new scsi siop drivers and zthreebus support from
osymh@gemini.oscs.montana.edu (Michael L. Hitch)
This commit is contained in:
chopps
parent
c1de856362
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4a2330f45d
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/*
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* Copyright (c) 1994 Michael L. Hitch
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* Copyright (c) 1982, 1990 The Regents of the University of California.
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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 by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)dma.c
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* $Id: wesc.c,v 1.1 1994/05/12 06:00:05 chopps Exp $
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#include <scsi/scsi_all.h>
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#include <scsi/scsiconf.h>
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#include <amiga/amiga/custom.h>
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#include <amiga/amiga/cc.h>
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#include <amiga/amiga/device.h>
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#include <amiga/dev/siopreg.h>
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#include <amiga/dev/siopvar.h>
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#include <amiga/dev/zthreebusvar.h>
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int wescprint __P((void *auxp, char *));
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void wescattach __P((struct device *, struct device *, void *));
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int wescmatch __P((struct device *, struct cfdata *, void *));
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struct scsi_adapter wesc_scsiswitch = {
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siop_scsicmd,
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siop_minphys,
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0, /* no lun support */
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0, /* no lun support */
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siop_adinfo,
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"wesc",
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};
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struct scsi_device wesc_scsidev = {
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NULL, /* use default error handler */
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NULL, /* do not have a start functio */
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NULL, /* have no async handler */
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NULL, /* Use default done routine */
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"wesc",
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0,
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};
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#ifdef DEBUG
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#endif
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struct cfdriver wesccd = {
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NULL, "wesc", wescmatch, wescattach,
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DV_DULL, sizeof(struct siop_softc), NULL, 0 };
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/*
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* if we are an MacroSystemsUS Warp Engine
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*/
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int
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wescmatch(pdp, cdp, auxp)
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struct device *pdp;
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struct cfdata *cdp;
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void *auxp;
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{
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struct zthreebus_args *zap;
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zap = auxp;
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if (zap->manid == 2203 && zap->prodid == 19)
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return(1);
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return(0);
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}
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void
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wescattach(pdp, dp, auxp)
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struct device *pdp, *dp;
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void *auxp;
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{
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struct siop_softc *sc;
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struct zthreebus_args *zap;
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siop_regmap_p rp;
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zap = auxp;
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sc = (struct siop_softc *)dp;
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sc->sc_siopp = rp = zap->va + 0x40000;
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/*
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* DCNTL = 37.51->50.00MHZ / SCLK/2
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* CTEST7 = SC0, TT1
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*/
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sc->sc_clock_freq = 0x2200;
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siopreset(sc);
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sc->sc_link.adapter_softc = sc;
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sc->sc_link.adapter_targ = 7;
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sc->sc_link.adapter = &wesc_scsiswitch;
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sc->sc_link.device = &wesc_scsidev;
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TAILQ_INIT(&sc->sc_xslist);
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custom.intreq = INTF_PORTS;
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custom.intena = INTF_SETCLR | INTF_PORTS;
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/*
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* attach all scsi units on us
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*/
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config_found(dp, &sc->sc_link, wescprint);
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}
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/*
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* print diag if pnp is NULL else just extra
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*/
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int
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wescprint(auxp, pnp)
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void *auxp;
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char *pnp;
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{
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if (pnp == NULL)
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return(UNCONF);
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return(QUIET);
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}
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int
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wesc_dmaintr()
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{
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siop_regmap_p rp;
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struct siop_softc *dev;
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int i, found;
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u_char istat;
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found = 0;
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for (i = 0; i < wesccd.cd_ndevs; i++) {
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dev = wesccd.cd_devs[i];
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if (dev == NULL)
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continue;
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rp = dev->sc_siopp;
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istat = rp->siop_istat;
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if ((istat & (SIOP_ISTAT_SIP | SIOP_ISTAT_DIP)) == 0)
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continue;
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if ((dev->sc_flags & (SIOP_DMA | SIOP_SELECTED)) == SIOP_SELECTED)
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continue; /* doing non-interrupt I/O */
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found++;
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dev->sc_istat = istat;
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dev->sc_dstat = rp->siop_dstat;
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dev->sc_sstat0 = rp->siop_sstat0;
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siopintr(dev);
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}
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return(found);
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}
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@ -0,0 +1,189 @@
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/*
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* Copyright (c) 1994 Michael L. Hitch
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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 by Christian E. Hopps.
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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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* $Id: zthreebus.c,v 1.0
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*/
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#include <sys/param.h>
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#include <sys/device.h>
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#include <machine/cpu.h>
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#include <machine/pte.h>
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#include <amiga/amiga/cfdev.h>
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#include <amiga/dev/zthreebusvar.h>
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struct aconfdata {
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char *name;
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int manid;
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int prodid;
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};
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/*
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* explain the names.. 0123456789 => zothfisven
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*/
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struct aconfdata aconf3tab[] = {
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/* MacroSystemsUS */
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{ "wesc", 2203, 19},
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};
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int naconf3ent = sizeof(aconf3tab) / sizeof(struct aconfdata);
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extern caddr_t ZTHREEADDR;
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extern u_int ZTHREEAVAIL;
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void zthreeattach __P((struct device *, struct device *, void *));
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int zthreeprint __P((void *, char *));
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int zthreematch __P((struct device *, struct cfdata *,void *));
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caddr_t zthreemap __P((caddr_t, u_int));
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char *aconf3lookup __P((int, int));
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/*
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* given a manufacturer id and product id, find the name
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* that describes this board.
