NetBSD/sys/dev/xmi/xmi.c

123 lines
3.8 KiB
C

/* $NetBSD: xmi.c,v 1.2 2001/11/13 06:08:32 lukem Exp $ */
/*
* Copyright (c) 2000 Ludd, University of Lule}, Sweden. 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 at Ludd, University of
* Lule}, Sweden and its contributors.
* 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.
*/
/*
* XMI specific routines.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: xmi.c,v 1.2 2001/11/13 06:08:32 lukem Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <machine/cpu.h>
#include <dev/xmi/xmireg.h>
#include <dev/xmi/xmivar.h>
static int xmi_print(void *, const char *);
struct xmi_list xmi_list[] = {
{XMIDT_KA62, 0, "ka6200"},
{XMIDT_KA64, 1, "ka6400"},
{XMIDT_KA65, 0, "ka6500"},
{XMIDT_KA66, 0, "ka6600"},
{XMIDT_MS62, 1, "ms62"},
{XMIDT_DWMBA, 1, "dwmba"},
{0,0,0}
};
int
xmi_print(void *aux, const char *name)
{
struct xmi_attach_args *xa = aux;
struct xmi_list *xl;
for (xl = &xmi_list[0]; xl->xl_nr; xl++)
if (xl->xl_nr == bus_space_read_2(xa->xa_iot, xa->xa_ioh, 0))
break;
if (name) {
if (xl->xl_nr == 0)
printf("unknown device 0x%x",
bus_space_read_2(xa->xa_iot, xa->xa_ioh, 0));
else
printf(xl->xl_name);
printf(" at %s", name);
}
printf(" node %d", xa->xa_nodenr);
return xl->xl_havedriver ? UNCONF : UNSUPP;
}
static int lastiv = 0;
void
xmi_attach(struct xmi_softc *sc)
{
struct xmi_attach_args xa;
int nodenr;
printf("\n");
xa.xa_iot = sc->sc_iot;
xa.xa_busnr = sc->sc_busnr;
xa.xa_dmat = sc->sc_dmat;
xa.xa_intcpu = sc->sc_intcpu;
/*
* Interrupt numbers. All vectors from 256-512 are free, use
* them for XMI devices and just count them up.
* Above 512 are only interrupt vectors for unibus devices.
*
* The XMI nodespace is giant in size. Only map in the first
* page here and map more (if needed) in the device itself.
*/
for (nodenr = 0; nodenr < NNODEXMI; nodenr++) {
if (bus_space_map(sc->sc_iot, sc->sc_addr + XMI_NODE(nodenr),
NBPG, 0, &xa.xa_ioh)) {
printf("xmi_attach: bus_space_map failed, node %d\n",
nodenr);
return;
}
if (badaddr((caddr_t)xa.xa_ioh, 4)) {
bus_space_unmap(sc->sc_iot, xa.xa_ioh, NBPG);
continue;
}
xa.xa_nodenr = nodenr;
xa.xa_ivec = 256 + lastiv;
lastiv += 4;
config_found(&sc->sc_dev, &xa, xmi_print);
}
}