mba.mba_pba.pba_dmat = &pci_bus_dma_tag;
|
|
mba.mba_pba.pba_bus = 0;
|
|
mba.mba_pba.pba_pc = 0;
|
|
mba.mba_pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED;
|
|
|
|
config_found(self, &mba.mba_pba, mainbus_print);
|
|
#endif
|
|
}
|
|
|
|
static int cpu_match(struct device *, struct cfdata *, void *);
|
|
static void cpu_attach(struct device *, struct device *, void *);
|
|
|
|
struct cfattach cpu_ca = {
|
|
sizeof(struct device), cpu_match, cpu_attach
|
|
};
|
|
|
|
extern struct cfdriver cpu_cd;
|
|
|
|
int
|
|
cpu_match(struct device *parent, struct cfdata *cf, void *aux)
|
|
{
|
|
union mainbus_attach_args *mba = aux;
|
|
|
|
if (strcmp(mba->mba_busname, cpu_cd.cd_name) != 0)
|
|
return 0;
|
|
|
|
if (cpu_info_store.ci_dev != NULL)
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
void
|
|
cpu_attach(struct device *parent, struct device *self, void *aux)
|
|
{
|
|
(void) cpu_attach_common(self, 0);
|
|
}
|
|
|
|
int
|
|
mainbus_print(aux, pnp)
|
|
void *aux;
|
|
const char *pnp;
|
|
{
|
|
union mainbus_attach_args *mba = aux;
|
|
|
|
if (pnp)
|
|
printf("%s at %s", mba->mba_busname, pnp);
|
|
if (!strcmp(mba->mba_busname, "pci"))
|
|
printf(" bus %d", mba->mba_pba.pba_bus);
|
|
return (UNCONF);
|
|
}
|