NetBSD/sys/arch/vax/bi/bi_nmi.c

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/* $NetBSD: bi_nmi.c,v 1.1 2000/07/26 11:47:15 ragge Exp $ */
/*
* Copyright (c) 1999 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.
*/
#include <sys/param.h>
#include <sys/device.h>
#include <sys/systm.h>
#define _VAX_BUS_DMA_PRIVATE
#include <machine/bus.h>
#include <machine/nexus.h>
#include <machine/sid.h>
#include <machine/scb.h>
#include <machine/cpu.h>
#include <machine/ka88.h>
#include <dev/bi/bivar.h>
#include <dev/bi/bireg.h>
#include "locators.h"
extern struct vax_bus_space vax_mem_bus_space;
extern struct vax_bus_dma_tag vax_bus_dma_tag;
static int
bi_nmi_match(struct device *parent, struct cfdata *cf, void *aux)
{
struct nmi_attach_args *na = aux;
if (cf->cf_loc[NMICF_SLOT] != NMICF_SLOT_DEFAULT &&
cf->cf_loc[NMICF_SLOT] != na->slot)
return 0;
if (na->slot < 10)
return 1;
return 0;
}
static void
bi_nmi_attach(struct device *parent, struct device *self, void *aux)
{
struct nmi_attach_args *na = aux;
struct bi_softc *sc = (void *)self;
volatile int *v, *v2;
extern int avail_end;
int nid;
/*
* Fill in bus specific data.
*/
sc->sc_addr = (bus_addr_t)BI_BASE(na->slot, 0);
sc->sc_iot = &vax_mem_bus_space; /* No special I/O handling */
sc->sc_dmat = &vax_bus_dma_tag; /* No special DMA handling either */
/* Must get the NBIB node number (interrupt routing) */
/*
* XXX - need a big cleanup here!
*/
v = (int *)vax_map_physmem(NBIA_REGS(na->slot/2), 1);
v[1] = v[1]; /* Clear errors */
v[0] = 0x400 | CSR0_NBIIE | CSR0_LOOP; /* XXX */
v2 = (int *)vax_map_physmem(sc->sc_addr, 1);
v2[10] = v2[10] | 0x48;
v2[8] = 0;
v2[9] = (avail_end + 0x3ffff) & (~0x3ffff);
v2[2] = v2[2];
v2[1] = v2[1] | BICSR_BROKE;
nid = v2[1] & 15;
v[0] = (v[0] & ~CSR0_LOOP);
DELAY(1000);
sc->sc_intcpu = 1 << nid;
sc->sc_lastiv = /* 0x400 * na->slot + */ 0x400;
bi_attach(sc);
}
struct cfattach bi_nmi_ca = {
sizeof(struct bi_softc), bi_nmi_match, bi_nmi_attach
};