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/* $OpenBSD: oosiop_syscon.c,v 1.5 2013/09/16 16:30:51 miod Exp $ */
/*
* Copyright (c) 2010 Miodrag Vallat.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/buf.h>
#include <scsi/scsi_all.h>
#include <scsi/scsiconf.h>
#include <machine/autoconf.h>
#include <machine/board.h>
#include <machine/bus.h>
#include <machine/av530.h>
#include <aviion/dev/sysconvar.h>
#include <dev/ic/oosiopreg.h>
#include <dev/ic/oosiopvar.h>
int oosiop_syscon_match(struct device *, void *, void *);
void oosiop_syscon_attach(struct device *, struct device *, void *);
struct oosiop_syscon_softc {
struct oosiop_softc sc_base;
struct intrhand sc_ih;
};
const struct cfattach oosiop_syscon_ca = {
sizeof(struct oosiop_syscon_softc),
oosiop_syscon_match, oosiop_syscon_attach
};
int
oosiop_syscon_match(struct device *parent, void *match, void *aux)
{
struct confargs *ca = aux;
paddr_t fuse;
switch (cpuid) {
case AVIION_4600_530:
break;
default:
return 0;
}
switch (ca->ca_paddr) {
case AV530_SCSI1:
fuse = AV530_IOFUSE0;
break;
case AV530_SCSI2:
fuse = AV530_IOFUSE1;
break;
default:
return 0;
}
/* check IOFUSE register */
if (badaddr(fuse, 1) != 0)
return 0;
/* check fuse status */
return ISSET(*(volatile uint8_t *)fuse, AV530_IOFUSE_SCSI);
}
void
oosiop_syscon_attach(struct device *parent, struct device *self, void *aux)
{
struct oosiop_syscon_softc *ssc = (struct oosiop_syscon_softc *)self;
struct oosiop_softc *sc = (struct oosiop_softc *)self;
struct confargs *ca = aux;
bus_space_handle_t ioh;
int intsrc;
if (bus_space_map(ca->ca_iot, ca->ca_paddr, OOSIOP_NREGS, 0,
&ioh) != 0) {
printf(": can't map registers\n");
return;
}
sc->sc_bst = ca->ca_iot;
sc->sc_bsh = ioh;
sc->sc_dmat = 0; /* no real use of tag yet */
sc->sc_freq = 33333333; /* XXX 25MHz models? */
sc->sc_chip = OOSIOP_700;
sc->sc_id = 7; /* XXX */
sc->sc_scntl0 = OOSIOP_SCNTL0_EPC | OOSIOP_SCNTL0_EPG;
sc->sc_dmode = OOSIOP_DMODE_BL_4;
sc->sc_dwt = 0x4f; /* maximum DMA timeout allowable */
sc->sc_ctest7 = OOSIOP_CTEST7_DC;
oosiop_attach(sc);
ssc->sc_ih.ih_fn = (int(*)(void *))oosiop_intr;
ssc->sc_ih.ih_arg = sc;
ssc->sc_ih.ih_flags = 0;
ssc->sc_ih.ih_ipl = IPL_BIO;
intsrc = ca->ca_paddr == AV530_SCSI1 ? INTSRC_SCSI1 : INTSRC_SCSI2;
sysconintr_establish(intsrc, &ssc->sc_ih, self->dv_xname);
}
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