Annotation of sys/arch/mvme68k/dev/memc.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: memc.c,v 1.10 2004/07/30 22:29:45 miod Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 1995 Theo de Raadt
! 5: * 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: *
! 16: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 17: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 18: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 19: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 20: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 21: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 22: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 23: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 24: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 25: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 26: */
! 27:
! 28: /*
! 29: * MEMC/MCECC chips
! 30: * these chips are rather similar in appearance except that the MEMC
! 31: * does parity while the MCECC does ECC.
! 32: */
! 33: #include <sys/param.h>
! 34: #include <sys/conf.h>
! 35: #include <sys/ioctl.h>
! 36: #include <sys/proc.h>
! 37: #include <sys/user.h>
! 38: #include <sys/tty.h>
! 39: #include <sys/uio.h>
! 40: #include <sys/systm.h>
! 41: #include <sys/kernel.h>
! 42: #include <sys/syslog.h>
! 43: #include <sys/fcntl.h>
! 44: #include <sys/device.h>
! 45: #include <machine/cpu.h>
! 46: #include <machine/autoconf.h>
! 47: #include <dev/cons.h>
! 48:
! 49: #include <mvme68k/dev/memcreg.h>
! 50:
! 51: struct memcsoftc {
! 52: struct device sc_dev;
! 53: void * sc_vaddr;
! 54: struct memcreg *sc_memc;
! 55: struct intrhand sc_ih;
! 56: };
! 57:
! 58: void memcattach(struct device *, struct device *, void *);
! 59: int memcmatch(struct device *, void *, void *);
! 60:
! 61: struct cfattach memc_ca = {
! 62: sizeof(struct memcsoftc), memcmatch, memcattach
! 63: };
! 64:
! 65: struct cfdriver memc_cd = {
! 66: NULL, "memc", DV_DULL
! 67: };
! 68:
! 69: int memcintr(struct frame *frame);
! 70:
! 71: int
! 72: memcmatch(parent, vcf, args)
! 73: struct device *parent;
! 74: void *vcf, *args;
! 75: {
! 76: struct confargs *ca = args;
! 77: struct memcreg *memc = (struct memcreg *)ca->ca_vaddr;
! 78:
! 79: if (badvaddr((vaddr_t)memc, 1))
! 80: return (0);
! 81: if (memc->memc_chipid==MEMC_CHIPID || memc->memc_chipid==MCECC_CHIPID)
! 82: return (1);
! 83: return (0);
! 84: }
! 85:
! 86: void
! 87: memcattach(parent, self, args)
! 88: struct device *parent, *self;
! 89: void *args;
! 90: {
! 91: struct confargs *ca = args;
! 92: struct memcsoftc *sc = (struct memcsoftc *)self;
! 93:
! 94: /*
! 95: * since we know ourself to land in intiobase land,
! 96: * we must adjust our address
! 97: */
! 98: sc->sc_memc = (struct memcreg *)ca->ca_vaddr;
! 99:
! 100: printf(": %s rev %d",
! 101: (sc->sc_memc->memc_chipid == MEMC_CHIPID) ? "MEMC040" : "MCECC",
! 102: sc->sc_memc->memc_chiprev);
! 103:
! 104: #if 0
! 105: sc->sc_ih.ih_fn = memcintr;
! 106: sc->sc_ih.ih_ipl = 7;
! 107: sc->sc_ih.ih_wantframe = 1;
! 108: mcintr_establish(xxx, &sc->sc_ih, self->dv_xname);
! 109: #endif
! 110:
! 111: switch (sc->sc_memc->memc_chipid) {
! 112: case MEMC_CHIPID:
! 113: break;
! 114: case MCECC_CHIPID:
! 115: break;
! 116: }
! 117:
! 118: printf("\n");
! 119: }
! 120:
! 121: int
! 122: memcintr(frame)
! 123: struct frame *frame;
! 124: {
! 125: return (0);
! 126: }
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