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*/
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char *
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aconf3lookup(mid, pid)
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int mid, pid;
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{
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int an;
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for (an = 0; an < naconf3ent; an++) {
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if (aconf3tab[an].manid == mid && aconf3tab[an].prodid == pid)
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return(aconf3tab[an].name);
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}
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return("board");
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}
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/*
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* mainbus driver
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*/
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struct cfdriver zthreebuscd = {
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NULL, "zthreebus", zthreematch, zthreeattach,
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DV_DULL, sizeof(struct device), NULL, 0
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};
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/*ARGSUSED*/
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int
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zthreematch(pdp, cfp, auxp)
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struct device *pdp;
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struct cfdata *cfp;
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void *auxp;
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{
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if (matchname(auxp, "zthreebus"))
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return(1);
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return(0);
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}
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/*
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* called to attach bus, we probe, i.e., scan configdev structs passed
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* in, for each found name call config_found() which will do this again
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* with that driver if matched else print a diag.
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*/
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void
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zthreeattach(pdp, dp, auxp)
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struct device *pdp, *dp;
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void *auxp;
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{
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struct zthreebus_args za;
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u_long lpa;
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int i, zcnt;
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#if 0
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if (ZTHREEMEMADDR)
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printf (" mem %08x-%08x\n",
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ZTHREEMEMADDR, ZTHREEMEMADDR + ZTHREEMEMSIZE - 1);
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#endif
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for (i = 0; i < ncfdev; i++) {
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za.pa = cfdev[i].addr;
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za.size = cfdev[i].size;
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/*
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* check that its from zorro III space
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*/
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if ((u_long)za.pa >= ZTHREETOP || (u_long)za.pa < ZTHREEBASE)
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continue;
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za.va = (void *) (iszthreepa(za.pa) ? zthreemap(za.pa, za.size) : 0);
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za.manid = cfdev[i].rom.manid;
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za.prodid = cfdev[i].rom.prodid;
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za.serno = cfdev[i].rom.serno;
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za.slot = (((u_long)za.pa >> 16) & 0xF) - 0x9;
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config_found(dp, &za, zthreeprint);
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}
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}
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/*
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* print configuration info.
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*/
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int
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zthreeprint(auxp, pnp)
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void *auxp;
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char *pnp;
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{
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struct zthreebus_args *zap;
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int rv;
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rv = UNCONF;
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zap = auxp;
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if (pnp) {
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printf("%s at %s", aconf3lookup(zap->manid, zap->prodid),
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pnp);
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if (zap->manid == -1)
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rv = UNSUPP;
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}
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printf(" rom: 0x%x man/pro: %d/%d", zap->pa, zap->manid, zap->prodid);
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return(rv);
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}
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/*
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* this function is used to map Z3 physical addresses into kernel virtual
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* addresses. We don't keep track which address we map where, we don't NEED
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* to know this. We made sure in amiga_init.c (by scanning all available Z3
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* devices) to have enough kva-space available, so there is no extra range
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* check done here.
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*/
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caddr_t
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zthreemap (pa, size)
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caddr_t pa;
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u_int size;
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{
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static caddr_t nextkva = 0;
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caddr_t kva;
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if (! nextkva)
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nextkva = ZTHREEADDR;
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if (nextkva > ZTHREEADDR + ZTHREEAVAIL)
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return 0;
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/* size better be an integral multiple of the page size... */
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kva = nextkva;
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nextkva += size;
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if (nextkva > ZTHREEADDR + ZTHREEAVAIL)
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panic("allocating too much Zorro III address space");
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physaccess (kva, pa, size, PG_RW|PG_CI);
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return kva;
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}
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@ -0,0 +1,51 @@
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/*
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* Copyright (c) 1994 Michael L. Hitch
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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
|
||||
* 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 by Christian E. Hopps.
|
||||
* 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.
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*
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* $Id: zthreebusvar.h,v 1.0
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*/
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#ifndef _ZTHREEBUSVAR_H_
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#define _ZTHREEBUSVAR_H_
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struct zthreebus_args {
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void *pa;
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void *va;
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int size;
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int slot;
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int manid;
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int prodid;
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int serno;
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};
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caddr_t ZTHREEADDR;
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#define ZTHREEBASE (0x40000000)
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#define ZTHREETOP ((u_long)0x80000000)
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u_int ZTHREEAVAIL; /* Amount of Zorro III address space available */
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#define ZTHREESIZE btoc(ZTHREETOP-ZTHREEBASE)
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#define iszthreepa(pa) ((u_int)(pa) >= ZTHREEBASE && (u_int)(pa) <= ZTHREETOP)
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#endif /* _ZTHREEBUS_H_ */
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