bootbus.c revision 1.3.2.3
1 1.3.2.3 nathanw /* $NetBSD: bootbus.c,v 1.3.2.3 2002/10/18 02:39:51 nathanw Exp $ */ 2 1.3.2.2 nathanw 3 1.3.2.2 nathanw /*- 4 1.3.2.2 nathanw * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 1.3.2.2 nathanw * All rights reserved. 6 1.3.2.2 nathanw * 7 1.3.2.2 nathanw * This code is derived from software contributed to The NetBSD Foundation 8 1.3.2.2 nathanw * by Jason R. Thorpe. 9 1.3.2.2 nathanw * 10 1.3.2.2 nathanw * Redistribution and use in source and binary forms, with or without 11 1.3.2.2 nathanw * modification, are permitted provided that the following conditions 12 1.3.2.2 nathanw * are met: 13 1.3.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 14 1.3.2.2 nathanw * notice, this list of conditions and the following disclaimer. 15 1.3.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 16 1.3.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 17 1.3.2.2 nathanw * documentation and/or other materials provided with the distribution. 18 1.3.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 19 1.3.2.2 nathanw * must display the following acknowledgement: 20 1.3.2.2 nathanw * This product includes software developed by the NetBSD 21 1.3.2.2 nathanw * Foundation, Inc. and its contributors. 22 1.3.2.2 nathanw * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.3.2.2 nathanw * contributors may be used to endorse or promote products derived 24 1.3.2.2 nathanw * from this software without specific prior written permission. 25 1.3.2.2 nathanw * 26 1.3.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.3.2.2 nathanw * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.3.2.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.3.2.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.3.2.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.3.2.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.3.2.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.3.2.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.3.2.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.3.2.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.3.2.2 nathanw * POSSIBILITY OF SUCH DAMAGE. 37 1.3.2.2 nathanw */ 38 1.3.2.2 nathanw 39 1.3.2.2 nathanw /* 40 1.3.2.2 nathanw * Autoconfiguration support for Sun4d "bootbus". 41 1.3.2.2 nathanw */ 42 1.3.2.2 nathanw 43 1.3.2.2 nathanw #include <sys/param.h> 44 1.3.2.2 nathanw #include <sys/malloc.h> 45 1.3.2.2 nathanw #include <sys/systm.h> 46 1.3.2.2 nathanw #include <sys/device.h> 47 1.3.2.2 nathanw 48 1.3.2.2 nathanw #include <machine/autoconf.h> 49 1.3.2.2 nathanw #include <machine/bus.h> 50 1.3.2.2 nathanw 51 1.3.2.2 nathanw #include <sparc/sparc/cpuunitvar.h> 52 1.3.2.2 nathanw #include <sparc/dev/bootbusvar.h> 53 1.3.2.2 nathanw 54 1.3.2.2 nathanw #include "locators.h" 55 1.3.2.2 nathanw 56 1.3.2.2 nathanw struct bootbus_softc { 57 1.3.2.2 nathanw struct device sc_dev; 58 1.3.2.2 nathanw int sc_node; /* our OBP node */ 59 1.3.2.2 nathanw 60 1.3.2.2 nathanw bus_space_tag_t sc_st; /* ours */ 61 1.3.2.2 nathanw bus_space_tag_t sc_bustag; /* passed on to children */ 62 1.3.2.2 nathanw }; 63 1.3.2.2 nathanw 64 1.3.2.2 nathanw static int bootbus_match(struct device *, struct cfdata *, void *); 65 1.3.2.2 nathanw static void bootbus_attach(struct device *, struct device *, void *); 66 1.3.2.2 nathanw 67 1.3.2.3 nathanw CFATTACH_DECL(bootbus, sizeof(struct bootbus_softc), 68 1.3.2.3 nathanw