1 /* $OpenBSD: fhc_central.c,v 1.6 2017/09/08 05:36:52 deraadt 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/param.h> 30 #include <sys/systm.h> 31 #include <sys/kernel.h> 32 #include <sys/device.h> 33 #include <sys/conf.h> 34 #include <sys/timeout.h> 35 36 #include <machine/bus.h> 37 #include <machine/autoconf.h> 38 #include <machine/openfirm.h> 39 40 #include <sparc64/dev/centralvar.h> 41 #include <sparc64/dev/fhcreg.h> 42 #include <sparc64/dev/fhcvar.h> 43 44 int fhc_central_match(struct device *, void *, void *); 45 void fhc_central_attach(struct device *, struct device *, void *); 46 47 struct cfattach fhc_central_ca = { 48 sizeof(struct fhc_softc), fhc_central_match, fhc_central_attach 49 }; 50 51 int 52 fhc_central_match(parent, match, aux) 53 struct device *parent; 54 void *match, *aux; 55 { 56 struct central_attach_args *ca = aux; 57 58 if (strcmp(ca->ca_name, "fhc") == 0) 59 return (1); 60 return (0); 61 } 62 63 void 64 fhc_central_attach(parent, self, aux) 65 struct device *parent, *self; 66 void *aux; 67 { 68 struct fhc_softc *sc = (struct fhc_softc *)self; 69 struct central_attach_args *ca = aux; 70 u_int32_t board; 71 72 sc->sc_node = ca->ca_node; 73 sc->sc_bt = ca->ca_bustag; 74 sc->sc_is_central = 1; 75 76 if (central_bus_map(sc->sc_bt, ca->ca_reg[0].cbr_slot, 77 ca->ca_reg[0].cbr_offset, ca->ca_reg[0].cbr_size, 0, 78 &sc->sc_preg)) { 79 printf(": failed to map preg\n"); 80 return; 81 } 82 83 if (central_bus_map(sc->sc_bt, ca->ca_reg[1].cbr_slot, 84 ca->ca_reg[1].cbr_offset, ca->ca_reg[1].cbr_size, 0, 85 &sc->sc_ireg)) { 86 printf(": failed to map ireg\n"); 87 return; 88 } 89 90 if (central_bus_map(sc->sc_bt, ca->ca_reg[2].cbr_slot, 91 ca->ca_reg[2].cbr_offset, ca->ca_reg[2].cbr_size, 92 BUS_SPACE_MAP_LINEAR, &sc->sc_freg)) { 93 printf(": failed to map freg\n"); 94 return; 95 } 96 97 if (central_bus_map(sc->sc_bt, ca->ca_reg[3].cbr_slot, 98 ca->ca_reg[3].cbr_offset, ca->ca_reg[3].cbr_size, 99 BUS_SPACE_MAP_LINEAR, &sc->sc_sreg)) { 100 printf(": failed to map sreg\n"); 101 return; 102 } 103 104 if (central_bus_map(sc->sc_bt, ca->ca_reg[4].cbr_slot, 105 ca->ca_reg[4].cbr_offset, ca->ca_reg[4].cbr_size, 106 BUS_SPACE_MAP_LINEAR, &sc->sc_ureg)) { 107 printf(": failed to map ureg\n"); 108 return; 109 } 110 111 if (central_bus_map(sc->sc_bt, ca->ca_reg[5].cbr_slot, 112 ca->ca_reg[5].cbr_offset, ca->ca_reg[5].cbr_size, 113 BUS_SPACE_MAP_LINEAR, &sc->sc_treg)) { 114 printf(": failed to map treg\n"); 115 return; 116 } 117 118 board = bus_space_read_4(sc->sc_bt, sc->sc_preg, FHC_P_BSR); 119 sc->sc_board = ((board >> 16) & 0x1) | ((board >> 12) & 0xe); 120 121 fhc_attach(sc); 122 return; 123 } 124