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bcu_vrip.c revision 1.1 
      1 /*	$NetBSD: bcu_vrip.c,v 1.1 1999/09/16 12:23:31 takemura Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1999 SATO Kazumi. All rights reserved.
      5  * Copyright (c) 1999 PocketBSD Project. All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the PocketBSD project
     18  *	and its contributors.
     19  * 4. Neither the name of the project nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  */
     36 
     37 #include <sys/param.h>
     38 #include <sys/systm.h>
     39 #include <sys/device.h>
     40 #include <sys/reboot.h>
     41 
     42 #include <machine/bus.h>
     43 
     44 #include <mips/cpuregs.h>
     45 
     46 #include <hpcmips/vr/vr.h>
     47 #include <hpcmips/vr/vripvar.h>
     48 #include <hpcmips/vr/vripreg.h>
     49 #include <hpcmips/vr/bcureg.h>
     50 #include <hpcmips/vr/bcuvar.h>
     51 
     52 struct vrbcu_vrip_softc {
     53   struct vrbcu_softc sc_vrbcu;
     54 };
     55 
     56 /* Definition of the mainbus driver. */
     57 static int	vrbcu_vrip_match __P((struct device *,
     58 				      struct cfdata *, void *));
     59 static void	vrbcu_vrip_attach __P((struct device *,
     60 
     61 				       struct device *, void*));
     62 char	*vrbcu_vrip_getcpuname __P((void));
     63 int	vrbcu_vrip_getcpumajor __P((void));
     64 int	vrbcu_vrip_getcpuminor __P((void));
     65 
     66 struct cfattach vrbcu_ca = {
     67 	sizeof(struct vrbcu_vrip_softc), vrbcu_vrip_match, vrbcu_vrip_attach
     68 };
     69 
     70 static int
     71 vrbcu_vrip_match(parent, cf, aux)
     72      struct device *parent;
     73      struct cfdata *cf;
     74      void *aux;
     75 {
     76 	return 1;
     77 }
     78 
     79 static void
     80 vrbcu_vrip_attach(parent, self, aux)
     81      struct device *parent;
     82      struct device *self;
     83      void *aux;
     84 {
     85 	struct vrip_attach_args *va = aux;
     86 	struct vrbcu_vrip_softc *sc = (struct vrbcu_vrip_softc *)self;
     87 
     88 	sc->sc_vrbcu.sc_iot = va->va_iot;
     89 	bus_space_map(sc->sc_vrbcu.sc_iot, va->va_addr, va->va_size,
     90 		0, /* no flags */
     91 		&sc->sc_vrbcu.sc_ioh);
     92 
     93 	printf("\n");
     94 }
     95 
     96 static char *cpuname[] = {
     97 	"VR4101",
     98 	"VR4102",
     99 	"VR4111",
    100 	"VR4121",
    101 	"UNKNOWN",
    102 	"UNKNOWN",
    103 	"UNKNOWN",
    104 	"UNKNOWN" };
    105 
    106 char *
    107 vrbcu_vrip_getcpuname(void)
    108 {
    109 	volatile u_int16_t *revreg;
    110 	int cpuid;
    111 
    112 	revreg = (u_int16_t *)MIPS_PHYS_TO_KSEG1((VRIP_BCU_ADDR+BCUREVID_REG_W));
    113 
    114 	cpuid = *revreg;
    115 	cpuid = (cpuid&BCUREVID_RIDMASK)>>BCUREVID_RIDSHFT;
    116 	return cpuname[cpuid];
    117 }
    118 
    119 int
    120 vrbcu_vrip_getcpumajor(void)
    121 {
    122 	volatile u_int16_t *revreg;
    123 	int major;
    124 
    125 	revreg = (u_int16_t *)MIPS_PHYS_TO_KSEG1((VRIP_BCU_ADDR+BCUREVID_REG_W));
    126 
    127 	major = *revreg;
    128 	major = (major&BCUREVID_MJREVMASK)>>BCUREVID_MJREVSHFT;
    129 	return major;
    130 }
    131 
    132 int
    133 vrbcu_vrip_getcpuminor(void)
    134 {
    135 	volatile u_int16_t *revreg;
    136 	int minor;
    137 
    138 	revreg = (u_int16_t *)MIPS_PHYS_TO_KSEG1((VRIP_BCU_ADDR+BCUREVID_REG_W));
    139 
    140 	minor = *revreg;
    141 	minor = (minor&BCUREVID_MNREVMASK)>>BCUREVID_MNREVSHFT;
    142 	return minor;
    143 }
    144