bootbus_match, bootbus_attach, NULL, NULL); 69 1.3.2.2 nathanw 70 1.3.2.2 nathanw static int bootbus_submatch(struct device *, struct cfdata *, void *); 71 1.3.2.2 nathanw static int bootbus_print(void *, const char *); 72 1.3.2.2 nathanw 73 1.3.2.2 nathanw static int bootbus_setup_attach_args(struct bootbus_softc *, bus_space_tag_t, 74 1.3.2.2 nathanw int, struct bootbus_attach_args *); 75 1.3.2.2 nathanw static void bootbus_destroy_attach_args(struct bootbus_attach_args *); 76 1.3.2.2 nathanw 77 1.3.2.2 nathanw static int 78 1.3.2.2 nathanw bootbus_match(struct device *parent, struct cfdata *cf, void *aux) 79 1.3.2.2 nathanw { 80 1.3.2.2 nathanw struct cpuunit_attach_args *cpua = aux; 81 1.3.2.2 nathanw 82 1.3.2.3 nathanw if (strcmp(cpua->cpua_name, cf->cf_name) == 0) 83 1.3.2.2 nathanw return (1); 84 1.3.2.2 nathanw 85 1.3.2.2 nathanw return (0); 86 1.3.2.2 nathanw } 87 1.3.2.2 nathanw 88 1.3.2.2 nathanw static void 89 1.3.2.2 nathanw bootbus_attach(struct device *parent, struct device *self, void *aux) 90 1.3.2.2 nathanw { 91 1.3.2.2 nathanw struct bootbus_softc *sc = (void *) self; 92 1.3.2.2 nathanw struct cpuunit_attach_args *cpua = aux; 93 1.3.2.2 nathanw int node, error; 94 1.3.2.2 nathanw 95 1.3.2.2 nathanw sc->sc_node = cpua->cpua_node; 96 1.3.2.2 nathanw sc->sc_st = cpua->cpua_bustag; 97 1.3.2.2 nathanw 98 1.3.2.2 nathanw printf("\n"); 99 1.3.2.2 nathanw 100 1.3.2.2 nathanw /* 101 1.3.2.2 nathanw * Initialize the bus space tag we pass on to our children. 102 1.3.2.2 nathanw */ 103 1.3.2.2 nathanw sc->sc_bustag = malloc(sizeof(*sc->sc_bustag), M_DEVBUF, 104 1.3.2.2 nathanw M_WAITOK|M_ZERO); 105 1.3.2.2 nathanw sc->sc_bustag->cookie = sc; 106 1.3.2.2 nathanw sc->sc_bustag->parent = sc->sc_st; 107 1.3.2.2 nathanw sc->sc_bustag->sparc_bus_map = sc->sc_st->sparc_bus_map; 108 1.3.2.2 nathanw sc->sc_bustag->sparc_bus_mmap = sc->sc_st->sparc_bus_mmap; 109 1.3.2.2 nathanw 110 1.3.2.2 nathanw /* 111 1.3.2.2 nathanw * Collect address translations from the OBP. 112 1.3.2.2 nathanw */ 113 1.3.2.2 nathanw error = PROM_getprop(sc->sc_node, "ranges", 114 1.3.2.2 nathanw sizeof(struct openprom_range), &sc->sc_bustag->nranges, 115 1.3.2.2 nathanw (void **) &sc->sc_bustag->ranges); 116 1.3.2.2 nathanw if (error) { 117 1.3.2.2 nathanw printf("%s: error %d getting \"ranges\" property\n", 118 1.3.2.2 nathanw sc->sc_dev.dv_xname, error); 119 1.3.2.2 nathanw panic("bootbus_attach"); 120 1.3.2.2 nathanw } 121 1.3.2.2 nathanw 122 1.3.2.2 nathanw /* Attach the CPU (and possibly bootbus) child nodes. */ 123 1.3.2.2 nathanw for (node = firstchild(sc->sc_node); node != 0; 124 1.3.2.2 nathanw node = nextsibling(node)) { 125 1.3.2.2 nathanw struct bootbus_attach_args baa; 126 1.3.2.2 nathanw 127 1.3.2.2 nathanw if (bootbus_setup_attach_args(sc, sc->sc_bustag, node, &baa)) 128 1.3.2.2 nathanw panic("bootbus_attach: failed to set up attach args"); 129 1.3.2.2 nathanw 130 1.3.2.2 nathanw (void) config_found_sm(&sc->sc_dev, &baa, bootbus_print, 131 1.3.2.2 nathanw bootbus_submatch); 132 1.3.2.2 nathanw 133 1.3.2.2 nathanw bootbus_destroy_attach_args(&baa); 134 1.3.2.2 nathanw } 135 1.3.2.2 nathanw } 136 1.3.2.2 nathanw 137 1.3.2.2 nathanw static int 138 1.3.2.2 nathanw bootbus_submatch(struct device *parent, struct cfdata *cf, void *aux) 139 1.3.2.2 nathanw { 140 1.3.2.2 nathanw struct bootbus_attach_args *baa = aux; 141 1.3.2.2 nathanw 142 1.3.2.2 nathanw if (cf->cf_loc[BOOTBUSCF_SLOT] != BOOTBUSCF_SLOT_DEFAULT && 143 1.3.2.2 nathanw cf->cf_loc[BOOTBUSCF_SLOT] != baa->ba_slot) 144 1.3.2.2 nathanw return (0); 145 1.3.2.2 nathanw 146 1.3.2.2 nathanw if (cf->cf_loc[BOOTBUSCF_OFFSET] != BOOTBUSCF_OFFSET_DEFAULT && 147 1.3.2.2 nathanw cf->cf_loc[BOOTBUSCF_OFFSET] != baa->ba_offset) 148 1.3.2.2 nathanw return (0); 149 1.3.2.2 nathanw 150 1.3.2.3 nathanw return (config_match(parent, cf, aux)); 151 1.3.2.2 nathanw } 152 1.3.2.2 nathanw 153 1.3.2.2 nathanw static int 154 1.3.2.2 nathanw bootbus_print(void *aux, const char *pnp) 155 1.3.2.2 nathanw { 156 1.3.2.2 nathanw struct bootbus_attach_args *baa = aux; 157 1.3.2.2 nathanw int i; 158 1.3.2.2 nathanw 159 1.3.2.2 nathanw if (pnp) 160 1.3.2.2 nathanw printf("%s at %s", baa->ba_name, pnp); 161 1.3.2.2 nathanw printf(" slot %d offset 0x%x", baa->ba_slot, baa->ba_offset); 162 1.3.2.2 nathanw for (i = 0; i < baa->ba_nintr; i++) 163 1.3.2.2 nathanw printf(" ipl %d", baa->ba_intr[i].oi_pri); 164 1.3.2.2 nathanw 165 1.3.2.2 nathanw return (UNCONF); 166 1.3.2.2 nathanw } 167 1.3.2.2 nathanw 168 1.3.2.2 nathanw static int 169 1.3.2.2 nathanw bootbus_setup_attach_args(struct bootbus_softc *sc, bus_space_tag_t bustag, 170 1.3.2.2 nathanw int node, struct bootbus_attach_args *baa) 171 1.3.2.2 nathanw { 172 1.3.2.2 nathanw int n, error; 173 1.3.2.2 nathanw 174 1.3.2.2 nathanw memset(baa, 0, sizeof(*baa)); 175 1.3.2.2 nathanw 176 1.3.2.2 nathanw error = PROM_getprop(node, "name", 1, &n, (void **) &baa->ba_name); 177 1.3.2.2 nathanw if (error) 178 1.3.2.2 nathanw return (error); 179 1.3.2.2 nathanw baa->ba_name[n] = '\0'; 180 1.3.2.2 nathanw 181 1.3.2.2 nathanw baa->ba_bustag = bustag; 182 1.3.2.2 nathanw baa->ba_node = node; 183 1.3.2.2 nathanw 184 1.3.2.2 nathanw error = PROM_getprop(node, "reg", sizeof(struct openprom_addr), 185 1.3.2.2 nathanw &baa->ba_nreg, (void **) &baa->ba_reg); 186 1.3.2.2 nathanw if (error) { 187 1.3.2.2 nathanw bootbus_destroy_attach_args(baa); 188 1.3.2.2 nathanw return (error); 189 1.3.2.2 nathanw } 190 1.3.2.2 nathanw 191 1.3.2.2 nathanw error = PROM_getprop(node, "intr", sizeof(struct openprom_intr), 192 1.3.2.2 nathanw &baa->ba_nintr, (void **) &baa->ba_intr); 193 1.3.2.2 nathanw if (error != 0 && error != ENOENT) { 194 1.3.2.2 nathanw bootbus_destroy_attach_args(baa); 195 1.3.2.2 nathanw return (error); 196 1.3.2.2 nathanw } 197 1.3.2.2 nathanw 198 1.3.2.2 nathanw error = PROM_getprop(node, "address", sizeof(uint32_t), 199 1.3.2.2 nathanw &baa->ba_npromvaddrs, (void **) &baa->ba_promvaddrs); 200 1.3.2.2 nathanw if (error != 0 && error != ENOENT) { 201 1.3.2.2 nathanw bootbus_destroy_attach_args(baa); 202 1.3.2.2 nathanw return (error); 203 1.3.2.2 nathanw } 204 1.3.2.2 nathanw 205 1.3.2.2 nathanw return (0); 206 1.3.2.2 nathanw } 207 1.3.2.2 nathanw 208 1.3.2.2 nathanw static void 209 1.3.2.2 nathanw bootbus_destroy_attach_args(struct bootbus_attach_args *baa) 210 1.3.2.2 nathanw { 211 1.3.2.2 nathanw 212 1.3.2.2 nathanw if (baa->ba_name != NULL) 213 1.3.2.2 nathanw free(baa->ba_name, M_DEVBUF); 214 1.3.2.2 nathanw 215 1.3.2.2 nathanw if (baa->ba_reg != NULL) 216 1.3.2.2 nathanw free(baa->ba_reg, M_DEVBUF); 217 1.3.2.2 nathanw 218 1.3.2.2 nathanw if (baa->ba_intr != NULL) 219 1.3.2.2 nathanw free(baa->ba_intr, M_DEVBUF); 220 1.3.2.2 nathanw 221 1.3.2.2 nathanw if (baa->ba_promvaddrs != NULL) 222 1.3.2.2 nathanw free(baa->ba_promvaddrs, M_DEVBUF); 223 1.3.2.2 nathanw } 224
Indexes created Thu Oct 02 14:10:14 GMT 2025