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/* $OpenBSD: raven.c,v 1.6 2004/05/14 20:38:32 miod Exp $ */
/*
* Copyright (c) 2001 Steve Murphree, Jr.
*
* 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 under OpenBSD for RTMX Inc
* by Per Fogelstrom, Opsycon AB.
* 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.
*
*/
/*
* Motorola 'Raven' ASIC driver.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <uvm/uvm_extern.h>
#include <machine/autoconf.h>
#include <mvmeppc/dev/ravenreg.h>
#include <mvmeppc/dev/ravenvar.h>
int raven_match(struct device *, void *, void *);
void raven_attach(struct device *, struct device *, void *);
struct cfattach raven_ca = {
sizeof(struct raven_softc), raven_match, raven_attach,
};
struct cfdriver raven_cd = {
NULL, "raven", DV_DULL,
};
int
raven_match(struct device *parent, void *match, void *aux)
{
struct confargs *ca = aux;
void *va;
u_int32_t probe;
if (strcmp(ca->ca_name, raven_cd.cd_name) != 0)
return 0;
if ((va = mapiodev((paddr_t)RAVEN_BASE, RAVEN_SIZE)) == NULL)
return 0;
/* check for a live address */
if (badaddr(va, 4) != 0) {
unmapiodev(va, RAVEN_SIZE);
return 0;
}
/* now check and see if it's a raven ASIC */
probe = *(u_int32_t*)va;
unmapiodev((void *)va, RAVEN_SIZE);
if (probe != RAVEN_MAGIC)
return 0;
return 1;
}
/* need to be global for mpcpcibr.c - XXX */
u_int8_t *ravenregs;
void
raven_attach(struct device *parent, struct device *self, void *aux)
{
struct raven_softc *sc = (void *)self;
/*
* Map Raven registers and MPCIC
*
* XXX steal them from devio_ex as well!
*/
ravenregs = sc->sc_regs = mapiodev((paddr_t)RAVEN_BASE, RAVEN_SIZE);
if (sc->sc_regs == NULL) {
printf(": can't map registers!\n");
return;
}
/* set system type */
system_type = MVME; /* We are a Motorola MVME SBC */
printf(": version 0x%x\n", sc->sc_regs[RAVEN_REVID]);
while (config_found(self, NULL, NULL))
;
}
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