2002-05-16 05:01:28 +04:00
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/* $NetBSD: a12c.c,v 1.10 2002/05/16 01:01:31 thorpej Exp $ */
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1998-01-30 00:42:50 +03:00
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1998-03-02 09:53:34 +03:00
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/* [Notice revision 2.2]
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* Copyright (c) 1997, 1998 Avalon Computer Systems, Inc.
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1998-01-30 00:42:50 +03:00
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* All rights reserved.
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*
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* Author: Ross Harvey
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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 and
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* author notice, 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. Neither the name of Avalon Computer Systems, Inc. nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* 4. This copyright will be assigned to The NetBSD Foundation on
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* 1/1/2000 unless these terms (including possibly the assignment
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* date) are updated in writing by Avalon prior to the latest specified
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* assignment date.
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*
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* THIS SOFTWARE IS PROVIDED BY AVALON COMPUTER SYSTEMS, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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1998-03-02 09:53:34 +03:00
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AVALON OR THE CONTRIBUTORS
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1998-01-30 00:42:50 +03:00
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "opt_avalon_a12.h" /* Config options headers */
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#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
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2002-05-16 05:01:28 +04:00
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__KERNEL_RCSID(0, "$NetBSD: a12c.c,v 1.10 2002/05/16 01:01:31 thorpej Exp $");
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1998-01-30 00:42:50 +03:00
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/device.h>
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1998-03-02 09:53:34 +03:00
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2000-06-29 12:58:45 +04:00
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#include <uvm/uvm_extern.h>
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1998-01-30 00:42:50 +03:00
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#include <machine/autoconf.h>
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#include <machine/rpb.h>
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#include <dev/isa/isareg.h>
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#include <dev/isa/isavar.h>
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1998-03-02 09:53:34 +03:00
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#include <dev/dec/clockvar.h>
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1998-01-30 00:42:50 +03:00
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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1998-03-02 09:53:34 +03:00
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1998-01-30 00:42:50 +03:00
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#include <alpha/pci/a12creg.h>
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#include <alpha/pci/a12cvar.h>
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#include <alpha/pci/pci_a12.h>
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1998-03-02 09:53:34 +03:00
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#define A12C() /* Generate ctags(1) key */
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1998-01-30 00:42:50 +03:00
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int a12cmatch __P((struct device *, struct cfdata *, void *));
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void a12cattach __P((struct device *, struct device *, void *));
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struct cfattach a12c_ca = {
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sizeof(struct a12c_softc), a12cmatch, a12cattach,
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};
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extern struct cfdriver a12c_cd;
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1998-03-02 09:53:34 +03:00
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static int a12cprint __P((void *, const char *pnp));
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static const struct clocktime zeroct;
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static void noclock_init(struct device *);
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static void noclock_get(struct device *, time_t, struct clocktime *);
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static void noclock_set(struct device *, struct clocktime *);
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1998-01-30 00:42:50 +03:00
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1998-03-02 09:53:34 +03:00
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static const struct clockfns noclock_fns = {
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noclock_init, noclock_get, noclock_set
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};
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1998-01-30 00:42:50 +03:00
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/* There can be only one. */
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1998-03-02 09:53:34 +03:00
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1998-01-30 00:42:50 +03:00
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int a12cfound;
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struct a12c_config a12c_configuration;
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int
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a12cmatch(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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1998-05-14 04:01:30 +04:00
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struct mainbus_attach_args *ma = aux;
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1998-01-30 00:42:50 +03:00
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1998-03-02 09:53:34 +03:00
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return cputype == ST_AVALON_A12
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1998-05-14 04:01:30 +04:00
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&& strcmp(ma->ma_name, a12c_cd.cd_name) == 0
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1998-03-02 09:53:34 +03:00
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&& !a12cfound;
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1998-01-30 00:42:50 +03:00
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}
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void
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a12c_init(ccp, mallocsafe)
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struct a12c_config *ccp;
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int mallocsafe;
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{
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if (!ccp->ac_initted) {
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/* someday these may allocate memory, do once only */
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ccp->ac_iot = 0;
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ccp->ac_memt = a12c_bus_mem_init(ccp);
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}
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ccp->ac_mallocsafe = mallocsafe;
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a12c_pci_init(&ccp->ac_pc, ccp);
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a12c_dma_init(ccp);
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1998-03-02 09:53:34 +03:00
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1998-01-30 00:42:50 +03:00
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ccp->ac_initted = 1;
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}
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void
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a12cattach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct a12c_softc *sc = (struct a12c_softc *)self;
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struct a12c_config *ccp;
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struct pcibus_attach_args pba;
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1998-03-02 09:53:34 +03:00
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extern const struct clockfns *clockfns; /* XXX? */
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1998-01-30 00:42:50 +03:00
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/* note that we've attached the chipset; can't have 2 A12Cs. */
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a12cfound = 1;
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/*
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* set up the chipset's info; done once at console init time
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* (maybe), but we must do it here as well to take care of things
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* that need to use memory allocation.
