NetBSD/sys/arch/alpha/tlsb/kftxx.c

141 lines
4.1 KiB
C

/* $NetBSD: kftxx.c,v 1.9 1998/05/14 00:01:32 thorpej Exp $ */
/*
* Copyright (c) 1997 by Matthew Jacob
* NASA AMES Research Center.
* 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 immediately at the beginning of the file, without modification,
* 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. 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 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 AUTHOR 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.
*/
/*
* KFTIA and KFTHA Bus Adapter Node for I/O hoses
* found on AlphaServer 8200 and 8400 systems.
*
* i.e., handler for all TLSB I/O nodes.
*/
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: kftxx.c,v 1.9 1998/05/14 00:01:32 thorpej Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <machine/autoconf.h>
#include <machine/rpb.h>
#include <machine/pte.h>
#include <alpha/tlsb/tlsbreg.h>
#include <alpha/tlsb/tlsbvar.h>
#include <alpha/tlsb/kftxxreg.h>
#include <alpha/tlsb/kftxxvar.h>
#include <alpha/pci/dwlpxvar.h>
struct kft_softc {
struct device sc_dev;
int sc_node; /* TLSB node */
u_int16_t sc_dtype; /* device type */
};
#define KV(_addr) ((caddr_t)ALPHA_PHYS_TO_K0SEG((_addr)))
static int kftmatch __P((struct device *, struct cfdata *, void *));
static void kftattach __P((struct device *, struct device *, void *));
struct cfattach kft_ca = {
sizeof(struct kft_softc), kftmatch, kftattach
};
static int kftprint __P((void *, const char *));
static int
kftprint(aux, pnp)
void *aux;
const char *pnp;
{
register struct kft_dev_attach_args *ka = aux;
if (pnp)
printf("%s at %s", ka->ka_name, pnp);
printf(" hose %d", ka->ka_hosenum);
return (UNCONF);
}
static int
kftmatch(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct tlsb_dev_attach_args *ta = aux;
if (TLDEV_ISIOPORT(ta->ta_dtype))
return (1);
return (0);
}
static void
kftattach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
struct tlsb_dev_attach_args *ta = aux;
struct kft_softc *sc = (struct kft_softc *)self;
struct kft_dev_attach_args ka;
int hoseno;
sc->sc_node = ta->ta_node;
sc->sc_dtype = ta->ta_dtype;
printf("\n");
for (hoseno = 0; hoseno < MAXHOSE; hoseno++) {
u_int32_t value =
TLSB_GET_NODEREG(sc->sc_node, KFT_IDPNSEX(hoseno));
if (value & 0x0E000000) {
printf("%s: Hose %d IDPNSE has %x\n", self->dv_xname,
hoseno, value);
continue;
}
if ((value & 0x1) != 0x0) {
printf("%s: Hose %d has a Bad Cable (0x%x)\n",
self->dv_xname, hoseno, value);
continue;
}
if ((value & 0x6) != 0x6) {
if (value)
printf("%s: Hose %d is missing PWROK (0x%x)\n",
self->dv_xname, hoseno, value);
continue;
}
ka.ka_name = "dwlpx";
ka.ka_node = sc->sc_node;
ka.ka_dtype = sc->sc_dtype;
ka.ka_hosenum = hoseno;
config_found(self, &ka, kftprint);
}
}