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new scsi siop drivers and zthreebus support from

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osymh@gemini.oscs.montana.edu (Michael L. Hitch)
This commit is contained in:
chopps 1994-05-12 06:00:05 +00:00
parent c1de856362
commit 4a2330f45d
3 changed files with 415 additions and 0 deletions
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175
sys/arch/amiga/dev/wesc.c Normal file
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/*
* Copyright (c) 1994 Michael L. Hitch
* Copyright (c) 1982, 1990 The Regents of the University of California.
* 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 by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* @(#)dma.c
* $Id: wesc.c,v 1.1 1994/05/12 06:00:05 chopps Exp $
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <scsi/scsi_all.h>
#include <scsi/scsiconf.h>
#include <amiga/amiga/custom.h>
#include <amiga/amiga/cc.h>
#include <amiga/amiga/device.h>
#include <amiga/dev/siopreg.h>
#include <amiga/dev/siopvar.h>
#include <amiga/dev/zthreebusvar.h>
int wescprint __P((void *auxp, char *));
void wescattach __P((struct device *, struct device *, void *));
int wescmatch __P((struct device *, struct cfdata *, void *));
struct scsi_adapter wesc_scsiswitch = {
siop_scsicmd,
siop_minphys,
0, /* no lun support */
0, /* no lun support */
siop_adinfo,
"wesc",
};
struct scsi_device wesc_scsidev = {
NULL, /* use default error handler */
NULL, /* do not have a start functio */
NULL, /* have no async handler */
NULL, /* Use default done routine */
"wesc",
0,
};
#ifdef DEBUG
#endif
struct cfdriver wesccd = {
NULL, "wesc", wescmatch, wescattach,
DV_DULL, sizeof(struct siop_softc), NULL, 0 };
/*
* if we are an MacroSystemsUS Warp Engine
*/
int
wescmatch(pdp, cdp, auxp)
struct device *pdp;
struct cfdata *cdp;
void *auxp;
{
struct zthreebus_args *zap;
zap = auxp;
if (zap->manid == 2203 && zap->prodid == 19)
return(1);
return(0);
}
void
wescattach(pdp, dp, auxp)
struct device *pdp, *dp;
void *auxp;
{
struct siop_softc *sc;
struct zthreebus_args *zap;
siop_regmap_p rp;
zap = auxp;
sc = (struct siop_softc *)dp;
sc->sc_siopp = rp = zap->va + 0x40000;
/*
* DCNTL = 37.51->50.00MHZ / SCLK/2
* CTEST7 = SC0, TT1
*/
sc->sc_clock_freq = 0x2200;
siopreset(sc);
sc->sc_link.adapter_softc = sc;
sc->sc_link.adapter_targ = 7;
sc->sc_link.adapter = &wesc_scsiswitch;
sc->sc_link.device = &wesc_scsidev;
TAILQ_INIT(&sc->sc_xslist);
custom.intreq = INTF_PORTS;
custom.intena = INTF_SETCLR | INTF_PORTS;
/*
* attach all scsi units on us
*/
config_found(dp, &sc->sc_link, wescprint);
}
/*
* print diag if pnp is NULL else just extra
*/
int
wescprint(auxp, pnp)
void *auxp;
char *pnp;
{
if (pnp == NULL)
return(UNCONF);
return(QUIET);
}
int
wesc_dmaintr()
{
siop_regmap_p rp;
struct siop_softc *dev;
int i, found;
u_char istat;
found = 0;
for (i = 0; i < wesccd.cd_ndevs; i++) {
dev = wesccd.cd_devs[i];
if (dev == NULL)
continue;
rp = dev->sc_siopp;
istat = rp->siop_istat;
if ((istat & (SIOP_ISTAT_SIP | SIOP_ISTAT_DIP)) == 0)
continue;
if ((dev->sc_flags & (SIOP_DMA | SIOP_SELECTED)) == SIOP_SELECTED)
continue; /* doing non-interrupt I/O */
found++;
dev->sc_istat = istat;
dev->sc_dstat = rp->siop_dstat;
dev->sc_sstat0 = rp->siop_sstat0;
siopintr(dev);
}
return(found);
}