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*/
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ccp = sc->sc_ccp = &a12c_configuration;
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a12c_init(ccp, 1);
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/* XXX print chipset information */
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2002-05-16 05:01:28 +04:00
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printf(": driver %s over logic %x\n", "$Revision: 1.10 $",
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1998-03-02 09:53:34 +03:00
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A12_ALL_EXTRACT(REGVAL(A12_VERS)));
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1998-01-30 00:42:50 +03:00
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1998-03-02 09:53:34 +03:00
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pci_a12_pickintr(ccp);
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clockfns = &noclock_fns; /* XXX? */
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1998-01-30 00:42:50 +03:00
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2001-07-13 03:25:39 +04:00
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memset(&pba, 0, sizeof(pba));
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1998-01-30 00:42:50 +03:00
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pba.pba_busname = "pci";
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pba.pba_iot = 0;
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pba.pba_memt = ccp->ac_memt;
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pba.pba_dmat = &ccp->ac_dmat_direct;
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pba.pba_pc = &ccp->ac_pc;
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pba.pba_bus = 0;
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2002-05-16 05:01:28 +04:00
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pba.pba_bridgetag = NULL;
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1999-11-04 22:15:22 +03:00
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pba.pba_flags = PCI_FLAGS_MEM_ENABLED |
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PCI_FLAGS_MRL_OKAY | PCI_FLAGS_MRM_OKAY | PCI_FLAGS_MWI_OKAY;
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1998-03-02 09:53:34 +03:00
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1998-01-30 00:42:50 +03:00
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config_found(self, &pba, a12cprint);
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1998-03-02 09:53:34 +03:00
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pba.pba_busname = "xb";
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pba.pba_bus = 1;
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config_found(self, &pba, NULL);
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pba.pba_busname = "a12dc";
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pba.pba_bus = 2;
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config_found(self, &pba, NULL);
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1998-01-30 00:42:50 +03:00
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}
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static int
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a12cprint(aux, pnp)
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void *aux;
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const char *pnp;
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{
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register struct pcibus_attach_args *pba = aux;
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/* can attach xbar or pci to a12c */
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if (pnp)
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printf("%s at %s", pba->pba_busname, pnp);
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printf(" bus %d", pba->pba_bus);
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return (UNCONF);
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}
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static void noclock_init(struct device *dev) {
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dev = dev;
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}
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1998-03-02 09:53:34 +03:00
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static void
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noclock_get(struct device *dev, time_t t, struct clocktime *ct)
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1998-01-30 00:42:50 +03:00
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{
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*ct = zeroct;
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}
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1998-03-02 09:53:34 +03:00
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static void
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noclock_set(struct device *dev, struct clocktime *ct)
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1998-01-30 00:42:50 +03:00
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{
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if(dev!=NULL)
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*ct = *ct;
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}
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