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      1 /*	$NetBSD: xmi_mainbus.c,v 1.9 2017/05/22 16:53:05 ragge Exp $	   */
      2 /*
      3  * Copyright (c) 2000 Ludd, University of Lule}, Sweden.
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #include <sys/cdefs.h>
     28 __KERNEL_RCSID(0, "$NetBSD: xmi_mainbus.c,v 1.9 2017/05/22 16:53:05 ragge Exp $");
     29 
     30 #define _VAX_BUS_DMA_PRIVATE
     31 
     32 #include <sys/param.h>
     33 #include <sys/bus.h>
     34 #include <sys/cpu.h>
     35 #include <sys/device.h>
     36 
     37 #include <machine/nexus.h>
     38 #include <machine/sid.h>
     39 #include <machine/scb.h>
     40 #include <machine/mainbus.h>
     41 
     42 #include <dev/xmi/xmivar.h>
     43 
     44 #include "ioconf.h"
     45 
     46 static	int xmi_mainbus_match(device_t, cfdata_t, void *);
     47 static	void xmi_mainbus_attach(device_t, device_t, void *);
     48 
     49 CFATTACH_DECL_NEW(xmi_mainbus, sizeof(struct xmi_softc),
     50     xmi_mainbus_match, xmi_mainbus_attach, NULL, NULL);
     51 
     52 extern	int mastercpu;
     53 
     54 static int
     55 xmi_mainbus_match(device_t parent, cfdata_t cf, void *aux)
     56 {
     57 	struct mainbus_attach_args * const ma = aux;
     58 
     59 	return !strcmp(xmi_cd.cd_name, ma->ma_type);
     60 }
     61 
     62 static void
     63 xmi_mainbus_attach(device_t parent, device_t self, void *aux)
     64 {
     65 	struct xmi_softc * const sc = device_private(self);
     66 	struct mainbus_attach_args * const ma = aux;
     67 
     68 	/*
     69 	 * Fill in bus specific data.
     70 	 */
     71 	sc->sc_dev = self;
     72 	sc->sc_addr = (bus_addr_t)0x21800000; /* XXX */
     73 	sc->sc_iot = ma->ma_iot;	/* No special I/O handling */
     74 	sc->sc_dmat = ma->ma_dmat;	/* No special DMA handling either */
     75 	sc->sc_intcpu = 1 << mastercpu;
     76 
     77 	xmi_attach(sc);
     78 }
     79 
     80 void
     81 xmi_intr_establish(void *icookie, int vec, void (*func)(void *), void *arg,
     82 	struct evcnt *ev)
     83 {
     84 	scb_vecalloc(vec, func, arg, SCB_ISTACK, ev);
     85 }
     86