NetBSD/sys/dev/vme/vme.c
pk f00f5d9428 Start an MI VMEbus framework.
Includes two sample drivers: IE ethernet driver (VME front-end to
dev/ic/i82586.c) and the XD disk driver, both converted from the
sparc versions.
1997-11-01 22:56:19 +00:00

104 lines
3.3 KiB
C

/* $NetBSD: vme.c,v 1.1 1997/11/01 22:56:22 pk Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Paul Kranenburg.
*
* 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.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <vm/vm.h>
#include <dev/vme/vmevar.h>
#include "locators.h"
struct vmebus_softc {
struct device sc_dev; /* base device */
struct vmebusreg *sc_reg; /* VME control registers */
struct vmebusvec *sc_vec; /* VME interrupt vector */
struct rom_range *sc_range; /* ROM range property */
int sc_nrange;
};
int vmeprint __P((void *, const char *));
int
vmeprint(args, name)
void *args;
const char *name;
{
struct vme_attach_args *va = args;
if (name)
printf("[%s at %s]", "???", name);
printf(" addr %lx", va->vma_reg[0]);
printf(" pri %x", va->vma_pri);
printf(" vec %x", va->vma_vec);
return (UNCONF);
}
int
vmesearch(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct vme_busattach_args *vba = (struct vme_busattach_args *)aux;
struct vme_attach_args vma;
int i;
vma.vma_bustag = vba->vba_bustag;
vma.vma_dmatag = vba->vba_dmatag;
vma.vma_chipset_tag = vba->vba_chipset_tag;
vma.vma_nreg = 1;
for (i = 0; i < vma.vma_nreg; i++)
/* XXX - or whatever shape this config enhancement takes on */
vma.vma_reg[0] = cf->cf_loc[VMECF_ADDR + i];
vma.vma_vec = cf->cf_loc[VMECF_VEC];
vma.vma_pri = cf->cf_loc[VMECF_PRI];
if ((*cf->cf_attach->ca_match)(parent, cf, &vma) == 0)
return (0);
config_attach(parent, cf, &vma, vmeprint);
return (0);
}