NetBSD-5.0.2/sys/arch/pmax/tc/tcbus.c
/* $NetBSD: tcbus.c,v 1.21 2008/05/26 10:31:22 nisimura Exp $ */
/*-
* Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Tohru Nishimura.
*
* 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, 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: tcbus.c,v 1.21 2008/05/26 10:31:22 nisimura Exp $");
/*
* Which system models were configured?
*/
#include "opt_dec_3max.h"
#include "opt_dec_3min.h"
#include "opt_dec_maxine.h"
#include "opt_dec_3maxplus.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/autoconf.h>
#include <machine/sysconf.h>
#define _PMAX_BUS_DMA_PRIVATE
#include <machine/bus.h>
#include <dev/tc/tcvar.h>
#include <pmax/pmax/pmaxtype.h>
static const struct evcnt *tc_ds_intr_evcnt __P((struct device *, void *));
static void tc_ds_intr_establish __P((struct device *, void *,
int, int (*)(void *), void *));
static void tc_ds_intr_disestablish __P((struct device *, void *));
static bus_dma_tag_t tc_ds_get_dma_tag __P((int));
extern struct tcbus_attach_args kn02_tc_desc[]; /* XXX */
extern struct tcbus_attach_args kmin_tc_desc[]; /* XXX */
extern struct tcbus_attach_args xine_tc_desc[]; /* XXX */
extern struct tcbus_attach_args kn03_tc_desc[]; /* XXX */
static int tcbus_match __P((struct device *, struct cfdata *, void *));
static void tcbus_attach __P((struct device *, struct device *, void *));
CFATTACH_DECL(tcbus, sizeof(struct tc_softc),
tcbus_match, tcbus_attach, NULL, NULL);
static int tcbus_found;
static int
tcbus_match(parent, cfdata, aux)
struct device *parent;
struct cfdata *cfdata;
void *aux;
{
struct mainbus_attach_args *ma = aux;
if (tcbus_found || strcmp(ma->ma_name, "tcbus"))
return 0;
return 1;
}
static void
tcbus_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct tcbus_attach_args *tba;
tcbus_found = 1;
switch (systype) {
#ifdef DEC_3MAX
case DS_3MAX:
tba = &kn02_tc_desc[0]; break;
#endif
#ifdef DEC_3MIN
case DS_3MIN:
tba = &kmin_tc_desc[0]; break;
#endif
#ifdef DEC_MAXINE
case DS_MAXINE:
tba = &xine_tc_desc[0]; break;
#endif
#ifdef DEC_3MAXPLUS
case DS_3MAXPLUS:
tba = &kn03_tc_desc[0]; break;
#endif
default:
panic("tcbus_attach: no TURBOchannel configured for systype = %d", systype);
}
tba->tba_busname = "tc";
tba->tba_memt = 0;
tba->tba_intr_evcnt = tc_ds_intr_evcnt;
tba->tba_intr_establish = tc_ds_intr_establish;
tba->tba_intr_disestablish = tc_ds_intr_disestablish;
tba->tba_get_dma_tag = tc_ds_get_dma_tag;
tcattach(parent, self, tba);
}
/*
* Dispatch to model specific interrupt line evcnt fetch rontine
*/
static const struct evcnt *
tc_ds_intr_evcnt(dev, cookie)
struct device *dev;
void *cookie;
{
/* XXX for now, no evcnt parent reported */
return NULL;
}
/*
* Dispatch to model specific interrupt establishing routine
*/
static void
tc_ds_intr_establish(dev, cookie, level, handler, val)
struct device *dev;
void *cookie;
int level;
int (*handler) __P((void *));
void *val;
{
(*platform.intr_establish)(dev, cookie, level, handler, val);
}
static void
tc_ds_intr_disestablish(dev, arg)
struct device *dev;
void *arg;
{
printf("cannot disestablish TC interrupts\n");
}
/*
* Return the DMA tag for use by the specified TURBOchannel slot.
*/
static bus_dma_tag_t
tc_ds_get_dma_tag(slot)
int slot;
{
/*
* All DECstations use the default DMA tag.
*/
return (&pmax_default_bus_dma_tag);
}
#include "wsdisplay.h"
#if NWSDISPLAY > 0
#include "sfb.h"
/* #include "sfbp.h" */
#include "cfb.h"
#include "mfb.h"
#include "tfb.h"
#include "xcfb.h"
#include "px.h"
#include "pxg.h"
#include <pmax/pmax/cons.h>
#include <machine/dec_prom.h>
int tc_checkslot __P((tc_addr_t, char *));
struct cnboards {
const char *cb_tcname;
void (*cb_cnattach)(tc_addr_t);
} static const cnboards[] = {
#if NXCFB > 0
{ "PMAG-DV ", xcfb_cnattach },
#endif
#if NSFB > 0
{ "PMAGB-BA", sfb_cnattach },
#endif
#if NSFBP > 0
{ "PMAGD ", sfbp_cnattach },
#endif
#if NCFB > 0
{ "PMAG-BA ", cfb_cnattach },
#endif
#if NMFB > 0
{ "PMAG-AA ", mfb_cnattach },
#endif
#if NTFB > 0
{ "PMAG-JA ", tfb_cnattach },
#endif
#if NPX > 0
{ "PMAG-CA ", px_cnattach },
#endif
#if NPXG > 0
{ "PMAG-DA ", pxg_cnattach },
{ "PMAG-FA ", pxg_cnattach },
{ "PMAG-FB ", pxg_cnattach },
{ "PMAGB-FA", pxg_cnattach },
{ "PMAGB-FB", pxg_cnattach },
#endif
};
int
tcfb_cnattach(slotno)
int slotno;
{
paddr_t tcaddr;
char tcname[TC_ROM_LLEN];
int i;
tcaddr = (*callv->_slot_address)(slotno);
if (tc_badaddr(tcaddr) || tc_checkslot(tcaddr, tcname) == 0)
panic("TC console designated by PROM does not exist!?");
for (i = 0; i < sizeof(cnboards) / sizeof(cnboards[0]); i++)
if (strncmp(tcname, cnboards[i].cb_tcname, TC_ROM_LLEN) == 0)
break;
if (i == sizeof(cnboards) / sizeof(cnboards[0]))
return (0);
(cnboards[i].cb_cnattach)((tc_addr_t)TC_PHYS_TO_UNCACHED(tcaddr));
return (1);
}
#endif /* NWSDISPLAY */