540dfe3a95
- abandon and remove my copyright notice from the three files were copied in order to adapt HW I don't have; pvr.c, pm.c and stic.c
255 lines
6.1 KiB
C
255 lines
6.1 KiB
C
/* $NetBSD: tcbus.c,v 1.21 2008/05/26 10:31:22 nisimura Exp $ */
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/*-
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* Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Tohru Nishimura.
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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, 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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, 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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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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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 <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: tcbus.c,v 1.21 2008/05/26 10:31:22 nisimura Exp $");
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/*
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* Which system models were configured?
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*/
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#include "opt_dec_3max.h"
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#include "opt_dec_3min.h"
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#include "opt_dec_maxine.h"
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#include "opt_dec_3maxplus.h"
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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 <machine/autoconf.h>
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#include <machine/sysconf.h>
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#define _PMAX_BUS_DMA_PRIVATE
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#include <machine/bus.h>
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#include <dev/tc/tcvar.h>
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#include <pmax/pmax/pmaxtype.h>
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static const struct evcnt *tc_ds_intr_evcnt __P((struct device *, void *));
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static void tc_ds_intr_establish __P((struct device *, void *,
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int, int (*)(void *), void *));
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static void tc_ds_intr_disestablish __P((struct device *, void *));
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static bus_dma_tag_t tc_ds_get_dma_tag __P((int));
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extern struct tcbus_attach_args kn02_tc_desc[]; /* XXX */
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extern struct tcbus_attach_args kmin_tc_desc[]; /* XXX */
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extern struct tcbus_attach_args xine_tc_desc[]; /* XXX */
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extern struct tcbus_attach_args kn03_tc_desc[]; /* XXX */
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static int tcbus_match __P((struct device *, struct cfdata *, void *));
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static void tcbus_attach __P((struct device *, struct device *, void *));
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CFATTACH_DECL(tcbus, sizeof(struct tc_softc),
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tcbus_match, tcbus_attach, NULL, NULL);
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static int tcbus_found;
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static int
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tcbus_match(parent, cfdata, aux)
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struct device *parent;
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struct cfdata *cfdata;
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void *aux;
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{
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struct mainbus_attach_args *ma = aux;
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if (tcbus_found || strcmp(ma->ma_name, "tcbus"))
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return 0;
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return 1;
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}
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static void
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tcbus_attach(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 tcbus_attach_args *tba;
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tcbus_found = 1;
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switch (systype) {
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#ifdef DEC_3MAX
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case DS_3MAX:
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tba = &kn02_tc_desc[0]; break;
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#endif
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#ifdef DEC_3MIN
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case DS_3MIN:
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tba = &kmin_tc_desc[0]; break;
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#endif
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#ifdef DEC_MAXINE
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case DS_MAXINE:
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tba = &xine_tc_desc[0]; break;
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#endif
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#ifdef DEC_3MAXPLUS
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case DS_3MAXPLUS:
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tba = &kn03_tc_desc[0]; break;
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#endif
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default:
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panic("tcbus_attach: no TURBOchannel configured for systype = %d", systype);
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}
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tba->tba_busname = "tc";
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tba->tba_memt = 0;
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tba->tba_intr_evcnt = tc_ds_intr_evcnt;
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tba->tba_intr_establish = tc_ds_intr_establish;
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tba->tba_intr_disestablish = tc_ds_intr_disestablish;
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tba->tba_get_dma_tag = tc_ds_get_dma_tag;
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tcattach(parent, self, tba);
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}
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/*
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* Dispatch to model specific interrupt line evcnt fetch rontine
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*/
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static const struct evcnt *
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tc_ds_intr_evcnt(dev, cookie)
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struct device *dev;
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void *cookie;
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{
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/* XXX for now, no evcnt parent reported */
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return NULL;
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}
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/*
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* Dispatch to model specific interrupt establishing routine
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*/
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static void
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tc_ds_intr_establish(dev, cookie, level, handler, val)
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struct device *dev;
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void *cookie;
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int level;
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int (*handler) __P((void *));
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void *val;
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{
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(*platform.intr_establish)(dev, cookie, level, handler, val);
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}
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static void
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tc_ds_intr_disestablish(dev, arg)
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struct device *dev;
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void *arg;
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{
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printf("cannot disestablish TC interrupts\n");
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}
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/*
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* Return the DMA tag for use by the specified TURBOchannel slot.
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*/
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static bus_dma_tag_t
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tc_ds_get_dma_tag(slot)
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int slot;
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{
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/*
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* All DECstations use the default DMA tag.
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*/
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return (&pmax_default_bus_dma_tag);
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}
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#include "wsdisplay.h"
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#if NWSDISPLAY > 0
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#include "sfb.h"
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/* #include "sfbp.h" */
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#include "cfb.h"
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#include "mfb.h"
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#include "tfb.h"
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#include "xcfb.h"
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#include "px.h"
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#include "pxg.h"
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#include <pmax/pmax/cons.h>
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#include <machine/dec_prom.h>
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int tc_checkslot __P((tc_addr_t, char *));
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struct cnboards {
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const char *cb_tcname;
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void (*cb_cnattach)(tc_addr_t);
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} static const cnboards[] = {
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#if NXCFB > 0
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{ "PMAG-DV ", xcfb_cnattach },
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#endif
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#if NSFB > 0
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{ "PMAGB-BA", sfb_cnattach },
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#endif
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#if NSFBP > 0
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{ "PMAGD ", sfbp_cnattach },
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#endif
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#if NCFB > 0
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{ "PMAG-BA ", cfb_cnattach },
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#endif
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#if NMFB > 0
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{ "PMAG-AA ", mfb_cnattach },
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#endif
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#if NTFB > 0
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{ "PMAG-JA ", tfb_cnattach },
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#endif
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#if NPX > 0
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{ "PMAG-CA ", px_cnattach },
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#endif
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#if NPXG > 0
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{ "PMAG-DA ", pxg_cnattach },
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{ "PMAG-FA ", pxg_cnattach },
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{ "PMAG-FB ", pxg_cnattach },
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{ "PMAGB-FA", pxg_cnattach },
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{ "PMAGB-FB", pxg_cnattach },
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#endif
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};
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int
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tcfb_cnattach(slotno)
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int slotno;
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{
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paddr_t tcaddr;
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char tcname[TC_ROM_LLEN];
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int i;
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tcaddr = (*callv->_slot_address)(slotno);
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if (tc_badaddr(tcaddr) || tc_checkslot(tcaddr, tcname) == 0)
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panic("TC console designated by PROM does not exist!?");
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for (i = 0; i < sizeof(cnboards) / sizeof(cnboards[0]); i++)
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if (strncmp(tcname, cnboards[i].cb_tcname, TC_ROM_LLEN) == 0)
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break;
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if (i == sizeof(cnboards) / sizeof(cnboards[0]))
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return (0);
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(cnboards[i].cb_cnattach)((tc_addr_t)TC_PHYS_TO_UNCACHED(tcaddr));
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return (1);
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}
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#endif /* NWSDISPLAY */
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