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tcbus.c revision 1.28.12.1
      1  1.28.12.1       tls /*	$NetBSD: tcbus.c,v 1.28.12.1 2012/11/20 03:01:38 tls Exp $	*/
      2        1.1  nisimura 
      3       1.21  nisimura /*-
      4       1.21  nisimura  * Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
      5       1.21  nisimura  * All rights reserved.
      6       1.21  nisimura  *
      7       1.21  nisimura  * This code is derived from software contributed to The NetBSD Foundation
      8       1.21  nisimura  * by Tohru Nishimura.
      9        1.1  nisimura  *
     10        1.1  nisimura  * Redistribution and use in source and binary forms, with or without
     11        1.1  nisimura  * modification, are permitted provided that the following conditions
     12        1.1  nisimura  * are met:
     13        1.1  nisimura  * 1. Redistributions of source code must retain the above copyright
     14        1.1  nisimura  *    notice, this list of conditions and the following disclaimer.
     15        1.1  nisimura  * 2. Redistributions in binary form must reproduce the above copyright
     16        1.1  nisimura  *    notice, this list of conditions and the following disclaimer in the
     17        1.1  nisimura  *    documentation and/or other materials provided with the distribution.
     18        1.1  nisimura  *
     19       1.21  nisimura  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20       1.21  nisimura  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21       1.21  nisimura  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22       1.21  nisimura  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23       1.21  nisimura  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24       1.21  nisimura  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25       1.21  nisimura  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26       1.21  nisimura  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27       1.21  nisimura  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28       1.21  nisimura  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29       1.21  nisimura  * POSSIBILITY OF SUCH DAMAGE.
     30        1.1  nisimura  */
     31        1.1  nisimura 
     32       1.21  nisimura #include <sys/cdefs.h>
     33  1.28.12.1       tls __KERNEL_RCSID(0, "$NetBSD: tcbus.c,v 1.28.12.1 2012/11/20 03:01:38 tls Exp $");
     34       1.10  nisimura 
     35       1.28      matt #define	_PMAX_BUS_DMA_PRIVATE
     36       1.10  nisimura /*
     37       1.10  nisimura  * Which system models were configured?
     38       1.10  nisimura  */
     39       1.10  nisimura #include "opt_dec_3max.h"
     40       1.10  nisimura #include "opt_dec_3min.h"
     41       1.10  nisimura #include "opt_dec_maxine.h"
     42       1.10  nisimura #include "opt_dec_3maxplus.h"
     43        1.1  nisimura 
     44        1.1  nisimura #include <sys/param.h>
     45       1.28      matt #include <sys/bus.h>
     46       1.28      matt #include <sys/device.h>
     47        1.1  nisimura #include <sys/systm.h>
     48        1.1  nisimura 
     49       1.28      matt #include <pmax/autoconf.h>
     50       1.28      matt #include <pmax/sysconf.h>
     51        1.1  nisimura 
     52        1.1  nisimura #include <dev/tc/tcvar.h>
     53        1.1  nisimura #include <pmax/pmax/pmaxtype.h>
     54        1.1  nisimura 
     55  1.28.12.1       tls static const struct evcnt *tc_ds_intr_evcnt(device_t, void *);
     56  1.28.12.1       tls static void	tc_ds_intr_establish(device_t, void *,
     57       1.22       dsl 				int, int (*)(void *), void *);
     58  1.28.12.1       tls static void	tc_ds_intr_disestablish(device_t, void *);
     59       1.22       dsl static bus_dma_tag_t tc_ds_get_dma_tag(int);
     60        1.1  nisimura 
     61        1.5    simonb extern struct tcbus_attach_args kn02_tc_desc[];	/* XXX */
     62        1.5    simonb extern struct tcbus_attach_args kmin_tc_desc[];	/* XXX */
     63        1.5    simonb extern struct tcbus_attach_args xine_tc_desc[];	/* XXX */
     64        1.5    simonb extern struct tcbus_attach_args kn03_tc_desc[];	/* XXX */
     65        1.1  nisimura 
     66       1.27   tsutsui static int	tcbus_match(device_t, cfdata_t, void *);
