Annotation of sys/arch/sparc64/dev/fhc_central.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: fhc_central.c,v 1.5 2004/09/27 18:32:35 jason Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 2004 Jason L. Wright (jason@thought.net).
! 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
! 18: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
! 19: * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
! 20: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
! 21: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
! 22: * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 23: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
! 24: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
! 25: * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 26: * POSSIBILITY OF SUCH DAMAGE.
! 27: */
! 28:
! 29: #include <sys/types.h>
! 30: #include <sys/param.h>
! 31: #include <sys/systm.h>
! 32: #include <sys/kernel.h>
! 33: #include <sys/device.h>
! 34: #include <sys/conf.h>
! 35: #include <sys/timeout.h>
! 36:
! 37: #include <machine/bus.h>
! 38: #include <machine/autoconf.h>
! 39: #include <machine/openfirm.h>
! 40:
! 41: #include <sparc64/dev/centralvar.h>
! 42: #include <sparc64/dev/fhcreg.h>
! 43: #include <sparc64/dev/fhcvar.h>
! 44:
! 45: int fhc_central_match(struct device *, void *, void *);
! 46: void fhc_central_attach(struct device *, struct device *, void *);
! 47:
! 48: struct cfattach fhc_central_ca = {
! 49: sizeof(struct fhc_softc), fhc_central_match, fhc_central_attach
! 50: };
! 51:
! 52: int
! 53: fhc_central_match(parent, match, aux)
! 54: struct device *parent;
! 55: void *match, *aux;
! 56: {
! 57: struct central_attach_args *ca = aux;
! 58:
! 59: if (strcmp(ca->ca_name, "fhc") == 0)
! 60: return (1);
! 61: return (0);
! 62: }
! 63:
! 64: void
! 65: fhc_central_attach(parent, self, aux)
! 66: struct device *parent, *self;
! 67: void *aux;
! 68: {
! 69: struct fhc_softc *sc = (struct fhc_softc *)self;
! 70: struct central_attach_args *ca = aux;
! 71: u_int32_t board;
! 72:
! 73: sc->sc_node = ca->ca_node;
! 74: sc->sc_bt = ca->ca_bustag;
! 75: sc->sc_is_central = 1;
! 76:
! 77: if (central_bus_map(sc->sc_bt, ca->ca_reg[0].cbr_slot,
! 78: ca->ca_reg[0].cbr_offset, ca->ca_reg[0].cbr_size, 0,
! 79: &sc->sc_preg)) {
! 80: printf(": failed to map preg\n");
! 81: return;
! 82: }
! 83:
! 84: if (central_bus_map(sc->sc_bt, ca->ca_reg[1].cbr_slot,
! 85: ca->ca_reg[1].cbr_offset, ca->ca_reg[1].cbr_size, 0,
! 86: &sc->sc_ireg)) {
! 87: printf(": failed to map ireg\n");
! 88: return;
! 89: }
! 90:
! 91: if (central_bus_map(sc->sc_bt, ca->ca_reg[2].cbr_slot,
! 92: ca->ca_reg[2].cbr_offset, ca->ca_reg[2].cbr_size,
! 93: BUS_SPACE_MAP_LINEAR, &sc->sc_freg)) {
! 94: printf(": failed to map freg\n");
! 95: return;
! 96: }
! 97:
! 98: if (central_bus_map(sc->sc_bt, ca->ca_reg[3].cbr_slot,
! 99: ca->ca_reg[3].cbr_offset, ca->ca_reg[3].cbr_size,
! 100: BUS_SPACE_MAP_LINEAR, &sc->sc_sreg)) {
! 101: printf(": failed to map sreg\n");
! 102: return;
! 103: }
! 104:
! 105: if (central_bus_map(sc->sc_bt, ca->ca_reg[4].cbr_slot,
! 106: ca->ca_reg[4].cbr_offset, ca->ca_reg[4].cbr_size,
! 107: BUS_SPACE_MAP_LINEAR, &sc->sc_ureg)) {
! 108: printf(": failed to map ureg\n");
! 109: return;
! 110: }
! 111:
! 112: if (central_bus_map(sc->sc_bt, ca->ca_reg[5].cbr_slot,
! 113: ca->ca_reg[5].cbr_offset, ca->ca_reg[5].cbr_size,
! 114: BUS_SPACE_MAP_LINEAR, &sc->sc_treg)) {
! 115: printf(": failed to map treg\n");
! 116: return;
! 117: }
! 118:
! 119: board = bus_space_read_4(sc->sc_bt, sc->sc_preg, FHC_P_BSR);
! 120: sc->sc_board = ((board >> 16) & 0x1) | ((board >> 12) & 0xe);
! 121:
! 122: fhc_attach(sc);
! 123: return;
! 124: }
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