110 lines
3.6 KiB
C
110 lines
3.6 KiB
C
/* $NetBSD: bi_nmi.c,v 1.6 2005/12/11 12:19:29 christos Exp $ */
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/*
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* Copyright (c) 1999 Ludd, University of Lule}, Sweden.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed at Ludd, University of
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* Lule}, Sweden and its contributors.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: bi_nmi.c,v 1.6 2005/12/11 12:19:29 christos Exp $");
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#include <sys/param.h>
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#include <sys/device.h>
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#include <sys/systm.h>
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#define _VAX_BUS_DMA_PRIVATE
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#include <machine/bus.h>
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#include <machine/nexus.h>
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#include <machine/sid.h>
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#include <machine/scb.h>
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#include <machine/cpu.h>
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#include <machine/ka88.h>
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#include <dev/bi/bivar.h>
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#include <dev/bi/bireg.h>
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#include "locators.h"
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extern struct vax_bus_space vax_mem_bus_space;
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extern struct vax_bus_dma_tag vax_bus_dma_tag;
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static int
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bi_nmi_match(struct device *parent, struct cfdata *cf, void *aux)
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{
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struct nmi_attach_args *na = aux;
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if (cf->cf_loc[NMICF_SLOT] != NMICF_SLOT_DEFAULT &&
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cf->cf_loc[NMICF_SLOT] != na->slot)
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return 0;
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if (na->slot < 10)
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return 1;
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return 0;
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}
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static void
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bi_nmi_attach(struct device *parent, struct device *self, void *aux)
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{
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struct nmi_attach_args *na = aux;
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struct bi_softc *sc = (void *)self;
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volatile int *v, *v2;
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extern int avail_end;
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int nid;
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/*
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* Fill in bus specific data.
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*/
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sc->sc_addr = (bus_addr_t)BI_BASE(na->slot, 0);
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sc->sc_iot = &vax_mem_bus_space; /* No special I/O handling */
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sc->sc_dmat = &vax_bus_dma_tag; /* No special DMA handling either */
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/* Must get the NBIB node number (interrupt routing) */
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/*
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* XXX - need a big cleanup here!
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*/
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v = (int *)vax_map_physmem(NBIA_REGS(na->slot/2), 1);
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v[1] = v[1]; /* Clear errors */
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v[0] = 0x400 | CSR0_NBIIE | CSR0_LOOP; /* XXX */
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v2 = (int *)vax_map_physmem(sc->sc_addr, 1);
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v2[10] = v2[10] | 0x48;
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v2[8] = 0;
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v2[9] = (avail_end + 0x3ffff) & (~0x3ffff);
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v2[2] = v2[2];
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v2[1] = v2[1] | BICSR_BROKE;
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nid = v2[1] & 15;
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v[0] = (v[0] & ~CSR0_LOOP);
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DELAY(1000);
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sc->sc_intcpu = 1 << nid;
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sc->sc_lastiv = /* 0x400 * na->slot + */ 0x400;
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bi_attach(sc);
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}
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CFATTACH_DECL(bi_nmi, sizeof(struct bi_softc),
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bi_nmi_match, bi_nmi_attach, NULL, NULL);
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