162 lines
4.9 KiB
C
162 lines
4.9 KiB
C
/* $NetBSD: wax.c,v 1.6 2004/07/25 21:52:56 jkunz Exp $ */
|
|
|
|
/* $OpenBSD: wax.c,v 1.1 1998/11/23 03:04:10 mickey Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1998 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: wax.c,v 1.6 2004/07/25 21:52:56 jkunz Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/device.h>
|
|
#include <sys/reboot.h>
|
|
|
|
#include <machine/iomod.h>
|
|
#include <machine/autoconf.h>
|
|
|
|
#include <hp700/dev/cpudevs.h>
|
|
|
|
#include <hp700/gsc/gscbusvar.h>
|
|
|
|
#define WAX_IOMASK 0xfff00000
|
|
#define WAX_REGS 0xc000
|
|
|
|
struct wax_regs {
|
|
u_int32_t wax_irr; /* int requset register */
|
|
u_int32_t wax_imr; /* int mask register */
|
|
u_int32_t wax_ipr; /* int pending register */
|
|
u_int32_t wax_icr; /* int control register */
|
|
u_int32_t wax_iar; /* int address register */
|
|
};
|
|
|
|
struct wax_softc {
|
|
struct device sc_dv;
|
|
struct hp700_int_reg sc_int_reg;
|
|
struct wax_regs volatile *sc_regs;
|
|
};
|
|
|
|
int waxmatch(struct device *, struct cfdata *, void *);
|
|
void waxattach(struct device *, struct device *, void *);
|
|
|
|
|
|
CFATTACH_DECL(wax_mainbus, sizeof(struct wax_softc),
|
|
waxmatch, waxattach, NULL, NULL);
|
|
|
|
CFATTACH_DECL(wax_phantomas, sizeof(struct wax_softc),
|
|
waxmatch, waxattach, NULL, NULL);
|
|
|
|
/*
|
|
* Before a module is matched, this fixes up its gsc_attach_args.
|
|
*/
|
|
static void wax_fix_args(void *, struct gsc_attach_args *);
|
|
static void
|
|
wax_fix_args(void *_sc, struct gsc_attach_args *ga)
|
|
{
|
|
struct wax_softc *sc = _sc;
|
|
hppa_hpa_t module_offset;
|
|
|
|
/*
|
|
* Determine this module's interrupt bit.
|
|
*/
|
|
module_offset = ga->ga_hpa - (hppa_hpa_t) sc->sc_regs;
|
|
ga->ga_irq = HP700CF_IRQ_UNDEF;
|
|
if (module_offset == 0x1000) /* hil */
|
|
ga->ga_irq = 1;
|
|
if (module_offset == 0x2000) /* com */
|
|
ga->ga_irq = 6;
|
|
}
|
|
|
|
int
|
|
waxmatch(struct device *parent, struct cfdata *cf, void *aux)
|
|
{
|
|
struct confargs *ca = aux;
|
|
|
|
/* there will be only one */
|
|
if (cf->cf_unit > 0 ||
|
|
ca->ca_type.iodc_type != HPPA_TYPE_BHA ||
|
|
ca->ca_type.iodc_sv_model != HPPA_BHA_WAX)
|
|
return 0;
|
|
|
|
/* Make sure we have an IRQ. */
|
|
if (ca->ca_irq == HP700CF_IRQ_UNDEF) {
|
|
ca->ca_irq = hp700_intr_allocate_bit(&int_reg_cpu);
|
|
if (ca->ca_irq == HP700CF_IRQ_UNDEF) {
|
|
aprint_normal("waxmatch: Can't allocate IRQ\n");
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
void
|
|
waxattach(struct device *parent, struct device *self, void *aux)
|
|
{
|
|
struct confargs *ca = aux;
|
|
struct wax_softc *sc = (struct wax_softc *)self;
|
|
struct gsc_attach_args ga;
|
|
bus_space_handle_t ioh;
|
|
int s, in;
|
|
|
|
aprint_normal("\n");
|
|
/*
|
|
* Map the WAX interrupt registers.
|
|
*/
|
|
if (bus_space_map(ca->ca_iot, ca->ca_hpa, sizeof(struct wax_regs),
|
|
0, &ioh))
|
|
panic("waxattach: can't map interrupt registers");
|
|
sc->sc_regs = (struct wax_regs *)ca->ca_hpa;
|
|
|
|
/* interrupts guts */
|
|
s = splhigh();
|
|
sc->sc_regs->wax_iar = cpu_gethpa(0) | (31 - ca->ca_irq);
|
|
sc->sc_regs->wax_icr = 0;
|
|
sc->sc_regs->wax_imr = ~0U;
|
|
in = sc->sc_regs->wax_irr;
|
|
sc->sc_regs->wax_imr = 0;
|
|
splx(s);
|
|
|
|
/* Establish the interrupt register. */
|
|
hp700_intr_reg_establish(&sc->sc_int_reg);
|
|
sc->sc_int_reg.int_reg_mask = &sc->sc_regs->wax_imr;
|
|
sc->sc_int_reg.int_reg_req = &sc->sc_regs->wax_irr;
|
|
|
|
/* Attach the GSC bus. */
|
|
ga.ga_ca = *ca; /* clone from us */
|
|
ga.ga_name = "gsc";
|
|
ga.ga_int_reg = &sc->sc_int_reg;
|
|
ga.ga_fix_args = wax_fix_args;
|
|
ga.ga_fix_args_cookie = sc;
|
|
ga.ga_scsi_target = 7; /* XXX */
|
|
config_found(self, &ga, gscprint);
|
|
}
|