125 lines
3.8 KiB
C
125 lines
3.8 KiB
C
/* $NetBSD: xmi.c,v 1.5 2003/04/01 02:08:01 thorpej Exp $ */
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/*
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* Copyright (c) 2000 Ludd, University of Lule}, Sweden. 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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/*
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* XMI specific routines.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: xmi.c,v 1.5 2003/04/01 02:08:01 thorpej Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <uvm/uvm_extern.h>
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#include <machine/bus.h>
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#include <machine/cpu.h>
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#include <dev/xmi/xmireg.h>
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#include <dev/xmi/xmivar.h>
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static int xmi_print(void *, const char *);
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struct xmi_list xmi_list[] = {
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{XMIDT_KA62, 0, "ka6200"},
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{XMIDT_KA64, 1, "ka6400"},
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{XMIDT_KA65, 0, "ka6500"},
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{XMIDT_KA66, 0, "ka6600"},
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{XMIDT_MS62, 1, "ms62"},
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{XMIDT_DWMBA, 1, "dwmba"},
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{0,0,0}
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};
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int
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xmi_print(void *aux, const char *name)
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{
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struct xmi_attach_args *xa = aux;
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struct xmi_list *xl;
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for (xl = &xmi_list[0]; xl->xl_nr; xl++)
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if (xl->xl_nr == bus_space_read_2(xa->xa_iot, xa->xa_ioh, 0))
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break;
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if (name) {
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if (xl->xl_nr == 0)
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aprint_normal("unknown device 0x%x",
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bus_space_read_2(xa->xa_iot, xa->xa_ioh, 0));
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else
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aprint_normal(xl->xl_name);
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aprint_normal(" at %s", name);
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}
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aprint_normal(" node %d", xa->xa_nodenr);
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return xl->xl_havedriver ? UNCONF : UNSUPP;
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}
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static int lastiv = 0;
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void
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xmi_attach(struct xmi_softc *sc)
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{
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struct xmi_attach_args xa;
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int nodenr;
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printf("\n");
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xa.xa_iot = sc->sc_iot;
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xa.xa_busnr = sc->sc_busnr;
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xa.xa_dmat = sc->sc_dmat;
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xa.xa_intcpu = sc->sc_intcpu;
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/*
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* Interrupt numbers. All vectors from 256-512 are free, use
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* them for XMI devices and just count them up.
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* Above 512 are only interrupt vectors for unibus devices.
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*
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* The XMI nodespace is giant in size. Only map in the first
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* page here and map more (if needed) in the device itself.
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*/
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for (nodenr = 0; nodenr < NNODEXMI; nodenr++) {
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if (bus_space_map(sc->sc_iot, sc->sc_addr + XMI_NODE(nodenr),
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PAGE_SIZE, 0, &xa.xa_ioh)) {
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printf("xmi_attach: bus_space_map failed, node %d\n",
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nodenr);
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return;
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}
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if (badaddr((caddr_t)xa.xa_ioh, 4)) {
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bus_space_unmap(sc->sc_iot, xa.xa_ioh, PAGE_SIZE);
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continue;
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}
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xa.xa_nodenr = nodenr;
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xa.xa_ivec = 256 + lastiv;
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lastiv += 4;
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config_found(&sc->sc_dev, &xa, xmi_print);
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}
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}
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