189
sys/arch/amiga/dev/zthreebus.c Normal file
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/*
* Copyright (c) 1994 Michael L. Hitch
* 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 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.
*
* $Id: zthreebus.c,v 1.0
*/
#include <sys/param.h>
#include <sys/device.h>
#include <machine/cpu.h>
#include <machine/pte.h>
#include <amiga/amiga/cfdev.h>
#include <amiga/dev/zthreebusvar.h>
struct aconfdata {
char *name;
int manid;
int prodid;
};
/*
* explain the names.. 0123456789 => zothfisven
*/
struct aconfdata aconf3tab[] = {
/* MacroSystemsUS */
{ "wesc", 2203, 19},
};
int naconf3ent = sizeof(aconf3tab) / sizeof(struct aconfdata);
extern caddr_t ZTHREEADDR;
extern u_int ZTHREEAVAIL;
void zthreeattach __P((struct device *, struct device *, void *));
int zthreeprint __P((void *, char *));
int zthreematch __P((struct device *, struct cfdata *,void *));
caddr_t zthreemap __P((caddr_t, u_int));
char *aconf3lookup __P((int, int));
/*
* given a manufacturer id and product id, find the name
* that describes this board.
*/
char *
aconf3lookup(mid, pid)
int mid, pid;
{
int an;
for (an = 0; an < naconf3ent; an++) {
if (aconf3tab[an].manid == mid && aconf3tab[an].prodid == pid)
return(aconf3tab[an].name);
}
return("board");
}
/*
* mainbus driver
*/
struct cfdriver zthreebuscd = {
NULL, "zthreebus", zthreematch, zthreeattach,
DV_DULL, sizeof(struct device), NULL, 0
};
/*ARGSUSED*/
int
zthreematch(pdp, cfp, auxp)
struct device *pdp;
struct cfdata *cfp;
void *auxp;
{
if (matchname(auxp, "zthreebus"))
return(1);
return(0);
}
/*
* called to attach bus, we probe, i.e., scan configdev structs passed
* in, for each found name call config_found() which will do this again
* with that driver if matched else print a diag.
*/
void
zthreeattach(pdp, dp, auxp)
struct device *pdp, *dp;
void *auxp;
{
struct zthreebus_args za;
u_long lpa;
int i, zcnt;
#if 0
if (ZTHREEMEMADDR)
printf (" mem %08x-%08x\n",
ZTHREEMEMADDR, ZTHREEMEMADDR + ZTHREEMEMSIZE - 1);
#endif
for (i = 0; i < ncfdev; i++) {
za.pa = cfdev[i].addr;
za.size = cfdev[i].size;
/*
* check that its from zorro III space
*/
if ((u_long)za.pa >= ZTHREETOP || (u_long)za.pa < ZTHREEBASE)
continue;
za.va = (void *) (iszthreepa(za.pa) ? zthreemap(za.pa, za.size) : 0);
za.manid = cfdev[i].rom.manid;
za.prodid = cfdev[i].rom.prodid;
za.serno = cfdev[i].rom.serno;
za.slot = (((u_long)za.pa >> 16) & 0xF) - 0x9;
config_found(dp, &za, zthreeprint);
}
}
/*
* print configuration info.
*/
int
zthreeprint(auxp, pnp)
void *auxp;
char *pnp;
{
struct zthreebus_args *zap;
int rv;
rv = UNCONF;
zap = auxp;
if (pnp) {
printf("%s at %s", aconf3lookup(zap->manid, zap->prodid),
pnp);
if (zap->manid == -1)
rv = UNSUPP;
}
printf(" rom: 0x%x man/pro: %d/%d", zap->pa, zap->manid, zap->prodid);
return(rv);
}
/*
* this function is used to map Z3 physical addresses into kernel virtual
* addresses. We don't keep track which address we map where, we don't NEED
* to know this. We made sure in amiga_init.c (by scanning all available Z3
* devices) to have enough kva-space available, so there is no extra range
* check done here.
*/
caddr_t
zthreemap (pa, size)
caddr_t pa;
u_int size;
{
static caddr_t nextkva = 0;
caddr_t kva;
if (! nextkva)
nextkva = ZTHREEADDR;
if (nextkva > ZTHREEADDR + ZTHREEAVAIL)
return 0;
/* size better be an integral multiple of the page size... */
kva = nextkva;
nextkva += size;
if (nextkva > ZTHREEADDR + ZTHREEAVAIL)
panic("allocating too much Zorro III address space");
physaccess (kva, pa, size, PG_RW|PG_CI);
return kva;
}

51
sys/arch/amiga/dev/zthreebusvar.h Normal file
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/*
* Copyright (c) 1994 Michael L. Hitch
* 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 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.
*
* $Id: zthreebusvar.h,v 1.0
*/
#ifndef _ZTHREEBUSVAR_H_
#define _ZTHREEBUSVAR_H_
struct zthreebus_args {
void *pa;
void *va;
int size;
int slot;
int manid;
int prodid;
int serno;
};
caddr_t ZTHREEADDR;
#define ZTHREEBASE (0x40000000)
#define ZTHREETOP ((u_long)0x80000000)
u_int ZTHREEAVAIL; /* Amount of Zorro III address space available */
#define ZTHREESIZE btoc(ZTHREETOP-ZTHREEBASE)
#define iszthreepa(pa) ((u_int)(pa) >= ZTHREEBASE && (u_int)(pa) <= ZTHREETOP)
#endif /* _ZTHREEBUS_H_ */