     67       1.27   tsutsui static void	tcbus_attach(device_t, device_t, void *);
     68        1.1  nisimura 
     69       1.27   tsutsui CFATTACH_DECL_NEW(tcbus, sizeof(struct tc_softc),
     70       1.16   thorpej     tcbus_match, tcbus_attach, NULL, NULL);
     71        1.1  nisimura 
     72        1.1  nisimura static int tcbus_found;
     73        1.1  nisimura 
     74       1.10  nisimura static int
     75       1.27   tsutsui tcbus_match(device_t parent, cfdata_t cf, void *aux)
     76        1.1  nisimura {
     77        1.1  nisimura 	struct mainbus_attach_args *ma = aux;
     78        1.1  nisimura 
     79        1.1  nisimura 	if (tcbus_found || strcmp(ma->ma_name, "tcbus"))
     80        1.1  nisimura 		return 0;
     81        1.1  nisimura 
     82        1.1  nisimura 	return 1;
     83        1.1  nisimura }
     84        1.1  nisimura 
     85       1.10  nisimura static void
     86       1.27   tsutsui tcbus_attach(device_t parent, device_t self, void *aux)
     87        1.1  nisimura {
     88        1.1  nisimura 	struct tcbus_attach_args *tba;
     89        1.1  nisimura 
     90        1.1  nisimura 	tcbus_found = 1;
     91        1.1  nisimura 
     92        1.1  nisimura 	switch (systype) {
     93        1.1  nisimura #ifdef DEC_3MAX
     94        1.1  nisimura 	case DS_3MAX:
     95        1.1  nisimura 		tba = &kn02_tc_desc[0]; break;
     96        1.1  nisimura #endif
     97        1.1  nisimura #ifdef DEC_3MIN
     98        1.1  nisimura 	case DS_3MIN:
     99        1.1  nisimura 		tba = &kmin_tc_desc[0]; break;
    100        1.1  nisimura #endif
    101        1.1  nisimura #ifdef DEC_MAXINE
    102        1.1  nisimura 	case DS_MAXINE:
    103        1.1  nisimura 		tba = &xine_tc_desc[0]; break;
    104        1.1  nisimura #endif
    105        1.1  nisimura #ifdef DEC_3MAXPLUS
    106        1.1  nisimura 	case DS_3MAXPLUS:
    107        1.1  nisimura 		tba = &kn03_tc_desc[0]; break;
    108        1.1  nisimura #endif
    109        1.1  nisimura 	default:
    110        1.3  nisimura 		panic("tcbus_attach: no TURBOchannel configured for systype = %d", systype);
    111        1.1  nisimura 	}
    112        1.1  nisimura 
    113        1.1  nisimura 	tba->tba_busname = "tc";
    114        1.1  nisimura 	tba->tba_memt = 0;
    115       1.11       cgd 	tba->tba_intr_evcnt = tc_ds_intr_evcnt;
    116        1.1  nisimura 	tba->tba_intr_establish = tc_ds_intr_establish;
    117        1.1  nisimura 	tba->tba_intr_disestablish = tc_ds_intr_disestablish;
    118        1.1  nisimura 	tba->tba_get_dma_tag = tc_ds_get_dma_tag;
    119        1.1  nisimura 
    120       1.27   tsutsui 	/* XXX why not config_found(9)? */
    121        1.1  nisimura 	tcattach(parent, self, tba);
    122       1.11       cgd }
    123       1.11       cgd 
    124       1.11       cgd /*
    125       1.11       cgd  * Dispatch to model specific interrupt line evcnt fetch rontine
    126       1.11       cgd  */
    127       1.12  nisimura static const struct evcnt *
    128       1.27   tsutsui tc_ds_intr_evcnt(device_t dev, void *cookie)
    129       1.11       cgd {
    130       1.11       cgd 
    131       1.11       cgd 	/* XXX for now, no evcnt parent reported */
    132       1.11       cgd 	return NULL;
    133        1.1  nisimura }
    134        1.1  nisimura 
    135        1.1  nisimura /*
    136       1.10  nisimura  * Dispatch to model specific interrupt establishing routine
    137        1.1  nisimura  */
    138        1.5    simonb static void
    139       1.27   tsutsui tc_ds_intr_establish(device_t dev, void *cookie, int level,
    140       1.27   tsutsui     int (*handler)(void *), void *val)
    141        1.1  nisimura {
    142       1.10  nisimura 
    143       1.13   tsutsui 	(*platform.intr_establish)(dev, cookie, level, handler, val);
    144        1.1  nisimura }
    145        1.1  nisimura 
    146        1.5    simonb static void
    147       1.27   tsutsui tc_ds_intr_disestablish(device_t dev, void *arg)
    148        1.1  nisimura {
    149       1.10  nisimura 
    150       1.13   tsutsui 	printf("cannot disestablish TC interrupts\n");
    151       1.10  nisimura }
    152       1.10  nisimura 
    153       1.10  nisimura /*
    154       1.10  nisimura  * Return the DMA tag for use by the specified TURBOchannel slot.
