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/* $OpenBSD: asp.c,v 1.3 1999/07/16 17:53:06 mickey Exp $ */
/*
* Copyright (c) 1998,1999 Michael Shalayeff
* 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 Michael Shalayeff.
* 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.
*/
/*
* References:
*
* 1. Cobra/Coral I/O Subsystem External Reference Specification
* Hewlett-Packard
*
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/reboot.h>
#include <machine/bus.h>
#include <machine/iomod.h>
#include <machine/autoconf.h>
#include <hppa/dev/cpudevs.h>
#include <hppa/dev/viper.h>
#include <hppa/gsc/gscbusvar.h>
struct asp_hwr {
u_int8_t asp_reset;
u_int8_t asp_resv[31];
u_int8_t asp_version;
u_int8_t asp_resv1[15];
u_int8_t asp_scsidsync;
u_int8_t asp_resv2[15];
u_int8_t asp_error;
};
struct asp_trs {
u_int32_t asp_irr;
u_int32_t asp_imr;
u_int32_t asp_ipr;
u_int32_t asp_icr;
u_int32_t asp_iar;
u_int32_t asp_resv[3];
u_int8_t asp_cled;
#define ASP_LEDDATA 1
#define ASP_LEDSTROBE 2
#define ASP_LEDPULSE 8
u_int8_t asp_resv1[3];
struct {
u_int :20,
asp_spu : 3, /* SPU ID board jumper */
#define ASP_SPUCOBRA 0
#define ASP_SPUCORAL 1
#define ASP_SPUBUSH 2
#define ASP_SPUHARDBALL 3
#define ASP_SPUSCORPIO 4
#define ASP_SPUCORAL2 5
asp_sw : 1, /* front switch is normal */
asp_clk : 1, /* SCSI clock is doubled */
asp_lan : 2, /* LAN iface selector */
#define ASP_LANINVAL 0
#define ASP_LANAUI 1
#define ASP_LANTHIN 2
#define ASP_LANMISS 3
asp_lanf: 1, /* LAN AUI fuse is ok */
asp_spwr: 1, /* SCSI power ok */
asp_scsi: 3; /* SCSI ctrl ID */
} _asp_ios;
#define asp_spu _asp_ios.asp_spu
#define asp_sw _asp_ios.asp_sw
#define asp_clk _asp_ios.asp_clk
#define asp_lan _asp_ios.asp_lan
#define asp_lanf _asp_ios.asp_lanf
#define asp_spwr _asp_ios.asp_spwr
#define asp_scsi _asp_ios.asp_scsi
};
struct asp_softc {
struct device sc_dev;
struct gscbus_ic sc_ic;
struct asp_hwr volatile *sc_hw;
struct asp_trs volatile *sc_trs;
u_int8_t sc_leds;
};
/* ASP "Primary Controller" HPA */
#define ASP_CHPA 0xF0800000
int aspmatch __P((struct device *, void *, void *));
void aspattach __P((struct device *, struct device *, void *));
struct cfattach asp_ca = {
sizeof(struct asp_softc), aspmatch, aspattach
};
struct cfdriver asp_cd = {
NULL, "asp", DV_DULL
};
void asp_intr_establish __P((void *v, u_int32_t mask));
void asp_intr_disestablish __P((void *v, u_int32_t mask));
u_int32_t asp_intr_check __P((void *v));
void asp_intr_ack __P((void *v, u_int32_t mask));
int
aspmatch(parent, cfdata, aux)
struct device *parent;
void *cfdata;
void *aux;
{
struct confargs *ca = aux;
/* struct cfdata *cf = cfdata; */
if (ca->ca_type.iodc_type != HPPA_TYPE_BHA ||
ca->ca_type.iodc_sv_model != HPPA_BHA_ASP)
return 0;
return 1;
}
void
aspattach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
register struct confargs *ca = aux;
register struct asp_softc *sc = (struct asp_softc *)self;
struct gsc_attach_args ga;
bus_space_handle_t ioh;
register u_int32_t irr;
register int s;
if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh)) {
#ifdef DEBUG
printf("aspattach: can't map IO space\n");
#endif
return;
}
sc->sc_trs = (struct asp_trs *)ASP_CHPA;
sc->sc_hw = (struct asp_hwr *)ca->ca_hpa;
sc->sc_leds = 0;
/* reset ASP */
/* sc->sc_hw->asp_reset = 1; */
/* delay(400000); */
s = splhigh();
viper_setintrwnd(1 << ca->ca_irq);
sc->sc_trs->asp_imr = ~0;
irr = sc->sc_trs->asp_irr;
sc->sc_trs->asp_imr = 0;
splx(s);
printf (": rev %d, spu %d, lan %d, scsi %d\n", sc->sc_hw->asp_version,
sc->sc_trs->asp_spu,sc->sc_trs->asp_lan, sc->sc_trs->asp_scsi);
sc->sc_ic.gsc_type = gsc_asp;
sc->sc_ic.gsc_dv = sc;
sc->sc_ic.gsc_intr_establish = asp_intr_establish;
sc->sc_ic.gsc_intr_disestablish = asp_intr_disestablish;
sc->sc_ic.gsc_intr_check = asp_intr_check;
sc->sc_ic.gsc_intr_ack = asp_intr_ack;
ga.ga_ca = *ca; /* clone from us */
ga.ga_name = "gsc";
ga.ga_ic = &sc->sc_ic;
config_found(self, &ga, gscprint);
}
#ifdef USELEDS
void
heartbeat(int on)
{
register struct asp_softc *sc;
sc = asp_cd.cd_devs[0];
if (asp_cd.cd_ndevs && sc) {
register u_int8_t r = sc->sc_leds ^= ASP_LEDPULSE, b;
for (b = 0x80; b; b >>= 1) {
sc->sc_trs->asp_cled = (r & b)? 1 : 0;
sc->sc_trs->asp_cled = ASP_LEDSTROBE | (r & b)? 1 : 0;
}
}
}
#endif
void
asp_intr_establish(v, mask)
void *v;
u_int32_t mask;
{
register struct asp_softc *sc = v;
sc->sc_trs->asp_imr |= mask;
}
void
asp_intr_disestablish(v, mask)
void *v;
u_int32_t mask;
{
register struct asp_softc *sc = v;
sc->sc_trs->asp_imr &= ~mask;
}
u_int32_t
asp_intr_check(v)
void *v;
{
register struct asp_softc *sc = v;
register u_int32_t irr, imr;
imr = sc->sc_trs->asp_imr;
irr = sc->sc_trs->asp_irr;
sc->sc_trs->asp_imr = imr & ~irr;
return irr;
}
void
asp_intr_ack(v, mask)
void *v;
u_int32_t mask;
{
register struct asp_softc *sc = v;
sc->sc_trs->asp_imr |= mask;
}
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