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/* $OpenBSD: pluto.c,v 1.2 2005/05/22 01:38:09 mickey Exp $ */
/*
* Copyright (c) 2005 Michael Shalayeff
* All rights reserved.
*
* 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 MIND, 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.
*/
/* TODO IOA programming */
#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 <machine/bus.h>
#include <arch/hppa/dev/cpudevs.h>
struct pluto_regs {
u_int32_t version; /* 0x000: version */
u_int32_t pad00;
u_int32_t ctrl; /* 0x008: control register */
#define PLUTO_CTRL_TOC 0x0001 /* enable toc */
#define PLUTO_CTRL_COE 0x0002 /* enable coalescing */
#define PLUTO_CTRL_DIE 0x0004 /* enable dillon */
#define PLUTO_CTRL_RM 0x0010 /* real mode */
#define PLUTO_CTRL_NCO 0x0020 /* non-coherent mode */
u_int32_t pad08;
u_int32_t resv0[(0x200-0x10)/4];
u_int64_t rope0; /* 0x200: */
u_int64_t rope1;
u_int64_t rope2;
u_int64_t rope3;
u_int64_t rope4;
u_int64_t rope5;
u_int64_t rope6;
u_int64_t rope7;
u_int32_t resv1[(0x100-0x40)/4];
u_int64_t ibase;
u_int64_t imask;
u_int64_t pcom;
u_int64_t tconf;
u_int64_t pdir;
} __packed;
struct pluto_softc {
struct device sc_dv;
volatile struct pluto_regs *sc_regs;
struct confargs sc_ca;
};
int plutomatch(struct device *, void *, void *);
void plutoattach(struct device *, struct device *, void *);
struct cfattach plut_ca = {
sizeof(struct pluto_softc), plutomatch, plutoattach
};
void pluto_scan(struct device *self);
struct cfdriver plut_cd = {
NULL, "plut", DV_DULL
};
int
plutomatch(parent, cfdata, aux)
struct device *parent;
void *cfdata;
void *aux;
{
struct confargs *ca = aux;
/* struct cfdata *cf = cfdata; */
if ((ca->ca_name && !strcmp(ca->ca_name, "sba")) ||
(ca->ca_type.iodc_type == HPPA_TYPE_IOA &&
ca->ca_type.iodc_sv_model == HPPA_IOA_PLUTO) ||
(ca->ca_type.iodc_type == HPPA_TYPE_IOA &&
ca->ca_type.iodc_sv_model == HPPA_IOA_UTURN &&
ca->ca_type.iodc_model == 0x58 &&
ca->ca_type.iodc_revision >= 0x20))
return 1;
return 0;
}
void
plutoattach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
struct confargs *ca = aux;
struct pluto_softc *sc = (struct pluto_softc *)self;
struct pluto_regs volatile *r;
bus_space_handle_t ioh;
u_int32_t ver;
char buf[16];
if (bus_space_map(ca->ca_iot, ca->ca_hpa, ca->ca_hpasz, 0, &ioh)) {
printf(": can't map IO space\n");
return;
}
sc->sc_regs = r = (void *)bus_space_vaddr(ca->ca_iot, ioh);
/* r->ctrl = PLUTO_CTRL_RM|PLUTO_CTRL_TOC; */
ver = letoh32(r->version);
switch ((ca->ca_type.iodc_model << 4) |
(ca->ca_type.iodc_revision >> 4)) {
case 0x582:
case 0x780:
snprintf(buf, sizeof(buf), "Astro rev %d.%d",
(ver & 7) + 1, (ver >> 3) & 3);
break;
case 0x803:
case 0x781:
snprintf(buf, sizeof(buf), "Ike rev %d", ver & 0xff);
break;
case 0x804:
case 0x782:
snprintf(buf, sizeof(buf), "Reo rev %d", ver & 0xff);
break;
case 0x880:
case 0x784:
snprintf(buf, sizeof(buf), "Pluto rev %d.%d",
(ver >> 4) & 0xf, ver & 0xf);
break;
default:
snprintf(buf, sizeof(buf), "Fluffy rev 0x%x", ver);
break;
}
printf(": %s\n", buf);
sc->sc_ca = *ca; /* clone from us */
config_defer(self, &pluto_scan);
}
void
pluto_scan(struct device *self)
{
struct pluto_softc *sc = (struct pluto_softc *)self;
pdc_scan(self, &sc->sc_ca);
}
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