The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/dev/mvme/clmpcc_pcctwo.c

Version: -  FREEBSD  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    1 /*      $NetBSD: clmpcc_pcctwo.c,v 1.8 2003/11/09 14:26:15 he Exp $     */
    2 
    3 /*-
    4  * Copyright (c) 1999, 2002 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Steve C. Woodford.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. All advertising materials mentioning features or use of this software
   19  *    must display the following acknowledgement:
   20  *        This product includes software developed by the NetBSD
   21  *        Foundation, Inc. and its contributors.
   22  * 4. Neither the name of The NetBSD Foundation nor the names of its
   23  *    contributors may be used to endorse or promote products derived
   24  *    from this software without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   36  * POSSIBILITY OF SUCH DAMAGE.
   37  */
   38 
   39 /*
   40  * Cirrus Logic CD2401 4-channel serial chip. PCCchip2 Front-end.
   41  */
   42 
   43 #include <sys/cdefs.h>
   44 __KERNEL_RCSID(0, "$NetBSD: clmpcc_pcctwo.c,v 1.8 2003/11/09 14:26:15 he Exp $");
   45 
   46 #include <sys/param.h>
   47 #include <sys/systm.h>
   48 #include <sys/proc.h>
   49 #include <sys/device.h>
   50 #include <sys/conf.h>
   51 #include <sys/file.h>
   52 #include <sys/ioctl.h>
   53 #include <sys/tty.h>
   54 #include <sys/time.h>
   55 #include <sys/kernel.h>
   56 #include <sys/syslog.h>
   57 
   58 #include <dev/cons.h>
   59 
   60 #include <machine/cpu.h>
   61 #include <machine/bus.h>
   62 #include <machine/intr.h>
   63 
   64 #include <dev/ic/clmpccvar.h>
   65 
   66 #include <dev/mvme/pcctwovar.h>
   67 #include <dev/mvme/pcctworeg.h>
   68 
   69 /* XXXXSCW: Fixme */
   70 #ifdef MVME68K
   71 #include <mvme68k/dev/mainbus.h>
   72 #else
   73 #error Need consiack hook
   74 #endif
   75 
   76 
   77 /* Definition of the driver for autoconfig. */
   78 int clmpcc_pcctwo_match __P((struct device *, struct cfdata *, void *));
   79 void clmpcc_pcctwo_attach __P((struct device *, struct device *, void *));
   80 void clmpcc_pcctwo_iackhook __P((struct clmpcc_softc *, int));
   81 void clmpcc_pcctwo_consiackhook __P((struct clmpcc_softc *, int));
   82 
   83 CFATTACH_DECL(clmpcc_pcctwo, sizeof(struct clmpcc_softc),
   84     clmpcc_pcctwo_match, clmpcc_pcctwo_attach, NULL, NULL);
   85 
   86 extern struct cfdriver clmpcc_cd;
   87 
   88 extern const struct cdevsw clmpcc_cdevsw;
   89 
   90 /*
   91  * For clmpcccn*()
   92  */
   93 cons_decl(clmpcc);
   94 
   95 
   96 /*
   97  * Is the CD2401 chip present?
   98  */
   99 int
  100 clmpcc_pcctwo_match(parent, cf, aux)
  101         struct device *parent;
  102         struct cfdata *cf;
  103         void *aux;
  104 {
  105         struct pcctwo_attach_args *pa;
  106 
  107         pa = aux;
  108 
  109         if (strcmp(pa->pa_name, clmpcc_cd.cd_name))
  110                 return (0);
  111 
  112         pa->pa_ipl = cf->pcctwocf_ipl;
  113 
  114         return (1);
  115 }
  116 
  117 /*
  118  * Attach a found CD2401.
  119  */
  120 void
  121 clmpcc_pcctwo_attach(parent, self, aux)
  122         struct device *parent;
  123         struct device *self;
  124         void *aux;
  125 {
  126         struct clmpcc_softc *sc;
  127         struct pcctwo_attach_args *pa;
  128         int level = pa->pa_ipl;
  129 
  130         sc = (struct clmpcc_softc *)self;
  131         pa = aux;
  132         level = pa->pa_ipl;
  133         sc->sc_iot = pa->pa_bust;
  134         bus_space_map(pa->pa_bust, pa->pa_offset, 0x100, 0, &sc->sc_ioh);
  135 
  136         sc->sc_clk = 20000000;
  137         sc->sc_byteswap = CLMPCC_BYTESWAP_LOW;
  138         sc->sc_swaprtsdtr = 1;
  139         sc->sc_iackhook = clmpcc_pcctwo_iackhook;
  140         sc->sc_vector_base = PCCTWO_SCC_VECBASE;
  141         sc->sc_rpilr = 0x03;
  142         sc->sc_tpilr = 0x02;
  143         sc->sc_mpilr = 0x01;
  144         sc->sc_evcnt = pcctwointr_evcnt(level);
  145 
  146         /* Do common parts of CD2401 configuration. */
  147         clmpcc_attach(sc);
  148 
  149         /* Hook the interrupts */
  150         pcctwointr_establish(PCCTWOV_SCC_RX, clmpcc_rxintr, level, sc, NULL);
  151         pcctwointr_establish(PCCTWOV_SCC_RX_EXCEP, clmpcc_rxintr, level, sc,
  152             NULL);
  153         pcctwointr_establish(PCCTWOV_SCC_TX, clmpcc_txintr, level, sc, NULL);
