NetBSD/sys/arch/mvme68k/dev/mainbus.c

197 lines
5.0 KiB
C

/* $NetBSD: mainbus.c,v 1.7 2000/12/03 15:37:46 scw Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Steve C. Woodford
*
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
/*
* Derived from the mainbus code in mvme68k/autoconf.c by Chuck Cranor.
*/
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/device.h>
#define _MVME68K_BUS_DMA_PRIVATE
#define _MVME68K_BUS_SPACE_PRIVATE
#include <machine/bus.h>
#undef _MVME68K_BUS_DMA_PRIVATE
#undef _MVME68K_BUS_SPACE_PRIVATE
#include <machine/cpu.h>
#include <mvme68k/dev/mainbus.h>
void mainbus_attach __P((struct device *, struct device *, void *));
int mainbus_match __P((struct device *, struct cfdata *, void *));
int mainbus_print __P((void *, const char *));
struct cfattach mainbus_ca = {
sizeof(struct device), mainbus_match, mainbus_attach
};
struct mainbus_devices {
const char *md_name;
bus_addr_t md_offset;
};
#ifdef MVME147
static struct mainbus_devices mainbusdevs_147[] = {
{"pcc", MAINBUS_PCC_OFFSET},
{NULL, 0}
};
#endif
#if defined(MVME162) || defined(MVME167) || defined(MVME172) || defined(MVME177)
static struct mainbus_devices mainbusdevs_1x7[] = {
{"pcctwo", MAINBUS_PCCTWO_OFFSET},
{"vmetwo", MAINBUS_VMETWO_OFFSET},
{NULL, 0}
};
#endif
struct mvme68k_bus_dma_tag _mainbus_dma_tag = {
NULL,
_bus_dmamap_create,
_bus_dmamap_destroy,
_bus_dmamap_load_direct,
_bus_dmamap_load_mbuf_direct,
_bus_dmamap_load_uio_direct,
_bus_dmamap_load_raw_direct,
_bus_dmamap_unload,
NULL, /* Set up at run-time */
_bus_dmamem_alloc,
_bus_dmamem_free,
_bus_dmamem_map,
_bus_dmamem_unmap,
_bus_dmamem_mmap
};
struct mvme68k_bus_space_tag _mainbus_space_tag = {
NULL,
_bus_space_map,
_bus_space_unmap,
_bus_space_peek_1,
_bus_space_peek_2,
_bus_space_peek_4,
_bus_space_poke_1,
_bus_space_poke_2,
_bus_space_poke_4
};
/* ARGSUSED */
int
mainbus_match(parent, cf, args)
struct device *parent;
struct cfdata *cf;
void *args;
{
static int mainbus_matched;
if (mainbus_matched)
return (0);
return ((mainbus_matched = 1));
}
/* ARGSUSED */
void
mainbus_attach(parent, self, args)
struct device *parent;
struct device *self;
void *args;
{
struct mainbus_attach_args ma;
struct mainbus_devices *devices;
int i;
printf("\n");
/*
* Attach children appropriate for this CPU.
*/
switch (machineid) {
#ifdef MVME147
case MVME_147:
devices = mainbusdevs_147;
_mainbus_dma_tag._dmamap_sync = _bus_dmamap_sync_030;
break;
#endif
#if defined(MVME162) || defined(MVME167) || defined(MVME172) || defined(MVME177)
case MVME_162:
case MVME_167:
case MVME_172:
case MVME_177:
devices = mainbusdevs_1x7;
_mainbus_dma_tag._dmamap_sync = _bus_dmamap_sync_0460;
break;
#endif
default:
panic("mainbus_attach: impossible CPU type");
}
for (i = 0; devices[i].md_name != NULL; ++i) {
ma.ma_name = devices[i].md_name;
ma.ma_dmat = &_mainbus_dma_tag;
ma.ma_bust = &_mainbus_space_tag;
ma.ma_offset = devices[i].md_offset + intiobase_phys;
(void) config_found(self, &ma, mainbus_print);
}
}
int
mainbus_print(aux, cp)
void *aux;
const char *cp;
{
struct mainbus_attach_args *ma;
ma = aux;
if (cp)
printf("%s at %s", ma->ma_name, cp);
printf(" offset 0x%lx", ma->ma_offset - intiobase_phys);
return (UNCONF);
}