132 lines
4.0 KiB
C
132 lines
4.0 KiB
C
/* $NetBSD: kftxx.c,v 1.15 2009/03/14 15:36:00 dsl Exp $ */
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/*
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* Copyright (c) 1997 by Matthew Jacob
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* NASA AMES Research Center.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice immediately at the beginning of the file, without modification,
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* this list of conditions, and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* KFTIA and KFTHA Bus Adapter Node for I/O hoses
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* found on AlphaServer 8200 and 8400 systems.
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*
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* i.e., handler for all TLSB I/O nodes.
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*/
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#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
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__KERNEL_RCSID(0, "$NetBSD: kftxx.c,v 1.15 2009/03/14 15:36:00 dsl Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <machine/autoconf.h>
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#include <machine/rpb.h>
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#include <machine/pte.h>
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#include <alpha/tlsb/tlsbreg.h>
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#include <alpha/tlsb/tlsbvar.h>
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#include <alpha/tlsb/kftxxreg.h>
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#include <alpha/tlsb/kftxxvar.h>
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#include <alpha/pci/dwlpxvar.h>
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struct kft_softc {
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struct device sc_dev;
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int sc_node; /* TLSB node */
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u_int16_t sc_dtype; /* device type */
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};
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#define KV(_addr) ((void *)ALPHA_PHYS_TO_K0SEG((_addr)))
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static int kftmatch(struct device *, struct cfdata *, void *);
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static void kftattach(struct device *, struct device *, void *);
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CFATTACH_DECL(kft, sizeof(struct kft_softc),
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kftmatch, kftattach, NULL, NULL);
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static int kftprint(void *, const char *);
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static int
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kftprint(void *aux, const char *pnp)
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{
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register struct kft_dev_attach_args *ka = aux;
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if (pnp)
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aprint_normal("%s at %s", ka->ka_name, pnp);
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aprint_normal(" hose %d", ka->ka_hosenum);
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return (UNCONF);
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}
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static int
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kftmatch(struct device *parent, struct cfdata *cf, void *aux)
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{
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struct tlsb_dev_attach_args *ta = aux;
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if (TLDEV_ISIOPORT(ta->ta_dtype))
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return (1);
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return (0);
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}
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static void
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kftattach(struct device *parent, struct device *self, void *aux)
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{
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struct tlsb_dev_attach_args *ta = aux;
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struct kft_softc *sc = (struct kft_softc *)self;
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struct kft_dev_attach_args ka;
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int hoseno;
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sc->sc_node = ta->ta_node;
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sc->sc_dtype = ta->ta_dtype;
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printf("\n");
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for (hoseno = 0; hoseno < MAXHOSE; hoseno++) {
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u_int32_t value =
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TLSB_GET_NODEREG(sc->sc_node, KFT_IDPNSEX(hoseno));
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if (value & 0x0E000000) {
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printf("%s: Hose %d IDPNSE has %x\n", self->dv_xname,
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hoseno, value);
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continue;
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}
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if ((value & 0x1) != 0x0) {
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printf("%s: Hose %d has a Bad Cable (0x%x)\n",
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self->dv_xname, hoseno, value);
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continue;
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}
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if ((value & 0x6) != 0x6) {
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if (value)
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printf("%s: Hose %d is missing PWROK (0x%x)\n",
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self->dv_xname, hoseno, value);
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continue;
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}
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ka.ka_name = "dwlpx";
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ka.ka_node = sc->sc_node;
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ka.ka_dtype = sc->sc_dtype;
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ka.ka_hosenum = hoseno;
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config_found(self, &ka, kftprint);
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}
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}
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