    155       1.10  nisimura  */
    156       1.10  nisimura static bus_dma_tag_t
    157       1.23       dsl tc_ds_get_dma_tag(int slot)
    158       1.10  nisimura {
    159       1.10  nisimura 	/*
    160       1.10  nisimura 	 * All DECstations use the default DMA tag.
    161       1.10  nisimura 	 */
    162       1.10  nisimura 	return (&pmax_default_bus_dma_tag);
    163        1.1  nisimura }
    164        1.1  nisimura 
    165       1.17        ad #include "wsdisplay.h"
    166       1.17        ad 
    167       1.17        ad #if NWSDISPLAY > 0
    168       1.17        ad 
    169       1.17        ad #include "sfb.h"
    170       1.17        ad /* #include "sfbp.h" */
    171       1.17        ad #include "cfb.h"
    172       1.17        ad #include "mfb.h"
    173       1.17        ad #include "tfb.h"
    174       1.17        ad #include "xcfb.h"
    175       1.17        ad #include "px.h"
    176       1.17        ad #include "pxg.h"
    177       1.17        ad 
    178       1.17        ad #include <pmax/pmax/cons.h>
    179       1.28      matt #include <pmax/dec_prom.h>
    180       1.17        ad 
    181       1.22       dsl int	tc_checkslot(tc_addr_t, char *);
    182       1.17        ad 
    183       1.17        ad struct cnboards {
    184       1.17        ad 	const char	*cb_tcname;
    185       1.17        ad 	void	(*cb_cnattach)(tc_addr_t);
    186       1.17        ad } static const cnboards[] = {
    187       1.17        ad #if NXCFB > 0
    188       1.17        ad 	{ "PMAG-DV ", xcfb_cnattach },
    189       1.17        ad #endif
    190       1.17        ad #if NSFB > 0
    191       1.17        ad 	{ "PMAGB-BA", sfb_cnattach },
    192       1.17        ad #endif
    193       1.17        ad #if NSFBP > 0
    194       1.17        ad 	{ "PMAGD   ", sfbp_cnattach },
    195       1.17        ad #endif
    196       1.17        ad #if NCFB > 0
    197       1.17        ad 	{ "PMAG-BA ", cfb_cnattach },
    198       1.17        ad #endif
    199       1.17        ad #if NMFB > 0
    200       1.17        ad 	{ "PMAG-AA ", mfb_cnattach },
    201       1.17        ad #endif
    202       1.17        ad #if NTFB > 0
    203       1.17        ad 	{ "PMAG-JA ", tfb_cnattach },
    204       1.17        ad #endif
    205       1.17        ad #if NPX > 0
    206       1.17        ad 	{ "PMAG-CA ", px_cnattach },
    207       1.17        ad #endif
    208       1.17        ad #if NPXG > 0
    209       1.17        ad 	{ "PMAG-DA ", pxg_cnattach },
    210       1.17        ad 	{ "PMAG-FA ", pxg_cnattach },
    211       1.17        ad 	{ "PMAG-FB ", pxg_cnattach },
    212       1.17        ad 	{ "PMAGB-FA", pxg_cnattach },
    213       1.17        ad 	{ "PMAGB-FB", pxg_cnattach },
    214       1.17        ad #endif
    215       1.17        ad };
    216       1.17        ad 
    217       1.17        ad int
    218       1.23       dsl tcfb_cnattach(int slotno)
    219       1.17        ad {
    220       1.17        ad 	paddr_t tcaddr;
    221       1.17        ad 	char tcname[TC_ROM_LLEN];
    222       1.17        ad 	int i;
    223       1.17        ad 
    224       1.26      matt 	tcaddr = promcall(callv->_slot_address, slotno);
    225       1.17        ad 	if (tc_badaddr(tcaddr) || tc_checkslot(tcaddr, tcname) == 0)
    226       1.17        ad 		panic("TC console designated by PROM does not exist!?");
    227       1.17        ad 
    228       1.26      matt 	for (i = 0; i < __arraycount(cnboards); i++) {
    229       1.17        ad 		if (strncmp(tcname, cnboards[i].cb_tcname, TC_ROM_LLEN) == 0)
    230       1.17        ad 			break;
    231       1.26      matt 	}
    232       1.17        ad 
    233       1.26      matt 	if (i == __arraycount(cnboards))
    234       1.17        ad 		return (0);
    235       1.17        ad 
    236       1.20        ad 	(cnboards[i].cb_cnattach)((tc_addr_t)TC_PHYS_TO_UNCACHED(tcaddr));
    237       1.17        ad 	return (1);
    238       1.17        ad }
    239       1.17        ad 
    240       1.17        ad #endif	/* NWSDISPLAY */
    241