  154         pcctwointr_establish(PCCTWOV_SCC_MODEM, clmpcc_mdintr, level, sc, NULL);
  155 }
  156 
  157 void
  158 clmpcc_pcctwo_iackhook(sc, which)
  159         struct clmpcc_softc *sc;
  160         int which;
  161 {
  162         bus_size_t offset;
  163         volatile u_char foo;
  164 
  165         switch (which) {
  166         case CLMPCC_IACK_MODEM:
  167                 offset = PCC2REG_SCC_MODEM_PIACK;
  168                 break;
  169 
  170         case CLMPCC_IACK_RX:
  171                 offset = PCC2REG_SCC_RX_PIACK;
  172                 break;
  173 
  174         case CLMPCC_IACK_TX:
  175                 offset = PCC2REG_SCC_TX_PIACK;
  176                 break;
  177         default:
  178 #ifdef DEBUG
  179                 printf("%s: Invalid IACK number '%d'\n",
  180                     sc->sc_dev.dv_xname, which);
  181 #endif
  182                 panic("clmpcc_pcctwo_iackhook %d", which);
  183         }
  184 
  185         foo = pcc2_reg_read(sys_pcctwo, offset);
  186 }
  187 
  188 /*
  189  * This routine is only used prior to clmpcc_attach() being called
  190  */
  191 void
  192 clmpcc_pcctwo_consiackhook(sc, which)
  193         struct clmpcc_softc *sc;
  194         int which;
  195 {
  196         bus_space_handle_t bush;
  197         bus_size_t offset;
  198         volatile u_char foo;
  199 
  200         switch (which) {
  201         case CLMPCC_IACK_MODEM:
  202                 offset = PCC2REG_SCC_MODEM_PIACK;
  203                 break;
  204 
  205         case CLMPCC_IACK_RX:
  206                 offset = PCC2REG_SCC_RX_PIACK;
  207                 break;
  208 
  209         case CLMPCC_IACK_TX:
  210                 offset = PCC2REG_SCC_TX_PIACK;
  211                 break;
  212         default:
  213 #ifdef DEBUG
  214                 printf("%s: Invalid IACK number '%d'\n",
  215                     sc->sc_dev.dv_xname, which);
  216                 panic("clmpcc_pcctwo_consiackhook");
  217 #endif
  218                 panic("clmpcc_pcctwo_iackhook %d", which);
  219         }
  220 
  221 #ifdef MVME68K
  222         /*
  223          * We need to fake the tag and handle since 'sys_pcctwo' will
  224          * be NULL during early system startup...
  225          */
  226         bush = (bus_space_handle_t) & (intiobase[MAINBUS_PCCTWO_OFFSET +
  227                 PCCTWO_REG_OFF]);
  228 
  229         foo = bus_space_read_1(&_mainbus_space_tag, bush, offset);
  230 #else
  231 #error Need consiack hook
  232 #endif
  233 }
  234 
  235 
  236 /****************************************************************
  237  * Console support functions (MVME PCCchip2 specific!)
  238  ****************************************************************/
  239 
  240 /*
  241  * Check for CD2401 console.
  242  */
  243 void
  244 clmpcccnprobe(cp)
  245         struct consdev *cp;
  246 {
  247         int maj;
  248 
  249 #if defined(MVME68K)
  250         if (machineid != MVME_167 && machineid != MVME_177)
  251 #elif defined(MVME88K)
  252         if (machineid != MVME_187)
  253 #endif
  254         {
  255                 cp->cn_pri = CN_DEAD;
  256                 return;
  257         }
  258 
  259         /*
  260          * Locate the major number
  261          */
  262         maj = cdevsw_lookup_major(&clmpcc_cdevsw);
  263 
  264         /* Initialize required fields. */
  265         cp->cn_dev = makedev(maj, 0);
  266         cp->cn_pri = CN_NORMAL;
  267 }
  268 
  269 void
  270 clmpcccninit(cp)
  271         struct consdev *cp;
  272 {
  273         static struct clmpcc_softc cons_sc;
  274 
  275         cons_sc.sc_iot = &_mainbus_space_tag;
  276         bus_space_map(&_mainbus_space_tag,
  277             intiobase_phys + MAINBUS_PCCTWO_OFFSET + PCCTWO_SCC_OFF,
  278             PCC2REG_SIZE, 0, &cons_sc.sc_ioh);
  279         cons_sc.sc_clk = 20000000;
  280         cons_sc.sc_byteswap = CLMPCC_BYTESWAP_LOW;
  281         cons_sc.sc_swaprtsdtr = 1;
  282         cons_sc.sc_iackhook = clmpcc_pcctwo_consiackhook;
  283         cons_sc.sc_vector_base = PCCTWO_SCC_VECBASE;
  284         cons_sc.sc_rpilr = 0x03;
  285         cons_sc.sc_tpilr = 0x02;
  286         cons_sc.sc_mpilr = 0x01;
  287 
  288         clmpcc_cnattach(&cons_sc, 0, 9600);
  289 }

Cache object: 4e1bf469f26a39cdb2b6d7178ecff099


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.