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Annotation of sys/arch/sparc64/dev/fhc_central.c, Revision 1.1.1.1

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: }